CN104927970A - Environment-friendly coal economizing agent for desulfuration and smoke elimination - Google Patents
Environment-friendly coal economizing agent for desulfuration and smoke elimination Download PDFInfo
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Abstract
The invention relates to the field of fire coal addictives, in particular to an environment-friendly coal economizing agent for desulfuration and smoke elimination. The coal economizing agent comprises, by mass, 2-12 parts of composite catalyst, 8-20 parts of combustion supporting agent, 40-50 parts of penetrating agent, 12-25 parts of leavening agent, 6-12 parts of cleaning agent and 5-10 parts of sulfur-fixing agent. The coal economizing agent and a manufacturing method are applicable to combustion modes of multiple coal types and multiple furnace types, the coal economizing effect on low-grade coal is more obvious, and the coal economizing agent is suitable for being applied to various coal-fired boilers and civilian boilers. The ratio of raw materials can be adjusted according to the inherent indicators of different coal types to improve the combustion effect of fire coal and achieve the maximization of energy conservation and emission reduction. The produced coal economizing agent has excellent physical and chemical properties, is sufficiently combusted, can enable the carbon content in coal cinder to be reduced by more than 30%, and is low in cost and remarkable in economic benefit. The coal is saved by 30%, the emission amount of sulfur dioxide and the like is reduced by 60%, and the non-toxic coal economizing agent is free of secondary pollution and harmless.
Description
Technical field
The present invention relates to additive for fire coal field, especially a kind of desulfurizing and smoke eliminating environment-friendly coal saving agent.
Background technology
Coal is main one of the energy and industrial chemicals of China, is apply the most general energy source raw material in modern industry, power plant, the city and outskirts area of Industrial Boiler and commercial boiler high concentration, because the means of subsistence thermo-efficiency of fire coal is low, combustion equipment can not by its coal perfect combustion of supply, the coal of burn incompletely is with sulphur, the objectionable impuritiess such as nitre are discharged along with flue dust, while black smoke and waste residue produce environmental pollution, cause the loss of energy, simultaneously because coal burning is insufficient, a large amount of black dirt can be gathered in stove, time serious, boiler spray combustion mouth is blocked, fall Jiao and be stuck in furnace hopper part, cause dust stratification, when coking is the most serious, boiler forced outage, make troubles to production and life.Meanwhile, the sulphur trioxide that coal produces sulfurous gas and small part is in combustion discharged in air, major polluting atmosphere environment.
For Efforts To Develop cleaner production, decreasing pollution thing discharges, at present, general employing installs flue gas desulfurization (FGD) unit to coal firing boiler, although install this desulfurizer to some effect of desulfurization to coal firing boiler, but need to change existing coal burning process and equipment, and sweetening effectiveness not clearly, combustion-supporting effect is not had to the burning of bunker coal yet.
Summary of the invention
The technical problem to be solved in the present invention is: overcome deficiency of the prior art, provide a kind of desulfuration efficiency high, promote coal clean-burning desulfurizing and smoke eliminating environment-friendly coal saving agent.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of desulfurizing and smoke eliminating environment-friendly coal saving agent, the mass parts of described coal-saving agent is composed as follows: composite catalyst 6-12 part, ignition dope 8-20 part, permeate agent 40-50 part, raising agent 12-25 part, purificant 6-12 part, sulphur-fixing agent 5-10 part;
The mixture of iron ore powder, papermaking wastewater and flyash selected by described composite catalyst, and its mass ratio is 1:2-5:3-6;
The mixture of potassium permanganate, potassium perchlorate and nitrate of baryta selected by described ignition dope, and its mass ratio is 1-2:1-1.2:1;
The mixture of water, methyl alcohol, ethanol and Virahol selected by described permeate agent, and its volume ratio is 4-6:1:1:1;
Described raising agent selects the mixture of industrial table salt and sodium lignosulfonate, and its mass ratio is 1:1-1.2;
Described purificant selects polyoxyethylene and water, and its mass ratio is 0.2-0.8:1;
The mixture of sodium carbonate, calcium oxide, calcium hydroxide selected by described sulphur-fixing agent; Its mass ratio is 1:1.5-2:1.2-2.4.
Further, in described composite catalyst, the mass ratio of iron ore powder, papermaking wastewater and flyash is 1:3.5:4.5.
Further, in described ignition dope, the mass ratio of potassium permanganate, potassium perchlorate and nitrate of baryta is 1.5:1.2:1.
Further, in described permeate agent, the volume ratio of water, methyl alcohol, ethanol and Virahol is 5:1:1:1.
Further, in described raising agent, the mass ratio of industrial table salt and sodium lignosulfonate is 1:1.1.
Further, in described purificant, the mass ratio of polyoxyethylene and water is 0.5:1.
