CN102304390B - Recovery process and recovery equipment of drain vent gas in CO changer - Google Patents
Recovery process and recovery equipment of drain vent gas in CO changer Download PDFInfo
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- CN102304390B CN102304390B CN2011102257312A CN201110225731A CN102304390B CN 102304390 B CN102304390 B CN 102304390B CN 2011102257312 A CN2011102257312 A CN 2011102257312A CN 201110225731 A CN201110225731 A CN 201110225731A CN 102304390 B CN102304390 B CN 102304390B
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The invention relates to a recovery equipment and recovery process of drain vent gas in a CO changer. The recovery equipment is characterized in that drain vents of a pre-change heat exchanger and a coal gas heat exchanger are connected with a pipe inlet of a vent gas water cooler through pipelines; the pipe outlet of the vent gas water cooler is connected with the inlet of a vent gas separator through a pipeline; and the vent gas separator is provided with a gas-phase outlet and a liquid-phase outlet. The technical scheme shows that the drain vent gas discharged from the drain vents of the pre-change heat exchanger and the coal gas heat exchanger is introduced into the vent gas water cooler by which the temperature of the vent gas is reduced, and gas-liquid separation is carried out by the vent gas separator; and the separated gas is effectively recovered and utilized, thereby achieving the energy-saving, environmental protection and synergistic purposes and simultaneously greatly reducing the safety hazard of the device on a human body.
Description
Technical field
The present invention relates to a kind of CO changing device leads pouring effluent gas recovery equipment and reclaims technique.
Background technology
Present existing CO changing device mainly by pre-change stove, the first shift converter, become interchanger, gas change heater and gasification installation in advance and link to each other by pipeline, the pre-outlet that becomes stove links to each other with the tube side import of pre-change interchanger, the pre-tube side outlet that becomes interchanger links to each other with the import of the first shift converter, the outlet of the first shift converter links to each other with the tube side import of gas change heater, the outlet of gasification installation links to each other with the shell side entrance of pre-change interchanger, gas change heater respectively, and the shell side outlet that becomes in advance interchanger, gas change heater links to each other with the import of pre-change stove respectively.Pre-change interchanger, coal gas exchanging air in the general CO changing device adopt floating head heat exchanger, two sections temperature difference of heat exchanger tube pass are larger, because process gas contains saturated steam, tube side end socket place easily produces condensation, for preventing that water of condensation from entering shift converter and affecting catalyst life, general two groups of heat exchanger tube pass outlet showering guilding valve all keeps certain aperture.But in actually operating, the aperture of each showering guilding valve is grasped relatively difficulty, if valve position is too small, owing to easily carrying quantitative catalyst powder ash in the process gas secretly, lead to drench easily and stop up, valve position is excessive, and effectively gas discharges too much first, second CO content is high in the gas, and surrounding environment and the safety of patrolling and examining personnel are also caused larger threat.
Summary of the invention
The purpose of this invention is to provide a kind of CO changing device and lead the effluent gas recovery equipment that drenches, this equipment can carry out effective recycling, energy-saving and emission-reduction and safety and environmental protection to leading pouring discharging gas.
For achieving the above object, the present invention has adopted following technical scheme: by pre-change stove, the first shift converter, the pre-interchanger that becomes, gas change heater links to each other by pipeline with gasification installation, wherein, the pre-outlet that becomes stove links to each other with the tube side import of pre-change interchanger, the pre-tube side outlet that becomes interchanger links to each other with the import of the first shift converter, the outlet of the first shift converter links to each other with the tube side import of gas change heater, the outlet of gasification installation respectively with pre-change interchanger, the shell side entrance of gas change heater links to each other, the pre-interchanger that becomes, the shell side outlet of gas change heater links to each other with the import of pre-change stove respectively, the pre-interchanger that becomes links to each other by the tube side import of pipeline with discharging air water cooler with the pouring venting port of leading of gas change heater, the tube side outlet of discharging air water cooler links to each other by the import of pipeline with the discharging gas separating device, and the discharging gas separating device is provided with gaseous phase outlet and liquid-phase outlet.
Leading between pouring venting port and the discharging air water cooler of pre-change interchanger of the present invention and gas change heater is provided with strainer and self-adjusting valve successively.
The shell side of discharging air water cooler of the present invention is provided with circulating water intake and circulating water outlet.
The pouring venting port of leading of pre-change interchanger of the present invention and gas change heater is respectively equipped with first, second showering guilding valve.
The gaseous phase outlet of discharging gas separating device of the present invention links to each other with the fuel gas pipe network, and the liquid-phase outlet of discharging gas separation gas links to each other with the phlegma pipe network.
Be provided with pressure regulator valve between the gaseous phase outlet of discharging gas separating device of the present invention and the fuel gas pipe network, be provided with Liquid level adjusting valve between the liquid-phase outlet of discharging gas separating device and the phlegma pipe network.
