CN110081006A - A kind of multiple duct high temperature resistant centrifugal blower - Google Patents
A kind of multiple duct high temperature resistant centrifugal blower Download PDFInfo
- Publication number
- CN110081006A CN110081006A CN201910369464.2A CN201910369464A CN110081006A CN 110081006 A CN110081006 A CN 110081006A CN 201910369464 A CN201910369464 A CN 201910369464A CN 110081006 A CN110081006 A CN 110081006A
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- China
- Prior art keywords
- air
- casing
- air duct
- duct
- impeller
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/4246—Fan casings comprising more than one outlet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
Abstract
The invention discloses a kind of multiple duct high temperature resistant centrifugal blowers, including casing, the front panel of the casing offers collection air port, impeller is rotatably arranged on the inside of casing to integrate air port as the center of circle, the rear panel of casing is equipped with the driving motor for driving wheel rotation, the internal chamber wall of impeller and casing is formed with the centrifugal air duct for accelerating whizzer and the diffusion air duct for gas to be discharged, and diffusion air duct end offers multiple main air outlets, and the side wall in diffusion air duct offers side air-out mouth；The present invention passes through the main air outlet being arranged on diffusion air duct and side air-out mouth, multiple diffusion air ducts are integrally formed in casing, and the adjustable main air outlet of adjusting air valve and side air-out mouth being arranged by main air outlet and side air-out mouth side are with respect to draft capacity, the discharge effect of different air quantity types can be achieved, and casing and impeller are all made of heat-resisting material and are made, and the heat radiation rack being provided with substantially increases the driving motor radiating efficiency for being mounted on casing side.
Description
Technical field
Present invention relates particularly to a kind of centrifugal blower, specifically a kind of multiple duct high temperature resistant centrifugal blower.
Background technique
Centrifugal blower is the principle that potential energy is converted to according to kinetic energy, is accelerated gas using high-speed rotating impeller, then
Slow down, change flow direction, kinetic energy is made to be converted into potential energy (pressure).In one-stage centrifugal blower, gas is from axially into impeller, gas
It is radially redirected when flowing through impeller, subsequently into diffuser.In diffuser, gas and changing flow direction and conduit section
Area increase makes flow slowing down, and this decelerating effect converts kinetic energy into pressure energy.Pressure, which increases, to be occurred mainly in impeller,
Secondary generation is in diffusion process.In Multi-stage centrifugal fan, next impeller is allowed airflow into return channel, generates higher pressure.
In the air blast operation of many high-temperature gases, prolonged high-temperature blast can be to impeller, chassis body and installation
Driving motor in casing side causes to damage, and substantially reduces the service life of centrifugal blower.
Current centrifugal blower is mostly single air duct blower, and gas only has single-point discharge outlet in diffusion air duct, this leads to list
The air draft of a centrifuge can only act on an object, for multistage screening blower device class in application, different selection by winnowing often needs
Otherwise air blast operation is carried out with the centrifugal blower of air quantity, the adjusting air valve of quantity-adjustable is mostly used to be controlled currently on the market
System, but this is also only rested in the control to single air draft point, be cannot achieve single centrifugal blower while being exported different air quantity
Demand, therefore, for this kind of situation, it would be desirable to a kind of resistance to height of multiple duct for possessing multiple duct and can exporting different air quantity simultaneously
Warm centrifugal blower.
Summary of the invention
The purpose of the present invention is to provide a kind of multiple duct high temperature resistant centrifugal blowers, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of multiple duct high temperature resistant centrifugal blower, including casing, centrifugal air duct, diffusion air duct, collection air port, wind collecting unit, leaf
Wheel drive motor and adjusting air valve, the front panel of the casing offer collection air port, and the impeller is rotated using integrating air port as the center of circle
The inside of casing is set, the rear panel of the casing is equipped with the driving motor for driving wheel rotation, the impeller with
The internal chamber wall of casing is formed with the centrifugal air duct for accelerating whizzer and the diffusion air duct for gas to be discharged, the diffusion
Air duct end offers main air outlet, and the side wall in the diffusion air duct offers side air-out mouth, and the end in the diffusion air duct is simultaneously
It arranges and is equipped with multiple main air outlets, the side of main air outlet and side air-out mouth is equipped with the adjusting air valve of adjustable air output, institute
Driving motor is stated to be mounted on the rear panel of casing by heat radiation rack.
Further scheme: the terminal surface in the diffusion air duct offers main mouth, and the main mouth outer openings are equipped with
Adjusting air valve, the outer openings of the adjusting air valve are equipped with multiple main air outlets.
