CN211715792U - Rotary RTO zero-leakage high-temperature valve - Google Patents
Rotary RTO zero-leakage high-temperature valve Download PDFInfo
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- CN211715792U CN211715792U CN202020273951.7U CN202020273951U CN211715792U CN 211715792 U CN211715792 U CN 211715792U CN 202020273951 U CN202020273951 U CN 202020273951U CN 211715792 U CN211715792 U CN 211715792U
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Abstract
The utility model discloses a zero high temperature valve that leaks of rotation type RTO, hold flange including first end flange, shell, insulation material inside lining and second, the inside big, little air current passageway that forms of insulation material inside lining, through interior taper hole intercommunication between the big, little air current passageway, interior taper hole is provided with the valve plate with the junction of big air current passageway, be provided with valve plate insulation material layer on the valve plate, the one end and the tilting mechanism of valve plate are connected and the valve plate upset is connected the valve plate insulation material layer and is cup jointed with interior taper hole matching seal after the closed condition. Adopt the high temperature valve of this application, on the one hand, adopt the sealed form of conical surface, guaranteed that the valve plate is sealed completely when closing, realized gaseous zero leakage, on the other hand, when the valve plate was closed, only valve plate insulation material layer contacted with high-temperature gas, valve plate and tilting mechanism etc. made by the metal were in relatively microthermal operational environment all the time, had improved life greatly, had improved economic benefits.
Description
Technical Field
The utility model relates to a waste gas treatment valve technical field, concretely relates to zero high temperature valve that leaks of rotation type RTO.
Background
At present, the high temperature valve used on all RTO (regenerative thermal oxidizer) of the industry adopts the form of the ordinary butterfly valve as shown in figure 3, mainly comprises a shell made of metal, a heat insulation material lining and a valve plate made of metal, and when the valve plate is designed, the heat insulation material lining is scratched in order to avoid the valve plate rotating, so when the valve plate is closed, a certain gap is still left between the valve plate and the heat insulation material lining, thereby the leakage of high temperature gas can be caused, the sealing effect of the valve can be influenced, and the high temperature valve is not beneficial to energy conservation and environmental protection.
In addition, the valve plate of the valve with the structure is always in the environment of high-temperature gas and is easy to corrode at high temperature, so that the service life of the valve is shortened.
Therefore, there is a need for an improved valve of the prior art to address the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a zero leakage high temperature valve of rotation type RTO to ensure the sealed effect of valve, improve life simultaneously.
The embodiment of the utility model solves above-mentioned problem through following technical means:
the utility model provides a zero high temperature valve that leaks of rotation type RTO, includes first end flange, shell, insulation material inside lining and second end flange, the inside big, little air current passageway that forms of insulation material inside lining, through interior taper hole intercommunication between big, the little air current passageway, the junction of interior taper hole and big air current passageway is provided with the valve plate, be provided with valve plate insulation material layer on the valve plate, the one end and the tilting mechanism of valve plate are connected and valve plate insulation material layer and interior taper hole match sealed the cup jointing after the valve plate upset to the closed condition.
Further, tilting mechanism is including the pivot and the drive pivot pivoted drive arrangement that span the shell, the one end and the pivot fixed connection of valve plate, drive arrangement is connected with the pivot transmission through unsmooth square head.
Furthermore, one end of the rotating shaft, which is far away from the driving device, is rotatably connected with the side wall of one side of the shell through a shaft sleeve, and the driving device is fixedly connected with the side wall of the other side of the shell through a support.
Further, the driving device is a pneumatic actuator or a motor.
Furthermore, graphite packing is embedded in the inner side of the shaft sleeve.
Further, the heat insulation material lining is fixed on the inner side of the shell through screws, the valve plate heat insulation material layer is fixedly connected with the valve plate through screws, and the shaft sleeve is fixedly connected with the shell through screws.
