CN203979416U - A kind of electronic hot-resistant valve door device - Google Patents
A kind of electronic hot-resistant valve door device Download PDFInfo
- Publication number
- CN203979416U CN203979416U CN201420206023.3U CN201420206023U CN203979416U CN 203979416 U CN203979416 U CN 203979416U CN 201420206023 U CN201420206023 U CN 201420206023U CN 203979416 U CN203979416 U CN 203979416U
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- CN
- China
- Prior art keywords
- rotating ring
- door device
- valve door
- dark bar
- flange
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Abstract
The utility model relates to electric high-temperature valving technical field.A kind of electronic hot-resistant valve door device, relate to valve body, it is characterized in that: two stationary rings are installed in valve body up and down, between two stationary rings, be provided with a rotating ring, two stationary rings are installed in parallel on body cavity wall, rotating ring with dark bar lower end by being fixedly connected with, rotating ring can vertically move between two stationary rings, dark bar upper end is connected with electric control mechanism, dark bar intermediate portion is threaded, dark bar is in mating connection by the screw thread of screw thread and fixed cover, and fixed cover is fixed on valve body by flange mode.The utility model is simple in structure, and at 800 DEG C of hot environment good sealing effects, cost is low.
Description
Technical field
The utility model relates to dynamic seal apparatus technical field, particularly a kind of electronic hot-resistant valve door device.
Background technique
Electric high-temperature valve is as the important device of 800 DEG C of high-temperature gases of a kind of control at present, what adopt is electronic high temperature resistant gate valve and electric ball valve, electric ball valve in use there will be spool not start to cause valve not open, serious impact operating mode, electric gate valve is cooling owing to not having, due to Long contact time high temperature, refractory steel can not bear its life-span within 1 year.The electronic control in worst hot case of above two kinds of valves is also subject to the operation that affects operating mode of steel thermal expansion conventionally.Expensive in addition, operating cost is high, and actual effect is bad.
Summary of the invention
For addressing the above problem, the utility model provides a kind of electronic hot-resistant valve door device, simple in structure, is applicable to hot environment, and sealing effect is good, and cost is low, long service life.
The technological scheme that the utility model adopted is for achieving the above object: a kind of electronic hot-resistant valve door device, relate to valve body, two stationary rings are installed in valve body up and down, between two stationary rings, be provided with a rotating ring, two stationary rings are installed in parallel on body cavity wall, rotating ring with dark bar lower end by being fixedly connected with, rotating ring can vertically move between two stationary rings, dark bar upper end is connected with electric control mechanism, dark bar intermediate portion is threaded, dark bar is in mating connection by the screw thread of screw thread and fixed cover, and fixed cover is fixed on valve body by flange mode.
Described stationary ring sealing surface side is provided with seal groove, and seal groove is provided with tapering, and tapering is between 1:2～1:3; Upper and lower two sealing surfaces of described rotating ring are provided with flange, and flange is provided with tapering, and tapering is between 1:2～1:3, the seal groove mechanical seal of flange and stationary ring.
Between described dark bar and rotating ring, be connected by fixing pin.
Between described dark bar and fixed cover, be provided with graphite packing_seal.
The machining accuracy of the sealing surface of described seal groove and rotating ring is that 0.2～0.8 μ m(removes material).
The pyrolysis gas that the medium of described electronic hot-resistant valve door device circulation is living beings, the main component of pyrolysis gas is H
2, CO
2, CO, C
3h
6, CH
4, C
2h
4, C
2h
6, C
2h
2, N
2, C
mh
n.
The Applicable scope of described valve port latus rectum is DN50～DN100.
Described valve body is three-way valve, three-way valve is divided into converging valve and diverter valve, in the time of the flange of rotating ring and the seal groove close contact of upper stationary ring, stream socket A and the stream socket B of valve body communicate, stream socket A and stream socket C close, in the time of the flange of rotating ring and the seal groove close contact of lower stationary ring, stream socket A and the stream socket C of valve body communicate, and stream socket A and stream socket B close.
Described valve body is Twoway valves, and in the time of the flange of rotating ring and the seal groove close contact of upper stationary ring, valve is in closed condition, and in the time of the flange of rotating ring and the seal groove close contact of lower stationary ring, valve is in opening state.
Use the utility model effect remarkable: the utility model adopts two parallel being connected on body cavity wall of stationary ring, rotating ring is connected by fixing pin with dark bar lower end, rotating ring can vertically move between two stationary rings, dark bar upper end is connected with electric control mechanism, between dark bar and fixed cover with being threaded, between dark bar and rotating ring, be connected by fixing pin, ensure the rotating ring that is connected with dark bar kinematic accuracy in the vertical direction, fixed cover is fixed on valve body by flange mode, can make dark bar and rotating ring do vertical motion by electric control mechanism, can realize automatic control.In the time of the flange of rotating ring and the seal groove close contact of upper stationary ring, stream socket A and the stream socket B of valve body communicate, stream socket A and stream socket C close, in the time of the flange of rotating ring and the seal groove close contact of lower stationary ring, stream socket A and the stream socket C of valve body communicate, and stream socket A and stream socket B close.The conveying tolerance that the utility model valving is applicable to medium is 25Nm3/h～300 Nm3/h, and the temperature of fed sheet of a media is 150 DEG C～800 DEG C, and the pressure head of fed sheet of a media is 3～20kPa.The utility model is simple in structure, and at 800 DEG C of hot environment good sealing effects, cost is low.
