CN220646975U - Angle type regulating valve for rectifying tower cold box - Google Patents
Angle type regulating valve for rectifying tower cold box Download PDFInfo
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- CN220646975U CN220646975U CN202322381333.0U CN202322381333U CN220646975U CN 220646975 U CN220646975 U CN 220646975U CN 202322381333 U CN202322381333 U CN 202322381333U CN 220646975 U CN220646975 U CN 220646975U
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- valve
- cold box
- valve body
- angle
- type regulating
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 16
- 238000004321 preservation Methods 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 25
- 238000012856 packing Methods 0.000 claims description 23
- 239000000945 filler Substances 0.000 claims description 14
- 210000004907 gland Anatomy 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000003507 refrigerant Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model discloses an angle type regulating valve for a rectifying tower cold box, which belongs to the technical field of valves and comprises a valve body, wherein a valve seat is fixedly arranged in the valve body, a valve cover is fixedly arranged at the top of the valve body, a heat preservation cylinder is arranged on the surface of the valve body and the valve cover, a stuffing box is fixedly arranged at the top of the valve cover, valve rods penetrate through the valve cover and the stuffing box, a valve core is fixedly arranged at the bottom of the valve rod, the valve core is positioned in the valve body, and the valve core is movably abutted against the valve seat; when the valve body is maintained, the stuffing box can be removed, the valve rod and the valve core can be directly pulled out from the valve cover, so that the maintenance efficiency is improved when the valve body is maintained, and the valve core or the valve body can be independently maintained, thereby reducing the maintenance cost and improving the practicability of the device.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to an angle type regulating valve for a rectifying tower cold box.
Background
The rectifying tower is equipment for separating different components in the mixture according to different volatilities, has wide application in the chemical field, and is provided with a cold box at the top of the rectifying tower for cooling gas phase and weightless steam at the top of the rectifying tower, and a valve for controlling the inlet and outlet of cooling liquid is also arranged on the cold box.
The variety of valve is various, and what generally used is angle formula governing valve on the cooler bin, and angle formula governing valve angle formula valve body does not have the dead angle, is convenient for sweep, consequently by wide use, but when current angle formula governing valve case damages, can't maintain the valve, needs to change whole valve, and the cost is higher, for this reason proposes an angle formula governing valve for rectifying column cooler bin.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the angle type regulating valve for the rectifying tower cold box, which can perform core pulling operation, is convenient for maintaining the valve, reduces the maintenance cost and is beneficial to improving the practicability of the device.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an angle formula governing valve for rectifying column cooler bin, includes the valve body, fixed mounting has the disk seat in the valve body, valve body top fixed mounting has the valve gap, the valve body with valve gap surface mounting has a heat preservation section of thick bamboo, valve gap top fixed mounting has the stuffing box, wear to be equipped with the valve rod in valve gap and the stuffing box, valve rod bottom fixed mounting has the case, the case is located in the valve body, the case with disk seat activity butt.
Preferably, an actuating mechanism is fixedly arranged at the top of the valve rod, the actuating mechanism is fixedly arranged at the top of the stuffing box, and the actuating mechanism is in transmission connection with the valve rod.
Preferably, the actuating mechanism is driven electrically or pneumatically.
Preferably, the actuating mechanism is fixedly provided with a hand wheel, and the hand wheel is in transmission connection with the valve rod through the actuating mechanism.
Preferably, a packing ring and a packing are arranged at the joint of the packing box and the valve rod, the packing is positioned above the packing ring, a packing pressing plate is abutted to the top of the packing, a packing gland is movably connected to the top of the packing pressing plate, and the packing gland is fixedly connected with the packing box through bolts.
Preferably, the backing ring and the filler are provided with two layers, and one backing ring and four fillers are provided with one layer.
Preferably, a V-shaped groove is formed at the joint of the valve body and the valve cover, and a sealing gasket is fixedly clamped in the V-shaped groove.
Preferably, the valve core is in a V shape or a P shape.
Preferably, the heat preservation cylinder is fixedly connected with the valve body and the valve cover through a rigid flange.
Preferably, the surface of the valve rod is fixedly provided with a corrugated pipe.
The working principle of the angle type regulating valve for the rectifying tower cold box is as follows: the valve rod is driven to move up and down by the actuating mechanism, the valve rod drives the valve core to move in the valve body to control the opening and closing of the valve body, a backing ring and filler are arranged in the filler box to seal the valve rod and the filler box, a sealing gasket is arranged at the joint of the valve body, the valve cover and the filler box, so that the device is completely sealed, liquid leakage is prevented, the valve cover is provided with a certain length, a heat preservation cylinder is arranged on the valve cover, the filler in the filler box can be effectively prevented from freezing, the filler box and the actuating mechanism can be directly detached during maintenance, the valve rod can be directly pulled out from the valve cover, the maintenance process of the device is simplified, the actuating mechanism cannot work when no electricity or no gas exists, and the hand wheel is rotated to drive the actuating mechanism, so that the refrigerant required by the cold box is ensured to be introduced under extreme conditions.
Compared with the prior art, the utility model has the following beneficial effects:
1. when the valve body is maintained, the stuffing box and the actuating mechanism can be removed, the valve rod and the valve core are directly pulled out of the valve cover, the valve body is convenient to maintain, the practicability of the device is improved, the maintenance cost is reduced, and the maintenance efficiency is improved.
2. By setting the valve element to be of a V-type or a P-type, different flow characteristics can be provided when different valve elements are used, and the practicability of the device is further improved.
Drawings
FIG. 1 is a schematic diagram showing the overall structure of an angle-type regulating valve for a rectifying column cold box according to an embodiment;
FIG. 2 is a cross-sectional view showing the whole structure of an angle adjusting valve for a rectifying column cold box according to an embodiment;
FIG. 3 is an exploded view of the overall structure of an angle control valve for a rectifying column cold box according to one embodiment;
FIG. 4 is a schematic diagram of the structure of the corner adjusting valve A shown in FIG. 2 for a rectifying tower cold box according to the embodiment;
FIG. 5 is a schematic diagram of the structure of the corner adjusting valve shown in FIG. 2 for a rectifying column cold box according to an embodiment;
wherein: 1. a valve body; 2. a heat preservation cylinder; 3. a valve cover; 4. a stuffing box; 5. an actuator; 6. a hand wheel; 7. a valve stem; 8. a valve core; 9. a valve seat; 10. a backing ring; 11. a filler; 12. a packing pressing plate; 13. and (5) a packing gland.
Detailed Description
The technical scheme of the utility model is described below by means of specific examples with reference to the accompanying drawings 1-5.
Examples:
as shown in figures 1-5, the angle-type regulating valve for the rectifying tower cold box comprises a valve body 1, wherein a valve cover 3 is fixedly arranged at the top of the valve body 1, a stuffing box 4 is fixedly arranged at the top of the valve cover 3, a heat preservation cylinder 2 is fixedly connected to the valve body 1 and the valve cover 3 through a rigid flange, a valve seat 9 is fixedly arranged in the valve body 1, a valve rod 7 penetrates through the valve cover 3 and the stuffing box 4, a valve core 8 is fixedly arranged at the bottom of the valve rod 7, the valve core 8 is positioned in the valve body 1, the valve core 8 is movably abutted against the valve seat 9, an actuating mechanism 5 is fixedly arranged at the top of the valve rod 7, the actuating mechanism 5 is fixedly arranged at the top of the stuffing box 4, the actuating mechanism 5 is in transmission connection with the valve rod 7, a hand wheel 6 is fixedly arranged on the actuating mechanism 6, a gasket 10 and a stuffing 11 are arranged at the joint of the top of the stuffing box 4 and the valve rod 7, the stuffing 11 is positioned above the gasket 10, a stuffing pressing plate 12 is abutted against the top of the stuffing pressing plate 12, a stuffing pressing cover 13 is movably connected to the top of the stuffing pressing plate 13 through a bolt and is fixedly connected with the stuffing box 4.
It should be noted that the actuator 5 is electrically or pneumatically driven, and in this embodiment, the actuator 5 is electrically driven.
The joint of the valve body 1 and the valve cover 3 is provided with a V-shaped groove, and a sealing gasket is fixedly clamped in the V-shaped groove.
The valve element 8 is shaped as a "V" or a "P", and in this embodiment, the valve element 8 is shaped as a "V".
Two layers of backing rings 10 and packing 11 are laid at the joint of the valve rod 7 and the packing box 4, and one backing ring 10 and four packing 11 are arranged as one layer.
The surface of the valve rod 7 is fixedly provided with a corrugated pipe.
