CN108114566B - Gas purifier with rapid regeneration function - Google Patents
Gas purifier with rapid regeneration function Download PDFInfo
- Publication number
- CN108114566B CN108114566B CN201810134297.9A CN201810134297A CN108114566B CN 108114566 B CN108114566 B CN 108114566B CN 201810134297 A CN201810134297 A CN 201810134297A CN 108114566 B CN108114566 B CN 108114566B
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- CN
- China
- Prior art keywords
- reactor
- valve
- control system
- gas
- regeneration
- 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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Links
- 230000008929 regeneration Effects 0.000 title claims abstract description 47
- 238000011069 regeneration method Methods 0.000 title claims abstract description 47
- 239000007789 gas Substances 0.000 claims abstract description 49
- 239000001257 hydrogen Substances 0.000 claims abstract description 19
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 19
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000002912 waste gas Substances 0.000 claims description 7
- 238000005984 hydrogenation reaction Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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
-
- 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
- B01J19/0006—Controlling or regulating processes
-
- 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
-
- 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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/008—Feed or outlet control devices
Abstract
The invention discloses a gas purifier with a rapid regeneration function, and relates to a rapid regeneration device of a reactor of gas purification equipment. The hydrogen supply device, the pneumatic control valve, the needle-shaped regulating valve and the mass flowmeter of the gas purifier with the rapid regeneration function are sequentially connected through pipelines and are connected with the inlet end of the reactor; the outlet end of the reactor is connected with an exhaust gas discharge pipeline; the PLC program control system is connected with the pneumatic control valve; the method is characterized in that: the gas purifier with the rapid regeneration function further comprises: a valve control system and an inert regeneration gas supply device; the signal input end of the valve control system is connected with the PLC program control system, and the output end is connected with the pneumatic control valve; an inert regeneration gas supply is connected to the inlet end of the reactor. The invention has the characteristics of novel structure, simple and convenient processing, simple operation, accurate control, energy conservation, high safety performance and the like, and therefore, the invention belongs to a novel gas purifier with a rapid regeneration function integrating economy and practicability.
Description
Technical Field
The invention discloses a gas purifier with a rapid regeneration function, and relates to a rapid regeneration device of a reactor of gas purification equipment.
Background
With the continuous progress of the technology level, the requirements of high-purity gas in industry are increasing, and the safety of hydrogenation regeneration of a gas purifier is particularly important. The regeneration of the traditional purifier directly adopts pure hydrogen regeneration, a PLC control system opens a pneumatic control valve, then a needle-shaped regulating valve and a mass flowmeter enter the reactor to regenerate the reactor, and the waste gas is discharged through a waste gas discharge pipeline, and the regeneration period is generally 24 hours. The regeneration mode of the traditional purifier consumes a large amount of hydrogen energy and greatly improves the danger coefficient of the operation of the purifier.
Aiming at the problems in the prior art, it is necessary to research and design a novel gas purifier with a rapid regeneration function so as to overcome the problems in the prior art.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to study and design a novel gas purifier having a rapid regeneration function. Is used for solving the problems existing in the prior art: 1. and the hydrogen is introduced for a long time, so that a great deal of hydrogen is consumed, the regeneration cost of the reactor is increased, the hydrogen is introduced for a long time, and the running danger coefficient of the purifier is increased.
The technical solution of the invention is realized as follows:
the gas purifier with the rapid regeneration function comprises: the device comprises a hydrogen supply device, a pneumatic control valve, a needle-shaped regulating valve, a mass flowmeter, an exhaust gas discharge pipeline, a reactor and a PLC program control system; the hydrogen supply device, the pneumatic control valve, the needle-shaped regulating valve and the mass flowmeter are connected through pipelines in sequence and are connected with the inlet end of the reactor; the outlet end of the reactor is connected with an exhaust gas discharge pipeline; the PLC program control system is connected with the pneumatic control valve; the method is characterized in that: the gas purifier with the rapid regeneration function further comprises: a valve control system and an inert regeneration gas supply device;
the signal input end of the valve control system is connected with the PLC program control system, and the output end is connected with the pneumatic control valve;
the inert regeneration gas supply device of the invention is connected with the inlet end of the reactor.
A one-way valve is also arranged on a pipeline between the pneumatic control valve and the needle-shaped regulating valve.
