CN215171066U - Dust exhausting fan's built-in forced air cooling structure - Google Patents
Dust exhausting fan's built-in forced air cooling structure Download PDFInfo
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- CN215171066U CN215171066U CN202120309572.3U CN202120309572U CN215171066U CN 215171066 U CN215171066 U CN 215171066U CN 202120309572 U CN202120309572 U CN 202120309572U CN 215171066 U CN215171066 U CN 215171066U
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Abstract
The utility model discloses a dust exhausting fan's built-in forced air cooling structure, including the fan main part, be provided with the bearing frame in the cavity of fan main part, rotate on the bearing frame and be connected with the pivot, be connected with driving motor in the pivot, be provided with forced air cooling mechanism in the cavity of fan main part, forced air cooling mechanism includes a confined forced air cooling section of thick bamboo, the bearing frame is located a forced air cooling section of thick bamboo, the pivot is located one of a forced air cooling section of thick bamboo and serves and be provided with the forced air cooling fan, be provided with intake pipe and outlet duct between a forced air cooling section of thick bamboo and the external world, become many air cooling systems of external originally and build-in single forced air cooling mechanism, and can cool down the bearing frame fast effectively, and its simple structure reduces the maintenance cost in the early-phase input cost of dust exhausting fan and later stage simultaneously.
Description
Technical Field
The utility model belongs to dust exhausting fan equipment field, more specifically the built-in forced air cooling structure that relates to a dust exhausting fan that says so.
Background
Converter steelmaking is the most common steelmaking mode at present, and at converter steelmaking's in-process, can produce very much dust gas, need use dust removal fan equipment to collect the dust promptly, avoid the dust scattered polluted environment all around, the collection of dust needs to use dust removal fan, and dust removal fan is supported by the pivot and drives, and the pivot is then supported by the bearing frame at both ends, and one of them bearing frame need be located dust removal fan's cavity, and the dust gas that gets into the cavity has high temperature, bearing frame is damaged easily when working at high temperature for a long time, then use many external air cooling equipment among the prior art to realize cooling down the bearing frame inside the dust removal fan cavity, and set up many air cooling equipment and make dust removal fan early construction input cost height, lead to the later stage to the maintenance cost increase of many air cooling equipment.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a dust exhausting fan's built-in forced air cooling structure reduces dust exhausting fan input cost and later maintenance cost in earlier stage.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a dust exhausting fan's built-in forced air cooling structure, includes the fan main part, be provided with the bearing frame in the cavity of fan main part, rotate on the bearing frame and be connected with the pivot, be connected with driving motor in the pivot, be provided with forced air cooling mechanism in the cavity of fan main part, forced air cooling mechanism includes a confined forced air cooling section of thick bamboo, the bearing frame is located a forced air cooling section of thick bamboo, the pivot is located one of a forced air cooling section of thick bamboo and serves and be provided with the forced air cooling fan, be provided with intake pipe and outlet duct between a forced air cooling section of thick bamboo and the external world.
Furthermore, be provided with between outlet duct and the air-cooled fan axial both ends and be open-ended air-cooled cover, wherein be close to the bearing frame be the air inlet, keep away from the bearing frame be the gas outlet, the air inlet is towards the bearing frame, the outlet duct is connected to the gas outlet.
Furthermore, a plurality of vortex fan blades are circumferentially and uniformly distributed on the air cooling fan, the plurality of vortex fan blades surround to form an air exhaust cavity, and one end of the air outlet pipe, which is connected with the air cooling cover, extends into the air exhaust cavity.
Furthermore, an inclined flow guide surface is formed between the air outlet and the air inlet.
Furthermore, the air inlet pipe is provided with a dust screen.
Compared with the prior art, the beneficial effects of the utility model are that: after the dust gas of high temperature got into the cavity of fan main part, start driving motor, make the forced air cooling fan rotate through the pivot, the air inlet passes through the negative pressure inhalation with the normal atmospheric temperature air, carry out the heat exchange with the bearing frame when the normal atmospheric temperature air passes through the bearing frame, take away the heat on the bearing frame, then blow in the outlet duct with the hot-air through the forced air cooling fan, and there is the outlet duct to discharge the cold section of thick bamboo of hot-air exhaust, thereby form the circulation forced air cooling to the bearing frame, because become built-in single air cooling mechanism with originally external many air cooling systems, its structure is simpler, reduce the cost of investment of dust exhausting fan early stage and the maintenance cost in later stage simultaneously.
Drawings
FIG. 1 is a schematic structural view of a dust removing fan of the built-in air cooling system of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Reference numerals: 1. a fan main body; 2. a rotating shaft; 3. a bearing seat; 4. a drive motor; 5. an air-cooled cylinder; 6. an air cooling fan; 7. an air inlet pipe; 8. an air outlet pipe; 9. air cooling cover; 10. an air inlet; 11. an air outlet; 12. an eddy fan blade; 13. an exhaust chamber; 14. a dust screen; 15. an exhaust fan; 16. an expansion section; 17. and (4) an advection section.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.
The present invention is further explained with reference to fig. 1 and 2.
The utility model provides a dust exhausting fan's built-in forced air cooling structure, includes fan main body 1, be provided with bearing frame 3 in fan main body 1's the cavity, the last rotation of bearing frame 3 is connected with pivot 2, is connected with driving motor 4 in the pivot 2, be provided with forced air cooling mechanism in fan main body 1's the cavity, forced air cooling mechanism includes confined forced air cooling section of thick bamboo 5, bearing frame 3 is located forced air cooling section of thick bamboo 5, pivot 2 is located one of forced air cooling section of thick bamboo 5 and serves and be provided with forced air cooling fan 6, be provided with intake pipe 7 and outlet duct 8 between forced air cooling section of thick bamboo 5 and the external world.
As shown in fig. 1 and fig. 2, a driving motor 4 is connected to the outside of the rotating shaft 2, when the driving motor 4 is started, high-temperature dust gas generated during converter steelmaking enters the cavity of the fan body 1 from the air inlet portion of the fan body 1, and the rotating shaft 2 drives the air cooling fan 6 to rotate, after the air cooling fan 6 rotates, the air inlet pipe 7 forms negative pressure at the pipe orifice inside the air cooling cylinder 5, so that normal-temperature air can enter the air cooling cylinder 5 from the air inlet pipe 7, when the high-temperature dust gas transfers heat to the bearing seat 3, heat exchange can be performed with the normal-temperature air inside the air cooling cylinder 5, so as to cool the bearing seat 3, and the air after absorbing heat can be discharged from the air outlet pipe 8, so as to continuously cool the bearing seat 3 inside the air cooling cylinder 5, and the bearing seat 3 can be cooled rapidly and effectively by the air cooling mechanism arranged inside the cavity of the fan body 1, and its simple structure reduces the input cost of dust exhausting fan early stage, reduces the maintenance cost of later stage to air cooling mechanism simultaneously.
Preferably, one end opening of the air inlet pipe 7 in the air cooling cylinder 5 faces the air cooling fan 6 and is close to the bearing seat 3, so that cooling air is blown to the bearing seat 3, and the bearing seat 3 is cooled.
Preferably, a heat insulation layer is arranged between the inner wall and the outer wall of the air cooling cylinder 5, and heat insulation cotton is filled in the heat insulation layer, so that heat transfer of high-temperature dust gas in the cavity of the fan main body 1 to the air cooling cylinder 5 can be reduced.
Preferably, the air inlet pipe 7 is located below the air outlet pipe 8, so that when the hot air absorbing heat rises in the air cooling cylinder 5, the hot air is better discharged through the air outlet pipe 8, and the residence time of the hot air in the air cooling cylinder 5 is reduced.
As shown in fig. 2, an air cooling cover 9 with openings at both axial ends is preferably disposed between the air inlet pipe 7 and the air cooling fan 6, wherein, an air outlet 11 is close to the bearing seat 3, an air inlet 10 is far away from the bearing seat 3, the air outlet 11 faces the bearing seat 3, the air inlet 10 is connected with the air inlet pipe 7, when the air cooling fan 6 rotates, a smaller cavity is formed between the air cooling cover 9 and the air cooling fan 6, so that negative pressure is more easily formed between the air inlet 10 and the air outlet 11 of the air cooling cover 9, can make external normal atmospheric temperature air inhaled through intake pipe 7 through the negative pressure, then blow normal atmospheric temperature air to bearing frame 3, make and carry out the heat exchange between normal atmospheric temperature air and the bearing frame 3, discharge from outlet duct 8 behind the hot-air absorbed heat, make the lower normal atmospheric temperature air of temperature can cool off bearing frame 3 more fast, improve the cooling efficiency to bearing frame 3.
As shown in fig. 2, this embodiment is preferred be provided with a plurality of vortex flabellum 12 of circumference equipartition on the air-cooled fan 6, a plurality of vortex flabellum 12 enclose and form exhaust chamber 13, the one end that air cooling cover 9 is connected to intake pipe 7 stretches into in the exhaust chamber 13, when air-cooled fan 6 rotated, normal atmospheric temperature air was inhaled from intake pipe 7, then entered exhaust chamber 13, rethread vortex flabellum 12 with normal atmospheric temperature air to the diffusion all around of bearing frame 3, then carry out the heat absorption cooling to bearing frame 3, can further improve the suction efficiency of normal atmospheric temperature air through vortex fan.
As shown in fig. 1, the air cooling hood 9 of this embodiment is preferable to include an expansion section 16 and a advection section 17, the air inlet 10 is located the expansion section 16, the air outlet 11 is located the advection section 17, the expansion section 16 is a circular truncated cone cylinder, the advection section 17 is a cylinder, and the cover area to the bearing housing 3 when the normal temperature air discharge air outlet 11 can be enlarged through the expansion section 16, increases the cooling efficiency of the normal temperature air to the bearing housing 3, and the advection section 17 plays a role in guiding the normal temperature air, reduces the amount of emission of the normal temperature air when not reaching the bearing housing 3, and improves the cooling efficiency.
As shown in fig. 1, the air inlet pipe 7 is preferably provided with a dust screen 14, and the dust in the normal temperature air is reduced by the dust screen 14 to enter the air cooling cylinder 5, so as to avoid affecting the cooling effect of the bearing seat 3.
As shown in fig. 1, preferably, the air outlet pipe 8 is provided with an exhaust fan 15, that is, the exhaust fan 15 enables the hot air in the air cooling cylinder 5 to be rapidly exhausted, so as to improve the cooling efficiency.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a dust exhausting fan's built-in forced air cooling structure, includes the fan main part, be provided with the bearing frame in the cavity of fan main part, rotate on the bearing frame and be connected with the pivot, be connected with driving motor, its characterized in that in the pivot: the fan is characterized in that an air cooling mechanism is arranged in the cavity of the fan main body and comprises a closed air cooling cylinder, the bearing seat is located in the air cooling cylinder, an air cooling fan is arranged at one end, located in the air cooling cylinder, of the rotating shaft, and an air inlet pipe and an air outlet pipe are arranged between the air cooling cylinder and the outside.
2. The built-in air cooling structure of the dust removal fan according to claim 1, characterized in that: be provided with between intake pipe and the air-cooled fan axial both ends and be open-ended air-cooled cover, wherein be close to the bearing frame be the gas outlet, keep away from the bearing frame be the air inlet, the gas outlet is towards the bearing frame, the intake pipe is connected to the air inlet.
3. The built-in air cooling structure of the dust removal fan as set forth in claim 2, wherein: the air cooling fan is characterized in that a plurality of vortex fan blades are circumferentially and uniformly distributed on the air cooling fan, the plurality of vortex fan blades surround to form an air exhaust cavity, and one end of the air inlet pipe connected with the air cooling cover extends into the air exhaust cavity.
4. The built-in air cooling structure of a dust removal fan according to claim 3, characterized in that: the air cooling cover comprises an expansion section and a advection section, the air inlet is located in the expansion section, the air outlet is located in the advection section, the expansion section is in a circular truncated cone shape, and the advection section is in a cylindrical shape.
5. The built-in air cooling structure of the dust removal fan as set forth in claim 4, wherein: and the air inlet pipe is provided with a dust screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120309572.3U CN215171066U (en) | 2021-02-03 | 2021-02-03 | Dust exhausting fan's built-in forced air cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120309572.3U CN215171066U (en) | 2021-02-03 | 2021-02-03 | Dust exhausting fan's built-in forced air cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215171066U true CN215171066U (en) | 2021-12-14 |
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ID=79409842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120309572.3U Active CN215171066U (en) | 2021-02-03 | 2021-02-03 | Dust exhausting fan's built-in forced air cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215171066U (en) |
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2021
- 2021-02-03 CN CN202120309572.3U patent/CN215171066U/en active Active
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