Air cooling tower with self-vibration-suppression device shutters

By installing a self-vibration damping device on the louvers of the air-cooled tower and using a rope-driven mechanism to control the opening and closing of the vibration damping belt, the problem of self-excited vibration of the louvers at small openings was solved, resulting in noise reduction and improved safety.

CN224108706UActive Publication Date: 2026-04-10NAT ENERGY PINGLUO POWER GENERATION CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NAT ENERGY PINGLUO POWER GENERATION CO LTD
Filing Date
2023-11-17
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

When the louvers of the triangular air inlet of a large air-cooled tower are slightly open, they are subject to excessive internal and external air pressure, which causes significant vibration, resulting in noise pollution and loosening of fasteners, affecting the safety and economy of use.

Method used

The louvers with self-damping devices are used. By installing self-damping devices on the louvers, including a top rope winding device, a top support frame, a damping belt, a slide rail, a pulley assembly, a bottom fixing device, and a damping belt drum, the winding and unwinding of the damping belt is controlled by a rope winding drive mechanism, thereby reducing the self-excited vibration of the louver blades.

Benefits of technology

It effectively suppresses self-excited vibration when the blinds are slightly open, reduces noise, and improves the safety and economy of the blinds.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air cooling tower with self vibration suppression device shutters, which comprises the self vibration suppression device shutters and an air cooling tower, the air cooling tower comprises a tower drum, a broadening platform and radiators, the radiators are arranged along the circumferential direction of the tower drum, the self vibration suppression device shutters are arranged on the outer sides of the radiators, and the broadening platform is arranged on the outer side of the tower drum. The louver with the self-vibration-suppression device comprises a top rope collecting device, a top supporting frame, a vibration suppression belt, a sliding way, a pulley assembly, a bottom fixing device, a vibration suppression belt winding drum and a winding drum supporting frame, and as the transverse span of the louver becomes larger and larger, the phenomenon that thin long-strip-shaped louver blades are subjected to too large internal and external wind pressure when the opening degree of the louver is 15-35 degrees, and large vibration is caused is caused. In order to solve the problem, the utility model introduces the air cooling tower with the shutter with the self-vibration suppression device, so that the self-excited vibration of the shutter when the opening degree of the shutter is small is effectively suppressed, whether the self-vibration suppression device needs to be used or not is judged according to the different opening degrees of the shutter blades, the noise is reduced while the self-excited vibration of the shutter is reduced, and the service life of the shutter is prolonged. And the safety and the economical efficiency of the shutter are improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of indirect air cooling tower of thermal power plant, especially relates to a air cooling tower with louvers of self -vibration suppression device. BACKGROUND

[0002] At present, the louvers technology is still in the development period, because the technology of the louvers is not mature, there are still many problems in the application process of the louvers, with the large-scale of the indirect air cooling tower, the horizontal span of the louver of the air cooling triangle inlet of the indirect air cooling is also more and more large, thereby causing the large vibration phenomenon of the thin long strip type louver blade at 15 ° ~ 35 ° small opening, the louver blade vibration phenomenon is the problem that is urgently needed to solve at present, the louver will emit huge noise when vibrating, and noise pollution is generated, the louver will also cause other fasteners to loosen when vibrating, and more serious ones will fall off, so that the louver cannot be normally used, and the use safety and economy of the louver are seriously affected.

[0003] The utility model discloses a kind of anti-vibration radiator louver in indirect air cooling system, louver is provided on the outer surface of radiator cooling triangle, vertical pull rod is provided in the inner side middle part of louver, a pin shaft is provided in the inner side middle part of each louver blade of louver, one end of support rod is hinged together with pin shaft, the other end of support rod is hinged together with vertical pull rod. Emphasize increasing vertical pull rod inside the blade, change the vibration of louver, and the utility model discloses a kind of louver with self-vibration suppression device, by the force exerted on the vibration suppression band by wind pressure, a transverse pre-tightening force is given to thin long blade, so that the self-excited vibration of louver blade at small opening is effectively inhibited, while the normal rotation of the blade is not affected, reduce the self-excited vibration of louver, reduce noise at the same time, improve the safety and economy of louver. SUMMARY

[0004] The utility model discloses a kind of louver with self-vibration suppression device, to effectively inhibit the self-excited vibration of louver blade at small opening, while according to the different opening of louver blade, judge whether self-vibration suppression device needs to be used, reduce the self-excited vibration of louver, reduce noise at the same time, improve the safety and economy of louver.

[0005] The air cooling tower with self-vibration suppression device shutter comprises a self-vibration suppression device shutter and an air cooling tower, characterized in that the air cooling tower comprises a tower cylinder, a widening platform and a radiator, the radiator is arranged circumferentially along the tower cylinder, the self-vibration suppression device shutter is installed on the outer side of the radiator, and the self-vibration suppression device shutter comprises a top rope collecting device, a top support frame, a vibration suppression belt, a slide, a pulley assembly, a bottom fixing device and a vibration suppression belt winding drum and a winding drum support frame.

[0006] The number of the radiators arranged circumferentially along the air cooling tower is N, N>0, N is an integer, one end of the widening platform is connected with the tower cylinder, the other end is connected with the radiator, and the radiator is installed on the outer side of the widening platform; the width of the radiator is W, 1m

[0007] The top rope collecting device is installed on the widening platform, the top rope collecting device comprises a trolley and a rope collecting driving mechanism; the rope collecting driving mechanism is a winch or a hoist or a mechanical device composed of a motor and a speed reducer, and the number of the top rope collecting devices arranged is M, 0

[0008] The top support frame is installed on the inner end of the radiator and serves to fix and support; the number of the top support frames is N; the top support frame is connected with the inner end of the slide; and the top support frame is used for fixing the top end of the vibration suppression belt.

[0009] The bottom fixing device is composed of a rope tightener and a rope tightener fixing support; the rope tightener fixing support is installed on the bottom of the radiator and is 0m≤Hj≤2m away from the ground, and the rope tightener is used for fixing the bottom end of the vibration suppression belt.

[0010] The winding drum support frame comprises a winding drum trolley and a support, the support is installed on the winding drum trolley, the support is used for supporting the vibration suppression belt winding drum, and the number of the winding drum support frames is K, 0

[0011] The vibration suppression belt winding drum is used for winding and unwinding the vibration suppression belt, and the vibration suppression belt winding drum is installed on the ground; and the number of the vibration suppression belt winding drums is N.

[0012] The vibration suppression belt is a porous vibration suppression belt, the porosity of the porous vibration suppression belt is γ, 0≤γ≤0.7, and the material of the vibration suppression belt is polypropylene, nylon, polyester, polyethylene or rayon.

[0013] The working process of the self-vibration suppression device shutter is that when the opening degree of the shutter is 20%-40%, the rope is released to the bottom of the radiator by the rope collecting driving mechanism, the rope is connected with one end of the vibration suppression belt, the vibration suppression belt is collected to the top fixing frame, and the vibration suppression belt is fixed on the top fixing frame.

[0014] The utility model discloses a kind of air cooling towers with self-damping device louver, including self-damping device louver and air cooling tower, air cooling tower includes tower cylinder, widening platform, radiator, radiator is arranged along the circumferential direction of tower cylinder, self-damping device louver is installed on the outside of radiator, self-damping device louver includes top rope collecting device, top support frame, damping zone, slide, pulley assembly, bottom fixing device, damping zone reel, reel support frame, with louver transverse span increasingly larger, thereby causing thin long strip type louver blade in 15 °~35 ° small opening degree When excessive by inside and outside wind pressure and cause larger vibration phenomenon, to solve this problem, the utility model introduces a kind of air cooling tower with self-damping device louver, to effectively suppress the self-excitation vibration of louver blade when small opening degree of louver, simultaneously according to the different opening degree of louver blade, judge whether self-damping device needs to be used, reduce louver self-excitation vibration while reducing noise, improve the safety and economy of louver. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is air cooling tower installation schematic diagram with self-damping device louver.

