Adjusting device for horizontal axial rotating wind shield of cooling tower

By designing the horizontal axial rotating windshield adjustment device of the cooling tower, the frame unit, transmission mechanism and control system are used to achieve precise control of the windshield, which solves the safety hazards and high cost problems of manual adjustment in the prior art, and ensures the stability of the circulating water temperature.

CN223021059UActive Publication Date: 2025-06-24LIAONING LONGDIAN WEIYE XINNENG TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422116296.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-06-24
Estimated Expiration
2034-08-30

AI Technical Summary

Technical Problem

In the prior art, the adjustment of the cooling tower windshield plate mainly relies on manual disassembly and assembly, which poses safety hazards and high maintenance costs. At the same time, timely and precise control cannot be achieved, affecting the stability of the circulating water temperature.

Method used

A cooling tower horizontal axial rotating windshield adjustment device is designed, including a frame unit, a transmission mechanism and a control system. The motor drives the windshield unit to rotate to achieve precise control of the windshield angle and reduce manual intervention.

Benefits of technology

It achieves zero damage to the windshield and zero personal accidents, reduces labor and material costs, and can be adjusted within the range of 360° to ensure the stability of the circulating water temperature.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223021059U_ABST
    Figure CN223021059U_ABST
Patent Text Reader

Abstract

The utility model discloses a cooling tower horizontal axial rotation wind shield adjusting device which is arranged on the periphery of a herringbone column of a cooling tower in a surrounding mode and comprises a frame unit and a transmission mechanism which are arranged on the top of a cooling tower ring base, a wind shield unit is movably connected to the frame unit, and the wind shield unit is movably connected to the transmission mechanism. The transmission mechanism is electrically connected with the control system, and the control system is used for controlling the transmission mechanism to drive the wind shield unit, so that the wind shield unit rotates around the movable connection point of the wind shield unit and the frame unit. The two-stage worm and gear reducer is driven by the control system, the main shaft at the bottom layer of the wind shield anti-freezing device is driven by the output shaft of the motor to rotate, so that the wind shields and the transmission connecting rod connecting plates rotate, and the movement is realized through the movement transmission connecting plates fixed on the upper and lower wind shields at the left and right ends in the unit. Therefore, the wind shields on all the layers on the same unit are driven by the same motor to rotate synchronously, and the effects of flexible operation and independent controllability are achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of thermal power plant cooling tower heat preservation, and more specifically to a regulating device for a horizontal axial rotating wind baffle of a cooling tower. Background Art

[0002] During the daily operation of the cooling tower, the temperature of the circulating water directly affects the operation level of the condenser vacuum system of the cooling tower. At present, in hyperbolic natural draft cooling towers of thermal power plants, the temperature of the circulating water is mainly adjusted by manually disassembling and installing the wind baffles of the water tower. Since the temperature difference between winter and summer in Northeast China is very large, the maximum temperature difference between winter and summer can reach more than 70 °C. At the same time, the temperature difference between day and night in Northeast China is also relatively large, with a difference of more than 15 °C between day and night. And it is very unsafe to install the wind baffles at night. If the circulating water temperature often operates at a too high or too low level due to untimely adjustment of the water temperature, it will have a great impact on the stability and economy of the vacuum system and the unit.

[0003] During the maintenance process of the water tower, all the currently used wind baffles need to be hung in winter and all removed in summer. The damage is very serious during one disassembly and installation. In addition, during the usual adjustment of the circulating water temperature, they are often removed and installed, making some wind baffles extremely easy to be damaged. This not only wastes materials and increases consumption but also generates a large amount of maintenance costs.

[0004] The disassembly and installation of the existing wind baffles are completely completed manually and are high-altitude operations. While consuming a large amount of labor costs, there are also great potential safety hazards for the personnel during the disassembly and installation of the wind baffles when the lighting is insufficient at night. Especially in winter, when the lighting is insufficient and the clothes are thick, it is inconvenient to move. If there is ice on the ground and on the beams and columns, the disassembly and installation of the wind baffles will become extremely dangerous and very likely to cause safety accidents.

[0005] Therefore, how to provide a regulating device that can achieve timely and precise control of the wind baffle regardless of season and day or night is an urgent problem for those skilled in the art. Summary of the Utility Model

[0006] In view of this, the utility model provides a regulating device for a horizontal axial rotating wind baffle of a cooling tower, which can combine the structural characteristics of a hyperbolic cooling tower to achieve precise control of the rotation angle of the horizontal axial rotating wind baffle, can achieve the effects of zero damage to the wind baffle and zero accidents to personnel, and at the same time reduce the labor costs and material costs in the process of relying on manual disassembly and installation of the wind baffles of the water tower in the prior art.

[0007] To achieve the above object, the present utility model provides a regulating device for a horizontal axial rotating wind baffle of a cooling tower, which is disposed around the outer circumference of the herringbone columns of the cooling tower and includes: a frame unit and a transmission mechanism provided on the top of the cooling tower ring foundation. A wind baffle unit is movably connected inside the frame unit, the wind baffle unit is movably connected to the transmission mechanism, the transmission mechanism is electrically connected to a control system, and the control system is used to control the transmission mechanism to drive the wind baffle unit so that the wind baffle unit rotates around its movable connection point with the frame unit.

[0008] Preferably, the wind baffle unit includes a first wind baffle and a second wind baffle. Linkage clips for fixedly connecting the second wind baffle are provided at the bottoms of the left and right ends of the first wind baffle, and a torsion arm is fixedly provided at the bottom of the end of the second wind baffle away from the first wind baffle.

[0009] Preferably, the transmission mechanism includes a double-stage speed reducer provided on the top of the cooling tower ring foundation and a transmission shaft connected to the output shaft of the double-stage speed reducer. The transmission shaft is rotatably connected to one end of a crank arm, the other end of the crank arm is rotatably connected to a transmission rod, and the transmission rod is rotatably connected to the second wind baffle through a torsion arm.

[0010] Preferably, an adjusting cushion plate is provided between the double-stage speed reducer and the cooling tower ring foundation, and a speed reducer seat is provided between the adjusting cushion plate and the cooling tower ring foundation.

[0011] Preferably, a ceiling is provided on the top of the frame unit. One end of the longitudinal beam of the ceiling is connected to the side wall of the herringbone column of the cooling tower, and the other end is connected to the top of the frame unit. A cross beam is provided on the top of the longitudinal beam, and a reflector is provided on the top of the cross beam.

[0012] Preferably, the control system includes a control box, a remote control cabinet, a wind vane and a DCS that are electrically connected to each other.

[0013] Preferably, a monitoring system is further included. The monitoring system is electrically connected to the control system and is used to monitor the state of the wind baffle in real time.

[0014] Preferably, the monitoring system includes a wide-angle camera disposed around the cooling tower.

[0015] Preferably, a wind baffle inspection door and a wind baffle safety door are further provided on the top of the cooling tower ring foundation.

[0016] It can be seen from the above technical solutions that compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] 1. This device is disposed around the circumference of the cooling tower and can be adjusted and controlled within a range of 360° around the circumference of the cooling tower, so as to form an air duct with the wind baffle and achieve the adjustment of the circulating water temperature.

[0018] 2. This device uses a worm and worm gear reduction motor as the control power, and can design the rotational speed output according to needs to achieve precise control of the horizontally axially rotating wind deflector.

[0019] 3. The control system can realize operations such as local program start / stop, remote program start / stop, and automatic start / stop, reducing labor costs, lowering the labor intensity of operators, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to the provided drawings without creative efforts.

[0021] Figure 1 It is a schematic diagram of the installation position of the horizontally axially rotating wind deflector adjustment device of the present invention.

[0022] Figure 2 For the present invention Figure 1 Vertical sectional view of part A.

[0023] Figure 3 For the present invention Figure 1 Front view of part A.

[0024] Figure 4 Front view of the transmission mechanism of the present invention.

[0025] Figure 5 Side view of the transmission mechanism of the present invention.

[0026] Figure 6 Front view of the wind deflector maintenance door of the present invention.

[0027] Figure 7 Front view of the wind deflector safety door of the present invention.

[0028] Figure 8 Schematic diagram of the ceiling structure of the present invention.

[0029] Figure 9 For the present invention Figure 8 Enlarged view of part I.

