CN111871162A - Automatic gas purifying device - Google Patents
Automatic gas purifying device Download PDFInfo
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- CN111871162A CN111871162A CN202010890369.XA CN202010890369A CN111871162A CN 111871162 A CN111871162 A CN 111871162A CN 202010890369 A CN202010890369 A CN 202010890369A CN 111871162 A CN111871162 A CN 111871162A
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- China
- Prior art keywords
- gas
- pipeline
- desicator
- regeneration
- pure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007789 gas Substances 0.000 claims abstract description 180
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 76
- 230000008929 regeneration Effects 0.000 claims abstract description 72
- 238000011069 regeneration method Methods 0.000 claims abstract description 72
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 34
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 15
- 238000000746 purification Methods 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 3
- 230000001172 regenerating effect Effects 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/14—Production of inert gas mixtures; Use of inert gases in general
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/04—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
- C01B3/047—Decomposition of ammonia
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
-
- 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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention belongs to the technical field of gas purification, and particularly relates to an automatic gas purification device which comprises a first dryer, a second dryer, an ammonia decomposition gas input pipeline, a pure gas output pipeline, a regenerated gas input pipeline and a regenerated gas output pipeline, wherein ammonia decomposition gas inlets of the first dryer and the second dryer are respectively connected with the ammonia decomposition gas input pipeline, working air inlet valves are respectively arranged on a connecting pipeline of the first dryer and the ammonia decomposition gas input pipeline and a connecting pipeline of the second dryer and the ammonia decomposition gas input pipeline, and pure gas outlets of the first dryer and the second dryer are respectively connected with the pure gas output pipeline. When the drying tower is used for drying and regenerating, the regeneration gas can be regenerated by using the nitrogen gas or directly by using the ammonia decomposition gas, and the nitrogen gas is used as the regeneration gas instead of the ammonia decomposition gas, so that the safety of the drying and regenerating of the drying tower is effectively improved, and the use cost of a user is reduced.
Description
Technical Field
The invention relates to the technical field of gas purification, in particular to an automatic gas purification device.
Background
The ammonia decomposition gas generator uses liquid ammonia as raw material, heats ammonia gas to a certain temperature after vaporization, ammonia is decomposed into mixed gas of hydrogen and nitrogen under the action of catalyst, the liquid ammonia is gasified and preheated, then enters a decomposing furnace with catalyst, ammonia is decomposed under the action of catalyst and certain temperature and pressure, mixed gas containing 75% of hydrogen and 25% of nitrogen is produced, and the gas can be purified or directly used after passing through a heat exchanger, a cooler and a flowmeter.
In the ammonia decomposition gas purification process, when No. 1 drying tower uses, No. 2 drying tower need dry regeneration, adopts ammonia decomposition gas to dry regeneration as the regeneration gas among the traditional gas purification device, has the security lower, and the problem that the cost of regeneration is high.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an automatic gas purification device, which solves the problems of low safety and high regeneration cost of the traditional gas purification device in which ammonia decomposition gas is used as regeneration gas for drying and regeneration.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an automatic gas purifying device comprises a first dryer, a second dryer, an ammonia decomposition gas input pipeline, a pure gas output pipeline, a regenerated gas input pipeline and a regenerated gas output pipeline, wherein the ammonia decomposition gas inlet of the first dryer and the second dryer is respectively connected with the ammonia decomposition gas input pipeline, working air inlet valves are respectively arranged on the connecting pipeline of the first dryer and the ammonia decomposition gas input pipeline and the connecting pipeline of the second dryer and the ammonia decomposition gas input pipeline, pure gas outlets of the first dryer and the second dryer are respectively connected with the pure gas output pipeline, working air valves are respectively arranged on the connecting pipeline of the first dryer and the pure gas output pipeline and the connecting pipeline of the second dryer and the pure gas output pipeline, pure gas outlet valves and pure gas flow meters are sequentially arranged on the pure gas output pipeline, the regenerated gas inlet of the first dryer and the regenerated gas inlet of the second dryer are respectively connected with the regenerated gas input pipeline, all be equipped with the regeneration gas valve of admitting air on the connecting tube of first desicator and regeneration gas input pipeline and on the connecting tube of second desicator and regeneration gas input pipeline, be equipped with nitrogen gas inlet valve, nitrogen gas valve of admitting air and regeneration gas flowmeter on the regeneration gas input pipeline in proper order, the regeneration gas export of first desicator and second desicator respectively with regeneration gas output pipeline pipe connection, all be equipped with regeneration gas valve of admitting air on the connecting tube of first desicator and regeneration gas output pipeline and on the connecting tube of second desicator and regeneration gas output pipeline.
