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Air intake device of variable diameter carbonization tower

A technology of air intake device and carbonization tower, applied in carbonate preparations, products, reagents, etc., can solve the problems of uneven air intake, deformation of heat exchange tubes, large impact of heat exchange tubes, etc., to improve service life, avoid Impact wear and the effect of increasing the intake air volume

Active Publication Date: 2021-09-17
HUAIYIN INSTITUTE OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The air intake device of the existing carbonization tower has the problem that the air intake is uneven, and the gas has a large impact on the heat exchange tube in the water tank during the intake air, which easily causes local deformation of the heat exchange tube

Method used

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  • Air intake device of variable diameter carbonization tower
  • Air intake device of variable diameter carbonization tower
  • Air intake device of variable diameter carbonization tower

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.

[0030] In the description of the present invention, the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and does not require the present invention to be specified in a specific manner. The orientation, composition and operation of the device should not be construed as a limitation of the present invention.

[0031] This embodiment provides an air inlet device for a variable diameter carbonization tower, the device includes an air blowing device arranged at the bottom of the carbonization t...

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Abstract

The invention discloses an air intake device of a variable-diameter carbonization tower. The air intake device includes a main air intake pipe extending into the carbonization tower, a plurality of branch air pipes uniformly distributed in layers along the axial direction of the main air intake pipe, The gas blowing device arranged at the bottom of the carbonization tower has a plurality of nozzles evenly distributed on the branch air pipe, and the gas discharged into the carbonization tower from the nozzles is spirally raised under the action of the gas blowing device; the carbonization tower provided by the invention The air intake device improves the uniformity of gas distribution in the carbonization tower, and the gas discharged from the nozzle does not directly impact the heat exchange tank installed above the air intake device, reducing the impact and wear on the tube bundles in the heat exchange tank and improving the service life of the equipment.

Description

technical field [0001] The invention relates to an air inlet device of a variable diameter carbonization tower, belonging to the technical field of chemical equipment. Background technique [0002] At present, the most commonly used alkali-making methods in China are Hou's alkali-making method and Solvay method. Both of these methods use ammonia salt solution to absorb carbon dioxide. The ammonia salt solution is introduced above the carbonization tower, and carbon dioxide gas is introduced below the carbonization tower to react to generate sodium bicarbonate, which is finally heated and decomposed to sodium carbonate. The carbonization tower can be divided into three parts from top to bottom, namely absorption zone, cooling zone, and crystallization zone. Ammonia salt solution is introduced into the upper absorption zone to initially absorb carbon dioxide gas from the bottom, but no sodium bicarbonate crystals are precipitated at this time. In the crystallization zone, so...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01D7/18C01D7/16
CPCY02P20/141
Inventor 滑小彤黄梓庭李伯奎陈诚宋泽康周靖许兆美蒋素琴王玲
Owner HUAIYIN INSTITUTE OF TECHNOLOGY
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