CN101721882A - Circulating cooling system for active coke dry-method desulfuration adsorption tower moving bed and method - Google Patents
Circulating cooling system for active coke dry-method desulfuration adsorption tower moving bed and method Download PDFInfo
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- CN101721882A CN101721882A CN200910191933A CN200910191933A CN101721882A CN 101721882 A CN101721882 A CN 101721882A CN 200910191933 A CN200910191933 A CN 200910191933A CN 200910191933 A CN200910191933 A CN 200910191933A CN 101721882 A CN101721882 A CN 101721882A
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Abstract
The invention discloses a circulating cooling system for an active coke dry-method desulfuration adsorption tower moving bed, which is arranged in a moving bed desulfuration reaction cavity; the circulating cooling system comprises at least one section of tube type cooling unit, and the tube type cooling unit is arranged along the longitudinal direction of the moving bed desulfuration reaction cavity, a cooling medium inlet channel is arranged at the upper end of the tube type cooling unit, a cooling medium outlet channel is arranged at the lower end, electronic control valves are arranged on the cooling medium inlet channel and/or the cooling medium inlet channel of the tube type cooling unit, the system can lead the overhigh temperature of local area of the desulfuration reaction cavity to be reduced, so as to avoid safety accident caused by overhigh temperature; the invention further provides a circulating cooling method for an active coke dry-method desulfuration adsorption tower moving bed and an active coke dry-method desulfuration adsorption tower.
Description
Technical field
The present invention relates to the desulphurization plant field, particularly a kind ofly be used for active coke dry-method desulfuration adsorption tower moving bed circulating cooling system, also relate to a kind of active coke dry-method desulfuration adsorption tower moving bed circulating cooling method that is used in addition.
Background technology
The activated coke desulfurization technology belongs to dry type absorption method sulfur removal technology, it be the activated coke made with coal as desulfurizing agent, rely on activated coke to SO
2Absorption conciliate and to suck into the flue gas desulfurization circulation.Because of activated coke has the wide spectrum characterization of adsorption, this technology can remove multiple harmful substances simultaneously.Its consume water not substantially in sweetening process so do not have waste water, waste residue to produce, has excellent environmental-protecting performance.Desulfurization product is high concentration SO
2Gas can be produced sulfuric acid, sulphur, liquid SO
2, product such as chemical fertilizer, can effectively alleviate the problem of China's sulphur shortage of resources.The active coke dry-method desulfuration technology is used widely in the industry of states such as Japan, Germany.
At present, the adsorbent equipment in the activated coke absorption sulfur dioxide of flue gases technology mainly contains two kinds of forms: fixed bed and moving bed.
And the active coke desulphurizing tower that has been applied is generally the moving bed setting, realizes desulfurization by flue gas and activated coke cross-flow campaign.But the movement velocity of activated coke in moving bed is very slow, and it is step-down gradually around the mind-set therefrom that activated coke distributes in the cross section rate travel of moving bed, because activated coke absorption SO
2, H
2O and O
2And make it generate H
2SO
4Can emit more heat, this just makes locally in the moving bed have the situation of temperature accumulation to produce easily, when limiting case occurring, can cause activated coke to be caught fire, and influences the safe operation of desulfuration efficiency and device.
Therefore, be necessary to design a kind of active coke dry-method desulfuration adsorption tower moving bed cooling back installation that is used for, can solve in the use of moving bed, the too high problem that causes security incident of local temperature.
Summary of the invention
In view of this, the invention provides a kind of active coke dry-method desulfuration adsorption tower moving bed circulating cooling system and method for being used for, can solve in the active coke dry-method desulfuration adsorption tower moving bed use the too high problem that causes security incident of moving bed local temperature.
One of purpose of the present invention provides a kind of active coke dry-method desulfuration adsorption tower moving bed circulating cooling system that is used for, be arranged on the inside in moving bed desulphurization reaction chamber, described circulating cooling system comprises at least one section tubular type cooling unit, described tubular type cooling unit vertically being provided with along moving bed, the lower end of described tubular type cooling unit is provided with the cooling medium access road, its upper end is provided with the cooling medium exit passageway, and the cooling medium exit passageway and/or the cooling medium access road of described this tubular type cooling unit are provided with electric control valve.
