CN103623670A - Flue gas purification treatment system - Google Patents
Flue gas purification treatment system Download PDFInfo
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- CN103623670A CN103623670A CN201310569527.1A CN201310569527A CN103623670A CN 103623670 A CN103623670 A CN 103623670A CN 201310569527 A CN201310569527 A CN 201310569527A CN 103623670 A CN103623670 A CN 103623670A
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- flue gas
- air preheater
- cleaning fume
- jetting device
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Abstract
The invention discloses a flue gas purification treatment system which is characterized by being sequentially provided with a cooling system, a quenching system, a neutralization acid removal system, a dehydration system, an induced draft fan and a chimney along the flue gas treatment direction. The flue gas enters a waste heat boiler from a combustion chamber to be cooled once, and then enters the quenching system to be cooled to be below 200 DEG C, so that the reproduction of dioxin can be effectively prevented; then, neutralization acid removal treatment is carried out on the flue gas by alkali liquor, so that most acidic materials and smoke in the flue gas can be removed. The flue gas passes through the dehydration system, so that excessive water vapor and small water drops in the tail gas can be removed; then, the flue gas enters a flue gas reheating system to be heated. Then, slaked lime and activated carbon are utilized to be in full contact with and react with the flue gas, so that the aim of further deacidification can be achieved.
Description
Technical field
The present invention relates to a kind of system for cleaning fume, especially a kind of for the good flue gas purification system of poison gas treatment effect.
Background technology
Along with the more and more attention of environmental protection, the mode disposal of refuse that existing people not exclusively rely on soil to bury, more tends to refuse classification, and divides situation burning to sorted rubbish.Waste incineration at present, by rubbish is sent in refuse disposal installation, utilizes the garbage disposal ability of refuse disposal installation, makes harmless being discharged in the Nature of rubbish residue after processing.For some rubbish, contain bioxin, when burning is processed, can exist and remove halfway problem, thereby poisonous and harmful substance can be entrained in flue gas and is discharged in the Nature.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of system for cleaning fume, can will in flue gas, contain bioxin and part heavy metal is separated fully, thereby make it not to be discharged in atmosphere.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of system for cleaning fume, its innovative point is, described flue gas purification system along flue gas process direction be disposed with cooling system, chilling system, in and deacidification system, dewatering system, air-introduced machine and chimney.
Preferably, described cooling system is mainly the waste heat boiler being connected with combustion chamber pipeline.
Preferably, described chilling system is mainly the cryogenic tank being connected with waste heat boiler pipeline.
Preferably, in described and deacidification system be mainly the alkali lye moisture film process tank of inner splendid attire buck.
Preferably, between described dewatering system and described air-introduced machine, be provided with flue gas reheat system, described flue gas reheat system is mainly air preheater.
Preferably, on described air preheater, be provided with the calcium hydroxide jetting device being connected with described air preheater pipeline, in described calcium hydroxide jetting device, be placed with in advance calcium hydroxide.
Preferably, on described air preheater, be provided with the active carbon jetting device being connected with described air preheater pipeline, in described active carbon jetting device, be placed with active carbon.
Preferably, between described air preheater and described air-introduced machine, be provided with sack cleaner.
The invention has the advantages that: flue gas enters in waste heat boiler once cooling by combustion chamber, and then enter in chilling system, and guarantee that flue gas drops in 200 ℃ by 600 ℃ in 1S, thereby can effectively prevent the regeneration of dioxin, then in flue gas being carried out with alkali lye, process with depickling, remove most acidic materials and flue dust in flue gas.
This moment, the flue gas of moist low temperature is removed unnecessary steam and little water droplet in tail gas through dewatering system, then enters flue gas reheat system and carries out temperature raising, the high temperature air that utilizes air preheater to produce, exhaust temperature is brought up to more than 150 ℃, made not dewfall of follow-up equipment.Then calcium hydroxide, active carbon spray in flue gas reheat system by calcium hydroxide jetting device and active carbon jetting device, make calcium hydroxide, active carbon and flue gas carry out abundant haptoreaction, reach the object of further depickling.In addition, charcoal absorption bioxin and part heavy metal, and deposit on next stage device-bag-type dust remover bag wall of flue gas reheat system, form filter cake, make the absorbent of deposition continue to absorb gaseous contaminant in flue gas, thereby make final harmless being discharged in atmosphere of flue gas through air-introduced machine and chimney.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is done to further detailed description.
