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High-efficient combustion furnace with self-steam-supplying combustion-supporting function

A combustion furnace and steam technology, applied in the field of combustion furnace, can solve the problems of unclean use of combustion furnace, scattered coal ash, unhealthy working environment, etc., and achieve the effect of reducing fly ash

Inactive Publication Date: 2012-02-01
肖建选
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For combustion furnaces, including small hot blast furnaces, the thermal efficiency is not high, mainly due to chemical incomplete combustion and mechanical incomplete combustion, thereby emitting a large amount of CO and dense smoke; in addition, non-automatic grate combustion furnaces also have the problem of unclean use, Coal ash is scattered during operation and cleaning, which is not good for the working environment, especially the health of firemen

Method used

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  • High-efficient combustion furnace with self-steam-supplying combustion-supporting function
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  • High-efficient combustion furnace with self-steam-supplying combustion-supporting function

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Embodiment Construction

[0017] As shown in the figure, the present invention mainly comprises body of heater 1 and pool 2, wherein:

[0018] The furnace body 1 includes a fire grate 3, a smoke exhaust hole 4 at the rear and a furnace door 6 at the front; a slag cleaning water inlet 5 is provided at the front of the pool 2; the fire grate 3 is 50mm higher than the ground.

[0019] The smoke exhaust hole 4 transfers the heat energy generated by the combustion in the furnace body 1 to other equipment; the furnace door 6 adds coal or removes slag;

[0020] The slag-cleaning water inlet 5 is mainly to clean up the burnt slag. Since the outside world can communicate with the inside of the body of furnace 1 through the slag-cleaning water inlet 5, the slag-cleaning water inlet 5 also provides part of the combustion air at the same time. It is preheated to about 100°C. In addition, the air intake can also be controlled by adjusting the size of the slag-cleaning water inlet 5 to ensure optimal operating effi...

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Abstract

The invention relates to a high-efficient combustion furnace with a steam-self-supplying combustion-supporting function, which comprises two main parts of a furnace body and a water tank, wherein the pitch between a grate and the water level in the water tank is 10-500mm, the burned-out coal slags or other solid substances fall into the water tank from the grate, a part of the water contacted with the slags can be immediately heated by the high-temperature slags to be boiled, the produced steam can rise into the combustion furnace, then enters a hearth by a very short travel, and then reacts with coal to produce coal gas, and the water has the combustion-supporting function. In addition, in the structure, the fly ash can be furthest reduced, so that a small combustion furnace can achieve the effect of clean operation with low cost.

Description

technical field [0001] The invention relates to a combustion furnace, in particular to a high-efficiency water-supporting independent combustion furnace used in a coal-fired hot air system. Background technique [0002] For some split-type hot blast stoves, the combustion furnace is separated from the heat exchanger. For combustion furnaces, including small hot blast stoves, the thermal efficiency is not high, mainly due to chemical incomplete combustion and mechanical incomplete combustion, thereby emitting a large amount of CO and dense smoke; in addition, non-automatic grate combustion furnaces also have the problem of unclean use, Coal ash is scattered during operation and cleaning, which is unfavorable to the working environment, especially the health of the fireman. [0003] There are quite a few "water fired" burners on the market that generate steam by using the heat available to the stove, rather than the heat that is unavailable to the burner. Contents of the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23B60/00F23L7/00F22B1/04
Inventor 肖建选肖午政
Owner 肖建选
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