Rainwater collecting and purifying device and using method

By designing integrated equipment for intercepting, filtration and flow disposal and multi-layer reservoir systems, the problem of single functions of the existing rainwater collection device has been solved, initial pollutant interception and later rainwater purification have been achieved, and the standards for miscellaneous water use in domestic areas have been optimized. Equipment installation solves the problems of pollutant emissions and maintenance.

CN119163117APending Publication Date: 2024-12-20CHINA MCC17 GRP CO LTD
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Patent Information

Application Number
CN202411324241.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2024-12-20

AI Technical Summary

Technical Problem

The existing rainwater collection and utilization device has a single function and fails to effectively deal with initial abandonment, storage and recycling processes, resulting in the failure to effectively intercept and discharge pollutants.

Method used

A rainwater collection and purification device was designed, including integrated equipment for intercepting and filtration and discharging flow, multi-layer reservoir and fiberglass equipment room, and initial filtration and pollution were achieved through the lifting basket, filter mesh, control float ball and ultraviolet disinfection device and other components. The substance is intercepted and filtered again, automatically discharge pollutants, and undergo ultraviolet disinfection.

Benefits of technology

Effectively intercept large solid pollutants, automatically discharge high-concentration pollutants in the early stage, ensure the quality of filtration and collection of rainwater in the later stage, meet the standards of miscellaneous water use in domestic use, and facilitate equipment maintenance. The device can be installed directly in buried, saving space.

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Abstract

The invention discloses a rainwater collection and purification device and a use method, and belongs to the technical field of rainwater collection. Comprising sewage intercepting, filtering and discarding integrated equipment, a first water storage tank, a second water storage tank, a glass fiber reinforced plastic equipment room, a clean water tank and a connecting pipeline, the sewage intercepting, filtering and discarding integrated equipment is connected with the first reservoir through a connecting pipeline; large solid pollutants are intercepted through the sewage intercepting, filtering and discarding integrated equipment, so that normal operation of follow-up equipment is protected, meanwhile, pollutants with high concentration in the early stage can be effectively discarded, clean rainwater can be conveniently filtered and collected in the later stage, a control floating ball is arranged to be matched with a water flow weir baffle and a discarding pipe, and initial rainwater discarding is conveniently completed; when a set discarding amount is reached, discarding is stopped, rainwater is collected, a built-in filter screen can filter the collected rainwater, pollutants generated by filtering can be left in the lifting basket, after rainfall is finished, the pollutants are discharged along with the remaining water flow, and the water quality standard of domestic miscellaneous water can be directly met in an area with light pollution.
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Description

Technical Field

[0001] The invention belongs to the technical field of rainwater collection, and in particular relates to a rainwater collection and purification device and a use method thereof. Background Art

[0002] Rainwater collection, the full name of which is "rainwater collection and utilization system", refers to the collection and utilization of rainfall runoff collected from building roofs, roads, squares and other hardened surfaces, and the accumulation of rainwater through collection, water transmission, water purification, storage and other channels, and the collection of rainwater for greening, landscape water bodies, washing and groundwater sources to provide rainwater replenishment, so as to achieve the purpose of comprehensive utilization of rainwater resources and water conservation. It has a wide range of significance, such as slowing down urban rainwater floods and groundwater level decline, controlling rainwater runoff pollution, and improving urban ecological environment. Rainwater collection and utilization of buildings, roads, lakes, etc., collects rainwater for green space irrigation, landscape water, or builds permeable pavement and uses permeable materials for paving, which directly increases the infiltration of rainwater. To collect rainwater, you must first have a water collection surface, then a set of water pipes, and finally a reservoir.

[0003] At present, the traditional rainwater collection and utilization device generally sets up a primary filter tank, a secondary filter tank, and a tertiary filter tank to effectively filter the collected rainwater before entering the subsequent disinfection treatment process. The use function is relatively simple, only providing rainwater collection and filtration treatment, and has not deepened the treatment of the initial abandonment, storage and recycling of rainwater;

[0004] In order to solve the above technical problems, a rainwater collection and purification device and a use method are proposed. Summary of the invention

[0005] In view of this, the present invention provides a rainwater collection and purification device to solve or alleviate the problem of insufficient functions of the prior art and at least provide a beneficial option.

[0006] The technical solution of the present invention is implemented as follows: a rainwater collection and purification device, including integrated equipment for intercepting, filtering and discarding pollutants, a first water reservoir, a second water reservoir, a glass fiber reinforced plastic equipment room, a clear water tank and connecting pipelines;

[0007] The integrated sewage interception, filtration and wastewater disposal equipment is connected to the first water reservoir through a connecting pipeline, the first water reservoir is in parallel and connected to the second water reservoir, the second water reservoir is connected to the FRP equipment room through a connecting pipeline, and the FRP equipment room is connected to the clean water tank through a connecting pipeline;

[0008] A brick-built valve well is installed on the connecting pipeline between the second water reservoir and the FRP equipment room;

[0009] A cleaning component 1 and a control component are installed in the integrated sewage interception, filtration and waste flow disposal equipment, and the cleaning component 1 is suitable for preliminary filtration; a cleaning component 2 is installed in the fiberglass equipment room, and the cleaning component 2 is suitable for secondary filtration.

[0010] By adopting the above technical scheme, the initial rainwater discharge, rainwater filtration treatment and pollutant interception treatment are completed through the integrated interception, filtration and discharge equipment, thereby protecting the normal operation of subsequent equipment. At the same time, the pollutants with high concentrations in the early stage can be effectively discarded, and the early pollutants can be automatically discharged, which is convenient for the later clean rainwater filtration and collection.

[0011] Further preferably, the cleaning member 1 comprises a position ring, on which a lifting basket and a filter screen are arranged, and the filter screen and the lifting basket are arranged at intervals and are installed on the position ring in the same circumferential direction.

[0012] By adopting the above technical solution, a basket is provided in combination with a filter screen to facilitate interception and treatment of larger solid pollutants.

[0013] Further preferably, the control member includes a control float, and the control float controls the water flow weir baffle to shield the abandoned flow pipe. An adjustment plate is installed at the bottom of the control float, and a vertical track is arranged on the adjustment plate, and a sliding block is installed on the vertical track, and the control float is connected to the sliding block by installing a connecting rod;

[0014] Rotating short columns are installed on both sides of the vertical track, and connecting ropes are installed on both ends of the sliding block. The connecting ropes go around the upper side of the rotating short columns and then connect downward with the water flow weir baffle.

[0015] A control float is installed on one side of the water flow weir baffle.

[0016] By adopting the above technical solution, a water flow weir baffle is arranged to cooperate with the control float to automatically block the abandonment pipe and stop the abandonment when the set abandonment flow is reached.

[0017] Further preferably, a first sewage pump is installed on one side of the interior of the first water reservoir and the second water reservoir, a jet aeration device is installed on one side of the first sewage pump, and a rainwater lifting pump is installed on one side of the interior of the second water reservoir, and the water outlet of the rainwater lifting pump is connected to the connecting pipe.

[0018] By adopting the above technical solution, a first sewage pump is provided in conjunction with a jet aeration device to facilitate the discharge of sewage, and a rainwater lifting pump is provided to facilitate the transportation of rainwater to be treated to the FRP equipment room.

[0019] Further preferably, one side of the integrated sewage interception, filtration and waste disposal equipment, the first water reservoir, the second water reservoir, the fiberglass equipment room and the clean water tank are all provided with inspection ports.

[0020] By adopting the above technical solution, inspection ports are set up to facilitate the inspection and maintenance of the internal equipment of the integrated sewage interception, filtration and waste disposal equipment, the first water reservoir, the second water reservoir, the fiberglass equipment room and the clean water tank.

[0021] Further preferably, a filter is installed on one side of the interior of the FRP equipment room, the water inlet of the filter is connected to the connecting pipe, an ultraviolet sterilizer is installed on one side of the filter, a second sewage pump is installed on one side of the interior of the FRP equipment room, the water outlet of the second sewage pump is connected to a sewage pipe, and one end of the sewage pipe runs through the FRP equipment room.

[0022] By adopting the above technical solution, a filter and an ultraviolet sterilizer are set up to filter and disinfect rainwater.

[0023] Further preferably, a liquid level sensor is installed on one side of the clean water tank, a reuse water supply pump is installed on one side of the clean water tank, and a water outlet of the reuse water supply pump is connected to the connecting pipeline.

[0024] By adopting the above technical solution, a liquid level sensor is set to monitor the liquid level inside the clear water tank.

[0025] The embodiment of the present invention has the following advantages due to the adoption of the above technical solution:

[0026] 1. The present invention intercepts larger solid pollutants through the integrated equipment of intercepting pollution, filtering and discarding, thereby protecting the normal operation of subsequent equipment, and at the same time, can effectively discard pollutants with higher concentrations in the early stage, realize automatic discharge of pollutants in the early stage, and facilitate the filtering and collection of clean rainwater in the later stage. The control float is set to cooperate with the water flow weir baffle and the discarding pipe to complete the initial rainwater discarding. When the set discarding flow rate is reached, the discarding flow is stopped and rainwater is collected. The built-in filter can filter the collected rainwater, and the pollutants generated by the filtration will remain in the basket. After the rainfall ends, the pollutants will be discharged with the remaining water flow, and the water quality standard of domestic miscellaneous water can be directly met in areas with less pollution;

[0027] Second, the present invention facilitates maintenance of internal equipment by providing multiple inspection ports, and the present invention as a whole can be directly installed underground to reduce occupied space. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0029] Figure 1 It is a structural diagram of the present invention;

[0030] Figure 2 It is a partial cross-sectional structural diagram of the integrated equipment for intercepting, filtering and discarding pollutants in the present invention;

[0031] Figure 3 It is a partial cross-sectional structural diagram of the first water reservoir and the second water reservoir in the present invention;

[0032] Figure 4 It is a partial cross-sectional structural diagram of the glass fiber reinforced plastic equipment room in the present invention;

[0033] Figure 5 It is a partial cross-sectional structural diagram of the clear water tank in the present invention;

[0034] Figure 6 It is a cross-sectional view of the connection between the water flow weir baffle and the regulating plate of the present invention.

[0035] Figure numerals: 10, integrated equipment for intercepting, filtering and discarding sewage; 12, basket; 13, filter; 14, discard pipe; 15, water flow weir baffle; 16, control float; 17, adjustment plate; 18, vertical track; 19, sliding block; 110, connecting rod; 111, rotating short column; 112, connecting rope; 20, first water reservoir; 21, second water reservoir; 23, first sewage pump; 24, jet aeration device; 25, rainwater lifting pump; 30, FRP equipment room; 32, filter; 33, ultraviolet disinfector; 34, second sewage pump; 35, sewage pipe; 40, clear water tank; 42, liquid level sensor; 43, reuse water supply pump; 53, connecting pipeline; 56, brick valve well; 57, inspection port. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0037] The application principle of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0038] Example 1

[0039] like Figure 1-5 As shown, an embodiment of the present invention provides a rainwater collection and purification device, which is composed of an integrated sewage interception, filtration and wastewater discharge device 10, a first water reservoir 20, a second water reservoir 21, a glass fiber reinforced plastic equipment room 30, a clean water tank 40 and a connecting pipeline 53. A cleaning component 1 and a control component are installed in the integrated sewage interception, filtration and wastewater discharge device 10, and the cleaning component 1 is suitable for preliminary filtration; a cleaning component 2 is installed in the glass fiber reinforced plastic equipment room 30, and the cleaning component 2 is suitable for secondary filtration.

