Rainwater recycling system of gravity energy storage tower and recycling method thereof
By setting up high-level water tanks and flushing water pumps in the high-level areas of the gravity energy storage tower, and setting up low-level water tanks and reuse water pumps in the factory area to collect and use roof rainwater for flushing, the problem of large water consumption of roof cleaning of gravity energy storage towers is solved, and water resources and power consumption is saved.
Patent Information
- Application Number
- CN202510357652.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2025-05-06
AI Technical Summary
The roof area of gravity energy storage towers is large and requires regular cleaning. The prior art uses tap water to flush, which leads to a large amount of water consumption. At the same time, the high head of the water pump at high places leads to excessive power consumption.
A high-level water tank and a flushing water pump are set up in the high-level areas of the gravity energy storage tower, a low-level water tank and a return water pump are set up in the factory area, and the roof rainwater is collected through the rainwater pipe and stored to the high-level water tank. After pressurization of the flushing water pump, the solar photovoltaic panels and the factory road green space are flushed through the flushing pipe.
The recycling and utilization of roof rainwater is realized, saving a lot of water resources and power consumption, and at the same time reducing the head of the flushing water pump, improving power utilization efficiency.
Smart Images
Figure CN119933248A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of gravity energy storage, and in particular to a gravity energy storage tower rainwater recycling system and a recycling method thereof. Background Art
[0002] The gravity energy storage project is centered on the gravity energy storage tower, and the roof of the gravity energy storage tower is generally covered with solar photovoltaic panels according to the green building design requirements, which needs to be cleaned regularly. Taking the Rudong gravity energy storage project as an example, the energy storage tower building height of this project is 148m, and the roof area of the energy storage tower is about 13,500m 2 The factory roads and green areas cover an area of about 21,000 m 2 , according to 2L / (m 2 ▪ times) water quota calculation, the water required for washing solar photovoltaic panels and factory roads and green spaces is 69m 3 .
[0003] Therefore, the gravity energy storage project has the following main problems during operation: 1) The roof area of the gravity energy storage tower is large, and the roof of the gravity energy storage tower is covered with solar photovoltaic panels, which need to be cleaned regularly; if tap water is used for flushing, a large amount of water will be consumed every year; 2) The building height of the gravity energy storage tower is close to 150m. If the flushing water is pressurized by a low-level water pump to supply water to the roof for flushing, the water pump head will be very high, which will cause excessive power consumption and waste; 3) The plant area of the gravity energy storage project is very large, and a lot of water is used for watering roads and green spaces every year; if tap water is used for flushing, a lot of water will be consumed every year.
[0004] The gravity energy storage tower is tall and has a large roof area, so more roof rainwater can be recycled. If the roof rainwater can be recycled, a lot of flushing water will be saved every year. Therefore, how to set up a rainwater recycling system in the gravity energy storage tower has become a problem that needs to be solved urgently. Summary of the invention
[0005] The technical problem to be solved by the present invention is to provide a gravity energy storage tower rainwater recycling system and a recycling method thereof. By setting a high-level water tank and a flushing water pump in the high-level area of the gravity energy storage tower, and setting a low-level water tank and a reuse water pump in the factory area, the roof rainwater of the gravity energy storage tower can be recycled and used for flushing the solar photovoltaic panels on the roof of the gravity energy storage tower and the factory roads and green spaces, thereby saving a large amount of water resources and power consumption.
[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions: a gravity energy storage tower rainwater recycling system of the present invention includes a gravity energy storage tower and a solar photovoltaic panel arranged on its roof; its innovation lies in: it also includes a waste water tank, a rainwater pipe I, a high-level water tank, a connecting pipe, a flushing pipe, a flushing water pump and a filter; in the high-level area of the gravity energy storage tower, a waste water tank and a high-level water tank are arranged at intervals along the left and right sides in the horizontal direction, and the outlet of the waste water tank is connected to the inlet of the high-level water tank through a connecting pipe; directly above the waste water tank, a plurality of water tanks along the gravity energy storage tower are evenly spaced and arranged in parallel. A vertically arranged rainwater pipe I, each of which has its lower end connected to the inlet of the waste water tank, and its upper end extends upward to the roof of the gravity energy storage tower, and then collects rainwater on the roof into the waste water tank for initial waste flow, and then stores it in the high-level water tank; the outlet of the high-level water tank is connected to one end of the flushing pipe through a flushing water pump and a filter in sequence, and the other end of the flushing pipe extends vertically upward from the roof of the gravity energy storage tower relative to the right side of the solar photovoltaic panel, and then the water in the high-level water tank is pressurized and filtered to flush the solar photovoltaic panel through the flushing pipe.
