CN104190243B - The coal-burning boiler method of carbide slag desulfurization and equipment thereof - Google Patents

The coal-burning boiler method of carbide slag desulfurization and equipment thereof Download PDF

Info

Publication number
CN104190243B
CN104190243B CN201410380844.3A CN201410380844A CN104190243B CN 104190243 B CN104190243 B CN 104190243B CN 201410380844 A CN201410380844 A CN 201410380844A CN 104190243 B CN104190243 B CN 104190243B
Authority
CN
China
Prior art keywords
coal
carbide slag
burning boiler
burner hearth
air channel
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.)
Active
Application number
CN201410380844.3A
Other languages
Chinese (zh)
Other versions
CN104190243A (en
Inventor
王海勤
马庭龙
杨海生
张俊峰
张海玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inner Mongolia Junzheng Chemical Co., Ltd.
Original Assignee
Inner Mongolia Junzheng Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Inner Mongolia Junzheng Chemical Co Ltd filed Critical Inner Mongolia Junzheng Chemical Co Ltd
Priority to CN201410380844.3A priority Critical patent/CN104190243B/en
Publication of CN104190243A publication Critical patent/CN104190243A/en
Application granted granted Critical
Publication of CN104190243B publication Critical patent/CN104190243B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention belongs to filed of flue gas purification, it is proposed to a kind of method of coal-burning boiler carbide slag desulfurization, comprise the following steps: 1) carbide slag through drying to water content less than 2%;2) carbide slag is blown into the burner hearth of coal-burning boiler with roots blower, and the position being blown into is secondary wind inlet bend under burner hearth front-back wall, is blown into and counts as each 4 of front-back wall.Carbide slag main component is Ca (OH)2, add water as carbide generate the industrial residue left over after acetylene gas calcium constituent contained by it can with CaO form and the SO in flue gas2Reaction, reduces SO2Discharge realizes desulphurization in circulating fluidized bed boiler.But carbide slag conveying blockage problem and CFBB charging is uneven, reaction not exclusively, the fluctuation of desulfurization index is big etc., and problem is solved always, the invention solves in carbide slag course of conveying the problems such as canopy is stifled, charging is uneven, it is insufficient to react, the fluctuation of desulfurization index is big.

