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Gasification reactor

A gasification reactor and gasifier technology, which can be applied to the mechanical details of gasification devices, the gasification of granular/powdered fuels, and the manufacture of combustible gases, etc., and can solve problems such as damage to seals

Active Publication Date: 2013-10-02
AIR PROD & CHEM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Cumulative loading patterns can lead to premature seal failure

Method used

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  • Gasification reactor
  • Gasification reactor
  • Gasification reactor

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Embodiment Construction

[0025] figure 1 Shown is a gasification reactor 1 comprising a gasifier 2 with a cylindrical gasifier wall 3, a closed top end 4 with a central transfer opening 5 for a transfer burner 6 and narrowing to a gas discharge opening 8 The tapered lower end 7. Alternatively, or in addition, the gasification reactor may have one or more burners entering the gasifier from a lateral location. The gasifier wall 3 consists of parallel vertical coolant lines 10 interconnected so as to form an airtight structure. At the lower end of the coolant line 10 , a cooling medium is supplied via a circulation distribution line 11 . The cooling medium is discharged via a circulation header line 12 above the coolant line 10 . In this particular embodiment, the inner surface of the gasifier wall 3 is provided with a refractory lining 13 .

[0026] A cylindrical discharge channel or dip tube 15 is arranged in alignment with the discharge opening 8 . The dip tube 15 has a lower end 16 that extends ...

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Abstract

A gasification reactor (1) comprising a gasifier (2) having a tubular gastight wall (3) with a discharge channel or dip tube (15, 40, 60) at its lower end leading into a lower slag collection bath (17). The gastight wall and the slag collection bath are arranged within a pressure vessel (18, 41, 61). An annular space (20, 42, 62) between the pressure vessel and the gasifier with the discharge channel is separated in a high pressure top section (21, 44, 64) and a low pressure lower section (22, 45, 65) by a sealing arrangement (23, 43, 63) comprising a damper (25, 50, 70). The damper can for instance be a hydraulic lock (50, 70), or a lower seal (25, 66-70) at a distance below an upper seal (24, 71).

Description

technical field [0001] The invention relates to a gasification reactor comprising a gasifier in a tubular airtight wall, the lower end of which opens into a bath for collecting slag containing water, wherein the airtight wall is arranged in a pressure vessel. Background technique [0002] A gasification reactor can be used, for example, to generate synthesis gas by partial combustion of carbonaceous feedstock, such as pulverized coal, petroleum, biomass, gas or any other type of carbonaceous feedstock. Certain types of gasification reactors have only a discharge port at their lower end for discharging the syngas through the aqueous slag collection bath via a discharge pipe commonly called a dip tube. As a result of the pressure buildup in the gasifier, newly produced syngas is forced to flow down through a slag collection bath around the lower edge of the dip tube to be recollected in the annular space between the gasifier wall and the pressure vessel wall. In this way, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10J3/48C10J3/78C10J3/76
CPCC10J3/485C10J3/76C10J3/78C10J2200/09C10J3/48
Inventor P·C·卡策尔M·H·施米茨-格布
Owner AIR PROD & CHEM INC
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