CN216895923U - Three-way valve for VOCs equipment - Google Patents
Three-way valve for VOCs equipment Download PDFInfo
- Publication number
- CN216895923U CN216895923U CN202123440200.3U CN202123440200U CN216895923U CN 216895923 U CN216895923 U CN 216895923U CN 202123440200 U CN202123440200 U CN 202123440200U CN 216895923 U CN216895923 U CN 216895923U
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- Prior art keywords
- valve
- central shaft
- vocs
- cylindrical cavity
- way valve
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 8
- 210000004907 gland Anatomy 0.000 claims description 22
- 238000012423 maintenance Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The present disclosure provides a three-way valve for VOCs equipment, including: the valve comprises a valve body with a cylindrical cavity, a valve core which is arranged in the cylindrical cavity and is in a sector cylindrical shape, and a driving device for driving the valve core to rotate around the central shaft of the cylindrical cavity; the cavity wall of the cylindrical cavity is provided with three valve ports; the valve core is made of ceramic materials and used for adjusting the opening degree of two adjacent valve ports under the driving of a driving device. The valve core is connected with a central shaft; the central shaft and the cylindrical cavity are coaxially arranged, two ends of the central shaft extend out of the valve body, sealing structures are arranged between two ends of the central shaft and two ends of the valve body, and one end of the central shaft is connected with the output end of the driving device.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a three-way valve for VOCs equipment.
Background
The three-way valve is a novel valve widely used for cutting, distributing and changing the flow direction of a medium in a pipeline, and is positioned behind a heat exchanger, and is sent into a runner desorption area by controlling the mixing and temperature regulation of the air quantity of high-temperature gas from RTO and purified gas; because the three-way valve contacts high-temperature gas, one part of the three-way port is at the temperature of 800-900 ℃ and the other part of the three-way port is at normal temperature, the valve made of metal materials has poor stability, the valve core is seriously deformed thermally, the service life is low, in addition, after the sealing seat which is directly contacted with the valve core is used for a long time, the abrasion is aggravated, the sealing seat of the three-way valve in the prior art and the valve body are of an integrated structure, after the sealing seat fails, the whole three-way valve is scrapped, and the maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
To address at least one of the above technical problems, the present disclosure provides a three-way valve for a VOCs apparatus.
According to one aspect of the disclosure, a three-way valve for a VOCs plant comprises: the valve comprises a valve body with a cylindrical cavity, a valve core which is arranged in the cylindrical cavity and is in a sector cylindrical shape, and a driving device for driving the valve core to rotate around the central shaft of the cylindrical cavity;
the cavity wall of the cylindrical cavity is provided with three valve ports;
the valve core is made of ceramic materials and used for adjusting the opening degree of two adjacent valve ports under the driving of a driving device.
According to at least one embodiment of the present disclosure, a central shaft is connected to the spool;
the central shaft and the cylindrical cavity are coaxially arranged, two ends of the central shaft extend out of the valve body, sealing structures are arranged between two ends of the central shaft and two ends of the valve body, and one end of the central shaft is connected with the output end of the driving device.
According to at least one embodiment of the present disclosure, the sealing structure includes a seat ring, a sealing ring and a sealing gland all sleeved outside the central shaft;
the seat ring is fixedly connected with the valve body, and one end of the seat ring close to the valve body is provided with a step extending towards the central shaft;
the sealing ring is positioned between the seat ring and the central shaft, and two end parts of the sealing ring respectively abut against the step and the sealing gland;
the sealing gland is connected with the seat ring.
According to at least one embodiment of the present disclosure, the gland is axially adjustable.
According to at least one embodiment of the present disclosure, the gland is threadably connected with the seat ring.
According to at least one embodiment of the present disclosure, the valve core includes three sector plates uniformly arranged along the axial direction of the cylindrical cavity, an arc plate concentric with the cylindrical cavity, and a rib plate disposed between any two sector plates; the arc plate and the rib plate are welded with the sector plate.
According to at least one embodiment of the present disclosure, the fan-shaped plate and/or the rib plate are provided with through vent holes.
According to at least one embodiment of the present disclosure, a valve stem is detachably connected to one end of the central shaft; the valve rod is connected with the output end of the driving device.
According to at least one embodiment of the present disclosure, one end of the central shaft is provided with a connecting hole adapted to one end of the valve rod; the wall of the connecting hole is provided with a bolt hole which radially penetrates through the connecting hole, and a bolt is matched in the bolt hole; the bolt penetrates through the valve rod.
