CN207961692U - A kind of cogeneration large high-temperature double containment smoke valve - Google Patents
A kind of cogeneration large high-temperature double containment smoke valve Download PDFInfo
- Publication number
- CN207961692U CN207961692U CN201721908462.9U CN201721908462U CN207961692U CN 207961692 U CN207961692 U CN 207961692U CN 201721908462 U CN201721908462 U CN 201721908462U CN 207961692 U CN207961692 U CN 207961692U
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- valve
- valve plate
- smoke
- crank connecting
- driving device
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Abstract
The utility model discloses a kind of cogeneration large high-temperature double containment smoke valve, including valve body, valve plate, valve shaft, crank connecting link, sealing device, driving device and control device, valve body is mounted on flue, partition board is provided in valve body, one end of valve plate is hinged on partition board, sealing device is arranged between partition board and valve plate, valve shaft is through valve body and one end connection driving device, one end of other end connecting crank connecting rod, the other end of crank connecting link is hinged on valve plate, control device couples with driving device, driving device drives the keying of valve plate to adjust by valve shaft.The smoke valve bore of the utility model is big, and high temperature resistant, it is suitably mounted on cement industry medium and high temperature flue, make cut-out flue gas circulation, it can also work normally even in a high temperature environment, valve plate has many advantages, such as that compact-sized, easy to maintain, service life is long by crank connecting link, transmission shaft, the actuator kind of drive.
Description
Technical field
The utility model belongs to cogeneration technology field, and in particular to a kind of cogeneration large high-temperature double density smoke seal
Air valve.
Background technology
Waste heat refers to the sensible heat and latent heat that original design is not used appropriately, it includes high-temp waste gas waste heat, cooling medium
Waste heat, waste vapour waste water residual heat, high-temperature product and afterheat of slags, chemical reaction waste heat, combustible exhaust gas waste liquid and waste material waste heat etc..Root
The residual heat resources of recoverable are about the 60% of waste heat total resources according to investigations.
In cogeneration engineering, on the tilted tube between bypass and chimney breast, cogeneration large high-temperature
Double containment smoke valve is normally off, and when waste heat boiler breaks down or repairs, valve needs to open.Existing valve,
It is all made of butterfly valve or louver valve, both structure types do not adapt to the environment of high temperature and dust-laden, will appear when resistance is excessive
The inadequate problem of strut stability.Especially under the high temperature conditions, mechanical performance declines, and strut stability not enough can cause
Existing problem, the general ＞ 10% of slip, energy loss is big, the low protection for being also unfavorable for electric appliance of efficiency, is easy dust stratification, bite makes valve
Door can not work normally.
Utility model content
Purpose of utility model：In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of structure letter
Single, easy to operate cogeneration large high-temperature double containment smoke valve.
Technical solution：In order to realize that above-mentioned purpose of utility model, the technical solution adopted in the utility model are as follows：
A kind of cogeneration large high-temperature double containment smoke valve, including valve body, valve plate, valve shaft, crank connecting link, sealing dress
It sets, driving device and control device, the valve body are provided with partition board, the valve plate on flue in the valve body
One end be hinged on partition board, the sealing device is arranged between partition board and valve plate, and the valve shaft runs through valve body and one end
Driving device, one end of other end connecting crank connecting rod are connected, the other end of crank connecting link is hinged on valve plate, the control dress
It sets and is electrically connected with driving device, driving device drives the keying of valve plate to adjust by valve shaft.
Preferably, the driving device is Electric Actuator.
Preferably, the control device is PLC control cabinet, the PLC control cabinet is connect with DCS central control systems.
Preferably, being fixedly installed the valve plate bearing that both sides open up pin hole on the valve plate, the crank connecting link is logical
Axis pin is crossed to be hinged on valve plate bearing.
Preferably, the sealing device is Flexible graphite sealing ring, annular groove, the graphite are offered on the partition board
Flexible seal ring is embedded in annular groove.