Further, the heat insulation material lining and the valve plate heat insulation material layer are both made of high-temperature resistant ceramic fibers, the valve plate and the rotating shaft are both made of high-temperature resistant metal, and the shell is made of a steel plate.
Furthermore, a cooling cavity is formed in the hollow rotating shaft, and the cooling cavity is connected with the air pressure feeding device through a pipeline.
The utility model has the advantages that:
the utility model discloses a zero high temperature valve that leaks of rotation type RTO, including first end flange, shell, insulation material inside lining and second end flange, the inside big, little air current passageway that forms of insulation material inside lining, through interior taper hole intercommunication between big, little air current passageway, interior taper hole is provided with the valve plate with the junction of big air current passageway, be provided with valve plate insulation material layer on the valve plate, the one end and the tilting mechanism of valve plate are connected and valve plate insulation material layer and interior taper hole match sealed the cup jointing after the valve plate overturns to the closed condition. Adopt the high temperature valve of this application, on the one hand, adopt the sealed form of conical surface, guaranteed that the valve plate is sealed completely when closing, realized gaseous zero leakage, on the other hand, when the valve plate was closed, only valve plate insulation material layer contacted with high-temperature gas, valve plate and tilting mechanism etc. made by the metal were in relatively microthermal operational environment all the time, had improved life greatly, had improved economic benefits.
Drawings
The invention is further described with reference to the following figures and examples.
Fig. 1 is a schematic external structural view of an embodiment of the present invention;
fig. 2 is a cross-sectional view of an embodiment of the present invention;
fig. 3 is a cross-sectional view of the prior art.
Reference numerals: 1. the first end is connected with a flange; 2. a housing; 3. a valve plate heat-insulating material layer; 4. a valve plate; 5. a thermal insulation material lining; 6. the second end is connected with the flange; 7. a shaft sleeve; 8. a screw; 9. a rotating shaft; 10. a support; 11. a drive device.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-2: the embodiment provides a zero high temperature valve that leaks of rotation type RTO, includes first end flange 1, second end flange 6, shell 2, insulation material inside lining 5, valve plate 4, valve plate insulation material layer 3, pivot 9 and drive arrangement 11. The first end connecting flange 1 and the second end connecting flange 6 are used for being connected with pipelines at two ends. The shell 2 is a square pipeline welded by Q235 steel plates. The heat insulation material lining 5 is fixed on the inner side of the shell through screws, is made of high-temperature resistant ceramic fiber bricks, forms a large air flow channel and a small air flow channel inside, and is communicated with the large air flow channel and the small air flow channel through inner taper holes. The valve plate 4 is installed at the junction of the inner taper hole and the atmospheric flow channel, and is made of a high-temperature-resistant metal material SS310S, the heat-insulating material layer 3 is fixed on one side of the valve plate through screws and made of high-temperature-resistant ceramic fibers, one end of the valve plate is fixedly connected with the rotating shaft 9, and the rotation of the rotating shaft can drive the valve plate 4 and the valve plate heat-insulating material layer 3 to turn over synchronously, so that the valve can be closed or the valve plate is positioned at a certain angle to adjust the flow of the airflow channel. And after the valve plate is turned to a closed state, the valve plate heat-insulating material layer 3 is matched, sealed and sleeved with the inner taper hole, namely, the outer wall of the valve plate heat-insulating material layer 3 forms an outer conical surface matched and sleeved with the inner taper hole.
The pivot 9 spanes shell 2, and the material is high temperature resistant metal material SS310S, and the one end of pivot 9 is passed through axle sleeve 7 and is connected with the one side lateral wall rotation of shell, and the other end is connected with drive arrangement 11 transmission through unsmooth square head, axle sleeve 7 passes through screw 8 and shell 2 fixed connection, and graphite packing is inlayed to the inboard of axle sleeve 7 to it is sealed and thermal-insulated. The driving device 11 is fixedly connected with the side wall of the other side of the shell through a support 10, the driving device 11 can be a motor or a pneumatic actuator, in the embodiment, the pneumatic actuator is selected, the pneumatic actuator 11 is a general device which can be directly purchased in the market, can be controlled or driven by gas pressure to rotate the rotating shaft 9, and can be controlled by a central control room instruction or program operation.
