219results about "Cesspools" patented technology

The invention belongs to the technical field of sewage treatment and comprehensive utilization of water resources, and particularly relates to a reclaimed water reuse and rainwater collection and utilization system in an expressway service area. A sewage treatment, rainwater collection and water-saving irrigation integrated system is constructed, and the MBR process is emphatically applied to treat sewage. The system can effectively remove various pollutants in the sewage, so that the effluent reaches the reclaimed water reuse standard, and the sewage recycling is realized. Meanwhile, rainwater is efficiently collected and utilized, and the water demand of vegetation is accurately met in combination with an intelligent water-saving irrigation technology. The dependence of the service area on fresh water resources is reduced on the whole, the pollution of sewage discharge to the environment is reduced, the water resource management level is improved, remarkable economic, social and environmental benefits are achieved, and an innovative scheme is provided for sustainable utilization of the water resources in the small service area of the expressway.

The utility model discloses a BIM building assembly type sewage pool which is characterized in that first L-shaped blocks and second L-shaped blocks are fixedly arranged at four corners of the top of a bottom plate, L-shaped plates are vertically and movably arranged between the four first L-shaped blocks and the four second L-shaped blocks, and side plates are vertically and movably arranged between every two of the four L-shaped plates; four L-shaped plates are respectively placed among four first L-shaped blocks and four second L-shaped blocks, four side plates are downwards inserted between every two of the four L-shaped plates, so that a sewage pool is formed by the four side plates and the four L-shaped plates, a movable plate is pushed to drive a movable rod to be clamped into a first fixed plate and a second fixed plate, and the movable plate is pushed to drive the movable rod to be clamped into the first fixed plate and the second fixed plate. The four side plates and the four L-shaped plates are further fixed to the bottom plate, so that the assembly type sewage pool is conveniently and rapidly assembled, the assembly process is simple and convenient, no bolts or other parts are needed for fixation, meanwhile, subsequent disassembly of the assembly type sewage pool is facilitated, and time and labor are saved.

A method of operating a septic system to facilitate maintenance and avoid damage to property and / or the environment. A septic system that collects and monitors data to provide information to a user about the nature of a problem condition, or to warn a user of potential problems in advance, or to recommend courses of action to avoid costly repairs, or property damage, or damage to the environment.

The invention relates to an expressway service area water resource comprehensive utilization system and method, and belongs to the technical field of rainwater and sewage collection, treatment and utilization. The system structurally comprises a rainwater collection and treatment system and a sewage collection and treatment system, the rainwater collection and treatment system comprises a discarding device, an underground water storage tank, a mechanical grid I, a vertical flow sedimentation tank, a filter, a disinfection tank I and a clean water tank which are communicated in sequence, and further comprises a sludge tank communicated with the vertical flow sedimentation tank; the sewage collecting and treating system comprises a septic tank, a mechanical grating II, a sewage regulating tank, an anaerobic tank, an anoxic tank, an aerobic tank, a radial-flow secondary sedimentation tank, an MBR reaction tank, a disinfection tank II and a clean water tank which are communicated in sequence, and further comprises a sludge tank which is communicated with the radial-flow secondary sedimentation tank and the MBR reaction tank respectively. The system effectively collects and treats rainwater and sewage, is used for car washing, toilet flushing, irrigation and the like in a service area, and has certain environmental benefits, social benefits and economic benefits.

The utility model provides a sling type sewage pool covering membrane structure which comprises a water pool, the top of the water pool is fixedly connected with a fixed block, the top of the fixed block is fixedly connected with a fixed seat, the top of the fixed block is slidably connected with a movable seat, one side of the fixed seat and one side of the movable seat are fixedly connected with supporting rods, and the supporting rods are fixedly connected with the fixed seat and the movable seat. Fixing pieces are arranged at the bottoms of the supporting rods, adjusting pieces are arranged on the outer sides of the fixing bases, clamping pieces are fixedly connected to the two sides of the water pool, the fixing pieces comprise fixing rods fixedly connected to the bottoms of the supporting rods, limiting plates are fixedly connected to the bottoms of the fixing rods, and clamping plates are in threaded connection to the outer sides of the fixing rods. The sling type sewage pool covering film structure solves the problems that a covering film of an existing device is fixed to the outer side of a water pool, and the covering film is inconvenient to fold, store and disassemble after being used.

