Anaerobic reactor water seal tank

Abstract

This utility model relates to the field of environmental protection technology and discloses a water-sealed tank for an anaerobic reactor. It solves the problem of water level rise caused by biogas carrying moisture, leading to biogas carryover and overflow, in conventional anaerobic reactor water-sealed tanks. The water-sealed tank body consists of an outer tank, an inner tank, and a cover. A water supply pipe and an L-shaped biogas inlet pipe are installed through the top of one side of the outer tank. An vent pipe is installed at the bottom of the outer tank near the water supply pipe. A biogas exhaust pipe communicating with the inner tank is installed through one side of the top of the cover. An overflow bend is installed on the side of the outer tank away from the water supply pipe. A hollow interlayer communicating with the overflow bend is formed between the outer and inner tanks. The bottom of the inner tank is an open structure. A honeycomb plate and a baffle are welded to the bottom of the inner tank. A bent cover is welded to the side of the bottom of the inner tank. This water-sealed tank effectively avoids biogas carryover and overflow, improving safety during use.

Description

Technical Field

[0001] This utility model belongs to the field of environmental protection technology, specifically an anaerobic reactor water seal tank. Background Technology

[0002] During anaerobic digestion, anaerobic reactors produce a large amount of biogas, which is typically discharged through the biogas outlet. However, the biogas outlet of conventional anaerobic reactors carries moisture, causing the liquid level in the connected water seal tank to rise continuously. When the liquid level exceeds the biogas outlet level, it results in water carryover in the biogas, which not only affects the normal collection and utilization of biogas but may also damage downstream equipment, impacting the stable operation of the entire anaerobic digester system.

[0003] The existing water seal tanks have a simple structure and lack effective automatic drainage and biogas overflow prevention designs, making it difficult to solve the problems of biogas carrying water and biogas overflow caused by excessive liquid level. Therefore, there is an urgent need for an improved anaerobic reactor water seal tank to overcome the shortcomings of the existing technology. Summary of the Invention

[0004] In view of the above situation and to overcome the defects of the prior art, this utility model provides an anaerobic reactor water seal tank, which effectively solves the problem of water level rise caused by biogas carrying moisture in conventional anaerobic reactor water seal tanks, which in turn leads to biogas carrying water and biogas overflow.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an anaerobic reactor water seal tank, comprising a water seal tank body, the water seal tank body being composed of an outer tank, an inner tank, and a cover, the cover being installed at the top of the outer tank, the inner tank being located inside the outer tank and installed at the bottom of the cover, a water supply pipe and an L-shaped biogas inlet pipe communicating with the inner tank being provided through the top of one side of the outer tank, the bottom of the outer tank near the water supply pipe being provided with an vent pipe, a biogas exhaust pipe communicating with the inner tank being provided through one side of the top of the cover, an overflow bend being provided on the side of the outer tank away from the water supply pipe, a hollow interlayer communicating with the overflow bend being formed between the outer tank and the inner tank, the bottom of the inner tank being an open structure, a honeycomb plate and a baffle being welded to the bottom of the inner tank, the bottom of the L-shaped biogas inlet pipe extending into the inside of the baffle, and a bent cover being welded to the side of the bottom of the inner tank.

[0006] Preferably, the installation height of the water supply pipe is greater than the installation height of the L-shaped biogas inlet pipe, the installation height of the L-shaped biogas inlet pipe is greater than the installation height of the overflow bend, a valve is installed on the water supply pipe, and a valve is installed on the drain pipe.

[0007] Preferably, the overflow bend is fixedly connected to the outer tank via a bracket, the bracket is welded to the outer surface of the outer tank, and a vent pipe is fixedly installed at the middle position of the bottom end of the overflow bend, with a valve installed on the vent pipe.

[0008] Preferably, an exhaust pipe communicating with the hollow interlayer is provided through the side of the top of the cap, and a connector is fixedly provided at the top of the exhaust pipe. A balloon is provided on the connector, and the air nozzle of the balloon is tied to the connector. The balloon is normally in a contracted state.

[0009] Preferably, the outer tank has a viewing window that is connected to the inner tank through the front, and the installation height of the viewing window is flush with the installation height of the overflow bend.