[0030] Figure 10 For the present invention Figure 8 Enlarged view of part II.

[0031] In the figure, 1 is the cooling tower ring foundation, 11 is the herringbone column of the cooling tower, 2 is the frame unit, 3 is the wind deflector unit, 31 is the first wind deflector, 32 is the second wind deflector, 33 is the linkage clip, 34 is the torsion arm, 4 is the transmission mechanism, 41 is the double-stage reducer, 42 is the reducer seat, 43 is the adjusting shim, 44 is the crank arm, 45 is the inner protective cover, 46 is the protective cover, 47 is the transmission shaft, 48 is the coupling sleeve, 49 is the transmission rod, 5 is the ceiling, 51 is the longitudinal beam, 52 is the self-tapping screw, 53 is the maintenance plate, 54 is the cross beam, 55 is the ceiling steel plate, 56 is the reflector, 57 is #4 galvanized angle steel, 58 is the hexagon socket head cap screw, 59 is the hexagon nut, 510 is the flat washer, 511 is the spring washer, 512 is the longitudinal beam bracket, 513 is the expansion bolt, 6 is the control system, 7 is the wind deflector inspection door, 8 is the wind deflector safety door, 9 is the monitoring system. Detailed implementation mode

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0033] Please refer to the attached Figures 1-10 , which is a horizontal axial rotation wind deflector adjustment device for a cooling tower disclosed by the present invention.

[0034] The horizontal axial rotation wind deflector adjustment device for a cooling tower provided by the present invention is arranged around the outer circumference of the herringbone column 11 of the cooling tower, dividing the cooling tower into 8 parts, namely south, north, east, west, southeast, northwest, southwest, and northeast. The adjustment device can be adjusted and controlled within the range of 360° of the cooling tower circumference to form a wind channel with the wind deflector and realize the adjustment of the circulating water temperature. Specifically, it includes: a frame unit 2 and a transmission mechanism 4 arranged on the top of the cooling tower ring foundation 1. The wind deflector unit 3 is movably connected to the frame unit 2, the wind deflector unit 3 is movably connected to the transmission mechanism 4, and the transmission mechanism 4 is electrically connected to the control system 6. The control system 6 is used to control the transmission mechanism 4 to drive the wind deflector unit 3 to rotate around the movable connection point between the wind deflector unit 3 and the frame unit 2.

[0035] Such as Figures 1-3As shown, the cooling tower ring foundation 1 is poured with concrete-filled steel tubes, and the elevation is between +100 and 200; it is used to bear the weights of the steel structure ceiling 5, the steel structure frame unit 2 and the wind baffle unit 3, and can also provide support for wind loads, snow loads, self-suction loads of the cooling tower, etc.; the frame unit 2 is composed of galvanized rectangular square tubes and galvanized trapezoidal square tubes to form a unit frame, the width of the unit frame is 6 meters to 10 meters, and the height of the unit frame is 7 meters to 11 meters; in the width direction of the unit frame, the columns divide it into four equal parts, and galvanized square tube ring beams are provided at the upper and lower parts in the stiffness direction of the unit frame, and in the middle, it is separated into a "day" shape or an "eye" shape by galvanized square tubes. An expansion joint is designed to be reserved every 5 to 8 connected unit frames, and the width of the expansion joint is 3 mm to 12 mm.

[0036] The wind baffle unit 3 includes a first wind baffle 31 and a second wind baffle 32. Linkage clips for fixedly connecting the second wind baffle 32 are provided at the bottoms of the left and right ends of the first wind baffle 31, and a torsion arm 34 is fixedly provided at the bottom of the end of the second wind baffle 32 away from the first wind baffle 31.

[0037] It should be noted that the materials of the first wind baffle 31 and the second wind baffle 32 (collectively referred to as the wind baffle) are both new type of polymer UPVC materials, which are extruded once by a twin-screw extruder. In order to increase the strength, a steel inner lining plate is installed on the wind baffle to make the structural dimensions of the wind baffle stable and have high mechanical strength.

[0038] Furthermore, in order to improve the sealing performance of the device, L-shaped sealing grooves are provided at the upper and lower ends of the wind baffle so that the airtightness between adjacent wind baffles can be better when the wind baffle is closed through the sealing grooves.

