CN205227345U - Cold torch of saving sweeps HYCO system of nitrogen gas - Google Patents
Cold torch of saving sweeps HYCO system of nitrogen gas Download PDFInfo
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- CN205227345U CN205227345U CN201520956464.XU CN201520956464U CN205227345U CN 205227345 U CN205227345 U CN 205227345U CN 201520956464 U CN201520956464 U CN 201520956464U CN 205227345 U CN205227345 U CN 205227345U
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- nitrogen
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Abstract
The utility model relates to a cold torch of saving sweeps HYCO system of nitrogen gas, including liquid nitrogen container, synthetic gas separator and torch, the liquid nitrogen container bottom is equipped with the circulating line, and pipeline exit end and torch pipeline connection empty the liquid nitrogen in the torch, and synthetic gas separator channels into the vaporization of low temperature liquid phase material and burns in the torch through export pipeline. Compared with the prior art, the utility model discloses have fine energy saving and consumption reduction's effect, can need not reform transform in the time of parkking in process units construction in service to nitrogen gas has been reduced to atmospheric pollution.
Description
Technical field
The utility model relates to a kind of HYCO system, especially relates to a kind of HYCO system of saving cold torch purging nitrogen.
Background technology
HYCO device utilizes cold separation technology by raw material for carbon monoxide in synthesis gas and hydrogen are cooled to-180 DEG C (liquid state) by decompressor, progressively different with the boiling point of hydrogen by carbon monoxide, carbon monoxide and hydrogen are become gaseous state, generates product.Because HYCO device exists a large amount of low temperature liquid phase materials, therefore need a torch to discharge a large amount of cryogenic liquids, first need vaporization and then gaseous state is entered to torch burning, the gaseous state that may there is end due to pipeline before entering torch is not easy to enter flare system, devises purge nitrogen and ensure that pipeline all can enter torch burning before torch in order to ensure process safety.
Utility model content
The purpose of this utility model is exactly provide a kind of save energy and reduce the cost to overcome defect that above-mentioned prior art exists, decrease the HYCO system that the cold torch of the saving of nitrogen to atmosphere pollution purges nitrogen.
The purpose of this utility model can be achieved through the following technical solutions:
Save the HYCO system that cold torch purges nitrogen, comprise liquid nitrogen container, synthesis gas separator and torch,
Be provided with circulating line bottom described liquid nitrogen container, pipe outlet is connected with flare line, and by liquid nitrogen emptying in torch, described synthesis gas separator, by low temperature liquid phase vaporized species, imports in torch through outlet conduit and burns.
Described circulating line is also connected with emptying section, and this pipeline of emptying section is provided with valve.
Described circulating line is provided with the hand valve controlling liquid nitrogen flow.
The outlet conduit of described synthesis gas separator and flare line UNICOM.
Described flare line is provided with flowmeter, and monitoring circulating line imports liquid nitrogen flow.
Described torch is provided with torch burning feed channel.
Compared with prior art, the utility model has the following advantages:
(1) native system has well energy-saving and cost-reducing effect.
(2) native system can be constructed in process unit runs, and does not need the time transformation of stopping.
(3) native system decreases the pollution of nitrogen to air.
(4) native system saves the expense of nitrogen, and liquid nitrogen must consume, therefore provides cost savings.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1-liquid nitrogen container, 2-synthesis gas separator, 3-circulating line, 4-exhaust-valve, 5-hand valve, 6-flare line, 7-flowmeter, 8-outlet conduit, 9-torch, 10-combustion gas pipeline.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment 1
A kind of HYCO system of saving cold torch purging nitrogen, its structure as shown in Figure 1, comprise liquid nitrogen container 1, synthesis gas separator 2 and torch 9, circulating line 3 is provided with bottom liquid nitrogen container 1, pipe outlet is connected with flare line 6, by liquid nitrogen emptying in torch 9, flare line 6 is provided with flowmeter 7, and monitoring circulating line imports liquid nitrogen flow.Synthesis gas separator 2 is by low temperature liquid phase vaporized species, such as can burn importing in torch 9 through outlet conduit 8 after the vaporizations such as carbon monoxide, methane, hydrogen, wherein, outlet conduit 8 by with flare line 6 UNICOM, above-mentioned gas is imported in torch 9.Also be connected with emptying section at circulating line 3, this pipeline of emptying section is provided with exhaust-valve 4, in addition circulating line 3 is also provided with the hand valve 5 controlling liquid nitrogen flow.Torch 9 is provided with torch burning feed channel 10 and imports burning gases.
Embodiment 2
Utilize said system to save the cold torch of HYCO device and purge nitrogen.
The former purging nitrogen of original flare line is from client.The combustion gas of torch is CO54%, H
2the synthesis gas of 45% (volume fraction).Need when transforming when liquid nitrogen stops emptying, and transform when isolation, welding.Method needs to be implemented when liquid nitrogen vaporization amount is greater than original purging nitrogen.
Method of operating after having transformed:
1, the liquid nitrogen emptying of standard-sized sheet synthesis gas separator is to the hand valve of cold torch, observes the flow of flowmeter at 15Nm
3/ h.
The exhaust-valve of 2 closedown liquid nitrogen emptying.
3 close the hand valve from the nitrogen of client.
4 are increased to 50Nm rapidly by flowmeter observation nitrogen flow and original nitrogen flow
3about/h.
5 utilize the fray-out of flame of altar lamp pipeline.
6 altar lamp pipeline igniting again, need the hand valve opening readjusted on circulating line, and exhaust-valve is crack.
7 treat that flowmeter display is close with original nitrogen flow, and flare is stablized.
Embodiment 3
Utilize said system to save the cold torch of HYCO device and purge nitrogen.
The former purging nitrogen of original flare line is from client.The combustion gas of torch is CO54%, H
2the synthesis gas of 45% (volume fraction).Need when transforming when liquid nitrogen stops emptying, and transform when isolation, welding.Method needs to be implemented when liquid nitrogen vaporization amount is greater than original purging nitrogen.
Method of operating after having transformed:
The 1 liquid nitrogen emptying of opening synthesis gas separator is to the hand valve of cold torch.
The exhaust-valve of 2 liquid nitrogen emptying maintains standard-sized sheet.
The 3 hand valves of slowly closing the nitrogen from client.
4 observe nitrogen flow by flowmeter is less than original nitrogen flow.
The low warning of 5 nitrogen flow.
The carbon monoxide of 6 flare lines and hydrogen purge are not thorough.
Embodiment 4
Utilize said system to save the cold torch of HYCO device and purge nitrogen.
The former purging nitrogen of original flare line is from client.The combustion gas of torch is CO54%, H
2the synthesis gas of 45% (volume fraction).Need when transforming when liquid nitrogen stops emptying, and transform when isolation, welding.Method needs to be implemented when liquid nitrogen vaporization amount is greater than original purging nitrogen.
Method of operating after having transformed:
The exhaust-valve of 1 closedown liquid nitrogen emptying.
2 newly-increased line pressures raise rapidly, open rapidly the hand valve of liquid nitrogen emptying to cold torch of synthesis gas separator.
The 3 hand valves of slowly closing the nitrogen from client.
4 observe nitrogen flow by flowmeter is greater than rapidly original nitrogen flow.
Whether 5 utilize altar lamp pipeline flame to observe nitrogen flow causes altar lamp flame to diminish.
6 find fray-out of flame, need the hand valve opening readjusted on circulating line, and exhaust-valve is crack.
7 treat that flowmeter display is close with original nitrogen flow.
8 maintain valve opening and the newly-increased pipeline that comes into operation.
Claims (6)
1. save the HYCO system that cold torch purges nitrogen, it is characterized in that, this system comprises liquid nitrogen container, synthesis gas separator and torch,
Be provided with circulating line bottom described liquid nitrogen container, pipe outlet is connected with flare line, and by liquid nitrogen emptying in torch, described synthesis gas separator, by low temperature liquid phase vaporized species, imports in torch through outlet conduit and burns.
2. a kind of HYCO system of saving cold torch purging nitrogen according to claim 1, it is characterized in that, described circulating line is also connected with emptying section, and this pipeline of emptying section is provided with valve.
3. a kind of HYCO system of saving cold torch purging nitrogen according to claim 1, it is characterized in that, described circulating line is provided with the hand valve controlling liquid nitrogen flow.
4. a kind of HYCO system of saving cold torch purging nitrogen according to claim 1, is characterized in that, the outlet conduit of described synthesis gas separator and flare line UNICOM.
5. a kind of HYCO system of saving cold torch purging nitrogen according to claim 1, it is characterized in that, described flare line is provided with flowmeter, and monitoring circulating line imports liquid nitrogen flow.
6. a kind of HYCO system of saving cold torch purging nitrogen according to claim 1, it is characterized in that, described torch is provided with torch burning feed channel.
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CN201520956464.XU CN205227345U (en) | 2015-11-26 | 2015-11-26 | Cold torch of saving sweeps HYCO system of nitrogen gas |
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CN201520956464.XU CN205227345U (en) | 2015-11-26 | 2015-11-26 | Cold torch of saving sweeps HYCO system of nitrogen gas |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106801878A (en) * | 2015-11-26 | 2017-06-06 | 上海华林工业气体有限公司 | It is a kind of to save the HYCO systems that cold torch purges nitrogen |
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2015
- 2015-11-26 CN CN201520956464.XU patent/CN205227345U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106801878A (en) * | 2015-11-26 | 2017-06-06 | 上海华林工业气体有限公司 | It is a kind of to save the HYCO systems that cold torch purges nitrogen |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20201126 |