1621results about "Biological treatment apparatus" patented technology

A sewage treatment system based on aerobic granular sludge is disclosed, which includes a sewage treatment tank (1), a water distribution and aeration integrated mechanism and a water distribution and aeration switching control mechanism. The sewage treatment tank (1) includes a tank body (11), a top cover (13) is fixedly connected to a top opening of the tank body (11), and a clear water overflow port is arranged at a top side of the tank body (11). The water distribution and aeration integrated mechanism includes a first slip ring (21), a limit water retaining sleeve (220) is fixedly connected to an inner bottom of the tank body (11) through a water retaining sleeve mounting assembly, and a mixing section (212) of a water distributor body is vertically and slidably connected in the limit water retaining sleeve (220).

The invention relates to the technical field of sewage treatment, and discloses a water treatment device based on biological ribbons, the water treatment device comprises a first treatment tank and a second treatment tank, the top of the second treatment tank is fixedly connected with a mounting rack, a plurality of ribbon parts are equidistantly mounted on the mounting rack, and aeration parts are mounted on the ribbon parts; according to the biological ribbon suspension device, the motor drives the vertical rotating shaft to rotate, drives the first fixing sleeve and the first eccentric shaft to rotate, and drives the second eccentric shaft through the transmission rod to enable the vertical rotating pipe to rotate in a reciprocating manner, so that the mounting cross rod and the biological ribbon are driven to swing in a reciprocating manner; the contact area of the biological ribbons and sewage is greatly increased, microbial flora can better adsorb and degrade pollutants in the sewage, the sewage treatment effect is remarkably improved, rotation and retention of the vertical aeration pipe are alternately carried out, the water mixing effect is enhanced, sufficient mixing of dissolved oxygen, nutrient substances and microorganisms is promoted, and the sewage treatment effect is improved. The self-cleaning capacity and the treatment efficiency of the water body are improved.

The invention provides a low C / N sewage nitrogen and phosphorus removal method based on MABR-DPR-anaerobic ammonia oxidation, which couples anaerobic, membrane aeration anoxic and anaerobic ammonia oxidation processes, forms an anoxic environment in a water phase of a membrane aeration reactor, and enriches denitrifying phosphorus-accumulating bacteria. And the anaerobic phosphorus release and anoxic denitrification nitrogen and phosphorus removal processes of the denitrifying phosphorus-accumulating bacteria are realized through the backflow of the sludge between the anaerobic tank and the membrane aeration reactor. Nitrite accumulated in effluent of the membrane aeration reactor supplements an electron acceptor for a subsequent anaerobic ammonia oxidation deep denitrification process, and meanwhile, a carbon source is obviously consumed in an anoxic denitrification nitrogen and phosphorus removal process of the membrane aeration reactor, so that inhibition of influent organic matters on an anaerobic ammonia oxidation process is effectively weakened. The process solves the problem that the carbon source is seriously insufficient in the nitrogen and phosphorus removal process of the low C / N sewage, and the stable and efficient nitrogen and phosphorus removal effect can still be maintained under the condition that an external carbon source is not needed.

The invention relates to the technical field of sewage treatment, in particular to a method for improving the denitrification nitrogen removal performance of a corn or rice straw fermentation carbon source by using industrial glucose. According to the method, the straws are soaked and pretreated by adopting calcium peroxide, and meanwhile, in the anaerobic fermentation process, the anaerobic condition is kept through nitrogen, and zero-valent iron is added to obtain the straw fermentation liquor. Fermentation liquor and industrial glucose are mixed to serve as a composite carbon source, the activity of microorganisms in a sludge system is stimulated through the usability of the glucose, and the utilization rate of the microorganisms to the rice and corn fermentation liquor carbon source is increased; anaerobic fermentation conditions of rice and corn straws are optimized, the carbon source release rate is increased, the complexity of carbon source composition of fermentation liquor is utilized, the diversity of microorganisms is improved, excessive propagation of the microorganisms is avoided, and the biological denitrification capacity is improved. The method disclosed by the invention is beneficial to resource utilization of agricultural wastes, reduces the biological denitrification cost of sewage with a low carbon-nitrogen ratio, and promotes green and low-carbon development of sewage treatment.

