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Ceramic A valve

A ceramic valve core and ceramic technology, applied in the direction of valve lift, valve details, valve device, etc., to achieve long service life, reduce energy loss, and simple principle

Pending Publication Date: 2021-05-07
YANTAI KINGWAY SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the invention of this application is to solve the problems existing in the existing strong erosion conditions, and to provide a ceramic A valve, which has many times longer service life than other types of valves, and will not cause erosion penetration and other problems

Method used

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  • Ceramic A valve
  • Ceramic A valve
  • Ceramic A valve

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0021] Such as figure 1 with figure 2 As shown, the ceramic A valve of the present invention includes: a front valve body 1, a front valve inner lining 2, a ceramic middle island sleeve 3, a middle island 4, an upper shaft 6, a ceramic valve core 7, a rear valve ceramic lining 9, a rear Valve body 8, lower shaft 10, valve stem 12, upper shaft ceramic sleeve 5, lower shaft ceramic sleeve 15 and reciprocating shaft 16. The front valve body 1 and the rear valve body 8 are fixed together by connecting pieces. The rear valve body 8 is equipped with a rear valve ceramic lining 9, and the front valve body 1 is equipped with a front valve body lining 2. Along the front valve body The central line of the lining 2 is equipped with a central island 4 and a ceramic central island sleeve 3, the ceramic central island sleeve 3 is set on the central island 4, one end of the central island 4 and the ceramic central island sleeve 3 is sealed, and the outer wall of one end of the ceramic cent...

no. 2 example

[0025] Such as image 3 with Figure 4 As shown, the second embodiment is basically the same as the first embodiment, and the same parts will not be described again. The difference is that there is a tooth groove 20 on the reciprocating shaft 16, and one end of the valve stem 12 extends into the tooth groove 20 and passes through the tooth groove 20. Over the middle island 4 is installed on the ceramic middle island cover 3, there is a gear 19 on the circumference of the valve stem 12 stretching into the tooth groove 20, and a rack is arranged on the side of the tooth groove 20 that is in contact with the gear 19, and the gear 19 and the tooth The bar meshes, and the rotation of the valve rod 12 drives the reciprocating shaft 16 and the ceramic valve core 7 to move left and right along the centerlines of the front valve body 1 and the rear valve body 8.

[0026] The reciprocating shaft 16 drives the ceramic valve core 7 to move forward until the ceramic valve core 7 and the r...

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PUM

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Abstract

The invention discloses a ceramic A valve. The ceramic A valve comprises a front valve body, a front valve body lining, a ceramic island sleeve, an island, an upper shaft, a ceramic valve element, a rear valve ceramic lining, a rear valve body, a lower shaft, a valve rod and a reciprocating shaft, wherein the front valve body and the rear valve body are fixed together through a connecting piece, the island and the ceramic island sleeve are installed in the front valve body lining, the island and the ceramic island sleeve are fixed to the front valve body lining through the lower shaft, the front valve body, the front valve body lining, the ceramic island sleeve and the island are provided with center line holes perpendicular to the front valve body and the rear valve body, the upper shaft penetrates through the holes and is fixed to the front valve body, the lower end of the valve rod sequentially penetrates through the upper shaft and the ceramic island sleeve to enter a valve cavity of the island, the reciprocating shaft coaxial with the center line of the front valve body and the center line of the rear valve body is installed in the valve cavity, one end of the reciprocating shaft is installed at one end of the island, the other end of the reciprocating shaft extends out of the valve cavity and is fixed to the ceramic valve element, the valve rod meshes with the reciprocating shaft, and the valve rod moves up and down to drive the reciprocating shaft and the ceramic valve element to move left and right along the center line of the front valve body and the center line of the rear valve body.

Description

technical field [0001] The invention relates to a valve, in particular to a ceramic A valve. Background technique [0002] At present, in the working condition of strong erosion control valve, the most common eccentric rotary valve, when the valve opening is small, the high-speed medium flow obliquely shoots towards the valve body member, and the erosion is strong, resulting in external leakage and penetration of the valve body. The complete failure of the valve such as valve stem erosion and fracture requires the valve to be taken offline for overhaul or scrapped, and may even cause emergency shutdown or production accidents. Contents of the invention [0003] The purpose of the invention of this application is to solve the problems existing in the existing strong erosion conditions, and provide a ceramic A valve, which has a service life many times longer than other types of valves, and does not cause problems such as erosion penetration. [0004] In order to realize th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/00F16K31/53F16K27/02F16K41/02F16K47/02
CPCF16K1/00F16K27/0254F16K31/53F16K41/02F16K47/02
Inventor 冯一桀金浩军
Owner YANTAI KINGWAY SCI & TECH