CN107188176A - Carbon monoxide production technology - Google Patents
Carbon monoxide production technology Download PDFInfo
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- CN107188176A CN107188176A CN201710598059.9A CN201710598059A CN107188176A CN 107188176 A CN107188176 A CN 107188176A CN 201710598059 A CN201710598059 A CN 201710598059A CN 107188176 A CN107188176 A CN 107188176A
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- adsorption tower
- carbon monoxide
- production technology
- monoxide production
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0001—Separation or purification processing
- C01B2210/0009—Physical processing
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
- C01B2210/0051—Carbon dioxide
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
- C01B2210/0062—Water
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
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- Gas Separation By Absorption (AREA)
Abstract
The invention discloses a kind of carbon monoxide production technology, its drip irrigation device is formic acid storage tank, reactor, first-stage condenser, caustic scrubber, secondary condenser, adsorption tower, air bag, compressor and the gas cylinders group for including being sequentially connected, it is connected with supercharger, pressure-swing absorber and surge tank between air bag and compressor in turn, has reached the higher purpose of the purity of carbon monoxide.
Description
Technical field
The present invention relates to a kind of gas preparation technology, more particularly to a kind of carbon monoxide production technology.
Background technology
With developing rapidly for developing rapidly for domestic economy, particularly electronics industry and semiconductor, carbon monoxide conduct
A kind of important Organic Chemicals, sour available for alcohol is prepared, ester, aldehyde, ether amines, alkane and alkene, all kinds of homogeneous reactions catalysis
Agent, and extract high purity nickel etc..High-purity CO (CO) 99.99% is mainly used in semiconductor applications 8in (note 1in=
The etching of chip more than 25.4mm) and for medicine intermediate, Standard Gases are equipped with, CO laser, environmental monitoring
With the field such as scientific research.
Existing carbon monoxide production technology specifically refers to the patent that publication No. is CN106365164A, and it is included successively
Formic acid material storaging tank, reactor, condenser, water scrubber, caustic scrubber, acid cleaning device, adsorption tower, air bag, the film of the secondary connection of connection
Formula compressor and the special gas cylinder of carbon monoxide.The present invention also provides a kind of purity higher carbon monoxide production technology.
The content of the invention
It is an object of the invention to provide a kind of carbon monoxide production technology, its advantage is that the purity of carbon monoxide is higher.
The present invention above-mentioned technical purpose technical scheme is that：A kind of carbon monoxide produces work
Skill, including be sequentially connected formic acid storage tank, reactor, first-stage condenser, caustic scrubber, secondary condenser, air bag, compressor and
Gas cylinders group, is connected with supercharger, pressure-swing absorber and surge tank in turn between air bag and compressor, pressure-swing absorber includes inhaling
Attached tower A, adsorption tower B, respectively connection adsorption tower A and adsorption tower B air inlet pipe, respectively connection adsorption tower A and adsorption tower B go out
Intake valve B between adsorption tower B and air inlet pipe of tracheae, intake valve A of the connection between adsorption tower A and air inlet pipe, connection, even
Air outlet valve B between adsorption tower B and escape pipe of the air outlet valve A that leads between adsorption tower A and escape pipe, connection, in escape pipe
One end connection adsorption tower A and adsorption tower B regeneration pipeline, be arranged on regeneration pipeline on regenerant flow regulating valve, respectively and suction
The bleeder pipe of attached tower A and adsorption tower B connection, the vent valve A being communicated between bleeder pipe and adsorption tower A and it is communicated in bleeder pipe
Vent valve B between adsorption tower B.
By using above-mentioned technical proposal, formic acid solution enters reactor from formic acid storage tank and produces reaction generation carbon monoxide
Mixed gas, the afterwards water vapour removed in Co mixed gas by first-stage condenser tentatively, afterwards mixed gas
Caustic scrubber is entered to, carbon dioxide impurities are neutralized, the moisture taken out of in caustic scrubber is carried out into secondary condenser afterwards cold
It is solidifying to remove, air bag is entered afterwards and carries out preliminary storage；Then the gas in air bag enters to pressure-swing absorber by booster pump
In, carried out in the one of adsorption towers of adsorption tower A and adsorption tower B in use, extracting the gas of a part out to another adsorption tower
It is rinsed, the moisture that drier in tower is adsorbed is taken out of so that the drier moisture in this tower is relatively low, works as adsorption tower
It is preferable to the adsorption effect of moisture after A and adsorption tower B switchings.