The invention discloses an efficient-purification phycomycete co-culture sewage treatment device, and relates to the technical field of sewage treatment devices, the efficient-purification phycomycete co-culture sewage treatment device comprises a sewage treatment box, a filter box and a filter tank, and the filter box and the filter tank are located on the two sides of the sewage treatment box respectively. The stirring mechanism drives the stirring shaft to perform compound motion, namely revolution, rotation and longitudinal reciprocating, so that three-dimensional turbulence is generated to strengthen contact of sewage and phycomycetes, the purification efficiency is improved, the gas-liquid interface dissolved oxygen rate is synchronously enhanced, natural light fluctuation is simulated, and the luminous energy absorption and metabolic activity of the phycomycetes are promoted; the light supplementing mechanism revolves along with the stirring shaft to form a 360-degree dynamic illumination field, illumination blind areas are eliminated, the uniformity is improved, day and night alternating light period simulation is combined, the oxygen production of algae is improved, the sewage purification efficiency is further improved, a power source is shared, and energy consumption is reduced. The cleaning mechanism reduces the blocking risk of the filter screen through a bidirectional cleaning brush, deep dirt centrifugally falls off to a detachable collecting screen frame, the service life of the filter screen is prolonged, and the dirt cleaning interval is increased.

The invention discloses a water treatment device of an MABR membrane aeration bioreactor and a treatment method of the water treatment device, and relates to the field of sewage treatment.The water treatment device comprises a vertical frame body, oxygen permeation membranes are evenly arranged in the vertical frame body, and first communicating pipes are arranged at the front ends and the rear ends of the oxygen permeation membranes; the surface of the first communicating pipe at the rear end fixedly communicates with a first conveying pipe, the first communicating pipe is used for conveying oxygen to the oxygen permeation membrane, the first communicating pipe is connected with the vertical frame body through a movement assembly, and through double-form switching of the movement assembly, the oxygen permeation membrane is driven to conduct cyclic twisting and swinging, so that the oxygen permeation membrane is driven to conduct oxygen permeation. The contact of oxygen between the surface of the oxygen-permeable membrane and the microbial biological membrane is enhanced, the oxygen utilization rate is increased, the motion state of the membrane is dynamically adjusted, the self-cleaning capacity of the membrane is enhanced, and sludge deposited on the outer surface of the oxygen-permeable membrane is digested while the acceleration mechanism continuously swings at the bottom of the oxygen-permeable membrane to accelerate the contact of the oxygen-permeable membrane and pollutants in water.

The invention discloses a multifunctional water quality purification filler and a riverway in-situ treatment ecosystem, and belongs to the technical field of water quality purification, the multifunctional water quality purification filler comprises a bottom plate, the bottom plate is provided with a treatment assembly and a replacement assembly, through combination of a plurality of treatment cavities and different purification fillers, multi-stage continuous purification of riverway water is achieved, and the treatment efficiency is improved. The water quality treatment effect is remarkably improved, it is ensured that the effluent quality is stable and reaches the standard, the design of a semicircular sieve plate and a replacement assembly is adopted, the filler replacement process is automatic, rapid and accurate, system operation does not need to be interrupted, and the maintenance difficulty and time cost are greatly reduced. Immediate purification of river water is achieved through in-situ treatment, the tedious process that a water body needs to be transferred in traditional treatment is avoided, by arranging a locking unit and a switching gear, the stability of filler in operation is ensured, meanwhile, the switching operation of the filler is simplified, and the reliability and operation convenience of the system are improved.

