CN104801161A - Glass melting furnace flue gas desulfurization and denitrification process taking petroleum coke as main fuel and equipment of glass melting furnace flue gas desulfurization and denitrification process - Google Patents

Glass melting furnace flue gas desulfurization and denitrification process taking petroleum coke as main fuel and equipment of glass melting furnace flue gas desulfurization and denitrification process Download PDF

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CN104801161A
CN104801161A CN201510157838.6A CN201510157838A CN104801161A CN 104801161 A CN104801161 A CN 104801161A CN 201510157838 A CN201510157838 A CN 201510157838A CN 104801161 A CN104801161 A CN 104801161A
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flue gas
melting furnace
glass melting
petroleum coke
main fuel
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翟晨迪
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Hubei Fei Youdi Energy Environment Protection Co Ltd
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Hubei Fei Youdi Energy Environment Protection Co Ltd
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Abstract

The invention discloses a glass melting furnace flue gas desulfurization and denitrification process taking petroleum coke as the main fuel and equipment of the glass melting furnace flue gas desulfurization and denitrification process. The glass melting furnace flue gas desulfurization and denitrification process comprises the following steps: 1), performing high-temperature desulfurization: performing wet-type desulfurization treatment on high-temperature flue gas with alkaline liquor, and removing sulfur oxide from the flue gas; 2), conditioning flue gas: performing conditioning treatment on desulfurated flue gas with alkaline powder, so as to enable viscous substances in the flue gas to lose viscidity; 3), removing dust from flue gas: removing dust from flue gas subjected to conditioning treatment; 4), performing denitrification, performing SCR denitrification treatment on flue gas with dust removed, the SCR denitrification treatment temperature is 300-350 DEG C, the flue gas subjected to SCR denitrification treatment can reach the discharge standard. The equipment comprises a glass melting furnace, a desulfurizing tower, a conditioning bin, an electric dust remover, an SCR denitrification device and a chimney. The glass melting furnace flue gas desulfurization and denitrification process taking petroleum coke as main fuel and the equipment of glass melting furnace flue gas desulfurization and denitrification process can avoid blockage of denitrification catalyst, improve the desulfurization and denitrification effects and reduce the energy consumption.

Description

Take petroleum coke as flue gas of glass melting furnace desulfurizing and denitrifying process and the equipment thereof of main fuel
Technical field
The present invention relates to flue gases purification, refer to that a kind of take petroleum coke as flue gas of glass melting furnace desulfurizing and denitrifying process and the equipment thereof of main fuel particularly.
Background technology
Glass industry, as the basic industry of national economy, is big power consumer, is again one of with serious pollution industry.Major pollutants in the flue gas of glass furnace discharge have oxysulfide, dust and nitrogen oxide.China's glass production line quantity is large, most of glass furnace fume is not just directly discharged in air through process, glass furnace fume causes the attention of country and environmental administration of local government day by day to the pollution that air causes, carrying out the desulfurization and dedusting denitration comprehensive regulation to glass furnace fume very urgent, is that China's glass industry performs environmental protection standard, implements the most important thing of cleaner production.
Particularly in recent years, glass industry is energy-saving and cost-reducing, major part adopts petroleum coke to substitute natural gas and heavy oil as main fuel, the dust content produced after petroleum coke powder combustion is high, dust is viscosity, sulfur and nitrogen oxides in flue gas far above traditional fuels such as heavy oil and gases, the oxysulfide in this flue gas also making glass furnace discharge, the discharge capacity of dust and amount of nitrogen oxides superstate standard permission all far away.
According to production scale and the fuel service condition of current glass industry, the exhaust gas temperature of glass furnace is generally at 450 ~ 500 DEG C, and in flue gas, major pollutants are oxysulfide, dust and nitrogen oxide, wherein, and the mainly SO of the oxysulfide in glass furnace fume 2, general concentration is at 2500 ~ 3000mg/Nm 3, the exhaust gas volumn generated when its concentration depends on use amount and the fuel combustion of saltcake in petroleum coke powder sulfur content, feed proportioning; Dust size in glass furnace fume is little, and petroleum coke dust cohesiveness is stronger; In glass furnace fume, the concentration of nitrogen oxide is generally at 1200 ~ 3000mg/Nm 3.
In recent years, glass industry is studying the purification treatment technology being suitable for the flue gas of glass melting furnace taking petroleum coke as main fuel always, wherein, Chinese patent CN201310458310.3 discloses a kind of glass furnace fume dedusting denitration sulfur removal technology and device, this device comprises pipeline, hot electrostatic precipitator, warm air oil furnace, SCR reactor, ammonia discharging and storage device, ammonia conveying device, metering device, ammonia water spray device, waste heat boiler, air-introduced machine, desulfuration absorbing tower, sodium hydroxide slurry prepares storage system and supporting auxiliary device thereof, intrasystem case, tank, pump, pipeline, valve and all annexes thereof, in this process for purifying, kiln generation temperature is 220 ~ 350 DEG C and selects hot electrostatic precipitator, subsequent selective catalytic reduction method denitrating flue gas, when kiln generation temperature is below 220 DEG C, high-temperature flue gas is filled into through warm air oil furnace, reach the optimal reaction temperature of SCR, be about 350 DEG C of flue-gas temperatures, enter waste heat boiler, after waste heat boiler, flue-gas temperature is about 140 DEG C, by after booster fan supercharging to wet type sodium-method desulfurizing tower, flue gas washs in desulfurizing tower, the flue gas qualified discharge after washing.The subject matter that this process for purifying exists is: adopting warm air oil furnace to add heat smoke increases energy consumption; Produce a large amount of sticky dust after petroleum coke powder combustion and be not suitable for wet desulphurization, lump after sticky dust chance water in actual production blocking pipe and equipment, and this process for purifying does not have case study on implementation at glass industry.
At present, the desulfurizing and denitrifying process method generally adopted at glass industry is: the high-temperature flue gas that glass melter produces is cooled to after below 350 DEG C by one-level heat recovery boiler and enters electric cleaner, SCR denitration system is entered after dedusting, lowered the temperature less than 200 DEG C by secondary heat recovery boiler after denitration and enter desulphurization system through waste heat fan, after desulfurization, enter chimney through booster fan again.Mainly there is following problem in this desulfurizing and denitrifying process: 1) because this technique is first denitration desulfurization again, need to spray into a large amount of ammoniacal liquor or ammonia in SCR denitration process, Sox a large amount of in high-temperature flue gas and ammoniacal liquor or ammonia gas react generate sulfate of ammoniac and sulfuric acid imines, sulfate of ammoniac and sulfuric acid imines are a kind of stickum at high operating temperatures, cause denitrating catalyst often block and lost efficacy; 2) due to this technique flue gas before entering electric cleaner and SCR denitration system not through modified, in flue gas, stickum is bonded in after entering electric cleaner on electric cleaner pole plate and causes electric cleaner lost efficacy and cannot work, a large amount of dust enters SCR denitration system, causes denitrating catalyst often block and lost efficacy; 3) denitration temperature is unstable, uncontrollable in OK range, affects denitration effect; 4) whole system establishes two high-power blowers, is unfavorable for energy-conservation.
Summary of the invention
Object of the present invention is exactly that will to provide a kind of take petroleum coke as flue gas of glass melting furnace desulfurizing and denitrifying process and the equipment thereof of main fuel, and this technique not easily causes equipment to block, and desulfurization off sulfide effect is good and energy consumption is low.
For achieving the above object, the technical solution used in the present invention is: a kind of take petroleum coke as the flue gas of glass melting furnace desulfurizing and denitrifying process of main fuel, comprises the following steps:
1) high temperature desulfurizing: high-temperature flue gas alkali lye is carried out wet type desulfurizing process, sloughs oxysulfide wherein;
2) flue gas conditioning: carry out modifier treatment to the alkaline powder of the flue gas after desulfurization, makes the stickum in flue gas lose viscosity;
3) flue gas ash removal: the flue gas after modifier treatment is carried out dust removal process;
4) denitration: the flue gas after dust removal process is carried out SCR denitration process, SCR denitration treatment temperature is 300 ~ 350 DEG C, the flue gas qualified discharge after SCR denitration process.
Further, described step 1) in, first high-temperature flue-gas is down to 350 ~ 400 DEG C, and then carries out described wet type desulfurizing process.
Further, described step 4) in, discharge again after the flue gas after SCR denitration process is carried out waste heat recovery.
Further, described high-temperature flue gas discharge capacity is 60000 ~ 250000Nm 3/ h, and the sulfoxide concentration in described high-temperature flue gas is 2500 ~ 3000mg/Nm 3time, described alkaline powder consumption is 0.1 ~ 1t/h.
Further, described high-temperature flue gas discharge capacity is 60000 ~ 250000Nm 3/ h, and the sulfoxide concentration in described high-temperature flue gas is 2500 ~ 3000mg/Nm 3time, add described alkali lye 2 ~ 5t/h that mass concentration is 23 ~ 26%.
Further, described alkaline powder is made a living lime, sulfide lime, or one or more in Calcium Carbide Ash.
Further, described alkali lye is NaOH solution or KOH solution.
A kind of for adopt above-mentioned technique and custom-designed take petroleum coke as the flue gas of glass melting furnace desulphurization denitration equipment of main fuel, comprise glass melter, desulfurizing tower, electric cleaner, SCR denitration device, and chimney, the exhanst gas outlet of described glass melter is connected with the gas approach of described desulfurizing tower, the first flue is connected with between the exhanst gas outlet of described desulfurizing tower and the gas approach of described electric cleaner, described first flue is connected with modified ash silo, the exhanst gas outlet of described electric cleaner is connected with the gas approach of described SCR denitration device, the exhanst gas outlet of described SCR denitration device is connected with described chimney, the second flue is connected with between described SCR denitration device and described chimney, described second flue is provided with booster fan.
Further, one-level heat recovery boiler is provided with between described glass melter and described desulfurizing tower, the exhanst gas outlet of described glass melter is connected with the thermal medium inlet of described one-level heat recovery boiler, and the thermal medium outlet of described one-level heat recovery boiler is connected with the gas approach of described desulfurizing tower.
Further, secondary heat recovery boiler is provided with between described SCR denitration device and described chimney, the exhanst gas outlet of described SCR denitration device is connected with the thermal medium inlet of described secondary heat recovery boiler, and the thermal medium outlet of described secondary heat recovery boiler is connected with described chimney; Described booster fan is located on the thermal medium outlet pipeline of described secondary heat recovery boiler.
The present invention compared with prior art, has the following advantages:
One, the thinking of desulfurization after first denitration in abandoning tradition technique, in the present invention, from glass melter produce high-temperature flue gas first through high temperature desulfurizing, after sulfureous in flue gas content is up to standard, then carry out SCR denitration process, significantly reduce the content of stickum in flue gas after SCR denitration process, thus solve the denitrating catalyst problem that frequent jams even lost efficacy because of the stickum in flue gas, improve denitration efficiency.
They are two years old, flue gas first carries out modifier treatment before carrying out electric precipitation process and SCR denitration process, in flue gas, stickum loses viscosity after modified, not only improve dust removing effects, after also prevent electric cleaner inefficacy, a large amount of dust enters SCR denitration device and causes blocking and the inefficacy of denitrating catalyst, improves denitration efficiency further.
They are three years old, SCR denitration technique requires all very high to flue-gas temperature and temperature stability, and temperature presents cyclically-varying during glass furnace production, existing cleaning system cannot ensure denitration reaction temperature stabilization substantially, thus constrain SCR denitration treatment effect, and the flue-gas temperature after desulfurization can be stablized within the specific limits by the water content of adjustment alkaline solution by the present invention in high temperature desulfurizing process, thus improve SCR denitration treatment effect, reduce the discharge capacity of atmosphere pollution significantly, guarantee flue gas qualified discharge, produce considerable social benefit.
