CN116022980A - Building water supply and drainage sewage treatment device and application method thereof - Google Patents
Building water supply and drainage sewage treatment device and application method thereof Download PDFInfo
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- CN116022980A CN116022980A CN202310321392.0A CN202310321392A CN116022980A CN 116022980 A CN116022980 A CN 116022980A CN 202310321392 A CN202310321392 A CN 202310321392A CN 116022980 A CN116022980 A CN 116022980A
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Abstract
The sewage treatment device comprises a sewage treatment module, a buffer tank and a control assembly, wherein the sewage treatment module comprises a sedimentation drum screen unit, a biochemical flocculation unit and an adsorption filtration unit, and the buffer tank comprises a tank inlet, a tank outlet, a cuboid tank body, a first sliding plate and a second sliding plate which can horizontally slide in the tank body; the first slide and the second slide separate the buffer pool into three parts of a sedimentation buffer cavity, a flocculation buffer cavity and a filtration buffer cavity, and the volumes of the sedimentation buffer cavity, the flocculation buffer cavity and the filtration buffer cavity can be changed through the horizontal sliding of the first slide and the second slide, so that the problems of sewage overflow, sewage backflow and the like of sewage treatment equipment are avoided, meanwhile, the originally separated and fixed water collecting device is combined into a buffer pool, the volume of the sewage treatment device is reduced to the greatest extent, and the application and popularization of the sewage treatment device in a long-distance and small-sized building are improved.
Description
Technical Field
The invention relates to a water treatment device, in particular to a building water supply and drainage sewage treatment device and a use method thereof.
Background
A sewage treatment plant or a sewage treatment station is generally arranged in a large city or a large community to perform centralized treatment on water supply and drainage sewage of a building cluster. In the common process, the sewage treatment can be subjected to three treatment steps of precipitation, flocculation and filtration and adsorption, and as the precipitation, flocculation and adsorption filtration treatment of sewage are inconsistent in speed and have sequence, corresponding water storage equipment is required to be arranged for each step, so that the sewage treatment equipment is generally large in scale, and the large-scale sewage treatment equipment is unfavorable for treating sewage in remote areas or small buildings. If the water storage tank corresponding to the sedimentation, flocculation and adsorption processes is reduced or canceled, although the sewage treatment equipment is miniaturized, the sewage treatment equipment is often caused to have the problems of sewage overflow, sewage backflow and the like if sewage with large flow rate and high flow speed is treated.
Therefore, it is necessary to design a miniaturized sewage treatment device, which can ensure the treatment efficiency of each sewage treatment process, balance the treatment time of each process, and adapt to sewage with different flow rates.
Disclosure of Invention
The invention aims to provide a building water supply and drainage sewage treatment device and a use method thereof, which aim to solve the technical problems in the prior art.
The invention adopts the following technical scheme to realize the aim:
the sewage treatment device for building water supply and drainage comprises a sewage treatment module, a buffer tank and a control assembly, wherein the sewage treatment module comprises a sedimentation drum screen unit, a biochemical flocculation unit and an adsorption filtration unit, the sedimentation drum screen unit, the biochemical flocculation unit and the adsorption filtration unit are respectively provided with a water suction pump, a water inlet and a water outlet, and the water suction pump is in communication connection with the control assembly; the buffer tank comprises a tank inlet, a tank outlet, a cuboid tank body and a first sliding plate and a second sliding plate which can horizontally slide in the tank body; the first slide plate and the second slide plate divide the buffer pool into three parts of a sedimentation buffer cavity, a flocculation buffer cavity and a filtration buffer cavity, and the volumes of the sedimentation buffer cavity, the flocculation buffer cavity and the filtration buffer cavity can be changed through the horizontal sliding of the first slide plate and the second slide plate; the water inlet on the sedimentation drum screen unit is connected to the sedimentation buffer cavity, the water outlet on the sedimentation drum screen unit is connected to the flocculation buffer cavity, the water inlet on the biochemical flocculation unit is connected to the flocculation buffer cavity, the water outlet on the biochemical flocculation unit is connected to the filtration buffer cavity, and the water inlet of the adsorption filtration unit is connected to the filtration buffer cavity.
