CN202628563U - Centrifugal fan for high-temperature working environments and oven with same - Google Patents
Centrifugal fan for high-temperature working environments and oven with same Download PDFInfo
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- CN202628563U CN202628563U CN 201220282888 CN201220282888U CN202628563U CN 202628563 U CN202628563 U CN 202628563U CN 201220282888 CN201220282888 CN 201220282888 CN 201220282888 U CN201220282888 U CN 201220282888U CN 202628563 U CN202628563 U CN 202628563U
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- centrifugal
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- impeller assembly
- centrifugal impeller
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Abstract
The utility model discloses a centrifugal fan for high-temperature working environments. The centrifugal fan comprises a centrifugal impeller assembly, an installation seat and a motor, wherein the centrifugal impeller assembly is arranged in the high temperature section, the installation seat and the motor are positioned in the normal temperature section, the motor is fixed on the installation seat, the centrifugal impeller assembly is connected with an output shaft of the motor, and an air exhaust device for quickly exhausting high temperature air leaked from axial installation gaps of the centrifugal impeller assembly is positioned between the centrifugal impeller assembly and the installation seat. The centrifugal fan for high-temperature working environments has the advantages of being simple in structure, convenient to implement, capable of quickly exhausting leaked high-temperature air flow and long in service life. The utility model further discloses an oven with the centrifugal fan for high-temperature working environments.
Description
Technical field
The blower fan that the utility model relates to food, pharmacy package packing machine and is used for this field relates in particular to centrifugal blower that is used for high-temperature work environment and the baking oven with this centrifugal blower.
Background technique
In the existing baking oven bringing-up section, most of hot blast flows to the working zone downwards under the centrifugal blower air drafting effect, carry out the medicine bottle drying and sterilizing.The working principle of centrifugal blower is: when motor rotates the rotation of drive draught fan impeller; Gas in the impeller between the blade is and then rotation also, and under action of centrifugal force, throws away these gas, and gas flow rate is increased; Gas converts kinetic energy into static energy in flowing; Along with the supercharging of fluid, make static energy convert kinetic energy again into then, discharge gas through relief opening; When discharging gas, formed certain negative pressure in the middle of the impeller, the gas of high-temperature zone is mended into negative pressuren zone immediately in the baking oven, and centrifugal blower is constantly discharged and is mended gas under the continuous turning effort of impeller, thereby reaches the purpose of continuous blast.Under the situation of centrifugal blower continuous firing; The narrow zone air pressure of centrifugal impeller assembly periphery also increases to some extent; The part hot gas that causes not flowing to the working zone is from the suction of blower fan between centers gap or because of in pressure reduction entering motor mount and the housing; Along with the accumulation of heat in motor mount and the housing, the motor of centrifugal blower is burnt out easily, causes the spreadable life of centrifugal blower to shorten.
The model utility content
The technical problem that the utility model will solve is the deficiency that overcomes existing technology, provide a kind of simple in structure, be convenient to implement, can and have the baking oven of this centrifugal blower the centrifugal blower that is used for high-temperature work environment of the high temperature gas flow quick drain of leaking, long service life.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of centrifugal blower that is used for high-temperature work environment; Comprise centrifugal impeller assembly and the fitting seat of being located at the normal temperature district and the motor of being located at the high-temperature zone; Said motor is fixed on the said fitting seat; Said centrifugal impeller assembly is connected with the output shaft of motor, is equiped with between said centrifugal impeller assembly and the said fitting seat to be used for the venting gas appliance of quick drain from the high-temperature gas of the axial assemblage gap leakage of centrifugal impeller assembly.
Said venting gas appliance comprises exhaust hood and impeller; Said exhaust hood one end is the outer gas collection mouth of axial assemblage gap that covers at said centrifugal impeller assembly; The other end is connected with fitting seat; Offer on the said exhaust hood and the extraneous relief opening that communicates, said impeller is installed on the output shaft of motor and is positioned at said exhaust hood.
Said impeller comprises rotating disk and a plurality of blade, and the output shaft of said rotating disk and motor is affixed, and said a plurality of vanes fixed and are circumferentially evenly arranged along rotating disk on rotating disk.
Said exhaust hood is in the form of annular discs, and said relief opening is provided with a plurality of, and a plurality of relief openings circumferentially evenly are provided with along disk.
Each relief opening is along the radially setting of disk.
Said centrifugal impeller assembly comprises centrifugal impeller and heat-insulating block, and said centrifugal impeller is installed on the output shaft of said motor, and said heat-insulating block and said exhaust hood are affixed.
A kind of baking oven; Comprise casing; Said box house is divided into high-temperature zone and drying section, and said high-temperature zone is provided with the guide channel that is communicated with drying section, is equiped with the above-mentioned centrifugal blower that is used for high-temperature work environment on the said casing; The centrifugal impeller assembly of said centrifugal blower is installed in the guide channel of said high-temperature zone, and the fitting seat of said centrifugal blower and motor all are located at the outer normal temperature district of casing.
Compared with prior art, the advantage of the utility model is:
The centrifugal blower that is used for high-temperature work environment of the utility model; Between centrifugal impeller assembly and fitting seat, install venting gas appliance; Through the high-temperature gas quick drain that this venting gas appliance can leak the axial assemblage gap from the centrifugal impeller assembly, it is simple in structure, be convenient to implement, and can stop effectively that high temperature gas flow gets into fitting seat and motor; The too high phenomenon of fitting seat and motor temperature when having eliminated equipment operation, thereby the working life of prolongation centrifugal blower.The baking oven of the utility model owing to be equiped with the above-mentioned centrifugal blower that is used for high-temperature work environment, therefore also possesses the corresponding techniques effect.
Description of drawings
Fig. 1 is the structural representation of centrifugal blower in the utility model.
Fig. 2 is the structural representation of baking oven in the utility model.
Each label is represented among the figure:
1, centrifugal impeller assembly; 2, fitting seat; 3, motor; 4, venting gas appliance; 5, casing; 6, normal temperature district; 7, heat-insulating block; 11, centrifugal impeller; 41, exhaust hood; 42, impeller; 51, high-temperature zone; 52, drying section; 53, guide channel; 411, gas collection mouth; 412, relief opening; 421, rotating disk; 422, blade.
Embodiment
Fig. 1 and Fig. 2 show a kind of centrifugal blower that is used for high-temperature work environment of the utility model; Comprise the centrifugal impeller assembly 1 of being located at high-temperature zone 51 and the fitting seat of being located at normal temperature district 62 and motor 3; Motor 3 is fixed on the fitting seat 2; Centrifugal impeller assembly 1 is connected with the output shaft of motor 3, is equiped with the venting gas appliance 4 that is used for the high-temperature gas that quick drain leaks from the axial assemblage gap of centrifugal impeller assembly 1 between centrifugal impeller assembly 1 and the fitting seat 2, the high-temperature gas quick drain that can the axial assemblage gap from centrifugal impeller assembly 1 be leaked through this venting gas appliance 4; It is simple in structure, be convenient to implement; Can stop effectively that high temperature gas flow gets into fitting seat 2 and motor 3, fitting seat 2 and the too high phenomenon of motor 3 temperature when having eliminated equipment operation, thereby the working life of prolongation centrifugal blower.
In the present embodiment; Venting gas appliance 4 comprises exhaust hood 41 and impeller 42, and exhaust hood 41 is in the form of annular discs, and the one of which end is the outer gas collection mouth 411 of axial assemblage gap that covers at centrifugal impeller assembly 1; The other end is connected with fitting seat 2; Offer on the exhaust hood 41 and the extraneous a plurality of relief openings 412 that communicate, a plurality of relief openings 412 are circumferentially evenly arranged each relief opening 412 radially offering along disk along disk; Impeller 42 is installed on the output shaft of motor 3 and is positioned at exhaust hood 41; Impeller 42 comprises rotating disk 421 and a plurality of blades 422, and rotating disk 421 is affixed with the output shaft of motor 3, and a plurality of blades 422 are fixed on the rotating disk 421, and circumferentially evenly arranges along rotating disk 421; Centrifugal impeller assembly 1 comprises centrifugal impeller 11 and heat-insulating block 7, and centrifugal impeller 11 is installed on the output shaft of motor 3, and heat-insulating block 7 and said exhaust hood 41 are affixed, can further reduce the transmission of heat through heat-insulating block 7.
The working principle of the centrifugal blower of the utility model: during centrifugal blower work, drive centrifugal impeller assembly 1 and venting gas appliance 4 simultaneously by motor 3.Under the driving of motor 3, centrifugal impeller assembly 1 proper functioning with the high-temperature gas suction back supercharging and the discharge of high-temperature zone 51, reaches the purpose of continuous blast; Impeller 42 in the venting gas appliance 4 rotates under the driving of motor 3; After the high-temperature gas that the axial assemblage gap of centrifugal impeller assembly 1 leaks gets into exhaust hood 41 from gas collection mouth 411; Under the effect of impeller 42 high speed rotating, discharged from relief opening 412 fast, thereby prevented the assemblage gap inflow fitting seat 2 and motor 3 (high-temperature gas flow direction as in figure arrow shown in) of the gas of high-temperature zone 51 along centrifugal impeller assembly 1.
Fig. 2 shows a kind of baking oven embodiment of the utility model; This baking oven comprises casing 5; Casing 5 inside are divided into high-temperature zone 51 and drying section 52; High-temperature zone 51 is provided with the guide channel 53 that is communicated with drying section 52, is equiped with the above-mentioned centrifugal blower that is used for high-temperature work environment on the casing 5, and the centrifugal impeller assembly 1 of centrifugal blower is installed in the guide channel 53 of high-temperature zone 51; The fitting seat 2 and the motor 3 of centrifugal blower all are located at the normal temperature district outside the casing 5, and heat-insulating block 7 is fixed on the casing 5 through fitting seat 2.During baking oven work; Centrifugal impeller assembly 1 is 51 suction high-temperature gases from the high-temperature zone; And blow to drying section 52 along guide channel 53, with the bottle oven dry of drying section 52, after the high-temperature gas that leaks from the assemblage gap of centrifugal impeller assembly 1 gets into exhaust hoods 41 from gas collection mouth 411; Under the effect of impeller 42 high speed rotating, discharged from relief opening 412 fast, thereby prevented the assemblage gap inflow fitting seat 2 and motor 3 of the gas of high-temperature zone 51 along centrifugal impeller assembly 1.
The above-mentioned just preferred embodiment of the utility model is not that the utility model is done any pro forma restriction.Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art; Under the situation that does not break away from the utility model technological scheme scope; All the technology contents of above-mentioned announcement capable of using is made many possible changes and modification to the utility model technological scheme, or is revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from the utility model technological scheme, all should drop in the scope of the utility model technological scheme protection any simple modification, equivalent variations and modification that above embodiment did according to the utility model technical spirit.
Claims (7)
1. centrifugal blower that is used for high-temperature work environment; Comprise the centrifugal impeller assembly (1) of being located at high-temperature zone (51) and the fitting seat (2) of being located at normal temperature district (6) and motor (3); Said motor (3) is fixed on the said fitting seat (2); Said centrifugal impeller assembly (1) is connected with the output shaft of motor (3), it is characterized in that: be equiped with the venting gas appliance (4) that is used for the high-temperature gas that quick drain leaks from the axial assemblage gap of centrifugal impeller assembly (1) between said centrifugal impeller assembly (1) and the said fitting seat (2).
2. the centrifugal blower that is used for high-temperature work environment according to claim 1; It is characterized in that: said venting gas appliance (4) comprises exhaust hood (41) and impeller (42); Said exhaust hood (41) one ends are provided with the outer gas collection mouth (411) of axial assemblage gap that covers at said centrifugal impeller assembly (1); The other end is connected with fitting seat (2); Offer on the said exhaust hood (41) and the extraneous relief opening (412) that communicates, said impeller (42) is installed on the output shaft of motor (3) and is positioned at said exhaust hood (41).
3. the centrifugal blower that is used for high-temperature work environment according to claim 2; It is characterized in that: said impeller (42) comprises rotating disk (421) and a plurality of blade (422); Said rotating disk (421) is affixed with the output shaft of motor (3); Said a plurality of blade (422) is fixed on the rotating disk (421), and circumferentially evenly arranges along rotating disk (421).
4. according to claim 2 or the 3 described centrifugal blowers that are used for high-temperature work environment, it is characterized in that: said exhaust hood (41) is in the form of annular discs, and said relief opening (412) is provided with a plurality of, and a plurality of relief openings (412) circumferentially evenly are provided with along disk.
5. the centrifugal blower that is used for high-temperature work environment according to claim 4 is characterized in that: each relief opening (412) is along the radially setting of disk.
6. the centrifugal blower that is used for high-temperature work environment according to claim 5; It is characterized in that: said centrifugal impeller assembly (1) comprises centrifugal impeller (11) and heat-insulating block (7); Said centrifugal impeller (11) is installed on the output shaft of said motor (3), and said heat-insulating block (7) is affixed with said exhaust hood (41).
7. baking oven; Comprise casing (5); Said casing (5) inside is divided into high-temperature zone (51) and drying section (52); Said high-temperature zone (51) is provided with the guide channel (53) that is communicated with drying section (52); It is characterized in that: be equiped with on the said casing (5) like each described centrifugal blower that is used for high-temperature work environment in the claim 1 to 6, the centrifugal impeller assembly (1) of said centrifugal blower is installed in the guide channel (53) of said high-temperature zone (51), and fitting seat of said centrifugal blower (2) and motor (3) all are located at the outer normal temperature district of casing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220282888 CN202628563U (en) | 2012-06-15 | 2012-06-15 | Centrifugal fan for high-temperature working environments and oven with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220282888 CN202628563U (en) | 2012-06-15 | 2012-06-15 | Centrifugal fan for high-temperature working environments and oven with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628563U true CN202628563U (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220282888 Expired - Lifetime CN202628563U (en) | 2012-06-15 | 2012-06-15 | Centrifugal fan for high-temperature working environments and oven with same |
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| CN (1) | CN202628563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591036A (en) * | 2013-11-29 | 2014-02-19 | 深圳市信宇人科技有限公司 | Circulation fan structure of high-temperature internal circulation oven |
-
2012
- 2012-06-15 CN CN 201220282888 patent/CN202628563U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591036A (en) * | 2013-11-29 | 2014-02-19 | 深圳市信宇人科技有限公司 | Circulation fan structure of high-temperature internal circulation oven |
| CN103591036B (en) * | 2013-11-29 | 2016-03-30 | 深圳市信宇人科技有限公司 | The circulation wind blower structure of high-temperature internal circulation oven |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |
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| CX01 | Expiry of patent term |