CN108543389B - Rapid cooling system and method for active coke desulfurization and denitrification device analytic tower - Google Patents
Rapid cooling system and method for active coke desulfurization and denitrification device analytic tower Download PDFInfo
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- CN108543389B CN108543389B CN201810685835.3A CN201810685835A CN108543389B CN 108543389 B CN108543389 B CN 108543389B CN 201810685835 A CN201810685835 A CN 201810685835A CN 108543389 B CN108543389 B CN 108543389B
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- valve
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- main pipeline
- air outlet
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- 238000001816 cooling Methods 0.000 title claims abstract description 29
- 239000000571 coke Substances 0.000 title claims abstract description 28
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 15
- 230000023556 desulfurization Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 238000004458 analytical method Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 206010000369 Accident Diseases 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 31
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 8
- 239000003546 flue gas Substances 0.000 abstract description 8
- 238000000746 purification Methods 0.000 abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Classifications
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3416—Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D1/00—Devices using naturally cold air or cold water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention aims at solving the problem that an analysis tower of an active coke desulfurization and denitrification device cannot be cooled rapidly in the prior art, provides a rapid cooling system and a rapid cooling method of the analysis tower of the active coke desulfurization and denitrification device, and belongs to the technical field of active coke flue gas purification. The rapid cooling system comprises an analytic tower, wherein a heating section is arranged in the middle of the analytic tower, an air inlet is formed in the heating section, an air outlet is formed in the upper part of the analytic tower, a main pipeline is arranged between the air outlet and the air inlet, the flowing direction of gas in the main pipeline is from the air outlet to the air inlet, and a heat exchange fan and a hot blast stove are sequentially arranged on the main pipeline along the flowing direction of the gas; and a 1# valve and 3 bypasses with valves are arranged on the main pipeline between the air outlet and the heat exchange fan. The system can cool the analysis system rapidly under the accident state, so that the temperature of the active coke is reduced below the ignition point rapidly, the overall safety of the active coke flue gas purification system is improved, and the production is guaranteed to be carried out smoothly.
Description
Technical Field
The invention belongs to the technical field of active coke flue gas purification, and particularly relates to a rapid cooling system and a rapid cooling method for an analytical tower of an active coke desulfurization and denitrification device.
Background
The technology is currently applied to treatment of various industrial waste gases, such as coal-fired boiler flue gas, sintering machine flue gas and waste incineration flue gas, and relates to a plurality of industries of chemical industry, electric power, metallurgy and the like.
In the active coke desulfurization and denitrification device, the main function of the analytic tower is to recover the activity of the active coke by heating and collect and regenerate the active coke in the processThe SO-enriched product is produced 2 Is a gas of (a) a gas of (b). The temperature of the heating section of the analytic tower exceeds 400 ℃, the temperature range of burning active coke is reached, and if the analytic tower leaks due to friction or corrosion of materials and the like, fire accidents can occur when the high-temperature active coke contacts with air. In the design, the analytic tower is protected by nitrogen, but in an accident state, nitrogen is filled into the analytic tower to cause the leakage of the nitrogen from a leakage point, and the nitrogen has the choking danger, so that the on-site inspection and timely treatment are not facilitated. In the actual process, the site is only cooled naturally, and after the temperature is reduced below the activity Jiao Randian, the nitrogen protection is removed, so that the site service personnel can start to find and treat the leakage point.
Therefore, the rapid cooling of the analytical tower is an important link for rapidly handling accidents.
Disclosure of Invention
The invention aims at solving the problem that an analytical tower of an active coke desulfurization and denitrification device cannot be cooled rapidly in the prior art, and provides a rapid cooling system and a rapid cooling method of the analytical tower of the active coke desulfurization and denitrification device. The system is convenient to operate, easy to realize, small in investment, stable and reliable in operation, small in maintenance amount, free of additional system equipment and space, and capable of enabling the analysis system to be rapidly cooled under an accident state, enabling the temperature of active coke to be rapidly reduced below a burning point, improving the overall safety of the active coke flue gas purification system, and being beneficial to guaranteeing smooth production.
One of the technical schemes of the invention is a rapid cooling system of an analytic tower of an active coke desulfurization and denitrification device, which comprises an analytic tower, wherein a heating section is arranged in the middle of the analytic tower, an air inlet is arranged in the heating section, an air outlet is arranged at the upper part of the analytic tower, a main pipeline is arranged between the air outlet and the air inlet, the flowing direction of gas in the main pipeline is from the air outlet to the air inlet, and a heat exchange fan and a hot blast stove are sequentially arranged on the main pipeline along the flowing direction of the gas; a 1# valve is arranged on the main pipeline between the air outlet and the heat exchange fan, a 1# bypass with a 2# valve is arranged on the main pipeline between the 1# valve and the heat exchange fan, and a normal diffusing pipeline with a 4# valve and a 2# bypass with a 3# valve are sequentially arranged on the main pipeline between the air outlet and the 1# valve along the gas flowing direction;
further, the No. 4 valve is an electric valve;
further, the outlet of the normal diffusing pipeline faces to an unmanned safety place.
The second technical scheme of the invention is a rapid cooling method of an analytical tower of an active coke desulfurization and denitrification device, which utilizes the rapid cooling system and comprises the following steps:
1) Under the normal production condition, a 1# valve and a 4# valve in the rapid cooling system are opened, a 2# valve and a 3# valve are closed, and the hot blast stove is in a heating state; the gas generated in the analytic tower is discharged from the air outlet and enters the main pipeline, one part of the gas is discharged from the system through the normal diffusing pipeline, and the other part of the gas is taken as high-temperature circulating gas, is pressurized by the heat exchange fan and then is fully mixed with the high-temperature gas generated by the hot blast stove in the hot blast stove, and then enters the heating section of the analytic tower; continuously generating gas in the analysis tower, continuously discharging the gas from the air outlet, and respectively discharging the gas from the system and serving as high-temperature circulating gas through a normal diffusing pipeline to complete the circulation of the gas;
2) In the fire accident state of the analysis tower, the 1# valve and the 4# valve are closed, the 2# valve and the 3# valve are opened, and the hot blast stove stops heating; the No. 1 bypass is used for introducing cold air into the main pipeline, pressurizing the cold air through the heat exchange fan and then enabling the cold air to enter the hot air furnace for stopping heating, enabling the cold air to enter the heating section of the analytic tower under the unheated condition, cooling high-temperature materials in the analytic tower by the cold air, discharging the cooled high-temperature materials from the air outlet into the main pipeline, and discharging the cooled high-temperature materials into the atmosphere through the No. 2 bypass, so that cooling of the analytic tower is realized.
Compared with the prior art, the invention has the advantages that:
1. the system realizes the change of the air source and the air direction by controlling the opening and closing of the valve, thereby realizing the heating and rapid cooling of the heating section.
2. The system is convenient to operate, easy to realize, small in investment, stable and reliable in operation, small in maintenance amount, free of additional system equipment and space, and capable of enabling the analysis system to be rapidly cooled under an accident state, enabling the temperature of active coke to be rapidly reduced below a burning point, improving the overall safety of the active coke flue gas purification system, and being beneficial to guaranteeing smooth production.
Drawings
FIG. 1, schematic diagram of the rapid cooling system of example 1;
the device comprises a valve 1, a valve 2, a bypass 3, a bypass 1, a bypass 4, a heat exchange fan 5, an analysis tower 6, a hot blast stove 7, an electric valve 4, a valve 8, a diffusing pipeline 9, a valve 3, a valve 10, a bypass 2, a bypass 11, a heating section 12, an air inlet 13, an air outlet 14 and a main pipeline.
Detailed Description
Example 1
The rapid cooling system of the active coke desulfurization and denitrification device analytic tower comprises an analytic tower 5, wherein the analytic tower 5 is provided with a heating section 11, the heating section 11 is provided with an air inlet 12, the upper part of the analytic tower 5 is provided with an air outlet 13, a main pipeline 14 is arranged between the air outlet 13 and the air inlet 12, the flowing direction of gas in the main pipeline is from the air outlet 13 to the air inlet 12, and a heat exchange fan 4 and a hot blast stove 6 are sequentially arranged on the main pipeline 14 along the flowing direction of the gas; the main pipeline 14 between the air outlet 13 and the heat exchange fan 4 is provided with a 1# valve 1, the main pipeline between the 1# valve 1 and the heat exchange fan 4 is provided with a 1# bypass 3 with a 2# valve 2, and the main pipeline 14 between the air outlet 13 and the 1# valve 1 is sequentially provided with a normal diffusing pipeline 8 with a 4# electric valve 7, an outlet of which faces an unmanned safety place, and a 2# bypass 10 with a 3# valve 9 along the gas flow direction.