Preferably, being additionally provided with sealing shrapnel and pneumatic locking device around the valve plate.
Preferably, being provided with Wind volume detector, the Wind volume detector and control device in institute's flue
Connection.
Preferably, the Wind volume detector is double-venturi pitot tube.
Preferably, the valve plate, valve shaft, crank connecting link and driving device are both provided with two groups, valve plate includes the first valve
Plate and the second valve plate, valve shaft includes the first valve shaft and the second valve shaft, crank connecting link include that the first crank connecting link and the second crank connect
Bar, driving device include first driving means and the second driving device, and first valve plate is located at the top of the second valve plate.
Preferably, the opening bore of flue gas valve body is more than 3.5 meters.
Advantageous effect：Compared with prior art, the utility model has the following advantages：
The utility model uses twin shaft double valve plates double-drive device, each driving device that can independently open and close a valve plate, and
The open degree that valve plate can freely be adjusted is sealed using compressing, and fitting closely for valve plate and sealing ring is kept, to prevent equipment in height
Temperature when being failure to actuate for a long time, generates smoke spillage.The cogeneration of the utility model large high-temperature double containment smoke valve bore
Greatly, and high temperature resistant, it is suitably mounted on cement industry medium and high temperature flue, makees cut-out flue gas circulation, even if in high temperature
It can also be worked normally under environment, valve plate has compact-sized, dimension by crank connecting link, transmission shaft, the Electric Actuator kind of drive
The advantages that shield is convenient, service life is long, specifically has the following advantages：
1, the smoke valve of the utility model can detect automatically, be realized by PLC integrated control system data transmission networks
Digital remote controls, and is monitored to each working condition, ensures system worked well；
2, using bimodulus twin shaft double valve plates, valve plate effectively prevent card resistance at high operating temperatures using eccentric hinged structure
And thermal deformation, high efficiente callback utilize waste heat flue gas resource；
3, it is controlled using double-drive device, can keep locking in any aperture of valve；
4, the bore of the smoke valve of the utility model reaches 3.5 meters of diameter or more, this kind of high-temperature flue gas valve is the first；
5, on the valve plate periphery of smoke valve, extraordinary sealing shrapnel and pneumatic locking device are mounted with, it is therefore prevented that expand with heat and contract with cold
The valve deformation brought or smoke spillage, ensure that the sealing reliability of valve plate under a certain pressure.
Description of the drawings
Fig. 1 is cogeneration large high-temperature double containment smoke valve front view；
Fig. 2 is cogeneration large high-temperature double containment smoke valve right view；
Fig. 3 is cogeneration large high-temperature double containment smoke valve left view；
Fig. 4 is the partial enlarged view of Fig. 1；
Fig. 5 is schematic diagram when cogeneration large high-temperature double containment smoke valve valve plate opens 20 °.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, embodiment is with the utility model skill
Implemented under premised on art scheme, it should be understood that these embodiments are merely to illustrate the utility model rather than limit this practicality
Novel range.
As shown in Figures 1 to 4, a kind of cogeneration large high-temperature double containment smoke valve, including valve body 1, valve plate 2, valve
Axis 3, crank connecting link 4, sealing device 5, driving device 6 and control device, valve body 1 are mounted on flue, setting in valve body 1
There are partition board 7, one end of valve plate 2 to be hinged on partition board 7, sealing device 5 is arranged between partition board 7 and valve plate 2, and valve shaft 3 runs through valve
Body 1 and one end connect driving device 6, one end of other end connecting crank connecting rod 4, and the other end of crank connecting link 4 is hinged on valve
On plate 2, control device is electrically connected with driving device 6, and driving device 6 drives the keying of valve plate 2 to adjust by valve shaft 3.
