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Gasification of fuel in a slagging gasifier

Inactive Publication Date: 2008-05-15
C166 DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Volatiles are released and char is produced, resulting in up to 70% weight loss for coal.

Method used

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  • Gasification of fuel in a slagging gasifier
  • Gasification of fuel in a slagging gasifier

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Embodiment Construction

[0013]An embodiment of the present invention is described herein. Those of ordinary skill in the art will realize that the following detailed description of the present embodiment is illustrative only and is not intended to be in any way limiting. Other embodiments of the present invention will readily suggest themselves to such skilled persons having the benefit of this disclosure. Reference will now be made in detail to an implementation of the present invention as illustrated in the accompanying drawings. The same reference indicators will be used throughout the drawings and the following detailed description to refer to the same or like parts.

[0014]In the interest of clarity, not all of the routine features of the implementations described herein are shown and described. It will, of course, be appreciated that in the development of any such actual implementation, numerous implementation-specific decisions must be made in order to achieve the developer's specific goals, such as c...

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Abstract

A process for gasification of carbon-containing fuel is taught. The process includes heating carbon-containing fuel in a container, introducing air into the container in controlled quantifies to maintain substoichiometric conditions; removing syngas from the container and, removing slag from the container.

Description

FIELD OF THE INVENTION[0001]The present invention relates to a gasifiers, including single-stage, entrained flow, slagging type coal gasifiers and a method for operation thereof.BACKGROUND OF THE INVENTION[0002]Generally speaking, gasification is a process that converts carbonaceous materials, such as coal, petroleum, petroleum coke or biomass, into fuel gas, or synfuel, which is predominantly carbon monoxide and hydrogen. The synfuel is suitable for firing steam generators and similar devices or gas turbines. In a gasifier a variety of complex chemical reactions occur, but essentially, the carbonaceous material undergoes three processes, pyrolysis, combustion and gasification.[0003]The pyrolysis (or devolatilization) process occurs as the carbonaceous particle heats up. Volatiles are released and char is produced, resulting in up to 70% weight loss for coal. The process is dependent on the properties of the carbonaceous material and determines the structure and composition of the c...

Claims

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Application Information

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IPC IPC(8): C10J3/48C10J3/46
CPCC10J3/466C10J3/485C10J3/506C10J3/723C10J2200/15C10J3/526C10J2300/093C10J2300/0933C10J2300/0956C10J2300/0973C10J2300/0983C10J2300/0916Y02P20/145
Inventor ZAWADZKI, EDWARDBRITTON, WILLIAMLIGON, HERBERTMURRELL, FREDERICK J.SIMMONS, JOHN
Owner C166 DEV
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