CN212806716U - Closed cooling tower with fan cover cylinder - Google Patents
Closed cooling tower with fan cover cylinder Download PDFInfo
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- CN212806716U CN212806716U CN202021636797.1U CN202021636797U CN212806716U CN 212806716 U CN212806716 U CN 212806716U CN 202021636797 U CN202021636797 U CN 202021636797U CN 212806716 U CN212806716 U CN 212806716U
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- thick bamboo
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Abstract
The utility model relates to a closed cooling tower with fan cover section of thick bamboo, it includes the tower body and erects two fans on the tower body top, and the sliding sleeve is equipped with a cover section of thick bamboo on the fan shell, and the uncovered setting in bottom of a cover section of thick bamboo seals the setting in the top of a cover section of thick bamboo, has seted up a plurality of ventilation hole on the lateral wall of a cover section of thick bamboo. The cooling tower has the effect of reducing the possibility that sundries and sand blown into the cooling tower.
Description
Technical Field
The application relates to the field of closed cooling towers, in particular to a closed cooling tower with a fan cover cylinder.
Background
The closed cooling tower arranges the tubular heat exchanger in the tower, and utilizes circulated air, spray water and circulating water to carry out heat exchange so as to ensure the cooling effect. The cooling is carried out in a closed circulation mode, so that the water quality of cooling water can be prevented from being polluted, the efficient operation of main equipment is guaranteed, and the service life of the equipment is prolonged.
In current closed cooling tower, generally be provided with the fan on the top, through the air escape with in the closed cooling tower, drive the air and flow, utilize the air current to cool off the cooling water in the closed cooling tower.
With respect to the related art in the above, the inventors consider that: because the fan sets up on the top of closed cooling tower, debris and sand blown by the wind get into the cooling tower from the opening part of fan easily, cause the pollution to the inside environment of cooling tower, influence the cooling tower and normally work.
SUMMERY OF THE UTILITY MODEL
In order to reduce the possibility that debris and sand blown by the wind get into the cooling tower, the application provides a closed cooling tower with a fan cover section of thick bamboo.
The application provides a closed cooling tower with a fan cover section of thick bamboo adopts following technical scheme:
the utility model provides a closed cooling tower with fan cover section of thick bamboo, includes the tower body and erects two fans on the tower body top, sliding sleeve is equipped with a cover section of thick bamboo on the fan shell, the uncovered setting in bottom of a cover section of thick bamboo, the top of a cover section of thick bamboo seals the setting, has seted up a plurality of ventilation hole on the lateral wall of a cover section of thick bamboo.
By adopting the technical scheme, after the fan is started, the wind blown out upwards by the fan pushes the cover cylinder to slide upwards until the vent hole is higher than the top end of the fan shell, and at the moment, the wind blown out by the fan can flow out through the vent hole; when the fan does not operate, the cover cylinder covers the top end of the fan shell under the action of gravity, and one end, facing to the axis of the cover cylinder, of the vent hole is blocked by the side wall of the fan shell, so that the possibility that external sundries or sand and dust enter the cooling tower is reduced, the possibility that the internal environment of the cooling tower is polluted is reduced, and the cooling tower can normally work.
Preferably, a plurality of pulleys are arranged on the inner wall of the cover cylinder in a rotating frame mode and are evenly distributed along the circumferential direction of the cover cylinder, and the cover cylinder is in sliding fit with the shell of the fan through the pulleys.
Through adopting above-mentioned technical scheme, the cover section of thick bamboo offsets with the fan shell through the pulley, and the pulley can reduce the frictional force when relative slip between cover section of thick bamboo and the fan shell, guarantees that the cover section of thick bamboo can upwards slide smoothly when the fan moves.
Preferably, the outer side wall of the fan is provided with a guide groove along the vertical direction, the side surface of the pulley is provided with a guide ring, and one side of the guide ring back to the axis of the pulley is attached to the inner wall of the guide groove.
Through adopting above-mentioned technical scheme, utilize guiding groove and guide ring cooperation, can hinder a cover section of thick bamboo around fan circumference rotation, and then reduce a cover section of thick bamboo and the possibility that fan shell takes place wearing and tearing.
Preferably, the pulleys are at least provided with two groups, and the multiple groups of pulleys are arranged along the axial direction of the cover cylinder.
Through adopting above-mentioned technical scheme, set up two sets of pulleys at least, can reduce the cover section of thick bamboo and incline the possibility when sliding along fan axis direction, and then reduce the cover section of thick bamboo slope, and with the possibility of fan shell chucking.
Preferably, the top end of the fan shell is provided with a limiting block for blocking the pulley from sliding upwards.
Through adopting above-mentioned technical scheme, set up the stopper on the top of fan shell, the stopper can upwards slide through hindering the pulley, hinders a cover section of thick bamboo and breaks away from the fan shell to improve the safety in utilization of a cover section of thick bamboo.
Preferably, a rubber pad is arranged on the bottom surface of the limiting block.
Through adopting above-mentioned technical scheme, set up the rubber pad on the bottom surface of stopper, when the cover section of thick bamboo upwards slides, the rubber pad can alleviate the impact between stopper and the pulley, reduces the possibility that stopper and pulley damaged.
Preferably, the cover plate used for covering the vent hole is arranged on the outer side wall of the cover cylinder in a rotating frame mode, the rotating axis of the cover plate is arranged in the horizontal direction, and the rotating axis of the cover plate is higher than the top end of the inner wall of the vent hole.
By adopting the technical scheme, when the fan operates, the cover plate is blown up by flowing air flow, and the air flow can smoothly flow out; when the fan does not operate, the apron is laminated with the lateral surface of cover section of thick bamboo under the effect of self gravity to cover the ventilation hole, can reduce rainwater or debris and pass through the inside possibility of ventilation hole entering cover section of thick bamboo.
Preferably, the top surface of the cover cylinder is an outer convex arc surface.
By adopting the technical scheme, the top surface of the cover cylinder is set to be the convex arc surface, the possibility of accumulating sundries or rainwater on the top surface of the cover cylinder can be reduced, and the cover cylinder can be smoothly pushed up by airflow blown by the fan.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the cover barrel with the vent holes is arranged, so that the effect of reducing the possibility that sundries and wind sand enter the cooling tower can be achieved;
2. by arranging the guide groove and the guide ring, the effect of reducing the possibility of abrasion between the cover cylinder and the fan shell can be achieved;
3. through setting up the pulley at least two sets ofly, can play the effect that reduces the possibility of cover section of thick bamboo and fan shell chucking.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic view of a connection structure of a fan and a cover cylinder in an embodiment of the present application;
fig. 3 is an enlarged view of a in fig. 2.
Description of reference numerals: 1. a tower body; 11. a fan; 111. a guide groove; 112. a limiting block; 113. a rubber pad; 12. an air inlet hole; 121. louver blades; 2. a cover cylinder; 21. a vent hole; 22. a cover plate; 23. a yielding groove; 24. a side plate; 25. a pulley; 251. a guide ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses closed cooling tower with a fan cover cylinder. Referring to fig. 1, the closed cooling tower with the fan cover cylinder comprises a tower body 1 and two fans 11 bolted to the top end of the tower body 1, wherein a cover cylinder 2 is sleeved on an outer shell of each fan 11 in a sliding mode, and the cover cylinder 2 is in sliding fit with the outer shell of each fan 11 in the vertical direction. The top end of the cover cylinder 2 is closed, and the bottom end is opened.
Referring to fig. 1, two air inlet holes 12 are formed at the bottom end of the side surface of the fan 11, a plurality of louvers 121 are bolted to the side wall of the air inlet holes 12, and the louvers 121 are uniformly arranged along the vertical direction. When the fan 11 is operated, the fan 11 draws in outside air from the air inlet 12 and flows out from the top end of the fan 11, and the flowing air is used for cooling liquid to be cooled in the cooling tower.
Referring to fig. 2, four vent holes 21 are formed at the top end of the side surface of the cover cylinder 2, the four vent holes 21 are uniformly arranged around the circumference of the cover cylinder 2, and the opening shape of each vent hole 21 is circular. Four pairs of ear plates are welded on the outer side surface of the cover cylinder 2, each pair of ear plates corresponds to one vent hole 21, each pair of ear plates is positioned above the corresponding vent hole 21, and a connecting line between the two ear plates in the same pair is arranged along the horizontal direction.
Referring to fig. 2, a cover plate 22 is arranged on the rotating frame between each pair of ear plates, the rotation axis of the cover plate 22 is arranged along the horizontal direction, and an abdicating groove 23 for rotating the top end of the cover plate 22 is formed on the outer side surface of the cover cylinder 2. The cover plate 22 is an arc-shaped plate, and when the cover plate 22 is attached to the housing 2, the axis of the cover plate 22 coincides with the axis of the housing 2. When the fan 11 operates, the airflow blown out by the fan 11 passes through the vent hole 21 and blows up the cover plate 22, so that the airflow can smoothly flow out of the vent hole 21; when the fan 11 stops operating, the cover plate 22 naturally droops, so that the possibility that external impurities enter the cover cylinder 2 can be reduced.
Referring to fig. 2, the top surface of the cover cylinder 2 is an outward convex arc surface, and the axis of the outward convex arc surface coincides with the axis of the cover cylinder 2. Sundries or rainwater falling to the top surface of the cover cylinder 2 can slide along the top surface of the cover cylinder 2, so that the possibility of accumulation of the sundries on the top surface of the cover cylinder 2 is reduced, and the cover cylinder 2 can smoothly slide upwards when being blown by airflow blown by the fan 11.
Referring to fig. 3, four pairs of side plates 24 are welded to the inner wall of the jacket barrel 2, the four pairs of side plates 24 are uniformly arranged along the circumferential direction of the jacket barrel 2, and each side plate 24 is arranged in the vertical direction. Two pulleys 25 are arranged between the two side plates 24 in the same pair, the two pulleys 25 are arranged in the vertical direction, and the axis of each pulley 25 is arranged in the horizontal direction. The shroud 2 is in sliding engagement with the side wall of the housing of the fan 11 via respective pulleys 25.