Valve plate 2, valve shaft 3, crank connecting link 4 and driving device 6 are both provided with two groups, and valve plate 2 includes the first valve plate 21 and the
Two valve plates 22, valve shaft 3 includes the first valve shaft 31 and the second valve shaft 32, crank connecting link 4 include that the first crank connecting link 41 and second is bent
Handle connecting rod 42, driving device 6 include first driving means 61 and the second driving device 62, and the first valve plate 21 is located at the second valve plate 22
Top.There are two valve plate, two valve plates are all made of inclination mounting means, add homonymy installation dress in the valve of one pipeline
Big valve reduces flue gas and passes through resistance by area.
Driving device 6 is Electric Actuator, and Electric Actuator connects valve shaft 3, and Electric Actuator, which is opened, drives valve shaft 3 to revolve
Turn, rotation angle can be controlled as needed, to control the opening angle of valve plate 2, control device uses PLC control cabinet, PLC controls
Cabinet processed is connect with DCS central control systems, the everything of smoke valve all can field control and remote control, using PLC intelligent operations
Control is controlled by DCS by the central control system of Central Control Room, and the operation conditions of equipment shows clearly in Central Control Room.
It is fixedly installed the valve plate bearing 8 that both sides open up pin hole on valve plate 2, crank connecting link 4 passes through axis pin and pin hole
Coordination hinge is on valve plate bearing 8.Valve plate 2 is convenient for by crank connecting link 4, axis pin and the eccentric hinged combination installation of valve plate bearing 7
Valve plate 2 and sealing device eccentric jam fit closely.
Sealing device 5 is Flexible graphite sealing ring, is opened up on partition board 7 there are two annular groove, Flexible graphite sealing ring is inlayed
In annular groove.The sealing surface of valve plate 2 is formed by metalworking, and sealing surface is fitted closely with Flexible graphite sealing ring, is ensured close
The flatness and leakproofness of cover, it is ensured that smoke valve is in the closed state, smoke spillage rate≤0.05%.
It is additionally provided with extraordinary sealing shrapnel and pneumatic locking device around valve plate 2, seals shrapnel and pneuma-lock dress
It sets and is all made of device in the prior art, when valve plate 2 is closed, locking device locks valve plate 2 after startup, it is therefore prevented that heat expansion is cold
Contract the valve deformation brought or leakage cigarette, ensure that the sealing reliability of valve plate under a certain pressure.
The utility model is provided with Wind volume detector in flue, and Wind volume detector is connect with control device.
Wind volume detector can be double-venturi pitot tube, the air volume control that control device is detected according to Wind volume detector
The angular travel of Electric Actuator processed, to control the angle of the unlatching of valve plate 2, intelligence changes the aperture of valve plate 2.
The opening bore of the utility model flue gas valve body is 3.5 meters or more, and bore is big, is adapted for mount on 3.5 meters of bore
On above large-scale flue, such as on cement industry medium and high temperature flue.Smoke valve when mounted, abuts and vertical
It is installed in flue, valve plate is tilted against the intersection of valve body and flue and installed, and valve plate will not stretch into when valve opening and closing
Cross pipeline effectively eliminates fouling phenomenon, to which valve card resistance and damage phenomenon will not occur because of dust stratification problem；Even for
The higher smoke wind pipe of dustiness, also without dust stratification, without card resistance phenomenon.
In conclusion the utility model uses twin shaft double valve plates double-drive device, each driving device that can independently open and close one
A valve plate, and can freely adjust the open degree of valve plate is sealed using compressing, and keeps fitting closely for valve plate and sealing ring, to prevent
Equipment high temperature, be failure to actuate for a long time when, generate smoke spillage.The cogeneration of the utility model large high-temperature double density smoke seal
Air valve bore is big, and high temperature resistant, is suitably mounted on cement industry medium and high temperature flue, makees cut-out flue gas circulation, i.e.,
Make also work normally under high temperature environment, valve plate has knot by crank connecting link, transmission shaft, the Electric Actuator kind of drive
The advantages that structure is compact, easy to maintain, service life is long.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of cogeneration large high-temperature double containment smoke valve, it is characterised in that：Including valve body (1), valve plate (2), valve shaft
(3), crank connecting link (4), sealing device (5), driving device (6) and control device, the valve body (1) are mounted on flue
On, it is provided with partition board (7) in the valve body (1), one end of the valve plate (2) is hinged on partition board (7), the sealing device
(5) it is arranged between partition board (7) and valve plate (2), the valve shaft (3) runs through valve body (1) and one end connection driving device (6),
The other end of one end of other end connecting crank connecting rod (4), crank connecting link (4) is hinged on valve plate (2), the control device with
Driving device (6) electrically connects, and driving device (6) drives the keying of valve plate (2) to adjust by valve shaft (3).
