CN207761974U - Axial-flow type fire-fighting draft fan - Google Patents
Axial-flow type fire-fighting draft fan Download PDFInfo
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- CN207761974U CN207761974U CN201820147688.XU CN201820147688U CN207761974U CN 207761974 U CN207761974 U CN 207761974U CN 201820147688 U CN201820147688 U CN 201820147688U CN 207761974 U CN207761974 U CN 207761974U
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Abstract
The utility model discloses axial-flow type fire-fighting draft fans, including wind turbine outer barrel and wind turbine inner cylinder, the wind turbine outer barrel is fire proofing wood barrel, the all round closure of the wind turbine inner cylinder and be heat-barrier material cylinder, the inner wall of the wind turbine inner cylinder is equipped with silencing cotton, motor is set in the wind turbine inner cylinder, one end of the output shaft of the motor connects impeller, the first blade is arranged in the other end of the output shaft of the motor, the impeller is divided into coaxial outer circle and inner circle, and the circumferential direction of the outer circle is uniformly arranged multiple second blades；One end that second blade is abutted on the wind turbine outer barrel is air outlet, and the air outlet is equipped with air-ducting ring, and one end of circumferentially disposed multiple deflectors of the air-ducting ring, the deflector connects air-ducting ring, and the other end of the deflector connects outer circle.The utility model can with high temperature resistant, fire resistant, in fire-fighting accident can normal operation, and the noise of the utility model is small, and ventilation effect is good, can preferably realize that wind action is led in fire-fighting.
Description
Technical field
The utility model is related to wind turbine field, especially a kind of axial-flow type fire-fighting draft fan.
Background technology
Axial flow blower, purposes than wide, change by the ventilation for being generally used for the places such as factory, warehouse, office, premises
Gas, but traditional axial flow blower is when for passageway for fire apparatus, often due to the not resistance to high temperature of axial flow blower, makes blower housing
At damage, and due to high temperature heat transfer so that motor can not work normally, to which the effect of fire-fighting ventilation be not achieved, and
Noise is larger when traditional axial flow blower is run, without warning function.
Utility model content
To solve problems of the prior art, the utility model provides a kind of axial-flow type fire-fighting draft fan.This
Utility model can with high temperature resistant, fire resistant, in fire-fighting accident can normal operation, and and alarm, and the utility model
Noise it is small, ventilation effect is good, can preferably realize that wind action is led in fire-fighting.
The technical solution adopted in the utility model is：Axial-flow type fire-fighting draft fan, including wind turbine outer barrel and wind turbine outer barrel
The wind turbine inner cylinder of coaxial arrangement, the wind turbine outer barrel are fire proofing wood barrel, and the inner wall of the wind turbine outer barrel is equipped with smoke alarm
And temperature alarm, the outer wall of the wind turbine outer barrel equipped with beam, all round closure of the wind turbine inner cylinder and is heat-barrier material
Cylinder, the inner wall of the wind turbine inner cylinder are equipped with silencing cotton, are arranged motor in the wind turbine inner cylinder, and the one of the output shaft of the motor
End connection impeller, the other end of the output shaft of the motor are circumferentially uniformly arranged multiple first blades, first blade it is straight
Diameter is less than the radius of the motor, and the impeller is divided into coaxial outer circle and inner circle, and the circumferential direction of the outer circle is uniformly arranged more
The blade angle of a second blade, second blade is 15 ° -25 °, a diameter of 400mm-1000mm of second blade,
One end that first blade is abutted on the wind turbine outer barrel is air inlet, and second blade is abutted on the wind turbine outer barrel
One end is air outlet, and the air outlet is equipped with air-ducting ring, circumferentially disposed multiple deflectors of the air-ducting ring, the deflector
One end connect air-ducting ring, the other end of the deflector connects outer circle, and the air-ducting ring is fire proofing wood feed ring；The air-ducting ring
The distance between second blade is more than 5mm.