[0016] Figure 2 It is air cooling tower reel support installation drawing with self-damping device louver.

[0017] Figure 3 It is top rope collecting device installation schematic diagram with self-damping device louver of air cooling tower.

[0018] Figure 4 It is two ends installation schematic diagram with self-damping device louver of air cooling tower damping zone.

[0019] Figure 5 It is rope tightener installation schematic diagram with self-damping device louver of air cooling tower.

[0020] Brief description of drawings: 1-car 2-top rope collecting device 3-fixed support 4-fixed support support 5-slide 6-pulley assembly side plate 7-pulley assembly 8-louver 9-damping zone 10-rope tightener fixing device 11-rope tightener 12-damping zone reel 13-reel car 14-reel support 15-radiator 16-widening platform DETAILED DESCRIPTION

[0021] To make the technical means, creative features, purposes and effects realized by the utility model complete and clear, the utility model is further described below in combination with specific implementation manners.

[0022] Combine with the drawings Figures 1-5The self-vibration suppression device shutter air cooling tower shown in the application comprises a self-vibration suppression device shutter and an air cooling tower, wherein the air cooling tower comprises a tower cylinder, a widening platform 16 and radiators 15, the radiators 15 are arranged circumferentially along the tower cylinder, the self-vibration suppression device shutter is installed on the outer side of the radiators 15, the self-vibration suppression device shutter comprises a top rope collecting device 2, a top support frame 3, a vibration suppression belt 9, a slide 5, a pulley assembly 7, a bottom fixing device 10, a belt winding drum 12 and a drum support frame 14; the top rope collecting device 2 collects and releases the vibration suppression belt 9 to suppress the vibration of the shutter blade 8; the number of the radiators 15 arranged circumferentially along the air cooling tower is N, one end of the widening platform 16 is connected with the tower cylinder, the other end is connected with the radiators 15, and the radiators 15 are installed on the outer side of the widening platform 16; the width of the radiator 15 is W, and the height of the radiator 15 is H; the top rope collecting device 2 is installed on the widening platform, and the top rope collecting device 2 comprises a trolley 1 and a rope collecting driving mechanism; the rope collecting driving mechanism is a winch or a hoist or a mechanical device composed of a motor and a speed reducer, the number of the top rope collecting device 2 is M, the top support frame 3 is installed on the inner end of the radiator 15 and serves as a fixed support; the number of the top support frame 3 is N; the top support frame 3 is connected with the inner end of the slide 5; the top support frame 3 is used for fixing the top end of the vibration suppression belt 9; the bottom fixing device 10 is composed of a rope tightener 11 and a rope tightener fixing support; the rope tightener fixing support is installed on the bottom of the radiator 15 and is spaced apart from the ground by a height of Hj, the rope tightener 11 is used for fixing the bottom end of the vibration suppression belt 9; the drum support frame 14 comprises a drum trolley 13 and a support frame, the support frame is installed on the drum trolley 13 and serves as a support for the vibration suppression belt winding drum 12, the number of the drum support frame is K, the vibration suppression belt winding drum 12 is used for collecting and releasing the vibration suppression belt 9, and the vibration suppression belt winding drum 12 is installed on the ground; the number of the vibration suppression belt winding drum 12 is N; the vibration suppression belt 9 is a porous vibration suppression belt, the porosity of the porous vibration suppression belt 9 is γ, and the material of the vibration suppression belt 9 is polypropylene, nylon, polyester, polyethylene or rayon; the working process of the self-vibration suppression device shutter is that when the opening of the shutter is 20% to 40%, the rope is released to the bottom of the radiator by the rope collecting driving mechanism, the rope is connected with one end of the vibration suppression belt, the vibration suppression belt is collected to the top fixing frame, and the vibration suppression belt is fixed on the top fixing frame.

