51results about How to "Protect the water environment" patented technology

The invention discloses a resourceful treatment method for high-salinity wastewater, comprising the following steps of: removing organic pollutants of organic high-salinity waste water by adopting a catalysis wet-type peroxide oxidation method; and oxidizing the content of total organic carbon (TOC) of the high-salinity wastewater to be below a maximum limit value of salt water which flows into an electrolytic cell of a chloralkali plant, so that the high-salinity waste water subjected to the catalysis wet-type peroxide oxidation treatment can be used as a raw material for producing chlorine and caustic soda in the chloralkali plant, so that resourceful utilization of the high-salinity wastewater can be realized.

The invention discloses movable intelligent oil-water separating equipment for a kitchen. The movable intelligent oil-water separating equipment comprises a filtering and precipitating device for filtering and precipitating waste water from the kitchen, an oil-water separating device for performing oil-water separation on waste water, an oil collecting device and an up-to-standard water collecting device, wherein a liquid inlet of the oil-water separating device is connected with a liquid draining outlet of the filtering and precipitating device; a liquid inlet of the oil collecting device is connected with an oil draining outlet of the oil-water separating device; a liquid inlet of the up-to-standard water collecting device is connected with a water draining outlet of the oil-water separating device. The movable intelligent oil-water separating equipment disclosed by the invention has the beneficial effects that solid-liquid separation and oil-water automatic separation of kitchen wastes are realized, and a good separating effect and high separating efficiency are realized; complement equipment is simple and attractive in appearance, convenient to use and small in occupied area, and can be integrally moved; equipment operating parameters can be uploaded through a communication network, so that the supervising cost is reduced; the movable intelligent oil-water separating equipment is provided with a heating device which can be used for heating and insulating oil and water in the equipment, so that the collection and the drainage of kitchen oil are facilitated.

The invention provides a flower table type living aquatic resource proliferation reef. The invention is characterized in that the designed reef is composed of a progressive stair landing (1) frame structure, and is integrally of a flat top pyramid shape; each level stair landing (1) frame is provided with fixed flower pots (2); and the bottom of each fixed flower pot (2) is provided with a water leakage hole (3). The manufacturing method of the reef comprises the following steps: manufacturing each component mold; carrying out cast shaping or other machine-shaping; and assembling. The flower table type living aquatic resource proliferation reef provided by the invention is simple in structure and scientific in design, and is suitable for placing various nature water substances to promote the proliferation of aquatic animals and plants; the fixed flower pots are designed, thereby being quite favorable for the graft and amplification of various fixed type aquatic plants; and simultaneously, the flower table type living aquatic resource proliferation reef provided by the invention has the effects of proliferated aquatic plants and aquatic animals; the flower table type living aquatic resources proliferation reef has stronger practicability and convenience; further the water quality is improved, and the water environment is protected; and the flower table type living aquatic resources proliferation reefs are economical and practical, and are suitable for wide popularization.

The invention discloses a pipe expansion and drawing construction process for reorganization and expansion of a drainage pipe network. The construction process comprises the following specific steps that pre-troubleshooting is carried out; the application of road occupation, road breaking and removal is carried out; measurement and setting out as well as fence setting are carried out; blockage iscarried out; flow guiding is carried out; blockage removal is carried out; after pipeline cleaning is finished, the detection personnel carry out CCTV detection on the pipe section; pretreatment, roadbreaking, comprehensive pipeline check and verification and CCTV detection are carried out; a static pipe expansion method is adopted for construction, a hydraulic oil cylinder is used for providingthe tension traction for pulling a cutter and a pipe expansion head, the pipe expansion head is connected with a new pipeline, when the cutter cuts an old pipeline under pulling of a pull rod, meanwhile, the pipe expansion head extrudes the old pipeline, fragments enter the surrounding soil, and paving of the new pipeline is also completed; and site cleaning carried out. The pipe expansion and drawing construction process, comprising the steps, for reorganization and expansion of the drainage pipe network is adopted, so that the problem of replacement of plastic pipes which cannot be solved byother pipe expansion methods is solved, moreover, the process is the unique and feasible non-excavation method for updating a small pipe diameter plastic pipeline, meanwhile, the treatment pressure of a sewage plant is reduced, and the water environment is protected.

The invention discloses a biologically-active porous coarse-aggregate ecological bank-protecting matrix engineering material, comprising coarse aggregate, a binding material and a filling material, wherein the coarse aggregate is castaway slag; the binding material is a mixture of C60-or-above high-strength cement, sand, an additive and a binder; and the filling material is a mixture of soil, activated sludge, a water-retaining agent and fertilizer. The coarse aggregate and the binding material are mixed and then coagulated and molded with a mold so as to form a porous ecological bank-protecting matrix engineering material with n rhombic hollowed-out structures, and the filling material is added into pores and / or the rhombic hollowed-out structures. The ecological bank-protecting matrix engineering material designed in the invention can maintain substance and energy exchange among riverbanks, water bodies and natural environment, retains the water and soil of riverbanks, improve ecological vitality in waterfronts and river bottoms and realizes environmental protection ecology and landscape optimization.

The invention discloses a resourceful treatment method for high-salinity wastewater, comprising the following steps of: removing organic pollutants of organic high-salinity waste water by adopting a catalysis wet-type peroxide oxidation method; and oxidizing the content of total organic carbon (TOC) of the high-salinity wastewater to be below a maximum limit value of salt water which flows into an electrolytic cell of a chloralkali plant, so that the high-salinity waste water subjected to the catalysis wet-type peroxide oxidation treatment can be used as a raw material for producing chlorine and caustic soda in the chloralkali plant, so that resourceful utilization of the high-salinity wastewater can be realized.

The invention discloses an immobilized bacteria combined multi-component solid carbon source pellet and a preparation method thereof. The preparation method includes the following steps: (1) pretreating husks; (2) preparing a polyvinyl alcohol-sodium alginate-husk mixture; (3) adding manganese chloride and growth factors or the manganese chloride, sodium molybdate and the growth factors to the polyvinyl alcohol-sodium alginate-husk mixture to obtain a multi-component mixture; and (4) adding a bacterial suspension containing denitrifying bacteria to the multi-component mixture, and extruding the mixture of the bacterial suspension and the multi-component mixture to a CaCl2 solution for a cross-linking reaction to obtain the immobilized bacteria combined multi-component solid carbon source pellet. The immobilized bacteria combined multi-component solid carbon source pellet of the invention can provide a stable carbon source for low carbon-nitrogen ratio sewage, can realize a efficient and stable denitrification process, and has the advantages of maintaining the activity of immobilized bacteria for a long time, promoting the formation of a nitrate reductase and enhancing the nitrogenremoval efficiency of the immobilized bacteria.

The invention discloses an Amorpha fruticosa plant hedge constructing method for mountainous and hilly water source areas, and belongs to the technical field of non-point source pollution prevention and treatment and ecological engineering. The method comprises the following process steps: (1) land preparation: performing land preparation on an afforestation land and performing classification andsoil-loosening and weeding on the afforestation land, removing non-target tree species, and leaving a space for plant hedge construction; (2) plant hedge construction: during an afforestation season,choosing healthily-growing and high-quality Amorpha fruticosa seedlings, and planting the seedlings in a contour line segmentation manner from high to low along the direction perpendicular to the runoff; and (3) operation and management: performing tip-cutting and pruning on large Amorpha fruticosa seedlings, performing root repairing and mud soaking before planting, and performing water and fertilizer management, seedling protection, young forest management, and diseases and insect pests prevention and treatment after planting. The Amorpha fruticosa plant hedge constructing method for mountainous and hilly water source areas is rational in design, the Amorpha fruticosa plant hedge constructed by the method is conducive to intercepting pollutants, protecting the water environment of watersource areas, and effectively preventing and treating non-point source pollutions in the mountainous and hilly water source areas.

