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Flotation device

A flotation device and flotation tank technology, which is applied in flotation, flotation water/sewage treatment, transportation and packaging, etc., can solve the problems of valves being susceptible to wear, leakage, and high cost, and achieve the effect of high dry solid content

Pending Publication Date: 2020-05-26
ВАЛМЕТ ТЕКНОЛОДЖИЗ ОЙ
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the application of valves, especially the application of large numbers of valves, is expensive in equipment, because the valves need to be properly controlled and maintained as such
This also leads to high cost
In addition, the potential vulnerability of the valve is that it can cause leakage
In addition, valves are subject to wear

Method used

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  • Flotation device
  • Flotation device
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Examples

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Embodiment Construction

[0029] figure 1 Shown is a flotation device 1 with a flotation cell 2 for containing the liquid to be purified and a saturator 3 for containing a pressurized liquid-gas mixture, from which a line 4, i.e. a distribution line, leads. To at least one feeder 5 through which the pressurized liquid-gas mixture can be led into the flotation cell 2 .

[0030] One feeder 5 or all feeders 5 have flow channels 30 which have different flow cross-sectional areas 31 , 32 along their direction of extension.

[0031] A feeder 5 or each feeder 5 has a Venturi nozzle or the like. this point in figure 1 is schematically shown on the lower left.

[0032] image 3 In particular, it is clearly shown that the conduit 4 extends at least partially around the flotation cell 2, wherein the conduit 4 opens into a plurality of feeders 5 which are arranged at a distance from one another in the flotation cell without an intermediate connection of valves. 2 on or in the outer wall.

[0033] figure 1 I...

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PUM

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Abstract

A flotation device (1) having a flotation tank (2) for receiving liquid to be purified, a saturator (3) for receiving a pressurized liquid-gas mixture and at least one feeder. A line (4) leads from the saturator (3) to at least one feeder (5) through which the pressurized liquid-gas mixture may be introduced into the flotation tank (2). The invention aims to the flotation device such that a pressurized liquid-gas mixture can be introduced into the flotation tank of the flotation device as reliably and as uniformly as possible and is characterized in that feeder (5) includes a flow channel (30)that has different flow cross sectional areas (31, 32) along the extension thereof.

Description

technical field [0001] The invention relates to a flotation device according to the preamble of claim 1 . Background technique [0002] It is known in the prior art to scrub the gas with water or to perform wet electrostatic separation, ie to release particles. The water or washing liquid containing the particles must be purified in order to be able to be supplied to the process again. In this context, it is especially known to use centrifuges to separate suspended solids and particles from water. [0003] The dense or concentrated phase is usually sent to a centrifuge. Although the centrifuge is capable of spinning up to 3800 rpm, the quality of the purification is not ideal as only larger particles are separated and the water has a high fine particle fraction. [0004] Approximately 40% to 50% of the particles remain in the purified water. A disadvantage of using a centrifuge is, inter alia, that the centrifuge is very susceptible to wear and has a high maintenance req...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03D1/14B03D1/02
CPCB01D19/0073B01D21/0084B03D1/1443B01F23/232B03D1/02B03D1/1462B03D1/1468B03D1/1431B03D1/1475C02F1/24B01F25/312B01F2101/305
Inventor 彼得·奥伦施勒格尔
Owner ВАЛМЕТ ТЕКНОЛОДЖИЗ ОЙ
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