CN103925377B - A kind of electronic hot-resistant valve door gear - Google Patents
A kind of electronic hot-resistant valve door gear Download PDFInfo
- Publication number
- CN103925377B CN103925377B CN201410169844.9A CN201410169844A CN103925377B CN 103925377 B CN103925377 B CN 103925377B CN 201410169844 A CN201410169844 A CN 201410169844A CN 103925377 B CN103925377 B CN 103925377B
- Authority
- CN
- China
- Prior art keywords
- rotating ring
- flange
- valve
- seal groove
- door gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000013011 mating Effects 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 239000002028 Biomass Substances 0.000 claims description 7
- 238000000197 pyrolysis Methods 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 4
- 210000000664 rectum Anatomy 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000000919 ceramic Substances 0.000 description 8
- 238000003860 storage Methods 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000010902 straw Substances 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- 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
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
-
- 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The present invention relates to electric high-temperature valving technical field.A kind of electronic hot-resistant valve door gear, relate to valve body, it is characterized in that: be provided with two stationary rings in valve body up and down, being provided with a rotating ring between two stationary rings, two stationary rings are installed in parallel on body cavity wall, rotating ring and dark bar lower end are connected by fixing, rotating ring can vertically move between two stationary rings, and dark bar upper end is connected with electric control mechanism, and dark bar middle part is threaded, dark bar is in mating connection with the screw thread of fixed cover by screw thread, and fixed cover is fixed on valve body by flange method.Present configuration is simple, in 800 DEG C of hot environment good sealing effects, low cost.
Description
Technical field
The present invention relates to dynamic sealing device technical field, a kind of electronic hot-resistant valve door gear.
Background technology
Electric high-temperature valve is as a kind of important device controlling 800 DEG C of high-temperature gases at present, use electronic high temperature resistant gate valve and electrical ball valve, electrical ball valve in use there will be spool and can not start and cause valve not open, serious have impact on operating mode, electric gate valve is due to not cooling, due to Long contact time high temperature, heat resisting steel can not bear its life-span within 1 year.Both the above valve Electronic control in worst hot case is also generally affected running of operating mode by steel thermal expansion.The most expensive, operating cost is high, and actual application effect is bad.
Summary of the invention
For solving the problems referred to above, the present invention provides a kind of electronic hot-resistant valve door gear, simple in construction, is suitable for hot environment, and sealing effectiveness is good, and low cost, service life is long.
The technical scheme is that a kind of electronic hot-resistant valve door gear of the present invention, relate to valve body, two stationary rings are installed in valve body up and down, a rotating ring it is provided with between two stationary rings, two stationary rings are installed in parallel on body cavity wall, rotating ring and dark bar lower end are connected by fixing, rotating ring can vertically move between two stationary rings, dark bar upper end is connected with electric control mechanism, dark bar middle part is threaded, dark bar is in mating connection with the screw thread of fixed cover by screw thread, and fixed cover is fixed on valve body by flange method.
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, flange and the seal groove mechanical seal of stationary ring.
It is connected by steady pin between described dark bar and rotating ring.
It is provided with graphite packing_seal between described dark bar and fixed cover.
The machining accuracy of the sealing surface of described seal groove and rotating ring is 0.2～0.8 μm (removal material).
Described electronic hot-resistant valve door gear circulation the pyrolysis gas that medium is biomass, pyrolysis gas be mainly composed of H2、CO2、CO、C3H6、CH4、C2H4、C2H6、C2H2、N2 、CmHn。
The scope of application 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 flow divider, when the flange of rotating ring and the seal groove of upper stationary ring are in close contact, the stream socket A and stream socket B of valve body communicate, stream socket A and stream socket C closes, when the flange of rotating ring and the seal groove of lower stationary ring are in close contact, the stream socket A and stream socket C of valve body communicate, and stream socket A and stream socket B closes.
Described valve body is two-port valve, and when the flange of rotating ring and the seal groove of upper stationary ring are in close contact, valve is closed, and when the flange of rotating ring and the seal groove of lower stationary ring are in close contact, valve is in opening.
Use effect of the present invention notable: the present invention uses two stationary rings to be connected in parallel on body cavity wall, rotating ring is connected by steady 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, secretly with threaded between bar and fixed cover, secretly it is connected by steady pin between bar with rotating ring, ensure that the rotating ring that is connected with the dark bar kinematic accuracy in vertical direction, fixed cover is fixed on valve body by flange method, dark bar and rotating ring can be made to move vertically by electric control mechanism, it is possible to realize automatically controlling.When the flange of rotating ring and the seal groove of upper stationary ring are in close contact, the stream socket A and stream socket B of valve body communicate, stream socket A and stream socket C closes, when the flange of rotating ring and the seal groove of lower stationary ring are in close contact, the stream socket A and stream socket C of valve body communicate, and stream socket A and stream socket B closes.It is 25Nm3/h～300 Nm3/h that valving of the present invention is applicable to the conveying tolerance of medium, and the temperature of pumped (conveying) medium is 150 DEG C～800 DEG C, and the pressure head of pumped (conveying) medium is 3～20kPa.Present configuration is simple, in 800 DEG C of hot environment good sealing effects, low cost.
Accompanying drawing explanation
Fig. 1 is the present invention electronic high temp.-resistant valve apparatus structure schematic diagram (threeway)；
Fig. 2 is the present invention electronic high temp.-resistant valve apparatus structure schematic diagram (two-way)；
Fig. 3 is movable ring structure schematic diagram of the present invention；
Fig. 4 is static-ring structure schematic diagram of the present invention.
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-steady pin.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is elaborated, but the invention is not limited in specific embodiment.
Embodiment
1
A kind of electronic hot-resistant valve door gear, relates to valve body 1, and valve body is three-way valve, and three-way valve is divided into converging valve and flow divider by fluid matasomatism mode, and converging valve has two entrances, flows out from an outlet behind interflow.Flow divider has a fluid intake, is flowed out by two fluid issuings after shunting.Being provided with two stationary rings 2 in valve body up and down, be provided with a rotating ring 3 between two stationary rings, 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, for mechanical seal between flange and the seal groove of stationary ring of rotating 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 μm (removal material).Two stationary rings are installed in parallel on body cavity wall, rotating ring 3 is connected by steady pin 9 is fixing with dark bar 4 lower end, rotating ring can vertically move between two stationary rings, dark bar upper end is connected with electric control mechanism 6, dark bar middle part is threaded, dark bar is in mating connection with the screw thread of fixed cover 5 by screw thread, is provided with graphite packing_seal between dark bar and fixed cover, and fixed cover is fixed on valve body by flange method.When the flange of rotating ring and the seal groove of upper stationary ring are in close contact, the stream socket A and stream socket B of valve body communicate, stream socket A and stream socket C closes, when the flange of rotating ring and the seal groove of lower stationary ring are in close contact, the stream socket A and stream socket C of valve body communicate, and stream socket A and stream socket B closes.
The medium of described sealing is the pyrolysis gas of biomass, pyrolysis gas be mainly composed of H2、CO2、CO、C3H6、CH4、C2H4、C2H6、C2H2、N2 、 CmHn。
The scope of application of described valve port latus rectum is DN50～DN100.
Embodiment 2
As in figure 2 it is shown, a kind of electronic hot-resistant valve door gear, relate to valve body 1, valve body is two-port valve, is provided with two stationary rings 2 up and down, is provided with a rotating ring 3 between two stationary rings 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, flange and the seal groove mechanical seal of stationary ring.The machining accuracy of the sealing surface stating seal groove and rotating ring is 0.2～0.8 μm (removal material).Two stationary rings are installed in parallel on body cavity wall, rotating ring 3 is connected by steady pin 9 is fixing with dark bar 4 lower end, rotating ring can vertically move between two stationary rings, dark bar upper end is connected with electric control mechanism 6, dark bar middle part is threaded, dark bar is in mating connection with the screw thread of fixed cover 5 by screw thread, is provided with graphite packing_seal between dark bar and fixed cover, and fixed cover is fixed on valve body by flange method.When the flange of rotating ring and the seal groove of upper stationary ring are in close contact, valve is closed, and when the flange of rotating ring and the seal groove of lower stationary ring are in close contact, valve is in opening.
Embodiment 3
The present embodiment is stressed in the application producing in activated carbon system with biomass straw.
Utilize biomass straw to produce in activated carbon system and 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 carbonization, the activated carbon of activation generation high-quality.nullIn order to realize the Automated condtrol that high-temperature gas is flowed to，Two imports at two-way reaction stove are assembled with electronic high temperature resistant three valving，By automatically controlling the movement position of the rotating ring of switching three-way valve，High temperature (anaerobic) air-flow making 800 DEG C is capable of entering from the stream socket A mouth of two-way reaction stove in high temperature environments，Carbonization is carried out in two-way reaction stove、Flowed out by stream socket B mouth after priming reaction，After reaction 40 minutes，By automatically controlling the movement position of the rotating ring of switching three-way valve，High temperature (anaerobic) air-flow making 800 DEG C is capable of entering from the stream socket B mouth of two-way reaction stove in high temperature environments，Carbonization is carried out in two-way reaction stove、Flowed out by stream socket A mouth after priming reaction，Response time is 40 minutes，Course of reaction is to carry out in the hot environment of 800 DEG C，By controlling what the position of rotating ring vertical movement realized.The present invention is easy for installation, simple in construction, has not only saved cost, but also ensure that the continuous work in process of production of two-way reaction stove, has facilitated production, also bring the biggest economic benefit simultaneously.
Embodiment 4
This example stresses the application in the thermal storage ceramic in gasified boiler system equipment.
