Thin-hole sieve-plate-typed bubble column

A technology of fine-mesh sieve and bubble tower, which is applied in the direction of dispersed particle separation, chemical instruments and methods, and the use of liquid separation agents, can solve the problems affecting the operation and processing efficiency of jet bubble towers, difficulties in manufacturing, installation and maintenance, and increased Large equipment volume and cost, etc., to achieve the effect of simple structure, low equipment investment and operation energy consumption, and small pressure loss

Inactive Publication Date: 2015-02-04
常州友达环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, the gas injection pipe passes through the gas dispersion plate from the top of the absorption tower into the gas layer area. The gas dispersion plate is not only complex in structure, difficult to manufacture, install and maintain, but also supported and fastened with other components, which cannot Adjusting the levelness at the application site will seriously affect the operation and processing efficiency of the jet bubble tower
Furthermore, the gas to be processed is introduced into the lower part of the gas dispersion plate from the injection tube, im

Method used

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  • Thin-hole sieve-plate-typed bubble column
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  • Thin-hole sieve-plate-typed bubble column

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Embodiment 1

[0029] a kind of like figure 1 The fine-hole sieve plate bubble column shown includes a cylinder body 1, an air inlet 2, an air outlet 3, a liquid spray pipe 5, a sieve plate 6, an overflow plate 7, a liquid suction and ventilation net 8, and an auxiliary liquid inlet 11 and demister9. The gas inlet 2 is arranged at the lower part of the cylinder body and above the liquid level; the gas outlet 3 is arranged at the upper part of the cylinder body and above the bubbling layer of the tray.

[0030] The bubble column tray in this embodiment is a fine-pore sieve plate 6, which is rolled and formed by metal sheets or ceramic fiber sheets, or stamped and formed by metal sheets, or injection molded. Its structural parameters are 3-30 mm in height, 0.5-5 mm in average aperture, and 0.3-0.9 in opening ratio. One side of the sieve plate 6 is provided with an overflow plate 7, and there are many V-shaped notches on the top of the overflow plate, which are 10-50mm higher than the sieve p...

Embodiment 2

[0039] image 3 The fine-pore sieve plate bubble column shown is a bubble column with multiple layers of fine-pore sieve plates. It includes a cylinder body 1, an air inlet 2, an air outlet 3, a liquid spray pipe 5, a sieve plate 6, an overflow plate 7, a liquid suction and ventilation net 8, an auxiliary liquid inlet pipe 11 and a demister 9. The gas inlet 2 is arranged at the lower part of the cylinder body and above the liquid level; the gas outlet 3 is arranged at the upper part of the cylinder body and above the bubbling layer of the tray.

[0040] The bubble column tray in this embodiment is a microchannel fine-hole sieve plate 6, which is a screen with a certain height and spreads over the microporous channels. The preferred structural parameters are 10-20mm in height, 1-3mm in average pore size, 0.6 to 0.8. One side of the sieve plate 6 is provided with an overflow plate 7, and there are many V-shaped notches on the top of the overflow plate.

[0041] The bottom of ...

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Abstract

The invention belongs to gas-liquid mass transfer devices in the technical fields of chemical engineering and environmental protection and is applied in technical processes, such as distillation, absorption, separation, washing, purification and the like. A thin-hole sieve-plate-typed bubble column comprises a cylinder body, a gas inlet, a gas outlet, a micro-channel thin-hole sieve plate, an imbibing breathable net and a downflow apparatus. A liquid phase is fed to the imbibing breathable net and is carried by a gas fed into the bubble column to form a gas-liquid mixture. The gas-liquid mixture passes through the micro-channel thin holes in the sieve plate to form a bubbling layer above a column plate. In the thin-hole sieve-plate-typed bubble column, the micro-channel thin-hole sieve plate and the imbibing breathable net are employed and a method of supplying the liquid from under the plate is employed so that the gas-liquid flow is formed and is passed through the micro channels, thereby significantly increasing a gas-liquid contacting area and enhancing a mass transfer process. The thin-hole sieve-plate-typed bubble column is simple in structure, is stable in operation, is convenient to maintain, is less in pressure loss and liquid consumption amount, and is low in device cost and operation energy consumption.

Description

technical field [0001] The invention relates to a bubble tower, which belongs to gas-liquid mass transfer equipment in the technical field of chemical industry and environmental protection, and can be widely used in the processes of distillation, absorption, separation, washing, purification and the like in chemical industry, environmental protection, smelting, light industry and other industries. Background technique [0002] Absorption tower is an important purification device and process for treating volatile pollutants and dust in gas. It can typically be divided into spray tower (spray tower), packed tower, plate tower and jet bubbling tower (Jet bubbling tower) ). According to the power source of gas-liquid contact, the absorption tower can be divided into a liquid injection method that injects liquid into the gas phase and a gas injection method that injects gas into the liquid phase. In order to improve the treatment efficiency and reduce investment and operation co...

Claims

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Application Information

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IPC IPC(8): B01D53/18B01D47/06
Inventor 黄晓峰雷环宇
Owner 常州友达环保科技有限公司
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