CN215334543U - High-temperature high-pressure stop-shunt multifunctional regulating valve - Google Patents
High-temperature high-pressure stop-shunt multifunctional regulating valve Download PDFInfo
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- CN215334543U CN215334543U CN202120753848.7U CN202120753848U CN215334543U CN 215334543 U CN215334543 U CN 215334543U CN 202120753848 U CN202120753848 U CN 202120753848U CN 215334543 U CN215334543 U CN 215334543U
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Abstract
The utility model relates to a high-temperature high-pressure cut-off and flow-dividing multifunctional regulating valve which comprises a valve body, a valve rod and a valve clack, wherein the valve clack is arranged inside the valve body, one end of the valve rod is connected with the valve clack, the other end of the valve rod penetrates through the valve body and extends to the outside, a packing box is arranged between the valve body and the valve rod, an upper cover is arranged above the packing box and connected with the valve body, a packing pad and reinforced flexible graphite packing are arranged between the packing box and the valve rod, the reinforced flexible graphite packing is arranged above the packing pad, a fastening mechanism is arranged above the reinforced flexible graphite packing, and one end of the valve rod, which extends out of the valve body, is connected with a rotating assembly. The valve clack adopts the resistance-reducing and shunting adjusting structure, so that the damage of fluid to the valve clack is greatly reduced by resistance reduction and shunting, and the service life of the valve is prolonged.
Description
Technical Field
The utility model relates to the technical field of steam pipeline control equipment, in particular to a high-temperature high-pressure stop and shunt multifunctional regulating valve.
Background
The steam pipeline control system in the fields of power stations, metallurgy, chemical industry, oil fields and the like is widely applied. However, in the high-temperature high-pressure steam pipeline, water particles in the steam can bring huge impact damage to the valve under the driving of high-speed steam. Especially in the moment that the valve is opened and closed, the velocity of flow increases instantaneously, and the water impact that causes sealed face is very big, erodees very seriously, and the fluid resistance is big when current valve is opened and closed simultaneously, and sealed face erodees seriously, and the sealed face is erodeed the damage seriously after long-time the use, and life is short, and traditional stop valve can not adjust, does not handle the class of stream branch, easily leaks, and sealed face is wear-resisting and corrosion-resistant. The service life is short.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a high-temperature high-pressure cut-off and flow-dividing multifunctional regulating valve.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a high temperature high pressure is by multi-functional governing valve of reposition of redundant personnel, includes valve body, valve rod and valve clack, and the valve clack is installed inside the valve body, and valve rod one end is connected with the valve clack, and the other end passes the valve body and stretches to the external world, be provided with the stuffing box between valve body and the valve rod, the stuffing box top is provided with the upper cover, and the upper cover is connected with the valve body, is provided with the packing pad and strengthens flexible graphite packing between stuffing box and the valve rod, the flexible graphite packing of reinforcing sets up the top at the packing pad, the flexible graphite packing top of reinforcing is provided with fastening mechanism, the one end that the valve rod stretches out the valve body is connected with rotating assembly.
Preferably, the rotating assembly comprises a support, a bearing, a valve rod nut, a bearing gland, a handle and an upper cap nut, one end of the support is connected with the upper cap, the other end of the support is connected with the bearing gland, the bearing and the valve rod nut are respectively connected with the bearing gland, the handle is connected with the bearing gland, the upper cap nut is connected with the bearing gland, and the valve rod penetrates through the bearing, the valve rod nut and the bearing gland.
Preferably in further, the fastening mechanism comprises a packing pressing plate, a packing pressing ring and a packing spacing ring, the packing spacing ring is arranged between the reinforced flexible graphite packing, the packing pressing ring is arranged on the upper end face of the reinforced flexible graphite packing, and the packing pressing plate is connected with the upper end face of the packing pressing ring.
In a further preferred embodiment, the packing press plate is connected to the upper cover by a bolt and nut fit.
In a further preferred embodiment, a sealing gasket is arranged between the stuffing box and the valve body.
(III) advantageous effects
Compared with the prior art, the utility model provides a high-temperature high-pressure cut-off and flow-dividing multifunctional regulating valve which has the following beneficial effects:
1. the forging structure is adopted, high-temperature and high-pressure steam is resisted, and the safety of equipment and management is ensured;
2. the valve clack adopts a resistance reducing and shunting adjusting structure, so that the damage of fluid to the valve clack is greatly reduced by resistance reduction and shunting, and the service life of the valve is prolonged;
3. the packing adopts a combined structure, and the flexible graphite is combined with the packing spacer ring, so that the sealing reliability is ensured;
4. different types of hard alloy surfacing combined technology are adopted to lead the sealing surface to be corrosion resistant and impact resistant, thus ensuring the service life of the valve.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a valve body; 2. a valve flap; 3. a valve stem; 4. a stuffing box; 5. a filler pad; 6. reinforcing flexible graphite filler; 7. sealing gaskets; 8. an upper cover; 9. a support; 10. a bearing; 11. a valve stem nut; 12. a bearing gland; 13. a handle; 14. an upper cover nut; 15. a bolt; 16. a nut; 17. a packing press plate; 18. packing and pressing a ring; 19. and (4) a packing spacer ring.
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.
