188 results about "Septic tank" patented 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 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.

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.

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.

The invention discloses a public toilet sewage recycling method. The method comprises the following steps: connecting water outlets of urinals, hand washing sinks and cleaning sinks of all floors to a primary purification sewage pool; connecting the primary purification sewage tank with a primary purification tank; water inlets of urinals and closet pans on all floors are connected with the primary purification water tank; effluent of closet pans of all floors is connected with a septic tank; the septic tank is connected with a primary purification sewage tank; a tap water pool is connected with hand washing pools and cleaning pools of all floors; the tap water pool is connected with the primary purification pool. The primary purification tank is used for deodorizing and sterilizing mild sewage generated by the urinal, the hand washing sink and the cleaning tank and then circularly flushing the urinal and the closet pan; sewage generated by the closet pan is precipitated and filtered by the septic tank and then pumped into the primary purification sewage tank for primary purification and recycling; tap water is used as standby water to be connected with the primary purification water tank and is supplied when the water level of the primary purification water tank is insufficient. According to the public toilet sewage recycling method, most of the sewage generated by the public toilet can be recycled, external tap water can be used at the minimum, the discharge capacity is reduced to the minimum, a large amount of tap water resources are saved, and the public toilet sewage recycling method is simple, efficient and environmentally friendly.

The utility model discloses an anti-odor glass fiber reinforced plastic septic tank which comprises a septic tank body, the upper end of a threaded splicing ring is fixedly connected with a suction fan, the edge of one side of the upper end of a threaded mounting block is communicated and provided with a water guide pipe, the lower end of the water guide pipe is communicated and provided with a spraying head, and the spraying head is vertically distributed at the lower end of the inner wall of a deodorization outer shell. The upper end of the water guide pipe is communicated with the water tank in a penetrating manner; and the water guide pipe is integrated with a water pump. According to the odor-returning-preventing glass fiber reinforced plastic septic tank, two groups of backflow prevention can be conducted on the liquid inlet and the liquid outlet through the one-way valves, odor returning prevention can be assisted through the flow guide pipe, odor in the glass fiber reinforced plastic septic tank can be sucked through the suction fan, efficient filtration is conducted through the filter block and the spray header, and therefore the odor concentration is reduced, and the odor returning prevention effect is achieved. Moreover, the deodorization outer shell is convenient to screw, disassemble and assemble, the filter block is convenient to independently pull, disassemble and assemble, and the suction fan is convenient to independently disassemble and assemble, so that the use effect is better.

The utility model discloses a multistage deposition glass steel tank, belongs to the technical field of tank, including jar body and filter screen replacement mechanism, two baffle plates are fixedly connected between jar body inner wall, and every baffle plate outer wall is established respectively with first water pass hole and second water pass hole, and filter screen replacement mechanism includes mounting shaft, and mounting shaft rotationally embeds between two baffle plate outer walls, and two baffle plates divide jar body into three deposition cavities, and it is convenient for sewage and excrement to carry out multistage deposition, and first water pass hole and second water pass hole communicate three cavities, and under initial state, one of the filter screen plate on two mounting plates is located on first water pass hole and second water pass hole respectively, and it is convenient to improve its multistage deposition effect through filter screen plate, and the mounting shaft rotation between two baffle plates, and it is convenient to drive the position transformation of multiple filter screen plates on mounting plate, and then it is convenient to carry out the quick replacement of filter screen plate on first water pass hole and second water pass hole, and the use effect of tank is improved.

The utility model discloses an integral forming die for a septic tank, which relates to the technical field of dies and comprises an outer die, an inner die and an inner die. The base is constructed on the lower portion of the outer mold, a support is fixed to the upper portion of the base, and the surface of the support is connected with the outer mold through a rotating rod; a transmission assembly used for driving the outer mold to move around the rotating rod is installed on the surfaces of the supports, a knocking assembly capable of moving in the vertical direction is connected between the supports, and the transmission assembly comprises a motor, an eccentric wheel and a swing part; according to the utility model, the support and the rotating rod are connected with the mold, so that the mold can move, and the transmission assembly is constructed on the surface of the support, so that when the transmission assembly operates, power can be transmitted to the rotating rod, and at the moment, the rotating rod can drive the mold to swing back and forth; and raw materials in the mold can be more full in the swinging process, gaps are reduced, the mobility of the raw materials is improved, and therefore the filling efficiency is improved.

1. The name of the design product: septic tank well lid (groove plus municipal sewage cover type A). 2. The use of the design product: for closing the top surface of septic tank. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: change state reference figure 1. 5. The rear view of the design product is not easy to see or not visible when in use, omit the rear view.

The invention relates to the technical field of ecological agriculture circulation, and discloses an agricultural economic water resource irrigation automatic circulation water replenishing device which comprises a fermentation tank, a septic tank, a water storage barrel and a water collecting hopper, the fermentation tank and the septic tank are connected through a pipeline, a mounting seat is mounted at the top of the water collecting hopper, a motor is mounted in the mounting seat, and the motor is connected with the water storage barrel through a pipeline. A connecting shaft is movably connected to a through hole in the top of the mounting base through a bearing, and a movable base is fixedly connected to the top of the connecting shaft. The water collecting hopper is additionally arranged and matched with the scraper to move along the surface of the filter screen, so that impurities attached to the surface of the filter screen can be scraped off in real time. Meanwhile, by means of reciprocating motion of the rubber piston in the fixed box, external air can be intermittently injected into the fermentation tank through the air ejector pipe by means of periodic change of air pressure in the fixed box, the intermittent oxygen supply mode can accurately match the aerobic characteristics of microorganisms in different fermentation stages in the fermentation tank, and energy waste caused by continuous oxygen supply is avoided.

The invention relates to the technical field of sewage treatment, in particular to a modular rural sewage discharge pipeline system which comprises a classified collection module, a confluence adjustment module, a dynamic treatment module, an intelligent control module and a linkage execution module. Kitchen sewage sequentially flows through an oil separation well installed at an outlet of a kitchen drainage pipe and a pre-sinking well located on the outer side of a main building, bathroom sewage is connected into a septic tank, washing sewage directly enters the pre-sinking well, and source classification pretreatment is achieved; in a single-household scene, sewage is collected through a water collecting well located at the downstream of the pre-sinking well and the septic tank, in a double-household scene, the pre-sinking well and the shared water collecting well are connected in parallel for cooperative collection, a liquid level sensor and an electric control valve are arranged in the water collecting well, and a flow dividing path is automatically opened and closed according to the water level. Cooperative operation of source classification, dynamic allocation, intelligent treatment and automatic operation and maintenance is achieved, and the adaptability, efficiency and intelligent level of rural sewage treatment are improved.

A connector for use with a riser pipe coupled to a septic tank including a chamber and an access opening to the chamber. The connector includes a body having a cylindrical portion and a flange exterior of the cylindrical portion, and the body is defined by a first section having a first interlock feature on the flange and a second section having a second interlock feature on the flange complementary to the first interlock feature. The first section and the second section are removably attachable to each other via engagement of the first interlock feature and the second interlock feature and cooperatively defining a continuous perimeter. The first section and the second section further cooperatively define a first surface configured to be coupled to the septic tank or the riser pipe.

The utility model discloses a septic tank manure thin and thick diversion device, which comprises a delivery pipe, the inner wall of the delivery pipe is fixedly connected with a diversion pipe, the surface of the delivery pipe is fixedly connected with a mounting plate and a controller, the inner wall of the mounting plate is fixedly connected with an electric telescopic rod, and the inner wall of the electric telescopic rod is fixedly connected with a motor. The output end of the electric telescopic rod penetrates through the inner wall of the conveying pipe and is fixedly connected with a push plate, and the inner wall of the conveying pipe is fixedly connected with a sieve plate. The sieve plate is parallel to the direction of the output end of the electric telescopic rod, so that the push plate can be attached to the surface of the sieve plate to move during movement, and the push plate drives the ejector rod to apply pressure to the baffle during shunting operation, so that the baffle which blocks the shunting pipe originally rotates, and the L-shaped hook moves to shovel out thick dirt accumulated in the scraping groove and clean filtering holes; and thick dirt is pushed into the flow dividing pipe through the push plate, and after the push plate is reset, the baffle can be reset through the first spring for sealing.

This invention relates to the field of septic tank cleaning technology and discloses a septic tank cleaning device, comprising: a sinking protection mechanism, wherein a centrifugal separation mechanism and a pumping mechanism are respectively installed inside the sinking protection mechanism, with the centrifugal separation mechanism located below the pumping mechanism; a reinforcing flow-blocking mechanism is fixedly connected to the surface of the sinking protection mechanism; a lifting guide support mechanism is movably connected to the inner wall of the reinforcing flow-blocking mechanism; a lifting winding mechanism is provided at the top of the lifting guide support mechanism; a confluence holding mechanism is provided at one end of the sinking protection mechanism; and a pressure scraping mechanism is provided at one end of the confluence holding mechanism. This septic tank cleaning device can use the rotational separation pump of the centrifugal separation mechanism and the pumping mechanism to pump water from the septic tank as a water source when there is no water tank or tap water pipe, and achieve flushing and cleaning of the septic tank with the assistance of an external air pump, reducing the limitation on water source when using water flow for septic tank cleaning.

The utility model discloses a prefabricated reinforced concrete septic tank, which relates to the technical field of septic tanks, and comprises a base, the top surface of the base is in sliding connection with a plurality of first prefabricated blocks, the top surface of each first prefabricated block is provided with a sealing groove, each sealing groove is internally provided with a sealing strip, and the first prefabricated blocks and the second prefabricated blocks are in sliding connection. The top surface of each first precast block is provided with a second precast block in a clamping manner, the bottom surface of each second precast block is provided with a positioning mechanism, and the bottom surface of each second precast block is symmetrically provided with a plurality of limiting blocks. According to the device, the installation precision between the first precast blocks and the second precast blocks is improved, sealing communication between the first precast blocks and sealing connection between the first precast blocks and the second precast blocks can be achieved, sewage can be prevented from leaking from the connecting positions, and the device is simple in combination and suitable for popularization.

The invention discloses a global energy complementation and solid waste cooperative treatment system based on day and night time difference satellite microwaves, and belongs to the technical field of new energy scheduling and environment-friendly solid waste treatment. According to the system, on the basis of a satellite microwave transnational energy complementation scheduling architecture based on day and night time difference, photovoltaic surplus abandoned electricity is converted into microwave signals, transnational directional transmission is realized through a low-orbit relay satellite cluster, and meanwhile, surplus microwave energy is transmitted to realize transnational energy complementation. And solid wastes such as household garbage, excrement in a septic tank and sludge in a sewage treatment plant are subjected to closed anaerobic microwave cracking treatment. According to the system, five core modules of new energy waste electricity collection, microwave conversion emission, low-orbit relay satellite cluster, ground microwave receiving rectification and intelligent time difference scheduling control are reserved, a microwave solid waste cracking treatment module and a product separation and recovery module are additionally arranged, solid waste can be automatically separated into condensate water, combustible gas, fuel oil and sterile carbon residues, and full resource utilization is achieved. The two problems of photovoltaic abandoned electricity waste and solid waste pollution are synchronously solved, fossil energy consumption is zero, secondary pollution is avoided, the new energy utilization rate is greatly increased, the traditional solid waste treatment bottleneck is thoroughly broken through, and an integrated innovative solution is provided for global low-carbon energy development and ecological environment protection.

The present application relates to sewage treatment technical field, specifically to a kind of integrated sewage treatment device, including septic tank, adjusting pool group and MNR pool connected in order from left to right, further including composite enzyme mixed feeding device, installation is in adjusting pool group top, and its bottom is communicated with adjusting pool group top, composite enzyme mixed feeding device uses three-stage function partition setting, solve the existing technology in the treatment Yellow River Basin rural sewage inefficiency, only can reduce part of domestic sewage nitrogen load, phosphorus removal is almost ineffective, and large floor area, high energy consumption, with rural living characteristics serious incompatibility, simultaneously, solid-liquid form mixed enzyme agent dosing process solid enzyme agglomerate easily appear and block dosing port, liquid and solid enzyme mixing uneven situation, lead to enzyme utilization rate reduction, not only waste reagent, also possibly due to local enzyme concentration too high secondary pollution, even intensify equipment plugging risk, lead to biological enzyme application effect limited problem.

The utility model relates to public lavatory technical field provides a kind of low energy consumption green intelligent public lavatory system, comprising: rainwater collecting mechanism, rainwater collecting mechanism includes water storage pool and rainwater collecting plate, rainwater collecting plate makes rainwater have the tendency of flowing to water storage pool;Multiple squatting mechanism, multiple squatting mechanism is arranged at intervals, and squatting mechanism includes squatting pan and water tank, and the water outlet of water tank is communicated with the water inlet of squatting pan;Water pump, the water inlet of water pump is communicated with water storage pool, and the water outlet of water pump is communicated with the water inlet of water tank;Single-cell septic tank, single-cell septic tank is installed underground, and the water inlet of single-cell septic tank is communicated with the water outlet of squatting pan;Double-cell septic tank, double-cell septic tank is installed underground, and the water inlet of double-cell septic tank is communicated with the water outlet of single-cell septic tank, and the water outlet of double-cell septic tank is deeply into underground;Exhaust vertical pipe, exhaust vertical pipe is communicated with single-cell septic tank and double-cell septic tank.

The invention relates to the technical field of pouring molds, in particular to a septic tank concrete prefabricated part pouring mold which comprises a base, a baffle and an extrusion block, an air cylinder is fixedly connected to the center of the bottom end of the base, a king-shaped ejector rod is arranged at the center of the top end of the base, and a square rod is fixedly connected to the bottom end of the king-shaped ejector rod; the output end of the air cylinder is fixedly connected with the bottom end of the square rod, baffles are symmetrically arranged at the top end of the base, and U-shaped inserting rods are movably installed on the sides, away from each other, of the multiple baffles. During mold fixing, only the U-shaped insertion rod needs to be slid to be inserted into the insertion groove, the square rod descends to drive the triangular block to extrude the trapezoidal block, then the extrusion block can automatically clamp the U-shaped insertion rod to complete locking, screws do not need to be screwed one by one or an outer support does not need to be erected, and the mold fixing time of a single set of mold can be shortened to be within 10 minutes.

The utility model discloses septic tank bottom impurity cleaning equipment, and relates to the field of septic tank cleaning equipment. The septic tank cleaning device comprises a septic tank, a conveying belt is arranged in the cleaning device, multiple sets of rake teeth are arranged on the surface of the conveying belt, a driven wheel is arranged at one end of a cleaning roller, a driving wheel is arranged at one end of the conveying belt, and a belt is arranged on the outer side of the driving wheel and the outer side of the driven wheel in a sleeved mode. The driving wheel is connected with the driven wheel through the belt, synchronous rotation of the conveying belt and the cleaning roller is achieved, due to the fact that the rake teeth and the thorn teeth are arranged in a staggered mode, when the rake teeth fish impurities and pass through the cleaning roller, the thorn teeth can scrape away garbage wound or attached to the rake teeth, accumulation of the garbage on the rake teeth is reduced, and the cleaning effect is improved. The influence on the cleaning effect of the septic tank due to excessive garbage is avoided, and the residual dirt on the rake teeth is also reduced, so that the grille cleaner is more convenient to use, and the cleanliness is also improved.

Disclosed is a septic tank gas control system comprising: detection sensors for detecting detection signals for each of methane (CH4), hydrogen sulfide (H2S), and ammonia (NH3); and a spray device for spraying a spray liquid into the inner space of a septic tank in response to receiving the detection signals from the detection sensors, wherein the spray device comprises: a communication module for receiving the detection signals from the detection sensors; and a processor operatively connected to the communication module. The processor determines a ratio for mixing water and lactic acid bacteria provided in a first tray of the spray device when receiving a detection signal through the communication module, and controls the spray liquid to be sprayed from a spray port connected to a second tray on the basis of the position of a detection sensor detecting the detection signal among the detection sensors when the water and the lactic acid bacteria are mixed in the form of the spray liquid on the second tray of the spray device according to the ratio. Various other embodiments as identified through the present document are also possible.

An ingress device assembly is configured to be used with a septic tank that has a chamber and an access opening and a riser extending from the chamber. The ingress device assembly includes a connector including a flange including a first section and a second section cooperatively defining a perimeter of the connector and an inner bore configured to align with the access opening, the first section having a first interlock feature and the second section having a second interlock feature engaged with the first interlock feature; and an ingress device removably and rotatably coupled to the connector, the ingress device including a body configured to extend across at least a portion of the access opening.

The excrement treatment system comprises a septic tank, at least two sequentially adjacent partition plates are arranged in the septic tank at intervals so as to divide an inner cavity of the septic tank into at least a first septic cavity, a second septic cavity and a third septic cavity which are sequentially adjacent, overflow ports are formed in the partition plates in a penetrating mode so as to be communicated with the two adjacent septic cavities, and the overflow ports are communicated with the first septic cavity, the second septic cavity and the third septic cavity. A maintenance part is arranged at at least one septic cavity; the sewage treatment device is communicated with the last-stage septic cavity; the sediment pumping and discharging opening is formed in the bottom of the septic tank and is used for being externally connected with a sediment treatment device. According to the septic tank provided by the utility model, waste liquid can sequentially flow along the first septic cavity, the second septic cavity and the third septic cavity, and the flowing path of the waste liquid is increased to a certain extent, so that the solid-liquid separation degree can be improved, and the waste liquid can be better purified; through the arrangement, a user does not need to frequently and manually clean excrement in the black water tank, the excrement treatment efficiency is high, and the user experience is improved.

The utility model relates to a septic tank sewage lifting integrated structure, relates to sewage treatment field, including three format septic tank, three format septic tank includes the first stage sedimentation fermentation tank, secondary filter tank, third stage clarifier that set up in turn from water inlet to water outlet. Secondary filter tank or third stage clarifier is equipped with independent water collecting well. When water collecting well is arranged in third stage clarifier, water collecting well is the open structure with the right pool wall of third stage clarifier, and water collecting well includes front wall, back wall, left wall, the right pool wall of third stage clarifier and bottom wall; bottom wall is connected in the middle part of the right pool wall of third stage clarifier; the top of water collecting well wall is higher than the conventional water level of third stage clarifier. Solve the problem that septic tank's discharge port position is higher than the access point of municipal pipe network or sewage channel in mountainous area or the place where sewage channel water pump is very high, and sewage discharge is inconvenient; simultaneously solve the problem that when the water quantity handled by septic tank suddenly increases, sludge will flow to municipal with sewage, and sludge deposition in municipal pipe increases.

This utility model discloses a system for the treatment and recycling of domestic sewage in courtyards, relating to the field of environmental protection technology. It includes a three-compartment septic tank, a leachate tank, a multi-stage composite packing infiltration system, a water storage tank, a water distribution tank, and a rhizosphere water distribution system, connected in sequence. The multi-stage composite packing infiltration system comprises multiple layers of composite packing material and a surface planting layer. Each composite packing layer is composed of multiple modular structures. Each modular structure includes a box, with handle holes on its side walls. The distance between the handle hole and the top of the box is less than the thickness of the boss. Adjacent boxes on the same layer are fixedly connected by plugs. The thickness of the plugs is greater than the thickness of one handle hole but less than the thickness of two handle holes. The leachate tank is located on the ground. The modular structure of this utility model, through the handle hole and plug design, ensures horizontal connection stability. By adding a leachate tank, the discharge pressure of the sewage pump is reduced, ensuring the normal operation of the sewage pump.