CN207454342U - A kind of centrifugal hot air circulation blower - Google Patents
A kind of centrifugal hot air circulation blower Download PDFInfo
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- CN207454342U CN207454342U CN201721235906.7U CN201721235906U CN207454342U CN 207454342 U CN207454342 U CN 207454342U CN 201721235906 U CN201721235906 U CN 201721235906U CN 207454342 U CN207454342 U CN 207454342U
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Abstract
The utility model discloses a kind of centrifugal hot air circulation blowers, including motor and centrifugal impeller, one piece of installing plate is provided between motor and impeller, the fence being fixedly connected on one side there are one tubular of installing plate, one end of fence is mounted plate closing, heat-preservation cotton is provided in fence, the one end of fence away from installing plate is provided with one piece of big end plate, the first axis hole that the output shaft of power supply machine passes through there are one being set on installing plate, the first passage passed through for output shaft is provided in heat-preservation cotton, the motor is fixedly connected on installing plate back to the one side of fence.By setting heat insulation structure between motor and centrifugal impeller, ensure that the temperature of motor working environment is met the requirements, motor is avoided to be reduced the service life due to temperature is excessively high, and the output shaft of motor can be directly connected to impeller, both the work efficiency of wind turbine had been improved, the structure of wind turbine is simplified, and reduces the maintenance cost of wind turbine.
Description
Technical field
The utility model is related to a kind of wind turbines, particularly a kind of centrifugal hot air circulation blower.
Background technology
Centrifugal hot air circulation blower is widely used in the technical fields such as glass is fired, metalwork is tempered, and effect is to make
High-temperature gas in High-temp. kiln generates the air-flow of cycle so that the temperature in stove is uniform, with improve product into quality
Amount.
Due to particular job environment of High-temp. kiln, in order to protect the driving device motor of wind turbine, usually by wind turbine
Main shaft insertion stove in and realized and rotate by bearing, then motor is mounted on outside stove, and passes through belt transmission, so
Influence of the heat transfer to the service life of motor can be reduced to the greatest extent.But this structure greatly reduces the efficiency of wind turbine, and
High temperature greatly reduces the service life of belt, bearing, and maintenance cost is very high.
Utility model content
Technical problem to be solved in the utility model is：It provides a kind of simple in structure, good in insulation effect centrifugal
Hot air circulation blower.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of centrifugal hot air circulation blower,
Including motor, centrifugal impeller is connected on the output shaft of motor, heat insulation structure is provided between the motor and impeller, it should
Heat insulation structure includes one piece of installing plate, the fence being fixedly connected on one side there are one tubular of installing plate, one end quilt of fence
Installing plate is closed, and heat-preservation cotton is provided in fence, sets that there are one first that the output shaft of power supply machine passes through on the installing plate
Axis hole, is provided with the first passage passed through for output shaft in the heat-preservation cotton, and the motor is fixedly connected on installing plate back to enclosing
The one side on column, output shaft sequentially pass through the first axis hole.
As a preferred solution, the centrifugal impeller include be fixedly connected with output shaft core wheel, it is coaxially connected
The circular bottom plate of one end of core wheel, the one side of bottom plate towards output shaft end have been oppositely arranged one piece of ring diversion plate, and annular is led
Flowing plate is coaxially disposed with output shaft, and ring diversion plate centre bore is air inlet, with defeated between bottom plate and ring diversion plate
Ring-type is discrete centered on shaft axle center is provided with a large amount of primary blades, and one end of primary blades is proximal part, separately close to output shaft axle center
One end is distal end, the distal end of any of which primary blades and the line in output shaft axle center, with the main lobe away from output shaft axle center
The tangent line of piece distal end forms channelization angle θ, and meets 50 ° of 60 ° of ＜ θ ＜, and any primary blades are using distal end as pivot, relatively
Line in its distal end Yu output shaft axle center is inclined to the same side, flow-guiding channel be formed between two adjacent primary blades, and water conservancy diversion leads to
The one end of road away from centrifugal impeller pivot is air outlet.
