CN202620997U - Integrated device for purifying flue gas generated during refuse burning - Google Patents
Integrated device for purifying flue gas generated during refuse burning Download PDFInfo
- Publication number
- CN202620997U CN202620997U CN2012201700290U CN201220170029U CN202620997U CN 202620997 U CN202620997 U CN 202620997U CN 2012201700290 U CN2012201700290 U CN 2012201700290U CN 201220170029 U CN201220170029 U CN 201220170029U CN 202620997 U CN202620997 U CN 202620997U
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- CN
- China
- Prior art keywords
- absorption tower
- flue gas
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- circulating air
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title abstract description 15
- 239000003546 flue gas Substances 0.000 title abstract description 15
- 238000010521 absorption reaction Methods 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000779 smoke Substances 0.000 claims description 15
- 239000002250 absorbent Substances 0.000 claims description 9
- 230000002745 absorbent Effects 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 14
- 239000000428 dust Substances 0.000 abstract description 9
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 8
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 239000013505 freshwater Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to an integrated device for purifying flue gas generated during refuse burning. The integrated device is characterized by comprising an ammonia water storage tank, an absorption tower, a bag-type dust remover, an absorber bin, an activated charcoal bin, a material circulating air chute, a process water tank and a bin pump, wherein the absorption tower comprises a feeding section, a Venturi tube, a Venturi diffusion section and a straight tube section from the top down; a flue gas outlet section at the top of the absorption tower is connected with a flue gas inlet of the bag-type dust remover; a flue gas inlet section at the bottom of the absorption tower is connected with an inlet flue; an ash bucket outlet at the bottom of the bag-type dust remover is connected with the absorption tower through the material circulating air chute; the inlet of the bin pump is connected with the material circulating air chute; and an outlet at the top of the absorption tower is connected with an inlet at the top of the bag-type dust remover. The integrated device has the advantages that the NOx removing rate can be about 50 percent; the SO2 removing rate can be more than 90 percent; the dust emission concentration is lower than 10 mg/Nm<3>; and the heavy metal removing rate can be more than 90 percent.
Description
Technical field
The utility model relates to a kind of smoke eliminator, relates in particular to a kind of garbage-incineration smoke purifying integrated apparatus.
Background technology
Rubbish can produce new pollutant in burning process, deal with improperly to produce secondary pollution, and the flue gas that produces in the burning process comprises 99% innocuous substance (N
2, O
2, CO
2, H
2O etc.), also have 1% harmful substance, comprise sour gas (SO
2, HCl, HF, CO
2And NO
xDeng), dust, heavy metal ， bioxin etc.; The method of normal processing sour gas is to utilize quick lime, and alkaline matters such as calcium hydroxide are through dry method, and semidry method or wet method contact with sour gas carries out neutralization reaction, and dry process is simple; Reduced investment, operating cost is low, and pollutants removal rate is relatively low; Wet processing is complicated, and investment is high, and operating cost is high, and pollutants removal rate is high, need carry out wastewater treatment; Semidry method is invested lowly than wet method between dry method and wet method, and pollutants removal rate is high than dry method.
Chinese large-sized garbage-incineration smoke purifying system adopts " semidry method+charcoal absorption+bag-type dust " combination smoke process for purifying basically, and the domestic municipal solid waste incinerator that has moved all is not provided with special nitrogen rejection facility, the NO in the flue gas at present
xConcentration of emission generally can be controlled in 300 ~ 400mg/Nm
3, can arrive 400 mg/Nm among the GB18485-2001
3Emission limit, but do not reach 200 mg/Nm among the EU2000/76/EC
3Emission limit, special nitrogen rejection facility must be set.
The utility model content
The purpose of the utility model provides a kind of garbage-incineration smoke purifying integrated apparatus.
The technical scheme that the utility model adopts is:
A kind of garbage-incineration smoke purifying integrated apparatus; Comprise tank used for storing ammonia, absorption tower, sack cleaner, absorbent storehouse, active carbon storehouse, material circulating air skewed slot, technology water tank and storehouse pump; Said absorption tower comprises feed zone, Venturi tube, venturi diffuser and direct tube section from top to bottom; The exhanst gas outlet section at top, said absorption tower links to each other with the smoke inlet of sack cleaner; The smoke inlet section of bottom, said absorption tower links to each other with gas approach; The ash bucket outlet of said sack cleaner bottom links to each other with the absorption tower through material circulating air skewed slot, and said storehouse pump intake links to each other with material circulating air skewed slot, and said absorption tower top exit links to each other with sack cleaner top inlet through flue; The outlet of said active carbon storehouse is located on the flue between absorption tower and the sack cleaner, and said technology water tank links to each other with the venturi diffuser on absorption tower with the absorbent storehouse.
The utility model has the advantages that: ammoniacal liquor is sprayed in the zone of 850 ~ 1100 ℃ of incinerator fire box temperatures as reducing agent, and making its rapid pyrolysis is NH
3With other accessory substances, NH subsequently
3With the NO in the flue gas
xCarry out the SNCR reaction and generate N
2Thereby, reach and remove NO
xPurpose, make NO
xRemoval efficiency can reach about 50%; Pulverized limestone and fresh water (FW) injection apparatus are set separately on the venturi diffuser of absorption tower, through to reaction tower water spray, the flue-gas temperature of reaction tower are controlled at more than the dew point about 20 ℃～25 ℃, make white lime and SO
2Be in best reactiveness, remove SO thereby react to reach
2Purpose, and can not cause the corrosion and the obstruction of upstream device, make SO
2Removal efficiency can reach more than 90%; Supporting sack cleaner after the desulfurization can extend contact time, and a part of desulphurization reaction accomplishes on cloth bag surface, improves the utilization rate of absorbent and adsorbent, further improves desulfuration efficiency, and can guarantee dust emission concentration＜10mg/Nm
3Through the formed huge granule surface area of the high density granular bed of fierce turbulence in the fluid bed tower, can effectively remove the heavy metal in the flue gas, average heavy metal removing rate reaches more than 90%; Utilize the huge specific area and the sack cleaner of material in active carbon and the tower, the most of heavy metal in the flue gas, bioxin are adsorbed, and make outlet dioxin discharge value＜0.1ngTEQ/m
3
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model.
Wherein: 1, tank used for storing ammonia, 2, the absorption tower, 3, sack cleaner, 4, the active carbon storehouse; 5, technology water tank, 6, the absorbent storehouse, 7, the venturi diffuser, 8, Venturi tube; 9, feed zone, 10, material circulating air skewed slot, 11, the storehouse pump; 12, direct tube section, 13, gas approach, 14, flue.
The specific embodiment
As shown in Figure 1; A kind of garbage-incineration smoke purifying integrated apparatus of the utility model; Comprise tank used for storing ammonia 1, absorption tower 2, sack cleaner 3, absorbent storehouse 6, active carbon storehouse 4, material circulating air skewed slot 10, technology water tank 5 and storehouse pump 11; Absorption tower 2 comprises feed zone 9, Venturi tube 8, venturi diffuser 7 and direct tube section 12 from top to bottom; The exhanst gas outlet section at 2 tops, absorption tower links to each other with the smoke inlet of sack cleaner 3, and the smoke inlet section of 2 bottoms, absorption tower links to each other with gas approach 13, and the ash bucket outlet of sack cleaner 3 bottoms links to each other with absorption tower 2 through material circulating air skewed slot 10; Pump 11 inlets in storehouse link to each other with material circulating air skewed slot 10; Absorption tower 2 top exits link to each other with sack cleaner 3 tops inlet through flue 14, and 4 outlets of active carbon storehouse are located on the flue 14 between absorption tower 2 and the sack cleaner 3, and technology water tank 5 links to each other with the venturi diffuser 7 on absorption tower 2 with absorbent storehouse 6.
The utility model has the advantages that: ammoniacal liquor is sprayed in the zone of 850 ~ 1100 ℃ of incinerator fire box temperatures as reducing agent, and making its rapid pyrolysis is NH
3With other accessory substances, NH subsequently
3With the NO in the flue gas
xCarry out the SNCR reaction and generate N
2Thereby, reach and remove NO
xPurpose, make NO
xRemoval efficiency can reach about 50%; Pulverized limestone and fresh water (FW) injection apparatus are set separately on the venturi diffuser of absorption tower, through to reaction tower water spray, the flue-gas temperature of reaction tower are controlled at more than the dew point about 20 ℃～25 ℃, make white lime and SO
2Be in best reactiveness, remove SO thereby react to reach
2Purpose, and can not cause the corrosion and the obstruction of upstream device, make SO
2Removal efficiency can reach more than 90%; Supporting sack cleaner after the desulfurization can extend contact time, and a part of desulphurization reaction accomplishes on cloth bag surface, improves the utilization rate of absorbent and adsorbent, further improves desulfuration efficiency, and can guarantee dust emission concentration＜10mg/Nm
3Through the formed huge granule surface area of the high density granular bed of fierce turbulence in the fluid bed tower, can effectively remove the heavy metal in the flue gas, average heavy metal removing rate reaches more than 90%; Utilize the huge specific area and the sack cleaner of material in active carbon and the tower, the most of heavy metal in the flue gas, bioxin are adsorbed, and make outlet dioxin discharge value＜0.1ngTEQ/m
3
Claims (1)
1. garbage-incineration smoke purifying integrated apparatus; It is characterized in that: comprise tank used for storing ammonia, absorption tower, sack cleaner, absorbent storehouse, active carbon storehouse, material circulating air skewed slot, technology water tank and storehouse pump; Said absorption tower comprises feed zone, Venturi tube, venturi diffuser and direct tube section from top to bottom; The exhanst gas outlet section at top, said absorption tower links to each other with the smoke inlet of sack cleaner; The smoke inlet section of bottom, said absorption tower links to each other with gas approach; The ash bucket outlet of said sack cleaner bottom links to each other with the absorption tower through material circulating air skewed slot, and said storehouse pump intake links to each other with material circulating air skewed slot, and said absorption tower top exit links to each other with sack cleaner top inlet through flue; The outlet of said active carbon storehouse is located on the flue between absorption tower and the sack cleaner, and said technology water tank links to each other with the venturi diffuser on absorption tower with the absorbent storehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201700290U CN202620997U (en) | 2012-04-20 | 2012-04-20 | Integrated device for purifying flue gas generated during refuse burning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201700290U CN202620997U (en) | 2012-04-20 | 2012-04-20 | Integrated device for purifying flue gas generated during refuse burning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202620997U true CN202620997U (en) | 2012-12-26 |
Family
ID=47374242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201700290U Expired - Fee Related CN202620997U (en) | 2012-04-20 | 2012-04-20 | Integrated device for purifying flue gas generated during refuse burning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202620997U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169914A (en) * | 2015-08-18 | 2015-12-23 | 中国瑞林工程技术有限公司 | Purifying apparatus and purifying method for treating incineration flue gas |
| CN105546552A (en) * | 2015-12-29 | 2016-05-04 | 东南大学 | Fluidized-bed high-temperature incineration and purification all-in-one device and method for resin type dangerous waste |
| CN113144862A (en) * | 2020-12-24 | 2021-07-23 | 上海康恒环境股份有限公司 | Biomass incineration power generation flue gas ultralow emission system and emission method thereof |
-
2012
- 2012-04-20 CN CN2012201700290U patent/CN202620997U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169914A (en) * | 2015-08-18 | 2015-12-23 | 中国瑞林工程技术有限公司 | Purifying apparatus and purifying method for treating incineration flue gas |
| CN105546552A (en) * | 2015-12-29 | 2016-05-04 | 东南大学 | Fluidized-bed high-temperature incineration and purification all-in-one device and method for resin type dangerous waste |
| CN105546552B (en) * | 2015-12-29 | 2018-03-20 | 东南大学 | Resinae dangerous waste fluid bed high temperature incineration purifying integration device and method |
| CN113144862A (en) * | 2020-12-24 | 2021-07-23 | 上海康恒环境股份有限公司 | Biomass incineration power generation flue gas ultralow emission system and emission method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Yushi Inventor after: Li Jieping Inventor after: Hong Guangxin Inventor after: Yang Huirong Inventor after: Cui Jianhua Inventor after: Li Hui Inventor before: Hong Guangxin Inventor before: Chen Yong Inventor before: Yang Huirong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HONG GUANGXIN CHEN YONG YANG HUIRONG TO: ZHOU YUSHI LI JIEPING HONG GUANGXIN YANG HUIRONG CUI JIANHUA LI HUI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20170912 Address after: 226200 Qidong Economic Development Zone, Jiangsu, Nanyuan West Road, No. 1085, No. Patentee after: JIANGSU RUIFAN ENERGY SAVING TECHNOLOGY CO., LTD. Address before: 226200 Qidong Economic Development Zone, Jiangsu, Nanyuan West Road, No. 1085, No. Patentee before: Jiangsu Ruifan Environmental Protection Equipment Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20210420 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |