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acid washing tower

A technology of acid washing tower and tower body, which is applied in the field of acid washing tower, which can solve the problems of increased processing cost, poor reaction effect, and increased spray flow, and achieve the effect of avoiding cost increase, short time, and improving efficiency

Active Publication Date: 2022-06-03
XINXING DUCTILE IRON PIPES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, after the blast furnace gas from TRT (Blast Furnace Gas Residual Pressure Turbine Power Generation Unit) enters the pickling tower, it quickly rises and flows out, and a large amount of blast furnace gas escapes in the area where the spraying is thin. The slurry contact area and contact time have great uncertainty. In the case of insufficient contact between gas and water, the reaction effect is poor
If you want to improve the reaction efficiency, you need to increase the flow rate of the spray, resulting in an increase in processing costs

Method used

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Embodiment Construction

[0042] Optionally, the flexible layer 40 can be a plastic film or a cloth with better air tightness.

[0046] In some embodiments, an improved implementation of the above-mentioned coal gas diffusion zone 30 can be adopted as shown in FIG. 1, FIG. 2 and

[0047] In some embodiments, an improved implementation of the above-mentioned fixing bracket 33 can be adopted as shown in FIG. 1, FIG. 2 and FIG. 6

[0048] In some embodiments, an improved implementation of the above-mentioned fixing bracket 33 can be used as shown in FIG. 6 and FIG. 7

[0049] Specifically, the elastic member 313 can be a spring piece, and the upper and lower parts of the fixed shaft 312 are respectively provided with a spring piece, and two

[0050] In some embodiments, a specific implementation of the above-mentioned pull cord 35 may adopt the structure shown in FIG. 6 . see

[0052] In some embodiments, a specific implementation of the above-mentioned flexible layer 40 can be used as shown in FIG. 1, FIG. 3...

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Abstract

The invention provides an acid washing tower, the acid washing tower includes a tower body, a spray area, a gas diffusion area, a flexible layer and a packing layer, an air inlet is provided at the bottom of the side wall of the tower body, and an air inlet is provided at the top Gas outlet; the spraying area is set in the tower body for spraying acid washing liquid downward; the gas diffusion area is set in the tower body and is located below the spraying area for To diffuse the gas to the surroundings, the gas diffusion area includes two vertical plates that can move toward or back along the first preset path, and a driving device that controls the movement of the vertical plates; the flexible layer is connected to the vertical Between the plate and the inner wall of the tower, it can be folded or unfolded with the movement of the vertical plate; the packing layer is filled in the accommodating space and is a Pall ring member. The pickling tower provided by the invention ensures that the gas flow can be fully contacted with the sprayed liquid when the flow rate of the gas is large or small, and ensures a short time to improve the treatment efficiency.

Description

Acid washing tower technical field The invention belongs to the technical field of coal gas treatment, be specifically related to a kind of acid washing tower. Background technique my country is a big country using coal, and combustibles are burned in burners (ie boilers) to generate gas, which is the main source of thermal power plants. one of the emissions. Since the gas usually contains a large amount of nitrogen oxides NO X , sulfide SO 2 and dust, on the one hand will lead to Acid rain is highly corrosive. On the other hand, the dust discharged will bring air pollution and endanger health. Among them, blast furnace gas The fine desulfurization and pickling tower is the second process of fine desulfurization of blast furnace gas, in order to remove the hydrogen sulfide component in blast furnace gas. At present, after the blast furnace gas that comes out from TRT (blast furnace gas residual pressure turbine power generation device) enters in the acid was...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/78B01D53/40B01D53/18B01J19/30C10K1/10
CPCC10K1/10C10K1/08C10K1/101C10K1/003C10K1/004
Inventor 张建勇高文涛杨爱民吕智
Owner XINXING DUCTILE IRON PIPES CO LTD