The utility model use operation principle be：Wind enters from the air inlet of wind turbine outer barrel, is discharged from air outlet, first
Blade can play the role of as motor radiating, and the fresh air that the second blade enters air inlet is discharged, the air-ducting ring on air outlet
It can play the role of instructing wind direction；Wind turbine outer barrel is fire proofing material, can be to avoid the flame burn wind turbine outer barrel of fire, wind turbine
Inner cylinder is heat-barrier material, when can be effectively isolated fire outside high temperature, avoid high temperature from damaging motor, influence motor
It works normally, the silencing cotton on the inner wall of wind turbine inner cylinder can absorb the noise of motor generation；The inner wall of wind turbine outer barrel is equipped with cigarette
Fog siren and temperature alarm, smoke alarm and temperature alarm can send out alarm, wind in smog and temperature exceeding standard
The outer wall of machine outer barrel is equipped with beam, it is possible to reduce wind turbine shakes the influence generated to contact surface around；Second blade is used as
Air blade, its blade angle are 15 ° -25 °, and blade angle is bigger, and full blast amount and wind pressure are bigger, more expend electric power；Second leaf
A diameter of 400mm-1000mm of piece facilitates manufacture and can be selected according to actual size of the space；Between air-ducting ring and the second blade
Distance be more than 5mm so that air-ducting ring is not interfere with each other mutually when rotated with the second blade.
As advanced optimizing for the technical program, the wind turbine outer barrel is equipped with protrusion, can be riveted in the protrusion
Nameplate or logo are selected for client.
As advanced optimizing for the technical program, the annular bolt of top surface setting of the wind turbine outer barrel, the annular spiral shell
Bolt can be easy to open wind turbine outer barrel, be overhauled to the situation in wind turbine outer barrel, and can also be used as extraction wind turbine one carries
Ring uses.
It is equipped with and supplies as advanced optimizing for the technical program, between second blade and the inner wall of the wind turbine outer barrel
The gap of the second blade rotation, the gap can ensure the second blade flexible rotating in wind turbine outer barrel.
Further include pedestal, and the pedestal is equipped with fixed fixed for bolt as advanced optimizing for the technical program
Position hole, the pedestal can preferably ensure the stationarity of wind turbine, placed for wind turbine and provide support, location hole can help by
Pedestal be preferably fixed on ground or on.
As advanced optimizing for the technical program, the fire proofing material be high pressure decorative refractory slab, glass magnesium fireproof board or
Person's chlorinated rubber fireproof coating；The heat-barrier material is asbestos or rock wool；High-pressure installation refractory slab prevents fires, is moisture-proof, wear-resisting, resistance to
Oil, easy cleaning, and designs and varieties are more；Glass magnesium fireproof board, outer layer are ornament materials, and internal layer is mineral glass magnesium fire proofing material,
1500 degree of high temperature can be resisted；Expansion generates the foam of 200 millimeters thicks when chlorinated rubber fireproof coating meets fire, and charcoal is melted into protective layer, every
Exhausted burning things which may cause a fire disaster；Asbestos have extremely fireproof, electrical insulating property and thermal insulation, are important fire prevention, insulation and thermal insulation material；Rock wool system
Product are the main energy-saving materials in generally acknowledged " the 5th conventional energy resource " in the world with its excellent fireproof heat insulating characteristic.
As advanced optimizing for the technical program, the beam is rubber either silica gel damping pad rubber or silicon
Glue beam can be with high temperature resistant, and service life is long.
As advanced optimizing for the technical program, the sealing of the wind turbine inner cylinder is fixed by the first bolt, and described
One bolt can be easy for installation and removal wind turbine inner cylinder, convenient that motor is overhauled and replaced.
As advanced optimizing for the technical program, the motor is fixed on by the second bolt in wind turbine inner cylinder, and second
Bolt can fix the position of motor, the case where preventing motor from sliding.
As advanced optimizing for the technical program, the output shaft of the motor is bolted with impeller by third, the
Three bolts can ensure the connection of the axis and impeller of motor, while be dismantled when needing replacing impeller or motor.
The utility model has the beneficial effects that：
1, the utility model can with high temperature resistant, fire resistant, in fire-fighting accident can normal operation, and and alarm, and
And the noise of the utility model is small, ventilation effect is good, can preferably realize that wind action is led in fire-fighting.
2, nameplate or logo can be riveted in the protrusion of the utility model, is selected for client.
3, the annular bolt of the utility model can be easy to open wind turbine outer barrel, be examined to the situation in wind turbine outer barrel
It repaiies, the drop handle that can also be used as extraction wind turbine uses.
4, the gap between second blade of the utility model and the inner wall of the wind turbine outer barrel can ensure the second blade
The flexible rotating in wind turbine outer barrel.
5, the pedestal of the utility model can preferably ensure the stationarity of wind turbine, and support is provided for wind turbine placement, fixed
Position hole can help pedestal being preferably fixed on ground or on.
