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59results about How to "Improve pollution interception effect" patented technology
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Vegetation concrete and preparation method thereof
InactiveCN103283573APromote growthPromote absorptionCultivating equipmentsSoilless cultivationVegetationArbuscular mycorrhizal fungi
The invention relates to vegetation concrete, and belongs to the field of ecological restoration engineering. The vegetation concrete comprises base concrete located at the bottom and surface concrete located at the top, the base concrete is sprayed by vegetation concrete matrix materials, the surface concrete is sprayed by the vegetation concrete matrix material mixed with grass seeds, and the vegetation concrete matrix materials comprise, by mass, 75-85% of raw planting soil, 6-12% of cement, 2-5% of organic matters, 2-5% of concrete greening additives and 2-5% of arbuscular mycorrhizal fungi inoculant which are compatible. The problems that vegetation growth is stressed by matrix materials, and vegetation is easy to degrade in a maintenance process on existing vegetation concrete technical conditions are solved, and pollutant intercepting capacity when a vegetation concrete technology is applied to a buffer zone is enhanced.
Owner:HIT YIXING ACAD OF ENVIRONMENTAL PROTECTION
Water treatment method and device for synchronously realizing filtering and back washing
InactiveCN102847352AImprove pollution interception effectImprove work efficiencyLoose filtering material filtersGravity filtersWater dischargeWastewater
The invention discloses a water treatment device and method for synchronously realizing filtering and back washing. A filtering tank is installed on a supporting support, and the device is characterized in that the lower part of the filtering tank is connected with a water inlet tube and a water distribution device; a sand distribution device is arranged below the water distribution device; filter materials are placed in the filtering tank; a water outlet groove and a water discharge tube are arranged on the upper part of the filtering tank; a sand storage hopper is arranged at the bottom of the filtering tank; the sand storage hopper is externally connected with a sand transportation tube and a sand extraction pump; a back washing chamber is installed on the upper part of the filtering tank; the sand transportation tube is connected with the back washing chamber; sand-water separation is carried out on back washing water and inlet gas, clean sand enters a sand cleaning chamber and falls down a filter material layer; and separated back washing sewage is discharged out of the filtering tank from a back washing tube. A mode that waste water flows upwards is adopted, the filter material with the maximum sewage cutting amount in the filtering tank is located on the lower part of the whole filtering layer, sand in a lower layer falls down, replacement and changing are convenient through sand lifting, filtering and back washing can be synchronously operated, continuous operation of a filtering device is achieved, filtering layer sewage cutting capacity and work efficiency are improved, and the energy consumption and cost are reduced.
Owner:HUBEI ZHONGBI ENVIRONMENTAL PROTECTION TECHCO
Preparation method for bentonite anti-seepage material
The invention discloses a preparation method for a bentonite anti-seepage material and relates to a preparation method of an anti-seepage material. The preparation method comprises the following preparation steps of: weighing metric ammonium persulfate, and dissolving the metric ammonium persulfate into distilled water to prepare a 10% ammonium persulfate solution for later use; weighing modified polyacrylamide and N, N'-methylene-bisacrylamide as a cross-linking agent in proportion, placing the weighed components into a beaker of 250mL, then adding tetramethylethylenediamine and uniformly stirring the mixture; weighing natural sodium bentonite, adding the natural sodium bentonite into the beaker by keeping stirring to ensure that the natural sodium bentonite is uniformly mixed with the mixture; adding the prepared 10% ammonium persulfate solution into the beaker, and stirring for 3-5min; and standing still the mixture, and shaping and drying according to a required shape immediately to prepare the bentonite anti-seepage material product. The bentonite anti-seepage material prepared by adopting the preparation method has the advantages of simple preparation process, easy obtaining and low price of raw materials, convenience for processing and better performance for resisting seepage and adsorbing and removing pollutants.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
Filter backwashing method and filter
InactiveCN104436779AIncrease collision frictionReduce the resistance of mutual contactLoose filtering material filtersGravity filtersWater pipeFilter material
An embodiment of the invention provides a filter backwashing method and a filter. The method is applied to the filter. The filter comprises a tank, a water outlet pipe connected to the tank, a water outlet valve arranged on the water outlet pipe, a backwashing water inlet pipe, a backwashing water inlet valve arranged on the backwashing water inlet pipe, a backwashing valve connected to the backwashing water inlet pipe, a water suction pump connected to the backwashing valve, a water inlet pipe, a water inlet valve arranged on the water inlet pipe, a water discharge pipe, a water discharge valve arranged on the water discharge pipe, an air inlet pipe with one end connected to the tank and the other end connected to an air blower, as well as an air washing valve arranged on the air inlet pipe. The method comprises steps as follows: controlling the backwashing water inlet valve in an open state; controlling the air blower in an open state to input compressed air into the tank through the air inlet pipe; and guiding water into the tank through the water inlet pipe, and further performing backwashing on a filter material in the tank in an air and water mixed manner.
Owner:武汉钢铁有限公司
Sewage-intercepting optimization system of interception type water draining pump station additionally provided with porous water-permeating partitioning wall
ActiveCN106836441AImprove interception efficiencyReduce overflow pollutionSewerage structuresSewage drainingPipeflowGrating
The invention relates to a sewage-intercepting optimization system of an interception type water draining pump station additionally provided with a porous water-permeating partitioning wall. The sewage-intercepting optimization system comprises a water collecting pool with an opened top part, an upstream combined pipeline or a rainwater feeding pipe communicated with the water collecting pool, water feeding channels arranged in the water collecting pool in sequence along the water flowing direction, a water feeding grating, porous water-permeating partitioning wallsand a flow guiding wall,wherein the water feeding grating, the porous water-permeating partitioning wall and the flow guiding wall enclose into an embedded type sewage intercepting pool commonly, and the embedded type sewage intercepting pool is opened at the top part, is independent from the water collecting pool and partitions the water collecting pool into two independent branched water collecting pools which are internally and respectively provided with a rainwater pump and a water draining pipe network communicated with the rainwater pump; and the embedded type sewage intercepting pool is internally provided with a sewage intercepting pump and a sewage draining pipe network communicated with the sewage intercepting pump. Compared with the prior art, the sewage-intercepting optimization system is applicable to high-efficiency sewage-intercepting modification of built combined sewage treatment and drainage pump stations and rainwater pump stations mixed with separated sewage treatment and drainage systems.
Owner:TONGJI UNIV
Composite filter material prepared by blending melt-blown polypropylene with modified organic bentonite and used for sewage treatment and preparation method thereof
ActiveCN104759154AImprove purification efficiencyImprove pollution interception effectArtificial thread manufacturing machinesMelt spinning methodsAluminium hydroxideZinc alloys
The invention relates to a filter material used in sewage treatment and particularly relates to a composite filter material prepared by blending melt-blown polypropylene with modified organic bentonite and used for sewage treatment and a preparation method thereof. The filter material is prepared from following raw materials, by weight: 2-3 parts of calcium alginate, 30-34 parts of polypropylene, 1-2 parts of a titanate coupling agent, 0.2-0.4 parts of polyacrylamide, 20-24 parts of the organic bentonite in 200-300 meshes, 2-3 parts of polyether modified silicone, 2-3 parts of nano aluminum hydroxide, 0.1-0.2 parts of nano copper-zinc alloy powder, 0.8-1 part of lauryl sodium sulfate, and 35-45 parts of water. In the invention, the modified organic bentonite-based filter material micro powder is supported onto the modified polypropylene master batch melt-blown filaments to form a stereoscopic network structure. The filter material is excellent in mechanical performance, is not liable to break in use, is higher in purification efficiency, is stable in performance and is flexible in shape.
Owner:南京瑜铨环保技术有限公司
Filtering material with micropore and film for treating water
InactiveCN1481922AHigh mechanical strengthWashoutTreatment using aerobic processesSustainable biological treatmentPhosphateExpanded clay aggregate
The porous filming material for water treatment consists of clay 30-60 wt%, loess 30-60 wt%, kaolin 5-20 wt% and pore creating material 5-20 wt%. The product of the present invention is spherical haydite, and has high mechanical strength, high erosion resistance, high wear resistance and stable physical and chemical properties as well as rich pores, rough surface, great specific surface area, long service life, high adsorption performance, etc. It has high dirt intercepting capacity and high filming efficiency, is suitable for the growth and propagation of microbe and may be used to eliminate organic matter, suspension, nitride, phosphate, etc from water.
