CN212273695U

CN212273695U - Automatic drainage device for biogas digester

Info

Publication number: CN212273695U
Application number: CN202020845869.7U
Authority: CN
Inventors: 邓淼君
Original assignee: Shield Science & Technology Co ltd
Current assignee: Shield Science & Technology Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-01-01
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses an automatic drainage device for a biogas digester, which comprises a digester, a feeding pipe connected with the top end of the digester and a discharging pipe connected with the bottom of the side surface of the digester; the bottom end of the desulfurizing tank is connected with a water accumulation tank, the bottom of the side surface of the water accumulation tank is connected with a first water outlet pipe, a first connecting pipe is arranged at the end part of the first water outlet pipe, which is far away from the water accumulation tank, and the first water outlet pipe and the first connecting pipe are connected with a water level control valve; the top of digester side is connected with the intake pipe, the utility model discloses a be connected with the ponding jar in the bottom of digester, during the moisture after the vapor condenses gathers the ponding jar in the digester, be connected with first outlet pipe on the ponding jar, be provided with the water level control valve between first outlet pipe and the connecting pipe, when certain water level department is gathered to moisture in the ponding jar, the water level control valve is opened, discharges in automatic first outlet pipe of follow and the first connecting pipe.

Description

Automatic drainage device for biogas digester

Technical Field

The utility model relates to a marsh gas digester field, in particular to marsh gas digester is with automatic drainage device.

Background

The application of the biogas as a new energy source is more and more extensive, the biogas is strictly regulated in the national environmental protection standard, when the biogas energy source is utilized, the content of H2S in the biogas gas cannot exceed 20mg/m3, H2S must be removed as much as possible in industrial or civil gas, and therefore a desulfurization device is required to carry out desulfurization work;

because the biogas contains a large amount of vapor, accumulated water exists at the bottom of the desulfurization tank and needs to be discharged, generally, a water outlet pipe is connected to the bottom end of the desulfurization tank, when the accumulated water in the desulfurization tank is discharged, a valve on the water outlet pipe needs to be manually opened, and the water accumulated at the bottom of the desulfurization tank is discharged from the water outlet pipe;

the existing mode of directly discharging accumulated water in the desulfurizing tank by using a drain pipe has the problems of troublesome operation, time waste and labor waste.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a marsh gas is automatic drainage device for digester can effectively solve the mode of present this kind of ponding in utilizing the drain pipe direct discharge digester, has troublesome poeration, the problem that wastes time and energy.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic drainage device for a biogas digester comprises a digester, a feeding pipe connected to the top end of the digester, and a discharging pipe connected to the bottom of the side face of the digester;

the bottom end of the desulfurizing tank is connected with a water accumulation tank, the bottom of the side surface of the water accumulation tank is connected with a first water outlet pipe, a first connecting pipe is arranged at the end part of the first water outlet pipe, which is far away from the water accumulation tank, and the first water outlet pipe and the first connecting pipe are connected with a water level control valve;

the top of digester side is connected with the intake pipe, the relative department of intake pipe is connected with the outlet duct on the digester, the fixed plate is installed to the both sides of digester bottom, the bottom of fixed plate is provided with two landing legs.

The bottom end of the water accumulation tank is connected with a second water outlet pipe, and a second manual switch valve is arranged on the second water outlet pipe.

The one end of first connecting pipe is connected on the storage water tank, the bottom of storage water tank is connected with the drain pipe, install first manual switch valve on the drain pipe, the top of storage water tank is connected with the exhaust tube, the inlet end at the aspiration pump is connected on the top of exhaust tube, the second connecting pipe is connected to the end of giving vent to anger of aspiration pump, the one end of keeping away from the aspiration pump of second connecting pipe is connected on the digester, the border department on storage water tank top is connected with the breather pipe.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a bottom at the digester is connected with the ponding jar, moisture after the vapor condenses in the digester is gathered in the ponding jar, be connected with first outlet pipe on the ponding jar, be provided with the water level control valve between first outlet pipe and the connecting pipe, when certain water level department is gathered to moisture in the ponding jar, the water level control valve is opened, discharge in automatic follow first outlet pipe and the first connecting pipe, when needs are washed in the digester simultaneously, can open the manual switch valve of second on the second outlet pipe, directly emit from the second outlet pipe with the washing waste water that gathers in the ponding jar, when avoiding washing the waste water with the production inside the digester when discharging in first outlet pipe, because the hindrance of water level control valve, and reduce and wash efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of the structure at a point a of the present invention.

In the figure: 1. a devulcanizer; 2. a feed pipe; 3. a discharge pipe; 4. an air inlet pipe; 5. an air outlet pipe; 6. a fixing plate; 7. a support leg; 8. a water accumulation tank; 9. a first water outlet pipe; 10. a water level control valve; 11. a first connecting pipe; 12. a water storage tank; 13. an air exhaust pipe; 14. an air pump; 15. a second connecting pipe; 16. a breather pipe; 17. a drain pipe; 18. a first manual on-off valve; 19. a second water outlet pipe; 20. and a second manual switch valve.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, an automatic drainage device for a biogas digester includes a digester 1, a feeding pipe 2 connected to the top of the digester 1, and a discharging pipe 3 connected to the bottom of the side of the digester 1;

the bottom end of the desulfurizing tank 1 is connected with a water accumulation tank 8, the bottom of the side surface of the water accumulation tank 8 is connected with a first water outlet pipe 9, a first connecting pipe 11 is arranged at the end part of the first water outlet pipe 9 far away from the water accumulation tank 8, and the first water outlet pipe 9 and the first connecting pipe 11 are connected with a water level control valve 10;

the top of 1 side of digester is connected with intake pipe 4, the relative department of intake pipe 4 is connected with outlet duct 5 on 1 digester, fixed plate 6 is installed to the both sides of 1 bottom of digester, the bottom of fixed plate 6 is provided with two landing legs 7.

