CN210770379U - Ceramic ball valve - Google Patents
Ceramic ball valve Download PDFInfo
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- CN210770379U CN210770379U CN201921682190.4U CN201921682190U CN210770379U CN 210770379 U CN210770379 U CN 210770379U CN 201921682190 U CN201921682190 U CN 201921682190U CN 210770379 U CN210770379 U CN 210770379U
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Abstract
The utility model relates to a ceramic ball valve, which comprises a left valve body, a right valve body, a middle valve body, an engineering ceramic left body, an engineering ceramic right body, an engineering ceramic ball body, an engineering ceramic middle body, a split valve rod structure, a spring, an upper valve cover, a handle and a pressing block; the handle is arranged on the upper valve cover; the middle valve body is positioned between the left valve body and the right valve body, and the engineering ceramic ball body is arranged between the engineering ceramic left body and the engineering ceramic right body; the compressing block is positioned between the upper valve cover and the engineering ceramic middle body; the split valve rod structure adopts an inverted valve rod structure; the split valve rod structure comprises an engineering ceramic valve rod and a stainless steel valve rod; the engineering ceramic valve rod and the stainless steel valve rod are clamped together. The utility model discloses the valve rod comprises stainless steel and engineering ceramics two parts. In order to prevent the valve rod from flying out under high pressure and take safe use into consideration, a flip-chip valve rod structure is designed. The utility model discloses increased butterfly spring structure, the elasticity of butterfly spring makes the sealing performance of valve safe and reliable more.
Description
Technical Field
The utility model relates to a ball valve, concretely relates to prevent that valve rod from flying out under high pressure, and the sealing performance of valve safe and reliable's ceramic ball valve more.
Background
The coal industry is the basic industry of national economy in China, and the pattern of China taking coal as main energy does not change fundamentally within fifty years in the future. Therefore, coal mining is emphasized, the quality of coal is improved, and the career related to the national population is still very concerned in China.
Coal directly mined from a mine is called raw coal. The raw coal is mixed with a plurality of impurities in the process of mining, and ash content, inorganic sulfur, various gangue and the like with different sizes are carried, so the raw coal must pass through the coal washing processing procedure. Through coal washing, coal and gangue are separated, impurities, ash content and sulfur content in raw coal are removed, the quality of the raw coal is improved, the utilization rate of the coal is improved, and the transportation cost of the coal is reduced. The clean coal after coal washing greatly reduces the emission of fire coal pollutants, and the application enterprises can reduce the emission and are environment-friendly.
In the coal washing process, the conveying pipeline contains a large amount of water crushed materials (such as slag slurry, crushed particles and the like), the flow velocity of media in the pipeline is high, and the valve is easy to erode. The general carbon steel valve is damaged without a few days of use, the output of a coal washing plant is seriously influenced by frequent shutdown and valve adjustment, and the valve plant is urgently eager to provide a valve which is corrosion-resistant, wear-resistant and long in service life.
The metal sealing valve has been used for hundreds of years, and is continuously improved in structure and material, but the requirements of severe working conditions such as high abrasion, strong corrosion and the like at the present stage cannot be met due to the limitation of the self condition of the metal valve. We must innovate from the aspects of valve materials, structures, manufacturing processes and the like, and research and develop a new generation of valve suitable for the severe working conditions.
After the 21 st century, the national department of science and technology has placed high-performance ceramic materials into the national key scientific research projects, and the research on structural ceramics is very active at present. Shanghai Corrosion-resistant valve group Limited company considers that the ceramic valve has good development prospect, and develops the alumina and zirconia nano-grade complex-phase engineering ceramic in close cooperation with Shanghai colleges and universities. After years of actual combat, the company forms a complete technological process for hot-pressing and sintering engineering ceramics.
SUMMERY OF THE UTILITY MODEL
To the above problem, the main object of the present invention is to provide a ceramic ball valve which prevents the valve rod from flying out under high pressure and has a sealing performance of the valve more safe and reliable.
The utility model discloses a solve above-mentioned technical problem through following technical scheme: a kind of ceramic ball valve, this ceramic ball valve is a kind of valve that can bear the strong corrosion, resist the high temperature, stand wear and tear type medium, the sealing performance is good, mount on medium pipeline; the ceramic ball valve includes: the valve comprises a left valve body, a right valve body, a middle valve body, an engineering ceramic left body, an engineering ceramic right body, an engineering ceramic ball body, an engineering ceramic middle body, a split type valve rod structure, a spring, an upper valve cover, a handle and a pressing block.
The handle is arranged on the upper valve cover; the middle valve body is positioned between the left valve body and the right valve body, and the engineering ceramic ball body is arranged between the engineering ceramic left body and the engineering ceramic right body; the compressing block is positioned between the upper valve cover and the engineering ceramic middle body; and a packing spring and a sealing packing are arranged between the upper valve cover and the pressing block.
The split valve rod structure adopts an inverted valve rod structure; the split valve rod structure comprises an engineering ceramic valve rod and a stainless steel valve rod; the engineering ceramic valve rod and the stainless steel valve rod are clamped together.
The first group is arranged between the left valve body and the engineering ceramic left body; the second group is arranged between the right valve body and the right engineering ceramic body.
In a specific embodiment of the present invention; split type valve rod structure includes: a counter bore is formed in the position, contacting the engineering ceramic valve rod, of the stainless steel valve rod, a bulge is arranged on the corresponding portion of the engineering ceramic valve rod, and the bulge is aligned to the counter bore to be installed.
In a specific embodiment of the present invention; the packing spring is positioned among the upper valve cover, the pressing block, the sealing packing and the stainless steel valve rod; the sealing filler is positioned between the filler spring, the pressing block, the engineering ceramic middle body and the engineering ceramic valve rod.
In a specific embodiment of the present invention; the spring is a butterfly spring.
In a specific embodiment of the present invention; one end of the butterfly spring is fixed in the engineering ceramic left body and the engineering ceramic right body, the other end of the butterfly spring is supported on the left valve body and the right valve body, and an angle is formed between the butterfly spring and the engineering ceramic left body and between the butterfly spring and the engineering ceramic right body.
In a specific embodiment of the present invention; the range of the angle is as follows: 20-70 degrees.
In a specific embodiment of the present invention; the engineering ceramic ball body is provided with a groove, the corresponding part of the engineering ceramic valve rod is provided with a bulge, and the bulge is aligned with the engineering ceramic ball body and is provided with the groove.
In a specific embodiment of the present invention; the handle is fixed on the upper valve cover through the positioning sheet and the locking nut.
In a specific embodiment of the present invention; the left valve body and the right valve body are fixed together through a stud and a nut.
In a specific embodiment of the present invention; and an O-shaped sealing ring is arranged between the engineering ceramic middle body and the engineering ceramic left body and between the engineering ceramic right body.
The utility model discloses an actively advance the effect and lie in: the utility model provides a ceramic ball valve has following advantage: 1. the valve rod is designed to be split, and consists of two parts, namely stainless steel and engineering ceramic. In order to prevent the valve rod from flying out under high pressure and take safe use into consideration, a flip-chip valve rod structure is designed.
2. In order to make the sealing performance more excellent, a butterfly spring structure is added, and the elastic force of the butterfly spring makes the sealing performance of the valve safer and more reliable.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the middle split valve rod of the present invention.
Fig. 3 is a schematic structural diagram of a butterfly spring in the present invention.
Detailed Description
The following provides a preferred embodiment of the present invention with reference to the accompanying drawings to explain the technical solutions of the present invention in detail.
Fig. 1 is a schematic view of the overall structure of the present invention, as shown in fig. 1, the present invention provides a ceramic ball valve, which is a valve capable of resisting strong corrosion, high temperature and abrasion, has good sealing performance, and is installed on a medium pipeline; the ceramic ball valve includes: the valve comprises a left valve body 1, a right valve body 17, a middle valve body 16, an engineering ceramic left body 2, an engineering ceramic right body 15, an engineering ceramic ball body 3, an engineering ceramic middle body 6, a split type valve rod structure 21, a spring 4, an upper valve cover 11, a handle 8 and a pressing block 20.
The handle 8 is fixedly arranged on the upper valve cover 11; the middle valve body 16 is positioned between the left valve body 1 and the right valve body 17, and the engineering ceramic ball 3 is arranged between the engineering ceramic left body 2 and the engineering ceramic right body 15; the compression block 20 is positioned between the upper valve cover 11 and the engineering ceramic middle body 6; and a packing spring 13 and a sealing packing 7 are arranged between the upper valve cover 11 and the pressing block 20.
Fig. 2 is a schematic structural view of the middle split valve rod of the present invention. As shown in fig. 2: the split valve rod structure 21 adopts an inverted valve rod structure; the split valve rod structure 21 comprises an engineering ceramic valve rod 14 and a stainless steel valve rod 12; both the engineered ceramic valve stem 14 and the stainless steel valve stem 12 snap together.
The split type valve rod structure 21 includes: a counter bore 121 is formed in the position, where the stainless steel valve rod 12 contacts the engineering ceramic valve rod 14, a protrusion 141 is arranged on the corresponding portion of the engineering ceramic valve rod 14, and the protrusion 141 is aligned with the counter bore 121 for installation.
Fig. 3 is a schematic structural diagram of a butterfly spring in the present invention. The spring 4 comprises two groups, and the first group is arranged between the left valve body 1 and the engineering ceramic left body 2; the second group is installed between the right valve body 17 and the right engineering ceramic body 15. The spring 4 is a butterfly spring. The one end of butterfly spring is fixed at engineering pottery left side body, the engineering pottery right side internally, and the other end top is on left valve body, right valve body, presents an angle between butterfly spring and the engineering pottery left side body, the engineering pottery right side body, and at specific implementation, the scope of this angle is generally selected to be: 20-70 degrees.
The packing spring 13 is positioned among the upper valve cover 11, the pressing block 20, the sealing packing 7 and the stainless steel valve rod 12; the sealing packing 7 is positioned between the packing spring 13, the pressing block 20, the engineering ceramic middle body 6 and the engineering ceramic valve rod 14.
In a specific embodiment, the engineering ceramic ball 3 is provided with a groove, and a corresponding part of the engineering ceramic valve rod is provided with a protrusion, and the protrusion is aligned with the engineering ceramic ball and provided with the groove. The handle 8 is fixed on the upper valve cover 11 through a positioning sheet 10 and a locking nut 9. The left valve body 1 and the right valve body 17 are fixed together by a stud 19 and a nut 18. An O-shaped sealing ring 5 is arranged between the engineering ceramic middle body 6 and the engineering ceramic left body 2 and the engineering ceramic right body 15.
Casting the left valve body, the right valve body, the middle valve body, the upper valve cover and the like of the steel part by using the casting model, and performing metal processing to obtain the drawing size. And (3) processing the engineering ceramic left body, the engineering ceramic right body, the engineering ceramic middle body, the engineering ceramic ball body and the engineering ceramic valve rod by a sintering molding method. And then, machining a left valve body, a right valve body and the like of the steel casting, wherein the relative size and surface precision are required to meet the requirements of a drawing.
The utility model discloses an installation step: and respectively installing the left valve body, the right valve body and the middle valve body into the butterfly spring, the engineering ceramic left body, the engineering ceramic right body and the engineering ceramic middle body. Fixing the middle valve body on a bench vice, loading an engineering ceramic sphere, loading an O-shaped sealing ring on the engineering ceramic bodies of the left and right valve body assemblies, connecting the left and right valve body assemblies with the middle valve body, adjusting the position of the engineering ceramic sphere, penetrating a stud into the left and right valve bodies, screwing a nut, symmetrically and uniformly locking the valve bodies, then loading a split valve rod, loading F4 sealing filler, loading a filler spring and loading an upper valve cover. Finally, the handle is arranged, and the positioning piece is screwed into the locking nut.
The utility model provides a ceramic ball valve, the during operation drives the rotation that 90 scopes were done to the ceramic spheroid by the stainless steel handle for feed through or cut the medium in the pipeline. The inverted valve rod avoids the danger that the valve rod rushes out of the body due to pressure change, and ensures the safety and reliability of use. Because fluoroplastics lining ball valve has a lot of not enoughly in some special operating modes in the use, has a lot of places to need to improve in its valve body structure, the utility model provides a this kind of ceramic ball valve.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (10)
1. A kind of ceramic ball valve, this ceramic ball valve is a kind of valve that can bear the strong corrosion, resist the high temperature, stand wear and tear type medium, the sealing performance is good, mount on medium pipeline; the method is characterized in that: the ceramic ball valve includes: the valve comprises a left valve body, a right valve body, a middle valve body, an engineering ceramic left body, an engineering ceramic right body, an engineering ceramic ball body, an engineering ceramic middle body, a split type valve rod structure, a spring, an upper valve cover, a handle and a pressing block;
the handle is arranged on the upper valve cover; the middle valve body is positioned between the left valve body and the right valve body, and the engineering ceramic ball body is arranged between the engineering ceramic left body and the engineering ceramic right body; the compressing block is positioned between the upper valve cover and the engineering ceramic middle body; a packing spring and a sealing packing are arranged between the upper valve cover and the pressing block;
the split valve rod structure adopts an inverted valve rod structure; the split valve rod structure comprises an engineering ceramic valve rod and a stainless steel valve rod; the engineering ceramic valve rod and the stainless steel valve rod are clamped together;
the first group is arranged between the left valve body and the engineering ceramic left body; the second group is arranged between the right valve body and the right engineering ceramic body.
2. The ceramic ball valve of claim 1, wherein: split type valve rod structure includes: a counter bore is formed in the position, contacting the engineering ceramic valve rod, of the stainless steel valve rod, a bulge is arranged on the corresponding portion of the engineering ceramic valve rod, and the bulge is aligned to the counter bore to be installed.
3. The ceramic ball valve of claim 1, wherein: the packing spring is positioned among the upper valve cover, the pressing block, the sealing packing and the stainless steel valve rod; the sealing filler is positioned between the filler spring, the pressing block, the engineering ceramic middle body and the engineering ceramic valve rod.
4. The ceramic ball valve of claim 1, wherein: the spring is a butterfly spring.
5. The ceramic ball valve of claim 4, wherein: one end of the butterfly spring is fixed in the engineering ceramic left body and the engineering ceramic right body, the other end of the butterfly spring is supported on the left valve body and the right valve body, and an angle is formed between the butterfly spring and the engineering ceramic left body and between the butterfly spring and the engineering ceramic right body.
6. The ceramic ball valve of claim 5, wherein: the range of the angle is as follows: 20-70 degrees.
7. The ceramic ball valve of claim 1, wherein: the engineering ceramic ball body is provided with a groove, the corresponding part of the engineering ceramic valve rod is provided with a bulge, and the bulge is aligned with the engineering ceramic ball body and is provided with the groove.
8. The ceramic ball valve of claim 1, wherein: the handle is fixed on the upper valve cover through the positioning sheet and the locking nut.
9. The ceramic ball valve of claim 1, wherein: the left valve body and the right valve body are fixed together through a stud and a nut.
10. The ceramic ball valve of claim 1, wherein: and an O-shaped sealing ring is arranged between the engineering ceramic middle body and the engineering ceramic left body and between the engineering ceramic right body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921682190.4U CN210770379U (en) | 2019-09-29 | 2019-09-29 | Ceramic ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921682190.4U CN210770379U (en) | 2019-09-29 | 2019-09-29 | Ceramic ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210770379U true CN210770379U (en) | 2020-06-16 |
Family
ID=71048469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921682190.4U Active CN210770379U (en) | 2019-09-29 | 2019-09-29 | Ceramic ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210770379U (en) |
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2019
- 2019-09-29 CN CN201921682190.4U patent/CN210770379U/en active Active
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