Owner:骆福全
Non-point source pollution control rainwater well
ActiveCN109372087AImprove pollution interception effectReduce maintenance costsFatty/oily/floating substances removal devicesSewerage structuresFiltrationEnvironmental engineering
The invention discloses a non-point source pollution control rainwater well. The rainwater well includes a shell, a coarse filter strainer, a basket, a medium filter material. The top of the shell isprovided with an inlet for rainwater flowing in, and the bottom of the shell is provided with a discharge hole communicated with a rainwater pipe. The coarse filter strainer covers the inlet, the basket is arranged in the shell and can be taken out from the inlet, at least parts of regions of the basket are provided with coarse filter meshes, and the diameter of filter holes of the coarse filter meshes is smaller than that of the filter holes of the coarse filter strainer. The medium filter material is arranged in the shell and under the basket, the diameter of filter holes of the medium filter material is smaller than that of the filter holes of the coarse filter meshes, and rainwater flowing in from the inlet passes through the coarse filter strainer, the coarse filter meshes and the medium filter material. By the method, rainwater can be treated by multi-stage filtration, pollutants of different diameters are intercepted at different locations, batch filtration is achieved, the ability of intercepting the pollutants is significantly improved, and the risk of large-particle pollutants entering the rainwater pipe network is greatly reduced.
Owner:南京洞见环境科技有限公司
Non-point source pollution control-based arterial drainage water quality regulation and control system and arterial drainage water quality regulation and control method
ActiveCN104234171ASimple structureEasy to implementSewerage structuresSewage drainingControl systemPollutant flux
The invention relates to a non-point source pollution control-based arterial drainage water quality regulation and control system and an arterial drainage water quality regulation and control method. The system comprises an arterial drainage which is divided into a plurality of control sections, a controller and a plurality of switching wells, wherein each control section has a most unfavorable control point provided with a liquid level instrument; the arterial drainage is provided with a plurality of water outlet pipes; all the switching wells are respectively communicated with the water outlet pipes in a way of one-to-one correspondence; each switching well is provided with a water inlet pipe and an overflow pipe, and is internally provided with a turbidity meter, a conductivity meter and an electric flashboard; each water inlet pipe is provided with a Doppler ultrasonic flow meter; the liquid level instruments, the turbidity meters, the conductivity meters, the electric flashboards and the Doppler ultrasonic flow meters are respectively connected with the controller. The system is simple in structure, convenient in implementation and low in engineering cost. According to the arterial drainage water quality regulation and control method, the system is utilized to calculate the flux of pollutant in the switching wells, and regulation and control are performed according to the principle that water in the switching wells with high flux of pollutant firstly enters the arterial drainage firstly and water in the switching wells with low flux of pollutant waits, so that the double-staggering peak adjustment of water quality and water quantity of the arterial drainage can be realized, and risk of waterlogging is reduced.
Owner:CHONGQING UNIV
Ecological treatment method of black and foul water body
InactiveCN110171914AGood pollution interception effectStrong environmental adaptabilityWater/sewage treatment by centrifugal separationWater contaminantsPollutantEnvironmentally friendly
The invention discloses an ecological treatment method of a black and foul water body and relates to the technical field of environmental treatment. The method particularly comprises the following steps: S1, inlet sewage interception: checking and sealing drain outlets at both banks of a watercourse, constructing a plurality of reservoirs according to the length of the watercourse, constructing orperfecting a sewage interception pipe network to effectively intercept sewage flowing into a river and reduce pollution of the sewage to the river from the source, introducing the sewage from the drain outlets into the reservoir through pipelines, thoroughly treating the sewage using an intelligent quick sewage treatment device together with a specific water clearer and alga removal and deodorization agent, adding thoroughly treated water into the river. The method is good in sewage interception effect; and after disperse treatment, the sewage from an external source does not flow into the river any longer. According to the ecological treatment method of the black and foul water body, solid pollutants in the black and foul water body are removed preliminarily in a manual or mechanical salvage manner; the method is strong in environmental suitability, low in cost, good in effect, environmentally friendly, pollution-free, and simple to prepare, takes effect quickly, has no and has positive engineering practicability.
Owner:武汉美佳源环境工程有限公司
Sewage intercepting hanging basket and sewage discharging device with sewage intercepting hanging basket.
PendingCN108457362AImprove pollution interception effectReduce cloggingSewerage structuresEngineeringHanging basket
The invention discloses a sewage intercepting hanging basket and a sewage discharging device with a sewage intercepting hanging basket. The dirt intercepting basket comprises a first hanging basket, which is formed as a cylinder with an opening at one end and a drainage hole at the other end and the side respectively. An overflow port is provided on a side of the cylinder adjacent to the opening for overflowing excess sewage; the second hanging basket is formed in a disc shape with a filter mesh on the bottom surface, and the second hanging basket is disposed below the first hanging basket andspaced apart from the first hanging basket to filter the sewage filtered by the first hanging basket. The sewage intercepting basket is provided with coarse and fine two-stage interception, and the intercepting effect is better, which can achieve the purpose of preventing and controlling urban black and odorous water bodies and reducing the clogging of rainwater pipelines; excessive rainwater canbe discharged through the overflow, and the overflow capacity of the overflow is not less than the ability of the rainwater to survive with high drainage safety; the simple sewage intercepting basketis characterized by simple structure, which can prevent clogging with high reliability; the sewage intercepting basket is suitable for the environmentally-friendly gully in the newly built area and the environmentally-friendly gully renovation in the built-up area.
Owner:天津生态城市政景观有限公司
Water discharge kerb and road
PendingCN108330772AImprove pollution interception effectReduce the ratioFatty/oily/floating substances removal devicesSewerage structuresWater dischargeSludge
The invention relates to a water discharge kerb and a road comprising the water discharge kerb. The water discharge kerb comprises a kerb body, wherein a water discharge passage extending to the otherside wall body from the side wall body of the pavement is formed on the kerb body; a coarse filtering unit and a fine filtering unit are sequentially arranged on the water discharge passage in the water discharge direction; a flow passing buffer groove passage is defined between the coarse filtering unit and the fine filtering unit; through the matching of the coarse filtering unit, the flow passing buffer groove passage and the fine filtering unit, the dirt interception capability of the kerb can be effectively improved; when the kerb is applied to enterprise inside roads in iron and steel industries and the like, the proportion of sludge, sundries, oil stain and the like entering a factory water discharge system can be reduced; the cleaning frequency of the water discharge system can beeffectively reduced; the water discharge efficiency is improved; the water discharge smoothness in the factory can be ensured.
Owner:CHINA CITY ENVIRONMENT PROTECTION ENGINEERING LIMITED COMPANY
Solid garbage intercepting and concentrating device for river
InactiveCN104746491AAchieve closureAchieving processing powerWater cleaningMarine site engineeringWater qualityConductor Coil
The invention discloses a solid garbage intercepting and concentrating device for a river. The solid garbage intercepting and concentrating device comprises stand columns arranged on both sides of the river respectively. The stand columns are provided with a synchronous rotating assembly. The synchronous rotating assembly comprises an external winding belt rotating around the two stand columns. An internal winding belt is arranged in the external winding belt. The external winding belt is provided with penetrating holes in the rotating direction. The internal winding belt is provided with penetrating components corresponding to the penetrating holes. The penetrating components are provided with intercepting components for bonding garbage. Garbage cleaning components are arranged, and a river surface flow diversion layer is arranged between the stand columns. Compared with the prior art, according to the solid garbage intercepting and concentrating device for the river, the internal winding belt is inserted into the penetrating holes through the penetrating components to drive the external winding belt to rotate synchronously, the garbage bonded by the intercepting components is cleared and processed in a concentrated mode, the river surface flow diversion layer intercepts the garbage floating on the river surface, a certain clearing function is played on various garbage in the river, and the water quality is purified.
Owner:WUXI HAOYU ENERGY SAVING ENVIRONMENTAL PROTECTION EQUIP CO LTD
Modified bentonite, and modification method and application thereof
ActiveCN110182819AHigh surface negative charge densityEnhanced chemical corrosion resistanceSilicon compoundsSodium BentoniteSlurry
The invention discloses modified bentonite, and a modification method and an application thereof. The modified bentonite comprises an inorganic phosphorus based polymer, citric acid and parent bentonite, wherein the inorganic phosphorus based polymer is one or a mixture of more selected from the group consisting of sodium hexametaphosphate, sodium tripolyphosphate and sodium pyrophosphate. The modification method for the modified bentonite adopts a pulping and drying method and comprises the following steps: preparation of citric acid and a phosphorus-based polymer solution, preparation of citric acid pre-modified bentonite, preparation and maintenance of phosphorus-based polymer and citric acid synergistically modified bentonite slurry, and drying and grinding. The modified bentonite provided by the invention can be applied to a horizontal blocking barrier and a vertical blocking barrier which block migration of a strongly-alkaline percolate, can guarantee good anti-seepage performance and chemical corrosion resistance of blocking barriers, has the functions of regulating and controlling alkalinity of a contaminated liquid at the same time, and can be widely popularized and applied to prevention and control measures for pollution risks of the percolate in a storage yard of strongly-alkaline industrial waste residues.
Owner:SOUTHEAST UNIV
Method for processing wastewater from papermaking with waste paper
InactiveCN102311212AEvenly distributedImprove pollution interception effectMultistage water/sewage treatmentPulp and paper industrySand filter
The invention which provides a method for processing wastewater from papermaking with waste paper relates to the environmental protection field. The method solves technical problems of high COD content in the wastewater from papermaking with the waste paper and high processing cost in the prior art. The method comprises the following steps: introducing the wastewater from papermaking with the waste paper into a water inlet barrier; introducing the wastewater which is processed through the water inlet barrier into an equalizing tank; adding an acid to the equalizing tank to adjust the pH value; lifting the wastewater in the equalizing tank to an anaerobic hydrolysis tank through a pump for anaerobic hydrolysis tank; introducing the anaerobically hydrolyzed wastewater into a first sedimentation tank for sedimentation; introducing a supernatant into a deep air floatation tank for air floatation processing after deposition; introducing the air floatation processed supernatant into a biochemical tank which is provided with an aeration apparatus; introducing the supernatant which is processed through the biochemical tank into a second sedimentation tank for sedimentation; introducing the supernatant after sedimentation into a reverse ore sand filter tank for filtering; and recycling water after going through the reverse ore sand filter tank. The wastewater from papermaking with the waste paper, which is processed with the method of the invention, has the advantages of obvious reduction of the COD value and low cost.
Owner:上海百峰环保工程有限公司
Fish tank with filtering device
InactiveCN107182888AImprove peel performanceImprove pollution interception effectPisciculture and aquariaWater qualitySewage
The invention discloses a fish tank with a filtering device. The fish tank with the filtering device comprises a fish tank, wherein the fish tank bottom is a first baffle with filtering holes; a filtering tank is disposed under the first baffle; a first V-shaped groove and a second V-shaped groove are formed in two opposite side walls of the filtering tank; a first baffle and a second baffle are disposed vertically inside the filtering tank; the filtering tank is successively divided by the first baffle and the second baffle into a first filtering groove, a water-gas distribution groove and a second filtering groove; the first filtering groove is located under the first V-shaped groove; the second filtering groove is located under the second V-shaped groove; bottoms of the first filtering groove and the second filtering groove communicate with the bottom of the water-gas distribution groove; a water backflow pipe is disposed on the bottom of the filtering tank; a water outlet end of the water backflow pipe communicates with the fish tank; a water pump is disposed on the water backflow pipe; and a sewage pipeline is disposed on the bottom of the filtering tank. According to the invention, use is convenient; and silt, iron rust, suspended solids, algae, bacteria, inorganic matters and other pollutants in water are disposed by a sterilization lamp and a filtering pool at the same time, so that water quality purification can be achieved.
Owner:XI'AN POLYTECHNIC UNIVERSITY
Homogeneous particle filter material reverse granularity rapid filter
InactiveCN102151426AImprove sewage interception abilityExtend the filter cycleLoose filtering material filtersGravity filtersDistribution systemWater pipe
The invention relates to a homogeneous particle filter material reverse granularity rapid filter which is communicated with a to-be-filtered water inlet pipe and a backwashing water inlet pipe, the rapid filter is sequentially provided with a water distribution chamber, a water distribution system, an under layer, a particle filter material layer, a backwashing water trough and a filtered water collection trough from bottom to top, wherein one end of the filtered water collection trough is provided with a clear water channel, the filtered water collection trough is communicated with the clear water channel, a drainage channel is arranged under the clear water channel, the backwashing water trough is communicated with the drainage channel, and the to-be-filtered water inlet pipe and the backwashing water inlet pipe are communicated with the water distribution chamber to ensure that to-be-filtered water enters from the bottom of the filter; and the filtering material layer thickens from top to bottom and has little resistance and more intercepted suspended matters. Compared with the downward flow positive granularity filter on the same scale, the rapid filter has the advantages of being capable of improving water yield by about 40 percent and saving investment by 30-40 percent, correspondingly reducing volume and obtaining remarkable economic benefit.
Owner:POWERCHINA ZHONGNAN ENG +1
Intelligent ecological floating island with pollutant intercepting function
PendingCN111422992AEfficient collectionPromote repairBiological water/sewage treatmentUnderwaterEngineering
The invention provides an intelligent ecological floating island with a pollutant intercepting function, and belongs to the field of ecological restoration, wherein the intelligent ecological floatingisland comprises a control assembly and a pollutant intercepting and filtering assembly, the control assembly is arranged at the upper end of the pollutant intercepting and filtering assembly and drives the pollutant intercepting and filtering assembly to move and be fixed in a water body; the pollutant intercepting and filtering assembly comprises a buoyancy plate, a filtering plate and a pollution-resistant plant, the pollution-resistant plant is arranged at the upper end of the filtering plate, the filtering plate is detachably arranged below the buoyancy plate, and the filtering plate isof a grid structure and is used for intercepting and gathering floating objects in a water body. According to the invention, black and odorous water floating garbage and underwater large-particle pollutants are effectively collected, and the pollutant interception effect is remarkable; and the garbage and pollutants are uniformly and intensively stored underwater, so that the landscape effect of ariverway and a water body is remarkably improved.
Owner:LINGNAN LANDSCAPE
Polypropylene fiber bulked filament for environment-friendly fiber bundle filter and preparation method of polypropylene fiber bulked filament
PendingCN113774504ALarge diameterLarge specific surface areaFilament/thread formingMembrane filtersPolymer scienceFiber bundle
The invention discloses a polypropylene fiber bulked filament for an environment-friendly fiber bundle filter and a preparation method of the polypropylene fiber bulked filament, and belongs to the technical field of chemical fiber materials. The cross section of a monofilament is a trilobal special-shaped bulked filament, polypropylene slices, chlorine-resistant master batches and anti-UV master batches are mixed for spinning, the linear density of a single filament is 40-45 dtex, the density of a multifilament is 3000-3600 dtex, and the diameter of the fiber is 100 microns or above. The anti-chlorine master batch is prepared by mixing, melting and pelletizing a chlorine-resistant antioxidant double-effect agent and polypropylene powder according to a ratio of 1: 1, and the anti-UV master batch is prepared by mixing, melting and pelletizing 15.0-17.0% of an anti-aging agent, 15.0-17.0% of UV powder and 66.0-70.0% of polypropylene powder. The polypropylene fiber bulked filament has the advantages of large diameter, high fluffiness, good springback, low cost, large specific surface area, and low filtering resistance, the filtering efficiency and the pollutant intercepting capacity are improved, the chlorine oxidation resistance and the UV aging resistance are improved, and the service life of the filter is prolonged.
Owner:GUANGDONG MODERN HIGH TECH FIBER CO LTD
River channel ecological protection slope and construction method thereof
PendingCN112482411ASolve the problem of floodingImproved growth levelsCoastlines protectionExcavationsRiver routingPlant fibre
The invention is applicable to the technical field of artificial river channels, and provides a river channel ecological protection slope and a construction method thereof. The river channel ecological protection slope comprises a slope, wherein hollow prefabricated parts are laid on the slope; through holes are formed in the side surfaces of the hollow prefabricated parts; the through holes of the two connected hollow prefabricated parts communicate with each other; the hollow prefabricated parts are filled with planting bases; and the planting bases comprise at least soil, ceramsite, biocharand plant fibers. According to the river channel ecological protection slope and the construction method thereof, the through holes are formed in the side surfaces of the hollow prefabricated parts,so that the through holes of the two connected hollow prefabricated parts communicate with each other, and the problem that plants are in a flood disaster due to water accumulation in the hollow prefabricated parts can be effectively solved; the hollow prefabricated parts are filled with the ceramsite, so that the air permeability of the soil can be effectively improved, and the growth level of the plants can be improved; and the planting bases are filled with the biochar and the plant fibers, so that pollutants which are flushed into a river channel by rainwater and surface runoff can be adsorbed, and the purification capacity of a water body can be effectively improved. By utilizing the river channel ecological protection slope and the construction method thereof, a river channel ecological system can be repaired and improved.
Owner:ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
A control method of an intelligent sewage interception system
ActiveCN108385809BHigh degree of automationGuaranteed uptimeSewerage structuresSewage drainingWater qualityOperation mode
Owner:YANGZHOU LANXIANG ELECTROMECHANICAL ENG CO LTD
Hydraulic automatic control flow limiting sewage intercepting gate device
PendingCN110541468ASolve the problem that the flow rate far exceeds the design interception flow rateAvoid problems that cannot be automatically turned onSewerage structuresAutomatic controlRain fall
The invention aims at providing a hydraulic automatic control flow limiting sewage intercepting gate device which is reasonable in design, precise in flow limiting and low in manufacturing cost. The hydraulic automatic control flow limiting sewage intercepting gate device is arranged on a sewage draining exit in a sewage intercepting well, and comprises a gate chamber, a flat-bottom-face buoyancychamber, a transmission assembly, a gate and a limiting sleeve for limiting the buoyancy chamber to float upwards within the allowable range, and the flat-bottom-face buoyancy chamber, the transmission assembly, the gate and the limiting sleeve are arranged in the gate chamber. The buoyancy chamber with the flat bottom face is adopted, the drinking water depth of the buoyancy chamber is reduced, under the condition that the water in the gate chamber is shallow, the gate can be driven in time through the transmission assembly, the opening height of the gate can be automatically controlled, theeffect of precisely limiting the amount of water flowing into the sewage draining exit during rain falling can be achieved, through the limiting sleeve, in the period of intense fall, the gate has theminimum opening height, and the design of precise flow limiting without cut off is achieved. The device is applied to the technical field of reasonable water making and draining.
Owner:杜曲
Filter with circulation filtering layer
InactiveCN105536333ADo not exceed interception capacityImprove pollution interception effectMoving filtering element filtersDrive shaftWater quality
A filter with a circulation filtering layer is characterized in that a water distributing pond arranged at the upper portion of a shell is connected with a raw water pipe, a water distributing hole plate at the bottom of the water distributing pond and the upper end of a sealing cover are fixed, and the lower end of the sealing cover is in contact with the upper layer of the circulation filtering layer; a driving shaft and three driven shafts are arranged in a rectangle mode on the two side walls of the shell, the driving shaft is fixedly connected with a power device, the two ends of the driving shaft are fixedly connected with a driving chain wheel, and the two ends of each driven shaft are fixedly connected with a driven chain wheel; a supporting chain fixed by the circulation filtering layer is connected to the driving chain wheel and the driven chain wheel in a wrapped mode, the upper layer of the circulation filtering layer strides a clear water collecting pond, and the lower layer of the circulation filtering layer is arranged in a washing pond; the circulation filtering layer surrounds the clear water collecting pond, and the clear water collecting pond is connected with a clear water outlet pipe through water draining holes in the side walls; a plurality of washing sprayers arranged on the lower part of the clear water collecting pond are connected with a washing pump and a clear water header pipe through a washing pipeline. The filter has the advantages of being high in intercepting capability, high in filtering precision, good in outlet water quality and wide in application range.
Owner:曲晓东
Biological active carbonized straw/kieselguhr molecular sieve manganese removing filter material
InactiveCN106145380AImprove pollution interception effectUnique nano molecular sieve structureWater contaminantsWater/sewage treatmentMolecular sieveBiological activated carbon
The invention discloses a biological active carbonized straw / kieselguhr molecular sieve manganese removing filter material. Straw and kieselguhr are used as base stock of the filter material, the production cost is reduced, polyethyleneimine is used for crosslinking the base stock to introduce manganese oxidizing bacteria, and the filter material with the long-acting dynamic adsorption manganese removing effect is obtained. Polyethyleneimine has a certain manganese ion adsorbing function to accelerate breeding and growth of the manganese oxidizing bacteria, and the interception capacity of the filter material is further promoted. The filter material has a unique nano molecular sieve structure, and compared with a traditional filter material, the manganese removing filter material has the prominent advantages in the production cost and manganese removing effect and has good application prospects in treatment on a drinking water source with manganese content slightly exceeding standards.
Owner:ANHUI UNIVERSITY OF ARCHITECTURE
Preparation method of iron-carbon catalyst for Fenton wastewater treatment
ActiveCN109174117AMake sure there are no lumpsEnsure passivationWater treatment compoundsCatalyst activation/preparationPorositySludge
The invention discloses a preparation method of an iron-carbon catalyst for Fenton wastewater treatment. The iron-carbon catalyst is prepared from 55-70 wt% of iron oxide powder, 10-15 wt% of fly ash,2-5 wt% of clay, 3-5 wt% of Pingxiang Changfeng porcelain clay powder, 3-5 wt% of natural manganese sands, 10-20 wt% of zinc oxide waste residue powder and 0.3-1 wt% of potassium ferrate through thesteps of ball milling, granulation, drying and high-temperature sintering. Compared with catalysts in the prior art, the iron-carbon microelectrolysis catalyst in the invention has the advantages of good treatment effect, low production cost, convenience in operation and maintenance, wide application range, low power and resource consumption, fast speed and stable effect in a treatment reaction, no secondary pollution, improvement of the biodegradability of wastewater, and facilitation of the sedimentation and biofilm colonization of sludge; and the preparation method can improve the strength,the specific surface area and the porosity of the catalyst and improve the treatment effect and the service life of the catalyst in order to facilitate backwashing.
Owner:PINGXIANG SANLI CERAMICS CO WITH LTD LIABILITY
Variable-hole filtering pool
InactiveCN102462983AReduced interception capacityImprove pollution interception effectLoose filtering material filtersGravity filtersPorosityFlocculation
The invention relates to a variable-hole filtering pool, which comprises a filtering pool body and is characterized in that an air inlet device and a water collection device are sequentially arranged in the filtering pool body from top to bottom. The variable-hole filtering pool mainly adopts coarse filtering materials, and the filtering is carried out through the whole filtering layer, so the surface filtering of the filtering layer formed by an ordinary filtering pool is avoided, the filtering layer resistance is reduced, previous penetration of suspension material particles is also avoided, and the filtering speed is also accelerated. Through the addition of fine filtering materials and the uniform mixing in the filtering layer, the local porosity of the coarse filtering materials is greatly reduced, the flocculation effect of fine particles in sewage is improved, tiny particles can be more favorably removed, and the pollutant interception capability of the filtering pool is also greatly improved. The total equipment investment cost is reduced, the occupied area is small, the filtering effect is better, the filtering time is shortened, and the operation work procedure is reduced. After the variable-hole filtering pool is matched with a pneumatic valve and a programmable logic controller (PLC), the fully automatic control can be realized.
Owner:江苏鹏潮环境科技有限公司
Long-acting slow-releasing composite filter material prepared by blending melt-blown polypropylene with rare earth magnesium-silicon-iron alloy powder and used for sewage treatment and preparation method thereof
InactiveCN104759145AImprove pollution interception effectImprove purification efficiencyOther chemical processesFiltration separationRare earthCyclodextrin
The invention relates to a filter material used for sewage treatment and particularly relates to a long-acting slow-releasing composite filter material prepared by blending melt-blown polypropylene with rare earth magnesium-silicon-iron alloy powder and used for sewage treatment and a preparation method thereof. The filter material is prepared from following raw materials, by weight: 8-10 parts of diatom ooze, 30-35 parts of polypropylene, 1-2 parts of a titanate coupling agent, 0.6-0.8 parts of [beta]-cyclodextrin, 2-3 parts of polyether-modified silicone oil, 5-8 parts of silicon sol, 0.4-0.5 parts of the rare earth magnesium-silicon-iron alloy powder in 300-400 meshes, 12-16 parts of activated carbon micro-powder in 200-300 meshes, 0.1-0.2 parts of malonic acid, 1-1.2 parts of lauryl sodium sulfate and 30-40 parts of water. In the invention, the modified kieselguhr filter material micro powder is supported onto the modified polypropylene master batch melt-blown filaments to prepare the filter material having a stereoscopic network structure. The filter material is good in mechanical performances, is not liable to damage, is durable and high-efficient in purification and is stable in performance.
Owner:BENGBU DEMO FILTRATION TECH
An optimization system for sewage interception of interception drainage pumping station with porous permeable separation wall added
ActiveCN106836441BQuick effluxPrevent waterloggingSewerage structuresSewage drainingGratingWater flow
Owner:TONGJI UNIV
Cut-off equipment for solid waste in river
InactiveCN104652376AAchieve closureAchieving processing powerBarrages/weirsWater cleaningWater qualityConductor Coil
The invention discloses cut-off equipment for solid waste in a river. The cut-off equipment comprises two pillars respectively arranged at both sides of the river; a synchronous rotation assembly is arranged on the two pillars; the synchronous rotation assembly comprises an external winding belt rotating around the two pillars; an internal winding belt is arranged in the external winding belt; a perforation is formed in the rotation direction of the external winding belt; the internal winding belt is provided with a piercing component corresponding to the perforation; the piercing component is provided with a cut-off component for adhering the waste; a waste clearing component is arranged. Compared with the prior art, the cut-off equipment for the solid waste in the river, disclosed by the invention, has the advantages that the external winding belt is driven by the internal winding belt to rotate synchronously by inserting the piercing component into the perforation, and after being adhered by the cut-off component, the waste is cleared off for centralized disposal; the cut-off equipment had a certain clearing effect on various kinds of waste in the river, and is capable of purifying water quality.
Owner:蒋武生 +2
Waste interception type environment-friendly gutter inlet device
InactiveCN108532727AEasy to cleanEasy to disassemble and cleanFatty/oily/floating substances removal devicesSewerage structuresWaste management
Owner:CHENGDU YIRUIXIN TECH CO LTD
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