CN205478410U - Centrifugal fan for high -temperature environment and oven with same - Google Patents
Centrifugal fan for high -temperature environment and oven with same Download PDFInfo
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- CN205478410U CN205478410U CN201620053268.6U CN201620053268U CN205478410U CN 205478410 U CN205478410 U CN 205478410U CN 201620053268 U CN201620053268 U CN 201620053268U CN 205478410 U CN205478410 U CN 205478410U
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- axle sleeve
- centrifugal blower
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Abstract
The utility model discloses a high temperature environment's centrifugal fan, including locating the centrifugal impeller subassembly of high -temperature region and locating the motor element that normal atmospheric temperature was distinguished, still include the axle sleeve, centrifugal impeller subassembly passes through axle sleeve and motor element's output shaft, and the cover is equipped with heat insulation part on the axle sleeve, and the heat insulation part and the department of cup jointing of axle sleeve have installed the refractory seals circle. This simple structure, the installation and change, can effectually block the advantage that the high temperature air current got into motor element, can prolong centrifugal fan's life of being convenient for to implement, be convenient for. The utility model also discloses a this oven that is used for high temperature environment's centrifugal fan has.
Description
Technical field
This utility model relates generally to food, pharmacy package packing machine and the blower fan for this field, particularly relates to a kind of centrifugal blower for hot environment and has the baking oven of this centrifugal blower.
Background technology
In existing baking oven for heating section, major part hot blast is downwardly towards working region under centrifugal blower draft effect, carries out medicine bottle drying and sterilizing.The operation principle of centrifugal blower is: when electric machine rotation drives draught fan impeller to rotate, gas between impeller Leaf also and then rotates, and throw away these gases under the influence of centrifugal force, gas flow rate is made to increase, gas is converted to static energy kinetic energy in flowing, then as the supercharging of fluid, make static energy be converted to again kinetic energy, discharge gas by air vent；Discharging while gas, the certain negative pressure of impeller intermediate formation, in baking oven, the gas of high-temperature region fills into negative pressuren zone immediately, and under the continuous turning effort of impeller, gas is constantly discharged and filled into centrifugal blower, thus reaches the purpose of continuous blast.In the case of centrifugal blower continuous firing, the narrow zone air pressure of centrifugal impeller assembly periphery has increased, the part steam not flowing to working region is caused to suck from blower fan between centers gap or because pressure reduction enters in motor base and housing, along with the accumulation of heat in motor base and housing, the motor of centrifugal blower is easily burned, and causes the validity period of centrifugal blower to shorten.
In prior art, such as patent CN201210197960.2, it installs gas sealing mechanism between centrifugal impeller assembly and electric machine assembly, although this gas sealing mechanism can play the effect slackening heat, but by facts have proved that the motor of its centrifugal blower yet suffers from the phenomenon burnt out.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, it is provided that a kind of simple in construction, convenient to carry out, be easily installed and change, can effectively stop high temperature gas flow enter electric machine assembly, the centrifugal blower for hot environment in the service life of centrifugal blower can be extended and there is the baking oven of this centrifugal blower.
For solve above-mentioned technical problem, this utility model by the following technical solutions:
A kind of centrifugal blower for hot environment, including being located at the centrifugal impeller assembly of high-temperature region and being located at the electric machine assembly in room temperature district, also include axle sleeve, described centrifugal impeller assembly is connected with the output shaft of electric machine assembly by described axle sleeve, being set with thermal insulation barriers on described axle sleeve, described thermal insulation barriers is equiped with high-temperature resistant seal ring with the socket place of axle sleeve.
Further improvement as technique scheme:
Described axle sleeve is equiped with radiating wheel in the end near room temperature district.
Described thermal insulation barriers includes that c-type heat insulation and thermal insulation board, described thermal insulation board are connected with the opening of c-type heat insulation, and described radiating wheel, between c-type heat insulation and thermal insulation board, described thermal insulation board offers the passage communicated with room temperature district.