[0007] Preferably, the high-position area is located at two-thirds of the vertical building height of the gravity energy storage tower, and the high-position water tank is arranged in a public space position in the high-position area, and it is necessary to ensure that it will not affect the operation of the gravity energy storage tower.
[0008] Preferably, the waste water tank is arranged on the left side relative to the solar photovoltaic panel, and each of the rainwater pipes I is located on the left side of the solar photovoltaic panel, thereby collecting roof rainwater and flushing water after flushing the solar photovoltaic panel into the waste water tank.
[0009] Preferably, the abandoned water tank and the high-level water tank are both assembled stainless steel water tanks, and the heights of the two are the same; the volume ratio of the abandoned water tank to the high-level water tank is 1:4, and the total volume of the two is 25m 3 , thereby meeting the water demand for flushing the solar photovoltaic panels on the roof of the gravity energy storage tower.
[0010] Preferably, it also includes an overflow pipe and a low-level water tank; the low-level water tank is arranged outdoors underground in the factory area and is a reinforced concrete structure with a total volume of 100m 3 , thereby meeting the water demand for primary greening and road sprinkling of the entire factory area; the overflow pipe is arranged on the left side of the abandoned water tank along the vertical direction of the gravity energy storage tower, and its upper end is connected with the overflow port of the abandoned water tank, and its lower end is vertically downwardly connected with the inlet of the low-level water tank, thereby discharging rainwater exceeding the storage volume of the high-level water tank into the low-level water tank through the overflow pipe.
[0011] Preferably, a connecting valve is also provided on the connecting pipe, and the connecting valve is used to control the opening and closing of the connecting pipe.
[0012] Preferably, it also includes a discard facility, a rainwater pipe II, a factory rainwater pipe and a reuse water pump; several of the rainwater pipes II are evenly spaced vertically along the gravity energy storage tower and are arranged in parallel on the right side of the flushing pipe, and their upper ends extend vertically upward to the roof of the gravity energy storage tower, and the lower end of each of the rainwater pipes II extends vertically downward to the outdoors of the factory, and is connected with the inlet of the discard facility arranged outdoors, and the outlet of the discard facility is connected with the inlet of the low-level water tank through the factory rainwater pipe, and the flushing water after flushing the solar photovoltaic panel is collected in the low-level water tank through the rainwater pipe II, the discard facility and the factory rainwater pipe in sequence; the reuse water pump is connected with the outlet of the low-level water tank, and the water stored in the low-level water tank is used for factory greening and road sprinkling through the reuse water pump.
[0013] Preferably, it also includes a sewage pipe, a sewage valve, a water replenishment pipe and a water replenishment valve; the water replenishment pipe is arranged on the left side of the abandoned water tank along the vertical direction of the gravity energy storage tower, and its upper end is connected with the water replenishment port of the high-level water tank, and is respectively arranged without interfering with the overflow pipe and each of the rainwater pipes I; the lower end of the water replenishment pipe extends vertically downward, and is connected with the outdoor water source of the factory area, and is also provided with a water replenishment valve for controlling its on and off, and then the high-level water tank is replenished with water through the water replenishment pipe; the sewage pipe is arranged directly below the abandoned water tank along the vertical direction of the gravity energy storage tower, and its upper end is connected with the outlet of the abandoned water tank, the lower end of the sewage pipe extends vertically downward to the outside of the factory area, and is also provided with a sewage valve for controlling its on and off, and then the rainwater in the abandoned water tank is discharged to the outside of the factory area through the sewage pipe.
