CN204005957U - A kind of cooperation-removal system that realizes the minimum discharge of coal steam-electric plant smoke multi-pollutant - Google Patents

A kind of cooperation-removal system that realizes the minimum discharge of coal steam-electric plant smoke multi-pollutant Download PDF

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CN204005957U
CN204005957U CN201420393045.5U CN201420393045U CN204005957U CN 204005957 U CN204005957 U CN 204005957U CN 201420393045 U CN201420393045 U CN 201420393045U CN 204005957 U CN204005957 U CN 204005957U
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flue gas
wet
efficiency
pollutant
removal
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CN201420393045.5U
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Chinese (zh)
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王月明
牛国平
何育东
聂孝峰
张广才
董康田
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西安西热锅炉环保工程有限公司
西安热工研究院有限公司
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Abstract

Realize a cooperation-removal system for coal steam-electric plant smoke multi-pollutant minimum discharge, the collaborative dust pelletizing system of gas cooler, high-efficiency dust remover, high-efficiency wet-desulfurizing system, wet electrical dust precipitator composition can make total particulate emission control in chimney at 5mg/m 3in.The collaborative demercuration system that selective-catalytic-reduction denitrified system, high-efficiency dust remover, high-efficiency wet-desulfurizing system, wet electrical dust precipitator form can realize the concentration of emission of mercury in flue gas at chimney place lower than 6 μ g/m 3.NO_x Reduction by Effective system by low NO, SNCR denitrating system, selective-catalytic-reduction denitrified system composition can control to 50mg/m by NOx concentration 3in.Adopt twin-stage circulation double tower Limestone-gypsum Wet Flue Gas Desulfurization Process system, cancel swinging gas-gas heat exchanger, avoid the leakage of former flue gas to clean flue gas, can be by SO in flue gas 2concentration is controlled at 35mg/m 3in.In addition, the utility model entirety investment level is low, the waste heat in flue gas can be reclaimed and reduce energy consumption.

Description

A kind of cooperation-removal system that realizes the minimum discharge of coal steam-electric plant smoke multi-pollutant
Technical field
The utility model belongs to the field that removes of atmosphere pollution, is specifically related to a kind of cooperation-removal system that realizes the minimum discharge of coal steam-electric plant smoke multi-pollutant.
Background technology
Print and distribute continue State Council after the notice promulgated by the State Council (2013) No. 37 " prevention and control of air pollution action plan " of prevention and control of air pollution action plan, in the recent period country is intensive again put into effect a series of environmental protection policies: National Energy Board issued " strengthening energy industry prevention and control of air pollution programme of work " January 23, " coal fired power generation unit environmental protection electricity price and environmental protection facility operation supervisory method " enforcement in 1 day May in 2014, new edition " fossil-fuel power plant atmospheric pollutant emission standard " will be implemented July 1, Chinese Ministry of Environmental Protection's bulletin requires for 2013 No. 14 Thermal Power Generation Industry coal-fired unit in priority control district will carry out on July 1st, 2014 the special emission limit of flue dust, the Law on Environmental Protection of the People's Republic of China will implement on January 1st, 2015.
Some areas government also puts into effect severeer environmental requirement in succession: requirement region, the ground Internal-combustion engine using coal groups such as Guangzhou, Shandong (Zibo), Shaanxi (Central Shanxi Plain), Hebei (Handan), Xinjiang (Fukang) are carried out special emission limit; Zhejiang active service 600MW grade and above coal-fired unit need reach combustion machine discharge standard (sulfur dioxide 35mg/m before 2017 3, nitrogen oxide 50mg/m 3, flue dust 5mg/m 3).
Environmental Protection in China requires increasingly strict, and coal-fired units cleans production trend of the times, and special emission limit even fires machine standard likely becomes the emission request of coal-fired unit next stage, and the emission request that coal-burning power plant meets Natural Gas Power Plant is a development trend.
