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 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 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 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 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 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 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 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 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 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.