CN107794100A - The power plant solid sulphur denitrfying agent of environmental protection and preparation method - Google Patents
The power plant solid sulphur denitrfying agent of environmental protection and preparation method Download PDFInfo
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- CN107794100A CN107794100A CN201711284236.2A CN201711284236A CN107794100A CN 107794100 A CN107794100 A CN 107794100A CN 201711284236 A CN201711284236 A CN 201711284236A CN 107794100 A CN107794100 A CN 107794100A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L9/00—Treating solid fuels to improve their combustion
- C10L9/10—Treating solid fuels to improve their combustion by using additives
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- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
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Abstract
The present invention relates to a kind of power plant with the solid sulphur denitrfying agent of environmental protection and preparation method, the slurries being mixed by organic acid, catalyst, antisludging agent, surface modifier, corrosion inhibiter, sulphur-fixing agent, reducing agent.The solid sulphur denitrfying agent of the present invention, can effectively improve efficiency of combustion, the discharge of sulfur dioxide and nitrogen oxides is greatly decreased.The present invention has outstanding advantages of economic, safe efficient by the use of pharmaceutical factory waste cordyceps sinensis fermentation waste liquid as primary raw material.
Description
Technical field
The present invention relates to a kind of environmental-protection additive of Industrial Boiler particularly boiler of power plant, specifically one kind has
Gu the denitrfying agent and preparation method of sulphur denitration function.
Background technology
The discharge capacity of China's oxysulfide and nitrogen oxides has occupied first place in the world at present, has produced serious air pollution.
70% or so of coal in China yield is used for combustion power generation, is the main source of above-mentioned pollution.Flue calcium injection and desulfurization, selectivity are urged
Oxysulfide, nitrogen oxides technology are controlled after changing reduction (or SNCR) category burning, it is ripe at home and abroad
Ground has carried out comercial operation.
Calcium injection and desulfurization positive effect but the substantial amounts of dust pollution of generation in the above method, considerably increase flue gas ash removal and bear
Lotus.And cooling rate is fast in discharge process due to flue gas, make SCR (or SNCR) technology
Actual denitration rate is only 30~60%, and denitration effect is poor, is increasingly more difficult to achieve environmental requirement.And various researchs show, stove
Interior coal-fired process addition sulphur-fixing agent and denitrfying agent are the effective technologies of solid sulphur denitration, can combine flue gas desulfurization and denitrification and obtain more preferably
Effect.
The content of the invention
The present invention can be improved coal burning effect while be taken off in furnace sulfur fixation using the reagent combination of economic safety
Nitre, realize energy-conservation and environmental protection.
The technical scheme for realizing the object of the invention is：
A kind of power plant solid sulphur denitrfying agent of environmental protection and preparation method, are modified by organic acid, catalyst, antisludging agent, surface
The slurries that agent, corrosion inhibiter, sulphur-fixing agent, reducing agent are mixed.
Chinese caterpillar fungus fermentation waste liquid 30~50%, sugar 12~40%, lime stone 3~15%, lime 3~10%, HEDP1.5~
5%th, waste and old 3~10%, carbonic acid 3~10%, di-iron trioxide 1.5~5%, manganese dioxide 1.5~5%, titanium dioxide 1.5~
5%th, ammonium hydrogen carbonate 1.5~10%, fatty amine primary amine 1.5~5%.
Add the product of sugared after fermentation production acid moreover, the organic acid is Chinese caterpillar fungus fermentation waste liquid, wherein sugar be white sugar, it is red
One or more of mixtures in sugar, glucose, starch.
Moreover, the catalyst is one or more mixtures of di-iron trioxide, manganese dioxide, titanium dioxide.
Moreover, the antisludging agent is one or more mixed in HEDP, aminopolycanboxylic acid's salt (EDTA, MIMDA, IMDA)
Compound.
Moreover, the surface modifier is ammonium hydrogen carbonate.
