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Vacuum spraying defoaming device

A defoaming and vacuum technology, applied in the direction of foam dispersion/prevention, can solve the problem of difficult precipitation of bubbles, and achieve the effect of improving the defoaming effect, production quality and application process performance.

Inactive Publication Date: 2013-02-13
南京海拓复合材料有限责任公司
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

[0003] It can be seen from the above that the defoaming method of the existing defoaming equipment is mainly suitable for low-viscosity colloids, and it is difficult to separate out the bubbles in high-viscosity colloids

Method used

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  • Vacuum spraying defoaming device
  • Vacuum spraying defoaming device
  • Vacuum spraying defoaming device

Examples

Experimental program
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Embodiment 1

[0023] like figure 1 , 2 The vacuum spray degassing device shown in . One end of the spray pipe 3 connected to the vacuum container 2 is provided with a spray plate 4 , and the spray plate 4 is provided with a spray hole 41 . The sum of the cross-sectional areas of the spray holes is 1 to 1.5 times the cross-sectional area of ​​the spray pipe.

[0024] The shower pipe 3 is provided with a shower pipe valve 31 for controlling spraying.

[0025] The vacuum vessel 2 includes a vacuum vessel body 21 and a vacuum vessel head 22 used to seal the vacuum vessel body 21 , and a sealing ring 23 is provided between the vacuum vessel body 21 and the vacuum vessel head 22 . The vacuum container head 22 is provided with a vacuum tube 221 , an air release valve 222 and a vacuum gauge 223 .

[0026] The high-pressure container 1 is provided with a high-pressure plate 11, and the high-pressure plate 11 is provided with a hydraulic column 12 for connecting a hydraulic system.

[0027] When...

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Abstract

The invention discloses a vacuum spraying defoaming device which comprises a high pressure container, a vacuum container and a spraying pipe communicating the high pressure container and the vacuum container in integral mode. The vacuum spraying defoaming device enables high-viscosity colloid to be processed into slim strip shape through high pressure spraying, bubbles existing in the high-viscosity colloid explode automatically after passing through a spraying plate, and defoaming is conducted under vacuum environment. The vacuum spraying defoaming device improves defoaming effect of high-viscosity colloid materials and further improves production quality and application process performance of follow-up products.

Description

technical field [0001] The invention relates to a vacuum spray degassing device. Background technique [0002] At present, there are mainly the following methods for degassing high-viscosity colloids: stirring centrifugal degassing: using the centrifugal force formed during rotation, using the density difference between the bubbles and the mixture to complete stirring and degassing; film degassing: inside the film degassing device There is a defoaming umbrella. When the colloidal material passes through the defoaming umbrella surface, under the action of gravity and viscosity, it diffuses outward along the umbrella surface to form a film-like fluid. Under the action of vacuum, the colloid is degassed. This method is mainly used for low-viscosity colloids; vacuum defoaming, vacuumize the vacuum container containing colloidal materials, and keep the pressure for a certain period of time, so that the bubbles rise to the liquid level under the action of pressure difference, and ...

Claims

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Application Information

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IPC IPC(8): B01D19/02
Inventor 孙滨包兆鼎李旭东聂春岭
Owner 南京海拓复合材料有限责任公司
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