At present, denitration technology mainly comprises the methods such as low NO, SNCR denitration (SNCR) and selective-catalytic-reduction denitrified (SCR); Newly constructed boiler adopts low NO or active service boiler to carry out after low NO transformation, furnace outlet NO xdischarge has reduction in various degree.But, adopt low nitrogen burning technology to produce some impacts to boiler operation performance: boiler combustion efficiency may reduce, cause the problem such as slagging scorification and corrosion aggravation of burner region water wall surface.The subject matter that SNCR denitrating system exists is in actual applications denitration efficiency not high (being about 15%~50%), and boiler capacity is larger, and SNCR denitration efficiency is lower.In addition, urea utilization rate low (approximately 15%~30%), urea consumption causes more greatly the escaping of ammonia higher (approximately 5~10ppm).While adopting SNCR denitration separately, the SO in the escaping of ammonia and flue gas 3the ammonium hydrogen sulfate that reaction generates will cause contamination dust stratification and the blockage problem of air preheater heating surface.Dust arrester has all been installed by nearly all thermal power plant of China, and WFGD also becomes the heat-engine plant desulfurized major technique of China.Wet desulphurization also will consume a large amount of water resources, and the supply problem of necessary balance Desulphurization for Coal-fired Power Plant system and water resource and desulfurizing agent resource (as limestone resource) solves sulphur recycling and wet chimney problem simultaneously.Aspect dedusting, need the global optimization combination of balance deduster and desulfurization, with the dust removing effects of acquisition of technology economy, reduce investment outlay and operating cost.
Studying coal-fired flue gas multi-pollutant Collaborative Control is a kind of new technology trend in the world, and the integrated control of flue gas multiple pollutant governing system is main direction.For four major pollutants: NOx, flue dust, SO in national thermal power plant environmental emission standard 2and the hypertoxic pollutant mercury that will strictly control in the future, fired power generating unit need to take the environmental practice of a series of profound level to ensure the minimum discharge of each pollutant.
Utility model content
The purpose of this utility model is to provide a kind of cooperation-removal system that realizes the minimum discharge of coal steam-electric plant smoke multi-pollutant.
In order to achieve the above object, the technical solution adopted in the utility model is: the low NO, SNCR denitrating system, selective-catalytic-reduction denitrified system, high-efficiency dust remover, high-efficiency wet-desulfurizing system and the wet electrical dust precipitator that comprise series connection successively.
Between described high-efficiency dust remover and high-efficiency wet-desulfurizing system, be provided with air-introduced machine.
Described air-introduced machine is twin-stage axial flow fan with adjustable moving blades.
The outlet denitration flue of described SNCR denitrating system is provided with multiple characteristic nozzles.
The outlet of described selective-catalytic-reduction denitrified system is provided with air preheater, between air preheater and high-efficiency dust remover, be provided with gas cooler, the outlet of wet electrical dust precipitator is provided with smoke re-heater, and the heat absorbing end of gas cooler and the release end of heat of smoke re-heater formation loop.
The outlet of described smoke re-heater is connected with chimney.
Described high-efficiency wet-desulfurizing system is made up of the one-level Limestone-gypsum Wet Flue Gas Desulfurization Process system being cascaded and secondary Limestone-gypsum Wet Flue Gas Desulfurization Process system, and hydrops plate and tubular demister in tower are all installed in the absorption tower of one-level Limestone-gypsum Wet Flue Gas Desulfurization Process system and secondary Limestone-gypsum Wet Flue Gas Desulfurization Process system, the porch on the absorption tower of one-level Limestone-gypsum Wet Flue Gas Desulfurization Process system is provided with gas cooler, the outlet of electric cleaner is connected with the entrance on the absorption tower of one-level Limestone-gypsum Wet Flue Gas Desulfurization Process system, the absorption tower outlet of secondary Limestone-gypsum Wet Flue Gas Desulfurization Process system is connected with wet electrical dust precipitator.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model is by the SCR denitration technology of the SNCR denitration technology of SNCR denitrating system and selective-catalytic-reduction denitrified system, and in conjunction with the low nitrogen burning technology of low NO, to realize the degree of depth denitration of flue gas in power plant, simultaneously, high-efficiency dust remover, high-efficiency wet-desulfurizing system, the collaborative dust pelletizing system of wet electrical dust precipitator composition, wherein, high-efficiency dust remover can effectively reduce dust specific resistance, improve efficiency of dust collection, high-efficiency dust remover is exported to dust concentration and be controlled at 30mg/m 3in.Wet electrical dust precipitator is arranged in after wet desulphurization device, and as afterbody cleaner, in wet electrical dust precipitator, liquid flows through collecting plate and removes adsorbed material from its surface, can effectively remove the SO in flue gas 3fine particulates and the PM such as the gypsum rain that acid mist, flue gas carry 2.5with the pollutant such as mercury oxide, in chimney, discharge total particulate discharge in flue gas and can be controlled in 5mg/m 3in.In addition, selective-catalytic-reduction denitrified system, high-efficiency dust remover, high-efficiency wet-desulfurizing system, wet electrical dust precipitator form collaborative demercuration system, this collaborative demercuration system can stably be oxidized to divalence mercury by more than 90% Elemental Mercury, this part divalence mercury can be removed by high-efficiency dust remover, high-efficiency wet-desulfurizing system, wet electrical dust precipitator, and removal efficiency is more than 90%.The collaborative demercuration system the utility model proposes more than 80%, realizes the concentration of emission of mercury in flue gas at chimney place lower than 6 μ g/m to the removal efficiency of total mercury 3target.Therefore, the utility model can be realized the minimum discharge of multi-pollutant in flue gas.
2, the utility model is that existing system is organically together in series, and makes the environmental protection facility of power plant assemble one, is conducive to realize overall control optimization.
3, the MGGH system that the utility model adopts air preheater and is made up of gas cooler and smoke re-heater, so just can reclaim the waste heat in flue gas, has reduced energy consumption, mitigate corrosion.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model system;
1, low NO, 2, SNCR denitrating system, 3, selective-catalytic-reduction denitrified system, 4, air preheater, 5, low low temp. electric deduster, 6, air-introduced machine, 7, high-efficiency wet-desulfurizing system, 8, wet electrical dust precipitator, 9, chimney, 10, gas cooler, 11, smoke re-heater.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further details.
The utility model is reaching under the prerequisite of minimum discharge requirement, moves the impact on boiler thermal output, station service power consumption rate and unit efficiency for reducing to greatest extent environmental protection facility, need to carry out global optimization to various environmental protection facilities.Meanwhile, the utility model is applicable to newly-built coal-fired unit and old coal-fired unit, the environmental protection facility of power plant can be considered as to an organic whole, and the route that possesses skills is reliable, environmental protection index is advanced, overall investment level is low, the energy-saving and cost-reducing advantage such as remarkable.Need to, based on existing environmental protection facility, it be transformed for old coal-fired unit, with cost-saving.For newly-built coal-fired unit, can, in conjunction with coal-burning power plant's feature, build up once the system of coal steam-electric plant smoke multi-pollutant minimum discharge.
Referring to Fig. 1, the utility model comprises low NO 1, SNCR denitrating system 2, selective-catalytic-reduction denitrified system 3, air preheater 4, gas cooler 10, high-efficiency dust remover 5, high-efficiency wet-desulfurizing system 7, wet electrical dust precipitator 8, smoke re-heater 11 and the chimney 9 of series connection successively; Wherein, electric cleaner is connected with high-efficiency wet-desulfurizing system 7, and air-introduced machine 6 is twin-stage axial flow fan with adjustable moving blades, and the release end of heat of the heat absorbing end of gas cooler 10 and smoke re-heater 11 forms loop.
Low NO 1 in the utility model, SNCR denitrating system 2, selective-catalytic-reduction denitrified system 3, air preheater 4, high-efficiency dust remover 5, high-efficiency wet-desulfurizing system 7, wet electrical dust precipitator 8, chimney 9, gas cooler 10, smoke re-heater 11 coordinated can form following system:
(1) NO_x Reduction by Effective system
NO_x Reduction by Effective system of the present utility model is made up of low NO 1, SNCR denitrating system 2 and selective-catalytic-reduction denitrified system 3, NO_x Reduction by Effective system is by the global optimization assembled scheme of these three kinds of denitration technologies of low nitrogen burning technology, SNCR and SCR, to realize degree of depth denitration.And the outlet denitration flue of SNCR denitrating system 2 is provided with multiple nozzles, make selective-catalytic-reduction denitrified system 3 reach better denitration effect; And in the time of operation, by optimizing the low NO method of operation (as OFA wind rate), strictly monitor unburned combustible in fly ash and CO content in boiler exhaust gas, guarantee security and the economy of boiler operatiopn.
(2) high-efficiency wet-desulfurizing system
High-efficiency wet-desulfurizing system of the present utility model adopts twin-stage circulation double tower Limestone-gypsum Wet Flue Gas Desulfurization Process system, cancels swinging gas-gas heat exchanger, avoids the leakage of former flue gas to clean flue gas.For effectively alleviating " chimney rain " problem, the utility model high-efficiency wet-desulfurizing system 7 is made up of the one-level Limestone-gypsum Wet Flue Gas Desulfurization Process system being cascaded and secondary Limestone-gypsum Wet Flue Gas Desulfurization Process system, and hydrops plate and tubular demister in tower are all installed in the absorption tower of one-level Limestone-gypsum Wet Flue Gas Desulfurization Process system and secondary Limestone-gypsum Wet Flue Gas Desulfurization Process system, the porch on the absorption tower of one-level Limestone-gypsum Wet Flue Gas Desulfurization Process system is provided with gas cooler, the outlet of electric cleaner is connected with the entrance on the absorption tower of one-level Limestone-gypsum Wet Flue Gas Desulfurization Process system, the absorption tower outlet of secondary Limestone-gypsum Wet Flue Gas Desulfurization Process system is connected with wet electrical dust precipitator 8.In addition, in order further to reduce the SO of high-efficiency wet-desulfurizing system outlet 2concentration, the utility model takes desulphurization system to carry out capacity-increasing transformation to the fired power generating unit of desulfurizer is housed, expands one-level Limestone-gypsum Wet Flue Gas Desulfurization Process system and the secondary Limestone-gypsum Wet Flue Gas Desulfurization Process system for being cascaded by original Limestone-gypsum Wet Flue Gas Desulfurization Process system.
(3) collaborative dust pelletizing system
The utility model adopts high-efficiency dust remover 5, high-efficiency wet-desulfurizing system 7, the collaborative dust pelletizing system of wet electrical dust precipitator 8 composition.
Front layout gas cooler 10 gas coolers 10 of high-efficiency dust remover 5 of the present utility model can be down to flue-gas temperature below acid dew-point temperature, and exhaust gas volumn is with the low corresponding decline of cigarette temperature drop, and electric field velocity of flue gas reduces the trapping that is conducive to fine solid particle; Can realize the recycling of fume afterheat simultaneously; Have high-effective dust-removing, energy-conservation, water saving advantage.Adopt high-efficiency dust remover of the present utility model can effectively reduce dust specific resistance, improve efficiency of dust collection, high-efficiency dust remover is exported to dust concentration and be controlled at 30mg/m 3in.
Wet electrical dust precipitator 8 is arranged in after high-efficiency wet-desulfurizing system 7, and as afterbody cleaner, in wet electrical dust precipitator 8, liquid flows through collecting plate and removes adsorbed material from its surface, can effectively remove the SO in flue gas 3fine particulates and the PM such as the gypsum rain that acid mist, flue gas carry 2.5with the pollutant such as mercury oxide, the total particulate discharge of chimney can be controlled in 5mg/m 3in.
(4) collaborative demercuration system
Collaborative demercuration system in the utility model is made up of selective-catalytic-reduction denitrified system 3, high-efficiency dust remover 5, high-efficiency wet-desulfurizing system 7, wet electrical dust precipitator 8, and it can effectively control the concentration of emission of mercury.
First, by the SCR vanadium series catalyst in selective-catalytic-reduction denitrified system 3, a part of gaseous elemental mercury is oxidized to divalence mercury, due to the difference of coal and other condition, oxygenation efficiency is not from 40%~60% etc.For further improving the oxygenation efficiency of SCR vanadium series catalyst to mercury, in the SCR vanadium series catalyst that the utility model is arranged in selective-catalytic-reduction denitrified system 3, add MnOx-CeO 2, and MnOx-CeO 2account for 1%~3% of SCR vanadium series catalyst quality; Thereby ensureing that the oxygenation efficiency of Elemental Mercury can be stablized reaches more than 90%.
Can be by the particle mercury existing with particle form in flue gas, divalence mercury removal soluble in water by high-efficiency dust remover 5, high-efficiency wet-desulfurizing device 7 and wet electrical dust precipitator 8, particle mercury and mercuric removal efficiency are more than 90%.Meanwhile, for suppressing mercuric reduction in slurries, improve the demercuration efficiency of WFGD system, the utility model adopts and solidifies mercuric NaHS additive.Finally, the utility model more than 80%, is realized the concentration of emission of total mercury in the flue gas at chimney place lower than 6 μ g/m to the removal efficiency of total mercury 3target.