[0014] The invention discloses a method for recycling rainwater of a gravity energy storage tower system, which is innovative in that it comprises the following steps: Step 1: When starting to collect rainwater, first open the sewage valve, and close the connecting valve and the water supply valve; at this time, the roof rainwater of the gravity energy storage tower flows into the abandoned water tank through the rainwater pipe I; At the same time, the rainwater on the roof of the gravity energy storage tower flows into the wastewater facility through the rainwater pipe II, and then flows into the low-level water tank through the rainwater pipe in the plant area for storage; Step 2: After 5 minutes of discarding, close the sewage valve and open the connecting valve; at this time, the clean rainwater discarded by the discarding water tank is stored in the high-level water tank; Step 3: As rainwater collection continues, the amount of clean rainwater stored in the high-level water tank continues to increase; when it exceeds its overflow level, the clean rainwater is discharged into the low-level water tank through the overflow pipe; Step 4: When it is necessary to flush the solar photovoltaic panels on the roof of the gravity energy storage tower, first open the sewage valve and close the connecting valve. At this time, water can be pumped from the high-level water tank through the flushing water pump, filtered through the filter, and then sent to the roof through the flushing pipe to flush the solar photovoltaic panels; In this process, the flushing water after washing the solar photovoltaic panels flows into the abandoned water tank through the rainwater pipe I, and then discharged to the outdoors through the sewage pipe; or flows into the abandoned facilities through the rainwater pipe II, and then flows into the low-level water pool through the factory rainwater pipe; Step 5: When it is necessary to water the greening and roads in the factory area, the water in the low-level water pool can be used to water the greening and roads in the factory area through the recycled water pump; Step 6: When there is insufficient clean rainwater in the high-level water tank, open the water supply valve. At this time, water can be supplied to the high-level water tank through the water supply pipe.
[0015] Beneficial effects of the present invention: (1) The present invention can recycle rainwater from the roof of the gravity energy storage tower by arranging a high-level water tank and a flushing water pump in the high-level area of the gravity energy storage tower, and arranging a low-level water tank and a recycling water pump in the factory area, and can use it to flush the solar photovoltaic panels on the roof of the gravity energy storage tower and the factory roads and green spaces, thereby saving a lot of water resources and power consumption; (2) The present invention reduces the head of the flushing water pump and saves power consumption by arranging the flushing water pump in the high-position area. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 It is a structural schematic diagram of a gravity energy storage tower rainwater recycling system of the present invention.
[0018] Among them, 1- gravity energy storage tower; 2- high-level area; 3- solar photovoltaic panel; 4- rainwater pipe I; 5- rainwater pipe II; 6- abandoned flow tank; 7- high-level water tank; 8- flushing water pump; 9- filter; 10- flushing pipe; 11- sewage pipe; 12- overflow pipe; 13- water supply pipe; 14- connecting pipe; 15- sewage valve; 16- connecting valve; 17- water supply valve; 18- low-level water tank; 19- reuse water pump; 20- abandoned flow facility; 21- factory rainwater pipe. DETAILED DESCRIPTION
[0019] The technical solution of the present invention will be clearly and completely described below through specific implementation methods.
[0020] A gravity energy storage tower rainwater recycling system of the present invention comprises a gravity energy storage tower 1 and a solar photovoltaic panel 3 arranged on the roof thereof; the specific structure is as follows Figure 1 As shown, it also includes a waste water tank 6, a rainwater pipe Ⅰ4, a high-level water tank 7, a connecting pipe 14, a flushing pipe 10, a flushing water pump 8 and a filter 9; the waste water tank 6 and the high-level water tank 7 are arranged in the horizontal left and right intervals in the high-level area 2 of the gravity energy storage tower 1, and the outlet of the waste water tank 6 is connected to the inlet of the high-level water tank 7 through the connecting pipe 14, and a connecting valve 16 is also connected on the connecting pipe 14, and the connecting valve 16 is used to control the opening and closing of the connecting pipe 14. Among them, the high-level area 2 is at two-thirds of the vertical building height of the gravity energy storage tower 1, and the high-level water tank 7 is arranged in the public space of the high-level area 2, and it is necessary to ensure that it will not affect the operation of the gravity energy storage tower 1.
[0021] like Figure 1 As shown, the abandoned water tank 6 and the high-level water tank 7 are both assembled stainless steel water tanks, and the heights of the two are the same; the volume ratio of the abandoned water tank 6 to the high-level water tank 7 is 1:4, and the total volume of the two is 25m 3 , thereby meeting the water demand for one flushing of the solar photovoltaic panels 3 on the roof of the gravity energy storage tower 1.
[0022] The present invention also has several rainwater pipes Ⅰ4 evenly spaced and arranged in parallel along the gravity energy storage tower 1 directly above the abandoned water tank 6, such as Figure 1 As shown, the lower end of each rainwater pipe Ⅰ4 is connected to the inlet of the waste water tank 6, and the upper end thereof extends upward to the roof of the gravity energy storage tower 1, and then the rainwater on the roof is collected into the waste water tank 6 for initial waste flow, and then stored in the high-level water tank 7; wherein, the waste water tank 6 is arranged on the left side relative to the solar photovoltaic panel 3, and each rainwater pipe Ⅰ4 is located on the left side of the solar photovoltaic panel 3, and then the rainwater on the roof and the flushing water after flushing the solar photovoltaic panel 3 are collected into the waste water tank 6.
[0023] The outlet of the high-level water tank 7 of the present invention is connected to one end of the flushing pipe 10 through the flushing water pump 8 and the filter 9 in sequence, and the other end of the flushing pipe 10 extends vertically upward from the roof of the gravity energy storage tower 1 relative to the right side of the solar photovoltaic panel 3, and then the water in the high-level water tank 7 is pressurized and filtered to flush the solar photovoltaic panel 3 through the flushing pipe 10; Figure 1 As shown, the low-level water tank 18 is arranged outdoors in the factory area and is a reinforced concrete structure with a total volume of 100m 3, thereby meeting the water demand for primary greening and road sprinkling of the entire factory area; the overflow pipe 12 is vertically arranged on the left side of the abandoned water tank 6 along the gravity energy storage tower 1, and its upper end is connected with the overflow port of the abandoned water tank 6, and its lower end is vertically downwardly connected with the inlet of the low-level water tank 18, thereby discharging rainwater exceeding the storage volume of the high-level water tank 7 into the low-level water tank 18 through the overflow pipe 12.
[0024] like Figure 1 As shown, several rainwater pipes Ⅱ5 are arranged in parallel at uniform intervals along the vertical direction of the gravity energy storage tower 1 on the right side of the flushing pipe 10, and their upper ends extend vertically upward to the roof of the gravity energy storage tower 1, and the lower end of each rainwater pipe Ⅱ5 extends vertically downward to the outdoors of the factory, and is connected with the inlet of the waste flow facility 20 arranged outdoors, and the outlet of the waste flow facility 20 is connected with the inlet of the low-level water tank 18 through the factory rainwater pipe 21, and the flushing water after flushing the solar photovoltaic panel 3 is collected in the low-level water tank 18 through the rainwater pipe Ⅱ5, the waste flow facility 20 and the factory rainwater pipe 21 in turn; the reuse water pump 19 is connected with the outlet of the low-level water tank 18, and the water stored in the low-level water tank 18 is used for factory greening and road sprinkling through the reuse water pump 19.
[0025] like Figure 1 As shown, the water supply pipe 13 is arranged on the left side of the abandoned water tank 6 along the vertical direction of the gravity energy storage tower 1, and its upper end is connected with the water supply port of the high-level water tank 7, and is respectively arranged without interfering with the overflow pipe 12 and each rainwater pipe Ⅰ4; the lower end of the water supply pipe 13 extends vertically downward, and is connected with the outdoor water source of the factory area, and is also provided with a water supply valve 17 for controlling its on and off, so that the high-level water tank 7 is replenished with water through the water supply pipe 13.
[0026] like Figure 1 As shown, the sewage pipe 11 is vertically arranged directly below the waste water tank 6 along the gravity energy storage tower 1, and its upper end is connected with the outlet of the waste water tank 6, and the lower end of the sewage pipe 11 extends vertically downward to the outside of the factory area, and a sewage valve 15 for controlling its on and off is also provided on it, so that the rainwater in the waste water tank 6 is discharged to the outside of the factory area through the sewage pipe 11.
[0027] The flushing water pump 8, recycling water pump 19, sewage valve 15, connecting valve 16 and water supply valve 17 of the present invention are all electrically connected to the remote controller, so as to facilitate operation and management. This is the prior art and will not be described in detail here.
[0028] A recycling method of a gravity energy storage tower rainwater recycling system of the present invention, such as Figure 1 As shown, the following steps are included: Step 1: When starting to collect rainwater, first open the sewage valve 15, and close the connecting valve 16 and the water supply valve 17; at this time, the roof rainwater of the gravity energy storage tower 1 flows into the abandoned water tank 6 through the rainwater pipe Ⅰ4; At the same time, the rainwater on the roof of the gravity energy storage tower 1 flows into the abandonment facility 20 through the rainwater pipe II5, and then flows into the low-level water tank 18 through the factory area rainwater pipe 21 for storage.
[0029] Step 2: After 5 minutes of discarding, the sewage valve 15 is closed and the connecting valve 16 is opened; at this time, the clean rainwater discarded by the discarding water tank 6 is stored in the high-level water tank 7.
[0030] Step 3: As rainwater collection continues, the amount of clean rainwater stored in the high-level water tank 7 continues to increase; when the overflow level is exceeded, the clean rainwater is discharged into the low-level water tank 18 through the overflow pipe 12.
[0031] Step 4: When it is necessary to flush the solar photovoltaic panel 3 on the roof of the gravity energy storage tower 1, first open the drain valve 15 and close the connecting valve 16. At this time, water can be pumped from the high-level water tank 7 through the flushing water pump 8, filtered through the filter 9, and then sent to the roof through the flushing pipe 10, thereby flushing the solar photovoltaic panel 3; During this process, the flushing water after flushing the solar photovoltaic panel 3 flows into the abandoned water tank 6 through the rainwater pipe Ⅰ4, and then is discharged to the outdoors through the sewage pipe 11; or flows into the abandoned facility through the rainwater pipe Ⅱ5, and then flows into the low-level water pool 18 through the factory rainwater pipe 21.
[0032] Step 5: When it is necessary to water the greening and roads in the factory area, the water in the low-level water tank 18 can be used to water the greening and roads in the factory area through the recycled water pump 19.
[0033] Step 6: When the clean rainwater in the high-level water tank 7 is insufficient, the water replenishment valve 17 is opened, and water can be replenished to the high-level water tank 7 through the water replenishment pipe 13.
[0034] Beneficial effects of the present invention: (1) The present invention can recycle rainwater from the roof of the gravity energy storage tower 1 by arranging a high-level water tank 7 and a flushing water pump 8 in the high-level area 2 of the gravity energy storage tower 1, and arranging a low-level water tank 18 and a recycling water pump 19 in the factory area, and can use the rainwater for flushing the solar photovoltaic panels 3 on the roof of the gravity energy storage tower 1 and the roads and green spaces in the factory area, thereby saving a lot of water resources and power consumption; (2) The present invention reduces the head of the flushing water pump 8 and saves power consumption by arranging the flushing water pump 8 in the high-level area 2.
[0035] The embodiments described above are merely descriptions of preferred implementation modes of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering technicians in the field should fall within the protection scope of the present invention. The technical contents for which protection is sought in the present invention have been fully recorded in the technical requirements.
Claims
1. A gravity energy storage tower rainwater recycling system, comprising a gravity energy storage tower and a solar photovoltaic panel arranged on the roof thereof; characterized in that: It also includes a discarded water tank, a rainwater pipe I, a high-level water tank, a connecting pipe, a flushing pipe, a flushing water pump and a filter; in the high-level area of the gravity energy storage tower, a discarded water tank and a high-level water tank are arranged at intervals on the left and right sides horizontally, and the outlet of the discarded water tank is connected with the inlet of the high-level water tank through a connecting pipe; directly above the discarded water tank, there are also several rainwater pipes I arranged vertically along the gravity energy storage tower evenly spaced and parallel, the lower end of each of the rainwater pipes I is connected with the inlet of the discarded water tank, and the upper ends thereof are extended upward to the roof of the gravity energy storage tower, and then the rainwater on the roof is collected into the discarded water tank for initial discard, and then stored in the high-level water tank; the outlet of the high-level water tank is connected with one end of the flushing pipe in turn through a flushing water pump and a filter, and the other end of the flushing pipe extends vertically upward from the roof of the gravity energy storage tower relative to the right side of the solar photovoltaic panel, and then the water in the high-level water tank is pressurized and filtered to flush the solar photovoltaic panel through the flushing pipe.
2. A gravity energy storage tower rainwater recycling system according to claim 1, characterized in that: The high-position area is located at two-thirds of the vertical building height of the gravity energy storage tower, and the high-position water tank is arranged in a public space position in the high-position area, and it is necessary to ensure that it will not affect the operation of the gravity energy storage tower.
3. A gravity energy storage tower rainwater recycling system according to claim 2, characterized in that: The abandoned water tank is arranged on the left side relative to the solar photovoltaic panel, and each of the rainwater pipes I is located on the left side of the solar photovoltaic panel, thereby collecting roof rainwater and flushing water after flushing the solar photovoltaic panel into the abandoned water tank.
4. A gravity energy storage tower rainwater recycling system according to claim 1, characterized in that: The abandoned water tank and the high-level water tank are both assembled stainless steel water tanks, and the heights of the two are the same; the volume ratio of the abandoned water tank to the high-level water tank is 1:4, and the total volume of the two is 25m 3 , thereby meeting the water demand for flushing the solar photovoltaic panels on the roof of the gravity energy storage tower.