The invention provides assembly type integrated sewage treatment equipment for environmental emergency treatment, which is applied to the field of sewage treatment, and comprises an assembly type stepped assembled wetland system, an in-situ filler regeneration system and an ecological filler regeneration system, the wetland system comprises a wetland box, a purification mechanism is arranged in the wetland box, the wetland box comprises an inner box, and an outer box is arranged in the inner box; a plurality of parallel and inclined filler columns are arranged in the inner box, each filler column comprises a columnar reticulated shell, filler and flexible spiral blades are arranged in the columnar reticulated shell, the purification mechanism further comprises a side plate, the assembly type assembly design is adopted, all the systems can be rapidly connected and installed, the deployment time in an emergency scene is greatly shortened, the design of the filler columns is convenient, and the service life of the system is prolonged. Impurities and pollutants in sewage can be effectively intercepted and filtered, the arrangement of a rotating structure of the filler column and the flexible spiral blades can promote the uniformity of filler biofilm formation, and the treatment efficiency is improved; meanwhile, the grid box, the aeration box, the settling box and the like work cooperatively, so that multi-stage treatment of the sewage is realized.

The present invention discloses an artificial natural wetland system and its purification method. Among them, the artificial natural wetland system includes an artificial ecological channel, an artificial plant ecological pond, and an artificial substrate ecological pond; wherein, the artificial ecological channel includes a flow channel and a valve arranged on the flow channel; the artificial plant ecological pond includes a plant pond and a water inlet and a water outlet respectively located on opposite sides of the plant pond; the water inlet is communicated to the flow channel; the plant pond includes a shoal area and a deep water area, the shoal area is planted with emergent plants, and the planting density is 10 - 30 plants / m²; the deep water area is planted with submerged plants, and the submerged plants cover 30 - 50% of the water surface area of the plant pond, and the biomass of the planted submerged plants is 2000 - 9000 g / m²; the artificial substrate ecological pond is communicated with the water outlet of the artificial plant ecological pond; the present invention can effectively provide the carbon source required for the denitrification of microorganisms without supplementing external carbon, and improve the nitrogen removal efficiency.

A system for reconditioning contaminated water includes a plurality of filter tanks, each filter tank configured to hold a media mixture comprising media particles to which contaminants adhere when the contaminated water is pumped through the filter tanks and a feed water pump to pump the contaminated water through the plurality of filter tanks. The plurality of filter tanks are configured to form a multistage filter system for filtering the contaminated water at different contaminant particle sizes, and the feed water pump pumps the contaminated water through the multistage filter system in a continuous manner during a normal filtering mode.

The invention relates to a biological membrane sewage treatment method and device based on aeration on-off time intelligent regulation and control. The method comprises the following steps: sewage pretreatment: adding a flocculating agent into sewage of a flocculation device, stirring by stages, standing and precipitating, settling and separating floc, and enabling supernatant obtained by separation to enter a membrane bioreactor through a first water outlet device; aeration treatment: adopting an intermittent aeration mode to carry out cycle aeration on the supernatant conveyed by the first water outlet device; membrane separation treatment: pumping the sewage subjected to aeration treatment into a second water outlet device from the membrane bioreactor under the negative pressure pumping action of a centrifugal pump so as to realize the separation of the sewage and pollutants, and regulating and controlling the aeration on-off time according to the composition characteristics of microbial communities in the process of performing aeration treatment in an intermittent aeration mode so as to realize the aeration treatment. The invention relates to a method for optimizing the relative abundance of part of phylum and reducing the accumulation of extracellular polymeric substances and soluble microbial products. The device comprises a flocculation device, a membrane bioreactor and a control unit.

The invention provides a continuous flow aerobic sludge granulation screening device and application. The whole structure of the device is divided into an upper part and a lower part; the upper part adopts a cylindrical or cubic structure, the lower part adopts an inverted conical structure, and the height-diameter ratio range is 1-10. The internal structure of the device is sequentially divided into an outflow area, a buffer area, a settling area and a sludge storage area from top to bottom. The hydraulic surface load range in the device is 1-9 m < 3 > / (m < 2 >. H). Wherein sludge separation facilities are arranged in the buffer area of the device, comprise but are not limited to inclined plates, inclined pipes, filter materials, baffles and the like, and are used for separating light floc and high-density coagulated sludge. The device can be directly mounted between a main flow biological reaction tank and a secondary sedimentation tank in a continuous flow sewage biological treatment process flow, and high-density sludge is screened through a sedimentation velocity selective pressure principle and a physical interception effect of a buffer area and is stably formed into granular sludge; the rapid transformation from flocculent sludge to granular sludge in a continuous flow biological sewage treatment process is realized.

The invention relates to the technical field of sewage treatment, in particular to a low-temperature concentration and biological enhancement coupled denitrification sewage treatment system which comprises a low-temperature concentration section and a biological enhancement section, the biological enhancement section is composed of an aerobic tank and an anoxic tank, three fixing plates are fixedly connected to one side of the inner wall of the aerobic tank, and three sliding plates are arranged on the other side of the inner wall of the aerobic tank; the invention further relates to a using method of the denitrification sewage treatment system coupling low-temperature concentration and biological enhancement, through arrangement of structures such as an adjusting plate, a straight plate, an F-shaped frame and an adjusting mechanism, when the retention time of sewage in an aerobic tank needs to be adjusted, the vertical adjusting plate can be quickly turned over to be in a transverse flat state, so that the sewage in the aerobic tank can be quickly adjusted; sewage passing between the adjusting plate and the fixed plate and between the adjusting plate and the sliding plate is changed into an S-shaped flow path from an original direct flow path, so that the treatment reaction time of the sewage in the aerobic tank is prolonged, and meanwhile, the side aeration of the bulkhead and the original bottom aeration assembly structure in the aerobic tank are added, so that more dead angles are avoided, and the treatment effect of the device is improved.

The invention relates to the technical field of coal gas water treatment, and discloses a purification treatment system for coal gas water after coal gasification, which comprises a pretreatment tank, a biochemical treatment tank is arranged on one side of the pretreatment tank, a deep treatment tank is arranged on one side of the biochemical treatment tank, a pipe frame is arranged in the biochemical treatment tank, and the pipe frame is arranged in the deep treatment tank. Membrane filaments are arranged in the pipe frame. In the coal gas water treatment process, when the membrane wires are broken, two-stage plugging of the pipeline can be achieved, so that the coal gas water which is sucked into the membrane wires due to the fact that the membrane wires are broken and not filtered cannot enter the transverse pipe, the coal gas water cannot enter the pipe frame to pollute the pipe frame and the transverse pipe, the plugging effect is good through two-stage plugging of the pipeline, and the sealing effect is good. The anti-pollution effect on the pipe frame and the transverse pipe is improved, it can be guaranteed that no impurity is accumulated at the end of the circular ring before plugging is conducted, and a pipeline can be better plugged in cooperation with a plugging ball without impurity accumulation.

The invention provides an anti-freezing artificial wetland system in a cold region and a temperature control method thereof. The system comprises a vertical flow artificial wetland; a water collecting pipe is arranged at the bottom of the vertical flow constructed wetland and is filled with filler; the water collecting pipe is communicated with a water level adjusting pipe which is vertically arranged, and the water level adjusting pipe comprises at least two water level pipes with different heights. The filler sequentially comprises a zeolite layer, a steel slag-peat mixed layer and a volcanic rock-quartz sand layer from top to bottom. Plants with deep roots and plants with shallow roots are planted in the vertical flow constructed wetland; a water level sensor for measuring the height of the water level, an ice layer sensor for measuring the thickness of an ice layer and an air sensor for measuring the thickness of an air layer between the ice layer and the water surface are arranged in the vertical flow constructed wetland. According to the system provided by the invention, the anti-freezing performance of the constructed wetland system can be remarkably improved, the activity of microorganisms is guaranteed, and the sewage treatment effect and the operation efficiency are improved.

A mainstream anaerobic ammonia oxidation enhanced denitrification device and method based on a fluidized bed biofilm. By arranging reaction tanks, switching of two operation modes can be achieved, and recovery of instability in starting and running periods is completed. A denitrification pathway comprises: implementing denitrification and partial denitrification-anaerobic ammonia oxidation synergy in an anoxic zone; and implementing nitrification, synchronous nitrification and denitrification, and partial nitrification-anaerobic ammonia oxidation synergy in an aerobic zone. Implementation of anaerobic ammonia oxidation for denitrification in the anoxic zone or the aerobic zone requires first enhancement of an aerobic biofilm, enhancement of the thickness of the biofilm under the action of high DO, and formation of an internal anoxic / anaerobic layer, thereby providing conditions for enrichment of anaerobic ammonia oxidizing bacteria.

A rapid granular sludge cultivation apparatus and a method for a continuous flow anaerobic ammonium oxidation denitrification process. The apparatus comprises: a raw water tank (1), a chemical dosing tank (2), a bioreaction pool (3) and a secondary sedimentation pool (4); the bioreaction pool (3) is provided with a built-in sedimentation three-phase separation pool (3.8) and blank filler material (3.3). The apparatus can utilize low DO, FA and FNA inhibition to achieve shortcut nitrification of ammonia nitrogen in high ammonia and nitrogen wastewater; in addition, the gradient change of ammonia and nitrogen concentration in each compartment and the continuous circulation sludge are strengthened, so that the shortcut nitrification reaction can be stably maintained, shortcut nitrification efficiency is enhanced, and the resistance of the system to low-temperature shock is improved. In addition, the bioreaction pool (3) is provided with the built-in sedimentation three-phase separation tank (3.8), and by means of configuring different surface loads and upflow velocities, gas-liquid-solid three-phase separation in each compartment can be achieved, and large granular sludge can be effectively retained while flocculent sludge is washed out, achieving the effect of sludge screening. The apparatus can achieve efficient nitrogen removal and relatively rapid formation of anaerobic ammonium oxidation granular sludge.

The invention discloses a biological denitrification device and a denitrification method for sewage with a low carbon-nitrogen ratio. The denitrification device comprises a raw water tank, a bioreactor and a secondary sedimentation tank which are connected in sequence, wherein the bioreactor sequentially comprises an anaerobic zone, a swing zone, an anoxic zone and an aerobic zone; the swing area is provided with four stages of reaction tanks which are arranged in a split mode, and the dissolved oxygen concentration and the hydraulic retention time of each stage of reaction tank are adjusted based on the inflow water quality. When the system disclosed by the invention is used for treating sewage with a low carbon-nitrogen ratio, an exogenous carbon source does not need to be added through a specific technological process, so that the operation cost of the system is remarkably reduced, and efficient biological phosphorus removal can be realized while the nitrogen removal efficiency is remarkably improved.

The invention discloses a tubular dynamic membrane sulfur autotrophic denitrification device and method, the device comprises: a housing, which is composed of a middle cylindrical structure and two end hemispherical structures, the upper part of the cylindrical structure is provided with a purified water outlet, the lower part is provided with a backwashing port, and the top end of the hemispherical structure is respectively provided with a sewage inlet and a concentrated liquid outlet; the plurality of supporting bodies are arranged in parallel, each supporting body is composed of two layers of honeycomb-shaped PVC grids and a layer of polypropylene net, and the polypropylene net is clamped between the two layers of honeycomb-shaped PVC grids; the two splitter plates are fixed to the two ends of the supporting body respectively, and splitter holes corresponding to the supporting body are formed in the splitter plates; a large-aperture polypropylene net is used as a filtering support body, and powdered sulfur is used as a precoating agent, so that the problems of difficulty in powdered sulfur recovery and serious loss in the traditional sulfur autotrophic process are solved; meanwhile, sulfur powder with a certain particle size is used as a dynamic membrane reactor of a precoating agent, nitrate nitrogen can be efficiently removed, the effluent quality is improved, and meanwhile the dynamic membrane reactor has the advantages of being resistant to pollution and easy to clean.