The PLC program control system is connected with the inert regeneration gas supply device through the valve control system to control the gas supply and the gas stopping of the inert regeneration gas supply device.
The regeneration process of the invention comprises the following steps:
when the reactor is regenerated, the PLC program control system controls the inert regeneration gas to enter the reactor through the valve control system, after the reactor is heated to a specified temperature (about 300 ℃), the heating time is generally 9-10 hours, the PLC program control system controls the valve control system to open the pneumatic control valve to enter the reactor through the one-way valve, the needle-shaped regulating valve and the mass flowmeter to regenerate the reactor, and the regenerated waste gas is discharged through the waste gas discharge pipeline, and the hydrogenation time is 4 hours.
The advantages of the invention are obvious and mainly expressed in that:
1. the invention adds a valve control system, can supply hydrogen to the reactor according to the need, reduces the use amount of hydrogen, saves the cost and reduces the probability of danger;
2. the invention is additionally provided with the one-way valve, thereby preventing the countercurrent of hydrogen and avoiding the occurrence of danger;
3. the invention increases the inert regeneration gas supply device to supply gas to the reactor, so as to raise the temperature of the reactor, shorten the time and amount of hydrogen supply, reduce the use amount of hydrogen, save the cost and reduce the probability of danger.
The invention has the advantages of novel structure, simple and convenient processing, simple operation, accurate control, energy conservation, high safety performance and the like, and the large-scale application of the invention to the market can certainly generate positive social benefit and remarkable economic benefit.
Drawings
The invention has 2 drawings, wherein:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a conventional hydrogenation regeneration device.
In the figure: 1. the hydrogen supply device 2, the pneumatic control valve 3, the one-way valve 4, the needle-shaped regulating valve 5, the mass flowmeter 6, the waste gas discharge pipeline 7, the valve control system of the reactor 8, the valve control system 9, the PLC program control system 10 and the inert regeneration gas supply device.
Detailed Description
In accordance with one embodiment of the present invention, as shown in the accompanying drawings, a gas purifier having a rapid regeneration function, comprises: a hydrogen supply device 1, a pneumatic control valve 2, a one-way valve 3, a needle-shaped regulating valve 4, a mass flowmeter 5, an exhaust gas discharge pipeline 6, a reactor 7, a valve control system 8, a PLC program control system 9 and an inert regeneration gas supply device 10; the hydrogen supply device 1, the pneumatic control valve 2, the one-way valve 3, the needle-shaped regulating valve 4 and the mass flowmeter 5 are connected through pipelines in sequence and are connected with the inlet end of the reactor 7; the outlet end of the reactor 7 is connected with an exhaust gas discharge pipeline 6; a valve control system 8 is also arranged between the PLC program control system 9 and the pneumatic control valve 2; the PLC program control system 9 is connected with the inert regeneration gas supply device 10 through the valve control system 8 and controls the supply and the stopping of the inert regeneration gas supply device 10; an inert regeneration gas supply 10 is connected to the inlet end of the reactor 7.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and all technical solutions according to the present invention and the concept of the present invention are equivalent to or changed within the scope of the present invention by those skilled in the art within the scope of the present invention.