Example 2
A rapid cooling method for an analytical tower of an active coke desulfurization and denitrification device utilizes the rapid cooling system of the embodiment 1, and comprises the following steps:
1) Under the normal production condition, a 1# valve 1 and a 4# electric valve 7 in the rapid cooling system are opened, a 2# valve 2 and a 3# valve 9 are closed, and the hot blast stove 6 is in a heating state; the gas generated in the analytic tower 5 is discharged from the air outlet 13 and enters the main pipeline 14, one part of the gas is discharged from the system through the normal diffusing pipeline 8, and the other part of the gas is taken as high-temperature circulating gas, pressurized by the heat exchange fan 4 and fully mixed with the high-temperature gas generated by the hot blast stove 6 in the hot blast stove 6 and enters the heating section 11 of the analytic tower; continuously generating gas in the analysis tower 5, continuously discharging the gas from the air outlet 13, and respectively discharging the gas from the system and being used as high-temperature circulating gas through the normal discharging pipeline 8 to complete gas circulation;
2) In the fire accident state of the analysis tower, the 1# valve 1 and the 4# valve 7 are closed, the 2# valve 2 and the 3# valve 9 are opened, and the hot blast stove 6 stops heating; the No. 1 bypass 3 is used for introducing cold air into the main pipeline 14, pressurizing the cold air through the heat exchange fan 4 and then enabling the cold air to enter the hot blast stove 6 for stopping heating, enabling the cold air to enter the heating section 11 of the analytic tower under the condition that the cold air is not heated through the hot blast stove 6, enabling the cold air to be discharged from the air outlet into the main pipeline after being heated by high-temperature materials in the analytic tower 5, and then enabling the cold air to be discharged into the atmosphere through the No. 2 bypass, so that cooling of the analytic tower is achieved.
The method can cool the analysis system rapidly, reduce the temperature of the active coke to below the ignition point rapidly, and save time by more than 20 hours compared with the conventional natural cooling method.
Claims (2)
1. A rapid cooling method of an active coke desulfurization and denitrification device analytical tower utilizes a rapid cooling system of the active coke desulfurization and denitrification device analytical tower, and comprises an analytical tower, wherein a heating section is arranged in the middle of the analytical tower, an air inlet is arranged in the heating section, an air outlet is arranged at the upper part of the analytical tower, a main pipeline is arranged between the air outlet and the air inlet, the flowing direction of gas in the main pipeline is from the air outlet to the air inlet, and a heat exchange fan and a hot blast stove are sequentially arranged on the main pipeline along the flowing direction of the gas; it is characterized in that a 1# valve is arranged on a main pipeline between the air outlet and the heat exchange fan, a 1# bypass with a 2# valve is arranged on the main pipeline between the 1# valve and the heat exchange fan, a normal diffusing pipeline with a 4# valve and a 2# bypass with a 3# valve are sequentially arranged on the main pipeline between the air outlet and the 1# valve along the gas flowing direction,
the method is characterized by comprising the following steps of:
1) Under the normal production condition, a 1# valve and a 4# valve in the rapid cooling system are opened, a 2# valve and a 3# valve are closed, and the hot blast stove is in a heating state; the gas generated in the analytic tower is discharged from the air outlet and enters the main pipeline, one part of the gas is discharged from the system through the normal diffusing pipeline, and the other part of the gas is taken as high-temperature circulating gas, is pressurized by the heat exchange fan and then is fully mixed with the high-temperature gas generated by the hot blast stove in the hot blast stove, and then enters the heating section of the analytic tower; continuously generating gas in the analysis tower, continuously discharging the gas from the air outlet, and respectively discharging the gas from the system and serving as high-temperature circulating gas through a normal diffusing pipeline to complete the circulation of the gas;
2) In the fire accident state of the analysis tower, the 1# valve and the 4# valve are closed, the 2# valve and the 3# valve are opened, and the hot blast stove stops heating; the No. 1 bypass is used for introducing cold air into the main pipeline, pressurizing the cold air through the heat exchange fan, then introducing the cold air into the hot air furnace for stopping heating, introducing the cold air into the heating section of the analytic tower under the unheated condition, cooling high-temperature materials in the analytic tower by the cold air, discharging the cooled high-temperature materials from the air outlet into the main pipeline, and discharging the cooled high-temperature materials into the atmosphere through the No. 2 bypass.