Description

The coal-burning boiler method of carbide slag desulfurization and equipment thereof
Technical field
The invention belongs to filed of flue gas purification, be specifically related to the sulfur method of a kind of coal-burning boiler and the equipment of use.
Background technology
Carbide is Acetylenogen., chemical formula CaC2.Carbide is the raw material of organic synthesis PVC (polrvinyl chloride).Along with the expansion of China's PVC production capacity, the discharge capacity of carbide slag is increasing, causes serious environmental pollution.Recycle carbide slag, it it is the harnessing project of industrial "three wastes", it is possible not only to solve the pollution problem of this intractable industrial residue of carbide slag, but also recycling of calcium resource can be passed through, reduce the limestone resource exploitation impact on geological environment, reduce the discharge of limestone calcination Ca0 simultaneously.This will largely solve the problem of environmental pollution that carbide slag causes.
In Desulfurization Technique for Coal-fired Boilers field, now adopting maximum desulfurization methods is wet desulphurization, semi-dry desulphurization mode, if burning high sulfur coal, it is necessary to adopt in stove+stove outside the mode of desulfurization simultaneously, it is ensured that desulfurization index.According to the situation that tortoise transformation sulfur content in coal amount is higher, major part power plant all adopts wet desulphurization mode, such as Wuhai steam power plant, E Rong power plant, Hai Bo gulf power plant, Wu Sitai power plant.Domestic and international many experimental results and operative practice show, by adding limestone, the SO of CFBB in stove2Concentration of emission disclosure satisfy that national requirements for environmental protection; consumption of limestone when running at present has been increasingly becoming one bigger expenditure of electricity power enterprise, seeks a kind of desulfurizing agent cheap, colory significant for reduction enterprise production cost, raising environmental protection of enterprise enthusiasm.
Utilizing carbide slag to prepare calcium oxide and carry out the technology of desulfurization in 2012 by sky, Shihezi richness thermoelectricity and Tianshan Mountains, Shihezi Aluminum power plant for self-supply, He Shenggui industry power plant for self-supply proposes.Specifically comprises the processes of:--------levigate--inspection--sells, and is delivered into boiler as heat-engine plant desulfurized dose (calcium oxide more than 80%, fineness lmm) and carries out desulfurization in calcination in drying to add reducing agent in pulverizing.This technological transformation investment cost 6,100,000 yuan, this technique need to increase personnel 30 people, increases Preparation equipment 18, has declared patent, application for a patent for invention number 201210245226.9, utility model application 201220343141.X in 2012.This technology there is a problem in that equipment investment is big, system complex, staffing increase, plant maintenance amount are big.
Along with the expansion day by day of China's PVC industry, the Industrial Solid waste material carbide slag of generation is increasing, and environmental protection pressure is increasing, and adopting Novel desulphurization mode in carbide slag hearth is the development trend of the current economic desulfurization of domestic cycle fluidized-bed combustion boiler.
Summary of the invention
For the weak point of art technology, a kind of method that the purpose of the present invention is to propose to coal-burning boiler carbide slag desulfurization.
It is another object of the present invention to propose the equipment of a kind of coal-burning boiler carbide slag desulfurization.
For realizing above-mentioned purpose technical scheme of the present invention it is:
A kind of method of coal-burning boiler carbide slag desulfurization, comprises the following steps:
1) carbide slag is through drying (need not pulverize, particle diameter is about 0.5mm), and water content is less than 2%;
2) carbide slag dried is blown into the burner hearth of coal-burning boiler with roots blower, and the position being blown into is the secondary wind entrance of burner hearth front-back wall, controls the amount of being blown into of carbide slag according to calcium with the mol ratio 2:1 of sulfur in fuel.
Carbide slag desulfurization principle:
Carbide slag main component is Ca (OH)2, react with fuel sulphur oxide and be:
Ca(OH)2+SO2=CaSO3·1/2H2O+1/2H2O(1)
CaSO3·1/2H2O+3/2H2O+1/2O2=CaSO4·2H2O(2)
CaSO3·1/2H2O+1/2H2O+SO2=Ca (HSO3)2(3)
CaSO3·1/2H2O+3/2H2O+1/2O2=CaSO4 2H2O(4)
Wherein, the fuel of described coal-fired boiler combustion is raw coal, wash in middle coal, gangue one or more, the particle diameter of fuel is below 9mm, and the sulfur content of fuel is 0.2-1.5%.
Preferably, the fuel of described coal-fired boiler combustion is raw coal, washes middle coal and gangue, and its proportioning is raw coal 30-50%, washes middle coal 30-50%, gangue 10-30%.
Sulfur content in coal amount is more big, it is necessary to the amount of carbide slag is just big.As-fired coal flow is generally 60-80t/h.
Further, described coal-burning boiler First air inlet temperature is 245 DEG C, and secondary wind inlet temperature is 245 DEG C, and carbide slag inlet temperature is 20 DEG C~25 DEG C,
