Defoaming method adopting porous ceramics

A porous ceramic and defoaming technology, applied in the direction of foam dispersion/prevention, etc., can solve the problems of defoaming agent increasing production cost, affecting product performance, and there is no universally applicable defoaming technology, achieving low cost, safe operation, The effect of universal applicability

Inactive Publication Date: 2010-08-04
DALIAN UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And in some production and processing processes, the introduction of defoamers will affect the performance of the product, while the use of a large number of defoamers increases production costs
[0007] To sum up, in the field of chemical production, civil production and daily life, there is no universally applicable defoaming technology

Method used

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  • Defoaming method adopting porous ceramics
  • Defoaming method adopting porous ceramics
  • Defoaming method adopting porous ceramics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The solution is heated or reacts violently, and a large amount of foam is generated above the solution. For example, a large amount of foam is generated during the solution evaporation process in a tube heat exchanger. A porous ceramic with a hydrophobic treatment and a pore size smaller than the foam diameter is used. The porous ceramic 1 is placed on the In the foam flow line above solution 3, such as figure 1 As shown, in the process of continuous generation and rising of the foam 2, the foam is torn and broken by passing through the porous ceramic.

[0023] According to the characteristics of the foam produced and the size of the foam, the porous ceramics used can choose the relationship between different pores or the porous ceramics with different pore diameters. Porous ceramics, the applicable porous ceramics in this example are ① high siliceous silicate material porous ceramics: use hard porcelain slag, acid-resistant ceramic slag and other acid-resistant synthet...

Embodiment 2

[0026] The solution is heated or the reaction is relatively moderate, and the foam 2 is generated inside the solution 3, such as in the process of ore dressing, water and wastewater treatment, etc., or the bubbles that are too stable and need to be eliminated are added. Such bubbles will not overflow the liquid surface in large quantities, but Existing in the solution will affect the stability of the solution and reduce the treatment effect. Porous ceramics with a hydrophobic treatment and a pore size smaller than that of the foam are used to install the porous ceramics 1 inside the solution 3, such as figure 2 As shown, the solution is passed through the pipe filled with porous ceramics, and the bubbles in the solution are torn and broken when passing through the pores of the porous ceramics, and finally defoaming is achieved.

[0027] According to the characteristics of the foam produced and the size of the foam, the porous ceramics used can choose the relationship between ...

Embodiment 3

[0030] The solution is heated or the reaction is extremely violent, and a large number of foams are generated and gathered above the solution. For example, a large number of foams generated in the evaporation process of a certain viscous solution (such as waste water evaporation, high-temperature and high-pressure dehydration of crude oil, etc.) are treated with hydrophobic treatment, and the pore size is smaller than the foam. diameter of porous ceramics, the porous ceramic 1 is placed in the foam flow pipeline above the solution 3 in multiple layers, for the working condition that the foam 2 cannot be completely eliminated in the pores of the porous ceramic body, according to the amount of foam generated and eliminated during production, the porous ceramic The body adopts different rates of forward or reverse rotation, such as image 3 As shown, the ceramic body and spacing can be adjusted according to the size of the foam. When the foam in the porous ceramic channel that is ...

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PUM

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Abstract

The invention belongs to the technical fields of chemical engineering production, civil production and living, and relates to a defoaming method adopting porous ceramics. The method is characterized in that: the porous ceramics which are subjected to hydrophobic treatment and have an aperture smaller than the diameter of foams are adopted; the placement mode is selected according to the orientation for generating the foams and the flowing direction of fluid, so that the foams are torn and broken in the process of flowing and running through the porous ceramics; and finally the defoaming is realized. The method adopts the defoaming mode, can fully realize that the foams are torn and broken in the process of running through the porous ceramics, and finally realizes defoaming. The technologyhas universal applicability in the fields with defoaming requirement in production and living, is safe and environment-friendly, and has low cost and convenient and simple operation.

Description

technical field [0001] The invention belongs to the technical field of chemical production, civil production and life, especially the field where bubbles generated inside various solutions or fluid solutions or a large amount of foam generated on the surface need to be eliminated. Background technique [0002] In the fields of chemical production and civilian processing and production, such as heat exchange evaporation, polymer preparation, petroleum refining, paint production and application, pulp and paper making, textile printing and dyeing, food processing, medicine and medical treatment, sugar refining, fermentation, electroplating, mineral processing, household And in the process of industrial washing, water and wastewater treatment, etc., we often encounter unwanted foam problems. The existence of foam has caused a huge impact on production and processing and must be eliminated. [0003] Traditional research and production practice have shown that the existing physica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D19/02
Inventor 李爱民毛燎原高宁博邹德军
Owner DALIAN UNIV OF TECH
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