CN205435460U - Integrative tower is handled to dry and cold formula flue gas ground fog ultra -clean - Google Patents
Integrative tower is handled to dry and cold formula flue gas ground fog ultra -clean Download PDFInfo
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- CN205435460U CN205435460U CN201620220886.5U CN201620220886U CN205435460U CN 205435460 U CN205435460 U CN 205435460U CN 201620220886 U CN201620220886 U CN 201620220886U CN 205435460 U CN205435460 U CN 205435460U
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Abstract
The utility model discloses an integrative tower is handled to dry and cold formula flue gas ground fog ultra -clean, including wet flue gas desulfurization absorption tower, dry and cold defroster, wet electrostatic precipitator and top of the tower chimney, the wet flue gas desulfurization absorption tower includes thick liquid pond, absorption tower and desulfurization layer, is equipped with the oxidation spray gun on the thick liquid pond and has seted up the flue gas access road with side agitator, absorption tower side, and the desulfurization in situ is provided with porous turbulent tray, atomizing spray set and house rigde defroster, install the dry and cold defroster of flue gas cooling tube bank in the dry and cold defroster, install positive pole honeycomb pipe die piece and negative pole line in the wet electrostatic precipitator. The utility model discloses can get rid of SO2 and droplet in the flue gas effectively, eliminate the white fog of flue gas white fog phenomenon, especially winter, eliminate " gypsum rain " phenomenon, can also reduce PM2.5 dust, SO3 and pollutants such as mercury and oxide simultaneously, provide flue gas and the service of desulfurization emission integral type for flue gas pollutant discharge enterprise.
Description
Technical field
This utility model relates to blowdown Treatment process field, particularly relates to a kind of cold-dry type flue gas ground fog ultra-clean process integrated tower.
Background technology
The energy consumption per unit that China " 12 " planning outline proposes declines 16%, and CO2 emission reduces by 17%, and total emissions of major pollutants reduces 8-10%." 12 " are the critical periods of China's socio-economic development transition, it is achieved low carbon development, Green Development are the themes that " 12 " are developed.But due to the particularity of China's energy resource structure, within considerable time, the primary energy supply pattern based on coal will not occur essence to change.Generally speaking, " 12 " period, energy demand also can keep the situation of rapid growth, according to State Grid's project study center about " the medium-term and long-term generating capacity of China and electricity needs development prediction ", by the end of the year 2013, China's coal electricity installed capacity is 8.47 hundred million kilowatts.Prediction the year two thousand thirty coal Denso machine 12.5-14 hundred million kilowatts；The year two thousand fifty coal Denso machine 14-15 hundred million kilowatts.Large-scale coal fired power generation can bring than the most serious environmental problem.
Coal-burning boiler the most in all parts of the country the most maybe will add desulfurizer, wherein more than 90% is wet desulphurization device, the purpose of desulfurization own is removing pollutants in air SO2, improve air quality, but, the wet flue gas fog that desulfurization Wet chimney is discharged is the biggest, misunderstanding is caused to neighbouring resident, think it is dense smoke, and the flue gas hangover having is the longest, the living environment of significantly affecting local resident.Additionally, desulfurization " gypsum rain " phenomenon is a national difficult problem now, the gypsum rain (mainly being carried secretly by droplet) that desulfurizing tower is discharged descends slowly and lightly to the vegetable plot of peasant, the windowsill balcony etc. of resident, brings the inconvenience of life to local resident, is easily complained by local resident.
Utility model content
In order to solve above technical problem, this utility model provide a kind of high-efficiency desulfurization again can ultralow dedusting, removing flue gas white haze and can work as chimney use, characteristics of compact layout, save place, investment reduction cost and reduce the enforcement time, and specious cold-dry type flue gas ground fog ultra-clean process integrated tower.
A kind of cold-dry type flue gas ground fog ultra-clean process integrated tower of the present utility model, include wet desulphurization absorption tower, dry and cold demister, wet cottrell and tower top chimney the most successively, described wet desulphurization absorption tower includes slurry pool, absorption tower and desulfurization layer from top to bottom, described slurry pool is provided with oxidation spray gun and side agitator, described absorption tower side offers smoke inlet passage, is disposed with porous turbulent flow pallet, atomizing sprayer and ridge type demister in described desulfurization layer from bottom to up；Flue gas dry and cold demister cooling tube bundle is installed in described dry and cold demister；Anode honeycomb duct module and the cathode line being arranged in anode honeycomb duct module are installed in described wet cottrell.
