CN102989309A - Integrated smoke treatment device and treatment method thereof - Google Patents
Integrated smoke treatment device and treatment method thereof Download PDFInfo
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- CN102989309A CN102989309A CN2012105102337A CN201210510233A CN102989309A CN 102989309 A CN102989309 A CN 102989309A CN 2012105102337 A CN2012105102337 A CN 2012105102337A CN 201210510233 A CN201210510233 A CN 201210510233A CN 102989309 A CN102989309 A CN 102989309A
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Abstract
The invention relates to an integrated smoke treatment device and a treatment method thereof. The integrated smoke treatment device is characterized by comprising a vertical tubular reactor, wherein a smoke inlet of the tubular reactor is connected with a discharge flue of a boiler, and a top outlet of the tubular reactor is connected with an ash hopper arranged on a support; a dust collector is arranged in the ash hopper; a circulating pipe and an output pipe are arranged below the ash hopper and are respectively provided with a rotary valve, the output end of the circulating pipe is connected with a pulverized coal ash buffering tank, the bottom of the pulverized coal ash buffering tank is connected with a mixing humidifier by a pipe, and a pipe connected with a water source is arranged on the mixing humidifier; the output end of the mixing humidifier is communicated with the lower interior part of the tubular reactor by a pipe; and the output end of the output pipe below the ash hopper is connected with a spiral conveyor, and the output end of the spiral conveyor is connected with an airtight tank truck. According to the integrated smoke treatment device, sulfur dioxide is cured into pulverized coal ash by fully utilizing active matters in the pulverized coal ash after pulverized coal is burnt, so that the purpose of fixing sulfur and removing sulfur can be achieved. The integrated smoke treatment device and the treatment method are high in integration level and economy, and can be widely applied to smoke treatment process.
Description
Technical field
The present invention relates to a kind of flue gas processing equipment of boiler and processing method thereof, particularly about a kind of flue gas dry-type desulfurization, dedusting, storage ash integrated treatment unit and processing method thereof.
Background technology
All there are ripe self-contained unit in dry method dust, semi-dry desulphurization, storage ash at present, and the combined unit that also has some dust-removal and desulfurizings or dedusting storage ash, but dry type desulfurizing, dedusting, storage ash integrated apparatus are not yet arranged, especially be applied to this kind device in industry coal-boiler field.And the corresponding self-contained unit that exists at present, its Processes and apparatus is loaded down with trivial details, floor space is large, less economical, therefore, studies a kind of desulfurization, dedusting, the integrated device of storage ash, can further improve economy, and is conducive to protection of the environment.
Summary of the invention
For the problems referred to above, the purpose of this invention is to provide that a kind of desulfuration efficiency is high, functional integration is high, floor space is little, the flue gas dry-type desulfurization that operating cost is low, dedusting, storage ash integrated treatment unit and processing method thereof.
For achieving the above object, the present invention takes following technical scheme: a kind of flue gas integrated treatment unit, it is characterized in that: it comprises vertically disposed tubular reactor, the smoke inlet of described tubular reactor connects the smokejack of boiler, the top exit of described tubular reactor connects the ash bucket that is arranged on the support, be provided with deduster in the described ash bucket, described ash bucket below is provided with a circulating line and an output channel, be provided with the single-revolution valve on described circulating line and the output channel, the output of described circulating line connects coal dust ash surge tank, the bottom of described coal dust ash surge tank connects hybrid humidifier by pipeline, is provided with the pipeline at a connection water source on the described hybrid humidifier; The output of described hybrid humidifier is by the interior bottom of the described tubular reactor of pipeline communication; The output of the described output channel of described ash bucket below connects auger conveyor, and the output of described auger conveyor connects airtight tank car.
The outer wall of described coal dust ash surge tank circumferentially is provided with LOAD CELLS, and described LOAD CELLS is fixed on the support.
Also be provided with the pipeline of a connection doser on the described hybrid humidifier, the top of described doser connects the desulfurizing agent storage tank, store desulfurizer powder in the described desulfurizing agent storage tank, the outer wall of described desulfurizing agent storage tank circumferentially is provided with LOAD CELLS, and described LOAD CELLS is fixed on the support.
The described deduster that arranges in the described ash bucket is cyclone dust collectors and sack cleaner.