The working steps are as follows: the device is arranged on a cold box, the valve body 1 is communicated with the cold box and the refrigerant, the actuating mechanism 5 drives the valve rod 7 to ascend, the valve rod 7 drives the valve core 8 to be separated from the valve seat 9 after ascending, the refrigerant is introduced into the cold box from the valve body 1, after the introduced refrigerant reaches the specified quantity, the actuating mechanism 5 drives the valve rod 7 to reset, the valve core 8 falls into the valve seat 9, the valve body 1 is blocked, and the refrigerant is limited to be communicated with the cold box.
When no electricity or no gas exists, namely, when the actuating mechanism 5 cannot be driven by electricity or gas, the hand wheel 6 is rotated to drive the actuating mechanism 5 to drive the valve rod 7 to ascend or reset, so that the refrigerant is introduced into the cold box.
When the valve core 8 is maintained, the device is detached from the cold box, the valve cover 3 and the stuffing box 4 are separated, the valve rod 7 and the valve core 8 can be directly pulled out from the valve cover 3 for replacement, and the device is restored after replacement.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (10)
1. An angle-type regulating valve for a rectifying tower cold box comprises a valve body (1), and is characterized in that: valve body (1) internal fixation has disk seat (9), valve body (1) top fixed mounting has valve gap (3), valve body (1) with valve gap (3) surface mounting has a section of thick bamboo (2) that keeps warm, valve gap (3) top fixed mounting has packing box (4), wear to be equipped with valve rod (7) in valve gap (3) and packing box (4), valve rod (7) bottom fixed mounting has case (8), case (8) are located in valve body (1), case (8) with disk seat (9) activity butt.
2. An angle-type regulating valve for a rectifying column cold box according to claim 1, characterized in that: the top of the valve rod (7) is fixedly provided with an actuating mechanism (5), the actuating mechanism (5) is fixedly arranged at the top of the stuffing box (4), and the actuating mechanism (5) is in transmission connection with the valve rod (7).
3. An angle-type regulating valve for a rectifying column cold box according to claim 2, characterized in that: the actuating mechanism (5) is driven by electric or pneumatic.
4. A corner fitting valve for a rectifying column cold box according to claim 3, characterized in that: a hand wheel (6) is fixedly arranged on the actuating mechanism (5), and the hand wheel (6) is in transmission connection with the valve rod (7) through the actuating mechanism (5).
5. An angle-type regulating valve for a rectifying column cold box according to claim 1, characterized in that: the packing box (4) with valve rod (7) junction is equipped with backing ring (10), filler (11) are located backing ring (10) top, filler (11) top butt has filler clamp plate (12), filler clamp plate (12) top swing joint has gland (13), gland (13) pass through the bolt with gland (4) fixed connection.
6. An angle adjusting valve for a rectifying column cold box as defined in claim 5, wherein: the packing ring (10) and the packing (11) are provided with two layers, and one packing ring (10) and four packing (11) are provided with one layer.
7. An angle-type regulating valve for a rectifying column cold box according to claim 1, characterized in that: the valve body (1) and the valve cover (3) are connected with each other, a V-shaped groove is formed in the joint of the valve body (1) and the valve cover, and a sealing gasket is fixedly clamped in the V-shaped groove.
8. An angle-type regulating valve for a rectifying column cold box according to claim 1, characterized in that: the valve core (8) is in a V shape or a P shape.
9. An angle-type regulating valve for a rectifying column cold box according to claim 1, characterized in that: the heat preservation cylinder (2) is fixedly connected with the valve body (1) and the valve cover (3) through rigid flanges.
10. An angle-type regulating valve for a rectifying column cold box according to claim 1, characterized in that: the surface of the valve rod (7) is fixedly provided with a corrugated pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322381333.0U CN220646975U (en) | 2023-09-04 | 2023-09-04 | Angle type regulating valve for rectifying tower cold box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322381333.0U CN220646975U (en) | 2023-09-04 | 2023-09-04 | Angle type regulating valve for rectifying tower cold box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220646975U true CN220646975U (en) | 2024-03-22 |
Family
ID=90290725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322381333.0U Active CN220646975U (en) | 2023-09-04 | 2023-09-04 | Angle type regulating valve for rectifying tower cold box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220646975U (en) |
-
2023
- 2023-09-04 CN CN202322381333.0U patent/CN220646975U/en active Active
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