Diagram is the structural representation of a kind of system for cleaning fume of the present invention.
In figure: in 1-cooling system, 2-chilling system, 3-and deacidification system, 4-dewatering system, 5-air-introduced machine, 6-chimney, 7-flue gas reheat system, 8-calcium hydroxide jetting device, 9-active carbon jetting device, 10-sack cleaner.
The specific embodiment
Flue gas purification system of the present invention, along flue gas process direction be disposed with cooling system 1, chilling system 2, in and deacidification system 3, dewatering system 4, air-introduced machine 5 and chimney 6.Wherein, cooling system 1 is mainly the waste heat boiler being connected with combustion chamber pipeline; Chilling system 2 is mainly the cryogenic tank being connected with waste heat boiler pipeline; In and deacidification system 3 be mainly the alkali lye moisture film process tank of inner splendid attire buck.
The effect of flue gas reheat system 7 is mainly in order to prevent that dewfall phenomenon from appearring in the too low subsequent processing device that causes of flue-gas temperature.At dewatering system 4 and 5 of air-introduced machines, be provided with flue gas reheat system 7, this flue gas reheat system 7 is mainly air preheater, and the high temperature air that utilizes air preheater to produce, brings up to exhaust temperature more than 150 ℃.
For noxious materials such as bioxin in further removing smoke and part heavy metals, on air preheater, be provided with the calcium hydroxide jetting device 8 being connected with air preheater pipeline, in this calcium hydroxide jetting device 8, be placed with in advance calcium hydroxide.On air preheater, be provided with the active carbon jetting device 9 being connected with air preheater pipeline, in this active carbon jetting device 9, be placed with active carbon.By the flue gas in calcium hydroxide, active carbon and flue gas reheat system is carried out to abundant haptoreaction, reach the object of further depickling.
In order further to adsorb the harmful gaseous contaminant in flue gas, at air preheater and 5 of air-introduced machines, be provided with sack cleaner 10, thereby utilization is sprayed into charcoal absorption bioxin and the part heavy metal in flue gas reheat system, advance to the next stage device of flue gas reheat system 7--sack cleaner 10, and deposit on its bag of wall, form filter cake, make the absorbent of deposition continue to absorb gaseous contaminant in flue gas, thereby make final harmless being discharged in atmosphere of flue gas through air-introduced machine and chimney.Concrete principle and the course of work are as follows: flue gas enters in waste heat boiler once cooling by combustion chamber, and then enter in chilling system 2, and guarantee that flue gas drops in 200 ℃ by 600 ℃ in 1S, thereby can effectively prevent the regeneration of dioxin, then in flue gas being carried out with alkali lye, process with depickling, remove most acidic materials and flue dust in flue gas.This moment, the flue gas of moist low temperature is removed unnecessary steam and little water droplet in tail gas through dewatering system 4, then enters flue gas reheat system 7 and carries out temperature raising, the high temperature air that utilizes air preheater to produce, exhaust temperature is brought up to more than 150 ℃, made not dewfall of follow-up equipment.Then calcium hydroxide, active carbon spray in flue gas reheat system 7 by calcium hydroxide jetting device 8 and active carbon jetting device 9, make calcium hydroxide, active carbon and flue gas carry out abundant haptoreaction, reach the object of further depickling.In addition, charcoal absorption bioxin and part heavy metal, and deposit on next stage device-bag-type dust remover bag wall 10 of flue gas reheat system 7, form filter cake, make the absorbent of deposition continue to absorb gaseous contaminant in flue gas, thereby make final harmless being discharged in atmosphere of flue gas through air-introduced machine and chimney.
Above the invention embodiment is had been described in detail, but described content is only the preferred embodiment of the invention, can not be considered to for limiting the practical range of the invention.All equalization variations of doing according to the invention application range and improvement etc., within all should still belonging to the patent covering scope of the invention.
Claims (8)
1. a system for cleaning fume, is characterized in that, described flue gas purification system along flue gas process direction be disposed with cooling system, chilling system, in and deacidification system, dewatering system, air-introduced machine and chimney.
2. a kind of system for cleaning fume as claimed in claim 1, is characterized in that, described cooling system is mainly the waste heat boiler being connected with combustion chamber pipeline.
3. a kind of system for cleaning fume as claimed in claim 1 or 2, is characterized in that, described chilling system is mainly the cryogenic tank being connected with waste heat boiler pipeline.
4. a kind of system for cleaning fume as claimed in claim 1, is characterized in that, described in and deacidification system be mainly the alkali lye moisture film process tank of inner splendid attire buck.
5. a kind of system for cleaning fume as claimed in claim 1, is characterized in that, between described dewatering system and described air-introduced machine, is provided with flue gas reheat system, and described flue gas reheat system is mainly air preheater.
6. a kind of system for cleaning fume as claimed in claim 5, is characterized in that, is provided with the calcium hydroxide jetting device being connected with described air preheater pipeline on described air preheater, in described calcium hydroxide jetting device, is placed with in advance calcium hydroxide.
7. a kind of system for cleaning fume as claimed in claim 5, is characterized in that, is provided with the active carbon jetting device being connected with described air preheater pipeline on described air preheater, in described active carbon jetting device, is placed with active carbon.
8. a kind of system for cleaning fume as claimed in claim 5, is characterized in that, between described air preheater and described air-introduced machine, is provided with sack cleaner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310569527.1A CN103623670A (en) | 2013-11-13 | 2013-11-13 | Flue gas purification treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310569527.1A CN103623670A (en) | 2013-11-13 | 2013-11-13 | Flue gas purification treatment system |
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| CN103623670A true CN103623670A (en) | 2014-03-12 |
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| CN201310569527.1A Pending CN103623670A (en) | 2013-11-13 | 2013-11-13 | Flue gas purification treatment system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566396A (en) * | 2014-11-26 | 2015-04-29 | 安徽中科华炬环保科技有限公司 | System and method for treating hazardous wastes on the basis of plasma smelting furnace |
| CN105854552A (en) * | 2016-06-03 | 2016-08-17 | 上海第升环保科技有限公司 | Device for incinerating dioxin and odor in tail gas |
| CN105854571A (en) * | 2016-06-21 | 2016-08-17 | 南通天蓝环保能源成套设备有限公司 | Novel medical waste incineration flue gas purification system |
| CN107138036A (en) * | 2016-03-01 | 2017-09-08 | 兰州凯特环境技术工程有限公司 | Kaldo Furnace burns electricity/wiring board flue gas purifying method |
| CN109529566A (en) * | 2018-09-12 | 2019-03-29 | 毛丁 | Novel fume cleaning method and apparatus |
-
2013
- 2013-11-13 CN CN201310569527.1A patent/CN103623670A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566396A (en) * | 2014-11-26 | 2015-04-29 | 安徽中科华炬环保科技有限公司 | System and method for treating hazardous wastes on the basis of plasma smelting furnace |
| CN107138036A (en) * | 2016-03-01 | 2017-09-08 | 兰州凯特环境技术工程有限公司 | Kaldo Furnace burns electricity/wiring board flue gas purifying method |
| CN105854552A (en) * | 2016-06-03 | 2016-08-17 | 上海第升环保科技有限公司 | Device for incinerating dioxin and odor in tail gas |
| CN105854571A (en) * | 2016-06-21 | 2016-08-17 | 南通天蓝环保能源成套设备有限公司 | Novel medical waste incineration flue gas purification system |
| CN109529566A (en) * | 2018-09-12 | 2019-03-29 | 毛丁 | Novel fume cleaning method and apparatus |
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Application publication date: 20140312 |