CN208311078U - A kind of Pneumatic explosion-prevention fan - Google Patents
A kind of Pneumatic explosion-prevention fan Download PDFInfo
- Publication number
- CN208311078U CN208311078U CN201820567045.0U CN201820567045U CN208311078U CN 208311078 U CN208311078 U CN 208311078U CN 201820567045 U CN201820567045 U CN 201820567045U CN 208311078 U CN208311078 U CN 208311078U
- Authority
- CN
- China
- Prior art keywords
- explosion
- fan
- air motor
- proof
- pneumatic
- Prior art date
- 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.)
- Active
Links
Abstract
The utility model provides a kind of Pneumatic explosion-prevention fan, the defeated piping connection of pressure hearsay of Pneumatic explosion-prevention fan and the production of outside air compression device, the Pneumatic explosion-prevention fan includes fan main body, connection support bar and pedestal, pedestal is fixedly connected with connection support bar, fan main body is fixedly connected in connection support bar, and fan main body includes radiator grille, back shell, pressure ventilation pipe, explosion-proof air motor and the fan blade being set in the explosion-proof air motor rotation axis.Radiator grille and below the cover form an accommodation space for accommodating explosion-proof air motor and fan blade after closing；Pressure ventilation pipe one end and the pressure defeated piping connection of hearsay, the other end are connect with explosion-proof air motor, which is used to provide the compressed air for explosion-proof air motor.The utility model is designed reasonably, structure is simple, safety, explosion-proof, is not affected by, and low-profile, beauty, novel, practical, suitable for mass production.
Description
Technical field
The utility model relates to fan technology field, especially a kind of Pneumatic explosion-prevention fan.
Background technique
Present most polishing departement, can generate many dust, which belongs to metal powder during sanding and polishing
Dirt is a kind of flammable and explosive substance, when meeting when dust concentration reaches certain density in workshop with electrostatic or open fire, Jiu Huifa
Fecula dust explosion.And all containing a large amount of gas, ether, ethyl alcohol, benzene etc. in the Code in Hazardous Special Locations such as some painting workshops or coal mine
Flammable explosive gas, the generated spark of electrical contact, mechanical friction or release, can also cause to burn or explode.
And for the fan that above-mentioned inflammable and explosive particular surroundings is installed, necessity makees technological processing for explosion protection feature, because general common
Fan electrical energy drive, polishing departement, painting workshop or coal mine, be dust, the place more than flammable explosive gas, motor opens
Electric arc is had when dynamic, can ignite dust or gas, even if using fire-proof motor, but its volume is big, and the cable of laying also has can
Electric leakage can be worn, accordingly, there exist great security risks, it is therefore desirable to which one kind can be in spies such as inflammable and explosive, high temperature, humidities
The Pneumatic explosion-prevention fan of continuous work under different environment.
Utility model content
The purpose of this utility model is that overcome the shortcomings of existing technologies, and it is simple to provide a kind of structure, easy to use,
Can under the particular surroundings such as inflammable and explosive, high temperature, humidity continuous work Pneumatic explosion-prevention fan.
To achieve the above object, the utility model uses a kind of following technical scheme: Pneumatic explosion-prevention fan, described pneumatic anti-
The defeated piping connection of pressure hearsay of quick-fried fan and the production of outside air compression device, the Pneumatic explosion-prevention fan include fan main body,
Connection support bar and pedestal, the pedestal are fixedly connected with connection support bar, and fan main body is fixedly connected on connection support bar
On, the fan main body includes radiator grille, back shell, pressure ventilation pipe, explosion-proof air motor and is set to the explosion-proof pneumatic horse
Up to the fan blade in rotation axis；The radiator grille and below the cover form one after closing and accommodate explosion-proof air motor and fan blade
Accommodation space；Described pressure ventilation pipe one end and the pressure defeated piping connection of hearsay, the other end are connect with explosion-proof air motor, the pressure ventilation pipe
For providing the compressed air for explosion-proof air motor.
In above structure, there is air inlet and gas outlet on the explosion-proof air motor；The air inlet and pressure ventilation pipe
Connection, the gas outlet is connected with exhaust hose.
In above structure, the exhaust hose is serpentine-like to be arranged in back shell back, discharge hose one end with it is explosion-proof
Gas outlet connection on air motor, the other end are placed in the fan blade rear；It is described explosion-proof when the fan blade rotates
The compressed air of air motor gas outlet discharge is blown forward through discharge hose.
In above structure, the pressure ventilation pipe is equipped with Quick adjusting joint, and the Quick adjusting joint enters for controlling
The flow of explosion-proof air motor compressed air and then the output power and revolving speed for adjusting explosion-proof air motor.
The utility model compared with prior art the utility model has the advantages that the utility model using air motor replace traditional electricity
Dynamic motor, mainly using compressed air as power source, the pressure energy of compressed air is converted since air motor is without electric part
Rotation axis high-speed rotation is driven for mechanical energy and fan blade is driven to rotate.The air motor not only have it is small in size, light-weight,
Revolving speed and the wide no-spark of changed power range do not play the advantages that electrostatic, and do not generate the danger such as spark, explosion, short circuit (electricity)
Factor, it is safe, explosion-proof, it is particularly suitable for the environment with flammable and explosive substance or high temperature.The utility model is designed reasonably, structure letter
Single, safety is explosion-proof, is not affected by, and low-profile, beauty, novel, practical, suitable for mass production.
Detailed description of the invention
Fig. 1 is the constructive embodiment schematic diagram of the utility model；
Fig. 2 is the overall structure embodiment schematic diagram of the utility model.
In figure: fan main body 1, connection support bar 2, pedestal 3, exhaust hose 4, Quick adjusting joint 5, explosion-proof air motor
11, fan blade 12, radiator grille 13, back shell 14, pressure ventilation pipe 15, air inlet 111, gas outlet 112.
Specific embodiment
In order to more fully understand the technology contents of the utility model, combined with specific embodiments below to the skill of the utility model
Art scheme is described further and illustrates.
As shown in 1 and Fig. 2；A kind of Pneumatic explosion-prevention fan, Pneumatic explosion-prevention fan and the production of outside air compression device
The connection of wind transfer conduit (not shown) is pressed, which includes fan main body 1, connection support bar 2 and pedestal 3, bottom
Seat 3 is fixedly connected with connection support bar 2, and fan main body 1 is fixedly connected in connection support bar 2, and fan main body 1 includes radiator grille
13, back shell 14, pressure ventilation pipe 15, explosion-proof air motor 11 and the fan blade being set in explosion-proof 11 rotation axis of air motor
12.Radiator grille 13 and the lid of rear mask 14 form an accommodation space for accommodating explosion-proof air motor 11 and fan blade 12 after closing；Pressure
The defeated piping connection of pressure hearsay of 13 one end of air hose and the production of outside air compression device, the other end and explosion-proof air motor 11 connect
It connects, which is used for the compressed air provided for explosion-proof air motor 11.
Specifically, explosion-proof air motor 11 converts the pressure energy of compressed air mainly using compressed air as power source
Rotation axis high-speed rotation is driven for mechanical energy and fan blade 12 is driven to rotate.The explosion-proof air motor 11 is piston type pneumatic horse
It reaches, concrete model MT-750, power 1/2HP, revolution 2500rpm, wind pressure 2mpa, frequency 50Hz, mainly by connecting rod, song
The composition such as axis, piston, cylinder, body, distributing valve.Compressed air is successively supplied to each cylinder by distributing valve, so that expansion is done
Function pushes crankshaft rotation by connecting rod.Its function mostlys come from gas expansion function.Since explosion-proof air motor 11 has volume
Small, light-weight, revolving speed and the wide no-spark of changed power range；The advantages that not playing electrostatic, is not affected by, especially suitable
For the environment with flammable and explosive substance or high temperature, in addition suitable for water, more dirt, humidity, in the adverse circumstances such as dirty.
Preferably, there is air inlet 111 and gas outlet 112 on explosion-proof air motor 11；Air inlet 111 and pressure ventilation pipe 15
Connection, gas outlet 112 is connected with exhaust hose 4.
Preferably, exhaust hose 4 is serpentine-like is arranged in 14 back of back shell, 4 one end of discharge hose and explosion-proof pneumatic
Gas outlet 112 on motor 11 is connected to, and the other end is placed in 12 rear of fan blade.When fan blade 12 rotates, explosion-proof pneumatic horse
The compressed air being discharged up to 11 gas outlets 112 can blow forward through discharge hose 4.The exhaust hose 4 mainly allows anti-gas explosion
The compressed air that dynamic motor 11 is discharged is Ke Xunhuanliyong, and fan air draught is allowed faster to play energy-saving and environment-friendly effect.
Preferably, pressure ventilation pipe 15 be equipped with Quick adjusting joint 5, Quick adjusting joint 5 for control through air inlet 111 into
Enter the flow of the compressed air into explosion-proof air motor 11 and then adjusts the output power and revolving speed of explosion-proof air motor 11.
The utility model compared with prior art the utility model has the advantages that the utility model using air motor replace traditional electricity
Dynamic motor, mainly using compressed air as power source, the pressure energy of compressed air is converted since air motor is without electric part
Rotation axis high-speed rotation is driven for mechanical energy and fan blade is driven to rotate.The air motor not only have it is small in size, light-weight,
Revolving speed and the wide no-spark of changed power range do not play the advantages that electrostatic, and do not generate the danger such as spark, explosion, short circuit (electricity)
Factor, it is safe, explosion-proof, it is particularly suitable for the environment with flammable and explosive substance or high temperature.The utility model is designed reasonably, structure letter
It is single, there is explosion prevention function, and low-profile, beauty, it is novel, it is practical, it is suitable for mass production.