(5) MGGH
Gas cooler 10 of the present utility model and smoke re-heater 11 form MGGH system, flue gas after denitration enters in gas cooler 10 after air preheater 4 heat exchange, cycle fluid in gas cooler 10 (water) absorbs the heat in flue gas, flue-gas temperature is down to 90 DEG C of left and right, and this heat is delivered to the release end of heat of smoke re-heater 11, SO 3be combined with steam, generate sulfuric acid mist, and adsorbed by fly ash granule, can effectively reduce dust specific resistance, improve efficiency of dust collection and then carry out dedusting by high-efficiency dust remover.Sealing and circulating by heat medium water flows, and the heat obtaining from cooling heat exchanger is removed to add clean flue gas thermally desulfurizing, and its temperature is elevated to more than 80 DEG C from 50 DEG C of left and right.
In order to realize NOx emission control to 50mg/m 3(standard state, butt, 6%O 2) following minimum discharge target, first,, then enter SNCR denitrating system 2 NOx concentration is once reduced the preliminary control of NOx concentration by low NO 1, finally by selective-catalytic-reduction denitrified system 3, NOx concentration is controlled to 50mg/m 3in, obtain the flue gas after denitration;
Secondly, flue gas after denitration enters gas cooler 10 after air preheater 4 heat exchange, gas cooler 10 is down to flue-gas temperature below acid dew-point temperature, then by high-efficiency dust remover 5, effectively reduce dust specific resistance recovery waste heat at high-efficiency dust remover 5, dust concentration in the flue gas after the exit dedusting of high-efficiency dust remover 5 is controlled to 30mg/m 3in; Flue gas after dedusting enters 7 desulfurization of high-efficiency wet-desulfurizing system, SO in the flue gas after desulfurization 2concentration is lower than 35mg/m 3;
Wet electrical dust precipitator 8 is arranged in after high-efficiency wet-desulfurizing system, as afterbody cleaner, last, the flue gas after desulfurization enters in wet electrical dust precipitator 8, liquid flows through the collecting plate of wet electrical dust precipitator and removes adsorbed material from its surface, can effectively remove the SO in flue gas 3fine particulates and the PM such as the gypsum rain that acid mist, flue gas carry 2.5with the pollutant such as mercury oxide, in flue gas total particulate discharge can be controlled in 5mg/m 3in, flue gas enters in smoke re-heater 11 and absorbs the heat from gas cooler 10 colling end cycle fluids under the graviational interaction of air-introduced machine 6, finally enters atmosphere by chimney 9.The concentration of mentioning in the utility model is standard state, butt, 6%O 2time measured.
Effect of the present utility model is: this patent combines denitration, desulfurization, dedusting, UTILIZATION OF VESIDUAL HEAT IN, blower fan, chimney etc., and blower fan system and pollutant removing system are combined; Relatively independent become to an organic whole along flue gas flow.The heat medium water heat recovery system (MGGH) adopting combines dedusting technology and UTILIZATION OF VESIDUAL HEAT IN technology with high-efficiency dust remover, has realized energy-conservation and unification environmental protection.The utility model, by low NO 1, SNCR denitrating system 2, selective-catalytic-reduction denitrified system 3, air preheater 4, high-efficiency dust remover 5, high-efficiency wet-desulfurizing system 7, wet electrical dust precipitator 8 and chimney 9 are reasonably gathered together, is finally realized NOx and is discharged lower than 50mg/m 3, dust concentration is lower than 5mg/m 3, SO 2discharge is lower than 35mg/m 3minimum discharge requirement, can ensure that the concentration of emission of mercury in flue gas at chimney place is lower than 6 μ g/m simultaneously 3.

Claims (7)

1. a cooperation-removal system that realizes the minimum discharge of coal steam-electric plant smoke multi-pollutant, is characterized in that: the low NO (1), SNCR denitrating system (2), selective-catalytic-reduction denitrified system (3), high-efficiency dust remover (5), high-efficiency wet-desulfurizing system (7) and the wet electrical dust precipitator (8) that comprise series connection successively.
2. the cooperation-removal system that realizes the minimum discharge of coal steam-electric plant smoke multi-pollutant according to claim 1, is characterized in that: between described high-efficiency dust remover (5) and high-efficiency wet-desulfurizing system (7), be provided with air-introduced machine (6).
3. the cooperation-removal system that realizes the minimum discharge of coal steam-electric plant smoke multi-pollutant according to claim 2, is characterized in that: described air-introduced machine (6) is twin-stage axial flow fan with adjustable moving blades.
4. the cooperation-removal system that realizes the minimum discharge of coal steam-electric plant smoke multi-pollutant according to claim 1, is characterized in that: the outlet denitration flue of described SNCR denitrating system (2) is provided with multiple characteristic nozzles.
5. the cooperation-removal system that realizes the minimum discharge of coal steam-electric plant smoke multi-pollutant according to claim 1, it is characterized in that: the outlet of described selective-catalytic-reduction denitrified system (3) is provided with air preheater (4), between air preheater (4) and high-efficiency dust remover (5), be provided with gas cooler (10), the outlet of wet electrical dust precipitator (8) is provided with smoke re-heater (11), and the release end of heat of the heat absorbing end of gas cooler (10) and smoke re-heater (11) forms loop.
6. the cooperation-removal system that realizes the minimum discharge of coal steam-electric plant smoke multi-pollutant according to claim 5, is characterized in that: the outlet of described smoke re-heater (11) is connected with chimney (9).
7. the cooperation-removal system that realizes the minimum discharge of coal steam-electric plant smoke multi-pollutant according to claim 1, it is characterized in that: described high-efficiency wet-desulfurizing system (7) is made up of the one-level Limestone-gypsum Wet Flue Gas Desulfurization Process system being cascaded and secondary Limestone-gypsum Wet Flue Gas Desulfurization Process system, and hydrops plate and tubular demister in tower are all installed in the absorption tower of one-level Limestone-gypsum Wet Flue Gas Desulfurization Process system and secondary Limestone-gypsum Wet Flue Gas Desulfurization Process system, the porch on the absorption tower of one-level Limestone-gypsum Wet Flue Gas Desulfurization Process system is provided with gas cooler, the outlet of electric cleaner is connected with the entrance on the absorption tower of one-level Limestone-gypsum Wet Flue Gas Desulfurization Process system, the absorption tower outlet of secondary Limestone-gypsum Wet Flue Gas Desulfurization Process system is connected with wet electrical dust precipitator (8).
CN201420393045.5U 2014-07-16 2014-07-16 A kind of cooperation-removal system that realizes the minimum discharge of coal steam-electric plant smoke multi-pollutant CN204005957U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104100964A (en) * 2014-07-16 2014-10-15 西安西热锅炉环保工程有限公司 Synergistic removal system and method for realizing ultra-low emission of multiple pollutants of smoke of thermal power plant
CN104474878A (en) * 2014-12-21 2015-04-01 赵民 Double-tower double-medium energy-saving high-efficiency flue gas desulfurization dust-removal combined device
CN105170331A (en) * 2015-08-31 2015-12-23 浙江菲达环保科技股份有限公司 Method for determining inlet flue gas temperature of low-low temperature electrostatic precipitator
CN105498473A (en) * 2015-11-25 2016-04-20 广东电网有限责任公司电力科学研究院 Wet method flue gas desulfurizing system and circulating fluidized bed boiler system
CN106215563A (en) * 2016-09-21 2016-12-14 光大环保技术研究院(深圳)有限公司 Garbage-incineration smoke purifying processing system
CN106322415A (en) * 2016-09-29 2017-01-11 杭州创屹机电科技有限公司 Cooperative deep purification system for flue gas pollutants

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104100964A (en) * 2014-07-16 2014-10-15 西安西热锅炉环保工程有限公司 Synergistic removal system and method for realizing ultra-low emission of multiple pollutants of smoke of thermal power plant
CN104474878A (en) * 2014-12-21 2015-04-01 赵民 Double-tower double-medium energy-saving high-efficiency flue gas desulfurization dust-removal combined device
CN105170331A (en) * 2015-08-31 2015-12-23 浙江菲达环保科技股份有限公司 Method for determining inlet flue gas temperature of low-low temperature electrostatic precipitator
CN105498473A (en) * 2015-11-25 2016-04-20 广东电网有限责任公司电力科学研究院 Wet method flue gas desulfurizing system and circulating fluidized bed boiler system
CN106215563A (en) * 2016-09-21 2016-12-14 光大环保技术研究院(深圳)有限公司 Garbage-incineration smoke purifying processing system
CN106322415A (en) * 2016-09-29 2017-01-11 杭州创屹机电科技有限公司 Cooperative deep purification system for flue gas pollutants

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