CN108300531A - A kind of composite coal binder and preparation method thereof - Google Patents
A kind of composite coal binder and preparation method thereof Download PDFInfo
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- CN108300531A CN108300531A CN201810122181.3A CN201810122181A CN108300531A CN 108300531 A CN108300531 A CN 108300531A CN 201810122181 A CN201810122181 A CN 201810122181A CN 108300531 A CN108300531 A CN 108300531A
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- parts
- mud
- acrylamide
- binder
- maleic anhydride
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Classifications
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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
- C10L5/00—Solid fuels
- C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
- C10L5/06—Methods of shaping, e.g. pelletizing or briquetting
- C10L5/10—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders
- C10L5/14—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders with organic binders
- C10L5/143—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders with organic binders with lignin-containing products
-
- 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
- C10L5/00—Solid fuels
- C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
- C10L5/06—Methods of shaping, e.g. pelletizing or briquetting
- C10L5/10—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders
- C10L5/105—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders with a mixture of organic and inorganic binders
-
- 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
- C10L5/00—Solid fuels
- C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
- C10L5/06—Methods of shaping, e.g. pelletizing or briquetting
- C10L5/10—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders
- C10L5/12—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders with inorganic binders
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of composite coal binders, include the component of following parts by weight：Maleic anhydride/20~25 parts of acrylamide/hydroxyethylacrylate copolymer；6~12 parts of anthocyanidin；2~5 parts of tea polyphenols；4~7 parts of cerous sulfate；6~9 parts of calcium nitrate；3~6 parts of manganese sulfate；2~3 parts of copper sulphate；4~6 parts of ferric sulfate；10~15 parts of activated carbon；12~43 parts of modified alta-mud；The modified alta-mud is bentonite, is heated to obtain after the mixing of silane coupling agent, oleic acid.The composite coal binder of the present invention can not only keep preferably adhesive property, while the advantages of nontoxic raw materials used is harmless, and in the effect that can play solid sulphur and denitrogenation using process.
Description
Technical field
The invention belongs to gas denitrifying technology fields, more particularly to a kind of composite coal binder and preparation method thereof.
Background technology
With China's industrialization, the deep propulsion of urbanization, energy consumption continues to increase, prevention and control of air pollution pressure
Continue to increase, wherein pellet (PM10), fine particle (PM2.5), nitrogen oxides (NOx), sulfur-containing compound (SOx)
The atmospheric environment problem for being characterized pollutant becomes increasingly conspicuous, and seriously damages body health of people, influences the sustainable of society
Development.Energy Situation based on China based on coal, environment guarantor can effectively be alleviated by vigorously promoting the use clean moulded coal technology
Protect pressure.
For industrial moulded coal, the excellent and binder of performance is closely related, and presently used binder is according to chemistry
Qualitative classification mainly includes machine binder, inorganic binder and compound binding agent.Wherein organic binder has caking property
Good, moulded coal the high mechanical strength of energy, but its hot strength is generally poor.Inorganic binder hot strength is high, but its own
Can not burn can increase corresponding ash content.Complex class binder can make up insufficient existing for single binder, raising binder
Pleiotropism, have become the main direction of studying of current binder.In addition, the shaped coal technology in China mainly solves at present
It is molded adhesion problem, but briquette binder will produce more pollutant in combustion, be further exacerbated by tail gas
The degree of difficulty of reason, therefore it can be largely subtracting for pollutant to research and develop novel environment amenable briquette binder
Row makes contributions.
Invention content
To solve the above problems, the present invention proposes a kind of composite coal binder and preparation method thereof.
The present invention is achieved through the following technical solutions：
A kind of composite coal binder includes the component of following parts by weight：
Maleic anhydride/20~25 parts of acrylamide/hydroxyethylacrylate copolymer；
6~12 parts of anthocyanidin；
2~5 parts of tea polyphenols；
4~7 parts of cerous sulfate；
6~9 parts of calcium nitrate；
3~6 parts of manganese sulfate；
2~3 parts of copper sulphate；
4~6 parts of ferric sulfate；
10~15 parts of activated carbon；
12~43 parts of modified alta-mud；
The modified alta-mud is bentonite, is heated to obtain after the mixing of silane coupling agent, oleic acid.
Further to improve, maleic anhydride-acrylamide and acrylic acid hydroxyl ethyl ester copolymer is using acrylamide, Malaysia
Acid anhydride and hydroxy-ethyl acrylate are raw material, and being 60 DEG C in reaction temperature by initiator of the hydrogen peroxide of ammonium persulfate and 30wt% is handled
What 12h was obtained, wherein the molar ratio of acrylamide, maleic anhydride and hydroxy-ethyl acrylate is 1:1:1, ammonium persulfate and hydrogen peroxide with
Monomer weight ratio is respectively 3wt% and 10wt%, and the relative molecular weight for finally obtaining the copolymer is 4500.
Further to improve, the modified alta-mud is bentonite, silane coupling agent, oleic acid according to weight ratio 100:1.5:
After 2.0 mix at normal temperatures, processing 60min is obtained under the conditions of 80 DEG C.
A kind of preparation method of composite coal binder, includes the following steps：
Step 1) by bentonite, silane coupling agent, oleic acid according to weight ratio 100:1.5:After 2.0 mix at normal temperatures,
60min is handled under the conditions of 80 DEG C, obtains modified alta-mud；Step 2) it is weighed by following parts by weight and mixes each component：
Maleic anhydride/20~25 parts of acrylamide/hydroxyethylacrylate copolymer, 6~12 parts of anthocyanidin, tea polyphenols 2~5
Part, 4~7 parts of cerous sulfate, 6~9 parts of calcium nitrate, 3~6 parts of manganese sulfate, 2~3 parts of copper sulphate, 4~6 parts of ferric sulfate, activated carbon 10~
15 parts, 12~43 parts of modified alta-mud；
Step 3) after mixing, it transfers them in reaction kettle, is passed through high pure nitrogen thereto so that in reaction kettle
Oxygen content is reduced to 0.3% or less；
Step 4) reaction kettle is heated to 220~250 DEG C, react 1~4h；
Step 5) reaction kettle is cooled to room temperature, take out material, you can obtain briquette binder.
Compared with prior art, the present invention has the following advantages：
(1) raw materials for production of briquette binder of the invention use nontoxic component, reduce the danger to natural environment
Evil；Its simple production process, easily operated simultaneously.
(2) maleic anhydride/acrylamide/hydroxyethylacrylate copolymer, anthocyanidin, tea polyphenols, modified alta-mud are common
The adhesive property of briquette binder can be significantly improved after treatment；The addition of calcium nitrate, ferric sulfate can play solid sulphur and make
With the content for reducing sulfide in fire coal tail gas；On the one hand manganese sulfate, copper sulphate, cerous sulfate can inhibit coal combustion process significantly
On the other hand the nitrogen oxides of formation can be catalytically decomposed or be catalyzed reduction by middle formation nitrogen oxides；In addition cerous sulfate
Cerium oxide can be formed in coal combustion process, the Elements C e in cerium oxide can be recycled between+3 and+4 valences and be released to play storage
It puts the performance of oxygen and then the completely burned of coal can be promoted.The addition of activated carbon is to be turned up the intensity of binder, to make coal
Crushing strength improve.
Specific implementation mode
In order to make those skilled in the art more fully understand technical scheme of the present invention, and make the present invention features described above,
Purpose and advantage are more clear understandable, are further explained explanation to the present invention in conjunction with embodiment, it is noted that herein
All embodiments listed are merely illustrative, are not meant to be defined the scope of the invention.
Maleic anhydride-acrylamide and acrylic acid hydroxyl ethyl ester copolymer in following embodiment is using acrylamide, Malaysia
Acid anhydride and hydroxy-ethyl acrylate are raw material, and being 60 DEG C in reaction temperature by initiator of the hydrogen peroxide of ammonium persulfate and 30wt% is handled
What 12h was obtained, wherein the molar ratio of acrylamide, maleic anhydride and hydroxy-ethyl acrylate is 1:1:1, ammonium persulfate and hydrogen peroxide with
Monomer weight ratio is respectively 3wt% and 10wt%, and the relative molecular weight for finally obtaining the copolymer is 4500.People in the art
Member carries out above-mentioned manufacturing process certain adjustment according to conventional technical means, prepares the maleic anhydride-with same performance
Acrylamide and acrylic acid hydroxyl ethyl ester copolymer, also should be within protection scope of the present invention.
Embodiment 1
1) maleic anhydride/acrylamide/hydroxyethylacrylate copolymer is accounted for according to each component
25%, anthocyanidin 6%, tea polyphenols 5%, cerous sulfate 7%, calcium nitrate 6%, manganese sulfate 3%, copper sulphate 3%, ferric sulfate 4%, work
Property charcoal 15%, remaining for modified alta-mud after mixing, transfer them in reaction kettle, be passed through high pure nitrogen thereto so that
Oxygen content in reaction kettle is reduced to 0.3% or less.
2) reaction kettle is heated to 220 DEG C, reacts 4h；
3) reaction kettle is cooled to room temperature, takes out material, you can obtain briquette binder；
Briquette binder product is measured according to GB/T5447-1997 using caking index analyzer, product glues
Knot index can reach 97.The briquette binder stirs 2-4min with coal dust simultaneously, while it is subsequent to add suitable water thereto
Continue and stirs 30~60s, it is i.e. plastic after equipment squeezes.
Embodiment 2
1) maleic anhydride/acrylamide/hydroxyethylacrylate copolymer is accounted for according to each component
20%, anthocyanidin 12%, tea polyphenols 2%, cerous sulfate 4%, calcium nitrate 9%, manganese sulfate 6%, copper sulphate 2%, ferric sulfate 6%,
Activated carbon 10%, remaining for modified alta-mud after mixing, transfer them in reaction kettle, be passed through thereto high pure nitrogen with
The oxygen content in reaction kettle is set to be reduced to 0.3% or less.
2) reaction kettle is heated to 220 DEG C, reacts 4h；
3) reaction kettle is cooled to room temperature, takes out material, you can obtain briquette binder；
Briquette binder product is measured according to GB/T5447-1997 using caking index analyzer, product glues
Knot index can reach 93.The briquette binder stirs 2-4min with coal dust simultaneously, while it is subsequent to add suitable water thereto
Continue and stirs 30~60s, it is i.e. plastic after equipment squeezes.
Embodiment 3
1) maleic anhydride/acrylamide/hydroxyethylacrylate copolymer is accounted for according to each component
23%, anthocyanidin 10%, tea polyphenols 4%, cerous sulfate 5.5%, calcium nitrate 7.5%, manganese sulfate 4.5%, copper sulphate 3%, sulfuric acid
Iron 5%, activated carbon 12.5%, remaining after mixing, transfers them in reaction kettle for modified alta-mud, is passed through height thereto
Pure nitrogen gas is so that the oxygen content in reaction kettle is reduced to 0.3% or less.
2) reaction kettle is heated to 220 DEG C, reacts 4h；
3) reaction kettle is cooled to room temperature, takes out material, you can obtain briquette binder；
Briquette binder product is measured according to GB/T5447-1997 using caking index analyzer, product glues
Knot index can reach 95.The briquette binder stirs 2-4min with coal dust simultaneously, while it is subsequent to add suitable water thereto
Continue and stirs 30~60s, it is i.e. plastic after equipment squeezes.
Claims (4)
1. a kind of composite coal binder, which is characterized in that include the component of following parts by weight：
Maleic anhydride/20~25 parts of acrylamide/hydroxyethylacrylate copolymer；
6~12 parts of anthocyanidin；
2~5 parts of tea polyphenols；
4~7 parts of cerous sulfate；
6~9 parts of calcium nitrate；
3~6 parts of manganese sulfate；
2~3 parts of copper sulphate；
4~6 parts of ferric sulfate；
10~15 parts of activated carbon；
12~43 parts of modified alta-mud；
The modified alta-mud is bentonite, is heated to obtain after the mixing of silane coupling agent, oleic acid.
2. a kind of composite coal binder as described in claim 1, which is characterized in that the maleic anhydride-acrylamide-the third
Olefin(e) acid hydroxyl ethyl ester copolymer is to use acrylamide, maleic anhydride and hydroxy-ethyl acrylate for raw material, with ammonium persulfate and 30wt%
Hydrogen peroxide be initiator in reaction temperature be that 60 DEG C of processing 12h are obtained, wherein acrylamide, maleic anhydride and acrylic acid hydroxyl second
The molar ratio of ester is 1:1:1, ammonium persulfate and hydrogen peroxide and monomer weight ratio are respectively 3wt% and 10wt%, are finally somebody's turn to do
The relative molecular weight of copolymer is 4500.
3. a kind of composite coal binder as described in claim 1, which is characterized in that the modified alta-mud be bentonite,
Silane coupling agent, oleic acid are according to weight ratio 100:1.5:After 2.0 mix at normal temperatures, processing 60min is obtained under the conditions of 80 DEG C.