The rotating shaft is hollow to form a cooling cavity, the cooling cavity is connected with an air pressure feeding device (such as an air pump) through a pipeline, and cooling of the rotating shaft can be accelerated by blowing cold air.
In conclusion, the high-temperature valve of the embodiment is adopted, on one hand, the complete sealing of the valve plate when the valve plate is closed is ensured through the conical surface sealing structure formed by the inner conical hole and the outer wall of the valve plate heat-insulating material layer, zero leakage of gas is realized, the sealing effect is ensured, energy conservation and environmental protection are facilitated, on the other hand, when the valve plate is closed, the valve plate heat-insulating material layer realizes the thorough sealing of high-temperature gas, only the valve plate heat-insulating material layer is in contact with the high-temperature gas, the valve plate, the turnover mechanism and the like which are made of metal are always in relatively low-temperature working environments, the service cycle.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (8)
1. The utility model provides a zero high temperature valve that leaks of rotation type RTO, includes first end flange, shell, insulation material inside lining and second end flange, its characterized in that: the valve plate is characterized in that a large air flow channel and a small air flow channel are formed inside the heat insulation material lining, the large air flow channel and the small air flow channel are communicated through an inner taper hole, a valve plate is arranged at the joint of the inner taper hole and the large air flow channel, a valve plate heat insulation material layer is arranged on the valve plate, one end of the valve plate is connected with the turnover mechanism, and the valve plate heat insulation material layer is matched with the inner taper hole in a sealing sleeved mode after the valve plate is.
2. The rotary RTO zero-leak high temperature valve of claim 1, wherein: tilting mechanism is including the pivot and the drive shaft pivoted drive arrangement that span the shell, the one end and the pivot fixed connection of valve plate, drive arrangement is connected with the pivot transmission through unsmooth square head.
3. The rotary RTO zero-leak high temperature valve of claim 2, wherein: one end of the rotating shaft, far away from the driving device, is rotatably connected with the side wall of one side of the shell through a shaft sleeve, and the driving device is fixedly connected with the side wall of the other side of the shell through a support.
4. The rotary RTO zero-leak high temperature valve of claim 3, wherein: the driving device is a pneumatic actuator or a motor.
5. The rotary RTO zero-leak high temperature valve of claim 4, wherein: graphite packing is inlayed to the axle sleeve inboard.
6. The rotary RTO zero-leak high temperature valve of claim 5, wherein: the heat insulation material lining is fixed on the inner side of the shell through screws, the valve plate heat insulation material layer is fixedly connected with the valve plate through screws, and the shaft sleeve is fixedly connected with the shell through screws.
7. The rotary RTO zero-leak high temperature valve of claim 6, wherein: the heat insulation material lining and the valve plate heat insulation material layer are both made of high-temperature-resistant ceramic fibers, the valve plate and the rotating shaft are both made of high-temperature-resistant metals, and the shell is made of steel plates.
8. The rotary RTO zero-leak high temperature valve of claim 7, wherein: the rotating shaft is hollow to form a cooling cavity, and the cooling cavity is connected with an air pressure feeding device through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020273951.7U CN211715792U (en) | 2020-03-09 | 2020-03-09 | Rotary RTO zero-leakage high-temperature valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020273951.7U CN211715792U (en) | 2020-03-09 | 2020-03-09 | Rotary RTO zero-leakage high-temperature valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211715792U true CN211715792U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020273951.7U Active CN211715792U (en) | 2020-03-09 | 2020-03-09 | Rotary RTO zero-leakage high-temperature valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211715792U (en) |
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2020
- 2020-03-09 CN CN202020273951.7U patent/CN211715792U/en active Active
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