Its four, present invention process desulfuration efficiency reaches more than 66%, and denitration efficiency reaches more than 88.5%, smoke dust discharge concentration≤50mg/Nm 3.
They are five years old, present device resistance is little, desulfurization and dedusting denitrification integral, only needs a booster fan, eliminate traditional waste heat fan, thus significantly reduce energy consumption, calculate by the float glass smelting kiln production lines of 600 tons/day, a waste heat fan is pressed 500KWh and is calculated, every day can save electric energy 12000KWh, every day can power cost saving 0.72 ten thousand yuan, saves 2,520,000 yuan every year, creates considerable economic benefit.
Accompanying drawing explanation
The flue gas of glass melting furnace desulphurization denitration device structure schematic diagram of Fig. 1 to be a kind of with petroleum coke be main fuel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, is convenient to more clearly understand the present invention, but they do not form restriction to the present invention.
As shown in Figure 1 take petroleum coke as the flue gas of glass melting furnace desulphurization denitration equipment of main fuel, comprise glass melter 1, one-level heat recovery boiler 8, desulfurizing tower 2, electric cleaner 3, SCR denitration device 4, secondary heat recovery boiler 9 and chimney 5, wherein, glass melter 1 comprises plate glass, ware glass, the melting furnaces used in each glass types manufacturer such as glass fibre, glass melter 1 scale is 30 ~ 1000t/d, the exhanst gas outlet 1-1 of glass melter 1 is connected with the thermal medium inlet 8-1 of one-level heat recovery boiler 8, the thermal medium outlet 8-2 of one-level heat recovery boiler 8 is connected with the gas approach 2-1 of desulfurizing tower 2, desulfurizing tower 2 cleaning solution entrance 2-3 is connected with alkaline solution storage tank 2-4, the first flue 4 is connected with between the exhanst gas outlet 2-2 of desulfurizing tower 2 and the gas approach 3-1 of electric cleaner 3, first flue 4 is connected with modified ash silo 5, the exhanst gas outlet 3-2 of electric cleaner 3 is connected with the gas approach 4-1 of SCR denitration device 4, the exhanst gas outlet 4-2 of SCR denitration device 4 is connected with the thermal medium inlet 9-1 of secondary heat recovery boiler 9, the thermal medium outlet 9-2 of secondary heat recovery boiler 9 is connected with chimney 5, the thermal medium outlet of secondary heat recovery boiler 9 is connected with the second flue 6, second flue 6 is provided with booster fan 7, wherein, this desulphurization denitration equipment also can save one-level heat recovery boiler 8 and secondary heat recovery boiler 9.
Of the present invention is that the flue gas of glass melting furnace desulfurizing and denitrifying process process of main fuel is as follows with petroleum coke: the high-temperature flue gas produced from glass melter 1, flue-gas temperature is 450 ~ 500 DEG C, and sulfoxide concentration is 2500 ~ 3000mg/Nm 3, nitrous oxides concentration is 1200 ~ 3000mg/Nm 3, smoke discharge amount is 60000 ~ 250000Nm 3/ h, this high-temperature flue gas enters one-level heat recovery boiler 8 through flue, and one-level heat recovery boiler 8 recovery waste heat is lowered the temperature to high-temperature flue gas, first high-temperature flue-gas is down to 350 ~ 400 DEG C; Flue gas after cooling enters desulfurizing tower 2, it is that the strong alkali solution 2 ~ 5t/h such as 25%NaOH or KOH carry out wet type desulfurizing process that alkaline solution storage tank 2-4 sprays into mass concentration by pipeline in desulfurizing tower 2, remove the oxysulfide in flue gas, wherein, the content regulating alkali and water in desulfurization alkali lye according to the content of sulfureous in flue gas oxide and nitrogen oxide and flue-gas temperature in specific operation process, to ensure desulfurized effect and temperature stability; The alkaline powders such as quick lime, sulfide lime or calcium carbide powder are transported to flue gas after desulfurization pipeline by metering device by modified ash silo 5, carry out modified to the flue gas after desulfurization, alkalescence powder consumption is 0.1 ~ 1t/h, alkalescence powder not only can mix with the burnt stickum produced that burns of flue gas PetroChina Company Limited., make flue gas lose viscosity, and have secondary desulfuration effect to flue gas; The flue gas losing viscosity after modified enters electric cleaner 3 and carries out dedusting, and the flue-gas temperature after dedusting is 300 ~ 350 DEG C; Flue gas after dedusting enters SCR denitration device 4, and utilize ammonia catalytic reduction process method to carry out denitration, the flue gas after desulphurization denitration enters secondary heat recovery boiler 9, and the flue gas after secondary heat recovery boiler 9 is lowered the temperature passes through booster fan 7 from chimney 5 qualified discharge.

Claims (10)

1. be a flue gas of glass melting furnace desulfurizing and denitrifying process for main fuel with petroleum coke, it is characterized in that: comprise the following steps:
1) high temperature desulfurizing: high-temperature flue gas alkali lye is carried out wet type desulfurizing process, sloughs oxysulfide wherein;
2) flue gas conditioning: carry out modifier treatment to the alkaline powder of the flue gas after desulfurization, makes the stickum in flue gas lose viscosity;
3) flue gas ash removal: the flue gas after modifier treatment is carried out dust removal process;
4) denitration: the flue gas after dust removal process is carried out SCR denitration process, SCR denitration treatment temperature is 300 ~ 350 DEG C, the flue gas qualified discharge after SCR denitration process.
2. according to claim 1 take petroleum coke as the flue gas of glass melting furnace desulfurizing and denitrifying process of main fuel, it is characterized in that: described step 1) in, first high-temperature flue-gas is down to 350 ~ 400 DEG C, and then carries out described wet type desulfurizing process.
3. according to claim 1 and 2 take petroleum coke as the flue gas of glass melting furnace desulfurizing and denitrifying process of main fuel, it is characterized in that: described step 4) in, discharge again after the flue gas after SCR denitration process is carried out waste heat recovery.
4. according to claim 1 take petroleum coke as the flue gas of glass melting furnace desulfurizing and denitrifying process of main fuel, it is characterized in that: described high-temperature flue gas discharge capacity is 60000 ~ 250000Nm 3/ h, and the sulfoxide concentration in described high-temperature flue gas is 2500 ~ 3000mg/Nm 3time, described alkaline powder consumption is 0.1 ~ 1t/h.
5. according to claim 1 take petroleum coke as the flue gas of glass melting furnace desulfurizing and denitrifying process of main fuel, it is characterized in that: described high-temperature flue gas discharge capacity is 60000 ~ 250000Nm 3/ h, and the sulfoxide concentration in described high-temperature flue gas is 2500 ~ 3000mg/Nm 3time, add described alkali lye 2 ~ 5t/h that mass concentration is 23 ~ 26%.
6. take petroleum coke as the flue gas of glass melting furnace desulfurizing and denitrifying process of main fuel according to claim 1 or 4, it is characterized in that: described alkaline powder is made a living lime, sulfide lime, or one or more in Calcium Carbide Ash.
7. be the flue gas of glass melting furnace desulfurizing and denitrifying process of main fuel according to claim 1 or 5 with petroleum coke, it is characterized in that: described alkali lye is NaOH solution or KOH solution.
8. one kind for adopt technique described in claim 1 and custom-designed take petroleum coke as the flue gas of glass melting furnace desulphurization denitration equipment of main fuel, comprise glass melter (1), desulfurizing tower (2), electric cleaner (3), SCR denitration device (4), and chimney (5), it is characterized in that: the exhanst gas outlet (1-1) of described glass melter (1) is connected with the gas approach (2-1) of described desulfurizing tower (2), the first flue (4) is connected with between the exhanst gas outlet (2-2) of described desulfurizing tower (2) and the gas approach (3-1) of described electric cleaner (3), described first flue (4) is connected with modified ash silo (5), the exhanst gas outlet (3-2) of described electric cleaner (3) is connected with the gas approach (4-1) of described SCR denitration device (4), (5 are connected for exhanst gas outlet (4-2) and the described chimney of described SCR denitration device (4), the second flue (6) is connected with between described SCR denitration device (4) and described chimney (5), described second flue (6) is provided with booster fan (7).
9. be the flue gas of glass melting furnace desulphurization denitration equipment of main fuel according to claim 8 with petroleum coke, it is characterized in that: between described glass melter (1) and described desulfurizing tower (2), be provided with one-level heat recovery boiler (8), the exhanst gas outlet (1-1) of described glass melter (1) is connected with the thermal medium inlet (8-1) of described one-level heat recovery boiler (8), and the thermal medium outlet (8-2) of described one-level heat recovery boiler (8) is connected with the gas approach (2-1) of described desulfurizing tower (2).
10. be the flue gas of glass melting furnace desulphurization denitration equipment of main fuel according to claim 8 or claim 9 with petroleum coke, it is characterized in that: between described SCR denitration device (4) and described chimney (5), be provided with secondary heat recovery boiler (9), the exhanst gas outlet (4-2) of described SCR denitration device (4) is connected with the thermal medium inlet (9-1) of described secondary heat recovery boiler (9), and the thermal medium outlet (9-2) of described secondary heat recovery boiler (9) is connected with described chimney (5); Described booster fan (7) is located on the thermal medium outlet pipeline of described secondary heat recovery boiler (9).
CN201510157838.6A 2015-04-03 2015-04-03 Glass melting furnace flue gas desulfurization and denitrification process taking petroleum coke as main fuel and equipment of glass melting furnace flue gas desulfurization and denitrification process Pending CN104801161A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105233644A (en) * 2015-10-20 2016-01-13 济南环保陶瓷除尘技术研究所 Coal-fired flue gas dust-removing desulfurization and denitrification integrated compound technology system
CN105536462A (en) * 2015-12-11 2016-05-04 凯天环保科技股份有限公司 Glass furnace kiln burnt petroleum coke high-temperature flue gas purification device and purification method
CN105771612A (en) * 2016-05-03 2016-07-20 湖北思搏盈环保科技股份有限公司 Environmental-protection comprehensive treatment system and environmental-protection comprehensive treatment process for high-pollution-factor low-temperature flue gas
CN106540529A (en) * 2016-12-23 2017-03-29 大连海事大学 A kind of gas pollutant integrated treatment unit
CN108939912A (en) * 2018-08-15 2018-12-07 西安热工研究院有限公司 One kind being based on helicoid combined desulfurization and denitration arrangement system
CN109279770A (en) * 2018-10-12 2019-01-29 武汉理工大学 The desulphurization during combustion of petroleum coke and the method that reduces mirabilite content are used in a kind of glass industry
CN109772121A (en) * 2019-03-08 2019-05-21 河海大学 A kind of non-electrical industry flue gas low-temperature denitration and dirt sulphur integral processing device
CN110215813A (en) * 2019-06-19 2019-09-10 许翠英 A kind of hot industry flue gas desulfurization and denitrification processing method
CN110252111A (en) * 2019-06-05 2019-09-20 成都易态科技有限公司 Flue gas cleaning treatment method
CN111068485A (en) * 2019-12-25 2020-04-28 天津天钢联合特钢有限公司 Method for preventing denitration catalyst from being blocked
CN113082976A (en) * 2021-04-01 2021-07-09 铜陵泰富特种材料有限公司 Alkaline wet desulphurization process and byproduct treatment method in flue gas denitration-then-desulphurization process
CN114768411A (en) * 2022-04-26 2022-07-22 山东凯希威智能装备有限公司 Diesel engine tail gas treatment process

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101518714A (en) * 2009-03-26 2009-09-02 厦门金纶科技有限公司 Technological process for flue gas purification
CN101537310A (en) * 2008-03-21 2009-09-23 房靖华 Semidry premodulation limestone-gypsum flue gas desulfurizing method
CN102735070A (en) * 2012-07-07 2012-10-17 江苏中建材环保研究院有限公司 Desulfurization and denitrification afterheat power generation systematization device of glass melter flue gas
CN103933838A (en) * 2013-01-21 2014-07-23 山东大学 Pollutant combined removal device and method through recycling of chlorine in coal
CN104289086A (en) * 2014-11-05 2015-01-21 浙江浙大海元环境科技有限公司 Method and device for removing high-concentration dust in flue gas of glass kiln

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101537310A (en) * 2008-03-21 2009-09-23 房靖华 Semidry premodulation limestone-gypsum flue gas desulfurizing method
CN101518714A (en) * 2009-03-26 2009-09-02 厦门金纶科技有限公司 Technological process for flue gas purification
CN102735070A (en) * 2012-07-07 2012-10-17 江苏中建材环保研究院有限公司 Desulfurization and denitrification afterheat power generation systematization device of glass melter flue gas
CN103933838A (en) * 2013-01-21 2014-07-23 山东大学 Pollutant combined removal device and method through recycling of chlorine in coal
CN104289086A (en) * 2014-11-05 2015-01-21 浙江浙大海元环境科技有限公司 Method and device for removing high-concentration dust in flue gas of glass kiln

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105233644B (en) * 2015-10-20 2017-05-03 济南环保陶瓷除尘技术研究所 Coal-fired flue gas dust-removing desulfurization and denitrification integrated compound technology system
CN105233644A (en) * 2015-10-20 2016-01-13 济南环保陶瓷除尘技术研究所 Coal-fired flue gas dust-removing desulfurization and denitrification integrated compound technology system
CN105536462A (en) * 2015-12-11 2016-05-04 凯天环保科技股份有限公司 Glass furnace kiln burnt petroleum coke high-temperature flue gas purification device and purification method
CN105771612A (en) * 2016-05-03 2016-07-20 湖北思搏盈环保科技股份有限公司 Environmental-protection comprehensive treatment system and environmental-protection comprehensive treatment process for high-pollution-factor low-temperature flue gas
CN106540529A (en) * 2016-12-23 2017-03-29 大连海事大学 A kind of gas pollutant integrated treatment unit
CN108939912B (en) * 2018-08-15 2024-01-23 西安热工研究院有限公司 Combined desulfurization and denitrification arrangement system based on rotation
CN108939912A (en) * 2018-08-15 2018-12-07 西安热工研究院有限公司 One kind being based on helicoid combined desulfurization and denitration arrangement system
CN109279770A (en) * 2018-10-12 2019-01-29 武汉理工大学 The desulphurization during combustion of petroleum coke and the method that reduces mirabilite content are used in a kind of glass industry
CN109279770B (en) * 2018-10-12 2022-01-11 武汉理工大学 Method for combustion desulfurization and mirabilite content reduction by using petroleum coke in glass industry
CN109772121A (en) * 2019-03-08 2019-05-21 河海大学 A kind of non-electrical industry flue gas low-temperature denitration and dirt sulphur integral processing device
CN110252111A (en) * 2019-06-05 2019-09-20 成都易态科技有限公司 Flue gas cleaning treatment method
CN110215813A (en) * 2019-06-19 2019-09-10 许翠英 A kind of hot industry flue gas desulfurization and denitrification processing method
CN111068485A (en) * 2019-12-25 2020-04-28 天津天钢联合特钢有限公司 Method for preventing denitration catalyst from being blocked
CN113082976A (en) * 2021-04-01 2021-07-09 铜陵泰富特种材料有限公司 Alkaline wet desulphurization process and byproduct treatment method in flue gas denitration-then-desulphurization process
CN114768411A (en) * 2022-04-26 2022-07-22 山东凯希威智能装备有限公司 Diesel engine tail gas treatment process

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Application publication date: 20150729