CN216643785U

CN216643785U - Automatic drainage device of anaerobic digestion tank biogas pipeline

Info

Publication number: CN216643785U
Application number: CN202123071469.9U
Authority: CN
Inventors: 吴�琳; 刘登如; 侯延威
Original assignee: Wuxi Qingda Baite Environmental Protection Engineering Co ltd
Current assignee: Wuxi Qingda Baite Environmental Protection Engineering Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-05-31
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses an automatic drainage device of a biogas pipeline of an anaerobic digestion tank, belonging to the technical field of drainers. The automatic drainage device of the anaerobic digestion tank biogas pipeline comprises a first pipeline and a fifth pipeline, wherein a first water inlet is formed in the first pipeline and is communicated with the anaerobic digestion tank biogas pipeline; the first pipeline is communicated with a fifth pipeline through a second pipeline, a third pipeline and a fourth pipeline, and the fifth pipeline is communicated with a sixth pipeline; and an electromagnetic valve and a second water inlet are arranged on the fifth pipeline, a tuning fork switch is arranged on the fourth pipeline, and the tuning fork switch is in data communication with the electromagnetic valve. The utility model has simple structure, convenient operation, safety and reliability, can prevent the overflow of the methane, is convenient for replacing the pipeline and can clean the blockage of the sundries in time.

Description

Automatic drainage device of anaerobic digestion tank biogas pipeline

Technical Field

The utility model relates to an automatic drainage device of a biogas pipeline of an anaerobic digestion tank, belonging to the technical field of drainers.

Background

With increasing environmental requirements, energy conservation and carbon reduction are also in need, and in sewage treatment, more and more projects apply anaerobic technology, so that energy consumption is reduced, and the generated methane can be used as energy for comprehensive utilization.

Biogas is collected in the anaerobic reactor and then passes through a water seal, and can enter a biogas treatment system only after being drained. In the conventional biogas drainage, a U-shaped bend is arranged on a biogas pipeline, and a valve is additionally arranged at the lowest point of the U-shaped bend to drain water at regular time. However, the methane is flammable and explosive, and when the U-shaped bend is provided with a valve for water drainage, the methane is easy to be discharged or air is easy to be introduced into the pipeline, so that the explosion risk is increased. In addition, the existing methane drainage device is easy to accumulate sludge and impurities in a sewage system, thereby blocking pipelines of the methane drainage system.

SUMMERY OF THE UTILITY MODEL

[ problem ] to

The utility model aims to solve the problems that: the drainage device of the existing anaerobic digestion tank biogas pipeline is easy to discharge biogas or introduce air into the pipeline, increases the explosion risk, and is easy to accumulate sludge and impurities in a sewage system, thereby blocking the pipeline of the biogas drainage system.

[ solution ]

The automatic drainage device for the biogas pipeline of the anaerobic digester has the advantages of simple structure, convenience in operation, safety and reliability, capability of preventing biogas from overflowing, convenience in pipeline replacement and capability of timely cleaning sundries blockage.

An automatic drainage device of a biogas pipeline of an anaerobic digestion tank comprises a first pipeline and a fifth pipeline, wherein a first water inlet is formed in the first pipeline and is communicated with the biogas pipeline of the anaerobic digestion tank; the first pipeline is communicated with a fifth pipeline through a second pipeline, a third pipeline and a fourth pipeline, and the fifth pipeline is communicated with a sixth pipeline; and an electromagnetic valve and a second water inlet are arranged on the fifth pipeline, a tuning fork switch is arranged on the fourth pipeline, and the tuning fork switch is in data communication with the electromagnetic valve.

In an embodiment of the utility model, the second pipeline and the third pipeline are provided with quick-connection hoops, each quick-connection hoop comprises a clamping ring and a locking rod, two middle pipe orifices are arranged in the clamping ring, and the two middle pipe orifices are clamped by the clamping rings and locked by the locking rods when the quick-connection hoops are used.

In an embodiment of the present invention, the second water inlet is communicated with a tap water pipeline, tap water enters the fifth pipeline through the second water inlet, and the electromagnetic valve is used for controlling the opening or closing of the second water inlet.

In an embodiment of the present invention, the height of the fourth pipe is greater than the height of the second pipe, and the tuning fork switch is configured to detect whether water is present in the fourth pipe.

In one embodiment of the utility model, the interface of the sixth pipeline and the fifth pipeline is higher than the fourth pipeline.

In one embodiment of the utility model, the second valve is located at the bottom end of the first conduit and the second conduit is located above the second valve.

In one embodiment of the utility model, the outer layers of the first pipeline, the second pipeline, the third pipeline, the fourth pipeline, the fifth pipeline and the sixth pipeline are provided with a polyurethane heat-insulating layer and an aluminum skin shell, and electric tracing is used.

