CN220706459U - Hemispherical valve structure for spiral belt dryer - Google Patents
Hemispherical valve structure for spiral belt dryer Download PDFInfo
- Publication number
- CN220706459U CN220706459U CN202321817086.8U CN202321817086U CN220706459U CN 220706459 U CN220706459 U CN 220706459U CN 202321817086 U CN202321817086 U CN 202321817086U CN 220706459 U CN220706459 U CN 220706459U
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- valve body
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- rotation
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- 238000007789 sealing Methods 0.000 claims description 29
- 230000000903 blocking effect Effects 0.000 claims description 13
- 238000011010 flushing procedure Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides a hemispherical valve structure for a spiral belt dryer, and belongs to the technical field of dryers. It has solved the problem that current hemisphere valve structure manual operation inefficiency. The hemispherical valve structure for the spiral band dryer comprises a valve body and a valve core positioned in the valve body, wherein a pair of rotating shafts are axially positioned in the valve body and rotationally penetrated, the pair of rotating shafts are fixedly connected with the valve core, friction rings are arranged between the pair of rotating shafts and the valve body, a driver is fixedly connected outside the valve body, the driver is fixedly connected with one of the rotating shafts, and the driver can drive the rotating shafts to rotate so as to drive the valve core to rotate. The hemispherical valve structure for the spiral belt dryer has the advantages of automatic opening and closing and high efficiency.
Description
Technical Field
The utility model belongs to the technical field of dryers, and relates to a hemispherical valve structure for a spiral ribbon dryer.
Background
The semi-ball valve is a novel valve which is opened and closed rapidly, a feed inlet, a discharge outlet and an exhaust outlet in a conveying system are opened and closed, and in the pharmaceutical industry, the semi-ball valve is arranged at the discharge outlet at the bottom of the vacuum dryer and is used as a discharge valve of the vacuum dryer.
The prior half ball valve, such as Chinese patent literature, discloses a ball valve [ patent number: 201910339028.0; application publication number: CN109974402a ], the ball valve comprises a ball crown and a ball body with a feed inlet, the ball body is provided with a rotating shaft connected with the ball crown, the ball crown rotates relative to the ball body through the rotating shaft, the ball body is provided with a sealing ring, the ball crown can be abutted to the sealing ring and seal the feed inlet, the ball crown is provided with a heat exchange cavity, the rotating shaft is provided with a heat transfer channel, the ball valve further comprises a communication structure, the heat transfer channel is communicated with the heat exchange cavity through the communication structure, and a channel inlet of the heat transfer channel is positioned outside the ball body.
The ball valve with the structure is used for sealing the feed inlet by the ball crown abutting against the sealing ring, and the feed inlet is opened after the ball crown rotates relative to the ball body through the rotating shaft and does not contact the sealing ring. The ball valve of this kind of structure wears to be equipped with driving shaft and driven shaft in the spheroid, and driving shaft and driven shaft all link firmly with the spherical crown through the connecting rod, set up the hand wheel in the spheroidal outside, and the hand wheel links to each other with the driving shaft, can drive the driving shaft rotatory through the manual hand wheel that rotates of operation workman to it is rotatory to drive the spherical crown through the connecting rod, realize the switching of feed inlet, but manual operation's mode wastes time and energy, inefficiency.
Disclosure of Invention
The utility model aims at solving the problems in the prior art, and provides a hemispherical valve structure for a spiral belt dryer, which solves the technical problems of automatically opening and closing the hemispherical valve structure and improving the efficiency.
The aim of the utility model can be achieved by the following technical scheme: the hemispherical valve structure for the spiral belt dryer comprises a valve body and a valve core positioned in the valve body, wherein a pair of rotating shafts are axially positioned in the valve body and circumferentially rotatable in a penetrating manner, and the rotating shafts are fixedly connected with the valve core.
This hemisphere valve structure passes through the rotation of driver drive axis of rotation, and the axis of rotation rotates and drives the case rotation to make the case can seal the feed inlet of valve body or open the feed inlet of valve body, realize the automatic start and stop of hemisphere valve structure through the driver, labour saving and time saving improves efficiency. The friction ring plays an antifriction role, so that the rotating shaft is not easy to wear in the rotating process, the valve core can be guaranteed to rotate in place, the tightness of the hemispherical valve structure is guaranteed, and the service life is prolonged.
In the above-mentioned spiral shell takes hemisphere valve structure for desiccator, the valve body includes a pair of end cover, have a pair of mounting hole that runs through in the valve body, a pair of the end cover wears to establish respectively and fixes in corresponding mounting hole, one the axis of rotation is axial location circumference rotatable wears to establish in corresponding end cover respectively. The structure ensures that the rotating shaft is convenient to install and is ensured to be installed in place.
In the hemispherical valve structure for the spiral belt dryer, the end cover is internally provided with the annular blocking edge, the outer side wall of the rotating shaft is provided with the annular blocking shoulder, the friction ring is sleeved outside the rotating shaft, and the friction ring is positioned between the annular blocking edge and the annular blocking shoulder. The annular baffle edge and the annular baffle shoulder enable the friction ring to be axially positioned, and meanwhile enable the rotating shaft to be axially positioned, so that the stability of the friction ring and the rotating shaft is improved, and the stability of the hemispherical valve structure is improved.
In the hemispherical valve structure for the spiral belt dryer, a sealing ring is arranged between the rotating shaft and the end cover, and the sealing ring is positioned between the friction ring and the inner cavity of the valve body. The sealing ring has the sealing function, the friction ring is separated from the inner cavity of the valve body, so that the friction ring cannot pollute materials, and meanwhile, the materials cannot enter the friction ring, so that the friction ring is not easy to damage.
In the above hemispherical valve structure for the ribbon dryer, the driver is a pneumatic actuator or a combination of a motor and a decelerator.
In the hemispherical valve structure for the spiral band dryer, the friction ring is a shaft sleeve made of wear-resistant materials.
In the hemispherical valve structure for the spiral belt dryer, the valve body is fixedly connected with the base plate, a sealing air bag is arranged in the base plate or between the base plate and the valve body, an air inlet channel communicated with the sealing air bag is arranged in the base plate, and the sealing air bag can be abutted against the valve core to form sealing after being inflated. The sealing air bag is contacted with the valve core in an inflating mode, so that the internal pressure of the sealing air bag is larger, and the sealing air bag can bear larger equipment internal pressure.
In the hemispherical valve structure for the spiral strip dryer, the backing plate is provided with the backflushing channel, the backflushing channel comprises the backflushing small hole, and when the valve core seals the feed inlet of the valve body, the backflushing small hole faces the valve core. The back flushing channel can be used for back flushing the dryer, and the back flushing small hole can be used for back flushing the valve core.
In the hemispherical valve structure for the spiral belt dryer, the valve body is also connected with a nozzle assembly, and the nozzle assembly is communicated with the inner cavity of the valve body. The nozzle assembly is used to clean the semi-spherical valve structure.
In the hemispherical valve structure for the spiral belt dryer, the valve body is further connected with a cleaning assembly, and the cleaning assembly is communicated with the inner cavity of the valve body. The cleaning assembly may be used to clean the hemispherical valve structure.
Compared with the prior art, the hemispherical valve structure for the ribbon dryer provided by the utility model has the following advantages:
1. this hemisphere valve structure passes through the rotation of driver drive axis of rotation, and the axis of rotation rotates and drives the case rotation to make the case can seal the feed inlet of valve body or open the feed inlet of valve body, realize the automatic start and stop of hemisphere valve structure through the driver, raise the efficiency.
2. This hemisphere valve structure sets up the friction ring between axis of rotation and valve body, makes the axis of rotation be difficult for wearing and tearing when the friction ring makes the axis of rotation rotate smoothly to guarantee that the case can rotate in place, guarantee hemisphere valve structure's leakproofness, improve life.
Drawings
Fig. 1 is a schematic diagram of the whole structure of the present hemispherical valve structure.
Fig. 2 is a cross-sectional view of the entire structure of the present hemispherical valve structure.
Fig. 3 is an enlarged view of the area of fig. 2A of the structure of the present hemisphere valve.
Fig. 4 is an enlarged view of the area of fig. 2B of the structure of the present hemisphere valve.
Fig. 5 is an enlarged view of the area of fig. 2C of the structure of the present hemisphere valve.
In the figure, 1, a valve body; 11. an end cap; 111. an annular blocking edge; 12. a mounting hole; 13. an inner cavity; 2. a valve core; 3. a rotating shaft; 31. an annular shoulder; 4. a friction ring; 5. a driver; 6. a seal ring; 7. a backing plate; 71. an air intake passage; 72. a recoil channel; 721. blowback aperture; 8. sealing the air bag; 9. a nozzle assembly; 10. and (5) cleaning the assembly.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1 and 2, the hemispherical valve structure for the ribbon dryer comprises a valve body 1, a valve core 2, a rotating shaft 3, a friction ring 4, a driver 5, a backing plate 7, a sealing air bag 8, a nozzle assembly 9 and a cleaning assembly 10.
The valve core 2 is located in the valve body 1, as shown in fig. 5, the valve body 1 includes a pair of end caps 11, the valve body 1 has a pair of mounting holes 12 penetrating therethrough, the pair of end caps 11 are respectively penetrated and fixed in the corresponding mounting holes 12, one rotating shaft 3 is axially positioned and circumferentially rotatable in the corresponding end caps 11, and the pair of rotating shafts 3 are fixedly connected with the valve core 2. The end cover 11 is provided with an annular blocking edge 111, the outer side wall of the rotating shaft 3 is provided with an annular blocking shoulder 31, the friction ring 4 is sleeved outside the rotating shaft 3, the friction ring 4 is positioned between the annular blocking edge 111 and the annular blocking shoulder 31, and the friction ring 4 is a shaft sleeve made of wear-resistant materials. A sealing ring 6 is arranged between the rotating shaft 3 and the end cover 11, and the sealing ring 6 is positioned between the friction ring 4 and the inner cavity 13 of the valve body 1.
The outer part of the valve body 1 is fixedly connected with a driver 5, in this embodiment, the driver 5 is a pneumatic actuator, and in actual production, the driver 5 can be a combination of a motor and a speed reducer. The driver 5 is fixedly connected with one of the rotating shafts 3, and the driver 5 can drive the rotating shaft 3 to rotate so as to drive the valve core 2 to rotate.
The backing plate 7 is fixedly connected to the valve body 1, and in this embodiment, as shown in fig. 3, a sealing airbag 8 is installed between the backing plate 7 and the valve body 1, and in actual production, the sealing airbag 8 may be installed in the backing plate 7. The cushion plate 7 is provided with an air inlet channel 71 communicated with the sealing air bag 8, and the sealing air bag 8 can be abutted against the valve core 2 to form a seal after being inflated. As shown in fig. 4, the back flushing passage 72 is provided in the back flushing passage 72, and the back flushing passage 72 includes a back flushing small hole 721, and when the valve body 2 blocks the feed port of the valve body 1, the back flushing small hole 721 is directed toward the valve body 2. The nozzle assembly 9 is connected to the valve body 1, the nozzle assembly 9 is communicated with the inner cavity 13 of the valve body 1, the cleaning assembly 10 is connected to the valve body 1, and the cleaning assembly 10 is communicated with the inner cavity 13 of the valve body 1.
When the valve core 2 is required to rotate, the driver 5 works to drive the rotating shaft 3 to rotate, and the rotating shaft 3 rotates to drive the valve core 2 to rotate, so that the feed inlet of the valve body 1 is opened and closed.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although the terms of the valve body 1, the mounting hole 12, the inner chamber 13, the valve body 2, the rotation shaft 3, the annular shoulder 31, the friction ring 4, the driver 5, the end cap 11, the annular flange 111, the seal ring 6, the gasket 7, the seal bag 8, the air intake passage 71, the kick-back passage 72, the blowback hole 721, the nozzle assembly 9, the cleaning assembly 10, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The utility model provides a spiral shell takes hemisphere valve structure for desiccator, includes valve body (1) and is located case (2) of valve body (1), a pair of axis of rotation (3) are worn to be equipped with to axis positioning circumference rotatable in valve body (1), a pair of axis of rotation (3) all link firmly with case (2), a serial communication port, a pair of all be equipped with friction ring (4) between axis of rotation (3) and valve body (1), the outer drive (5) that have linked firmly of valve body (1), drive (5) link firmly with one of them axis of rotation (3) are mutually linked firmly, drive (5) can drive axis of rotation (3) rotate and drive case (2) rotation.
2. A hemispherical valve structure for a spiral band dryer according to claim 1, characterized in that the valve body (1) comprises a pair of end covers (11), a pair of through mounting holes (12) are formed in the valve body (1), the pair of end covers (11) are respectively penetrated and fixed in the corresponding mounting holes (12), and one rotating shaft (3) is respectively axially positioned and circumferentially rotatable and penetrated in the corresponding end cover (11).
3. The hemispherical valve structure for the spiral band dryer according to claim 2, wherein the end cover (11) is provided with an annular blocking edge (111), the outer side wall of the rotating shaft (3) is provided with an annular blocking shoulder (31), the friction ring (4) is sleeved outside the rotating shaft (3), and the friction ring (4) is positioned between the annular blocking edge (111) and the annular blocking shoulder (31).
4. A spiral shell takes hemisphere valve structure for desiccator according to claim 2, characterized by, be equipped with sealing washer (6) between axis of rotation (3) and end cover (11), sealing washer (6) are located between friction ring (4) and inner chamber (13) of valve body (1).
5. A semi-spherical valve structure for a screw belt dryer according to claim 1 or 2 or 3 or 4, characterized in that the driver (5) is a pneumatic actuator or a combination of a motor and a decelerator.
6. A spiral band dryer half-ball valve structure according to claim 1 or 2 or 3 or 4, characterized in that the friction ring (4) is a sleeve made of wear-resistant material.
7. The hemispherical valve structure for the spiral band dryer according to claim 1, 2, 3 or 4, characterized in that a base plate (7) is fixedly connected to the valve body (1), a sealing air bag (8) is installed in the base plate (7) or between the base plate (7) and the valve body (1), an air inlet channel (71) communicated with the sealing air bag (8) is formed in the base plate (7), and the sealing air bag (8) can be abutted against the valve core (2) to form a seal after being inflated.
8. The hemispherical valve structure for a spiral belt dryer according to claim 7, characterized in that the backing plate (7) is provided with a back flushing channel (72), the back flushing channel (72) comprises a back flushing small hole (721), and when the valve core (2) seals the feed inlet of the valve body (1), the back flushing small hole (721) faces the valve core (2).
9. A spiral band dryer hemisphere valve structure as claimed in claim 1 or 2 or 3 or 4 wherein the valve body (1) is further connected with a nozzle assembly (9), the nozzle assembly (9) is communicated with an inner cavity (13) of the valve body (1).
10. A spiral band dryer hemisphere valve structure as claimed in claim 1 or 2 or 3 or 4 wherein a cleaning assembly (10) is further connected to the valve body (1), the cleaning assembly (10) being in communication with the inner cavity (13) of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321817086.8U CN220706459U (en) | 2023-07-11 | 2023-07-11 | Hemispherical valve structure for spiral belt dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321817086.8U CN220706459U (en) | 2023-07-11 | 2023-07-11 | Hemispherical valve structure for spiral belt dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220706459U true CN220706459U (en) | 2024-04-02 |
Family
ID=90439549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321817086.8U Active CN220706459U (en) | 2023-07-11 | 2023-07-11 | Hemispherical valve structure for spiral belt dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220706459U (en) |
-
2023
- 2023-07-11 CN CN202321817086.8U patent/CN220706459U/en active Active
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