Further, in described sulphur-fixing agent, the mass ratio of sodium carbonate, calcium oxide, calcium hydroxide is 1:1.6:1.8.
Further, be also added with iron(ic) chloride in described composite catalyst, the mass ratio of described iron(ic) chloride and iron ore powder is 1:4-6.
Further, the mass ratio of described iron(ic) chloride and iron ore powder is 1:5.
Further, the mass parts of described coal-saving agent is composed as follows: composite catalyst 10 parts, ignition dope 15 parts, permeate agent 45 parts, raising agent 18 parts, purificant 8 parts, sulphur-fixing agent 7 parts;
The mixture of iron ore powder, papermaking wastewater and flyash selected by described composite catalyst, and its mass ratio is 1:3.5:4.5;
The mixture of potassium permanganate, potassium perchlorate and nitrate of baryta selected by described ignition dope, and its mass ratio is 1.5:1.1:1;
The mixture of water, methyl alcohol, ethanol and Virahol selected by described permeate agent, and its volume ratio is 5:1:1:1;
Described raising agent selects the mixture of industrial table salt and sodium lignosulfonate, and its mass ratio is 1:1.1;
Described purificant selects polyoxyethylene and water, and its mass ratio is 0.5:1;
The mixture of sodium carbonate, calcium oxide, calcium hydroxide selected by described sulphur-fixing agent; Its mass ratio is 1:1.8:1.8.
The beneficial effect of technical scheme of the present invention is adopted to be:
1, the present invention is applicable to many coals, the coal-saving agent of many type of furnaces combustion system and making method, more obvious to low grade coal effect of coal saving, is applicable to the application of various coal firing boiler and civil boiler.According to the intrinsic index adjustment raw material ratio of Coal rank, fired coal combustion effect can be improved, reaches effects of energy saving and emission reduction and maximize.
2, the coal-saving agent of the present invention's production, has excellent physicochemical property, sufficient combustion, and the carbon content in cinder can be made to reduce by more than 30%, and cost is low, remarkable in economical benefits, economizes on coal more than 30%.Reduce the quantity dischargeds more than 60% such as sulfurous gas.And nontoxic, harmless, non-secondary pollution; To boiler without any corrosion, on stove inner tubal wall without incrustation, nonflammable, non-explosive, safe and reliable and cost performance is high.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
Embodiment 1
A kind of desulfurizing and smoke eliminating environment-friendly coal saving agent, the mass parts of described coal-saving agent is composed as follows: composite catalyst 6 parts, ignition dope 8 parts, permeate agent 40 parts, raising agent 12 parts, purificant 6 parts, sulphur-fixing agent 5 parts;
The mixture of iron ore powder, papermaking wastewater and flyash selected by described composite catalyst, and its mass ratio is 1:2:3;
The mixture of potassium permanganate, potassium perchlorate and nitrate of baryta selected by described ignition dope, and its mass ratio is 1:1:1;
The mixture of water, methyl alcohol, ethanol and Virahol selected by described permeate agent, and its volume ratio is 4:1:1:1;
Described raising agent selects the mixture of industrial table salt and sodium lignosulfonate, and its mass ratio is 1:1;
Described purificant selects polyoxyethylene and water, and its mass ratio is 0.2:1;
The mixture of sodium carbonate, calcium oxide, calcium hydroxide selected by described sulphur-fixing agent; Its mass ratio is 1:1.5:1.2.
Embodiment 2
A kind of desulfurizing and smoke eliminating environment-friendly coal saving agent, the mass parts of described coal-saving agent is composed as follows: composite catalyst 8 parts, ignition dope 10 parts, permeate agent 42 parts, raising agent 15 parts, purificant 8 parts, sulphur-fixing agent 7 parts;
The mixture of iron ore powder, papermaking wastewater and flyash selected by described composite catalyst, and its mass ratio is 1:2.5:3.8;
The mixture of potassium permanganate, potassium perchlorate and nitrate of baryta selected by described ignition dope, and its mass ratio is 1.2:1.1:1;
The mixture of water, methyl alcohol, ethanol and Virahol selected by described permeate agent, and its volume ratio is 4.5:1:1:1;
Described raising agent selects the mixture of industrial table salt and sodium lignosulfonate, and its mass ratio is 1:1.1;
Described purificant selects polyoxyethylene and water, and its mass ratio is 0.4:1;
The mixture of sodium carbonate, calcium oxide, calcium hydroxide selected by described sulphur-fixing agent; Its mass ratio is 1:1.6:1.5.
Preferably, be also added with iron(ic) chloride in described composite catalyst, the mass ratio of described iron(ic) chloride and iron ore powder is 1:4-6.
Preferably, the mass ratio of described iron(ic) chloride and iron ore powder is 1:5.
Embodiment 3
A kind of desulfurizing and smoke eliminating environment-friendly coal saving agent, the mass parts of described coal-saving agent is composed as follows: composite catalyst 10 parts, ignition dope 15 parts, permeate agent 45 parts, raising agent 18 parts, purificant 8 parts, sulphur-fixing agent 7 parts;
The mixture of iron ore powder, papermaking wastewater, flyash and iron(ic) chloride selected by described composite catalyst, and its mass ratio is 1:3.5:4.5:5;
The mixture of potassium permanganate, potassium perchlorate and nitrate of baryta selected by described ignition dope, and its mass ratio is 1.5:1.1:1;
The mixture of water, methyl alcohol, ethanol and Virahol selected by described permeate agent, and its volume ratio is 5:1:1:1;
Described raising agent selects the mixture of industrial table salt and sodium lignosulfonate, and its mass ratio is 1:1.1;
Described purificant selects polyoxyethylene and water, and its mass ratio is 0.5:1;
The mixture of sodium carbonate, calcium oxide, calcium hydroxide selected by described sulphur-fixing agent; Its mass ratio is 1:1.8:1.8.
Embodiment 4
A kind of desulfurizing and smoke eliminating environment-friendly coal saving agent, the mass parts of described coal-saving agent is composed as follows: composite catalyst 10 parts, ignition dope 18 parts, permeate agent 48 parts, raising agent 24 parts, purificant 10 parts, sulphur-fixing agent 8 parts;
The mixture of iron ore powder, papermaking wastewater, flyash and iron(ic) chloride selected by described composite catalyst, and its mass ratio is 1:4:5:4;
The mixture of potassium permanganate, potassium perchlorate and nitrate of baryta selected by described ignition dope, and its mass ratio is 1-2:1-1.2:1;
The mixture of water, methyl alcohol, ethanol and Virahol selected by described permeate agent, and its volume ratio is 4-6:1:1:1;
Described raising agent selects the mixture of industrial table salt and sodium lignosulfonate, and its mass ratio is 1:1-1.2;
Described purificant selects polyoxyethylene and water, and its mass ratio is 0.2-0.8:1;
The mixture of sodium carbonate, calcium oxide, calcium hydroxide selected by described sulphur-fixing agent; Its mass ratio is 1:1.5-2:1.2-2.4.
Embodiment 5
A kind of desulfurizing and smoke eliminating environment-friendly coal saving agent, the mass parts of described coal-saving agent is composed as follows: composite catalyst 12 parts, ignition dope 20 parts, permeate agent 50 parts, raising agent 25 parts, purificant 12 parts, sulphur-fixing agent 10 parts;
The mixture of iron ore powder, papermaking wastewater, flyash and iron(ic) chloride selected by described composite catalyst, and its mass ratio is 1:5:6:6;
The mixture of potassium permanganate, potassium perchlorate and nitrate of baryta selected by described ignition dope, and its mass ratio is 2:1.2:1;
The mixture of water, methyl alcohol, ethanol and Virahol selected by described permeate agent, and its volume ratio is 6:1:1:1;
Described raising agent selects the mixture of industrial table salt and sodium lignosulfonate, and its mass ratio is 1:1.2;
Described purificant selects polyoxyethylene and water, and its mass ratio is 0.8:1;
The mixture of sodium carbonate, calcium oxide, calcium hydroxide selected by described sulphur-fixing agent; Its mass ratio is 1:2:2.4.
Experiment:
The preparation technology of embodiment 1-5 is: take can mix after raw material by above-mentioned raw materials composition, be then 80-10 object powder by the raw material pulverizing mixed to granularity, finally powder put into agitator and stir, through being packaged into finished product after the assay was approved.
Coal-saving agent of the present invention is applied to certain boiler of power plant, and then through environmental monitoring station, test desulfuration efficiency of the present invention, test result is in table 1.
Table 1 is the desulfuration efficiency of coal-saving agent of the present invention
Above-mentioned experimental data shows, embodiment 3 is preferred embodiment.
The technical indicator of coal-saving agent of the present invention is:
1, SO is reduced
2quantity discharged 50% ~ 70%;
2, NOx discharge 20% ~ 43% is reduced;
3, boiler hearth temperature 100 DEG C ~ about 300 DEG C is improved;
4, improve boiler thermal output 5% ~ 12%, economize on coal 5% ~ 12%;
5, obviously funnel temperature is reduced, ash-cleaning and coke-removing more than 95%;
6, reduce dust emission concentration 40% ~ 60%, effectively reduce the concentration more than 60% of PM2.5 in air.
Although above-described embodiment describes in detail technical scheme of the present invention, but technical scheme of the present invention is not limited to above embodiment, when not departing from thought of the present invention and aim, claims limited range of the present invention all will be fallen into any change that technical scheme of the present invention is done.
Claims (10)
1. a desulfurizing and smoke eliminating environment-friendly coal saving agent, is characterized in that, the mass parts of described coal-saving agent is composed as follows: composite catalyst 6-12 part, ignition dope 8-20 part, permeate agent 40-50 part, raising agent 12-25 part, purificant 6-12 part, sulphur-fixing agent 5-10 part;
The mixture of iron ore powder, papermaking wastewater and flyash selected by described composite catalyst, and its mass ratio is 1:2-5:3-6;
The mixture of potassium permanganate, potassium perchlorate and nitrate of baryta selected by described ignition dope, and its mass ratio is 1-2:1-1.2:1;
The mixture of water, methyl alcohol, ethanol and Virahol selected by described permeate agent, and its volume ratio is 4-6:1:1:1;
Described raising agent selects the mixture of industrial table salt and sodium lignosulfonate, and its mass ratio is 1:1-1.2;
Described purificant selects polyoxyethylene and water, and its mass ratio is 0.2-0.8:1;
The mixture of sodium carbonate, calcium oxide, calcium hydroxide selected by described sulphur-fixing agent; Its mass ratio is 1:1.5-2:1.2-2.4.
2. a kind of desulfurization smoke of gunpowder environment-friendly coal saving agent according to claim 1, is characterized in that: in described composite catalyst, the mass ratio of iron ore powder, papermaking wastewater and flyash is 1:3.5:4.5.
3. a kind of desulfurization smoke of gunpowder environment-friendly coal saving agent according to claim 1, is characterized in that: in described ignition dope, the mass ratio of potassium permanganate, potassium perchlorate and nitrate of baryta is 1.5:1.2:1.
4. a kind of desulfurization smoke of gunpowder environment-friendly coal saving agent according to claim 1, is characterized in that: in described permeate agent, the volume ratio of water, methyl alcohol, ethanol and Virahol is 5:1:1:1.
5. a kind of desulfurization smoke of gunpowder environment-friendly coal saving agent according to claim 1, is characterized in that: in described raising agent, the mass ratio of industrial table salt and sodium lignosulfonate is 1:1.1.
6. a kind of desulfurization smoke of gunpowder environment-friendly coal saving agent according to claim 1, is characterized in that: in described purificant, the mass ratio of polyoxyethylene and water is 0.5:1.
7. a kind of desulfurization smoke of gunpowder environment-friendly coal saving agent according to claim 1, is characterized in that: in described sulphur-fixing agent, the mass ratio of sodium carbonate, calcium oxide, calcium hydroxide is 1:1.6:1.8.
8. a kind of desulfurization smoke of gunpowder environment-friendly coal saving agent according to claim 1, is characterized in that: be also added with iron(ic) chloride in described composite catalyst, and the mass ratio of described iron(ic) chloride and iron ore powder is 1:4-6.
9. a kind of desulfurization smoke of gunpowder environment-friendly coal saving agent according to claim 8, is characterized in that: the mass ratio of described iron(ic) chloride and iron ore powder is 1:5.
10. a kind of desulfurization smoke of gunpowder environment-friendly coal saving agent according to claim 1, is characterized in that: the mass parts of described coal-saving agent is composed as follows: composite catalyst 10 parts, ignition dope 15 parts, permeate agent 45 parts, raising agent 18 parts, purificant 8 parts, sulphur-fixing agent 7 parts;
The mixture of iron ore powder, papermaking wastewater and flyash selected by described composite catalyst, and its mass ratio is 1:3.5:4.5;
The mixture of potassium permanganate, potassium perchlorate and nitrate of baryta selected by described ignition dope, and its mass ratio is 1.5:1.1:1;
The mixture of water, methyl alcohol, ethanol and Virahol selected by described permeate agent, and its volume ratio is 5:1:1:1;
Described raising agent selects the mixture of industrial table salt and sodium lignosulfonate, and its mass ratio is 1:1.1;
Described purificant selects polyoxyethylene and water, and its mass ratio is 0.5:1;
The mixture of sodium carbonate, calcium oxide, calcium hydroxide selected by described sulphur-fixing agent; Its mass ratio is 1:1.8:1.8.
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| CN113862055A (en) * | 2021-10-26 | 2021-12-31 | 山东众森科技股份有限公司 | Modified furfural residue biomass coal-saving agent |
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| CN115074165A (en) * | 2022-06-13 | 2022-09-20 | 云浮市裕隆水泥助磨剂科技发展有限公司 | Cement kiln desulfurization coal-saving agent and preparation method thereof |
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