Cooling tower exhaust device

Abstract

The utility model relates to the technical field of cooling towers, in particular to an exhaust device of a cooling tower, which is arranged on an exhaust outlet of the cooling tower, the exhaust outlet of the cooling tower is positioned at the top of a tower body of the cooling tower, the exhaust device comprises a sleeve and a cover body, the sleeve is arranged outside the cover body and rotates relative to the cover body, and the cover body is arranged on the sleeve. A scraping rod is fixedly arranged at the top of the sleeve and located at the top of the cover body, the cover body is fixedly arranged at an air outlet of the cooling tower, a ventilation hole is formed in the top of the cover body, and blades are further rotationally arranged below the cover body. The sleeve rotates to drive the scraping rod to rotate, the rotating scraping rod cleans sundries on the surface of the cover body, steam in the cooling tower is discharged through the through holes of the cover body, the steam is discharged in cooperation with the blades in the sleeve, and therefore the interior of the cooling tower is cooled.

Description

TECHNICAL FIELD

[0001] The utility model relates to cooling tower technical field, specifically is a cooling tower exhaust device. BACKGROUND

[0002] Cooling tower is through water as circulating coolant device, its cooling mode is to use water and air flow contact after cold and hot exchange produces steam, steam volatilization takes away heat.

[0003] Cooling tower includes open cooling tower and closed cooling tower, and the top of open cooling tower and closed cooling tower is equipped with opening, and it will lead to sundries (such as dust etc.) into the inside of cooling tower through opening, since open cooling tower has cooling water carrying waste heat, cooling water mixes sundries and is not easy to filter after, it will affect the quality of cooling water, and further affect cooling effect.

[0004] The improvement of the opening at the top of the cooling tower in the prior art is to close the opening, that is, to cover the opening with a cover, and the cover needs to be opened manually during exhaust. This closed mode is not conducive to the direct contact of water and air flow for cold and hot exchange to produce steam, and it also affects the timely emission of steam and the exhaust effect, and reduces the refrigeration effect, which affects the refrigeration efficiency to some extent and increases the labor cost. SUMMARY

[0005] The utility model discloses to solve the problem that sundries easily fall into the opening of cooling tower and the closed cover in the prior art is not conducive to cold and hot exchange and affects exhaust, and provides a cooling tower exhaust device, which can effectively exhaust the cooling tower and clean the sundries above the cover to reduce the entry of the sundries into the cooling tower.

[0006] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0007] A cooling tower exhaust device is arranged on the cooling tower exhaust port, the cooling tower exhaust port is located at the top of the cooling tower body, the exhaust device comprises a sleeve and a cover, the sleeve is arranged outside the cover and rotates relative to the cover, a scraper rod is fixedly arranged at the top of the sleeve, the scraper rod is located at the top of the cover, the cover is fixedly arranged at the cooling tower exhaust port, a ventilation hole is formed in the top of the cover, and a blade is rotatably arranged below the cover. The scraper rod is used to clean the sundries on the cover, so that the exhaust device can reduce the entry of external sundries into the cooling tower, and the ventilation hole in the cover is used to discharge the steam in the cooling tower.

[0008] In a further scheme, the scraper rod is in a cross-shaped structure, and the length of the scraper rod is greater than the diameter of the cover. The diameter of the scraper rod is greater than the diameter of the bottom cover, which is conducive to cleaning the surface of the entire cover.

[0009] In a further scheme, the inside of the sleeve is provided with a shell, the sleeve rotates relative to the shell, the shell is fixedly arranged at the top of the cooling tower air outlet, and the cover body is fixedly connected with the shell. The shell provides support for the sleeve and also serves as the track for the movement of the sleeve.

[0010] In a further scheme, the inside of the sleeve is provided with a convex structure one, the bottom of the convex structure one is provided with a groove, and the top of the shell is provided with a convex structure two matched with the groove. The sleeve is connected with the shell through the convex structure one, and the groove at the bottom of the convex structure one and the convex structure two of the shell are matched to realize the rotation therebetween.

[0011] In a further scheme, the convex structure two at the top of the shell is fixedly connected with a roller frame, the roller frame is rotatably connected with a roller, and the sleeve rotates along the roller through the groove at the bottom of the convex structure one. The roller prevents the sleeve from being stuck when moving on the shell, and the roller frame is embedded in the groove of the sleeve to prevent position deviation during rotation.