The invention belongs to the technical field of sewage treatment tanks, and particularly relates to a modular prefabricated assembly type sewage treatment tank. The water pool comprises a water pool main body, the water pool main body comprises a plurality of prefabricated concrete module components which are arranged at intervals in the length direction of the water pool main body, every two adjacent prefabricated concrete module components are set as a first module component and a second module component respectively, and an integral U-shaped splicing seam is formed between each first module component and the corresponding second module component; the U-shaped splicing seam is composed of a bottom plate splicing seam located at the bottom of the U-shaped splicing seam and side plate splicing seams located on the two sides of the U-shaped splicing seam, the U-shaped splicing seam is internally provided with an elastic seam material filling solidification structure layer, and the first module component and the second module component are connected through a plurality of sets of connecting assemblies arranged in the length direction of the U-shaped splicing seam at intervals. Each connecting assembly comprises a spherical hinge support, a first connecting rod, a sleeve, a second connecting rod, an annular limiting piece and an air spring. On-site rapid assembly can be facilitated, and meanwhile the durability of the joints of module components is improved.

The utility model relates to a high-sealing anti-corrosion reverse hanging membrane structure, which belongs to the technical field of reverse hanging membrane structures and comprises no less than two gantry steel structures, and anti-corrosion reverse hanging membrane bodies are fixed in the no less than two gantry steel structures through fixing belts. According to the high-sealing anti-corrosion reverse hanging membrane structure, through the arrangement of the telescopic assembly, the at least two gantry steel structures can be compressed and folded, an open space is vacated to facilitate later cleaning of the interior of a sewage pool, and the at least two gantry steel structures are located on the outer side of the sewage pool; two hand wheels on the right side can be twisted to drive two ground piles to rotate in two connecting blocks and move upwards to move out of the interior of the foundation, at the moment, at least two telescopic assemblies are compressed and shortened, at least two gantry steel structures move leftwards, and at the moment, the telescopic assemblies are compressed and shortened; then, an open space is formed on the outer side of the right side of the sewage pool, so that the interior of the sewage pool is cleaned.

The invention relates to the technical field of concrete pouring template reinforcement, and discloses a concrete pouring template reinforcement device for a sewage treatment inclined tube sedimentation tank, which comprises a pouring template, a soft rubber gasket and a sliding block are tightly attached to the inner surface of the pouring template, and cement at a mounting hole can be prevented from being squeezed and seeping out during pouring, so that the concrete pouring template reinforcement device is convenient to use. The circulating threaded rod can rotate along with rotation of the fixing screw when the fixing screw is installed, the circulating threaded rod rotates on the inner wall of the limiting groove to extrude the inner wall of the fixing screw, the circulating threaded rod only rotates and does not extrude the inner wall of the fixing screw when rotating by a certain angle in the reverse direction, and the conical end of the circulating threaded rod is wrapped with soft rubber. The binding force with concrete is weak, the circulating threaded rod is easy to detach, and the left recess is filled with a waterproof material in a mixed manner, so that the wall surface is prevented from being damaged by knocking the wall surface, vibration is generated, a gap between the fixing screw and the concrete is enlarged, the seepage-proofing time is shortened, and the concrete is prevented from being extruded to permeate from a mounting hole.

The utility model provides an automatic drainage device controlled by a programmable logic controller (PLC), and relates to the field of PLCs. The PLC-controlled automatic drainage device comprises a sewage pool and a main body placing frame, one side of the main body placing frame is fixedly connected with a position control shell, the inner wall of the position control shell is slidably connected with a threaded cylinder, the threaded cylinder is fixedly connected with a displacement sensor through an extension plate, and the inner wall of the threaded cylinder is in threaded connection with the outer circumferential surface of a first one-way lead screw; one end of the first one-way lead screw is fixedly connected with an external rotating disc, and the first one-way lead screw is rotationally connected to the inner wall of the position control shell. According to the automatic drainage device controlled by the PLC, through the arrangement of the sewage pool, the main body placement frame, the position control shell, the threaded cylinder, the extension plate, a displacement sensor, a one-way screw rod I, an external rotating disc, a position control rod, a displacement disc, a guide single rod, a floating ball and a position control block, drainage operation can be effectively and automatically carried out according to the real-time water level, so that it is guaranteed that the overflow phenomenon of the sewage pool does not occur; and the safety effect is enhanced.

