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Rotary ceramic feed valve

A feed valve, rotary type technology, used in sliding valves, valve devices, engine components, etc., can solve the problems of wear of the sealing ring and valve plate, increase the cost, affect the service life, etc., achieve good sealing performance, compensate heat The effect of expansion and contraction, prolonging the service life

Inactive Publication Date: 2015-01-07
诸文伟
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The feed valves used in various dust and particle conveying systems such as thermal power plants, metallurgy, medicine, and chemical industry are usually made of carbon steel. Due to the continuous washing of powder particles, the sealing ring and valve plate are easily worn through. , the sealing performance and wear resistance are poor, and finally the entire feed valve is scrapped, and the service life of the feed valve is short, which not only increases the cost, but also affects the conveying efficiency
If stainless steel is used, the manufacturing cost will be greatly increased
The structure of the traditional feed valve is complicated, and there are often ash stuck and ash, which greatly affects the service life

Method used

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Embodiment Construction

[0014] The present invention will now be further described in conjunction with the accompanying drawings and preferred embodiments. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0015] Such as figure 1 A rotary ceramic feed valve shown has an upper valve body 1 and a lower valve body 2 fixedly and hermetically connected, a valve stem 3 is arranged inside the lower valve body 2, and a valve stem 3 is provided on the side close to the upper valve body 1 The valve plate 4, the valve stem 3 is embedded with a spring 7 connected to the valve plate 4; the upper valve body 1 is provided with a sealing ring 5 at the junction with the valve plate 4, the valve plate 4 is embedded with a gasket 6, and the lower valve body 2 is provided with a There is a feed port 8; the outer wall of the upper valve body 1 is provided ...

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Abstract

The invention relates to the technical field of a valve device and especially relates to a rotary ceramic feed valve. the rotary ceramic feed valve comprises an upper valve body and a lower valve body which are fixedly sealed and connected, a valve rod is arranged in the lower valve body, the valve rod adjacent to one side of the upper valve body is provided with a valve plate in which a spring connected with the valve plate is embedded; the connection position of the upper valve body and the valve plate is provided with a sealing ring; the outer wall of the upper valve body is provided with a spindle which is connected with the valve rod, the upper half part of the spindle is connected with a swinging arm which is connected with a pneumatic device. The rotary ceramic feed valve is rationally designed, prolonged in service life, and resists wear and heat, thus the feed valve is applied to a thermal power plant, and various dust and granule conveying systems in metallurgy, medicine and chemical engineering, it is low in dust deposition and simply maintained, and has excellent sealing performance and long service life, without jamming.

Description

technical field [0001] The invention relates to the technical field of valve equipment, in particular to a rotary ceramic feed valve used in various dust and particle conveying systems in thermal power plants, metallurgy, medicine, chemical industry and the like. Background technique [0002] The feed valves used in various dust and particle conveying systems such as thermal power plants, metallurgy, medicine, and chemical industry are usually made of carbon steel. Due to the continuous washing of powder particles, the sealing ring and valve plate are easily worn through. , The sealing performance and wear resistance are poor, and finally the entire feed valve is scrapped, and the service life of the feed valve is short, which not only increases the cost, but also affects the conveying efficiency. If stainless steel is used, the manufacturing cost will be greatly increased. The structure of the traditional feed valve is complicated, and there are often ash jams and ash accu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K3/04F16K3/30
CPCF16K3/06F16K3/312
Inventor 诸文伟
Owner 诸文伟
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