Brief description of the drawings
Fig. 1 is the electronic high temp .-resistant valve apparatus structure of the utility model schematic diagram (threeway);
Fig. 2 is the electronic high temp .-resistant valve apparatus structure of the utility model schematic diagram (two-way);
Fig. 3 is the utility model movable ring structure schematic diagram;
Fig. 4 is the utility model static-ring structure schematic diagram.
1-valve body in figure, 2-stationary ring, 3-rotating ring, the dark bar of 4-, 5-fixed cover, 6-electric control mechanism, 7-seal groove, 8-flange, 9-fixing pin.
Embodiment
Below in conjunction with specific embodiment, the utility model is elaborated, but the utility model is not limited to specific embodiment.
embodiment 1
An electronic hot-resistant valve door device, relates to valve body 1 as shown in Figure 1, and valve body is three-way valve, and three-way valve is divided into converging valve and diverter valve by the fluid mode of action, and converging valve has two entrances, behind interflow, flows out from an outlet.Diverter valve has a fluid input, after shunting, is flowed out by two fluid outputs.In valve body, be provided with up and down between 2, two stationary rings of two stationary rings and be provided with a rotating ring 3, described stationary ring sealing surface side is provided with seal groove 7, and seal groove is provided with tapering, and tapering is between 1:2～1:3.Upper and lower two sealing surfaces of rotating ring are provided with flange 8, and flange is provided with tapering, and tapering is between 1:2～1:3, are mechanical seal between the flange of rotating ring and the seal groove of stationary ring.The machining accuracy of the seal groove of described stationary ring and the flange seal surface of rotating ring is 0.2～0.8 μ m (removal material).Two stationary rings are installed in parallel on body cavity wall, rotating ring 3 is fixedly connected with by fixing pin 9 with dark bar 4 lower ends, rotating ring can vertically move between two stationary rings, dark bar upper end is connected with electric control mechanism 6, dark bar intermediate portion is threaded, dark bar is in mating connection by the screw thread of screw thread and fixed cover 5, between dark bar and fixed cover, is provided with graphite packing_seal, and fixed cover is fixed on valve body by flange mode.In the time of the flange of rotating ring and the seal groove close contact of upper stationary ring, stream socket A and the stream socket B of valve body communicate, stream socket A and stream socket C close, in the time of the flange of rotating ring and the seal groove close contact of lower stationary ring, stream socket A and the stream socket C of valve body communicate, and stream socket A and stream socket B close.
The medium of described sealing is the pyrolysis gas of living beings, and the main component of pyrolysis gas is H
2, CO
2, CO, C
3h
6, CH
4, C
2h
4, C
2h
6, C
2h
2, N
2,c
mh
n.
The Applicable scope of described valve port latus rectum is DN50～DN100.
Embodiment 2
As shown in Figure 2, a kind of electronic hot-resistant valve door device, relates to valve body 1, valve body is Twoway valves, is provided with up and down between 2, two stationary rings of two stationary rings and is provided with a rotating ring 3 in valve body, described stationary ring sealing surface side is provided with seal groove 7, and seal groove is provided with tapering, and tapering is between 1:2～1:3.Upper and lower two sealing surfaces of rotating ring are provided with flange 8, and flange is provided with tapering, and tapering is between 1:2～1:3, the seal groove mechanical seal of flange and stationary ring.The machining accuracy of stating the sealing surface of seal groove and rotating ring is 0.2～0.8 μ m (removal material).Two stationary rings are installed in parallel on body cavity wall, rotating ring 3 is fixedly connected with by fixing pin 9 with dark bar 4 lower ends, rotating ring can vertically move between two stationary rings, dark bar upper end is connected with electric control mechanism 6, dark bar intermediate portion is threaded, dark bar is in mating connection by the screw thread of screw thread and fixed cover 5, between dark bar and fixed cover, is provided with graphite packing_seal, and fixed cover is fixed on valve body by flange mode.In the time of the flange of rotating ring and the seal groove close contact of upper stationary ring, valve is in closed condition, and in the time of the flange of rotating ring and the seal groove close contact of lower stationary ring, valve is in opening state.
Embodiment 3
The present embodiment is stressed in the application with in biomass straw production activated carbon system.
Utilize and in biomass straw production activated carbon system, need high temperature (anaerobic) gas with 800 DEG C, the pressure head of gas is 6kPa, gas flow is 55 Nm3/h, by high temperature (anaerobic) air scour biomass straw, makes biomass straw produce the active carbon of charing, activation generation high-quality.In order to realize the automation control that high-temperature gas is flowed to, electronic high temperature resistant three valving has all been installed in two imports at two-way reaction stove, the movement position of the rotating ring by automatic control switching three-way valve, making high temperature (anaerobic) air-flow of 800 DEG C can realize the stream socket A mouth from two-way reaction stove under hot environment enters, in two-way reaction stove, carry out charing, after priming reaction, flowed out by stream socket B mouth, after reaction 40 minutes, the movement position of the rotating ring by automatic control switching three-way valve, making high temperature (anaerobic) air-flow of 800 DEG C can realize the stream socket B mouth from two-way reaction stove under hot environment enters, in two-way reaction stove, carry out charing, after priming reaction, flowed out by stream socket A mouth, reaction time is 40 minutes, course of reaction is to carry out in the hot environment of 800 DEG C, realize by the position of control rotating ring vertical motion.The utility model is easy for installation, simple in structure, has not only saved cost, but also has ensured the continuous operation in process of production of two-way reaction stove, has facilitated production, has also brought very large economic benefit simultaneously.
Embodiment 4
This example is stressed the application in the thermal storage ceramic in gasified boiler system equipment.
The ignition mechanism of thermal storage ceramic is by burner, electronic hot-resistant valve door device, and burner interface composition, electronic hot-resistant valve door device stream socket A is connected with burner interface, and stream socket B begs for happiness burner interface with accumulation of heat and is connected.Be that 800 DEG C of flames are by electronic hot-resistant valve door device and burner interface by burner combustion generating center temperature, first by the heat retainer preheating in thermal storage ceramic, then after the 2050Nm3/h gasification gas being entered by thermal storage ceramic entrance and 8060Nm3/h air ignition in thermal storage ceramic firing chamber of being entered by intake grill being produced to the high-temperature flue gas of 800 DEG C, burner is extinguished, make valve in closed condition by the position of controlling rotating ring vertical motion, by the passage cut-off between thermal storage ceramic firing chamber and burner, the gas that prevents from gasifying produces micro positive pressure and lets out from the intake grill of burner in combustion process in thermal storage ceramic firing chamber, to environment.The utility model is easy for installation, simple in structure, but also has ensured that the gasification gas in thermal storage ceramic can be because leakage causes the pollution to environment in combustion process.Improve the efficiency of the heat energy utilization of whole system.
Claims (7)
1. an electronic hot-resistant valve door device, relate to valve body, it is characterized in that: two stationary rings are installed in valve body up and down, between two stationary rings, be provided with a rotating ring, two stationary rings are installed in parallel on body cavity wall, rotating ring with dark bar lower end by being fixedly connected with, rotating ring can vertically move between two stationary rings, dark bar upper end is connected with electric control mechanism, dark bar intermediate portion is threaded, dark bar is in mating connection by the screw thread of screw thread and fixed cover, and fixed cover is fixed on valve body by flange mode.
2. the electronic hot-resistant valve door device of one according to claim 1, is characterized in that: described stationary ring sealing surface side is provided with seal groove, and seal groove is provided with tapering, and tapering is between 1:2～1:3; Upper and lower two sealing surfaces of described rotating ring are provided with flange, and flange is provided with tapering, and tapering is between 1:2～1:3, the seal groove mechanical seal of flange and stationary ring.
3. the electronic hot-resistant valve door device of one according to claim 1, is characterized in that: between described dark bar and rotating ring, be connected by fixing pin.
4. the electronic hot-resistant valve door device of one according to claim 1, is characterized in that: between described dark bar and fixed cover, be provided with graphite packing_seal.
5. the electronic hot-resistant valve door device of one according to claim 2, is characterized in that: the machining accuracy of the seal groove of described stationary ring and the flange of rotating ring is 0.2～0.8 μ m (removal material).
6. the electronic hot-resistant valve door device of one according to claim 1, is characterized in that: described in the liquid discharge entrance latus rectum of described electronic hot-resistant valve door device, the Applicable scope of the stream socket latus rectum of electronic hot-resistant valve door device is DN50～DN100.
7. the electronic hot-resistant valve door device of one according to claim 1, is characterized in that: the fit tolerance of the seal groove of described stationary ring and the flange of rotating ring is H8/f7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420206023.3U CN203979416U (en) | 2014-04-25 | 2014-04-25 | A kind of electronic hot-resistant valve door device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420206023.3U CN203979416U (en) | 2014-04-25 | 2014-04-25 | A kind of electronic hot-resistant valve door device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203979416U true CN203979416U (en) | 2014-12-03 |
Family
ID=51976862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420206023.3U Expired - Fee Related CN203979416U (en) | 2014-04-25 | 2014-04-25 | A kind of electronic hot-resistant valve door device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203979416U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925377A (en) * | 2014-04-25 | 2014-07-16 | 大连环资科技有限公司 | Electric high-temperature resistant valve device |
| CN106838372A (en) * | 2017-02-20 | 2017-06-13 | 浙江华益精密机械股份有限公司 | A kind of wall hanging furnace plate swaps out water valve |
-
2014
- 2014-04-25 CN CN201420206023.3U patent/CN203979416U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925377A (en) * | 2014-04-25 | 2014-07-16 | 大连环资科技有限公司 | Electric high-temperature resistant valve device |
| CN106838372A (en) * | 2017-02-20 | 2017-06-13 | 浙江华益精密机械股份有限公司 | A kind of wall hanging furnace plate swaps out water valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170425 |