Described electric machine assembly includes that pedestal and motor, described motor are fixed on pedestal, and the output shaft of described motor is connected through pedestal with described centrifugal impeller assembly, and described pedestal is connected with described thermal insulation barriers.
A kind of baking oven, including casing, described box house is divided into high-temperature region and baking zone, described high-temperature region is provided with the flow-guiding channel connected with baking zone, it is equiped with described above for the centrifugal blower of hot environment on described casing, the centrifugal impeller assembly of described centrifugal blower is installed in the flow-guiding channel of described high-temperature region, the room temperature district that the electric machine assembly of described centrifugal blower is located at outside casing.
Compared with prior art, the utility model has the advantage of:
Centrifugal blower for hot environment of the present utility model, centrifugal impeller assembly is connected with the output shaft of electric machine assembly by axle sleeve, and axle sleeve is set with thermal insulation barriers, and thermal insulation barriers is equiped with high-temperature resistant seal ring with the socket place of axle sleeve.In this structure, thermal insulation barriers and high-temperature resistant seal ring can be to the axially mounted clearance seals of centrifugal impeller assembly, its simple in construction, convenient to carry out, can effectively stop that high temperature gas flow enters electric machine assembly, eliminate the phenomenon that when equipment runs, electric machine assembly temperature is too high；And electric machine assembly is connected with centrifugal impeller assembly by axle sleeve, the output shaft that can avoid electric machine assembly extends high-temperature region, the transmission capacity of heat can be greatly reduced, ensure that electric machine assembly is in room temperature state all the time, on the one hand can extend the service life of centrifugal blower, on the other hand make the installation of electric machine assembly and be very convenient to.Baking oven of the present utility model, owing to being equiped with the above-mentioned centrifugal blower for hot environment, the most also possesses corresponding technique effect.
Accompanying drawing explanation
Fig. 1 is this utility model main TV structure schematic diagram for the centrifugal blower of hot environment.
Fig. 2 is this utility model side-looking structural representation for the centrifugal blower of hot environment.
Fig. 3 is the structural representation of this utility model baking oven.
In figure, each label represents:
1, centrifugal impeller assembly；2, electric machine assembly；21, pedestal；22, motor；3, axle sleeve；4, thermal insulation barriers；41, c-type heat insulation；42, thermal insulation board；421, passage；5, high-temperature resistant seal ring；6, radiating wheel；7, casing；71, high-temperature region；72, baking zone；73, flow-guiding channel；8, room temperature district.
Detailed description of the invention
Below with reference to Figure of description and specific embodiment, this utility model is described in further details.
Figures 1 and 2 show that this utility model a kind of embodiment for the centrifugal blower of hot environment, including being located at the centrifugal impeller assembly 1 of high-temperature region 71 and being located at the electric machine assembly 2 in room temperature district 8, also include axle sleeve 3, centrifugal impeller assembly 1 is connected with the output shaft of electric machine assembly 2 by axle sleeve 3, being set with thermal insulation barriers 4 on axle sleeve 3, thermal insulation barriers 4 is equiped with high-temperature resistant seal ring 5 with the socket place of axle sleeve 3.In this structure, thermal insulation barriers 4 and high-temperature resistant seal ring 5 can be to the axially mounted clearance seals of centrifugal impeller assembly 1, its simple in construction, convenient to carry out, can effectively stop that high temperature gas flow enters electric machine assembly 2, eliminate the phenomenon that when equipment runs, electric machine assembly 2 temperature is too high；And electric machine assembly 2 is connected with centrifugal impeller assembly 1 by axle sleeve 3, the output shaft that can avoid electric machine assembly 2 extends high-temperature region 71, the transmission capacity of heat can be greatly reduced, ensure that electric machine assembly 2 is in room temperature state all the time, on the one hand can extend the service life of centrifugal blower, on the other hand make the installation of electric machine assembly 2 and be very convenient to.