The beneficial effects of this disclosure are: the three-way valve for VOCs equipment is positioned behind the heat exchanger and is used for controlling the temperature by controlling the mixing of high-temperature gas from the RTO regenerative oxidation furnace and purified gas. The temperature difference between two adjacent ports of the three-port of the three-way valve for the VOCs equipment is large, so that the valve made of metal materials is poor in stability and serious in thermal deformation. Compared with the prior art, the three-way valve for the VOCs equipment, provided by the utility model, has the advantages that the valve core is made of ceramic materials, the expansion rate change of the ceramic materials caused by different temperatures is low, the ceramic materials are not easy to deform, and the valve core made of the ceramic materials has high heat resistance and high stability.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
Fig. 1 is a schematic diagram of a three-way valve for a VOCs plant according to an embodiment of the present disclosure.
Fig. 2 is a sectional view a-a in fig. 1.
Fig. 3 is a perspective view of a three-way valve for the VOCs apparatus shown in fig. 1.
Fig. 4 is an enlarged structure diagram of a region B in fig. 2.
Fig. 5 is a schematic view showing the construction of a valve spool in the three-way valve for the VOCs apparatus shown in fig. 1.
Reference numerals: 10-a valve body; 11-valve port; 12-a cylinder; 121-mounting flange; 13-end cap; 14-a cylindrical cavity; 15-U-shaped bracket; 20-a valve core; 21-sector plates; 22-arc plate; 23-rib plates; 30-a central axis; 31-a connection hole; 40-a sealing structure; 41-a seat ring; 411-step; 42-a sealing ring; 43-a sealing gland; 50-a valve stem; 60-a bearing seat; 70-bolt.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 4, according to a first embodiment of the present disclosure, there is provided a three-way valve for a VOCs apparatus, including: the valve comprises a valve body 10 with a cylindrical cavity 14, a valve core 20 which is arranged in the cylindrical cavity 14 and is in a fan-shaped cylindrical shape, and a driving device which drives the valve core 20 to rotate around a central shaft 30 of the cylindrical cavity 14; the wall of the cylindrical cavity 14 is provided with three valve ports 11; the valve core 20 is made of ceramic material, and the valve core 20 is used for adjusting the opening degree of two adjacent valve ports 11 under the driving of the driving device.
As shown in fig. 1 to 3, in the present embodiment, the valve body 10 is formed by connecting a cylinder 12 and two end caps 13, and is convenient to manufacture. The inner circumferential surface of the cylinder 12 and the opposing surfaces of the two end caps 13 enclose a cylindrical cavity 14.
To facilitate removal of the cartridge 20 and maintenance, in one embodiment, a mounting flange 121 is attached to at least one end of the barrel 12, and the mounting flange 121 is removably attached, such as bolted, to the end cap 13. Mounting flange 121 may be integrally formed with barrel 12 or may be attached to barrel 12 by welding. It will be appreciated that a gasket is provided between the mounting flange 121 and the end cap 13 to prevent air leakage.
As shown in fig. 1 to 3, in order to facilitate connection of the present disclosure with other devices, three circular pipes are welded in sequence on the outer circumferential surface of the valve body 10, and the three circular pipes are three valve ports 11.
For the convenience of driving and the reduction of the weight of the valve core 20, as shown in fig. 5, the valve core 20 includes three sector plates 21 uniformly arranged along the axial direction, an arc plate 22 concentric with the cylindrical cavity 14, and a rib plate 23 arranged between any two sector plates 21; the arc surfaces of the three sector plates 21 are attached to and welded with the inner circle surface of the arc plate 22, so that the outer circle surface of the arc plate 22 can better cover the valve port 11. Preferably, the rib plate 23 and/or the sector plate 21 are provided with a plurality of through vent holes, which is beneficial to mixing hot air and cold air.
According to one embodiment of the present disclosure, as shown in fig. 2, a central shaft 30 is connected to the valve spool 20; the central shaft 30 and the cylindrical cavity 14 are coaxially arranged, two ends of the central shaft 30 extend out of the valve body 10, the sealing structures 40 are arranged between two ends of the central shaft 30 and two ends of the valve body 10, and one end of the central shaft 30 is connected with the output end of the driving device. By providing the central shaft 30 to transmit power, the driving device can be disposed outside the cylinder 12, which facilitates maintenance and prevents the driving device from being corroded and damaged by exhaust gas. In one embodiment, the valve core 20 is sleeved outside the central shaft 30 and is connected with the central shaft 30 in a welding manner.
