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High-pressure water descaling two-way valve

A two-way valve, ultra-high pressure technology, applied in the direction of valve lift, valve details, valve device, etc., can solve the problems of short service life of components, complex structure, etc.

Inactive Publication Date: 2007-02-28
丛志华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is a descaling two-way valve designed with reference to the hydraulic cone valve. The structure is complex and the service life of the components is short. It needs to be replaced after about three months, which brings a lot of trouble to the production.

Method used

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  • High-pressure water descaling two-way valve

Examples

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Embodiment Construction

[0005] The object of the present invention is achieved in the following way: the two-way valve is a first-stage pilot, and the low-pressure medium is controlled. The pilot part adopts the piston type, the main valve is a cone-type auxiliary valve core, and the pilot piston and the main valve are installed in the same valve body. Its principle is: drive the auxiliary spool through the designed supercharger to control the opening and closing effect of the online descaling nozzle. The supercharger is composed of a piston and a plunger; the auxiliary valve core is used to create a space for the main valve cavity to accommodate the plunger, valve sleeve, valve seat and the main pipeline. Setting a damping hole on the web of the auxiliary spool not only balances the force on both sides of the web of the spool and minimizes the force driving the spool, but the size of the damping hole also determines the movement of the spool. Speed, and the effect of slowing down the closing impact...

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Abstract

The invention relates to a high-pressure water scale removal two-way valve, whose working pressure is 38MPa, wherein the invention is characterized in that: said two-way valve is the lead, controlled by low-pressure medium; the lead piston and the valve rod form the booster, with the auxiliary valve pin fixed on the end of valve rod, to be inserted into one valve; via the motion of piston, the auxiliary valve pin can close and open the two-way valve; the web of valve pin has damping hole, to balance two side functions and release the switch impact of two-way valve. The invention has the advantages that: it has simple structure, high working pressure, long service life, and reliable operation.

Description

technical field [0001] The new high-pressure water descaling two-way valve is often used to control the opening and closing of the high-pressure water descaling nozzle of hot-rolled steel, and it is an important technical measure to ensure the surface quality of the rolled piece. Background technique [0002] In recent years, due to the higher requirements on the descaling force of the hot-rolled steel production line, the design of the descaling two-way valve has become more and more strict. Currently, there is a descaling two-way valve designed with reference to the hydraulic cone valve. The structure is complex, and the service life of the components is short. It needs to be replaced in about three months, which brings a lot of trouble to the production. Contents of the invention [0003] The invention relates to a 38MPa high-pressure water descaling two-way valve: the functions include one-way, throttling and reversing. Generally, the pilot control medium of the hydra...

Claims

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Application Information

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IPC IPC(8): F16K1/00F16K31/122
Inventor 丛书和丛志华周新纯
Owner 丛志华
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