Claims (1)
1. A reactor regeneration control method of a gas purifier with a rapid regeneration function is characterized in that: the reactor regeneration control method uses a gas purifier with a rapid regeneration function, wherein the gas purifier with the rapid regeneration function comprises a hydrogen supply device (1), a pneumatic control valve (2), a needle-shaped regulating valve (4), a mass flowmeter (5), an exhaust gas discharge pipeline (6), a reactor (7) and a PLC program control system (9); the hydrogen supply device (1), the pneumatic control valve (2), the needle-shaped regulating valve (4) and the mass flowmeter (5) are connected through pipelines in sequence and are connected with the inlet end of the reactor (7); the outlet end of the reactor (7) is connected with an exhaust gas discharge pipeline (6); the PLC program control system (9) is connected with the pneumatic control valve (2); the gas purifier with the rapid regeneration function further comprises: a valve control system (8) and an inert regeneration gas supply device (10); wherein:
the signal input end of the valve control system (8) is connected with the PLC program control system (9), and the output end is connected with the pneumatic control valve (2);
the inert regeneration gas supply device (10) is connected with the inlet end of the reactor (7);
a one-way valve (3) is also arranged on a pipeline between the pneumatic control valve (2) and the needle-shaped regulating valve (4);
the PLC program control system (9) is connected with the inert regeneration gas supply device (10) through the valve control system (8) to control the gas supply and the gas interruption of the inert regeneration gas supply device (10);
the reactor regeneration control method comprises the following steps: when the reactor is regenerated, a PLC program control system (9) controls inert regeneration gas to enter the reactor (7) through a valve control system (8), after the reactor (7) is heated to 300 ℃, the heating time is 9-10 hours, the PLC program control system (9) controls the valve control system (8) to open a pneumatic control valve (2) to enable hydrogen to enter the reactor (7) through a one-way valve (3), a needle-shaped regulating valve (4) and a mass flowmeter (5) to regenerate the reactor (7), and the regenerated waste gas is exhausted through a waste gas exhaust pipeline (6) and the hydrogenation time is 4 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134297.9A CN108114566B (en) | 2018-02-09 | 2018-02-09 | Gas purifier with rapid regeneration function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134297.9A CN108114566B (en) | 2018-02-09 | 2018-02-09 | Gas purifier with rapid regeneration function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108114566A CN108114566A (en) | 2018-06-05 |
| CN108114566B true CN108114566B (en) | 2024-03-15 |
Family
ID=62234311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810134297.9A Active CN108114566B (en) | 2018-02-09 | 2018-02-09 | Gas purifier with rapid regeneration function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108114566B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1456321A (en) * | 1973-05-18 | 1976-11-24 | Engelhard Min & Chem | Treatment of an isomerization catalyst |
| SU1397074A1 (en) * | 1986-06-27 | 1988-05-23 | Научно-производственное объединение по разработке и внедрению нефтехимических процессов | Method of regenerating of zinc-chromium catalysts |
| US5863852A (en) * | 1996-10-10 | 1999-01-26 | Air Products And Chemicals, Inc. | Regeneration of adsorbent beds |
| US5993760A (en) * | 1997-06-23 | 1999-11-30 | Air Products And Chemicals, Inc. | Bulk nitrogen purification process that requires no hydrogen in the regeneration |
| US6083301A (en) * | 1997-12-05 | 2000-07-04 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process for purifying inert fluids by adsorption on LSX zeolite |
| CN102744111A (en) * | 2012-07-06 | 2012-10-24 | 宁夏宝塔石化集团有限公司 | Method for recycling hydrocarbons during catalyst regeneration process of benzene/toluene and methanol alkylation reaction |
| CN104656618A (en) * | 2015-01-19 | 2015-05-27 | 河南心连心化肥有限公司 | Pressure-swing adsorbent regeneration control device and control method thereof |
| CN208003689U (en) * | 2018-02-09 | 2018-10-26 | 大连华邦化学有限公司 | Gas purifier with rapid regeneration function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9782766B2 (en) * | 2015-12-18 | 2017-10-10 | Corning Incorporated | Regeneration process for metal catalyst based gas purifiers |
-
2018
- 2018-02-09 CN CN201810134297.9A patent/CN108114566B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1456321A (en) * | 1973-05-18 | 1976-11-24 | Engelhard Min & Chem | Treatment of an isomerization catalyst |
| SU1397074A1 (en) * | 1986-06-27 | 1988-05-23 | Научно-производственное объединение по разработке и внедрению нефтехимических процессов | Method of regenerating of zinc-chromium catalysts |
| US5863852A (en) * | 1996-10-10 | 1999-01-26 | Air Products And Chemicals, Inc. | Regeneration of adsorbent beds |
| US5993760A (en) * | 1997-06-23 | 1999-11-30 | Air Products And Chemicals, Inc. | Bulk nitrogen purification process that requires no hydrogen in the regeneration |
| US6083301A (en) * | 1997-12-05 | 2000-07-04 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process for purifying inert fluids by adsorption on LSX zeolite |
| CN102744111A (en) * | 2012-07-06 | 2012-10-24 | 宁夏宝塔石化集团有限公司 | Method for recycling hydrocarbons during catalyst regeneration process of benzene/toluene and methanol alkylation reaction |
| CN104656618A (en) * | 2015-01-19 | 2015-05-27 | 河南心连心化肥有限公司 | Pressure-swing adsorbent regeneration control device and control method thereof |
| CN208003689U (en) * | 2018-02-09 | 2018-10-26 | 大连华邦化学有限公司 | Gas purifier with rapid regeneration function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108114566A (en) | 2018-06-05 |
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