CN102230627A - High-temperature tail gas quenching reaction tower of refuse combustion furnace - Google Patents
High-temperature tail gas quenching reaction tower of refuse combustion furnace Download PDFInfo
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- CN102230627A CN102230627A CN2011100903480A CN201110090348A CN102230627A CN 102230627 A CN102230627 A CN 102230627A CN 2011100903480 A CN2011100903480 A CN 2011100903480A CN 201110090348 A CN201110090348 A CN 201110090348A CN 102230627 A CN102230627 A CN 102230627A
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Abstract
The invention discloses a high-temperature tail gas quenching reaction tower of a refuse combustion furnace. The high-temperature tail gas quenching reaction tower comprises a tower body, wherein an anticorrosion and fireproof layer is arranged on the inner wall of the tower body; a high-temperature tail gas inlet is formed on the top of the tower body, a tail gas outlet is formed on the lower part of the tower body and a dust discharging opening is formed at the bottom of the tower body; and at least one cooling water atomizer is inserted on the top and the middle-upper part in the tower body respectively. The temperature of high-temperature tail gas can be quickly reduced to 150 to 170 DEG C, so the problem that the generation of dioxin cannot be prevented in the prior art is solved; meanwhile, an effect of removing HCL, SO2 and other harmful substances by a subsequent cloth bag dust remover is enhanced, water drops are prevented from being attached to the surface of a cloth bag and the service life of the cloth bag is prolonged. The concentration of harmful substances at the inlet of a chimney is lower than 1/3 or 1/5 of a national specified value.
Description
Technical field
The present invention relates to a kind of high-temperature tail gas cooling processing device of incinerator, be specifically related to a kind of incinerator high-temperature tail gas quench reaction tower.
Background technology
Now, waste incineration and generating electricity has become the main path that developed country handles house refuse.But, contain a large amount of SO in the waste incineration furnace exhaust gas
2, sour gas and poisonous and harmful components such as dioxin (Dioxin), heavy metal such as HCl; After particularly the problem of dioxin was found, sack cleaner had fully replaced electric cleaner in garbage combustion device.But domestic processing as garbage incinerating tail gas at present mainly is to adopt semidry method.Yet there is following problems in semidry method: 1, lime white manufacturing system complexity, cost of investment height.2, lime white is carried and the serious wear of spray system, and power consumption is also higher, morning the operating cost height.3, because the use of lime white causes the fouling of reaction tower and flue to stop up easily.4, the use of lime white also causes hardening of cloth bag surface easily.5, because neutralization reaction is that lime white and harmful substance are carried out under the flow regime in reaction tower, collision probability is low, HCl, SO
2Clearance form the dry method of medicament hybrid films on the cloth bag surface low.The dry type pernicious gas facture that forms the medicament hybrid films on the cloth bag surface now commonly used in the world is advanced method, but still can't prevent the generation of dioxin.
Summary of the invention
The object of the present invention is to provide a kind of dioxin that prevents in the generation of 300 ℃ of left and right sides low-temperature regions with improve the incinerator high-temperature tail gas quench reaction tower of follow-up sack cleaner to the harmful substance clearance.
For achieving the above object, incinerator high-temperature tail gas quench reaction tower of the present invention, comprise tower body, described tower body inwall is provided with the corrosion resistant flame retardant coating, the tower body top is provided with that high-temperature tail gas import, bottom are provided with the tail gas outlet, the bottom is provided with ash discharging hole, and at least one cooling water sprayer is all inserted in the middle and upper part in tower body inner top and the tower body.
The cooling water atomizer head of middle and upper part becomes 30 ° of angles downwards and with the tower body axis in the described tower body.
Described cooling water sprayer outer casing internal diameter is greater than the stainless steel tube of cooling water sprayer external diameter, and the tail end of this stainless steel tube is connected with the afterbody sealing of cooling water sprayer, and the afterbody of stainless steel tube is provided with air and takes over.
Because the high-temperature tail gas that technique scheme is discharged incinerator imports tower body, eject small droplet by the cooling water sprayer that is provided with in the tower body, and because the rapid gasification of droplet is cooled off high-temperature tail gas rapidly, reduced the generation of dioxin significantly, improved simultaneously in follow-up sack cleaner for HCl, SO
2And the removal effect of other harmful substances, and prevented that water droplet from attached to the cloth bag surface, having prolonged the life-span of cloth bag.Therefore, the present invention has following obvious advantage: 1, reduced the probability that dioxin generates in the waste incineration furnace exhaust gas.2, prevented that simultaneously the sack cleaner surface in the follow-up engineering that water droplet causes from paying the deliquescence of powder, delayed sack cleaner the pressure loss rising and prolonged life-span of sack cleaner.3, owing to saved lime slurrying engineering, and what discharge in the system is dry ash fully, makes system simplification, easy operating and maintenance.4, avoid lime white in reaction tower and the fouling of flue and obstruction, also prevented the bonding of the lime white on the cloth bag.5, owing to the spraying in the quench reaction tower can be gasified totally, make quench reaction tower outlet exhaust temperature can reduce to 150 ℃, having improved the removal effect to various harmful substances greatly, is below 1/3rd or 1/5th of national regulation value according to test data at the concentration of narmful substance of chimney inlet.
Description of drawings
Fig. 1 is an incinerator high-temperature tail gas quench reaction tower structural representation of the present invention;
Fig. 2 is the structure chart of sprayer in the incinerator high-temperature tail gas quench reaction tower of the present invention;
Fig. 3 is an incinerator high-temperature tail gas quench reaction tower system flow chart of the present invention.
The specific embodiment
As seen from Figure 1, incinerator high-temperature tail gas quench reaction tower of the present invention comprises tower body 1, the tower body inwall is provided with corrosion resistant flame retardant coating 2, and tower body 1 top is provided with that high-temperature tail gas import 3, bottom are provided with tail gas outlet 4, the bottom is provided with ash discharging hole 5 and manhole 6, and ash discharging hole 5 leads to ash ejector 7.Look the tower body size, one or more cooling water sprayer 8 is all inserted in tower body 1 inner top and middle and upper part.For reaching best spray effect, 8 in the cooling water sprayer of middle and upper part becomes 30 ° of angles downwards and with tower body 1 axis in the tower body 1.
Referring to Fig. 2, in order to prevent that sour gas in the tail gas is to the corrosion of cooling water sprayer, cooling water sprayer 8 outer casing stainless steel pipes 9, the internal diameter of stainless steel tube 9 is greater than the external diameter of cooling water sprayer 8, make it form a circular passage, the tail end of stainless steel tube 9 is connected with the afterbody sealing of cooling water sprayer 8, and the afterbody of stainless steel tube 9 is provided with air and takes over 10.
The operation principle of incinerator high-temperature tail gas quench reaction tower of the present invention is described below in conjunction with Fig. 3.About about 850 ℃ tail gas of discharging from incinerator enters tower body 1 from high-temperature tail gas import 3, the flow velocity of tail gas in tower body 1 is about below the 5m/sec, the droplet of the cooling water sprayer 8 of middle and upper part about with big or small 40 μ m sprays to tail gas mobile tower body 1 in this moment tower body 1 inner top and the tower body 1, blow out behind the air process stainless steel sleeve pipe 9 that air blast 11 is sent simultaneously, form air curtain, avoided cooling water sprayer 8 to contact with the direct of tail gas.Droplet absorbs the heat content of tail gas and is gasified totally, and tail gas is because the loss of heat content is cooled to 150 ℃～170 ℃ rapidly.The tail gas of cooling is got rid of from tail gas outlet 4, enters follow-up cloth bag reactor by flue.Automatically adjust according to the temperature of cloth bag reactor inlet by cooling water inflow and air capacity that the cooling water sprayer 8 of middle and upper part in the tower body 1 ejects.Dust is sent into ash ejector 7 through ash discharging hole 5 in the tower body 1, and the dust that settles down is discharged to dust collecting.
Claims (3)
1. incinerator high-temperature tail gas quench reaction tower, comprise tower body, it is characterized in that: described tower body (1) inwall is provided with corrosion resistant flame retardant coating (2), tower body (1) top is provided with that high-temperature tail gas import (3), bottom are provided with tail gas outlet (4), the bottom is provided with ash discharging hole (5), and at least one cooling water sprayer (8) is all inserted in tower body (1) inner top and the interior middle and upper part of tower body (1).
2. incinerator high-temperature tail gas quench reaction tower according to claim 1 is characterized in that: cooling water sprayer (8) head of the interior middle and upper part of described tower body (1) becomes 30 ° of angles downwards and with tower body (1) axis.
3. incinerator high-temperature tail gas quench reaction tower according to claim 1 and 2, it is characterized in that: described cooling water sprayer (8) outer casing internal diameter is greater than the stainless steel tube (9) of cooling water sprayer (8) external diameter, the tail end of this stainless steel tube (9) is connected with the afterbody sealing of cooling water sprayer (8), and the afterbody of stainless steel tube (8) is provided with air and takes over (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100903480A CN102230627A (en) | 2011-04-12 | 2011-04-12 | High-temperature tail gas quenching reaction tower of refuse combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100903480A CN102230627A (en) | 2011-04-12 | 2011-04-12 | High-temperature tail gas quenching reaction tower of refuse combustion furnace |
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| CN102230627A true CN102230627A (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2011100903480A Pending CN102230627A (en) | 2011-04-12 | 2011-04-12 | High-temperature tail gas quenching reaction tower of refuse combustion furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494347A (en) * | 2011-12-14 | 2012-06-13 | 江苏中奥健康环保科技发展有限公司 | Flue gas quenching tower |
| CN103644570A (en) * | 2013-12-24 | 2014-03-19 | 河南海力特机电制造有限公司 | Efficient cooling device applied to rubbish incineration and achieving function through high-pressure water mist |
| WO2016092154A1 (en) | 2014-12-10 | 2016-06-16 | Evac Oy | Waste treatment installation |
| CN110319451A (en) * | 2019-07-10 | 2019-10-11 | 杭州中昊科技有限公司 | Quencher suitable for high-temperature flue gas |
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| US3431707A (en) * | 1966-04-07 | 1969-03-11 | Svenska Flaektfabriken Ab | Method in operating conditioning towers for furnace fumes containing dust to be recovered by means of electrostatic precipitators |
| CN1324998A (en) * | 2000-05-19 | 2001-12-05 | 株式会社神户制钢所 | High-temp. discharged-gas treatment method |
| JP2002364831A (en) * | 2001-06-08 | 2002-12-18 | Takuma Co Ltd | Exhaust gas cooling method and its device |
| JP2007163048A (en) * | 2005-12-14 | 2007-06-28 | Sumiju Kankyo Engineering Kk | Gas cooling tower and incineration system |
| CN201108791Y (en) * | 2008-01-10 | 2008-09-03 | 北京首秦冶金科技发展有限公司 | Three-layer jet nozzle cooling apparatus |
| CN201322313Y (en) * | 2008-11-27 | 2009-10-07 | 南京中船绿洲环保设备工程有限责任公司 | Flue gas chilling device |
| CN201322311Y (en) * | 2008-12-17 | 2009-10-07 | 安徽盛运机械股份有限公司 | Quench reaction tower for garbage incinerator tail gas |
| CN202061510U (en) * | 2011-04-12 | 2011-12-07 | 安徽盛运环保设备有限公司 | High-temperature tail gas cooling reaction tower for garbage incinerator |
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2011
- 2011-04-12 CN CN2011100903480A patent/CN102230627A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3431707A (en) * | 1966-04-07 | 1969-03-11 | Svenska Flaektfabriken Ab | Method in operating conditioning towers for furnace fumes containing dust to be recovered by means of electrostatic precipitators |
| CN1324998A (en) * | 2000-05-19 | 2001-12-05 | 株式会社神户制钢所 | High-temp. discharged-gas treatment method |
| JP2002364831A (en) * | 2001-06-08 | 2002-12-18 | Takuma Co Ltd | Exhaust gas cooling method and its device |
| JP2007163048A (en) * | 2005-12-14 | 2007-06-28 | Sumiju Kankyo Engineering Kk | Gas cooling tower and incineration system |
| CN201108791Y (en) * | 2008-01-10 | 2008-09-03 | 北京首秦冶金科技发展有限公司 | Three-layer jet nozzle cooling apparatus |
| CN201322313Y (en) * | 2008-11-27 | 2009-10-07 | 南京中船绿洲环保设备工程有限责任公司 | Flue gas chilling device |
| CN201322311Y (en) * | 2008-12-17 | 2009-10-07 | 安徽盛运机械股份有限公司 | Quench reaction tower for garbage incinerator tail gas |
| CN202061510U (en) * | 2011-04-12 | 2011-12-07 | 安徽盛运环保设备有限公司 | High-temperature tail gas cooling reaction tower for garbage incinerator |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494347A (en) * | 2011-12-14 | 2012-06-13 | 江苏中奥健康环保科技发展有限公司 | Flue gas quenching tower |
| CN102494347B (en) * | 2011-12-14 | 2014-10-08 | 江苏中奥健康环保科技发展有限公司 | Flue gas quenching tower |
| CN103644570A (en) * | 2013-12-24 | 2014-03-19 | 河南海力特机电制造有限公司 | Efficient cooling device applied to rubbish incineration and achieving function through high-pressure water mist |
| WO2016092154A1 (en) | 2014-12-10 | 2016-06-16 | Evac Oy | Waste treatment installation |
| DE212015000281U1 (en) | 2014-12-10 | 2017-07-19 | Evac Oy | A waste processing apparatus |
| KR20170099938A (en) | 2014-12-10 | 2017-09-01 | 에박 오이 | Waste treatment installation |
| CN110319451A (en) * | 2019-07-10 | 2019-10-11 | 杭州中昊科技有限公司 | Quencher suitable for high-temperature flue gas |
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Application publication date: 20111102 |