CN203648384U - Integrated device for sintering gas, removing sulfur, removing dioxin and removing dust without electric dust collector - Google Patents
Integrated device for sintering gas, removing sulfur, removing dioxin and removing dust without electric dust collector Download PDFInfo
- Publication number
- CN203648384U CN203648384U CN201320851064.3U CN201320851064U CN203648384U CN 203648384 U CN203648384 U CN 203648384U CN 201320851064 U CN201320851064 U CN 201320851064U CN 203648384 U CN203648384 U CN 203648384U
- Authority
- CN
- China
- Prior art keywords
- desulfurizing tower
- outlet
- entrance
- dust collector
- desulfurization
- 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.)
- Expired - Lifetime
Links
- 239000000428 dust Substances 0.000 title claims abstract description 39
- 238000005245 sintering Methods 0.000 title claims abstract description 28
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title abstract description 3
- 229910052717 sulfur Inorganic materials 0.000 title abstract description 3
- 239000011593 sulfur Substances 0.000 title abstract 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 title abstract 3
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 56
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 238000006477 desulfuration reaction Methods 0.000 claims description 44
- 230000023556 desulfurization Effects 0.000 claims description 42
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 26
- 239000003546 flue gas Substances 0.000 claims description 26
- 239000007789 gas Substances 0.000 claims description 14
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 12
- 230000007613 environmental effect Effects 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000003595 mist Substances 0.000 claims description 2
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract description 3
- 239000000920 calcium hydroxide Substances 0.000 abstract description 3
- 235000011116 calcium hydroxide Nutrition 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- 239000012717 electrostatic precipitator Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to an integrated device for sintering gas, removing sulfur, removing dioxin and removing dust without an electric dust collector. The integrated device comprises a pre-dust collector, a main exhaust fan, a desulfurizing tower, a bag type dust collector and a desulfurizing fan, wherein an inlet of the pre-dust collector is connected with a sintering machine gas box; an inlet of the main exhaust fan is connected with an outlet of the pre-dust collector; an inlet of the desulfurizing tower is connected with an outlet of the main exhaust fan; an inlet of the bag type dust collector is connected with an outlet of the desulfurizing tower; an inlet of the desulfurizing fan is connected with an outlet of the bag type dust collector; an outlet of the desulfurizing fan is connected with outside atmosphere; the parts are connected through a smoke channel; a slaked lime bin and an active carbon bin are also connected with the inlet of the desulfurizing tower. Through the integrated device, a current electrostatic dust collector is omitted and replaced by the pre-dust collector, so that one-time investment fee is saved and operation power consumption of the electrostatic dust collector is also saved; meanwhile, the integrated device has a more environment-friendly function of removing dioxin and heavy metals.
Description
Technical field
the utility model relates to the flue gas desulfurization, Tuo bioxin, removing heavy-metal in stove field, dust removal integrated technology and equipment, particularly a kind of dust removal integrated equipment of sintering flue gas desulfurization Tuo bioxin of not establishing traditional electrical dedusting in steel industry sintering process that is applied to.
Background technology
the high-temperature flue gas that steel mill's sintering process produces all adopts electrostatic precipitator dedusting, and the gas after dedusting is sent into chimney through main exhauster and carried out high altitude discharge.Along with country to environment protection emission require increasingly strict, domestic 65% the not desulfurization of sintering device flue gas of still having an appointment at present, approximately 35% sintering machine has adopted the sulfur removal technology of various different modes, which kind of form desulfurization don't work, all do not break away from sinter fume and first adopt electrostatic precipitator, then adopt again desulfurization and more a kind of so i.e. consumption of dedusting invest and the pattern of power consumption and complex management.