Preferably, being connected with primary adsorption tower between secondary condenser and air bag.
By using above-mentioned technical proposal, primary adsorption tower in advance to the minor amount of water and impurity of carrying are adsorbed, then
By the absorption of pressure-swing absorber, adsorption effect more preferably, while the smaller burden of pressure-swing absorber.
Preferably, the carbon monoxide production technology also includes the measuring pump being connected between formic acid storage tank and reactor.
By using above-mentioned technical proposal, measuring pump more can sufficiently control the amount into reactor formic acid solution,
The abundant degree of convenient control reaction and the speed of reaction.
Preferably, being provided with communicating pipe between formic acid storage tank and reactor, the two ends of communicating pipe are respectively communicated with formic acid storage
The top of tank and reactor, vacuum-pumping tube is also communicated with the top of formic acid storage tank.
By using above-mentioned technical proposal, formic acid storage tank and reactor can be vacuumized simultaneously vacuumizing, and
And the balance of formic acid storage tank and reactor air pressure between the two can be ensured, be conducive to the charging of reactor.
Preferably, caustic scrubber includes the one-level caustic scrubber and two grades of caustic scrubbers being sequentially communicated.
By using above-mentioned technical proposal so that filtering is more abundant.
Preferably, caustic scrubber includes holding the tank body of alkali lye and alkali lye is delivered to the circulating pump sprayed at the top of tank body.
By using above-mentioned technical proposal, Co mixed gas is moved upwards after being filtered by alkali lye, is run into afterwards
The alkali lye of ejection again passes by neutralization filtering so that filtering carbon dioxide more abundant.
Preferably, caustic scrubber also includes being located at the playpipe at the top of tank body and with circulating pump connection and is connected with playpipe
And shower nozzle downward.
By using above-mentioned technical proposal, by shower nozzle so that the liquid sprayed is more disperseed, filtering effect was further put forward
Really, it is ensured that the purity of carbon monoxide.
Preferably, gas cylinders group includes at least two groups gas cylinders, and the branch road and branch road that with compressor are connected corresponding with gas cylinder
The vacuum extractor of connection and be connected on same branch road and respectively positioned at gas cylinder upstream and downstream the first control valve and
Second control valve.
By using above-mentioned technical proposal, when being filled to gas cylinder, one of which gas cylinder is first drawn into sky, Zhi Houkai
Beginning fills to this group of gas cylinder；And another set gas cylinder is vacuumized, after previous group cylinder filling is finished, next group
Gas cylinder can directly start to fill, and fill efficiency higher.
Preferably, bleeder pipe is connected with air bag.
By using above-mentioned technical proposal, the waste of gas is reduced, is also not easy to influence environment.
In summary, the invention has the advantages that：1st, the purity of carbon monoxide is higher；2nd, adsorption tower drier
Being capable of regeneration；3rd, waste and environmental pollution be cannot be easily caused；3rd, cylinder filling more rapid.
Brief description of the drawings
Fig. 1 is carbon monoxide production technological process；
Fig. 2 is pressure-swing absorber attachment structure schematic diagram；
Fig. 3 is the attachment structure schematic diagram of formic acid storage tank and reactor；
Fig. 4 is caustic scrubber structural representation；
Fig. 5 is gas cylinders group structural representation.
In figure, 01, formic acid storage tank；02nd, reactor；03rd, first-stage condenser；04th, caustic scrubber；041st, one-level caustic scrubber；
042nd, two grades of caustic scrubbers；043rd, circulating pump；044th, playpipe；045th, shower nozzle；05th, secondary condenser；06th, primary adsorption tower；07、
Air bag；08th, machine is increased；09th, pressure-swing absorber；091st, adsorption tower A；0911st, intake valve A；0912nd, vent valve A；0913rd, outlet
Valve A；092nd, adsorption tower B；0921st, intake valve B；0922nd, vent valve B；0923rd, air outlet valve B；093rd, regenerant flow regulating valve；
094th, air inlet pipe；095th, escape pipe；096th, bleeder pipe；10th, surge tank；11st, compressor；12nd, gas cylinders group；121st, branch road；122、
First control valve；123rd, the second control valve；13rd, measuring pump；14th, communicating pipe.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.Wherein identical parts identical reference
Represent.It should be noted that below in description the word "front", "rear", "left", "right", the "up" and "down" that use refer to it is attached
Direction in figure, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometric center
Direction.
As shown in figure 1, a kind of carbon monoxide production technology, including be sequentially connected formic acid storage tank 01, reactor 02, one-level
Condenser 03, caustic scrubber 04, secondary condenser 05, air bag 07, supercharger 08, pressure-swing absorber 09, surge tank 10, compressor 11
And gas cylinders group 12.
With reference to Fig. 2, pressure-swing absorber 09 includes adsorption tower A091, adsorption tower B092, air inlet pipe 094, escape pipe 095 and put
Tracheae 096, the one end of air inlet pipe 094 and supercharger 08 are connected, and the other end passes through air intake branch and adsorption tower A091 and absorption respectively
Intake valve A0911 is provided with tower B092 connections, the air intake branch between adsorption tower A091 and air inlet pipe 094, in adsorption tower
Intake valve B0921 is provided with air intake branch between B092 and air inlet pipe 094.Between bleeder pipe 096 and air intake branch respectively
Outlet branch is communicated with, vent valve A0912 is provided with the outlet branch between adsorption tower A091 and bleeder pipe 096, is being inhaled
Vent valve B0922 is provided with outlet branch between attached tower B092 and bleeder pipe 096.The one end of escape pipe 095 and surge tank 10
Connection, the other end is connected by going out gas branch pipe with adsorption tower A091 with adsorption tower B092 respectively, in adsorption tower A091 and escape pipe
Air outlet valve A0913 is provided with going out gas branch pipe between 095, in the going out gas branch pipe between adsorption tower B092 and escape pipe 095
It can be check valve to be provided with air outlet valve B0923, air outlet valve A0913 and air outlet valve B0923, and gas is only into surge tank 10
Into.Regeneration pipeline is communicated between two going out gas branch pipe, regenerant flow regulating valve 093 is provided with regeneration pipeline.
In order to mitigate the pressure of pressure-swing absorber 09, primary adsorption can be set between secondary condenser 05 and air bag 07
Tower 06.
With reference to Fig. 3, in order to control the abundant degree and efficiency that reactor 02 reacts, in formic acid storage tank 01 and reactor 02
Between measuring pump 13 is set, the formic acid solution in formic acid storage tank 01 is delivered in reactor 02 by measuring pump 13 to be reacted.
Communicating pipe 14 is provided between formic acid storage tank 01 and reactor 02 simultaneously, the two ends of communicating pipe 14 are respectively communicated with formic acid storage tank 01
With the top of reactor 02, vacuum-pumping tube is also communicated with the top at the top of formic acid storage tank 01 or reactor 02, it is true by taking out
Formic acid storage tank 01 and reactor 02 can be carried out vacuumize process by blank pipe.
With reference to Fig. 4, in order to ensure alkali cleaning more abundant, so as to ensure the purity of carbon dioxide, caustic scrubber 04 includes tank
Alkaline solution can be contained with body and circulating pump 043, tank body, Co mixed gas is emerged after being passed through in alkaline solution
Upward motion, under now circulating pump 043 drenches alkaline solution from the top of tank body so that alkaline solution is further to be aoxidized with one
Carbon mixed gas is contacted.And in order to contact more fully, the spray connected with circulating pump 043 is additionally provided with the top of tank body
Penetrate the shower nozzle 045 for being communicated with and setting down on pipe 044, playpipe 044.In order to be further ensured that abundant, the alkali cleaning of alkali cleaning more
Device 04 can include the one-level caustic scrubber 041 and two grades of caustic scrubbers 042 being sequentially communicated.
With reference to Fig. 5, in order to ensure the efficiency of cylinder filling, gas cylinders group 12 at least includes two groups of gas cylinders, and every group of gas cylinder can be with
To be multiple, every group of gas cylinder is respectively connected on a corresponding branch road 121, and is respectively arranged with same branch road 121
First control valve 122 and the second control valve 123, the first control valve 122 and the second control valve 123 are located at same branch road respectively
The upstream and downstream of gas cylinder on 121.