The technology contents set forth above that the utility model is only further illustrated with embodiment, in order to which reader is easier to manage
Solution, but do not represent the embodiments of the present invention and be only limitted to this, any technology done according to the utility model extends or creates again
It makes, by the protection of the utility model.
Claims (4)
1. a kind of Pneumatic explosion-prevention fan, the pressure wind transfer conduit of the Pneumatic explosion-prevention fan and the production of outside air compression device
Connection, the Pneumatic explosion-prevention fan include fan main body, connection support bar and pedestal, and the pedestal and connection support bar, which are fixed, to be connected
It connects, fan main body is fixedly connected in connection support bar, it is characterised in that: the fan main body includes radiator grille, back shell, pressure
Air hose, explosion-proof air motor and the fan blade being set in the explosion-proof air motor rotation axis；The radiator grille is with after
Mask lid forms an accommodation space for accommodating explosion-proof air motor and fan blade after closing；Described pressure ventilation pipe one end and pressure hearsay are defeated
Piping connection, the other end are connect with explosion-proof air motor.
2. a kind of Pneumatic explosion-prevention fan according to claim 1, it is characterised in that: on the explosion-proof air motor have into
Port and gas outlet；The air inlet is connected to pressure ventilation pipe, and the gas outlet is connected with exhaust hose.
3. a kind of Pneumatic explosion-prevention fan according to claim 2, it is characterised in that: the exhaust hose is serpentine-like to be arranged in
Back shell back, discharge hose one end are connected to the gas outlet on explosion-proof air motor, and the other end is placed in the fan leaf
Piece rear；When the fan blade rotates, the compressed air of the explosion-proof air motor gas outlet discharge through discharge hose forward
Air-supply.
4. a kind of Pneumatic explosion-prevention fan according to claim 1, it is characterised in that: the pressure ventilation pipe, which is equipped with, quickly to be adjusted
Connector, the flow that the Quick adjusting joint is used to control into explosion-proof air motor compressed air adjust explosion-proof pneumatic horse in turn
The output power and revolving speed reached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820567045.0U CN208311078U (en) | 2018-04-20 | 2018-04-20 | A kind of Pneumatic explosion-prevention fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820567045.0U CN208311078U (en) | 2018-04-20 | 2018-04-20 | A kind of Pneumatic explosion-prevention fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208311078U true CN208311078U (en) | 2019-01-01 |
Family
ID=64719205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820567045.0U Active CN208311078U (en) | 2018-04-20 | 2018-04-20 | A kind of Pneumatic explosion-prevention fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208311078U (en) |
-
2018
- 2018-04-20 CN CN201820567045.0U patent/CN208311078U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208311078U (en) | A kind of Pneumatic explosion-prevention fan | |
| RU134244U1 (en) | GAS PUMPING UNIT | |
| CN104453979A (en) | Method for improving underground coal mine negative pressure suction dust removal technology | |
| CN207761974U (en) | Axial-flow type fire-fighting draft fan | |
| CN105952539A (en) | Micro turbojet engine | |
| CN215062190U (en) | Hot primary air bypass device of coal-fired power plant boiler | |
| CN105275682A (en) | Explosion-proof diesel engine | |
| CN105465005A (en) | Hydraulic type self-power-generating smoke exhaust fan with lighting function | |
| CN201318329Y (en) | Novel firefighting fan | |
| CN102451948A (en) | Blowing device | |
| CN201049167Y (en) | Hydraulic smoke-removing device | |
| CN207892703U (en) | A kind of anti-explosion diesel generating set | |
| CN105156341A (en) | Fan device | |
| CN209385236U (en) | A kind of heat engine | |
| CN105201554A (en) | Air engine taking natural gas as energy | |
| CN206111862U (en) | Airtight mechanism of protection bearing room | |
| CN204436827U (en) | A kind of explosion-proof type blower fan for flame-retardant board manufacturing shop | |
| CN205663511U (en) | Explosion -proof diesel oil air compressor unit | |
| CN217207025U (en) | Ventilation structure of steam-electricity dual-drive draught fan exhaust pipeline | |
| CN205478386U (en) | Water conservancy type is from smoke exhaust fan of electricity generation area illumination | |
| CN203742871U (en) | Explosion-proof diesel engine | |
| CN202882981U (en) | Refrigerant compression device | |
| CN201285203Y (en) | Dehumidifying and drying apparatus for explosive powder of firecracker | |
| CN202250955U (en) | High-flow fan | |
| CN202303864U (en) | Drying air pipe heating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |