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Method and installation for separating acid components, dust and tar from hot gases of gasification installations

A technology of hot gas and gasifier, which is applied in the field of separating acid, dust and tar from the hot gas discharged from the gasifier and the field of equipment, which can solve the problems of increased operation and efficiency loss, and achieve the effect of reducing heat loss

Inactive Publication Date: 2015-01-14
ТІССЕНКРУПП УДЕ ҐМБГ
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the corresponding catalyst is arranged before the filter, the synthesis gas must be reheated to a working temperature of 800°C to 1000°C due to heat loss, but this will cause a large loss of efficiency and increase operational troubles

Method used

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  • Method and installation for separating acid components, dust and tar from hot gases of gasification installations
  • Method and installation for separating acid components, dust and tar from hot gases of gasification installations
  • Method and installation for separating acid components, dust and tar from hot gases of gasification installations

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Embodiment Construction

[0022] figure 1 The device generally designated 1 in is shown schematically in this figure. In this figure fuel (dotted arrow 3 ), oxygen (solid arrow 4 ) and possibly additives (dashed arrow 5 ) are fed into gasifier 2 . Reference numeral 6 denotes slag discharge. Connected after the gasifier 2 are a desulfurization device 7 and a device 8 with a cyclone separator 9 and a candle filter 10 inside.

[0023] Arrow 11 indicates that the gas flows into the cyclone separator 9 , and arrow 12 indicates that the useful gas flows out from behind the candle filter 10 . Then the useful gas 13 will flow to the next processing equipment.

[0024] The dotted arrow 14 marks a region where the quench gas is returned from the gas stream 12 to the desulfurization unit 7 . The dotted arrow 15 marks the area before the desulfurization unit 7 where additives can be added.

[0025] It can be seen from the figure that the separation of acid gas components, such as separation of H 2 S. The ta...

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Abstract

#CMT# # / CMT# The method involves supplying a combined cyclone (9) with assigned filter cartridges in a common vessel over 700 degree Celsius hot medium flow with additives (5) of a sulfur removal (7). The gas for further use is removed behind the filter cartridges. A separation of acid gas components, for example, hydrogen sulfide separation is conducted by the dust removal by additional additives. #CMT# : # / CMT# An independent claim is also included for a system for executing a deposition method. #CMT#USE : # / CMT# Method for the deposition of acidic components, dust and coal tar from hot gases of gasification plants. #CMT#ADVANTAGE : # / CMT# The method involves supplying a combined cyclone with assigned filter cartridges in a common vessel over 700 degree Celsius hot medium flow with additives of a sulfur removal, and thus ensures improved deposition method. #CMT#DESCRIPTION OF DRAWINGS : # / CMT# The drawing shows a schematic view of a system for executing a deposition method. 2 : Carburetor 3 : Fuel 5 : Additives 7 : Sulfur removal 9 : Cyclone.

Description

technical field [0001] This invention relates to a method and apparatus for separating acids, dust and tars from hot gases discharged from a gasifier. Background technique [0002] When gasifying fossil fuels (such as hard coal, lignite, biomass, residues from oil refining), the chlorine or sulfur contained in the fossil fuels will react to form acid gases, which will damage the equipment components connected after the gasifier cause erosion or corrosion problems. In addition, the gasification of biomass produces large quantities of tars, which must be removed, since tar condensates can also cause major problems for equipment connected after the gasifier. EP1870444A2 proposes a method of purifying the gas exiting a wood gasifier by using filter candles and giving the product gases a longer time to chemically react before passing through the filter candles. This method does not use a cyclone for separation. [0003] Another method of separating acidic harmful gases is wet ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D50/00B01D53/50B01D53/75C10J3/84
CPCC10K1/026B01D50/002B01D2257/304B01D53/685C10K1/024B01D2257/2047C10J3/84C10K1/30B01D2257/2045B01D53/83C10J2300/0983B01D53/52C10J2300/0959B01D50/20
Inventor D·帕沃内R·亚伯拉罕
Owner ТІССЕНКРУПП УДЕ ҐМБГ
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