CN204140460U - Novel high-efficiency and energy-saving insert-type centrifugal fan - Google Patents
Novel high-efficiency and energy-saving insert-type centrifugal fan Download PDFInfo
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- CN204140460U CN204140460U CN201420447265.1U CN201420447265U CN204140460U CN 204140460 U CN204140460 U CN 204140460U CN 201420447265 U CN201420447265 U CN 201420447265U CN 204140460 U CN204140460 U CN 204140460U
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Abstract
The utility model relates to blower fan technical field, be specifically related to novel high-efficiency and energy-saving insert-type centrifugal fan, comprise and being all wrapped in stove by major components such as casing, intake grill, impeller sets, and bearing support, motor, belt and belt pulley are all outside at stove, reasonable in design, easy to maintenance; Secondly being adopted by square heat insulation box is bolted on rear wall plate " well " the font channel-section steel of described casing, thus overall energy-efficient insert-type centrifugal fan can be made to adopt cantilever type to be fixed on beaer, there is efficient, high pressure, low noise, low energy consumption, overall efficiency high; Finally housing and bearing support and motor are separated, directly blower fan blower part is inserted in body of heater during use, operates steadily, compact dimensions, easy to maintenance.The occasions such as this insert-type centrifugal fan aims at baking oven, kiln furnace use and manufacture and design, and also can be widely used in the circulation conveying occasion of high-temperature gas simultaneously.
Description
Technical field
The utility model relates to blower fan technical field, is specifically related to novel high-efficiency and energy-saving insert-type centrifugal fan.
Background technique
In recent years, along with the economic development of China, also more and more higher to the requirement of environmental protection, particularly all to use insert-type centrifugal fan in the process of spraying industry and oven dry industry.Existing insert-type centrifugal fan exist structure comparatively simple, design irrational factor, make the working life of blower fan shorter, ubiquity power consumption is large, and overall efficiency is low, and easily breaks down, and maintenance rate is higher.Develop a kind of efficient, high pressure, low noise for this reason, low energy consumption, insert-type centrifugal fan that overall efficiency is high are imperative.
Summary of the invention
The purpose of this utility model is to provide a kind of efficient, high pressure, low noise, low energy consumption, overall efficiency are high, stable and reliable operation, compact dimensions, novel high-efficiency and energy-saving insert-type centrifugal fan easy to maintenance.
In order to solve the problem existing for background technique, the utility model is by the following technical solutions: novel high-efficiency and energy-saving insert-type centrifugal fan, comprise casing, intake grill, impeller sets, support group, transmission shaft, bearing support, transmission shaft belt pulley, motor and motor pulley, described intake grill is arranged on the housing, the inside of described casing is provided with described impeller sets, the sidepiece of described casing is provided with exhaust diffuser, described transmission shaft is fixedly mounted on described bearing support by bearing, and described bearing support is fixedly mounted in described support group.
One end of described transmission shaft is provided with described transmission shaft belt pulley, described motor is bolted to the below of described support group by adjustment, described motor main shaft is provided with described motor pulley, and described motor pulley is connected with described transmission shaft belt pulley by V-shape belt.
The other end of described transmission shaft is connected with the impeller sets in described casing through square heat insulation box, described support bond pads is on described square heat insulation box, thermal-protective material is provided with in described square heat insulation box, described square heat insulation box adopts and is bolted on rear wall plate " well " the font channel-section steel of described casing, described square heat insulation box is provided with groove with the joint of transmission shaft, be provided with radiating wheel in described groove, described radiating wheel is arranged between described square heat insulation box and bearing support.
Further, described thermal-protective material is heat insulation foam.
Further, described transmission shaft belt pulley is Combination leather belt wheel.
Further, described motor is adjustable frequency motor.
Further, the blade of described impeller sets is linear leaf and short blade spaced set.
Further, described transmission shaft belt pulley and motor pulley are provided with protective cover for belt pulley.
The utility model has following beneficial effect: novel high-efficiency and energy-saving insert-type centrifugal fan described in the utility model, comprise and being all wrapped in stove by major components such as casing, intake grill, impeller sets, and bearing support, motor, belt and belt pulley are all outside at stove, reasonable in design, easy to maintenance; Secondly being adopted by square heat insulation box is bolted on rear wall plate " well " the font channel-section steel of described casing, thus overall energy-efficient insert-type centrifugal fan can be made to adopt cantilever type to be fixed on beaer, there is efficient, high pressure, low noise, low energy consumption, overall efficiency high; Finally housing and bearing support and motor are separated, directly blower fan blower part is inserted in body of heater during use, operates steadily, compact dimensions, easy to maintenance.The occasions such as this insert-type centrifugal fan aims at baking oven, kiln furnace use and manufacture and design, and also can be widely used in the circulation conveying occasion of high-temperature gas simultaneously.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is another viewing angle constructions schematic diagram of the present utility model.
