A variable diameter carbonization tower alkali liquor anti-backflow outlet device
A carbonization tower lye and outlet device technology, applied in chemical instruments and methods, separation methods, dispersed particle separation and other directions, can solve the problems of tower equipment corrosion, corrosion and wear of pipe walls, slowing down lye efficiency, etc., to reduce corrosion, The effect of preventing a large amount of backflow and increasing the discharge efficiency
Active Publication Date: 2021-09-17
HUAIYIN INSTITUTE OF TECHNOLOGY
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Problems solved by technology
In order to discharge a large amount of lye in the tower, it will cause great corrosion to the tower equipment
The alkali discharge pipe is the weakest link at the bottom of the carbonization tower. Sodium bicarbonate often corrodes and wears the pipe wall, resulting in thinning and perforation of the alkali discharge pipe or exposing trachoma holes, which greatly slows down the efficiency of alkali discharge
Method used
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Embodiment Construction
[0022] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0023] Such as Figure 1-8 As shown, a variable-diameter carbonization tower lye anti-backflow outlet device includes a head 5; the top of the head 5 is provided with a cap 1, and the cap 1 is provided with a radian to facilitate the lye to quickly flow into the stepped hole , the cap 1 is provided with stepped holes 11 , and the stepped holes are distributed on the outer edge of the weld between the cap 1 and the inner shell 4 . The 450 stepped holes are distributed on the outer edge. The lye can quickly flow into the head 5 from the stepped hole of the cap 1. Under pressure, the lye enters the pipeline 2 inside the inner shell 4 through the through hole 41 on the inner shell 4, and on the cap 1 Have stepped hole 11 to effectively reduce the im...
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The invention discloses a lye backflow prevention outlet device of a variable-diameter carbonization tower, which comprises a head; the top of the head is provided with a cap, the cap is provided with an arc, and the cap is provided with a stepped hole, so that the The inside of the head is provided with an inner shell, the inner wall of the inner shell is provided with a through hole, and the wall slope is 60°, the aperture size of the through hole increases continuously from top to bottom, and the top of the inner wall of the head There are pipelines, the outlet of the pipeline runs through the inner shell and extends to the outside of the head, and the inlets of the pipelines are all connected with anti-reflux valves; there are stepped holes on the cap to effectively reduce the lye flow from the upper part to the The impact of the lower part greatly reduces the scarring on the tower wall and the alkali outlet pipe, and also reduces the corrosion of the equipment.
Description
technical field [0001] The invention relates to an outlet device for preventing reflux of alkali liquid in a variable-diameter carbonization tower, and belongs to the technical field of chemical equipment. Background technique [0002] The lye outlet device of the carbonization tower commonly used at present mainly relies on the external hydraulic pump to extract the lye inside the carbonization tower. The disadvantage of the method of using this equipment is that the absorption rate of carbon dioxide in the absorption zone of the carbonization tower is greatly reduced by the liquid, and the liquid cooling efficiency in the cooling zone is also greatly reduced, that is, the absorption of carbon dioxide is insufficient. When the generation efficiency of lye in the carbonization tower does not reach a certain value, there will be a large amount of other components in the lye drawn by the hydraulic pump. In order to discharge a large amount of lye in the tower, it will cause g...
Claims
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IPC IPC(8): B01D53/78B01D53/62
Inventor 宋泽康李伯奎滑小彤周靖陈诚许兆美蒋素琴王玲
Owner HUAIYIN INSTITUTE OF TECHNOLOGY