6, the high-pressure installation refractory slab fire prevention of the utility model, moisture-proof, wear-resisting, oil resistant, easy cleaning, and designs and varieties compared with
It is more；Glass magnesium fireproof board, outer layer are ornament materials, and internal layer is mineral glass magnesium fire proofing material, can resist 1500 degree of high temperature；Chlorinated rubber is anti-
Expansion generates the foam of 200 millimeters thicks when fiery coating meets fire, and charcoal is melted into protective layer, completely cuts off burning things which may cause a fire disaster；Asbestos have extremely fireproof,
Electrical insulating property and thermal insulation are important fire prevention, insulation and thermal insulation material；Asbestos product is with its excellent fireproof heat insulating characteristic
Main energy-saving material in generally acknowledged " the 5th conventional energy resource " in the world.
7, the beam of the utility model can be that either silica gel damping pad rubber or silica gel damping pad can be resistance to for rubber
High temperature, and service life is long.
8, first bolt of the utility model can be easy for installation and removal wind turbine inner cylinder, it is convenient to motor carry out maintenance and
It replaces.
9, second bolt of the utility model can fix the position of motor, the case where preventing motor from sliding.
10, the third bolt of the utility model can ensure the connection of the output shaft and impeller of motor, while need more
It is dismantled when changing impeller or motor.
Description of the drawings
Fig. 1 is the front view of the utility model；
Fig. 2 is the internal structure chart that the right side of the utility model regards；
Reference numeral：1- wind turbine outer barrels；101- protrusions；102- annular bolts；103- smoke alarms；104- temperature alarmings
Device；105- beams；2- wind turbine inner cylinders；201- silencing cottons；The first bolts of 202-；The second bolts of 203-；3- motors；301- is exported
Axis；4- impellers；401- outer circles；402- inner circles；403- third bolts；The first blades of 5-；The second blades of 6-；7- air inlets；8- goes out
Air port；9- air-ducting rings；901- deflectors；10- pedestals；1001- location holes.
Specific implementation mode
The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.
Embodiment 1
As Figure 1-Figure 2, axial-flow type fire-fighting draft fan, including wind turbine outer barrel 1, with wind turbine outer barrel 1 be coaxially disposed
Wind turbine inner cylinder 2, the wind turbine outer barrel 1 are fire proofing wood barrel, and the inner wall of the wind turbine outer barrel 1 is equipped with smoke alarm 103 and temperature
Alarm 104 is spent, the outer wall of the wind turbine outer barrel 1 equipped with beam 105, all round closure of the wind turbine inner cylinder 2 and is heat-insulated
The inner wall of material cylinder, the wind turbine inner cylinder 2 is equipped with silencing cotton 201, and motor 3, the motor 3 is arranged in the wind turbine inner cylinder 2
One end of output shaft 301 connect impeller 4, the other end of the output shaft 301 of the motor 3 is circumferentially uniformly arranged multiple first leaves
Piece 5, the diameter of first blade 5 are less than the radius of the motor 3, and the impeller 4 is divided into coaxial outer circle 401 and inner circle
402, the circumferential direction of the outer circle 401 is uniformly arranged multiple second blades 6, and the blade angle of second blade 6 is 15 °, described
A diameter of 400mm of second blade 6 against one end of first blade 5 is air inlet 7, the wind on the wind turbine outer barrel 1
One end that second blade 6 is abutted on machine outer barrel 1 is air outlet 8, and the air outlet 8 is equipped with air-ducting ring 9, the air-ducting ring
One end of 9 circumferentially disposed multiple deflectors 901, the deflector 901 connects air-ducting ring 9, the other end of the deflector 901
Outer circle 401 is connected, the air-ducting ring 9 is fire proofing wood feed ring；The distance between the air-ducting ring and the second blade are 6mm.
