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A solid bed coal gasifier

A coal gasification and solid state technology, which is applied in the details of the gasification device, the mechanical details of the gasification device, and the manufacture of combustible gas.

Active Publication Date: 2018-07-27
昆明市禄劝德力碳化硅制品有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, once the combustion center drifts to a position very close to the furnace wall, the furnace wall will inevitably be burned

Method used

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  • A solid bed coal gasifier
  • A solid bed coal gasifier
  • A solid bed coal gasifier

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Embodiment Construction

[0012] See figure 1 , figure 2 , image 3 , Figure 4 , a solid-bed coal gasification furnace, comprising a furnace body 1, a furnace bottom 2, and a furnace roof 3. The characteristics of the present invention are: the furnace body 1 adopts a cylindrical shape, and its inner cavity is set as a cone with a large upper part and a smaller lower part. The cone angle ɑ is 1 to 30 degrees; a funnel-shaped conical furnace bottom 2 is connected to the lower part of the furnace body 1; a conical furnace roof 3 is connected to the upper part of the furnace body 1; At least two coal pressure feeders 8; a coal distributor 7 is connected to the lower end of the central coal feeding pipe 6.

[0013] The coal pressure feeder 8 of the present invention consists of an arc pressure feed plate 18, a pressure feed rod 19 connected to the middle of the arc pressure feed plate 18, a guide sleeve 21 sleeved on the pressure feed rod 19, and a top end of the pressure feed rod 19. The tension and...

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Abstract

The invention discloses a solid state bed coal gasifier. The gasifier comprises a furnace body (1), a furnace bottom (2) and a furnace top (3) and is characterized in that the furnace body (1) is cylindrical, an inner cavity of the furnace body (1) is in a big-end-up taper shape, and the taper angle alpha is 1-30 degrees; the funneling conical furnace bottom (2) is connected to the lower portion of the furnace body (1); the conical furnace top (3) is connected to the upper portion of the furnace body (1); at least two coal pressure feeders (8) are mounted in a circle on the periphery of the furnace top (3); a coal distributor (7) is connected to the lower end of a central coal feeding pipe (6). The solid state bed coal gasifier has the advantages that on the premise that gasification efficiency is not affected, it is ensured that the gasifier has long maintenance-free service life.

Description

technical field [0001] This patented product belongs to coal chemical industry equipment technical background [0002] At present, the solid bed coal gasifiers used at home and abroad all have a common defect - the maintenance-free service life of the furnace wall is too short! According to the survey, the average maintenance-free service life is no more than 60 days, the shortest use time is 13 days, and the longest use time is no more than 90 days! The main reason for the short service life of the furnace wall is that the solid bed coal gasifier adopts oxygen-enriched or even pure oxygen combustion! The temperature of the combustion center is as high as 2600°C, and once the combustion center is close to the furnace wall, any material of the furnace wall will be burned out quickly. An effective means to prevent the furnace wall from burning out is to prevent the combustion center from being close to the furnace wall, but this cannot be done in existing solid-state bed coa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10J3/20C10J3/76
CPCC10J3/20C10J3/76C10J2200/09C10J2200/154
Inventor 胡光雄
Owner 昆明市禄劝德力碳化硅制品有限公司
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