Embodiment:
With reference to Fig. 1, Fig. 2, this embodiment is by the following technical solutions: novel high-efficiency and energy-saving insert-type centrifugal fan, comprise casing 2, intake grill 1, impeller sets 3, support group 7, transmission shaft 9, bearing support 10, transmission shaft belt pulley 12, motor 16 and motor pulley 15, described intake grill 1 is arranged on described casing 2, the inside of described casing 2 is provided with described impeller sets 3, the sidepiece of described casing 2 is provided with exhaust diffuser 17, the object of such design is reduction of the noise of exhaust outlet air-flow, the low 5-9dB of the general blower fan of its noise ratio, described transmission shaft 9 is fixedly mounted on described bearing support 10 by bearing 11, described bearing support 10 is fixedly mounted in described support group 7,
One end of described transmission shaft 9 is provided with described transmission shaft belt pulley 12, described motor 16 is fixed on the below of described support group 7 by adjustment bolt 14, described motor 16 main shaft is provided with described motor pulley 15, and described motor pulley 15 is connected with described transmission shaft belt pulley 12 by V-shape belt 4;
The other end of described transmission shaft 9 is connected with the impeller sets 3 in described casing 2 through square heat insulation box 5, described support group 7 is welded on described square heat insulation box 5, thermal-protective material 6 is provided with in described square heat insulation box 6, wherein, described thermal-protective material 6 is heat insulation foam, can effectively prevent the high-temperature gas at casing position from outwards transmitting like this, described square heat insulation box 5 adopts bolt 18 to be fixed on rear wall plate " well " the font channel-section steel 19 of described casing 2, the object of such design is when maintain and replace impeller, without the need to unloading impeller to baking oven or kiln furnace portion, as long as after the bolt 18 on " well " font channel-section steel 19 is all unclamped, directly by impeller, transmission group and motor all unclamp, time saving and energy saving, maintenance cost is low, and applied at elevated temperature back cabinet 2 can be prevented to be out of shape.Described square heat insulation box 5 is provided with groove 5-1 with the joint of transmission shaft 9, in described groove 5-1, radiating wheel 8 is installed, described radiating wheel 8 is arranged between described square heat insulation box 5 and bearing support 10, radiating wheel 8 is placed in groove 5-1, have like this take up room little, improve the features such as radiating effect, ensure that fan operation is stablized.In the present embodiment, whole energy-efficient insert-type centrifugal fan can be made to adopt the form of cantilever to be fixed on beaer by said structure.
Described transmission shaft belt pulley 12 is Combination leather belt wheel, so namely has the function of transmission, turn increases inertia during motion simultaneously, thus add efficiency, reduce energy consumption.
Described motor 16 is adjustable frequency motor, achieves the change automatically adapting to load behavior so on the one hand, regulates blast and air quantity on the other hand, saved electric energy by the speed-regulating function of variable-frequency motor.
The blade of described impeller sets 3 is linear leaf and short blade spaced set, wherein, this impeller sets 3 has blade to be arc thin plate type blade, the air-flow when radian of the circle of vane nose makes air-flow enter blade is shunted along blade back and top, thus end can not produce turbulent flow in front of the blade, reduce energy loss and eliminate because air-flow bumps against the noise producing turbulent flow simultaneously, entirety achieves high efficiency, low noise, the internal efficiency of blower fan is up to 88%.In addition, in the present embodiment, it is 13 linear leafs and 13 short blades that the lobe numbers of this impeller sets 3 is respectively, amount to 26, deviated splitter vane is equally spaced to be welded on curved shroud and plate hub disk, the design proposal of deviated splitter vane is by the classical CFD cfdrc of Belgium, utilize two two dimensional surfaces to intersect the three-dimensional of superposition calculations simulation fluids between impeller and turn that Flow Field Calculation design optimization goes out, after the utility model adopts each 13 blades of length, such design effectively improves the mechanical efficiency in blower fan, peak efficiency improves 6.2%, and increase by 6.615% in the total head of best efficiency point, flow increases by 2.828%.
