Bottom blower device for countercurrent closed cooling tower

By designing a countercurrent closed cooling tower bottom blower device with protective shells and cylinders, the problems of device shaking, difficulty in repairing, and high noise are solved, and the effective protection of the fan and the stability of the cooling tower are improved.

CN222257787UActive Publication Date: 2024-12-27CHENGDU CHAOHAO REFRIGERATION TECH CO LTD
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Patent Information

Application Number
CN202420886745.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-26
Publication Date
2024-12-27
Estimated Expiration
2034-04-26

AI Technical Summary

Technical Problem

The blower device of the existing countercurrent closed cooling tower is easy to shake during operation and is difficult to disassemble and repair. The motor is easily damaged when exposed to the bottom of the cooling tower, and it is very noisy, which affects service life and applicability.

Method used

A bottom blower device including protective shell, cylinder, slider, slider, connecting frame, screw hole and sound insulation cotton is designed. The fan is lifted and replaced by telescopic cylinders and disassembly of the connecting frame. The protective shell and sound insulation are achieved. Cotton absorbs noise and supports legs to prevent shaking.

Benefits of technology

Effectively protect the fan from external forces, improves maintenance and service life, reduces noise, and enhances the stability and working efficiency of the cooling tower.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bottom blower device for a countercurrent closed cooling tower, which relates to the technical field of bottom blower devices for countercurrent closed cooling towers, and comprises a cooling tower, support legs and a protective shell, the cooling tower is provided with an air inlet hole, the protective shell is fixedly connected to the outer wall of the air inlet hole, a blower device is arranged in the protective shell, and the air inlet hole is communicated with the air inlet hole. The blower device comprises a fan, a protection assembly for protecting the blower device is arranged on the outer wall of the cooling tower, the protection assembly comprises an air cylinder, one side of the air cylinder is fixedly connected with the outer wall of the cooling tower, and a sliding groove is formed in the outer wall of the cooling tower. Through mutual cooperation of the air inlet hole, the protective shell, the air cylinder, the sliding groove, the sliding block, the moving block, the first connecting frame, the second connecting frame, the positioning groove and the inserting column, the protective shell can protect the fan, and the situation that the fan is possibly damaged due to external force after being exposed to the bottom of the cooling tower for a long time is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of bottom blast devices for countercurrent closed cooling towers, in particular to a bottom blast device for countercurrent closed cooling towers. Background Art

[0002] A cooling tower is a device that uses water as a circulating coolant to absorb heat from a system and discharge it into the atmosphere to lower the water temperature. It uses the heat exchange between water and air flow to generate steam. The steam evaporates and takes away the heat to achieve the principles of evaporative heat dissipation, convection heat transfer and radiation heat transfer. It dissipates the waste heat generated in industry or refrigeration and air conditioning to lower the water temperature through evaporative heat dissipation to ensure the normal operation of the system. The device is generally barrel-shaped, hence the name cooling tower.

[0003] The countercurrent closed cooling tower is a type of cooling tower. A blower is installed on the countercurrent closed cooling tower. The existing motor will cause the cooling tower to shake during operation, which will affect its service life for a long time. It is difficult to disassemble and repair the fan after it is damaged, which brings trouble to the maintenance personnel and reduces the applicability of the blower. In addition, the motor is exposed to the bottom of the cooling tower for a long time, which may be damaged by external force and the motor cannot be protected. Utility Model Content

[0004] The utility model aims to provide a bottom blast device for a countercurrent closed cooling tower to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] The cooling tower according to claim 1, wherein the cooling tower has an air inlet, an outer wall of the air inlet is fixedly connected to the protective shell, and an air blowing device is arranged inside the protective shell. The air blowing device includes a fan, and the outer wall of the cooling tower is provided with a protective assembly for protecting the air blowing device. The protective assembly includes a cylinder, one side of the cylinder is fixedly connected to the outer wall of the cooling tower, and the outer wall of the cooling tower is provided with a slide groove, the number of the slide grooves is two, a slider is slidably connected to the inside of the slide groove, a moving block is fixedly connected to one side of the slider, a first connecting frame is fixedly connected to the outer wall of the moving block, a second connecting frame is fixedly connected to one side of the protective shell, the first connecting frame and the second connecting frame are in contact, a positioning groove is arranged inside the first protective shell, a plug column is fixedly connected to the bottom of the protective shell, and the outer wall of the plug column is in contact with the inside of the positioning groove.

[0007] The above-mentioned technical scheme is adopted, in which the protective shell can protect the fan by arranging the mutual cooperation of the air inlet hole, the protective shell, the cylinder, the slide groove, the slider, the moving block, the first connecting frame, the second connecting frame, the positioning groove and the plug column, thereby preventing the fan from being damaged due to external force when exposed to the bottom of the cooling tower for a long time. By starting the cylinder, the telescopic end of the cylinder will push the moving block to drive the first connecting frame, the second connecting frame and the protective shell to rise and fall through the slider inside the slide groove, which is suitable for protecting fans of different sizes.

[0008] A further improvement of the technical solution of the utility model is that screw holes are provided inside the first connecting frame and the second connecting frame, the internal threads of the screw holes are connected to bolts, and one side of the first connecting frame and the inside of the second connecting frame are detachably connected by bolts.

[0009] The above-mentioned technical solution is adopted, in which a first connecting frame, a second connecting frame, screw holes and bolts are arranged to cooperate with each other, and one side of the first connecting frame and the inside of the second connecting frame are detachably connected by bolts. The user can remove the bolts by relevant tools and then separate the first connecting frame from the second connecting frame. Then the user can replace and maintain the protective shell and the fan, thereby improving practicality.

[0010] A further improvement of the technical solution of the utility model is that a storage cavity is opened inside the protective shell, and sound insulation cotton is fixedly connected to the inner wall of the storage cavity.

[0011] The above-mentioned technical solution is adopted. In this solution, by setting the protective shell, the storage cavity and the sound insulation cotton to cooperate with each other, the sound insulation cotton can absorb the noise generated when the fan is working, avoiding the fan from generating loud noise when working, achieving the effect of reducing the noise of the fan and improving work efficiency.

[0012] A further improvement of the technical solution of the utility model is that: the outer wall of the protective shell is threadedly connected with a screw, one side of the screw is fixedly connected with a rotating wheel, and one side of the screw sequentially penetrates the interior of the protective shell and the sound insulation cotton and extends to the interior of the protective shell.

[0013] The above-mentioned technical solution is adopted. In this solution, by setting the mutual cooperation of the screw and the rotating wheel, the rotating wheel can drive the screw, the first clamping block and the second clamping block to move inside the protective shell, thereby achieving the ability to move the first clamping block and the second clamping block, thereby improving practicality.

[0014] A further improvement of the technical solution of the utility model is that: a first clamping block is fixedly connected to one side of the screw rod, a spring is fixedly connected to one side of the first clamping block, and a second clamping block is fixedly connected to one side of the spring.

[0015] By adopting the above technical solution, the first clamping block, the spring and the second clamping block cooperate with each other, and the first clamping block and the second clamping block can elastically fix the fan through the spring, thereby avoiding damage to the fan by the first clamping block and the second clamping block, and improving work efficiency.

[0016] A further improvement of the technical solution of the utility model is that: a rubber block is fixedly connected to one side of the second clamping block, and the outer wall of the rubber block is in contact with the outer wall of the fan.

[0017] By adopting the above technical solution, the rubber block and the fan are arranged to cooperate with each other, so that the rubber block can protect the fan, avoiding damage to the fan when the first clamping block and the second clamping block clamp the fan, thereby achieving the goal of protecting the fan and improving work efficiency.

[0018] A further improvement of the technical solution of the utility model is that the top of the supporting leg is fixedly connected to the bottom of the cooling tower, there are four supporting legs, an air outlet is provided on the outer wall of the cooling tower, a fixing block is fixedly connected to the top of the inner wall of the cooling tower, and a guide plate is fixedly connected to the outer wall of the fixing block.

[0019] By adopting the above technical solution, the support legs and the air outlet are arranged to cooperate with each other, so that the support legs can support the cooling tower, avoiding the shaking of the cooling tower during operation, achieving the goal of supporting the cooling tower and improving work efficiency.

[0020] Due to the adoption of the above technical scheme, the technical progress achieved by the utility model compared with the prior art is: by setting the first connecting frame, the second connecting frame, the screw holes and the bolts to cooperate with each other, one side of the first connecting frame and the inside of the second connecting frame are detachably connected by bolts, the user can remove the bolts by relevant tools, and then separate the first connecting frame and the second connecting frame, and then the user can replace and maintain the protective shell and the fan, thereby improving practicality.

[0021] 1. The utility model provides a bottom blast device for a countercurrent closed cooling tower. By arranging an air inlet, a protective shell, a cylinder, a slide groove, a slider, a moving block, a first connecting frame, a second connecting frame, a positioning groove and a plug column, the protective shell can protect the fan, thereby preventing the fan from being damaged due to external force when exposed to the bottom of the cooling tower for a long time. By starting the cylinder, the telescopic end of the cylinder will push the moving block to drive the first connecting frame, the second connecting frame and the protective shell to rise and fall through the slider inside the slide groove, which is suitable for protecting fans of different sizes.

[0022] 2. The utility model provides a bottom blowing device for a countercurrent closed cooling tower. By setting a first connecting frame, a second connecting frame, screw holes and bolts that cooperate with each other, one side of the first connecting frame and the inside of the second connecting frame are detachably connected by bolts. The user can remove the bolts by relevant tools and then separate the first connecting frame from the second connecting frame. Then the user can replace and maintain the protective shell and the fan, thereby improving practicality.

[0023] 3. The utility model provides a bottom blowing device for a countercurrent closed cooling tower. By arranging a protective shell, a storage cavity and sound insulation cotton to cooperate with each other, the sound insulation cotton can absorb the noise generated when the fan is working, avoiding the fan from generating large noise when working, achieving the effect of reducing the noise of the fan and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0025] Figure 2 This is a schematic diagram of the fan structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the cross-sectional structure of the guide plate of the utility model;

[0027] Figure 4 This is a schematic diagram of the explosion structure of the protection component of the utility model;

[0028] Figure 5 It is a schematic structural diagram of the cylinder, the moving block and the first connecting frame of the utility model.

[0029] In the figure: 1. cooling tower; 2. supporting legs; 3. protective shell; 4. air inlet; 6. air blowing device; 7. fan; 8. protective assembly; 9. cylinder; 10. slide groove; 11. slider; 12. moving block; 13. first connecting frame; 14. second connecting frame; 15. positioning groove; 16. plug column; 17. screw hole; 18. bolt; 19. storage cavity; 20. sound insulation cotton; 21. screw; 22. rotating wheel; 23. first clamping block; 24. spring; 25. second clamping block; 26. rubber block; 27. guide plate; 28. air outlet; 28. fixing block; 29. ​​fixing block. DETAILED DESCRIPTION

[0030] The present invention is further described in detail below in conjunction with the embodiments:

[0031] Example 1

[0032] like Figure 1-5As shown, the utility model provides a bottom blast device for a countercurrent closed cooling tower, including a cooling tower 1, a supporting leg 2 and a protective shell 3. The cooling tower 1 is provided with an air inlet 4, the outer wall of the air inlet is fixedly connected with the protective shell 3, an air blast device 6 is arranged inside the protective shell 3, the air blast device 6 includes a fan 7, the outer wall of the cooling tower 1 is provided with a protective assembly 8 for protecting the air blast device 6, the protective assembly 8 includes a cylinder 9, one side of the cylinder 9 is fixedly connected to the outer wall of the cooling tower 1, a chute 10 is arranged on the outer wall of the cooling tower 1, the number of the chute 10 is two, a slider 11 is slidably connected inside the chute 10, one side of the slider 11 is fixedly connected with a moving block 12, and the moving block 12 is fixedly connected to the moving block 12. The outer wall of the block 12 is fixedly connected to the first connecting frame 13, and the one side of the protective shell 3 is fixedly connected to the second connecting frame 14, the first connecting frame 13 and the second connecting frame 14 are in contact, a positioning groove 15 is opened inside the protective shell 3, and a plug column 16 is fixedly connected to the bottom of the protective shell 3, and the outer wall of the plug column 16 is in contact with the inside of the positioning groove 15, the inside of the first connecting frame 13 and the second connecting frame 14 are both provided with screw holes 17, and the internal threads of the screw holes 17 are connected with bolts 18, one side of the first connecting frame 13 and the inside of the second connecting frame 14 are detachably connected by bolts 18, and a storage cavity 19 is opened inside the protective shell 3, and the inner wall of the storage cavity 19 is fixedly connected with sound insulation cotton 20.

[0033] In this embodiment, by setting the mutual cooperation of the air inlet, the protective shell, the cylinder, the slide groove, the slider, the moving block, the first connecting frame, the second connecting frame, the positioning groove and the plug column, the protective shell can protect the fan, and avoid the fan being exposed to the bottom of the cooling tower for a long time and possibly damaged by external force. By starting the cylinder, the telescopic end of the cylinder will push the moving block to drive the first connecting frame, the second connecting frame and the protective shell to rise and fall through the slider inside the slide groove, which is suitable for protecting fans of different sizes. By setting the mutual cooperation of the first connecting frame, the second connecting frame, the screw hole and the bolt, one side of the first connecting frame and the inside of the second connecting frame are detachably connected by bolts. The user can remove the bolts through relevant tools, and then separate the first connecting frame and the second connecting frame. Then the user can replace and maintain the protective shell and the fan, which improves practicality. By setting the mutual cooperation of the protective shell, the storage cavity and the sound insulation cotton, the sound insulation cotton can absorb the noise generated when the fan is working, and avoid the fan from generating large noise when working, so as to achieve the noise reduction of the fan and improve work efficiency.

[0034] Example 2

[0035] like Figure 1-5As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, by setting the mutual cooperation of the screw rod 21 and the rotating wheel 22, the rotating wheel 22 can drive the screw rod 21, the first clamping block 23 and the second clamping block 25 to move inside the protective shell 3, so that the first clamping block 23 and the second clamping block 25 can be moved, thereby improving practicality; by setting the mutual cooperation of the first clamping block 23, the spring 24 and the second clamping block 25, the first clamping and the second clamping blocks 25 can elastically fix the fan 7 through the spring 24, thereby avoiding the first clamping and the second clamping blocks 25 from causing damage to the fan 7, thereby improving work efficiency; by setting the rubber block 26 and the fan 7 Cooperating with each other, the rubber block 26 can protect the fan 7, avoiding damage to the fan 7 when the first clamping block 25 and the second clamping block 25 clamp the fan 7, thereby achieving the goal of protecting the fan 7 and improving work efficiency. By setting the support leg 2 and the air outlet to cooperate with each other, the support leg 2 can support the cooling tower 1, avoiding the shaking of the cooling tower 1 during operation, thereby achieving the goal of supporting the cooling tower 1 and improving work efficiency. The top of the support leg 2 is fixedly connected to the bottom of the cooling tower 1. There are four support legs 2. The outer wall of the cooling tower 1 is provided with an air outlet 28, the top of the inner wall of the cooling tower 1 is fixedly connected with a fixed block 29, and the outer wall of the fixed block 29 is fixedly connected with a guide plate 27.

[0036] In this embodiment, the outer wall of the protective shell 3 is threadedly connected with a screw rod 21, one side of the screw rod 21 is fixedly connected with a rotating wheel 22, one side of the screw rod 21 passes through the interior of the protective shell 3 and the sound insulation cotton 20 in sequence and extends to the interior of the protective shell 3, one side of the screw rod 21 is fixedly connected with a first clamping block 23, one side of the first clamping block 23 is fixedly connected with a spring 24, one side of the spring 24 is fixedly connected with a second clamping block 25, one side of the second clamping block 25 is fixedly connected with a rubber block 26, the outer wall of the rubber block 26 is in contact with the outer wall of the fan 7, the top of the support leg 2 is fixedly connected to the bottom of the cooling tower 1, there are four support legs 2, the outer wall of the cooling tower 1 is provided with an air outlet, the top of the inner wall of the cooling tower 1 is fixedly connected with a fixed block 26, and the outer wall of the fixed block 26 is fixedly connected with a guide plate 27.

[0037] The following is a detailed description of the working principle of the bottom blast device for the countercurrent closed cooling tower.

[0038] like Figure 1-5As shown, when it is necessary to protect the fan 7, the user places the fan 7 inside the protective shell 3, and then the user rotates the rotating wheel 22, the rotating wheel 22 will drive the screw 21 to rotate, and the screw 21 will drive the first clamping block 23, the spring 24 and the second clamping block 25 to move toward the inside of the protective shell 3, and when the second clamping block 25 contacts the outer wall of the fan 7, it will shrink, and the fan 7 can be elastically fixed, and then the user operates the cylinder 9, so that the telescopic end of the cylinder 9 drives the moving block 12 through the slider 11 inside the slide groove 10 to drive the first connecting frame 13, the second connecting frame 14 and the protective shell 3 to shrink, so that the inside of the positioning groove 15 contacts the outer wall of the plug column 16, and the fan 7 can be protected. The sound insulation cotton 20 can absorb the noise generated when the fan 7 is working. The user can remove the bolt 18 through relevant tools, and then separate the first connecting frame 13 and the second connecting frame 14, and then the user can replace and maintain the protective shell 3 and the fan 7.

[0039] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A bottom blast device for a countercurrent closed cooling tower, comprising a cooling tower (1), a support leg (2) and a protective shell (3), characterized in that: The cooling tower (1) is provided with an air inlet (4), the outer wall of the air inlet (4) is fixedly connected to a protective shell (3), an air blowing device (6) is arranged inside the protective shell (3), the air blowing device (6) comprises a fan (7), the outer wall of the cooling tower (1) is provided with a protective component (8) for protecting the air blowing device (6), the protective component (8) comprises a cylinder (9), one side of the cylinder (9) is fixedly connected to the outer wall of the cooling tower (1), the outer wall of the cooling tower (1) is provided with a slide groove (10), the number of the slide grooves (10) is two, The slide groove (10) is slidably connected to a slider (11) inside, a moving block (12) is fixedly connected to one side of the slider (11), a first connecting frame (13) is fixedly connected to the outer wall of the moving block (12), a second connecting frame (14) is fixedly connected to one side of the protective shell (3), the first connecting frame (13) and the second connecting frame (14) are in contact, a positioning groove (15) is provided inside the protective shell (3), a plug post (16) is fixedly connected to the bottom of the protective shell (3), and the outer wall of the plug post (16) is in contact with the inside of the positioning groove (15).

2. The bottom blast device for a countercurrent closed cooling tower according to claim 1, characterized in that: The first connecting frame (13) and the second connecting frame (14) are both provided with screw holes (17), the interior of the screw holes (17) are threadedly connected with bolts (18), and one side of the first connecting frame (13) and the interior of the second connecting frame (14) are detachably connected via the bolts (18).

3. The bottom blast device for a countercurrent closed cooling tower according to claim 1, characterized in that: A storage cavity (19) is provided inside the protective shell (3), and a sound insulation cotton (20) is fixedly connected to the inner wall of the storage cavity (19).

4. The bottom blast device for a countercurrent closed cooling tower according to claim 3, characterized in that: The outer wall of the protective shell (3) is threadedly connected to a screw rod (21), one side of the screw rod (21) is fixedly connected to a rotating wheel (22), and one side of the screw rod (21) sequentially penetrates the interior of the protective shell (3) and the sound insulation cotton (20) and extends to the interior of the protective shell (3).

5. The bottom blast device for a countercurrent closed cooling tower according to claim 4, characterized in that: One side of the screw rod (21) is fixedly connected to a first clamping block (23), one side of the first clamping block (23) is fixedly connected to a spring (24), and one side of the spring (24) is fixedly connected to a second clamping block (25).

6. The bottom blast device for a countercurrent closed cooling tower according to claim 5, characterized in that: A rubber block (26) is fixedly connected to one side of the second clamping block (25), and an outer wall of the rubber block (26) is in contact with an outer wall of the fan (7).

7. The bottom blast device for a countercurrent closed cooling tower according to claim 1, characterized in that: The top of the support leg (2) is fixedly connected to the bottom of the cooling tower (1), the number of the support legs (2) is four, an air outlet (28) is provided on the outer wall of the cooling tower (1), a fixing block (29) is fixedly connected to the top of the inner wall of the cooling tower (1), and a guide plate (27) is fixedly connected to the outer wall of the fixing block (29).