2. cogeneration according to claim 1 large high-temperature double containment smoke valve, it is characterised in that：The driving dress
It is Electric Actuator to set (6).
3. cogeneration according to claim 2 large high-temperature double containment smoke valve, it is characterised in that：The control dress
It is set to PLC control cabinet, the PLC control cabinet is connect with DCS central control systems.
4. cogeneration according to claim 1 large high-temperature double containment smoke valve, it is characterised in that：In the valve plate
(2) the valve plate bearing (8) that both sides open up pin hole is fixedly installed on, the crank connecting link (4) is hinged on valve plate branch by axis pin
On seat (8).
5. cogeneration according to claim 1 large high-temperature double containment smoke valve, it is characterised in that：The sealing dress
It is Flexible graphite sealing ring to set (5), offers annular groove on the partition board (7), the Flexible graphite sealing ring is embedded in annular
In slot.
6. cogeneration according to claim 1 large high-temperature double containment smoke valve, it is characterised in that：In the valve plate
(2) sealing shrapnel and pneumatic locking device are additionally provided with around.
7. cogeneration according to claim 1 large high-temperature double containment smoke valve, it is characterised in that：In institute's fume pipe
Wind volume detector is provided in road, the Wind volume detector is connect with control device.
8. cogeneration according to any claim from 1 to 6 large high-temperature double containment smoke valve, feature
It is：The valve plate (2), valve shaft (3), crank connecting link (4) and driving device (6) are both provided with two groups, and valve plate (2) includes first
Valve plate (21) and the second valve plate (22), valve shaft (3) includes the first valve shaft (31) and the second valve shaft (32), crank connecting link (4) include
First crank connecting link (41) and the second crank connecting link (42), driving device (6) include first driving means (61) and the second driving
Device (62), first valve plate (21) are located at the top of the second valve plate (22).
9. cogeneration according to claim 8 large high-temperature double containment smoke valve, it is characterised in that：The valve of smoke valve
Body is open bore more than 3.5 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721908462.9U CN207961692U (en) | 2017-12-29 | 2017-12-29 | A kind of cogeneration large high-temperature double containment smoke valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721908462.9U CN207961692U (en) | 2017-12-29 | 2017-12-29 | A kind of cogeneration large high-temperature double containment smoke valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207961692U true CN207961692U (en) | 2018-10-12 |
Family
ID=63731097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721908462.9U Expired - Fee Related CN207961692U (en) | 2017-12-29 | 2017-12-29 | A kind of cogeneration large high-temperature double containment smoke valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207961692U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050288A (en) * | 2017-12-29 | 2018-05-18 | 扬州高标机械有限公司 | A kind of cogeneration large high-temperature double containment smoke valve |
| CN112963587A (en) * | 2021-03-01 | 2021-06-15 | 扬州高标机械有限公司 | Non-deformable's large-scale binary channels seal valve |
-
2017
- 2017-12-29 CN CN201721908462.9U patent/CN207961692U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050288A (en) * | 2017-12-29 | 2018-05-18 | 扬州高标机械有限公司 | A kind of cogeneration large high-temperature double containment smoke valve |
| CN112963587A (en) * | 2021-03-01 | 2021-06-15 | 扬州高标机械有限公司 | Non-deformable's large-scale binary channels seal valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181012 Termination date: 20211229 |