The sealing structure 40 may employ a conventional sealing ring, and according to one embodiment of the present disclosure, as shown in fig. 4, the sealing structure 40 includes a seat ring 41, a sealing ring 42 and a sealing gland 43 all sleeved outside the central shaft 30; the seat ring 41 is fixedly connected with the valve body 10, and one end of the seat ring 41 close to the valve body 10 is provided with a step 411 extending towards the central shaft 30; the sealing ring 42 is located between the seat ring 41 and the central shaft 30, and two ends of the sealing ring 42 respectively abut against the step 411 and the sealing gland 43; the gland 43 is connected to the seat ring 41. The seat ring 41 is welded with the end cover 13, so that the seat ring 41 is fixed, and the seat ring 41 and the end cover 13 are sealed to prevent air leakage.
According to one embodiment of the present disclosure, the sealing gland 43 is adjustable along the axial direction, so that the tightness of the sealing ring 42 can be adjusted, and on one hand, the central shaft 30 can smoothly rotate on the premise of ensuring sealing; on the other hand, after the seal ring 42 is worn, the position of the seal gland 43 is adjusted to compensate for the wear amount, thereby improving the service life of the seal ring 42. In a particular embodiment, the gland 43 is threadably coupled to the seat ring 41. The seal gland 43 may be provided with a threaded hole, and the seat ring 41 may be provided with an external thread; alternatively, the sealing gland 43 is provided with external threads, and the seat ring 41 is provided with internal threads; in the present embodiment, the gland 43 and the seat ring 41 are connected by bolts, specifically, as shown in fig. 4, the bolts pass through the gland 43 and are screwed with the seat ring 41, and the position of the gland 43 can be adjusted by rotating the bolts, thereby adjusting the tightness of the seal ring 42.
According to one embodiment of the present disclosure, as shown in fig. 1 to 4, a U-shaped bracket 15 is welded to one side of the end cover 13 away from the cylinder 12, and a bearing seat 60 is connected to the U-shaped bracket 15; both ends of the center shaft 30 are rotatably supported by the U-shaped brackets 15 via bearing blocks 60.
According to one embodiment of the present disclosure, as shown in fig. 2 and 4, a valve stem 50 is detachably attached to one end of the center shaft 30; the valve stem 50 is connected to the output of the drive means. Valve rod 50 and center pin 30 can be dismantled and be connected, and when being convenient for maintain, earlier with drive arrangement separation, more convenient maintenance. The existing detachable connection mode such as a threaded connection mode can be adopted, and according to one embodiment of the present disclosure, as shown in fig. 2 and 4, a connection hole 31 matched with one end of the valve rod 50 is formed at one end of the central shaft 30; the hole wall of the connecting hole 31 is provided with a bolt hole which penetrates in the radial direction, and a bolt 70 is matched in the bolt hole; the latch 70 is disposed through the valve stem 50, and it is convenient to separate the valve stem 50 and the central shaft 30 by removing the latch 70.
The working principle is as follows:
three valve ports are respectively an A port, a B port and a C port, high-temperature gas from RTO enters a cylindrical cavity through the A port, purified gas enters the cylindrical cavity through the B port, the purified gas is discharged through the C port after mixing, the valve core 20 rotates, the area of the A port or the B port, which is shielded by the fan-shaped plate 21, is changed, so that the opening degrees of the A port and the B port are adjusted, the air inflow of the high-temperature gas from RTO and the purified gas is adjusted, and the purpose of temperature adjustment is achieved.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (9)
1. A three-way valve for VOCs equipment, comprising: the valve comprises a valve body (10) with a cylindrical cavity (14), a valve core (20) which is arranged in the cylindrical cavity (14) and is in a sector cylindrical shape, and a driving device for driving the valve core (20) to rotate around a central shaft (30) of the cylindrical cavity (14);
the cavity wall of the cylindrical cavity (14) is provided with three valve ports (11);
the valve core (20) is made of a ceramic material, and the valve core (20) is used for adjusting the opening degree of two adjacent valve ports (11) under the driving of a driving device.
2. A three-way valve for a VOCs plant as claimed in claim 1 wherein a central shaft (30) is attached to said spool (20);
the center pin (30) with cylindrical cavity (14) coaxial setting, the both ends of center pin (30) all extend to outside valve body (10), center pin (30) both ends with all be provided with seal structure (40) between the both ends of valve body (10), the one end of center pin (30) with drive arrangement's output is connected.
3. A three-way valve for VOCs plants according to claim 2, wherein the sealing structure (40) comprises a seat ring (41), a sealing ring (42) and a sealing gland (43) all fitted over the central shaft (30);
the seat ring (41) is fixedly connected with the valve body (10), and one end, close to the valve body (10), of the seat ring (41) is provided with a step (411) extending towards the central shaft (30);
the sealing ring (42) is positioned between the seat ring (41) and the central shaft (30), and two ends of the sealing ring (42) are respectively abutted to the step (411) and the sealing gland (43);
the gland (43) is connected to the seat ring (41).
4. A three-way valve for a VOCs plant according to claim 3 wherein the gland (43) is axially adjustable.
5. A three-way valve for VOCs applications according to claim 4, wherein the gland (43) is threadably connected to the seat ring (41).
6. A three-way valve for VOCs apparatus according to claim 1, wherein the valve body (20) comprises three sector plates (21) uniformly arranged in the axial direction of the cylindrical cavity (14), a circular arc plate (22) concentric with the cylindrical cavity (14), and a rib plate (23) provided between any two sector plates (21); the arc plate (22) and the rib plate (23) are welded with the sector plate (21).
7. The three-way valve for VOCs equipment according to claim 6, wherein the sector plate (21) and/or the rib plate (23) are provided with through vent holes.
8. A three-way valve for a VOCs apparatus as claimed in claim 2 wherein a valve stem (50) is removably attached to one end of the central shaft (30); the valve rod (50) is connected with the output end of the driving device.
9. A three-way valve for VOCs apparatus as claimed in claim 8, wherein one end of the central shaft (30) is opened with a connection hole (31) adapted to one end of the valve stem (50); the wall of the connecting hole (31) is provided with a bolt hole which penetrates through the connecting hole in the radial direction, and a bolt (70) is matched in the bolt hole; the latch (70) is disposed through the valve stem (50).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123440200.3U CN216895923U (en) | 2021-12-30 | 2021-12-30 | Three-way valve for VOCs equipment |
| PCT/CN2022/113616 WO2023124130A1 (en) | 2021-12-30 | 2022-08-19 | Three-way valve for vocs apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123440200.3U CN216895923U (en) | 2021-12-30 | 2021-12-30 | Three-way valve for VOCs equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216895923U true CN216895923U (en) | 2022-07-05 |
Family
ID=82210442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123440200.3U Active CN216895923U (en) | 2021-12-30 | 2021-12-30 | Three-way valve for VOCs equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN216895923U (en) |
| WO (1) | WO2023124130A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124130A1 (en) * | 2021-12-30 | 2023-07-06 | 双福源（天津）环境科技发展有限公司 | Three-way valve for vocs apparatus |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2311974A2 (en) * | 1975-05-23 | 1976-12-17 | Millet Jean | PERFECTIONS MADE TO VALVES OR TAPS |
| DE4416039C1 (en) * | 1994-05-06 | 1995-08-31 | Freudenberg Carl Fa | Mixer control valve |
| CN2839765Y (en) * | 2005-04-25 | 2006-11-22 | 孟凡琅 | Three-way cock |
| CN201081033Y (en) * | 2007-07-25 | 2008-07-02 | 威利马电器有限公司 | Water volume control valve for clothes ironing equipment and clothes ironing equipment |
| CN202708200U (en) * | 2012-06-21 | 2013-01-30 | 上海特一阀门制造有限公司 | Novel electric three-way regulating valve |
| CN103148242A (en) * | 2013-03-07 | 2013-06-12 | 安庆泰邦机械科技有限责任公司 | Two-position six-way quick switching valve |
| EP2821679A1 (en) * | 2013-07-05 | 2015-01-07 | Esbe AB | Temperature adjustment valve |
| CN204420199U (en) * | 2015-01-13 | 2015-06-24 | 武汉汉德阀门仪表有限公司 | There is the three-way diverter valve of quadrant tubular spool |
| CN105626905B (en) * | 2016-03-14 | 2018-10-30 | 江苏海龙核科技股份有限公司 | A kind of manual rotary three-way control valve |
| DE202017101386U1 (en) * | 2017-03-10 | 2017-05-10 | Watts Industries Deutschland Gmbh | fitting |
| CN112066038B (en) * | 2019-06-10 | 2022-08-09 | 菲索欧洲指数有限责任公司 | Three-way mixer with adjustable KVS value |
| CN216895923U (en) * | 2021-12-30 | 2022-07-05 | 双福源（天津）环境科技发展有限公司 | Three-way valve for VOCs equipment |
-
2021
- 2021-12-30 CN CN202123440200.3U patent/CN216895923U/en active Active
-
2022
- 2022-08-19 WO PCT/CN2022/113616 patent/WO2023124130A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124130A1 (en) * | 2021-12-30 | 2023-07-06 | 双福源（天津）环境科技发展有限公司 | Three-way valve for vocs apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023124130A1 (en) | 2023-07-06 |
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