CN207158782U - Hydrogen cleaning temperature swing absorption unit - Google Patents
Hydrogen cleaning temperature swing absorption unit Download PDFInfo
- Publication number
- CN207158782U CN207158782U CN201721123121.0U CN201721123121U CN207158782U CN 207158782 U CN207158782 U CN 207158782U CN 201721123121 U CN201721123121 U CN 201721123121U CN 207158782 U CN207158782 U CN 207158782U
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- Prior art keywords
- adsorption tower
- parallel
- gas
- pipeline
- hydrogen
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 30
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 30
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 14
- 238000004140 cleaning Methods 0.000 title claims abstract description 14
- 238000001179 sorption measurement Methods 0.000 claims abstract description 51
- 239000007789 gas Substances 0.000 claims abstract description 50
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000007664 blowing Methods 0.000 claims abstract description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 13
- 230000008929 regeneration Effects 0.000 claims description 9
- 238000011069 regeneration method Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 abstract description 6
- 238000006356 dehydrogenation reaction Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 239000003463 adsorbent Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
Landscapes
- Separation Of Gases By Adsorption (AREA)
Abstract
Cyclohexanol dehydrogenation hydrogen cleaning field is the utility model is related to, specifically a kind of hydrogen cleaning temperature swing absorption unit.Including gas separator, the first adsorption tower, the second adsorption tower and the 3rd adsorption tower being connected to by air inlet pipeline in parallel on gas separator gas outlet, the outlet pipe in parallel being connected on the first adsorption tower, the second adsorption tower and the 3rd adsorption tower gas outlet.The utility model changes the source of the gas for the process of blowing off, and unstripped gas is in pressure 0.61MPa after change（G）, under 20 DEG C of operating conditions of temperature.6300Nm3The product hydrogen of/h unstripped gas recovery is 6276.79 Nm3/ h, more intrinsic 5971.766Nm3/ h, the Nm of hydrogen 305 can be saved3/ h, consumption nitrogen are 1580 Nm3/ h, according to 1 yuan/Nm of hydrogen price3, 0.1 yuan/Nm of nitrogen price3Estimation, it is annual cost-effective 117.62 ten thousand yuan.
Description
Technical field
Cyclohexanol dehydrogenation hydrogen cleaning field is the utility model is related to, specifically a kind of hydrogen cleaning temperature swing absorption unit.
Background technology
Hydrogen purification device principle is temperature swing adsorption system, and system is mainly by three TSA adsorption towers（First adsorption tower 2, the
Two adsorption towers 3 and the 3rd adsorption tower 4）, 5, gas-liquid separators 1 of regeneration hot-air heater and corresponding sequencing valve composition.
Unstripped gas is in pressure 0.61MPa（G）, 20 DEG C of temperature enter gas-liquid separators 1.Counted according to Design cooling load 100%, 6300Nm3/h is former
Expect that the yield of gas is more than 95%, the product hydrogen of recovery is about 5971.766Nm3/h.
The TSA purification courses of work include the processes such as absorption, inverse put, hot blow, cold blowing；Main flow is first through gas-liquid separation
Device 1 removes mechanical drop entrained in unstripped gas, subsequently into TSA cleaning systems, in adsorption tower, weakly stable component H2Make
Exported for product gas, the strong adsorbent component such as cyclohexanol, cyclohexanone and other organic matters and water is adsorbed, and passes through hot blow, cold blowing etc.
Step desorbs, and workshop section is as raw material after obtained stripping gas is sent into after overcompression.
Specifically used step is（As shown in Figure 2）：Unstripped gas removes entrained in unstripped gas through gas-liquid separator 1 first
Mechanical drop, subsequently into a certain adsorption tower（First adsorption tower 2 as depicted）, weakly stable component H2It is defeated as product gas
Go out, the strong adsorbent component such as cyclohexanol, cyclohexanone and other organic matters and water is adsorbed by the adsorption tower, the H as product gas2By
Workshop section is as raw material after being sent into after compression.H as product gas2By cold blowing pipeline 6 in two other adsorption tower wherein
One adsorption tower（Second adsorption tower 3 as depicted）Regeneration hot-air heater 5 is entered back into after carrying out inverse put, cold blowing, is reproduced gas
The H with strong adsorbent component that heater 5 heats2Into hot blow pipeline 7, the hot gas in hot blow pipeline 7 is inhaled into last
Attached tower（3rd adsorption tower 4 as depicted）Hot blow is carried out, the gas come out by last adsorption tower is vented by torch.
In above-mentioned steps, hot blow, the current technological design of cold blowing are to be discharged into torch after being purged with hydrogen, are used per hour
Pure hydrogen about 318.287Nm3 is as resolution gas（Purge gass）.
Utility model content
The problems such as the utility model is in order to solve to consume hydrogen height existing for existing hydrogen purification device, cost is high, there is provided one
Kind hydrogen cleaning temperature swing absorption unit.
The utility model is achieved through the following technical solutions：Hydrogen cleaning temperature swing absorption unit, including gas separation
Device, the first adsorption tower, the second adsorption tower and the 3rd being connected to by air inlet pipeline in parallel on gas separator gas outlet
Adsorption tower, the outlet pipe in parallel being connected on the first adsorption tower, the second adsorption tower and the 3rd adsorption tower gas outlet are in parallel
Each branch road of outlet pipe is connected to outlet after converging, and the branch road of each air inlet pipeline in parallel heats air inlet pipe by parallel connection respectively
Road is connected on regeneration hot-air heater, and the branch road of each air inlet pipeline in parallel is connected to torch by parallel connection burning pipeline respectively,
The gas outlet of regeneration hot-air heater is connected with each branch road of outlet pipe in parallel respectively by hot blow pipeline, outlet pipe in parallel
Each branch road be connected to respectively by connecting pipeline on cold blowing pipeline, the air inlet of cold blowing pipeline is connected on nitrogen pipeline.
Hydrogen cleaning temperature swing absorption unit described in the utility model, change the source of the gas for the process of blowing off, raw material after change
Gas is in pressure 0.61MPa（G）, under 20 DEG C of operating conditions of temperature.6300Nm3The product hydrogen of/h unstripped gas recovery is 6276.79
Nm3/ h, more intrinsic 5971.766Nm3/ h, the Nm of hydrogen 305 can be saved3/ h, consumption nitrogen are 1580 Nm3/ h, according to hydrogen
1 yuan/Nm of gas price lattice3, 0.1 yuan/Nm of nitrogen price3Estimation, it is annual cost-effective 117.62 ten thousand yuan.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of existing hydrogen purification device.
Fig. 2 is the process for using figure of existing hydrogen purification device.
Fig. 3 is the structural representation of hydrogen cleaning temperature swing absorption unit described in the utility model.
In figure：1- gas separators, the adsorption towers of 2- first, the adsorption towers of 3- second, the adsorption towers of 4- the 3rd, the heating of 5- regeneration gases
Device, 6- cold blowing pipelines, 7- hot blow pipelines, 8- parallel connection air inlet pipelines, 9- parallel connection outlet pipes, 10- heating air inlet pipelines in parallel,
11- connecting pipelines, 12- nitrogen pipelines, 13- burning pipelines in parallel.
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer
Scheme is described in detail.Obviously, described embodiment is only the utility model part of the embodiment, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Resulting all other embodiment is put, belongs to the scope that the utility model is protected.
The technical solution of the utility model is described in detail below in conjunction with the accompanying drawings.
Hydrogen cleaning temperature swing absorption unit, including gas separator 1, gas is connected to by air inlet pipeline 8 in parallel
The first adsorption tower 2, the second adsorption tower 3 and the 3rd adsorption tower 4 on the gas outlet of separator 1, be connected to the first adsorption tower 2,
Outlet pipe in parallel 9 on second adsorption tower 3 and the gas outlet of the 3rd adsorption tower 4, each branch road of outlet pipe 9 in parallel connect after converging
Outlet is connected to, the branch road of each air inlet pipeline 8 in parallel is connected to regeneration hot-air heater 5 by parallel connection heating air inlet pipeline 10 respectively
On, the branch road of each air inlet pipeline 8 in parallel is connected to torch by parallel connection burning pipeline 13 respectively, and regeneration hot-air heater 5 goes out
Gas port is connected by each branch road of the hot blow pipeline 7 respectively with outlet pipe 9 in parallel, each branch road difference of outlet pipe 9 in parallel
It is connected to by connecting pipeline 11 on cold blowing pipeline 6, the air inlet of cold blowing pipeline 6 is connected on nitrogen pipeline 12.
When specifically used, hydrogen is in pressure 0.61MPa caused by cyclohexanol dehydrogenation reaction（G）, 20 DEG C of temperature when enter this
Utility model, the purification course of work include the processes such as absorption, inverse put, hot blow, cold blowing.Three adsorption towers in processing procedure（TSA）
It is respectively at the process of absorption, hot blow, cold blowing.Idiographic flow is：Machine entrained in unstripped gas is removed by gas-liquid separator 1
Tool drop, subsequently into a certain adsorption tower（First adsorption tower 2 as shown in Figure 3）, weakly stable component H2It is defeated as product gas
Go out, the strong adsorbent component such as cyclohexanol, cyclohexanone and other organic matters and water is adsorbed by the adsorption tower, the H as product gas2By
Hydrogen peroxide is sent into after dehydrogenation compressor three stage compression as raw material.Nitrogen in nitrogen pipeline 12 by cold blowing pipeline 6 and connects
Adapter line 11 is to one of adsorption tower in two other adsorption tower（Second adsorption tower 3 as depicted）Passed through after carrying out cold blowing
Cross heating air inlet pipe 10 in parallel and enter back into regeneration hot-air heater 5, be reproduced the nitrogen with strong adsorbent component of the heating of hot-air heater 5
Gas enters hot blow pipeline 7, and the hot gas in hot blow pipeline 7 enters last adsorption tower（3rd adsorption tower 4 as depicted）Enter
Row hot blow, the gas come out by last adsorption tower are vented by torch.
Unstripped gas is in pressure 0.61MPa after change（G）, under 20 DEG C of operating conditions of temperature.6300Nm3The recovery of/h unstripped gas
Product hydrogen is 6276.79 Nm3/ h, more intrinsic 5971.766Nm3/ h, the Nm of hydrogen 305 can be saved3/ h, consume nitrogen
For 1580 Nm3/ h, according to 1 yuan/Nm of hydrogen price3, 0.1 yuan/Nm of nitrogen price3Estimation, it is annual cost-effective 117.62 ten thousand yuan.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.
Claims (2)
1. hydrogen cleaning temperature swing absorption unit, including gas separator（1）, pass through air inlet pipeline in parallel（8）It is connected to gas
Body separator（1）The first adsorption tower on gas outlet（2）, the second adsorption tower（3）With the 3rd adsorption tower（4）, it is connected to
One adsorption tower（2）, the second adsorption tower（3）With the 3rd adsorption tower（4）Outlet pipe in parallel on gas outlet（9）, escape pipe in parallel
Road（9）Each branch road converge after be connected to outlet, each air inlet pipeline in parallel（8）Branch road pass through heating air inlet pipe in parallel respectively
Road（10）It is connected to regeneration hot-air heater（5）On, each air inlet pipeline in parallel（8）Branch road pass through burning pipeline in parallel respectively
（13）Torch is connected to, regenerates hot-air heater（5）Gas outlet pass through hot blow pipeline（7）Respectively with outlet pipe in parallel（9）'s
Each branch road is connected, outlet pipe in parallel（9）Each branch road pass through connecting pipeline respectively（11）It is connected to cold blowing pipeline（6）On,
Characterized in that, cold blowing pipeline（6）Air inlet be connected to nitrogen pipeline（12）On.
2. hydrogen cleaning temperature swing absorption unit according to claim 1, it is characterised in that all pipelines, pipeline and pipe
Valve is in series with the branch road on road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721123121.0U CN207158782U (en) | 2017-09-04 | 2017-09-04 | Hydrogen cleaning temperature swing absorption unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721123121.0U CN207158782U (en) | 2017-09-04 | 2017-09-04 | Hydrogen cleaning temperature swing absorption unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207158782U true CN207158782U (en) | 2018-03-30 |
Family
ID=61720159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721123121.0U Active CN207158782U (en) | 2017-09-04 | 2017-09-04 | Hydrogen cleaning temperature swing absorption unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207158782U (en) |
-
2017
- 2017-09-04 CN CN201721123121.0U patent/CN207158782U/en active Active
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| GR01 | Patent grant | ||
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Effective date of registration: 20210115 Granted publication date: 20180330 |
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| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230115 Granted publication date: 20180330 |
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