[0012] In a further scheme, a plurality of through grooves are arranged on the sleeve, a plurality of through grooves are also arranged on the shell, and the positions of the through grooves on the sleeve correspond to those on the shell. The through grooves on the sleeve and the shell are used to adjust the steam discharge amount to control the cooling effect of the cooling tower.

[0013] In a further scheme, a first support frame and a second support frame are fixedly connected to the inside of the shell from top to bottom, and an air outlet rotating assembly is also fixedly arranged between the first support frame and the second support frame. The first support frame and the second support frame can limit and fix the air outlet rotating assembly.

[0014] In a further scheme, the air outlet rotating assembly includes a rod body, the rod body is fixedly connected at the top to the middle of the scraper rod through the cover body, and the rod body is connected at the bottom with a blade. The rotation of the rod body drives the rotation of the scraper rod and the cylinder, the scraper rod is used to clean the debris on the top of the cover body, and the blade at the bottom of the rod body also rotates to clean the debris on the top of the cover body while the air is discharged.

[0015] In a further scheme, a worm gear is rotatably connected to the middle of the rod body, a worm is arranged on one side of the worm gear, a protective shell is arranged outside the worm gear and the worm, and two shafts are fixedly connected to the ends of the worm, and one end of one of the shafts is also connected with the output shaft of the motor. The protective shell provides support for the connection between the shaft and the worm, and also prevents the worm gear and the worm from rusting due to water vapor.

[0016] In a further scheme, the lower part of the rod body is fixedly connected with a fan shroud, a hub is fixedly connected between the fan shroud and the worm wheel, the hub is fixed with a connecting block, and the connecting block is connected with a blade.

[0017] Through the above technical scheme, the utility model has the advantages that:

[0018] When the utility model is used, the staff starts the device to run, the sleeve and the fixedly connected scraping rod at the top thereof rotate, the rotating scraping rod sweeps the sundries on the surface of the cover body, the steam in the cooling tower is discharged through the through hole at the top of the cover body, the blade inside the sleeve accelerates the steam discharge, and thus the cooling tower is cooled.

[0019] In a further scheme, the inside of the rotating sleeve is provided with a convex structure one, a groove is formed in the bottom of the convex structure one, and the groove is matched with a convex structure two at the top of the shell to realize relative rotation. Further, the shell top convex structure two is fixedly provided with a roller, the roller moves in the groove, and the roller enables the sleeve to rotate on the shell, preventing the sleeve from being stuck during rotation.

[0020] In a further scheme, the motor drives the rotating shaft to rotate, the rotating shaft drives the worm to rotate, the rotating worm drives the turbine to rotate, the turbine is inserted with the positioning member on the rod body, and thus the rod body is driven to rotate. When the rod body rotates, the scraping rod at the top and the blade at the bottom rotate at the same time, and the sleeve connected to the outer end of the scraping rod also rotates along the shell. Thus, one power source can realize the cooling tower exhaust device to discharge air and sweep the sundries on the top of the cover body at the same time, saving manpower and energy to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 Structure diagram of the cooling tower exhaust device of the utility model Figure 1 .

[0022] Figure 2 Structure diagram of the cooling tower exhaust device of the utility model Figure 2 .

[0023] Figure 3 Structure diagram of the cooling tower exhaust device of the utility model Figure 3 (Motor and rotating shaft are not shown).

[0024] Figure 4 Structure diagram of the exhaust rotating assembly of the cooling tower exhaust device of the utility model.

[0025] Figure 5The utility model discloses a cooling tower exhaust device Figure 2 The A place large sample drawing of.

[0026] Figure 6 The structure diagram of the cooling tower exhaust device of the utility model Figure 4 (The cover, the cooling tower body, the motor and the rotating shaft are not shown).

[0027] The sign in the drawing is:

[0028] 1-cooling tower body, 2-cooling tower exhaust port;

[0029] 311-sleeve, 312-cover, 313-scraping rod, 321-housing, 321A-roller frame, 321B-roller, 322-first support frame, 323-second support frame, 324-shield;

[0030] 4-exhaust rotating assembly, 41-rod body, 42-fan flow guide cover, 43-round plate, 44-hub, 45-connection block, 46-vane, 47-first special-shaped vertical plate, 48-vertical plate, 49-limiting piece, 50-motor, 51-rotating shaft, 52-worm, 53-worm wheel. Specific implementation

[0031] The utility model will be further explained in connection with the drawings and specific implementation:

[0032] As Figures 1-6 Shown, the cooling tower exhaust device provided by the embodiment, the exhaust device sets up on the cooling tower exhaust port 2, the cooling tower exhaust port 2 is located at the top of cooling tower body 1, the exhaust device includes sleeve 311 and cover 312, the sleeve 311 sets up in cover 312 outside and sleeve 311 relative cover 312 rotates, the top of sleeve 311 is fixedly provided with scraping rod 313, the scraping rod 313 is located at the top of cover 312, the outer end of scraping rod 313 and the top of sleeve 311 are connected by bolt fixing, the cover 312 is fixedly set at the cooling tower exhaust port 2, and the top of cover 312 is provided with a vent hole, the cover 312 is provided with a through hole for the steam in the cooling tower to be discharged, and the cover 312 is also provided with a vane 46 below the cover 312, the vane 46 is used to blow the steam in the cooling tower to the cooling tower exhaust port 2, so that the cooling tower is cooled.

[0033] As Figure 1 And Figure 6As shown, the scraper 313 is a cross-shaped structure, and the length of the scraper 313 is greater than the diameter of the cover 312. Specifically, the scraper 313 is directly attached to the cover 312, and when the scraper 313 rotates, the rotation area formed by the scraper 313 completely covers the top surface of the cover 312, facilitating the cleaning of the surface of the cover 312 when the scraper 313 rotates.

[0034] As shown in Figure 2 , Figure 3 and Figure 6 , the sleeve 311 is provided with a housing 321 inside, the sleeve 311 rotates relative to the housing 321, and the housing 321 is fixedly arranged at the top of the cooling tower exhaust port 2. Specifically, a circular ring is fixed on the inner side wall of the cooling tower exhaust port 2, and a cover 324 is further arranged below the housing 321. The outer edge of the top of the cover 324 is installed between the top of the circular ring and the bottom of the housing 321, and the cover 312 is fixedly connected with the housing 321. Specifically, the housing 321 is a cylindrical structure with a vertical cross-section in the shape of a step, and the diameter of the lower cylindrical structure is smaller than that of the upper cylindrical structure. At the same time, the diameter of the lower cylindrical structure is also smaller than the diameter of the opening of the cooling tower exhaust port 2. The lower cylindrical structure of the housing 321 is embedded into the inner side of the opening of the cooling tower exhaust port 2 for fixed connection.

[0035] As shown in Figure 2 , Figure 3 and Figure 5 , the inside of the sleeve 311 is provided with a protruding structure one, and the bottom of the protruding structure one is provided with a groove. The top of the housing 321 is provided with a protruding structure two matched with the groove. Specifically, the depth of the groove on the sleeve 311 is greater than the protruding part of the protruding structure two of the housing 321, and the protruding structure two of the housing 321 has a limiting effect on the sleeve 311.

[0036] As shown in Figure 2 , Figure 3 and Figure 5 , the protruding structure two on the top of the housing 321 is fixedly connected with a roller frame 321A, and the roller frame 321A is rotatably connected with a roller 321B. The sleeve 311 moves along the roller 321B through the groove at the bottom of the protruding structure one. Specifically, the width of the roller frame 321A is consistent with the width of the protruding structure two of the housing 321, and the roller frame 321A and the roller 321B are embedded into the groove at the bottom of the protruding structure one, and the sleeve 311 moves along the roller frame 321A and the roller 321B.

[0037] As shown in Figures 1-6As shown, the sleeve 311 is provided with a plurality of through slots, the through slots are vertical rectangles, and a stainless steel mesh is fixedly arranged in the through slots, the mesh is used to prevent floating debris in the air from entering the cooling tower, the shell 321 is also provided with a plurality of through slots, the through slots on the sleeve 311 correspond to the through slots on the shell 321 in position, the length and width of the through slots on the shell 321 are smaller than those of the through slots on the sleeve 311, and the center points of the through slots on the shell 321 correspond to the center points of the through slots on the sleeve 311, specifically, in the use process, when the through slots of the sleeve 311 correspond to the through slots of the shell 321 in position, the steam discharge amount is increased, and when the two through slots are blocked, the discharge amount is reduced.

[0038] As shown in Figure 2 , Figure 3 and Figure 6 , the inside of the shell 321 is fixedly connected with a first support frame 322 and a second support frame 323 from top to bottom, and an exhaust rotating assembly 4 is fixedly arranged between the first support frame 322 and the second support frame 323. Specifically, the first support frame 322 is fixedly arranged on the step formed by the trapezoidal structure in the shell 321, the two ends of the second support frame 323 are fixedly connected with the bottom of the inside of the shell 321, and the bottom surface of the second support frame 323 also contacts with the top surface of the cover body 324.