Further, described circulating cooling system also comprises temperature-detecting device, and described temperature-detecting device is arranged on the inside in desulphurization reaction chamber and to position that should section tubular type cooling unit;
Described circulating cooling system also comprises control module, and described electric control valve and temperature-detecting device are electrically connected with control module.
Further, the quantity of described tubular type cooling unit is multistage, described multistage tubular type cooling unit vertically setting gradually along moving bed desulphurization reaction chamber;
Further, described tubular type cooling unit moving bed desulphurization reaction chamber vertically on adopt tortuous structure;
Further, the cooling medium exit passageway of described tubular type cooling unit is connected into the heating system of power plant;
Further, the cooling medium access road of described multistage tubular type cooling unit also is unified into a cooling medium main entrance passage, its cooling medium exit passageway also and be unified into a cooling medium main entrance passage, described ECU is arranged on each section tubular type cooling unit independently on cooling medium access road and/or the cooling medium exit passageway.
Two of purpose of the present invention provides a kind of active coke dry-method desulfuration adsorption tower moving bed circulating cooling method that is used for, promptly the tubular type cooling unit that multistage adopts tortuous structure longitudinally is set in the inside in moving bed desulphurization reaction chamber, each section tubular type cooling unit is respectively applied for the cooling of its moving bed desulphurization reaction chamber, place longitudinal component, the unlatching of every section tubular type cooling unit and turn-off by the corresponding temperature detecting unit that is arranged on the electric control valve on its cooling medium outlet and/or the cooling medium inlet and is arranged on inside, moving bed desulphurization reaction chamber and control, when local temperature surpasses a certain predetermined value m, open an angle by control module control electric control valve, make to be in this regional tubular type cooling unit feeding cooling medium; When local temperature surpasses predetermined value n, n.＞m, by control module control electric control valve standard-sized sheet, in the temperature range of m～n, the linear direct ratio of the aperture of electric control valve and variations in temperature.
Further, the outlet of the cooling medium of tubular type cooling unit is connected to the heating system of power plant, realizes recycling of the energy;
Further, described cooling medium is water, gas or oil.
Three of purpose of the present invention provides a kind of active coke dry-method desulfuration adsorption tower, comprises moving bed, in the inside in moving bed desulphurization reaction chamber foregoing circulating cooling system is set.
The invention has the beneficial effects as follows:
1. circulating cooling system of the present invention designs at the design feature of active coke dry-method desulfuration adsorption tower, by being set in active coke dry-method desulfuration adsorption tower moving bed inside, the circulating cooling system of being made of multistage tubular type cooling unit realizes goal of the invention, this multistage tubular type cooling unit vertically setting gradually along moving bed, cooperation by temperature-detecting device and control module, the regional temperature at one section tubular type cooling unit place is crossed in limited time therein, can in time open the electric control valve of this tubular type cooling unit, in this section cooling unit, feed cooling medium, the too high temperature in this zone is reduced, has avoided the too high security incident that causes of Yin Wendu; The package unit Stability Analysis of Structures, harmony is good, and the tubular type cooling unit both can be opened simultaneously, also can open separately at the subregion, the automaticity height, easy to operate;
2. by the tubular type cooling unit is arranged to tortuous structure, can guarantee cooling medium with fully the contacting of this moving bed space, zone, guarantee optimum cooling effect;
3. the present invention will send into again in the heating system of power plant through the cooling medium of thermo-contact, realize energy recycling, help improving power plant efficiency, compliance with environmental protection requirements.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can obtain instruction from the practice of the present invention to investigating hereinafter.Target of the present invention and other advantages can realize and obtain by following specification and claims.
Description of drawings
In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing, wherein:
Fig. 1 is the structural representation of circulating cooling system of the present invention;
Fig. 2 for for Fig. 1 along A to schematic diagram.
