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Maze type sleeve regulating valve

A sleeve regulating valve and labyrinth type technology, applied in the field of regulating valve, can solve the problems of long production cycle, high machining accuracy and high manufacturing cost, and achieve the effects of simple manufacturing process, reduced production cycle and lower product cost.

Active Publication Date: 2018-12-07
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although the existing labyrinth regulating valve has the above-mentioned many advantages, it is difficult to manufacture, has high processing precision, high manufacturing cost, and long production cycle.

Method used

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  • Maze type sleeve regulating valve
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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0024] figure 1 and figure 2 This invention relates to a schematic structural diagram of a labyrinth sleeve regulating valve, which mainly consists of a valve body 1, a valve seat 2, a labyrinth assembly 3, a valve core 4, a balance seal ring 5, an upper sleeve 6, a valve cover 7, a valve Rod 8, sealing assembly 9, are made up of nine parts. Wherein, the labyrinth component 3 is made up of three parts of lower ring 31, disk 32, upper ring 33.

[0025] A gasket is installed between the valve body 1 and the valve seat 2, and a gasket is respectively installed between the valve cover 7, the valve body 1 and the upper sleeve 6, and a fixed connection is used between the valve body 1 and the valve cover 7.

[0026] The labyrinth assembly 3 is composed of a lower ring 31 , ...

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Abstract

The invention relates to a maze type sleeve regulating valve. The maze type sleeve regulating valve comprises a valve body, a valve seat, a maze assembly, a valve element, a balance sealing ring, an upper sleeve, a valve cover, a valve rod and a sealing assembly. The maze type sleeve regulating valve realizes stable multi-stage pressure reduction through circular slots with different diameters, which are distributed on front and back surfaces of discs. The diameters of the circular slots are gradually increased from inside to outside; and after each disc is fixed, the circular slot formed between every two adjacent discs co-acts to form a runner with an over-flow section gradually increasing from inside to outside. The runner which can be gradually widened can effectively avoid occurrenceof harm such as cavitation, and can prevent the valve from generating vibrations and noises. Besides, compared with an existing maze type regulating valve, the maze type sleeve regulating valve has the advantages of being simple in manufacturing process, convenient to mount, safe and reliable, and the like, realizes reducing processing working hours, and reduces the cost.

Description

technical field [0001] The invention relates to a regulating valve, in particular to a labyrinth sleeve regulating valve. Background technique [0002] High temperature and high pressure regulating valves are widely used in power stations, metallurgy, petrochemical and many other industries. Problems such as cavitation, noise and vibration of high temperature and high pressure regulating valves have always been difficult to solve. In the 1990s, the labyrinth regulating valve was successfully developed. This is a regulating valve with high technical content at present. It has successfully solved the problems such as cavitation, high noise, and vibration encountered by common control valves. It has been applied in the desuperheating water of power plant boilers, the minimum flow control of feed water pumps, and other flow adjustments. However, although the existing labyrinth regulating valve has the above-mentioned many advantages, it is difficult to manufacture, has high pr...

Claims

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Application Information

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IPC IPC(8): F16K47/04F16K1/36F16K1/00F16K27/02
CPCF16K1/00F16K1/36F16K27/02F16K47/04
Inventor 朱荣生安策王秀礼卢永刚陈一鸣
Owner JIANGSU UNIV
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