The processing method of above-mentioned a kind of flue gas integrated treatment unit, it may further comprise the steps: the boiler smoke that 1) will contain a large amount of dust and sulfur dioxide is sent into tubular reactor through smokejack, deduster in ash bucket obtains flyash after filtering again, and the dustless gas after the purification is discharged ash bucket; 2) flyash in the revolving valve on the ON cycle pipeline, ash bucket is sent into coal dust ash surge tank through circulating line; 3) flyash in the coal dust ash surge tank, and clean water enters hybrid humidifier, and the flyash behind the hybrid humidifier humidification by mixing of gas is sent into tubular reactor again; The calcium activated that contains in the sulfur dioxide that contains in the boiler smoke that smokejack enters in the tubular reactor and the flyash behind the humidification by mixing of gas reacts the generation solid salt, reaches the purpose of solid sulphur desulfurization; Flyash follows flue gas again to send in the ash bucket, and is ciculation fluidized; 4) when the too much or most flyash of the flyash that accumulates in the ash bucket have reacted complete, open the revolving valve on the output channel, the flyash in the ash bucket enters auger conveyor through output channel, by auger conveyor flyash is entered in the airtight tank car.
Described step 2) in, reaches the wherein weight of flyash by the real-time weighing coal dust ash of the outer LOAD CELLS that circumferentially arranges of the grey surge tank of coal dust surge tank, prevent from lacking powder or full powder in the coal dust ash surge tank.
In the described step 3), when calcium activated content in the flyash is low when causing desulfurized effect undesirable, the desulfurizer powder that stores in the desulfurizing agent storage tank is sent in the hybrid humidifier through doser.
The present invention is owing to take above technical scheme, and it has the following advantages: 1, tubular reactor of the present invention vertically arranges, and its smoke inlet connects the smokejack of boiler, and top exit connects ash bucket, is disposed with cyclone dust collectors and sack cleaner in the ash bucket; Therefore, the flyash that flue gas obtains can be collected into ash bucket behind cyclone dust collectors and sack cleaner double-filtration, dustless gas enters atmosphere.2, connect coal dust ash surge tank by circulating line bottom the ash bucket of the present invention, the outer LOAD CELLS that circumferentially is provided with of coal dust ash surge tank, by in real time weighing of LOAD CELLS coal dust ash surge tank and fall into the weight of flyash wherein, can prevent from lacking powder or full powder in the coal dust ash surge tank.3, coal dust ash surge tank of the present invention connects hybrid humidifier by pipeline, also connects inlet channel on the hybrid humidifier, and the coal dust ash is sent into tubular reactor again behind the humidification by mixing of gas in hybrid humidifier; Therefore, the calcium activated that contains in the flyash behind the humidification by mixing of gas can react the generation solid salt with the sulfur dioxide that contains in the boiler smoke in the tubular reactor, reaches the purpose of solid sulphur desulfurization.4, also be provided with the pipeline of a connection doser on the coal dust ash surge tank of the present invention, the doser top connects a desulfurizing agent storage tank, store desulfurizer powder in the desulfurizing agent storage tank, therefore, when calcium activated content in the flyash is low when causing desulfurized effect undesirable, the desulfurizer powder that stores in the desulfurizing agent storage tank can be sent in the hybrid humidifier through doser, desulfurizing agent is the high concentration active material, can greatly strengthen desulfurized effect.5, bottom the ash bucket of the present invention output channel is set also, the flyash in the ash bucket enters auger conveyor through output channel, by auger conveyor flyash is entered in the airtight tank car, and whole process is revealed without dust.Apparatus of the present invention structure arranges ingenious, easy to operate, take full advantage of the active material in the flyash behind the coal dust firing, by the time of contact of ciculation fluidized increase flyash and flue gas, under uniform temperature and damp condition, sulfur dioxide is cured in the flyash, thereby reaches the purpose of solid sulphur desulfurization; Simultaneously dust removal combined, store up grey function, functional integration is high, floor space is little, operating cost is low, economy is high, can not cause environmental pollution, can be widely used in the flue gas processing procedure.
Description of drawings
Fig. 1 is structural representation of the present invention
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
As shown in Figure 1, the present invention includes vertically disposed tubular reactor 1, the smoke inlet 2 of tubular reactor 1 connects the smokejack of boiler, the top exit of tubular reactor 1 connects the ash bucket 3 that is arranged on the support, be disposed with cyclone dust collectors 4 and sack cleaner 5 in the ash bucket 3, ash bucket 3 belows are provided with a circulating line 6 and an output channel 7, be provided with single-revolution valve 8 on circulating line 6 and the output channel 7, the output of circulating line 6 connects coal dust ash surge tank 9, the outer wall of coal dust ash surge tank 9 circumferentially is provided with LOAD CELLS 10, LOAD CELLS 10 is fixed on (not shown) on the support, the bottom of coal dust ash surge tank 9 connects hybrid humidifier 11 by pipeline, be provided with the pipeline 12 at a connection water source on the hybrid humidifier 11, also be provided with the pipeline of a connection doser 13 on the hybrid humidifier 11, doser 13 tops connect a desulfurizing agent storage tank 14, store desulfurizer powder in the desulfurizing agent storage tank 14, the outer wall of desulfurizing agent storage tank 14 circumferentially also is provided with LOAD CELLS 10, and LOAD CELLS 10 is fixed on (not shown) on the support.The output of hybrid humidifier 11 is by the interior bottom of pipeline communication tubular reactor 1.The output of the output channel 7 of ash bucket 3 belows connects auger conveyor 15, and the output of auger conveyor 15 connects airtight tank car (not shown).
The cardinal principle of the inventive method is: utilize the calcium activated that flyash contains in the flue gas, by the time of contact of ciculation fluidized increase flyash and flue gas, under uniform temperature and damp condition, sulfur dioxide is cured in the flyash, thereby reaches the purpose of solid sulphur desulfurization; When calcium activated content in the flyash is low when causing desulfurized effect undesirable, can add a certain amount of desulfurizing agent, improve desulfuration efficiency; Simultaneously dust removal combined, store up grey function, functional integration is high, floor space is little, operating cost is low.The concrete operation method of apparatus of the present invention may further comprise the steps:
1) boiler smoke that contains the pollutants such as a large amount of dust and sulfur dioxide before purifying enters vertically disposed tubular reactor 1 through smokejack, behind cyclone dust collectors 4 and sack cleaner 5 double-filtrations, obtain flyash, flyash is collected into ash bucket 3, and the dustless gas after the purification is discharged.
2) revolving valve 8 on the ON cycle pipeline 6, flyash in the ash bucket 3 is sent into coal dust ash surge tank 9 through circulating line 6, the LOAD CELLS 10 of coal dust ash surge tank 9 outer circumferential settings, in real time weighing coal dust ash surge tank 9 reaches the wherein weight of flyash, can prevent coal dust ash surge tank 9 interior scarce powder or full powder.
3) flyash in the coal dust ash surge tank 9, and clean water enters hybrid humidifier 11, and the flyash behind hybrid humidifier 11 humidification by mixing of gas is sent into tubular reactor 1 again; The calcium activated that contains in the sulfur dioxide that in the boiler smoke that smokejack enters, contains in the tubular reactor 1 and the flyash behind the humidification by mixing of gas, under suitable temperature and humidity condition, react the generation solid salt, sulfur dioxide is cured in the flyash, thereby reaches the purpose of solid sulphur desulfurization.Flyash follows flue gas again to send in the ash bucket 3, and is again ciculation fluidized by circulating line 6, by the time of contact of ciculation fluidized increase flyash and flue gas.
4) in the step 3), when calcium activated content in the flyash is low when causing desulfurized effect undesirable, the desulfurizer powder of desulfurizing agent storage tank 14 interior storages can be sent in the hybrid humidifier 11 through doser 13, desulfurizing agent is the high concentration active material, can greatly strengthen desulfurized effect.
When too much the or most flyash of flyash that 5) accumulate in the ash bucket 3 have reacted complete, open the revolving valve 8 on the output channel 7, flyash in the ash bucket 3 enters auger conveyor 15 through output channel 7, by auger conveyor 15 flyash is entered in the airtight tank car, whole process is revealed without dust.
The various embodiments described above only are used for explanation the present invention, and wherein the structure of each parts, connected mode etc. all can change to some extent, and every equivalents and improvement of carrying out on the basis of technical solution of the present invention all should do not got rid of outside protection scope of the present invention.
Claims (8)
1. flue gas integrated treatment unit, it is characterized in that: it comprises vertically disposed tubular reactor, the smoke inlet of described tubular reactor connects the smokejack of boiler, the top exit of described tubular reactor connects the ash bucket that is arranged on the support, be provided with deduster in the described ash bucket, described ash bucket below is provided with a circulating line and an output channel, be provided with the single-revolution valve on described circulating line and the output channel, the output of described circulating line connects coal dust ash surge tank, the bottom of described coal dust ash surge tank connects hybrid humidifier by pipeline, is provided with the pipeline at a connection water source on the described hybrid humidifier; The output of described hybrid humidifier is by the interior bottom of the described tubular reactor of pipeline communication; The output of the described output channel of described ash bucket below connects auger conveyor, and the output of described auger conveyor connects airtight tank car.