5. The gravity energy storage tower rainwater recycling system according to claim 3 is characterized in that: It also includes an overflow pipe and a low-level water tank; the low-level water tank is arranged outdoors underground in the factory area and is a reinforced concrete structure with a total volume of 100m 3 , thereby meeting the water demand for primary greening and road sprinkling of the entire factory area; the overflow pipe is arranged on the left side of the abandoned water tank along the vertical direction of the gravity energy storage tower, and its upper end is connected with the overflow port of the abandoned water tank, and its lower end is vertically downwardly connected with the inlet of the low-level water tank, thereby discharging rainwater exceeding the storage volume of the high-level water tank into the low-level water tank through the overflow pipe.
6. A gravity energy storage tower rainwater recycling system according to claim 1, characterized in that: A connecting valve is also provided on the connecting pipeline, and the connecting valve is used to control the opening and closing of the connecting pipeline.
7. A gravity energy storage tower rainwater recycling system according to claim 5, characterized in that: It also includes a discard facility, a rainwater pipe II, a plant rainwater pipe and a reuse water pump; several of the rainwater pipes II are evenly spaced vertically along the gravity energy storage tower and are arranged in parallel on the right side of the flushing pipe, and their upper ends extend vertically upward to the roof of the gravity energy storage tower, and the lower end of each of the rainwater pipes II extends vertically downward to the outdoors of the plant, and is connected with the inlet of the discard facility arranged outdoors, and the outlet of the discard facility is connected with the inlet of the low-level water tank through the plant rainwater pipe, and the flushing water after flushing the solar photovoltaic panel is collected in the low-level water tank through the rainwater pipe II, the discard facility and the plant rainwater pipe in turn; the reuse water pump is connected with the outlet of the low-level water tank, and the water stored in the low-level water tank is used for plant greening and road sprinkling through the reuse water pump.
8. A gravity energy storage tower rainwater recycling system according to claim 7, characterized in that: It also includes a sewage pipe, a sewage valve, a water replenishment pipe and a water replenishment valve; the water replenishment pipe is arranged on the left side of the abandoned water tank along the vertical direction of the gravity energy storage tower, and its upper end is connected with the water replenishment port of the high-level water tank, and is respectively arranged with the overflow pipe and each of the rainwater pipes I without interfering with each other; the lower end of the water replenishment pipe extends vertically downward, and is connected with the outdoor water source of the factory area, and is also provided with a water replenishment valve for controlling its on and off, and then the high-level water tank is replenished with water through the water replenishment pipe; the sewage pipe is arranged directly below the abandoned water tank along the vertical direction of the gravity energy storage tower, and its upper end is connected with the outlet of the abandoned water tank, the lower end of the sewage pipe extends vertically downward to the outside of the factory area, and is also provided with a sewage valve for controlling its on and off, and then the rainwater in the abandoned water tank is discharged to the outside of the factory area through the sewage pipe.
9. The recycling method of a gravity energy storage tower rainwater recycling system according to claim 8, characterized in that The following steps are involved: Step 1: When starting to collect rainwater, first open the sewage valve, and close the connecting valve and the water supply valve; at this time, the roof rainwater of the gravity energy storage tower flows into the abandoned water tank through the rainwater pipe I; At the same time, the rainwater on the roof of the gravity energy storage tower flows into the wastewater facility through the rainwater pipe II, and then flows into the low-level water tank through the rainwater pipe in the factory area for storage; Step 2: After 5 minutes of discarding, close the sewage valve and open the connecting valve; at this time, the clean rainwater discarded by the discarding water tank is stored in the high-level water tank; Step 3: As rainwater collection continues, the amount of clean rainwater stored in the high-level water tank continues to increase; when it exceeds its overflow level, the clean rainwater is discharged into the low-level water tank through the overflow pipe; Step 4: When it is necessary to flush the solar photovoltaic panels on the roof of the gravity energy storage tower, first open the sewage valve and close the connecting valve. At this time, water can be pumped from the high-level water tank through the flushing water pump, filtered through the filter, and then sent to the roof through the flushing pipe to flush the solar photovoltaic panels; In this process, the flushing water after washing the solar photovoltaic panels flows into the abandoned water tank through the rainwater pipe I, and then discharged to the outdoors through the sewage pipe; or flows into the abandoned facilities through the rainwater pipe II, and then flows into the low-level water pool through the factory rainwater pipe; Step 5: When it is necessary to water the greening and roads in the factory area, the water in the low-level water pool can be used to water the greening and roads in the factory area through the recycled water pump; Step 6: When there is insufficient clean rainwater in the high-level water tank, open the water supply valve. At this time, water can be supplied to the high-level water tank through the water supply pipe.