As a preferred technical scheme of the invention, the working air inlet valve, the working air outlet valve, the regeneration air inlet valve, the nitrogen inlet valve and the regeneration air outlet valve are all pneumatic valves.
As a preferred technical scheme of the invention, the pure gas outlet valve and the nitrogen inlet valve are both stop valves.
As a preferred technical scheme of the invention, the pure gas output pipeline is provided with a sampling port, and the sampling port is provided with a sampling stop valve.
As a preferred technical scheme of the invention, the regenerated gas input pipeline is connected with the pure gas output pipeline through a pipeline, and a pneumatic valve is arranged on a connecting pipeline of the regenerated gas input pipeline and the pure gas output pipeline.
(III) advantageous effects
Compared with the prior art, the invention provides an automatic gas purification device, which has the following beneficial effects:
this gaseous automatic purification device, when the drying tower is dry regenerated, the regeneration gas is regenerated with nitrogen gas also can directly be regenerated with the ammonia decomposition gas, adopts nitrogen gas to replace the ammonia decomposition gas and uses as the regeneration gas, effectively improves the dry regenerated security of drying tower, reduces user's use cost.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a first dryer; 2. a second dryer; 3. an ammonia decomposition gas input pipeline; 4. a working intake valve; 5. a pure gas output pipeline; 6. a working gas valve; 7. a pure gas outlet valve; 8. a pure gas flow meter; 9. a regeneration gas input pipeline; 10. a regeneration gas inlet valve; 11. a nitrogen inlet valve; 12. a nitrogen inlet valve; 13. a regeneration gas flow meter; 14. a regeneration gas output pipeline; 15. a regeneration gas outlet valve; 16. a sampling port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1, the present invention provides the following technical solutions: an automatic gas purifying device comprises a first dryer 1, a second dryer 2, an ammonia decomposition gas input pipeline 3, a pure gas output pipeline 5, a regenerated gas input pipeline 9 and a regenerated gas output pipeline 14, wherein ammonia decomposition gas inlets of the first dryer 1 and the second dryer 2 are respectively connected with the ammonia decomposition gas input pipeline 3 through pipelines, working gas inlet valves 4 are respectively arranged on a connecting pipeline of the first dryer 1 and the ammonia decomposition gas input pipeline 3 and a connecting pipeline of the second dryer 2 and the ammonia decomposition gas input pipeline 3, pure gas outlets of the first dryer 1 and the second dryer 2 are respectively connected with the pure gas output pipeline 5 through pipelines, working gas valves 6 are respectively arranged on a connecting pipeline of the first dryer 1 and the pure gas output pipeline 5 and a connecting pipeline of the second dryer 2 and the pure gas output pipeline 5, a pure gas outlet valve 7 and a pure gas flowmeter 8 are sequentially arranged on the pure gas output pipeline 5, the regeneration gas import of first desicator 1 and second desicator 2 respectively with regeneration gas input pipeline 9 pipe connection, all be equipped with regeneration gas air inlet valve 10 on the connecting tube of first desicator 1 and regeneration gas input pipeline 9 and on the connecting tube of second desicator 2 and regeneration gas input pipeline 9, be equipped with nitrogen gas inlet valve 11 on the regeneration gas input pipeline 9 in proper order, nitrogen gas air inlet valve 12 and regeneration gas flowmeter 13, the regeneration gas export of first desicator 1 and second desicator 2 respectively with regeneration gas output pipeline 14 pipe connection, all be equipped with regeneration gas play gas valve 15 on the connecting tube of first desicator 1 and regeneration gas output pipeline 14 and on the connecting tube of second desicator 2 and regeneration gas output pipeline 14.