Described transmission shaft belt pulley 12 and motor pulley 15 are provided with protective cover for belt pulley 13, transmission shaft belt pulley 12 and motor pulley 15 safe and reliable operation can be ensured by protective cover for belt pulley 13 like this, avoid operator to be subject to fortuitous event.，
In the present embodiment, the motor pulley 15 installed by motor 16 one end drives the transmission shaft belt pulley 12 being arranged on transmission shaft 9 one end to rotate by V-shape belt 4, thus make the impeller sets 3 of transmission shaft 9 the other end realize interlock, directly blower fan blower part is inserted in body of heater during use, operate steadily, compact dimensions, easy to maintenance.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, other amendments that those of ordinary skill in the art make the technical solution of the utility model or equivalently to replace, only otherwise depart from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of right of the present utility model.
Claims (6)
1. novel high-efficiency and energy-saving insert-type centrifugal fan, comprise casing (2), intake grill (1), impeller sets (3), support group (7), transmission shaft (9), bearing support (10), transmission shaft belt pulley (12), motor (16) and motor pulley (15), it is characterized in that, described intake grill (1) is arranged on described casing (2), the inside of described casing (2) is provided with described impeller sets (3), the sidepiece of described casing (2) is provided with exhaust diffuser (17), described transmission shaft (9) is fixedly mounted on described bearing support (10) by bearing (11), described bearing support (10) is fixedly mounted on described support group (7),
One end of described transmission shaft (9) is provided with described transmission shaft belt pulley (12), described motor (16) is fixed on the below of described support group (7) by adjustment bolt (14), described motor (16) main shaft is provided with described motor pulley (15), and described motor pulley (15) is connected with described transmission shaft belt pulley (12) by V-shape belt (4);
The other end of described transmission shaft (9) is connected with the impeller sets (3) in described casing (2) through square heat insulation box (5), described support group (7) is welded on described square heat insulation box (5), thermal-protective material (6) is provided with in described square heat insulation box (6), described square heat insulation box (5) adopts bolt (18) to be fixed in rear wall plate " well " font channel-section steel (19) of described casing (2), described square heat insulation box (5) joint that is upper and transmission shaft (9) is provided with groove (5-1), radiating wheel (8) is installed in described groove (5-1), described radiating wheel (8) is arranged between described square heat insulation box (5) and bearing support (10).
2. novel high-efficiency and energy-saving insert-type centrifugal fan according to claim 1, is characterized in that, described thermal-protective material (6) is heat insulation foam.
3. novel high-efficiency and energy-saving insert-type centrifugal fan according to claim 1, is characterized in that, described transmission shaft belt pulley (12) is Combination leather belt wheel.
4. novel high-efficiency and energy-saving insert-type centrifugal fan according to claim 1, is characterized in that, described motor (16) is adjustable frequency motor.
5. novel high-efficiency and energy-saving insert-type centrifugal fan according to claim 1, is characterized in that, the blade of described impeller sets (3) is linear leaf and short blade spaced set.
6. novel high-efficiency and energy-saving insert-type centrifugal fan according to claim 1, is characterized in that, described transmission shaft belt pulley (12) and motor pulley (15) are provided with protective cover for belt pulley (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447265.1U CN204140460U (en) | 2014-08-09 | 2014-08-09 | Novel high-efficiency and energy-saving insert-type centrifugal fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420447265.1U CN204140460U (en) | 2014-08-09 | 2014-08-09 | Novel high-efficiency and energy-saving insert-type centrifugal fan |
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| Publication Number | Publication Date |
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| CN204140460U true CN204140460U (en) | 2015-02-04 |
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| CN201420447265.1U Active CN204140460U (en) | 2014-08-09 | 2014-08-09 | Novel high-efficiency and energy-saving insert-type centrifugal fan |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332134A (en) * | 2019-07-24 | 2019-10-15 | 佛山市鸿海风机有限公司 | Plug-in type blower |
| CN117249096A (en) * | 2023-11-13 | 2023-12-19 | 佛山市南海九洲普惠风机有限公司 | Prevent piling up wooden piece material and carry fan |
-
2014
- 2014-08-09 CN CN201420447265.1U patent/CN204140460U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332134A (en) * | 2019-07-24 | 2019-10-15 | 佛山市鸿海风机有限公司 | Plug-in type blower |
| CN117249096A (en) * | 2023-11-13 | 2023-12-19 | 佛山市南海九洲普惠风机有限公司 | Prevent piling up wooden piece material and carry fan |
| CN117249096B (en) * | 2023-11-13 | 2024-01-09 | 佛山市南海九洲普惠风机有限公司 | Prevent piling up wooden piece material and carry fan |
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