[0023] The utility model provides a kind of air cooling tower with self-damping device louver, including self-damping device louver and air cooling tower, air cooling tower includes tower cylinder, broadens platform, radiator, radiator is arranged along the circumferential direction of tower cylinder, self-damping device louver is installed on the outside of radiator, self-damping device louver includes top rope collecting device, top support frame, vibration suppression belt, slide, pulley assembly, bottom fixing device, vibration suppression belt reel, reel support frame, with the increasing of louver transverse span, thereby causing the large vibration phenomenon of thin long strip type louver blade in 15~35 Small opening degree by inside and outside wind pressure too much, to solve this problem, the utility model introduces a kind of air cooling tower with self-damping device louver, to effectively suppress the self-excitation vibration of louver blade in small opening degree, simultaneously according to the different of louver opening, judge whether self-damping device needs to use, reduce louver self-excitation vibration while reducing noise, improve the safety and economy of louver.

[0024] Embodiment 1, an air cooling tower with self-damping device louver.

[0025] The utility model provides a kind of air cooling tower with self-damping device louver, including self-damping device louver and air cooling tower, air cooling tower includes tower cylinder, broadening platform 16, radiator 15, radiator 15 is arranged along the circumference of tower cylinder, self-damping device louver is installed on the outside of radiator 15, self-damping device louver includes top rope collecting device 2, top support frame 3, damping belt 9, slide 5, pulley assembly 7, bottom fixing device 10, damping belt reel 12, reel support frame 14;Top rope collecting device 2 is by to damping belt 9 take out and put to inhibit the vibration of louver blade 8;Radiator 15 air cooling tower is arranged in the number of 210 around, one end of broadening platform 16 is connected with tower cylinder, the other end is connected with radiator 15, and radiator 15 is installed on the outside of broadening platform 16;The width of radiator 15 is 3m, and the height of radiator 15 is 30m;Top rope collecting device 2 is installed on broadening platform, and top rope collecting device 2 includes trolley 1, rope collecting drive mechanism;Rope collecting drive mechanism is winch or elevator or mechanical device consisting of motor and speed reducer, and the arrangement number of top rope collecting device 2 is 210, and top support frame 3 is installed on the inner end of radiator 15, and serves as fixed support;The number of top support frame 3 is 210;Top support frame 3 is connected with the inner end of slide 5;Top support frame 3 is used to fix the top end of damping belt 9;Bottom fixing device 10 is composed of rope tightener 11 and rope tightener fixed support;Rope tightener fixed support is installed on the bottom of radiator 15, and the height from ground is 1m, and rope tightener 11 is used to fix the bottom end of damping belt 9;Reel support frame 14 includes reel trolley 13, support, support is installed on reel trolley 13, and support is used to support damping belt reel 12, and the number of reel support frame is 210, and damping belt reel 12 is used to take out and put damping belt 9, and damping belt reel 12 is installed on ground;The number of damping belt reel 12 is 210;Damping belt 9 is porous damping belt, and the porosity of porous damping belt 9 is 10%, and the material of damping belt 9 is polypropylene, nylon, polyester, polyethylene and rayon;The working procedure of self-damping device louver is that when louver opening is 20%~40%, rope is released to the bottom of radiator by rope collecting drive mechanism, one end of rope is connected damping belt, damping belt is collected to top fixing frame, and damping belt is fixed on top fixing frame.Compared with the prior art, the utility model discloses a kind of self-damping device louvered window's air cooling tower, including self-damping device louvered window and air cooling tower, air cooling tower includes tower cylinder, widening platform, radiator, radiator is arranged along the circumferential direction of tower cylinder, self-damping device louvered window is installed on the outside of radiator, self-damping device louvered window includes top rope collecting device, top support frame, vibration suppression belt, slide, pulley assembly, bottom fixing device, vibration suppression belt reel, reel support frame, with louvered window transverse span increasingly larger, thereby cause thin long strip type louvered blade in 15 °~35 ° small opening degree When excessive by inside and outside wind pressure and cause greater vibration phenomenon, to solve this problem, the utility model introduces a kind of self-damping device louvered window's air cooling tower, to effectively suppress louvered window blade self-excitation vibration when small opening degree, simultaneously according to louvered blade opening degree is different, judge whether self-damping device needs to use, reduce louvered self-excitation vibration while reducing noise, improve the security and economy of louvered window.

[0026] For those skilled in the art, the specification should be considered as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art, and all other examples obtained without making creative efforts fall within the scope of the utility model.

[0027] It should be understood that the above embodiments are only used to illustrate the basic principles, main features and technical advantages of the utility model, and for those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model, the embodiments are considered to be exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model, any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. An air cooling tower with a self-damping louver, comprising a self-damping louver and an air cooling tower, characterized in that: The air cooling tower comprises a tower cylinder, a widened platform, and a radiator, the radiator is arranged circumferentially along the tower cylinder, the self-vibration suppression device shutter is installed on the outer side of the radiator, the self-vibration suppression device shutter comprises a top rope collecting device, a top support frame, a vibration suppression belt, a slide, a pulley assembly, a bottom fixing device, a vibration suppression belt winding drum, and a winding drum support frame; the top rope collecting device suppresses the vibration of the shutter blade by winding and unwinding the vibration suppression belt.

2. The air cooling tower with self-damping louver according to claim 1, characterized in that: The number of the circumferentially arranged radiators is N, N>0, N is an integer, one end of the widened platform is connected with the tower cylinder, the other end is connected with the radiator, and the radiator is installed on the outer side of the widened platform; the width of the radiator is W, 1mW≤6m; the height of the radiator is H, 1mH≤50m.

3. The air cooling tower with self-damping louver according to claim 1, characterized in that: The top rope collecting device is installed on the widened platform, and the top rope collecting device comprises a trolley and a rope winding driving mechanism; the rope winding driving mechanism is a winch or a hoist or a mechanical device composed of a motor and a speed reducer; the number of the top rope collecting devices is M, 0 4. The air cooling tower with louvers having self-damping device according to claim 1, characterized in that: The top support frame is installed on the inner end of the radiator and serves as a fixing support; the number of the top support frames is N; the top support frame is connected with the inner end of the slide; and the top support frame is used for fixing the top end of the vibration suppression belt.

5. The air cooling tower with louvers having self-damping device according to claim 1, characterized in that: The pulley assembly is arranged on the outer end of the radiator; the pulley assembly is composed of a side plate and a pulley; and the side plate of the pulley assembly is connected with the outer end of the slide.

6. The air cooling tower with self-damping louver according to claim 1, characterized in that: The bottom fixing device is composed of a rope tightener and a rope tightener fixing support; the rope tightener fixing support is installed on the bottom of the radiator, and the height from the ground is Hj, 0m≤Hj≤2m; and the rope tightener is used for fixing the bottom end of the vibration suppression belt.

7. The air cooling tower with louvers having self-damping device according to claim 1, characterized in that: The winding drum support frame comprises a winding drum trolley and a support; the support is installed on the winding drum trolley and serves to support the vibration suppression belt winding drum; and the number of the winding drum support frames is K, 0 8. The air cooling tower with self-damping louver according to claim 1, characterized in that: The vibration suppression belt winding drum is used for winding and unwinding the vibration suppression belt, and the vibration suppression belt winding drum is installed on the ground; and the number of the vibration suppression belt winding drums is N.

9. The air cooling tower with louvers having self-damping device according to claim 1, characterized in that: The vibration suppression belt is a porous vibration suppression belt, the porosity of the porous vibration suppression belt is γ, 0≤γ≤0.7; and the material of the vibration suppression belt is polypropylene, nylon, polyester, polyethylene, or rayon.

10. The air cooling tower with self-damping louver according to claim 1, characterized in that: The working process of the self-vibration suppression device shutter is as follows: when the opening degree of the shutter is 20% to 40%, the rope is released to the bottom of the radiator by the rope winding driving mechanism, the rope is connected with one end of the vibration suppression belt, the vibration suppression belt is wound to the top fixing frame, and the vibration suppression belt is fixed on the top fixing frame.

Citation Information

Patent Citations

  • Preventing among intercooling air cooling system vibrates radiator shutter

    CN205279840U