CN203476740U - Double-air-inflow high-speed centrifugal blower - Google Patents
Double-air-inflow high-speed centrifugal blower Download PDFInfo
- Publication number
- CN203476740U CN203476740U CN201320310713.9U CN201320310713U CN203476740U CN 203476740 U CN203476740 U CN 203476740U CN 201320310713 U CN201320310713 U CN 201320310713U CN 203476740 U CN203476740 U CN 203476740U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- dimensional flow
- impeller
- air
- speed centrifugal
- Prior art date
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- 238000000926 separation method Methods 0.000 claims 1
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- 230000037250 Clearance Effects 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
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Abstract
The utility model provides a double-air-inflow high-speed centrifugal blower, consisting of a motor, a coupler, a gearbox, a seal ring, a three-dimensional flow impeller, an air inlet, current collectors, flow guide rings, an air outlet, and an enclosure. The enclosure is of a structure divided along a horizontal plane in which the axis of a main shaft lies into an upper portion and a lower portion, the three-dimensional flow impeller is a double-air-inflow three-dimensional flow impeller, the air inlet is a double-side air inlet, and two current collectors and two flow guide rings are arranged; and the fit clearance of the current collectors and the impeller is between 0.5 to 3mm, preferably 0.8 to 1.2mm. The three-dimensional flow impeller can be integrally machined and formed by wrought aluminium or stainless steel material, and splitter vanes having similar streamline shapes can be additionally arranged between three-dimensional flow vanes. The blower in the utility model allows two-way air inflow, the air inflow is large, the overall strength of the vanes is high, the compression efficiency is high, the axial force of the main shaft is small, and the air output is large, which can reach above 4000m3/min.
Description
Technical field
The utility model relates to a kind of centrifugal blower, refers in particular to the high-speed centrifugal blower with bilateral suction port and two air inlet three-dimensional flow impellers.
Background technique
Centrifugal blower is widely used in sewage treatment, metallurgy, electric power, petrochemical field, and existing high pressure ratio monopole centrifugal blower air quantity is at 50-1000m
3between/min, just must two or many in parallel uses for the application of larger flow, manufacture, mounting, commissioning and maintenance cost is all higher.
?the impeller using in centrifugal blower, is comprised of wheel cap, mid-game (or wheel disc) and some blades, while generally manufacturing conventionally, wheel cap, mid-game and the blanking of blade independence, blade and mid-game, wheel cap adopt and are welded to connect form, and this has just reduced blade strength, affects the working life of impeller.
A kind of twin vane-wheel rotor that the patent that number of patent application is CN201020139604.1 provides, includes two impellers, Balance disc, axle sleeve, two locked spacers, two round nuts in rotor; The blade of impeller is two sections of circular arc profiles, and blade outlet angle is 55-65 °.This model utility adopts two or above impeller, and blower fan volume is larger, and weight is larger.
Number of patent application is that the patent of CN200610094711.5 discloses a kind of vane apparatus, and the bilateral symmetry that it has at stream guiding barrel is provided with each other the inwardly fixed blade of corresponding same plane of inclination; The some dead axles of radially direct on the axis between two fixed blades, make its one end that one water conservancy diversion inner core is installed, and on this dead axle, by axle sleeve, connect energy double-swing moving vane; At described moving vane, to having on water conservancy diversion inner core, be provided with snubber.There is the angle of automatic change moving vane and fixed blade simple in structure, solved the lower problem of output power that existing two air-flow one-way rotation turbine flowed energy is utilized.This model utility adopts moving vane to realize bilateral switching, controls cumbersomely, and air-flow is stable not.
The patent of CN200510063433.2 discloses a kind of bidirectional blower for cooling computer and electronics, comprises an air compartment, an impeller, a motor and a top cover.Its notable feature is: described air compartment is provided with hot air inlet, hot air outlet, cool air inlet and cold-air vent, and between hot air inlet and cold-air vent, and on the sidewall between hot air outlet and cool air inlet, extend respectively two spacing wall towards wheel hub direction, spacing wall outer end is near the outer end of impeller, its width is greater than distance between adjacent two blade outer ends, thereby described air compartment is divided into cold air channel and hot-air channel by two spacing wall and the blade between between two spacing wall, cool air and hot air can flow and mixed mutually in passage separately.This model utility Bidirectional outlet air, can not realize two-way air intake.
CN201110243187.4 bidirectional air inlet centrifugal fan, comprise impeller, this impeller is comprised of front end-plate, end plates, end plate and a plurality of blade strip, front end-plate, end plates, end plate be arranged in parallel successively from front to back, in the periphery of front end-plate, end plates, end plate around circumferential uniform described a plurality of blade strips; It is characterized in that: in described end plates, corresponding each blade strip is established draw-in groove, the outer end closure of this draw-in groove, and corresponding its interior distolateral arrived tableting of establishing, this arrived tableting is the bending sheet being become by end plates upper punch swaging, its inner is connected with end plates one; Each blade strip is placed through in draw-in groove, and after arrived tableting flattens, protruding the pressing on blade strip in outer end of arrived tableting fixes blade strip.Though this model utility can realize two-way air intake, but blade wheel structure is more complicated, component are too much, and rate of fault is higher.
