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Method for heating a high temperature winkler gasifier

a gasifier and high-temperature technology, applied in the field of high-temperature winkler gasifier heating, can solve the problems of gasifiers that cannot be fully heated, cannot be immediately ignited, and personnel involved in the dismounting process are exposed to a corresponding level of heat, so as to achieve the effect of simplified heating of high-temperature winkler gasifiers

Inactive Publication Date: 2015-11-12
THYSSENKRUPP IND SOLUTIONS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention provides a way to make it easier to heat a high-temperature Winkler gasifier, which is independent of its size.

Problems solved by technology

A particular disadvantage of this procedure is that the gasifier, once fully heated, cannot be immediately ignited.
Therefore, during the dismounting of the burners, which may take, for example, at least one hour, considerable heat losses are incurred.
Furthermore, the personnel involved in the dismounting process are exposed to a corresponding level of heat, such that protective equipment must be provided for the personnel.
Such a requirement however cannot be met in practice.

Method used

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  • Method for heating a high temperature winkler gasifier
  • Method for heating a high temperature winkler gasifier

Examples

Experimental program
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Embodiment Construction

[0011]With a method of the type referred to in the introduction, use is made of at least one burner which is installed in the head region of the gasifier and which acts downward into the interior of the gasifier, wherein a gas flow is generated in the reverse direction through the return conduit of the cyclone.

[0012]With this method implementation, that is to say, with the use of a burner in the gasifier head and a reversal of the flow conditions that prevail during operation in the gasifier, optimum heating of the gasifier is realized with relatively simple means, wherein the need for mounting and dismounting the burner just for the heating process is eliminated.

[0013]Refinements of the method implementation according to the invention will emerge from the following description. Here, it may be provided that the burner is operated stoichiometrically or substoichiometrically.

[0014]A further refinement consists in that, during substoichiometric operation of the burner, combustion air ...

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Abstract

A method for heating a high-temperature Winkler gasifier during the start-up of the gasifier includes the use of at least one burner for heating purposes. A gasifier head of the Winkler gasifier is assigned a cyclone with a return conduit for returning the particles separated off in the cyclone into the fluidized bed in the lower region of the gasifier, by means of which method the heating of a high-temperature Winkler gasifier is simplified and made substantially independent of the structural size of the gasifier. The at least one burner, which is installed in the head region of the gasifier and which acts downward into the interior of the gasifier, allows gas flow to be generated in the reverse direction through the return conduit of the cyclone.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is the national phase of, and claims priority to, International Patent Application No. PCT / EP2013 / 075070, filed Nov. 29, 2013, which designated the U.S. and which claims priority to German Application No. DE 102012112182.6, filed Dec. 12, 2012. These applications are each incorporated by reference herein in their entireties.Background[0002]1. Field of the Invention[0003]The invention is directed to a method for heating a high-temperature Winkler gasifier during the start-up of the gasifier with the use of at least one burner which serves for heating purposes, wherein the gasifier head is assigned a cyclone with a return conduit for returning the particles separated off in the cyclone into the fluidized bed in the lower region of the gasifier, and to a correspondingly equipped high-temperature Winkler gasifier.[0004]2. Description of the Related Art[0005]For the operation of a Winkler gasifier, the system comprising gasifi...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C10J3/56C10J3/72
CPCC10J3/56C10J3/726C10J2200/152C10J2300/1223C10J2200/36C10J3/723
Inventor PAVONE, DOMENICOTOPOROV, DOBRINABRAHAM, RALF
Owner THYSSENKRUPP IND SOLUTIONS AG
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