CN213576814U - Automatic nitrogen charging system for hydrogen combustor in lithium bromide unit - Google Patents
Automatic nitrogen charging system for hydrogen combustor in lithium bromide unit Download PDFInfo
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- CN213576814U CN213576814U CN202022327036.4U CN202022327036U CN213576814U CN 213576814 U CN213576814 U CN 213576814U CN 202022327036 U CN202022327036 U CN 202022327036U CN 213576814 U CN213576814 U CN 213576814U
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- pipeline
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- compressed air
- nitrogen gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/34—Hydrogen distribution
Abstract
The utility model provides an automatic nitrogen charging system for hydrogen combustor among lithium bromide unit, includes furnace, the furnace both ends be connected with main gas pipeline and flue respectively, main gas pipeline is connected to the pneumatic valve on, the pneumatic valve is two tee bend pneumatic valves, still is connected with nitrogen gas pipeline and compressed air pipeline on the pneumatic valve, is equipped with nitrogen gas manometer and the manual ball valve of nitrogen gas on nitrogen gas pipeline, is equipped with compressed air manometer and the manual ball valve of compressed air on compressed air pipeline. This novel adopt above-mentioned structure, can be when the unit standby that adopts the hydrogen combustor or shut down, under the combustor flame-out state, automatically open nitrogen gas, sweep and replace hydrogen in the furnace, can not produce hydrogen explosive gas mixture in the assurance furnace.
Description
Technical Field
The utility model relates to a timber processing equipment field, specific be an automatic nitrogen charging system that is arranged in lithium bromide unit hydrogen combustor.
Background
At present, the safety production situation of China generally keeps stable and well, the total number of accidents is reduced, but serious accidents still happen occasionally, and the number of casualties is still large. The foundation of safe production is not firm enough, and the situation is still complex and severe. In the safety production, through science and technology prosperity, research and development investment is increased, and improvement of intrinsic safety is a main way for comprehensively restraining production accidents.
In the chlor-alkali chemical industry, hydrogen is a byproduct and is easy to obtain, so that the hydrogen can be widely applied to various devices needing thermal drive as combustion media.
Hydrogen is a flammable and explosive gas, the explosion limit in air is 4% -75%, and during the use of the hydrogen burner, if the combustion is incomplete or the hydrogen pipeline leaks, explosive mixed gas is possibly formed in the combustion chamber, and the explosion is caused by static electricity or open fire.
Disclosure of Invention
The utility model aims to solve the technical problem that an automatic nitrogen charging system for hydrogen combustor among lithium bromide unit is provided can be when the unit standby that adopts hydrogen combustor or shut down, combustor flameout state under, the nitrogen gas is opened automatically, sweeps replacement furnace inner hydrogen, can not produce hydrogen-containing explosive gas mixture in guaranteeing furnace.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides an automatic nitrogen charging system for hydrogen combustor among lithium bromide unit, includes furnace, the furnace both ends be connected with main gas pipeline and flue respectively, main gas pipeline is connected to the pneumatic valve on, the pneumatic valve is two tee bend pneumatic valves, still is connected with nitrogen gas pipeline and compressed air pipeline on the pneumatic valve, is equipped with nitrogen gas manometer and the manual ball valve of nitrogen gas on nitrogen gas pipeline, is equipped with compressed air manometer and the manual ball valve of compressed air on compressed air pipeline.
In a preferable scheme, a pressure regulating pilot valve is further arranged on the compressed air pipeline.
In the preferred scheme, the flue be connected to the compressor, the compressor output passes through the pipeline and is connected with the knockout drum, and the knockout drum top is equipped with the air duct, and the air duct is connected to on the nitrogen gas back flow, the nitrogen gas back flow is connected to on the nitrogen gas pipeline.
In the preferred scheme, a hydrogen discharge pipe is arranged at the connecting point of the air guide pipe and the nitrogen return pipe, and a three-way regulating valve is arranged at the connecting position of the air guide pipe, the nitrogen return pipe and the hydrogen discharge pipe.
In a preferable scheme, valves are arranged on the main hose, the drainage hose, the alkali feeding hose and the air inlet hose.
The utility model provides an automatic nitrogen charging system for hydrogen combustor among lithium bromide unit through adopting above-mentioned structure, has following beneficial effect:
(1) the replacement function of residual hydrogen in the hydrogen combustor in the shutdown state of the lithium bromide unit is realized, and the problem of explosion risk caused by hydrogen-containing explosive mixed gas generated in the hydrogen combustor in the shutdown state of the lithium bromide unit is avoided;
(2) the automation of nitrogen gas filling is realized, start and stop through lithium bromide unit provides opening and closing signal and gives the pressure regulating pilot valve, realizes the regulation of pneumatic valve, makes the hydrogen replacement process more intelligent.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: the device comprises a main gas pipeline 1, a hearth 2, a flue 3, a nitrogen pipeline 4, a nitrogen pressure gauge 5, a nitrogen manual ball valve 6, a pneumatic valve 7, a compressed air pipeline 8, a compressed air pressure gauge 9, a pressure regulating pilot valve 10, a compressed air manual ball valve 11, a liquid separating tank 12, a compressor 13, an air guide pipe 14, a nitrogen return pipe 15, a hydrogen discharge pipe 16 and a three-way regulating valve 17.
Detailed Description
As in figure 1, an automatic nitrogen charging system for a hydrogen combustor in a lithium bromide unit comprises a hearth 2, two ends of the hearth 2 are respectively connected with a main gas pipeline 1 and a flue 3, the main gas pipeline 1 is connected to a pneumatic valve 7, the pneumatic valve 7 is a two-position three-way pneumatic valve, the pneumatic valve 7 is further connected with a nitrogen pipeline 4 and a compressed air pipeline 8, the nitrogen pipeline 4 is provided with a nitrogen pressure gauge 5 and a manual ball valve 6 for nitrogen, and the compressed air pipeline 8 is provided with a manual ball valve 9 for compressed air and a manual ball valve 11 for compressed air.
In a preferred scheme, a pressure regulating pilot valve 10 is further arranged on the compressed air pipeline 8.
In the preferred scheme, the flue 3 is connected to a compressor 13, the output end of the compressor 13 is connected with a liquid separation tank 12 through a pipeline, the top of the liquid separation tank 12 is provided with a gas guide pipe 14, the gas guide pipe 14 is connected to a nitrogen return pipe 15, and the nitrogen return pipe 15 is connected to a nitrogen pipeline 4.
In a preferable scheme, a hydrogen gas discharge pipe 16 is arranged at the connection point of the air duct 14 and the nitrogen gas return pipe 15, and a three-way regulating valve 17 is arranged at the connection position of the air duct 14, the nitrogen gas return pipe 15 and the hydrogen gas discharge pipe 16.
The principle of the system is as follows:
as shown in figure 1, the nitrogen pipeline 4 is accessed from a factory production interface, the nitrogen pipeline 4 is provided with a nitrogen pressure gauge 5 and a nitrogen manual ball valve 6, and the nitrogen pressure gauge 5 and the nitrogen manual ball valve 6 can monitor the nitrogen pressure and manually cut off so as to conveniently overhaul the nitrogen pipeline 4.
The compressed air pipeline 8 is provided with a compressed air pressure gauge 9 and a compressed air manual ball valve 11, the compressed air pressure gauge and the compressed air manual ball valve are used for providing an on-off air source for the pneumatic valve 7, an on-off signal is provided for the pressure regulating pilot valve 10 to drive the pneumatic valve 7 by the lithium bromide unit, the pneumatic valve 7 can be closed when the unit is started, and the pneumatic valve 7 is opened when the unit is standby and stopped, so that nitrogen can replace residual hydrogen possibly existing in the main gas pipeline 1, the hearth 2 and the flue 3.
The replaced hydrogen-containing nitrogen is introduced into the liquid separation tank 12, is liquefied after being pressurized and cooled, and is subsequently decompressed and heated because the boiling point of the nitrogen is higher than that of the hydrogen, the hydrogen is firstly gasified and escapes from the gas guide tube 14, and is discharged through the hydrogen discharge tube 16 and then collected, and the nitrogen escapes from the gas guide tube 14 in the subsequent gasification process and flows back to the nitrogen pipeline 4 through the nitrogen return tube 15 to be reused.
Claims (4)
1. The utility model provides an automatic nitrogen charging system for hydrogen combustor among lithium bromide unit, includes furnace (2), its characterized in that: furnace (2) both ends be connected with main gas pipeline (1) and flue (3) respectively, main gas pipeline (1) is connected to on pneumatic valve (7), pneumatic valve (7) are two three-way pneumatic valves, still be connected with nitrogen gas pipeline (4) and compressed air pipeline (8) on pneumatic valve (7), be equipped with nitrogen gas manometer (5) and nitrogen gas manual ball valve (6) on nitrogen gas pipeline (4), be equipped with compressed air manometer (9) and compressed air manual ball valve (11) on compressed air pipeline (8).
2. The automatic nitrogen charging system for the hydrogen burner in the lithium bromide unit as claimed in claim 1, characterized in that: the compressed air pipeline (8) is also provided with a pressure regulating pilot valve (10).
3. The automatic nitrogen charging system for the hydrogen burner in the lithium bromide unit as claimed in claim 1, characterized in that: flue (3) be connected to compressor (13), compressor (13) output passes through the pipeline and is connected with knockout drum (12), knockout drum (12) top is equipped with air duct (14), air duct (14) are connected to on nitrogen gas back flow (15), nitrogen gas back flow (15) are connected to on nitrogen gas pipeline (4).
4. The automatic nitrogen charging system for the hydrogen burner in the lithium bromide unit as claimed in claim 3, characterized in that: and a hydrogen discharge pipe (16) is arranged at the connecting point of the air guide pipe (14) and the nitrogen return pipe (15), and a three-way regulating valve (17) is arranged at the connecting position of the air guide pipe (14), the nitrogen return pipe (15) and the hydrogen discharge pipe (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022327036.4U CN213576814U (en) | 2020-10-19 | 2020-10-19 | Automatic nitrogen charging system for hydrogen combustor in lithium bromide unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022327036.4U CN213576814U (en) | 2020-10-19 | 2020-10-19 | Automatic nitrogen charging system for hydrogen combustor in lithium bromide unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213576814U true CN213576814U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022327036.4U Active CN213576814U (en) | 2020-10-19 | 2020-10-19 | Automatic nitrogen charging system for hydrogen combustor in lithium bromide unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213576814U (en) |
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2020
- 2020-10-19 CN CN202022327036.4U patent/CN213576814U/en active Active
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