[0010] Compared with the prior art, the beneficial effects of this utility model are: (1) In operation, by setting up a water seal tank body with a double-layer structure consisting of an outer tank, an inner tank and a cover, and by setting up a hollow interlayer and an overflow bend, excess water can be automatically discharged when the water level is too high, effectively maintaining the liquid level in the tank and avoiding the problem of biogas carrying water due to the liquid level being higher than the outlet. (2) By setting up honeycomb panels and barriers, biogas can be effectively blocked and prevented from flowing down into the outer cylinder, ensuring that biogas will not overflow through the overflow pipe during the overflow process; (3) By setting up a bent cover, the effect of preventing biogas overflow is further enhanced, and the safety and reliability of the water seal tank are improved; (4) By setting up exhaust pipes, connectors and balloons, the situation of biogas leakage can be observed directly. When biogas leakage occurs for some reason, it is easy for staff to discover it in time. (5) By setting up a viewing window, operators can easily observe the liquid level in the tank at any time, and can promptly understand the operating status of the water seal tank, which provides convenience for equipment maintenance and management. Attached Figure Description

[0011] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0012] In the attached diagram: Figure 1 This is a schematic diagram of the water seal tank structure of the anaerobic reactor of this utility model; Figure 2 This is a cross-sectional view of the water seal tank of the anaerobic reactor of this utility model; In the diagram: 1. Water seal tank body; 2. Outer tank; 3. Inner tank; 4. Cover; 5. Water supply pipe; 6. L-shaped biogas inlet pipe; 7. Vent pipe; 8. Biogas exhaust pipe; 9. Overflow bend; 10. Hollow core; 11. Honeycomb panel; 12. Enclosure; 13. Bending cover; 14. Valve 1; 15. Valve 2; 16. Bracket; 17. Vent pipe; 18. Valve 3; 19. Exhaust pipe; 20. Connector; 21. Balloon; 22. Viewing window. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0014] Depend on Figures 1 to 2 This invention discloses a water-sealed tank for an anaerobic reactor, comprising a tank body 1, which consists of an outer tank 2, an inner tank 3, and a cover 4. The cover 4 is installed at the top of the outer tank 2, and the inner tank 3 is located inside the outer tank 2 and installed at the bottom of the cover 4. A water supply pipe 5 and an L-shaped biogas inlet pipe 6, communicating with the inner tank 3, are installed through the top of one side of the outer tank 2. An vent pipe 7 is installed at the bottom of the outer tank 2 near the water supply pipe 5. The top of the cover 4... A biogas exhaust pipe 8 is installed through one side and connected to the inner tank 3. An overflow bend 9 is installed on the side of the outer tank 2 away from the water supply pipe 5. A hollow interlayer 10 is formed between the outer tank 2 and the inner tank 3 and connected to the overflow bend 9. The bottom of the inner tank 3 is an open structure. A honeycomb plate 11 and a enclosure 12 are welded to the bottom of the inner tank 3. The bottom of the L-shaped biogas inlet pipe 6 extends into the interior of the enclosure 12. A bent cover 13 is welded to the side of the bottom of the inner tank 3. Water is supplied to the water seal tank body 1 through the water supply pipe 5, and the water level is level with the overflow bend 9. Biogas enters the inner tank 3 through the L-shaped biogas inlet pipe 6 to achieve water sealing and prevent backfire. Biogas overflows from the water and is discharged through the biogas exhaust pipe 8. When the water level inside the water seal tank body 1 increases due to the water carried by the biogas and rises above the overflow bend 9, the excess water overflows through the overflow bend 9, keeping the liquid level inside the water seal tank body 1 within a suitable range and preventing excess water from being discharged with the biogas through the biogas exhaust pipe 8. The honeycomb panel 11 and the enclosure 12 can block the biogas and prevent it from entering the hollow interlayer 10. The bent cover 13 can further block the biogas, improve the safety of the water seal tank, and prevent biogas leakage. Water is always present in the bottom bend of the overflow bend 9, so even if a small amount of biogas enters the hollow interlayer 10, it will not be discharged through the overflow bend 9. The installation height of the water supply pipe 5 is greater than the installation height of the L-shaped biogas inlet pipe 6. The installation height of the L-shaped biogas inlet pipe 6 is greater than the installation height of the overflow bend pipe 9. A valve 14 is installed on the water supply pipe 5, and a valve 25 is installed on the drain pipe 7, which can control the opening and closing of the water supply pipe 5 and the drain pipe 7. The overflow bend 9 is fixedly connected to the outer tank 2 via the bracket 16. The bracket 16 is welded to the outer surface of the outer tank 2. A vent pipe 17 is fixedly installed at the middle position of the bottom end of the overflow bend 9. A valve 18 is installed on the vent pipe 17, which can drain the water inside the overflow bend 9 during maintenance. The top side of the cap 4 is provided with an exhaust pipe 19 that communicates with the hollow interlayer 10. The top of the exhaust pipe 19 is fixedly provided with a connector 20. A balloon 21 is provided on the connector 20. The air nozzle of the balloon 21 is tied to the connector 20. The balloon 21 is normally in a contracted state. When biogas enters the hollow interlayer 10, it will enter the balloon 21 through the exhaust pipe 19. At this time, the balloon 21 will be filled with biogas and inflate, so that the staff can detect the biogas leak in time and make it easy to repair in time. The outer tank 2 has a viewing window 22 that is connected to the inner tank 3 through the front. The installation height of the viewing window 22 is the same as the installation height of the overflow bend 9, which makes it easy for staff to observe the internal liquid level and keep track of the operating status of the water seal tank.

