CN206626228U - A kind of unidirectional flame proof valve of air flow blowing formula - Google Patents
A kind of unidirectional flame proof valve of air flow blowing formula Download PDFInfo
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- CN206626228U CN206626228U CN201720181012.8U CN201720181012U CN206626228U CN 206626228 U CN206626228 U CN 206626228U CN 201720181012 U CN201720181012 U CN 201720181012U CN 206626228 U CN206626228 U CN 206626228U
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- valve
- flap
- flame proof
- suction flange
- air flow
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Abstract
The utility model discloses a kind of unidirectional flame proof valve of air flow blowing formula, including valve casing, the both ends of valve casing are respectively equipped with suction flange and outlet(discharge) flange, the cavity bottom of valve casing is provided with least one air inlet, suction flange connects with deduster, flap is within the cavity, the one end of flap is fixed sets the side wall of one end of suction flange to be rotatablely connected with valve casing, when in off working state or flame proof state, the inner surface of flap fits to form mechanical seal with the end face of suction flange one end within the cavity, the region between flap and suction flange when air inlet is located in working condition, air flow blowing component includes impulse electromagnetic valve and an at least flexible pipe, impulse electromagnetic valve is connected with deduster, impulse electromagnetic valve is opened when detecting deduster operating, impulse electromagnetic valve is connected with flexible pipe, flexible pipe connects one by one with air inlet.During applied to sticky dust, air flow blowing component can blow off the dust in the range of flap rotational travel on body base, valve pocket normal work is played a part of flame proof.
Description
Technical field
The utility model belongs to the isolating device field of dust explosion protection, be more particularly to a kind of air flow blowing formula unidirectionally every
Quick-fried valve.
Background technology
With the development of national economy, dust explosion protection is increasingly taken seriously.China has occurred that great several times
Dust explosion accident, and cause great casualties and property loss.The isolating device of existing most of dust explosion protection,
Good effect can not be played in adhesive dust operating mode, cohesive powders (such as Icing Sugar, milk powder or chocolate powder) dirt easily exists
Accumulation is produced on valve inner and flap, influences the normal use of flame proof valve.
Utility model content
The purpose of this utility model is to provide a kind of unidirectional flame proof valve of the air flow blowing formula that can be applied to sticky dust.
According to one side of the present utility model, there is provided a kind of unidirectional flame proof valve of air flow blowing formula, including
Valve casing, the both ends of the valve casing are respectively equipped with suction flange and outlet(discharge) flange, cavity are provided with the valve casing, described
The bottom of cavity is provided with least one air inlet, and the suction flange connects with deduster,
Flap, in the cavity, the one end of the flap sets one end of the suction flange with the valve casing
Side wall rotation connection, when in off working state or flame proof state, the inner surface of the flap and the suction flange position
Fit to form mechanical seal in the end face of one end in the cavity, it is described when the gas outlet is located in working condition
Region between flap and the suction flange,
Air flow blowing component, including impulse electromagnetic valve and an at least flexible pipe, the impulse electromagnetic valve and the deduster
Connection, the impulse electromagnetic valve are opened when detecting the deduster operating, and the impulse electromagnetic valve is connected with the flexible pipe, institute
State that the radical of flexible pipe is identical with the number of the air inlet, and the flexible pipe connects one by one with the air inlet.
In some embodiments, the air flow blowing component also includes pressure regulator valve and snap joint, and the regulating valve connects
It is connected between the deduster and the impulse electromagnetic valve, the impulse electromagnetic valve is connected by snap joint with the flexible pipe.
In some embodiments, stop valve is provided between the regulating valve and the deduster.
In some embodiments, the valve casing includes valve body and bonnet, and the top and both ends of the valve body are openning shape,
The both ends of the valve body are connected with the suction flange and the outlet(discharge) flange respectively, and the top of the valve body connects with the bonnet
Connect.
In some embodiments, the baffle plate of the flap is provided with the bonnet.
In some embodiments, the both ends of the axle are connected by bearing with the valve body.
In some embodiments, one end end face that the suction flange is located in the cavity is towards the outlet method
Blue inclined-plane.
