System and method for dehumidifying dedusting desulfurization and dechloridation purification quality improving of coal gas after dry dedusting top pressure recovery turbine (TRT)
A technology of dry dust removal and coal gas, which is applied in combustible gas purification, combustible gas purification/transformation, gas dust removal, etc., can solve problems such as increasing combustion temperature, reducing coke ratio, equipment corrosion, etc., to extend the flow path and improve purification degree, the effect of improving the purification effect
Active Publication Date: 2019-10-08
SHANDONG UNIV
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Problems solved by technology
[0005] In view of the technical problems existing in the above-mentioned prior art, the purpose of the present invention is to provide a system and method for gas analysis, wet dedusting, desulfurization and chlorine purification and upgrading after dry dedusting TRT to solve the problems that are difficult to overcome in the existing dry dedusting TRT technology. Subsequent equipment corrosion problems caused by wet gas analysis and wet acid analysis can increase the calorific value of the gas, increase the combustion temperature, and then reduce the coke ratio, which is conducive to energy saving and emission reduction in the metallurgical iron and steel industry
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[0049] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
[0050] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.
[0051] like figure 1 As shown, a gas analysis wet dedusting desulfurization rate purification and upgrading sys...
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The invention discloses a system and method for dehumidifying dedusting desulfurization and dechloridation purification quality improving of coal gas after dry dedusting top pressure recovery turbine(TRT). The system comprises a washing tower system and an adsorption bed, wherein the washing tower system comprises a washing tower and a cooler, a spraying layer is arranged on the upper part in thewashing tower, a spraying pool is arranged on the lower part in the washing tower, the spraying layer is internally provided with two or more sets of spraying structures, namely, the first set of spraying structure and the second set of spraying structure, the first set of spraying structure is located on the upstream part of the second set of spraying structure, the first set of spraying structure is connected with the spraying pool through a first pump, and the second set of spraying structure is connected with the spraying pool through a cooler and a second pump; the adsorption bed is internally provided with one or more adsorption units in the flowing direction of coal gas, two columns of inclined baffles are arranged at a coal gas inlet and a coal gas outlet of each adsorption unit correspondingly, the inclined direction of each column of inclined baffles is the same, and thus the coal gas inlets or the coal gas outlets are partitioned into a plurality of inclined channels; and the inclined directions of the every two adjacent columns of inclined baffles are in mirror symmetry.
Description
technical field [0001] The invention belongs to the field of metallurgical energy, and in particular relates to a system and method for gas analysis, wet dedusting, desulfurization and chlorine purification and upgrading after dry dedusting TRT. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] Improving the utilization rate of gas in ironmaking work, strengthening resource recycling, and reducing fuel ratios are currently one of the main energy-saving and emission-reduction methods in the ironmaking industry. TRT residual pressure power generation technology uses the pressure energy and heat energy of blast furnace top gas to make the gas do work and convert it into mechan...
Claims
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Login to view more IPC IPC(8): C10K1/00C10K1/02C10K1/06C10K1/08C10K1/32
CPCC10K1/003C10K1/02C10K1/06C10K1/08C10K1/32Y02P20/129
Inventor 常景彩马春元张彪刘玉阁张鑫闫瑞张晓林王璞
Owner SHANDONG UNIV
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