As shown in fig. 2, a second water outlet pipe 19 is connected to the bottom end of the water collecting tank 8, and a second manual switch valve 20 is arranged on the second water outlet pipe 19.

By adopting the scheme, when the water accumulation tank 8 is flushed, the second manual switch valve 20 can be manually opened, and wastewater generated in the flushing process is directly discharged from the second water outlet pipe 19.

As shown in fig. 2, one end of the first connection pipe 11 is connected to the water storage tank 12, the bottom end of the water storage tank 12 is connected to a water discharge pipe 17, and the water discharge pipe 17 is provided with a first manual switch valve 18.

As shown in fig. 2, the top end of the water storage tank 12 is connected to an air pumping pipe 13, the top end of the air pumping pipe 13 is connected to an air inlet end of an air pumping pump 14, an air outlet end of the air pumping pump 14 is connected to a second connecting pipe 15, and one end of the second connecting pipe 15, which is far away from the air pumping pump 14, is connected to the desulfurizing tank 1.

By adopting the scheme, water drained from the first water outlet pipe 9 and the first connecting pipe 11 enters the water storage tank 12, the air pump 14 is started, and under the action of the air pump 14, part of methane brought out from the effluent moisture is flushed and pumped into the desulfurizing tank 1, so that the phenomenon that part of methane is directly discharged along with the outflow of moisture is avoided.

As shown in fig. 2, a vent pipe 16 is connected to the top edge of the water storage tank 12.

By adopting the above scheme, the vent pipe 16 plays a role in balancing the internal and external pressure of the water storage tank 12, and avoids the situation that the air in the water storage tank 12 is pumped by the air pump 14 to cause the internal and external pressure difference of the water storage tank 12 and the water in the water storage tank 12 cannot be discharged from the water discharge pipe 17

It is noted that the utility model relates to an automatic drainage device for a biogas digester, when the water collected in a water collecting tank 8 at the bottom of a digester 1 reaches a certain water level, the water level control valve 10 is opened, accumulated water in the accumulated water tank 8 is automatically led into the water storage tank 12 from the first water outlet pipe 9 and the first connecting pipe 11, the air pump 14 with the model number of ZR370-02PM is started, under the action of the air pump 14 and the second connecting pipe 15, part of the biogas entering the water storage tank 12 along with the water flow is pumped into the desulfurizing tank 1 again, the vent pipe 16 on the water storage tank 12 has the function of balancing the internal and external pressure, when a certain amount of water is accumulated in the storage tank 12, the first manual switch valve 18 on the drain pipe 17 is opened, the water in the storage tank 12 is discharged from the drain pipe 17, when the interior of the desulfurization tank 1 needs to be flushed, the second manual switch valve 20 can be opened, and wastewater generated after the interior of the desulfurization tank 1 is flushed is directly sent out from the second water outlet pipe 19.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An automatic drainage device for a biogas digester is characterized by comprising a digester (1), a feeding pipe (2) connected to the top end of the digester (1), and a discharging pipe (3) connected to the bottom of the side face of the digester (1);

the bottom end of the desulfurizing tank (1) is connected with a water collecting tank (8), the bottom of the side surface of the water collecting tank (8) is connected with a first water outlet pipe (9), a first connecting pipe (11) is arranged at the end part, far away from the water collecting tank (8), of the first water outlet pipe (9), and the first water outlet pipe (9) and the first connecting pipe (11) are connected with a water level control valve (10);

the top of digester (1) side is connected with intake pipe (4), the relative department of intake pipe (4) is connected with outlet duct (5) on digester (1), fixed plate (6) are installed to the both sides of digester (1) bottom, the bottom of fixed plate (6) is provided with two landing legs (7).

2. The automatic drainage device for the biogas digester as claimed in claim 1, wherein: the bottom end of the water collecting tank (8) is connected with a second water outlet pipe (19), and a second manual switch valve (20) is arranged on the second water outlet pipe (19).

3. The automatic drainage device for the biogas digester as claimed in claim 1, wherein: one end of the first connecting pipe (11) is connected to the water storage tank (12), the bottom end of the water storage tank (12) is connected with a drain pipe (17), the drain pipe (17) is provided with a first manual switch valve (18).

4. The automatic drainage device for the biogas digester as claimed in claim 3, wherein: the top of storage water tank (12) is connected with aspiration tube (13), the inlet end at aspiration pump (14) is connected on the top of aspiration tube (13), second connecting pipe (15) is connected to the end of giving vent to anger of aspiration pump (14), the one end of keeping away from aspiration pump (14) of second connecting pipe (15) is connected on digester (1).

5. The automatic drainage device for the biogas digester as claimed in claim 3, wherein: the edge of the top end of the water storage tank (12) is connected with a vent pipe (16).