Further scheme: the side air-out mouth is integrally provided in the intersection of centrifugal air duct and diffusion air duct, centrifugation
Side port is offered on the lateral wall of the casing of the intersection in air duct and diffusion air duct, the side port outer openings are fixed with water conservancy diversion
Side air-out mouth is fixedly mounted by adjusting air valve in pipe, the outboard end of diversion pipe.
Further scheme: the impeller includes impeller chassis and blade, and the rear panel on the impeller chassis is by turning
The motor shaft of the dynamic impeller shaft and driving motor being threaded through on casing rear panel is fixedly linked, on the front panel on the impeller chassis
The blade of vertical fixed multiple spirals is reserved with the impeller air inlet area being connected to each other with collection air port at the center of blade, is separated by leaf
The blade air duct gradually opened in section is equipped between piece, blade air duct is communicated with centrifugal air duct and diffusion air duct.
Further scheme: being equipped with wind collecting unit on the outside of the collection air port, the wind collecting unit outer end face is equipped with funnel
The protrusion of type.
Further scheme: the angle in the impeller and diffusion air duct is equipped with block, and the block is by centrifugal air duct
It is blocked with the top connectivity part in diffusion air duct.
Further scheme: the casing generally scroll casing shape, the collection air port are provided at the spiral center of spiral case,
The centrifugal air duct is coil cross section size gradually open form, and the diffusion air duct is the channel of sectional uniform, the casing and impeller
Heat-resisting material is all made of to be made.
Compared with prior art, the beneficial effects of the present invention are: the present invention passes through the main air outlet being arranged on diffusion air duct
With side air-out mouth, multiple diffusion air ducts, and the adjusting being arranged by main air outlet and side air-out mouth side is integrally formed in casing
The adjustable main air outlet of air valve and side air-out mouth with respect to draft capacity, it can be achieved that the discharge effect of different air quantity types, and
Casing and impeller are all made of heat-resisting material and are made, and the heat radiation rack being provided with substantially increases the driving for being mounted on casing side
Motor radiating efficiency, therefore, casing more heat resisting, casing can be used for that high temperature gas flow is exhausted the behaviour of heat exchange
Make.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of multiple duct high temperature resistant centrifugal blower.
Fig. 2 is the structural schematic diagram inside multiple duct high temperature resistant centrifugal blower.
Fig. 3 is the structural schematic diagram of multiple duct high temperature resistant centrifugal blower top view.
Fig. 4 is the structural schematic diagram at left and right sides of the air port multiple duct high temperature resistant centrifugal blower Zhong Ji.
Fig. 5 is the schematic diagram of internal structure of casing left view in multiple duct high temperature resistant centrifugal blower.
In figure: casing 1, centrifugal air duct 10, diffusion air duct 11, side port 12, main mouth 13, block 14, collection air port 15, wind collecting unit
2, impeller 3, blade 30, impeller air inlet area 31, blade air duct 32, impeller chassis 33, driving motor 4, impeller shaft 40, main air outlet
5, side air-out mouth 6, diversion pipe 60, adjusting air valve 7, heat radiation rack 8.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Please refer to Fig. 1~5, in the embodiment of the present invention, a kind of multiple duct high temperature resistant centrifugal blower, including casing 1, centrifugation wind
Road 10, diffusion air duct 11, collection air port 15, wind collecting unit 2,3 driving motor 4 of impeller and adjusting air valve 7, the front panel of the casing 1
Collection air port 15 is offered, the impeller 3 is rotatably arranged on the inside of casing 1 to integrate air port 15 as the center of circle, behind the casing 1
Plate is equipped with the driving motor 4 for driving impeller 3 to rotate, the internal chamber wall of the impeller 3 and casing 1 be formed with for accelerate from
The centrifugal air duct 10 of heart air and diffusion air duct 11 for gas to be discharged, 11 end of diffusion air duct offers main air outlet
5, the side wall in the diffusion air duct 11 offers side air-out mouth 6, and the end in the diffusion air duct 11 offers multiple masters side by side and goes out
The side of air port 5, main air outlet 5 and side air-out mouth 6 is equipped with the adjusting air valve 7 of adjustable air output, and the driving motor 4 is logical
Heat radiation rack 8 is crossed to be mounted on the rear panel of casing 1.
The terminal surface in the diffusion air duct 11 offers main mouth 13, and main 13 outer openings of mouth are equipped with adjusting air valve 7,
The outer openings of the adjusting air valve 7 are equipped with multiple main air outlets 5, and the multiple main air outlets 5 being arranged on the outside of main mouth 13 can be with
External multiple pipe fittings can control to adjust the air output at main mouth 13 by the adjusting air valve 7 of setting.