Moreover, the corrosion inhibiter is one or more mixtures of fatty amine primary amine and its salt.It is preferred that PRIMENE 81-
R, primary octadecylamine acetate, ten di-primary amine acetate
Moreover, the sulphur-fixing agent is one or more mixtures of lime stone, lime, waste and old GPPS, carbonic acid.
Moreover, the reducing agent is ammonium hydrogen carbonate, aminopolycanboxylic acid's salt, (preferably EDTA, MIMDA, IMDA), fatty amine primary
It is one or more mixed in amine and its esters (preferably PRIMENE 81-R, primary octadecylamine acetate, ten di-primary amine acetate)
Compound.
Described the power plant solid sulphur denitrfying agent of environmental protection and the preparation method of preparation method, first in proportion by Chinese caterpillar fungus fermentation waste liquid
With sugared mixed fermentation to acid phase is produced, calcium of organic acid is made in the sulphur-fixing agent reaction for then adding grinding；Catalyst, surface are modified
After agent mixed grinding, above-mentioned calcium of organic acid solution is added；It is sequentially added into antisludging agent, corrosion inhibiter, sulphur-fixing agent again while stirring, stirs
Mix and be mixed into thick slurry liquid.
Advantages of the present invention and beneficial effect：
1st, it is the novel coal additive for having the characteristics that energy-saving and environmental protection that this, which consolidates sulphur denitrfying agent,.Product has different preparation ratios
Example, various Industrial Boilers, particularly coal-fired boiler in power plant are applicable, achievable synthesis economizes on coal 2%~8%, and it is dense to reduce sulfur dioxide
Degree is more than or equal to 50%, reduces nitrous oxides concentration and is more than or equal to 40%, while can devoke more than 50%.
2nd, Chinese caterpillar fungus fermentation waste liquid principle active component is organic acid, including citric acid, lactic acid, acetic acid etc., with lime stone, stone
Ash reaction generation calcium of organic acid, captured sulfur result are more preferable.
3rd, the present invention without K, Na, Cl ion, while with the addition of corrosion inhibiter using protection furnace wall formula.Combustion can be reduced
The damage of coal and medicament to boiler inner wall.
4th, solid sulphur denitrfying agent of the invention, can effectively improve efficiency of combustion, and sulfur dioxide and nitrogen oxides is greatly decreased
Discharge.
5th, the present invention has economical, safe efficient etc. prominent by the use of pharmaceutical factory waste cordyceps sinensis fermentation waste liquid as primary raw material
Go out advantage.
Embodiment
With reference to embodiments, the present invention and its effect are further illustrated, but is originally not limited to these embodiments, Ren He
Improvement or replacement on essence spirit of the present invention, still fall within scope claimed in claims of the present invention.
Embodiment 1
A kind of power plant solid sulphur denitrfying agent of environmental protection and preparation method, by Chinese caterpillar fungus fermentation waste liquid 41%, sugared 21% part, lime stone
8.5%th, lime 4.3%, HEDP2%, waste and old GPPS 4.3%, carbonic acid 4.3%, di-iron trioxide 2%, manganese dioxide
4.3%th, titanium dioxide 2%, ammonium hydrogen carbonate 4.3%, PRIMENE 81-R2% mixed preparings.
The solid sulphur denitrfying agent of section environmental protection, step of preparation process are as follows：
1. first is in proportion 35 degrees Celsius to acid phase, fermentation temperature is produced by Chinese caterpillar fungus fermentation waste liquid and sugared mixed fermentation, hair
Ferment about 5 days；Add the lime stone of grinding, calcium of organic acid slurry is made in lime reaction.
2. di-iron trioxide, manganese dioxide, titanium dioxide, ammonium hydrogen carbonate mixed grinding are added into 200 mesh powder
Machine acid calcium slurry.
3. being sequentially added into HEDP, PRIMENE 81-R, waste and old GPPS, carbonic acid again while stirring, it is stirred into
Thick slurry liquid.
4. according to coal-fired grade, Gu sulphur denitrfying agent is mixed into fire coal according to the ratio that quality is 0.3~7.0%.
