CN112852517A - Efficient and environment-friendly coal-saving combustion improver - Google Patents
Efficient and environment-friendly coal-saving combustion improver Download PDFInfo
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- CN112852517A CN112852517A CN201911098464.XA CN201911098464A CN112852517A CN 112852517 A CN112852517 A CN 112852517A CN 201911098464 A CN201911098464 A CN 201911098464A CN 112852517 A CN112852517 A CN 112852517A
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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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- 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
- C10L9/12—Oxidation means, e.g. oxygen-generating compounds
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- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention provides a high-efficiency environment-friendly coal-saving combustion improver, which comprises the following raw materials in parts by weight: 8-18 parts of combustion improver, 8-18 parts of oxygen supply agent, 5-17 parts of catalyst, 1.2-3.4 parts of penetrating agent, 0.8-2.6 parts of dispersing agent, 1.8-4.5 parts of cleaning agent and 1.2-4.4 parts of sulfur fixing agent; the raw materials are placed in a stirrer to be mixed and stirred, the uniformly mixed mixture is ground by a grinder and is ground into powder to obtain the coal-fired and coal-saving combustion improver. The invention is prepared by proportioning a plurality of raw materials, and has obvious coal saving effect. Through the actions of puffing, oxidizing, exchanging among gasified metal ions and the like, macromolecular compounds in coal are fully cracked and combusted, energy is fully released, a combustion surface is covered by sublimation of a sandwich compound, the sulfur content in flue gas is greatly reduced, the Ringelmann blackness level is reduced, coal is effectively saved, and pollution is reduced.
Description
Technical Field
The invention belongs to the technical field of coal additives, and particularly relates to a high-efficiency environment-friendly coal-saving combustion improver for coal.
Background
Coal is a combustible black or brownish black sedimentary rock that normally occurs in rock formations or veins known as coal beds or beds because of subsequent exposure to elevated temperatures and pressures, harder forms of coal can be considered metamorphic rocks such as anthracite, coal being composed primarily of carbon, along with varying amounts of other elements, primarily hydrogen, sulfur, oxygen and nitrogen, with rapid social development, making coal mines the starting material for development, but with the current coals being used for a long period of time, coal mine resources are greatly diminished and coal combustion efficiency is low, making coal utilization low and wasting resources immensely. Therefore, reducing coal consumption and carbon emission is a very important energy-saving and environmental-friendly subject facing all people.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a high-efficiency environment-friendly coal-saving combustion improver.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an efficient and environment-friendly coal-saving combustion improver for coal combustion comprises the following raw materials in parts by weight: 8-18 parts of combustion improver, 8-18 parts of oxygen supply agent, 5-17 parts of catalyst, 1.2-3.4 parts of penetrating agent, 0.8-2.6 parts of dispersing agent, 1.8-4.5 parts of cleaning agent and 1.2-4.4 parts of sulfur fixing agent; the raw materials are placed in a stirrer to be mixed and stirred, the uniformly mixed mixture is ground by a grinder and is ground into powder to obtain the coal-fired and coal-saving combustion improver.
Furthermore, the combustion improver adopts one or more of ammonium persulfate, citric acid and ammonium acetate.
Further, the oxygen supply agent adopts metal nitrates. Preferably, one or more of sodium nitrate, potassium nitrate, cerium nitrate, and barium nitrate are used.
Further, the catalyst adopts one or more of calcium carbonate, aluminum oxide and manganese dioxide.
Further, the penetrant is alkyl phosphate.
Further, the dispersing agent adopts one or more of polyethylene glycol, polyoxyethylene ether and polyvinyl amide.
Furthermore, the cleaning agent adopts cyclopentadiene, polyoxyethylene or aromatic compound.
Furthermore, the sulfur fixing agent adopts epoxy resin or calcium magnesium acetate.
The usage amount of the coal-saving combustion improver for coal burning accounts for 0.5-1.5% of the mass of the raw coal.
The use method of the coal-saving combustion improver in the form of solid powder comprises the following steps:
(1) when the content of the raw coal exceeds 12%, the combustion improver is directly blended in the raw coal;
(2) when the content of the raw coal is less than 10 percent, after the combustion improver is blended in the raw coal, a small amount of water is sprayed on the coal pile.
The use method of the coal-saving combustion improver in the form of aqueous solution comprises the following steps:
(1) the water dissolving amount of the coal-saving combustion improver for coal burning is determined according to that the total water amount of coal entering a furnace is not more than 10-12 percent, and the coal-saving combustion improver for coal burning comprises the following components in percentage by weight: the proportion of water is 1: 5-10;
(2) when preparing the solution, firstly adding water, and then adding the combustion improver while stirring;
(3) when spraying or sprinkling, the coal layer is slightly stirred for uniformity.
Has the advantages that: the invention is prepared by proportioning a plurality of raw materials, and has obvious coal saving effect. Through the actions of puffing, oxidizing, exchanging among gasified metal ions and the like, macromolecular compounds in coal are fully cracked and combusted, energy is fully released, a combustion surface is covered by sublimation of a sandwich compound, the sulfur content in flue gas is greatly reduced, the Ringelmann blackness level is reduced, coal is effectively saved, and pollution is reduced.
Detailed Description
The invention is illustrated below with reference to specific examples. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention in any way.
Example 1
An efficient and environment-friendly coal-saving combustion improver for coal combustion comprises the following raw materials in parts by weight: 13 parts of combustion improver, 13 parts of oxygen supply agent, 11 parts of catalyst, 2.3 parts of penetrating agent, 1.7 parts of dispersing agent, 2.2 parts of cleaning agent and 2.8 parts of sulfur fixing agent; the raw materials are placed in a stirrer to be mixed and stirred, the uniformly mixed mixture is ground by a grinder and is ground into powder to obtain the coal-fired and coal-saving combustion improver. Wherein the combustion improver adopts ammonium persulfate, citric acid and ammonium acetate in a ratio of 1:1: 1; the oxygen supply agent adopts 6:1 sodium nitrate and cerium nitrate; the catalyst adopts 1:1 of aluminum oxide and manganese dioxide; the penetrant is alkyl phosphate; the dispersing agent adopts polyoxyethylene ether; the cleaning agent adopts polyoxyethylene; the sulfur-fixing agent adopts calcium magnesium acetate.
Wherein, the usage amount of the solid powder of the coal-saving combustion improver for burning coal accounts for 1 percent of the mass of raw coal.
After the coal-fired and coal-saving combustion improver is added, the fire power of the boiler is strong and violent, and in order to fully utilize the function of vigorous fire, the rotating speed of the fire grate is required to be properly slowed down under the condition of ensuring the use; typically slowing down first gear. More oxygen is needed, the blast volume is properly adjusted, and the thickness of the coal seam is reduced by 1-3cm according to the condition.
Example 2
An efficient and environment-friendly coal-saving combustion improver for coal combustion comprises the following raw materials in parts by weight: 18 parts of combustion improver, 8 parts of oxygen supply agent, 17 parts of catalyst, 1.2 parts of penetrating agent, 2.6 parts of dispersing agent, 1.8 parts of cleaning agent and 4.4 parts of sulfur fixing agent; the raw materials are placed in a stirrer to be mixed and stirred, the uniformly mixed mixture is ground by a grinder and is ground into powder to obtain the coal-fired and coal-saving combustion improver. Wherein, the combustion improver adopts 2:1 ammonium persulfate and citric acid; the oxygen supply agent adopts 1:1 potassium nitrate and barium nitrate; the catalyst adopts 2:3 calcium carbonate and manganese dioxide; the penetrant is alkyl phosphate; the dispersing agent adopts 1:3 polyoxyethylene ether and polyvinyl amide; the cleaning agent adopts cyclopentadiene; the sulfur-fixing agent is epoxy resin.
Wherein, the coal-saving combustion improver for coal burning is prepared into an aqueous solvent for use, and the coal-saving combustion improver for coal burning: the proportion of water is 1: 5-10; when the solution is prepared, water is added firstly, and then the coal-fired and coal-saving combustion improver is added while stirring; when spraying or sprinkling, the coal layer is slightly stirred for uniformity.
After the coal-fired and coal-saving combustion improver is added, the fire power of the boiler is strong and violent, and in order to fully utilize the function of vigorous fire, the rotating speed of the fire grate is required to be properly slowed down under the condition of ensuring the use; typically slowing down first gear. More oxygen is needed, the blast volume is properly adjusted, and the thickness of the coal seam is reduced by 1-3cm according to the condition.
Example 3
An efficient and environment-friendly coal-saving combustion improver for coal combustion comprises the following raw materials in parts by weight: 8 parts of combustion improver, 18 parts of oxygen supply agent, 5 parts of catalyst, 3.4 parts of penetrating agent, 0.8 part of dispersing agent, 4.5 parts of cleaning agent and 1.2 parts of sulfur fixing agent; the raw materials are placed in a stirrer to be mixed and stirred, the uniformly mixed mixture is ground by a grinder and is ground into powder to obtain the coal-fired and coal-saving combustion improver. Wherein, the combustion improver adopts per-citric acid; the oxygen supply agent adopts 2:3:1 of sodium nitrate, potassium nitrate and cerium nitrate; the catalyst adopts 2:1:1 calcium carbonate and alumina; the penetrant is alkyl phosphate; polyethylene glycol is adopted as the dispersant; the cleaning agent adopts aromatic compounds; the sulfur-fixing agent is epoxy resin.
Wherein, the usage amount of the solid powder of the coal-saving combustion improver for burning coal accounts for 1 percent of the mass of raw coal.
After the coal-fired and coal-saving combustion improver is added, the fire power of the boiler is strong and violent, and in order to fully utilize the function of vigorous fire, the rotating speed of the fire grate is required to be properly slowed down under the condition of ensuring the use; typically slowing down first gear. More oxygen is needed, the blast volume is properly adjusted, and the thickness of the coal seam is reduced by 1-3cm according to the condition.
Example 4
An efficient and environment-friendly coal-saving combustion improver for coal combustion comprises the following raw materials in parts by weight: 15 parts of combustion improver, 18 parts of oxygen supply agent, 10 parts of catalyst, 1.2 parts of penetrating agent, 0.8 part of dispersing agent, 2.4 parts of cleaning agent and 2 parts of sulfur fixing agent; the raw materials are placed in a stirrer to be mixed and stirred, the uniformly mixed mixture is ground by a grinder and is ground into powder to obtain the coal-fired and coal-saving combustion improver. Wherein, the combustion improver adopts 1:1 ammonium persulfate and ammonium acetate; the oxygen supply agent adopts barium nitrate; calcium carbonate is used as a catalyst; the penetrant is alkyl phosphate; polyethylene glycol is adopted as the dispersant; the cleaning agent adopts polyoxyethylene; the sulfur-fixing agent adopts calcium magnesium acetate.
Wherein, the coal-saving combustion improver for coal burning is prepared into an aqueous solvent for use, and the coal-saving combustion improver for coal burning: the proportion of water is 1: 5-10; when the solution is prepared, water is added firstly, and then the coal-fired and coal-saving combustion improver is added while stirring; when spraying or sprinkling, the coal layer is slightly stirred for uniformity.
After the coal-fired and coal-saving combustion improver is added, the fire power of the boiler is strong and violent, and in order to fully utilize the function of vigorous fire, the rotating speed of the fire grate is required to be properly slowed down under the condition of ensuring the use; typically slowing down first gear. More oxygen is needed, the blast volume is properly adjusted, and the thickness of the coal seam is reduced by 1-3cm according to the condition.
Experimental case
The experiment comparison is carried out by using the coal-saving combustion improver, and the experiment is divided into three groups of experiments of example 1, example 2 and a blank control group, wherein the blank control group is not added with the coal-saving combustion improver, the working conditions in one week are randomly counted, and the specific result is shown in table 1.
TABLE 1 average daily work performance in a week Table
The results show that: the coal-saving combustion improver is added, so that the heat efficiency of the boiler is obviously improved, the carbon content of the slag is reduced, the combustion time is prolonged, the heat conduction is accelerated, and the coal consumption is effectively saved.
Claims (9)
1. The high-efficiency environment-friendly coal-saving combustion improver is characterized by comprising the following raw materials in parts by weight: 8-18 parts of combustion improver, 8-18 parts of oxygen supply agent, 5-17 parts of catalyst, 1.2-3.4 parts of penetrating agent, 0.8-2.6 parts of dispersing agent, 1.8-4.5 parts of cleaning agent and 1.2-4.4 parts of sulfur fixing agent; the raw materials are placed in a stirrer to be mixed and stirred, the uniformly mixed mixture is ground by a grinder and is ground into powder to obtain the coal-fired and coal-saving combustion improver.
2. The high-efficiency environment-friendly coal-saving combustion improver as claimed in claim 1, wherein: the combustion improver adopts one or more of ammonium persulfate, citric acid and ammonium acetate.
3. The high-efficiency environment-friendly coal-saving combustion improver as claimed in claim 1, wherein: the oxygen supply agent adopts one or more of sodium nitrate, potassium nitrate, cerium nitrate and barium nitrate.
4. The high-efficiency environment-friendly coal-saving combustion improver as claimed in claim 1, wherein: the catalyst adopts one or more of calcium carbonate, aluminum oxide and manganese dioxide.
5. The high-efficiency environment-friendly coal-saving combustion improver as claimed in claim 1, wherein: the penetrant adopts alkyl phosphate.
6. The high-efficiency environment-friendly coal-saving combustion improver as claimed in claim 1, wherein: the dispersing agent is one or more of polyethylene glycol, polyoxyethylene ether and polyvinyl amide.
7. The high-efficiency environment-friendly coal-saving combustion improver as claimed in claim 1, wherein: the cleaning agent adopts cyclopentadiene, polyoxyethylene or aromatic compound.
8. The high-efficiency environment-friendly coal-saving combustion improver as claimed in claim 1, wherein: the sulfur-fixing agent adopts epoxy resin or calcium magnesium acetate.
9. The high-efficiency environment-friendly coal-saving combustion improver as claimed in claim 1, wherein: the usage amount of the coal-saving combustion improver for coal burning accounts for 0.5-1.5% of the mass of the raw coal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911098464.XA CN112852517A (en) | 2019-11-12 | 2019-11-12 | Efficient and environment-friendly coal-saving combustion improver |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911098464.XA CN112852517A (en) | 2019-11-12 | 2019-11-12 | Efficient and environment-friendly coal-saving combustion improver |
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| CN112852517A true CN112852517A (en) | 2021-05-28 |
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| CN201911098464.XA Pending CN112852517A (en) | 2019-11-12 | 2019-11-12 | Efficient and environment-friendly coal-saving combustion improver |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114479981A (en) * | 2022-03-15 | 2022-05-13 | 福建朝旭新能源科技有限公司 | Low-mixing-amount efficient coal-saving agent and preparation method thereof |
| CN114806670A (en) * | 2022-04-27 | 2022-07-29 | 北京华业中科科技发展有限公司 | Energy-saving and environment-friendly catalyst for coal combustion |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104877730A (en) * | 2015-06-16 | 2015-09-02 | 张家港市五湖新材料技术开发有限公司 | Environment-friendly coal-saving agent |
| CN104893785A (en) * | 2015-06-16 | 2015-09-09 | 张家港市五湖新材料技术开发有限公司 | Environment-friendly efficient coal saving agent |
| CN108795533A (en) * | 2017-04-28 | 2018-11-13 | 纪和春 | A kind of coal-saving agent and its preparation process |
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2019
- 2019-11-12 CN CN201911098464.XA patent/CN112852517A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104877730A (en) * | 2015-06-16 | 2015-09-02 | 张家港市五湖新材料技术开发有限公司 | Environment-friendly coal-saving agent |
| CN104893785A (en) * | 2015-06-16 | 2015-09-09 | 张家港市五湖新材料技术开发有限公司 | Environment-friendly efficient coal saving agent |
| CN108795533A (en) * | 2017-04-28 | 2018-11-13 | 纪和春 | A kind of coal-saving agent and its preparation process |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114479981A (en) * | 2022-03-15 | 2022-05-13 | 福建朝旭新能源科技有限公司 | Low-mixing-amount efficient coal-saving agent and preparation method thereof |
| CN114479981B (en) * | 2022-03-15 | 2023-08-29 | 福建朝旭新能源科技有限公司 | Low-dosage high-efficiency coal-saving agent and preparation method thereof |
| CN114806670A (en) * | 2022-04-27 | 2022-07-29 | 北京华业中科科技发展有限公司 | Energy-saving and environment-friendly catalyst for coal combustion |
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