CN107101028A - A kind of taper sealing structure malleation sealing gland bypass valve - Google Patents
A kind of taper sealing structure malleation sealing gland bypass valve Download PDFInfo
- Publication number
- CN107101028A CN107101028A CN201611272250.6A CN201611272250A CN107101028A CN 107101028 A CN107101028 A CN 107101028A CN 201611272250 A CN201611272250 A CN 201611272250A CN 107101028 A CN107101028 A CN 107101028A
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- Prior art keywords
- valve
- annular
- plate
- valve port
- bypass
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- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 37
- 210000004907 gland Anatomy 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 239000002356 single layer Substances 0.000 claims abstract description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0413—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of closure plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0087—Bypass or safety 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Safety Valves (AREA)
Abstract
A kind of taper sealing structure malleation sealing gland bypass valve, the bypass valve includes a valve plate, for lifting the electric pushrod of power and the high pressure positive blower of an auxiliary seal, and guiding mechanism, spring buffer mechanism, valve plate is set in dust-laden air channel and bypass air channel, described valve plate is single layer structure, the annular sidewall on valve plate bottom plate with vertical protrusion；Valve port has the annular valve port of vertical protrusion, there is the valve port disk of horizontal direction outer at the top of annular valve port, on disk annular groove is machined with close to the intraoral side of annular plate valve, the valve chamber of a relative closure is formed by annular groove, annular sidewall and annular plate valve degree of lip-rounding tapering rigid seal coordinate, described high pressure positive blower is connected with the valve chamber of valve plate and valve port formation, the advantages of it has simple in construction, compact, zero leakage, stable and reliable operation, simple and convenient operation and maintenance, strong applicability.
Description
Technical field
The invention belongs to bag type dust removing technology field, more particularly to a kind of bypass valve installed in bag-type dust removing system.
Background technology
Bypass protection is exactly to set bypass valve on the import and export flue of sack cleaner, can be held when cigarette temperature exceedes filter bag
During the temperature range received, or filter bag pressure difference is more than setting value and drop is not when getting off, and bypass valve is automatically opened up, sack cleaner
Exits and entrances valve close, flue gas is directly over air-introduced machine and is discharged to chimney.Therefore bypass valve tightness be it is very important, because
As long as if a little being revealed for bypass valve, it is not necessary to how long, the sealing surface of bypass valve can serious blow loss, leakage is obvious
Increase, discharge it is exceeded, air-introduced machine heavy wear and damage.The bypass valve sealing such as current existing bivalve combination, elastic construction
Effect is all less desirable, and bypass valve will reach that long-term tight do not leak is highly difficult in the flue gas that temperature is changed.It is existing
Existing a kind of bypass valve in technology (CN201216909Y), as shown in Figure 1, 2, is designed as inside and outside two layers of valve on valve mechanism
Mouthful, formed in the middle of two layers of valve port in seal valve chamber, valve chamber and inject the hot-air of high pressure positive blower feeding, isolation bypass air channel is with containing
What dirt air channel was realized.Even if outer valve port has small gas leakage, because the gas passed through in its gap is clean gas, sealing
Face will not also fail because of abrasion.But its valve mechanism is complicated, not only valve plate uses double-decker, and valve port have it is inside and outside
Two layers of valve port, so causes the complex process in processing and fabricating, and practical function is poor, and valve chamber space is big, causes closing
When formed hermetic seal process it is relatively slow.
Therefore, the present invention is directed to the shortcoming of above technology, by meticulous development, a kind of simple in construction, sealing is developed
Fast and reliable new bypass valve.
The content of the invention
Strengthen malleation sealing gland bypass valve it is an object of the invention to provide a kind of annular groove taper, be that one kind is arranged at dust constaining
The valve opened under the state of emergency above road, its is simple in construction, compact, safe and reliable, in valve-closed state zero leakage,
The state of emergency is opened flexible.
To achieve the above object, the present invention takes following design：
A kind of taper sealing structure malleation sealing gland bypass valve, the bypass valve includes a valve plate, for lifting the electronic of power
The high pressure positive blower of push rod and an auxiliary seal, and guiding mechanism, spring buffer mechanism, it is characterised in that：
Valve plate is set in dust-laden air channel and bypass air channel, and described valve plate is single layer structure, is had on valve plate bottom plate
The annular sidewall of vertical protrusion；Valve port, which has at the top of the annular valve port of vertical protrusion, annular valve port, has horizontal direction extension
Valve port disk, is machined with annular groove, valve plate and valve port disk are in contact in valve port disk upper surface close to the intraoral side of annular plate valve, by
The taper fit face of the valve chamber of annular groove one relative closure of formation, annular sidewall and annular valve port forms rigid seal and coordinated,
Described guiding mechanism and spring buffer mechanism is socketed on valve rod, and described electronic connecting rod is connected by valve rod with valve plate, institute
The electric pushrod stated is connected by electric pushrod support with bypass flue housing, described high pressure positive blower and valve plate and valve port shape
Into valve chamber be connected.
Described valve plate is circular configuration, connects hinge head by ball and is connected with valve rod, bulb gland connects the closed phase of hinge head with ball
Connect.
Sealed between described valve plate and valve port by sealing structure, the sealing structure is to use " O " on the outside of valve port disk
The structure that type silicone rubber O-ring and teflin ring formation soft and hard seal are combined, annular sidewall is matched somebody with somebody with annular valve port
Conjunction face is cone structure.
Described guiding mechanism is to be socketed on valve rod, guide sleeve by oiliness bearing respectively by upper symmetrical guide sleeve seat
Cylinder is with guide sleeve seat by screw engagement, and guide sleeve seat top is sealed by sealing ring and shelves lid.
Described spring buffer mechanism includes the upper and lower spring being fixed on stud and upper and lower platen, described stud with
Platen is fixedly connected.
It is an advantage of the invention that：With simple in construction, compact, zero leakage.It is stable and reliable operation, simple and convenient operation and maintenance, suitable
With property it is strong the advantages of.
Brief description of the drawings
Fig. 1 is the system schematic of existing double-deck bypass valve.
Fig. 2 is existing sealed structural representation.
Fig. 3 is the system schematic of the application annular groove bypass valve.
Fig. 4 is the application sealed structural representation.
Fig. 5 is valve plate connection diagram.
Fig. 6 is guiding mechanism schematic diagram.
Fig. 7 is spring buffer structural scheme of mechanism.
1. dust-laden flue in figure, 2. valve ports, 3. valve plates, 4. valve rods, 5. guiding mechanisms, 6. spring buffer mechanisms, 7. is electronic
Pusher bar support, 8. travel switches, 9. electric pushrods, 10. centrifugal high pressure fans, 11. ajutages, 12. bypass air channels, 13. bypasses
Air channel housing, the hard sealing ring of 14. polytetrafluoroethylene (PTFE), 15. silicon rubber soft seal circles, 16 annular grooves, 17a valve port disks, 17b annulars
Valve port, 18a valve port bottom plates, 18b annular sidewalls, 19 flexural pivots, 20 bulb glands, 22. grades of lids, 23. sealing rings, 24. oil-containings
Bearing, 25 guide sleeve seats, 26 pilot sleeves, 29 springs, 30 studs, 31 platens
Embodiment
Hereinafter with reference to accompanying drawing, the case study on implementation of the present invention is described in detail.The implementation case is with this technology
It is lower premised on method to be implemented, it should be understood that case study on implementation is that, in order to illustrate the present invention, but protection scope of the present invention is not only
It is limited to following case study on implementation.
Referring to shown in Fig. 3-Fig. 7：A kind of annular groove taper strengthens malleation sealing gland bypass valve, and the bypass valve includes a valve plate 3,
For the centrifugal high pressure fan 10 for the auxiliary seal of electric pushrod 9 and one for lifting power, and guiding mechanism 5, spring buffer machine
Structure 6, sets valve plate 3, described valve plate 3 is single layer structure, on valve plate bottom plate 18a in dust-laden air channel 1 and bypass air channel 12
Annular sidewall 18b with vertical protrusion；Valve port 2 has at the top of the annular valve port 17b of vertical protrusion, annular valve port 17b and had
The valve port disk 17a of horizontal direction extension, annular groove is machined with valve port disk 17a upper surfaces on the inside of annular valve port 17b
16.When the gland of valve plate 3 is when on valve port 2, valve plate 3 contacts valve port disk 17a, just between valve plate 3 and valve port disk 17a by ring
The valve chamber of one relative closure of formation of shape groove 16, annular sidewall 18b and annular valve port 17b have the cone structure cooperated,
Rigid seal is formed between annular sidewall 18b and annular valve port 17b to coordinate, injection centrifugal high pressure fan 10 is sent into valve chamber
Hot-air, its air pressure closed in valve chamber is far above the pressure difference that dust-laden air channel 1 and bypass air channel 12 are produced, so as to prevent dust-laden wind
Dusty gas in road 1 flows into bypass air channel 12, reaches zero leakage.The valve chamber space being made up of annular groove is smaller, so
In the gland of valve plate 3 when on valve port 2, it is necessary to which the shorter time just can realize that sealing gland is acted under same blower fan driving.Annular
Side wall 18b height can be the 1/3-1/2 of annular valve port 17b height, institute's shape between annular sidewall 18b and annular valve port 17b
Into the longer dimension of sealing mating surface, better seal effect can reach.
Described guiding mechanism 5 and spring buffer mechanism 10 is socketed on valve rod 4, and described electronic connecting rod 9 passes through valve rod 4
It is connected with valve plate 3, described electric pushrod 9 is connected by electric pushrod support 7 with bypass flue housing 13.Described high pressure
Centrifugal blower 10 is connected with valve chamber 18.Described valve plate 3 is circular configuration, connects hinge head 19 by ball and is connected with valve rod 4, bulb
Gland 20 connects that hinge head 19 is closed to connect with ball.
Sealed between described valve plate 3 and valve port disk 17a by sealing structure, the sealing structure is in valve port disk
The structure combined on the outside of 17a with " O " type silicone rubber O-ring 15 and the formation soft and hard seal of teflin ring 14, annular side
Wall 18b and annular valve port 17b is rigid seal structure, and such structure allows blower fan to be leaked out to the side of dust-laden flue 1.
Annular sidewall 18b and annular valve port 17b mating surface are cone structures, so as to ensure sealed reliability, are also had
There is guide-localization effect during bypass valve closure.
Described guiding mechanism 5 is to be socketed on valve rod 4 by oiliness bearing 24 respectively by guide sleeve seat 25 symmetrical above and below,
Pilot sleeve 26 is with guide sleeve seat 25 by screw engagement, and guide sleeve seat top is sealed by sealing ring 23 and shelves lid 22.
Described spring buffer mechanism 6 includes the upper and lower spring 29 and upper and lower platen 30 being fixed on stud 31, described
Stud 31 be fixedly connected with platen 30.
As shown in figure 3, the operation principle of the present invention is：When steam generator system normal operation, centrifugal high pressure fan 10 is in and opened
State is opened, during the clean hot air sucked from bypass air channel 12 sends into valve chamber by centrifugal high pressure fan 10, is formed just in valve chamber
Nip, its internal static pressure is much larger than the pressure difference for bypassing air channel and dust-laden air channel 1, so as to reach sealed effect.Work as dust constaining
When the temperature of gas exceedes the temperature range that filter bag can bear, or filter bag pressure difference is more than setting value and drop is not when getting off, bypass
Valve is automatically opened up, and the exits and entrances valve of sack cleaner is closed, and flue gas is directly over air-introduced machine and is discharged to chimney, and protection cloth bag is removed
The filter bag of dirt device.
The unlatching of valve and the control of the extreme position of closure are determined by limit switch.
Closing forces are excessive during to avoid valve plate 3 from closing, and the damage of electric pushrod 9 caused, with spring mechanism 6 in the quilt of spring 29
The displacement produced during compression carrys out the delayed defect of cushion stroke switch 8.
Finally it should be noted that：The explanation of the present invention is the foregoing is only, is not intended to limit the invention, although to this hair
Bright to be described in detail, for those skilled in the art, it still can be to foregoing described technical scheme
Modify, or equivalent substitution is carried out to which part technical characteristic.Within the spirit and principles of the invention, made
Any modification, equivalent substitution and improvements etc., should be included in the scope of the protection.
Claims (5)
1. a kind of taper sealing structure malleation sealing gland bypass valve, the bypass valve includes a valve plate, pushed away for lifting the electronic of power
The high pressure positive blower of bar and an auxiliary seal, and guiding mechanism, spring buffer mechanism, it is characterised in that：
Valve plate is set in dust-laden air channel and bypass air channel, and described valve plate is single layer structure, had on valve plate bottom plate vertical
Raised annular sidewall；Valve port has the valve port at the top of the annular valve port of vertical protrusion, annular valve port with horizontal direction extension
Disk, is machined with annular groove, valve plate and valve port disk are in contact, by annular in valve port disk upper surface close to the intraoral side of annular plate valve
The taper fit face of the valve chamber of groove one relative closure of formation, annular sidewall and annular valve port forms rigid seal and coordinated, described
Guiding mechanism and spring buffer mechanism be socketed on valve rod, described electronic connecting rod is connected by valve rod with valve plate, described
Electric pushrod is connected by electric pushrod support with bypass flue housing, what described high pressure positive blower was formed with valve plate and valve port
Valve chamber is connected.
2. a kind of taper sealing structure malleation sealing gland bypass valve according to claim 1, it is characterised in that described valve plate
For circular configuration, hinge head is connect by ball and is connected with valve rod, bulb gland connects that hinge head is closed to connect with ball.
3. a kind of taper sealing structure malleation sealing gland bypass valve according to claim 1, between described valve plate and valve port
Sealed by sealing structure, the sealing structure is close with " O " type silicone rubber O-ring and polytetrafluoroethylene (PTFE) on the outside of valve port disk
Seal forms the structure that soft and hard seal is combined, and the mating surface of annular sidewall and annular valve port is cone structure.
4. a kind of taper sealing structure malleation sealing gland bypass valve according to claim 1, described guiding mechanism is by upper
Symmetrical guide sleeve seat is socketed on valve rod by oiliness bearing respectively, and pilot sleeve, by screw engagement, is led with guide sleeve seat
Sealed to block set top by sealing ring and shelves lid.
5. a kind of taper sealing structure malleation sealing gland bypass valve according to claim 1, described spring buffer mechanism bag
The upper and lower spring being fixed on stud and upper and lower platen are included, described stud is fixedly connected with platen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611272250.6A CN107101028A (en) | 2016-12-29 | 2016-12-29 | A kind of taper sealing structure malleation sealing gland bypass valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611272250.6A CN107101028A (en) | 2016-12-29 | 2016-12-29 | A kind of taper sealing structure malleation sealing gland bypass valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107101028A true CN107101028A (en) | 2017-08-29 |
Family
ID=59676365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611272250.6A Pending CN107101028A (en) | 2016-12-29 | 2016-12-29 | A kind of taper sealing structure malleation sealing gland bypass valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107101028A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911702A (en) * | 2020-08-17 | 2020-11-10 | 杨新超 | Sealing surface self-adaptive block valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2036233U (en) * | 1988-03-27 | 1989-04-19 | 陈荣坤 | Lever-type gravity-balanced check valve |
| US20030089406A1 (en) * | 2001-10-04 | 2003-05-15 | Gunther Pozgainer | Pressure control valve for a fuel tank |
| CN201216909Y (en) * | 2008-06-02 | 2009-04-08 | 啜广毅 | Composite by-pass valve |
| CN201787080U (en) * | 2010-08-23 | 2011-04-06 | 杨更辰 | Quick base plate valve |
| CN103939646A (en) * | 2014-05-14 | 2014-07-23 | 福建省三鲸消防器材有限公司 | Dry type alarm valve |
| CN203979426U (en) * | 2014-07-29 | 2014-12-03 | 江苏宝华环保科技有限公司 | Sack cleaner single valve plate zero leakage bypass valve |
| CN206582368U (en) * | 2016-12-29 | 2017-10-24 | 大唐环境产业集团股份有限公司 | A kind of taper sealing structure malleation sealing gland bypass valve |
-
2016
- 2016-12-29 CN CN201611272250.6A patent/CN107101028A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2036233U (en) * | 1988-03-27 | 1989-04-19 | 陈荣坤 | Lever-type gravity-balanced check valve |
| US20030089406A1 (en) * | 2001-10-04 | 2003-05-15 | Gunther Pozgainer | Pressure control valve for a fuel tank |
| CN201216909Y (en) * | 2008-06-02 | 2009-04-08 | 啜广毅 | Composite by-pass valve |
| CN201787080U (en) * | 2010-08-23 | 2011-04-06 | 杨更辰 | Quick base plate valve |
| CN103939646A (en) * | 2014-05-14 | 2014-07-23 | 福建省三鲸消防器材有限公司 | Dry type alarm valve |
| CN203979426U (en) * | 2014-07-29 | 2014-12-03 | 江苏宝华环保科技有限公司 | Sack cleaner single valve plate zero leakage bypass valve |
| CN206582368U (en) * | 2016-12-29 | 2017-10-24 | 大唐环境产业集团股份有限公司 | A kind of taper sealing structure malleation sealing gland bypass valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911702A (en) * | 2020-08-17 | 2020-11-10 | 杨新超 | Sealing surface self-adaptive block valve |
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