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Ceramic rotary cone valve

Inactive Publication Date: 2013-07-10
烟台明珠陶瓷科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Cone valves have the advantages of high temperature resistance, corrosion resistance, wear resistance, erosion resistance, etc., and are widely used in various acid-base salt gases, liquids, high-temperature steam in chemical industry, metallurgy, papermaking, electric power, medicine, environmental protection and other industries And the slurry conveying system, after a long time of use, the ordinary metal cone valve will wear and tear between the valve core and the middle body to form a gap and cause leakage, so it can only be scrapped, so the metal cone valve has short service life and high cost of use. high problem

Method used

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  • Ceramic rotary cone valve
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The ceramic cone valve of this embodiment, refer to figure 1 , Figure 11-14 , Including the shell 4, the shell 4 is a metal shell, the shell 4 is a split structure, the shell 4 is threaded with the flange 5, and the shell 4 is provided with a middle body 2, which is made of ceramic, The middle body 2 is tightly sleeved with a ceramic valve core 1, which has a thick upper cone and a thin upper cone. The cone of the ceramic valve core 1 is 4 degrees. The outer periphery of the middle body 2 is provided with a ceramic flange lining 3. The ceramic valve core 1 is provided with a regulating pressure ring 6 above the regulating pressure ring 6 is connected with a regulating pressure plate 7, and the regulating pressure plate 7 is threadedly connected with the housing 4, a valve stem 9 is installed on the ceramic valve core 1, and a ceramic valve core 1 A stem hole 14 is provided at the top, a through hole 11 is provided in the middle of the ceramic valve core 1, and the throu...

Embodiment 2

[0044] The ceramic cone valve of this embodiment, refer to Figure 2-A , Figure 2-B , Picture 9 , Picture 10 , Figure 13 , Figure 15 , Including the shell 4, the shell 4 is formed by welding or threaded connection of two metal shells. The shell 4 is provided with a middle body 2, which is made of ceramic, and the inner body 2 is tightly fitted with a sleeve There is a ceramic valve core 1. The ceramic valve core 1 has a thick upper cone and a thin upper cone. The cone of the ceramic valve core 1 is 4 degrees. The outer periphery of the middle body 2 is provided with a ceramic flange lining 3, and the ceramic valve core 1 is provided above There is a regulating pressure ring 6, a regulating pressure plate 7 is connected above the regulating pressure ring 6, and the regulating pressure plate 7 is threadedly connected with the housing 4. The ceramic valve core 1 is equipped with a valve stem 9 whose outer circumference is sealed by graphite. The ceramic valve core 1. A valve s...

Embodiment 3

[0046] The ceramic cone valve of this embodiment, refer to Figure 2-C , Figure 2-D , Picture 11 , Picture 12 , Figure 13 , Figure 16 , Including the shell 4, the shell 4 is a metal shell, the shell 4 is a split structure, the shell 4 is screwed with the flange pressure ring 10, the shell 4 is provided with a middle body 2 which is made of ceramic The middle body 2 is fitted with a ceramic valve core 1 in a tight fit. The ceramic valve core 1 has a thick top and a thin upper cone. The taper of the ceramic valve core 1 is 4 degrees. The center body 2 is provided with a ceramic flange lining. 3. The ceramic flange lining 3 is provided with a step 12, the ceramic valve core 1 is provided with a regulating pressure ring 6 above the regulating pressure ring 6 is connected with a regulating pressure plate 7, and the regulating pressure plate 7 is threadedly connected with the shell 4. A valve stem 9 is installed on the valve core 1, the top of the ceramic valve core 1 is provided...

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Abstract

The invention relates to a rotary cone valve, in particular relates to a ceramic rotary cone valve, and belongs to the technical field of rotary cone valves. The ceramic rotary cone valve comprises a shell, wherein the shell is a metal shell or a ceramic shell, has a split structure or an integrated structure, and is in threaded connection with a flange or a flange pressing ring; an intermediate is arranged in the shell and is made of ceramics or polytetrafluoroethylene; and a ceramic valve core is sleeved in the intermediate in a close fit manner. According to the ceramic rotary cone valve, a clearance between the ceramic valve core and the intermediate can be adjusted, so that an optimal sealing effect is achieved; a ceramic flange liner is in close fit with the flange pressing ring through an additionally arranged step, so that the problem that the ceramic flange liner easily drops off at high temperature in the prior art is solved; the intermediate can be made of a polytetrafluoroethylene material, so that the ceramic rotary cone valve is high in sealing performance, cannot be scratched, is small in torque, and is smoothly turned on and turned off; and with the structure, the ceramic rotary cone valve is long in service life and low in using cost.

Description

Technical field [0001] The invention relates to a spin cone valve, in particular to a ceramic spin cone valve, and belongs to the technical field of spin cone valves. Background technique [0002] The rotary cone valve has the advantages of high temperature resistance, corrosion resistance, abrasion resistance, erosion resistance, etc., and is widely used in various acid-base salt gases, liquids, high-temperature steam in chemical, metallurgy, papermaking, electric power, medicine, environmental protection and other industries And the slurry conveying system, the ordinary metal cone valve will wear out between the valve core and the middle body after a long time, which will cause leakage, which can only be scrapped. Therefore, the metal cone valve has a short service life and a cost of use. High question. Summary of the invention [0003] The purpose of the present invention is to solve the above-mentioned shortcomings of the prior art and provide a ceramic rotary cone valve with...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/02F16K5/08
Inventor 步志俊
Owner 烟台明珠陶瓷科技有限公司
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