426 results about "Water regulation" patented technology

The invention discloses a joint optimization regulation system for cascade hydropower stations. The system comprises a remote centralized monitoring system, a water regulation automation system, a tele-meter reading system and a remote image monitoring system, wherein the remote centralized monitoring system and the water regulation automation system are connected after being safely isolated by a hardware firewall, thus realizing the logic isolation, message filtering and access control of the two areas; the water regulation automation system and the tele-meter reading system are connected by an RS-232 serial port; and the remote centralized monitoring system, the water regulation automation system and the tele-meter reading system are all provided with a WEB releasing sub-system which is connected with the remote image monitoring system through a router with a fireproof wall. With the adoption of the joint optimization regulation system provided by the invention, the safety of the system can be improved, the centralized unified management and scheduling can be realized, the number of management persons can be reduced, and the cascade joint scheduling benefits can be improved.

The invention discloses a hospital waste water treatment system, which belongs to the field of environment protection. The hospital waste water treatment system is characterized in that: hospital waste water is treated in a digestion pool, a waste water regulation pool, a hydrolysis acidification pool and a bio-aeration pool and then treated by membrane biological reactor biomembrane technique so as to separate sludge from water, the separated clean water enters a disinfecting pool to be disinfected by ozone and then enters a recycled water pool; and the separated sludge is returned to the hydrolysis acidification pool by a sludge return pump to undergo secondary degradation treatment. In the invention, through multi-stage, multilayer and comprehensive treatment, almost all harmful pathogenic microbes in waste water are killed basically, and water in the recycled water pool is protected from secondary pollution and reaches emission standards higher than those specified by China and can be reused; in a systemic treatment process, the organic matters in sludge are degraded completely, and special treatment of the sludge is not required; and the system operates in a closed environment, and harmful gases generated in a treatment process are exhausted after being disinfected by ozone and ultraviolet disinfecting device in an exhaust pipe without polluting the air.

The invention provides a water supply network regulation and storage method based on a water tank. The method comprises the following steps: the water tank investigation step: determining water tank parameters and a water tank water feeding mode, and encoding the water tank parameters; the data acquisition step: collecting incoming water flow data and water tank liquid level data; the data processing step: calculating real-time user water demand data and determining a water consumption peak time period and a water consumption valley time period; the regulation and storage planning step: calculating planned water incoming time and planned water incoming amount of the water tank through a systematic regulation and storage planning algorithm; and the regulation and storage implementation step: controlling a pump and a valve of the water tank to carry out water volume regulation and storage on the water tank. Through overall consideration of factors of water tank volume, regulation and storage volume and the water tank water feeding mode and the like, the water supply network regulation and storage method based on the water tank is allowed to be more accurate and effective; and meanwhile, by improving the water tank water supply regulation and storage system structure and planning algorithm, the water regulation and storage is allowed to be more stable and reliable.

The invention discloses an aquaculture microorganism substrate improver having a triplet efficacy and a preparation method thereof. A high viable content can still be kept in the production and transportation process, and the effect of the viable content can still be efficiently played under a low-oxygen-solubility condition on the bottom of a pond. Organic substances such as bait residues and manure can be decomposed, and the pathogenic microorganism can be inhibited; organic phosphorus in the water is converted into inorganic phosphorus, and the growth of phytoplankton is promoted; nitrite nitrogen in the water is converted to nitrogen to removal water, so that the content of the water nitrite nitrogen is reduced; and heavy metal ions are chelated, so that the toxicity of heavy metal is reduced, a triplet efficacy of bottom improvement, water regulation and detoxication can be realized, and the water environment is comprehensively improved. The aquaculture microorganism substrate improver is prepared from the following components in parts by weight: 1 to 3 parts of zeolite powder, 2 to 8 parts of bentonite, 0.5 to 4 parts of diatomite, 1 to 3 parts of polyglutamic acid powder, and 2 to 8 parts of composite probiotics powder.

