CN216618582U - Spherical linear sealing heat-preservation butterfly valve special for maleic anhydride - Google Patents
Spherical linear sealing heat-preservation butterfly valve special for maleic anhydride Download PDFInfo
- Publication number
- CN216618582U CN216618582U CN202122632619.2U CN202122632619U CN216618582U CN 216618582 U CN216618582 U CN 216618582U CN 202122632619 U CN202122632619 U CN 202122632619U CN 216618582 U CN216618582 U CN 216618582U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- butterfly
- spherical
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lift Valve (AREA)
- Valve Housings (AREA)
Abstract
The utility model relates to the technical field of butterfly valve equipment, and discloses a special spherical line sealing heat-preservation butterfly valve for maleic anhydride. Make the material difficult problem that leads to the valve to close not tight because of the phenomenon that the long-pending material appears in the in-process that flows in the pipeline to the jacket adopts the structural design of two advances two plays to let steam circulate the speed in the pipeline and accelerate, is difficult for producing ponding in the jacket when making the heat transfer efficiency of steam obtain improving, has improved the heat preservation effect of jacket.
Description
Technical Field
The utility model relates to the technical field of butterfly valve equipment, in particular to a special spherical linear sealing heat-preservation butterfly valve for maleic anhydride.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, can be used for on-off control of low-pressure pipeline media, and is widely applied to control the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. Special butterfly valves are required in piping systems in various industrial fields.
The special spherical line sealed heat preservation butterfly valve of existing maleic anhydride adopts the sealed design of three eccentrics multilayer face to reach sealed effect, but the phenomenon of long-pending material appears easily when the material at the in-process that the pipeline flows and leads to the valve to close not tight, influences the result of use of butterfly valve, it is mostly an one-in one-out formula to add the cover of establishing in the special spherical line sealed heat preservation butterfly valve of existing maleic anhydride simultaneously for the heat preservation effect of butterfly valve is relatively poor, for this reason we provide a special spherical line sealed heat preservation butterfly valve of maleic anhydride.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a special spherical linear sealing heat-preservation butterfly valve for maleic anhydride, which is used for solving the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a special spherical line seal heat preservation butterfly valve of maleic anhydride, includes valve body and drive arrangement, the outside of valve body is provided with the steam port, the inside of steam port is provided with presss from both sides the cover, the inside movable mounting of valve body has the butterfly plate, and the butterfly plate is sealed for the spherical line with the valve body all around.
A spherical line sealing ring which is matched with each other is arranged between the interior of the valve body and the butterfly plate, an inner spherical cambered surface is arranged at the joint of the interior of the valve body and the butterfly plate, and an outer spherical cambered surface is arranged around the butterfly plate.
The pneumatic valve is characterized in that a valve shaft is fixedly connected to the output end of the driving device, pneumatic actuators are arranged on the left side and the right side of the driving device, the driving device is fixedly connected with the valve body through a support, and a sealing shaft sleeve is arranged between the valve body and the valve shaft.
Preferably, a valve seat is fixedly mounted inside the valve body, a ball-shaped linear sealing ring is arranged between the valve seat and the butterfly plate, a flange is fixedly connected to a valve port of the valve body, a packing gland with sealing packing is connected to the upper end of the valve body, a blind cover is arranged at the bottom end of the valve body, and sealing gaskets are additionally arranged between the valve body and the valve seat and between the valve body and the blind cover.
Preferably, the number of the steam ports is four, and the steam ports are respectively two inlets and two outlets.
Preferably, the top and the bottom of the butterfly plate are both fixedly provided with a pressing plate, the pressing plate is fixedly connected with the outer side of the rib plate through a fastening screw, a sealing element is additionally arranged between the pressing plate and the rib plate, the inner side of the rib plate is fixedly provided with a shaft sleeve through the fastening screw, and the shaft sleeve is sleeved and fixed on the outer portion of the valve shaft.
