Stoving-free smoke-eliminating sulfur-fixing briquet for boiler
A drying-free and smoke-elimination technology, which is applied in the field of briquette coal, can solve the problems of failing to meet environmental protection standards, large equipment investment, and high binder costs, and achieve the effects of low cost, reduced equipment investment, and easy combustion
Inactive Publication Date: 2002-10-16
王好奇
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AI Technical Summary
Problems solved by technology
The briquette produced by the existing drying process requires a large investment in equipment, a considerable amount of fuel coal is consumed during drying, and the self-pollution is serious, the heat intensity of the finished product is low, and the binder cost per ton of briquette is high. , due to the collapse of coal briquettes, the amount of dust carried in the flue gas increases
Does not meet environmental protection standards when burned
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0006] The present invention has been implemented and put into operation in Hechang Briquette Coal Plant of Liulin County. The product has been tested by Shanxi Provincial Environmental Monitoring Center and meets environmental protection standards. Its formula is as follows, the weight of bituminous coal is 100 parts, and the various parts of additives are as follows: Iron oxide 0.4 parts; magnesium oxide 5 parts; potassium sulfate 0.25 parts; sodium hydroxide 0.01 part; sodium nitrate 0.4 parts; aluminum sulfate 0.29 parts; magnesium chloride 2.5 parts; total water 12 parts.
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The stoving-free smoke-eliminating and sulfur-fixing briquet for boiler consists of bituminite as main component as well as ferric oxide, magnesium oxide, potassium sulfate, sodium hydroxide, sodium nitrate, aluminium sulfate, magnesium chloride and water. It needs no stoving and thus has less investment in equipment. It has both hot and cold strength, and high smoke-eliminating and sulfur-fixingeffect.
Description
1. Technical field: [0001] The invention belongs to a molded coal, in particular to a molded coal for a drying-free, smoke-eliminating and sulfur-fixing boiler. 2. Background technology: [0002] Existing briquette production mostly adopts organic liquid binder and coal powder to mix and form, and after forming, it is dried by special drying equipment to make briquette products. The briquette produced by the existing drying process requires a large investment in equipment, a considerable amount of fuel coal is consumed during drying, and the self-pollution is serious, the heat intensity of the finished product is low, and the binder cost per ton of briquette is high. , due to the collapse of the briquette, the amount of dust carried in the flue gas increases. It does not meet environmental protection standards when burned. 3. Contents of the invention: [0003] The technical problem solved by the invention is to provide a drying-free, smoke-eliminating and sulfur-fixing ...
Claims
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IPC IPC(8): C10L5/04
Inventor 王好奇冯彦生侯耀华王海堂贾志力
Owner 王好奇