CN206473927U - A kind of novel deduster shunting device - Google Patents
A kind of novel deduster shunting device Download PDFInfo
- Publication number
- CN206473927U CN206473927U CN201621481942.7U CN201621481942U CN206473927U CN 206473927 U CN206473927 U CN 206473927U CN 201621481942 U CN201621481942 U CN 201621481942U CN 206473927 U CN206473927 U CN 206473927U
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- China
- Prior art keywords
- valve plate
- valve
- valve seat
- shunting device
- air channel
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Abstract
The utility model provides a kind of novel deduster shunting device, it is related to technical field of dust removal equipment, including Dustproof air flue, bypass air channel, valve seat, valve plate, valve rod, power set, power set are fixedly arranged on outside bypass air channel by support, support extends into bypass air channel, also include guiding mechanism, guiding mechanism is sheathed on valve rod, guiding mechanism is connected with support, and guiding mechanism can move along a straight line along support, valve plate includes the first valve plate, second valve plate, first valve plate is located at the top of the same axis of the second valve plate and the first valve plate is more than the second valve plate, valve seat includes the first valve seat and the second valve seat being engaged respectively with the first valve plate and the second valve plate, first valve seat is the double-decker containing cavity, the breather pipe on the outside of connection bypass air channel is additionally provided with first valve seat wall.The utility model solves the problem of sack cleaner bypass valve is poorly sealed, its simple in construction, compact, zero leakage, stable and reliable operation, simple and convenient operation and maintenance.
Description
Technical field
The utility model is related to technical field of dust removal equipment, and in particular to a kind of novel deduster shunting device.
Background technology
In recent years, worse and worse, wherein dust also becomes weight to the air quality developed around us with industry high speed
Want one of pollution sources.In view of the severe shape that dust is controlled the severe contamination of atmospheric environment and current thermal power plant's pollutant emission
Gesture, country promulgates and put into effect thermal power plant's pollutant emission new standard.New fossil-fuel power plant atmospheric pollutant emission standard requirement, dust
Discharge standard to be less than 30mg/Nm3, key area should be less than 20mg/Nm3, so to the technical requirements of existing cleaner
More and more higher.
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.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of novel deduster shunting device, solve cloth bag and remove
The problem of dirt device bypass valve is poorly sealed, its simple in construction, compact, zero leakage, stable and reliable operation, simple and convenient operation and maintenance.
The utility model uses following scheme：
A kind of novel deduster shunting device, including Dustproof air flue and bypass air channel, are arranged at the Dustproof air flue and institute
The valve seat of bypass air channel junction is stated, the valve plate being tightly connected with the valve seat by sealing structure is connected with the valve plate
Valve rod, drives the power set of the valve rod, and the power set are fixedly arranged on outside the bypass air channel by support, and its feature exists
In, the support extends into the bypass air channel, in addition to guiding mechanism, and the guiding mechanism is sheathed on the valve rod,
The guiding mechanism is connected with the support, and the guiding mechanism can move along a straight line along the support, and the valve plate includes the
One valve plate, the second valve plate, first valve plate is located at the top of the same axis of the second valve plate and first valve plate is more than
Second valve plate, the valve seat includes the first valve seat for being engaged respectively with first valve plate and second valve plate and the
Two valve seats, first valve seat is that the connection bypass is additionally provided with the double-decker containing cavity, first valve seat wall
Breather pipe on the outside of air channel.
It is preferred that, first valve plate is the internal double-decker for being provided with cavity, the cavity of first valve plate with it is described
The cavity connection of first valve seat.
It is preferred that, silicone rubber O-ring and teflon seal are provided between first valve plate and first valve seat
Circle, the teflin ring is arranged at the inner side of first valve plate, and the silicone rubber O-ring is arranged at described the
The outside of one valve plate.
It is preferred that, second valve plate uses circular cone structure, and second valve seat is provided with circular cone sealing gasket,
The interior annular conical surface seal of the exterior annular conical surface of second valve plate and the circular cone sealing gasket is coupled.
It is preferred that, the taper of the interior annular conical surface of the circular cone sealing gasket is 5 °~60 °.
It is preferred that, the guiding mechanism includes guide pad and guide rod, and the guide pad is sheathed on the valve rod, described
Support is provided with chute, and the guide pad is connected by the guide rod with the chute.
It is preferred that, the limit switch that the guide rod can be touched is additionally provided with the support.
It is preferred that, hold-down mechanism is additionally provided between first valve plate and second valve plate, the hold-down mechanism includes
Slide bar, sliding sleeve and spring, the sliding sleeve are fixedly arranged on first valve plate, and second valve plate passes through the slide bar and the cunning
Set connection, the spring housing on the slide bar, and the both ends of the spring respectively with first valve plate and second valve
Plate is connected, and the sliding sleeve is tightly connected by sealing ring with first valve plate.
It is preferred that, the power set use cylinder or motor.