In a kind of cold-dry type flue gas ground fog ultra-clean process integrated tower of the application, high-efficiency wet-desulfurizing absorption tower utilizes porous turbulent flow pallet by flue gas and the abundant turbulent mixture of absorbing liquid on pallet, and former flue gas is carried out first grade desulfurizing, and desulfuration efficiency is up to about 40%；Recycling atomizing sprayer, again carries out high-efficiency desulfurization by the flue gas after first grade desulfurizing, and final desulfuration efficiency is up to 99.5%；After desulfurization, former flue-gas temperature is reduced to about 50 DEG C by about the 140 of entrance DEG C；Utilize ridge type demister that droplet (outer water) content of wet flue gas is reduced to below 50mg/Nm3.
In dry and cold demister, under the effect of cooling water (the similar dry and cold device of gas), desulfurization saturated flue gas is cooled to 40 DEG C again, forces out the saturation water (interior water) in flue gas.Due to removing is the saturation water in flue gas, this equipment is more except water effect moisture of removing compared with ridge type demister, and (most of desulfurizing tower white hazes in winter are dense with the temperature difference of surrounding to reduce neat stress, it is because exiting flue gas big with the ambient air temperature difference, the white haze causing condensation is many), it is substantially reduced out tower flue gas in cold air, condenses the white haze of generation, particularly important to the neighbouring absorption tower having a residential block.
Wet cottrell utilizes high-pressure electrostatic stream, and the dust content in wet flue gas is reduced to below 5mg/Nm3；Free droplet concentration in wet flue gas is reduced to below 25mg/Nm3；Hg clearance >=90%；PM2.5 clearance >=85%.
Tower top chimney is for discharging last neat stress, and flue gas need not return original concrete chimney, saves the anticorrosion expense of original concrete chimney.
Further, described oxidation spray gun has 3-4, is relatively embedded the two side at tower body, and the arrival end of described oxidation spray gun is arranged on the outer end of tower body sidewall, in the port of export is arranged on tower body sidewall and port of export direction is parallel with tower body.
In the technical program, the purpose of oxidation spray gun is that the calcium sulfite oxidation in serosity becomes calcium sulphate dihydrate (Gypsum Fibrosum), improves desulfuration efficiency and facilitates dewatering slurries.
Further, described side agitator has 3-4, for side-feeding mixer, is relatively embedded the two side at tower body, and is positioned at below oxidation spray gun, and the motor of described side agitator is positioned at outside tower body sidewall, and the paddle of described side agitator is positioned at tower body sidewall.
The agitator of the technical program is side-feeding type, prevents the serosity of slurry pool from precipitating.
Further, described atomizing sprayer vertical runs has four layers, and described atomizing sprayer includes that nozzle and spraying layer, described nozzle are carborundum hollow cone, and described spraying layer is glass steel material.
The atomizing sprayer of the technical program, for by slurry spraying, improves serosity and smoke contacts area, improves desulfuration efficiency.
Further, described ridge type demister vertical runs has two-layer, described ridge type demister to be polypropylene material.
The demister of the technical program is for removing the free droplet of flue gas after desulfurization, and the wet cottrell for downstream eases off the pressure.
Further, described flue gas dry and cold demister cooling tube bundle is 2205 steel alloy materials, the crooked pipeline of described flue gas dry and cold demister cooling tube bundle is arranged in tower body, cooling water inlet end and the coolant outlet end of described flue gas dry and cold demister cooling tube bundle are arranged at outside tower body sidewall, and cooling water inlet end is positioned at the top of coolant outlet end；Described cooling water inlet end connects cooling water inlet header, and described coolant outlet end connects coolant outlet header.
In the technical program, under the effect of cooling water, desulfurization saturated flue gas is cooled to 40 DEG C, forces out the saturation water in flue gas, it is simple to follow-up dedusting.
Further, described anode honeycomb duct module is made up of some orthohexagonal ginseng carbonaceous conductive glass reinforced plastic pipes, and inscribed circle diameter is 300-360mm；Described cathode line is made up of carbon structural steels outsourcing fiberglass/lead-antimony alloy, and described cathode line quantity is equal with ginseng carbonaceous conductive glass reinforced plastic pipe, and every cathode line is arranged in the center of ginseng carbonaceous conductive glass reinforced plastic pipe.
The anode honeycomb duct module of the technical program is for through-flow flue gas and catches flue gas droplet, and cathode line and anode honeycomb duct module form multiple electric fields and be used for collecting Charged Droplet.
Further, wet electricity flue gas even distribution plate and wet electricity flue gas cool-down atomization system it is provided with below described anode honeycomb duct module, described anode honeycomb duct module is provided above wet electricity spray cleaning system, being provided with insulated case outside the tower body of the upper and lower end of described anode honeycomb duct module, described insulated case connects hot-air blowing system.
The wet electricity flue gas even distribution plate of the technical program and the purpose of wet electricity flue gas cool-down atomization system are to make flue gas cool-down and increase flue fog drip particle diameter, make the further coalescence of fine mist, and make wet cottrell be easier to catch, it is easy to improve demisting efficiency, owing to the water yield of spraying is the least, little on smoke moisture impact.Spray cleaning system is the dirt of accumulation in cleaning anode honeycomb duct module.Insulated case is for by high-tension system and the isolation of absorption tower body.Hot-air blowing system is used for being dried insulated case and inner insulator, prevents electric leakage.
Further, also including that constant-current source high voltage power supply, described constant-current source high voltage power supply are connected with anode honeycomb duct module, the voltage of described constant-current source high voltage power supply is 72KV-80KV, and electric current is 1000mA-1400mA.
The constant-current source high voltage power supply of the technical program regulates this electric current in running, and regulation is except mist.
Further, described tower top chimney includes wet electricity top conical cylinder section and top direct tube section, described tower top chimney is that carbon steel is coated with squama or glass steel material, the high temperature resistant degree of described tower top chimney is more than 80 DEG C, the exiting flue gas flow velocity of described tower top chimney is 10-20m/s, and the height of described tower top chimney is 75-90m.
The tower top chimney design of the technical program, lifting smoke height reaches more than 150 meters, saves the anticorrosive work of former concrete chimney, is greatly saved cost of investment and engineering construction time.
A kind of cold-dry type flue gas ground fog ultra-clean process integrated tower of the present utility model can high-efficiency desulfurization again can ultralow dedusting, remove flue gas white haze, can work as chimney use, characteristics of compact layout, save place, investment reduction cost and reduce the enforcement time, specious, can effectively remove the SO in flue gas2And droplet, the white haze that removes smoke phenomenon, the particularly white haze in winter, eliminate " gypsum rain " phenomenon, PM2.5 dust, SO can also be reduced simultaneously3With the pollutant such as hydrargyrum and oxide thereof, for smoke pollution discharge enterprise's offer flue gas and desulfurization discharge integral type service, response country high standard environmental requirement, it is adaptable to the boiler plant of exhaust gas volumn 20000Nm3/h-1500000Nm3/h, having a extensive future of coal-burning power plant of China.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
As shown in Figure 1, a kind of cold-dry type flue gas ground fog ultra-clean process integrated tower of the present embodiment, include wet desulphurization absorption tower 1, dry and cold demister 2, wet cottrell 3 and tower top chimney 4 the most successively,
Wet desulphurization absorption tower 1 includes slurry pool 5 from top to bottom, absorption tower 6 and desulfurization layer, slurry pool 5 is provided with 4 oxidation spray guns 7, oxidation spray gun 7 is embedded the two side at tower body relatively, the arrival end of oxidation spray gun 7 is arranged on the outer end of tower body sidewall, the port of export is arranged in tower body sidewall and port of export direction is parallel with tower body, 4 side-feeding mixers 8 it are additionally provided with on slurry pool 5, side-feeding mixer 8 is embedded the two side at tower body relatively, and it is positioned at below oxidation spray gun 7, the motor of side-feeding mixer 8 is positioned at outside tower body sidewall, the paddle of side-feeding mixer 8 is positioned at tower body sidewall；Absorption tower 6 side offers smoke inlet passage 9, porous turbulent flow pallet 10, atomizing sprayer 11 and ridge type demister 12 it is disposed with from bottom to up in desulfurization layer, atomizing sprayer 11 vertical runs has four layers, atomizing sprayer 11 includes the nozzle of carborundum hollow cone and the spraying layer of glass steel material, ridge type demister 12 vertical runs of polypropylene material has two-layer
The flue gas dry and cold demister cooling tube bundle 13 of 2205 steel alloy materials is installed in dry and cold demister 2, the crooked pipeline of flue gas dry and cold demister cooling tube bundle 13 is arranged in tower body, cooling water inlet end 14 and the coolant outlet end 15 of flue gas dry and cold demister cooling tube bundle 13 are arranged at outside tower body sidewall, and cooling water inlet end 14 is positioned at the top of coolant outlet end 15；Cooling water inlet end 14 connects cooling water inlet header, and coolant outlet end 15 connects coolant outlet header；
Anode honeycomb duct module 16 and the cathode line 17 being arranged in anode honeycomb duct module 16 are installed in wet cottrell 3, anode honeycomb duct module 16 is made up of some orthohexagonal ginseng carbonaceous conductive glass reinforced plastic pipes, inscribed circle diameter is 330mm, cathode line 17 is made up of carbon structural steels outsourcing fiberglass/lead-antimony alloy, cathode line 17 quantity is equal with ginseng carbonaceous conductive glass reinforced plastic pipe, and every cathode line 17 is arranged in the center of ginseng carbonaceous conductive glass reinforced plastic pipe；Wet electricity flue gas even distribution plate 18 and wet electricity flue gas cool-down atomization system 19 it is provided with below anode honeycomb duct module 16, anode honeycomb duct module 16 is provided above wet electricity spray cleaning system 20, being provided with insulated case 21 outside the tower body of the upper and lower end of anode honeycomb duct module 16, insulated case 21 connects hot-air blowing system；Anode honeycomb duct module 16 is also connected with constant-current source high voltage power supply 22, and the voltage of constant-current source high voltage power supply 22 is 75KV, and electric current is 1200mA.
Tower top chimney 4 includes wet electricity top conical cylinder section 23 and top direct tube section 24, and tower top chimney 4 is coated with squama or glass steel material for carbon steel, and the high temperature resistant degree of tower top chimney 4 is more than 80 DEG C, and the exiting flue gas flow velocity of tower top chimney 4 is 15m/s, and the height of tower top chimney 4 is 80m.
A kind of cold-dry type flue gas ground fog ultra-clean process integrated tower of the present embodiment can high-efficiency desulfurization again can ultralow dedusting, remove flue gas white haze, can work as chimney use, characteristics of compact layout, save place, investment reduction cost and reduce the enforcement time, specious, can effectively remove the SO in flue gas2And droplet, the white haze that removes smoke phenomenon, the particularly white haze in winter, eliminate " gypsum rain " phenomenon, PM2.5 dust, SO can also be reduced simultaneously3With the pollutant such as hydrargyrum and oxide thereof, for smoke pollution discharge enterprise's offer flue gas and desulfurization discharge integral type service, response country high standard environmental requirement, it is adaptable to the boiler plant of exhaust gas volumn 20000Nm3/h-1500000Nm3/h, having a extensive future of coal-burning power plant of China.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (10)
1. a cold-dry type flue gas ground fog ultra-clean process integrated tower, it is characterized in that: include wet desulphurization absorption tower, dry and cold demister, wet cottrell and tower top chimney the most successively, described wet desulphurization absorption tower includes slurry pool, absorption tower and desulfurization layer from top to bottom, described slurry pool is provided with oxidation spray gun and side agitator, described absorption tower side offers smoke inlet passage, is disposed with porous turbulent flow pallet, atomizing sprayer and ridge type demister in described desulfurization layer from bottom to up；Flue gas dry and cold demister cooling tube bundle is installed in described dry and cold demister；Anode honeycomb duct module and the cathode line being arranged in anode honeycomb duct module are installed in described wet cottrell.
A kind of cold-dry type flue gas ground fog ultra-clean process integrated tower the most according to claim 1, it is characterized in that: described oxidation spray gun has 3-4, relatively it is embedded the two side at tower body, the arrival end of described oxidation spray gun is arranged on the outer end of tower body sidewall, and the port of export is arranged in tower body sidewall and port of export direction is parallel with tower body.
A kind of cold-dry type flue gas ground fog ultra-clean process integrated tower the most according to claim 1, it is characterized in that: described side agitator has 3-4, for side-feeding mixer, relatively it is embedded the two side at tower body, and it is positioned at below oxidation spray gun, the motor of described side agitator is positioned at outside tower body sidewall, and the paddle of described side agitator is positioned at tower body sidewall.
A kind of cold-dry type flue gas ground fog ultra-clean process integrated tower the most according to claim 1, it is characterized in that: described atomizing sprayer vertical runs has four layers, described atomizing sprayer includes that nozzle and spraying layer, described nozzle are carborundum hollow cone, and described spraying layer is glass steel material.
A kind of cold-dry type flue gas ground fog ultra-clean process integrated tower the most according to claim 1, it is characterised in that: described ridge type demister vertical runs has two-layer, described ridge type demister to be polypropylene material.
A kind of cold-dry type flue gas ground fog ultra-clean process integrated tower the most according to claim 1, it is characterized in that: described flue gas dry and cold demister cooling tube bundle is 2205 steel alloy materials, the crooked pipeline of described flue gas dry and cold demister cooling tube bundle is arranged in tower body, cooling water inlet end and the coolant outlet end of described flue gas dry and cold demister cooling tube bundle are arranged at outside tower body sidewall, and cooling water inlet end is positioned at the top of coolant outlet end；Described cooling water inlet end connects cooling water inlet header, and described coolant outlet end connects coolant outlet header.
A kind of cold-dry type flue gas ground fog ultra-clean process integrated tower the most according to claim 1, it is characterised in that: described anode honeycomb duct module is made up of some orthohexagonal ginseng carbonaceous conductive glass reinforced plastic pipes, and inscribed circle diameter is 300-360mm；Described cathode line is made up of carbon structural steels outsourcing fiberglass/lead-antimony alloy, and described cathode line quantity is equal with ginseng carbonaceous conductive glass reinforced plastic pipe, and every cathode line is arranged in the center of ginseng carbonaceous conductive glass reinforced plastic pipe.
A kind of cold-dry type flue gas ground fog ultra-clean process integrated tower the most according to claim 1, it is characterized in that: below described anode honeycomb duct module, be provided with wet electricity flue gas even distribution plate and wet electricity flue gas cool-down atomization system, described anode honeycomb duct module is provided above wet electricity spray cleaning system, being provided with insulated case outside the tower body of the upper and lower end of described anode honeycomb duct module, described insulated case connects hot-air blowing system.
A kind of cold-dry type flue gas ground fog ultra-clean process integrated tower the most according to claim 1, it is characterized in that: also include constant-current source high voltage power supply, described constant-current source high voltage power supply is connected with anode honeycomb duct module, the voltage of described constant-current source high voltage power supply is 72KV-80KV, and electric current is 1000mA-1400mA.
A kind of cold-dry type flue gas ground fog ultra-clean process integrated tower the most according to claim 1, it is characterized in that: described tower top chimney includes wet electricity top conical cylinder section and top direct tube section, described tower top chimney is that carbon steel is coated with squama or glass steel material, the high temperature resistant degree of described tower top chimney is more than 80 DEG C, the exiting flue gas flow velocity of described tower top chimney is 10-20m/s, and the height of described tower top chimney is 75-90m.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620220886.5U CN205435460U (en) | 2016-03-22 | 2016-03-22 | Integrative tower is handled to dry and cold formula flue gas ground fog ultra -clean |
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| CN201620220886.5U CN205435460U (en) | 2016-03-22 | 2016-03-22 | Integrative tower is handled to dry and cold formula flue gas ground fog ultra -clean |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899264A (en) * | 2017-11-29 | 2018-04-13 | 安徽未名科键环境有限公司 | A kind of dedusting demisting white-smoke-removing integrated apparatus |
| CN107975817A (en) * | 2017-12-07 | 2018-05-01 | 天津华赛尔传热设备有限公司 | A kind of white absorption tower that disappears of flue gas heating |
| CN108970382A (en) * | 2018-08-31 | 2018-12-11 | 大唐环境产业集团股份有限公司 | A kind of disturbing flow device for flue gas condensing |
| CN109224825A (en) * | 2018-09-26 | 2019-01-18 | 北京清新环境技术股份有限公司 | A kind of boiler smoke condensable particulate matter removal collaboration heat recovery system |
-
2016
- 2016-03-22 CN CN201620220886.5U patent/CN205435460U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899264A (en) * | 2017-11-29 | 2018-04-13 | 安徽未名科键环境有限公司 | A kind of dedusting demisting white-smoke-removing integrated apparatus |
| CN107975817A (en) * | 2017-12-07 | 2018-05-01 | 天津华赛尔传热设备有限公司 | A kind of white absorption tower that disappears of flue gas heating |
| CN108970382A (en) * | 2018-08-31 | 2018-12-11 | 大唐环境产业集团股份有限公司 | A kind of disturbing flow device for flue gas condensing |
| CN109224825A (en) * | 2018-09-26 | 2019-01-18 | 北京清新环境技术股份有限公司 | A kind of boiler smoke condensable particulate matter removal collaboration heat recovery system |
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