Mixer capable of adjusting foam liquid ratio

A technology of foam liquid and mixer, which is applied in the direction of fluid mixer, mixer, mixing method, etc., can solve the problems of unstable working mixing ratio, insufficient foam liquid storage, large pressure loss, etc., and achieve high reliability and large The effect of foam liquid storage and avoiding water pressure fluctuations

Pending Publication Date: 2019-12-03
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of unstable working mixing ratio, large pressure loss, low reliability and insufficient foam liquid storage caused by the mixing ratio range of more than 6% in the existing foam proportioning mixer, and proposes an adjustable foam The liquid ratio mixer not on

Method used

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  • Mixer capable of adjusting foam liquid ratio
  • Mixer capable of adjusting foam liquid ratio
  • Mixer capable of adjusting foam liquid ratio

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Example Embodiment

[0037] The present invention will be further explained below in conjunction with the drawings:

[0038] Such as Figure 1-9 As shown, a mixer capable of adjusting the ratio of foam liquid includes a mixing pipe 1, a first pipe 2, a second pipe 3, a hydraulic film actuator 4, a control valve 5, a support 6 and an upper adjustment module 7; The upper adjustment module 7, the hydraulic film actuator 4, the support 6, the control valve 5 and the mixing pipe 1 are connected in sequence from top to bottom. The two ends of the first pipe 2 are connected to the hydraulic membrane actuator 4 and the mixing pipe 1 respectively, and the two ends of the second pipe 3 are connected to the hydraulic membrane actuator 4 and the control valve 5 respectively.

[0039] The mixing pipe 1 is placed horizontally, one end of the mixing pipe 1 is an inlet for fire-fighting water, and the other end of the mixing pipe 1 is an outlet for the mixed liquid; the upper end of the mixing pipe 1 close to the inl...

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PUM

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Abstract

The invention discloses a mixer capable of adjusting foam liquid ratio. The mixer comprises a mixing pipe, a first pipeline, a second pipeline, a hydraulic film actuator, a control valve, a support and an upper end adjusting module. The upper end adjusting module, the hydraulic film actuator, the support, the control valve and the mixing pipe are sequentially connected from top to bottom; the control valve comprises a valve body, a valve seat, a valve rod, a valve clack and a middle partition layer; the hydraulic film actuator comprises an actuator upper shell, an actuator lower shell, a rubber thin film, a thin film pressing sleeve, a thin film lower support, an actuating mechanism stepped rod, a packing threaded sleeve, a pressing sleeve nut and a packing box; the upper end adjusting module comprises a fixing flange, a flange end cover, a valve cover, an adjusting spring, a guide sleeve, an adjusting spring upper support, an adjusting spring lower support, an adjusting screw and a locking nut. The design of the hydraulic film actuator is capable of solving a problem of the mixing ratio of the foam liquid effectively solved, controlling the mixing ratio to be 3%-6%, and achievinghigh reliability and larger foam liquid storage capacity.

Description

Technical field [0001] The invention relates to the technical field of mixers, and more specifically, to a mixer capable of adjusting the ratio of foam liquid. Background technique [0002] The foam liquid proportional mixer is the core equipment and key component of the foam fire extinguishing system. It is a kind of mixing the concentrated foam liquid stored in the foam liquid storage tank and the flowing water of the connected device according to the required ratio to form an ideal Foaming device for fire-extinguishing foam fire-fighting fluid. Its purpose is to continuously produce a mixture of foam liquid that meets the requirements and be used in fire-fighting foam extinguishing operations and fire prevention. The performance of the foam extinguishing system is directly related to the success or failure of the foam fire extinguishing system. The foam fire extinguishing system has the advantages of reliable installation, economical and practical, and high fire-fighting effi...

Claims

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Application Information

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IPC IPC(8): B01F3/04B01F5/06A62C5/02F16K1/36F16K31/385F16K37/00
CPCF16K37/00F16K31/385F16K1/36A62C5/02B01F23/235B01F25/431
Inventor 李亚飞黄斌赵芮蔡姚杰
Owner ZHEJIANG UNIV OF TECH
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