Specifically, the working air inlet valve 4, the working air outlet valve 6, the regeneration air inlet valve 10, the nitrogen inlet valve 11 and the regeneration air outlet valve 15 are all pneumatic valves.
Specifically, the pure gas outlet valve 7 and the nitrogen inlet valve 12 are both stop valves.
Specifically, the pure gas output pipeline 5 is provided with a sampling port 16, and the sampling port 16 is provided with a sampling stop valve.
In this embodiment, through set up sample connection 16 on pure gas output pipeline 5, but the corresponding check out test set of lug connection carries out the sample test, like little oxygen appearance and little water appearance, through set up the sample stop valve on sample connection 16, the opening and close of sample connection 16 of being convenient for.
Specifically, the regeneration gas input pipeline 9 is connected with the pure gas output pipeline 5 through a pipeline, and a pneumatic valve is arranged on a connecting pipeline of the regeneration gas input pipeline 9 and the pure gas output pipeline 5.
The working principle and the using process of the invention are as follows: when the dryer works, the ammonia decomposition gas is conveyed to the first dryer 1 or the second dryer 2 through the ammonia decomposition gas input pipeline 3, enters the first dryer 1 from the connecting pipeline of the first dryer 1 and the working air inlet valve 4 on the connecting pipeline, or enters the second dryer 2 through the connecting pipeline of the second dryer 2 and the working air inlet valve 4 on the connecting pipeline, and then is discharged from the corresponding connecting pipeline of the pure gas outlet of the first dryer 1 and the working air outlet valve 6 on the connecting pipeline, or is discharged from the corresponding connecting pipeline of the pure gas outlet of the second dryer 2 and the working air outlet valve 6 on the connecting pipeline, and is sent to a gas using point through the pure gas output pipeline 5, the pure gas outlet valve 7 on the pure gas output pipeline and the pure gas flowmeter 8 on the pure gas output pipeline; the regeneration gas is regenerated by nitrogen gas or directly by ammonia decomposition gas, the nitrogen gas enters a connecting pipeline corresponding to the first dryer 1 from a regeneration gas input pipeline 9 and a nitrogen gas inlet valve 11, a nitrogen gas inlet valve 12 and a regeneration gas flowmeter 13 on the regeneration gas input pipeline, enters the first dryer 1 through the regeneration gas inlet valve 10, or enters a corresponding connecting pipeline of the second dryer 2, enters the second dryer 2 through the regeneration gas inlet valve 10, and is discharged and exhausted from the connecting pipeline corresponding to the regeneration gas outlet of the first dryer 1 and a regeneration gas outlet valve 15 on the connecting pipeline, or is discharged and exhausted from the connecting pipeline corresponding to the regeneration gas outlet of the second dryer 2 and a regeneration gas outlet valve 15 on the connecting pipeline; the regenerated gas is originally ammonia decomposition gas (the ammonia decomposition gas is decomposed by ammonia gas), and is replaced by nitrogen gas at present, so that the use cost of a user is effectively reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a gaseous automatic purification device, includes first desicator (1), second desicator (2), ammonia decomposition gas input pipeline (3), pure gas output pipeline (5), regeneration gas input pipeline (9) and regeneration gas output pipeline (14), its characterized in that: the utility model discloses a high-pressure gas drying device, including first desicator (1) and second desicator (2), the ammonia decomposition gas import of first desicator (1) and second desicator (2) is respectively with ammonia decomposition gas input pipeline (3) pipe connection, all be equipped with work air inlet valve (4) on the connecting tube of first desicator (1) and ammonia decomposition gas input pipeline (3) and on the connecting tube of second desicator (2) and ammonia decomposition gas input pipeline (3), the pure gas export of first desicator (1) and second desicator (2) all is equipped with work air valve (6) on the connecting tube of first desicator (1) and pure gas output pipeline (5) and on the connecting tube of second desicator (2) and pure gas output pipeline (5) respectively, be equipped with pure gas air valve (7) and pure gas flowmeter (8) on pure gas output pipeline (5) in proper order, the regeneration gas import of first desicator (1) and second desicator (2) is respectively with regeneration gas input pipeline (3) and is imported Say (9) pipe connection, all be equipped with regeneration gas air inlet valve (10) on the connecting tube of first desicator (1) and regeneration gas input pipeline (9) and on the connecting tube of second desicator (2) and regeneration gas input pipeline (9), be equipped with nitrogen gas inlet valve (11), nitrogen gas air inlet valve (12) and regeneration gas flowmeter (13) on regeneration gas input pipeline (9) in proper order, the regeneration gas export of first desicator (1) and second desicator (2) respectively with regeneration gas output pipeline (14) pipe connection, all be equipped with regeneration gas outlet valve (15) on the connecting tube of first desicator (1) and regeneration gas output pipeline (14) and on the connecting tube of second desicator (2) and regeneration gas output pipeline (14).
2. An automatic gas purification device according to claim 1, wherein: the working air inlet valve (4), the working air outlet valve (6), the regeneration air inlet valve (10), the nitrogen inlet valve (11) and the regeneration air outlet valve (15) are all pneumatic valves.
3. An automatic gas purification device according to claim 1, wherein: the pure gas outlet valve (7) and the nitrogen inlet valve (12) are both stop valves.
4. An automatic gas purification device according to claim 1, wherein: the pure gas output pipeline (5) is provided with a sampling port (16), and the sampling port (16) is provided with a sampling stop valve.
5. An automatic gas purification device according to claim 1, wherein: the device is characterized in that the regeneration gas input pipeline (9) is connected with the pure gas output pipeline (5) through a pipeline, and a pneumatic valve is arranged on the connection pipeline of the regeneration gas input pipeline (9) and the pure gas output pipeline (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010890369.XA CN111871162A (en) | 2020-08-29 | 2020-08-29 | Automatic gas purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010890369.XA CN111871162A (en) | 2020-08-29 | 2020-08-29 | Automatic gas purifying device |
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| Publication Number | Publication Date |
|---|---|
| CN111871162A true CN111871162A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010890369.XA Pending CN111871162A (en) | 2020-08-29 | 2020-08-29 | Automatic gas purifying device |
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| CN (1) | CN111871162A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3995444A1 (en) * | 2020-11-04 | 2022-05-11 | Haldor Topsøe A/S | Method for cracking ammonia |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202099352U (en) * | 2011-06-07 | 2012-01-04 | 浙江省浦江县百川产业有限公司 | Tempering device for copper clad steel or copper clad aluminum composite wires |
| JP2016211059A (en) * | 2015-05-13 | 2016-12-15 | パナソニックＩｐマネジメント株式会社 | Gas generation device and gas generation method |
| CN210528460U (en) * | 2019-07-15 | 2020-05-15 | 苏州盛福祥净化科技有限公司 | Ammonia decomposition hydrogen production device |
| CN212283487U (en) * | 2020-08-29 | 2021-01-05 | 陕西中业金微材料科技有限公司 | Automatic gas purifying device |
-
2020
- 2020-08-29 CN CN202010890369.XA patent/CN111871162A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202099352U (en) * | 2011-06-07 | 2012-01-04 | 浙江省浦江县百川产业有限公司 | Tempering device for copper clad steel or copper clad aluminum composite wires |
| JP2016211059A (en) * | 2015-05-13 | 2016-12-15 | パナソニックＩｐマネジメント株式会社 | Gas generation device and gas generation method |
| CN210528460U (en) * | 2019-07-15 | 2020-05-15 | 苏州盛福祥净化科技有限公司 | Ammonia decomposition hydrogen production device |
| CN212283487U (en) * | 2020-08-29 | 2021-01-05 | 陕西中业金微材料科技有限公司 | Automatic gas purifying device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3995444A1 (en) * | 2020-11-04 | 2022-05-11 | Haldor Topsøe A/S | Method for cracking ammonia |
| WO2022096529A1 (en) * | 2020-11-04 | 2022-05-12 | Haldor Topsøe A/S | Method for cracking ammonia |
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Effective date of registration: 20240115 Address after: No. 17 Jingzhou Street, Jingchuan County, Pingliang City, Gansu Province, 744399 Applicant after: Pingliang Zhongtian Environmental Urban Service Co.,Ltd. Address before: 712200 Sanyuan science and Technology Park, Wugong County, Xianyang City, Shaanxi Province Applicant before: Shaanxi Zhongye gold Micro Material Technology Co.,Ltd. |