The utility model discloses a sewage treatment pond water passing device, and particularly relates to the technical field of sewage treatment, the sewage treatment pond water passing device comprises a first sewage treatment pond and a second sewage treatment pond, a partition wall is vertically installed between the first sewage treatment pond and the second sewage treatment pond, and a water passing pipeline is vertically arranged on one side of the partition wall and located in the second sewage treatment pond. A blocking mechanism for blocking water flow is arranged at the end, located in the first sewage treatment tank, of the water passing pipeline, an exhaust mechanism for exhausting air in the water passing pipeline is arranged at the top end of the water passing pipeline, and an antifouling mechanism for blocking sediment is arranged at the end, located in the second sewage treatment tank, of the water passing pipeline; the sewage treatment pool has the technical effects and advantages that the adjacent sewage treatment pools are conveniently blocked by arranging the blocking mechanism, so that the convenience and the high efficiency of equipment maintenance work in the treatment pools are improved; the exhaust mechanism is arranged, so that exhaust in the water passing pipeline is facilitated; and one end of the U-shaped water outlet elbow pipe head is conveniently blocked by arranging the anti-fouling mechanism.

The invention relates to a cement-based material with a photocatalytic function, a coating, a casting body and a preparation method, the cement-based material with the photocatalytic function comprises cement-based dry powder, and the cement-based dry powder comprises, by weight, 1-1.5 parts of molybdenum disulfide nanoflowers and 9-19 parts of Portland cement. The preparation method has the beneficial effects that the molybdenum disulfide nanoflower is directly introduced into a cement-based material as a photocatalyst, so that the self-cleaning function and the dye degradation function of the material are increased, the hydration rate and the mechanical property of the cement are improved, and the cement is a green and sustainable building material. The preparation method of the cement-based material with the photocatalytic function is simple and efficient.

The invention discloses a leachate tank which comprises side walls, a tank bottom plate and a tank top plate, an in-tank liquid storage area is defined by the side walls, the tank bottom plate and the tank top plate, the in-tank liquid storage area is used for storing leachate, the inner wall of the in-tank liquid storage area is provided with a first waterproof and anti-seepage coating, the side walls comprise the overground side wall and the underground side wall, and the first waterproof and anti-seepage coating is arranged on the inner wall of the in-tank liquid storage area. The underground side wall is slightly higher than the ground; the overground side wall and the pool top plate have the same structure; the overground side wall comprises a structural layer, a connecting layer and a heat preservation layer which are sequentially arranged from inside to outside, and the connecting layer is used for connecting the structural layer and the heat preservation layer; the underground side wall comprises a structural layer, a second waterproof and anti-seepage coating, a connecting layer and a heat preservation layer which are sequentially arranged from inside to outside. The pool bottom plate comprises a structural layer, a first rigid layer, a second waterproof anti-seepage coating and a second rigid layer which are sequentially arranged from top to bottom. According to the anti-corrosion heat-preservation environment-friendly construction method for the filtrate pool, the anti-corrosion and anti-seepage performance and the heat preservation effect of the filtrate pool can be guaranteed.

The utility model belongs to the technical field of water flushing type energy-saving toilets, and particularly relates to a water flushing type energy-saving toilet which comprises a U-shaped base, a fixed box fixedly installed on the top of the U-shaped base, a step installed on the front side of the U-shaped base in an inserted mode, a pedestal pan device fixedly installed in the fixed box, and a water storage tank fixedly installed on the pedestal pan device. A first separation barrel and a second separation barrel are fixedly installed in the U-shaped base, a first filter plate is fixedly installed in the first separation barrel, and a first discharge pipe is fixedly installed on the portion, located on the top of the first filter plate, of the first separation barrel. According to the device, solid is effectively prevented from entering the feeding end of the second water pump, the blocking condition is prevented, meanwhile, when the solid in the first separation barrel and the solid in the second separation barrel are cleaned, the solid can be discharged and collected only by opening valves on a first discharging pipe, a second discharging pipe and a third discharging pipe, and using is more convenient.

The utility model relates to the technical field of sewage treatment, in particular to a harmful gas leakage prevention top cover which comprises a cover plate, upper supporting plates arranged at equal angles are fixedly connected to the upper surface of the cover plate, inserting grooves arranged at equal intervals are formed in the outer surface of the cover plate, and inserting plates arranged at equal intervals are fixedly connected to the outer surface of the cover plate. The upper surface of the cover plate is provided with clamping hooks arranged at equal intervals, the upper surface of each insertion plate is provided with a clamping groove, and the two sides of each clamping hook are each provided with a supporting piece. According to the top cover, the inserting plate, the clamping hook and other components are arranged, and through the mutual matching relation between the inserting plate and the clamping hook, when the inserting plate enters the inserting groove, the clamping hook can fix the inserting plate through the clamping groove, and then the effect that the sealing performance of the top cover is improved through the inserting plate and the clamping hook is achieved; the defects that an existing technical scheme is lack of a fixing mechanism, and the top covers are prone to deviation are overcome.

The utility model relates to the technical field of deodorization equipment of a sewage treatment plant, and discloses a reverse hanging membrane sewage pool protection device, which comprises a steel frame keel arranged at an opening at the upper end of a sewage pool; the PVDF membrane material is arranged on the inner side of the steel frame keel through the membrane material fixing mechanism; the membrane material fixing mechanism is arranged on the steel frame keel; according to the structure, through the arrangement of the steel frame keel, the PVDF membrane material and the membrane material fixing mechanism, the structure can be stably fixed to the top of the sewage pool to seal the top of the sewage pool, meanwhile, the weight of the top structure of the sewage pool is reduced, the inner side of the steel frame keel can be conveniently covered with the PVDF membrane material through the membrane material fixing mechanism, and the light transmission of the sewage pool can be effectively guaranteed through the arrangement of the PVDF membrane material; the sealing cover for the sewage pool has the advantages of being small in self weight, convenient to construct, capable of effectively controlling the aerobic and anaerobic environments in the sewage pool and the like, and solves the problems that an existing sealing cover for the sewage pool is large in self weight, inconvenient to construct, incapable of effectively controlling the aerobic and anaerobic environments in the sewage pool and the like.

The utility model discloses a kind of siphon drainage devices of sewage pool, including special-shaped U-shaped siphon, fixed support and air extraction device, special-shaped U-shaped siphon includes main channel and auxiliary channel, main channel includes mutually connected water inlet section, connecting section and water outlet section, connecting section connects water inlet section and water outlet section, water inlet section is fixed on the inner wall of sewage pool using fixed support, auxiliary channel connects connecting section, air extraction device includes air extraction mechanism and check valve, air extraction mechanism connects auxiliary channel, for air extraction to auxiliary channel, check valve also connects auxiliary channel, for making auxiliary channel one-way conduction, check valve includes cavity, baffle, fixed nut and air core, fixed nut is located at the bottom of cavity, for connecting auxiliary channel and cavity, air core is located at the top of cavity, baffle is connected below air core, and baffle is equipped with aperture. Compared with prior art, the utility model can realize the efficient, zero-energy consumption discharge of sewage.

The present invention provides a method, a slow-filling tank and a drainage system based on the transformation of an existing septic tank, wherein the transformation method is as follows: a new outlet is opened, and the horizontal height of the new outlet is lower than the horizontal height of the original outlet; an interception part is arranged near the new outlet or in the downstream pipeline, the interception part is closed, the tank body stores water, and the interception part is opened, and the tank body transports water. The slow-filling tank includes a tank body, a water inlet and a water outlet opened on the tank body, and a plurality of baffles arranged inside the tank body, the baffles are arranged in sequence from the water inlet to the water outlet, and water holes are arranged on the baffles. The water outlet position of the outlet is lower than the water inlet position of the water inlet, and an interception part is arranged near the water outlet. In the present invention, the municipal combined pipe is not modified, and the problems existing in the combined pipe system are solved from the source.

The utility model discloses an assembly type steel structure pool self-tightening type side column node structure which comprises wallboard units, a steel column and a rubber sealing gasket, each wallboard unit comprises a wallboard surface and a wallboard side column, the steel column is correspondingly arranged between the two wallboard units, the cross section of the steel column is a trapezoid section with one large end and one small end, and the rubber sealing gasket is arranged between the wallboard surface and the wallboard side column. The small end of the wallboard side column is arranged on the upstream side close to the pool, the side, close to the steel column, of the wallboard side column is an inclined face matched with the side face of the steel column, a rubber sealing gasket is arranged between the wallboard side column and the steel column, and the wallboard side column, the rubber sealing gasket and the steel column are fixedly connected through high-strength bolts and achieve abutted seam sealing. And the wallboard units and the steel columns are compacted and reinforced under the action of water pressure in the water pool. The wall plate side column node is simple in structure and ingenious in design, the steel column and the wall plate side column section are optimally designed, the reinforcing and sealing effects can be achieved by means of water pressure in a water pool, and the problem of hidden danger of water seepage of the side column node is effectively solved.

The utility model discloses a glass fiber reinforced plastic sealing cover which comprises a plurality of glass fiber reinforced plastic covers, two glass fiber reinforced plastic plates and two bottom plates, arc-shaped strips are fixedly connected to the two sides of the outer portions of the glass fiber reinforced plastic covers, and the two glass fiber reinforced plastic plates are installed on the two sides of the glass fiber reinforced plastic covers respectively. The outsides of every two adjacent arc-shaped strips and the outsides of the arc-shaped strips and the glass steel plates are sleeved with covers, first sealing gaskets are fixedly connected to the interiors of the covers, the covers are connected with the arc-shaped strips and the glass steel plates through a plurality of first screws, connecting plates are fixedly connected to the two bottom ends of the multiple glass steel covers, and through grooves are formed in the connecting plates. Inserting columns are fixedly connected to the positions, corresponding to the through grooves, of the two bottom plates, the inserting columns penetrate to the upper sides of the connecting plates from the interiors of the corresponding through grooves, the connecting plates are fixedly connected with the inserting columns through connecting mechanisms, and a plurality of fixing grooves matched with the first screws are formed in the arc-shaped strips and the glass steel plates correspondingly. And the single glass fiber reinforced plastic cover can be conveniently detached and replaced, and the use practicability is improved.

The application belongs to the technical field of sewage treatment tank, and particularly relates to a modular prefabricated sewage treatment tank. The application comprises a pool main body, the pool main body comprises a plurality of prefabricated concrete module components arranged at intervals along the length direction of the pool main body, two adjacent prefabricated concrete module components are respectively set as a first module component and a second module component, a U-shaped joint seam is formed between the first module component and the second module component, the U-shaped joint seam is composed of a bottom plate joint seam at the bottom of the U-shaped joint seam and side plate joint seams at the two sides of the U-shaped joint seam, the U-shaped joint seam is provided with an elastic joint material filling and solidification structure layer, the first module component and the second module component are connected through a plurality of groups of connecting assemblies arranged at intervals along the length direction of the U-shaped joint seam, each group of connecting assemblies comprises a spherical hinge support, a first connecting rod, a sleeve, a second connecting rod, a ring-shaped limiting piece and an air spring. The application can be conveniently and quickly assembled on site, and meanwhile, the durability of the connecting part of the module component is improved.

The utility model relates to the technical field of ventilation devices, in particular to an automatic ventilation device for a deep well, which comprises a well body, the outer wall of one side of the top of the well body is fixedly connected with a support, the outer wall of the top end of the support is provided with a fan, the inner wall of the support is provided with a controller, and the output end of the fan is connected with a ventilation hose in an inserted mode. An annular pipe is slidably connected to the inner wall of the bottom of the well body, a connecting hole is formed in the outer wall of one side of the top end of the annular pipe, the ventilation hose is inserted into the inner wall of the connecting hole, an oxygen concentration sensor is installed on the outer wall of one side of the top end of the annular pipe, and limiting plates are fixedly connected to the outer walls of the two sides of the top end of the annular pipe. The deep well ventilation device can detect the oxygen concentration at the bottom of the well body, so that the fan is automatically controlled to conduct ventilation treatment according to the detection structure, the ventilation structure is annularly arranged, air inlet is more uniform, the height of the air inlet structure can be adjusted according to actual requirements, and the use efficiency of the deep well ventilation device is improved.

The utility model relates to a water circulation energy-saving foundation pit of a solid waste wet processing system. Comprising a foundation pit, and a foundation pit support is arranged in the foundation pit; a clean water tank is arranged on the bottom surface of the foundation pit, a sewage well is dug, a filtering mounting ring is fixedly connected to a wellhead of the sewage well, a filtering piece is detachably connected to the wellhead of the sewage well, and a cleaning device is arranged in the filtering piece; the cleaning device comprises a support structure, and a filter screen cleaning assembly and a sludge cleaning assembly are installed on the support structure. A submersible pump and a water lifting pipeline are arranged in the sewage well, and a water return pipeline is arranged at a water outlet of the water lifting pipeline; a main water outlet pipeline is mounted at a water outlet of the clear water tank, a water supplementing pipeline and a high-pressure water outlet pipeline are mounted at a water outlet of the main water outlet pipeline, and a high-pressure cleaning part is mounted on the high-pressure water outlet pipeline; and a water inlet pipeline is mounted at the water inlet of the clear water tank. According to the utility model, the generated wastewater can be collected in a centralized manner and is filtered, so that the sewage is recycled, water resources are saved, and the environmental awareness is met; meanwhile, filter screen cleaning and filtered matter discharging operation can be conducted regularly, the automation degree is high, and the operation process is simple.

The invention provides a resource circulation type off-network public toilet system based on source separation and biological treatment, which relates to the field of public toilets and comprises a public toilet, a separation unit, a portable maintenance mechanism, a liquid treatment unit, a solid treatment unit, a synchronous mixing mechanism and a wash basin, the public toilet comprises a toilet body, an air draft chimney, a toilet door body and a fixing base. The source separation unit is connected with a public toilet and is used for conveying urine and excrement to the source separation unit; and the source separation unit comprises a micro-water flushing closestool and a portable maintenance mechanism. The urine is subjected to natural fermentation to realize pathogen inactivation and urea is hydrolyzed and decomposed into a liquid fertilizer, and the composting reaction box is mixed with excrement through an additive to form high-quality humus soil, so that the problems that the secondary pollution risk exists due to the fact that most toilets are subjected to chemical treatment or simple landfill, and a scheme of a high-temperature incineration or distillation technology is adopted are solved; the problems of extremely high energy consumption and complicated operation exist.

The utility model belongs to the field of sewage treatment, and discloses an assembled partition plate for a sewage treatment pool, which comprises a partition plate main body formed by sequentially splicing a plurality of sub-plate bodies, one or more flap valves are arranged on the partition plate main body; the partition plate body is provided with at least one communicating pipe communicating the two sides of the partition plate body, and the height difference between an upper end opening and a lower end opening of the communicating pipe is smaller than the pressure-bearing liquid level difference of the partition plate body. The partition plate adopts an assembled structure, is formed by splicing a plurality of sub-plate bodies, and is provided with a flap valve for controlling sewage to flow in one direction and a communicating pipe for preventing the assembled structure from being deformed and collapsed due to front and back liquid level difference, so that safe operation of the assembled partition plate in a sewage pool can be realized; therefore, the assembly efficiency is high, the cost is low and the construction period is short. Meanwhile, the utility model further discloses a sewage treatment pool.

The invention relates to an automatic dredging system and method for a closed pool, and the method comprises the following steps: installing the automatic dredging system for the closed pool, and controlling a mechanical arm to enter a pool body; the laser radar scans the internal environment of the pool body to form in-pool volume space data to be fed back to the upper computer; the upper computer generates an environment model, performs obstacle avoidance and path planning of the mechanical arm in combination with a motion planning algorithm, and sends a flushing instruction and a sludge pumping instruction to pump sludge at the bottom of the tank body; the visual camera feeds back desilting picture data in the pool to the upper computer in real time, and manual control can be assisted; after washing for a certain time, visually judging whether washing is complete or not through a desilting picture in the pool returned by a visual camera, and meanwhile, forming quantitative washing effect evaluation by comparing front and back point cloud data through an upper computer; and after the flushing effect is satisfied, desilting operation is stopped. The method has the beneficial effects that related operators do not need to go into the pool in the whole process; desilting operation can be completed more thoroughly; the mechanical arm is not immersed in the sludge at the bottom of the pool body.

A sanitary pit liner system for collection of human waste in developing countries includes a plurality of curved, interlocking pit liner segments that snap together to form a cylindrical pit liner, a plurality of curved, interlocking dome segments that snap together to form a dome, a gasket, a squat plate and squat pan user interface or a one-piece toilet user interface. A method of installing a sanitary pit liner system is also disclosed.

The invention relates to the technical field of sewage treatment, and discloses a mud storage tank structure which comprises a first baffle, a second baffle, a mud inlet, a mud outlet and a supernatant port, one end of the first baffle is connected to the wall of a mud storage tank in a swing adjusting mode, and the other end of the first baffle inclines towards the bottom of the mud storage tank; the second baffle is vertically arranged at the bottom of the sludge storage tank, and a set distance is formed between the free end of the first baffle and the second baffle; the mud inlet is formed in the pool wall of the mud storage pool and located above the first baffle; the sludge outlet is positioned at the bottom of the tank wall of the sludge storage tank and is positioned below the first baffle plate; the supernate opening is formed in the top of the wall of the sludge storage tank. The sludge dewatering device has the beneficial effects that under the action of the first baffle, new sludge entering from the sludge inlet is prevented from being mixed with thick sludge settled below the first baffle, and the supernatant outlet is formed in the top of the sludge storage tank, so that the total volume of the sludge extracted from the bottom of the sludge storage tank is reduced, and the sludge dewatering efficiency is improved.

The invention provides an in-use sewage pool body leakage repairing agent as well as a preparation method and a construction process thereof, and relates to the technical field of pool body anti-seepage transformation. The sewage pool body leakage repairing agent is prepared from the following raw materials in parts by weight: 30-40 parts of polyurethane resin, 20-30 parts of epoxy resin, 5-10 parts of an isocyanate curing agent, 1-3 parts of polyether modified silicone oil, 3-6 parts of ceramic powder, 1-3 parts of carbon fibers, 0.5-1 part of a silane coupling agent, 2-5 parts of propylene glycol diglycidyl ether, 0.3-0.5 part of an acid and alkali resistant anti-aging agent and 0.3-0.5 part of an anti-ultraviolet agent. By optimizing the component proportion of the leak repairing agent, the leak repairing agent has the characteristic of rapid solidification under a low-temperature condition, and has the effects of high strength, micro-expansion, good compactness and long-term performance; meanwhile, a temporary water storage bag, a temporary pump and a pipeline are adopted, so that the sewage treatment process is not interrupted when the leakage of the sewage pool body is repaired.

The utility model discloses a device for corrosion prevention of a pool body, which comprises an anti-corrosion layer and a plurality of internal pulling embedded parts connected with the anti-corrosion layer and the pool body, the anti-corrosion layer comprises a bottom film layer and a plurality of anchoring protrusions arranged on the surface of the bottom film layer, and the bottom film layer is arranged on the side close to the inner wall of the pool body; one end of each internal pulling embedded part is connected with the corresponding anchoring bulge, and the other end of each internal pulling embedded part is embedded and fixed in a corresponding area in the tank body. The utility model aims to enhance the adhesion strength of the anti-corrosion layer, prevent the anti-corrosion layer from falling off, and realize efficient anti-corrosion protection of the interior of the tank body.

The application provides a sewage treatment biochemical reaction tank, and relates to the technical field of sewage treatment, which comprises a biochemical tank, wherein the biochemical tank is communicated with a water distribution tank, a plurality of filter material oxidation units are arranged in the biochemical tank, adjacent filter material oxidation units are communicated, sewage enters from one end of the biochemical tank, sequentially passes through a plurality of adjacent filter material oxidation units, and finally enters a sedimentation tank, the filter material oxidation unit comprises a filter material bin and an oxidation tank, the filter material bin is filled with granular calcium carbonate dephosphorization filter material so as to remove phosphate ions in sewage, an aeration pipe is arranged below the oxidation tank, a plurality of aeration holes are formed in the aeration pipe, a curtain type filler is arranged above the aeration pipe, and the curtain type filler is attached with an aerobic microbial membrane; the filter material bin is arranged adjacent to the oxidation tank, and the oxidation tank is communicated with the filter material bin. The application has the advantages of high dephosphorization and denitrification efficiency and good sewage treatment effect.