499 results about "Septic tank" patented technology

The invention provides a mold optimization design method for an integrally-formed septic tank, and relates to the technical field of data processing, and the method comprises the following steps: obtaining a target production demand, and determining a predetermined mold production scheme; performing mold region division to obtain a plurality of predetermined regions; an initial mold is obtained, injection molding of a plastic raw material is carried out, and an initial integrally-formed septic tank, a plurality of pressure data sequences and a plurality of temperature data sequences are obtained; performing pressure distribution characteristic analysis to generate a pressure distribution characteristic analysis result; performing temperature distribution characteristic analysis to generate a temperature distribution characteristic analysis result; a three-dimensional model is constructed for surface quality detection and analysis; based on the non-uniform pressure area, the non-uniform temperature area and the surface defect area, a preset mold production scheme is optimized, and an optimized mold production scheme is obtained; and carrying out mold production. The technical problem that a traditional mold optimization method often depends on experience and trial and error, and the overall quality of mold design and production cannot be effectively improved is solved.

A system for determining a fill level of at least one of a content within a container wherein the fill level of the at least one content is determined based on the reception of a time of return of a transmitted signals wherein the transmitted signals are frequency varying within a transmission window. The frequency variation may be continuous or patterned. The device herein disclosed is applicable to a wide spectrum of configurations to determine a content, whether liquid, mash or solid within the container wherein the container may be associated with a barrel or container associated with alcohol production, or containers involved in the retention of other types of materials or content, such as but not limited to, septic tanks, waste management systems, water towers, etc.

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 discloses a system for treating domestic wastewater by utilizing a constructed wetland, which comprises an anaerobic tank, wherein the water outlet end of the anaerobic tank is communicated with the constructed wetland; toilet sewage flows into the septic tank through the water inlet end of the septic tank, and the water outlet end of the septic tank is communicated with the water inlet end of the anaerobic tank; sewage of a kitchen and a bathroom flows into the oil separation tank through a water inlet of the oil separation tank, a water outlet of the oil separation tank is communicated with a water inlet end of the anaerobic tank, a plurality of rapid oil removal components are arranged in the oil separation tank, and a residue filtering component is arranged at one end, close to the water inlet, of the oil separation tank. According to the domestic water treatment device, black water and grey water generated in domestic water can be mixed and treated together, and meanwhile, impurities, oil residues and the like generated in sewage precipitation can be quickly treated and cleaned.

A septic tank filter system includes a tank. The tank includes an inlet and an outlet, wherein the outlet is disposed on the tank below the inlet to enable a flow of wastewater to be gravity fed from the inlet to the outlet. A filter is positioned in the tank. The filter includes a frame. A filter media is disposed on the frame. The filter media is operable to filter the wastewater of waste material as the wastewater passes therethrough. An overflow opening is disposed on a top portion of the filter. A bottom of the overflow opening is located above the tank outlet and below the tank inlet. When the filter media is not clogged, a level of the wastewater remains below the overflow opening. When the filter media is clogged, the level of the wastewater rises until the wastewater flows over the overflow opening.

A system for determining a fill level of at least one of a content within a container wherein the fill level of the at least one content is determined based on the reception of a time of return of a transmitted signals wherein the transmitted signals are frequency varying within a transmission window. The frequency variation may be continuous or patterned. The device herein disclosed is applicable to a wide spectrum of configurations to determine a content, whether liquid, mash or solid within the container wherein the container may be associated with a barrel or container associated with alcohol production, or containers involved in the retention of other types of materials or content, such as but not limited to, septic tanks, waste management systems, water towers, etc.

An automatic manure scraping device for a sheep house comprises a manure collecting channel, a manure collecting pool is arranged on the outlet side of the manure collecting channel, a manure scraping plate assembly is arranged in the manure collecting channel and connected with a traction rope, and the traction rope is driven by traction equipment; the dung scraping plate assembly comprises a dung scraping plate, the upper end of the dung scraping plate is rotatably provided with a connecting support, and the front and back of the connecting support are connected with a traction rope; supporting legs are rotatably installed on the back face of the excrement scraping plate, and walking wheels are installed at the bottom ends of the supporting legs and make contact with the ground of the excrement collecting channel. The traction equipment comprises multiple groups of first fixed pulleys mounted on the outer sides of the manure collection channel and the manure collection pool, and a traction rope bypasses the multiple groups of first fixed pulleys and two groups of grooved pulleys on one side of the manure collection pool to form an annular loop; and one group of grooved wheels are driven by a driving device. According to the automatic dung scraping device for the sheep house, an existing dung scraping device can be optimized, the labor intensity of operators is reduced, and the service life of the device is prolonged.

A septic tank filter system includes a tank. The tank includes an inlet and an outlet, wherein the outlet is disposed on the tank below the inlet to enable a flow of wastewater to be gravity fed from the inlet to the outlet. A filter is positioned in the tank. The filter includes a frame. A filter media is disposed on the frame. The filter media is operable to filter the wastewater of waste material as the wastewater passes therethrough. A top opening is disposed on a top portion of the frame. A bottom of the top opening is located above the tank outlet and below the tank inlet. When the filter media is not clogged, a level of the wastewater remains below the top opening. When the filter media is clogged, the level of the wastewater rises until the wastewater flows over the top opening.

The invention discloses application and equipment of an exogenous hydrolase-biochar composite preparation in digestion and fermentation of fecal sewage of a septic tank. The invention relates to rapid manure decomposition equipment for a rural septic tank. The rapid manure decomposition equipment comprises a pretreatment module, an aerobic fermentation system, a collection tank, a biological deodorization system, a solar auxiliary heating module and an intelligent monitoring module, a master controller of the intelligent monitoring system predicts the quality index of the organic fertilizer processed by the aerobic fermentation system according to the system parameter data of the aerobic fermentation system monitored in real time; and then adjusting key operation working conditions of the aerobic fermentation system according to the predicted value of the quality index of the organic fertilizer treated by the aerobic fermentation system. According to the method, the exogenous hydrolase-biochar composite preparation is added into the septic tank, so that rapid decomposition and stabilization of the feces are realized, and the pollution load on the ecological environment is reduced; on-line self-adaptive intelligent control over the operation condition in the feces treatment and recycling process is achieved through the artificial intelligence Internet of Things technology.

The present application relates to the field of sewage purification, and discloses a household micro sewage treatment system and a sewage treatment method, which comprises the following steps: building a septic tank; preparing a household micro sewage treatment system, an aeration system and suspended filler for microbial attachment; pumping clarified liquid by a lifting pump, and the clarified liquid enters a contact oxidation zone, and microorganisms degrade COD and BOD in the clarified liquid; the clarified liquid at the contact oxidation zone flows into an electrocoagulation zone, and electrocatalytic flocculation is performed; then, pollutants and phosphorus in the clarified liquid are filtered by a filtering zone, and the clarified liquid forms purified water; the purified water is taken from a water outlet zone, and is used for crop irrigation; or, a landscape zone for breeding aquatic plants or plankton is arranged at the water outlet zone. In the present application, the contact oxidation zone, the electrocoagulation zone, the filtering zone and the water outlet zone are sequentially and continuously arranged from bottom to top, and the arrangement structure of the whole household micro sewage treatment system is compact, and it is more convenient to arrange the system in a separate house environment in rural areas.

The present invention relates to a pit support structure for underground engineering, comprising a pit, a horizontal plate support is arranged in advance on the bottom surface of the pit, a plurality of vertical support piles are arranged on the inner circumference of the pit, and the tops of the plurality of support piles are connected to form an integral support structure through surrounding purlins. The pit support structure for the underground engineering is simple in structure and safe and stable in structure. It not only overcomes the shortcomings of the traditional foundation pit support structure, such as the long length of the support piles, the need to penetrate the soft soil layer, the large deformation, the long construction period, and the multiple cross-processes, but also realizes a stereotyped tool-type support structure with a fast construction speed and can be used repeatedly. It is suitable for supporting small-area pit excavations such as basement pits, basement elevator shafts, tower crane foundations, pump rooms, septic tanks, underground pipelines, etc., and can achieve safe, economical, fast, and effective foundation pit support.

The present invention discloses a septic tank sewage treatment device and its application, belonging to the field of environmental protection technology. The treatment device includes an inlet area, a sewage treatment unit and an outlet area. The sewage treatment unit includes a supporting layer, a mixed filler layer and a surface layer from bottom to top. Wetland plants are planted above the sewage treatment unit; the filler of the supporting layer is rock, the filler of the mixed filler layer is pyrolusite and pyrite, and the filler of the surface layer is biochar. The present invention adopts a bottom-in and top-out water inlet method to maintain the anaerobic environment of the treatment device, which can achieve efficient removal of organic matter, ammonia nitrogen, phosphate and soluble methane in the effluent of the septic tank, further alleviate the blockage of the treatment device and prevent the generation of endogenous methane, while preventing the leakage of heavy metals to cause secondary pollution.

The invention discloses an inner concave sleeve type domestic sewage courtyard consumption and resource recycling system, and relates to the technical field of environmental protection. Comprising a three-grid septic tank, a multi-stage composite filler percolation system, a water storage tank, a water distribution tank and a rhizosphere water distribution system which are connected in sequence, the multi-stage composite filler percolation system comprises a pit located on the ground, a multi-layer composite filler layer and an earth surface planting layer, the composite filler layer adopts a modular structure, the modular structure comprises a box body with an opening in the upper part, corresponding filler is filled in the box body, a boss matched with the opening of the box body is arranged at the bottom of the box body, and a water leakage hole is formed in the bottom of the box body; the earth surface planting layer adopts backfill soil; and a blow-off pipe of the house is connected with the three-grid septic tank. Compared with a traditional percolation system, each layer of the multistage composite filler percolation system is an independent modular functional layer, construction is not needed, the multistage composite filler percolation system can be directly used and installed, daily maintenance is not needed, and the functional module layers can be replaced regularly.

The utility model discloses a multifunctional efficient septic tank for precipitation, anaerobic clarification and filtration, and relates to the technical field of sewage or sludge treatment. The precipitation, anaerobic clarification and filtration multifunctional efficient septic tank comprises a septic tank, a water inlet and distribution pipe, a precipitation area, a filtration area, a primary anaerobic area, a secondary anaerobic area, a clarification area and a water outlet pipe, water enters the septic tank from the water inlet and distribution pipe, sequentially flows through the precipitation area, the filtration area, the primary anaerobic area, the secondary anaerobic area and the clarification area, and finally is discharged through the water outlet pipe; five functional zones including a settling zone, a filtering zone, a first-stage anaerobic zone, a second-stage anaerobic zone and a clarifying zone are vertically designed to integrally use a carbon steel anti-corrosion material to construct a water quality purification zone, different structures and functions are set to complete removal of pollutants, a water inlet and distribution pipe penetrates through and is welded on the wall of the septic tank, a water distribution transverse pipe is arranged in the septic tank and is distributed towards two sides, and the water distribution transverse pipe is connected with the water quality purification zone. The transverse pipe on each side is provided with a strip-shaped opening so as to achieve the purpose of uniform water distribution.

The utility model discloses a rural resident domestic sewage recycling treatment device, which relates to the field of sewage treatment and comprises a septic tank, a hydrolytic acidification tank, an oil separation well, an anaerobic purification tank and an ecological digestion tank. According to the treatment mode of the utility model, the treatment of sewage generated by domestic kitchen, washing, cleaning and bathing sewage is added, the combination of resource utilization and an agricultural production structure is preferentially considered, and the treatment technologies of hydrolytic acidification, anaerobic purification, multi-medium biological purification, small vegetable garden / small garden ecological digestion pool and the like are adopted; rural domestic sewage treatment is combined with rural courtyard economy and agricultural green development, and rural domestic sewage resource utilization is achieved nearby on site.

The invention discloses an efficient three-grid septic tank treatment device based on partial nitrosation and a feces treatment method. The treatment device comprises a stabilizing chamber, an anaerobic chamber, a partial nitrosation chamber and a settling chamber which are sequentially connected, a feeding pipeline is arranged at the upper part of the stabilizing chamber, a septic tank cover plate is arranged at a top opening, a preformed hole is formed in the septic tank cover plate, and the stabilizing chamber is communicated with the anaerobic chamber through a middle pipeline passage; a fixed polyurethane sponge filler is arranged in the anaerobic chamber, another septic tank cover plate is arranged at a top opening, and the upper part of the anaerobic chamber is communicated with the partial nitrosation chamber through a pipeline passage; another septic tank cover plate is arranged at the top of the partial nitrosation chamber, an aeration system is arranged in the septic tank cover plate, and a movable spherical filler is filled in the septic tank cover plate; the bottom of the partial nitrosation chamber is communicated with the settling chamber through a middle passage; a sediment sludge storage hopper is arranged at the bottom of the sediment chamber; a liquid outlet is formed in the upper part of the sediment chamber. The treatment efficiency and the manure utilization rate are remarkably improved, and the hydraulic retention time is shortened.

