CN217795437U

CN217795437U - Recycle device of natural gas system hydrogenolysis gassing

Info

Publication number: CN217795437U
Application number: CN202221542186.XU
Authority: CN
Inventors: 曹齐亮; 秦威; 周利
Original assignee: Hunan Zhexiang New Material Technology Co ltd
Current assignee: Hunan Zhexiang New Material Technology Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-11-15
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a recycle device of natural gas system hydrogenolysis gas separation belongs to natural gas hydrogen manufacturing technical field, and the device includes desorption case, buffer tank, desorption case upper end is fixed with the connecting pipe, and desorption gas gets into the desorption case along the connecting pipe, desorption incasement portion is fixed with the gas and passes through the board, and the gas passes through the board and is the wave, and the hydramine solution is placed to gas below the board, desorption case both ends are connected with the circulation pipe, and the circulation pipe upper end gets into desorption incasement portion again, and the circulation pipe upper end is connected with the spray tube, communicate between buffer tank and the desorption case, and the buffer tank is kept away from the desorption pipe end and is fixed with the gas contact tube, and the gas contact tube is kept away from the buffer tank end and is connected with the reborner; the device can greatly reduce the content of carbon dioxide in the desorption gas, and the desorption gas enters the converter to be stably combusted after pressure regulation, so that the device can play a role in energy conservation and environmental protection, and has remarkable economic benefit.

Description

Recycle device of natural gas system hydrogenolysis gassing

Technical Field

The utility model belongs to the technical field of the natural gas hydrogen manufacturing, especially, relate to a recycle device of natural gas hydrogen manufacturing gassing.

Background

In the production process of silicon steel, a large amount of coal energy is used, and then a large amount of analysis gas is generated, the main components of the analysis gas are gases such as carbon monoxide, hydrogen sulfide and the like, and the silicon steel production process is characterized by easy explosion and large pressure fluctuation. Because the pressure of the analytic gas is unstable, the analytic gas also contains a part of impurities, and the calorific value is lower, the utilization of the analytic gas by the current enterprises is very limited.

In the prior art, the desorption gas is generally directly used for combustion, and carbon dioxide is not removed, because the content of carbon dioxide in the existing desorption gas is high, the converter is easy to extinguish, and carbon dioxide in the desorption gas needs to be removed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a natural gas system is analyzed gas's recycle device by hydrogen, the device enable to analyze in the gas carbon dioxide content significantly reduce, through the pressure regulating after, get into the reborner and stabilize the burning, can play energy-concerving and environment-protective effect, economic benefits is showing.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a recycle device of natural gas system hydrogenolysis gassing, this recycle device of natural gas system hydrogenolysis gassing includes desorption case, buffer tank, desorption case upper end is fixed with the connecting pipe, and desorption gas gets into the desorption case along the connecting pipe, desorption incasement portion is fixed with gaseous passing through the board, and gaseous passing through the board is the wave, and hydramine solution is placed to gaseous passing through board below, desorption case both ends are connected with the circulation pipe, and inside the circulation pipe upper end got into desorption case again, and the circulation pipe upper end is connected with the spray tube, communicate between buffer tank and the desorption case, the buffer tank is kept away from the desorption pipe end and is fixed with the gas delivery pipe, and the gas delivery pipe is kept away from buffer tank end and is connected the reborner.

Furthermore, the circulation pipe comprises a delivery pipe communicated with the removal box, a lifting pump is fixed at the end, far away from the removal box, of the delivery pipe, and a circulation lifting pipe is connected to the end, far away from the delivery pipe, of the lifting pump.

Furthermore, the circulation lifting pipe stretches into the desorption box end and is fixed with a fixed plate, the two ends of the fixed plate are fixed on the inner wall of the desorption box, the fixed plate is far away from the circulation lifting pipe end and is fixedly connected with the spray pipe, the spray pipe is provided with a plurality of parts along the length direction of the fixed plate, and the inside of the fixed plate is hollow.

Furthermore, the gas passing plate is provided with a plurality of through holes, and the plurality of through holes are formed in the gas passing plate.

Furthermore, communicating pipes are fixed between the desorption box and the buffer tank, two communicating pipes are symmetrically arranged on the middle of the desorption box, and the communicating pipes are located below the gas passing plate.

