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Flue gas desulfurization apparatus, flue gas desulfurization system, and method for operating flue gas desulfurization apparatus

A technology of desulfurization device and treatment device, which is applied in chemical instruments and methods, separation methods, and dispersed particle separation, etc., can solve the problems of large-scale concentration equipment and increased cost of sulfuric acid manufacturing equipment.

Inactive Publication Date: 2006-01-04
MITSUBISHI HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] In addition, even if gypsum is not produced, when dilute sulfuric acid is produced, if the concentration is too low, there is a problem of enlarging the concentration equipment and increasing the cost of sulfuric acid production equipment.

Method used

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  • Flue gas desulfurization apparatus, flue gas desulfurization system, and method for operating flue gas desulfurization apparatus
  • Flue gas desulfurization apparatus, flue gas desulfurization system, and method for operating flue gas desulfurization apparatus
  • Flue gas desulfurization apparatus, flue gas desulfurization system, and method for operating flue gas desulfurization apparatus

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Embodiment Construction

[0083] In order to explain this invention in detail, it demonstrates based on drawing.

[0084] according to figure 1 An exhaust gas treatment system including the exhaust gas desulfurization device of Example 1 will be described.

[0085] Such as figure 1 As shown, for example, fuel f such as coal and heavy oil is burned in boiler 1 that generates steam in order to drive a steam turbine of an unshown thermal power plant. The exhaust gas from boiler 1 contains sulfur oxides (SO X ), the waste gas is denitrified by a denitrification device not shown in the figure, and after being cooled by the waste gas heater, dust is removed in the dust collector 2.

[0086] The dedusted exhaust gas is sent to the humidification cooling device 16 through the blower 3, and water (containing dilute sulfuric acid) is mixed in the humidification cooling device 16 to become the exhaust gas in a saturated steam state. At this time, smoke may be contained in the exhaust gas. The exhaust gas in ...

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Abstract

The invention provides a flue gas desulfurization apparatus includes at least one activated carbon fiber board 20 provided in a catalyst unit 6, the board being formed by alternatingly juxtaposing one or more plate-like activated carbon fiber sheets and one or more corrugated activated carbon fiber sheets so as to provide vertically extending conduits, wherein water for producing sulfuric acid is supplied, through a capillary phenomenon, to the activated carbon fiber board 20 provided in the catalyst unit 6. The flue gas desulfurization apparatus attains removal of sulfur oxides (SOx) by adding a minimum required amount of water to the activated carbon fiber board 20 so as to attain uniform water distribution and can reduce the amount of water required for removing sulfur oxides (SOx).

Description

[0001] This application is a divisional application, the application number of its parent application is: 02807664.8, the application date: 2002.10.16, the name of the invention: exhaust gas desulfurization device, exhaust gas desulfurization system and operation method of exhaust gas desulfurization device. technical field [0002] The present invention relates to the removal of sulfur oxides (SO4) in exhaust gases discharged from boilers, gas turbines, engines, incinerators, etc. that burn fuel such as coal and heavy oil. X ), the exhaust gas desulfurization device, the exhaust gas desulfurization system and the operation method of the exhaust gas desulfurization device. [0003] Furthermore, the present invention relates to a method for removing sulfur oxides (SO X ) desulfurization method. Background technique [0004] Contains disulfide in exhaust gas from thermal power generation equipment with boilers using fuel such as coal and heavy oil, chemical product manufactur...

Claims

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Application Information

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IPC IPC(8): B01D53/86B01D53/50
Inventor 小林敬古安武昭典栗崎隆龙原洁
Owner MITSUBISHI HEAVY IND LTD
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