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Coal gasification boiler by reverse coal combustion

A hot water boiler and coal gasification technology, applied in the combustion chamber, combustion method, combustion equipment and other directions, can solve the problems of insufficient working water flow, insufficient heat recovery, and high impurity content, so as to reduce heat loss and chemical pollution. The effect of combustion heat loss, overall appearance of the boiler, and low pollutant discharge

Inactive Publication Date: 2009-03-11
QINHUANGDAO JIEMEI BOILERS MFG
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Problems solved by technology

[0002] There are some disadvantages in the existing conventional reverse combustion boilers, for example: the furnace has a large appearance, the flow of working medium water is not long enough, the heat recovery is not sufficient, its thermal efficiency is about 80%, and the impurity content in the flue gas is high, so there are It is necessary to provide a new type of coal-fired hot water boiler

Method used

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  • Coal gasification boiler by reverse coal combustion
  • Coal gasification boiler by reverse coal combustion
  • Coal gasification boiler by reverse coal combustion

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Embodiment Construction

[0033] As shown in Figure 1, Figure 2, Figure 3a, and Figure 3b, the boiler includes: pot shell 1, furnace gall 2, coal feeding door (with micro positive pressure visible sealing furnace door) 3, fire control door (with micro positive pressure Pressure visible sealed furnace door) 4, fire grate 5, ash removal door (with slight positive pressure visible sealed furnace door) 6, lower flue gas diversion chamber (with a partition in the middle) 7, furnace and lower flue gas diversion chamber connecting flue 8, double-stroke flue pipe 9 of "∏" type process, partition 10 between the first water chamber and the second water chamber, partition 11 between the first and second water chambers and the furnace gall water chamber, upper The flue gas steering chamber 12 and 35 are the first water chamber smoke tube bundle, 36 is the second water chamber smoke tube bundle, the wet desulfurization dust collector 14, the buried pipe waste heat recovery device 13, and the buried pipe waste heat r...

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Abstract

The invention discloses a novel gasification counter-heating water boiler, which comprises a boiler shell, a boiler furnace, a fire grate, a coal door, a poke door, an ash door, a smoke channel, a chimney and an automatic control device, and is characterized in that: the coal door, the poke door and the ash door are all visible sealed furnace doors with micro positive pressure, and the novel gasification counter-heating water boiler further comprises a circumferential multipoint air distributing device, a wet desulfurizing dust remover of a built-in pipe burying afterheat recycling device, and a smoke gas afterheat recycling air heater. The novel gasification counter-heating water boiler has the advantages of less equipment investment, low running cost, automated operation, 85 percent of the boiler thermal efficiency, low pollutant discharge and boiler modularization, and can be widely used in places needing small-scale heat supply such as residential houses, bath centers, factories, hotels, government agencies and the like.

Description

technical field [0001] The invention relates to a novel coal gasification reverse combustion boiler, in particular to a coal gasification reverse combustion hot water boiler. Background technique [0002] There are some disadvantages in the existing conventional reverse combustion boilers, for example: the furnace has a large appearance, the flow of working medium water is not long enough, the heat recovery is not sufficient, its thermal efficiency is about 80%, and the impurity content in the flue gas is high, so there are It is necessary to provide a novel coal-fired hot water boiler. Contents of the invention [0003] The purpose of the present invention is to provide a new type of coal gasification reverse combustion hot water boiler, the boiler is clean, high thermal efficiency, easy to operate, safe and reliable, less equipment investment, low operating costs. [0004] In order to achieve the above object, the present invention adopts the following technical solutio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23M7/00F23J15/02F23L15/00F23L1/00
CPCY02E20/34
Inventor 洪启智刘满富李占一刘建文钟晓晨
Owner QINHUANGDAO JIEMEI BOILERS MFG
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