A recharge bin

Abstract

The present invention relates to the technical field of groundwater treatment, and provides a recharge bin, which includes a filtering and exhaust mechanism, a secondary filtering mechanism, an aeration mechanism and a partition baffle. The filtering and exhaust mechanism is arranged on the top of the recharge tank body, and water enters the recharge tank body after passing through the filtering and exhaust mechanism. The filtering and exhaust mechanism is used for filtering water and exhausting air from the water. The secondary filtering mechanism is fixedly arranged in the recharge tank body and is used for filtering the water entering the recharge tank body. The aeration mechanism is fixedly arranged in the recharge tank body, is arranged below the secondary filtering mechanism, and is used for inflating the water. The partition baffle is fixedly connected in the recharge tank body and is arranged between the secondary filtering mechanism and the aeration mechanism. Through the above technical solution, the problem in the prior art that the existing recharge bin may affect the water filtering effect of the recharge bin when inflating the water is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of groundwater treatment, and in particular to a recharge tank. Background Art

[0002] A recharge tank is a facility used for groundwater recharge, usually used for purposes such as controlling groundwater levels, preventing ground subsidence, and improving groundwater quality. The recharge tank can be implemented through recharge wells, recharge devices, etc., to re-inject surface water or treated water into the ground to replenish groundwater reserves or improve groundwater quality. More importantly, when recharging water, the recharge tank can treat the water and optimize the water quality of the recharge water source. By using water quality treatment technology, the types of recharge water sources can be increased, and the quality of recharge water can be optimized. For groundwater with excessively high salt content or other harmful substances, the groundwater quality can be gradually improved by recharging high-quality water. In the process of utilizing geothermal resources, the recharge tank can re-inject used geothermal water into the ground to achieve sustainable utilization of geothermal resources.

[0003] After daily use of groundwater, the amount of groundwater decreases. During recharge, clean water is injected into the groundwater through a water pump to raise the groundwater level. The traditional way of recharge requires equipment matched with the recharge tank to filter the water. After the water is filtered, the dissolved oxygen content in the water needs to be increased to promote the growth and metabolism of aerobic microorganisms in the water, accelerate the decomposition and degradation of ammonia nitrogen and nitrates in sewage, and use an aeration device to inject gas into the water to increase the dissolved oxygen content of the water. However, in the existing recharge tank, when a large amount of gas is introduced into the water, the filtration effect of the water may be affected due to the large amount of gas in the water, and the efficiency of the recharge water in the recharge tank lane recharge well is affected. Therefore, a recharge tank is needed that can effectively increase the dissolved oxygen content in the water without affecting the recharge efficiency of the recharge tank and the filtration effect of the water. Summary of the invention

[0004] The present invention provides a recharging bin, which solves the problem in the prior art that the filtering effect of the recharging bin on water may be affected when aerating water in the existing recharging bin.

[0005] The technical solution of the present invention is as follows:

[0006] A recharge bin, comprising a recharge tank body, wherein feet and lifting lugs are arranged on the recharge tank body, the feet are fixedly connected to the lower part of the recharge tank body, the lifting lugs are fixedly connected to the upper part of the recharge tank body, and further comprising a filtering and exhaust mechanism, a secondary filtering mechanism, an aeration mechanism and a partition baffle. The filtering and exhaust mechanism is arranged on the top of the recharge tank body, and water passes through the filtering and exhaust mechanism and then enters the recharge tank body. The filtering and exhaust mechanism is used for filtering and exhausting water. The secondary filtering mechanism is fixedly arranged in the recharge tank body and is used for filtering the water entering the recharge tank body. The aeration mechanism is fixedly arranged in the recharge tank body, is arranged below the secondary filtering mechanism, and is used for inflating the water. The partition baffle is fixedly connected in the recharge tank body and is arranged between the secondary filtering mechanism and the aeration mechanism.

[0007] The recharge tank body is provided with an upper part of the tank body, a lower part of the tank body, an inlet and an outlet for liquid. An inlet for liquid is opened on the upper part of the tank body, and the filtering and exhaust mechanism is fixedly connected to the inlet for liquid. The secondary filtering mechanism is arranged in the upper part of the tank body. The lower part of the tank body is arranged below the upper part of the tank body. The partition baffle and the aeration mechanism are both arranged in the lower part of the tank body. The partition baffle is arranged on one side of the lower part of the tank body close to the upper part of the tank body. Inlets are opened on both the upper part of the tank body and the lower part of the tank body, and the outlet for liquid is opened at the bottom of the lower part of the tank body.

[0008] The filtering and exhaust mechanism comprises a conical cylinder, a primary filtering component and an exhaust valve I. The conical cylinder is fixedly connected to the inlet for liquid. The primary filtering component is arranged on the side of the conical cylinder and is used for filtering water for the first time. The exhaust valve I is fixedly arranged on the top of the conical cylinder and is arranged at the center of the conical cylinder. The primary filtering component comprises a water delivery pipe, a filtering barrel, a replacement port and a replacement plug. The water delivery pipe is connected to the conical cylinder and is fixedly connected to the side of the conical cylinder. The water delivery pipe is connected to an external water pipe. The filtering barrel is detachably arranged in the water delivery pipe. The side of the filtering barrel is located in the conical cylinder. The replacement port is arranged on the water delivery pipe, and the replacement plug is detachably installed in the replacement port. The filtering barrel can be disassembled by removing the replacement plug.

[0009] The secondary filtering mechanism comprises a fixing plate, a filtering tank body and a filter material layer. The fixing plate is fixedly connected in the upper part of the tank body. The filtering tank body is detachably connected to the fixing plate. A plurality of filter material layers are arranged, and the plurality of filter material layers are detachably connected in the filtering tank body.

[0010] The partition baffle is arranged in a conical shape, and a water pipe is arranged in the center of the partition baffle. The water pipe protrudes upward from the partition baffle toward the upper part of the tank body. One end of the water pipe extending into the lower part of the tank body is fixedly connected with a water distribution pipe. A plurality of through holes are formed in the side of the water distribution pipe. An exhaust pipe is fixedly connected to the partition baffle. The exhaust pipe is arranged above the partition baffle and communicates with the side of the water pipe. One end of the exhaust pipe far away from the partition baffle penetrates through the upper part of the tank body, and an exhaust valve II is arranged at one end of the exhaust pipe protruding from the upper part of the tank body.

[0011] The aeration mechanism includes an aeration plate, water through holes and an air injection assembly. The aeration plate is fixedly connected in the lower part of the tank body and is arranged between the partition baffle and the liquid outlet. A plurality of water through holes are provided, and the plurality of water through holes are formed in the aeration plate. The air injection assembly is arranged on the aeration plate and is used for injecting air into the water. The air injection assembly includes a water cap, an air injection port, an air vent ring and an air injection pipe. The water cap is arranged in a ring shape, and a plurality of water caps are provided. The plurality of water caps are respectively fixedly connected at the water through holes. A plurality of air injection ports are provided, and the plurality of air injection ports are circumferentially formed on the water cap. A plurality of air vent rings are provided, and the plurality of air vent rings are respectively communicated with the plurality of water caps. The air injection pipe is communicated with the plurality of air vent rings, and the air injection pipe penetrates through the lower part of the tank body.

[0012] A first backwash inlet and a first backwash outlet are formed in the upper part of the tank body. The first backwash inlet is arranged below the first backwash outlet. A second backwash inlet and a second backwash outlet are formed in the lower part of the tank body. The second backwash inlet is arranged below the second backwash outlet.

[0013] The working principle and beneficial effects of the present invention are as follows:

[0014] 1. In the present invention, by arranging a conical cylinder and a filter barrel, water is introduced into the conical cylinder through a water delivery pipe from the outside. The water impacts in the filter barrel, and the water enters the conical cylinder through the filter barrel. Large-particle impurities are filtered by the filter barrel. Since the filter barrel is arranged on the side of the conical cylinder, after the water passes through the filter barrel, by virtue of the potential energy of movement, the water rotates in the conical cylinder and forms a vortex to enter the upper part of the tank body through the liquid inlet. At this time, the gas in the water will be separated from the water when the water rotates along the inner wall of the conical cylinder and is located in the center of the conical cylinder. Since the water is continuously fed into the backflow tank body, the internal pressure gradually increases. When the air pressure is relatively high, the gas can leave the conical cylinder through the exhaust valve I. It is necessary to reach a certain pressure for the gas to leave to ensure that there is gas in the conical barrel and the water will not contact the exhaust valve I;

[0015] 2. In the present invention, by providing a partition baffle, after the water is filtered, it flows onto the partition baffle. The water moves downward in the tank body through the water pipe with a central protrusion, and enters the lower part of the tank body through the split pipe. When the aeration mechanism injects gas into the water, the excess bubbles will float to the center of the partition baffle around the water pipe. And since the through holes of the sub-water pipes are arranged on the side, it can prevent the bubbles from entering the upper part of the tank body through the sub-water pipes. The gas gathered in the center of the partition baffle can be discharged through the exhaust pipe and the second exhaust valve;

[0016] 3. In the present invention, by providing a water cap and a water through hole, when the water passes through the water through hole, it passes through the water cap. The air injection holes on the water cap inject gas into the water, making the water with gas move towards the liquid outlet. When the water is filtered, in order to improve the filtration effect and protect the filtration equipment, the gas in it is separated. Then, in order to increase the dissolved oxygen content in the water, gas is injected, and the gas injection does not affect the filtration;

[0017] 4. In the present invention, by providing a filtration and exhaust mechanism, the water can be preliminarily filtered and the gas in the water can be removed while maintaining the water flow rate. By providing an aeration mechanism, the water can be fully injected with gas. The gas needs to pass through the water through hole, but it must come into contact with the bubbles when passing through the water through hole. By providing a partition baffle, it can avoid the mutual influence between the upper part of the tank body for filtration and the lower part of the tank body for gas injection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

[0019] Figure 1 is the overall structural schematic diagram of the present invention;

[0020] Figure 2 is the structural schematic diagram of another perspective of the overall of the present invention;

[0021] Figure 3 is the internal sectional structural schematic diagram of the conical cylinder of the present invention;

[0022] Figure 4 is the partial sectional structural schematic diagram of the upper part of the tank body of the present invention;

[0023] Figure 5 is the partial sectional structural schematic diagram of the lower part of the tank body of the present invention;

[0024] Figure 6 is the partial structural schematic diagram of the aeration mechanism of the present invention;

[0025] Figure 7 is the sectional structural schematic diagram of the backflow tank body of the present invention.

[0026] In the figure: 1, support feet; 2, lifting lugs; 3, partition baffle; 4, upper part of the tank body; 5, liquid inlet; 6, lower part of the tank body; 7, inlet; 8, liquid outlet; 9, conical cylinder; 10, exhaust valve I; 11, water supply pipe; 12, filter barrel; 13, replacement port; 14, replacement plug; 15, fixing plate; 16, filter tank body; 17, filter media layer; 18, water pipe; 19, water distribution pipe; 20, exhaust pipe; 21, exhaust valve II; 22, aeration plate; 23, water through hole; 24, water cap; 25, gas injection port; 26, ventilation ring; 27, gas injection pipe; 28, backwash inlet I; 29, backwash outlet I; 30, backwash inlet II; 31, backwash outlet II. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. Embodiment

[0028] As Figures 1 to 7 shown, this embodiment provides a recharge bin, including a recharge tank body. Support feet 1 and lifting lugs 2 are arranged on the recharge tank body. The support feet 1 are fixedly connected to the lower part of the recharge tank body, and the lifting lugs 2 are fixedly connected to the upper part of the recharge tank body. It further includes a filter and exhaust mechanism, a secondary filter mechanism, an aeration mechanism and a partition baffle 3. The filter and exhaust mechanism is arranged on the top of the recharge tank body, and water is introduced into the recharge tank body after passing through the filter and exhaust mechanism. The filter and exhaust mechanism is used to filter water and exhaust air. The secondary filter mechanism is fixedly arranged in the recharge tank body and is used to filter the water entering the recharge tank body. The aeration mechanism is fixedly arranged in the recharge tank body and is arranged below the secondary filter mechanism. The aeration mechanism is used to inflate the water. The partition baffle 3 is fixedly connected in the recharge tank body and is arranged between the secondary filter mechanism and the aeration mechanism. The interior of the recharge tank body is divided into two parts by the partition baffle 3. Water is filtered in the upper part of the recharge tank body, and air is injected into the water in the lower part of the recharge tank body. Larger impurities in the water are filtered in the filter and exhaust mechanism, and finer impurities are filtered out when passing through the secondary filter mechanism, so that the clean water is discharged after being injected with air by the aeration mechanism.

