Rainwater collecting, treating and recycling system and working method

Abstract

The invention relates to the technical field of rainwater collection and utilization, and particularly discloses a rainwater collection, treatment and recycling system and a working method, a collection mechanism and a water replenishing mechanism are arranged on the water inlet side of a reservoir, and a water cleaning mechanism is arranged on the water outlet side of the reservoir; a water inlet of the collecting box is connected with a collecting pipe, a drain outlet is formed in the bottom of the collecting box, a plugging plate capable of being upgraded and adjusted is arranged at the drain outlet, and the drain outlet is connected with a sewage pipe; a gutter inlet of the water supplementing valve body is connected with a first water outlet of the collecting box through a pipeline, a water supplementing opening is formed in the bottom of the water supplementing valve body and connected with a water supplementing pipe, and a blocking ball is arranged at the bottom of the blocking block and blocks the water supplementing opening. The water inlet side of the water pump is connected with a water feeding pipe which is arranged in the reservoir, the water outlet side of the water pump is connected with a water pipe, and the water pipe is provided with a water taking pipe and a water taking port; the use stability of the equipment is improved, the use cost is reduced, and the water taking safety and convenience of the fire fighting truck are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rainwater collection and utilization, in particular to a rainwater collection, treatment and recycling system and working method. BACKGROUND

[0002] The water taking mode of the fire truck includes municipal fire hydrant water taking and water suction by the water pump of the fire truck, wherein the municipal fire hydrant water taking is a commonly used mode, the fire truck uses a fire hose to connect a water hose interface of the fire hydrant, and directly injects water into the tank, the municipal fire hydrant water supply is pressure water, and the water supply can be quickly completed. The position of the municipal fire hydrant is in the urban area, the fire truck is parked for a long time to take water, which has hidden dangers to traffic safety, and the water source of the municipal pipe network is treated, which causes waste of drinking water. The water supply environment of the water pump of the fire truck is generally rivers, lakes and other water areas, and there are many impurities in the water, which affects the stable operation of the fire-fighting equipment. Moreover, the water suction by the water pump of the fire truck causes high energy consumption of the vehicle and energy waste. Therefore, a rainwater collection, treatment and recycling system and working method are explored to solve the technical problems of waste of drinkable water and energy waste of the fire truck. SUMMARY

[0003] In view of the problems in the prior art, the present application aims to provide a rainwater collection, treatment and recycling system and working method.

[0004] The technical scheme adopted by the present application to solve the technical problems is: a rainwater collection, treatment and recycling system, comprising a water storage tank, wherein the water storage tank is arranged below the ground, a collecting mechanism and a water supply mechanism are arranged on the water inlet side of the water storage tank, and a water use cleaning mechanism is arranged on the water outlet side of the water storage tank.

[0005] The collecting mechanism is provided with a collecting tank and a collecting well, the water inlet of the collecting tank is connected with a collecting pipe, the bottom of the collecting tank is provided with a sewage outlet, a blocking plate for upgrading and adjusting is arranged at the sewage outlet, and the sewage outlet is connected with a sewage pipe.

[0006] The water supply mechanism is provided with a water supply valve body and a blocking block, the rainwater inlet of the water supply valve body is connected with the water outlet one of the collecting tank through a pipeline, the bottom of the water supply valve body is provided with a water supply opening, the water supply opening is connected with a water supply pipe, and a blocking ball is arranged at the bottom of the blocking block to block the water supply opening.

[0007] The water use cleaning mechanism is provided with a water use pump and a water use pipe, the water inlet side of the water use pump is connected with an upper water pipe, the upper water pipe is arranged in the water storage tank, the water outlet side of the water use pump is connected with the water use pipe, and a water taking pipe and a water taking opening are installed on the water use pipe.

[0008] Specifically, the collecting well is provided with a plurality of collecting pipes which are in communication, the inlet of the collecting well is arranged on the ground, and a grating plate is arranged at the well mouth of the collecting well.