[0039] Furthermore, stainless steel adjustment shafts are designed at both ends of the wind baffle and fixed with bolts, which can facilitate the arbitrary disassembly and assembly of a single wind baffle, greatly improving portability and maintenance costs.

[0040] The transmission mechanism 4 includes a double-stage reducer 41 provided at the top of the cooling tower ring foundation 1 and a transmission shaft 47 connected to the output shaft of the double-stage reducer 41. The transmission shaft 47 is rotatably connected to one end of the crank arm 44, and the other end of the crank arm 44 is rotatably connected to the transmission rod 49. The transmission rod 49 is rotatably connected to the second wind baffle 32 through the torsion arm 34.

[0041] As Figures 2-5 shown, the transmission mechanism 4 is designed with a worm and gear double-stage reducer 41. The crank arm 44 drives the transmission rod 49 to drive all the wind baffles in the frame unit 2 to rotate synchronously, and the angle of the wind baffle can be adjusted arbitrarily within 90°. The output shaft of the double-stage reduction motor is connected to a 1 / 1500 two-stage reduction mechanism to control the double-stage reducer 41 to rotate one revolution per minute. It can also be designed with a lower rotation speed control according to needs to achieve precise control of the horizontally axially rotating wind baffle.

[0042] It should be noted that an outer protective cover 46 is provided outside the transmission mechanism 4, and an inner protective cover 45 is provided inside. A coupling sleeve 48 is sleeved on the outer periphery of the transmission shaft 47.

[0043] Furthermore, an adjusting shim 43 is provided between the two-stage speed reducer 41 and the cooling tower ring foundation 1, and a speed reducer seat 42 is provided between the adjusting shim 43 and the cooling tower ring foundation 1.

[0044] A ceiling 5 is provided at the top of the frame unit 2. One end of the longitudinal beam 51 of the ceiling 5 is connected to the side wall of the cooling tower herringbone column 11, and the other end is connected to the top of the frame unit 2. A reflector 56 is provided on the top of the longitudinal beam 51.

[0045] As Figures 8-10 shown, the ceiling 5 is composed of longitudinal beam #12 galvanized steel channels, longitudinal beam brackets, longitudinal beam 51 (made of 40*40*4 galvanized square tubes), 3mm galvanized steel plates laid on the ceiling, upper skirt plates made of angle steel, and aluminum foil reflectors 56. Among them, a cross beam 54 is provided between the longitudinal beam and the aluminum foil reflector 56. The connection between the ceiling 5 and the frame unit 2 is connected by a maintenance plate 53. One end of the maintenance plate 53 is fixedly connected to the top of the side wall of the frame unit 2 through self-tapping screws 52, and the other end is fixedly connected to the ceiling 5 through hexagon socket head cap screws 58 passing through flat washers 510, #4 galvanized angle steels 57, spring washers 511, aluminum foil reflectors 56, and hexagon nuts 59 in sequence; at the connection between the ceiling 5 and the cooling tower herringbone column 11, a longitudinal beam bracket 512 is provided at the bottom of the longitudinal beam 51. The longitudinal beam bracket 512 is fixedly connected to the side wall of the cooling tower herringbone column 11 through expansion bolts 513 to support the ceiling 5.

[0046] Furthermore, a push-pull type wind deflector production and maintenance door 7 with a size of 4 meters * 2.5 meters and a wind deflector safety door 8 are also provided on the top of the cooling tower ring foundation 1.

[0047] The control system 6 includes a control box, a remote control cabinet, a wind vane, and a DCS that are electrically connected to each other to transmit communication signals between them. A control program is preset in the control system 6, including three modes: on-site operation, remote operation, and automatic control operation. And each time the working mode is changed due to a change in wind direction, the wind deflector is first reset to zero, and then the corresponding working mode is controlled, avoiding the problem of control confusion caused by multiple wind direction changes and achieving precise control of the wind deflector position.

[0048] It should be noted that the control system 6 consists of a control cabinet, a remote control cabinet, a wind vane, and a DCS control system 6 to achieve automatic control: configuration programming is performed in the DCS according to the change of the circulating water temperature to achieve the automatic adjustment function. The adjustment gradient is to adjust once when the circulating water temperature rises or falls by ±0.5°C, and the opening degree of the wind baffle is ±3°. The area for opening and closing the wind baffle determines the wind direction according to the wind vane, and then the wind baffle in the wind direction is opened or closed, fully realizing the automatic water temperature tracking adjustment function. The wind baffle can be rotated at any angle from 0° to 90° in a targeted manner, so that the cooling tower wind baffle rotates to an appropriate angle, and it can accurately realize that the wind baffle is opened at the required position in a timely manner according to different seasons, different wind directions and wind speeds, and the change of the circulating water temperature is controlled within ±0.5°C.

[0049] It should be noted that the control system 6 has no preset control program and can realize three operation modes: local operation, remote operation, and automatic control operation. Specifically:

[0050] A. Local operation: According to the change of the circulating water temperature, press the operation button locally to open and close the wind baffle;

[0051] B. Remote operation: According to the change of the circulating water temperature, press the open and close buttons on the CRT in the control room to achieve it;

[0052] C. Automatic operation: Configuration programming is performed in the DCS according to the change of the circulating water temperature to fully realize the automatic water temperature tracking adjustment function.

[0053] Furthermore, a PLC is provided in the control cabinet. The PLC is electrically connected to the DCS and the wind vane. The wind vane can be a wind direction sensor. The wind vane introduces the real-time wind direction signal into the PLC and / or DCS. After analysis and calculation by the PLC, a control instruction for this direction is issued to control the adjustment device within the 360° range of the cooling tower circumference, realizing the automatic adjustment of the circulating water temperature.

[0054] Furthermore, a water temperature monitoring function is added to the control system. The water temperature signal is introduced into the PLC through a temperature sensor. When the water temperature increases or decreases, the PLC issues an instruction to increase or decrease the opening angle of the wind baffle, thereby ensuring that the circulating water temperature changes within the range of 20°C plus or minus 0.5°C, making the control more accurate and reasonable.

[0055] Further, a manual parameter setting link is added to the control system. Through the touch screen, the operator can arbitrarily adjust the relevant parameters of the wind deflector according to the changes in wind direction, water temperature, and outdoor temperature, greatly improving the reliability of the system and the flexibility of control. The control system can realize operations such as local program start / stop, remote program start / stop, and automatic start / stop, reducing labor costs and the labor intensity of operators. At the same time, wind speed, wind direction, and water temperature signals are introduced into the touch screen, and the operator can clearly monitor relevant parameters from the screen and perform timely and effective control to improve work efficiency.

[0056] Further, the adjusting device in the present utility model further includes a monitoring system 9. The monitoring system 9 is electrically connected to the control system 6 and is used to monitor the state of the wind deflector unit in real time. The monitoring system 9 includes a wide-angle camera arranged around the cooling tower.

[0057] It should be noted that, in order to monitor the state of the wind deflector in real time, a wide-angle camera is arranged around the cooling tower, and the signal is transmitted to the monitoring room. It can be connected to the industrial television system, and the monitoring system 9 can be turned on anywhere to observe the state of the wind deflector, ensuring production and safety and reducing the waste of human resources and casualty incidents.

[0058] Analyze the control of the wind deflector in the present utility model: The present utility model adopts a 90° rotary baffle, which automatically adjusts the baffle angle according to the wind direction change and seasonal change. The operation modes are automatic tracking adjustment, remote electric adjustment, and on-site local manual adjustment. According to the climate conditions and unit conditions, the structure of the cooling tower wind deflector is designed specifically. Generally, it is divided into two or three layers of control layout, divided into several groups according to directions, and each group can move synchronously, and all groups have adjustment functions.