The beneficial effects of the utility model：
(1) the utility model carries out two seals using two valve plates, causes whole shunting device by this two seals
Better tightness；
(2) the utility model is provided with breather pipe, the first valve plate and the first valve seat on the first valve seat outside the full air channel of filling
Air, because whole dust collection device is run in the case of negative pressure, using inner and outer air pressure difference effect, can guarantee that ash-laden gas
Body is not leaked；
(3) the utility model is coordinated by the circular cone of the second valve seat and the second valve plate realizes sealing, not only changes completely
The encapsulated coil frame mode of existing bypass valve is become, and has overcome the shortcoming of former sealing means, it is ensured that bypass zero leakage；
(4) the utility model is additionally provided with hold-down mechanism between the first valve plate and the second valve plate, when shunting device is closed, the
One valve plate provides thrust by hold-down mechanism to the second valve plate, makes the better tightness between the second valve plate and the second valve seat,
Ensure No leakage between bypass air channel and Dustproof air flue.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for specification, with this practicality
New embodiment is used to explain the utility model together, does not constitute to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the structural representation of the utility model first embodiment；
Fig. 2 is enlarged diagram at Fig. 1 A；
Fig. 3 is enlarged diagram at Fig. 1 B；
Fig. 4 is the structural representation at the utility model first embodiment guiding mechanism；
Fig. 5 is the structural representation of the utility model second embodiment；
Fig. 6 is the structural scheme of mechanism at the utility model second embodiment hold-down mechanism.
Marked in figure：1st, Dustproof air flue；2nd, air channel is bypassed；3rd, valve seat；31st, the first valve seat；32nd, the second valve seat；4th, valve
Plate；41st, the first valve plate；42nd, the second valve plate；5th, valve rod；6th, power set；7th, support；71st, chute；72nd, limit switch；8th, lead
To mechanism；81st, guide pad；82nd, guide rod；9th, breather pipe；10th, hold-down mechanism；101st, slide bar；102nd, sliding sleeve；103rd, spring；
11a, teflin ring；11b, silicone rubber O-ring；11c, circular cone sealing gasket.
Embodiment
Describe embodiment of the present utility model in detail with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figures 1 to 4, a kind of novel deduster shunting device of the present utility model, including Dustproof air flue 1 and bypass wind
Road 2, is arranged at Dustproof air flue 1 and the valve seat 3 of the bypass junction of air channel 2, the valve plate being tightly connected with valve seat 3 by sealing structure
4, the valve rod 5 being connected with valve plate 4 drives the power set 6 of valve rod 5, and power set 6 are fixedly arranged on bypass air channel 2 by support 7
Outside, it is characterised in that support 7 extends into bypass air channel 2, in addition to guiding mechanism 8, guiding mechanism 8 is sheathed on valve rod 5,
Guiding mechanism 8 is connected with support 7, and guiding mechanism 8 can move along a straight line along support 7, and valve plate 4 includes the first valve plate 41, the second valve
Plate 42, the first valve plate 41 is located at the top of the same axis of the second valve plate 42 and the first valve plate 41 is more than the second valve plate 42, and valve seat 3 is wrapped
Include the first valve seat 31 and the second valve seat 32 being engaged respectively with the first valve plate 41 and the second valve plate 42, the first valve seat 31 be containing
The breather pipe 9 in the outside of connection bypass air channel 2 is additionally provided with the double-decker of cavity, the side wall of the first valve seat 31.
First valve plate 41 is the cavity of the internal double-decker for being provided with cavity, the cavity of the first valve plate 41 and the first valve seat 31
Connection.
Teflin ring 11a and silicone rubber O-ring 11b is provided between first valve plate 41 and the first valve seat 31, is gathered
Tetrafluoroethene sealing ring 11a is arranged at the inner side of the first valve plate 31, and silicone rubber O-ring 11b is arranged at the outer of the first valve plate 31
Side.
Second valve plate 42 uses circular cone structure, and the second valve seat 32 is provided with circular cone sealing gasket 11c, the second valve plate
The 42 exterior annular conical surface is coupled with circular cone sealing gasket 11c interior annular conical surface seal.
The taper of the circular cone sealing gasket 11c interior annular conical surface is 5 °~60 °.
Guiding mechanism 8 includes guide pad 81 and guide rod 82, and guide pad 81 is sheathed on valve rod 5, and support 7 is provided with chute
71, guide pad 81 is connected by guide rod 82 with chute 71.
The limit switch 72 that guide rod 82 can be touched is additionally provided with support 7.
Power set 6 use cylinder or motor.
The working method of the present embodiment：
When dust pelletizing system normal operation, the air outside bypass air channel enters the first valve plate and the first valve seat by breather pipe
Cavity in formed zone of positive pressure, because whole dust pelletizing system is run in the case of negative pressure, using inner and outer air pressure difference effect,
The sealing of the first valve plate and the first valve seat is ensure that, while by the fitted seal of the second valve plate and the second valve seat, so as to reach
To sealed effect；When the temperature of ash-laden 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 inducing
Machine is discharged to chimney, protects the filter bag of sack cleaner, the limit of the unlatching of valve plate and the control of the extreme position of closure on support
Bit switch is determined.
