Foam generator

A foam generator and foam technology, which are applied in fluid mixers, chemical instruments and methods, and mining fluids, etc., can solve the problems of unstable foam quality, prolonging the time of measures, simply venting and foaming agent solution, etc., to achieve foaming. Stable quality and good atomization effect

Active Publication Date: 2016-04-27
XI'AN PETROLEUM UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the liquid volume of the foaming agent changes greatly and the gas volume is unstable, the phenomenon of unstable foam quality, simple outgassing and foaming agent solution often occurs, which increases the difficulty of management, prolongs the time of measures, and wastes the foaming agent

Method used

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  • Foam generator

Examples

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] Such as figure 1 As shown, a foam generator includes a housing 10, one end of the housing 10 is provided with a compressed air inlet 1, the other end of the housing 10 is provided with a foam outlet 12, and the housing 10 is also provided with a The foaming agent solution inlet 3 for accelerating the foaming agent solution, the foaming agent solution inlet 3 communicates with the inner cavity of the housing 10; an atomizer 8 is arranged inside the housing 10, and the atomizer 8 Arranged at the position opposite to the foaming agent solution inlet 3 and on the path where compressed air flows in from the compressed air inlet 1, the atomizer 8 atomizes the foaming agent solution entering the inner cavity of the housing 10 from the foaming agent solution inlet 3 , the atomized foaming agent solution is fully mixed with the blown compressed air; a filter screen 11 i...

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Abstract

A foam generator is provided. According to a foam generation principle, after air enters a foam generator cavity body, for avoiding conditions of single-phase outflowing of a foaming agent and uneven foaming as much as possible, firstly, a spray nozzle structure arranged at the cavity body is utilized for transforming pressure energy of a foaming agent solution at an inlet into kinetic energy to a greater extent; the foaming agent solution is dispersed and atomized by an atomizer after being sprayed; compressed air and the atomized foaming agent solution are fully mixed and then flow to a foam outlet of the foam generator; a dense metal filter screen arranged at the foam outlet ensures that the foaming effect is further improved, and the problem that the air or the foaming agent flows out of the foam generator in a single phase manner does not exist.

Description

【Technical field】 [0001] The invention relates to a foam generator, in particular to a gas foam generator used for oilfield foam flooding and foam drilling. 【Background technique】 [0002] Foam generators are required for foam drilling, foam flooding and other operations in oil production. The commonly used foam generators generally include turbine type, spiral type and pore type. The foaming agent liquid and gas enter the cavity and mix thoroughly, and finally Forms a foamy fluid. When the liquid volume of the foaming agent changes greatly and the gas volume is unstable, the phenomenon of unstable foam quality, simple outgassing and foaming agent solution often occurs, which increases the difficulty of management, prolongs the time of measures, and wastes the foaming agent . 【Content of invention】 [0003] In order to solve the problems in the prior art, the invention provides a foam generator with stable foam quality. [0004] The present invention is achieved through...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F5/02B01F5/06B01F3/04E21B21/14E21B43/22
CPCE21B21/14E21B43/166B01F23/235B01F25/20B01F25/4523
Inventor 袁士宝蒋海岩白俊华赵金省李俊峰胡浩
Owner XI'AN PETROLEUM UNIVERSITY
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