The side air-out mouth 6 is integrally provided in the intersection of centrifugal air duct 10 and diffusion air duct 11, centrifugal air duct 10 and expansion
It presses and offers side port 12 on the lateral wall of the casing 1 of the intersection in air duct 11,12 outer openings of side port are fixed with diversion pipe
60, side air-out mouth 6 is fixedly mounted by adjusting air valve 7 in the outboard end of diversion pipe 60, and the side air-out mouth 6 of setting can be from diffusion
An air exhaust passage, and the size of the adjustable air output of adjusting air valve 7 by setting are drawn outside the side in air duct 11.
The impeller 3 includes impeller chassis 33 and blade 30, and the rear panel on the impeller chassis 33 is threaded through by rotation
The motor shaft of impeller shaft 40 and driving motor 4 on 1 rear panel of casing is fixedly linked, and hangs down on the front panel on the impeller chassis 33
The blade 30 of straight fixed multiple spirals is reserved with the impeller air inlet area 31 being connected to each other with collection air port 15 at the center of blade 30,
The blade air duct 32 gradually opened in section, blade air duct 32 and 11 phase of centrifugal air duct 10 and diffusion air duct are equipped between phase root piece 30
Logical, the impeller air inlet area 31 of setting is used to accept the air of collection air port 15 entrance, air under the drive of the blade 30 of rotation,
Under the action of centrifugal force by blade air duct 32 enter centrifugal air duct 10 in, and under the influence of centrifugal force by centrifugal air duct 10 most
It is flowed in diffusion air duct 11 eventually.
The casing 1 generally scroll casing shape, the collection air port 15 are provided at the spiral center of spiral case, the centrifugal air duct
10 be coil cross section size gradually open form, and the diffusion air duct 11 is the channel of sectional uniform, and the casing 1 and impeller 3 are all made of
Heat-resisting material is made.
The working principle of the invention is: in use, 4 impeller 3 of driving motor rotates counterclockwise inside casing 1, leaf
The air for entering impeller air inlet area 31 by collection air port 15 is scraped and is got rid of in centrifugal air duct 10 by the blade 30 of wheel 3, in centrifugal air duct 10
Portion's air pressure enhancing, air-flow form negative pressure to flowing at the biggish diffusion air duct 11 in section at this time at impeller air inlet area 31, gas is held
It is continuous to be sucked in collection air port 15 by outside, exhaust passage at two is equipped at diffusion air duct 11, wherein the air quantity being discharged by main mouth 13 is most
Greatly, multiple main air outlets 5 are offered on the outside of main mouth 13 can be with external multiple air hoses, the side air-out mouth wherein opened up on the outside of side port 12
6 can go out air-flow from 11 lateral row of diffusion air duct, and the present invention passes through the main air outlet 5 being arranged on diffusion air duct 11 and side as a result,
Multiple diffusion air ducts, and the adjusting being arranged by main air outlet 5 and 6 side of side air-out mouth is integrally formed in air outlet 6, casing 1
The adjustable main air outlet 5 of air valve 7 and side air-out mouth 6 with respect to draft capacity, it can be achieved that the discharge effect of different air quantity types, and
And casing 1 and impeller 3 are all made of heat-resisting material and are made, the heat radiation rack 8 being provided with, which substantially increases, is mounted on 1 side of casing
4 radiating efficiency of driving motor, therefore, the more heat resisting of casing 1, casing 1 can be used for arranging high temperature gas flow
The operation of gas heat exchange.
Embodiment 2
The present embodiment the difference from embodiment 1 is that:
The outside in the collection air port 15 is equipped with wind collecting unit 2, and 2 outer end face of wind collecting unit is equipped with the protrusion of funnel type.
The angle in the impeller 3 and diffusion air duct 11 is equipped with block 14, and the block 14 is by centrifugal air duct 10 and diffusion
The top connectivity part in air duct 11 is blocked.
The working principle of the invention: the wind collecting unit 2 of setting is mainly used for for air-flow being equably full of collection air port 15 and goes out, and
Resistance damage is minimum when reducing air-flow by collection air port 15, and the block 14 of setting mainly prevents the gas entered in diffusion air duct 11
Stream passes through at block 14 in adverse current meeting centrifugal air duct 10.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of multiple duct high temperature resistant centrifugal blower, including casing (1), centrifugal air duct (10), diffusion air duct (11), collection air port
(15), wind collecting unit (2), impeller (3) driving motor (4) and adjusting air valve (7), which is characterized in that the front panel of the casing (1)
Collection air port (15) is offered, the impeller (3) is rotatably arranged on the inside of casing (1), the machine to integrate air port (15) as the center of circle
The rear panel of shell (1) is equipped with the driving motor (4) for driving impeller (3) to rotate, and the impeller (3) is interior with casing (1)
Cavity wall is formed with the centrifugal air duct (10) for accelerating whizzer and the diffusion air duct (11) for gas to be discharged, the diffusion
Air duct (11) end offers main air outlet (5), and the side wall of the diffusion air duct (11) offers side air-out mouth (6), the expansion
The end of pressure air duct (11) offers multiple main air outlets (5) side by side, and the side of main air outlet (5) and side air-out mouth (6) is all provided with
There is the adjusting air valve (7) of adjustable air output, the driving motor (4) is mounted on the rear panel of casing (1) by heat radiation rack (8)
On.
2. multiple duct high temperature resistant centrifugal blower according to claim 1, which is characterized in that the end of the diffusion air duct (11)
End face offers main mouth (13), and main mouth (13) outer openings are equipped with adjusting air valve (7), outside the adjusting air valve (7)
Side opening is equipped with multiple main air outlets (5).
3. multiple duct high temperature resistant centrifugal blower according to claim 1, which is characterized in that the side air-out mouth (6) is whole
Intersection in centrifugal air duct (10) and diffusion air duct (11) is set, the intersection of centrifugal air duct (10) and diffusion air duct (11)
It is offered on the lateral wall of casing (1) side port (12), side port (12) outer openings are fixed with diversion pipe (60), diversion pipe
(60) side air-out mouth (6) are fixedly mounted by adjusting air valve (7) in outboard end.
4. multiple duct high temperature resistant centrifugal blower according to claim 1, which is characterized in that the impeller (3) includes impeller
Chassis (33) and blade (30), the leaf that the rear panel of the impeller chassis (33) is threaded through on casing (1) rear panel by rotation
Wheel shaft (40) and the motor shaft of driving motor (4) are fixedly linked, vertical fixed more on the front panel of the impeller chassis (33)
The blade (30) of a spiral is reserved with the impeller air inlet area (31) being connected to each other with collection air port (15), phase at the center of blade (30)
The blade air duct (32) gradually opened in section, blade air duct (32) and centrifugal air duct (10) and diffusion air duct are equipped between root piece (30)
(11) it communicates.
5. multiple duct high temperature resistant centrifugal blower according to claim 1, which is characterized in that the outside of collection air port (15)
It is equipped with wind collecting unit (2), wind collecting unit (2) outer end face is equipped with the protrusion of funnel type.
6. -5 any multiple duct high temperature resistant centrifugal blower according to claim 1, which is characterized in that the impeller (3) with
The angle in diffusion air duct (11) is equipped with block (14), and the block (14) is by the top of centrifugal air duct (10) and diffusion air duct (11)
Portion's connectivity part is blocked.
7. -5 any multiple duct high temperature resistant centrifugal blower according to claim 1, which is characterized in that the casing (1) is whole
Body is scroll casing shape, and the collection air port (15) is provided at the spiral center of spiral case, and the centrifugal air duct (10) is coil cross section ruler
Very little gradually open form, the diffusion air duct (11) are the channel of sectional uniform, and the casing (1) and impeller (3) are all made of high temperature resistant material
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910369464.2A CN110081006A (en) | 2019-05-06 | 2019-05-06 | A kind of multiple duct high temperature resistant centrifugal blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910369464.2A CN110081006A (en) | 2019-05-06 | 2019-05-06 | A kind of multiple duct high temperature resistant centrifugal blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110081006A true CN110081006A (en) | 2019-08-02 |
Family
ID=67418578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910369464.2A Pending CN110081006A (en) | 2019-05-06 | 2019-05-06 | A kind of multiple duct high temperature resistant centrifugal blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110081006A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112675647A (en) * | 2019-10-17 | 2021-04-20 | 汤秉辉 | Oil-gas separating device |
| CN113323916A (en) * | 2020-02-28 | 2021-08-31 | 日立环球生活方案株式会社 | Blower and washing machine |
| CN113700833A (en) * | 2021-08-25 | 2021-11-26 | 湖南泛航智能装备有限公司 | Structure and method for balancing pressure of gear box cavity of compressor |
-
2019
- 2019-05-06 CN CN201910369464.2A patent/CN110081006A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112675647A (en) * | 2019-10-17 | 2021-04-20 | 汤秉辉 | Oil-gas separating device |
| CN113323916A (en) * | 2020-02-28 | 2021-08-31 | 日立环球生活方案株式会社 | Blower and washing machine |
| CN113700833A (en) * | 2021-08-25 | 2021-11-26 | 湖南泛航智能装备有限公司 | Structure and method for balancing pressure of gear box cavity of compressor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190802 |
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| WD01 | Invention patent application deemed withdrawn after publication |