The invention relates to an anti-impact biological membrane purification device for river and lake water bodies. The problems that in the prior art, a biological membrane bed is poor in impact resistance, and a biological membrane is prone to falling off due to high-speed water flow are solved. The device comprises a floating carrier frame, the lower end of the floating carrier frame is connected with a foldable biological membrane assembly, the lower side of the floating carrier frame is connected with a floating and sinking adjusting mechanism, the floating carrier frame is provided with a flow velocity sensor used for detecting the flow velocity of a water body, and the flow velocity sensor is connected with a control module. And the control module is respectively connected with the foldable biological membrane assembly and the floating and sinking adjusting mechanism for controlling signal transmission. The device has the advantages that the dynamic deformation adjustment of the biological membrane main body under high-speed water flow is realized, the falling risk of the biological membrane main body caused by hydraulic impact is obviously reduced, and the practical effect is good.

An ex situ electrokinetic system and method for decontaminating soils and other fine-textured media, including salt-contaminated soil, is disclosed. The system consists of a series of unit processes that continuously remove inorganic and organic contaminants yielding a final decontaminated product. The initial soil conditioning unit process produces a homogenous slurry saturated with a customised electrolyte. The next unit process uses electroosmosis and electromigration along with hydraulic pressure to move electrolyte and dissolved ions through the slurry. The contaminants are released into the electrolyte and are removed at the cathodes. The last unit process removes residual electrolyte and contaminants producing a final product suitable for land application or other uses.

The invention discloses a composite artificial wetland system, and relates to the technical field of artificial wetlands. The composite artificial wetland system comprises an ecological pool, and a surface flow wetland unit, a horizontal subsurface flow wetland unit, an internal circulation system unit and plant ecological buffer zone units around the wetland are arranged in the ecological pool; the surface flow wetland unit comprises a wetland water inlet pipe and a wetland water outlet pipe which are arranged on the two sides of the ecological pool respectively, a gravel layer and a medium-coarse sand planting layer are sequentially stacked and laid at the bottom of the ecological pool, and a submerged plant vallisneria natans community is planted on the medium-coarse sand planting layer; the invention solves the problems of single function, low treatment efficiency and the like of the traditional constructed wetland, has the advantages of prominent denitrification effect, good phosphorus removal and suspended matter interception effect, strong impact load resistance, low cost, easiness in maintenance, ecological friendliness, landscape fusion and the like, also has the advantages of initial rainwater interception and the like, and is wider in application range.

The invention discloses a device and method for efficiently purifying and lifting a water body based on aquatic plants, and relates to the technical field of water body treatment. The device comprises a frame, a water body purification mechanism is arranged in the middle of the frame and used for planting aquatic plants, and the water body purification mechanism comprises a lifting assembly which comprises an inner shell fixedly installed in the middle of the frame, and two symmetrically-distributed rotating shafts are rotationally installed in the middle of the inner shell; the waterproof motor drives the rotating shaft to rotate, the driving bevel gear and the driven bevel gear are driven to be in meshing transmission, the screw rotates synchronously, then the fixing frame and the planting platform are pushed to move up and down, and the root soaking depth can be dynamically adjusted according to aquatic plant varieties such as emergent aquatic plants and submerged plants or water level changes; the plant root system is ensured to fully contact with the polluted water body to efficiently absorb pollutants such as nitrogen and phosphorus, and meanwhile, plant submerging caused by too high water level or root system dehydration caused by too low water level is avoided, so that the purification efficiency is remarkably improved.