2. The rapid cooling method of the active coke desulfurization and denitrification device analytical tower according to claim 1, wherein the outlet of the normal diffusing pipeline faces an unmanned safe place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810685835.3A CN108543389B (en) | 2018-06-28 | 2018-06-28 | Rapid cooling system and method for active coke desulfurization and denitrification device analytic tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810685835.3A CN108543389B (en) | 2018-06-28 | 2018-06-28 | Rapid cooling system and method for active coke desulfurization and denitrification device analytic tower |
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| Publication Number | Publication Date |
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| CN108543389A CN108543389A (en) | 2018-09-18 |
| CN108543389B true CN108543389B (en) | 2024-02-06 |
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| CN201810685835.3A Active CN108543389B (en) | 2018-06-28 | 2018-06-28 | Rapid cooling system and method for active coke desulfurization and denitrification device analytic tower |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109621930B (en) * | 2019-02-01 | 2024-02-06 | 中冶北方（大连）工程技术有限公司 | Rapid cooling system and method for analytic tower in active coke flue gas purification system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202438329U (en) * | 2012-02-29 | 2012-09-19 | 上海克硫环保科技股份有限公司 | Simple heat-exchange type activated coke purifying regeneration treatment system |
| CN103785367A (en) * | 2014-02-27 | 2014-05-14 | 上海龙净环保科技工程有限公司 | Annular dividing wall type activated coke purification moving bed regeneration tower and activated coke regeneration method |
| CN104190388A (en) * | 2014-08-27 | 2014-12-10 | 中冶长天国际工程有限责任公司 | Activated carbon thermal desorption method and device capable of utilizing afterheat |
| CN104209107A (en) * | 2014-09-09 | 2014-12-17 | 西安西热锅炉环保工程有限公司 | High-efficiency desulfurized active coke analysis tower and analysis method |
| CN204768127U (en) * | 2015-04-29 | 2015-11-18 | 湖南中冶长天节能环保技术有限公司 | Prevent hot resolver of active carbon of analytic gas pipeline jam |
| CN105413326A (en) * | 2015-12-25 | 2016-03-23 | 中冶北方（大连）工程技术有限公司 | Active coke flue gas purifying system |
| CN205199520U (en) * | 2015-11-23 | 2016-05-04 | 金川集团股份有限公司 | A multi -functional analytic tower for regeneration gas is analytic |
| CN205613436U (en) * | 2016-05-16 | 2016-10-05 | 上海克硫环保科技股份有限公司 | Active burnt regeneration system |
| WO2018000857A1 (en) * | 2016-06-30 | 2018-01-04 | 中冶长天国际工程有限责任公司 | Flue gas desulfurization and denitrification method and device |
-
2018
- 2018-06-28 CN CN201810685835.3A patent/CN108543389B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202438329U (en) * | 2012-02-29 | 2012-09-19 | 上海克硫环保科技股份有限公司 | Simple heat-exchange type activated coke purifying regeneration treatment system |
| CN103785367A (en) * | 2014-02-27 | 2014-05-14 | 上海龙净环保科技工程有限公司 | Annular dividing wall type activated coke purification moving bed regeneration tower and activated coke regeneration method |
| CN104190388A (en) * | 2014-08-27 | 2014-12-10 | 中冶长天国际工程有限责任公司 | Activated carbon thermal desorption method and device capable of utilizing afterheat |
| CN104209107A (en) * | 2014-09-09 | 2014-12-17 | 西安西热锅炉环保工程有限公司 | High-efficiency desulfurized active coke analysis tower and analysis method |
| CN204768127U (en) * | 2015-04-29 | 2015-11-18 | 湖南中冶长天节能环保技术有限公司 | Prevent hot resolver of active carbon of analytic gas pipeline jam |
| CN205199520U (en) * | 2015-11-23 | 2016-05-04 | 金川集团股份有限公司 | A multi -functional analytic tower for regeneration gas is analytic |
| CN105413326A (en) * | 2015-12-25 | 2016-03-23 | 中冶北方（大连）工程技术有限公司 | Active coke flue gas purifying system |
| CN205613436U (en) * | 2016-05-16 | 2016-10-05 | 上海克硫环保科技股份有限公司 | Active burnt regeneration system |
| WO2018000857A1 (en) * | 2016-06-30 | 2018-01-04 | 中冶长天国际工程有限责任公司 | Flue gas desulfurization and denitrification method and device |
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