Embodiment 2
As shown in Fig. 5 or 6, the present embodiment is on the basis of above-described embodiment, between the first valve plate 41 and the second valve plate 42
Hold-down mechanism 10 is additionally provided with, hold-down mechanism 10 includes slide bar 101, sliding sleeve 102 and spring 103, and sliding sleeve 102 is fixedly arranged on the first valve plate
On 41, the second valve plate 42 is connected by slide bar 101 with sliding sleeve 102, and spring 103 is sheathed on slide bar 101, and the two ends of spring 103
It is connected respectively with the first valve plate 41 and the second valve plate 42, sliding sleeve 102 is tightly connected by sealing ring with the first valve plate 41.
The working method of the present embodiment：
Power set are pushed the valve plate of unlatching by valve rod, are reached after defined position, the first valve plate and the first valve seat are close
Envelope coordinates, and the second valve plate is pressed on the second valve seat by the first valve plate by hold-down mechanism, passes through the second valve seat and the second valve plate
Circular cone coordinate realize sealing, it is ensured that bypass zero leakage.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, although ginseng
The utility model is described in detail according to previous embodiment, for those skilled in the art, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. should be included in this practicality
Within new protection domain.
Claims (9)
1. a kind of novel deduster shunting device, including Dustproof air flue and bypass air channel, be arranged at the Dustproof air flue with it is described
Bypass the valve seat of air channel junction, the valve plate being tightly connected with the valve seat by sealing structure, the valve being connected with the valve plate
Bar, drives the power set of the valve rod, and the power set are fixedly arranged on outside the bypass air channel by support, and its feature exists
In, the support extends into the bypass air channel, in addition to guiding mechanism, and the guiding mechanism is sheathed on the valve rod,
The guiding mechanism is connected with the support, and the guiding mechanism can move along a straight line along the support, and the valve plate includes the
One valve plate, the second valve plate, first valve plate is located at the top of the same axis of the second valve plate and first valve plate is more than
Second valve plate, the valve seat includes the first valve seat for being engaged respectively with first valve plate and second valve plate and the
Two valve seats, first valve seat is that the connection bypass is additionally provided with the double-decker containing cavity, first valve seat wall
Breather pipe on the outside of air channel.
2. a kind of novel deduster shunting device according to claim 1, it is characterised in that first valve plate is inside
Double-decker provided with cavity, the cavity of first valve plate is connected with the cavity of first valve seat.
3. a kind of novel deduster shunting device according to claim 2, it is characterised in that first valve plate with it is described
Silicone rubber O-ring and teflin ring are provided between first valve seat, the teflin ring is arranged at described
The inner side of first valve plate, the silicone rubber O-ring is arranged at the outside of first valve plate.
4. a kind of novel deduster shunting device according to claim 1, it is characterised in that second valve plate uses ring
Shape cone structure, second valve seat be provided with circular cone sealing gasket, the exterior annular conical surface of second valve plate with it is described
The interior annular conical surface seal mating of circular cone sealing gasket.
5. a kind of novel deduster shunting device according to claim 4, it is characterised in that the circular cone sealing gasket
The interior annular conical surface taper be 5 °~60 °.
6. a kind of novel deduster shunting device according to claim 1, it is characterised in that the guiding mechanism includes leading
To block and guide rod, the guide pad is sheathed on the valve rod, and the support is provided with chute, and the guide pad passes through described
Guide rod is connected with the chute.
7. a kind of novel deduster shunting device according to claim 6, it is characterised in that institute is additionally provided with the support
State the limit switch that guide rod can be touched.
8. a kind of novel deduster shunting device according to any one of claim 1 to 7, it is characterised in that described
Hold-down mechanism is additionally provided between one valve plate and second valve plate, the hold-down mechanism includes slide bar, sliding sleeve and spring, the cunning
Set is fixedly arranged on first valve plate, and second valve plate is connected by the slide bar with the sliding sleeve, and the spring housing is located at
On the slide bar, and the both ends of the spring is connected with first valve plate and second valve plate respectively, and the sliding sleeve passes through close
Seal is tightly connected with first valve plate.
9. a kind of novel deduster shunting device according to claim 1, it is characterised in that the power set use gas
Cylinder or motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621481942.7U CN206473927U (en) | 2016-12-30 | 2016-12-30 | A kind of novel deduster shunting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621481942.7U CN206473927U (en) | 2016-12-30 | 2016-12-30 | A kind of novel deduster shunting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206473927U true CN206473927U (en) | 2017-09-08 |
Family
ID=59751369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621481942.7U Expired - Fee Related CN206473927U (en) | 2016-12-30 | 2016-12-30 | A kind of novel deduster shunting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206473927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185597A (en) * | 2018-08-13 | 2019-01-11 | 江苏海伦环保设备有限公司 | One kind sealing the double-deck bypass valve from vacuum firmly |
-
2016
- 2016-12-30 CN CN201621481942.7U patent/CN206473927U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185597A (en) * | 2018-08-13 | 2019-01-11 | 江苏海伦环保设备有限公司 | One kind sealing the double-deck bypass valve from vacuum firmly |
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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 |
Granted publication date: 20170908 Termination date: 20191230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |