41results about "Sewerage structures" patented technology

A protector for the inlet into a sewer system includes a straight or annular, porous tubular casing for placing on or around the periphery of a sewer grate; a skirt extending inwardly or outwardly from the bottom of the casing for overlapping the side edges of a sewer opening so the grate retains the protector in the use position; and a filler in the casing for maintaining the casing in an expanded condition, at least one of the casing, the skirt and the filler being permeable to water and impermeable to contaminants, whereby water can flow into the system while contaminants are blocked.

The invention relates to a separate system controlling sewage and initial rainwater pollution. The separate system controlling sewage and initial rainwater pollution comprises a rainwater pipeline, asewage pipeline and separating control units. The rainwater pipeline and the sewage pipeline are parallel. The rainwater pipeline is provided with a plurality of separating control units. Each separating control unit is connected with the sewage pipeline through a separating pipeline. Each separating control unit comprises a separating well, wherein one side of the separating well is provided witha first inlet, the other side of the separating well is provided with a first outlet corresponding to the first inlet, the first inlet and the first outlet are connected with rainwater pipeline sections on the two sides of the separating well correspondingly, and the side, close to the sewage pipeline, of the separating well is provided with a second outlet. Each separating control unit is provided with a passage control unit which is used for controlling the opening degree of the second outlet. The separate system controlling sewage and initial rainwater pollution creatively adopts a rainwater pipeline separating manner and avoids the situation that initial rainwater of rainfall, ground cleaning sewage and mixed discharge of sewage and rainwater pollute natural water.

The invention discloses a partial-vacuum closed drainage system and a control method the drainage system. The drainage system comprises sanitary ware, a closed sewage collection box and a sewage draining machine unit, wherein the sanitary ware is mounted in a toilet; the closed sewage collection box and the sewage draining machine unit are mounted in an equipment room; the sanitary ware is connected with an inlet of the closed sewage collection box by a sewage draining pipeline I; an outlet of the closed sewage collection box is connected with the sewage draining machine unit by a sewage draining pipe II; the closed sewage collection box is provided with a vent pipeline III communicated with the outside; and the sewage draining machine unit is provided with an electric control unit. According to the drainage system and the control method, gas in the toilet is discharged to a municipal sewage draining pipe network through the closed sewage collection box and the sewage draining machine unit by controlling an electric valve and opening and closing of the electric valve, and utilizing the self-absorption function of a rotary cam pump; and the air quality of the toilet can be improved greatly in case that that underground ventilation is not smooth.

The present invention discloses an ecological garden rainwater cyclic utilization system. The ecological garden rainwater cyclic utilization system comprises a water pool, a right outer wall of an inserted rod is in clearance fit with a right upper inner wall of the water pool, a left middle inner wall of a box body and a left middle inner wall of a spring, a push block sleeve the right outer wallof the inserted rod, a right end of the push block is attached to a left end of the spring, and a right end of the spring is attached to a right inner wall of the box body. In the ecological garden rainwater cyclic utilization system, a filter plate is fixed in a support plate, so that the filter plate can be rapidly disassembled, problems that a filtering structure on the rainwater cyclic utilization system mostly adopts bolts for connection and is time and effort-wasting to disassembly and change are solved, a sliding rod drives a scraping plate to move left and right to clean filterable debris on the filter plate to prevent the filter plate from blocking up, and problems that in the ecological garden cyclic system, the filterable debris on the filter plate cannot be timely cleaned, thefilter plate is blocked up, and the cyclic system is paralyzed are solved.

The invention discloses a municipal rainwater drainage device capable of avoiding blockage and a rainwater drainage method, and relates to the technical field of municipal rainwater drainage. The municipal rainwater drainage device comprises a plurality of drainage bases and an anti-blockage mechanism, the drainage bases are attached together, L-shaped drainage holes are formed in the right end faces of the drainage bases, connecting bases are perpendicularly arranged on the drainage bases, the anti-blockage mechanism comprises a rotating roller, a plurality of evenly-distributed first supporting rods are arranged at the highest point of the radial side wall of the rotating roller, and a first filter screen capable of filtering rainwater impurities at the right side openings of the L-shaped drainage holes is arranged between every two adjacent first supporting rods. According to the municipal rainwater drainage device capable of avoiding blockage and the rainwater drainage method, the plurality of drainage bases are attached together and installed at the side position of a roadside roadbed, it is ensured that the lowest point of a right opening of each L-shaped drainage hole is lower than the height of the road surface, rainwater conveniently flows into the L-shaped drainage holes, meanwhile, impurity particles in the rainwater are prevented from entering the L-shaped drainage holes through the anti-blockage mechanism, the L-shaped drainage holes are prevented from being blocked, and therefore, the purpose of rainwater drainage is achieved.

The invention discloses a seepage and draining well. Through holes are formed in four walls of the seepage and draining well, a gravel layer covers the outer side of each of the four walls, a filter screen wraps the outer side of each gravel layer, and an external connecting pipe opening is formed in one of the four walls. The seepage and draining well is a part of an urban sewerage system; after water flows into the seepage and draining well from a well head and when the water is drained from the external connecting pipe opening, the water in the seepage and draining well continuously permeate in soil on the periphery through the through holes of the four walls, the water draining amount of the seepage and draining well is increased on the premise of not affecting normal urban water draining, the water content of underground soil is guaranteed, growth of vegetation is facilitated, and water and soil loss is prevented.

The invention discloses a sponge city low-lying land multistage cascading rotary purification system. The system comprises a desilting water collection pool, a rotary purification canal and a reservoir. The desilting water collection pool is disposed at the top of a low-lying land. The rotary purification canal is in spiral downward arrangement along the periphery of the low-lying land, and is isolated into several purification units by several concrete baffle plates. Each purification unit is equipped with an antiscour layer, a soil layer, a coarse sand layer and a purification layer from top down in order, the soil layer and the purification layer are internally provided with water absorption discs, two sides of the purification layer extend to the purification unit surface layer, and the section is in U-shaped distribution. Water permeable geotextile is disposed at the contact part of the purification layer and the soil layer and the coarse sand layer. The reservoir is arranged at the bottom of the low-lying land, and the bottom is provided with a water pumping pump. The system provided by the invention not only can green and beautify the environment, but also can absorb heavy metals and other hazardous substances in water, and is of important reference significance for urban non-point source pollution control, rainwater purification recycling and sponge city construction.

A liquid-sealed sewage discharge system is mainly used for quick connection and removal between the sewage pipe of a caravan and a fixed sewage outlet, and solves the problem of difficult and irregular sewage discharge of a caravan. This system consists of two parts, one is the sewage outlet for receiving the sewage from the RV, which is funnel-shaped and consists of a cone bowl and a funnel mouth; the other is the harmful gas blocking part, which is a flexible ring-shaped water bag. After water injection, The ring-shaped water bag will cling to the cone bowl, and at the same time tightly wrap the RV drain pipe to seal and fix the RV drain pipe. The invention belongs to the technical field of domestic sewage collection.

The invention discloses a fixed depth treatment device for seepage well filling material layer blockage suspensions. The device comprises an air bag, wherein a steel pipe covers the air bag; one end of the steel pipe is connected with a submersible pump through a back filling and back throwing converter; the other end of the steel pipe is connected with a centrifugal pump through a three-way valve; the centrifugal pump is connected with a water tank; an air inlet valve is arranged on an air bag; the air inlet valve communicates with an air pump; an air outlet valve is installed. The inventionalso discloses a method for treating the filling material layer blockage suspensions. The method comprises the following steps of putting a submerged pump, the back filling and back throwing converterand the air bag into a seepage well; putting the centrifugal pump into a water tank; inflating the air bag till the contact with the inner wall of the seepage well; then, filling water into the wellthrough the steel pipe; after the full filling, enabling the water flow to upwards move along the lower filtering material layer of the air bag; impacting out the blockage suspensions; then, deflatingthe air bags; opening a submerged pump for extracting out muddy water; after the extraction completion, taking out equipment; completing the dredging. The fixed depth treatment device for seepage well filling material layer blockage suspensions and the method provided by the invention realize the fixed depth unblocking of the seepage well filling material layer blockage suspensions; the treatmentprocess is efficient, convenient and fast.

The invention discloses a biological safety type floor drain. The biological safety floor drain comprises a floor drain main body, a panel, a filtering mechanism and a cover plate; the outer side of the floor drain main body is fixed to ground cast-in-place concrete, and the lower end of the floor drain main body is connected with a lower water pipe; a round hole matched with the upper end of thefloor drain main body is formed in the middle of the panel, the round hole position of the panel is connected with the upper end of the floor drain main body, and the lower side face of the panel is connected with ground; and the filtering mechanism is arranged in the floor drain main body and is positioned on the lower side of an opening of the floor drain main body in height; and the cover platecovers the opening position of the floor drain main body. The biological safety floor drain has the beneficial effects that the cover plate, the filtering mechanism, the panel and the floor drain main body are adopted; the cover plate is sealed when not used at ordinary times so as to prevent odor from returning to a room; the filtering mechanism is used for collecting animal feces and dirt, andafter the animal feces and dirt are collected, the filtering mechanism is taken out so that the dirt can be poured out, and meanwhile the filtering mechanisms of different specifications can be replaced according to different animals so as to achieve the purpose of feces and dirt collection, in this way, the lower water pipe is prevented from being blocked, and the feces can be collected conveniently; and finally, the panel is used for being connected with the ground, so that firm and flat installation of the floor drain is guaranteed.

The invention provides a compatible plastic inspection well. Two same V-shaped shells are included; each shell comprises two symmetrical side faces, a bottom face and a top face provided with an opening; the edge position of each shell is provided with a protruding edge; each protruding edge is provided with a plurality of through holes; and the two shells are connected through a threaded fastenerto form the inspection well with an opening in one end. The inspection well can achieve compatibility with pipelines in various specifications and calibers and achieve combination of various connection manners, the mold investment cost is greatly reduced, and the product producing period is shortened. The inspection well is formed by assembling the two shells, concentrated split manufacturing, batch transporting and on-site combining assembling can be achieved, and the beneficial effects that weight is small, strength is high, and assembling is easy are achieved; and besides, the inspection well and a pipeline connection hole are connected through a flange, and the beneficial effects that connection with a pipeline is convenient and fast, and sealing of a connection port is reliable are achieved.

The invention discloses a sewage collection tank system, which comprises a sewage collection tank, an exhaust port, an oxygen concentration sensor, a carbon dioxide concentration sensor, a methane concentration sensor, a carbon monoxide concentration sensor, a floating ball liquid level switch, a blow-down pipe, a blow-down electromagnetic switch, a blow-down pump, a liquid level sensor, a sewage receiving pipe, a sewage receiving electromagnetic switch, a controller and an alarm, wherein the sewage receiving electromagnetic switch is arranged in the sewage receiving pipe; the controller and the alarm are are arranged in a sewage monitor room; and the oxygen concentration sensor, the carbon dioxide concentration sensor, the methane concentration sensor, the carbon monoxide concentration sensor, the floating ball liquid level switch, the blow-down electromagnetic switch, the blow-down pump, the liquid level senor, the sewage receiving electromagnetic switch and the alarm are connected to the controller by virtue of cables. By virtue of the floating ball liquid level switch which is added in the sewage collection tank system, a liquid level can be comprehensively judged in combination with the liquid level sensor, so that the time of starting a sewage pump can be effectively controlled; therefore, purposes of efficiently, automatically and effectively storing wastewater and balancing water quality and water quantity of the wastewater can be achieved.

The invention provides an automatically opened and closed floor drain. The floor drain can be automatically opened in need and closed at ordinary times, so as to prevent odor gas in a pipeline downstairs from running into a room upstairs along the floor drain. The automatically opened and closed floor drain comprises a water inlet bowl, a partition and a pipe body, wherein the pipe body upwards passes through the water inlet bowl and is fixedly connected with the water inlet bowl; the top end of the pipe body is closed; the pipe body is provided with a water drainage port for communicating thewater inlet bowl with the inside of the pipe body; a filter net is arranged at the water drainage port; the upper part of the water inlet bowl is of a straightly tubular structure; the partition is arranged on the pipe body in a sleeving manner through a limiting through hole in the middle part of the partition; the middle part of the partition is provided with an annular inner convex edge slidably matched with the pipe body; an annular outer convex edge is arranged at the edge of the partition; an inwards protruding annular anti-separation plate is arranged at the top end of the water inletbowl; the diameter of the annular outer convex edge is less than the inner diameter of the straightly tubular structure; the diameter of the annular outer convex edge is greater than that of the annular anti-separation plate; and a spring for enabling the partition to move upwards to be abutted with the annular anti-separation plate is arranged between the partition and the water inlet bowl.

The invention discloses a multifunctional connecting pipe for a floor drain structural layer, which is used for connecting a floor drain with an embedded pipe and comprises an inner pipe and an outer pipe, the outer diameter of the pipe wall of the inner pipe is slightly smaller than the inner diameter of the embedded pipe, the thickness of the pipe wall is the same as that of the embedded pipe, and inner pipe wall holes are formed in the periphery of the pipe wall of the inner pipe in a segmented mode. An outer pipe wall hole is formed in the position, corresponding to the inner pipe wall hole, of the outer pipe; the outer pipe is a thin-walled pipe, the outer pipe and the inner pipe form a gap cavity, the gap cavity comprises a cavity layer and a filter gauze cavity layer, the area between the inner pipe wall hole and the outer pipe wall hole is the filter gauze cavity layer, and a partition plate is arranged between the filter gauze cavity layer and the cavity layer. An outer pipe of the cavity layer is stripped from the multifunctional connecting pipe, the pipe is inserted into the embedded pipe for connection, the upper end of the pipe is connected with the floor drain, it is guaranteed that a lower opening of the filtering cavity layer is flush with the top face of the structural plate, at the moment, air pressure and accumulated water in the structural layer can be discharged through the filtering cavity layer, and the engineering quality is guaranteed.

The invention provides a drainage structure for a building. The drainage structure for a building comprises an inspection chamber and a water seal chamber, wherein the water seal chamber communicateswith the inspection chamber, a partition piece is arranged between the inspection chamber and the water seal chamber, the water seal chamber communicates with the inspection chamber from the top of the partition piece, a first water inlet channel is formed in the inner wall of the water seal chamber, and the height of the partition piece is smaller than or equal to that of the first water inlet channel; and a drainage pipe is arranged in the first water inlet channel, a water outlet of the drainage pipe is located in the water seal chamber, and the height from the water outlet to the bottom ofthe water seal chamber is smaller than that from the tail end of the partition piece to the water seal chamber. According to the invention, a water seal well and an inspection well are integrally arranged, so that the occupied space of the water seal well and an inspection well is reduced, more space can be provided for other facilities (such as basements and outdoor pipe networks) of buildings,and the construction convenience is improved.

The invention relates to the field of building waterproof construction, and particularly discloses a basement bottom plate waterproof structure and a construction process thereof. The basement bottom plate waterproof structure comprises a base layer, wherein a bottom plate is arranged on the base layer, a plurality of supporting blocks are fixedly connected to the upper surface of the base layer, overflow grooves are formed between the supporting blocks, connecting parts are fixedly connected to the upper surfaces of the supporting blocks, supporting plates are arranged on the upper surfaces of supporting seats, avoiding holes are formed in the supporting plates, the connecting parts are inserted into the avoiding holes, and supporting grooves matched with the connecting parts are formed in the lower surface of the bottom plate. The construction process of the basement bottom plate waterproof structure comprises the following steps that firstly, the base layer is formed, then the supporting plates are erected on the base layer, and pouring forming of the bottom plate is carried out above the supporting plates. The basement bottom plate waterproof structure and the construction process thereof have the effect of improving the waterproof performance of the basement bottom plate.

Disclosed is a comprehensive rainwater conservation system based on a sponge city. The comprehensive rainwater conservation system comprises a rainwater filtering layer, a water collecting tank and a water supply device; the rainwater filtering layer communicates with the water collecting tank; a filtering water tank is arranged in the water collecting tank; and the water collecting tank and the filtering water tank are separated through a first filtering plate. According to the comprehensive rainwater conservation system, rainwater in the water collecting tank is partially filtered, water source supply under different industrial requirement conditions is met, rainwater collected by the sponge city is effectively utilized, and the effect of improving the rainwater utilization rate is achieved; and meanwhile, an emergency water pipe is additionally arranged between a first water tank and a second water tank, so that the utilization rate of the rainwater is further improved.

The invention provides septic tank based reconstructed rainwater treatment equipment. The equipment comprises initial rainwater storage tanks which are formed by improving the septic tanks, water inlets of the initial rainwater storage tanks communicate with rainwater branch pipes, water outlets of the initial rainwater storage tank communicate with initial rainwater collection ports, first switches are arranged at the water inlets of the initial rainwater storage tanks, and second switches are arranged at the water outlets of the initial rainwater storage tanks. When the first switches are turned on, initial rainwater in the rainwater branch pipes flows into the initial rainwater storage tanks formed by improving the septic tanks to be stored, and when the second switches are turned on, the initial rainwater in the initial rainwater storage tanks formed by improving the septic tanks flows into the initial rainwater collection ports to be output through the initial rainwater collection ports. The waste septic tanks is transformed and utilized, and the characteristics of low transformation cost, simplicity in implementation and wide adaptability are achieved.

The invention discloses a convenient to clean inspection well and relates to the technical field of inspection wells. The convenient to clean inspection well comprises a well foundation, a well bottom, a well body, a well lid base and a well lid, wherein a first sieve plate and a second sieve plate are fixed in the well body; the mesh of the first sieve plate is smaller than that of the second sieve plate; one end of the well body is fixedly connected with the top end of the well bottom through a connecting piece and a bolt; a plurality of first bulges, a plurality of second bulges and a plurality of sliding rails are uniformly fixed on the inner surface of the well body in an annular shape; the first bulges are positioned above the second bulges; and the first bulges, the second bulges and the sliding rails are distributed at intervals. According to the convenient to clean inspection well, the first sieve plate and the second sieve plate are arranged for screening, so that the situation that the well is blocked when larges-scale garbage, or pebbles or excessive sandy soil falls into the well is avoided; and through arranging a rectangular sliding block, a penetrating notch, a rectangular groove, a retaining ring, a safe hook, a nylon rope, a blocking ring and a flow guiding ring, the problems that the existing inspection well is likely to block and is inconvenient to clean aresolved.

The invention relates to a sealing and odor-preventing floor drain. The floor drain comprises a floor drain shell, a floor drain cover, an inner pipe, a floating ball and an outer pipe, wherein the floor drain shell is in a bowl shape, a through hole for installing the inner pipe is formed in the center of the bottom of the floor drain shell, the floor drain cover corresponds to the floor drain shell, a filtering hole is formed in the floor drain cover, the inner pipe is a cylinder, the interior of the inner pipe is hollow, the two ends of the inner pipe are provided with holes which are a water inlet hole and a water outlet hole correspondingly, and one end of the water inlet hole is connected with the floor drain shell; and the floating ball is arranged in the inner pipe, the diameter ofthe floating ball is larger than the diameter of the water outlet hole and is smaller than the inner diameter of the inner pipe, the outer pipe and the inner pipe are coaxially arranged, one end of the outer pipe is provided with a bottom, the side wall of the other end of the outer pipe is provided with a water leaking opening, and the end, provided with the water leaking opening, of the outer pipe is connected with the floor drain shell. The floor drain can still realize sealing after sewage in a floor drain structure is dried up, so that odor from a sewer is prevented from floating upwardsinto a living room.

The invention relates to the technical field of protective oil tanks, and discloses a protective oil tank for an oil field maintenance field-acquisition site and a manufacturing method for the protective oil tank. The protective oil tank comprises an oil tank body, wherein the oil tank body comprises an upper tank body and a lower tank body; the bottom of the upper tank body is provided with a groove which is inwards sunken; the top of the lower tank body is provided with a lug which is downwards convex; the lug is connected, in an engaged manner, to the groove; a construction frame is mountedabove the oil tank body; and the construction frame comprises a standing pond arranged inside the construction frame, a reserved hole formed inside the construction frame, and a vertical plate arranged between the standing pond and the reserved hole. Through detachable structures of the upper tank body and the lower tank body, the upper tank body and the lower tank body are relatively convenient;the upper tank body is of a circular-ring-shaped structure which can be connected, in an engaged manner, to a cylindrical structure of the lower tank body, so that a mounting process is simple; and the standing tank facilitates operation of a maintainer; and the lug is connected, in an engaged manner, to the groove, so that the upper tank body and the lower tank body are connected firmly.

The invention discloses a flood prevention device based on BIM. The flood prevention device comprises a fixed base, a drainage cover plate, a lifting mechanism and a plurality of interception mechanisms, the fixed base is provided with a containing groove, a drainage through hole is formed in the bottom of the containing groove, the drainage cover plate is arranged at a groove opening of the containing groove, the lifting mechanism and the intercepting mechanisms are installed in the containing groove, the lifting mechanism drives the drainage cover plate to do lifting motion, and the intercepting mechanisms are installed on the drainage cover plate. The flood prevention device has a closed state under a common condition and a lifting state under an emergency condition. The invention further discloses an urban rainstorm emergency early warning control flood prevention system which comprises an urban rainstorm emergency early warning control center and a plurality of urban rainstorm processing branch centers. According to the flood prevention device based on BIM and the urban rainstorm emergency early warning control flood prevention system, on one hand, the water discharge amount in the flood season can be increased, and emergency flood prevention is achieved; and on the other hand, large garbage and sundries are prevented from flowing into a sewer well during flood discharge.