Wherein, described coal-burning boiler First air inlet temperature is 245 DEG C, and secondary wind inlet temperature is 245 DEG C,
Wherein, being blown into carbide slag when bed temperature 850 DEG C, carbide slag inlet temperature is 20 DEG C~25 DEG C, and it is 20 DEG C~25 DEG C that carbide slag enters the temperature before burner hearth.
Wherein, the blower fan discharge pressure to carbide slag is controlled more than secondary wind pressure.
The equipment of a kind of coal-burning boiler carbide slag desulfurization, including roots blower, feed pipe, feeding system;
Described roots blower is arranged on conveyance conduit, conveyance conduit is adopting pipeline distributor entrance front wall and each 4 feed pipes of rear wall near burner hearth place, described feed pipe is connected with the secondary air channel of coal-burning boiler, and feed pipe enters along lower secondary air channel that burner hearth elbow is parallel to be penetrated inside secondary air channel to burner hearth;Described feeding system is connected with conveyance conduit;
The every stove of each coal-burning boiler is connected to eight feed pipes altogether.Feed entrance point is the lower secondary air channel of stokehold wall and rear wall, and front wall is existing band hagioscope secondary air channel, and rear wall is the lower secondary air channel except first side and first, second side airduct.
Preferably, described coal-burning boiler is CFBB, First air blast 20KPa, secondary wind blast 17-18KPa.
Preferably, each coal-burning boiler is provided with three feeding systems.
It is further preferred that front wall is existing band hagioscope secondary air channel, being specially from first lateral second side number the 2nd, 3,5,8, rear wall is the lower secondary air channel from stove left and right wall, is specially from the 2nd, 3,5,7 airducts of first lateral second side number.
Feed entrance point is secondary air channel under stokehold wall (rear wall), feed pipe enters along lower secondary air channel that burner hearth elbow is parallel to be penetrated inside secondary air channel to burner hearth, cause that secondary wind is as sealing air entering stove charging termination, guarantee that desulfurizing agent enters stove jet velocity, and when stopping transport to powder system, secondary wind does not return feeding pipe.Because carbide slag discharge pressure is more than secondary wind pressure.
Carbide slag is blown into burner hearth (secondary wind entrance is blown into from burner hearth two side), an often piece conveyance conduit of set feeding system configuration, conveyance conduit is adopting 4 of pipeline distributor entrance front wall (rear wall) to enter fire door near burner hearth place, and every stove has 8 chargings.Feed entrance point is secondary air channel under stokehold wall (rear wall), feed pipe enters along lower secondary air channel that burner hearth elbow is parallel to be penetrated inside secondary air channel to burner hearth, cause that secondary wind is as sealing air entering stove charging termination, guarantee that desulfurizing agent enters stove jet velocity, and when stopping transport to powder system, secondary wind does not return feeding pipe.Because carbide slag discharge pressure is more than secondary wind pressure.
The present invention changes two original desulfurizing agent's feeding systems into three sets, increases a set of feeding system, standby to reach two fortune one, it is ensured that SO2Concentration of emission 100% reaches environmental protection new-standard requirement.
The beneficial effects of the present invention is:
Carbide slag main component is Ca (OH)2, add water as carbide generate the industrial residue left over after acetylene gas calcium constituent contained by it can with CaO form and the SO in flue gas2Reaction, reduces SO2 discharge and realizes desulphurization in circulating fluidized bed boiler.But carbide slag conveying blockage problem and CFBB charging is uneven, reaction not exclusively, the fluctuation of desulfurization index is big etc., and problem is solved always, the invention solves in carbide slag course of conveying the problems such as canopy is stifled, charging is uneven, it is insufficient to react, the fluctuation of desulfurization index is big.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1 desulphurization plant.
Fig. 2 is embodiment 2 desulfurized effect trendgram in 8 hours.
Fig. 3 is two set charging system construction drawings of prior art.
Fig. 4 is lower secondary wind entrance feed pipe mode schematic diagram.
In figure, 1 is carbide slag charging aperture, and 2 is compressed air inlet, 3 is surge bunker, and 4 is carbide slag storehouse, and 5 is roots blower, 6 is burner hearth, 601 is the front wall of burner hearth, and 602 is the rear wall of burner hearth, and 7 is feed pipe, 8 is maintenance compressed air inlet, 9 is sack cleaner, and 10 is instrument source of the gas pipeline, and 13 is secondary wind air inlet.
Detailed description of the invention
Below by most preferred embodiment, the present invention is described.Those skilled in the art institute it should be understood that, embodiment only be used for illustrate rather than for limiting the scope of the present invention.
In embodiment, if no special instructions, means used are the means that this area is conventional.
Embodiment 1:
The coal-burning boiler of the present embodiment is positioned at the 1# boiler of Inner Mongol Wuhai Jun Zheng steam power plant.