[0029] As Figures 1 to 5As shown in the figure, the recharge tank is provided with an upper tank body 4, a lower tank body 6, an inlet 7 and an outlet 8. An inlet 5 is opened on the upper tank body 4. The filtering and exhaust mechanism is fixedly connected to the inlet 5. The secondary filtering mechanism is arranged in the upper tank body 4. The lower tank body 6 is arranged below the upper tank body 4. The partition baffle 3 and the aeration mechanism are both arranged in the lower tank body 6. The partition baffle 3 is arranged on one side of the lower tank body 6 close to the upper tank body 4. Inlets 7 are opened on both the upper tank body 4 and the lower tank body 6. The outlet 8 is opened at the bottom of the lower tank body 6. The inlet 7 is relatively large. When it is necessary to clean and maintain the interior of the recharge tank, it can enter through the inlet 7. The upper tank body 4 and the lower tank body 6 are integrated, but the interior is divided into two parts, and the two parts are separated by the partition baffle 3. Through the separation of the partition baffle 3, when the water in the upper tank body 4 moves towards the lower tank body 6, the gas between the lower tank body 6 and the upper tank body 4 will not flow. Through the inlet 7, the staff enters the recharge tank to replace the filter material layer 17 in the filter tank 16, and can also maintain and clean other positions in the recharge tank.

[0030] As Figures 1 to 4 shown, the filtering and exhaust mechanism includes a conical cylinder 9, a primary filtering component and an exhaust valve I 10. The conical cylinder 9 is fixedly connected to the inlet 5. The primary filtering component is arranged on the side of the conical cylinder 9. The primary filtering component is used for the first filtration of water. The exhaust valve I 10 is fixedly arranged on the top of the conical cylinder 9. The exhaust valve I 10 is arranged in the center of the conical cylinder 9. The primary filtering component includes a water delivery pipe 11, a filtering barrel 12, a replacement port 13 and a replacement plug 14. The water delivery pipe 11 is connected to the conical cylinder 9. The water delivery pipe 11 is fixedly connected to the side of the conical cylinder 9. The water delivery pipe 11 is connected to the external water pipe. The filtering barrel 12 is detachably arranged in the water delivery pipe 11. The side of the filtering barrel 12 is located in the conical cylinder 9. The replacement port 13 is arranged on the water delivery pipe 11. The replacement plug 14 is detachably installed in the replacement port 13. After the replacement plug 14 is removed, the filtering barrel 12 can be removed. Water is introduced into the conical cylinder 9 through the water delivery pipe 11 from the outside. The water impacts in the filtering barrel 12. The water enters the conical cylinder 9 through the filtering barrel 12. Large-particle impurities are filtered by the filtering barrel 12. Since the filtering barrel 12 is arranged on the side of the conical cylinder 9, after the water passes through the filtering barrel 12, by virtue of the potential energy of movement, the water rotates in the conical cylinder 9 and forms a vortex to enter the upper tank body 4 through the inlet 5. At this time, the gas in the water will be separated from the water when the water rotates along the inner wall of the conical cylinder 9 and is located in the center of the conical cylinder 9. Since water is continuously fed into the recharge tank, the internal pressure gradually increases. When the air pressure is relatively high, the gas can leave the conical cylinder 9 through the exhaust valve I 10. It is necessary to reach a certain pressure for the gas to leave to ensure that there is gas in the conical barrel and the water will not contact the exhaust valve I 10.

[0031] As Figure 4 and Figure 7As shown, the secondary filtration mechanism includes a fixed plate 15, a filtration tank body 16, and a filter media layer 17. The fixed plate 15 is fixedly connected to the upper part 4 of the tank body. The filtration tank body 16 is fixedly connected to the fixed plate 15. A detachable through-hole plate is provided at the bottom of the filtration tank body 16. After the through-hole plate is disassembled, it is convenient to replace the internal filter media layer 17. There are multiple filter media layers 17, and the multiple filter media layers 17 are detachably connected in the filtration tank body 16. Natural material filter media is provided in the filter media layer 17, and water is filtered through the filter media layer. The water enters the upper part 4 of the tank body after passing through the conical cylinder 9, and the water is filtered through the filter media layer 17. The filtered water flows downward and flows downward through the water pipe 18. The natural material filter media uses natural material filter media such as activated carbon and quartz sand. Multiple filter media can be used in combination, and different combinations can play different roles. On the one hand, it ensures the cleanliness of the water recharged into the ground. On the other hand, using natural filter media can imitate the natural filtration method of water underground, making it more suitable for recharging into the ground.

[0032] As Figures 4 to 7 shown, the partition baffle 3 is set to be conical. A water pipe 18 is provided in the center of the partition baffle 3. The water pipe 18 bulges upward toward the upper part 4 of the tank body on the partition baffle 3. A water distribution pipe 19 is fixedly connected to the end of the water pipe 18 extending into the lower part 6 of the tank body. A plurality of through-holes are opened on the side of the water distribution pipe 19. An exhaust pipe 20 is fixedly connected to the partition baffle 3. The exhaust pipe 20 is arranged above the partition baffle 3. The exhaust pipe 20 is communicated with the side of the water pipe 18. One end of the exhaust pipe 20 far from the partition baffle 3 penetrates through the upper part 4 of the tank body. An exhaust valve two 21 is provided at the end of the exhaust pipe 20 extending out of the upper part 4 of the tank body. After the water is filtered, it flows to the partition baffle 3. The water moves toward the lower part 6 of the tank body through the centrally protruding water pipe 18 and enters the lower part 6 of the tank body through the split pipe. When the aeration mechanism injects gas into the water, the excess bubbles will float to the center of the partition baffle 3 around the water pipe 18. And because the through-holes of the water distribution pipe 19 are arranged on the side, it can prevent the bubbles from entering the upper part 4 of the tank body through the water distribution pipe 19. The gas gathered in the center of the partition baffle 3 can be discharged through the exhaust pipe 20 and the exhaust valve two 21.

[0033] As Figures 5 to 7As shown in the figure, the aeration mechanism includes an aeration plate 22, water through holes 23, and an air injection assembly. The aeration plate 22 is fixedly connected to the lower part 6 of the tank body. The aeration plate 22 is arranged between the partition baffle 3 and the liquid outlet 8. There are multiple water through holes 23, and the multiple water through holes 23 are opened on the aeration plate 22. The air injection assembly is arranged on the aeration plate 22 and is used to inject air into the water. The air injection assembly includes a water cap 24, an air injection port 25, an air vent ring 26, and an air injection pipe 27. The water cap 24 is arranged in a ring shape, and there are multiple water caps 24. The multiple water caps 24 are respectively fixedly connected to the water through holes 23. There are multiple air injection ports 25, and the multiple air injection ports 25 are circumferentially opened on the water cap 24. There are multiple air vent rings 26, and the multiple air vent rings 26 are respectively communicated with the multiple water caps 24. The air injection pipe 27 is communicated with the multiple air vent rings 26. The air injection pipe 27 penetrates through the lower part 6 of the tank body. The gas is sent into the air vent ring 26 through the air injection pipe 27, and the gas is sent into the water cap 24 through the air vent ring 26. When the water passes through the water through hole 23, it passes through the water cap 24, and the air injection holes on the water cap 24 inject air into the water, so that the water with gas moves towards the liquid outlet 8, so that when the water is filtered, in order to improve the filtering effect and protect the filtering equipment, the gas in it is separated, and then in order to increase the dissolved oxygen content in the water, air is injected, and at the same time, the air injection does not affect the filtering.

[0034] As Figure 2 shown, a first backwash inlet 28 and a first backwash outlet 29 are opened on the upper part 4 of the tank body. The first backwash inlet 28 is arranged below the first backwash outlet 29. A second backwash inlet 30 and a second backwash outlet 31 are opened on the lower part 6 of the tank body. The second backwash inlet 30 is arranged below the second backwash outlet 31. A backwash device is arranged in the supporting equipment of the recharge bin. The water outlet pipe on the backwash device is connected to the first backwash inlet and the second backwash inlet, and the water return pipe on the backwash device is connected to the first backwash outlet 29 and the second backwash outlet 31. When the recharge bin has been used for a long time and needs to be cleaned inside, the backwash device first passes water into the lower part 6 of the tank body through the second backwash inlet 30. The water reversely passes through the water through holes 23 to clean the aeration plate 22 and the water through holes. The water flows upward in the lower part of the tank body and flows out through the second backwash outlet 31. When the cleaning of the aeration plate 22 and the water through holes 23 is completed, the lower part of the tank body is filled with water. Then the backwash device passes water into the upper part 4 of the tank body through the first backwash inlet 28 to backwash and clean the filter material layer 17. The water passes through the filter material layer 17 and then flows out of the upper part 4 of the tank body through the first backwash outlet 29. Since there is water in the lower part of the tank body, the water for backwashing the filter material layer 17 will not flow into the lower part 6 of the tank body.

[0035] In actual use, multiple recharge tanks can be connected in series. The liquid outlet 8 on the recharge tank body connected in series is communicated with the water supply pipe 11. By matching the filter media in multiple recharge tank bodies, different functions can be achieved during the water filtration process. During the water quality treatment process, the aerobic nitrification method can be used to remove organic matter in the water, and the anaerobic denitrification process can be carried out by adjusting the subsequent recharge tank bodies connected in series to remove ammonia nitrogen and nitrates in the water.

[0036] In this embodiment, water impacts into the filter barrel 12 through the water supply pipe 11. After being filtered, the water rotates in the conical cylinder 9. The gas in the water is discharged through the exhaust valve 10. The water enters the upper part 4 of the tank body through the liquid inlet 5. After being filtered by the filter media layer 17, the water enters the lower part 6 of the tank body through the through-water pipe 18 and the water distribution pipe 19. The gas injection pipe 27 injects gas into the ventilation ring 26, and the gas is injected into the water cap 24. When the water passes through the water through-hole 23, the gas in the water cap 24 injects gas into the water through the gas injection port 25. The water containing bubbles moves towards the liquid outlet 8 through the water through-hole 23 for recharge. The excess gas flowing out of the gas injection port 25 moves upward, gathers in the center of the partition baffle 3, and is discharged through the exhaust pipe 20 and the exhaust valve 2. Embodiment

[0037] The secondary filtration mechanism and the aeration mechanism can be sequentially arranged from top to bottom in the upper part of the recharge tank body. Then, an exhaust pipe 20 is arranged on the upper side of the upper part of the tank body. The secondary filtration mechanism and the aeration mechanism are sequentially arranged from top to bottom in the lower part of the tank body. The water passing through the upper part 4 of the tank body is filtered and aerated in sequence. The upper part 4 of the tank body and the lower part 6 of the tank body are separated by the partition baffle 3. Different filter media can be set in the filter media layers 17 of the two secondary filtration mechanisms up and down to achieve different sequential filtration effects, so as to perform multiple and targeted filtrations according to the water.

[0038] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A recharging tank, comprising a recharging tank body, wherein the recharging tank body is provided with a support foot (1) and a lifting lug (2), wherein the support foot (1) is fixedly connected to the bottom of the recharging tank body, and the lifting lug (2) is fixedly connected to the top of the recharging tank body, characterized in that: Also includes: A filter exhaust mechanism, which is arranged on the top of the recharging tank body, through which water passes into the recharging tank body, and is used to filter and exhaust water; A secondary filtering mechanism, the secondary filtering mechanism is fixedly arranged in the recharging tank body, and the secondary filtering mechanism is used to filter the water entering the recharging tank body; an aeration mechanism, the aeration mechanism being fixedly disposed in the recharging tank, the aeration mechanism being disposed below the secondary filtering mechanism, and the aeration mechanism being used to aerate the water; A partitioning baffle (3), the partitioning baffle (3) being fixedly connected to the recharging tank body, the partitioning baffle (3) being arranged between the secondary filtering mechanism and the aeration mechanism; The recharging tank is provided with: An upper portion (4) of the tank body, wherein a liquid inlet (5) is provided on the upper portion (4) of the tank body, the filtering and exhausting mechanism is fixedly connected to the liquid inlet (5), and the secondary filtering mechanism is arranged in the upper portion (4) of the tank body; A tank body lower part (6), the tank body lower part (6) being arranged below the tank body upper part (4), the partition baffle (3) and the aeration mechanism being arranged in the tank body lower part (6), the partition baffle (3) being arranged on a side of the tank body lower part (6) close to the tank body upper part (4); The partition baffle (3) is arranged in a conical shape, a water pipe (18) is arranged in the center of the partition baffle (3), the water pipe (18) protrudes on the partition baffle (3) toward the upper part (4) of the tank body, one end of the water pipe (18) extending into the lower part (6) of the tank body is fixedly connected to a water distribution pipe (19), a plurality of through holes are provided on the side of the water distribution pipe (19), an exhaust pipe (20) is fixedly connected to the partition baffle (3), the exhaust pipe (20) is arranged above the partition baffle (3), the exhaust pipe (20) is connected to the side of the water pipe (18), one end of the exhaust pipe (20) away from the partition baffle (3) passes through the upper part (4) of the tank body, and an exhaust valve (21) is provided on the end of the exhaust pipe (20) extending out of the upper part (4) of the tank body; The upper portion (4) of the tank body is provided with a first recoil inlet (28) and a first recoil outlet (29), wherein the first recoil inlet (28) is arranged below the first recoil outlet (29), and the lower portion (6) of the tank body is provided with a second recoil inlet (30) and a second recoil outlet (31), wherein the second recoil inlet (30) is arranged below the second recoil outlet (31).

2. A refilling bin according to claim 1, characterized in that: The recharging tank is also provided with: An inlet (7), the inlet (7) being provided on both the upper portion (4) of the tank body and the lower portion (6) of the tank body; A liquid outlet (8), wherein the liquid outlet (8) is opened at the bottom of the lower part (6) of the tank body.

3. A refilling bin according to claim 2, characterized in that: The filtering and exhausting mechanism comprises: A conical cylinder (9), wherein the conical cylinder (9) is fixedly connected to the liquid inlet (5); A primary filter assembly, the primary filter assembly being arranged on the side of the conical cylinder (9), and the primary filter assembly being used for performing a first filtration on water; An exhaust valve (10) is fixedly arranged on the top of the conical cylinder (9), and the exhaust valve (10) is arranged in the center of the conical cylinder (9).

4. A refilling bin according to claim 3, characterized in that: The primary filter assembly comprises: A water supply pipe (11), the water supply pipe (11) being connected to the conical cylinder (9), the water supply pipe (11) being fixedly connected to the side of the conical cylinder (9), and the water supply pipe (11) being connected to an external water pipe; A filter barrel (12), the filter barrel (12) being detachably arranged in the water supply pipe (11), and the side of the filter barrel (12) being located in the conical cylinder (9); A replacement port (13), the replacement port (13) being arranged on the water supply pipe (11); A replacement plug (14) is provided, wherein the replacement plug (14) is detachably mounted in the replacement port (13), and the replacement plug (14) disassembly port can be used to disassemble the filter barrel (12).

5. A refilling bin according to claim 4, characterized in that: The secondary filtering mechanism comprises: A fixing plate (15), the fixing plate (15) being fixedly connected to the upper portion (4) of the tank body; A filter tank body (16), wherein the filter tank body (16) is detachably connected to the fixing plate (15); A filter material layer (17), wherein a plurality of the filter material layers (17) are provided, and the plurality of filter material layers (17) are detachably connected to the filter tank body (16), and the filter material layer (17) is provided with filter material made of natural material.

6. A refilling bin according to claim 5, characterized in that: The aeration mechanism comprises: an aeration plate (22), the aeration plate (22) being fixedly connected to the lower portion (6) of the tank body, the aeration plate (22) being arranged between the partition baffle (3) and the liquid outlet (8); a water through hole (23), wherein a plurality of the water through holes (23) are provided, and the plurality of the water through holes (23) are opened on the aeration plate (22); An air injection component is arranged on the aeration plate (22), and is used to inject air into water.

7. A refilling bin according to claim 6, characterized in that: The gas injection assembly comprises: A water cap (24), the water cap (24) being arranged in a ring shape, a plurality of the water caps (24) being arranged, and the plurality of water caps (24) being respectively fixedly connected to the water through holes (23); An air injection port (25), wherein a plurality of the air injection ports (25) are provided, and the plurality of air injection ports (25) are circumferentially arranged on the water cap (24); A vent ring (26), wherein a plurality of vent rings (26) are provided, and the plurality of vent rings (26) are respectively connected to the plurality of water caps (24); An air injection pipe (27), the air injection pipe (27) being in communication with the plurality of ventilation rings (26), and the air injection pipe (27) penetrating the lower portion (6) of the tank body.

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