The coal sample Industrial Analysis of table 1
The solid sulphur denitrfying agent effect of the environmental protection of the addition of table 2 1%
Embodiment 2
As another scheme of the present invention, do not add white sugar and use glucose instead, to improve the hair of Chinese caterpillar fungus fermentation waste liquid
Ferment produces sour effect, and preparation method is same as Example 1.Effect is shown in Table 3.
The solid sulphur denitrfying agent effect of the environmental protection of the addition of table 3 1%
Embodiment 3
As another scheme of the present invention, refuse reclamation can be further realized, it is by Chinese caterpillar fungus fermentation waste liquid
40.3%th, sugar 11.5%, lime stone 7.7%, lime 3.8%, HEDP1.9%, waste and old GPPS plastics 10%, carbonic acid
7.7%th, di-iron trioxide 1.9%, manganese dioxide 3.8%, titanium dioxide 3.8%, ammonium hydrogen carbonate 3.8%, PRIMENE 81-
R3.8% mixed preparings, preparation method are same as Example 1.Effect is shown in Table 4.
The solid sulphur denitrfying agent effect of the environmental protection of the addition of table 4 1%
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, on the premise of inventive concept is not departed from, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.
Claims (10)
1. a kind of power plant solid sulphur denitrfying agent of environmental protection and preparation method, it is characterised in that：Be by organic acid, catalyst, antisludging agent,
The slurries that surface modifier, corrosion inhibiter, sulphur-fixing agent, reducing agent are mixed.
2. the power plant according to claim 1 solid sulphur denitrfying agent of environmental protection and preparation method, it is characterised in that：The component
Weight/mass percentage composition is：
Chinese caterpillar fungus fermentation waste liquid 30~50%,
Sugar 12~40%,
Lime stone 3~15%,
Lime 3~10%,
HEDP1.5~5%,
Waste and old GPPS 3~10%,
Carbonic acid 3~10%,
Di-iron trioxide 1.5~5%,
Manganese dioxide 1.5~5%,
Titanium dioxide 1.5~5%,
Ammonium hydrogen carbonate 1.5~10%,
Fatty amine primary amine 1.5~5%.
3. the power plant according to claim 1 solid sulphur denitrfying agent of environmental protection and preparation method, it is characterised in that：The organic acid
The product that Chinese caterpillar fungus fermentation waste liquid adds sugared after fermentation production acid, wherein sugar is white sugar, brown sugar, glucose, one kind in starch or
Several mixtures.
4. the power plant according to claim 1 solid sulphur denitrfying agent of environmental protection and preparation method, it is characterised in that：The catalyst
It is one or more mixtures of di-iron trioxide, manganese dioxide, titanium dioxide.
5. the power plant according to claim 1 solid sulphur denitrfying agent of environmental protection and preparation method, it is characterised in that：The antisludging agent
It is one or more mixtures in HEDP, aminopolycanboxylic acid's salt.
6. the power plant according to claim 1 solid sulphur denitrfying agent of environmental protection and preparation method, it is characterised in that：The surface changes
Property agent is ammonium hydrogen carbonate.
7. the power plant according to claim 1 solid sulphur denitrfying agent of environmental protection and preparation method, it is characterised in that：The corrosion inhibiter
It is one or more mixtures of fatty amine primary amine and its salt.
8. the power plant according to claim 1 solid sulphur denitrfying agent of environmental protection and preparation method, it is characterised in that：The sulphur-fixing agent
It is one or more mixtures of lime stone, lime, waste and old GPPS, carbonic acid.
9. the power plant according to claim 1 solid sulphur denitrfying agent of environmental protection and preparation method, it is characterised in that：The reducing agent
It is one or more mixtures in ammonium hydrogen carbonate, aminopolycanboxylic acid's salt, fatty amine primary amine and its esters.
10. power plant according to claim 1 is existed with the solid sulphur denitrfying agent of environmental protection and the preparation method of preparation method, its feature
In：First in proportion by Chinese caterpillar fungus fermentation waste liquid and sugared mixed fermentation to acid phase is produced, the sulphur-fixing agent reaction for then adding grinding is made
Calcium of organic acid；After catalyst, surface modifier mixed grinding, above-mentioned calcium of organic acid solution is added；While stirring again in order
Antisludging agent, corrosion inhibiter, sulphur-fixing agent are added, is stirred into slurries.
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| CN201711284236.2A CN107794100A (en) | 2017-12-07 | 2017-12-07 | The power plant solid sulphur denitrfying agent of environmental protection and preparation method |
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| CN201711284236.2A CN107794100A (en) | 2017-12-07 | 2017-12-07 | The power plant solid sulphur denitrfying agent of environmental protection and preparation method |
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| CN107794100A true CN107794100A (en) | 2018-03-13 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1931978A (en) * | 2006-09-26 | 2007-03-21 | 郴州市绿洲环保科技有限责任公司 | High efficiency coal additive |
| CN104174277A (en) * | 2014-08-22 | 2014-12-03 | 华中科技大学 | Preparation method of efficient desulfurization and denitration agent for coal-fired boiler and application of efficient desulfurization and denitration agent for coal-fired boiler |
| CN104419494A (en) * | 2013-09-09 | 2015-03-18 | 哈尔滨市永恒鑫科技开发有限公司 | Formula of mineral fuel energy-saving combustion-supporting agent |
| CN105420734A (en) * | 2015-11-03 | 2016-03-23 | 张振达 | High-temperature steam corrosion inhibitor and application method thereof |
| CN106554095A (en) * | 2016-12-06 | 2017-04-05 | 无锡龙盈环保科技有限公司 | A kind of environment-friendly boiler corrosion inhibiting and descaling agent and preparation method thereof |
-
2017
- 2017-12-07 CN CN201711284236.2A patent/CN107794100A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1931978A (en) * | 2006-09-26 | 2007-03-21 | 郴州市绿洲环保科技有限责任公司 | High efficiency coal additive |
| CN104419494A (en) * | 2013-09-09 | 2015-03-18 | 哈尔滨市永恒鑫科技开发有限公司 | Formula of mineral fuel energy-saving combustion-supporting agent |
| CN104174277A (en) * | 2014-08-22 | 2014-12-03 | 华中科技大学 | Preparation method of efficient desulfurization and denitration agent for coal-fired boiler and application of efficient desulfurization and denitration agent for coal-fired boiler |
| CN105420734A (en) * | 2015-11-03 | 2016-03-23 | 张振达 | High-temperature steam corrosion inhibitor and application method thereof |
| CN106554095A (en) * | 2016-12-06 | 2017-04-05 | 无锡龙盈环保科技有限公司 | A kind of environment-friendly boiler corrosion inhibiting and descaling agent and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 丁志平主编: "《教育部高职高专规划教材 精细化工概论》", 31 August 2005, 北京：化学工业出版社 * |
| 陈昆柏，郭春霞，魏贵臣编: "《固体废物环境管理丛书 火电厂废烟气脱硝催化剂处理与处置》", 30 June 2017, 河南科学技术出版社 * |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201215 Address after: Room 202, unit 1, building 74, Shilian 2 District, qiutou Town, Gaocheng City, Shijiazhuang City, Hebei Province Applicant after: HEBEI QIANJIERUN CHEMICAL TECHNOLOGY Co.,Ltd. Applicant after: NANKAI UNIVERSITY BINHAI College Address before: Room 202, unit 1, building 74, Shilian 2 District, qiutou Town, Gaocheng City, Shijiazhuang City, Hebei Province Applicant before: HEBEI QIANJIERUN CHEMICAL TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20220729 Address after: Room 202, unit 1, building 74, Shilian 2 District, qiutou Town, Gaocheng City, Shijiazhuang City, Hebei Province Applicant after: Deng Changsheng Address before: Room 202, unit 1, building 74, Shilian 2 District, qiutou Town, Gaocheng City, Shijiazhuang City, Hebei Province Applicant before: HEBEI QIANJIERUN CHEMICAL TECHNOLOGY CO.,LTD. Applicant before: NANKAI UNIVERSITY BINHAI College |
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Application publication date: 20180313 |