CN206290457U - A kind of incinerator special fan - Google Patents
A kind of incinerator special fan Download PDFInfo
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- CN206290457U CN206290457U CN201621211476.0U CN201621211476U CN206290457U CN 206290457 U CN206290457 U CN 206290457U CN 201621211476 U CN201621211476 U CN 201621211476U CN 206290457 U CN206290457 U CN 206290457U
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- impeller
- blade
- shroud
- motor
- transmission group
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Abstract
A kind of incinerator special fan, including casing, impeller, transmission group, integral support and motor, transmission group is arranged on integral support with motor, impeller connects motor by transmission group, impeller is arranged in casing, casing is volute housing, and the impeller is welded by blade, shroud, wheel disc；The blade is fitted near linear shape plank frame for arbitrary curve, and the entrance angle φ of blade is 27.25 ° 29.25 °, and exit angle θ is 81.03 ° 83.03 °, and the shroud is for tapered with short circular arc tangent shroud.The utility model is reasonable in design, and the accumulation of dust is reduced to greatest extent, while impact of the air-flow to blade can be reduced to greatest extent, extends impeller service life.Blower fan shroud is tapered with short circular arc tangent shroud, improves labor productivity, cost-effective.Its good stability, efficiency high, motor is difficult overload, increased the reliability of equipment.
Description
Technical field
The utility model is related to a kind of incinerator special fan.
Background technology
Waste incineration is used as realizing Reducing Municipal Solid Waste, innoxious and recycling treatment effective means in China
Increasingly it is widely applied, particularly in big and medium-sized cities and coastal area, is increasingly difficult to seek due to garbage loading embeading land used
Look for, Landfill difficult treatment；Low for compost available fertilizer component content, the heavy metal that contains in rubbish and having poisons
Learning material etc. can produce influence to the quality of compost, the problems such as the minimizing degree to solid waste is not high, incineration treatment of garbage
Technology application is rapidly developed.At present, the whole nation has had the big-and-middle-sized garbage incinerating power plant of more than 20 seats to put into operation, also
A collection of incineration plant is being built or is being established.It is contemplated that continuing to develop with China's urban economy, burns in China's city rubbish
Ratio in rubbish treatment will be gradually stepped up.350~500t/d consumer waste incineration CFBBs are that current China throws
Enter the maximum circulating fluidized bed incinerator of the individual capacity of actual motion, and we develop waste incineration special fan for this.
Fan blade shape type is divided into arc, linear and airfoil, and general linear fan efficiency is relatively low, but
Many dust contents are big, and dust content environment high typically all selects linear blade, and linear foliar characteristics are to be difficult dust stratification,
But its shortcoming is low fan efficiency simultaneously, traditional dedusting fan efficiency is generally 76% or so, high energy consumption, in order to overcome this
One is difficult, meets blower fan use environment, while can reach energy-saving purpose again, in order to adapt to this demand, we develop
Have developed a kind of incinerator special fan.
Utility model content
The purpose of this utility model is to provide a kind of incinerator special fan, good stability, efficiency high, to greatest extent
The accumulation for reducing dust, extend impeller service life, increase the reliability of equipment, improve production efficiency, reduction is fabricated to
This.
To achieve the above object, the utility model is realized using following technical scheme：
A kind of incinerator special fan, including casing, impeller, transmission group, integral support and motor, transmission group and electricity
Machine is arranged on integral support, and impeller connects motor by transmission group, and impeller is arranged in casing, and casing is volute housing, institute
Impeller is stated to be welded by blade, shroud, wheel disc；The blade is fitted near linear shape plank frame, leaf for arbitrary curve
The entrance angle φ of piece is 27.25 ° -29.25 °, and exit angle θ is 81.03 ° -83.03 °, and the shroud is for tapered with short circular arc
Tangent shroud.
The entrance angle φ of the blade is preferably 27.25 °, and exit angle θ is preferably 81.03 °.
Compared with prior art, the beneficial effects of the utility model are：
1) rationally, impeller blade is designed as arbitrary curve and is fitted near linear shape board-like knot aerodynamic power channel shape
Structure, reduces the accumulation of dust to greatest extent, while impact of the air-flow to blade can be reduced to greatest extent, extends impeller
Service life.
2) blower fan shroud is tapered with short circular arc tangent shroud, is not required to make fetal membrane tool, is that enterprise improves work life
Yield, and saved cost.
3) performance indications of the present utility model are up to following standard：Discharge coefficient0.17-0.18；Pressure coefficient0.4-
0.6；Specific speed ns：30-70；Blower fan highest efficiency eta：88%；Its good stability, efficiency high, motor is difficult overload, increased and sets
Standby reliability.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of incinerator special fan of the utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural representation of impeller.
Fig. 4 is the left view of impeller.
In figure：Before 1- casings, 2- air inlets, 3- impellers, 4- transmission groups, 5- integral supports, 6- shaft couplings, 7- motors, 8-
Disk, 9- wheel discs, 10- blades.
Specific embodiment
Implementation method of the present utility model is further illustrated below in conjunction with the accompanying drawings：
See Fig. 1-Fig. 4, a kind of incinerator special fan, including casing 1, impeller 3, transmission group 4, the and of integral support 5
Motor 7, transmission group 4 is arranged on integral support 5 with motor 7, and impeller 3 connects motor 7 by transmission group 4, and impeller 3 is arranged on machine
In shell 1, casing 1 is volute housing, and the impeller 3 is welded by blade 10, shroud 8, wheel disc 9；The blade 10 is any
Curve matching is near linear shape plank frame, and the entrance angle φ of blade 10 is 27.25 ° -29.25 °, and exit angle θ is
81.03 ° -83.03 °, the shroud 8 is for tapered with short circular arc tangent shroud.
See Fig. 1, impeller 3 is connected with transmission group 4, transmission group 4 is connected by shaft coupling 6 with motor 7.
See Fig. 2, casing 1 is volute housing, and air inlet 2 is provided with the end face of casing 1.
See Fig. 3, blade 10 is welded between shroud 8 and wheel disc 9, the front portion of shroud is the short circular arc that radius is R, and rear portion is
Tapered, Fig. 1 is shown in the tapered tangent connection at anterior short circular arc and rear portion, and the air inlet 2 of blower fan is short with shroud also for tapered
The tangent connection of circular arc.
See Fig. 4, blade 10 is adopted and is made from high grade steel, the board-like knot of near linear shape is fitted to by the circular curve of major diameter
Structure, blade quantity is 16.
Impeller 3 has intensity and wearability higher, long service life through dynamic balance calibration, therefore smooth running.
A kind of incinerator special fan of the utility model is 350~500t/d consumer waste incinerations recirculating fluidized bed pot
Stove special fan.
Embodiment 1：
The entrance angle φ of blade 10 is preferably 27.25 °, and exit angle θ is preferably 81.03 °.
Embodiment 2：
The entrance angle φ of blade 10 is preferably 29.25 °, and exit angle θ is preferably 83.03 °.
Embodiment 3：
The entrance angle φ of blade 10 is preferably 28.25 °, and exit angle θ is preferably 82.03 °.
Claims (2)
1. a kind of incinerator special fan, including casing, impeller, transmission group, integral support and motor, transmission group and motor
On integral support, impeller connects motor by transmission group, and impeller is arranged in casing, and casing is volute housing, described
Impeller is welded by blade, shroud, wheel disc；Characterized in that, the blade is fitted near linear shape plate for arbitrary curve
Formula structure, the entrance angle φ of blade is 27.25 ° -29.25 °, and exit angle θ is 81.03 ° -83.03 °, and the shroud is cone
Type and short circular arc tangent shroud.
2. a kind of incinerator special fan according to claim 1, it is characterised in that the entrance angle of the blade
φ is 27.25 °, and exit angle θ is 81.03 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621211476.0U CN206290457U (en) | 2016-11-10 | 2016-11-10 | A kind of incinerator special fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621211476.0U CN206290457U (en) | 2016-11-10 | 2016-11-10 | A kind of incinerator special fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206290457U true CN206290457U (en) | 2017-06-30 |
Family
ID=59100753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621211476.0U Active CN206290457U (en) | 2016-11-10 | 2016-11-10 | A kind of incinerator special fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206290457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020019293A1 (en) * | 2018-07-27 | 2020-01-30 | 深圳市大疆创新科技有限公司 | Centrifugal fan and electronic device |
-
2016
- 2016-11-10 CN CN201621211476.0U patent/CN206290457U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020019293A1 (en) * | 2018-07-27 | 2020-01-30 | 深圳市大疆创新科技有限公司 | Centrifugal fan and electronic device |
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