CN214735592U

CN214735592U - Gas-liquid separation device for biogas pretreatment equipment

Info

Publication number: CN214735592U
Application number: CN202120799222.XU
Authority: CN
Inventors: 刘宇明; 陈凤凯; 吴祖力; 牛圣广; 黎长乐
Original assignee: Shenzhen Shengshi Environmental Protection And Energy Co ltd
Current assignee: Shenzhen Shengshi Environmental Protection And Energy Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-16
Anticipated expiration: 2031-04-19

Abstract

The utility model discloses a gas-liquid separation device for biogas pretreatment equipment, which comprises a tank body, wherein the middle position of the surface of the tank body is fixedly connected with an air inlet pipe, the top of the tank body is fixedly connected with a gas connecting pipe, one end of a first flange, which is far away from the tank body, is fixedly connected with a gas purification component, one end of the gas purification component, which is far away from the tank body, is fixedly connected with an air outlet pipe, the bottom of the tank body is fixedly connected with a liquid connecting pipe, one end of the liquid connecting pipe, which is far away from the tank body, is fixedly connected with a second flange, one end of the second flange, which is far away from the liquid connecting pipe, is fixedly connected with a liquid purification component, so that the biogas pretreatment efficiency is improved to a certain extent, the cost of the biogas pretreatment equipment is reduced, the problems that most of the gas-liquid separation devices in the existing biogas pretreatment equipment only separate gas from liquid, and do not further treat the separated gas and liquid, the separated gas and liquid need to be treated by additional treatment equipment.

Description

Gas-liquid separation device for biogas pretreatment equipment

Technical Field

The utility model relates to the technical field of methane treatment, in particular to a gas-liquid separation device for methane pretreatment equipment.

Background

The system is not only used for realizing the functions of dehydration, desulfurization, pressure stabilization, impurity removal, safety protection and the like of the methane, but also is a fuel gas conveying bridge between the anaerobic reaction tank of the methane and the generator set, and the methane enters the pretreatment equipment, is subjected to dehydration, desulfurization and impurity removal, and then enters the methane generator set for power generation operation.

Most of gas-liquid separation devices in the existing biogas pretreatment equipment only separate gas and liquid and do not further treat the separated gas and liquid, and the separated gas and liquid need to be additionally treated by treatment equipment, so that the efficiency of biogas pretreatment is reduced and the cost of certain biogas pretreatment equipment is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas-liquid separation for marsh gas pretreatment device installs removable gas purification subassembly in gas outlet department, installs removable liquid purification subassembly in water outlet department to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gas-liquid separation device for marsh gas pretreatment equipment, includes a jar body, jar body surface position fixedly connected with intake pipe placed in the middle, jar body top fixedly connected with gas connection pipe, the first flange of jar body one end fixedly connected with is kept away from to the gas connection pipe, jar body one end fixedly connected with gas purification subassembly is kept away from to the first flange, jar body one end fixedly connected with outlet duct is kept away from to the gas purification subassembly, jar body bottom fixedly connected with liquid connection pipe, jar body one end fixedly connected with second flange is kept away from to the liquid connection pipe, liquid connection pipe one end fixedly connected with liquid purification subassembly is kept away from to the second flange, liquid purification subassembly bottom fixedly connected with drain pipe.

Preferably, the gas purification assembly comprises an observation port, a first iron oxide filter screen, a first activated carbon filter screen, a second iron oxide filter screen and a first shell, wherein the observation port is formed in the surface of the first shell, the observation port is formed into a toughened glass plate, and the first shell is internally and fixedly connected with the first iron oxide filter screen, the first activated carbon filter screen and the second iron oxide filter screen from bottom to top in sequence.

Preferably, the liquid purification subassembly includes asbestos filter screen, second active carbon filter screen, third active carbon filter screen and second shell, second shell is inside from last to lower fixedly connected with asbestos filter screen, second active carbon filter screen, third active carbon filter screen in proper order.

Preferably, intake pipe fixed connection is in the position placed in the middle of the external surface of jar, intake pipe and jar body intercommunication, the intake pipe is kept away from jar body one end fixedly connected with valve.

Preferably, the gas connecting pipe is welded at the top of the tank body, and the liquid connecting pipe is welded at the bottom of the tank body.

Preferably, the air outlet pipe and the water discharge pipe are fixedly connected with a valve at one end far away from the tank body.

Preferably, the first flange is in communication with the gas purification assembly and the second flange is in communication with the liquid purification assembly.

Preferably, the tank body is in a cylindrical shape, the tank body is a stainless steel tank, and the bottom of the tank body is welded with supporting legs.

Preferably, the tank body is provided with an air hole matched with the gas connecting pipe, and the bottom of the tank body is provided with a drain hole matched with the liquid connecting pipe.

Preferably, the top and the bottom of the tank body are both provided with round corners, and the position of the outer surface of the tank body close to the air inlet pipe is fixedly connected with a pressure gauge.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses install removable liquid purification subassembly in vapour and liquid separator's liquid outlet department, further purification treatment is carried out to the liquid after the separation through liquid purification subassembly, install removable gas purification subassembly in gas outlet department, carry out purification treatment to the gas after the separation through gas purification subassembly, and gas purification subassembly is used for carrying out the desulfurization operation to marsh gas, do not need additionally to handle the gas and the liquid of separation through treatment facility, improve marsh gas pretreatment efficiency and reduce marsh gas pretreatment equipment's cost to a certain extent.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a gas-liquid separation device for a biogas pretreatment apparatus according to the present invention;

FIG. 2 is a left side view schematic diagram of the gas-liquid separation device for the biogas pretreatment apparatus of the present invention;

FIG. 3 is a sectional view of a gas purification assembly of a gas-liquid separation device for a biogas pretreatment apparatus according to the present invention;

fig. 4 is a sectional view of a liquid purification assembly of a gas-liquid separation device for a biogas pretreatment apparatus of the present invention.

In the figure: 1. a tank body; 2. a gas purification assembly; 21. a viewing port; 22. a first iron oxide filter screen; 23. a first activated carbon filter screen; 24. a second iron oxide filter screen; 25. a first housing; 3. a liquid purification assembly; 31. an asbestos filter screen; 32. a second activated carbon filter screen; 33. a third activated carbon filter screen; 34. a second housing; 4. an air inlet pipe; 5. a gas connecting pipe; 6. a first flange; 7. an air outlet pipe; 8. a liquid connection pipe; 9. a second flange; 10. and a water discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a gas-liquid separation for marsh gas pretreatment equipment, includes

jar body

1, 1 fixed connection in the middle of jar body surface has intake pipe 4, and intake pipe 4 fixed connection is in 1 surface in the middle of jar body surface, and intake pipe 4 and jar body 1 intercommunication, intake pipe 4 keep away from 1 one end fixed connection of jar body valve. The tank body 1 is internally provided with a gas-liquid separation device for separating gas from liquid. The gas flows into the gas purification assembly 2 and the liquid flows into the liquid purification assembly 3.

The gas connecting pipe 5 is fixedly connected with the top of the tank body 1, the gas connecting pipe 5 is welded on the top of the tank body 1, and the liquid connecting pipe 8 is welded on the bottom of the tank body 1. The gas connecting pipe 5 is far away from the first flange 6 of 1 one end fixedly connected with of jar body, first flange 6 and gas purification subassembly 2 intercommunication, second flange 9 and liquid purification subassembly 3 intercommunication. The first flange 6 and the second flange 9 allow the gas purification module 2 and the liquid purification module 3 to be replaced. The inside condition of gas purification subassembly 2 can be observed through viewing aperture 21, when inside impurity is too much, in time changes.

First flange 6 is kept away from jar body 1 one end fixedly connected with gas purification subassembly 2, and gas purification subassembly 2 includes viewing aperture 21, first iron oxide filter screen 22, first active carbon filter screen 23, second iron oxide filter screen 24 and first shell 25, and viewing aperture 21 has been seted up on the surface of first shell 25, and viewing aperture 21 sets up to the toughened glass board, supreme fixedly connected with first iron oxide filter screen 22, first active carbon filter screen 23 and the second iron oxide filter screen 24 in proper order are followed to first shell 25 inside. The gas purification component 2 is fixedly connected with an air outlet pipe 7 at one end far away from the tank body 1, the air outlet pipe 7 and the drain pipe 10 are fixedly connected with valves at one end far away from the tank body 1, and the purified methane is discharged out of the tank body 1 through the air outlet pipe 7. The biogas flows through the first iron oxide filter screen 22, the first activated carbon filter screen 23 and the second iron oxide filter screen 24 at a low flow rate, hydrogen sulfide (H2S) in the biogas is oxidized into sulfur or sulfur oxides and then remains in the filler layer, and the purified gas is discharged from the gas outlet pipe 7.

Jar body 1 bottom fixedly connected with liquid connecting pipe 8, liquid connecting pipe 8 is kept away from jar body 1 one end fixedly connected with second flange 9, 8 one end fixedly connected with liquid purification subassembly 3 of liquid connecting pipe are kept away from to second flange 9, liquid purification subassembly 3 includes asbestos filter screen 31, second active carbon filter screen 32, third active carbon filter screen 33 and second shell 34, second shell 34 is inside from last to lower fixedly connected with asbestos filter screen 31 in proper order, second active carbon filter screen 32, third active carbon filter screen 33. The bottom of the liquid purification component 3 is fixedly connected with a drain pipe 10. The drain pipe 10 drains the purified water out of the tank body 1. Jar body 1 is cylindrical setting, and it is cylindrical more balanced to make internal pressure. Jar body 1 sets up to the stainless steel jar, and the welding of jar body 1 bottom has the landing leg. The tank body 1 is provided with an air hole matched with the gas connecting pipe 5, and the bottom of the tank body 1 is provided with a drain hole matched with the liquid connecting pipe 8. The top and the bottom of the tank body 1 are both provided with fillets, and the outer surface of the tank body 1 is close to the air inlet pipe 4 and is fixedly connected with a pressure gauge. Can learn jar pressure of body 1 through the manometer, prevent that the pipeline from blockking up, take place danger.

The biogas to be treated enters the tank body 1 through the gas inlet pipe 4, gas-liquid separation is carried out in the tank body 1, the separated biogas enters the gas purification component 2 through the gas connecting pipe 5, the biogas flows through the first iron oxide filter screen 22, the first activated carbon filter screen 23 and the second iron oxide filter screen 24 at a low flow rate, hydrogen sulfide (H2S) in the biogas is oxidized into sulfur or sulfur oxides and then remains in the packing layer, and the purified gas is discharged from the gas outlet pipe 7. The water in the jar body 1 passes through liquid connecting pipe 8 and flows into in the liquid purification subassembly 3, and the impurity of aquatic is adsorbed by asbestos filter screen 31, second active carbon filter screen 32, third active carbon filter screen 33, and the water after the purification passes through drain pipe 10 and discharges.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gas-liquid separation for marsh gas pretreatment equipment, includes jar body (1), its characterized in that: an air inlet pipe (4) is fixedly connected to the middle position of the surface of the tank body (1), a gas connecting pipe (5) is fixedly connected to the top of the tank body (1), one end of the gas connecting pipe (5) far away from the tank body (1) is fixedly connected with a first flange (6), one end of the first flange (6) far away from the tank body (1) is fixedly connected with a gas purification component (2), one end of the gas purification component (2) far away from the tank body (1) is fixedly connected with a gas outlet pipe (7), the bottom of the tank body (1) is fixedly connected with a liquid connecting pipe (8), one end of the liquid connecting pipe (8) far away from the tank body (1) is fixedly connected with a second flange (9), one end of the second flange (9) far away from the liquid connecting pipe (8) is fixedly connected with a liquid purifying component (3), the bottom of the liquid purification component (3) is fixedly connected with a drain pipe (10).

2. The gas-liquid separation device for a biogas pretreatment apparatus according to claim 1, wherein: gaseous purification subassembly (2) are including viewing aperture (21), first iron oxide filter screen (22), first active carbon filter screen (23), second iron dioxide filter screen (24) and first shell (25), viewing aperture (21) have been seted up on first shell (25) surface, viewing aperture (21) set up to the toughened glass board, supreme fixedly connected with first iron oxide filter screen (22), first active carbon filter screen (23) and second iron dioxide filter screen (24) in proper order are followed to first shell (25) inside.

3. The gas-liquid separation device for a biogas pretreatment apparatus according to claim 1, wherein: liquid purification subassembly (3) include asbestos filter screen (31), second active carbon filter screen (32), third active carbon filter screen (33) and second shell (34), second shell (34) are inside from last fixedly connected with asbestos filter screen (31), second active carbon filter screen (32), third active carbon filter screen (33) down in proper order.

4. The gas-liquid separation device for a biogas pretreatment apparatus according to claim 1, wherein: intake pipe (4) fixed connection is in the position placed in the middle of jar body (1) surface, intake pipe (4) and jar body (1) intercommunication, the jar body (1) one end fixedly connected with valve is kept away from in intake pipe (4).

5. The gas-liquid separation device for a biogas pretreatment apparatus according to claim 1, wherein: the gas connecting pipe (5) is welded at the top of the tank body (1), and the liquid connecting pipe (8) is welded at the bottom of the tank body (1).

6. The gas-liquid separation device for a biogas pretreatment apparatus according to claim 1, wherein: the air outlet pipe (7) and the drain pipe are fixedly connected with a valve at one end far away from the tank body (1).

7. The gas-liquid separation device for a biogas pretreatment apparatus according to claim 1, wherein: the first flange (6) is communicated with the gas purification assembly (2), and the second flange (9) is communicated with the liquid purification assembly.

8. The gas-liquid separation device for a biogas pretreatment apparatus according to claim 1, wherein: the tank body (1) is in a cylindrical shape, the tank body (1) is arranged to be a stainless steel tank, and the bottom of the tank body (1) is welded with supporting legs.

9. The gas-liquid separation device for a biogas pretreatment apparatus according to claim 1, wherein: the tank body (1) is provided with an air hole matched with the gas connecting pipe (5), and the bottom of the tank body (1) is provided with a drain hole matched with the liquid connecting pipe (8).

10. The gas-liquid separation device for a biogas pretreatment apparatus according to claim 1, wherein: the top and the bottom of the tank body (1) are both provided with fillets, and the outer surface of the tank body (1) is close to the air inlet pipe (4) and is fixedly connected with a pressure gauge.