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Novel dome valve

A dome valve, a new type of technology, applied in the valve details, valve device, valve shell structure and other directions, can solve the problems of insufficient application range, simple structure of the dome valve, short service life, etc., to achieve light weight, compact structure, Long service life effect

Inactive Publication Date: 2014-03-26
KUNSHAN SHANGDAZHI MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the dome valve handles abrasive materials, the expandable pressure sealing ring embedded in the dome valve seat ensures the working pressure difference between the front and rear of the valve. The action material particles slide, which will wear the valve seat and sealing ring. The existing dome valve structure is too simple, large in size, poor in sealing performance, not wear-resistant, short in service life, and not wide enough in scope of application.

Method used

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Embodiment Construction

[0012] refer to figure 1 , figure 2 , the specific embodiment adopts the following technical scheme: it is composed of valve body 1, driven shaft 2, top plate 3, expandable sealing ring 4, dome valve flap 5, drive shaft 6, proximity switch 7, double-acting cylinder 8 , outlet connector 9; the valve body 1 is provided with a driven shaft 2, the upper end of the valve body 1 is provided with a top plate 3, the top plate 3 is provided with an expandable sealing ring 4, and the middle part of the valve body 1 is provided with a dome Valve disc 5, driven shaft 2 is connected with driving shaft 6, proximity switch 7 is provided on one side of valve body 1, one end of valve body 1 is connected with double-acting cylinder 8, and outlet connector 9 is provided at the lower end of valve body 1.

[0013] The shell of the valve body 1 and the dome-shaped disc 5 are both made of ductile iron.

[0014] The material of the expandable sealing ring 4 is neoprene, silicone rubber, fluorine r...

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Abstract

The invention discloses a novel dome valve and relates to the technical field of valves. A driven shaft (2) is arranged in a valve body (1), a top plate (3) is arranged at the upper end of the valve body (1), an expandable sealing ring (4) is arranged in the top plate (3), an arched valve clack (5) is arranged in the middle of the valve body (1), the driven shaft (2) is connected with a driving shaft (6), a proximity switch (7) is arranged on one side of the valve body (1), one end of the valve body (1) is connected with a double-acting air cylinder (8), and an outlet connector (9) is arranged at the lower end of the valve body (1). The novel dome valve is compact in structure, convenient to use, small in size, light, good in sealing effect, resistant to wear and corrosion, long in service life, suitable for processing dusty gas and erosiveness bulk materials and wide in application range.

Description

Technical field: [0001] The invention relates to the technical field of valves, in particular to a novel dome valve. Background technique: [0002] Due to its special structure, the dome valve is usually the preferred valve in pneumatic conveying. The dome valve can cut off the flowing material flow or static material column entering the pressure tank, and then close to achieve sealing, so as to ensure that the filling rate of the pressure tank is 100%. %, and does not need to rely on the level gauge of the sending tank, so the control principle is simple and reliable. [0003] When the dome valve handles abrasive materials, the expandable pressure sealing ring embedded in the dome valve seat ensures the working pressure difference between the front and rear of the valve. The particles of the action material slide and wear the valve seat and sealing ring. The existing dome valve has a simple structure, large volume, poor sealing performance, non-wear resistance, short s...

Claims

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Application Information

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IPC IPC(8): F16K5/06F16K5/08F16K27/06
CPCF16K5/0605F16K5/0657F16K5/0689F16K27/067
Inventor 张荣磊
Owner KUNSHAN SHANGDAZHI MACHINERY
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