Example (b):
referring to fig. 1, the high-temperature high-pressure cut-off and flow-dividing multifunctional regulating valve comprises a valve body 1, a valve rod 3 and a valve clack 2, wherein the valve clack 2 is installed inside the valve body 1, one end of the valve rod 3 is connected with the valve clack 2, the other end of the valve rod penetrates through the valve body 1 and extends to the outside, a packing box 4 is arranged between the valve body 1 and the valve rod 3, an upper cover 8 is arranged above the packing box 4, the upper cover 8 is connected with the valve body 1, a packing pad 5 and a reinforced flexible graphite packing 6 are arranged between the packing box 4 and the valve rod 3, the reinforced flexible graphite packing 6 is arranged above the packing pad 5, a fastening mechanism is arranged above the reinforced flexible graphite packing 6, and one end of the valve rod 3, which extends out of the valve body 1, is connected with a rotating assembly.
In this embodiment, the rotating assembly includes support 9, bearing 10, stem nut 11, bearing gland 12, handle 13 and upper cover nut 14, support 9 one end with upper cover 8 is connected, and the other end is connected with bearing gland 12, and bearing 10 and stem nut 11 are connected with bearing gland 12 respectively, and handle 13 is connected with bearing gland 12, and upper cover nut 14 is connected with bearing gland 12, and valve rod 3 passes bearing 10, stem nut 11 and bearing gland 12 setting. The valve rod 3 can be well rotated through the rotating component, so that the valve clack 2 is driven to move up and down.
In this embodiment, the fastening mechanism includes a packing pressing plate 17, a packing pressing ring 18, and a packing spacer ring 19, the packing spacer ring 19 is disposed between the reinforced flexible graphite packings 6, the packing pressing ring 18 is disposed on the upper end surface of the reinforced flexible graphite packings 6, and the packing pressing plate 17 is connected to the upper end surface of the packing pressing ring 18. The reinforcing flexible graphite filler 6 can be well fastened by the fastening mechanism.
In this embodiment, the packing press plate 17 is connected to the upper cover 8 by the engagement of the bolts 15 and the nuts 16. The disassembly or the assembly of the device is convenient.
In this embodiment, a sealing gasket 7 is provided between the stuffing box 4 and the valve body 1. So that the sealing between the stuffing box 4 and the valve body 1 is better.
The working principle is as follows:
when using, hold handle 13 and rotate, handle 13 drives valve rod 3 and rotates, valve rod 3 drives valve clack 2 and reciprocates, valve rod 3 drives valve clack 2 and upwards promotes or ends downwards, open or close whole passageway, inject into or cut high temperature high pressure medium, valve clack 2 can the flow, shunt pressure and flow through the reposition of redundant personnel hole in the middle of, in addition, can extrude reinforcing flexible graphite packing 6 well through packing clamp plate 17 and packing clamping ring 18, the fastening to it that can be fine through the cooperation of bolt 15 and nut 16, make reinforcing flexible graphite packing 6 can be more firm install between gland box 4 and valve rod 3.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 high temperature high pressure is by multi-functional governing valve of reposition of redundant personnel, includes valve body, valve rod and valve clack, and the valve clack is installed inside the valve body, and valve rod one end is connected with the valve clack, and the other end passes the valve body and stretches to the external world, its characterized in that, be provided with the stuffing box between valve body and the valve rod, the stuffing box top is provided with the upper cover, and the upper cover is connected with the valve body, is provided with the packing pad between stuffing box and the valve rod and strengthens flexible graphite packing, the flexible graphite packing of reinforcing sets up the top at the packing pad, the flexible graphite packing top of reinforcing is provided with fastening mechanism, the one end that the valve rod stretches out the valve body is connected with rotating assembly.
2. The high-temperature high-pressure cut-off and flow-dividing multifunctional regulating valve as claimed in claim 1, wherein: the rotating assembly comprises a support, a bearing, a valve rod nut, a bearing gland, a handle and an upper cap nut, one end of the support is connected with the upper cap, the other end of the support is connected with the bearing gland, the bearing and the valve rod nut are respectively connected with the bearing gland, the handle is connected with the bearing gland, the upper cap nut is connected with the bearing gland, and the valve rod penetrates through the bearing, the valve rod nut and the bearing gland.
3. The high-temperature high-pressure cut-off and flow-dividing multifunctional regulating valve as claimed in claim 1, wherein: the fastening mechanism comprises a packing pressing plate, a packing pressing ring and a packing spacing ring, the packing spacing ring is arranged between the reinforced flexible graphite packing, the packing pressing ring is arranged on the upper end face of the reinforced flexible graphite packing, and the packing pressing plate is connected with the upper end face of the packing pressing ring.
4. The high-temperature high-pressure cut-off and flow-dividing multifunctional regulating valve according to claim 3, characterized in that: and the packing pressing plate is connected with the upper cover through the matching of a bolt and a nut.
5. The high-temperature high-pressure cut-off and flow-dividing multifunctional regulating valve as claimed in claim 1, wherein: and a sealing gasket is arranged between the stuffing box and the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120753848.7U CN215334543U (en) | 2021-04-14 | 2021-04-14 | High-temperature high-pressure stop-shunt multifunctional regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120753848.7U CN215334543U (en) | 2021-04-14 | 2021-04-14 | High-temperature high-pressure stop-shunt multifunctional regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215334543U true CN215334543U (en) | 2021-12-28 |
Family
ID=79593729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120753848.7U Active CN215334543U (en) | 2021-04-14 | 2021-04-14 | High-temperature high-pressure stop-shunt multifunctional regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215334543U (en) |
-
2021
- 2021-04-14 CN CN202120753848.7U patent/CN215334543U/en active Active
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