4. a kind of preparation method of composite coal binder as described in claim 1, which is characterized in that include the following steps：
Step 1) by bentonite, silane coupling agent, oleic acid according to weight ratio 100:1.5:After 2.0 mix at normal temperatures, at 80 DEG C
Under the conditions of handle 60min, obtain modified alta-mud；
Step 2) it is weighed by following parts by weight and mixes each component：
Maleic anhydride/20~25 parts of acrylamide/hydroxyethylacrylate copolymer, 6~12 parts of anthocyanidin, 2~5 parts of tea polyphenols,
4~7 parts of cerous sulfate, 6~9 parts of calcium nitrate, 3~6 parts of manganese sulfate, 2~3 parts of copper sulphate, 4~6 parts of ferric sulfate, activated carbon 10~15
Part, 12~43 parts of modified alta-mud；
Step 3) after mixing, it transfers them in reaction kettle, is passed through high pure nitrogen thereto so that oxygen in reaction kettle
Content is reduced to 0.3% or less；
Step 4) reaction kettle is heated to 220~250 DEG C, react 1~4h；
Step 5) reaction kettle is cooled to room temperature, take out material, you can obtain briquette binder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810122181.3A CN108300531B (en) | 2018-02-07 | 2018-02-07 | Composite briquette adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810122181.3A CN108300531B (en) | 2018-02-07 | 2018-02-07 | Composite briquette adhesive and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108300531A true CN108300531A (en) | 2018-07-20 |
| CN108300531B CN108300531B (en) | 2020-05-19 |
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| CN201810122181.3A Active CN108300531B (en) | 2018-02-07 | 2018-02-07 | Composite briquette adhesive and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049666A (en) * | 2019-05-08 | 2019-07-23 | 义乌韦陀环保科技有限公司 | A kind of microwave thermal transition material, carrier and preparation method thereof |
| CN112812714A (en) * | 2021-02-06 | 2021-05-18 | 惠州东铭新能源研究院有限公司 | Fireproof flame-retardant buffer aerogel product capable of absorbing stress and manufacturing method thereof |
| CN117431015A (en) * | 2023-10-20 | 2024-01-23 | 木林森活性炭江苏有限公司 | Adhesive for preparing biomass activated carbon and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101445756A (en) * | 2008-11-21 | 2009-06-03 | 杨兴平 | Method for producing moulded coal by oil-rich coal with low-ash low-sulfur low-phosphor and high-heat productivity |
| CN101696364A (en) * | 2009-10-21 | 2010-04-21 | 天津大学 | Metallurgical lump coke bonding agent manufactured by using coke powder and preparation method thereof |
| KR101709204B1 (en) * | 2015-08-12 | 2017-02-22 | 주식회사 포스코 | Method for manufacturing coal briquettes and dryer |
-
2018
- 2018-02-07 CN CN201810122181.3A patent/CN108300531B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101445756A (en) * | 2008-11-21 | 2009-06-03 | 杨兴平 | Method for producing moulded coal by oil-rich coal with low-ash low-sulfur low-phosphor and high-heat productivity |
| CN101696364A (en) * | 2009-10-21 | 2010-04-21 | 天津大学 | Metallurgical lump coke bonding agent manufactured by using coke powder and preparation method thereof |
| KR101709204B1 (en) * | 2015-08-12 | 2017-02-22 | 주식회사 포스코 | Method for manufacturing coal briquettes and dryer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049666A (en) * | 2019-05-08 | 2019-07-23 | 义乌韦陀环保科技有限公司 | A kind of microwave thermal transition material, carrier and preparation method thereof |
| CN112812714A (en) * | 2021-02-06 | 2021-05-18 | 惠州东铭新能源研究院有限公司 | Fireproof flame-retardant buffer aerogel product capable of absorbing stress and manufacturing method thereof |
| CN117431015A (en) * | 2023-10-20 | 2024-01-23 | 木林森活性炭江苏有限公司 | Adhesive for preparing biomass activated carbon and preparation method thereof |
| CN117431015B (en) * | 2023-10-20 | 2024-04-09 | 木林森活性炭江苏有限公司 | Adhesive for preparing biomass activated carbon and preparation method thereof |
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| CN108300531B (en) | 2020-05-19 |
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Effective date of registration: 20221208 Address after: No. 17, 13/F, Unit 1, Building B, Building 10, Zhongjiao Jiangjinwan, No. 29, Honggang Second Street, Qingshan District, Wuhan, Hubei 430,080 Patentee after: Wuhan Hongyu Kaixuan Science and Trade Co.,Ltd. Address before: 350118 Xueyuan Road, Fuzhou City, Fujian Province, No. 3 Patentee before: FUJIAN University OF TECHNOLOGY |