Integrated ultra-fine micropore multi-layer filtering type rainwater recycling device

Abstract

The utility model belongs to the technical field of environmental protection equipment, and particularly relates to an integrated superfine micropore multilayer filtering type rainwater recycling device which comprises an installation cabinet, a superfine micropore multilayer filter and a chemical adding assembly which are connected through a pipeline are arranged in the installation cabinet, and the superfine micropore multilayer filter is provided with a water inlet pipe and a water outlet pipe. The ultrafine micropore multilayer filter comprises a machine body and a plurality of groups of filter elements, the dosing assembly comprises a clarifying agent tank and a long-acting disinfectant tank, the clarifying agent tank is connected with the water inlet pipe through a pipeline, and the long-acting disinfectant tank is connected with the water outlet pipe through a pipeline. According to the utility model, rainwater is treated through the ultrafine micropore multilayer filter, so that the arrangement of a split type filter is avoided, the occupied area is reduced, and meanwhile, a plurality of groups of filter elements are adopted, so that the requirement of large-flux filtration can be met, and the filtration precision of 150 microns can be realized at the same time.

Description

Technical Field

[0001] This utility model relates to the field of environmental protection equipment technology, specifically an integrated ultra-fine microporous multi-layer filtration rainwater recycling device. Background Technology

[0002] Rainwater harvesting and utilization refers to collecting rainwater through a collection pipe and purifying it through a rainwater purification device to meet the design and usage standards.

[0003] In rural areas of my country, a large amount of water is needed for irrigation of farmland and feeding of livestock. Therefore, in order to save water expenses, people collect and utilize rainwater when it rains.

[0004] However, existing rainwater harvesting and filtration devices often adopt a split layout, which results in a large footprint. In order to reduce the footprint, current technology selects filters with small water flow rates. Therefore, based on the above technical problems, an integrated ultra-fine pore multi-layer filtration rainwater harvesting device has been designed. Utility Model Content

[0005] To address the issue of low water flow rate in existing small-scale rainwater harvesting and filtration devices, this invention proposes an integrated ultra-fine microporous multi-layer filtration rainwater harvesting device.

[0006] The technical solution adopted by this utility model to solve its technical problem is: an integrated ultra-fine pore multi-layer filtration rainwater recycling device, including an installation cabinet. The installation cabinet is equipped with an ultra-fine pore multi-layer filter and a dosing assembly connected by pipes. The ultra-fine pore multi-layer filter is equipped with an inlet pipe and an outlet pipe. The ultra-fine pore multi-layer filter includes a body and multiple filter elements. The dosing assembly includes a clarifying agent tank and a long-acting disinfectant tank. The clarifying agent tank is connected to the inlet pipe by a pipe, and the long-acting disinfectant tank is connected to the outlet pipe by a pipe. The installation cabinet is equipped with a double-layer shelf, and the clarifying agent tank and the long-acting disinfectant tank are placed on the upper and lower layers of the double-layer shelf, respectively.

[0007] The filter element of the ultrafine microporous multilayer filter is composed of multiple layers of filter sheets stacked together, and the multilayer filter sheets are provided with a high-elasticity self-locking clamping mechanism.

[0008] Working principle: The ultrafine pore multilayer filter in this application adopts stacked filter plates and a high-elasticity self-locking clamping mechanism to form 20-36 layers of irregular filtration channels, forming a unique deep filtration structure that can capture a large number of impurities and achieve a filtration accuracy of 150μm. At the same time, since multiple filter cartridges can be set, the filter cartridges can be selected according to the flow rate to meet the high-flow filtration requirements. In addition, this application adopts a double-layer placement rack, which makes reasonable use of the internal space of the installation cabinet and reduces the area of ​​the installation cabinet.

[0009] Preferably, the clarifying agent tank and the long-acting disinfectant tank are connected to an internal circulation water supply pipe for the dosing system. The internal circulation water supply pipe for the dosing system is connected to a recycled water system, and the recycled water system is connected to an outlet pipe. The recycled water system is used to provide water supply to the clarifying agent tank and the long-acting disinfectant tank. The recycled water system includes a recycled water pressure stabilizing tank and a pressurizing system. The pressurizing system includes a recycled water inlet pipe, a variable frequency booster recycled pump, and a recycled water outlet pipe connected in sequence. The recycled water pressure stabilizing tank is connected to the recycled water outlet pipe.

