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Conically sealed microjet homogenizing valve

A technology of jet valve and microporous flow channel, which is applied in the direction of fluid mixer, dissolution, mixer, etc., and can solve the problems of small processing capacity and limited wide application

Inactive Publication Date: 2014-02-19
BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the micro-channels formed by the valve body structure of the micro-jet homogenization technology are mostly a single channel or two channels with different spatial shapes, and the processing capacity per unit time is small; existing valves with multiple micro-channels Due to the sealing problem, multiple independent micro-fluidic flow channels in the actual sense have not been formed, which limits the wide application of this technology.

Method used

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  • Conically sealed microjet homogenizing valve
  • Conically sealed microjet homogenizing valve
  • Conically sealed microjet homogenizing valve

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Embodiment Construction

[0012] see figure 1 and figure 2 , the cone-sealed micro-channel homogeneous valve disclosed in the present invention is composed of a valve core 5 and a valve seat 6 closely matched by a conical surface. The tapered surface of the ring 2 is against the end face of the sleeve 4, and the sleeve 4 and the top ring 2 are locked by the lock nut 3, and the valve core 5 and the valve seat 6 are pressed laterally.

[0013] After the valve seat 6 is attached to the valve core 5 and pressed tightly by the lock nut 3, the micro-channel is isolated from each other at the linear seal of the tapered surface between the valve seat 6 and the valve core 5, and the micro-size of the micro-channel is maintained, thereby Ensure the miniaturization effect of material handling. The feed liquid is pressurized and passes through the micro-channels radially distributed along the cone surface at high speed, and then collides with the inner wall of the sleeve 4, and is collected and discharged by th...

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Abstract

The invention discloses a homogenizing device applying a conically sealed structure. The key parts of the device are a conical valve element (6) and a conical-hole-shaped valve pedestal (5). Micro-fine groove structures are engraved on a conical surface of the valve element, a plurality of radial micro-fine runners are formed when a valve body works. The conical end face of the valve element is fitted with a conical hole of the valve pedestal and is pressed by external force to form conical seal, and the conical seal is linear seal, so that the independence of a plurality of micropore runners and the micro-fine effect of homogenizing are guaranteed. The valve element and the valve pedestal are separated after a valve hole is blocked, so as to clear up the micro runners, and after grooves are worn out, the conical surface of the valve element is processed again and the grooves are engraved again.

Description

technical field [0001] The invention relates to a micro-jet flow homogeneous valve using conical surface sealing, which is characterized in that a plurality of independent radial micropore flow channels are formed on the conical surface structure. Background technique [0002] Micro-jet homogenization technology is widely used in the micro-processing of liquid-liquid and liquid-solid mixtures. It is a method that uses high-speed micro-jet to produce shear, pressure release, impact, friction, etc. to make products miniaturized or even undergo physical and chemical changes. method. It has outstanding advantages in the degree of miniaturization of products, and is a practical technology with development potential. [0003] At present, the micro-channels formed by the valve body structure of the micro-jet homogenization technology are mostly a single channel or two channels with different spatial shapes, and the processing capacity per unit time is small; existing valves with m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F5/02
Inventor 刘斌吴雪冯涛
Owner BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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