2. a kind of flue gas integrated treatment unit as claimed in claim 1 is characterized in that: the outer wall of described coal dust ash surge tank circumferentially is provided with LOAD CELLS, and described LOAD CELLS is fixed on the support.
3. a kind of flue gas integrated treatment unit as claimed in claim 1, it is characterized in that: the pipeline that also is provided with a connection doser on the described hybrid humidifier, the top of described doser connects the desulfurizing agent storage tank, store desulfurizer powder in the described desulfurizing agent storage tank, the outer wall of described desulfurizing agent storage tank circumferentially is provided with LOAD CELLS, and described LOAD CELLS is fixed on the support.
4. a kind of flue gas integrated treatment unit as claimed in claim 2, it is characterized in that: the pipeline that also is provided with a connection doser on the described hybrid humidifier, the top of described doser connects the desulfurizing agent storage tank, store desulfurizer powder in the described desulfurizing agent storage tank, the outer wall of described desulfurizing agent storage tank circumferentially is provided with LOAD CELLS, and described LOAD CELLS is fixed on the support.
5. as claimed in claim 1 or 2 or 3 or 4 a kind of flue gas integrated treatment unit, it is characterized in that: the described deduster that arranges in the described ash bucket is cyclone dust collectors and sack cleaner.
6. processing method such as claim 1～5 flue gas integrated treatment unit as described in each, it may further comprise the steps:
The boiler smoke that 1) will contain a large amount of dust and sulfur dioxide is sent into tubular reactor through smokejack, and the deduster in ash bucket obtains flyash after filtering again, and the dustless gas after the purification is discharged ash bucket;
2) flyash in the revolving valve on the ON cycle pipeline, ash bucket is sent into coal dust ash surge tank through circulating line;
3) flyash in the coal dust ash surge tank, and clean water enters hybrid humidifier, and the flyash behind the hybrid humidifier humidification by mixing of gas is sent into tubular reactor again; The calcium activated that contains in the sulfur dioxide that contains in the boiler smoke that smokejack enters in the tubular reactor and the flyash behind the humidification by mixing of gas reacts the generation solid salt, reaches the purpose of solid sulphur desulfurization; Flyash follows flue gas again to send in the ash bucket, and is ciculation fluidized;
4) when the too much or most flyash of the flyash that accumulates in the ash bucket have reacted complete, open the revolving valve on the output channel, the flyash in the ash bucket enters auger conveyor through output channel, by auger conveyor flyash is entered in the airtight tank car.
7. the processing method of a kind of flue gas integrated treatment unit as claimed in claim 6, it is characterized in that: described step 2), reach the wherein weight of flyash by the real-time weighing coal dust ash of the outer LOAD CELLS that circumferentially arranges of the grey surge tank of coal dust surge tank, prevent from lacking powder or full powder in the coal dust ash surge tank.
8. such as the processing method of claim 6 or 7 described a kind of flue gas integrated treatment units, it is characterized in that: in the described step 3), when calcium activated content in the flyash is low when causing desulfurized effect undesirable, the desulfurizer powder that stores in the desulfurizing agent storage tank is sent in the hybrid humidifier through doser.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105102337A CN102989309A (en) | 2012-12-03 | 2012-12-03 | Integrated smoke treatment device and treatment method thereof |
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| CN2012105102337A CN102989309A (en) | 2012-12-03 | 2012-12-03 | Integrated smoke treatment device and treatment method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105771507A (en) * | 2016-03-10 | 2016-07-20 | 颜声林 | Dust collection equipment with on-line dusting volume detection function |
| CN107252624A (en) * | 2017-06-19 | 2017-10-17 | 青海盐湖工业股份有限公司 | The semi-dry desulphurization system and technique of a kind of utilization flyash |
| CN111634945A (en) * | 2020-06-12 | 2020-09-08 | 承德锦科科技股份有限公司 | Device and method for producing low-valence vanadium oxide |
| CN111760437A (en) * | 2020-07-09 | 2020-10-13 | 陈焕林 | Novel flue gas desulfurization method |
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| CN201493051U (en) * | 2009-07-24 | 2010-06-02 | 黄震 | Flue gas desulfurization and return device for circulating fluidized bed |
| CN102671535A (en) * | 2012-06-15 | 2012-09-19 | 中冶赛迪工程技术股份有限公司 | Integrated purifying technology and device for desulfurating and dedusting smoke of semi-dry type circulating fluidized bed |
| CN203043839U (en) * | 2012-12-03 | 2013-07-10 | 煤炭科学研究总院 | Flue-gas integrated treating device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101125278A (en) * | 2006-07-04 | 2008-02-20 | 阿尔斯托姆科技有限公司 | Method and system for the separation of gaseous pollutants from hot process gases |
| CN201493051U (en) * | 2009-07-24 | 2010-06-02 | 黄震 | Flue gas desulfurization and return device for circulating fluidized bed |
| CN102671535A (en) * | 2012-06-15 | 2012-09-19 | 中冶赛迪工程技术股份有限公司 | Integrated purifying technology and device for desulfurating and dedusting smoke of semi-dry type circulating fluidized bed |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105771507A (en) * | 2016-03-10 | 2016-07-20 | 颜声林 | Dust collection equipment with on-line dusting volume detection function |
| CN107252624A (en) * | 2017-06-19 | 2017-10-17 | 青海盐湖工业股份有限公司 | The semi-dry desulphurization system and technique of a kind of utilization flyash |
| CN111634945A (en) * | 2020-06-12 | 2020-09-08 | 承德锦科科技股份有限公司 | Device and method for producing low-valence vanadium oxide |
| CN111634945B (en) * | 2020-06-12 | 2021-08-31 | 承德锦科科技股份有限公司 | Device and method for producing low-valence vanadium oxide |
| CN111760437A (en) * | 2020-07-09 | 2020-10-13 | 陈焕林 | Novel flue gas desulfurization method |
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Inventor after: Wang Naiji Inventor after: Liang Xing Inventor after: Li Ting Inventor after: Xu Yao Inventor after: Bai Yifei Inventor after: Zhang Song Inventor after: Cui Yuhong Inventor after: Li Xiaojiong Inventor after: Luo Wei Inventor after: Qi Jiannan Inventor after: Liu Zengbin Inventor after: Ji Renshan Inventor after: Tan Jing Inventor after: Liu Jianhang Inventor after: He Haijun Inventor after: Fan Wei Inventor after: Shang Qingyu Inventor after: Zhang Xin Inventor after: Feng Xianhe Inventor after: Xiao Cuiwei Inventor before: Wang Naiji Inventor before: Liang Xing Inventor before: Li Ting Inventor before: Xu Yao Inventor before: Bai Yifei Inventor before: Zhang Song Inventor before: Cui Yuhong Inventor before: Li Xiaojiong Inventor before: Luo Wei Inventor before: Qi Jiannan Inventor before: Liu Zengbin Inventor before: Feng Xianhe Inventor before: Tan Jing Inventor before: Liu Jianhang Inventor before: He Haijun Inventor before: Fan Wei Inventor before: Shang Qingyu Inventor before: Zhang Xin Inventor before: Ji Renshan Inventor before: Xiao Cuiwei |
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Free format text: CORRECT: INVENTOR; FROM: WANG NAIJI FENG XIANHE LIU JIANHANG HE HAIJUN FAN WEI SHANG QINGYU ZHANG XIN JI RENSHAN XIAO CUIWEI LIANG XING LI TING XU YAO BAI YIFEI ZHANG SONG CUI YUHONG LI XIAOJIONG LUO WEI QI JIANNAN LIU ZENGBIN TAN JING TO: WANG NAIJI JI RENSHAN LIU JIANHANG HE HAIJUN FAN WEI SHANG QINGYU ZHANG XIN FENG XIANHE XIAO CUIWEI LIANG XING LI TING XU YAO BAI YIFEI ZHANG SONG CUI YUHONG LI XIAOJIONG LUO WEI QI JIANNAN LIU ZENGBIN TAN JING |
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Effective date of registration: 20140624 Address after: 100013 Chaoyang District, Hepingli Youth Ditch Road, No. 5, No. Applicant after: Co., Ltd of coal science and technology academy Address before: 100013 Chaoyang District, Hepingli Youth Ditch Road, No. 5, No. Applicant before: General Research Institute of Coal Science |
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Application publication date: 20130327 |