[0009] Specific is, the collecting box is provided with upper and lower partitions, which form a serpentine water flow from the water inlet to the water outlet in the collecting box, the top of the side of the collecting box close to the water inlet is provided with a garbage collecting port, a garbage collecting filter screen is placed at the garbage collecting port, the garbage collecting filter screen is supported between the upper partition and the wall of the collecting box, and the bottom of the garbage collecting filter screen is provided with an inclined surface.

[0010] Specific is, the sewage outlet is arranged at the front side of the water flow of the lower partition, a limiting rod is movably arranged in the sewage outlet, the limiting rod is installed at the bottom of the blocking plate through a supporting rod, the size of the blocking plate is larger than that of the sewage outlet, a limiting ring is arranged at the upper opening of the sewage outlet, and the limiting ring blocks the limiting rod.

[0011] Specific is, the top of the blocking plate is fixedly connected with a lifting lead screw, the lifting lead screw movably penetrates through a limiting sleeve one at the top of the collecting box, the upper portion of the lifting lead screw is threadedly connected with a nut seat one, the lower portion of the nut seat one is installed in a gear box one through a bearing seat, a conical gear one is installed on the outer circle of the upper portion of the nut seat one, the conical gear one is engagedly connected with a conical gear two, the conical gear two is installed on the motor shaft of a lifting motor, the lifting motor is installed on the top of the collecting box, and the lifting motor drives the nut seat one to rotate and drives the lifting lead screw to rotate and lift.

[0012] Specific is, the inner wall of the water storage pool is provided with a composite geomembrane, the inner side of the composite geomembrane is provided with a PP module, the upper portion of the water storage pool is provided with a rainwater well and a recycling cleaning well, a liquid level sensor is arranged in the rainwater well, the liquid level sensor is electrically connected with a PLC controller, and the bottom of the water storage pool is provided with a water suction pit, which is located below the recycling cleaning well.

[0013] Specific is, one side of the rainwater well is provided with a collecting port, the collecting port is connected with the water outlet two of the water supplement valve body through a rainwater pipeline, the height of the water outlet two is smaller than that of the rainwater port, the height difference between the rainwater port and the water outlet two is greater than that of the blocking block, the water supplement port adopts a horn opening structure arranged upward, the size of the water supplement port is smaller than that of the blocking ball, and the blocking ball and the blocking block are made of rubber material.

[0014] The top of the blocking block is fixedly connected with a blocking lead screw, the blocking lead screw movably penetrates through a limiting sleeve two at the top of the water supplement valve body, the upper portion of the blocking lead screw is threadedly connected with a nut seat two, the lower portion of the nut seat two is installed in a gear box two through a bearing seat, a conical gear three is installed on the outer circle of the upper portion of the nut seat two, the conical gear three is engagedly connected with a conical gear four, the conical gear four is installed on the motor shaft of an adjusting motor, the adjusting motor is installed on the ground through a support, and the adjusting motor drives the nut seat two to rotate and drives the blocking lead screw to rotate and lift.

[0015] Specific is, the upper water pipe penetrates from the recycling cleaning well, the bottom of the upper water pipe is placed into the water suction pit, a water valve is installed on the water pipe, and a fire hydrant or an interface control valve is installed at the water outlet.

[0016] Specific, the water taking pipe is connected with a water taking pipe through a three-way joint one, a filter and a water taking valve are installed on the water taking pipe, the water taking pipe extends into the bottom of the water storage pool through the reuse cleaning well, the water taking pipe is connected with a cleaning pipe through a three-way joint two, cleaning branch pipes are arranged on the cleaning pipe, and the cleaning pipe and the cleaning branch pipes are distributed at the bottom of the water storage pool, and a plurality of cleaning nozzles are installed on the cleaning pipe and the cleaning branch pipes.

[0017] A working method of a rainwater collecting, treating and reusing system, comprising the following steps:

[0018] S1, when collecting rainwater, the water storage pool is arranged at a low position as a whole, rainwater enters the collecting box through the collecting well and the collecting pipe, impurities are filtered by the garbage collecting filter screen in the collecting box, the water flow flows in a serpentine manner in the collecting box, so that the precipitated impurities are deposited on the blocking plate at the lower baffle, the water flow enters the water supplement valve body, at this time, the blocking ball blocks the water supplement opening, the rainwater opening and the water outlet opening are in communication, and the water flow enters the water storage pool through the rainwater well;

[0019] S2, when the rainwater collection is completed or the liquid level sensor identifies that the water in the water storage pool reaches the upper limit warning position, the lifting motor controls the lifting lead screw to rotate and ascend, drives the blocking plate to ascend, and the rainwater and impurities flow into the sewage pipe through the blow-off opening; when the rainwater stops, the lifting motor drives the blocking plate to descend and continue to block the blow-off opening;

[0020] S3, when supplementing water, the liquid level sensor identifies that the water in the water storage pool reaches the lower limit warning position, the adjusting motor drives the blocking lead screw to rotate and ascend, at this time, the blocking block is located between the rainwater opening and the water outlet opening, the blocking ball leaves the water supplement opening, the water outlet opening two is in communication with the water supplement opening, and the water in the municipal pipe network connected with the water supplement pipe enters the water storage pool, the adjusting motor drives the blocking block to continue to ascend and exceed the height of the rainwater opening, the water in the water supplement pipe reversely flushes the collecting box, the liquid level sensor identifies that the water in the water storage pool reaches the upper limit warning position, the adjusting motor drives the blocking block to descend, and the blocking ball continues to block the water supplement opening;

[0021] S4, when using water, the water pump is started, the water taking valve is closed, the water taking valve is opened, the fire hydrant or the fire pipe interface control valve is connected with the fire truck to supply water;

[0022] S5, when cleaning, the liquid level sensor identifies that the water in the water storage pool is below the lower limit warning position, the adjusting motor opens the blocking block according to step S3, the water flow enters the water storage pool, the water pump is started, the water taking valve is opened, the water taking valve is closed or opened at the same time, the cleaning nozzle cleans the inside of the water storage pool, and the cleaning is circularly performed through the water pump, the filter filters, after the cleaning is completed, the blocking block and the water taking valve are closed, the water taking valve is fully opened, the cleaning water is discharged, and water is re-injected.

[0023] The application has the following beneficial effects:

[0024] The rainwater collecting, treating and recycling system and working method are characterized in that the rainwater is collected by a water storage pool, and the rainwater is filtered and settled to improve the cleanliness of the rainwater, reduce the dependence on municipal water, reduce the waste of drinkable water, avoid the damage of the water supply equipment of the fire truck caused by directly using the water with more impurities from rivers and lakes, and set cleaning equipment to regularly clean the water storage pool, improve the stability of the equipment use, and reduce the use cost.

[0025] The rainwater collecting, treating and recycling system and working method are characterized in that the rainwater collecting, treating and recycling system and working method are characterized in that the rainwater is collected by a water storage pool, and the rainwater is filtered and settled to improve the cleanliness of the rainwater, reduce the dependence on municipal water, reduce the waste of drinkable water, avoid the damage of the water supply equipment of the fire truck caused by directly using the water with more impurities from rivers and lakes, and set cleaning equipment to regularly clean the water storage pool, improve the stability of the equipment use, and reduce the use cost. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic view of the rainwater collecting, treating and recycling system.

[0027] Figure 2 is an internal structure schematic view of the collecting mechanism.

[0028] Figure 3 is Figure 2 is an enlarged view of A in the rainwater collecting, treating and recycling system.

[0029] Figure 4 is an internal structure schematic view of the blocking state of the blocking block in the water supplementing mechanism.

[0030] Figure 5 is an internal structure schematic view of the water supplementing state in the water supplementing mechanism.