Referring to fig. 3, the side surfaces of the two pulleys 25 are integrally formed with an annular guide ring 251, and the cross-sectional shape of the guide ring 251 is an isosceles triangle.
Referring to fig. 3, four guide grooves 111 are formed in the outer wall of the casing of the fan 11 corresponding to the four pairs of side plates 24, and the four guide grooves 111 are arranged in the vertical direction. The top end of the guide groove 111 is communicated with the top surface of the shell of the fan 11, and the bottom end of the guide groove 111 is arranged in a closed mode. When the cover cylinder 2 is mounted, the two pulleys 25 of the same pair abut against the groove walls of the same guide groove 111 via the guide ring 251.
Referring to fig. 3, a stopper 112 is bolted to the top end of each guide groove 111, and a rubber pad 113 is glued to the bottom surface of the stopper 112. When the cover cylinder 2 slides upwards, the limiting block 112 blocks the top pulley 25 through the rubber pad 113 to prevent the cover cylinder 2 from being separated from the shell of the fan 11, so that the use safety of the cover cylinder 2 can be improved.
The implementation principle of the closed cooling tower with the fan cover cylinder in the embodiment of the application is as follows: when the cooling tower is in operation, after the fan 11 is started, the wind blown by the fan 11 pushes the cover cylinder 2 to slide upwards, and the airflow flows out from the vent hole 21. Can flow out through the vent hole 21; when the fan 11 does not operate, the cover cylinder 2 covers the top end of the shell of the fan 11 under the action of gravity, one end, facing the axis of the cover cylinder 2, of the vent hole 21 is blocked by the side wall of the shell of the fan 11, and external sundries or sand and dust are not easy to enter the tower body 1, so that the possibility of pollution of the internal environment of the cooling tower is reduced, and the cooling tower can normally work.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a closed cooling tower with fan cover section of thick bamboo which characterized in that: including tower body (1) and two fan (11) of erectting on tower body (1) top, sliding sleeve is equipped with a cover section of thick bamboo (2) on fan (11) shell, the uncovered setting in bottom of a cover section of thick bamboo (2), the top of a cover section of thick bamboo (2) seals the setting, has seted up a plurality of ventilation hole (21) on the lateral wall of a cover section of thick bamboo (2).
2. The closed cooling tower with fan shroud of claim 1, wherein: the inner wall of the cover cylinder (2) is provided with a plurality of pulleys (25) in a rotating frame mode, the pulleys (25) are evenly distributed along the circumferential direction of the cover cylinder (2), and the cover cylinder (2) is in sliding fit with a shell of the fan (11) through the pulleys (25).
3. The closed cooling tower with a fan shroud according to claim 2, wherein: the outer side wall of the fan (11) is provided with a guide groove (111) in the vertical direction, the side face of the pulley (25) is provided with a guide ring (251), and one side of the guide ring (251) back to the axis of the pulley (25) is attached to the inner wall of the guide groove (111).
4. The closed cooling tower with a fan shroud according to claim 2, wherein: the pulley (25) is provided with at least two groups, and the multiple groups of pulleys (25) are arranged along the axial direction of the cover cylinder (2).
5. The closed cooling tower with fan shroud of claim 1, wherein: and a limiting block (112) used for blocking the pulley (25) from sliding upwards is arranged at the top end of the shell of the fan (11).
6. The closed cooling tower with fan shroud of claim 5, wherein: the bottom surface of the limiting block (112) is provided with a rubber pad (113).
7. The closed cooling tower with fan shroud of claim 1, wherein: the cover is characterized in that a cover plate (22) used for covering the ventilation hole (21) is arranged on the outer side wall of the cover cylinder (2) in a rotating frame mode, the rotating axis of the cover plate (22) is arranged in the horizontal direction, and the rotating axis of the cover plate (22) is higher than the top end of the inner wall of the ventilation hole (21).
8. The closed cooling tower with fan shroud of claim 1, wherein: the top surface of the cover cylinder (2) is an outward convex arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021636797.1U CN212806716U (en) | 2020-08-07 | 2020-08-07 | Closed cooling tower with fan cover cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021636797.1U CN212806716U (en) | 2020-08-07 | 2020-08-07 | Closed cooling tower with fan cover cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN212806716U true CN212806716U (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021636797.1U Active CN212806716U (en) | 2020-08-07 | 2020-08-07 | Closed cooling tower with fan cover cylinder |
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| CN (1) | CN212806716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834347A (en) * | 2021-09-23 | 2021-12-24 | 辉承传热技术(山东)有限公司 | Dry-wet combined composite closed cooling tower |
-
2020
- 2020-08-07 CN CN202021636797.1U patent/CN212806716U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834347A (en) * | 2021-09-23 | 2021-12-24 | 辉承传热技术(山东)有限公司 | Dry-wet combined composite closed cooling tower |
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