Summary of the invention
the purpose of this utility model is to provide a kind of dust removal integrated equipment of sintering flue gas desulfurization Tuo bioxin of not establishing electric precipitation, when desulfurization, possess the more environment-friendly function of de-bioxin and removing heavy-metal, there is the advantage that flue gas desulfurization and dedusting efficiency is high, workable, system security of operation stable, energy consumption is low.
for achieving the above object, the technical solution adopted in the utility model is:
the de-dust removal integrated equipment of bioxin of sintering flue gas desulfurization of not establishing electric precipitation, comprises with lower member:
pre-duster, the entrance of described pre-duster is connected with sintering machine gas tank;
main exhauster, the entrance of described main exhauster is connected with the outlet of described pre-duster;
desulfurizing tower, the entrance of described desulfurizing tower is connected with the outlet of described main exhauster;
sack cleaner, the entrance of described sack cleaner is connected with the outlet of described desulfurizing tower;
desulfurization blower fan, the entrance of described desulfurization blower fan is connected with the outlet of described sack cleaner, and outlet is connected with outside atmosphere;
between above-mentioned parts described in each, be connected by flue, the entrance of described desulfurizing tower is also connected with niter ash silo, active carbon storehouse.
preferably, described pre-duster comprises that cyclone dust collectors or evaporation spray dust remover or evaporation spray dust remover and expansion chamber combine, pre-duster ash silo.
preferably, described desulfurizing tower is connected with the environmental barrier valve for controlling flue gas variable quantity, and the entrance of described environmental barrier valve is connected with atmosphere, outlet is connected with the entrance of described desulfurizing tower.
preferably, described desulfurizing tower, sack cleaner are integrated setting, also comprise for the desulfurizing tower high-temperature flue gas mist cooling humidifying device to described, for collect described sack cleaner Desulphurization and turn back to the Desulphurization circulatory system that described desulfurizing tower recycles, for store described sack cleaner iterative cycles use after desulfurization ash silo and the ash-discharging device of Desulphurization, the described Desulphurization circulatory system comprises fluidized air blower, air flume.
preferably, described niter ash silo, active carbon storehouse are respectively arranged with metering device.
preferably, described pre-duster, main exhauster, desulfurizing tower, sack cleaner, desulfurization blower fan and flue are provided with attemperator.
because technique scheme is used, the utility model compared with prior art has following advantages:
the utility model has saved existing electrostatic precipitator, replaces electrostatic precipitator with pre-duster, has saved investment cost one time, has also saved the operation power consumption of electrostatic precipitator; Possess the more environment-friendly function of Tuo bioxin and removing heavy-metal simultaneously, there is the advantage that flue gas desulfurization and dedusting efficiency is high, workable, system security of operation stable, energy consumption is low; Both met instantly strict environmental protection requirement, reduce investment outlay again and the energy resource consumption of electric cleaner, and process system had been simple to operate and convenient management.
Accompanying drawing explanation
accompanying drawing 1 is structural representation of the present utility model.
wherein: 1, gas tank, 2, flue, 3, pre-duster, 4, main exhauster, 5, niter ash silo, 6, active carbon storehouse, 7, environmental barrier valve, 8, desulfurizing tower, 9, sack cleaner, 10, desulfurization blower fan, 11, chimney.
The specific embodiment
below in conjunction with drawings and Examples, the utility model is further described:
a kind of dust removal integrated equipment of sintering flue gas desulfurization Tuo bioxin of not establishing electric precipitation as shown in Figure 1, connect sintering machine gas tank 1, comprise with lower member: a pre-duster 3, a main exhauster 4, a niter ash silo 5, an active carbon storehouse 6, an environmental barrier valve 7, a desulfurizing tower 8, a sack cleaner 9, a desulfurization blower fan 10, a chimney 11, all parts is communicated with by flue 2.This equipment has saved original electrostatic precipitator, in sintering desulfuration dust collecting process system, does not establish electrostatic precipitator, replaces electrostatic precipitator with pre-duster.Wherein:
the entrance of pre-duster 3 is connected with sintering machine gas tank 1; The entrance of main exhauster 4 is connected with the outlet of pre-duster 3; The entrance of desulfurizing tower 8 is connected with the outlet of main exhauster 4; The entrance of sack cleaner 9 be connected with the outlet of desulfurizing tower 8 and with desulfurizing tower 8 are integrated setting; The entrance of desulfurization blower fan 10 is connected with sack cleaner 9 outlets, and outlet is connected with chimney 11; In addition, niter ash silo 5, active carbon storehouse 6 are connected with the entrance of desulfurizing tower 8; The entrance of environmental barrier valve 7 is connected with atmosphere, outlet is connected with the entrance of desulfurizing tower 8.