The invention provides a resource recovery type black and grey water treatment system. The system comprises an oil separation device, a filtering device, a grey water treatment unit, a three-grid septic tank and an ecological percolation device, wherein the oil separation device comprises a kitchen grey water inlet, a grease outlet and an oil separation grey water outlet; the filtering device comprises a bathing and clothes washing grey water inlet, an impurity outlet and a filtered grey water outlet; the grey water treatment unit comprises a coagulative precipitation device, a filtering and decolorizing device, a UV disinfection device and a storage device; the coagulative precipitation device comprises an oil-separated grey water inlet, a filtered grey water inlet, a first water outlet and a second water outlet; the filtering and decoloring device comprises a water inlet and a filtered and decolored water outlet; the UV disinfection device comprises a filtered and decolored water inlet and a disinfected water outlet; the storage device comprises a disinfected water inlet and a water outlet; the three-grid septic tank comprises a first grid, a second grid and a third grid which are connected, the first grid comprises a toilet flushing black water inlet, and the third grid comprises a mixed water outlet; the ecological percolation device comprises a mixed water inlet and a harmless water outlet.

The utility model belongs to the technical field of septic tanks, and particularly discloses an integrated pre-collection septic tank for sewage treatment, which comprises an equipment body, a feed pipe is arranged on the equipment body, and the inner wall of the equipment body is fixedly connected with a filter tank communicated with the inside of the feed pipe. The bottom of the filter box is fixedly connected with a collecting box communicated with the interior of the filter box, and one side of the collecting box is fixedly connected with the inner wall of the mounting plate. A cleaning frame can sweep garbage screened on the lower surface in the filter box through a brush, the swept garbage enters a collecting box to be collected in a centralized mode, meanwhile, the lower surface in the filter box is swept through the cleaning frame, and the situation that the garbage is attached to the lower surface in the filter box for a long time is reduced to a certain extent; meshes in the bottom plate of the filter box are blocked, so that the speed of sewage entering the equipment body is reduced.

The invention discloses a parallel septic tank construction method applied to double-layer deep and thick sludge geology, and relates to the technical field of building construction, the method comprises the following steps: S1, construction preparation; s2, supporting construction; s3, foundation reinforcement construction; s4, implanting a core pile: vertically pressing the core pile into the center of the stirring pile before initial setting of the stirring pile; s5, inner supports are installed, specifically, enclosing purlins and steel supports are constructed; s6, layered excavation is conducted, specifically, after the stirring piles reach the design strength, earthwork layered excavation is conducted till the foundation is reached; s7, pouring a support changing plate: pouring a reinforced concrete support changing plate at the bottom of the foundation pit; s8, parallel septic tank foundation construction is conducted, specifically, reinforcing steel bars are bound on the support changing plate, a formwork is erected, and a septic tank foundation is poured; s9, dismantling the inner support: dismantling the enclosing purlin and the steel support after the support plate to be replaced and the parallel septic tank foundation reach the design strength; s10, mounting a septic tank: hoisting the prefabricated septic tank in place; s11, the steel sheet piles are dismantled; and S12, septic tank backfilling construction is conducted. The construction method has the effect of improving the construction quality.

The utility model discloses a sewage treatment device which comprises a homogenizing tank, one side of the homogenizing tank is connected with a monitoring room through a first conveying pipe, the homogenizing tank is connected with a biological fluidization tank through a second conveying pipe, one side of an anaerobic digestion tank is connected with an ozone tank through a pipeline, and one side of the ozone tank is connected with a biological aerated filter through a pipeline. A plurality of aerators are arranged in the biological aerated filter, stirring blades and a motor are arranged in the homogenizing tank, and different kinds of sewage from the septic tank effluent collecting tank, the domestic sewage inlet and the production wastewater inlet can be fully mixed through stirring, so that the quality and the quantity of the sewage entering a subsequent treatment unit are more uniform; according to the sewage treatment system disclosed by the invention, by adopting a mode of synergism of multiple treatment processes, the anaerobic digester can decompose macromolecular organic matters into micromolecules by utilizing anaerobic bacteria, and multiple processes are combined, so that various pollutants such as organic matters, heavy metals and toxic and harmful substances in sewage are more thoroughly removed, and strict environment-friendly emission standards can be better met.

The invention discloses a green circular agricultural system which is scientific in system layout, and vegetable greenhouses are designed around paddy fields, ditches and roads to facilitate logistics. Sturdy and durable concrete frames and specially-made hollow cement bricks are adopted for block intervals, hollow channels are formed in internal roads, drainage and ventilation are facilitated, and combination of paddy fields and aquaculture is supported. In the rice growing period, the water surface gradually rises to the appropriate height of the rice to promote symbiosis of the rice and aquatic products; after ripening, the water surface is lowered to-0.5 m to facilitate harvesting, then the water surface is raised to + 0.5 m, and the water surface is lowered to-0.5 m in spring of the next year to be air-dried and then directly planted, so that efficient circulation is formed. A solar photovoltaic panel is arranged on the top of the sightseeing channel, green energy utilization is achieved, and water flowing is enhanced through an unpowered water pumping device. Excrement is converted into fertilizer by a septic tank in a spotted pig breeding area, so that resource recycling is realized. In the slack season, the ditch and the paddy field can be jointly used for aquaculture. The sightseeing function is achieved, the land utilization efficiency is improved, sustainable development is promoted, and high efficiency and diversification of agricultural production are achieved.

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.

A trailer type mobile sanitary apparatus includes a housing that forms an interior space having a flushable toilet and a wash basin. The trailer type mobile sanitary apparatus further includes a wash basin drainage system and a septic tank that is separated from the wash basin drainage system and includes a decomposer configured to separate liquids from solids for a separate discharge. The housing securely positioned on a tray type trailer with a septic tank being formed in the tray type trailer. The tray type trailer further includes a technical room with an electric system and a water supply system.

The present application relates to the technical field of glass steel septic tank, in particular to a glass steel septic tank, which comprises a septic tank body and a suspension type filler assembly, two partitions are installed between the inner cavity side walls of the septic tank body, a sewage pipe is communicated with the top of the septic tank body, and the suspension type filler assembly is installed in the sewage pipe, in the present application, the fiber combined filler placed in the septic tank can rapidly decompose and treat the incoming excrement, reduce the damage to the environment, and improve the treatment effect of the septic tank; when the septic tank needs to be cleaned, the sewage pipe can be opened, the sliding block is driven to slide by rotating the screw rod, the fixed rod is driven to fold by the first connecting rod, the area of the suspension type filler assembly is reduced, the suspension type filler assembly can be taken out from the sewage pipe, and therefore the suspension type filler assembly is not affected when the septic tank is cleaned, and the problem that the biological filler in the suspension type filler assembly is lost when the septic tank is cleaned is avoided.

The utility model provides septic tank identity card code acquisition and identification equipment, which comprises an equipment main body, a display screen is arranged on the front side of the equipment main body, a scanning assembly is arranged on the rear side of the equipment main body, the scanning assembly comprises a camera module, an auxiliary front sight module and a light supplementing module, and a light shielding plate is detachably arranged on the rear side of the equipment main body. According to the utility model, shielding can be flexibly adjusted according to illumination conditions, the problem of screen light reflection caused by direct sunlight is effectively avoided, the operation time cost in a strong light environment is greatly reduced, and the continuity of a code scanning process is ensured; meanwhile, through a built-in light supplementing module and an auxiliary front sight module, a precise recognition system under a low light condition is constructed, the problem that a code scanning area is difficult to position under a weak light environment is solved, low-efficiency operation of traditional equipment depending on experience exploration is avoided, code scanning time consumption is shortened, and operation efficiency under a complex light environment is remarkably improved.

A hardware (e.g., a process and / or circuitry) and / or software-based controller for septic system grinder or chopper units monitors load to the unit. As the unit encounters debris, electrical and mechanical load on the unit increases. In some cases, a signal to stop the unit from grinding / chopping (including but not limited to a signal based a waste-water level) is received while the unit is under the increased load. The controller may override the stop signal and continue sending power to the unit to clear the unit from debris causing increased load. The override may cease when it is determined that the debris has been cleared, such as when it is determined that the increased mechanical and / or electrical load on the unit has decreased or returned to a target load, allowing the unit to stop. The unit may include self-configuration functionality, determining thresholds for signaling override, target load, etc.

The invention provides a micro-water-flushing harmless sanitary toilet, and belongs to the technical field of toilets. The blow-off channel and the micro water flushing device are both connected with the toilet main body, the upper end of the blow-off pipe is connected with the blow-off channel, the lower end of the blow-off pipe is connected with the harmless septic tank, and the blow-off pipe is connected with an air draft pipe close to an inlet of the harmless septic tank; a water inlet is formed in the rear side of an inner cavity of the toilet bowl body and connected with a micro water flushing device. The harmless septic tank is located on the inclined side or the rear side of the toilet stool body and comprises a pre-fermentation tank, a harmless treatment tank and a liquid fertilizer storage tank which are sequentially arranged. The blow-off pipe adopts a straight pipe type design and is obliquely connected into the harmless septic tank; the micro water flushing device adopts an air pressure type flushing design, and the barrel body and the barrel cover are connected through an air cylinder assembly. The device has the advantages that water resources are saved, excrement odor is discharged, excrement adhesion of the toilet is reduced, black water is harmless, high-concentration liquid fertilizer is obtained, installation and maintenance are easy and convenient, the black water is harmless, and the cost is low, and the device is suitable for being used and popularized in rural areas.

A plastic article useful as a riser assembly for a septic tank or as part of another structure is comprised of a multiplicity of identical shape conical wall plastic risers. The risers are attached to each other at joints by tabs which engage rim segments; each end of the riser has alternating tabs and rim segments. A riser assembly wall undulates in the lengthwise direction. The risers nest within each other for shipment or storage.

The application discloses a single-drive multi-effect linkage type rural domestic sewage treatment device and method, and belongs to the field of rural sewage treatment. The device comprises a device cavity, a mixing chamber, a filtrate chamber, a multi-directional cooperation stirring mechanism and a linkage stirring mechanism, a differential pressure driven one-way backflow valve is arranged between the mixing chamber and the filtrate chamber, a recirculation pump, a pumping pipeline and a distribution nozzle are arranged in the mixing chamber, and a filter dish with a fabric filter is arranged below. The single-drive motor is used for driving the filter dish to reciprocating rotate and the stirring paddle of the filtrate chamber to reciprocating stir through bevel gears, chain wheels and gear strips. After the sewage is pretreated in a septic tank, the sewage enters the mixing chamber, is filtered by the fabric filter through intermittent spraying at a small flow rate, and is automatically and fully backflowed and recycled for purification at a low flow rate period, and is discharged after reaching the standard. The device has the advantages of simple structure, low energy consumption, convenient maintenance, adaptation to the characteristics of large fluctuation of rural sewage, high treatment efficiency, stable operation, and suitability for popularization and use in rural areas.

The application provides a modern excrement treatment device for broiler farm, and relates to the technical field of excrement treatment, which comprises a septic tank, the upper end of the septic tank is closed, a horizontal driving frame is installed on the top of the septic tank, and a controller is installed on one side of the driving frame; a dry-wet separation shaft is vertically and rotatably installed at a position close to the top of the inner cavity of the septic tank, the upper end of the dry-wet separation shaft penetrates through the top plate of the septic tank, and the lower end of the dry-wet separation shaft is fixedly connected with a ceramic filter disc with the same diameter as the inner cavity of the septic tank. Through the ceramic filter disc driven by a servo motor and reversely rotating clockwise, the control material frame arranged at a specific angle above the ceramic filter disc, and the occlusion mechanism composed of the upper knife table vertically and reciprocally movable driven by a cam and the fixed lower knife table, the active dredging, crushing and quantitative control of the excrement entering the separation zone are realized.