In some embodiments, the outer surface of the flap is provided with supporting plate, and the supporting plate is vertical with the flap
Set.
In some embodiments, the supporting plate is provided with deflector, and the deflector be arranged in parallel with the flap.
In some embodiments, connecting plate is provided between the outer surface of the deflector and the flap.It is beneficial to effect
Fruit is：When downstream dust arrester generation explosion time, transfer conduit can be cut off rapidly, separates the explosive source of cleaner by entering
Connection between mouth pipeline and front end accessory equipment, blast is isolated in certain region, blast loss is limited in controllable model
In enclosing.During applied to sticky dust, air flow blowing component can be by the powder in the range of flap rotational travel on body base
Dirt blows off, while can also blow off the dust accumulated on flap in time to reduce crushing, makes flap by explosion wave
During effect can normal switching-off, play a part of flame proof.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the unidirectional flame proof valve of air flow blowing formula of the embodiment of the utility model one；
Fig. 2 is a kind of schematic cross-sectional view of the unidirectional flame proof valve of air flow blowing formula of the embodiment of the utility model one；
Fig. 3 is that a kind of baffle plate of air flow blowing formula single line flame proof valve of the embodiment of the utility model one blocks showing for flap
It is intended to；
Fig. 4 is a kind of external structure schematic diagram of the unidirectional flame proof valve of air flow blowing formula of the embodiment of the utility model one；
Fig. 5 is a kind of working state schematic representation of the unidirectional flame proof valve of air flow blowing formula of the embodiment of the utility model one；
Fig. 6 is a kind of flame proof view of the unidirectional flame proof valve of air flow blowing formula of the embodiment of the utility model one.
Embodiment
Fig. 1-4 schematically shows a kind of unidirectional flame proof valve of embodiment of the present utility model.As Figure 1-5,
The unidirectional flame proof valve includes valve casing 1, flap 2, air flow blowing component 3.
The both ends of valve casing 1 are respectively equipped with suction flange 111 and outlet(discharge) flange 112.It is provided with valve casing 1 and is used to accommodate flap 2
Cavity.Valve casing 1 includes valve body 11 and bonnet 12.The top and both ends of valve body 11 are openning shape, and the bottom of valve body 11 is provided with extremely
A few air inlet 4.What the opening at both ends was easy to medium and gas is circulated through valve body 11.The one end open of valve body 11 and import
Flange 111 is connected, and another end opening of valve body 11 is connected with outlet(discharge) flange 112.The flange at the both ends of valve body 11 plays the work of connection
With enabling unidirectional flame proof valve to be connected in specific device and be actually applied.The top of valve body 11 is connected with bonnet 12.It is easy to
Check the situation of all parts of inside cavity, on-call maintenance.The baffle plate 121 of flap 2 is provided with bonnet 12.To flap 2
There is stop, play the role of to control the opening angle of flap 2, the angle that flap 2 is opened is controlled at 20 ° -30 °.Air inlet
Region between mouthfuls 4 flap 2 and suction flange 112 when being located in working condition.Ensure that the gas that air inlet 4 is discharged can
It is purged to the bottom of the inner surface of flap 2, the angled end-face of suction flange 112 and housing 11.In unidirectional flame proof valve normal work,
Prevent that the opening amplitude of flap 2 is excessive, influence the amount that medium passes through.The end of flap 2 is fixed with axle 5.Flap 2 by axle 5 with
Valve casing 1 sets one end rotation connection of suction flange 111.The both ends of axle 5 are rotatably connected with valve casing 1, so as to realize flap 2 with
The rotation connection of valve casing 1.Specifically, the both ends of axle 5 are connected by bearing 52 with valve body 11.When unidirectional flame proof valve is in inoperative
When state or flame proof state, the end face of the inner surface of flap 2 one end within the cavity with suction flange 111 fits to be formed
Mechanical seal.In the presence of explosion wave, one end that flap 2 and suction flange 111 are located in cavity is brought into close contact, and is formed
Mechanical seal, cut off the transmission wherein contacted.In order that the one end within the cavity with suction flange 111 of flap 2 is bonded more
To be close, one end end face within the cavity of suction flange 111 is towards the inclined-plane of outlet(discharge) flange 112.Towards suction flange 111
Inclined-plane be not only easy to being bonded for flap 2 and suction flange 111, flap 2 is relied on self gravitation and suction flange
111 are more closely bonded.The outer surface of flap 2 is provided with supporting plate 21, and supporting plate 21 is vertically arranged with flap 2.Supporting plate 21
Play a part of reinforcing flap 2, be vertically arranged so that consolidation effect is more preferable.Supporting plate 21 is provided with deflector 6, deflector 6 with
Flap 2 be arranged in parallel.The deflector 6 be arrangeding in parallel increases the active area of explosion wave, makes flap 2 and suction flange
111 sealing effectiveness is more preferable.Connecting plate 61 is provided between the outer surface of deflector 6 and flap 2.Connecting plate 61, which not only has, to be added
Gu the connection of deflector 6 and flap 2, while the effect of the water conservancy diversion also functioned to, increase the effect of explosion wave.Air flow blowing
Component 3 includes regulating valve 31, impulse electromagnetic valve 32 and the snap joint 33 being sequentially connected, and express delivery joint 33 is connected with many flexible pipes
34.The radical of flexible pipe 34 is identical with the number of air inlet 4.Flexible pipe 34 connects one by one with air inlet 4.In this embodiment, valve body
11 bottom is provided with two air inlets, and snap joint 34 is connected with two flexible pipes.In actual applications, can be according to actual conditions phase
Should the number of ground increase gas outlet 4 and the radical of flexible pipe 34.Impulse electromagnetic valve 32 is opened when detecting deduster operating, is ensured single
When being started working to flame proof valve air flow blowing component start discontinuously downstream equipment purging valve body 11 inside, suction flange
The dust accumulated on 111 inclined-plane end face and the inner surface of flap 2, it is ensured that flap 2 can be bonded the machine of being formed with suction flange 111
Tool seals.Stop valve 35 is additionally provided between impulse electromagnetic valve 32 and deduster.Stop valve 35 is manually operated, is easy to user to determine
It is fixed whether to need to be blown, make the unidirectional flame proof valve of this air flow blowing formula while be also applied for inviscid dust medium, it is suitable to expand it
Use scope.
As shown in figure 5, the air-flow side when direction of the arrow meaning in Fig. 5 at outlet(discharge) flange 112 is normal work
To unidirectional flame proof valve is opened by deduster airflow function, and medium is entered by suction flange 111 is discharged by outlet(discharge) flange 112.When except
Flap 2 is also at opening when dirt device is started working, and in whole process, flap 2 is all acted by the effect of deduster.
As shown in fig. 6, the signified direction of arrow in Fig. 6 at the outlet(discharge) flange 112 is the direction of explosion wave, when exploding
When, flap 2 is closed by shock wave.After being started working due to deduster, in the presence of impulse electromagnetic valve 32, air-flow spray
Blow component 3 while also begin to work, caused gas is discharged into valve body 11 from air inlet 4, discontinuously downstream equipment blow down valve
The dust accumulated inside body 11, on the inner surface of the inclined-plane end face of suction flange 112 and flap 2, it is ensured that flap 2 can be with import
The fitting of flange 112 forms mechanical seal.Arrow in Fig. 5 and Fig. 6 at air inlet 4 is gas stream caused by component deduster
To.
Above-described is only some embodiments of the present utility model.For those skilled in the art, do not taking off
On the premise of creating design from the utility model, various modifications and improvements can be made, these belong to the protection model of this hair
Enclose.
Claims (10)
- A kind of 1. unidirectional flame proof valve of air flow blowing formula, it is characterised in that includingValve casing, the both ends of the valve casing are respectively equipped with suction flange and outlet(discharge) flange, cavity, the cavity are provided with the valve casing Bottom be provided with least one air inlet, the suction flange connects with deduster,Flap, in the cavity, the one end of the flap sets the side of one end of the suction flange with the valve casing Wall is rotatablely connected, and when in off working state or flame proof state, the inner surface of the flap is located at institute with the suction flange The end face for stating one end in cavity fits to form mechanical seal, and the air inlet is located in flap during working condition With the region between the suction flange,Air flow blowing component, including impulse electromagnetic valve and at least a flexible pipe, the impulse electromagnetic valve are connected with the deduster, The impulse electromagnetic valve is opened when detecting the deduster operating, and the impulse electromagnetic valve is connected with the flexible pipe, described soft The radical of pipe is identical with the number of the air inlet, and the flexible pipe connects one by one with the air inlet.
- 2. the unidirectional flame proof valve of air flow blowing formula according to claim 1, it is characterised in that the air flow blowing component also wraps Pressure regulator valve and snap joint are included, the pressure regulator valve is connected between the deduster and the impulse electromagnetic valve, the pulse electricity Magnet valve is connected by snap joint with the flexible pipe.
- 3. the unidirectional flame proof valve of air flow blowing formula according to claim 2, it is characterised in that the pressure regulator valve and the dedusting Stop valve is provided between device.
- 4. unidirectional flame proof valve according to claim 1, it is characterised in that the valve casing includes valve body and bonnet, the valve The top and both ends of body are openning shape, and the both ends of the valve body are connected with the suction flange and the outlet(discharge) flange respectively, institute The top for stating valve body is connected with the bonnet.
- 5. unidirectional flame proof valve according to claim 4, it is characterised in that the gear of the flap is provided with the bonnet Plate.
- 6. unidirectional flame proof valve according to claim 5, it is characterised in that the end of the flap is fixed with axle, described The both ends of axle are connected by bearing with the valve body.
- 7. unidirectional flame proof valve according to claim 1, it is characterised in that the suction flange is located at one in the cavity It is towards the inclined-plane of the outlet(discharge) flange to hold end face.
- 8. unidirectional flame proof valve according to claim 1, it is characterised in that the outer surface of the flap is provided with supporting plate, institute Supporting plate is stated to be vertically arranged with the flap.
- 9. unidirectional flame proof valve according to claim 8, it is characterised in that the supporting plate is provided with deflector, described to lead Flowing plate be arranged in parallel with the flap.
- 10. unidirectional flame proof valve according to claim 9, it is characterised in that the outer surface of the deflector and the flap Between be provided with connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720181012.8U CN206626228U (en) | 2017-02-27 | 2017-02-27 | A kind of unidirectional flame proof valve of air flow blowing formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720181012.8U CN206626228U (en) | 2017-02-27 | 2017-02-27 | A kind of unidirectional flame proof valve of air flow blowing formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206626228U true CN206626228U (en) | 2017-11-10 |
Family
ID=60210712
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720181012.8U Active CN206626228U (en) | 2017-02-27 | 2017-02-27 | A kind of unidirectional flame proof valve of air flow blowing formula |
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| CN (1) | CN206626228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989192A (en) * | 2017-02-27 | 2017-07-28 | 江苏爵格工业设备有限公司 | A kind of unidirectional flame proof valve of air flow blowing formula |
-
2017
- 2017-02-27 CN CN201720181012.8U patent/CN206626228U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989192A (en) * | 2017-02-27 | 2017-07-28 | 江苏爵格工业设备有限公司 | A kind of unidirectional flame proof valve of air flow blowing formula |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 224100 Jiangsu Yancheng City Dafeng Economic Development Zone South of pump valve industrial park Patentee after: Jiangsu Dragon Industries Equipment Co., Ltd. Address before: 224100 Jiangsu Yancheng City Economic Development Zone, south of pump valve industrial park. Patentee before: Jiangsu Dragon Industries Equipment Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 224199 Xikang Road, Dafeng Economic Development Zone, Yancheng City, Jiangsu Province Patentee after: Jiangsu juege Industry Group Co.,Ltd. Address before: 224100 Jiangsu Yancheng City Dafeng Economic Development Zone South of pump valve industrial park Patentee before: JIANGSU DRAGON INDUSTRIAL EQUIPMENT Co.,Ltd. |