in the present embodiment: pre-duster 3 comprises cyclone dust collectors or evaporation spray dust remover or evaporation spray dust remover and expansion chamber combines, pre-duster ash silo.Environmental barrier valve 7 is pneumatic device for opening, changes to control the exhaust gas volumn that sintering working conditions change causes, prevents the desulfurizing tower 8 recirculating fluidized beds bed that collapses.Desulfurizing tower 8, niter ash silo 5 and active carbon storehouse 6 are for desulfurization, de-bioxin and removing heavy-metal, wherein: niter ash silo 5, active carbon storehouse 6 are respectively arranged with metering device.Top outlet and the inlet duct of sack cleaner 9 of desulfurizing tower 8 are closely connected to form desulfurizing tower-deduster integrated apparatus, flue gas after desulfurization directly enters sack cleaner 9 dedustings, be conducive to that Desulphurization is unimpeded enters deduster dedusting, save total figure simultaneously and take up an area.Integrated apparatus comprise for to desulfurizing tower 8 cooling high-temperature fume humidification spray cooling devices, for desulfurizing tower 8 recycle that rear Desulphurization stores and the Desulphurization stocking system of outward transport, for collecting bag type deduster 9 Desulphurizations and turn back to the Desulphurization circulatory system that desulfurizing tower 8 recycles, for store sack cleaner 9 iterative cycles use after desulfurization ash silo and the ash-discharging device of Desulphurization, sack cleaner 9 is pulse bag type dust collector, and the Desulphurization circulatory system comprises fluidized air blower, air flume.
in addition: pre-duster 3, main exhauster 4, desulfurizing tower 8, sack cleaner 9, desulfurization blower fan 10 and flue 2 are provided with attemperator, and deduster ash silo is provided with steam or electric heater unit.
concrete operating process of setting forth lower the present embodiment below:
the high-temperature dusty gas that sintering process produces, enters pre-duster 3 by each gas tank 1 by flue 2 and carries out pre-dedusting; Flue gas after dedusting is sent into desulfurizing tower 8 and calcium hydroxide from niter ash silo 5 and is carried out desulfurization and de-bioxin, removing heavy-metal react from the active carbon in active carbon storehouse 6 by main exhauster 4, and the gas analyzer that the additions such as calcium hydroxide arrange according to chimney 11 places is measured setting value and determined; Flue gas after desulfurization enters sack cleaner 9 purifying and dedustings, and the clean gas after dedusting is sent into chimney 11 qualified discharges by desulfurization blower fan 10.In addition, desulfurizing tower 8 gas outlet temperatures are controlled at 90 ℃ of left and right by the spray cooling device that desulfurizing tower 8 and sack cleaner 9 form in integrated apparatus; The Desulphurization circulatory system and the Desulphurization stocking system desulfurizing tower 8 of ash after sack cleaner 9 dedustings being made a gift to someone recycles, and the Desulphurization after recycling finally sends into that sack cleaner storage ash silo stores and regularly outward transport is recycled.
desulfuration efficiency by the present embodiment is more than 90%, and efficiency of dust collection is more than 99.9%, and the gas discharging dust content after desulfurization and dedusting is stabilized in 20mg/ mark m
3
below, SO
2
discharge is stabilized in 100mg/ mark m
3
below, even lower than 50mg/ mark m
3
.
the equipment of the present embodiment is applicable to the flue gas desulfurization and dedusting of newly-built sintering project.Take: the entrance of pre-duster 3 is communicated with sintering machine gas tank 1 by flue 2, the outlet of pre-duster 3 is communicated with main exhauster 4 entrances, main exhauster 4 outlets are connected with desulfurizing tower 8, the entrance of environmental barrier valve 7 connects atmosphere, outlet is arranged on the inlet duct of desulfurizing tower 8, the entrance of desulfurizing tower 8 is connected with niter ash silo 5 and active carbon storehouse 6 respectively, the inlet duct of the outlet of desulfurizing tower 8 and sack cleaner 9 is closely connected to form desulfurizing tower-deduster integrated apparatus, flue gas after desulfurization directly enters sack cleaner 9 dedustings, the outlet of sack cleaner 9 is communicated with chimney 11 by desulfurization blower fan 10.
the equipment of the present embodiment is also applicable to existing sintering dust transformation.Take: remove existing electric cleaner, replace with pre-duster 3, retain existing main exhauster 4 and be communicated with desulfurizing tower 8, the entrance of environmental barrier valve 7 connects atmosphere, outlet is arranged on the inlet duct of desulfurizing tower 8, the entrance of desulfurizing tower 8 is connected with niter ash silo 5 and active carbon storehouse 6 respectively, the inlet duct of the outlet of desulfurizing tower 8 and sack cleaner 9 is closely connected to form desulfurizing tower-deduster integrated apparatus, flue gas after desulfurization directly enters sack cleaner 9 dedustings, and the outlet of sack cleaner 9 is communicated with chimney 11 by desulfurization blower fan 10.
above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (6)
1. the de-dust removal integrated equipment of bioxin of sintering flue gas desulfurization of not establishing electric precipitation, is characterized in that: comprise with lower member:
Pre-duster, the entrance of described pre-duster is connected with sintering machine gas tank;
Main exhauster, the entrance of described main exhauster is connected with the outlet of described pre-duster;
Desulfurizing tower, the entrance of described desulfurizing tower is connected with the outlet of described main exhauster;
Sack cleaner, the entrance of described sack cleaner is connected with the outlet of described desulfurizing tower;
Desulfurization blower fan, the entrance of described desulfurization blower fan is connected with the outlet of described sack cleaner, and outlet is connected with outside atmosphere;
Between above-mentioned parts described in each, be connected by flue, the entrance of described desulfurizing tower is also connected with niter ash silo, active carbon storehouse.
2. a kind of dust removal integrated equipment of sintering flue gas desulfurization Tuo bioxin of not establishing electric precipitation according to claim 1, is characterized in that: described pre-duster comprises cyclone dust collectors or evaporation spray dust remover or evaporation spray dust remover and expansion chamber combines, pre-duster storage ash silo.
3. a kind of dust removal integrated equipment of sintering flue gas desulfurization Tuo bioxin of not establishing electric precipitation according to claim 1, it is characterized in that: described desulfurizing tower is connected with the environmental barrier valve for controlling flue gas variable quantity, the entrance of described environmental barrier valve is connected with atmosphere, outlet is connected with the entrance of described desulfurizing tower.
4. a kind of dust removal integrated equipment of sintering flue gas desulfurization Tuo bioxin of not establishing electric precipitation according to claim 1, it is characterized in that: described desulfurizing tower, sack cleaner is integrated setting, also comprise for the desulfurizing tower high-temperature flue gas mist cooling humidifying device to described, for collecting described sack cleaner Desulphurization and turning back to the Desulphurization circulatory system that described desulfurizing tower recycles, for storing described sack cleaner desulfurization ash silo and the ash-discharging device of the rear Desulphurization of iterative cycles use, the described Desulphurization circulatory system comprises fluidized air blower, air flume.
5. a kind of de-dust removal integrated equipment of bioxin of sintering flue gas desulfurization of not establishing electric precipitation according to claim 1, is characterized in that: described niter ash silo, active carbon storehouse are respectively arranged with metering device.
6. a kind of dust removal integrated equipment of sintering flue gas desulfurization Tuo bioxin of not establishing electric precipitation according to claim 1, is characterized in that: described pre-duster, main exhauster, desulfurizing tower, sack cleaner, desulfurization blower fan and flue are provided with attemperator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320851064.3U CN203648384U (en) | 2013-12-23 | 2013-12-23 | Integrated device for sintering gas, removing sulfur, removing dioxin and removing dust without electric dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320851064.3U CN203648384U (en) | 2013-12-23 | 2013-12-23 | Integrated device for sintering gas, removing sulfur, removing dioxin and removing dust without electric dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203648384U true CN203648384U (en) | 2014-06-18 |
Family
ID=50914827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320851064.3U Expired - Lifetime CN203648384U (en) | 2013-12-23 | 2013-12-23 | Integrated device for sintering gas, removing sulfur, removing dioxin and removing dust without electric dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203648384U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706245A (en) * | 2013-12-23 | 2014-04-09 | 科林环保装备股份有限公司 | Integrated sintering flue gas desulfurization/dioxin removal/dust collection equipment without electrostatic dust collector |
| CN105318734A (en) * | 2015-03-21 | 2016-02-10 | 李正福 | Device and method for applying and purifying waste heat of low-temperature waste gas of large sintering flue |
-
2013
- 2013-12-23 CN CN201320851064.3U patent/CN203648384U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706245A (en) * | 2013-12-23 | 2014-04-09 | 科林环保装备股份有限公司 | Integrated sintering flue gas desulfurization/dioxin removal/dust collection equipment without electrostatic dust collector |
| CN105318734A (en) * | 2015-03-21 | 2016-02-10 | 李正福 | Device and method for applying and purifying waste heat of low-temperature waste gas of large sintering flue |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108636098A (en) | A kind of the minimum discharge purifier and its method of burning city domestic garbage flue gas | |
| CN204005957U (en) | A kind of cooperation-removal system that realizes the minimum discharge of coal steam-electric plant smoke multi-pollutant | |
| CN105195008A (en) | Process and equipment for flue gas roasting, adsorption desulfurization, dust removal and purification by adopting combination process | |
| CN102824837A (en) | Complete equipment and method for wet processing of sludge incineration offgas | |
| CN204320062U (en) | A kind of high effective flue gas cleaning system | |
| CN105289248A (en) | Wet-type purification treatment method and device for flue gas of domestic garbage incineration power plant | |
| CN101905116B (en) | Sintered flue gas desulfurization device | |
| CN103318981A (en) | Wastewater zero-discharging device with wet-type electric precipitator and wastewater treatment method of wastewater zero-discharging device | |
| CN103861419A (en) | Comprehensive wetly-desulfurized flue gas treatment method | |
| CN206055656U (en) | Fume afterheat water conservancy diversion heat-exchanger rig | |
| CN103706245A (en) | Integrated sintering flue gas desulfurization/dioxin removal/dust collection equipment without electrostatic dust collector | |
| CN203648384U (en) | Integrated device for sintering gas, removing sulfur, removing dioxin and removing dust without electric dust collector | |
| CN101264418A (en) | Pre-cooling recycling semi-dry process desulfurization dust-removing technique | |
| CN208599489U (en) | A kind of cement kiln flue gas SCR denitration system | |
| CN204138692U (en) | A kind of novel converter flue gas dust removing apparatus by wet method | |
| CN201760229U (en) | Sintering flue gas desulfurization device | |
| CN203648383U (en) | Sintering flue gas comprehensive treatment device free of electrostatic precipitator and blower fan | |
| CN107952296B (en) | Sintered pellet flue gas multi-pollutant collaborative purification system based on bag type dust removal | |
| CN110115916A (en) | The tapping equipment and technique of gas boiler flue gas | |
| CN205948658U (en) | Power plant gas cleaning system | |
| CN206676217U (en) | Packaging type intelligent control boiler smoke processing system | |
| CN103721558A (en) | Sintering flue gas comprehensive treatment device with no electric deduster or booster fan | |
| CN202740997U (en) | Complete device for processing sludge incineration tail gas by using wet method | |
| CN206055666U (en) | Energy-conservation heat transfer flue device | |
| CN208032310U (en) | A kind of anti-ash system of semi-dry desulphurization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160805 Address after: Split eight communities in Wujiang District of Suzhou City, Jiangsu province 215000 Patentee after: KELIN ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Address before: Song Ling Zhen Wujiang District of Suzhou City, Jiangsu province 215222 split eight community traffic road No. 8 Patentee before: Kelin Environmental Protection Equipment, Inc. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |
|
| CX01 | Expiry of patent term |