CN214887855U - High-temperature flue gas centrifugal fan with protection mechanism - Google Patents
High-temperature flue gas centrifugal fan with protection mechanism Download PDFInfo
- Publication number
- CN214887855U CN214887855U CN202121433859.3U CN202121433859U CN214887855U CN 214887855 U CN214887855 U CN 214887855U CN 202121433859 U CN202121433859 U CN 202121433859U CN 214887855 U CN214887855 U CN 214887855U
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- Prior art keywords
- fixedly connected
- flue gas
- temperature flue
- filter screen
- fan
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000003546 flue gas Substances 0.000 title claims abstract description 42
- 238000001816 cooling Methods 0.000 claims abstract description 46
- 238000013016 damping Methods 0.000 claims description 36
- 238000009434 installation Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Abstract
The utility model discloses a high-temperature flue gas centrifugal fan with a protection mechanism, which belongs to the technical field of centrifugal fans, and comprises a shell, wherein the front surface of the shell is fixedly connected with an air inlet, the front surface of the air inlet is fixedly connected with a cooling cover, when the centrifugal fan is used in a high-temperature flue gas environment, high-temperature flue gas firstly passes through a front filter screen and a rear filter screen at the front end of the cooling cover when entering the fan, the front filter screen is a vertical filter screen, the rear filter screen is a transverse filter screen, the front filter screen and the rear filter screen are mutually matched to block dust particles in the high-temperature flue gas outside the fan, the filtered high-temperature flue gas enters the cooling cover, an air cooling pipe in the cooling cover cools the high-temperature flue gas, and finally flows out from an air outlet through the inside of the fan, so that the internal parts of the fan can be effectively protected, and the fan is prevented from being burnt out due to overhigh internal temperature, the normal operation of guarantee fan, extension fan life.
Description
Technical Field
The utility model belongs to the technical field of centrifugal fan, concretely relates to high temperature flue gas centrifugal fan with protection machanism.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.
The existing centrifugal fan used in high-temperature flue gas cannot filter dust particles in the flue gas, the flue gas temperature is too high, the interior of the fan can be damaged after the centrifugal fan enters the fan for a long time, and the centrifugal fan is not favorable for long-term use.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to provide a: in order to solve and can not filter the dust particle in the flue gas, flue gas temperature is too high, gets into the fan inside for a long time and can cause the fan internals to damage, is unfavorable for centrifugal fan's the problem of using for a long time, the utility model provides a high temperature flue gas centrifugal fan with protection machanism.
(II) technical scheme
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides a high temperature flue gas centrifugal fan with protection machanism, includes the shell, the positive fixedly connected with air intake of shell, the positive fixedly connected with cooling jacket of air intake, the inner wall of cooling jacket is provided with the air-cooling pipe, the equal fixedly connected with connector in both ends of air-cooling pipe, filter screen before the positive inner wall fixedly connected with of cooling jacket, the back fixedly connected with back filter screen of preceding filter screen, the outer fixed surface fixedly connected with seal fixation ring of cooling jacket.
Further, the back of the shell is fixedly connected with a back plate, and the back of the back plate is fixedly connected with a servo motor.
Further, the lower fixed surface of servo motor is connected with supports the elastic frame, the lower fixed surface who supports the elastic frame is connected with the movable supporting plate, the lower fixed surface of movable supporting plate is connected with damping spring.
Further, damping spring's one end fixedly connected with vibration damping mount, vibration damping mount's interior diapire fixedly connected with direction connecting rod.
Furthermore, one end of the servo motor is fixedly connected with a rotating shaft, and one end of the rotating shaft is fixedly connected with a multi-wing impeller.
Furthermore, the front face of the damping base is fixedly connected with a bottom plate, and the upper surface of the bottom plate is fixedly connected with an auxiliary supporting plate.
Further, an air outlet is formed in the upper surface of the shell, and one end of the shell is fixedly connected with a connecting and fixing plate.
Furthermore, the side surface of the bottom plate is fixedly connected with a mounting fixing plate.
(III) advantageous effects
The utility model has the advantages as follows:
1. this high temperature flue gas centrifugal fan with protection machanism, through the air intake, the cooling cover, the air cooling pipe, the connector, back filter screen, preceding filter screen and seal fixing ring's setting, centrifugal fan is when high temperature flue gas environment uses, high temperature flue gas is when getting into the fan inside, earlier through the preceding filter screen and the back filter screen of cooling cover front end, preceding filter screen is vertical filter screen, back filter screen is horizontal filter screen, both mutually support and block the dust granule in the high temperature flue gas outside the fan, filter back high temperature flue gas and get into in the cooling cover, the air cooling pipe in the cooling cover cools off the high temperature flue gas, flow from the air outlet through the fan is inside at last, can effectively protect fan internals like this, prevent that the too high fan of burning out of inside temperature, ensure the normal clear of fan, extension fan life.
2. This high temperature flue gas centrifugal fan with protection machanism, through the backplate, servo motor, support the elastic frame, the movable supporting plate, damping spring, vibration damping mount and direction connecting rod's setting, damping mechanism is installed to servo motor's below, by supporting the elastic frame, the movable supporting plate, damping spring, vibration damping mount and direction connecting rod five parts are constituteed, install damping spring on vibration damping mount's interior diapire, interior diapire marginal point is fixed with the direction connecting rod, the movable supporting plate is connected to the damping spring upper end, fixed surface has the support elastic frame in the movable supporting plate, it fixes at the servo motor surface to support the elastic frame, make in the use fan process, can reduce centrifugal fan's vibrations, make its noise in the use reduce, reduce noise pollution.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of an explosion structure of the cooling jacket of the present invention;
fig. 3 is a schematic sectional view of the rear view of the present invention;
fig. 4 is a schematic view of the rear view axial measurement structure of the present invention;
fig. 5 is a schematic view of the sectional axial measurement structure of the present invention.
Reference numerals: 1. a housing; 2. an air inlet; 3. a cooling jacket; 4. an air cooling tube; 5. a connector; 6. a rear filter screen; 7. a front filter screen; 8. sealing the fixed ring; 9. a back plate; 10. a servo motor; 11. a supporting elastic frame; 12. a movable support plate; 13. a damping spring; 14. a damping mount; 15. a guide connecting rod; 16. a rotating shaft; 17. a multi-bladed impeller; 18. a base plate; 19. an auxiliary support plate; 20. an air outlet; 21. connecting the fixed plate; 22. and (6) mounting a fixing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-5, a high temperature flue gas centrifugal fan with a protection mechanism comprises a housing 1, an air inlet 2 fixedly connected to the front of the housing 1, a cooling hood 3 fixedly connected to the front of the air inlet 2, an air cooling pipe 4 arranged on the inner wall of the cooling hood 3, connectors 5 fixedly connected to both ends of the air cooling pipe 4, a front filter screen 7 fixedly connected to the front inner wall of the cooling hood 3, a rear filter screen 6 fixedly connected to the back of the front filter screen 7, and a sealing and fixing ring 8 fixedly connected to the outer surface of the cooling hood 3.
In this embodiment, through air intake 2, cooling jacket 3, air cooling pipe 4, connector 5, back filter screen 6, preceding filter screen 7 and the setting of seal retainer ring 8, centrifugal fan is when using in high temperature flue gas environment, high temperature flue gas is when getting into the fan inside, preceding filter screen 7 and the back filter screen 6 through the preceding filter screen 7 of 3 front ends of cooling jacket earlier, preceding filter screen 7 is vertical filter screen, back filter screen 6 is horizontal filter screen, both mutually support and block the dust granule in the high temperature flue gas outside the fan, filter back high temperature flue gas and get into in cooling jacket 3, air cooling pipe 4 in cooling jacket 3 cools off the high temperature flue gas, at last through the inside air outlet 20 outflow of fan, can effectively protect fan internals like this, prevent that the too high fan that burns out of inside temperature, ensure the normal clear of fan, extension fan life.
Example 2
Referring to fig. 1 to 5, the present embodiment is further optimized based on embodiment 1, specifically, a back plate 9 is fixedly connected to the back surface of the housing 1, and a servo motor 10 is fixedly connected to the back surface of the back plate 9.
Specifically, the lower surface of the servo motor 10 is fixedly connected with a supporting elastic frame 11, the lower surface of the supporting elastic frame 11 is fixedly connected with a movable supporting plate 12, and the lower surface of the movable supporting plate 12 is fixedly connected with a damping spring 13.
Specifically, one end of the damping spring 13 is fixedly connected with a damping base 14, and an inner bottom wall of the damping base 14 is fixedly connected with a guide connecting rod 15.
Specifically, one end of the servo motor 10 is fixedly connected with a rotating shaft 16, and one end of the rotating shaft 16 is fixedly connected with a multi-wing impeller 17.
In this embodiment, through the setting of backplate 9, servo motor 10, support elastic frame 11, movable support plate 12, damping spring 13, damper 14 and direction connecting rod 15, damping mechanism is installed to servo motor 10's below, by supporting elastic frame 11, movable support plate 12, damping spring 13, damper 14 and direction connecting rod 15 five parts constitute, install damping spring 13 on damper 14's inner bottom wall, inner bottom wall border position is fixed with direction connecting rod 15, damping spring 13 upper end connection movable support plate 12, movable support plate 12 upper surface is fixed with support elastic frame 11, support elastic frame 11 and fix at servo motor 10 surface, make in the use fan process, can reduce centrifugal fan's vibrations, make its noise reduction in the use, reduce noise pollution.
Example 3
Referring to fig. 1-5, the present embodiment is optimized based on embodiment 1 or embodiment 2, specifically, a bottom plate 18 is fixedly connected to the front surface of the damping base 14, and an auxiliary supporting plate 19 is fixedly connected to the upper surface of the bottom plate 18.
Specifically, an air outlet 20 is formed in the upper surface of the housing 1, and a connection fixing plate 21 is fixedly connected to one end of the housing 1.
Specifically, a mounting plate 22 is fixedly connected to a side surface of the bottom plate 18.
In this embodiment, through the setting of auxiliary supporting plate 19, can better support housing 1, through the setting of air outlet 20, conveniently see off centrifugal fan with the air, through the setting of installation fixed plate 22, conveniently fix centrifugal fan's position.
In summary, the following steps: the utility model discloses, when centrifugal fan used in the high temperature flue gas environment, when the high temperature flue gas got into the fan inside, first through the preceding filter screen 7 and the back filter screen 6 of cooling jacket 3 front end, preceding filter screen 7 was vertical filter screen, back filter screen 6 was horizontal filter screen, both mutually supported and stopped the dust granule in the high temperature flue gas outside the fan, high temperature flue gas got into cooling jacket 3 after filtering, air cooling tube 4 in cooling jacket 3 cooled down the high temperature flue gas, flow out from air outlet 20 through the fan inside at last, can effectively protect the fan internals like this, prevent that the fan from burning out of the too high internal temperature, guarantee the normal clear of fan, extension fan life; damping mechanism is installed to servo motor 10's below, by supporting elastic frame 11, movable support plate 12, damping spring 13, damping base 14 and direction connecting rod 15 five parts are constituteed, inner bottom wall mounting at damping base 14 has damping spring 13, inner bottom wall border position is fixed with direction connecting rod 15, damping spring 13 upper end connection movable support plate 12, movable support plate 12 last fixed surface has supporting elastic frame 11, it fixes at servo motor 10 surface to support elastic frame 11, make in the use fan process, can reduce centrifugal fan's vibrations, make its noise in the use reduce, reduce noise pollution.
Above, only be the preferred embodiment of the present invention, not be used for limiting the present invention, the patent protection scope of the present invention is based on the claims, all the structural changes equivalent to the content of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a high temperature flue gas centrifugal fan with safeguard mechanism, includes shell (1), its characterized in that: the utility model discloses a cooling cover, including shell (1), the front fixedly connected with air intake (2) of shell (1), the front fixedly connected with cooling cover (3) of air intake (2), the inner wall of cooling cover (3) is provided with air cooling pipe (4), the equal fixedly connected with connector (5) in both ends of air cooling pipe (4), filter screen (7) before the positive inner wall fixedly connected with of cooling cover (3), filter screen (6) behind the back fixedly connected with of preceding filter screen (7), the outer fixed surface fixedly connected with seal fixation ring (8) of cooling cover (3).
2. The high-temperature flue gas centrifugal fan with the protection mechanism according to claim 1, is characterized in that: the back of shell (1) fixedly connected with backplate (9), the back fixedly connected with servo motor (10) of backplate (9).
3. The high-temperature flue gas centrifugal fan with the protection mechanism according to claim 2, is characterized in that: the lower fixed surface of servo motor (10) is connected with supports elastic frame (11), the lower fixed surface who supports elastic frame (11) is connected with movable support plate (12), the lower fixed surface of movable support plate (12) is connected with damping spring (13).
4. The high-temperature flue gas centrifugal fan with the protection mechanism according to claim 3, is characterized in that: one end of the damping spring (13) is fixedly connected with a damping base (14), and the inner bottom wall of the damping base (14) is fixedly connected with a guide connecting rod (15).
5. The high-temperature flue gas centrifugal fan with the protection mechanism according to claim 2, is characterized in that: one end of the servo motor (10) is fixedly connected with a rotating shaft (16), and one end of the rotating shaft (16) is fixedly connected with a multi-wing impeller (17).
6. The high-temperature flue gas centrifugal fan with the protection mechanism according to claim 4, is characterized in that: the front surface of the damping base (14) is fixedly connected with a bottom plate (18), and the upper surface of the bottom plate (18) is fixedly connected with an auxiliary supporting plate (19).
7. The high-temperature flue gas centrifugal fan with the protection mechanism according to claim 1, is characterized in that: an air outlet (20) is formed in the upper surface of the shell (1), and a connecting and fixing plate (21) is fixedly connected to one end of the shell (1).
8. The high-temperature flue gas centrifugal fan with the protection mechanism according to claim 6, is characterized in that: and the side surface of the bottom plate (18) is fixedly connected with an installation fixing plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121433859.3U CN214887855U (en) | 2021-06-24 | 2021-06-24 | High-temperature flue gas centrifugal fan with protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121433859.3U CN214887855U (en) | 2021-06-24 | 2021-06-24 | High-temperature flue gas centrifugal fan with protection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214887855U true CN214887855U (en) | 2021-11-26 |
Family
ID=78906412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121433859.3U Expired - Fee Related CN214887855U (en) | 2021-06-24 | 2021-06-24 | High-temperature flue gas centrifugal fan with protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214887855U (en) |
-
2021
- 2021-06-24 CN CN202121433859.3U patent/CN214887855U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |