CN208500349U - The inverse put gas recovering device of pressure swing adsorption hydrogen production - Google Patents
The inverse put gas recovering device of pressure swing adsorption hydrogen production Download PDFInfo
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- CN208500349U CN208500349U CN201821089158.0U CN201821089158U CN208500349U CN 208500349 U CN208500349 U CN 208500349U CN 201821089158 U CN201821089158 U CN 201821089158U CN 208500349 U CN208500349 U CN 208500349U
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- hydrogen production
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Abstract
The utility model relates to natural gas hydrogen preparation technical fields, it is a kind of inverse put gas recovering device of pressure swing adsorption hydrogen production, it includes reverse gas surge tank, tail gas buffer, the utility model is at refining hydrogen under variable pressure reverse gas evacuation port, stop valve is set, the reverse gas emptying of pressure swing adsorption hydrogen production is switched in reverse gas surge tank, pressure is adjusted by newly-increased roots blower, by in the pneumatic transmission in reverse gas surge tank to natural gas hydrogen preparation burning conversion furnace, the energy is provided for it.The utility model reasonable and compact in structure, it is easy to use, it is for the first time by the reverse gas of pressure swing adsorption hydrogen production, it is sent into the burning of natural gas hydrogen preparation reburner, realize the purpose of VCM rectification tail gas zero-emission, the utility model relates to, on the one hand environmental pollution caused by the reverse gas emptying of pressure swing adsorption hydrogen production is solved the problems, such as, on the other hand, using exhaust gas as fuel, reduce the consumption of natural gas in natural gas hydrogen production plant, reduces the waste of resource, production cost has been saved, has been had the characteristics that safe, laborsaving, easy, efficient.
Description
Technical field
The utility model relates to natural gas hydrogen preparation technical fields, are a kind of inverse put gas recovering devices of pressure swing adsorption hydrogen production.
Background technique
In course of production of chloroethylene, the tail gas of distillation system recycles acetylene gas contained in tail gas by pressure-variable adsorption
Body and vinyl chloride gas, remaining gas enters pressure swing adsorption hydrogen production device recycling hydrogen, and the hydrogen of recycling is sent to electrolysis vehicle
Between be used for synthesizing chlorinated hydrogen.Currently, pressure swing adsorption hydrogen production device during inverse put, will contain while generating hydrogen
There is the reverse gas of the gases such as acetylene, vinyl chloride, hydrogen, nitrogen to be discharged into atmosphere, protocercal tail arranges vinyl chloride gas, that is, VC row of mouth
Index request VCM rectification last row gas < 36mg/m3 is put, new environmental emission standard, VC will be come into effect in July, 2018
Discharge index requires VCM rectification last row gas < 10mg/m3, the pressure-variable adsorption and pressure swing adsorption hydrogen production device of most of producers
Processing capacity is unable to reach new discharge standard.Meanwhile vinyl chloride gas is noxious material, is discharged into atmosphere and will cause environment dirt
Dye, and reverse gas and air will form explosive mixture, be continuously discharged into outdoor, it is easy to cause evacuated tube to catch fire, bring
At this moment security risk is needed to consume nitrogen and be protected to evacuated tube, will increase the consumption of nitrogen in this way, increases production cost.
Meanwhile a large amount of hydrogen, acetylene, vinyl chloride belong to fuel gas in reverse gas, are emitted into atmosphere and cause available energy
Waste.
Utility model content
The utility model provides a kind of inverse put gas recovering device of pressure swing adsorption hydrogen production, overcome the above-mentioned prior art it
Deficiency can effectively solve asking for environmental pollution and the wasting of resources caused by the existing emptying there are the reverse gas of pressure swing adsorption hydrogen production
Topic.
The technical solution of the utility model is realized by following measures: a kind of reverse gas of pressure swing adsorption hydrogen production time
Receiving apparatus, including reverse gas surge tank, tail gas buffer, reverse gas surge tank be disposed with from bottom to top the second inlet end,
First inlet end, outlet side are communicated with the second admission line, the second admission line and the second evacuated tube in the fixation of the second inlet end
Line is connected, and is communicated with the first admission line in the fixation of the first inlet end, and the first admission line is connected with the first vent line,
The outlet side of reverse gas surge tank is connected to the inlet end of tail gas buffer by the first outlet line stationary phase, the first escape pipe
Roots blower is fixedly installed on line, the outlet side fixation at the top of tail gas buffer is communicated with the second outlet line.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
It is fixedly installed with the second stop valve on above-mentioned first admission line, first is fixedly installed on the first vent line and is cut
Disconnected valve.
It is fixedly installed with the 4th stop valve on above-mentioned second admission line, is fixedly installed with third on the second vent line and cuts
Disconnected valve.
The 5th is fixedly installed on the first outlet line between above-mentioned roots blower and the inlet end of tail gas buffer to cut
Disconnected valve.
Pressure-regulating valve is fixedly installed on the first outlet line between the inlet and outlet of above-mentioned roots blower.
The utility model reasonable and compact in structure, it is easy to use, for the first time by the reverse gas of pressure swing adsorption hydrogen production, it is sent into day
Right gas hydrogen manufacturing conversion furnace burning, realizes the purpose of VCM rectification tail gas zero-emission, on the one hand which solves change
On the other hand the problem of pressing environmental pollution caused by the reverse gas emptying of Adsorption Hydrogen using exhaust gas as fuel, reduces natural
The consumption of natural gas in gas device for producing hydrogen, reduces the waste of resource, has saved production cost, have it is safe, laborsaving, easy,
Efficient feature.
Detailed description of the invention
Attached drawing 1 is the process flow diagram of the utility model.
Coding in attached drawing is respectively as follows: 1 for reverse gas surge tank, and 2 be tail gas buffer, and 3 be roots blower, and 4 be first
Admission line, 5 be the second admission line, and 6 be the first outlet line, and 7 be the second outlet line, and 8 be the first stop valve, and 9 be the
Two stop valves, 10 be third stop valve, and 11 be the 4th stop valve, and 12 be the 5th stop valve, 13 is pressure-regulating valve, 14 is first
Vent line, 15 be the second vent line, and 16 be the first pressure swing adsorption hydrogen production device, and 17 be the second pressure swing adsorption hydrogen production device,
18 be natural gas hydrogen preparation reburner.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode of attached drawing 1 is described, such as: front, rear, top, and bottom, left and right positional relationship be according to Figure of description 1
Butut direction determine.
The utility model is further described below with reference to examples and drawings:
As shown in Fig. 1, the inverse put gas recovering device of the pressure swing adsorption hydrogen production, including reverse gas surge tank 1, tail gas buffering
Tank 2, reverse gas surge tank 1 is disposed with the second inlet end, the first inlet end, outlet side from bottom to top, in the second inlet end
Fixation is communicated with the second admission line 5, and the second admission line 5 is connected with the second vent line 15, fixes in the first inlet end
It is communicated with the first admission line 4, the first admission line 4 is connected with the first vent line 14, the outlet side of reverse gas surge tank 1
It is connected to the inlet end of tail gas buffer 2 by 6 stationary phase of the first outlet line, is fixedly installed with sieve on the first outlet line 6
The outlet side fixation of thatch blower 3,2 top of tail gas buffer is communicated with the second outlet line 7.
Can the inverse put gas recovering device of above-mentioned pressure swing adsorption hydrogen production be advanced optimized or/and be changed according to actual needs
Into:
As shown in Fig. 1, it is fixedly installed with the second stop valve 9 on the first admission line 4, is fixed on the first vent line 14
First stop valve 8 is installed.
As shown in Fig. 1, it is fixedly installed with the 4th stop valve 11 on the second admission line 5, consolidates on the second vent line 15
Dingan County is equipped with third stop valve 10.
The purpose of first stop valve 8, the second stop valve 9, third stop valve 10, the 4th stop valve 11 is set, in urgent feelings
Under condition, by the reverse gas of the first pressure swing adsorption hydrogen production device 16 and the second pressure swing adsorption hydrogen production device 17 by being sent to reverse gas buffering
The state of tank 1 switches to emptying state at any time.
As shown in Fig. 1, fixed peace on the first outlet line 6 between roots blower 3 and the inlet end of tail gas buffer 2
Equipped with the 5th stop valve 12.
As shown in Fig. 1, pressure adjusting is fixedly installed on the first outlet line 6 between the inlet and outlet of roots blower 3
Valve 13.
The pressure for carrying out regulating valve 13 by adjusting 3 outlet pressure of roots blower, by the inverse put pneumatic transmission in reverse gas surge tank 1
Into natural gas hydrogen preparation combustion furnace, the energy is provided for reburner burning.
According to actual needs, 3 outlet pressure of roots blower is 0.03MPa to 0.07MPa.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
The use process of the best embodiment of the utility model: when opening the second stop valve 9, simultaneously closing off the first stop valve 8,
The reverse gas of first pressure swing adsorption hydrogen production device 16 enters reverse gas surge tank 1, reverse gas by the recycling of the first admission line 4
Reverse gas, by the first outlet line 6, is sent into tail gas after by 3 adherence pressure of roots blower by the reverse gas in surge tank 1
In surge tank 2, the reverse gas in tail gas buffer 2 burns by the second outlet line 7 into natural gas hydrogen preparation reburner 18,
When opening the first stop valve 8, the second stop valve 9 is simultaneously closed off, the reverse gas of the first pressure swing adsorption hydrogen production device 16 passes through first
Vent line 14 is emptied；When opening the 4th stop valve 11, third stop valve 10, the second pressure swing adsorption hydrogen production dress are simultaneously closed off
The reverse gas for setting 17 enters reverse gas surge tank 1 by the recycling of the second admission line 5, the reverse gas in reverse gas surge tank 1,
After by 3 adherence pressure of roots blower, by the first outlet line 6, reverse gas is sent into tail gas buffer 2, tail gas buffering
Reverse gas in tank 2 burns by the second outlet line 7 into natural gas hydrogen preparation reburner 18, when opening third stop valve
10, the 4th stop valve 11 is simultaneously closed off, the reverse gas of the second pressure swing adsorption hydrogen production device 17 is carried out by the second vent line 15
Emptying.
Claims (8)
1. a kind of inverse put gas recovering device of pressure swing adsorption hydrogen production, it is characterised in that including reverse gas surge tank, tail gas buffer,
Reverse gas surge tank is disposed with the second inlet end, the first inlet end, outlet side from bottom to top, in the fixed company of the second inlet end
It is connected with the second admission line, the second admission line is connected with the second vent line, is communicated with first in the fixation of the first inlet end
Admission line, the first admission line are connected with the first vent line, the outlet side of reverse gas surge tank and tail gas buffer
Inlet end is connected to by the first outlet line stationary phase, is fixedly installed with roots blower, tail gas buffer on the first outlet line
The outlet side fixation at top is communicated with the second outlet line.
2. the inverse put gas recovering device of pressure swing adsorption hydrogen production according to claim 1, it is characterised in that the first admission line
On be fixedly installed with the second stop valve, the first stop valve is fixedly installed on the first vent line.
3. the inverse put gas recovering device of pressure swing adsorption hydrogen production according to claim 1 or 2, it is characterised in that the second air inlet pipe
It is fixedly installed with the 4th stop valve on line, third stop valve is fixedly installed on the second vent line.
4. the inverse put gas recovering device of pressure swing adsorption hydrogen production according to claim 1 or 2, it is characterised in that roots blower with
The 5th stop valve is fixedly installed on the first outlet line between the inlet end of tail gas buffer.
5. the inverse put gas recovering device of pressure swing adsorption hydrogen production according to claim 3, it is characterised in that roots blower and tail
The 5th stop valve is fixedly installed on the first outlet line between the inlet end of gas surge tank.
6. the inverse put gas recovering device of pressure swing adsorption hydrogen production described according to claim 1 or 2 or 5, it is characterised in that Luo Cifeng
Pressure-regulating valve is fixedly installed on the first outlet line between the inlet and outlet of machine.
7. the inverse put gas recovering device of pressure swing adsorption hydrogen production according to claim 3, it is characterised in that roots blower into
Pressure-regulating valve is fixedly installed on the first outlet line between outlet.
8. the inverse put gas recovering device of pressure swing adsorption hydrogen production according to claim 4, it is characterised in that roots blower into
Pressure-regulating valve is fixedly installed on the first outlet line between outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089158.0U CN208500349U (en) | 2018-07-10 | 2018-07-10 | The inverse put gas recovering device of pressure swing adsorption hydrogen production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821089158.0U CN208500349U (en) | 2018-07-10 | 2018-07-10 | The inverse put gas recovering device of pressure swing adsorption hydrogen production |
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| Publication Number | Publication Date |
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| CN208500349U true CN208500349U (en) | 2019-02-15 |
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| CN201821089158.0U Active CN208500349U (en) | 2018-07-10 | 2018-07-10 | The inverse put gas recovering device of pressure swing adsorption hydrogen production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773832A (en) * | 2018-07-10 | 2018-11-09 | 新疆华泰重化工有限责任公司 | The inverse put gas recovering device and its application method of pressure swing adsorption hydrogen production |
-
2018
- 2018-07-10 CN CN201821089158.0U patent/CN208500349U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773832A (en) * | 2018-07-10 | 2018-11-09 | 新疆华泰重化工有限责任公司 | The inverse put gas recovering device and its application method of pressure swing adsorption hydrogen production |
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