The equipment of desulfurization is shown in Fig. 1, including the conveying roots blower 5 of desulfurizing agent, feed pipe 7, feeding system;
Roots blower 5 is arranged on conveyance conduit, conveyance conduit is adopting 2 groups of feed pipes of pipeline distributor entrance front wall and rear wall near burner hearth place, described feed pipe 7 is connected with the secondary air channel of coal-burning boiler, material pipe by entering the pipe bent position perforate of burner hearth at lower secondary air channel, and enter stove direction along secondary air channel and penetrate carbide slag feed pipe to lower overfiren air port end, welding, connection are (see Fig. 4, the arrow at secondary wind air inlet 13 place represents air intake direction), and and enter in 15 degree of corner connections between secondary air channel.The sealing air causing secondary wind (or First air) is terminated entering stove charging.
Described feeding system is connected with conveyance conduit.
Feeding system includes three carbide slag storehouses 4, roots blower 5, surge bunker 3, frequency conversion loader (in the Inner Mongol Ke Xingrui Environmental Protection Technology Co., Ltd, model ZKJL15-220), is used for inputting desulfurizing agent carbide slag feed.In the present embodiment, feeding system is totally three sets, increases a set of feeding system than original system, to reach two fortune one standby (1#, 2#, 3# are for equipment serial number in Fig. 1, figure), it is ensured that SO2Concentration of emission 100% reaches environmental protection new-standard requirement.
The every stove of each coal-burning boiler is connected to the feed pipe 7 of eight desulfurizing agents altogether.Feed entrance point is secondary air channel under stokehold wall (rear wall), front wall is existing band hagioscope secondary air channel (from first lateral second side number the 2nd, 3,5,8), and rear wall is the lower secondary air channel (from first lateral second side number the 2nd, 3,5,7) from stove left and right wall.Front wall has 4 secondary air channels altogether, and rear wall has 4 secondary air channels altogether.The overfiren air port total quantity of this coal-burning boiler 34, upper and lower totally 18 overfiren air ports of front wall, front wall top overfiren air port 8, bottom overfiren air port 10;Rear wall overfiren air port totally 16, top overfiren air port 8, bottom overfiren air port 8.
During scrap build, material pipe by entering the pipe bent position perforate of burner hearth at lower secondary air channel, and enter stove direction along secondary air channel and penetrate carbide slag feed pipe to lower overfiren air port end, welding, connection, and terminate a road secondary wind as sealing air entering stove charging, guarantee that desulfurizing agent enters stove jet velocity, and when stopping transport to powder system, secondary wind does not return feeding pipe.
Embodiment 2: the operation of desulfurization
Carbide slag main component is Ca (OH)2, add water as carbide generate the industrial residue left over after acetylene gas calcium constituent contained by it can with CaO form and the SO in flue gas2Reaction, reduces SO2 discharge and realizes desulphurization in circulating fluidized bed boiler.But carbide slag conveying blockage problem and CFBB charging is uneven, reaction not exclusively, the fluctuation of desulfurization index is big etc., and problem is solved always, the target of research and development is to solve in carbide slag course of conveying the problems such as canopy is stifled, charging is uneven, it is insufficient to react, the fluctuation of desulfurization index is big.
Desulfurizing agent adopts moisture content 2% carbide slag after drying, select from boiler secondary air port fed technology, carbide slag material enters burner hearth under the effect of secondary wind boosting power, fully reacts with the mixing of materials in burner hearth, reach the purpose of desulfurization under the effect of recirculating fluidized bed.Technique in all CFBBs and the power plant's popularization possessing carbide slag desulfurization condition, at utmost can be turned waste into wealth.
The system adopting embodiment 1 carries out desulfuration in furnace:
1) carbide slag is through drying (particle diameter is about 0.5mm) water content less than 2%, is blown into carbide slag when bed temperature 850 DEG C;
2) carbide slag is blown into the burner hearth of coal-burning boiler with roots blower, and the position being blown into is the lower secondary wind inlet bend place of burner hearth both sides, enters burner hearth duct orientation along secondary wind and penetrates burner hearth inside secondary air channel, fuel quantity 80.12t/h during burning.Calcium sulfur ratio is 2.
The fuel of this coal-fired boiler combustion is raw coal 40%, washes middle coal 40%, gangue 20%, particle diameter 0-9mm.The sulfur content 1.4-1.5% of fuel.
Coal-burning boiler First air inlet temperature is 245 DEG C, and secondary wind inlet temperature is 245 DEG C, and carbide slag inlet temperature is 20 DEG C~25 DEG C, and it is 20 DEG C~25 DEG C that carbide slag enters the temperature before burner hearth.
Chemical plant carbide slag is poured Hui Chang into as waste part and is buried process, and its desulfurization main chemical compositions is identical with limestone desulfurization mechanism, therefore can turn waste into wealth with carbide slag desulfurization, reduces desulphurization cost.Two cover systems of desulfurization run, a set of standby, and two overlap batcher rotating speeds about 10%, SO2Discharge value 100mg/Nm3Fluctuating, running and comparing is stable, it is possible to reaches national environmental protection and is about to the environmental protection new-standard requirement of enforcement on July 1st, 2014.Fig. 2 is desulfurized effect trendgram in 8 hours, illustrates when as-fired coal sulfur content is less than 1.5%, and Sulfur Dioxide Emission Allowances is except 5 minutes hop value are more than 200mg/Nm3Outward, all the other all can be less than 200mg/Nm3Environmental protection new-standard requirement.But, along with the uninterrupted change of as-fired coal sulfur content, when batcher rotation speed change is little, Sulfur Dioxide Emission Allowances is at 0~200mg/Nm3Between fluctuation.
Embodiment 3: the operation of desulfurization
The system adopting embodiment 1 carries out desulfuration in furnace:
1) carbide slag is through drying (particle diameter is about 0.5mm) water content less than 2%, is blown into carbide slag when bed temperature 850 DEG C;
2) carbide slag is blown into the burner hearth of coal-burning boiler with roots blower, and the position being blown into is the lower secondary wind inlet bend place of burner hearth both sides, enters burner hearth duct orientation along secondary wind and penetrates burner hearth inside secondary air channel, fuel quantity 70t/h during burning.Calcium sulfur ratio is 2.The fuel of this coal-fired boiler combustion is raw coal 40%, washes middle coal 40%, gangue 20%, particle diameter 0-9mm.The sulfur content 1.3% of fuel.
Coal-burning boiler First air inlet temperature is 245 DEG C, and secondary wind inlet temperature is 245 DEG C, and it is 20 DEG C~25 DEG C that carbide slag enters the temperature before burner hearth.
Two cover systems of desulfurization run, a set of standby, and two overlap batcher rotating speeds about 10%, SO2Discharge value 100mg/Nm3Fluctuating, running and comparing is stable, it is possible to reaches national environmental protection and is about to the environmental protection new-standard requirement of enforcement on July 1st, 2014.Along with the uninterrupted change of as-fired coal sulfur content, when batcher rotation speed change is little, Sulfur Dioxide Emission Allowances is at 0~200mg/Nm3Between fluctuation.
Comparative example
With limestone desulfurization, limestone feed entrance point is 3 material inlet feeds of front wall, two feeding systems (Fig. 3).Feeding system includes two limestone storehouses, is provided above with sack cleaner 9.Other roots blower 5, surge bunker, frequency conversion loader configure with embodiment 1.
This CFBB adopts the limestone desulfurization technique that boiler factory designs to be in-furnace calcium spraying dry desulfurizing process throughout the year, namely adopts roots blower to be delivered in burner hearth by conveyance conduit by agstone.Fuel quantity 80.12t/h limestone 10.4t/h during burning.As-fired coal granularity 0~9mm, enters stove limestone granularity 0~1.5mm, and limestone enters stove wind speed 23m/s, SO2Discharge value 278mg/Nm3;NOx emission value 236mg/Nm3Carbonic acid content 97.446% in limestone, magnesium carbonate 1.974%, moisture content 0.01%, other is 0.57% years old.The dmax=1.5mm of limestone maximum particle diameter;D50=0.45mm.
Desulphurization cost higher (coal desulfurization cost per ton 6.32 yuan), and it is unable to reach the environmental protection new-standard requirement being about to implement in environmental protection on July 1st, 2014.Original unit discharges: SO2Discharge value 200mg/Nm3;NOx emission value 200mg/Nm3.Unit discharge after present invention improvement: SO2Discharge value 100mg/Nm3;NOx emission value 100mg/Nm3
Adopting the carbide slag desulfurization method of the present invention, desulfuration efficiency is up to 90.94%, and coal desulfurization cost per ton is 5.23 yuan, saves cost 1.09 yuan than limestone desulfurization mode.
Using carbide slag to be circulated the impact on unit generation cost of the fluidized-bed combustion boiler desulfuration in furnace and include two aspects: one is the decline of desulfurizing agent cost, one is that boiler thermal output improves the coal consumption reduction brought.According to unit year hours of operation 7000h, unit load rate 91.44%, as-fired coal sulfur content 1.14%.Dried 64.9 yuan/t of carbide slag, 70.1 yuan/t of limestone, 270 yuan/t of as-fired coal are calculated (result of calculation is in Table), it can be seen that use carbide slag to substitute limestone desulfurization and have obvious economy advantage.When calcium to sulphur mole ratio is 2, use that carbide slag is more annual than limestone saves desulfurizing agent cost 103.57 ten thousand yuan, fuel cost 251.37 ten thousand yuan.
Table 1: econmics comparison result summary sheet
Above embodiments is only that the preferred embodiment of the present invention is described; not the scope of the present invention is defined; under the premise designing spirit without departing from the present invention; various modification that technical scheme is made by this area ordinary skill technical staff and improvement, all should fall in the protection domain that claims of the present invention are determined.

