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Flue gas desulfurization method

A flue gas and gas outlet pipe technology, applied in the field of flue gas desulfurization, can solve the problems of high operating cost, cumbersome purification steps, unsatisfactory desulfurization effect, etc., and achieve the effect of improving the purification effect and prolonging the residence time

Inactive Publication Date: 2015-09-02
HANGZHOU INST OF ADVANCED MATERIAL BEIJING UNIV OF CHEM TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing flue gas desulfurization methods generally have the problems of cumbersome purification steps, high operating costs, and unsatisfactory desulfurization effects.

Method used

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with accompanying drawing:

[0019] Such as figure 1 As shown, the flue gas desulfurization method of the present invention includes introducing flue gas from the intake pipe, wherein the intake pipe 3 enters from the upper end of one side of the housing 1, the intake pipe 3 extends downward, and the inlet pipe outlet 4 at the lower end of the intake pipe 3 is close to The liquid surface, the absorption liquid is sodium hydroxide solution, and a plurality of overflow tanks 6 are arranged on the top of the housing, and the plurality of overflow tanks 6 are arranged side by side. The pump is connected with the lower part of the casing 1, and the overflow side of each overflow groove 6 is connected with an overflow plate 7, and the overflow plate 7 extends downward along the vertical direction of the casing, and each overflow plate 7. A rotating partition 8 is provided near the side of the air outlet pip...

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Abstract

The invention relates to a flue gas desulfurization method, in which a shell (1), a gas inlet pipe (3), a gas outlet pipe (11), an overflow groove (6), an overflow plate (7), a liquid supplementing pipe (5), a rotating separation plate (8), a floating cylinder (9), a rotating beam (10), a liquid inlet pipe (16), a liquid outlet pipe (17), a liquid inlet pipe control valve (18), a liquid outlet pipe control valve (19), a rotating separation plate contact point (20), an overflow plate contact point (21), a demister (12), fan blades (15), a motor (23) and a controller (22), wherein the rotating separation plate leans against the floating cylinder at the lower part of the rotating separation plate and rotates by virtue of the floating force of an absorption liquid, so that a gap between the rotating separation plate and the overflow plate is adjusted and further the flowing throughput of flue gas is adjusted. According to the flue gas desulfurization method, the purification efficiency of SO2 in the flue gas can be well improved.

Description

technical field [0001] The invention relates to a flue gas desulfurization method. Background technique [0002] When coal-fired boilers are burning, various organic and inorganic sulfur contained in coal are converted into sulfur oxides mainly sulfur dioxide, which enters the atmosphere and combines with water in the atmosphere to form acid rain, which not only affects ground buildings and crops Seriously affect human health, so flue gas desulfurization is an important part of environmental protection. [0003] The main method of flue gas desulfurization is wet desulfurization, which uses limestone and other slurries as detergents to wash the flue gas in the reaction tower to absorb sulfur dioxide in the flue gas. However, the existing flue gas desulfurization methods generally have the problems of cumbersome purification steps, high operating costs, and unsatisfactory desulfurization effects. Contents of the invention [0004] The object of the present invention is to ...

Claims

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Application Information

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IPC IPC(8): B01D53/78B01D53/50
Inventor 吴浩
Owner HANGZHOU INST OF ADVANCED MATERIAL BEIJING UNIV OF CHEM TECH
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