The utility model use operation principle be：Wind enters from the air inlet 7 of wind turbine outer barrel 1, is discharged from air outlet 8,
First blade 5 can play the role of as motor radiating, and the fresh air that the second blade 6 enters air inlet 7 is discharged, on air outlet 8
Air-ducting ring 9 can play the role of instructing wind direction；Wind turbine outer barrel 1 is fire proofing material, can be to avoid the flame burn wind of fire
Machine outer barrel 1, wind turbine inner cylinder 2 are heat-barrier material, when can be effectively isolated fire outside high temperature, avoid high temperature from causing motor 3
Damage, influences the normal work of motor 3, the silencing cotton 201 on the inner wall of wind turbine inner cylinder 2, can absorb making an uproar for the generation of motor 3
Sound；The inner wall of wind turbine outer barrel 1 is equipped with smoke alarm 103 and temperature alarm 104, smoke alarm 103 and temperature alarm
104 can send out alarm in smog and temperature exceeding standard, and the outer wall of wind turbine outer barrel 1 is equipped with beam 105, it is possible to reduce wind turbine shakes
The dynamic influence that contact surface around is generated；Second blade 6 is 15 ° as air blade, its blade angle is gone out, and expends electric power at this time
It is less；A diameter of 400mm of second blade is suitable for the smaller situation of use space；Between air-ducting ring and the second blade away from
From for 6mm so that air-ducting ring is not interfere with each other mutually when rotated with the second blade.
The utility model can with high temperature resistant, fire resistant, in fire-fighting accident can normal operation, and and alarm, and
The noise of the utility model is small, and ventilation effect is good, can preferably realize that wind action is led in fire-fighting.
Embodiment 2
As Figure 1-Figure 2, axial-flow type fire-fighting draft fan, including wind turbine outer barrel 1, with wind turbine outer barrel 1 be coaxially disposed
Wind turbine inner cylinder 2, the wind turbine outer barrel 1 are fire proofing wood barrel, and the inner wall of the wind turbine outer barrel 1 is equipped with smoke alarm 103 and temperature
Alarm 104 is spent, the outer wall of the wind turbine outer barrel 1 equipped with beam 105, all round closure of the wind turbine inner cylinder 2 and is heat-insulated
The inner wall of material cylinder, the wind turbine inner cylinder 2 is equipped with silencing cotton 201, and motor 3, the motor 3 is arranged in the wind turbine inner cylinder 2
One end of output shaft 301 connect impeller 4, the other end of the output shaft 301 of the motor 3 is circumferentially uniformly arranged multiple first leaves
Piece 5, the diameter of first blade 5 are less than the radius of the motor 3, and the impeller 4 is divided into coaxial outer circle 401 and inner circle
402, the circumferential direction of the outer circle 401 is uniformly arranged multiple second blades 6, and the blade angle of second blade 6 is 20 °, described
A diameter of 600mm of second blade 6 against one end of first blade 5 is air inlet 7, the wind on the wind turbine outer barrel 1
One end that second blade 6 is abutted on machine outer barrel 1 is air outlet 8, and the air outlet 8 is equipped with air-ducting ring 9, the air-ducting ring
One end of 9 circumferentially disposed multiple deflectors 901, the deflector 901 connects air-ducting ring 9, the other end of the deflector 901
Outer circle 401 is connected, the air-ducting ring 9 is fire proofing wood feed ring；The distance between the air-ducting ring and the second blade are 8mm.
Second blade is 20 ° as air blade, its blade angle is gone out, and full blast amount and wind pressure are larger at this time, expends electric power
It is less；A diameter of 600mm of second blade is suitable for the moderate situation of use space；Between air-ducting ring and the second blade away from
From for 8mm so that air-ducting ring is not interfere with each other mutually when rotated with the second blade.The utility model can with high temperature resistant, fire resistant,
When fire-fighting accident can normal operation, and and alarm, and the noise of the utility model is small, and ventilation effect is good, can be more preferable
Realization fire-fighting lead to wind action.
Embodiment 3
As Figure 1-Figure 2, axial-flow type fire-fighting draft fan, including wind turbine outer barrel 1, with wind turbine outer barrel 1 be coaxially disposed
Wind turbine inner cylinder 2, the wind turbine outer barrel 1 are fire proofing wood barrel, and the inner wall of the wind turbine outer barrel 1 is equipped with smoke alarm 103 and temperature
Alarm 104 is spent, the outer wall of the wind turbine outer barrel 1 equipped with beam 105, all round closure of the wind turbine inner cylinder 2 and is heat-insulated
The inner wall of material cylinder, the wind turbine inner cylinder 2 is equipped with silencing cotton 201, and motor 3, the motor 3 is arranged in the wind turbine inner cylinder 2
One end of output shaft 301 connect impeller 4, the other end of the output shaft 301 of the motor 3 is circumferentially uniformly arranged multiple first leaves
Piece 5, the diameter of first blade 5 are less than the radius of the motor 3, and the impeller 4 is divided into coaxial outer circle 401 and inner circle
402, the circumferential direction of the outer circle 401 is uniformly arranged multiple second blades 6, and the blade angle of second blade 6 is 25 °, described
A diameter of 1000mm of second blade 6 against one end of first blade 5 is air inlet 7 on the wind turbine outer barrel 1, described
One end that second blade 6 is abutted on wind turbine outer barrel 1 is air outlet 8, and the air outlet 8 is equipped with air-ducting ring 9, the wind-guiding
Circumferentially disposed multiple deflectors 901 of circle 9, one end of the deflector 901 connect air-ducting ring 9, the deflector 901 it is another
End connection outer circle 401, the air-ducting ring 9 are fire proofing wood feed ring；The distance between the air-ducting ring and the second blade are 7mm.