[ advantageous effects ]

1. According to the utility model, the electromagnetic valve and the second water inlet are arranged on the fifth pipeline, the second water inlet is communicated with the tap water pipeline, tap water enters the fifth pipeline through the second water inlet, and the electromagnetic valve is used for controlling the opening of the second water inlet; and a tuning fork switch is arranged on the fourth pipeline and is in data communication with the electromagnetic valve, when the biogas system operates normally, the tuning fork switch detects that no water exists in the fourth pipeline, the tuning fork switch transmits a detected water-free signal to the electromagnetic valve, and the electromagnetic valve opens the second water inlet to automatically supplement tap water. Through the design, water can be stored in the second pipeline, the third pipeline and the first pipeline at any time, the overflow of methane in the first pipeline is prevented, and the device is safe and reliable.

2. The second pipeline and the third pipeline are provided with the quick connection clamp, the quick connection clamp comprises a clamping ring and a connecting rod, two middle pipe orifices are arranged in the clamping ring, when the quick connection clamp is used, the two middle pipe orifices are respectively welded with the middle breaking part of the second pipeline or the third pipeline, the two middle pipe orifices are clamped through the clamping ring and are locked through the locking rod. Because mud, debris in the anaerobic digestion jar biogas pipeline are too much, when blockking up the pipeline, make the snap ring loosen through dismantling the check lock lever to conveniently break the pipeline and clear up, labour saving and time saving, convenient and fast.

3. The second valve is positioned at the bottom end of the first pipeline, the second pipeline is positioned above the second valve, accumulated water in the whole drainage device can be drained through the second valve, and the second valve can be used for periodic inspection or condition inspection.

4. According to the utility model, the joint of the sixth pipeline and the fifth pipeline is higher than the fourth pipeline, and when the liquid in the fifth pipeline is higher than the joint of the sixth pipeline and the fifth pipeline, the condensed water overflows through the sixth pipeline to automatically finish drainage.

5. According to the utility model, the first pipeline, the second pipeline, the third pipeline, the fourth pipeline, the fifth pipeline and the sixth pipeline use electric heat tracing, and the polyurethane heat-insulating layer and the aluminum skin shell are arranged on the outer layers, so that water freezing when the temperature is too low outdoors in winter can be effectively prevented.

Drawings

FIG. 1 is a schematic structural view of an automatic drainage device of a biogas pipeline of an anaerobic digester according to the present invention.

Figure 2 is a top view of the quick connect clip of the present invention.

In the figure, 1, a first water inlet; 2. a first valve; 3. a first conduit; 4. a second valve; 5. a second conduit; 6. quickly connecting a clamp; 7. a third pipeline; 8. a fourth conduit; 9. a tuning fork switch; 10. a fifth pipeline; 11. an electromagnetic valve; 12. a second water inlet; 13. a sixth pipeline; 61. a snap ring; 62. a locking lever.

Detailed Description

In order to achieve the above objects, features and advantages and to make the utility model more comprehensible, the present invention is described in detail with reference to the following embodiments.

Example 1

As shown in fig. 1, an automatic drainage device for a biogas pipeline of an anaerobic digester comprises a first pipeline 3 and a fifth pipeline 10, wherein the first pipeline 3 is provided with a first water inlet 1, a first valve 2 and a second valve 4, the first water inlet 1 is communicated with the biogas pipeline of the anaerobic digester, and condensed water containing water and biogas in the biogas pipeline of the anaerobic digester enters the first pipeline 3 through the first water inlet 1; the first pipeline 3 is communicated with a second pipeline 5, the second pipeline 5 is communicated with a third pipeline 7, the third pipeline 7 is communicated with a fourth pipeline 8, the fourth pipeline 8 is communicated with a fifth pipeline 10, and the fifth pipeline 10 is communicated with a sixth pipeline 13; the fifth pipeline 10 is provided with an electromagnetic valve 11 and a second water inlet 12, the second water inlet 12 is communicated with a tap water pipeline, tap water enters the fifth pipeline 10 through the second water inlet 12, and the electromagnetic valve 11 is used for controlling the opening or closing of the second water inlet 12; and a tuning fork switch 9 is arranged on the fourth pipeline 8, and the tuning fork switch 9 is in data communication with the electromagnetic valve 11.

As shown in fig. 1 or 2, second pipeline 5 and third pipeline 7 are equipped with and connect clamp 6 soon, connect clamp 6 soon and include snap ring 61 and check lock lever 62, be equipped with two middle mouths of pipe in the snap ring 61, during the use with two middle mouths of pipe respectively with the middle disconnection department welding of second pipeline 5 or third pipeline 7, block two middle mouths of pipe and lock with check lock lever 62 through snap ring 61. Because mud, debris in the anaerobic digestion jar biogas pipeline are too much, when blockking up the pipeline, make snap ring 61 loosen through dismantling check lock lever 62 to make things convenient for the disconnection pipeline to clear up, labour saving and time saving, convenient and fast.

Further, the height of the fourth pipeline 8 is greater than that of the second pipeline 5, the tuning fork switch 9 is used for detecting whether water exists in the fourth pipeline 8, when the biogas system operates normally, the tuning fork switch 9 detects that water does not exist in the fourth pipeline 8, the tuning fork switch 9 transmits a detected water-free signal to the electromagnetic valve 11, the electromagnetic valve 11 opens the second water inlet 12, and tap water is automatically replenished. Through the design, water can be stored in the second pipeline 5, the third pipeline 7 and the first pipeline 3 all the time, so that the methane in the first pipeline 3 is prevented from overflowing, and the device is safe and reliable.

Further, the second valve 4 is located at the bottom end of the first pipeline 3, the second pipeline 5 is located above the second valve 4, the second valve 4 is normally closed, and accumulated water in the first pipeline 3 can be opened during regular inspection or condition check.

Further, the interface between the sixth pipeline 13 and the fifth pipeline 10 is higher than the fourth pipeline 8, and when the liquid in the fifth pipeline 10 is higher than the interface between the sixth pipeline 13 and the fifth pipeline 10, the condensed water overflows through the sixth pipeline 13 to automatically finish drainage.

Furthermore, the first pipeline 3, the second pipeline 5, the third pipeline 7, the fourth pipeline 8, the fifth pipeline 10 and the sixth pipeline 13 use electric tracing, and a polyurethane heat-insulating layer and an aluminum skin shell are arranged on the outer layers of the pipelines, so that water is prevented from freezing when the temperature is too low outdoors in winter.

The working principle of the utility model is as follows: when the water-sealed type water-sealed water bottle is used for the first time, a proper amount of tap water is added from the second water inlet 12 to be used as an initial water seal; the first valve 2 is opened, biogas condensate water in the biogas pipeline of the anaerobic digestion tank enters the first pipeline 3 through the first water inlet 1, the first pipeline 3 is communicated with the biogas pipeline, so biogas is filled above the water surface in the first pipeline 3, and condensate water without biogas sequentially passes through the first pipeline 3, the second pipeline 5, the third pipeline 7, the fourth pipeline 8 and the fifth pipeline 10 and is discharged through the sixth pipeline 13. When the biogas system operates, the tuning fork switch 9 detects that no water exists in the fourth pipeline 8, the tuning fork switch 9 transmits a detected water-free signal to the electromagnetic valve 11, the second water inlet 12 is opened through the electromagnetic valve 11, tap water is automatically supplemented, water is stored in the second pipeline 5, the third pipeline 7 and the first pipeline 3 all the time, biogas is sealed, and the biogas in the first pipeline 3 is prevented from overflowing.

The scope of the present invention is not limited to the above embodiments, and any modifications, equivalent substitutions, improvements, etc. that can be made by those skilled in the art within the spirit and principle of the inventive concept should be included in the scope of the present invention.

Claims

1. The automatic drainage device of the anaerobic digestion tank biogas pipeline is characterized by comprising a first pipeline (3) and a fifth pipeline (10), wherein a first water inlet (1) is formed in the first pipeline (3), and the first water inlet (1) is communicated with the anaerobic digestion tank biogas pipeline; the first pipeline (3) is communicated with a fifth pipeline (10) through a second pipeline (5), a third pipeline (7) and a fourth pipeline (8), and the fifth pipeline (10) is communicated with a sixth pipeline (13); be equipped with solenoid valve (11) and second water inlet (12) on fifth pipeline (10), fourth pipeline (8) are equipped with tuning fork switch (9), tuning fork switch (9) and solenoid valve (11) data intercommunication.

2. The automatic water discharging device for the biogas pipeline of the anaerobic digestion tank as recited in claim 1, wherein the second pipeline (5) and the third pipeline (7) are provided with a quick-connection clamp (6), the quick-connection clamp (6) comprises a clamp ring (61) and a locking rod (62), two middle pipe orifices are arranged in the clamp ring (61), and the two middle pipe orifices are clamped by the clamp ring (61) and locked by the locking rod (62) during use.

3. The automatic water discharge device for the biogas pipeline of the anaerobic digester as claimed in claim 2, wherein the second water inlet (12) is communicated with a tap water pipeline, tap water enters the fifth pipeline (10) through the second water inlet (12), and the electromagnetic valve (11) is used for controlling the opening or closing of the second water inlet (12).

4. The automatic water draining device of anaerobic digester biogas pipeline according to claim 3, characterized in that the height of the fourth pipeline (8) is larger than the height of the second pipeline (5), the tuning fork switch (9) is used to detect the presence or absence of water in the fourth pipeline (8).

5. The automatic water draining device for biogas pipelines of anaerobic digestion tanks according to claim 4, characterized in that the interface of the sixth pipeline (13) and the fifth pipeline (10) is higher than the fourth pipeline (8).

6. The automatic water draining device for the biogas pipeline of the anaerobic digester as claimed in claim 5, wherein the first pipeline (3) is further provided with a second valve (4), the second valve (4) is located at the bottom end of the first pipeline (3), and the second pipeline (5) is located above the second valve (4).

7. The automatic drainage device for the biogas pipeline of the anaerobic digester as claimed in claim 6, wherein the first pipeline (3), the second pipeline (5), the third pipeline (7), the fourth pipeline (8), the fifth pipeline (10) and the sixth pipeline (13) are externally provided with polyurethane insulation layer and aluminum skin shell and use electric tracing.