[0039] As shown in Figure 2 and Figure 3 , the exhaust rotating assembly 4 comprises a rod body 41, the top of the rod body 41 is fixedly connected to the middle of the scraper rod 313 through the cover body 312, and the bottom of the rod body 41 is connected with a blade 46. Specifically, the rod body 41 penetrates the middle of the first support frame 322 and the second support frame 323, and the first support frame 322 and the second support frame 323 limit the rod body 41 to a certain extent, preventing the rod body 41 from shaking when the blade 46 rotates.

[0040] As shown in Figures 1-6 , the middle of the rod body 41 is rotatably connected with a worm gear 53, the connection between the rod body 41 and the worm gear 53 is fixedly connected with a limiting piece 49, the worm gear 53 is provided with a through hole one with the same shape and size as the limiting piece 49, the limiting piece 49 is inserted into the through hole one of the worm gear 53, and when the worm gear 53 rotates, the limiting piece 49 drives the rod body 41 to rotate, and the worm gear 53 is located between the first support frame 322 and the second support frame 323.

[0041] One side of the worm gear 53 is provided with a worm 52, and a protective shell is arranged outside the worm gear 53 and the worm 52;

[0042] The protective shell comprises a first special-shaped vertical plate 47, a vertical plate 48 and a horizontal plate, the first special-shaped vertical plate 47 is a pair of plates with a semicircular middle part and straight ends, the top and bottom of the space surrounded by the first special-shaped vertical plate 47 and the vertical plate 48 are shielded by the horizontal plate, the worm gear 53 is installed between the semicircular middle parts of the first special-shaped vertical plate 47, the radius of the worm gear 53 is smaller than that of the semicircular middle part of the first special-shaped vertical plate 47, the vertical plate 48 is fixedly connected to the two ends of the first special-shaped vertical plate 47, the horizontal plate is used for shielding the top and bottom of the protective shell, and two through holes are formed in the middle of the horizontal plate for the rod body 41 to pass through, three through holes are formed in the straight ends of the first special-shaped vertical plate 47, and four through holes are formed in the straight ends of the first special-shaped vertical plate 47, the three through holes are used normally, and the four through holes are used as backup;

[0043] The two ends of the worm 52 are also fixedly connected with shafts 51, one end of one of the shafts 51 is also connected with the output shaft of the motor 50, the three through holes are used for the shafts 51 to be inserted, the four through holes are sealed by using rubber plugs or other sealing materials in the case of not being used, so that water vapor is prevented from entering, the worm 52 is arranged between the straight ends of the first special-shaped vertical plate 47, the worm 52 is arranged at the three through holes, the shaft 51 penetrates through the three through holes, penetrates through the cooling tower air outlet 2 and the shell 321 and is connected with the output shaft of the motor 50, and the motor 50 provides a power source for the shaft 51.

[0044] As shown in Figure 2 、 Figure 3 、 Figure 4 and Figure 6 , the lower part of the rod body 41 is fixedly connected with a fan flow guide cover 42, the fan flow guide cover 42 is fixedly connected with a hub 44 between the fan flow guide cover 42 and the worm gear 53, the hub 44 is fixedly connected with a connecting block 45, and the connecting block 45 is connected with a blade 46. Specifically, the connecting block 45 on the hub 44 can be disassembled and replaced, the blade 46 can rotate on the connecting block 45, the angle of the blade 46 can be adjusted, the required wind power can be adjusted by changing the angle of the blade 46.

[0045] The use mode of the utility model is as follows:

[0046] When the utility model is used, the staff starts the motor 50, the motor 50 drives the connected shafts 51 to rotate, the shafts 51 are connected with the worm 52, the worm 52 rotates under the action of the shafts 51, the worm 52 drives the worm gear 53 to rotate, the worm gear 53 drives the rod body 41 to rotate through the limiting piece 49 on the rod body 41, the hub 44 connected to the bottom part also rotates when the rod body 41 rotates, and the rotating hub 44 drives the blade 46 on the connecting block 45 to rotate.