Second blade is 25 ° as air blade, its blade angle is gone out, and full blast amount and wind pressure are very big at this time, but expend
Electric power is also more；A diameter of 1000mm of second blade is suitable for the larger situation of use space；Air-ducting ring and the second blade it
Between distance be 7mm so that air-ducting ring is not interfere with each other mutually when rotated with the second blade.The utility model can be prevented with high temperature resistant
Flame, in fire-fighting accident can normal operation, and and alarm, and the noise of the utility model is small, and ventilation effect is good, energy
It is enough preferably to realize that wind action is led in fire-fighting.
Embodiment 2
As shown in Figure 1, the present embodiment, on the basis of embodiment 1, the wind turbine outer barrel 1 is equipped with protrusion 101.
Nameplate or logo can be riveted in the protrusion of the utility model, selected for client.
Embodiment 3
As Figure 1-Figure 2, the present embodiment is on the basis of embodiment 2, the annular spiral shell of top surface setting of the wind turbine outer barrel 1
Bolt 102.
The annular bolt of the utility model can be easy to open wind turbine outer barrel, be overhauled to the situation in wind turbine outer barrel,
The drop handle that can also be used as extraction wind turbine uses.
Embodiment 4
As Figure 1-Figure 2, the present embodiment is on the basis of embodiment 3, the second blade 6 and the wind turbine outer barrel 2 it is interior
There is the gap for second blade 6 rotation between wall.
Gap between second blade of the utility model and the inner wall of the wind turbine outer barrel can ensure that the second blade exists
Flexible rotating in wind turbine outer barrel.
Embodiment 5
As shown in Figure 1, the present embodiment on the basis of embodiment 4, further includes pedestal 10, and the pedestal 10 is equipped with and supplies
The fixed location hole of bolt 1001.
The pedestal of the utility model can preferably ensure the stationarity of wind turbine, provide support for wind turbine placement, position
Hole can help pedestal being preferably fixed on ground or on.
Embodiment 6
The present embodiment on the basis of embodiment 5, the fire proofing material be high pressure decorative refractory slab, glass magnesium fireproof board or
Chlorinated rubber fireproof coating；The heat-barrier material is asbestos or rock wool.
The high-pressure installation refractory slab fire prevention of the utility model, moisture-proof, wear-resisting, oil resistant, easy cleaning, and designs and varieties compared with
It is more；Glass magnesium fireproof board, outer layer are ornament materials, and internal layer is mineral glass magnesium fire proofing material, can resist 1500 degree of high temperature；Chlorinated rubber is anti-
Expansion generates the foam of 200 millimeters thicks when fiery coating meets fire, and charcoal is melted into protective layer, completely cuts off burning things which may cause a fire disaster；Asbestos have extremely fireproof,
Electrical insulating property and thermal insulation are important fire prevention, insulation and thermal insulation material；Asbestos product is with its excellent fireproof heat insulating characteristic
Main energy-saving material in generally acknowledged " the 5th conventional energy resource " in the world.
Embodiment 7
As described in Figure 2, for the present embodiment on the basis of embodiment 6, the beam 105 is rubber or silica gel shock-absorption
Pad.
The beam of the utility model can be that either silica gel damping pad rubber or silica gel damping pad can be with resistance to height for rubber
Temperature, and service life is long.
Embodiment 8
As shown in Fig. 2, the present embodiment, on the basis of embodiment 7, the sealing of the wind turbine inner cylinder 2 passes through the first bolt
202 fix.
First bolt of the utility model can be easy for installation and removal wind turbine inner cylinder, convenient to carry out maintenance and more to motor
It changes.
Embodiment 9
As Figure 1-Figure 2, the present embodiment on the basis of embodiment 8, by the second bolt 203 fixed by the motor 3
In wind turbine inner cylinder 2.
Second bolt of the utility model can fix the position of motor, the case where preventing motor from sliding.
Embodiment 10
As Figure 1-Figure 2, for the present embodiment on the basis of embodiment 9, the output shaft 301 and impeller 4 of the motor 3 are logical
Cross the connection of third bolt 403.
The third bolt of the utility model can ensure the connection of the output shaft and impeller of motor, while need replacing leaf
It is dismantled when wheel or motor.
Specific embodiment of the present utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (7)
1. axial-flow type fire-fighting draft fan, which is characterized in that in the wind turbine including wind turbine outer barrel, with the coaxial arrangement of wind turbine outer barrel
Cylinder, the wind turbine outer barrel are fire proofing wood barrel, and the inner wall of the wind turbine outer barrel is equipped with smoke alarm and temperature alarm, described
The outer wall of wind turbine outer barrel is equipped with beam, all round closure of the wind turbine inner cylinder and is heat-barrier material cylinder, the wind turbine inner cylinder
Inner wall is equipped with silencing cotton, and motor is arranged in the wind turbine inner cylinder, and one end of the output shaft of the motor connects impeller, the electricity
The other end of machine is circumferentially uniformly arranged multiple first blades, and the diameter of first blade is less than the radius of the motor, described
Impeller is divided into coaxial outer circle and inner circle, and the circumferential direction of the outer circle is uniformly arranged multiple second blades, second blade
Blade angle is 15 ° -25 °, a diameter of 400mm-1000mm of second blade, and described first is abutted on the wind turbine outer barrel
One end of blade is air inlet, and one end of second blade is abutted on the wind turbine outer barrel for air outlet, on the air outlet
Equipped with air-ducting ring, one end of circumferentially disposed multiple deflectors of the air-ducting ring, the deflector connects air-ducting ring, the water conservancy diversion
The other end of plate connects outer circle, and the air-ducting ring is fire proofing wood feed ring；The distance between the air-ducting ring and the second blade are more than
5mm。
2. axial-flow type fire-fighting draft fan according to claim 1, which is characterized in that the wind turbine outer barrel is equipped with convex
It rises.
3. axial-flow type fire-fighting draft fan according to claim 1, which is characterized in that the top surface of the wind turbine outer barrel is arranged
Annular bolt.
4. axial-flow type fire-fighting draft fan according to claim 1, which is characterized in that second blade and the wind turbine
The gap for second blade rotation is equipped between the inner wall of outer barrel.
5. axial-flow type fire-fighting draft fan according to claim 1, which is characterized in that further include pedestal, and the pedestal
It is equipped with for the fixed location hole of bolt.
6. axial-flow type fire-fighting draft fan according to claim 1, which is characterized in that the fire proofing material is high pressure decorative
Refractory slab, glass magnesium fireproof board or chlorinated rubber fireproof coating；The heat-barrier material is asbestos or rock wool.
7. axial-flow type fire-fighting draft fan according to claim 1, which is characterized in that the beam is rubber or silicon
Glue beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820147688.XU CN207761974U (en) | 2018-01-29 | 2018-01-29 | Axial-flow type fire-fighting draft fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820147688.XU CN207761974U (en) | 2018-01-29 | 2018-01-29 | Axial-flow type fire-fighting draft fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207761974U true CN207761974U (en) | 2018-08-24 |
Family
ID=63182162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820147688.XU Active CN207761974U (en) | 2018-01-29 | 2018-01-29 | Axial-flow type fire-fighting draft fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207761974U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925224A (en) * | 2019-12-10 | 2020-03-27 | 萍乡市南风风机厂(普通合伙) | Moistureproof axial flow fan |
| CN114567117A (en) * | 2022-01-20 | 2022-05-31 | 上海大速科技有限公司 | Flame-proof type three-phase asynchronous motor for fan |
-
2018
- 2018-01-29 CN CN201820147688.XU patent/CN207761974U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925224A (en) * | 2019-12-10 | 2020-03-27 | 萍乡市南风风机厂(普通合伙) | Moistureproof axial flow fan |
| CN110925224B (en) * | 2019-12-10 | 2021-04-16 | 萍乡市南风风机厂(普通合伙) | Moistureproof axial flow fan |
| CN114567117A (en) * | 2022-01-20 | 2022-05-31 | 上海大速科技有限公司 | Flame-proof type three-phase asynchronous motor for fan |
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