When carrying out the production of carbon monoxide, formic acid solution is added formic acid solution to reactor 02 by measuring pump 13
In, it is the concentrated sulfuric acid in reactor 02, both form CO gas at reaction, it is more that CO gas now contains impurity
For mixed gas；Co mixed gas enters to first-stage condenser 03 afterwards, and condensation removing, Ran Houxian are carried out to water vapour
The filtering repeated afterwards into one-level caustic scrubber 041 and two grades of caustic scrubbers 042 to carbon dioxide, enters back into B-grade condensation afterwards
The moisture brought in alkaline cleaning procedure is subjected to condensation removing in device 05；Primary adsorption tower 06 is subsequently entered to by the micro of carrying
Water and impurity are adsorbed, and the purity of carbon monoxide now reaches CO gas at least more than 99.99%, then and entered
Enter air bag 07 and carry out preliminary storage.
CO gas in air bag 07 is entered in pressure-swing absorber 09 by the supercharging of booster pump, is adsorbed with entering
Tower A091 is dried, exemplified by adsorption tower B092 is regenerated, and CO gas enters adsorption tower A091 from intake valve A0911
, enter surge tank 10 by air outlet valve A0913；And in the process, opening regenerant flow regulating valve 093, regulating flow size,
So that about 10%-15% CO gas is entered in adsorption tower B092 by regenerant flow regulating valve 093, by absorption
Entered to after tower B092 by vent valve B0922 in bleeder pipe 096, gas is emitted into by high-altitude by bleeder pipe 096 or returned
Receive into air bag 07.Now by the supercharging of booster pump, operating pressure can be between 0.6MPa-1MPa so that by absorption
Tower B092 gas more sufficiently takes away the moisture in adsorption tower B092.Certainly, afterwards can be to adsorption tower A091 and suction
Attached tower B092, which is switched over, to be used, after the absorption of pressure-swing absorber 09, carbon monoxide of the purity in 99.997%-99.999%
Gas is entered in surge tank 10.
Then the gas in surge tank 10 is filled by compressor 11 to gas cylinders group 12, in the situation for having two groups of gas cylinders
Under, the first control valve 122 of second group of gas cylinder of the second control valve 123 and closing of first group of gas cylinder is closed, to first group of gas
Bottle is filled, while being vacuumized to second group of gas cylinder；After first group of cylinder filling is finished, the of first group of gas cylinder is opened
Two control valves 123 and close second group of gas cylinder the first control valve 122, close first group of gas cylinder the first control valve 122 with
And the second control valve 123 of second group of gas cylinder is closed, second group of gas cylinder is filled, while carrying out taking out true to first group of gas cylinder
Sky, it is reciprocal with this.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (9)
1. a kind of carbon monoxide production technology, including be sequentially connected formic acid storage tank (01), reactor (02), first-stage condenser
(03), caustic scrubber (04), secondary condenser (05), air bag (07), compressor (11) and gas cylinders group (12), it is characterised in that：
It is connected with supercharger (08), pressure-swing absorber (09) and surge tank (10) between air bag (07) and compressor (11) in turn, becomes
Adsorption tower (09) is pressed to include adsorption tower A (091), respectively adsorption tower B (092), connection adsorption tower A (091) and adsorption tower B (092)
Air inlet pipe (094), respectively connection adsorption tower A (091) and adsorption tower B (092) escape pipe (095), connect in adsorption tower A
(091) intake valve A (0911) between air inlet pipe (094), connection entering between adsorption tower B (092) and air inlet pipe (094)
Air valve B (0921), air outlet valve A (0913) of the connection between adsorption tower A (091) and escape pipe (095), connection are in adsorption tower B
(092) air outlet valve B (0923) between escape pipe (095), in escape pipe (095) one end connection adsorption tower A (091) and absorption
Tower B (092) regeneration pipeline, be arranged on regeneration pipeline on regenerant flow regulating valve (093), respectively with adsorption tower A (091) and
The bleeder pipe (096) of adsorption tower B (092) connections, the vent valve A being communicated between bleeder pipe (096) and adsorption tower A (091)
And the vent valve B (0922) that is communicated between bleeder pipe (096) and adsorption tower B (092) (0912).
2. carbon monoxide production technology according to claim 1, it is characterised in that：Secondary condenser (05) and air bag (07)
Between be connected with primary adsorption tower (06).
3. carbon monoxide production technology according to claim 1, it is characterised in that：The carbon monoxide production technology also includes
It is connected to the measuring pump (13) between formic acid storage tank (01) and reactor (02).
