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Micro-bubble generation device based on plate type microporous medium foaming mechanism

A microporous medium and microbubble technology, which is applied in flotation water/sewage treatment and other directions, can solve the problems of fouling and blockage, low gas utilization rate, and high gas consumption, and achieves convenient disassembly and assembly, high gas utilization rate, and processing capacity. big effect

Inactive Publication Date: 2014-08-27
BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Careful investigation may have two reasons: On the one hand, the radial dimension of the liquid flow channel must increase correspondingly when the raw water treatment capacity increases. Gas pressure, resulting in high gas consumption and low gas utilization rate, and the possibility of larger particle size bubbles is greatly increased; on the other hand, when the micro-bubble generator is out of service for a period of time Scaling and clogging will inevitably occur in the produced internal concentric tubes, but the cleaning, maintenance and disassembly process is relatively cumbersome

Method used

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  • Micro-bubble generation device based on plate type microporous medium foaming mechanism
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  • Micro-bubble generation device based on plate type microporous medium foaming mechanism

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specific Embodiment approach

[0036] The preferred embodiment of the micro-bubble generating device based on the foaming mechanism of the plate-type microporous medium of the present invention is:

[0037] It includes a cylindrical outer cylinder, the upper end and lower end of the outer cylinder are respectively sealed by flange covers, and two independent gas chambers are separated from the parts of the outer cylinder near the two side walls. The other cavities in the cylinder are water flow chambers;

[0038] The upper part of the water flow chamber is provided with a conical guide cylinder, the upper space of the conical guide cylinder is a swirl cavity, and the wall of the outer cylinder at the swirl cavity is provided with a tangential water inlet pipe , a water outlet pipe is provided on the wall of the lower part of the outer cylinder;

[0039] An inlet pipe is provided on the cylinder wall of the outer cylinder at the gas chamber, and a rectangular micro-orifice plate is provided between the gas ...

specific Embodiment

[0053] Such as Figure 1 to Figure 4 As shown, the entire internal space is composed of two major parts, the water flow chamber 12 and the gas chamber 7 . Among them, the water flow chamber 12 is mainly a closed space surrounded by the outer cylinder body 10 and the upper and lower flange covers 1, and is compressed and sealed by the action of bolts; the gas chamber 7 is composed of a tile-shaped upper end cover 5, a rectangular micro The independent space formed by the orifice plate 11 and the rectangular positioning frame 9. Wherein the rectangular microporous plate 11 can be made of ceramic material or metal material. The rectangular microporous plate 11 is placed in the groove between the rectangular positioning frame 9 and the tile-shaped upper end cover 5, and the rubber rectangular gasket 6 is placed up and down, and the bolts around the rectangular positioning frame 9 are tightened to achieve sealing. The gas chamber 7 is fixed by means of two threaded fixing rods 8 ...

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Abstract

The invention discloses a micro-bubble generation device based on a plate type microporous medium foaming mechanism. The micro-bubble generation device comprises a pipe-column-shaped outer barrel body, wherein the upper end and the lower end of the outer barrel body are sealed with flange covers respectively, two independent air chambers are formed in parts close to two side walls in the outer barrel body, and the other cavity in the outer barrel body is a water flow chamber; a conical flow guide barrel is arranged at the upper part of the water flow chamber, the space in the upper part of the conical flow guide barrel is a rotational-flow cavity, a tangential water inlet pipe is arranged on the wall of the outer barrel body at the rotational-flow cavity, and a water outlet pipe is arranged on the wall at the lower part of the outer barrel body; air inlet pipes are arranged on the walls of the outer barrel body at the air chambers, and rectangular microporous plates are arranged between the air chambers and the water flow chamber. The micro-bubble generation device is high in utilization rate of air, large in handling capacity and convenient to dismount, and is mainly used for providing a large quantity of micro-bubbles for water quality air flotation purification treatment or other process with full air-liquid contact requirement.

Description

technical field [0001] The invention relates to a micro-bubble generating device, in particular to a micro-bubble generating device based on the foaming mechanism of a plate-type microporous medium. Background technique [0002] Air flotation technology is to inject a large number of highly dispersed micro-bubbles into the water to be treated, so that the micro-bubbles collide with particulate pollutants (such as suspended solids (SS), oil droplets, etc.) and then float to the water surface by buoyancy to form The scum is removed to realize sewage purification. Air flotation technology first appeared in the beneficiation industry, and is mainly used to remove impurities in ore or for mineral beneficiation or flotation. Later, with the gradual development of air flotation technology, C.L.Peck first proposed the idea of ​​using it for sewage treatment in 1920. However, due to the limitation of micro-bubble generation technology, the air flotation technology did not really de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/24
Inventor 陈家庆陈涛涛蔡小垒
Owner BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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