Claims (6)

1. the coal-burning boiler method of carbide slag desulfurization, it is characterised in that comprise the following steps:
1) carbide slag is through drying, it is not necessary to pulverizing, water content is less than 2%;
2) with roots blower, the carbide slag dried is blown into the burner hearth of coal-burning boiler, the position being blown into is the secondary wind entrance of burner hearth front-back wall, the amount of being blown into of carbide slag is controlled with the mol ratio 2:1 of sulfur in fuel according to calcium, described coal-burning boiler is CFBB, First air blast 20KPa, secondary wind blast 17-18Kpa;
Wherein, the particle diameter of the fuel of described coal-fired boiler combustion is below 9mm, and the sulfur content of fuel is 0.2-1.5%;
Equipment for coal-burning boiler carbide slag desulfurization includes roots blower, feed pipe, feeding system;
Described roots blower is arranged on conveyance conduit, conveyance conduit is adopting pipeline distributor entrance front wall and each 4 feed pipes of rear wall near burner hearth place, described feed pipe is connected with the secondary air channel of coal-burning boiler, and feed pipe enters along lower secondary air channel that burner hearth elbow is parallel to be penetrated inside secondary air channel to burner hearth;Described feeding system is connected with conveyance conduit;
The every stove of each coal-burning boiler is connected to eight feed pipes altogether, and feed entrance point is the lower secondary air channel of stokehold wall and rear wall, and front wall is the secondary air channel with hagioscope, and rear wall is the lower secondary air channel except first side and first, second side airduct.
2. method according to claim 1, it is characterised in that the fuel of described coal-fired boiler combustion is raw coal, washes middle coal and gangue, and its proportioning is raw coal 30-50%, washes middle coal 30-50%, gangue 10-30%.
3. method according to claim 1, it is characterised in that described coal-burning boiler First air inlet temperature is 245 DEG C, and secondary wind inlet temperature is 245 DEG C.
4. according to the arbitrary described method of claim 1-3, it is characterised in that be blown into carbide slag when bed temperature 850 DEG C, carbide slag inlet temperature is 20 DEG C-25 DEG C, and it is 20 DEG C-25 DEG C that carbide slag enters the temperature before burner hearth.
5. method according to claim 1, it is characterised in that each coal-burning boiler is provided with three feeding systems.
6. method according to claim 1 or 5, it is characterized in that, front wall is existing band hagioscope secondary air channel, is specially from the 2nd, 3,5,8 airducts of first lateral second side number, rear wall is the lower secondary air channel from stove left and right wall, is specially from the 2nd, 3,5,7 airducts of first lateral second side number.
CN201410380844.3A 2014-08-05 2014-08-05 The coal-burning boiler method of carbide slag desulfurization and equipment thereof Active CN104190243B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410380844.3A CN104190243B (en) 2014-08-05 2014-08-05 The coal-burning boiler method of carbide slag desulfurization and equipment thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410380844.3A CN104190243B (en) 2014-08-05 2014-08-05 The coal-burning boiler method of carbide slag desulfurization and equipment thereof