The invention discloses a green and low-carbon constructed wetland thermal insulation system capable of realizing intelligent control. The system comprises a modular wetland unit, a hydroelectric generation module, a thermal insulation heating module, an intelligent control module and an energy storage and standby power supply module, the modularized wetland unit comprises a modularized shell as well as a plant covering layer, a water inlet layer, a wetland bed layer and a water outlet layer which are positioned in the shell and are sequentially arranged from top to bottom; the hydroelectric generation module is mounted on one side of the modularized wetland unit and comprises a water power module shell and a turbine pipeline type hydroelectric generator; electric energy output by the turbine pipeline type hydroelectric generator is supplied to the heat preservation heating module or stored in the energy storage and standby power supply module for standby application; the heat preservation heating module comprises a heat conduction layer arranged at the bottom of the modular shell and located below the water outlet layer, and an electric heating plate located below the heat conduction layer. The intelligent control module is used for analyzing the running state of the wetland in real time and dynamically optimizing the power generation and heating modes. The energy consumption can be reduced, and efficient and stable operation can be achieved.

The invention relates to a dynamic membrane module device with an automatic cleaning system and a cleaning method thereof, the dynamic membrane module device comprises a mounting rack, a membrane frame for fixing membranes and the automatic cleaning system, the membrane frame and the automatic cleaning system are detachably fixed on the mounting rack, the membranes are respectively fixed on the two outer surfaces of the membrane frame, so that the membrane frame and the membranes jointly define an internal space, and the internal space is arranged in the internal space. The bottom of the membrane frame is provided with a bottom cover and at least one bottom cleaning port communicated with the internal space, and the bottom cleaning port is opened or closed by the bottom cover; the automatic cleaning system comprises a driving device, an aeration cleaning device and a control unit, the driving device is used for driving the bottom cover to open or close the bottom cleaning opening; the aeration cleaning device is used for washing the inner surface of the membrane when the bottom cleaning opening is opened; and the control unit is respectively connected with the driving device and the aeration cleaning device and is used for controlling the working states of the driving device and the aeration cleaning device according to the membrane detection result. The inner surface and the outer surface of the diaphragm can be aerated and cleaned without disassembly, and the abrasion risk of the diaphragm is reduced.

The invention discloses a constructed wetland construction method for tail water lifting of an urban domestic sewage treatment plant, and particularly relates to the technical field of sewage treatment, and the constructed wetland construction method comprises the following steps: S1, landform reconstruction and diversion system construction; s2, layered construction of the composite anti-seepage structure; s3, precise configuration of gradient plants; s4, constructing an anti-impact hydraulic system; s5, establishing an ecological cooperation system; and S6, implementing a dynamic operation and maintenance mechanism. Uniform distribution of water flow is achieved through optimization of a flow guide structure, long-acting anti-seepage is guaranteed through a composite anti-seepage layer, gradient plant communities construct a three-dimensional purification network, the pollutant removal efficiency is remarkably improved, an anti-impact system is integrated with an intelligent regulation and control module, water quantity fluctuation of 30% or above can be rapidly responded, and the water quality is improved. The three-level ecological cooperation system realizes pollution interception-deep purification-ecological restoration whole process control, and the intelligent operation and maintenance system improves the management precision by three times and reduces the operation cost by more than 40% through a real-time monitoring and prediction model.

The invention relates to the technical field of water pollution treatment equipment, and discloses glyphosate production sewage treatment equipment based on biological treatment.The glyphosate production sewage treatment equipment based on biological treatment.The glyphosate production sewage treatment equipment based on biological treatment.The glyphosate production sewage treatment equipment based on biological treatmentcomprises a treatment tank, a water distributor fixedly arranged at the top of an inner cavity of the treatment tank and a supporting ring rotationally arranged in the middle of the inner cavity of the treatment tank; a water outlet is formed in one side of the bottom of the treatment tank in a communicating manner, a biological membrane is mounted on the inner side of the supporting ring, and iron particles are mounted in the biological membrane in an embedded manner; the response characteristic that iron particles are embedded in an elastic biological membrane is utilized, local deformation of the biological membrane is induced through attraction of an electromagnet, membrane holes generate a stretching effect, blocking substances such as colloidal substances and flocculates attached to the membrane holes are effectively loosened and stripped, and the blocking substances are effectively removed by combining rotation of the biological membrane and dynamic cleaning of the water spraying assembly. The double blockage removal mechanism of physical deformation and hydraulic scouring is achieved, and compared with a traditional static cleaning mode, the blockage removal efficiency is higher.