As shown from the above technical solution, the present invention will become in advance leading of interchanger and gas change heater by pipeline and drench leading in the pouring exhaust introducing discharging air water cooler of exhaust ports discharge, reduce the gas temperature of discharging gas through discharging air water cooler, carry out gas-liquid separation by the discharging gas separating device again, the gas of separating is carried out effective recycling, realize the purpose of energy-conserving and environment-protective synergy, greatly reduced simultaneously device to the safety hazard of human body.
Another object of the present invention provides a kind of CO changing device and leads pouring effluent gas recovery technique, and this technique can be carried out effective recycling to leading pouring discharging gas.
For achieving the above object, the present invention has adopted following technical scheme: the pre-change interchanger in the CO changing device is led drench the discharging gas that discharge outlet and gas change heater lead pouring discharge outlet place and carry out gas-water separation.
Pre-change interchanger is led the pouring discharge outlet and is led discharging gas first filtration before separating of drenching the discharge outlet place with gas change heater.
Discharging gas after the filtration carries out separating after the heat exchange cooling again.
As shown from the above technical solution, the present invention recycles gas, the water separated by the discharging gas that produces in pre-change interchanger and the coal gas exchanging air is filtered, lowers the temperature, separates, and reduces to the pollution of environment and to the injury of human body.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing:
A kind of CO changing device is as shown in Figure 1 led the effluent gas recovery equipment that drenches, by pre-change stove 1, the first shift converter 2, the pre-interchanger 3 that becomes, gas change heater 4 and gasification installation 5 link to each other by pipeline, wherein, the pre-outlet that becomes stove 1 links to each other with the tube side import of pre-change interchanger 3, the pre-tube side outlet that becomes interchanger 3 links to each other with the import of the first shift converter 2, the outlet of the first shift converter 2 links to each other with the tube side import of gas change heater 4, the outlet of gasification installation 5 respectively with pre-change interchanger 3, the shell side entrance of gas change heater 4 links to each other, the pre-interchanger 3 that becomes, the shell side outlet of gas change heater 4 links to each other with the import of pre-change stove 1 respectively, its pre-interchanger 3 that becomes links to each other by the tube side import of pipeline with discharging air water cooler 6 with the pouring venting port of leading of gas change heater 4, the tube side outlet of discharging air water cooler 6 links to each other by the import of pipeline with discharging gas separating device 7, and discharging gas separating device 7 is provided with gaseous phase outlet and liquid-phase outlet.
The pre-pouring venting port of leading that becomes interchanger 3 and gas change heater 4 is respectively equipped with first, second showering guilding valve 31,41, leading between pouring venting port and the discharging air water cooler 6 of pre-change interchanger 3 and gas change heater 4 is provided with strainer 8 and self-adjusting valve 9 successively, it is to filter leading the pouring exhaust that strainer 8 is set, it is the input flow rate that enters discharging air water cooler 6 in order to control the aperture of drenching venting port of leading of pre-change interchanger 3, gas change heater 4, to control that self-adjusting valve 9 is set.
The shell side of discharging air water cooler 6 is provided with circulating water intake and circulating water outlet.
The gaseous phase outlet of discharging gas separating device 7 links to each other with fuel gas pipe network 71, and the liquid-phase outlet of discharging gas separation gas links to each other with phlegma pipe network 72.As the more preferred scheme of the present invention, between the gaseous phase outlet that discharges gas separating device 7 and fuel gas pipe network 71, be provided with pressure regulator valve, between the liquid-phase outlet that discharges gas separating device 7 and phlegma pipe network 72, be provided with Liquid level adjusting valve, can control the pressure that enters gas in the fuel gas pipe network 71 by pressure regulator valve like this, control the liquid level of discharging gas separating device 6 by Liquid level adjusting valve.
It is to adopt aforesaid CO changing device to lead pouring effluent gas recovery method to carry out effluent gas recovery that above-described CO changing device is led pouring effluent gas recovery equipment, and the specific works process is as follows:
The pre-interchanger 3 that becomes, the pouring exhaust of leading of gas change heater 4 enters discharging air water cooler 6 by leading the pouring venting port through filter 8 and self-adjusting valve 9, in discharging air water cooler 6, recirculated water in discharging gas and escaper water cooler 6 shell sides carries out the heat exchange cooling, and then by the discharging gas separating device 7 carry out gas-liquid separation, at last the dry gas of separating being sent into the fuel gas pipe network by gaseous phase outlet recycles, effectively reduced the quantity discharged of toxic and harmful CO available gas H2, not only realized the purpose of energy-conserving and environment-protective synergy, also greatly reduced simultaneously to lead and drench the discharging toxic gas to the harm of human body.
Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (9)
1. a CO changing device is led the effluent gas recovery equipment that drenches, by pre-change stove (1), the first shift converter (2), the pre-interchanger (3) that becomes, gas change heater (4) links to each other by pipeline with gasification installation (5), wherein, the pre-outlet that becomes stove (1) links to each other with the pre-tube side import that becomes interchanger (3), the pre-tube side outlet that becomes interchanger (3) links to each other with the import of the first shift converter (2), the outlet of the first shift converter (2) links to each other with the tube side import of gas change heater (4), the outlet of gasification installation (5) respectively with pre-change interchanger (3), the shell side entrance of gas change heater (4) links to each other, the pre-interchanger (3) that becomes, the shell side outlet of gas change heater (4) links to each other with the import of pre-change stove (1) respectively, it is characterized in that: become in advance interchanger (3) and link to each other by the tube side import of pipeline with discharging air water cooler (6) with the pouring venting port of leading of gas change heater (4), the tube side outlet of discharging air water cooler (6) links to each other by the import of pipeline with discharging gas separating device (7), and discharging gas separating device (7) is provided with gaseous phase outlet and liquid-phase outlet.
2. CO changing device according to claim 1 is led and is drenched effluent gas recovery equipment, it is characterized in that: become in advance leading between pouring venting port and the discharging air water cooler (6) of interchanger (3) and gas change heater (4) and be provided with successively strainer (8) and self-adjusting valve (9).
3. CO changing device according to claim 1 is led and is drenched effluent gas recovery equipment, and it is characterized in that: the shell side of described discharging air water cooler (6) is provided with circulating water intake and circulating water outlet.
4. CO changing device according to claim 1 is led and drenched effluent gas recovery equipment, it is characterized in that: described pre-change interchanger (3) drenches venting port with leading of gas change heater (4) and is respectively equipped with first, second showering guilding valve (31,41).
5. CO changing device according to claim 1 is led the effluent gas recovery equipment that drenches, it is characterized in that: the gaseous phase outlet of described discharging gas separating device (7) links to each other with fuel gas pipe network (71), and the liquid-phase outlet of discharging gas separation gas links to each other with phlegma pipe network (72).
6. CO changing device according to claim 5 is led the effluent gas recovery equipment that drenches, it is characterized in that: be provided with pressure regulator valve between the gaseous phase outlet of described discharging gas separating device (7) and the fuel gas pipe network (71), be provided with Liquid level adjusting valve between the liquid-phase outlet of discharging gas separating device (7) and the phlegma pipe network (72).
7. a CO changing device according to claim 1 is led the recovery technique of drenching effluent gas recovery equipment, it is characterized in that: the pre-change interchanger in the CO changing device is led drench the discharging gas that discharge outlet and gas change heater lead pouring discharge outlet place and carry out gas-water separation.
8. CO changing device according to claim 7 is led and is drenched effluent gas recovery technique, it is characterized in that: become in advance interchanger and lead and drench discharge outlet and lead the discharging gas that drenches the discharge outlet place with gas change heater and filter first before separating.
9. CO changing device according to claim 8 is led and drenched effluent gas recovery technique, it is characterized in that: the discharging gas after the filtration carries out separating after the heat exchange cooling again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102257312A CN102304390B (en) | 2011-08-08 | 2011-08-08 | Recovery process and recovery equipment of drain vent gas in CO changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102257312A CN102304390B (en) | 2011-08-08 | 2011-08-08 | Recovery process and recovery equipment of drain vent gas in CO changer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102304390A CN102304390A (en) | 2012-01-04 |
| CN102304390B true CN102304390B (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102257312A Expired - Fee Related CN102304390B (en) | 2011-08-08 | 2011-08-08 | Recovery process and recovery equipment of drain vent gas in CO changer |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108587692A (en) * | 2018-05-17 | 2018-09-28 | 安徽理工大学 | It is a kind of to realize the pre- field conduct method for becoming furnace catalyst and replacing online of purification |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050390A (en) * | 2007-04-27 | 2007-10-10 | 中国石化集团宁波工程有限公司 | CO conversion technique matched to coal gasification |
| CN201753343U (en) * | 2010-08-09 | 2011-03-02 | 安徽淮化股份有限公司 | CO converting device system matching coal water slurry gasification device |
| CN202186993U (en) * | 2011-08-08 | 2012-04-11 | 安徽淮化股份有限公司 | Condensate-drain exhaust gas recovering equipment for CO (carbon monoxide) conversion device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10287887A (en) * | 1997-04-15 | 1998-10-27 | Hitachi Ltd | Cleaning system of coal produced gas |
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2011
- 2011-08-08 CN CN2011102257312A patent/CN102304390B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050390A (en) * | 2007-04-27 | 2007-10-10 | 中国石化集团宁波工程有限公司 | CO conversion technique matched to coal gasification |
| CN201753343U (en) * | 2010-08-09 | 2011-03-02 | 安徽淮化股份有限公司 | CO converting device system matching coal water slurry gasification device |
| CN202186993U (en) * | 2011-08-08 | 2012-04-11 | 安徽淮化股份有限公司 | Condensate-drain exhaust gas recovering equipment for CO (carbon monoxide) conversion device |
Non-Patent Citations (2)
| Title |
|---|
| 于光元.煤气化过程中CO变换工艺探讨.《化学工程师》.2010,(第9期), |
| 煤气化过程中CO变换工艺探讨;于光元;《化学工程师》;20101231(第9期);45-47 * |
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| CN102304390A (en) | 2012-01-04 |
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