The invention discloses a sesame oil extraction method. The method comprises the following steps that 1, sesame seeds are cleaned, husked, smashed, subjected to water regulation and then subjected to freezing treatment; 2, microwave defrosting is conducted on the sesame powder subjected to freezing treatment; 3, the defrosted sesame powder is subjected to step-by-step enzymolysis, centrifugal separation is conducted after enzymolysis is completed, and sesame oil, emulsion, hydrolysate and residues are obtained; 4, the emulsion is subjected to ultrasonic treatment, ethyl alcohol is added, centrifugation is conducted, and the sesame oil is obtained. According to the sesame oil extraction method, the high-quality green sesame oil can be obtained, needed equipment is simple, operation is safe, the obtained sesame oil is free of residual solvent, and the final total oil extraction rate can reach 97.91%.

The invention discloses an underwater super-cavity producing device free of production of interferential cavity flows. An observation window is arranged on a water tank, a sealing hose is installed outside a flange hole on the side wall, one end of an emission tube is inserted into the water tank through the sealing hose and then installed at one end of an exhaust tube inside a silencing tube, an air outlet hole at the top of the silencing tube is connected with an exhaust tube, a drain hole is formed in the lower portion of the front end, a missile body ejection hole is formed in the front portion, and a support which can be used for adjusting the height of the silencing tube is fixed inside the water tank; the other end of the emission tube is connected with a high-pressure air source through a tube valve connector, a solenoid valve, a cylinder valve connector and a high-pressure air cylinder, a positioning magnet is arranged on an outer cylindrical surface of the other end of the emission tube, a missile body is installed inside a hole at the other end of the emission tube, which corresponds to the positioning magnet, and a support which can be used for adjusting the angle of the emission tube and a support which can be used for adjusting the height of the high-pressure air cylinder are fixed on the ground. According to the underwater super-cavity producing device, the mechanism study on cavity development processes free of production of disturbance sections under the conditions of different water depths and different emission angles is conducted through adjustment of different diving angles of the missile body, adjustment of different water levels of the water tank and cooperation with a flow field visualization instrument.

The invention discloses a wastewater separation and collection monitoring method in an electroplating industry park, which comprises the following steps: a sample is acquired from a wastewater collection pipe; the acquired sample is analyzed and measured; the measuring value obtained by the analysis and the measurement is compared with the preset value; according to the compared result by the above steps, when the measuring value is less than or equal to the preset value, wastewater is delivered to a cyanide wastewater regulating reservoir or a chromate wastewater regulating reservoir or a comprehensive wastewater reservoir, when the measuring value is more than the preset value, wastewater is delivered to a mixed draining reservoir. Compared with the prior art, the invention has the advantages that: the wastewater separation and collection monitoring method can rapidly and dynamically detect the water quality drained by each factory, especially the mixed draining condition of electroplating wastewater, and directs each factory to manage the draining of wastewater, separates and processes wastewater according to the water quality of wastewater, ensures that an electroplating wastewater centralized processing system stably operates in the electroplating industry park, lowers the operation cost, is convenient for the management, effectively reduces the labor intensity, and improves the processing property and the efficiency with convenient monitoring.

The invention discloses a water-fertilizer conditioning method for rice straw mulching and returning in wheat season, which belongs to the field of water-fertilizer conditioning of crops, in particular to a water-fertilizer conditioning technology under the rice straw mulching and returning way in the small spring wheat season of Chengdu Plain. In the Chengdu Plain, rice straws harvested in the previous season are used for total mulching and returning, thereby carrying out quantitative water regulation and soil fertilizer conditioning during the whole growth period of wheat; the method combines the straw total returning with the water-fertilizer conditioning technology, thereby avoiding the possible negative effects to the soil caused by simple returning during the straw decomposition process, integrating the cultivation technology which is matched with straw returning, optimizing a system of fast conversion and utilization of straws and the crop stable and high yield technology and designing the reasonable water-fertilizer conditioning scheme; furthermore, the tillage measures can not only improve the yield of the crops, save the labor force and improve the economic benefits, but also retain water and fertilizer, improve the soil structure, protect the environment and promote the sustainable development of agriculture in the region.

The invention discloses a liquamatic biological rotating disc reaction tank, and belongs to the field of sewage treatment. The liquamatic biological rotating disc reaction tank comprises a biological rotating disc, a rotary shaft, a contact reaction groove, a jet-flow water feeder, a water feeding pipe, a sewage pump, a water-feeding adjusting valve, a water discharging groove, a water absorbing pipe and a water feeding groove, wherein the biological rotating disc is movably arranged in the contact reaction groove by a rotating shaft; baffles are arranged at the periphery of the biological rotating disc; the jet-flow water feeder is arranged in the contact reaction groove, and a water spraying port of the jet-flow water feeder faces to the baffles arranged at the periphery of the biological rotating disc; the jet-flow water feeder is connected with the sewage pump through the water feeding groove and the water-feeding adjusting valve; the sewage pump is connected with the water feeding groove by a water suctioning pipe; and the contact reaction groove is provided with the water discharging groove. The liquamatic biological rotating disc reaction tank disclosed by the invention has the advantages that by matching of the jet-flow water feeder, the water feeding pipe and the sewage pump, a jet-flow water feeding path is formed, so that the sewage can be utilized for driving the biological rotating disc to rotate; and since the water feeding pipe is provided with the water-feeding adjusting valve, the rotating speed of the biological rotating disc can be controlled by a mode of adjusting the water-feeding flow; and the energy consumption is low and the control is easy.

The invention belongs to the technical field of water treatment and in particular relates to an acid wastewater treatment system and a method. The system comprises an acid wastewater regulating tank, a lifting pump, a one-section primary neutralizing tank, a one-section oxidization tank, a one-section secondary neutralizing tank, a flocculation tank, a one-section inclined plate thickener, a two-section primary neutralizing tank, a two-section oxidization tank, a flocculation tank, a two-section inclined plate thickener, a mechanical acceleration clearing tank and a clear water tank, wherein the one-section inclined plate thickener is respectively connected with the one-section primary neutralizing tank and the two-section primary neutralizing tank by a second sludge reflux pump; the one-section inclined plate thickener is further connected with a filter press by a bottom-flow conveying pump; the two-section inclined plate thickener is connected with the one-section primary neutralizing slot by a third sludge reflux pump; and the mechanical acceleration clearing tank is connected with the one-section primary neutralizing slot by the first sludge reflux pump. On the condition of increasing investment, the system disclosed by the invention lowers acid wastewater treatment cost, comprehensively utilizes wastes, and realizes optimal automation and cyclic utilization of water resources.

The invention discloses a water resource configuration method facing river channel ecological water requirement. The method comprises the following steps: in a water resource configuration model, a river ecological water requirement section is defined as an ecological unit; a relation between a water resource and the ecological unit is built; the constraint of the water resource configuration model is met; a virtual reservoir is set near the upstream of the ecological unit to form the water resource configuration model facing ecological regulation; the water consumption of the ecological unitis 0; the capacity of the virtual reservoir is 0; and in the ecological regulation process, the water resource configuration model facing ecological regulation regulates according to the following rules: the discharge water quantity of the upstream reservoir and the section gathering currents both enter the virtual reservoir; the inflowing quantity is firstly used for supplying water to the ecological unit, and redundant water is discharged; and if the water supply of the ecological unit is insufficient, a water regulation instruction is sent to the upstream reservoir for ecological water supply. The method realizes multi-purpose long-series simulation process, meets the demands of different water use objects, and achieves important significance on development of comprehensive reclamationof river basins and on formulation of basin ecological water supply schemes on the planning aspect.

The invention provides a water quality regulation and control system and method for factory aquaculture. A dissolved oxygen prediction content at predicted time after a first preset time period is predicted according to water body parameters through collection of the water body parameters of a culture pond, the first preset time period is a lag time period of an aeration process, an oxygen consumption factor at the predicted time is determined according to culture behavior parameters and a fish activity law, an oxygen supply amount at the predicted time is determined according to the dissolvedoxygen prediction content, a dissolved oxygen standard content in a water quality standard for fisheries in China and the oxygen consumption factor, an oxygen supply regulation and control command isgenerated according to the oxygen supply amount at the predicted time, and a dissolved oxygen content of a water body in the culture pond is adjusted according to the oxygen supply regulation and control command; and namely an oxygen supply regulation and control command at current time is determined according to the dissolved oxygen prediction content at the predicted time and the oxygen consumption factor at the predicted time, so that aeration can be performed on the water body before an oxygen content in the water body is detected to be too low, the possible condition of fish death due tolack of oxygen is avoided, and loss caused by fish death due to the lack of the oxygen is avoided.

The invention discloses a production method of lactobacillus microecologics which is used for regulating and controlling culture water quality, comprising the following steps of: (1) tube culture; (2) shaking culture; (3) seed tank culture; and (4) fermentor culture: culture solution in the seed tank is inoculated into the fermentor filled with culture solution, and placed for culturing of 24 to 36 hours at the temperature of 25 to 35 DEG C; when the final pH of the fermenting liquid is 3.0 to 4.0 and the density of the lactobacillus is 5 billion / ml, the fermentation is stopped; the pH of the culture solution of the step (3) and the step (4) is 5.5 to 6.5; the culture solution comprises the following ingredients in 1L of water by weight portion: 3 to 5 portions of molasses, 3 to 5 portions of yeast extract, 0.8 to 1 portion of corn steep liquor, 0.1 to 0.3 portion of KH2PO4, 0.3 to 0.5 portion of MgSO4, 3 to 5 portions of NaCl, 8 to 10 portions of glucose and 0.8 to 1 portion of peptone; the method adopts a totally open culture mode to carry out the production of lactobacillus microecologics which is used for regulating and controlling the culture water quality, and is characterized by little equipment investment, little energy consumption, simple technique and low production cost.

The invention discloses a blockchain-based ecological value sharing method and system. The method comprises the following steps: acquiring an ecological environment in each region by a database, analyzing totally seven ecological service values such as organic matter production, climate regulation, soil formation and protection, water conservation (water regulation), purification of environmentalpollution, current situation maintenance and recreational and cultural value, performing analog processing on analyzed and processed data under a central control unit, recording details, transmittingthe details to a regional chain adapter module, analyzing by virtue of the regional chain adapter module and evaluating the analog processing, checking information summarized by a blockchain key, andbuilding a cloud platform to be dedicated to ecological value sharing with the key. According to the method and system disclosed by the invention, the blockchain technology is combined with a cloud environment, further the control of the ecological environment is facilitated, the concept of 'development' and 'peace' is met, and the later ecological control cost is reduced.

The invention provides a waste acid treatment system and method, and belongs to the technical field of water treatment. The system includes a waste acid adjusting pool, a waste acid lifting pump, a first neutralization tank, a secondary neutralization tank, a thickener, a first pressure filter feed pump, a first-stage pressure filter, a slurrying tank, a second pressure filter feed pump and a secondary-stage pressure filter which are connected in turn, and the thickener, the first-stage pressure filter, and the secondary-stage pressure filter are respectively connected with a normal acid wastewater regulation tank. The system uses limestone powder slurry or lead oxide slurry prepared from limestone or lead oxide dust for waste acid treatment, the cost of (300-70) * 200 * 12 = 552000 yuan can be save each year according to the monthly lime use amount of 200t, the lime price of 300 yuan / t, the limestone price of 70 yuan / t, slurrying washed gypsum residue is smooth in appearance, water soluble arsenic and other harmful impurities can be washed away, the quality is better, and the washed gypsum residue is more conducive to the comprehensive utilization.

The invention relates to a method for treating hydrofluoric-acid-containing waste water from a factory. The process flow comprises the following steps: feeding hydrofluoric-acid-containing waste water into an acid storage barrel, regulating with alkali / oil-containing waste water, performing oil-water separation, performing comprehensive waste water regulation, regulating the pH value, performing chemical reaction, coagulating, flocculating, precipitating, filtering, collecting through fluoride ion adsorption, performing resin exchange, regulating the pH value, and performing up-to-standard discharge. The method provided by the invention has the remarkable advantages of low cost, low energy consumption, easy maintenance, no air pollution and no environmental pollution.

The invention discloses an ultra-thick bed sintering method for reducing sinter return ratio and employing presintering; ignition temperature is optimized, a suitable amount of insulation covers are provided, high-oxygen hot air is introduced, surface ignition quality of upper and lower beds of sinter can be effectively improved, mineralizing time of surface sinter can be extended, and cold brittleness of the sinter is reduced; through reasonable coal allocation and water regulation for the upper bed of sinter mixture and reducing the amount of rolls of a distributor, better breathability is provided for the upper bed of sinter mixture; according to the features of the upper bed of mixture, bed combustion and particle size deviating is inhibited, and the bed never combusts too fast; through comprehensive technical means, it is possible to effectively decrease the return ratio of the upper bed of sinter and the whole bed of sinter.

The invention relates to a method for mounting down-the-hole type arc gate embedded parts and water seals. The method comprises the following steps of: mounting trunnion first-stage embedded parts, trunnion second-stage embedded parts and sill embedded parts, casting second-stage concrete after the trunnion first-stage embedded parts, the trunnion second-stage embedded parts and the sill embedded parts are mounted to be eligible, and hoisting side gate recesses and a gate lintel to mounting positions and firmly strengthening; hoisting gate components, adjusting and welding the gate components, ascending concrete to a hoist platform, mounting mechanical and electrical equipment for a hoist, and connecting the mechanical and electrical equipment with a gate body and carrying out joint regulation after the mechanical and electrical equipment is regulated to be qualified; regulating the side gate recesses and the gate lintel according to the regulated actual position of the gate and combining with theoretical design gaps; and determining the dimension for mounting the gate water seals and mounting the gate water seals according to the actual gaps among the gate and the side gate recesses and the gate lintel, casting second-stage concrete for the side gate recesses and the gate lintel after the requirements are satisfied, and carrying out whole-course no-water regulation on the gate and the hoist so as to ensure the mounting quality of the water seals after the casting of the second-stage concrete for the side gate recesses and the gate lintel is qualified. The method for mounting the down-the-hole type arc gate embedded parts and the water seals provided by the invention has the advantages that: the gate system is prevented from being damaged or even invalid because of the quality problem of the water seals, the quality of the high-head down-the-hole type arc gate water seals is improved, and the service life of the gate and the hoist is prolonged.

The invention provides an organic red date planting method. The method comprises land management, pruning and trimming, fertilization management, disease and pest control management, and water regulation management. With the method, a date orchard soil-fertilizer-water management technology is innovated. According to the invention, a biological bacterial fertilizer and farmyard manure are added, such that date orchard soil fertility is improved. Rainwater is intercepted, water is stored, soil moisture is maintained, soil is loosened, and fertilizer is maintained, such that red date yield and fruit quality are improved, and fruit crack, disease and pest are reduced. The date orchard pruning technology is innovated, and pruning standards of branch-suppression spring pruning and vigour-rejuvenation summer pruning are established. With the method, traditional habits of emphasizing spring pruning rather than summer pruning, and pruning without trimming are changed. Conflicts among appropriate tree shape cultivation, red date nutrition regulation and fruit setting are solved, and high quality and high yield of the organic red dates are ensured. A disease and pest control technology with physical pest prevention and biological trapping is innovatively established. The measures are scientific; investment is low; no pollution is caused; and the effect is significant. With the method, organic red date high-quality high-efficiency production is realized, and AAA-level green and organic red date standards are reached.

A plant develop device includes a tubular structure, a water supply device, and a soil package. The tubular structure forms a plurality of growth holes, and a plurality of water conservation grooves are formed at a bottom of an internal surface of the tubular structure. Growth medium is wrapped by the soil package therein, and a through hole corresponding to one of the growth hole is formed on a surface of the soil package. The plant develop wall of the present invention includes the plant develop device, a rack, and a positioning ring which is used to fix the tubular structure on the rack. Thereby, the present invention can provides sufficient room for plant growing, improved fixation, and water regulation.

The invention relates to a rainwater collecting and processing system. The rainwater collecting and processing system comprises a rainwater collecting channel, a rainwater processing mechanism and a clean water tank, wherein the rainwater collecting channel is connected with the inlet of an intelligent primary rainwater split flow device by a rainwater inlet pipeline; the intelligent primary rainwater split flow device is provided with a rainwater split flow pipeline and a rainwater recycle pipeline; the rainwater recycle pipeline is communicated with a rain water regulation tank; a settling pond is arranged on one side of the rainwater regulation tank; clean water in the upper part of the settling pond is communicated with the clean water tank by a drainage pipeline; the lower part of the settling pond is communicated with a mud collection well; an external water supply mechanism is arranged in the clean water tank. Rainwater processed by the rainwater collecting and processing system can be used as an available water source to be used for toilet flushing, city landscaping, landscape water and other water which is adaptive to reclaimed water quality standards.

The invention discloses a method for treating domestic sewage through an anaerobic-contact oxidation bio-membrane reactor. The method comprises treatment steps as follows: 1), collected town sewage is subjected to water regulation and storage and pre-sedimentation in a high regulation and storage tank; 2), the sewage self-flows into an anaerobic reaction area under the action of gravity, and anaerobic biological packing is arranged in the anaerobic reaction area; 3), the sewage upwards flows into an aerobic reaction area under the action of water pressure, a rotating biological disc is arranged in the aerobic reaction area, the sewage entering the aerobic reaction area after anaerobic treatment has the contact reaction with a biological membrane, and the pollutant removing function with higher efficiency is realized; 4), the sewage is introduced into an efficient sedimentation area and has the hybrid reaction through addition of a coagulant, after a mixed liquid is subjected to mud-water separation, a liquid supernatant is discharged up to the standard, and residual sludge is pumped out. When the method is adopted to treat the domestic sewage, the conventional index of effluent quality meets first-level A discharge standard of the pollutant discharge standard of urban sewage treatment plant (GB18918-2002), and the requirement for efficient stable nitrogen and phosphorus removal of wastewater is met.

The invention provides a cotton planting method for increasing yield and improving water utilization efficiency in arid early-maturing cotton areas. The method includes steps of seed selection; pre-sowing moisturizing and ploughing for soil preparation; timely sowing and high-density planting; intertillage weeding, warming and soil moisture preservation; water regulation supplemented by chemical regulation; shallow application of base fertilizers and topdressing; standard disleaving, timely harvesting and the like. By adoption of the method, problems of low water-fertilizer utilization efficiency, unfavorable-delayed senescence of cotton, poor mechanical harvesting quality and the like caused by nonstandard techniques in dripping time and quantity, fertilizing time and quantity, chemical regulation time and quantity and the like are solved.

The invention relates to an emergency fast treatment method of port oil dirt waste water from chemical industry, comprising the following steps of: A, oil-water separation treatment; B, air flotation treatment; C, waste water regulation treatment; D, electric oxidation treatment; E, Fenton reaction; F, neutralization reaction; G, electric flocculation reaction; H, coacervation reaction; I, settling treatment; J, sand carbon filter treatment; K, biochemical reaction; and L, film and artificial wetland treatment; and further comprising a step of a microwave active carbon reaction. The microwaveactive carbon reaction is carried out in a microwave active carbon reactor, wherein the microwave active carbon reactor is an active carbon filling tower, and a microwave emitter is arranged outside the body of the active carbon filling tower. Involved devices of the emergency fast treatment method comprise a circulating pump and an emergency storage tank, which are connected together, wherein anunderground water collecting tank in the step A and an electric oxidization tower in the step D are respectively connected with the emergency storage tank. The emergency fast treatment method disclosed by the invention is used for quickly treating the port oil dirt waste water from the chemical industry and has the functions of retaining and improving deep purification and emergency treatment capabilities of a biochemical pool on waste water.

An organic solid waste water regulation high-temperature aerobic composting device and a method thereof relate to an organic solid waste composting device and a method thereof. The invention settles the problem of affecting the quality of the composting product, which is caused by the vertical maldistribution of the moisture content of the composted object in the warehouse type forced ventilation composting process. The prior mode for adjusting the moisture content has the defects of complicated device and high cost. The conical warehouse top of the device according to the invention is installed on the upper end face of the fermentation warehouse. An annular water collecting groove is provided in the fermentation warehouse. A plurality of water distributors are provided in the fermentation warehouse. The upper end of the water inlet pipe is communicated with the annular water collecting groove, and the lower end of the water outlet pipe is communicated with a water distributing pipe. The method of the invention comprises the following steps: mixing the organic solid waste with the fermentation conditioner, executing intermittent ventilation, executing water distribution for the composted object through the water distributors in the fermentation process, in the 12-th to 15-th day of fermentation, reducing the temperature of the composted object to less than 40 DEG C, and completing the fermentation process of the composted object. The organic solid waste water regulation high-temperature aerobic composting device and the method according to the invention have the advantages of: uniform water content of composted object, high quality of the composted product and low cost.

The invention provides a method and a device for treating chemical wastewater with high salt content and high organic matter content, and belongs to the technical field of sewage treatment. The methodcomprises the following steps: 1) dividing production wastewater into high salinity wastewater, low salinity wastewater, alkaline wastewater, acidic wastewater and oily wastewater; (2) adding the acidic wastewater into the high-salinity wastewater and the oily wastewater subjected to air floatation treatment in an acid regulating tank to regulate the pH value to be less than 7, carrying out Fenton tower and a degassing reaction, adding the alkaline wastewater to regulate the pH value to be 7, adding PAM to perform a coagulation reaction and precipitation, and collecting sludge and an overflowliquid; 3) pumping the overflow liquid into an evaporator to remove salts; and 4) mixing the evaporated wastewater with the low salinity wastewater, carrying out biochemical treatment, namely anaerobic treatment, anoxic treatment, aerobic treatment and secondary sedimentation, and carrying out the coagulation reaction and sedimentation to obtain standard-reaching effluent. The method successfullysolves the problem of treatment of the chemical wastewater with high salt content and high organic matter content, does not generate biochemical sludge, and has the characteristics of low operating cost, and stability in operation.

The invention relates to a multi-module rainwater collecting and purifying and greenbelt conserving urban road, and belongs to the technical field of water collecting and discharging and rainwater pollutant intercepting treatment. A road surface structure sequentially comprises motor vehicle lanes, curbstones with water purifying and filtering functions, sidewalks, greenbelts, water regulation and storage tanks and the like from the middle to two sides, wherein double sidewalk rainwater collecting and temporary storing layers are arranged under the sidewalks; seeped water filtering layers, oil removing layers and water-salt and heavy metal ion adsorbing layers are arranged under the motor vehicle lanes, the curbstones and the sidewalks; a plurality of rainwater storing modules are arranged under the curbstones, the sidewalks and the greenbelts; conical water collecting tanks are arranged under the motor vehicle lanes; a water permeable sand layer and a gravel grit layer are arranged at a bottom end of the entire structure. When a road surface has a slope, the entire structure is preferentially perpendicular to a slope direction; the structure achieves goals of clipping peak, regulating storage, conserving the greenbelts and restoring aquatic ecology by collecting, purifying, storing, pollutant-intercepting and discharging rainwater on the road surface.

The present invention relates to biological restoring technology of polluted soil, and is especially one method of biological restoring method and apparatus for polluted soil. Polluted soil is mixedwith composite organic fertilizer in 2-5 wt%, solid bacterial agent in 1-5 wt% and water in 14-25 wt%, pH regulated to 6-8, conveyed to prefabricated bed, piled in bars and treated while some ventilating pipes are inserted and in conditions of maintaining humidity and ventilating until reaching the exhaust standard. The special treating apparatus includes prefabricated bed with baffles, ceiling and ventilating pipes installed vertically in the ventilating holes; water jets in the ceiling; ventilating duct and anti-permeating layer below the prefabricated bed; and mixing pond beside the prefabricated bed. The present invention may be used in engineering scale.

The invention discloses a water tank water discharge control method. According to the water tank water discharge control method, at least two water discharge modes with different water discharge speeds are set according to the single operation time of duration and single shutoff time of duration of a water tank pump. Compared with the prior art, the technical scheme disclosed by invention sets atleast two water discharge modes with different water discharge speeds according to the single operation time of duration and single shutoff time of duration of the water tank pump, and the water discharge modes of the water tank can be controlled through a software program; therefore, the separate design of a water discharge regulating mechanism is not required, the structural design of the watertank is simplified, and the precision of water discharge control is improved. In addition, the application also discloses a water tank water discharge control device and a cleaning robot using the water discharge control method.