Summary of the invention
Model utility object: provide a kind of by the air inlet of impeller two ends, axial force is little, compressor flow is large two air inlet high-speed centrifugal blowers.
Technological scheme: a kind of pair of air inlet high-speed centrifugal blower that the utility model provides, consists of motor, coupling, gear-box, seal ring, three-dimensional flow impeller, suction port, slip ring, guide ring, air outlet, casing etc.Casing is the structure of subdivision up and down along main-shaft axis place horizontal plane.
Described three-dimensional flow impeller is two air inlet three-dimensional flow impellers, and two air inlet three-dimensional flow impellers consist of wheel disc and the three-dimensional flow blade that is distributed in the both sides of wheel disc, and the three-dimensional flow blade of bilateral be take rotating disk as the symmetrical connection arrangement of symmetry plane.
Suction port is bilateral suction port, and bilateral suction port has a loudspeaker nozzle, a dividing plate and two air inlet nasal cavities, and dividing plate is separated two air inlet nasal region, and slip ring and guide ring all have two covers.
Loudspeaker nozzle, air inlet nasal cavity, slip ring form streamline runner.
During work, during the work of the utility model high-speed centrifugal blower, by making main shaft High Rotation Speed after motor driven gear case speedup, main shaft impeller High Rotation Speed, air-flow is entered by loudspeaker nozzle, by baffle for separating, is two charge air flow, enters respectively two air inlet nasal cavities, then two slip rings of flowing through respectively, from impeller shaft to two ends, flow to two air inlet three-dimensional flow impellers, after impeller acting, pressure and speed are improved, diversed ring guiding, by air outlet, flowed out, meet consumers' demand.
The shape of slip ring is coincide with the outer shape of two air inlet three-dimensional flow impellers, slip ring and impeller matching gap between 0.5-3mm, preferred 0.8 ~ 1.2mm.
Between three-dimensional flow blade, can separately have the similar splitterr vanes of streamline shape, alternately, place, air outlet air-flow should not block, and flows out unobstructed.
The machining center integral body that this three-dimensional flow impeller is preferably through five-axle linkage processes, though processing cost is high, impeller intensity is very high, due to traditional assembling or welding impeller.
Diameter 300 ~ the 2000mm of the power of motor 90 ~ 2500kW of of the present utility model pair of air inlet high-speed centrifugal blower, the loudspeaker nozzle biggest place of suction port, the wheel diameter of impeller are that the maximum diameter of 200 ~ 800mm, air outlet is 300 ~ 1800mm, more than wheel speed can reach 6000r/min.
Beneficial effect:
The utility model provides a kind of novel pair of air inlet monopole centrifugal blower, and from impeller shaft to two ends air inlet, compressor flow is large, and air quantity can reach 4000m
3more than/min.Blower fan is from the air inlet of impeller two ends, and wind pressure is cancelled out each other, and the axial force of impeller and axle, gear-box, coupling is very little; The sealing of axle and gear-box is more reliable.Casing is upper and lower split type, and the installation of blower fan and maintenance are all very convenient.
The blade of the utility model impeller adopts three-dimensional flow molded line, and compression and air blast efficiency are high, and impeller intensity is good.
In of the present utility model pair of air inlet three-dimensional flow impeller, splitterr vanes can be set, place, air outlet air-flow should not be blocked, can be used for manufacturing air inflow large, the fireballing centrifugal blower of giving vent to anger.
Accompanying drawing explanation
Fig. 1 is the utility model a kind of assembling schematic diagram in use;
Fig. 2 is a kind of structural representation of the present utility model;
Fig. 3 is a perspective view of the three-dimensional flow impeller that uses in the utility model;
In figure, 1, motor; 2, coupling I; 3, gear-box; 4, coupling II; 5, blower fan body; 6, upper casing; 7, bearing housing; 8, lower housing; 9, sealing gland; 10, slip ring; 11, three-dimensional flow impeller; 12, guide ring; 13, main shaft; 14, wheel disc; 15, three-dimensional flow blade; 16, splitterr vanes; 17, axis hole; 18, suction port; 19, loudspeaker nozzle; 20, dividing plate; 21, air inlet nasal cavity; 22, air outlet.
Embodiment
as shown in Figure 2two air inlet high-speed centrifugal blowers, motor 1, coupling 2 and 4, gear-box 3, three-dimensional flow impeller 11, suction port 18, slip ring 10, guide ring 12, air outlet 22, casing 6 and 8, consist of, casing 6 and 8 is the structure of subdivision up and down along main shaft 13 axis place horizontal planes.
Described suction port 18 is bilateral suction port, and bilateral suction port has a loudspeaker nozzle 19, dividing plate 20 and two air inlet nasal cavities 21.
Described three-dimensional flow impeller 11 is two air inlet three-dimensional flow impellers as shown in Figure 3; Between three-dimensional flow blade 15, separately there are the similar splitterr vanes of streamline shape 16, alternately.The machining center integral body that this three-dimensional flow impeller 11 is process five-axle linkage processes, and impeller intensity is good.
Slip ring 10 and guide ring 12 all have two covers; Loudspeaker nozzle 19, two air inlet nasal cavities 21, two guide rings 12 form respectively streamline runner;
The shape of slip ring 10 is coincide with the outer shape of two air inlet three-dimensional flow impellers 11, and slip ring 10 and impeller matching gap are in 1mm left and right;
When the utility model is installed and used, as shown in Figure 1, motor 1 power is at 2000m at 1000kW, air output
3between/min, the diameter of loudspeaker nozzle 19 biggest places of suction port 18 is that the wheel diameter of 1200mm, impeller is that the maximum diameter of 500mm, air outlet 22 is 900mm, and this machine compression and air blast efficiency are high.
Claims (5)
1. two air inlet high-speed centrifugal blowers, by motor (1), coupling (2; 4), gear-box (3), seal ring, three-dimensional flow impeller (11), suction port (18), slip ring (10), guide ring (12), air outlet (22), casing (6; 8) form casing (6; 8) be along the structure of subdivision up and down of main shaft (13) axis place horizontal plane, it is characterized in that:
Described suction port (18) is bilateral suction port, and bilateral suction port (18) has a loudspeaker nozzle (19), a dividing plate (20) and two air inlet nasal cavities (21), and dividing plate (20) comes two air inlet nasal cavities (21) region separation;
Described three-dimensional flow impeller (11) is two air inlet three-dimensional flow impellers, two air inlet three-dimensional flow impellers (11), wheel disc and the three-dimensional flow blade (15) that is distributed in the both sides of wheel disc, consist of, the three-dimensional flow blade (15) of bilateral be take rotating disk as the symmetrical connection arrangement of symmetry plane;
Slip ring (10) and guide ring (12) all have two covers;
Loudspeaker nozzle (19), air inlet nasal cavity (21), guide ring (12) form streamline runner;
The shape of slip ring (10) is coincide with the outer shape of two air inlet three-dimensional flow impellers (11), and slip ring (10) and impeller matching gap are between 0.5-3mm.
2. as claimed in claim 1 pair of air inlet high-speed centrifugal blower, is characterized in that: between three-dimensional flow blade (15), separately have the similar splitterr vanes of streamline shape (16), alternately.
3. as claimed in claim 1 pair of air inlet high-speed centrifugal blower, is characterized in that: slip ring (1) and impeller matching gap are at 0.8 ~ 1.2mm.
4. as claimed in claim 1 or 2 pair of air inlet high-speed centrifugal blower, is characterized in that: this three-dimensional flow impeller (11) processes for integral body.
5. two air inlet high-speed centrifugal blowers as described in claim 1,2 or 3, is characterized in that: the diameter of loudspeaker nozzle (19) biggest place of suction port (18) is that the wheel diameter of 300 ~ 2000mm, impeller is that the maximum diameter of 200 ~ 800mm, air outlet (22) is 300 ~ 1800mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320310713.9U CN203476740U (en) | 2013-06-02 | 2013-06-02 | Double-air-inflow high-speed centrifugal blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320310713.9U CN203476740U (en) | 2013-06-02 | 2013-06-02 | Double-air-inflow high-speed centrifugal blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203476740U true CN203476740U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320310713.9U CN203476740U (en) | 2013-06-02 | 2013-06-02 | Double-air-inflow high-speed centrifugal blower |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019040A (en) * | 2014-06-26 | 2014-09-03 | 江苏金通灵流体机械科技股份有限公司 | Double-suction high-pressure ratio steam compressor |
| CN104791263A (en) * | 2015-04-27 | 2015-07-22 | 江苏金通灵流体机械科技股份有限公司 | Single-stage double-suction high-speed centrifugal blower |
| WO2018192033A1 (en) * | 2017-04-22 | 2018-10-25 | 李金权 | Guiding device for air conditioner water pump |
| CN110132562A (en) * | 2019-05-16 | 2019-08-16 | 清华大学 | A kind of impeller air inlet amount detecting device |
-
2013
- 2013-06-02 CN CN201320310713.9U patent/CN203476740U/en active IP Right Grant
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019040A (en) * | 2014-06-26 | 2014-09-03 | 江苏金通灵流体机械科技股份有限公司 | Double-suction high-pressure ratio steam compressor |
| CN104791263A (en) * | 2015-04-27 | 2015-07-22 | 江苏金通灵流体机械科技股份有限公司 | Single-stage double-suction high-speed centrifugal blower |
| WO2018192033A1 (en) * | 2017-04-22 | 2018-10-25 | 李金权 | Guiding device for air conditioner water pump |
| CN110132562A (en) * | 2019-05-16 | 2019-08-16 | 清华大学 | A kind of impeller air inlet amount detecting device |
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| GR01 | Patent grant | ||
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Address after: 226000, No. 666, Zhong Xiu Dong Lu, Jiangsu, Nantong Patentee after: Jintongling Technology Group Co., Ltd. Address before: 226000, No. 666, Zhong Xiu Dong Lu, Jiangsu, Nantong Patentee before: Jiangsu Jintongling Fluid Machinery Technology Co., Ltd. |