The invention provides a temperature control enhanced biological electrodialysis ammonia recovery system and a recovery method. The recovery system comprises a microbial electrodialysis cell and an ammonia recovery unit, the microbial electrodialysis pool comprises a pool body, a cation exchange membrane, an anode chamber, a cathode chamber, an anode, a cathode, a power supply and a temperature control piece; the anode chamber is provided with an anolyte inlet and an anolyte outlet, and the cathode chamber is provided with a catholyte inlet and a catholyte outlet; the anode chamber is filled with ammonia-nitrogen wastewater to be treated, and the cathode chamber is filled with catholyte; the temperature control piece can control the temperature in the anode chamber and the cathode chamber for heating; the ammonia recovery unit comprises an absorption tank and a membrane assembly; the absorption tank is filled with acidic absorption liquid; membrane filaments of the membrane assembly are soaked in the acid absorption liquid, the membrane assembly is provided with an inlet end and an outlet end which are communicated with the membrane filaments, the inlet end is connected with the catholyte outlet, and the outlet end is connected with the catholyte inlet. According to the ammonia recovery system disclosed by the invention, the removal and recovery efficiency of ammonia nitrogen can be remarkably improved through a reasonable regulation and control mode, and the ammonia nitrogen recovery efficiency is optimized.

The application relates to a coking wastewater advanced treatment device, which comprises an aerobic tank, a horizontal shaft is arranged in the aerobic tank along the water flow direction, a plurality of coaxial rotating discs are arranged on the shaft at intervals, the rotating disc is hollow, the surface of the rotating disc is hollowed out, and the rotating disc is filled with bacteria culture fillers; a screw rod is arranged at the bottom of the inner side of the aerobic tank, the screw rod is parallel to the shaft, the same side ends of the shaft and the screw rod pass out of the aerobic tank, and the passing-out end of the shaft is in transmission connection with the passing-out end of the screw rod; a sludge discharge pipe is arranged at the bottom of the side wall of the aerobic tank, a vertical scraper is arranged at the bottom of the inner side of the aerobic tank, screw holes are arranged on the scraper, and the screw rod is matched with the screw holes. The bacteria film and the attachments on the surface of the fillers can be stripped through mutual collision and friction between the fillers, so that water flow exchange in and out of the fillers is smoother.

The present utility model relates to the technical field of wastewater treatment. Provided is an agricultural water pollution treatment device based on microorganisms. The utility model comprises a treatment box, wherein a precipitation tank is slidably connected to the interior of the treatment box; a separation mechanism is provided outside the treatment box, and the separation mechanism comprises a mounting housing; a separation sieve cylinder is rotationally connected to the interior of the mounting housing; and a connecting rod is fixedly connected to an end of the separation sieve cylinder, and the connecting rod penetrates the mounting housing and is rotationally connected to the mounting housing. In the present utility model, by means of the provision of components such as the precipitation tank, the separation sieve cylinder, a collection box and a scraping plate and by means of the transmission fit relationship between the separation sieve cylinder and a conveying rotating rod, the separation mechanism is enabled to perform solid-liquid separation on a treated water body, such that secondary pollution to the treated water body caused by long-term contact of same with a degradation substance is avoided, thereby effectively improving the purification treatment effect of the device on agricultural water pollution, and reducing the waste of water resources.