Preferably, the space between the first sliding plate and the side wall of the tank body is a sedimentation buffer cavity, the space between the first sliding plate and the second sliding plate is a flocculation buffer cavity, and the space between the second sliding plate and the side wall of the tank body is a filtration buffer cavity.
Preferably, the tank body is provided with an inner cavity with a rectangular structure, a transverse groove consistent with the length direction of the long side of the rectangular tank body is arranged in the center of the top of the tank body, one end of the transverse groove is provided with a tank inlet, the other end of the transverse groove is provided with a tank outlet, and the tank outlet is provided with a water pipe extending to the tank bottom of the tank body; racks with the same length as the transverse grooves are respectively arranged on two sides of the top of the transverse grooves; the inner wall of the tank body is provided with a sliding rail with the same direction and length as the transverse groove, the first sliding plate and the second sliding plate are provided with sliding grooves corresponding to the sliding rail, and the first sliding plate and the second sliding plate can horizontally slide in the tank body along the sliding rail.
Preferably, the first sliding plate and the second sliding plate are of slidable plate structures, the first sliding plate and the second sliding plate are perpendicular to the long side direction of the tank body, and the shape of the first sliding plate and the second sliding plate is consistent with the section of the inner cavity of the tank body; the first slide plate and the second slide plate comprise a plate body and a water inlet and drainage sliding component, the water inlet and drainage sliding component is fixedly arranged at the central position above the plate body, the water inlet and drainage sliding component is embedded into the transverse groove, and the water inlet and drainage sliding component can slide in the transverse groove.
Preferably, the water inlet and outlet sliding assembly comprises a sliding seat, a driving motor and a driving gear; the sliding seat is symmetrically arranged relative to the plate body, a water pumping through hole and a water inlet through hole are respectively arranged on the left side and the right side of the sliding seat corresponding to the plate body, a water pipe which is directly communicated with the bottom of the tank body is connected to the lower part of the water pumping through hole, the water pumping through hole is connected with a corresponding water inlet, and the water inlet through hole is connected with a corresponding water outlet; a driving motor is arranged between the water pumping through hole and the water inlet through hole, the output end of the driving motor is fixedly connected with a driving gear, and the driving gear is meshed with the rack on the corresponding side; the driving motor is in control connection with the control assembly; at the top of the plate body, a communication hole is provided, and in the communication hole, a one-way flow valve is provided.
Preferably, one end of the transverse groove is provided with a position mark, the tops of the first slide plate and the second slide plate are respectively provided with a first position sensor and a second position sensor which are matched with the position mark, the first position sensor and the second position sensor are respectively in communication connection with the control assembly, a liquid level sensor is further arranged on the tank body, and a flow sensor is arranged at a tank inlet of the buffer tank.
Preferably, the control assembly comprises a single-chip microcomputer controller, and the single-chip microcomputer controller is connected with the liquid level sensor, the flow sensor, the first position sensor, the second position sensor, the first slide plate and the second slide plate through driving motors and the water suction pump.
The application method of the building water supply and drainage sewage treatment device is characterized by comprising the following steps of: the sewage treatment device comprises the following using steps:
step one: calculating the average flow velocity of a sedimentation drum screen unit, a biochemical flocculation unit and an adsorption filtration unit of the sewage treatment module;
step two: detecting the instantaneous flow of sewage through a flow sensor at the inlet of the tank, and detecting the water level of the sedimentation buffer cavity through a liquid level sensor;
step three: and comparing the instantaneous flow and the average flow velocity of the sewage, and adjusting the positions of the first slide plate and the second slide plate by the control assembly through comparing the result with the water level of the sedimentation buffer cavity.
Preferably, in the third step, when the instantaneous flow of the sewage is smaller than the average flow rate and the liquid level sensor detects that the sewage level in the sedimentation buffer cavity is lower than one third of the total height, the singlechip controller controls the driving motors of the first slide plate and the second slide plate to rotate, and the first slide plate and the second slide plate are respectively moved to the positions of 1/3 and 2/3 of the buffer pool through the positioning of the first position sensor and the second position sensor.
Preferably, in the third step, when the instantaneous flow of the sewage is greater than the average flow rate, the single-chip microcomputer controller firstly controls the water suction pump of the sedimentation drum screen unit to stop pumping water, when the liquid level sensor detects that the sewage in the sedimentation buffer cavity is about to be filled and the height is lower than the communication hole, the single-chip microcomputer controller controls the driving motors of the first slide plate and the second slide plate to rotate, so that the first slide plate and the second slide plate gradually move towards the direction of the pond outlet until the direction is closest to the pond outlet, and then the single-chip microcomputer controller controls the water suction pump of the sedimentation drum screen unit to start pumping water.
The beneficial effects of the invention are as follows:
1. by arranging a buffer pool and two sliding plates in the buffer pool, the buffer pool is divided into three parts with variable volumes, so that the water collecting buffer cavity corresponding to each sewage treatment unit can be timely changed according to the flow rate of sewage, when sewage with high flow rate is treated by the sewage treatment device, the problems of sewage overflow, sewage backflow and the like of sewage treatment equipment are avoided by increasing the volume of the sedimentation buffer cavity, and meanwhile, the originally separated and fixed water collecting device is combined into the buffer pool, so that the volume of the sewage treatment device is maximally reduced, and the application and popularization of the sewage treatment device in a long-distance and small-sized building are improved;
2. the communicating hole with the one-way valve is arranged on the sliding plate, so that the volumes of the flocculation buffer cavity and the filtering buffer cavity are minimized, but sewage overflowed from the flocculation buffer cavity flows back to the sedimentation buffer cavity through the communicating hole on the first sliding plate, and sewage overflowed from the filtering buffer cavity flows back to the flocculation buffer cavity through the communicating hole on the second sliding plate, so that the treatment efficiency of a part of sewage is sacrificed, but a large amount of inflow sewage is not overflowed due to continuous sewage treatment, and the sewage treatment capacity is improved although the treatment efficiency of a part of sewage is sacrificed.
Drawings
FIG. 1 is a schematic diagram of a construction water supply and drainage sewage treatment device;
FIG. 2 is a schematic structural view of the cell body of the present application;
FIG. 3 is a schematic view of the structure of the cell body in another direction;
FIG. 4 is a schematic view of the water intake and exhaust slide assembly of the present application;
in the figure: the sewage treatment device comprises a sewage treatment module 1, a buffer tank 2, a control assembly 3, a sedimentation drum screen unit 11, a biochemical flocculation unit 12, an adsorption filtration unit 13, a water inlet A, a water outlet B, a control interface C, a tank body 21, a first slide plate 22A, a second slide plate 22B, a transverse groove 211, a tank inlet 212, a tank outlet 213, a rack 214, a slide rail 215, a plate body 221, a water inlet and drainage sliding assembly 222, a sliding seat 2221, a driving motor 2222, a driving gear 2223, a water pumping through hole TA, a water inlet through hole TB, a communication hole 2211, a first position sensor 31A, a second position sensor 31B, a liquid level sensor 32, a singlechip controller 30 and a flow sensor 33.
Detailed Description
The following detailed description of the invention refers to the accompanying drawings and preferred embodiments.
Fig. 1 is a schematic diagram of a construction water supply and drainage sewage treatment device. The sewage treatment device comprises a sewage treatment module 1, a buffer pool 2 and a control component 3. The sewage treatment module 1 comprises a sedimentation drum screen unit 11, a biochemical flocculation unit 12 and an adsorption filtration unit 13. The sedimentation drum screen unit 11 is mainly used for performing preliminary sedimentation filtration on sewage, filtering out impurities with larger particles in the sewage, the biochemical flocculation unit 12 is used for treating high-concentration, high-chroma, refractory, toxic organic pollutants and heavy metal pollutants in domestic sewage, the adsorption filtration unit 13 adopts sewage filtration equipment consisting of particles with adsorptivity and a permeable membrane and is used for performing final filtration on tiny particles in the sewage, and the sedimentation drum screen unit 11, the biochemical flocculation unit 12 and the adsorption filtration unit 13 are all conventional sewage treatment equipment in the field, and because the application only relates to the sewage flow path and the control relation of each unit, the specific structure is not repeated. The sedimentation rotary screen unit 11, the biochemical flocculation unit 12 and the adsorption filtration unit 13 are respectively provided with a water suction pump for sucking sewage from the outside, the sedimentation rotary screen unit 11, the biochemical flocculation unit 12 and the adsorption filtration unit 13 are respectively provided with a control interface C, the control interfaces C are connected with the control component 3, and the control component 3 can control the start and stop of the water suction pump on the corresponding unit through the control interfaces C on the sedimentation rotary screen unit 11, the biochemical flocculation unit 12 and the adsorption filtration unit 13. In addition, a water inlet A and a water outlet B are arranged on the sedimentation drum screen unit 11, the biochemical flocculation unit 12 and the adsorption filtration unit 13, sewage flows into the corresponding units from the water inlet A, and after the sewage is treated by the units, the sewage flows out of the units from the water outlet B.
The sedimentation drum screen unit 11, the biochemical flocculation unit 12 and the water inlet A and the water outlet B of the adsorption filtration unit 13 are connected with the buffer tank 2. The buffer tank 2 includes a rectangular parallelepiped tank body 21, and a first slide plate 22A and a second slide plate 22B which can slide horizontally inside the tank body 2. The first slide plate 22A and the second slide plate 22B divide the buffer pool 2 into a sedimentation buffer cavity, a flocculation buffer cavity and a filtration buffer cavity, wherein the space between the first slide plate 22A and the side wall of the pool body 21 is the sedimentation buffer cavity, the space between the first slide plate 22A and the second slide plate 22B is the flocculation buffer cavity, and the space between the second slide plate 22B and the side wall of the pool body 21 is the filtration buffer cavity.
As shown in fig. 1-3, the tank body 21 is a rectangular parallelepiped structure, and has an inner cavity with a rectangular shape, a horizontal groove 211 is provided in the center of the top of the tank body 21, the horizontal groove 211 is consistent with the length direction of the long side of the rectangular tank body 21, the inner space of the tank body 21 is communicated with the outside, a tank inlet 212 of the tank body 21 is provided at one end of the horizontal groove 211, a tank outlet 213 of the tank body 21 is provided at the other end of the horizontal groove 211, and the tank outlet 213 has a water pipe extending to the bottom of the tank body 21. On both sides of the top of the transverse groove 211, racks 214 having the same length as the transverse groove 211 are provided, respectively. On the inner wall of the tank body 21, a sliding rail 215 with the same direction and length as the transverse groove 211 is arranged, and sliding grooves corresponding to the sliding rail 215 are arranged on the first sliding plate 22A and the second sliding plate 22B, so that the first sliding plate 22A and the second sliding plate 22B can slide horizontally in the tank body 21 along the sliding rail 215.
The first slide plate 22A and the second slide plate 22B are of slidable plate structures, the first slide plate 22A and the second slide plate 22B are perpendicular to the long side direction of the tank body 21, and the shapes of the first slide plate and the second slide plate are consistent with the cross section of the inner cavity of the tank body 21. The first slide plate 22A and the second slide plate 22B each comprise a plate body 221 and a water inlet and outlet sliding component 222, the water inlet and outlet sliding component 222 is fixedly arranged at the central position above the plate body 221, the water inlet and outlet sliding component 222 is embedded into the transverse groove 211, and the water inlet and outlet sliding component 222 can slide in the transverse groove 211.