Furthermore, a conical leading-in pipe is further fixed between the connecting pipe and the removing box, a connecting rod is fixed in the conical leading-in pipe, and a conical dispersing table is fixed on the end, far away from the conical leading-in pipe, of the connecting rod.

Furthermore, a pressure stabilizing valve is connected to the outside of the gas delivery pipe.

The utility model has the advantages that: the utility model discloses when analytic gas recycle, take off carbon dioxide earlier, through the buffer tank again, the reborner burning advances again after the surge damping valve is adjusted, and carbon dioxide content significantly reduces in the gas can be analyzed, in the combustion process, is difficult for making the reborner flame out, can improve the utilization ratio of gas analyzed, is in simultaneously the utility model discloses in, set up wavy gaseous through-plate in desorption incasement portion, can make the abundant contact diffusion of gas analyzed, increase and desorption incasement portion's alkylol amine contact time, improve adsorption efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a recycling apparatus for producing hydrogen and gas by natural gas according to the present invention;

fig. 2 is a schematic top structure view of fig. 1 of a recycling apparatus for producing hydrogen gas by natural gas according to the present invention;

fig. 3 isbase:Sub>A schematic sectional view of the recycling apparatus for producing hydrogen desorption gas from natural gas, taken along the linebase:Sub>A-base:Sub>A in fig. 2 according to the present invention;

fig. 4 is the internal structure of the desorption box of the recycling device for the natural gas hydrogenolysis gas separation provided by the utility model.

In the figure: 1. a removal box; 2. a buffer tank; 3. a connecting pipe; 4. a gas passing plate; 5. a circulation conduit; 6. a nozzle; 7. a gas delivery pipe; 8. a delivery pipe; 9. a lift pump; 10. circulating the riser; 11. a fixing plate; 12. a through hole; 13. a communicating pipe; 14. a tapered lead-in tube; 15. a connecting rod; 16. a conical dispersion table; 17. a pressure maintaining valve.

Detailed Description

In order to further understand the contents, features and functions of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, a recycling apparatus for producing hydrogen from natural gas according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, this recycle device of natural gas system hydrogenolysis gassing includes desorption case 1, buffer tank 2, desorption case 1 upper end is fixed with connecting pipe 3, and the gassing gets into desorption case 1 along connecting pipe 3, desorption case 1 is inside to be fixed with gaseous passing through board 4, and gaseous passing through board 4 is the wave, and the hydramine solution is placed to gaseous passing through board 4 below, desorption case 1 both ends are connected with circulation pipe 5, and inside circulation pipe 5 upper end got into desorption case 1 again, circulation pipe 5 upper end was connected with spray tube 6, communicate between buffer tank 2 and the desorption case 1, buffer tank 2 kept away from the desorption pipe end and is fixed with gas eduction tube 7, and gas eduction tube 7 keeps away from buffer tank 2 end and connects the reborner.

In the embodiment, carbon dioxide is firstly removed, and then the desorption gas is introduced into the converter for combustion after being regulated by the buffer tank and the pressure stabilizing valve.

Specifically, desorption gas is introduced into the inside of the desorption tank along a connecting pipe, a conical inlet pipe 14 is further fixed between the connecting pipe 3 and the desorption tank 1, a connecting rod 15 is fixed inside the conical inlet pipe 14, a conical dispersing table 16 is fixed on the connecting rod 15 far away from the conical inlet pipe 14, gas is firstly dispersed through the conical dispersing table 16 to avoid incomplete desorption caused by concentration, the gas passing through the inside of the desorption tank 1 after being dispersed is mixed with an alcohol amine solution below the gas passing plate 4 through the plate 4 to carry out carbon dioxide desorption, communicating pipes 13 are fixed between the desorption tank 1 and the buffer tank 2, the two communicating pipes 13 are symmetrically arranged on the middle part of the desorption tank 1, the communicating pipes 13 are positioned below the gas passing plate 4, the desorbed desorption gas enters the buffer tank 2 along the communicating pipes 13, a pressure stabilizing valve 17 is connected to the outside of the gas outlet pipe 7 connected with the buffer tank 2, the desorbed gas is output to the converter by opening the pressure stabilizing valve 17, and the pressure regulating valve 17 is stabilized to 30KPa and then enters the converter to be fully combusted.

The gas passing plate 4 is provided with a plurality of through holes 12, and the through holes 12 are formed in the gas passing plate 4, so that the gas can be conveniently analyzed.

The hydramine solution can circulate, specifically, circulation pipe 5 includes the contact tube 8 with desorption case 1 intercommunication, and contact tube 8 is kept away from desorption case 1 end and is fixed with elevator pump 9, and elevator pump 9 is kept away from contact tube 8 end and is connected with circulation riser 10.

The circulation lifting pipe 10 stretches into the 1 end of the removing box and is fixedly provided with a fixing plate 11, two ends of the fixing plate 11 are fixed on the inner wall of the removing box 1, the fixing plate 11 is far away from the 10 end of the circulation lifting pipe and is fixedly connected with the spray pipe 6, the spray pipe 6 is provided with a plurality of holes along the length direction of the fixing plate 11, and the fixing plate 11 is hollow.

In desorption gas gets into desorption case 1, wherein spray tube 6 sprays analysis gas, analysis gas can improve analysis gas falling speed under the carrying of hydramine solution, desorption case 1 inside remains a quantitative hydramine solution all the time simultaneously, the liquid surface line of hydramine solution is located gaseous passing board 4 below, promote desorption case 1 inside hydramine solution to spray tube 6 department again through elevator pump 9, form the circulation, can set up on the desorption case 1 and add mouthful dischargeable mouth, make things convenient for the hydramine solution to discharge and change.

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 recycle device of natural gas system hydrogen desorption gas, includes desorption case (1), buffer tank (2), its characterized in that, desorption case (1) upper end is fixed with connecting pipe (3), and desorption gas gets into desorption case (1) along connecting pipe (3), desorption case (1) inside is fixed with gaseous board (4) that passes through, and gaseous passing through board (4) are the wave, and gaseous hydramine solution is placed to gaseous passing through board (4) below, desorption case (1) both ends are connected with circulation pipe (5), and inside circulation pipe (5) upper end reentrant desorption case (1), circulation pipe (5) upper end were connected with spray tube (6), communicate between buffer tank (2) and desorption case (1), buffer tank (2) keep away from desorption and are fixed with gas delivery tube (7) end, and buffer tank (2) end connection reborner is kept away from in gas delivery tube (7).

2. The recycling device for the hydrogenolysis gas separation of natural gas according to claim 1, wherein the circulation conduit (5) comprises a lead-out pipe (8) communicated with the desorption tank (1), a lift pump (9) is fixed on the lead-out pipe (8) end far away from the desorption tank (1), and a circulation lift pipe (10) is connected on the lift pump (9) end far away from the lead-out pipe (8).

3. The recycling device for the hydrogenolysis gas evolution produced by natural gas according to claim 2, wherein the circulating lifting pipe (10) is fixed with a fixing plate (11) by extending into the end of the desorption box (1), the two ends of the fixing plate (11) are fixed on the inner wall of the desorption box (1), the fixing plate (11) is fixedly connected with the spray pipe (6) far away from the end of the circulating lifting pipe (10), the spray pipe (6) is provided with a plurality of spray pipes along the length direction of the fixing plate (11), and the fixing plate (11) is hollow.

4. The recycling apparatus for hydrogen evolution gas from natural gas according to claim 1, wherein the gas passing plate (4) is provided with a plurality of through holes (12), and the plurality of through holes (12) are formed in the gas passing plate (4).

5. The recycling device for the hydrogenolysis gas separation of natural gas according to claim 1, wherein two communicating pipes (13) are fixed between the desorption tank (1) and the buffer tank (2), the two communicating pipes (13) are symmetrically arranged around the middle of the desorption tank (1), and the communicating pipes (13) are positioned below the gas passing plate (4).

6. The recycling apparatus for hydrogen evolution gas from natural gas according to claim 1, wherein a conical inlet pipe (14) is further fixed between the connection pipe (3) and the desorption tank (1), a connection rod (15) is fixed inside the conical inlet pipe (14), and a conical dispersion table (16) is fixed on the connection rod (15) away from the conical inlet pipe (14).

7. The recycling apparatus for the hydrogenolysis gas separation from natural gas according to claim 1, wherein a pressure maintaining valve (17) is connected to the outside of the gas outlet pipe (7).