[0010] Preferably, the double-layer placement rack and the ultra-fine pore multi-layer filter are arranged in a horizontal position. The reclaimed water system is located behind the double-layer placement rack and the ultra-fine pore multi-layer filter and is parallel to the rear of the double-layer placement rack and the ultra-fine pore multi-layer filter. The inlet pipe is provided with an inlet pipe interface, the outlet pipe is provided with an outlet pipe interface, the reclaimed water inlet pipe is provided with a reclaimed water inlet pipe interface, and the reclaimed water outlet pipe is provided with a reclaimed water outlet pipe interface. The inlet pipe interface and the reclaimed water outlet pipe interface pass through the installation cabinet and are located on one side of the installation cabinet, while the outlet pipe interface and the reclaimed water inlet pipe interface pass through the installation cabinet and are located on the other side of the installation cabinet.

[0011] Preferably, the inlet pipe is equipped with a rapid pipe mixer one, the outlet pipe is equipped with a rapid pipe mixer two, the clarifying agent tank is connected to the rapid pipe mixer one via a pipe, and the long-acting disinfectant tank is connected to the rapid pipe mixer two via a pipe.

[0012] Preferably, a branch pipe is provided on the outlet pipe between the reclaimed water pressure stabilizing tank and the variable frequency booster reclaimed water pump. One end of the branch pipe is connected to the outlet pipe, and the other end is connected to the return water outlet pipe. The internal circulation water supply pipe of the dosing system is connected to the branch pipe. An electric backwash valve for an ultra-fine pore multi-layer filter is connected between the branch pipe and the outlet pipe. The ultra-fine pore multi-layer filter is provided with a backwash drain pipe. The backwash drain pipe is provided with a backwash drain pipe interface. The backwash drain pipe interface passes through the mounting cabinet and is located on the same side of the mounting cabinet as the outlet pipe interface and the reclaimed water inlet pipe interface.

[0013] Preferably, an ultraviolet sterilizer is connected between the recycled water inlet pipe and the variable frequency booster recycled water pump, a recycled water flow meter is installed on the recycled water outlet pipe between the branch pipe connection and the recycled water pressure stabilizing tank, and a recycled water electric valve is installed on the recycled water outlet pipe.

[0014] Preferably, the clarifying agent tank is equipped with a clarifying agent stirrer, the ultrafine pore multilayer filter is equipped with a differential pressure sensor for detecting the internal pressure of the ultrafine pore multilayer filter, the clarifying agent tank is equipped with a clarifying agent dosing pump, the long-acting disinfectant tank is equipped with a long-acting disinfectant dosing pump, the outlet pipe is equipped with a drain electric valve, the connection between the internal circulation water supply pipe and the clarifying agent tank is equipped with a clarifying agent water supply battery valve, and the connection between the internal circulation water supply pipe and the long-acting disinfectant tank is equipped with a long-acting disinfectant water supply battery valve.

[0015] Preferably, the installation cabinet is equipped with a control panel, and a PLC controller is connected to the control panel. The PLC controller is electrically connected to the backwash electric valve of the ultrafine pore multilayer filter, the differential pressure sensor, the reclaimed water electric valve, the drain electric valve, the clarifying agent water replenishment battery valve, the long-lasting disinfectant water replenishment battery valve, the clarifying agent dosing pump, the long-lasting disinfectant dosing pump, the reclaimed water flow meter, and the clarifying agent agitator.

[0016] Preferably, the body is made of reinforced nylon material, which has the advantages of corrosion resistance, high reliability, and pressure resistance up to 10 bar.

[0017] The advantages of this utility model are:

[0018] This invention treats rainwater using an ultra-fine microporous multi-layer filter, thus avoiding the need for separate filters and reducing floor space. It employs multiple filter cartridges to achieve a high flow rate while maintaining a filtration accuracy of 150μm. A clarifying agent is added before the filter to cause impurities in the rainwater to aggregate into large flocs, improving filtration efficiency. A long-lasting disinfectant is added after the water passes through the filter; the long-lasting disinfectant in this application is a chlorine-based agent, providing a long-lasting disinfection effect.

[0019] 2. The water inlet pipe of this utility model is equipped with a rapid pipe mixer one, and the water outlet pipe is equipped with a rapid pipe mixer two. The arrangement of the rapid pipe mixer one and the rapid pipe mixer two enables the added agent to be rapidly and evenly diffused into the entire water body, achieving the purpose of instantaneous mixing, with a mixing efficiency of up to 90-95%.

[0020] 3. The body of this utility model is made of reinforced nylon material, which has the advantages of corrosion resistance, high reliability, and pressure resistance up to 10 bar.

[0021] 4. The present invention is equipped with a control panel and a PLC controller, which makes the present application more intelligent and avoids the problem of requiring complete manual control. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 This is a top view of the structure of this utility model;

[0025] Figure 3 This is a schematic diagram of the structure of this utility model;

[0026] Figure 4 This is a schematic diagram of the clarifying agent container structure of this utility model;

[0027] Figure 5 This is a schematic diagram of the structure of the long-acting disinfectant container of this utility model;

[0028] Figure 6 This is a schematic diagram of the installation cabinet of this utility model;

[0029] Figure 7 This is a schematic diagram of the sound-absorbing layer of this utility model.

[0030] In the diagram: 1. Installation cabinet; 2. Ultrafine microporous multilayer filter; 3. Dosing assembly; 4. Inlet pipe; 5. Outlet pipe; 6. Rapid mixer one; 7. Rapid mixer two; 8. Internal circulation water supply pipe for the dosing system; 9. Reclaimed water system; 101. Control panel; 102. Soundproofing layer; 103. Chassis; 104. Forklift opening; 201. Backwash electric valve for the ultrafine microporous multilayer filter; 202. Backwash drain pipe; 203. Backwash drain pipe interface; 301. Clarifying agent tank; 302. Long-lasting disinfectant tank; 303. Clarifying agent. Dosing pump; 304, Long-acting disinfectant dosing pump; 305, Clarifying agent agitator; 401, Inlet pipe interface; 501, Drain electric valve; 502, Outlet pipe interface; 801, Clarifying agent water replenishment solenoid valve; 802, Long-acting disinfectant water replenishment solenoid valve; 901, Reclaimed water pressure stabilizing tank; 902, Reclaimed water inlet pipe; 903, Variable frequency booster reclaimed water pump; 904, Reclaimed water outlet pipe; 905, Ultraviolet sterilizer; 906, Reclaimed water flow meter; 907, Reclaimed water electric valve; 908, Reclaimed water inlet pipe interface; 909, Reclaimed water outlet pipe interface. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Please see Figure 1 , Figure 2 , Figure 3 As shown, the technical solution adopted by this utility model to solve its technical problem is: an integrated ultra-fine pore multi-layer filtration rainwater recycling device, including an installation cabinet 1. The installation cabinet 1 is equipped with an ultra-fine pore multi-layer filter 2 and a dosing assembly 3 connected by pipes. The ultra-fine pore multi-layer filter 2 is equipped with an inlet pipe 4 and an outlet pipe 5. The ultra-fine pore multi-layer filter 2 includes a body and multiple filter elements. The dosing assembly 3 includes a clarifying agent tank 301 and a long-acting disinfectant tank 302. The clarifying agent tank 301 is connected to the inlet pipe 4 by a pipe, and the long-acting disinfectant tank 302 is connected to the outlet pipe 5 by a pipe. The installation cabinet 1 is equipped with a double-layer shelf, and the clarifying agent tank 301 and the long-acting disinfectant tank 302 are placed on the upper and lower layers of the double-layer shelf, respectively.

[0033] In another implementation, please refer to Figure 1 , Figure 2 , Figure 3The clarifying agent tank 301 and the long-acting disinfectant tank 302 are connected to a circulating water supply pipe 8 for the dosing system. The circulating water supply pipe 8 is connected to a recycled water system 9, which is connected to an outlet pipe 5. The recycled water system 9 is used to provide water supply to the clarifying agent tank 301 and the long-acting disinfectant tank 302. The recycled water system 9 includes a recycled water pressure stabilizing tank 901 and a pressurizing system. The pressurizing system includes a recycled water inlet pipe 902, a variable frequency booster pump 903, and a recycled water outlet pipe 904 connected in sequence. The recycled water pressure stabilizing tank 901 is connected to the recycled water outlet pipe 904, which facilitates the replenishment of water to the clarifying agent tank 301 and the long-acting disinfectant tank 302 and avoids the need for personnel to replenish water separately.

[0034] In another implementation, please refer to Figure 1 , Figure 3 The clarifying agent tank 301 and the long-acting disinfectant tank 302 are respectively placed on the upper and lower layers of the double-layer shelf. The double-layer shelf and the ultra-fine pore multi-layer filter 2 are arranged horizontally. The recycled water system 9 is located behind the double-layer shelf and the ultra-fine pore multi-layer filter 2 and is parallel to them. The inlet pipe 4 is provided with an inlet pipe interface 401, the outlet pipe 5 is provided with an outlet pipe interface 502, and the recycled water inlet pipe 902 is provided with a recycled water inlet pipe interface 908. The recycled water outlet pipe 904 is equipped with a recycled water outlet pipe interface 909, and the backwash drain pipe 202 is equipped with a backwash drain pipe interface 203. The inlet pipe interface 401 and the recycled water outlet pipe interface 909 pass through the mounting cabinet 1 and are located on one side of the mounting cabinet 1. The outlet pipe interface 502, the recycled water inlet pipe interface 908, and the backwash drain pipe interface 203 pass through the mounting cabinet 1 and are located on the other side of the mounting cabinet 1. This arrangement can make full use of the space of the mounting cabinet 1, so that the floor area of ​​the mounting cabinet 1 is less than 2m2.

[0035] In another implementation, please refer to Figure 1 , Figure 2 , Figure 3 The inlet pipe 4 is equipped with a rapid pipe mixer 6, and the outlet pipe 5 is equipped with a rapid pipe mixer 7. The clarifying agent tank 301 is connected to the rapid pipe mixer 6 via a pipe, and the long-acting disinfectant tank 302 is connected to the rapid pipe mixer 7 via a pipe. The rapid pipe mixer enables the added agent to spread rapidly and evenly throughout the water body, achieving instantaneous mixing with a mixing efficiency of up to 90-95%. The rapid pipe mixer includes two mixing units, each including a pipe. The pipe contains spiral blades, and the spiral blades in adjacent sections rotate in opposite directions and are offset by 90°.

[0036] In another implementation, please refer to Figure 1 , Figure 2 , Figure 3 A branch pipe is provided on the outlet pipe 5 between the reclaimed water pressure stabilizing tank 901 and the variable frequency booster reclaimed pump 903. One end of the branch pipe is connected to the outlet pipe 5, and the other end is connected to the return water outlet pipe 5. The internal circulation water supply pipe 8 of the dosing system is connected to the branch pipe. An ultra-fine pore multi-layer filter backwash electric valve 201 is connected between the branch pipe and the outlet pipe 5. The ultra-fine pore multi-layer filter 2 is provided with a backwash drain pipe 202. The setting of the ultra-fine pore multi-layer filter backwash electric valve 201 further enables remote control without the need for on-site operation by personnel.

[0037] In another implementation, please refer to Figure 1 , Figure 2 , Figure 3 An ultraviolet sterilizer 905 is connected between the reclaimed water inlet pipe 902 and the variable frequency booster reclaimed water pump 903, which can further disinfect the reclaimed water. A reclaimed water flow meter 906 is installed on the reclaimed water outlet pipe 904 between the branch pipe connection and the reclaimed water pressure stabilizing tank 901. A reclaimed water electric valve 907 is installed on the reclaimed water outlet pipe 904.

[0038] In another implementation, please refer to Figure 4 , Figure 5 The clarifying agent tank 301 is equipped with a clarifying agent dosing pump 303, the long-acting disinfectant tank 302 is equipped with a long-acting disinfectant dosing pump 304, the water outlet pipe 5 is equipped with a drain electric valve 501, the connection between the internal circulation water supply pipe 8 and the clarifying agent tank 301 is equipped with a clarifying agent water supply solenoid valve 801, and the connection between the internal circulation water supply pipe 8 and the long-acting disinfectant tank 302 is equipped with a long-acting disinfectant water supply solenoid valve 802. All of these features make remote operation more convenient and avoid manual operation by personnel.

[0039] In another implementation, please refer to Figure 4 The clarifying agent tank 301 shown is equipped with a clarifying agent stirrer 305, and the ultrafine pore multilayer filter 2 is equipped with a differential pressure sensor. The differential pressure sensor is used to detect the internal pressure of the ultrafine pore multilayer filter 2, so that the clarifying agent and long-lasting disinfectant can be mixed more evenly after the agent is added, resulting in better efficacy.

[0040] In another implementation, please refer to Figure 1 , Figure 2 , Figure 3The installation cabinet 1 shown is equipped with a control panel 101, which is connected to a PLC controller. The PLC controller is electrically connected to the backwash electric valve 201 of the ultrafine pore multilayer filter, a differential pressure sensor, a reclaimed water electric valve 907, a drain electric valve 501, a clarifying agent water replenishment battery valve 801, a long-lasting disinfectant water replenishment battery valve 802, a clarifying agent dosing pump 303, a long-lasting disinfectant dosing pump 304, a reclaimed water flow meter 906, and a clarifying agent agitator 305, making it more intelligent. At the same time, the differential pressure sensor monitors the internal pressure of the ultrafine pore multilayer filter 2, and the PLC can realize manual / automatic filter backwashing maintenance through preset values.

[0041] In another embodiment, the body is made of reinforced nylon, which has the advantages of corrosion resistance, high reliability, and pressure resistance up to 10 bar.

[0042] In another implementation, please refer to Figure 7 The installation cabinet 1 shown is lined with sound-absorbing material, which is sound-absorbing cotton, to reduce noise during the filtration process.

[0043] In another implementation, please refer to Figure 6 The installation cabinet 1 shown includes a cabinet body and a chassis 103 located at the bottom of the cabinet body. The chassis 103 is provided with one or more of forklift holes 104 or casters to facilitate the movement of this application.

[0044] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0045] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. An integrated ultra-fine microporous multi-layer filtration rainwater harvesting device, characterized in that, The system includes an installation cabinet (1), which contains an ultra-fine pore multi-layer filter (2) and a dosing assembly (3). The ultra-fine pore multi-layer filter (2) and the dosing assembly (3) are connected by pipes. The ultra-fine pore multi-layer filter (2) is equipped with an inlet pipe (4) and an outlet pipe (5). The ultra-fine pore multi-layer filter (2) includes a body and multiple filter elements. The dosing assembly (3) includes a clarifying agent tank (301) and a long-acting disinfectant tank (302). The clarifying agent tank (301) is connected to the inlet pipe (4) by pipes. The long-acting disinfectant tank (302) is connected to the outlet pipe (5) by pipes. The installation cabinet (1) is equipped with a double-layer shelf. The clarifying agent tank (301) and the long-acting disinfectant tank (302) are placed on the upper and lower layers of the double-layer shelf, respectively. The filter elements of the ultra-fine pore multi-layer filter (2) are composed of multiple layers of filter sheets stacked together. The multiple layers of filter sheets are equipped with a high-elasticity self-locking clamping mechanism.

2. The integrated ultra-fine microporous multilayer filtration rainwater harvesting device according to claim 1, characterized in that: The clarifying agent tank (301) and the long-acting disinfectant tank (302) are connected to a circulating water supply pipe (8) for the dosing system. The circulating water supply pipe (8) for the dosing system is connected to a recycled water system (9). The recycled water system (9) is connected to an outlet pipe (5). The recycled water system (9) is used to provide water supply to the clarifying agent tank (301) and the long-acting disinfectant tank (302). The recycled water system (9) includes a recycled water pressure stabilizing tank (901) and a pressurizing system. The pressurizing system includes a recycled water inlet pipe (902), a variable frequency pressurizing recycled pump (903), and a recycled water outlet pipe (904) connected in sequence. The recycled water pressure stabilizing tank (901) is connected to the recycled water outlet pipe (904).

3. The integrated ultra-fine microporous multilayer filtration rainwater harvesting device according to claim 2, characterized in that: The double-layer placement rack and the ultra-fine pore multi-layer filter (2) are set in a horizontal position. The recycled water system (9) is set behind the double-layer placement rack and the ultra-fine pore multi-layer filter (2) and parallel to the back of the double-layer placement rack and the ultra-fine pore multi-layer filter (2). The inlet pipe (4) is provided with an inlet pipe interface (401). The outlet pipe (5) is provided with an outlet pipe interface (502). The recycled water inlet pipe (902) is provided with a recycled water inlet pipe interface (908). The recycled water outlet pipe (904) is provided with a recycled water outlet pipe interface (909). The inlet pipe interface (401) and the recycled water outlet pipe interface (909) pass through the installation cabinet (1) and are located on one side of the installation cabinet (1). The outlet pipe interface (502) and the recycled water inlet pipe interface (908) pass through the installation cabinet (1) and are located on the other side of the installation cabinet (1).

4. The integrated ultra-fine microporous multilayer filtration rainwater harvesting device according to claim 1, characterized in that: The inlet pipe (4) is equipped with a rapid pipe mixer one (6), the outlet pipe (5) is equipped with a rapid pipe mixer two (7), the clarifying agent tank (301) is connected to the rapid pipe mixer one (6) through a pipe, and the long-acting disinfectant tank (302) is connected to the rapid pipe mixer two (7) through a pipe.

5. The integrated ultra-fine microporous multilayer filtration rainwater harvesting device according to claim 3, characterized in that: A branch pipe is provided on the outlet pipe (5) between the reclaimed water pressure stabilizing tank (901) and the variable frequency booster reclaimed pump (903). One end of the branch pipe is connected to the outlet pipe (5), and the other end is connected to the return water outlet pipe (5). The internal circulation water replenishment pipe (8) of the dosing system is connected to the branch pipe. A backwash electric valve of an ultrafine pore multilayer filter (2) is connected between the branch pipe and the outlet pipe (5). A backwash drain pipe (202) is provided on the ultrafine pore multilayer filter (2). A backwash drain pipe interface (203) is provided on the backwash drain pipe (202). The backwash drain pipe interface (203) passes through the installation cabinet (1) and is located on the same side of the installation cabinet as the outlet pipe interface (502) and the reclaimed water inlet pipe interface (908).

6. The integrated ultra-fine microporous multilayer filtration rainwater harvesting device according to claim 5, characterized in that: An ultraviolet sterilizer (905) is connected between the recycled water inlet pipe (902) and the variable frequency booster recycled water pump (903). A recycled water flow meter (906) is installed on the recycled water outlet pipe (904) between the branch pipe connection and the recycled water pressure stabilizing tank (901). A recycled water electric valve (907) is installed on the recycled water outlet pipe (904).

7. The integrated ultra-fine microporous multilayer filtration rainwater harvesting device according to claim 6, characterized in that: The clarifying agent tank (301) is equipped with a clarifying agent stirrer (305), the ultrafine pore multilayer filter (2) is equipped with a differential pressure sensor, the differential pressure sensor is used to detect the internal pressure of the ultrafine pore multilayer filter (2), the clarifying agent tank (301) is equipped with a clarifying agent dosing pump (303), the long-acting disinfectant tank (302) is equipped with a long-acting disinfectant dosing pump (304), the water outlet pipe (5) is equipped with a drain electric valve (501), the connection between the internal circulation water supply pipe (8) of the dosing system and the clarifying agent tank (301) is equipped with a clarifying agent water supply battery valve (801), and the connection between the internal circulation water supply pipe (8) of the dosing system and the long-acting disinfectant tank (302) is equipped with a long-acting disinfectant water supply battery valve (802).

8. The integrated ultra-fine microporous multilayer filtration rainwater harvesting device according to claim 7, characterized in that: The installation cabinet (1) is equipped with a control panel (101), and a PLC controller is connected to the control panel (101). The PLC controller is electrically connected to the backwash electric valve, differential pressure sensor, reclaimed water electric valve (907), drain electric valve (501), clarifying agent water replenishment battery valve (801), long-lasting disinfectant water replenishment battery valve (802), clarifying agent dosing pump (303), long-lasting disinfectant dosing pump (304), reclaimed water flow meter (906), and clarifying agent agitator (305) of the ultrafine pore multilayer filter (2).

9. The integrated ultra-fine microporous multilayer filtration rainwater harvesting device according to claim 1, characterized in that: The body is made of reinforced nylon.

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