[0015] In operation, the water-sealed tank features a double-layer structure consisting of an outer tank, an inner tank, and a cap, along with a hollow interlayer and an overflow bend. This design automatically drains excess water when the water level is too high, effectively maintaining the tank's internal liquid level and preventing biogas from carrying water due to the liquid level exceeding the outlet. The honeycomb panel and enclosure effectively block biogas from flowing downwards into the outer cylinder, ensuring that biogas does not overflow through the overflow pipe during overflow. The bent cover further enhances the biogas spill prevention, improving the safety and reliability of the water-sealed tank. The vent pipe, connector, and balloon allow for direct observation of biogas spillage, facilitating timely detection by staff when spillage occurs. A viewing window allows operators to monitor the tank's liquid level at any time, providing convenience for equipment maintenance and management.

Claims

1. A water-sealed tank for an anaerobic reactor, comprising a water-sealed tank body (1), characterized in that: The water seal tank body (1) consists of an outer tank (2), an inner tank (3), and a cover (4). The cover (4) is installed at the top of the outer tank (2). The inner tank (3) is located inside the outer tank (2) and installed at the bottom of the cover (4). A water supply pipe (5) and an L-shaped biogas inlet pipe (6) communicating with the inner tank (3) are installed through the top of one side of the outer tank (2). An vent pipe (7) is installed at the bottom of the outer tank (2) near the water supply pipe (5). A pipe communicating with the inner tank (3) is installed through one side of the top of the cover (4). The outer tank (2) is connected to the biogas exhaust pipe (8), and an overflow bend (9) is provided on the side of the outer tank (2) away from the water supply pipe (5). A hollow interlayer (10) is formed between the outer tank (2) and the inner tank (3) and is connected to the overflow bend (9). The bottom of the inner tank (3) is an open structure. A honeycomb plate (11) and a enclosure (12) are welded to the bottom of the inner tank (3). The bottom of the L-shaped biogas inlet pipe (6) extends to the inside of the enclosure (12). A bent cover (13) is welded to the side of the bottom of the inner tank (3).

2. The anaerobic reactor water seal tank according to claim 1, characterized in that: The installation height of the water supply pipe (5) is greater than the installation height of the L-shaped biogas inlet pipe (6), and the installation height of the L-shaped biogas inlet pipe (6) is greater than the installation height of the overflow bend pipe (9).

3. The anaerobic reactor water seal tank according to claim 1, characterized in that: The water supply pipe (5) is equipped with valve one (14), and the drain pipe (7) is equipped with valve two (15).

4. The anaerobic reactor water seal tank according to claim 1, characterized in that: The overflow bend (9) is fixedly connected to the outer tank (2) via a bracket (16), and the bracket (16) is welded to the outer surface of the outer tank (2).

5. The anaerobic reactor water seal tank according to claim 1, characterized in that: A vent pipe (17) is fixedly installed at the middle position of the bottom end of the overflow bend (9), and a valve (18) is installed on the vent pipe (17).

6. The anaerobic reactor water seal tank according to claim 1, characterized in that: The top side of the cap (4) is provided with an exhaust pipe (19) that communicates with the hollow interlayer (10). The top of the exhaust pipe (19) is fixedly provided with a connector (20). A balloon (21) is provided on the connector (20). The nozzle of the balloon (21) is tied to the connector (20). The balloon (21) is in a contracted state under normal conditions.

7. The anaerobic reactor water seal tank according to claim 1, characterized in that: The outer tank (2) has a viewing window (22) that is connected to the inner tank (3) through the front. The installation height of the viewing window (22) is flush with the installation height of the overflow bend (9).

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