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Flow equalizing equipment for polycrystalline silicon activated carbon adsorption tower

An activated carbon adsorption tower and polysilicon technology, which is applied in the chemical industry, can solve the problems of a single inlet pipe for flow equalization equipment and few studies on gas uniform distribution, and achieve the effects of difficult position change, uniform divergence, and easy reset

Pending Publication Date: 2021-06-25
HUAIYIN INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing polysilicon activated carbon adsorption towers, the flow equalization equipment is mostly a single inlet pipe, and there are not many studies on the gas uniform distribution.

Method used

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  • Flow equalizing equipment for polycrystalline silicon activated carbon adsorption tower
  • Flow equalizing equipment for polycrystalline silicon activated carbon adsorption tower
  • Flow equalizing equipment for polycrystalline silicon activated carbon adsorption tower

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036] Such as Figure 1~8 As shown, the flow equalization equipment used in the polysilicon activated carbon adsorption tower includes,

[0037] Reaction tower 10;

[0038] A grid 101, the grid 101 is fixedly connected in the reaction tower 10, the upper part of the grid 101 is provided with an activated carbon layer 102, and the lower part is provided with a gas distribution device 20;

[0039] The gas distribution plate 30, the gas distribution plate 30 is fixedly connected in the reaction tower 10, and is arranged between the grid 101 and the gas distribution device 20, and the gas distribution plate 30 is provided with a plurality of air holes 301 arranged in the vertical direction , the spray head 302 is installed in the air hole 301, the spray head 302 includes a pipe body 3022, a top cap 3021 and a piston 3023 installed in the top cap 3021, one end of the pipe body 3022 is fixedly connected in the air hole 301, and the other end It is fixedly connected with the top c...

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Abstract

Flow equalizing equipment for a polycrystalline silicon activated carbon adsorption tower comprises a reaction tower, a grid and a gas distribution plate. The grid is fixedly connected into the reaction tower, an activated carbon layer is arranged at the upper part of the grid, and a gas distribution device is arranged at the lower part of the grid. The gas distribution plate is fixedly connected in the reaction tower and is arranged between the grating and the gas distribution device, a plurality of gas holes are formed in the gas distribution plate in the vertical direction, and spray heads are mounted in the gas holes. Each spray head comprises a pipe body, a top cap and a piston mounted in the top cap, wherein one end of the pipe body is fixedly connected into the corresponding gas hole, the other end of the pipe body is fixedly connected with the top cap, a dumbbell-shaped gas cavity is formed in the top cap in the vertical direction, a gas dispersing hole communicated with the upper portion of the dumbbell-shaped air cavity is formed in the upper surface of the top cap, a sliding rod is fixedly connected into the top cap, the piston is slidably connected to the sliding rod, the piston is matched with the upper neck portion of the dumbbell-shaped gas cavity in size and is in an inverted frustum shape, and the lower portion of the dumbbell-shaped gas cavity is communicated with a through cavity of the pipe body.

Description

technical field [0001] The invention belongs to the field of chemical industry, in particular to flow equalization equipment used in polysilicon activated carbon adsorption towers. Background technique [0002] The polysilicon activated carbon adsorption tower is the key equipment in the process of "dry recovery and reduction tail gas" in the "improved Siemens method". Its main function is to purify the hydrogen in the mixed gas. The flow equalization equipment is the most critical structure that determines the adsorption performance of the polysilicon activated carbon adsorption tower. It affects the adsorption efficiency through the distribution of the gas flow field in the tower: the more uniform the flow field distribution of the adsorption cross-section, the higher the adsorption efficiency. In the existing polysilicon activated carbon adsorption towers, the flow equalization equipment is mostly a single inlet pipe, and there are not many studies on the gas uniform dist...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/04
CPCB01D53/04B01D2253/102B01D2256/16
Inventor 倪震宇王玲李伯奎李春朋许兆美
Owner HUAIYIN INSTITUTE OF TECHNOLOGY
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