In the present embodiment, axle sleeve 3 is hollow structure, so arranges and is easy to alleviate the weight of axle sleeve 3, also saves with material simultaneously, reduces cost.
In the present embodiment, axle sleeve 3 is equiped with radiating wheel 6 in the end near room temperature district 8.In this structure, radiating wheel radiating wheel 6 rotates with axle sleeve 3 and the room temperature in room temperature district 8 is blowed to axle sleeve 3 and electric machine assembly 2 junction, thus reduces the temperature of electric machine assembly 2, and electric machine assembly 2 can be set directly in frame.
In the present embodiment, thermal insulation barriers 4 includes c-type heat insulation 41 and thermal insulation board 42, and thermal insulation board 42 is connected with the opening of c-type heat insulation 41, and radiating wheel 6, between c-type heat insulation 41 and thermal insulation board 42, thermal insulation board 42 offers the passage 421 communicated with room temperature district 8.In this structure, radiating wheel 6 either up time or inverse time rotate, rotate generation captivation and the cold wind in room temperature district 8 is blowed to axle sleeve 3 and electric machine assembly 2 junction by the passage 421 on thermal insulation board 42, because thermal insulation board 42 is covered with passage 421, cooling wind is arranged to room temperature district 8 in pressure effect, thus realize reducing the effect of the temperature of electric machine assembly 2, and electric machine assembly 2 may be installed on thermal insulation board 42.
In the present embodiment, electric machine assembly 2 includes pedestal 21 and motor 22, and motor 22 is fixed on pedestal 21, and the output shaft of motor 22 is connected through pedestal 21 with centrifugal impeller assembly 1, and pedestal 21 is connected with thermal insulation barriers 4.In this structure, pedestal 21 is arranged on the thermal insulation board 42 of thermal insulation barriers 4, and motor 22 is arranged on pedestal 21, and the output shaft of motor 22 is connected through pedestal 21 with centrifugal impeller assembly 1, and it is simple and reliable for structure.
The operation principle of the centrifugal blower of the present embodiment: during centrifugal blower work, motor 22 simultaneously drive centrifugal impeller assembly 1 and axle sleeve 3.Under the driving of motor 22, centrifugal impeller assembly 1 normally works, supercharging discharging after the high-temperature gas of high-temperature region 71 being sucked, and reaches the purpose (high-temperature gas flowing direction is as indicated by a dashed arrow in the figure) of continuous blast；To the axially mounted clearance seal of centrifugal impeller assembly 1, thermal insulation barriers 4 can effectively stop that high temperature gas flow enters electric machine assembly 2 with high-temperature resistant seal ring 5, eliminate the phenomenon that when equipment runs, electric machine assembly 2 temperature is too high；And electric machine assembly 2 is connected with centrifugal impeller assembly 1 by axle sleeve 3, the output shaft that can avoid electric machine assembly 2 extends high-temperature region 71, the transmission capacity of heat can be greatly reduced, ensure that electric machine assembly 2 is in room temperature state all the time, on the one hand can extend the service life of centrifugal blower, on the other hand make the installation of electric machine assembly 2 and be very convenient to.
Fig. 1 to Fig. 3 shows a kind of embodiment of this utility model baking oven, including casing 7, casing 7 is internal is divided into high-temperature region 71 and baking zone 72, high-temperature region 71 is provided with the flow-guiding channel 73 connected with baking zone 72, the above-mentioned centrifugal blower for hot environment it is equiped with on casing 7, the centrifugal impeller assembly 1 of centrifugal blower is installed in the flow-guiding channel 73 of high-temperature region 71, and the electric machine assembly 2 of centrifugal blower is located at the room temperature district 8 outside casing 7.During baking oven work, centrifugal impeller assembly 1 sucks high-temperature gas from high-temperature region 71, sucks through spiral case and blows to baking zone 72 along flow-guiding channel 73, is dried by the bottle of baking zone 72.
Although this utility model discloses as above with preferred embodiment, but is not limited to this utility model.Any those of ordinary skill in the art, in the case of without departing from technical solutions of the utility model scope, technical solutions of the utility model are made many possible variations and modification by the technology contents that all may utilize the disclosure above, or are revised as the Equivalent embodiments of equivalent variations.Therefore, every content without departing from technical solutions of the utility model, according to this utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should fall in the range of technical solutions of the utility model are protected.
Claims (5)
1. the centrifugal blower for hot environment, including being located at the centrifugal impeller assembly (1) of high-temperature region (71) and being located at the electric machine assembly (2) of room temperature district (8), it is characterized in that: also include axle sleeve (3), described centrifugal impeller assembly (1) is connected with the output shaft of electric machine assembly (2) by described axle sleeve (3), being set with thermal insulation barriers (4) on described axle sleeve (3), described thermal insulation barriers (4) is equiped with high-temperature resistant seal ring (5) with the socket place of axle sleeve (3).
Centrifugal blower for hot environment the most according to claim 1, it is characterised in that: described axle sleeve (3) is equiped with radiating wheel (6) in the end near room temperature district (8).
Centrifugal blower for hot environment the most according to claim 2, it is characterized in that: described thermal insulation barriers (4) includes c-type heat insulation (41) and thermal insulation board (42), described thermal insulation board (42) is connected with the opening of c-type heat insulation (41), described radiating wheel (6) is positioned between c-type heat insulation (41) and thermal insulation board (42), and described thermal insulation board (42) offers the passage (421) communicated with room temperature district (8).
Centrifugal blower for hot environment the most according to any one of claim 1 to 3, it is characterized in that: described electric machine assembly (2) includes pedestal (21) and motor (22), described motor (22) is fixed on pedestal (21), the output shaft of described motor (22) is connected through pedestal (21) with described centrifugal impeller assembly (1), and described pedestal (21) is connected with described thermal insulation barriers (4).
5. a baking oven, including casing (7), described casing (7) is internal is divided into high-temperature region (71) and baking zone (72), described high-temperature region (71) is provided with the flow-guiding channel (73) connected with baking zone (72), it is characterized in that: the upper installing of described casing (7) is just like the centrifugal blower for hot environment according to any one of Claims 1-4, the centrifugal impeller assembly (1) of described centrifugal blower is installed in the flow-guiding channel (73) of described high-temperature region (71), and the electric machine assembly (2) of described centrifugal blower is located at casing (7) room temperature district (8) outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620053268.6U CN205478410U (en) | 2016-01-20 | 2016-01-20 | Centrifugal fan for high -temperature environment and oven with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620053268.6U CN205478410U (en) | 2016-01-20 | 2016-01-20 | Centrifugal fan for high -temperature environment and oven with same |
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| Publication Number | Publication Date |
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| CN205478410U true CN205478410U (en) | 2016-08-17 |
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| CN201620053268.6U Active CN205478410U (en) | 2016-01-20 | 2016-01-20 | Centrifugal fan for high -temperature environment and oven with same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108813894A (en) * | 2018-06-25 | 2018-11-16 | 安徽飞天软件开发有限公司 | A kind of cold wind hot wind interchangeable hair drier |
| CN110259711A (en) * | 2019-07-01 | 2019-09-20 | 肖志林 | A kind of bilobed wheel low-noise fan |
| CN113819078A (en) * | 2021-09-07 | 2021-12-21 | 哈利法克斯风机(深圳)有限公司 | Plug-in circulating fan |
-
2016
- 2016-01-20 CN CN201620053268.6U patent/CN205478410U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108813894A (en) * | 2018-06-25 | 2018-11-16 | 安徽飞天软件开发有限公司 | A kind of cold wind hot wind interchangeable hair drier |
| CN110259711A (en) * | 2019-07-01 | 2019-09-20 | 肖志林 | A kind of bilobed wheel low-noise fan |
| CN113819078A (en) * | 2021-09-07 | 2021-12-21 | 哈利法克斯风机(深圳)有限公司 | Plug-in circulating fan |
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