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Internal circulation type foam flotation tower

A technology of internal circulation and flotation tower, which is applied in flotation, solid separation, etc., can solve the problems of foam dispersion, difficulty in collection, and large space, and achieve the effects of complete separation of foam, improved work efficiency, and accelerated discharge speed

Inactive Publication Date: 2012-06-13
汪德进
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The inner cavity of the tower is a through cavity with a large volume, so in order to increase the internal pressure, a large amount of gas must be filled into the liquid to generate foam, and because of the large space above the tower body, the generated foam is relatively dispersed. making it difficult to collect

Method used

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  • Internal circulation type foam flotation tower
  • Internal circulation type foam flotation tower

Examples

Experimental program
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Embodiment Construction

[0013] The internal circulation foam flotation tower includes a tower body 11. There are multiple liquid inlets at different heights on the side wall of the tower body 11. There is a vent pipe connected to the bottom of the tower body 11. A gas distributor 10 is installed at the bottom of the tower body. Distributor 10 is mounted on the end of the ventilation pipe, and internal circulation pipe 8 is installed in the tower body 11 to cover the top of gas distributor 10 . There is a gap between the lower end of internal circulation pipe 8 and the bottom of tower body 11 . The height of the internal circulation pipe 8 is 1 / 4-1 / 5 of the height of the tower body 11 . The lower section of the tower body 11 is connected with an overflow pipe. The inner circulation pipe 8 is a straight pipe.

[0014] When the internal circulation foam flotation tower is working, the agitator 3 is used to stir the waste water in the waste water tank 1, and then the peristaltic pump 2 is used to pump t...

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Abstract

The present invention discloses an internal circulation type foam flotation tower which comprises a tower body. The lateral wall of the tower body is provided with a liquid inlet; the bottom of the tower body is communicated with an aeration pipe and is equipped with a gas distributor; the gas distributor is arranged at the end of the aeration pipe; an internal circulation pipe covers above the gas distributor in the tower body; the clearance exist between the lower part of the internal circulation pipe and the bottom part of the tower body; the inside of the internal circulation type foam flotation tower is equipped with a circulating pipe, which accelerates the foam discharge speed; in addition, the foam is concentrated in the circulating pipe, so that air bubble is easier to be collected, therefore, the work efficiency is improved greatly.

Description

Technical field: [0001] The invention mainly relates to a chemical separation device, in particular to a foam flotation tower with an internal circulation pipe added to the tower body. Background technique: [0002] At present, the commonly used flotation device adopts a foam flotation tower, which includes a tower body, the side arm of the tower body is provided with a liquid inlet connected to the liquid inlet system, and the bottom of the tower body is provided with an air inlet connected to the aeration system. The foam is generated from the liquid in the tower and moves upward until it overflows to the outlet at the top of the tower and is finally collected. The inner cavity of the tower is a through cavity with a large volume, so in order to increase the internal pressure, a large amount of gas must be filled into the liquid to generate foam, and because of the large space above the tower body, the generated foam is relatively dispersed. It is not easy to be collected...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03D1/02B03D1/14
Inventor 汪德进
Owner 汪德进