[0031] In the figure: 1-collecting mechanism, 101-collecting box, 102-upper baffle, 103-lower baffle, 104-water inlet, 105-water outlet one, 106-drainage port, 107-garbage collecting filter screen, 108-lifting screw rod, 109-gear box one, 110-lifting motor, 111-blocking plate, 112-limiting ring, 113-limiting rod, 114-limiting sleeve one, 115-collecting well, 116-collecting pipe, 117-sewage pipe;

[0032] 2-water supplementing mechanism, 201-water supplementing valve body, 202-rainwater inlet, 203-water supplementing port, 204-water outlet two, 205-blocking block, 206-blocking ball, 207-blocking screw rod, 208-gear box two, 209-adjusting motor, 210-limiting sleeve two, 211-water supplementing pipe;

[0033] 3-water storage pool, 301-rainwater well, 302-recycling and cleaning well, 303-PP module, 304-collecting port, 305-water suction pit;

[0034] 4-Water cleaning mechanism, 401-Water inlet pipe, 402-Water pump, 403-Water pipe, 404-Water valve, 405-Water intake pipe, 406-Water intake valve, 407-Filter, 408-Cleaning pipe, 409-Cleaning nozzle;

[0035] 5-Ground. Detailed Implementation

[0036] The technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0037] like Figures 1-5 As shown, a rainwater harvesting, treatment, and reuse system includes a water storage tank 3, which is located below ground level 5. The water storage tank 3 is situated in a low-lying area within the fire and rescue team's premises, and its water storage capacity meets the full-load water replenishment needs of all fire trucks within the team. A composite geomembrane is installed on the inner wall of the water storage tank 3, and PP modules 303 are installed on the inner side of the composite geomembrane. The PP modules 303 are sponge rainwater harvesting modules. A rainwater well 301 and a reuse cleaning well 302 are located at the top of the water storage tank 3. A level sensor is inserted into the rainwater well 301, and the level sensor is electrically connected to a PLC controller to monitor the water level in the water storage tank 3 in real time, coordinating with the control of the lifting motor 110, the regulating motor 209, and the water pump 402. A suction pit 305 is located at the bottom of the water storage tank 3, below the reuse cleaning well 302.

[0038] A collection mechanism 1 is installed on the inlet side of the water storage tank 3. The collection mechanism 1 includes a collection box 101, a collection well 115, and a collection pipe 116. The inlet of the collection box 101 is connected to the collection pipe 116. The collection well 115 has multiple collection pipes 116 connected to it. The inlet of the collection well 115 is located on the ground surface 5. A grate is installed at the opening of the collection well 115, and the grate performs the first layer of filtration for large impurities.

[0039] The collection box 101 is equipped with an upper partition 102 and a lower partition 103. The upper partition 102 and the lower partition 103 form a serpentine flow of water in the collection box 101 from the inlet 104 to the outlet 105. The top of the collection box 101 near the inlet 104 is provided with a garbage collection port. A garbage collection filter 107 is placed at the garbage collection port. The garbage collection filter 107 adopts a long strip structure to adapt to the shape of the collection box 101. The garbage collection filter 107 is supported between the upper partition 102 and the box wall of the collection box 101. The bottom of the garbage collection filter 107 is set with an inclined surface to facilitate the water flow and garbage accumulation.

[0040] The bottom of the collection box 101 is provided with a drain outlet 106, and an adjustable sealing plate 111 is provided at the drain outlet 106. The drain outlet 106 is connected to the sewage pipe 117. The drain outlet 106 is located in front of the water flow of the lower partition 103. A limiting rod 113 is movably installed inside the drain outlet 106. The limiting rod 113 adopts a thin rod structure so as not to affect the water flow through the drain outlet 106. The limiting rod 113 is installed at the bottom of the sealing plate 111 by a support rod. The size of the sealing plate 111 is larger than the size of the drain outlet 106. The sealing plate 111 is compacted and sealed at the upper part of the drain outlet 106 by the gravity of the water. A limiting ring 112 is provided at the upper opening of the drain outlet 106. The limiting ring 112 blocks the limiting rod 113, limits the rising height, and is adapted to the rising height set by the lifting motor 110.

[0041] The top of the sealing plate 111 is fixedly connected to the lifting screw 108. The lifting screw 108 moves through the limiting sleeve 114 at the top of the collection box 101. The upper part of the lifting screw 108 is threadedly connected to the screw nut seat 1. The lower part of the screw nut seat is installed in the gear box 109 through the bearing seat. The upper outer ring of the screw nut seat 1 is installed with a bevel gear 1. The bevel gear 1 meshes with a bevel gear 2. The bevel gear 2 is installed on the motor shaft of the lifting motor 110. The lifting motor 110 is installed on the top of the collection box 101. The lifting motor 110 drives the screw nut seat 1 to rotate, which in turn drives the lifting screw 108 to rotate and rise.

[0042] A water replenishment mechanism 2 is provided on the inlet side of the water storage tank 3. The water replenishment mechanism 2 is provided with a water replenishment valve body 201, a sealing block 206, an regulating motor 209 and a water replenishment pipe 211. The rainwater inlet 202 of the water replenishment valve body 201 is connected to the outlet 105 of the collection box 101 through a pipe. A water replenishment port 203 is provided at the bottom of the water replenishment valve body 201. The water replenishment port 203 is connected to the water replenishment pipe 211. The water replenishment pipe 211 is connected to the external municipal pipe network. A sealing ball 206 is provided at the bottom of the sealing block 205. The sealing ball 206 seals the water replenishment port 203.

[0043] A collection port 304 is provided on one side of the rainwater well 301. The collection port 304 is connected to the outlet 204 of the water supply valve body 201 through a rainwater pipe. The height of the outlet 204 is less than the height of the rainwater inlet 202. The height difference between the rainwater inlet 202 and the outlet 204 is greater than the height of the sealing block 205. This is used to control whether the water coming from the water supply inlet 203 is discharged through the outlet 204 or discharged through both the outlet 204 and the rainwater inlet 202. The water supply inlet 203 adopts an upward-facing funnel-shaped structure. The size of the water supply inlet 203 is smaller than the size of the sealing ball 206. Both the sealing ball 206 and the sealing block 205 are made of rubber.

[0044] The top of the sealing block 205 is fixedly connected to the sealing screw 207. The sealing screw 207 moves through the limiting sleeve 210 at the top of the water supply valve body 201. The upper part of the sealing screw 207 is threadedly connected to the screw nut seat 2. The lower part of the screw nut seat 2 is installed in the gear box 208 through the bearing seat. The upper outer ring of the screw nut seat 2 is installed with a bevel gear 3. The bevel gear 3 meshes with a bevel gear 4. The bevel gear 4 is installed on the motor shaft of the regulating motor 209. The regulating motor 209 is installed on the ground through the bracket. The regulating motor 209 drives the screw nut seat 2 to rotate, which drives the rotation and lifting of the sealing screw 207.

[0045] A water cleaning mechanism 4 is provided on the outlet side of the water storage tank 3; the water cleaning mechanism 4 is equipped with a water pump 402 and a water pipe 403. The inlet side of the water pump 402 is connected to a water supply pipe 401, which is located in the water storage tank 3. The outlet side of the water pump 402 is connected to the water pipe 403, and a water intake pipe 405 and a water intake port are installed on the water pipe 403.

[0046] Water supply pipe 401 is inserted into the reuse cleaning well 302. The bottom of water supply pipe 401 is placed in the suction pit 305. Water valve 404 is installed on water pipe 403. Fire hydrant or interface control valve is installed at the water intake to supply water to fire trucks, avoiding the use of automatic power pumps of fire trucks and reducing energy consumption.

[0047] Water intake pipe 405 is connected to water pipe 403 via tee connector one. Filter 407 and water intake valve 406 are installed on water intake pipe 405. Water intake pipe 405 extends into the bottom of water storage tank 3 through reuse cleaning well 302. Water intake pipe 405 is connected to cleaning pipe 48 via tee connector two. Cleaning branch pipes are installed on cleaning pipe 408. Cleaning pipe 408 and cleaning branch pipes are distributed at the bottom of water storage tank 3. Several cleaning nozzles 409 are installed on cleaning pipe 408 and cleaning branch pipes. Cleaning nozzles 409 are distributed around cleaning pipe 408 and cleaning branch pipes.

[0048] A method for operating a rainwater harvesting, treatment, and reuse system includes the following steps:

[0049] 1. During rainwater collection, the water storage tank 3 is set in a low-lying area within the fire and rescue team. Rainwater enters the collection box 101 through the collection well 115 and collection pipe 116. The garbage collection filter 107 in the collection box 101 filters impurities. The water flows in a serpentine manner within the collection box 101, causing sediment to settle on the sealing plate 111 at the lower partition 103. The water flows into the water supply valve body 201. At this time, the sealing ball 206 seals the water supply port 203, and the rainwater port 202 and the outlet 204 are connected. The water flows into the water storage tank 3 through the rainwater well 301.

[0050] 2. Once the rainwater collection is complete or the level sensor detects that the water level in the water storage tank 3 has reached the upper limit warning position, the lifting motor 110 controls the lifting screw 108 to rotate and rise, driving the sealing plate 111 to rise. Rainwater and impurities flow into the sewage pipe 117 through the sewage outlet 106. The sewage pipe 117 connects to the external drainage pipe into the river or connects to the sewage pipe into the sewage treatment plant. When the rainwater stops, the lifting motor 110 drives the sealing plate 111 to descend and continue to seal the sewage outlet 106.

[0051] 3. During water replenishment, the level sensor detects that the water in the water storage tank 3 has reached the lower limit warning position. The regulating motor 209 drives the sealing screw 207 to rotate and rise. At this time, the sealing block 205 is located between the rainwater inlet 202 and the second outlet 204. The sealing ball 206 leaves the water inlet 203. The second outlet 204 is connected to the water inlet 203. The water in the municipal pipe network connected to the water supply pipe 211 enters the water storage tank 3. The regulating motor 209 drives the sealing block 205 to continue to rise above the height of the rainwater inlet 202. The water in the water supply pipe 211 backwashes the collection box 101. The level sensor detects that the water in the water storage tank 3 has reached the upper limit warning position. The regulating motor 209 drives the sealing block 205 to descend. The sealing ball 206 continues to seal the water inlet 203.

[0052] 4. When water is needed, start the water pump 402, close the water intake valve 406, open the water valve 404, and connect the fire hydrant or fire pipe interface control valve to the fire truck for water supply.

[0053] 5. During cleaning, the level sensor detects that the water in the water tank 3 is below the lower limit warning level. The regulating motor 209 opens the sealing block 205 according to step S3, and the water flows into the water tank 3. The water pump 402 is started, the water intake valve 406 is opened, and the water valve 404 is closed or opened simultaneously. The cleaning nozzle 409 cleans the inside of the water tank 3 and circulates it through the water pump 402. The filter 407 filters the water. After cleaning is completed, the sealing block 405 and the water intake valve 406 are closed, the water valve 404 is fully opened, the cleaning water is discharged, and then water is refilled.

[0054] This invention is not limited to the above-described embodiments. Anyone should know that any structural changes made under the guidance of this invention, and any technical solutions that are the same as or similar to this invention, fall within the protection scope of this invention.

[0055] The technologies, shapes, and structures not described in detail in this invention are all known technologies.

Claims

1. A rainwater harvesting and treatment system comprising a water storage tank, the water storage tank being disposed below ground level, characterised in that, The water inlet side of the reservoir is provided with a collecting mechanism and a water replenishing mechanism, and the water outlet side of the reservoir is provided with a water use cleaning mechanism; The collecting mechanism is provided with a collecting tank and a collecting well, the water inlet of the collecting tank is connected with the collecting pipe, the bottom of the collecting tank is provided with a sewage outlet, the sewage outlet is provided with a blocking plate with a lifting adjustment, and the sewage outlet is connected with the sewage pipe; The water replenishing mechanism is provided with a water replenishing valve body and a blocking block, the rainwater inlet of the water replenishing valve body is connected with the water outlet one of the collecting tank through a pipeline, the bottom of the water replenishing valve body is provided with a water replenishing inlet, the water replenishing inlet is connected with the water replenishing pipe, the bottom of the blocking block is provided with a blocking ball, and the blocking ball blocks the water replenishing inlet; The water use cleaning mechanism is provided with a water use pump and a water use pipe, the water inlet side of the water use pump is connected with the water inlet pipe, the water inlet pipe is arranged in the reservoir, the water outlet side of the water use pump is connected with the water use pipe, and the water use pipe is provided with a water taking pipe and a water taking opening.

2. The rainwater harvesting and treatment recycling system according to claim 1, wherein, The collecting well is provided with a plurality of collecting pipes, the inlet of the collecting well is arranged on the ground, and a grating plate is arranged at the well mouth of the collecting well.

3. The rainwater harvesting and treatment recycling system according to claim 1, wherein, The collecting tank is provided with an upper partition plate and a lower partition plate, the upper partition plate and the lower partition plate form a serpentine water flow from the water inlet to the water outlet one in the collecting tank, the top of the side of the collecting tank close to the water inlet one is provided with a garbage collecting opening, a garbage collecting filter screen is arranged at the garbage collecting opening, the garbage collecting filter screen is supported between the upper partition plate and the tank wall of the collecting tank, and the bottom of the garbage collecting filter screen is provided with an inclined surface.

4. The rainwater harvesting and treatment recycling system of claim 1, wherein, The sewage outlet is arranged at the front side of the water flow of the lower partition plate, a limiting rod is movably arranged in the sewage outlet, the limiting rod is installed at the bottom of the blocking plate through a supporting rod, the size of the blocking plate is greater than that of the sewage outlet, a limiting ring is arranged at the upper opening of the sewage outlet, and the limiting ring blocks the limiting rod.

5. The rainwater harvesting, treatment and re-use system of claim 4, wherein, The top of the blocking plate is fixedly connected with a lifting screw rod, the lifting screw rod passes through a limiting sleeve one at the top of the collecting tank, the upper part of the lifting screw rod is threadedly connected with a nut seat one, the lower part of the nut seat one is installed in a gear box one through a bearing seat, a conical gear one is installed on the outer ring of the upper part of the nut seat one, the conical gear one is engagedly connected with a conical gear two, the conical gear two is installed on the motor shaft of a lifting motor, the lifting motor is installed at the top of the collecting tank, and the lifting motor drives the rotation of the nut seat one to drive the lifting screw rod to rotate and lift.

6. The rainwater harvesting and treatment recycling system of claim 1, wherein, The inner side of the composite geomembrane is provided with a PP module, the upper part of the reservoir is provided with a rainwater well and a recycling cleaning well, a liquid level sensor is arranged in the rainwater well, the liquid level sensor is electrically connected with a PLC controller, and the bottom of the reservoir is provided with a water suction pit, which is located below the recycling cleaning well.

7. The rainwater harvesting, treatment and re-use system of claim 6, wherein, One side of the rainwater well is provided with a collecting opening, the collecting opening is connected with the water outlet two of the water replenishing valve body through a rainwater pipeline, the height of the water outlet two is less than that of the rainwater inlet, the height difference between the rainwater inlet and the water outlet two is greater than the height of the blocking block, the water replenishing inlet adopts a horn opening structure arranged upward, the size of the water replenishing inlet is smaller than that of the blocking ball, and the blocking ball and the blocking block are made of rubber. The top of the blocking block is fixedly connected with a blocking screw rod, the blocking screw rod movably penetrates through a limiting sleeve two on the top of the water supplement valve body, a screw nut base two is threadedly connected on the upper portion of the blocking screw rod, the lower portion of the screw nut base two is installed in a gear box two through a bearing seat, a conical gear three is installed on the outer ring of the upper portion of the screw nut base two, the conical gear three is engagedly connected with a conical gear four, the conical gear four is installed on the motor shaft of an adjusting motor, the adjusting motor is installed on the ground through a support, and the adjusting motor drives the screw nut base two to rotate and drives the blocking screw rod to rotate and lift.

8. The rainwater harvesting, treatment and re-use system of claim 6, wherein, The upper water pipe penetrates from the reuse cleaning well, the bottom of the upper water pipe is placed in the water suction pit, a water using valve is installed on the water pipe, and a fire hydrant or an interface control valve is installed at the water taking port.

9. The rainwater harvesting, treatment and re-use system of claim 8, wherein, The water taking pipe is connected with the water using pipe through a three-way joint one, a filter and a water taking valve are installed on the water taking pipe, the water taking pipe extends into the bottom of the water storage pool through the reuse cleaning well, the water taking pipe is connected with the cleaning pipe through a three-way joint two, the cleaning pipe is provided with cleaning branch pipes, and the cleaning pipe and the cleaning branch pipes are distributed in the bottom of the water storage pool.

10. The method of claim 1-9, wherein, The method comprises the following steps: S1, when rainwater is collected, the water storage pool is arranged at a low position as a whole, rainwater enters the collecting box through the collecting well and the collecting pipe, impurities are filtered by the garbage collecting filter screen in the collecting box, the water flow flows in a serpentine manner in the collecting box, so that the sediment impurities are deposited on the blocking plate at the lower baffle, the water flow enters the water supplement valve body, at this time, the blocking ball blocks the water supplement port, the rainwater port and the water outlet two are communicated, and the water flow enters the water storage pool through the rainwater well; S2, when the rainwater collection is completed or the liquid level sensor identifies that the water in the water storage pool reaches the upper limit warning position, the lifting motor controls the lifting screw rod to rotate and ascend, drives the blocking plate to ascend, and the rainwater and impurities flow into the sewage pipe through the sewage discharge port; when the rainwater stops, the lifting motor drives the blocking plate to descend and continue to block the sewage discharge port; S3, when water is supplemented, the liquid level sensor identifies that the water in the water storage pool reaches the lower limit warning position, the adjusting motor drives the blocking screw rod to rotate and ascend, at this time, the blocking block is located between the rainwater port and the water outlet two, the blocking ball leaves the water supplement port, the water outlet two is communicated with the water supplement port, and the water in the municipal pipe network connected with the water supplement pipe enters the water storage pool; the adjusting motor drives the blocking block to continue to ascend and exceed the height of the rainwater port, the water of the water supplement pipe reversely flushes the collecting box, the liquid level sensor identifies that the water in the water storage pool reaches the upper limit warning position, and the adjusting motor drives the blocking block to descend, so that the blocking ball continues to block the water supplement port; S4, when water is used, the water pump is started, the water taking valve is closed, the water using valve is opened, the fire hydrant or the fire pipe interface control valve is connected with the fire truck to supply water; S5, when the water storage pool is cleaned, the liquid level sensor identifies that the water in the water storage pool is below the lower limit warning position, the adjusting motor opens the blocking block according to step S3, the water flow enters the water storage pool, the water pump is started, the water taking valve is opened, the water using valve is closed or opened at the same time, the cleaning nozzle cleans the inside of the water storage pool, and the water is circulated through the water pump, the filter filters, after the cleaning is completed, the blocking block and the water taking valve are closed, the water using valve is fully opened, the cleaning water is discharged, and the water is re-injected.

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