CN1064501A - Coal-fired detergent - Google Patents

Coal-fired detergent Download PDF

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Publication number
CN1064501A
CN1064501A CN 91108658 CN91108658A CN1064501A CN 1064501 A CN1064501 A CN 1064501A CN 91108658 CN91108658 CN 91108658 CN 91108658 A CN91108658 A CN 91108658A CN 1064501 A CN1064501 A CN 1064501A
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CN
China
Prior art keywords
coal
agent
undesirable
reducing smoke
coal burning
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.)
Granted
Application number
CN 91108658
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Chinese (zh)
Other versions
CN1027380C (en
Inventor
尹良荣
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.)
COAL COMPREHENSIVE UTILIZATION INST E-XI TUJIA AND MIAO AUTONOMOUS PREFECTURE
Original Assignee
COAL COMPREHENSIVE UTILIZATION INST E-XI TUJIA AND MIAO AUTONOMOUS PREFECTURE
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.)
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Publication date
Application filed by COAL COMPREHENSIVE UTILIZATION INST E-XI TUJIA AND MIAO AUTONOMOUS PREFECTURE filed Critical COAL COMPREHENSIVE UTILIZATION INST E-XI TUJIA AND MIAO AUTONOMOUS PREFECTURE
Priority to CN 91108658 priority Critical patent/CN1027380C/en
Publication of CN1064501A publication Critical patent/CN1064501A/en
Application granted granted Critical
Publication of CN1027380C publication Critical patent/CN1027380C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention relates to a coal detergent, which is prepared by adding chemical additives into compounds to synthesize a reagent capable of removing harmful substances in coal, wherein the molecular sieve containing metal elements belongs to magnesium, calcium, silicon and aluminum type molecular sieves, the finished product is in the shape of fine particles, when in use, the coal detergent can be used as an additive to treat raw coal or a dip-coating agent to treat molded coal, and the coal material treated by the coal detergent is naturally kept still for 24 hours under a dry condition for use. The use temperature is within 950 ℃. The invention has the advantages of easily obtained raw materials, simple processing, convenient use and low price, the materials are treated at normal temperature, the discharge of harmful substances in the fire coal can be effectively reduced, and the purification rate reaches 90 percent.

Description

Coal burning agent for reducing smoke or undesirable
The present invention relates to the purification techniques of objectionable impurities in a kind of fire coal, particularly a kind of coal burning agent for reducing smoke or undesirable.
At present, purification techniques development about objectionable impurities in the fire coal is very fast, especially aspect industrial furnace, use some refining plants, use some purifying methods to obtain very big progress, as in fire coal, adding compound oxidation magnesium (being commonly called as rhombspar), the widespread use of the certain methods of clay and citrate of lime, but these are to the sulfide in the fire coal, the tangible method of nitride decontamination effect improving, no matter be to adopt device also to be to use reagent, its comprehensive purifying effect is still unsatisfactory, because objectionable impurities just is discharged into outside the Working environment, still remain in the air, its influence still exists.And the facility investment of using is big, and reagent expense height is not easy to apply on a large scale, particularly applying aspect civil.
The objective of the invention is,, propose a kind of coal burning agent for reducing smoke or undesirable at above-mentioned the deficiencies in the prior art.
Technical solution of the present invention is, add the synthetic reagent that can remove objectionable impurities sulphur, nitrogen, cyanogen, fluorine cpd and carbon monoxide of chemical assistant by compound, it is characterized in that, this reagent is the sticking agent that contains the metallic element molecular sieve, by multiple natural inorganic mineral and organic acid is compound makes, perhaps add acid or the making of bases chemical assistant by compound, its finished product is a fine particulate.Using method of the present invention is to handle coal-fired material at normal temperature condition, make additive, per kilogram additive and the fusion of 100-120 kilogram raw coal, do the dip-coating agent, the dip-coating agent that the hot water of per kilogram raw material and 5 kilograms 〉=70 ℃ is modulated thick pulpous state, dip-coating 80-100 kilogram moulded coal, the entire treatment process is carried out under normal temperature condition, coal-fired material after treatment leaves standstill naturally under drying conditions after 24 hours and to use, in 950 ℃ of the use temperatures.The present invention is applicable to the coal-fired material of sulfur-bearing≤3%.The invention belongs to a kind of magnesium, calcium, silicon, aluminium type molecular sieve.According to coal gas, solid phase physical and chemical principle, make the molecular adsorption in the molecular sieve of the metallic element that the gas molecule particulate of the objectionable impurities that discharges in the fire coal can contain with the present invention under the different temperature difference, conversion is gas phase, solid state reaction generates unhydrolyzed binary compound, get rid of with the waste residue behind the fired coal combustion, reduced emission of harmful substances amounts such as sulphur, cyanogen, fluorine, nitrogen compound and carbon monoxide effectively, reduced it for the erosion of human body and the pollution that causes to environment.
The invention has the advantages that, constitute raw material of the present invention and be easy to get that processing is simple, easy to use, cheap, handling coal-fired material is to carry out at normal temperatures.Both can handle with coal, can handle with coal commercial coal stove again Industrial Boiler, remove with the set fire coal in objectionable impurities, decontamination and deodorant staticizes efficient up to 90%.Processing of the present invention and application process are all pollution-free, and its comprehensive benefit is better than, and known " single alkali " reaches " two alkali ".It is good to burn slag forming through the fire coal after the present invention's processing, the hardness height, its set material forms integument (being responding layer) with the burning slag, not only purified environment but also improved coal-fired heat utilization efficiency, effect is fairly obvious, also for comprehensive regulation environmental pollution with eliminate objectionable impurities in the fire coal and provide a kind of effective few product and method of spending to the erosion of human body.
Now, embodiments of the invention are described:
Preparing quick lime, two kinds of compounds of calcium oxide with unslaked lime weight ratio 1%, they are mixed, levigate to 200 orders, as carrier, in carrier, add chemical assistant, wherein add the aluminium sesquioxide of vehicle weight 1%, 1.5% sodium silicoaluminate, 0.5% ferric oxide, 1% magnesiumcarbonate, 1% ethanol, 0.4% citric acid, 0.2% second two ammoniums, 1% acetic acid, even with carrier mix in mixing machine, duration of mixing 2 hours, the roasting 2 hours under 350 ℃ of temperature condition of material evenly, make the sticking agent that contains the metallic element molecular sieve, get 40 order screen underflows through screening and use as finished product.Using method of the present invention is, make additive, per kilogram reagent can be handled 100-120 kilogram raw coal, does the dip-coating agent, per kilogram reagent becomes the dip-coating agent of thick pulpous state with 5 kilograms 〉=70 ℃ hot water hybrid modulation, can dip-coating processing 80-100 kilogram moulded coal (for example honeycomb briquette).Using the present invention to handle coal-fired entire treatment process carries out at normal temperatures.The present invention is applicable to the fire coal of sulfur-bearing≤3% scope.Coal-fired material after the present invention handles needs leave standstill naturally under the drying conditions to re-use after (promptly 1 round the clock) in 24 hours, in 950 ℃ of the use temperatures.
Use magnesian lime, ground dolomite and magnesium cement to do carrier, interpolation chemical assistant salt, caustic soda or interpolation soda ash, vinegar are made the coal burning agent for reducing smoke or undesirable of the molecular sieve that contains metallic element also can use the method processing treatment fire coal that the present invention proposes, and its effect is fine.

Claims (5)

1, coal burning agent for reducing smoke or undesirable, add the synthetic reagent that can remove objectionable impurities sulphur, nitrogen, cyanogen, fluorine cpd and carbon monoxide of chemical assistant by compound, it is characterized in that, this reagent is the sticking agent that contains the metallic element molecular sieve, by multiple natural inorganic mineral with organic acid is compound makes, perhaps add acid or the making of bases chemical assistant by compound, its finished product is a fine particulate.
2, coal burning agent for reducing smoke or undesirable according to claim 1, it is characterized in that, by multiple natural inorganic mineral and the compounded sticking agent that contains the metallic element molecular sieve of organic acid is to mix by unslaked lime with by the calcium chloride of unslaked lime weight 1%, levigate to 200 orders, as carrier, add vehicle weight than 1% aluminium sesquioxide, 1.5% sodium silicoaluminate, 0.5% ferric oxide, 1% magnesiumcarbonate, 1% ethanol, 0.4% citric acid, 0.2% second two ammoniums, 1% acetic acid, they and carrier mix in mixing machine are even, material evenly burnt 2 hours through 350 ℃ of temperature condition bakings, got 40 order screen underflows through screening.
3, coal burning agent for reducing smoke or undesirable according to claim 1 is characterized in that, the sticking agent that contains the metallic element molecular sieve is made carrier by magnesian lime, ground dolomite, magnesium cement, adds salt and caustic soda and makes.
4, coal burning agent for reducing smoke or undesirable according to claim 1 is characterized in that, the sticking agent that contains the metallic element molecular sieve is made carrier by magnesian lime, ground dolomite, magnesium cement, and interpolation soda ash and vinegar make in carrier.
5, a kind of using method of coal burning agent for reducing smoke or undesirable according to claim 1, it is characterized in that coal burning agent for reducing smoke or undesirable as additive, with raw coal fusion, mix proportions be, per 1 kilogram of additive fusion 100-120 kilogram raw coal, as the dip-coating agent, per kilogram coal burning agent for reducing smoke or undesirable and 5 kilograms 〉=70 ℃ hot water are modulated thick pulpous state dip-coating agent, dip-coating 80-100 kilogram moulded coal, the entire treatment process is carried out under normal temperature condition, coal-fired material after treatment leaves standstill naturally under drying conditions and used later in 24 hours, in 950 ℃ of its use temperatures.
CN 91108658 1991-08-26 1991-08-26 Coal-fired detergent Expired - Fee Related CN1027380C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 91108658 CN1027380C (en) 1991-08-26 1991-08-26 Coal-fired detergent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 91108658 CN1027380C (en) 1991-08-26 1991-08-26 Coal-fired detergent

Publications (2)

Publication Number Publication Date
CN1064501A true CN1064501A (en) 1992-09-16
CN1027380C CN1027380C (en) 1995-01-11

Family

ID=4909400

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 91108658 Expired - Fee Related CN1027380C (en) 1991-08-26 1991-08-26 Coal-fired detergent

Country Status (1)

Country Link
CN (1) CN1027380C (en)

Also Published As

Publication number Publication date
CN1027380C (en) 1995-01-11

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