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Method and reactors for gasifying dusty, solid, or liquid fuels such as coal, petroleum coke, oil, tar, or the like

A reactor and fuel technology, applied to gas fuel burners, combustion methods, gas fuel, etc., can solve problems such as chloride corrosion, entering the cooling cycle, blocking pipelines, etc.

Inactive Publication Date: 2015-03-25
UHDE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this known method is that not only CO or H 2 May enter the cooling cycle, and other components present in the produced gas, such as salts, hydrogen sulfide and other elements
This can cause serious difficulties with the cooling cycle
For example, particles may clog pipes or cause wear, chlorides may promote corrosion, etc.

Method used

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  • Method and reactors for gasifying dusty, solid, or liquid fuels such as coal, petroleum coke, oil, tar, or the like
  • Method and reactors for gasifying dusty, solid, or liquid fuels such as coal, petroleum coke, oil, tar, or the like

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Embodiment Construction

[0015] It should first be observed that the devices described in the drawings relate to systems for cooling or tempering surfaces subject to high temperature loads, for example for gasification of finely decomposed, liquid or solids with an oxygen-containing gasification medium The fuel is cooled or tempered by the burner of the cooled reactor. The reactor works above the melting point of slag in the range of 1200-2000 °C, the pressure is 0.3-8 MPa, and it has one or more burners and one or more burner planes, where the corresponding reactors are not shown individually in the figure, but only the inlets and outlets of the cooled diaphragm faces

[0016] exist figure 1 In the example shown, the unit cooling circuit, framed with a dotted line and marked "A", is used, for example, to cool the gasification burner marked with 1 with burner head 3 via the corresponding cooling surface 2, where it can be Further units to be cooled are provided, corresponding cooling surfaces are ind...

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Abstract

With a method for cooling units subjected to stress at high temperatures, in cooled reactors for gasification of fuels that contain carbon, using gasification media that contain oxygen, whereby the reactor walls are cooled by way of a coolant circuit, penetration of substances from the reactor into the cooling circuit in the event of possible leaks is supposed to be reliably prevented. This is achieved in that the units to be cooled, such as, for example, gasification burners, burner muffles, or the like, are equipped with an independent cooling circuit, whereby this cooling circuit is directly connected with the main cooling circuit.

Description

technical field [0001] The invention relates to a method for cooling a unit subjected to high temperature loads in a cooled reactor for the gasification of carbonaceous fuels with an oxygen-containing gasification medium, the reactor walls being cooled by circulation of a coolant. Background technique [0002] The gasification process takes place at high temperature in corresponding reactors. In order to protect the environment against escape of heat flow, it is known that the reactor walls are cooled by means of a corresponding main cooling system. Since the internals are provided in the reactor, they also need to be cooled accordingly and adjusted to a temperature level which enables these components to achieve a long life. For example, this can be a gasifier, a burner or the like. [0003] From EP 0986622 B1 it is known that the protruding burner in the gasifier is cooled with its own cooling circuit, the coolant from the storage vessel returns to the storage vessel aga...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J19/00C10J3/76F23D14/78
CPCC10J2200/152C10J3/76B01J2219/0009C10J3/485B01J2219/00067B01J2219/00256C10J3/723B01J19/0013B01J2219/00268C10J2300/1807C10J2300/0956B01J2219/0006B01J2219/00087C10J2300/0959Y02P20/141B01J19/00C10L3/00F23D14/78
Inventor J·多斯塔尔E·库斯克
Owner UHDE GMBH