The invention discloses an industrial water body pollution source monitoring method based on wireless sensing. The industrial water body pollution source monitoring method comprises the following specific implementation steps: exploring and planning based on a sewage discharge source position of each industrial enterprise nearby a water body; checking each industrial enterprise and a sewage discharge source thereof, and identifying accordingly; placing a sewage detector at each sewage discharge source position, and recording the model of each sewage detector and the sewage discharge source of the enterprise corresponding to the sewage detector; and making a 'regional industrial water body pollution source monitoring system' by applying king view, and setting a water body pollution source exceeding threshold in the system. Compared with the prior art, the method disclosed by the invention has the advantages that real-time online monitoring can be carried out on the sewage discharge source of the enterprise by virtue of the sewage detector based on a wireless module when the method is adopted, original detection data is acquired, an exceeding threshold alarm is set, analysis and monitoring on influence of each enterprise on the water body are completed, supervision of related departments on sewage discharge of each enterprise is realized, and effective management on sewage of each enterprise is promoted, so that a water body environment is protected.

The invention discloses a solar fishing boat. The solar fishing boat comprises an impeller, a solar electroplax, a room, a mast, a cargo boom, a storage battery, a transformer, a propeller, an electric motor, a storage room, a corrosion-resistant board, a boat body and a deck, wherein the impeller is fixedly connected with the deck through a support post, the solar electroplax is fixedly mounted at the top of the room, an observing window is formed in the side surface of the room, a room door is mounted on the front surface of the room, a flag is mounted on the mast, the cargo boom is connected with the deck through a traction rope, the storage battery is arranged in the tail end of the boat body, the transformer is fixedly mounted at the top end of an electric motor compartment and positioned on the right side of the storage battery, the propeller is in rotating connection with the electric motor through a rotating shaft, the storage room is arranged in the boat body, and the corrosion-resistant board is fixedly mounted on the outer surface of the boat body. The solar fishing boat utilizes photovoltaic power generation and wind power generation to provide electricity for the electric motor, saves the use of fossil energy and protects the environment.

The invention discloses an oil-water separation and purification device for catering and a purification method of the oil-water separation and purification device, and belongs to the technical field of environmental protection equipment. The oil-water separation and purification device comprises a box body and further comprises a filter plate arranged in the box body, a motor, a spiral propeller , waterproof telescopic rods, a movable plate and an annular air bag ; the motor is mounted on one side, far away from the slag discharging opening, of the box body through a bracket; the spiral propeller is rotationally connected to the filter plate, and the end, far away from the slag discharging opening of the box body, of the spiral propeller is fixedly connected with the output end of a motor; the waterproof telescopic rods are mounted on the two sides of the lower end in the box body; the movable plate is connected into the box body in a sealed and sliding mode, the lower end of the movable plate is fixedly connected with the telescopic end of the waterproof telescopic rod, and an annular penetrating opening is formed in the movable plate; and the annular air bag is fixedly connected to the annular penetrating opening in a sealed mode. According to the oil-water separation and purification device , grease and residues in restaurant wastewater are removed, the oil-water separation effect is good, floating oil is convenient to remove, and purified water can be used for watering flowers, washing vehicles and the like.

The invention discloses a mobile type automatic treating, suction and removing device for gathered floating substances in water areas and belongs to the field of environmental engineering and equipment. A proper removing ship is selected in a water area where water area floating substances are gathered, and a roll type underwater shredder and a submersible helicon-centrifugal pump are mounted on aship bow below the water surface through universal hinges and fixed connecting parts. The upper edge of a horn-shaped feeding port of the shredder is slightly higher than the water surface, and the direction of the feeding port can be freely adjusted through universal hinges and a control rod. Through active chasing of the removing ship, the floating substances are gathered at the feeding port ofthe underwater shredder and smoothly broken by a working roll. A reducing discharging port of the shredder is connected with an inlet of the submersible helicon-centrifugal pump through a high-pressure wired hose, so that the broken water area floating substances are conveyed to a material treatment or discharge device by the submersible helicon-centrifugal pump for following tretament or recycling. The device can actively and efficiently treat various types of gathered water area floating substances, is beneficial to protection and treatment of water area environments, and has broad application prospects.

The invention discloses a ship domestic sewage treatment system. The system comprises a domestic sewage treatment device and a domestic sewage storage cabin, the domestic sewage treatment device is connected with a sewage inlet pipe, a sewage discharge pipe and a first ventilation pipe, and the sewage inlet pipe is connected with a living black water pipe system; the sewage discharge pipe is respectively connected with a shore-through discharge pipe, a sea discharge pipe and the domestic sewage storage cabin through the stop check valves, and a standard joint and a wave-proof valve are respectively arranged on the shore-through discharge pipe and the sea discharge pipe; the domestic sewage storage cabin is connected with a domestic sewage crushing pump, the outlet side of the domestic sewage crushing pump is respectively connected with the sewage inlet pipe, the shore-through discharge pipe and the sea discharge pipe through the stop check valves, and the domestic sewage storage cabinis connected with a second vent pipe. The system meets the laws and regulations at home and abroad, improves the functions of an original system, is convenient to transform, prolongs the storage timeof the ship domestic sewage, reduces the maneuvering sewage discharge time and frequency during ship anchoring and berthing, saves energy, reduces emission, reduces the cost of a ship owner, is greenand environment-friendly, and protects the water area environment.

The invention discloses a water channel drainage gate based on hydraulic engineering. The drainage gate comprises an entity, wherein the entity is internally provided with a water storage channel, theleft side of the water storage channel discharges water in the water storage channel through a drainage channel, the upper end surface of the drainage channel is fixedly provided with front-back symmetrical fixing plates, the fixing plate on the rear side is internally provided with a through groove which penetrates the front and back, a mounting block is fixedly arranged between the fixing plates, and an abutting block is fixedly arranged on the lower end face of the mounting block. According to the drainage gate, a gate opening can be closed through a lifting sealing plate, water in the water channel is prevented from flowing, a rotating device arranged on the sealing plate can provide power for the rotation of a cutting knife through the natural force of water flow, rotation of the cutting knife is used for cutting and crushing the solid garbage, and after the garbage is filtered through a recycling box, the garbage is uniformly output to the outside through a conveying device, sothat garbage pollution in the water channel is reduced, and the water environment is protected.

The invention discloses an LID (low impact development) type rainwater ditch and a design and calculation method for the same, and is applicable to various rainwater drainage ditches such as drainage ditches, farmland drainage ditches and floodwater drainage ditches on two sides of a slope and two sides of a road. The rainwater ditch comprises a ditch, storage dams, overflow ports, a rubble layer, a sandy soil layer, ecological slopes and the like. The sandy soil layer is laid on a bed of the ditch, the rubble layer is laid on the upper side of the sandy soil layer, and the storage dams are longitudinally continuously arranged along the ditch and are separated from one another by a certain distance, so that a series of reservoirs which are continuously distributed are formed along the ditch. The design and calculation method includes designing and calculating layout spacing of the water storage dams and the sizes of the overflow ports. The LID type rainwater ditch and the design and calculation method have the advantages that the LID type rainwater ditch has multiple functions of 'drainage, water storage, infiltration and decontamination', and is incomparable to a hard rainwater ditch only with a drainage function; the LID type rainwater ditch is high in water storage capacity and drainage speed which are deficient in a wetland bed type rainwater ditch; the rainfall flood runoff volume can be obviously reduced, the groundwater recharge can be improved, non-point surface pollutants of rainwater can be reduced, and environments can be beautified.

The invention discloses a preparation method of a penaeus orientalis feed attractant and belongs to the field of feed additive preparation. The preparation method of the additive comprises the following steps of activated culture, soybean meal solid state fermentation, Tenebrio molitor L. powder preparation and feed attractant preparation; the feed attractant is composed of the following components in parts by weight: 5-10 parts of folium perillae, 5-8 parts of Chinese honeylocust fruit, 5-7 parts of pericarpium citri reticulatae viride, 2-4 parts of ramulus cinnamomi, 5-7 parts of the Tenebrio molitor L. powder, 2-3 parts of fructus anisi stellati, 3-7 parts of radix paeoniae alba, 1-3 parts of berberis thunbergii var. atropurpurea chenault, 0.02-0.4 part of vitamin C, 0.01-0.08 part of vitamin K, 10-15 parts of fermented soybean meal and 5-8 parts of medical stones. The additive prepared by the preparation method can improve the immunity of penaeus orientalis, increase the growth speed of the penaeus orientalis, prevent and treat diseases, is liable to digest and is low in residual rate in water.

The invention discloses an underwater distributive PTV flow field measurement system and a measurement method thereof. The system comprises a river model, tracer particles, a set of smart cameras, a set of POE switches, a wireless router and a flow field computing system. The tracer particles are evenly distributed in water flows of the river model, the smart cameras are installed above the surfaces of the water flows of the river model, the smart cameras are connected with the POE switches, the POE switches are connected with the wireless router, the wireless router is communicated with a wireless local area network card, and the flow filed computing system is connected with the wireless local area network card. The invention further provides an underwater distributive PTV flow field speed measurement method based on wireless measurement. According to the method, an algorithm is embedded in the smart cameras for processing, the measurement speed is improved, measurement data can be directly output, and the technical problems that in the prior art, the quantity of output image data is large, wireless measurement cannot be achieved, and instantaneous measurement cannot be achieved due to low processing speed are solved.

The invention discloses a preparation method of fish meal-free soybean protein peptide feed for neritic fish and belongs to the technical field of feed preparation. The feed preparation method includes activated culture, solid-state fermentation of soybean meal, feed preparation and spray. The feed has a formula comprising the following components: corn flour, sesame paste residues, wheat bran, buckwheat husks, peanut vines, yam flour, fermented pork rib powder, salt, vegetable oil, white spirit with 52 DEG, extraction liquid of kaempferia galamga and clove, and water. The feed prepared through the method provided by the invention can promote the growth of the neritic fish and enhance the immunity of the neritic fish, facilitates digestion and absorption, can increase the survival rate ofthe neritic fish, does not contain fish meal, and has low cost, few anti-nutritional factors, high anti-oxidant capacity and a low residual rate in a water body.

The invention discloses a method for treating and recycling hot-rolling high-oil-containing waste water in iron and steel plant, and belongs to the technical field of waste water treatment. Oil-containing waste water from an oil house, a hydraulic pressure station and a lubrication station of a hot-rolling workshop and high-oil-containing waste water of a rear earth magnetic disk filtration sump are respectively lifted to a grid and a water distribution groove of a high-oil-containing waste water treating and recycling facility by a pump; the oil-containing waste water and the high-oil-containing waste water enter multifunctional oil residue separators after removing sundries with large volume in the waste water; and the two multifunctional oil residue separators alternately input water, purify, deposit, output water and output slag chronologically. The method has the advantages of: really realizing zero emission of the high-oil-containing waste water of the iron and steel plant, effectively protecting water environment, saving water resources, reducing overall investment of a project, reducing comprehensive operating cost, and realizing good economic benefit and social benefit.

The invention belongs to the field of environmental protection technology in the traffic industry and relates to a lorry cooling tank for expressway service areas. The lorry cooling tank comprises an oil separator, two sides of which are externally provided with an inspection well, a sedimentation basin and a cooling pond successively. The bottom of the cooling pond is provided with a water storage basin, which is connected to a hand-operated triple valve in the inspection well through a drainpipe. The drainpipe is provided with a water pump. The inspection well is communicated with the oil separator and the sedimentation basin at two sides through the drainpipe. The drainpipe which is communicated with the sedimentation basin is provided with the water pump. The sedimentation basin is communicated with the cooling pond through the drainpipe, which is provided with the water pump. Only one of the two cooling ponds is filled with cooling water. Inner surfaces of the oil separator, the sedimentation basin and the cooling pond are covered with a waterproof material. in comparison with the prior art, the invention has the following beneficial effect: by arranging two cooling ponds for the lorry cooling tank for expressway service areas, the two cooling ponds are used as a purification pond for each other, water in the cooling tank can be reused, and the surrounding water environment also can be effectively protected.

The invention discloses a direct discharge treatment method for high-salinity fracturing flow-back fluid, and relates to the technical field of oilfield sewage treatment. The invention aims to solve the problems that the treatment effect is poor, secondary pollution is easily caused and the treatment cost is high when the fracturing flow-back fluid is treated by adopting a single method at present. The method comprises the following steps: sequentially carrying out electrocatalytic oxidation treatment on the fracturing flow-back fluid to obtain the fracturing flow-back fluid subjected to electrocatalytic oxidation treatment, carrying out BESI biological treatment to obtain the fracturing flow-back fluid subjected to BESI biological treatment, then adding a fracturing fluid digesting agent, and performing reacting to obtain the fracturing flow-back fluid subjected to dosing treatment; carrying out ozone catalytic oxidation to obtain the fracturing flow-back fluid subjected to ozone catalytic oxidation, adding hydrogen peroxide and the silicon-aluminum carrier ozone catalytic filler during ozone catalytic oxidation, and finally carrying out two-stage filtration on the fracturing flow-back fluid subjected to ozone catalytic oxidation to complete direct discharge treatment of the high-salinity fracturing flow-back fluid. The direct discharge treatment method for the high-salinity fracturing flow-back fluid can be obtained.

The invention belongs to the technical field of exhaust gas treatment device, and discloses a filter device used for exhaust gas treatment. The filter device used for exhaust gas treatment comprises agas inlet pipe; the bottom of the gas inlet pipe is fixedly connected with a fixing block; the bottom of the gas inlet pipe is communicated with an opening arranged on the top of the fixing block; the lower part of the internal side wall of the opening is provided with a thread groove. The filter device is capable of solving problems in the prior art that treatment steps of dust in exhaust gas are complex, and waste resource is wasted. According to the filter device, cooperation of a first filter screen, a second filter screen, and a carbon rod is adopted, exhaust is introduced into the filter device through the gas inlet pipe, is delivered through the first filter screen and the second filter screen, and is introduced into a gas outlet pipe; under the cooperation of the first filter screen, the second filter screen, and the carbon rod, dust in exhaust gas is intercepted in the first filter screen, regular cleaning of collected dust is carried out, and complex subsequent dust treatment caused by water washing is avoided, it is convenient for removing of dust, water resource is saved, and water environment is protected.

The invention discloses a fishing boat wastewater treatment apparatus being convenient to move, which includes an upper platform, a lower box body, a flocculant box, and a stirring shaft. A water inlet trough of a first filter screen is formed in the upper platform. The lower box body has a cuboid structure of which a cavity is formed in the interior. The interior of the lower box body is dividedby separation boards to form a filter chamber and a crushing chamber. The water inlet trough has a rectangular structure, wherein an opening is formed in one short side thereof. A push board is arranged on the inner wall, which is symmetric to the opening, of the water inlet trough. The flocculant box is arranged on the lower end of the push board and in interior of the filter chamber. The flocculant box includes a pulling plate which is in sliding connection to interior of the flocculant box. A water outlet is formed on the lower end of the flocculant box and at the side wall of the lower boxbody, a fixed plate being installed on the inner side of the water outlet. The apparatus has reasonable structure, is convenient to move, has great applicability, and can be extensively promoted andapplied.

The invention relates to the field of algae removal purification, and particularly relates to a U-shaped algae recovery purification device for coupling algae removal. The device comprises a U-shapedfixed cylinder body, a shunting feeding pipe, a wastewater discharging pipe, an algae collecting pusher, an alga mud crushing stirrer and an alga mud recycling pipe with a valve; the shunting feedingpipe is fixedly connected to the upper part of the rear end of the U-shaped fixed cylinder body; the wastewater discharging pipe is fixedly connected to the lower part of the rear end of the U-shapedfixed cylinder body; the alga mud recovery pipe with the valve is fixedly connected to the lower part of the front end of the U-shaped fixed cylinder body; and the algae mud recycling pipe with the valve, the shunting feeding pipe and the wastewater discharging pipe all communicate with the inner part of the U-shaped fixed cylinder body. The device disclosed by the invention has the beneficial effects that a blue-green algae mixed liquid pumped by a water pump can be subjected to multi-stage separating filtration and collection, so that solid-liquid separation of the blue-green algae mixed liquid is realized. Meanwhile, the blue-green algae subjected by separating filtration and collection is conveyed out, and excessive blockage is prevented, so that the conveyed blue-green algae is crushed into paste and is fully recycled, the water environment is protected, and waste utilization is realized.

The invention discloses a filter-type sleeve net cage for freshwater aquaculture, which includes a frame plate, a U-shaped plate is fixedly arranged on the lower wall of the frame plate, and the side plates on both sides of the U-shaped plate are symmetrically fixed on the frame. At the center of the lower walls on both sides of the plate, two net cages are symmetrically fixed on the lower wall of the frame plate, and the two net cages are symmetrically arranged on both sides of the U-shaped plate, and the two net cages One side close to the U-shaped plate is provided with openings. The invention adopts spliced ​​net cages to drive fish and shrimp to one side of the net cage and quickly remove the other side of the net cage for cleaning. The problem of cleaning the cage ensures the cleaning frequency of the cage, which not only effectively avoids the problem of poor filtration effect caused by the clogging of the cage, ensures that the water quality in the cage is suitable for freshwater fish breeding, but also effectively avoids feed residue in the cage Long-term residues cause eutrophication of water bodies and protect the water environment.

The invention discloses a reservoir opening forest wetland construction method for pollutant interception and water quality purification and belongs to the technical field of non-point source pollution control and ecological engineering. The method comprises the following steps: 1) arrangement of plants, namely selecting seeds of trees suitable for local growth in a manner of adjusting measures tolocal conditions, and selecting the seeds of trees in different regions according to ground elevation partition by virtue of topography and landforms in a catchment area of the reservoir; 2) wetlandconstruction, namely selecting high-quality nursery stock growing strongly in an appropriate planting season, and sequentially performing partitioned planting from a higher elevation to a lower elevation according to moisture resistance of the plants; and 3) operating management, namely loosening the soil and weeding before afforestation, removing non-target seeds of trees, performing intermediatecutting and pruning remained trees; and performing water-fertilizer management, nursery stock protection, young tree management and pest control after planting. The reservoir opening forest wetland construction method for pollutant interception and water quality purification is reasonable in design. According to the method, the reservoir opening forest wetland is constructed, the pollutants are intercepted, the reservoir water environment is protected, and non-point source pollution in the catchment area is effectively controlled.

The invention discloses a method for batch identification and extraction of floating objects on inland water surfaces combined with vector rasters, which comprises the steps of: acquiring remote sensing images within the water surface range; classifying the remote sensing images within the water surface range, screening out the spots suspected of floating objects on the water surface and exporting , to obtain the surface layer of suspected floating objects; calculate the area of ​​each suspected floating object in the surface layer of suspected floating objects, and obtain the point layer of suspected floating objects; calculate the point layer of suspected floating objects The eigenvalues ​​of the non-water surface floating objects at each point; according to the eigenvalues ​​of the non-water surface floating objects, the misjudgment spots are eliminated, and the identification results of the water surface floating objects are extracted. Its remarkable effect is: making full use of the vector data spatial analysis technology and remote sensing raster data, it realizes the fast and accurate automatic identification of floating objects on the land and water surface in a large scale, and makes up for the foreign object identification method that only uses remote sensing images to identify floating objects. The defects of the same spectrum make the recognition accuracy higher.

The invention provides an assembled box-type house with a rainwater collection function. According to the assembled box-type house, matched parts matched with the structure of the assembled box-type house are designed, and devices such as a drainage pipe, a rainwater filtering device and a water storage tank are connected to guide, filter and collect rainwater. The problem of water resource collection in rainy seasons is solved, meanwhile, the problem that a rainwater pipe is prone to being blocked and difficult to clean can be solved, rainwater can be filtered more effectively, and purified recyclable water is obtained. According to the assembled box-type house, the problems of easy blockage, difficult cleaning, high maintenance and replacement cost and the like of a downcomer in the drainage process of the assembled box-type house are solved; the assembled box-type house is simple and easy to machine and can be recycled; the assembled box-type house is easy to mount and dismount andconvenient to maintain and replace; and natural rainwater is directly collected, filtered, stored and then fully utilized, the rainwater quality is improved, the urban water environment is protected,and urban water is saved.

The invention discloses a siphon squatting bowl with water-saving and high pressure, comprising toilet cleaner, of which at the back sewage discharging port is set, characterized in that the pipe of flushing protection is set at the outside of said toilet cleaner, on the sewage discharging port one or more than one flushing port is set, and flushing port is connected with the pipe of flushing protection. The invention solves the disadvantage that abundance water is used to flush the toilet so as to deluge sewage in conventional squatting bowl and achieves the purpose of saving water, protecting water quality and entironment. It is provided with low coat, convenience usage and good expansion value.