The igniter of thermal storage ceramic is by burner, electronic hot-resistant valve door gear, and combustion port forms, and electronic hot-resistant valve door gear stream socket A is connected with combustion port, and stream socket B begs for happiness combustion port and is connected with accumulation of heat.Generating central temperature by burner combustion is that 800 DEG C of flames are by electronic hot-resistant valve door gear and combustion port, first the heat storage in thermal storage ceramic is preheated, then burner is extinguished after the high-temperature flue gas of ignition generation 800 DEG C in thermal storage ceramic combustor by the 2050Nm3/h entered by thermal storage ceramic entrance gasification gas and the 8060Nm3/h air entered by air inlet, valve is made to be closed by controlling the position of rotating ring vertical movement, passage between thermal storage ceramic combustor and burner is ended, prevent gasification gas from producing pressure-fired in thermal storage ceramic combustor in combustion and letting out from the air inlet of burner, to environment.The present invention is easy for installation, simple in construction, but also ensure that the gasification gas in thermal storage ceramic will not cause the pollution to environment in combustion due to leakage.Improve the efficiency of the heat energy utilization of whole system.
Claims (7)
1. an electronic hot-resistant valve door gear, relate to valve body, it is characterized in that: two stationary rings are installed in valve body up and down, a rotating ring it is provided with between two stationary rings, two stationary rings are installed in parallel on body cavity wall, rotating ring and dark bar lower end are connected by fixing, rotating ring can vertically move between two stationary rings, dark bar upper end is connected with electric control mechanism, dark bar middle part is threaded, dark bar is in mating connection with the screw thread of fixed cover by screw thread, fixed cover is fixed on valve body by flange method, described stationary ring sealing surface side is provided with seal groove, seal groove is provided with tapering, tapering is between 1:2～1:3；Upper and lower two sealing surfaces of described rotating ring are provided with flange, flange is provided with tapering, tapering is between 1:2～1:3, flange and the seal groove mechanical seal of stationary ring, the machining accuracy of the seal groove of described stationary ring and the flange of rotating ring is 0.2～0.8 μm, and the fit tolerance of the seal groove of described stationary ring and the flange of rotating ring is H8/f7.
One the most according to claim 1 electronic hot-resistant valve door gear, is characterized in that: be connected by steady pin between described dark bar and rotating ring.
One the most according to claim 1 electronic hot-resistant valve door gear, is characterized in that: be provided with graphite packing_seal between described dark bar and fixed cover.
One the most according to claim 1 electronic hot-resistant valve door gear, is characterized in that: described electronic hot-resistant valve door gear circulation the pyrolysis gas that medium is biomass, pyrolysis gas be mainly composed of H2、CO2、CO、C3H6、CH4、C2H4、C2H6、C2H2、N2。
One the most according to claim 1 electronic hot-resistant valve door gear, is characterized in that: the scope of application of the stream socket latus rectum of described electronic hot-resistant valve door gear is DN50～DN100.
6. according to the arbitrary described one electronic hot-resistant valve door gear of claim 1-5, it is characterized in that: described valve body is three-way valve, three-way valve is divided into converging valve and flow divider, when the flange of rotating ring and the seal groove of upper stationary ring are in close contact, the stream socket A and stream socket B of valve body communicate, stream socket A and stream socket C closes, when the flange of rotating ring and the seal groove of lower stationary ring are in close contact, the stream socket A and stream socket C of valve body communicate, and stream socket A and stream socket B closes.
7. according to the arbitrary described one electronic hot-resistant valve door gear of claim 1-5, it is characterized in that: described valve body is two-port valve, when the flange of rotating ring and the seal groove of upper stationary ring are in close contact, valve is closed, when the flange of rotating ring and the seal groove of lower stationary ring are in close contact, valve is in opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410169844.9A CN103925377B (en) | 2014-04-25 | 2014-04-25 | A kind of electronic hot-resistant valve door gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410169844.9A CN103925377B (en) | 2014-04-25 | 2014-04-25 | A kind of electronic hot-resistant valve door gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103925377A CN103925377A (en) | 2014-07-16 |
| CN103925377B true CN103925377B (en) | 2016-09-28 |
Family
ID=51143697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410169844.9A Expired - Fee Related CN103925377B (en) | 2014-04-25 | 2014-04-25 | A kind of electronic hot-resistant valve door gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103925377B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486501A (en) * | 2019-09-03 | 2019-11-22 | 大连大高阀门股份有限公司 | Three-way cut-off valve |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4262698A (en) * | 1979-12-26 | 1981-04-21 | Yardney Electric Corporation | Valve |
| JP4324946B2 (en) * | 2007-03-13 | 2009-09-02 | Ｓｍｃ株式会社 | Pilot type 3 port valve |
| CN201593624U (en) * | 2009-10-12 | 2010-09-29 | 天津市圣恺工业技术发展有限公司 | Three-way switching ceramic stop valve |
| CN203115113U (en) * | 2012-12-21 | 2013-08-07 | 尹波 | Novel sealing stop valve |
| CN103671985A (en) * | 2013-12-10 | 2014-03-26 | 重庆巨康建材有限公司 | Rotary control type stop valve |
| CN203979416U (en) * | 2014-04-25 | 2014-12-03 | 大连环资科技有限公司 | A kind of electronic hot-resistant valve door device |
-
2014
- 2014-04-25 CN CN201410169844.9A patent/CN103925377B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103925377A (en) | 2014-07-16 |
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