As a preferred solution, the primary blades camber, the windward side of primary blades is convex globoidal.
As a preferred solution, the proximal part of the primary blades is bevel edge, and primary blades proximal part is along ring diversion plate
Gradually extend to bottom plate direction to centrifugal impeller center, the primary blades proximal part is located in the range of air inlet.
As a preferred solution, the one side of the bottom plate back to primary blades is annular discrete centered on output shaft axle center
Be provided with multiple back blades, the setting direction of the back blades is consistent with the setting direction of primary blades, back blades away from bottom plate one
It holds as top, the one end of fence away from installing plate is provided with one piece of big end plate, and big end plate stops that heat-preservation cotton is deviate from from fence, institute
State the second axis hole for being again provided with passing through for output shaft on big end plate, the top of back blades is towards big end plate.
As a preferred solution, the height of the back blades close to one end of output shaft is more than one away from output shaft
The height at end makes the top of back blades into bevel edge, and it is in wedge to be provided on the big end plate with the matched section in back blades top
The annular groove of shape, the back blades top are inserted into annular groove, and insertion depth is the 1/3~1/2 of back blades top bevel edge.
As a preferred solution, connecting seat there are one being also set up between the motor and installing plate, the connecting seat bag
The pedestal being directly connected to motor is included, the multiple fixed plates stretched out from pedestal edge to installing plate, the output shaft passes through
Pedestal, multiple fixed plates are discrete to be set and is distributed in pedestal surrounding, is made to form fixed gap between pedestal and installing plate, is located at
It is fixedly connected on output shaft in the gap there are one small impeller, the fixed plate is fixedly connected with installing plate.
As a preferred solution, the connecting seat further includes one piece of top plate, and it is remote which is fixedly connected on fixed plate
One end from pedestal, the fixed plate camber, making gap, the top plate is fixedly connected with installing plate into hemispherical space.
As a preferred solution, the material of the small impeller is aluminium.
As a preferred solution, first axis hole is counterbore, and the top plate on the connecting seat is fixedly connected on the
On the inner bottom surface of one axis hole, the depth of the first axis hole meets small impeller and all submerges in the first axis hole.
The beneficial effects of the utility model are：By setting heat insulation structure between motor and centrifugal impeller, by height
High temperature in warm stove completely cuts off with motor, so that it is guaranteed that the temperature of motor working environment is met the requirements, avoids motor because of temperature mistake
It is high and reduce the service life, while with the above structure, the output shaft of motor can be directly connected to impeller, compared with tradition
Belt connection, the utility model had both improved the work efficiency of wind turbine, and had simplified the structure of wind turbine, and reduced the dimension of wind turbine
Protect cost.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model；
Fig. 2 is the structure diagram of centrifugal impeller in Fig. 1.
In Fig. 1 and Fig. 2：1st, motor, 2, centrifugal impeller, 3, installing plate, 4, fence, 5, heat-preservation cotton, 6, big end plate, 7, output
Axis, the 8, first axis hole, 9, first passage, the 10, second axis hole, 11, core wheel, 12, bottom plate, 13, ring diversion plate, 14, air inlet,
15th, primary blades, 15a, proximal part, 15b, distal end, 16, flow-guiding channel, 17, air outlet, 18, back blades, 19, annular groove, 21, even
Joint chair, 22, pedestal, 23, fixed plate, 24, gap, 25, small impeller, 26, top plate.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the utility model is described in detail.
A kind of centrifugal hot air circulation blower as shown in Figure 1 and Figure 2 including motor 1, connects on the output shaft 7 of motor 1
There is centrifugal impeller 2, heat insulation structure is provided between the motor 1 and impeller 2, which includes one piece of installation
Plate 3, the fence 4 being fixedly connected on one side there are one tubular of installing plate 3, one end of fence 4 is mounted plate 3 and closes, set in fence 4
It is equipped with heat-preservation cotton 5, sets that there are one the first axis hole 8 that the output shaft 7 of power supply machine 1 passes through, the heat-preservation cottons on the installing plate 3
It is provided with the first passage 9 passed through for output shaft 7 in 5, the motor 1 is fixedly connected on installing plate 3 back to the one side of fence 4,
Output shaft 7 sequentially passes through the first axis hole 8.