4. carbon monoxide production technology according to claim 1, it is characterised in that：Formic acid storage tank (01) and reactor (02)
Between be provided with communicating pipe (14), the two ends of communicating pipe (14) are respectively communicated with the top in formic acid storage tank (01) and reactor (02)
Portion, vacuum-pumping tube is also communicated with the top of formic acid storage tank (01).
5. carbon monoxide production technology according to claim 1, it is characterised in that：Caustic scrubber (04) includes what is be sequentially communicated
One-level caustic scrubber (041) and two grades of caustic scrubbers (042).
6. carbon monoxide production technology according to claim 1, it is characterised in that：Caustic scrubber (04) includes holding alkali lye
Tank body and the circulating pump (043) that alkali lye is delivered to ejection at the top of tank body.
7. carbon monoxide production technology according to claim 6, it is characterised in that：Caustic scrubber (04) also includes being located at tank body
Top and the playpipe (044) that is connected with circulating pump (043) and it is connected with playpipe (044) and shower nozzle downward
(045)。
8. carbon monoxide production technology according to claim 1, it is characterised in that：Gas cylinders group (12) includes at least two groups gas
Bottle, branch road (121) that is corresponding with gas cylinder and being connected with compressor (11), the vacuum extractor connected with branch road (121) and
It is connected on same branch road (121) and is located at respectively the first control valve (122) and the second control valve of the upstream and downstream of gas cylinder
(123)。
9. carbon monoxide production technology according to claim 1, it is characterised in that：Bleeder pipe (096) connects with air bag (07)
It is logical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598059.9A CN107188176A (en) | 2017-07-20 | 2017-07-20 | Carbon monoxide production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598059.9A CN107188176A (en) | 2017-07-20 | 2017-07-20 | Carbon monoxide production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107188176A true CN107188176A (en) | 2017-09-22 |
Family
ID=59883897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710598059.9A Pending CN107188176A (en) | 2017-07-20 | 2017-07-20 | Carbon monoxide production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107188176A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109110762A (en) * | 2018-09-25 | 2019-01-01 | 江苏宏仁特种气体有限公司 | The preparation facilities and method of CO |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2448438Y (en) * | 2000-07-27 | 2001-09-19 | 上海绿的科技有限公司 | Improved double-tower pressure-changing adsorption oxygen generator |
| CN103908869A (en) * | 2014-04-24 | 2014-07-09 | 赣州川汇气体设备制造有限公司 | Vacuum pressure swing adsorption (VPSA) oxygen enrichment process |
| CN106315583A (en) * | 2016-11-15 | 2017-01-11 | 广西新天德能源有限公司 | Device for efficiently recovering carbon monoxide in acetic acid tail gas |
| CN106365164A (en) * | 2016-08-30 | 2017-02-01 | 兰州裕隆气体股份有限公司 | Device for preparing high-purity carbon monoxide by pyrolysis of formic acid |
| CN106731475A (en) * | 2016-12-15 | 2017-05-31 | 甘肃银光聚银化工有限公司 | A kind of carbon monoxide pressure swing adsorption technique |
-
2017
- 2017-07-20 CN CN201710598059.9A patent/CN107188176A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2448438Y (en) * | 2000-07-27 | 2001-09-19 | 上海绿的科技有限公司 | Improved double-tower pressure-changing adsorption oxygen generator |
| CN103908869A (en) * | 2014-04-24 | 2014-07-09 | 赣州川汇气体设备制造有限公司 | Vacuum pressure swing adsorption (VPSA) oxygen enrichment process |
| CN106365164A (en) * | 2016-08-30 | 2017-02-01 | 兰州裕隆气体股份有限公司 | Device for preparing high-purity carbon monoxide by pyrolysis of formic acid |
| CN106315583A (en) * | 2016-11-15 | 2017-01-11 | 广西新天德能源有限公司 | Device for efficiently recovering carbon monoxide in acetic acid tail gas |
| CN106731475A (en) * | 2016-12-15 | 2017-05-31 | 甘肃银光聚银化工有限公司 | A kind of carbon monoxide pressure swing adsorption technique |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109110762A (en) * | 2018-09-25 | 2019-01-01 | 江苏宏仁特种气体有限公司 | The preparation facilities and method of CO |
| CN109110762B (en) * | 2018-09-25 | 2023-07-21 | 江苏宏仁特种气体有限公司 | CO preparation device and method |
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Application publication date: 20170922 |
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