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Pollutionless garbage burning method of heat carrying circulation tunnel kiln

A technology of waste incineration and tunnel kiln, which is applied in the direction of combustion method, incinerator, combustion type, etc., can solve the problems of no technical advantages, failure to maintain normal combustion, etc., and achieve the effects of good economy, convenient operation, and low cost

Inactive Publication Date: 2006-03-22
欧书信
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In terms of technology, the terminal pollution control in foreign countries is curative, and it treats the symptoms but not the root cause. It has no technical advantages in low calorific value waste incineration. Under heavy encirclement, it has become a key technology to develop the complete incineration of low calorific value waste without causing secondary pollution. The wet waste with a calorific value of only a few hundred kcal / kg that cannot be maintained by the current method can become a clean fuel , everything will be easily solved: save the land occupation of the incineration plant, save equipment investment, save treatment costs, get the most heat energy, and use the slag

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  • Pollutionless garbage burning method of heat carrying circulation tunnel kiln
  • Pollutionless garbage burning method of heat carrying circulation tunnel kiln
  • Pollutionless garbage burning method of heat carrying circulation tunnel kiln

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Embodiment Construction

[0020] The embodiment of the present invention is a waste incineration system that can process 300 tons of urban domestic waste per day, with a capacity reduction of 100% and no discharge of the three wastes. Facility composition.

[0021] After the municipal solid waste to be processed is crushed to 5-20mm by the crusher, it is sent to the converter 1 for drying and pyrolysis, and the moisture content of the waste is reduced from 80% to 3%, and the dry waste is then dropped into the boiling incinerator 7 for incineration; Part of the 800°C high-temperature waste gas discharged from the incinerator 7 enters the thermal circulation tunnel kiln 12 through the flue gas circulation pipe 4, the converter 1, and the 6# fan, and the rest of the waste gas enters the thermal circulation tunnel kiln 12 through the 5# fan and the flue 5. The high-temperature roasting zone of the thermal cycle tunnel kiln 12 burns in an oxidizing atmosphere at 1050°C for 5 seconds, far exceeding the 2 sec...

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Abstract

A method for burning lift garbage without pollution includes breaking garbage, baking in rotary furnace, burning in boiling incinerator, introducing fume to thermally circulating tunnel kilm for burning it at 1050 deg.C for 5 S, and using the cinder as raw material of brick.

Description

(1) Technical field [0001] The invention is a method capable of completely incinerating high-moisture, low-calorific-value urban household garbage without secondary pollution. It involves the fields of waste incineration, utilization of three wastes and environmental protection energy technology. (2) Background technology [0002] Most of the existing municipal solid waste incinerators are developed on the basis of coal-fired boilers and industrial kilns. These incinerators can incinerate coal with high calorific value, but it is difficult to incinerate coal with high moisture content and low calorific value. garbage of urban life. At home and abroad, when actually incinerating high-moisture, low-calorific-value municipal solid waste, or sorting, self-leaching, fermenting, and stirring the waste before incineration, or adding fuel to the incinerator to improve the flammability of the waste, currently Wet garbage with a calorific value lower than 800kcal / kg and a moisture c...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23G5/00F23G5/027F23G5/033F23G5/04F23G5/14F23G5/46
CPCY02E20/12
Inventor 欧书信胡晓农舒梅男
Owner 欧书信