CN208560966U - A kind of double-layer pneumatic Explosion-proof Lock gas unloading valve - Google Patents
A kind of double-layer pneumatic Explosion-proof Lock gas unloading valve Download PDFInfo
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- CN208560966U CN208560966U CN201820981748.8U CN201820981748U CN208560966U CN 208560966 U CN208560966 U CN 208560966U CN 201820981748 U CN201820981748 U CN 201820981748U CN 208560966 U CN208560966 U CN 208560966U
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- lock gas
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Abstract
The utility model relates to a kind of double-layer pneumatic Explosion-proof Lock gas unloading valve, including valve body, top is equipped with ash inlet, bottom is equipped with ash hole, valve body is Dual-layer structure, is equipped with connecting rod, the crank connecting with connecting rod and the cylinder connecting with crank in every layer of valve body, sets compressed air inlet port on cylinder.Compared with prior art, the utility model improves the reliability of valve, especially in involving explosives dust field, effectively lock gas, can greatly reduce a possibility that causing dust explosion, in addition, it can be according to operating condition (size of unloading ash capacity), the time interval of control valve opening and closing, reduces residence time of the dust in dust arrester installation, is more flexible valve and widely applicable property.
Description
Technical field
The utility model relates to involving explosives dust dedusting field of gas purification, more particularly, to a kind of double-layer pneumatic Explosion-proof Lock gas
Unloading valve.
Background technique
Unloading valve is widely used in all kinds of dust arrester installations or cleaner to be removed from the apparatus the dust being collected into,
It while unloading ash, prevents extraneous wind from entering, guarantees the dust collection performance of dust arrester installation or cleaner and the continuity of operation.Mesh
Preceding widely used unloading valve has the double flap valves of star-like rotary valve, pneumatic type gate valve and electrodynamic type, the unloading valve of these types
It is mainly used on the dust arrester installation of common dust, there is no dedicated unloading valve on the dust arrester installation of involving explosives dust.Involving explosives dust
It can explode under certain condition, for the destructiveness for reducing dust explosion, it is desirable that used on the dust arrester installation of involving explosives dust
Unloading valve has higher reliability, better sealing and explosion-proof performance, in addition to this, it is necessary to assure dust arrester installation
In involving explosives dust without accumulation, without build bridge, without blocking, the factor that will lead to dust explosion is reduced to minimum, reduces enterprise security
Risk.
Utility model content
The purpose of this utility model is exactly to provide one kind in order to overcome the problems of the above-mentioned prior art and pass through setting
The measures such as double-layer pneumatic, control system chain control act the upper and lower valve plate of unloading valve relatively reliable, while opening and closing speed
Fastly, automatic control, sealing are good, have explosion-resistance characteristic, reduce security risk.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of double-layer pneumatic Explosion-proof Lock gas unloading valve, including
Valve body, top are equipped with ash inlet, and bottom is equipped with ash hole,
The valve body is Dual-layer structure, be equipped in every layer of valve body connecting rod, the crank being connect with the connecting rod and with
The cylinder of crank connection sets compressed air inlet port on the cylinder.
The cylinder is connect through air cylinder fixed plate with valve body.
It is arranged in the valve body into grey channel, upper valve plate, ash discharge channel and lower valve plate, the material of the valve body and upper lower valve plate
Matter and thickness are selected and are designed according to Characteristics of Dust Explosion, so that unloading valve is had explosion-proof performance, it is ensured that when dust explosion
The shock wave of generation cannot destroy unloading valve, avoid causing second accident, reduce enterprises' loss.
Described to be arranged in the valve body of upper layer into grey channel, top is connected to the ash inlet, and the upper valve plate is arranged in bottom,
The ash discharge channel is arranged in lower layer's valve body, and top is connected to upper layer valve body, and the lower valve plate is arranged in bottom.
For the upper valve plate with into sealing rubber pad is equipped at the cooperation in grey channel, upper valve plate is by support rod and is arranged upper
The intracorporal connecting rod connection of valve.
Sealing rubber pad is equipped at the cooperation in the lower valve plate and ash discharge channel, lower valve plate is by support rod and is arranged under
The intracorporal connecting rod connection of valve.
Described into grey channel is cylindrical shape, and drum diameter is configured according to dust size, mobility and Dust Capacity, guarantees
Without dust bridging phenomenon in dust collect plant.
The ash discharge channel is truncated cone-shaped, and rotary table angle is arranged according to dust angle of repose, and is not less than 60 °, sharp corner
Blunt arc transition guarantees to be detained in valve inner without dust.
Described to be separated by a certain distance into grey channel and the ash discharge channel, the distance is according to the Dust Capacity in the unit time
And Dimension of Valve Plate is configured, a unloading ash capacity of valve plate opening is large enough to hold in the space between upper lower turnover panel, it is ensured that on
The reliability and sealing of valve plate switch.
By being hingedly connected to outside valve body with air cylinder fixed plate, the gas bar and crank of the other end are cut with scissors for described cylinder one end
It connects.
External upper and lower cylinder passes through the upper and lower valve plate of crank link mechanism independent control respectively, so that upper and lower valve plate
On-off action is not interfere with each other, meanwhile, solenoid valve is respectively set in upper and lower cylinders compressing air air inlet, chain by control system
Solenoid valve is controlled, when so that upper valve plate being opened, lower valve plate is in close state, and when upper valve plate is closed, lower valve plate opening unloads ash, is protected
Demonstrate,prove the lock gas reliability of unloading valve.
The cylinders compressing air air inlet connects solenoid valve, and the switching signal of the solenoid valve is controlled by control system.Root
According to Dust Characteristics and Dust Capacity, it can increase what valve used by the opening/closing time interval of lower valve plate on set-up of control system
Flexibility and widely applicable property.
The utility model forms double-deck pneumatic structure since upper lower valve plate is mutually indepedent, is linked and is controlled by control system
The opening time of lower valve plate in system guarantees the lock gas characteristic of valve, improves the reliability of valve, especially leads in involving explosives dust
Domain, effectively lock gas, can greatly reduce a possibility that causing dust explosion, in addition, can be adjusted according to operating condition (size of unloading ash capacity)
The time interval of valve opening and closing reduces residence time of the dust in dust arrester installation, is more flexible valve and widely applicable
Property.
Compared with prior art, the utility model passes through setting Double-deck air cylinder and valve board assembly and automatic control system,
The function that lock gas unloads ash is reached in simple structure, especially suitable for the dust arrester installation of involving explosives dust, compared to merely using machine
The features such as opening and closing of tool structure control valve plate, has high efficiency, stable and reliable operation, and explosion-proof performance is good.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of the utility model；
Fig. 2 is the schematic diagram of internal structure of the utility model；
In figure: 1- ash inlet；2- ash inlet flange；3- valve body；4- crank；5- connecting rod；6- cylinder；7- ash hole flange；
8- ash hole；9- cylinders compressing air air inlet；10- air cylinder fixed plate；11- is into grey channel；The upper valve plate of 12-；The upper valve plate of 13- is close
Seal rubber pad；The upper valve plate support rod of 14-；15- lower valve plate；16- lower valve plate sealing rubber pad；17- lower valve plate support rod；18- goes out
Grey channel.
Specific embodiment
The utility model is described in detail combined with specific embodiments below.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These are all within the protection scope of the present invention.
Embodiment
A kind of double-layer pneumatic Explosion-proof Lock gas unloading valve, structure is as shown in Figs. 1-2, including valve body 3, and 3 upper end of valve body is equipped with
Ash inlet 1 and ash inlet flange 2, ash inlet 1 are connect by ash inlet flange 2 with dust arrester installation, and 3 lower end of valve body is equipped with ash hole
8 and ash hole flange 7, ash hole 8 is connect by ash hole flange 7 with ash cylinder, is arranged inside valve body 3 into grey channel 11, into ash
11 lower part of channel is equipped with upper valve plate 12, upper valve plate 12 with into being equipped with upper valve plate sealing rubber pad 13 at the cooperation in grey channel 11, on
Valve plate 12 is fixed on valve plate support rod 14, and upper valve plate support rod 14 is fixed on connecting rod 5, and connecting rod 5 is articulated on valve body 3, together
When connecting rod 5 connect with the gas bar of cylinder 6 by crank 4, cylinder gas bar stretching motion drive connecting rod rotates, to realize
The on-off action of valve plate.The lower valve plate 15 of 18 lower part of ash discharge channel inside valve body 3 uses connection type consistent with the above,
Lower valve plate sealing rubber pad 16 is equipped at the cooperation in lower valve plate 15 and ash discharge channel 18, lower valve plate 15 is fixed on lower valve plate support rod
On 17.It is cylindrical shape into grey channel 11, ash discharge channel 18 is truncated cone-shaped.Cylinder 6 is fixed on outside valve body 3 by air cylinder fixed plate 10
Portion, cylinders compressing air air inlet 9 connect solenoid valve, and control system provides the switching signal of solenoid valve.
By upper valve plate 12 and lower valve plate 15, double-layer structure is formed inside valve body 3, is divided into three chambers of upper, middle and lower, system
At the beginning of operation, upper valve plate 12, lower valve plate 15 are in closed state, and involving explosives dust is after pulse jet falls ash in dust arrester installation,
After control system provides 12 opening signal of valve plate, solenoid valve is opened, and 6 gas bar of cylinder stretches out, and drives 5 turns of connecting rod by crank 4
Dynamic, upper valve plate 12 is opened, and involving explosives dust falls into middle chamber, 6 cylinders retract of cylinder from upper chamber, and upper valve plate 12 is closed, then controlled
System processed provides 15 opening signal of lower valve plate, and solenoid valve is opened, and lower valve plate 15 is opened, and involving explosives dust falls into cavity of resorption from middle chamber
Room, while falling into grey cylinder, after lower valve plate 15 is closed, upper valve plate 12 receives signal opening again, so recycles, makes involving explosives powder in this way
Dirt sends next system to by double-layer pneumatic Explosion-proof Lock gas unloading valve from dust collection device, in entire transmit process, it is ensured that gather dust
Gas will not escape into outside in equipment, while also guarantee that extraneous gas does not enter inside equipment, effectively prevent dust loss, drop
Lower security risk.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.
Claims (9)
1. a kind of double-layer pneumatic Explosion-proof Lock gas unloading valve, which is characterized in that the unloading valve includes
Valve body, top are equipped with ash inlet, and bottom is equipped with ash hole,
The valve body is Dual-layer structure, be equipped in every layer of valve body connecting rod, the crank being connect with the connecting rod and with it is described
The cylinder of crank connection, sets compressed air inlet port on the cylinder.
2. a kind of double-layer pneumatic Explosion-proof Lock gas unloading valve according to claim 1, which is characterized in that the cylinder is through cylinder
Fixed plate is connect with valve body.
3. a kind of double-layer pneumatic Explosion-proof Lock gas unloading valve according to claim 1, which is characterized in that setting in the valve body
Into grey channel, upper valve plate, ash discharge channel and lower valve plate,
Described to be arranged in the valve body of upper layer into grey channel, top is connected to the ash inlet, and the upper valve plate is arranged in bottom, described
Ash discharge channel is arranged in lower layer's valve body, and top is connected to upper layer valve body, and the lower valve plate is arranged in bottom.
4. a kind of double-layer pneumatic Explosion-proof Lock gas unloading valve according to claim 3, which is characterized in that the upper valve plate with into
Sealing rubber pad is equipped at the cooperation in grey channel, upper valve plate is connect with setting in the intracorporal connecting rod of upper valve by support rod.
5. a kind of double-layer pneumatic Explosion-proof Lock gas unloading valve according to claim 3, which is characterized in that the lower valve plate with go out
Sealing rubber pad is equipped at the cooperation in grey channel, lower valve plate is connect with setting in the intracorporal connecting rod of lower valve by support rod.
6. a kind of double-layer pneumatic Explosion-proof Lock gas unloading valve according to claim 3, which is characterized in that described to be into grey channel
It is cylinder-shaped.
7. a kind of double-layer pneumatic Explosion-proof Lock gas unloading valve according to claim 3, which is characterized in that the ash discharge channel is
Truncated cone-shaped, rotary table angle are not less than 60 °.
8. a kind of double-layer pneumatic Explosion-proof Lock gas unloading valve according to claim 1, which is characterized in that described cylinder one end is logical
It crosses and is hingedly connected to outside valve body with air cylinder fixed plate, the gas bar and crank of the other end are hinged.
9. a kind of double-layer pneumatic Explosion-proof Lock gas unloading valve according to claim 1, which is characterized in that the compressed air into
Port connects solenoid valve, and the switching signal of the solenoid valve is controlled by control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820981748.8U CN208560966U (en) | 2018-06-25 | 2018-06-25 | A kind of double-layer pneumatic Explosion-proof Lock gas unloading valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820981748.8U CN208560966U (en) | 2018-06-25 | 2018-06-25 | A kind of double-layer pneumatic Explosion-proof Lock gas unloading valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208560966U true CN208560966U (en) | 2019-03-01 |
Family
ID=65488725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820981748.8U Active CN208560966U (en) | 2018-06-25 | 2018-06-25 | A kind of double-layer pneumatic Explosion-proof Lock gas unloading valve |
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| Country | Link |
|---|---|
| CN (1) | CN208560966U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022719A (en) * | 2019-11-19 | 2020-04-17 | 国网河北省电力有限公司电力科学研究院 | Pressure self-balancing system of coal-fired boiler |
| CN111824671A (en) * | 2020-07-17 | 2020-10-27 | 杰瑞环保科技有限公司 | Double-rotary-plate valve air lock device |
| CN111853254A (en) * | 2020-07-30 | 2020-10-30 | 芜湖华洁环保设备有限公司 | Pneumatic double-layer flap valve for dust collection |
-
2018
- 2018-06-25 CN CN201820981748.8U patent/CN208560966U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022719A (en) * | 2019-11-19 | 2020-04-17 | 国网河北省电力有限公司电力科学研究院 | Pressure self-balancing system of coal-fired boiler |
| CN111824671A (en) * | 2020-07-17 | 2020-10-27 | 杰瑞环保科技有限公司 | Double-rotary-plate valve air lock device |
| CN111853254A (en) * | 2020-07-30 | 2020-10-30 | 芜湖华洁环保设备有限公司 | Pneumatic double-layer flap valve for dust collection |
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