Compared with the prior art, the utility model provides the special spherical linear sealing heat-preservation butterfly valve for maleic anhydride, which has the following beneficial effects:
according to the special spherical line sealing heat-preservation butterfly valve for maleic anhydride, the butterfly plate is designed by adopting the spherical line, so that the joint surface of the butterfly plate and the valve body is widened, and the sealing effect is enhanced. When the butterfly valve is opened, the resistance to the fluid is reduced when the fluidic flow area can be increased, the circulation speed of the material is accelerated, the problem that the valve is not tightly closed due to the phenomenon of material accumulation is difficult to occur in the flowing process of the material in the pipeline, and the jacket adopts the structural design of two inlets and two outlets to accelerate the circulation speed of the steam in the pipeline, so that the heat transfer efficiency of the steam is improved, the accumulated water is difficult to generate in the jacket, and the heat preservation effect of the jacket is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic side view of the butterfly plate assembly of the present invention;
FIG. 4 is an enlarged view of part A of FIG. 3;
in the figure: 1. a valve body; 2. a drive device; 3. a steam port; 4. a jacket; 5. a butterfly plate; 6. a valve shaft; 7. a pneumatic actuator; 8. a support; 9. sealing the shaft sleeve; 10. a valve seat; 11. a flange; 12. a packing gland; 13. a blind cover; 14. pressing a plate; 15. a rib plate; 16. a seal member; 17. and a shaft sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figure 1, the utility model provides a technical scheme, and the special spherical line sealing heat-preservation butterfly valve for maleic anhydride comprises a valve body 1 and a driving device 2, wherein a steam port 3 is arranged outside the valve body 1, a flange 11 is fixedly connected to a valve port of the valve body 1, a blind cover 13 is arranged at the bottom end of the valve body 1, and a sealing gasket is additionally arranged between the valve body 1 and the blind cover 13, so that the sealing property between the valve body 1 and the blind cover 13 is improved, and fluid is prevented from flowing out. The driving device 2 is fixedly connected with the valve body 1 through a bracket 8, and pneumatic actuators 7 are arranged on the left side and the right side of the driving device 2.
As shown in fig. 2, a cavity is formed in the valve body 1, a butterfly plate 5 is movably mounted in the cavity, a valve shaft 6 is fixedly connected to the output end of the driving device 2, and a sealing shaft sleeve 9 is arranged between the valve body 1 and the valve shaft 6, so that the sealing performance between the valve body 1 and the valve shaft 6 is improved, and the fluid can be prevented from overflowing from a gap between the valve body 1 and the valve shaft 6.
The quantity of steam port 3 has four, and the inside of steam port 3 all is provided with and presss from both sides cover 4, is two imports and two exports respectively, adopts two structural design that advance two to let steam circulate the speed in the pipeline and accelerate for the heat transfer efficiency of steam obtains improving, and difficult production ponding in pressing from both sides cover 4 has improved the heat preservation effect who presss from both sides cover 4. The valve seat 10 is fixedly arranged in the valve body 1, and the spherical linear sealing ring is arranged between the valve seat 10 and the butterfly plate 5, so that the sealing effect of the device is improved. The upper end of the valve body 1 is connected with a packing gland 12 with sealing packing, and a sealing gasket is additionally arranged between the valve body 1 and the valve seat 10, so that the sealing effect of the device is further improved.
As shown in fig. 3 and 4, the top and the bottom of the butterfly plate 5 are both fixedly provided with a pressure plate 14, the pressure plate 14 is fixedly connected with the outer side of the rib plate 15 through a fastening screw, a sealing element 16 is additionally arranged between the pressure plate 14 and the rib plate 15 to increase the sealing effect, the inner side of the rib plate 15 is fixedly provided with a shaft sleeve 17 through the fastening screw, and the shaft sleeve 17 is sleeved and fixed on the outer part of the valve shaft 6.
The working principle of the device is as follows: during operation, the driving device 2 is started, the driving device 2 drives the valve shaft 6 to rotate, the butterfly plate 5 is fixedly connected with the outer side of the rib plate 15 through the fastening bolt, the inner side of the rib plate 15 is fixedly connected with the shaft sleeve 17 through the fastening bolt, and the shaft sleeve 17 is sleeved and fixedly connected with the outer portion of the valve shaft 6, so that the valve shaft 6 drives the butterfly plate 5 to rotate within a range of ninety degrees to work to open or close the valve.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a special spherical line of maleic anhydride seals heat preservation butterfly valve, includes valve body (1) and drive arrangement (2), the outside of valve body (1) is provided with steam port (3), the inside of steam port (3) is provided with presss from both sides cover (4), its characterized in that: the butterfly plate (5) is movably mounted inside the valve body (1), and the periphery of the butterfly plate (5) is sealed with the valve body through spherical lines.
2. The spherical linear sealing heat-preservation butterfly valve special for maleic anhydride as claimed in claim 1, wherein: a spherical linear sealing ring which is matched with each other is arranged between the interior of the valve body (1) and the butterfly plate (5), an inner spherical cambered surface is arranged at the joint of the interior of the valve body and the butterfly plate, and an outer spherical cambered surface is arranged around the butterfly plate.
