CN110439834A - A kind of ternary fluidisation centrifugal blower for annealing furnace - Google Patents
A kind of ternary fluidisation centrifugal blower for annealing furnace Download PDFInfo
- Publication number
- CN110439834A CN110439834A CN201910782878.8A CN201910782878A CN110439834A CN 110439834 A CN110439834 A CN 110439834A CN 201910782878 A CN201910782878 A CN 201910782878A CN 110439834 A CN110439834 A CN 110439834A
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- angle
- ternary
- outlet
- side molded
- tangent line
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- 238000000137 annealing Methods 0.000 title claims abstract description 12
- 238000005243 fluidization Methods 0.000 title abstract description 4
- 238000010586 diagram Methods 0.000 description 12
- 239000011521 glass Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000005341 toughened glass Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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
-
- 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
- F04D29/30—Vanes
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of ternary fluidisation centrifugal blower for annealing furnace, including spiral case, impeller, main shaft and motor, draught fan impeller includes shroud, hub disk and multiple ternary twisted blades, defining the two sides that ternary twisted blade is bonded with front and back disk is respectively front and back sides, front and back sides are arrival end close to one end of draught fan impeller axis, one end far from draught fan impeller axis is outlet end, by the front side molded line inlet angle between the concentric circles tangent line of leading flank arrival end for 22 ~ 27 ° on the spoon of blade tangent line and shroud of leading flank arrival end, by the front side molded line angle of outlet between the concentric circles tangent line of leading flank outlet end for 45 ~ 50 ° on the spoon of blade tangent line and shroud of leading flank outlet end, by the rear side molded line between the concentric circles tangent line of trailing flank arrival end for 25 ~ 32 ° on the spoon of blade tangent line and hub disk of trailing flank arrival end Inlet angle, by being 53 ~ 63 ° of the rear side molded line angle of outlet between the concentric circles tangent line of trailing flank outlet end on the spoon of blade tangent line and hub disk of trailing flank outlet end.
Description
Technical field
The present invention relates to centrifugal blower fields more particularly to a kind of ternary for annealing furnace to fluidize centrifugal blower.
Background technique
In tempered glass processing, generallys use centrifugal blower and carry out air-blast quenching processing, i.e., glass is made by quenching
Glass surface layer forms compression, and inside glass forms tensile stress, to improve strength of glass.When carrying out glass quenching, wind is adjusted
Valve makes fan operation in maximum quantity of wind operating condition, after quenching process, runs blower under minimum air quantity operating condition, this production
Process makes blower work in the load being widely varied, and energy consumption is high, and noise is big.Due to the effect of viscosity, fluid is entering leaf
After taking turns runner, the viscous boundary layer of shroud, hub disk and blade surface is developed with flowing to channel interior, boundary layer and mainstream it
Between interaction form more complicated liquid form.Air-flow passes through collector, is after first restraining by axially switching to radial direction
Diffusion, diffusion aggravates after turning.Therefore there are inhomogeneities for distribution on meridian plane before impeller eye for gas, this is uneven
Property causes flow angle of the air-flow at shroud and hub disk inconsistent, and the angle of attack is excessive or the too small separation that can make blade surface increases
Greatly, it reduces efficiency and influences the quality of glass.Tempered glass production requirement increasingly increases at present, and existing centrifugal blower is in order to reach
To required parameter, impeller height is higher, volume is larger, and it is potential that impeller tearing, explosion etc. are easy to produce in complicated operating condition
Harm, it is difficult to meet requirement.
Summary of the invention
To solve the problems, such as that above-mentioned existing centrifugal blower is difficult to meet requirement in tempered glass processing, the present invention
Provide a kind of ternary fluidisation centrifugal blower for annealing furnace.
The present invention to solve above-mentioned technical problem used by technical solution be: a kind of ternary for annealing furnace fluidize from
Heart blower, the draught fan impeller including spiral case, inside spiral case, the main shaft for being filled for blower impeller set and for driving
The motor of main shaft and draught fan impeller rotation, the draught fan impeller includes shroud, hub disk, wheel hub and multiple ternary twisted blades,
Ternary twisted blade is mounted between shroud and hub disk, and multiple ternary twisted blades are set along the circumferential uniform intervals of draught fan impeller
It sets, defining the side that ternary twisted blade is bonded with shroud is leading flank, after the side that ternary twisted blade is bonded with hub disk is
Side, defining leading flank and trailing flank close to one end of draught fan impeller axis is arrival end, and leading flank and trailing flank are far from wind
One end of machine impeller axis is outlet end, and the spoon of blade tangent line for defining leading flank arrival end enters on shroud by leading flank
Angle between the concentric circles tangent line at mouth end is front side molded line inlet angle, and front side molded line inlet angle is 22 ~ 27 °, defines leading flank
The angle passed through between the concentric circles tangent line of leading flank outlet end on the spoon of blade tangent line and shroud of outlet end is front side molded line
The angle of outlet, the front side molded line angle of outlet are 45 ~ 50 °, define and pass through rear side on the spoon of blade tangent line and hub disk of trailing flank arrival end
Angle between the concentric circles tangent line of face arrival end is rear side molded line inlet angle, and rear side molded line inlet angle is 25 ~ 32 °, after definition
On the spoon of blade tangent line and hub disk at side exit end by the angle between the concentric circles tangent line of trailing flank outlet end be rear side
The molded line angle of outlet, the rear side molded line angle of outlet are 53 ~ 63 °.
Preferably, the front side molded line inlet angle is 25 °, and the front side molded line angle of outlet is 48 °；Rear side molded line inlet angle is
27 °, the rear side molded line angle of outlet is 57 °.
Preferably, the quantity of the ternary twisted blade is n, and 12≤n≤18.
Preferably, the quantity of the ternary twisted blade is 14.
Preferably, collector is installed in the spiral case, the air outlet of collector and the air inlet of draught fan impeller are connected,
Air register is installed on the air inlet of collector.
According to the above technical scheme, the beneficial effects of the present invention are:
Full working scope three-dimensional simulation is carried out to complete blower in the present invention, numerical simulation means are added on the basis of engineer,
Pass through the velocity vector of air-flow in CFD analysis and observation flow field and it is optimized, to obtain optimal, loss reduction ternary mould
Type, with three-dimensional flow design method optimization blade into and out of elements such as bickers, structure is suitable for the true fluidised form of fluid, makes
Air-flow in impeller and at impeller outlet is more uniform, so that flowing the air-flow inside spiral case is also improved, helps to subtract
Aerodynamic noise inside small spiral case reduces the loss of idle work, improves aerodynamic parameter and overall efficiency；Ternary of the invention distorts leaf
Piece can make air-flow more be bonded blade surface flowing, effectively reduce the flow separation of solid-surface, reduce flow losses, changed according to flow field
Into each section angle of blade, the optimal flow state inside complete machine is obtained, inhibits the separation in boundary layer, leads between reduction adjacent blades
The presence in road whirlpool makes smaller, the static pressure of more uniform, the exit Ye Dao entropy increment into the air velocity direction of spiral case and size
Increasing and stablizes, the flowing of spiral case internal gas flow uniformly, compared with existing common centrifugal blower, can make improved efficiency 3 ~ 5%, and
Make machine size that can integrally reduce 3 ~ 5%, noise figure reduces by 3 ~ 5dB, and weight and size have to be reduced compared to common blower,
And reduce energy consumption.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention；
Fig. 2 is the schematic diagram of draught fan impeller；
Fig. 3 is the schematic diagram that is observed from shroud towards hub disk direction after removing shroud；
Fig. 4 is the partial enlargement diagram of Fig. 3；
Fig. 5 is the schematic diagram of front side molded line inlet angle；
Fig. 6 is the partial enlargement diagram of Fig. 5；
Fig. 7 is the schematic diagram of the front side molded line angle of outlet；
Fig. 8 is the partial enlargement diagram of Fig. 7；
Fig. 9 is the schematic diagram of rear side molded line inlet angle；
Figure 10 is the partial enlargement diagram of Fig. 9；
Figure 11 is the schematic diagram of the rear side molded line angle of outlet；
Figure 12 is the partial enlargement diagram of Figure 11.
Marked in the figure: 1, collector, 2, draught fan impeller, 3, spiral case, 4, main shaft, 5, motor, 6, air register, 7, shroud, 8,
Hub disk, 9, wheel hub, 10, ternary twisted blade, 11, spoon of blade tangent line, 12, concentric circles tangent line.
Specific embodiment
Referring to attached drawing, specific embodiment is as follows:
A kind of ternary for annealing furnace fluidizes centrifugal blower, and draught fan impeller 2 including spiral case 3, inside spiral case 3 is used for
The main shaft 4 being set with for draught fan impeller 2 and the motor 5 for driving main shaft 4 and draught fan impeller 2 to rotate also are installed in spiral case 3
There is collector 1, the air inlet of the air outlet and draught fan impeller 2 of collector 1 is connected, and tune is equipped on the air inlet of collector 1
Air door 6.Draught fan impeller 2 includes that shroud 7, hub disk 8, wheel hub 9 and multiple ternary twisted blades 10, ternary twisted blade 10 are mounted on
Between shroud 7 and hub disk 8, multiple ternary twisted blades 10 are arranged along the circumferential uniform intervals of draught fan impeller 2, ternary twisted blade
10 quantity is n, and 12≤n≤18.
Defining the side that ternary twisted blade 10 is bonded with shroud 7 is leading flank, and ternary twisted blade 10 is bonded with hub disk 8
Side be trailing flank, defining leading flank and trailing flank close to one end of 2 axis of draught fan impeller is arrival end, leading flank and after
The one end of side far from 2 axis of draught fan impeller is outlet end, defines the spoon of blade tangent line 11 and shroud 7 of leading flank arrival end
On by the angle between the concentric circles tangent line 12 of leading flank arrival end be front side molded line inlet angle, front side molded line inlet angle be 22
~ 27 °, define the concentric circles tangent line 12 for passing through leading flank outlet end on the spoon of blade tangent line 11 and shroud 7 of leading flank outlet end
Between angle be front side the molded line angle of outlet, the front side molded line angle of outlet be 45 ~ 50 °, define trailing flank arrival end spoon of blade
On tangent line 11 and hub disk 8 by the angle between the concentric circles tangent line 12 of trailing flank arrival end be rear side molded line inlet angle, rear side
Molded line inlet angle is 25 ~ 32 °, is defined on the spoon of blade tangent line 11 and hub disk 8 of trailing flank outlet end by trailing flank outlet end
Concentric circles tangent line 12 between angle be rear side the molded line angle of outlet, the rear side molded line angle of outlet be 53 ~ 63 °.
The ternary twisted blade shape used in the present embodiment, to be sweared by the speed of air-flow in CFD analysis and observation flow field
It measures and it is optimized, to obtain optimal, loss reduction ternary model, with resulting after the optimization of three-dimensional flow design method
Blade shape keeps the air-flow in impeller and at impeller outlet more uniform, is also changed so that the air-flow inside spiral case be made to flow
It is kind, improved efficiency 3 ~ 5% can be made, and make machine size that can integrally reduce 3 ~ 5%, noise figure reduces by 3 ~ 5dB, weight and size
Have and reduced compared to common blower, and reduce energy consumption, wherein in order to be optimal effect, by ternary twisted blade 10
Quantity is set as 14, and determines that front side molded line inlet angle is 25 °, and the front side molded line angle of outlet is 48 °；Rear side molded line inlet angle is
27 °, the rear side molded line angle of outlet is 57 °, can obtain the optimal flow state inside complete machine.
Claims (5)
1. a kind of ternary for annealing furnace fluidizes centrifugal blower, including spiral case (3), it is located at spiral case (3) internal draught fan impeller
(2), the main shaft (4) for being set with for draught fan impeller (2) and the motor for driving main shaft (4) and draught fan impeller (2) to rotate
(5), the draught fan impeller (2) includes shroud (7), hub disk (8), wheel hub (9) and multiple ternary twisted blades (10), and ternary is turned round
Bent blade (10) is mounted between shroud (7) and hub disk (8), circumferential direction of multiple ternary twisted blades (10) along draught fan impeller (2)
Uniform intervals setting, it is characterised in that: defining the side that ternary twisted blade (10) are bonded with shroud (7) is leading flank, ternary
The side that twisted blade (10) is bonded with hub disk (8) is trailing flank, defines leading flank and trailing flank close to draught fan impeller (2) axis
One end be the one end of arrival end, leading flank and trailing flank far from draught fan impeller (2) axis be outlet end, define leading flank
By the angle between the concentric circles tangent line (12) of leading flank arrival end on the spoon of blade tangent line (11) and shroud (7) of arrival end
For front side molded line inlet angle, front side molded line inlet angle is 22 ~ 27 °, define the spoon of blade tangent line (11) of leading flank outlet end with
The angle passed through between the concentric circles tangent line (12) of leading flank outlet end on shroud (7) is the front side molded line angle of outlet, front side molded line
The angle of outlet is 45 ~ 50 °, is defined on the spoon of blade tangent line (11) and hub disk (8) of trailing flank arrival end by trailing flank arrival end
Concentric circles tangent line (12) between angle be rear side molded line inlet angle, rear side molded line inlet angle be 25 ~ 32 °, define trailing flank
By the angle between the concentric circles tangent line (12) of trailing flank outlet end on the spoon of blade tangent line (11) and hub disk (8) of outlet end
For the rear side molded line angle of outlet, the rear side molded line angle of outlet is 53 ~ 63 °.
2. a kind of ternary for annealing furnace according to claim 1 fluidizes centrifugal blower, it is characterised in that: the front side
Molded line inlet angle is 25 °, and the front side molded line angle of outlet is 48 °；Rear side molded line inlet angle is 27 °, and the rear side molded line angle of outlet is 57 °.
3. a kind of ternary for annealing furnace according to claim 1 fluidizes centrifugal blower, it is characterised in that: the ternary
The quantity of twisted blade (10) is n, and 12≤n≤18.
4. a kind of ternary for annealing furnace according to claim 3 fluidizes centrifugal blower, it is characterised in that: the ternary
The quantity of twisted blade (10) is 14.
5. a kind of ternary for annealing furnace according to claim 1 fluidizes centrifugal blower, it is characterised in that: the spiral case
(3) it is equipped with collector (1) in, the air inlet of the air outlet and draught fan impeller (2) of collector (1) is connected, collector (1)
Air register (6) are installed on air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910782878.8A CN110439834B (en) | 2019-08-23 | 2019-08-23 | Ternary fluidization centrifugal fan for toughening furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910782878.8A CN110439834B (en) | 2019-08-23 | 2019-08-23 | Ternary fluidization centrifugal fan for toughening furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110439834A true CN110439834A (en) | 2019-11-12 |
| CN110439834B CN110439834B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910782878.8A Active CN110439834B (en) | 2019-08-23 | 2019-08-23 | Ternary fluidization centrifugal fan for toughening furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118188575A (en) * | 2024-05-16 | 2024-06-14 | 广东宏伙控股集团有限公司 | Centrifugal wind wheel and centrifugal fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2126878Y (en) * | 1992-02-13 | 1993-02-10 | 湘潭华盛空调环保工程有限公司 | Middle, high voltage three-way blade centrifugal energy-saving fan |
| CN102536857A (en) * | 2010-12-13 | 2012-07-04 | 洛阳北玻台信风机技术有限责任公司 | Cooling fan for traction converter of high-speed electric locomotive |
| CN102803740A (en) * | 2010-02-05 | 2012-11-28 | 卡梅伦国际有限公司 | Centrifugal compressor diffuser vanelet |
| CN106402001A (en) * | 2016-10-17 | 2017-02-15 | 宁波方太厨具有限公司 | Fan power system |
| CN107642491A (en) * | 2017-11-02 | 2018-01-30 | 洛阳北玻台信风机技术有限责任公司 | Motor-car, the cooling of high ferro tractive transformer fluidize centrifugal blower with ternary |
| KR20180133954A (en) * | 2017-05-17 | 2018-12-18 | (주)에이피 | High efficiency and low noise type impeller and fancoil unite having the same |
| CN109595198A (en) * | 2018-12-07 | 2019-04-09 | 佛山市南海九洲普惠风机有限公司 | A kind of draught fan impeller |
| CN210509660U (en) * | 2019-08-23 | 2020-05-12 | 洛阳北玻台信风机技术有限责任公司 | Ternary fluidization centrifugal fan for toughening furnace |
-
2019
- 2019-08-23 CN CN201910782878.8A patent/CN110439834B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2126878Y (en) * | 1992-02-13 | 1993-02-10 | 湘潭华盛空调环保工程有限公司 | Middle, high voltage three-way blade centrifugal energy-saving fan |
| CN102803740A (en) * | 2010-02-05 | 2012-11-28 | 卡梅伦国际有限公司 | Centrifugal compressor diffuser vanelet |
| CN102536857A (en) * | 2010-12-13 | 2012-07-04 | 洛阳北玻台信风机技术有限责任公司 | Cooling fan for traction converter of high-speed electric locomotive |
| CN106402001A (en) * | 2016-10-17 | 2017-02-15 | 宁波方太厨具有限公司 | Fan power system |
| KR20180133954A (en) * | 2017-05-17 | 2018-12-18 | (주)에이피 | High efficiency and low noise type impeller and fancoil unite having the same |
| CN107642491A (en) * | 2017-11-02 | 2018-01-30 | 洛阳北玻台信风机技术有限责任公司 | Motor-car, the cooling of high ferro tractive transformer fluidize centrifugal blower with ternary |
| CN109595198A (en) * | 2018-12-07 | 2019-04-09 | 佛山市南海九洲普惠风机有限公司 | A kind of draught fan impeller |
| CN210509660U (en) * | 2019-08-23 | 2020-05-12 | 洛阳北玻台信风机技术有限责任公司 | Ternary fluidization centrifugal fan for toughening furnace |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118188575A (en) * | 2024-05-16 | 2024-06-14 | 广东宏伙控股集团有限公司 | Centrifugal wind wheel and centrifugal fan |
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| CN110439834B (en) | 2024-02-02 |
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