[0040] A lifting basket 12 is installed on one side of the interior of the integrated sewage interception, filtration and waste flow equipment 10, and a filter screen 13 is installed inside the lifting basket 12. The lifting basket 12 cooperates with the filter screen 13 to intercept larger solid pollutants to prevent the pollutants from affecting the operation of subsequent equipment. A waste flow pipe 14 is connected to one side of the integrated sewage interception, filtration and waste flow equipment 10, and a water flow weir baffle 15 is installed on one side of the integrated sewage interception, filtration and waste flow equipment 10, and a control float 16 is installed on one side of the water flow weir baffle 15. When the set waste flow rate is reached, the water flow weir baffle 15 cooperates with the control float 16 to automatically block the waste flow pipe 14 and stop the waste flow.

[0041] In one embodiment, the shell of the integrated sewage interception, filtration and wastewater disposal device 10 is made of fiberglass and is directly buried in the ground.

[0042] A first sewage pump 23 is installed on one side of the interior of the first water reservoir 20 and the second water reservoir 21, a jet aeration device 24 is installed on one side of the first sewage pump 23, and a rainwater lifting pump 25 is installed on one side of the interior of the second water reservoir 21, and the water outlet of the rainwater lifting pump 25 is connected to the connecting pipe 53.

[0043] In one embodiment, the first sewage pump 23 is connected to the sewage well, and sewage inside the first water reservoir 20 and the second water reservoir 21 is discharged into the sewage well through the first sewage pump 23 .

[0044] A filter 32 is installed on one side of the interior of the FRP equipment room 30, the water inlet of the filter 32 is connected to the connecting pipe 53, an ultraviolet sterilizer 33 is installed on one side of the filter 32, the filter 32 cooperates with the ultraviolet sterilizer 33 to filter and disinfect rainwater entering the FRP equipment room 30, a second sewage pump 34 is installed on one side of the interior of the FRP equipment room 30, the water outlet of the second sewage pump 34 is connected to a sewage pipe 35, one end of the sewage pipe 35 passes through the FRP equipment room 30, and one end of the sewage pipe 35 is connected to a sewage well, which is used to discharge sewage into the sewage well through the second sewage pump 34.

[0045] In one embodiment, the FRP equipment room 30 is made of FRP material and consists of a cylinder and a head. The cylinder is produced by a one-time winding process of the ribs and the cylinder, and the head is formed by pouring unsaturated resin into a mold. The FRP equipment room 30 adopts an underground construction plan.

[0046] In one embodiment, when backfilling the FRP equipment room 30, concrete is poured around the bottom of the pool body for 30 cm before backfilling with fine sand.

[0047] A liquid level sensor 42 for monitoring the liquid level inside the clean water tank 40 is installed on one side inside the clean water tank 40 . A reuse water supply pump 43 is installed on one side inside the clean water tank 40 . The water outlet of the reuse water supply pump 43 is connected to the connecting pipeline 53 .

[0048] The integrated sewage interception, filtration and wastewater discharge equipment 10 is connected to the first water reservoir 20 via a connecting pipe 53, the first water reservoir 20 is connected to the second water reservoir 21, the second water reservoir 21 is connected to the FRP equipment room 30 via a connecting pipe 53, and the FRP equipment room 30 is connected to the clean water tank 40 via a connecting pipe 53.

[0049] A brick-built valve well 56 is installed on one side of the connecting pipeline 53 .

[0050] In one embodiment, an inspection port 57 is provided on one side of the integrated sewage interception, filtration and waste disposal equipment 10, the first water reservoir 20, the second water reservoir 21, the fiberglass equipment room 30 and the clean water tank 40, and a ladder is installed on the inner wall of the inspection port 57 to facilitate staff to enter and exit for inspection and maintenance.

[0051] When the present invention is in operation: the whole is installed underground, when the initial rainwater enters the integrated sewage interception, filtration and waste flow disposal device 10, the larger solid pollutants are intercepted by the basket 12 in cooperation with the filter screen 13, and a small amount of rainwater is discharged through the waste flow disposal pipe 14. When the rainfall increases, the control float 16 cooperates with the water flow weir baffle 15 to block the waste flow disposal pipe 14, so that the rainwater is filtered by the basket 12 and the filter screen 13, and then flows into the first water storage tank 20 and the second water storage tank 21 through the connecting pipe 53, and the sewage is discharged into the sewage well through the first sewage pump 23. When the rainwater enters the glass fiber reinforced plastic equipment room 30 through the connecting pipe 53, the filter 32 cooperates with the ultraviolet disinfector 33 to filter and disinfect the rainwater, and the treated rainwater is discharged into the clean water tank 40 for storage.

[0052] Example 2

[0053] like Figure 6 As shown, it is another embodiment of the present invention. On the basis of Example 1, one side of the integrated sewage interception, filtration and waste flow device 10 is connected to a waste flow pipe 14, and a water flow weir baffle 15 is installed on one side of the internal part of the integrated sewage interception, filtration and waste flow device 10; the control member includes a control float 16, and the control float 16 controls the water flow weir baffle 15 to cover the waste flow pipe 14. An adjustment plate 17 is installed at the bottom of the control float 16, and a vertical track 18 is arranged on the adjustment plate 17, and a sliding block 19 is installed on the vertical track 18, and the control float and the sliding block 19 are connected by installing a connecting rod 110; rotating short columns 111 are installed on both sides of the vertical track 18, and connecting ropes 112 are installed at both ends of the sliding block 19, and the connecting rope 112 is connected to the water flow weir baffle 15 downward after bypassing the upper side of the rotating short column 111. A control float 16 is installed on one side of the water flow weir baffle 15.

[0054] A method for using a rainwater collection and purification device comprises the following steps:

[0055] Step 1: Install the whole underground. When the initial rainwater enters the integrated sewage interception, filtration and wastewater disposal equipment 10, the basket 12 cooperates with the filter screen 13 to intercept the larger solid pollutants, and a small amount of rainwater is discharged through the wastewater disposal pipe 14;

[0056] Step 2, when the rainfall increases, the control float 16 cooperates with the rainfall buoyancy to reach the standard to drive the control float 16 upward, and drives the sliding block 19 upward through the connecting rod 110, thereby pulling the connecting rope 112 to pass through the rear rotating short column 111 to turn, so that the water flow weir baffle 15 under the connecting rope 112 moves downward, and the water flow weir baffle 15 blocks the abandoned flow pipe 14, so that the rainwater is filtered by the basket 12 and the filter screen 13;

[0057] Step 3, the sewage flows into the first water reservoir 20 and the second water reservoir 21 through the connecting pipe 53, and the sewage is discharged into the sewage well through the first sewage pump 23;

[0058] Step 4, when rainwater enters the FRP equipment room 30 through the connecting pipe 53, the filter 32 cooperates with the ultraviolet disinfector 33 to filter and disinfect the rainwater, and the treated rainwater is discharged into the clean water tank 40 for storage.

[0059] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0060] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A rainwater collection and purification device, characterized in that: It comprises integrated sewage interception, filtration and wastewater disposal equipment (10), a first water reservoir (20), a second water reservoir (21), a glass fiber reinforced plastic equipment room (30), a clean water tank (40) and connecting pipelines (53); The integrated waste interception, filtration and wastewater disposal device (10) is connected to a first water reservoir (20) via a connecting pipeline (53); the first water reservoir (20) is connected in parallel with and in communication with a second water reservoir (21); the second water reservoir (21) is connected to a glass fiber reinforced plastic equipment room (30) via a connecting pipeline (53); and the glass fiber reinforced plastic equipment room (30) is connected to a clean water tank (40) via a connecting pipeline (53); A brick-built valve well (56) is installed on the connecting pipeline (53) between the second water reservoir (21) and the glass fiber reinforced plastic equipment room (30); A cleaning component 1 and a control component are installed in the integrated sewage interception, filtration and wastewater disposal equipment (10), and the cleaning component 1 is suitable for preliminary filtration; a cleaning component 2 is installed in the glass fiber reinforced plastic equipment room (30), and the cleaning component 2 is suitable for secondary filtration.

2. A rainwater collection and purification device according to claim 1, characterized in that: The cleaning member 1 comprises a position ring, on which a lifting basket (12) and a filter screen (13) are arranged. The filter screen (13) and the lifting basket (12) are arranged at intervals and are installed on the position ring in the same circumferential direction.

3. A rainwater collection and purification device according to claim 1, characterized in that: One side of the integrated sewage interception, filtration and waste flow device (10) is connected to a waste flow pipe (14), and one side of the interior of the integrated sewage interception, filtration and waste flow device (10) is installed with a water flow weir baffle (15); The control element comprises a control float (16), and the control float (16) controls the water flow weir baffle (15) to shield the abandoned flow pipe (14).

4. A rainwater collection and purification device according to claim 3, characterized in that: An adjusting plate (17) is installed at the bottom of the control float (16), a vertical track (18) is arranged on the adjusting plate (17), a sliding block (19) is installed on the vertical track (18), and the control float and the sliding block (19) are connected by installing a connecting rod (110); Rotating short columns (111) are installed on both sides of the vertical track (18), and connecting ropes (112) are installed on both ends of the sliding block (19). The connecting ropes (112) pass around the upper side of the rotating short columns (111) and then connect downward to the water flow weir baffle (15). A control float (16) is installed on one side of the water flow weir baffle (15).

5. A rainwater collection and purification device according to claim 1, characterized in that: One side of the integrated sewage interception, filtration and wastewater disposal equipment (10), the first water reservoir (20), the second water reservoir (21), the glass fiber reinforced plastic equipment room (30) and the clean water tank (40) is provided with an inspection port (57).

6. A rainwater collection and purification device according to claim 5, characterized in that: A first sewage pump (23) is installed on the same side of the first water reservoir (20) and the second water reservoir (21), a jet aeration device (24) is installed on the bottom side of the first sewage pump (23), and a rainwater lifting pump (25) is also installed inside the second water reservoir (21), the water outlet of the rainwater lifting pump (25) is connected to the connecting pipeline (53), and the corresponding connecting pipeline (53) passes through the inspection port (57).

7. A rainwater collection and purification device according to claim 1, characterized in that: A filter (32) is installed on one side of the interior of the FRP equipment room (30), the water inlet of the filter (32) is connected to the connecting pipe (53), one side of the filter (32) is connected to the ultraviolet sterilizer (33), a second sewage pump (34) is installed on one side of the interior of the FRP equipment room (30), the inlet end of the second sewage pump (34) is connected to the ultraviolet sterilizer (33); the water outlet of the second sewage pump (34) is connected to a sewage pipe (35), one end of which passes through the FRP equipment room (30).

8. A rainwater collection and purification device according to claim 1, characterized in that: A liquid level sensor (42) is installed on one side of the clean water tank (40), and a reuse water supply pump (43) is installed on one side of the clean water tank (40). The water outlet of the reuse water supply pump (43) is connected to the connecting pipeline (53).

9. A method for using the rainwater collection and purification device according to claim 8, characterized in that: The following steps are involved: Step 1, the whole is buried in the ground. When the initial rainwater enters the integrated sewage interception, filtration and wastewater disposal device (10), the basket (12) cooperates with the filter screen (13) to intercept the larger solid pollutants, and a small amount of rainwater is discharged through the wastewater disposal pipe (14); Step 2, when the rainfall increases, the control float (16) cooperates with the buoyancy of the rainfall to reach the standard to drive the control float (16) upward, and drives the sliding block (19) to move upward through the connecting rod (110), thereby pulling the connecting rope (112) to pass through the rear rotating short column (111) and turn, so that the water flow weir baffle (15) under the connecting rope (112) moves downward, and the water flow weir baffle (15) blocks the abandoned flow pipe (14), so that the rainwater is filtered through the basket (12) and the filter screen (13); Step 3, the sewage flows into the first water reservoir (20) and the second water reservoir (21) through the connecting pipeline (53), and the sewage is discharged into the sewage well through the first sewage pump (23); Step 4, when rainwater enters the FRP equipment room (30) through the connecting pipe (53), the filter (32) cooperates with the ultraviolet disinfector (33) to filter and disinfect the rainwater, and the treated rainwater is discharged into the clean water tank (40) for storage.

Citation Information

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