The specific embodiment
Hereinafter with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail.Should be appreciated that preferred embodiment only for the present invention is described, rather than in order to limit protection scope of the present invention.
As shown in the figure, of the present inventionly be used for active coke dry-method desulfuration adsorption tower moving bed circulating cooling system, be arranged on the inside in moving bed desulphurization reaction chamber 1, in the present embodiment, this circulating cooling system has comprised three sections tubular type cooling units 2, three sections tubular type cooling units 2 vertically setting gradually along moving bed desulphurization reaction chamber 1, the lower end of tubular type cooling unit 2 is provided with cooling medium access road 3, its upper end is provided with cooling medium exit passageway 4, the cooling medium access road 3 of three sections tubular type cooling units 2 also is unified into a cooling medium main entrance passage, its cooling medium exit passageway also and be unified into a cooling medium main entrance passage, in the present embodiment, three sections tubular type cooling units independently cooling medium exit passageway 4 are provided with electric control valve 5;
Circulating cooling system also comprises temperature-detecting device and control module, temperature-detecting device is arranged on the inside in moving bed desulphurization reaction chamber 1 and to position that should section tubular type cooling unit, electric control valve and temperature-detecting device are electrically connected with control module, controlled by it, in actual motion, in time find out the temperature conditions of region by temperature-detecting device, when the regional temperature at one section tubular type cooling unit place is wherein crossed in limited time, send signal by control module, in time open the electric control valve of this tubular type cooling unit, in this section tubular type cooling unit, feed cooling medium, the too high temperature in this zone is reduced, has avoided the too high security incident that causes of Yin Wendu.
Tubular type cooling unit 2 moving bed desulphurization reaction chamber 1 vertically on adopt tortuous structure, adopt this structure can realize fully contacting of cooling medium and 1 inner space, desulphurization reaction chamber, the mobile distance of prolongation cooling medium realizes better cooling effect.
In the circulating cooling system of the present invention, the cooling medium exit passageway 4 last heating systems that insert power plant of tubular type cooling unit 2 can realize energy recycling, compliance with environmental protection requirements.
The present invention proposes is used for active coke dry-method desulfuration adsorption tower moving bed circulating cooling method, be the tubular type cooling unit that multistage adopts tortuous structure longitudinally to be set in the inside in moving bed desulphurization reaction chamber, each section tubular type cooling unit is respectively applied for the cooling of its moving bed desulphurization reaction chamber, place longitudinal component, every section tubular type cooling unit includes cooling medium inlet and the cooling medium outlet that is arranged on its lower end, electric control valve that exports and the corresponding temperature detecting unit that is arranged on inside, moving bed desulphurization reaction chamber are controlled by being arranged on its cooling medium inlet and/or cooling medium for the unlatching of every section tubular type cooling unit and shutoff, when local temperature surpasses a certain predetermined value m, open an angle by control module control electric control valve, make to be in this regional tubular type cooling unit feeding cooling medium; When local temperature surpasses predetermined value n, n.＞m, by control module control electric control valve standard-sized sheet, in the temperature range of m～n, the linear direct ratio of the aperture of electric control valve and variations in temperature.In addition, the outlet of the cooling medium of tubular type cooling unit is connected to the heating system of power plant, can realizes recycling of the energy.
In this method, this cooling medium can adopt water, gas, oil or mixture.Wherein water is owing to be easy to obtain, and cost is lower, is suitable for using.
System and method of the present invention is by the cooperation of temperature-detecting device and control module, the regional temperature at one section tubular type cooling unit place is crossed in limited time therein, can in time open the electric control valve of this tubular type cooling unit, in this section cooling unit, feed cooling medium, the too high temperature in this zone is reduced, has avoided the too high security incident that causes of Yin Wendu; The whole system Stability Analysis of Structures, harmony is good, and the tubular type cooling unit both can be opened simultaneously, also can open separately at the subregion, the automaticity height, easy to operate.
The present invention also provides a kind of active coke dry-method desulfuration adsorption tower, comprise moving bed, inside in moving bed desulphurization reaction chamber is provided with aforesaid circulating cooling system, as shown in the figure, active coke dry-method desulfuration adsorption tower in the present embodiment has adopted the structure in two desulphurization reactions chamber, after the flue gas of needs processing enters adsorption tower inside from the flue between two desulphurization reaction chambeies, advance cigarette side shutter 6 via moving bed and enter 1 inside, desulphurization reaction chamber, by with fully the contacting of activated coke, realize the desulfurization purpose, flue gas after the desulfurization is discharged through moving bed smoke side opening plate 7, in sweetening process, when local temperature is too high, temperature-detecting device in this zone sends signal to control module, by control module control electric control valve standard-sized sheet or half-open, make to be in this regional tubular type cooling unit feeding cooling medium, realize the cooling purpose.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. be used for active coke dry-method desulfuration adsorption tower moving bed circulating cooling system, be arranged on the inside in moving bed desulphurization reaction chamber (1), it is characterized in that: described circulating cooling system comprises at least one section tubular type cooling unit (2), described tubular type cooling unit (2) vertically being provided with along moving bed desulphurization reaction chamber (1), the lower end of described tubular type cooling unit (2) is provided with cooling medium access road (3), its upper end is provided with cooling medium exit passageway (4), and the cooling medium exit passageway (4) and/or the cooling medium access road (3) of described this tubular type cooling unit (2) are provided with electric control valve (5).
2. according to claim 1ly be used for active coke dry-method desulfuration adsorption tower moving bed circulating cooling system, it is characterized in that: described circulating cooling system also comprises temperature-detecting device, and described temperature-detecting device is arranged on the inside of moving bed and to position that should section tubular type cooling unit;
Described circulating cooling system also comprises control module, and described electric control valve and temperature-detecting device are electrically connected with control module.
3. according to claim 2ly be used for active coke dry-method desulfuration adsorption tower moving bed circulating cooling system, it is characterized in that: the quantity of described tubular type cooling unit (2) is multistage, described multistage tubular type cooling unit (2) vertically setting gradually along moving bed desulphurization reaction chamber (1).
4. according to claim 3ly be used for active coke dry-method desulfuration adsorption tower moving bed circulating cooling system, it is characterized in that: described tubular type cooling unit (2) adopts tortuous structure vertically going up of moving bed desulphurization reaction chamber (1).
5. according to claim 4ly be used for active coke dry-method desulfuration adsorption tower moving bed circulating cooling system, it is characterized in that: the cooling medium exit passageway (4) of described tubular type cooling unit (2) is connected into the heating system of power plant.
6. according to claim 5ly be used for active coke dry-method desulfuration adsorption tower moving bed circulating cooling system, it is characterized in that: the cooling medium access road (3) of described multistage tubular type cooling unit (2) also is unified into a cooling medium main entrance passage, its cooling medium exit passageway also and be unified into a cooling medium main entrance passage, described ECU is arranged on each section tubular type cooling unit (2) independently on cooling medium exit passageway (4) and/or the cooling medium access road (3).
7. be used for active coke dry-method desulfuration adsorption tower moving bed circulating cooling method, it is characterized in that: the tubular type cooling unit that multistage adopts tortuous structure longitudinally is set in the inside in moving bed desulphurization reaction chamber, each section tubular type cooling unit is respectively applied for the cooling of its moving bed desulphurization reaction chamber, place longitudinal component, every section tubular type cooling unit includes cooling medium inlet and the cooling medium outlet that is arranged on its lower end, electric control valve that exports and the corresponding temperature detecting unit that is arranged on inside, moving bed desulphurization reaction chamber are controlled by being arranged on its cooling medium inlet and/or cooling medium for the unlatching of every section tubular type cooling unit and shutoff, when local temperature surpasses a certain predetermined value m, open an angle by control module control electric control valve, make to be in this regional tubular type cooling unit feeding cooling medium; When local temperature surpasses predetermined value n, n.＞m, by control module control electric control valve standard-sized sheet, in the temperature range of m～n, the linear direct ratio of the aperture of electric control valve and variations in temperature.
8. according to claim 7ly be used for active coke dry-method desulfuration adsorption tower moving bed circulating cooling method, it is characterized in that: described cooling medium is water, gas or oil.
9. describedly be used for active coke dry-method desulfuration adsorption tower moving bed circulating cooling method according to claim 7 or 8, it is characterized in that: the heating system that the cooling medium outlet of tubular type cooling unit is connected to power plant.
10. active coke dry-method desulfuration adsorption tower comprises moving bed, it is characterized in that: the inside in moving bed desulphurization reaction chamber is provided with as the described circulating cooling system of the arbitrary claim of claim 1 to 4.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910191933A CN101721882A (en) | 2009-12-15 | 2009-12-15 | Circulating cooling system for active coke dry-method desulfuration adsorption tower moving bed and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910191933A CN101721882A (en) | 2009-12-15 | 2009-12-15 | Circulating cooling system for active coke dry-method desulfuration adsorption tower moving bed and method |
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| CN200910191933A Pending CN101721882A (en) | 2009-12-15 | 2009-12-15 | Circulating cooling system for active coke dry-method desulfuration adsorption tower moving bed and method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908869A (en) * | 2012-10-23 | 2013-02-06 | 西安热工研究院有限公司 | Multi-layer type purifying absorption column for active coke smoke |
| CN105194981A (en) * | 2015-10-20 | 2015-12-30 | 国电科学技术研究院 | Cross-flow moving bed device provided with water cooling partition boards and multiple branch bins |
| CN105233627A (en) * | 2015-10-20 | 2016-01-13 | 国电科学技术研究院 | Multi-partition-bin cross flow moving bed device |
| CN107854924A (en) * | 2017-12-05 | 2018-03-30 | 上海克硫环保科技股份有限公司 | A kind of activated coke dry method flue gas processing method and system |
| CN108057314A (en) * | 2018-01-29 | 2018-05-22 | 中冶华天南京电气工程技术有限公司 | Activated coke dry flue gas desulphurization denitrating technique adsorption tower tower method for controlling temperature inner |
| WO2018119812A1 (en) * | 2016-12-29 | 2018-07-05 | 中国科学院过程工程研究所 | Activated carbon adsorption tower and gas purification device |
| CN108295617A (en) * | 2018-02-09 | 2018-07-20 | 北京中大能环工程技术有限公司 | A kind of high-temperature flue gas purification absorption tower and apply its flue gas processing method |
-
2009
- 2009-12-15 CN CN200910191933A patent/CN101721882A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908869A (en) * | 2012-10-23 | 2013-02-06 | 西安热工研究院有限公司 | Multi-layer type purifying absorption column for active coke smoke |
| CN105194981A (en) * | 2015-10-20 | 2015-12-30 | 国电科学技术研究院 | Cross-flow moving bed device provided with water cooling partition boards and multiple branch bins |
| CN105233627A (en) * | 2015-10-20 | 2016-01-13 | 国电科学技术研究院 | Multi-partition-bin cross flow moving bed device |
| WO2018119812A1 (en) * | 2016-12-29 | 2018-07-05 | 中国科学院过程工程研究所 | Activated carbon adsorption tower and gas purification device |
| US11571655B2 (en) | 2016-12-29 | 2023-02-07 | Institute Of Process Engineering, Chinese Academy Of Sciences | Activated carbon adsorption tower and gas purification device |
| CN107854924A (en) * | 2017-12-05 | 2018-03-30 | 上海克硫环保科技股份有限公司 | A kind of activated coke dry method flue gas processing method and system |
| CN108057314A (en) * | 2018-01-29 | 2018-05-22 | 中冶华天南京电气工程技术有限公司 | Activated coke dry flue gas desulphurization denitrating technique adsorption tower tower method for controlling temperature inner |
| CN108295617A (en) * | 2018-02-09 | 2018-07-20 | 北京中大能环工程技术有限公司 | A kind of high-temperature flue gas purification absorption tower and apply its flue gas processing method |
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Application publication date: 20100609 |