By setting heat insulation structure between motor 1 and centrifugal impeller 2, by the high temperature in High-temp. kiln and motor every
Absolutely, so that it is guaranteed that the temperature of 1 working environment of motor is met the requirements, motor 1 is avoided to be reduced the service life due to temperature is excessively high, simultaneously
With the above structure, the output shaft 7 of motor 1 with centrifugal impeller 2 can be directly connected to, is connected compared with traditional belt, this
Utility model had both improved the work efficiency of wind turbine, simplified the structure of wind turbine, and reduced the maintenance cost of wind turbine.
The centrifugal impeller 2 includes the core wheel 11, the coaxially connected circle in one end of core wheel 11 that are fixedly connected with output shaft 7
Shape bottom plate 12, the one side of bottom plate 12 towards 7 shaft end of output shaft have been oppositely arranged one piece of ring diversion plate 13, ring diversion plate 13 with
Output shaft 7 is coaxially disposed, and 13 centre bore of ring diversion plate is air inlet 14, between bottom plate 12 and ring diversion plate 13 with
Ring-type is discrete centered on 7 axle center of output shaft is provided with a large amount of primary blades 15, and one end of primary blades 15 is close to 7 axle center of output shaft
Proximal part 15a, the other end are distal end 15b, the distal end 15b of any of which primary blades 15 is with exporting away from 7 axle center of output shaft
The line in 7 axle center of axis forms channelization angle θ with the tangent line of 15 distal end 15b of the primary blades, and meets 50 ° of 60 ° of ＜ θ ＜, Ren Yizhu
Blade 15 is inclined to the same side using distal end 15b as pivot, compared with the line in its distal end 15b and 7 axle center of output shaft,
Flow-guiding channel 16 is formed between two adjacent primary blades 15, the one end of flow-guiding channel 16 away from 2 pivot of centrifugal impeller is
Air port 17.
It is reasonable that 2 channelization angle of centrifugal impeller of said structure is set, and primary blades 15 are small by windage, and centrifugal effect is good, Er Qieyou
Effect reduces the noise generated when centrifugal impeller 2 rotates.
15 camber of primary blades, the windward side of primary blades 15 is convex globoidal, further reduces the windage of primary blades 15.
The proximal part 15a of the primary blades 15 is bevel edge, and 15 proximal part 15a of primary blades is along ring diversion plate 13 to bottom plate 12
Direction gradually extends to 2 center of centrifugal impeller, and the 15 proximal part 15a of primary blades is located in the range of air inlet 14.
Air-flow, can be due to inertial impaction bottom plate 12, and by the nearly heart of primary blades 15 from air inlet 14 into centrifugal impeller 2
End be arranged in the range of air inlet 14, then when air-flow from air inlet 14 enter centrifugal impeller 12, be subject to primary blades 15
Agitation, it is quick to form vortex, flowed along road passage 16 outside centrifugal impeller 12, so as to accelerate the circulation rate of air-flow and
Improve the work efficiency of wind turbine.
The bottom plate 12 back to primary blades 15 one side centered on 7 axle center of output shaft annular discrete be provided with multiple accessory lobes
Piece 18, the setting direction of the back blades 18 is consistent with the setting direction of primary blades 15, and the one end of back blades 18 away from bottom plate 12 is
Top, the one end of fence 4 away from installing plate are provided with one piece big end plate 6, and big end plate 6 stops that heat-preservation cotton 5 is deviate from from fence 4,
It is provided with the second axis hole 10 passed through for output shaft 7 on big end plate 6, the top of back blades 18 is towards big end plate 6.
Since back blades 18 is consistent with the setting direction of primary blades 15, when primary blades 15 do centrifugal rotation, accessory lobes
Piece 18 also drives the gas of its central area to do centrifugal movement, and is overflowed outside back blades 18, so that heart-shaped in back blades 18
Into a negative pressuren zone, the high-temperature gas in High-temp. kiln is avoided to enter the center of back blades 18, so as to which high-temperature gas be avoided to lead to
Cross the second axis hole 10 makes output shaft 7 heat up into first passage 9.
The height of the one end of the back blades 18 close to output shaft 7 is more than the height of one end away from output shaft 7, makes accessory lobes
The top of piece 18 is provided with the annular groove 19 wedge shaped with the matched section in 18 top of back blades into bevel edge on the big end plate 6,
In 18 top of the back blades insertion annular groove 19, insertion depth is the 1/3~1/2 of 18 top bevel edge of back blades.
It, can be with due to being provided with annular groove 19 on bottom plate 12, and by the tip portion of back blades 18 insertion annular groove 19
The center that high thermal current enters back blades 18 between back blades 18 and bottom plate 12 is efficiently reduced, so as to further improve
To the heat insulation of output shaft 7.And even if high thermal current enters the center of back blades 18 between back blades 18 and bottom plate 12
Area can also be taken away by sideline production wheel 18 immediately, and 18 peripheral region of back blades is returned to from newly.
It is also set up between the motor 1 and installing plate 3 there are one connecting seat 21, which includes direct with motor 1
The pedestal 22 of connection, the multiple fixed plates 23 stretched out from 22 edge of pedestal to installing plate 3, the output shaft 7 pass through pedestal
22, multiple fixed plates 23 are discrete to be set and is distributed in 22 surrounding of pedestal, makes to form fixed gap between pedestal 22 and installing plate 3
24, it is fixedly connected on the output shaft 7 in the gap 24 there are one small impeller 25, the fixed plate 23 is fixed with installing plate 3
Connection.
Small impeller 25 is rotated synchronously with output shaft 7, is blown downwards, while reducing hot gas spilling in stove, is accelerated
The heat of output shaft 7 distributes, and improves the security of motor work.
The connecting seat 21 further includes one piece of top plate 26, which is fixedly connected on one of fixed plate 23 away from pedestal 21
End, 23 camber of fixed plate, making gap 23, the top plate 26 is fixedly connected with installing plate 3 into hemispherical space.
Arc fixed plate 23 has preferable intensity and shock resistance, improves the job stability of wind turbine.It increases simultaneously
The space in gap 23.Convenient for the flowing of gas.
The material of the small impeller 25 is aluminium, and aluminium perfect heat-dissipating here can also be using small impeller 25 as a heat dissipation
Device, thermal energy conduction to small impeller 25, small impeller 25 are rotated by itself, rapid cooling.
First axis hole 8 is counterbore, and the top plate 26 on the connecting seat 21 is fixedly connected on the inner bottom surface of the first axis hole 8
On, the depth of the first axis hole 8 meets small impeller 25 and all submerges in the first axis hole 8.
Small impeller 25 is submerged in the first axis hole 8, small impeller 25 can be protected.
The operation principle of the utility model is：During using above-mentioned centrifugal hot air circulation blower, the stove in stove is first had to
One and 4 matched hole of fence are opened up on wall, then 2 one end of centrifugal impeller of wind turbine is inserted into stove, until installing plate 3
It is affixed with stove outer wall, is then fixed together connecting plate 3 and the outer wall of stove by multiple fastening bolts, complete peace
Dress.
After starting wind turbine, the gas motion inside stove is driven in the rotation of centrifugal impeller, forms air-flow and inside stove
Xun Huan, so that the temperature of stove various places inside reaches balanced.
Small impeller 25 is directly connected to output shaft 7, and small impeller 25 has extremely strong heat dissipation performance, can prevent heat from output
Axis 7 is transferred to inside motor.Ensure that the normal operation of motor.
Back blades 18 follows 2 synchronous rotary of centrifugal impeller, and the center of back blades 18 is made to form negative pressuren zone, prevents High Temperature Gas
Body is entered by the second axis hole 10 in first passage 9, so as to which high-temperature gas be avoided to be contacted with output shaft 7, reduces heat transfer effect,
Ensure the operating temperature of motor 1.
Heat-preservation cotton 5 completely cuts off the thermal energy inside stove inside stove, and thermal energy is avoided to overflow, motor is made to be heated, so as to
Ensure the normal operation of motor.
The special setting of the primary blades 15 of centrifugal impeller 2, makes the windage that primary blades 15 receive in rotation process subtract significantly
Small, while improving gas flow rates, it is the noise generated to reduce the rotation of centrifugal impeller 2.
Due to realizing the output shaft 7 of motor 1 and being directly connected to for impeller 2, greatly reduce motor 1 and drive impeller
Energy loss when 2.Improve the efficiency of wind turbine.
The embodiment that the principles and effects of the invention is only illustrated in above-described embodiment and part uses,
And is not intended to limit the present invention；It should be pointed out that for those of ordinary skill in the art, the invention structure is not being departed from
On the premise of think of, various modifications and improvements can be made, these belong to protection scope of the present invention.
Claims (10)
1. including motor (1), centrifugal impeller is connected on the output shaft (7) of motor (1) for a kind of centrifugal hot air circulation blower
(2), which is characterized in that be provided with heat insulation structure between the motor (1) and impeller (2), which includes
One piece of installing plate (3), the fence (4) being fixedly connected on one side there are one tubular of installing plate (3), one end of fence (4) is mounted
Plate (3) is closed, and heat-preservation cotton (5) is provided in fence (4), the output shaft there are one power supply machine (1) is set on the installing plate (3)
(7) the first axis hole (8) passed through is provided with the first passage (9) passed through for output shaft (7), the electricity in the heat-preservation cotton (5)
Machine (1) is fixedly connected on installing plate (3) back to the one side of fence (4), and output shaft (7) sequentially passes through the first axis hole (8), first logical
Road (9).
A kind of 2. centrifugal hot air circulation blower according to claim 1, which is characterized in that centrifugal impeller (2) bag
Include the core wheel (11) being fixedly connected with output shaft (7), the coaxially connected circular bottom plate (12) in one end of core wheel (11), bottom plate
(12) one piece of ring diversion plate (13), ring diversion plate (13) and output have been oppositely arranged towards the one side of output shaft (7) shaft end
Axis (7) is coaxially disposed, and ring diversion plate (13) centre bore is air inlet (14), positioned at bottom plate (12) and ring diversion plate (13)
Between centered on output shaft (7) axle center it is annular it is discrete be provided with a large amount of primary blades (15), one end of primary blades (15) is close to defeated
Shaft (7) axle center is proximal part (15a), and the other end is away from output shaft (7) axle center, for distal end (15b), any of which main lobe
The distal end (15b) of piece (15) and the line in output shaft (7) axle center are formed with the tangent line of primary blades (15) distal end (15b)
Channelization angle θ, and meet 50 ° of 60 ° of ＜ θ ＜, any primary blades (15) with distal end (15b) be pivot, compared with its telecentricity
End (15b) and the line in output shaft (7) axle center are inclined to the same side, and two adjacent primary blades form flow-guiding channel between (15)
(16), the one end of flow-guiding channel (16) away from centrifugal impeller (2) pivot is air outlet (17).
3. a kind of centrifugal hot air circulation blower according to claim 2, which is characterized in that the primary blades (15) are into arc
Shape, the windward side of primary blades (15) is convex globoidal.
4. a kind of centrifugal hot air circulation blower according to claim 2, which is characterized in that the primary blades (15) it is near
Heart end (15a) is bevel edge, and primary blades (15) proximal part (15a) is along ring diversion plate (13) to bottom plate (12) direction gradually to centrifugation
Impeller (2) center extends, and primary blades (15) proximal part (15a) is located in the range of air inlet (14).
5. a kind of centrifugal hot air circulation blower according to claim 2, which is characterized in that the bottom plate (12) is back to master
The one side of blade (15) centered on output shaft (7) axle center annular it is discrete be provided with multiple back blades (18), the back blades (18)
Setting direction it is consistent with the setting direction of primary blades (15), the one end of back blades (18) away from bottom plate (12) is described for top
The one end of fence (4) away from installing plate is provided with one piece big end plate (6), and big end plate (6) stops heat-preservation cotton (5) from fence (4)
Deviate from, the second axis hole (10) passed through for output shaft (7), the top of back blades (18) are again provided on the big end plate (6)
Towards big end plate (6).
6. a kind of centrifugal hot air circulation blower according to claim 5, which is characterized in that the back blades (18) is close
The height of one end of output shaft (7) is more than the height of one end away from output shaft (7), makes the top of back blades (18) into bevel edge,
It is provided on the big end plate (6) and the wedge shaped annular groove (19) of the matched section in back blades (18) top, the back blades
(18) in top insertion annular groove (19), insertion depth is the 1/3~1/2 of back blades (18) top bevel edge.
7. according to a kind of any centrifugal hot air circulation blower of claim 1~6, which is characterized in that the motor (1)
It is also set up between installing plate (3) there are one connecting seat (21), which includes the pedestal being directly connected to motor (1)
(22), the multiple fixed plates (23) stretched out from pedestal (22) edge to installing plate (3), the output shaft (7) pass through pedestal
(22), multiple fixed plates (23) are discrete sets and is distributed in pedestal (22) surrounding, makes to be formed between pedestal (22) and installing plate (3)
Fixed gap (24) is fixedly connected on the output shaft (7) in the gap (24) there are one small impeller (25), the fixation
Plate (23) is fixedly connected with installing plate (3).
8. a kind of centrifugal hot air circulation blower according to claim 7, which is characterized in that the connecting seat (21) is also wrapped
One piece of top plate (26) is included, which is fixedly connected on the one end of fixed plate (23) away from pedestal (21), the fixed plate
(23) camber, making gap (23), the top plate (26) is fixedly connected with installing plate (3) into hemispherical space.
A kind of 9. centrifugal hot air circulation blower according to claim 7, which is characterized in that the material of the small impeller (25)
Matter is aluminium.
10. a kind of centrifugal hot air circulation blower according to claim 7, which is characterized in that first axis hole (8) is
Counterbore, the top plate (26) on the connecting seat (21) are fixedly connected on the inner bottom surface of the first axis hole (8), the first axis hole (8)
Depth meets small impeller (25) and all submerges in the first axis hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721235906.7U CN207454342U (en) | 2017-09-25 | 2017-09-25 | A kind of centrifugal hot air circulation blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721235906.7U CN207454342U (en) | 2017-09-25 | 2017-09-25 | A kind of centrifugal hot air circulation blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454342U true CN207454342U (en) | 2018-06-05 |
Family
ID=62284010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721235906.7U Active CN207454342U (en) | 2017-09-25 | 2017-09-25 | A kind of centrifugal hot air circulation blower |
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| Country | Link |
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| CN (1) | CN207454342U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524620A (en) * | 2017-09-25 | 2017-12-29 | 张家港保税区创典炉窑通风设备有限公司 | A kind of centrifugal hot air circulation blower |
| CN110439836A (en) * | 2019-08-31 | 2019-11-12 | 丹阳市一石机械有限公司 | A kind of high sealing water-cooling fan |
| CN111041183A (en) * | 2019-12-16 | 2020-04-21 | 杭州三立电炉有限公司 | Spring heat treatment furnace temperature heated air circulation device |
-
2017
- 2017-09-25 CN CN201721235906.7U patent/CN207454342U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524620A (en) * | 2017-09-25 | 2017-12-29 | 张家港保税区创典炉窑通风设备有限公司 | A kind of centrifugal hot air circulation blower |
| CN110439836A (en) * | 2019-08-31 | 2019-11-12 | 丹阳市一石机械有限公司 | A kind of high sealing water-cooling fan |
| CN111041183A (en) * | 2019-12-16 | 2020-04-21 | 杭州三立电炉有限公司 | Spring heat treatment furnace temperature heated air circulation device |
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