Publications (2)

Publication Number Publication Date
CN104190243A CN104190243A (en) 2014-12-10
CN104190243B true CN104190243B (en) 2016-07-27

Family

ID=52075695

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410380844.3A Active CN104190243B (en) 2014-08-05 2014-08-05 The coal-burning boiler method of carbide slag desulfurization and equipment thereof

Country Status (1)

Country Link
CN (1) CN104190243B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106178907A (en) * 2015-04-29 2016-12-07 周建强 A kind of CFBB ultra-fine desulfurizer granule sulfur method
CN106241384B (en) * 2016-09-12 2019-03-19 中国电力工程顾问集团西南电力设计院有限公司 A kind of agstone air-transport system and control method
CN110624376A (en) * 2019-09-29 2019-12-31 山西大学 Furnace desulfurization system with micro-oxidation, high mass transfer and quick response of circulating fluidized bed
CN112892467B (en) * 2019-12-04 2022-05-31 武汉科林化工集团有限公司 Method for preparing flue gas desulfurization powder adsorbent by using liquid-solid waste
CN112916594B (en) * 2021-05-10 2021-07-27 中国科学院过程工程研究所 Anti-condensation method in dry-method carbide slag recycling process

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1086959C (en) * 1999-10-14 2002-07-03 王晋宁 Flue gas desulfurizing agent and method
CN1994529A (en) * 2006-12-01 2007-07-11 华南理工大学 Sulfur-fixing rate improved sulfur-fixing agent of circulating fluidized bed, preparation method and application thereof
CN103316577B (en) * 2013-05-27 2015-12-23 中国石化江汉油田分公司盐化工总厂 Salt slurry-purified brine flue gas desulfurization technique
CN203355606U (en) * 2013-06-22 2013-12-25 中能东讯新能源科技(大连)有限公司 Cyclone separator desulfurizer
CN203671593U (en) * 2013-12-23 2014-06-25 太原锅炉集团有限公司 Internal and external cooperated pollutant removing device for boiler of flow state reconstructed circulating fluidized bed
CN204093300U (en) * 2014-08-05 2015-01-14 内蒙古君正能源化工股份有限公司热电厂 Coal-burning boiler carbide slag desulphurization plant

Also Published As

Publication number Publication date
CN104190243A (en) 2014-12-10

Similar Documents

Publication Publication Date Title
CN104190243B (en) The coal-burning boiler method of carbide slag desulfurization and equipment thereof
CN205138078U (en) Energy -saving calcium base desulfurizer and desulfurized gypsum drying system
CN201427021Y (en) Flue gas desulfurization device for digestive and circulating fluidized bed
CN106178907A (en) A kind of CFBB ultra-fine desulfurizer granule sulfur method
CN204093300U (en) Coal-burning boiler carbide slag desulphurization plant
CN106925106A (en) Wet desulphurization method in a kind of CFB boiler stove
CN202725020U (en) Calcium carbonate composite addition dry desulfurization system of circulating fluidized bed boiler (CFBB)
CN205073877U (en) Semidry method flue gas desulphurization device of single venturi structure
CN207838701U (en) A kind of cement kiln desulfurizer
CN205164488U (en) Mixed flue gas wet flue gas desulfurization device of fire coal - catalysis
CN103032360A (en) Method and device for controlling desulfuration system
CN203281221U (en) Dry fine continuous desulfurization device for CFB (Circulating fluid bed) boiler
CN202555128U (en) Equipment for desulfurizing in boiler by using semidry process desulfurization ash
CN201625501U (en) Desulfurizing device for circulating fluidized bed boiler
CN105148721B (en) A kind of dry method desulfuration system
CN107252624A (en) The semi-dry desulphurization system and technique of a kind of utilization flyash
CN204694083U (en) One gets wind heat-obtaining device and system thereof
CN201493051U (en) Flue gas desulfurization and return device for circulating fluidized bed
CN205435462U (en) A solid sulphur structure of desulphurization of exhaust gas for cement industry
CN102350211A (en) Three-stage desulfurization device for circulating fluidized bed boiler
CN202725022U (en) Flue gas desulfurization returning device of circulating fluidized bed
CN110052158A (en) One kind recycling dry method desulfuration system based on cement clinker production line calcium
CN206222343U (en) A kind of online lime stone is to powder system
CN210752064U (en) Calcium circulation semi-dry desulfurization system for cement clinker production line
CN210752063U (en) Calcium circulation desulfurization system based on cement clinker production line

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20151124

Address after: 016041, the Inner Mongolia Autonomous Region Wuda Industrial Park, Inner Mongolia Wuhai positive energy chemical group Limited by Share Ltd

Applicant after: Inner Mongolia positive energy chemical industry group Limited by Share Ltd

Address before: 016040 Wuda Industrial Park, the Inner Mongolia Autonomous Region, Wuhai

Applicant before: THERMOELECTRICITY PLANT, INNER MONGOLIA JUNZHENG ENERGY CHEMICAL CO., LTD.

CB03 Change of inventor or designer information

Inventor after: Wang Haiqin

Inventor after: Ma Tinglong

Inventor after: Yang Haisheng

Inventor after: Zhang Junfeng

Inventor after: Zhang Hailing

Inventor before: Wang Haiqin

Inventor before: Ma Tinglong

Inventor before: Yang Haisheng

Inventor before: Zhang Junfeng

Inventor before: Zhang Hailing

COR Change of bibliographic data
C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20160307

Address after: 016041 the Inner Mongolia Autonomous Region Wuda Wuhai Industrial Park Inner Mongolia Jun energy chemical group Limited by Share Ltd

Applicant after: Luan Fangfang

Address before: 016041, the Inner Mongolia Autonomous Region Wuda Industrial Park, Inner Mongolia Wuhai positive energy chemical group Limited by Share Ltd

Applicant before: Inner Mongolia positive energy chemical industry group Limited by Share Ltd

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20160413

Address after: 016041 the Inner Mongolia Autonomous Region Wuda Wuhai Industrial Park Inner Mongolia Jun energy chemical group Limited by Share Ltd

Applicant after: Inner Mongolia Junzheng Chemical Co., Ltd.

Address before: 016041 the Inner Mongolia Autonomous Region Wuda Wuhai Industrial Park Inner Mongolia Jun energy chemical group Limited by Share Ltd

Applicant before: Luan Fangfang

C41 Transfer of patent application or patent right or utility model
C14 Grant of patent or utility model
GR01 Patent grant