3. The spherical line sealing heat-preservation butterfly valve special for maleic anhydride as claimed in claim 1, characterized in that: the number of the steam ports (3) is four, and the steam ports are respectively two inlets and two outlets.
4. The spherical linear sealing heat-preservation butterfly valve special for maleic anhydride as claimed in claim 1, wherein: the top and the bottom of the butterfly plate (5) are fixedly provided with a pressing plate (14), the pressing plate (14) is fixedly connected with the outer side of the rib plate (15) through a fastening screw, a sealing element (16) is additionally arranged between the pressing plate (14) and the rib plate (15), the inner side of the rib plate (15) is fixedly provided with a shaft sleeve (17) through the fastening screw, and the shaft sleeve (17) is sleeved and fixed on the outer portion of the valve shaft (6).
5. The spherical linear sealing heat-preservation butterfly valve special for maleic anhydride as claimed in claim 1, wherein: the valve comprises a valve body (1) and is characterized in that a flange (11) is fixedly connected to a valve port of the valve body (1), a packing gland (12) with sealing packing is connected to the upper end of the valve body (1), a blind cover (13) is arranged at the bottom end of the valve body (1), and sealing gaskets are additionally arranged between the valve body (1) and a valve seat (10) and between the valve body (1) and the blind cover (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122632619.2U CN216618582U (en) | 2021-10-31 | 2021-10-31 | Spherical linear sealing heat-preservation butterfly valve special for maleic anhydride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122632619.2U CN216618582U (en) | 2021-10-31 | 2021-10-31 | Spherical linear sealing heat-preservation butterfly valve special for maleic anhydride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216618582U true CN216618582U (en) | 2022-05-27 |
Family
ID=81693754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122632619.2U Active CN216618582U (en) | 2021-10-31 | 2021-10-31 | Spherical linear sealing heat-preservation butterfly valve special for maleic anhydride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216618582U (en) |
-
2021
- 2021-10-31 CN CN202122632619.2U patent/CN216618582U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212407652U (en) | Middle annular surface sealing type diaphragm valve | |
| CN210141367U (en) | Close valve that gas tightness is good | |
| CN216618582U (en) | Spherical linear sealing heat-preservation butterfly valve special for maleic anhydride | |
| CN203847753U (en) | Three-way regulating valve | |
| CN101373030A (en) | Pneumatic two-position two-way piston type multi-medium angle seat valve with buffer | |
| CN107477192A (en) | Pneumatic butterfly valve device | |
| CN212055890U (en) | Clamp type double-channel metal sealing butterfly valve | |
| CN103953735A (en) | Special angle stop valve for chlor-alkali | |
| CN215293627U (en) | Butterfly valve with adjusting device | |
| CN202074055U (en) | Three-section type two-way sealed high-pressure butterfly valve | |
| CN109027265A (en) | High temperature butterfly valve | |
| CN209067864U (en) | A kind of good knife gate valve of wear-resisting property | |
| CN207830680U (en) | A kind of cut-off wind valve | |
| CN215567972U (en) | Adjustable flow high-temperature wear-resistant stop valve | |
| CN213361154U (en) | Valve reliable in sealing | |
| CN220870106U (en) | Butterfly valve sealing ring backing clamping structure | |
| CN212297624U (en) | Ceramic angle type plunger valve | |
| CN205639824U (en) | Bellows sealing stop valve | |
| CN111140661A (en) | Double-layer elastic all-metal sealing structure for high-temperature-resistant valve | |
| CN117967805B (en) | Wear-resistant sealing butterfly valve | |
| CN210218721U (en) | Butterfly valve convenient to seal and maintain | |
| CN213598598U (en) | Two-way sealing valve | |
| CN109140029A (en) | Gas control coaxial valve | |
| CN217030042U (en) | Adjustable three-way stop valve | |
| CN203823081U (en) | Novel high-pressure, two-position, two-way and right angle straight-through type mechanical gas control valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 255400 East Shencun Industrial Park, Fenghuang Town, Linzi District, Zibo, Shandong Province (Intelligent Manufacturing Industrial Park, Linzi Economic Development Zone) Patentee after: Shandong Weiheng Valve Technology Co.,Ltd. Address before: 255400 East Industrial Park, Dongshen village, Fenghuang Town, Linzi District, Zibo City, Shandong Province Patentee before: ZIBO WEIHENG VALVE Co.,Ltd. |
|
| CP03 | Change of name, title or address |