[0047] When the rod body 41 rotates, the scraper rod 313 connected to the top part also rotates, and the scraper rod 313 drives the connected cylinder to rotate;

[0048] When the scraper 313 rotates, the sundries on the surface of the cover 312 at the bottom are cleaned. Meanwhile, the scraper 313 drives the sleeve 311 to rotate. The protruding structure one on the inner wall of the sleeve 311 rotates along the protruding structure two at the top of the shell 321. Since the protruding structure one is provided with a through groove, the protruding structure two at the top of the shell 321 is provided with a roller 321B, and the through groove is used as a track of the roller 321B. The rotating sleeve 311 rotates on the roller 321B at the top of the shell 321, which increases the stability of the rotation of the sleeve 311 to a certain extent. When the sleeve 311 rotates, the through groove on the barrel body continuously coincides with the through groove on the shell body of the shell 321. When the through grooves coincide, the airflow inside the cooling tower contacts the outside and discharges steam, thereby playing a role in cooling the cooling tower. The iron mesh on the through groove on the shell body of the shell 321 is used to block sundries. The connecting block 45 is used to adjust the angle of the blade 46. Different angles bear different wind resistance. The smaller the wind resistance, the greater the wind speed and wind force generated. Conversely, the greater the wind resistance, the smaller the wind speed and wind force generated. It is used to control the discharge speed of the internal airflow. The cover 324 is used to reduce the noise generated when the exhaust rotating assembly 4 rotates.

[0049] The above-mentioned embodiments are only preferred embodiments of the present application, and do not limit the scope of the present application. Therefore, equivalent changes or modifications made according to the structure, features and principles described in the patent range of the present application should be included in the patent range of the present application.

Claims

1. A cooling tower exhaust air device, characterized by, The exhaust device (3) is arranged on the cooling tower exhaust port (2), the cooling tower exhaust port (2) is located at the top of the cooling tower tower body (1), the exhaust device (3) includes a sleeve (311) and a cover (312), the sleeve (311) is arranged outside the cover (312), and the sleeve (311) rotates relative to the cover (312); the top of the sleeve (311) is fixedly provided with a scraping rod (313), the scraping rod (313) is located at the top of the cover (312), the cover (312) is fixedly arranged at the cooling tower exhaust port (2), a ventilation hole is formed in the top of the cover (312), and a blade (46) is further rotatably arranged below the cover (312).

2. A cooling tower exhaust device according to claim 1, wherein The scraping rod (313) is a cross-shaped structure, and the length of the scraping rod (313) is greater than the diameter of the cover (312).

3. A cooling tower exhaust device according to claim 1, wherein The inside of the sleeve (311) is provided with a shell (321), the sleeve (311) rotates relative to the shell (321), the shell (321) is fixedly arranged at the top of the cooling tower exhaust port (2), and the cover (312) is fixedly connected with the shell (321).

4. A cooling tower exhaust device according to claim 3, wherein The inside of the sleeve (311) is provided with a convex structure one, a groove is formed in the bottom of the convex structure one, and a convex structure two matched with the groove is arranged at the top of the shell (321).

5. A cooling tower exhaust apparatus according to claim 4, wherein The convex structure two at the top of the shell (321) is fixedly connected with a roller frame (321A), a roller (321B) is rotatably connected to the roller frame (321A), and the sleeve (311) rotates along the roller (321B) through the groove in the bottom of the convex structure one.

6. A cooling tower exhaust apparatus according to claim 3, wherein A plurality of through grooves are formed in the sleeve (311) and the shell (321), and the positions of the through grooves in the sleeve (311) correspond to the positions of the through grooves in the shell (321).

7. A cooling tower exhaust device according to claim 3, wherein First and second support frames (322) and (323) are fixedly connected to the inside of the shell (321) from top to bottom, and an exhaust rotating assembly (4) is further fixedly arranged between the first and second support frames (322) and (323).

8. A cooling tower exhaust device according to claim 7, wherein The exhaust rotating assembly (4) comprises a rod body (41), the top of the rod body (41) penetrates through the cover (312) to be fixedly connected to the middle of the scraping rod (313), and the bottom of the rod body (41) is connected with the blade (46).

9. A cooling tower exhaust apparatus according to claim 8, wherein A worm wheel (53) is rotatably connected to the middle of the rod body (41), a worm (52) is arranged on one side of the worm wheel (53), a protection shell is arranged outside the worm wheel (53) and the worm (52), and the two ends of the worm (52) are further fixedly connected with shafts (51); one end of one of the shafts (51) is further connected with the output shaft of a motor (50).

10. A cooling tower exhaust apparatus according to claim 9, wherein A fan flow guide cover (42) is fixedly connected to the lower part of the rod body (41), a hub (44) is fixedly connected between the fan flow guide cover (42) and the worm wheel (53), the hub (44) is fixedly provided with a connecting block (45), and the connecting block (45) is connected with the blade (46).

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