Fig. 4 is a schematic structural diagram of the water inlet and outlet sliding assembly 222. The water inlet and outlet sliding assembly 222 is fixedly arranged at the top end of the plate body 221, and comprises a sliding seat 2221, a driving motor 2222 and a driving gear 2223. The sliding seat 2221 is symmetrically arranged relative to the plate body 221, the left side and the right side of the sliding seat 2221 corresponding to the plate body 221 are respectively provided with a water pumping through hole TA and a water inlet through hole TB, and the lower part of the water pumping through hole TA is connected with a water pipe which is directly communicated with the bottom of the pool body 21. Between the water pumping through hole TA and the water inlet through hole TB, a driving motor 2222 is arranged, the output end of the driving motor 2222 is fixedly connected with a driving gear 2223, the driving gear 2223 is meshed with the rack 214 on the corresponding side, and the first sliding plate 22A and the second sliding plate 22B can be driven to slide left and right in the tank body 21 through the driving of the driving motor 2222. The driving motor 2222 is in control connection with the control assembly 3, and the control assembly 3 can control the forward and reverse rotation of the driving motor 2222, so as to control the movement of the sliding plate. In addition, at the top of the plate body 221, a communication hole 2211 is provided, and in the communication hole 2211, a one-way flow valve is provided on the communication hole 2211 of the first slide plate 22A so that fluid can only flow from the flocculation buffer chamber to the sedimentation buffer chamber, and a one-way flow valve on the communication hole 2211 of the second slide plate 22B so that fluid can only flow from the filtration buffer chamber to the flocculation buffer chamber.
In addition, at one end of the transverse slot 211, a position mark is provided, and at the top of the first slide plate 22A and the second slide plate 22B, a first position sensor 31A and a second position sensor 31B matched with the position mark are provided, the first position sensor 31A and the second position sensor 31B can detect the positions of the first slide plate 22A and the second slide plate 22B in the tank 21 relative to the position mark, and the first position sensor 31A and the second position sensor 31B are in communication connection with the control assembly 3, so that the auxiliary control assembly 3 controls the positions of the first slide plate 22A and the second slide plate 22B. The tank body 21 is also provided with a liquid level sensor 32 for detecting the sewage level in the tank body 21.
The control assembly 3 comprises a single-chip microcomputer controller 30, wherein the single-chip microcomputer controller 30 is in control connection with a liquid level sensor 32, a first position sensor 31A, a second position sensor 31B, driving motors 2222 of a first slide plate 22A and a second slide plate 22B and control interfaces C of three water treatment units. In addition, a water inlet pipe is arranged at the inlet 212 of the buffer tank 2, sewage from a sewage source is received by the water inlet pipe and is introduced into the buffer tank 2, a flow sensor 33 is arranged on the water inlet pipe, the flow sensor 33 is used for detecting the flow of the sewage, and the flow sensor 33 is in control connection with the singlechip controller 30.
The waterway connection relation of the sewage treatment device is explained below. Firstly, a water inlet pipe is connected with an external sewage source and is connected to a pool inlet 212 of the buffer pool 2; the water pumping through hole TA on the first slide plate 22A at the side of the sedimentation buffer cavity is connected with the water inlet A on the sedimentation rotary screen unit 11; a water outlet B on the sedimentation drum screen unit 11 is connected with a water inlet through hole TB on a first slide plate 22A on the side of the sedimentation buffer cavity; the water pumping through hole TA on the second slide plate 22B on the flocculation buffer cavity side is connected with the water inlet A on the biochemical flocculation unit 12; the water outlet B on the biochemical flocculation unit 12 is connected with the water inlet through hole TB on the second slide plate 22B on the flocculation buffer cavity side; the pool outlet 213 of the pool body 21 is connected with the water inlet A of the adsorption and filtration unit 13; the water outlet B of the adsorption filtration unit 13 is connected with a water purifying pipe which leads the finally treated water to a water collecting tank or a water using unit.
For building sewage, especially domestic sewage faced in urban community buildings, the flow rate of the building sewage tends to have strong periodicity, for example, 6-8 in the morning, 11-13 in the noon, 17-19 in the afternoon and 20-22 in the evening, and due to the requirements of residents for washing, cooking and the like, the flow rate of the generated sewage is high in the period, and the flow rate is low in other periods. If a fixed sewage collecting tank is arranged, overflow is easy in a sewage water-increasing period, and a larger sewage collecting tank is in a dead water state in a sewage water-starving period, so that the larger collecting tank wastes building space. In order to solve the technical problem, the application provides a buffer pool capable of changing sewage collecting space of each flow of sewage treatment process through a sliding plate. The sewage treatment mode of the present application will be described below.
For any sewage treatment equipment, specific sewage treatment speed parameters are taken as references, the sewage treatment speeds of the sedimentation drum screen unit 11, the biochemical flocculation unit 12 and the adsorption filtration unit 13 of the sewage treatment module 1 in the application under the normal water supply state under the normal water pressure are set to be S1, S2 and S3, and the average flow rate of the three units is calculated to be S. Before sewage enters the buffer pool 2 from the water inlet pipe, the instantaneous flow of the sewage is detected by the flow sensor 33 on the water inlet pipe, when the instantaneous flow of the sewage is smaller than S, the singlechip controller 30 controls the driving motor 2222 of the first slide plate 22A and the second slide plate 22B to rotate, and the first slide plate 22A and the second slide plate 22B are respectively moved to the positions of 1/3 and 2/3 of the buffer pool by the positioning of the first position sensor 31A and the second position sensor 31B, namely the buffer pool 2 is divided into three equal spaces by the first slide plate 22A and the second slide plate 22B, so that the volumes of the sedimentation buffer cavity, the flocculation buffer cavity and the filtration buffer cavity are the same, and thus, as the inflow flow velocity is smaller than the average sewage treatment speed of each process, the three cavities with average volumes can smoothly buffer and balance the sewage treatment progress of each process, and therefore the three sewage treatment units can respectively and effectively exert the sewage treatment capacity.
When the instantaneous flow of the sewage is greater than S, the singlechip controller 30 firstly controls the water suction pump of the sedimentation rotary screen unit 11 to stop pumping water, at the moment, the sewage in the sedimentation buffer cavity continuously rises, the sewage in the flocculation buffer cavity and the sewage in the filtration buffer cavity continuously decreases, when the liquid level sensor 32 detects that the sewage in the sedimentation buffer cavity is about to be filled and the height is lower than the communication hole 2211, the singlechip controller 30 controls the driving motors 2222 of the first slide plate 22A and the second slide plate 22B to rotate, so that the first slide plate 22A and the second slide plate 22B gradually move towards the direction of the pond outlet 213 until the direction is closest to the pond outlet 213, then the singlechip controller 30 controls the water suction pump of the sedimentation rotary screen unit 11 to start pumping water, so that the sewage with higher flow rate which is poured in the period can be collected in the sedimentation buffer cavity to the greatest extent, and since the volume of the buffer tank 2 is set to be enough to ensure the maximum sewage amount corresponding to the building unit, the maximum volume of the sedimentation buffer chamber can receive sewage to the maximum extent, and the volumes of the filtration buffer chamber and the flocculation buffer chamber are almost zero at this time, that is, buffer pools which can buffer and balance the two process treatment speeds do not exist for the biochemical flocculation unit 12 and the adsorption filtration unit 13, the sewage treated by the sedimentation rotary screen unit 11 is directly pumped to the biochemical flocculation unit 12, then the sewage treated by the biochemical flocculation unit 12 is directly pumped to the adsorption filtration unit 13, in this state, if the sewage of the filtration buffer chamber and the flocculation buffer chamber remains beyond the sewage treatment speeds corresponding to the biochemical flocculation unit 12 and the adsorption filtration unit 13, the sewage in the flocculation buffer chamber can flow back to the sedimentation buffer chamber through the communication hole 2211 on the slide plate 22A, the sewage in the filtering buffer chamber also flows back to the flocculation buffer chamber through the communicating hole 2211 on the second slide plate 22B, so that the sewage treatment efficiency is sacrificed, but a large amount of inflow sewage cannot overflow due to continuous sewage treatment, that is, the sewage treatment efficiency is sacrificed and the sewage treatment capacity is improved.
When the full period of the sewage is spent and the instantaneous flow of the sewage is less than S, the liquid level sensor 32 detects that the sewage level in the sedimentation buffer cavity is less than one third of the total height, the singlechip controller 30 controls the first slide plate 22A and the second slide plate 22B to return to the positions of 1/3 and 2/3 of the buffer tanks.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. The utility model provides a building water supply and drainage sewage treatment plant which characterized in that: the sewage treatment module comprises a sedimentation drum screen unit, a biochemical flocculation unit and an adsorption filtration unit, wherein the sedimentation drum screen unit, the biochemical flocculation unit and the adsorption filtration unit are respectively provided with a water suction pump, a water inlet and a water outlet, and the water suction pump is in communication connection with the control assembly; the buffer tank comprises a tank inlet, a tank outlet, a cuboid tank body and a first sliding plate and a second sliding plate which can horizontally slide in the tank body; the first slide plate and the second slide plate divide the buffer pool into three parts of a sedimentation buffer cavity, a flocculation buffer cavity and a filtration buffer cavity, and the volumes of the sedimentation buffer cavity, the flocculation buffer cavity and the filtration buffer cavity can be changed through the horizontal sliding of the first slide plate and the second slide plate; the water inlet on the sedimentation drum screen unit is connected to the sedimentation buffer cavity, the water outlet on the sedimentation drum screen unit is connected to the flocculation buffer cavity, the water inlet on the biochemical flocculation unit is connected to the flocculation buffer cavity, the water outlet on the biochemical flocculation unit is connected to the filtration buffer cavity, and the water inlet of the adsorption filtration unit is connected to the filtration buffer cavity.
2. A building water supply and drainage sewage treatment device as claimed in claim 1, wherein: the space between the first slide plate and the side wall of the tank body is a sedimentation buffer cavity, the space between the first slide plate and the second slide plate is a flocculation buffer cavity, and the space between the second slide plate and the side wall of the tank body is a filtration buffer cavity.
3. A building water supply and drainage sewage treatment device as claimed in claim 2, wherein: the tank body is provided with an inner cavity with a rectangular structure, a transverse groove consistent with the length direction of the long side of the rectangular tank body is arranged in the center of the top of the tank body, one end of the transverse groove is provided with a tank inlet, the other end of the transverse groove is provided with a tank outlet, and the tank outlet is provided with a water pipe extending to the tank bottom of the tank body; racks with the same length as the transverse grooves are respectively arranged on two sides of the top of the transverse grooves; the inner wall of the tank body is provided with a sliding rail with the same direction and length as the transverse groove, the first sliding plate and the second sliding plate are provided with sliding grooves corresponding to the sliding rail, and the first sliding plate and the second sliding plate can horizontally slide in the tank body along the sliding rail.
4. A building water supply and drainage sewage treatment device as claimed in claim 3, wherein: the first sliding plate and the second sliding plate are of slidable plate structures, the first sliding plate and the second sliding plate are perpendicular to the long side direction of the tank body, and the shape of the first sliding plate and the second sliding plate is consistent with the section of the inner cavity of the tank body; the first slide plate and the second slide plate comprise a plate body and a water inlet and drainage sliding component, the water inlet and drainage sliding component is fixedly arranged at the central position above the plate body, the water inlet and drainage sliding component is embedded into the transverse groove, and the water inlet and drainage sliding component can slide in the transverse groove.
5. A building water supply and drainage sewage treatment device as claimed in claim 4, wherein: the water inlet and outlet sliding assembly comprises a sliding seat, a driving motor and a driving gear; the sliding seat is symmetrically arranged relative to the plate body, a water pumping through hole and a water inlet through hole are respectively arranged on the left side and the right side of the sliding seat corresponding to the plate body, a water pipe which is directly communicated with the bottom of the tank body is connected to the lower part of the water pumping through hole, the water pumping through hole is connected with a corresponding water inlet, and the water inlet through hole is connected with a corresponding water outlet; a driving motor is arranged between the water pumping through hole and the water inlet through hole, the output end of the driving motor is fixedly connected with a driving gear, and the driving gear is meshed with the rack on the corresponding side; the driving motor is in control connection with the control assembly; at the top of the plate body, a communication hole is provided, and in the communication hole, a one-way flow valve is provided.
6. A building water supply and drainage sewage treatment device as claimed in claim 5, wherein: the one end in horizontal groove is provided with the position mark, and the top of slide one and slide two all is provided with position sensor one and position sensor two that match with the position mark to position sensor one and position sensor two all with control assembly communication connection, still be provided with liquid level sensor on the cell body, the income pond mouth in buffer tank is provided with flow sensor.
7. The building water supply and drainage sewage treatment device according to claim 6, wherein: the control assembly comprises a single chip microcomputer controller, and the single chip microcomputer controller is in control connection with a liquid level sensor, a flow sensor, a first position sensor, a second position sensor, a first slide plate and a second slide plate driving motor and a water pump.
8. The method for using the building water supply and drainage sewage treatment device according to claim 7, wherein the method comprises the following steps: the sewage treatment device comprises the following using steps:
step one: calculating the average flow velocity of a sedimentation drum screen unit, a biochemical flocculation unit and an adsorption filtration unit of the sewage treatment module;
step two: detecting the instantaneous flow of sewage through a flow sensor at the inlet of the tank, and detecting the water level of the sedimentation buffer cavity through a liquid level sensor;
step three: and comparing the instantaneous flow and the average flow velocity of the sewage, and adjusting the positions of the first slide plate and the second slide plate by the control assembly through comparing the result with the water level of the sedimentation buffer cavity.
9. The method for using the building water supply and drainage sewage treatment device according to claim 8, wherein the method comprises the following steps: and step three, when the instantaneous flow of the sewage is smaller than the average flow rate and the liquid level sensor detects that the liquid level of the sewage in the sedimentation buffer cavity is lower than one third of the total height, the singlechip controller controls the driving motors of the first slide plate and the second slide plate to rotate, and the first slide plate and the second slide plate are respectively moved to the positions of 1/3 and 2/3 of the buffer pool through the positioning of the first position sensor and the second position sensor.
10. The method for using the building water supply and drainage sewage treatment device according to claim 9, wherein the method comprises the following steps: in the third step, when the instantaneous flow of the sewage is greater than the average flow rate, the single-chip microcomputer controller firstly controls the water suction pump of the sedimentation rotary screen unit to stop pumping water, when the liquid level sensor detects that the sewage in the sedimentation buffer cavity is about to be filled and the height of the liquid level sensor is lower than the communicating hole, the single-chip microcomputer controller controls the driving motors of the first slide plate and the second slide plate to rotate, so that the first slide plate and the second slide plate gradually move towards the direction of the pond outlet until the direction is closest to the pond outlet, and then the single-chip microcomputer controller controls the water suction pump of the sedimentation rotary screen unit to start pumping water.
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| CN202310321392.0A CN116022980B (en) | 2023-03-29 | 2023-03-29 | Building water supply and drainage sewage treatment device and application method thereof |
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| CN202310321392.0A CN116022980B (en) | 2023-03-29 | 2023-03-29 | Building water supply and drainage sewage treatment device and application method thereof |
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| CN116022980B CN116022980B (en) | 2023-06-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116022980B (en) | 2023-06-13 |
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