[0059] It should be noted that:

[0060] (1) The material of the wind deflector is a new type of polymer material of the polycondensation type. It is extruded once by a twin-screw extruder. In order to increase the strength, a steel inner lining plate is installed on the wind deflector. The structural dimensions are stable and the mechanical strength is high. The sealing degree is improved, and L-shaped sealing grooves are arranged at the upper and lower ends of the wind deflector;

[0061] (2) The bearing capacity of the wind deflector is 650 N / ㎡, the mid-span deflection ≤ 1 / 120, and the warp and weft bending strength ≥ 32 Mpa;

[0062] (3) Selection of materials for the ceiling 5: ① The ceiling 5 is made of galvanized steel plate with a thickness of δ = 4 mm to enhance its stiffness and ensure that it can withstand the falling of ice hanging on the tower top in winter without being damaged; ② The bearing capacity of the ceiling 5 is 650 N / ㎡; the mid-span deflection ≤ 1 / 120; the warp and weft bending strength ≥ 150 Mpa;

[0063] (4) Anti-corrosion performance: The exposed steel parts of all structural components are treated with two coats of H06-2S52-40 epoxy primer and two coats of polyurethane finish for anti-corrosion, and the anti-corrosion life can reach 20 years.

[0064] (5) Structural advantages: The structure of the wind baffle anti-freezing device consists of six major parts, namely the cooling tower ring foundation 1, the frame unit 2, the wind baffle unit 3, the transmission mechanism 4, the ceiling 5 steel structure, and the control system 6. In addition, it also includes a 4m * 2.5m push-pull type wind baffle maintenance door 7 for facilitating production and cleaning work, which is used for daily maintenance. At the same time, a wind baffle safety door 8 is configured as a safety passage in the accident state. The size of the wind baffle safety door 8 can be the same as that of the wind baffle maintenance door 7, or can be set to different sizes according to needs.

[0065] The working principle of the present utility model is as follows:

[0066] The wind baffle switch signal is given by the rotation position of the wind vane. A plurality of non-contact magnetic switches are arranged under the wind vane, which are divided into four groups according to directions, namely north-south, east-west, southeast-northwest, and southwest-northeast. Through the movement of the wind vane, the corresponding magnetic proximity switches are closed, and the switch signals are transmitted to the PLC. The PLC drives the double-stage worm and worm gear reduction motor to realize the multi-angle switching of the wind baffle. Through the reduction of the motor reducer, the movement is transmitted to the main shaft sprocket at the bottom layer of the wind baffle anti-freezing device by the sprocket on the output shaft driving the chain. The sprocket drives the main shaft to rotate. Since the positions of the wind baffle, the main shaft, the sprocket, and the transmission connecting rod connecting plate are relatively fixed, the wind baffle and the transmission connecting rod connecting plate make rotational movements, and the transmission connecting rod connecting plate drives the connecting rod to make a curved movement. The transmission connecting rod drives the upper and middle layer rotating shafts of the wind baffle through the transmission connecting rod connecting plates at the lower layer of the wind baffle to make synchronous rotational movements, realizing the synchronous rotational movement of each group of wind baffles within the unit. This movement is transmitted to the upper layer wind baffle through the movement transmission connecting plates fixed on the wind baffles between the upper and lower layers at the left and right ends within the unit. Since the movement transmission structures of each layer are the same, the wind baffles of each layer on the same unit are driven by the same motor to make synchronous rotational movements. It realizes flexible operation and individual controllability.

[0067] It should be noted that the programmable logic controller (PLC) is a digital operation electronic system specially designed for application in industrial environments. It uses a programmable memory to store instructions for performing operations such as logical operations, sequential control, timing, counting, and arithmetic operations inside it, and controls various types of mechanical equipment or production processes through digital or analog inputs and outputs.

[0068] It should be noted that DCS is the English abbreviation of Distributed Control System, and it is also called distributed control system in the domestic automatic control industry in China. The so-called distributed control system, or the distributed system in some materials, is a new type of computer control system relative to the centralized control system, and it is developed and evolved on the basis of the centralized control system. It is a multi-level computer system composed of a process control level and a process monitoring level connected by a communication network. Based on microprocessors, it is characterized by decentralized control of hazards, centralized operation and management, integrating advanced computer technology, communication technology, CRT technology and control technology (i.e., 4C technology). Its basic idea is decentralized control, centralized operation, hierarchical management, flexible configuration and convenient configuration. With the rapid development of modern computer and communication network technology, DCS is developing towards diversification, networking, openness and integrated management, enabling different models of DCS to be interconnected for data exchange, and connecting the DCS system to the factory management network through Ethernet to realize real-time data on the Internet.

[0069] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cooling tower horizontal axial rotating windshield adjustment device, arranged around the outer periphery of the cooling tower herringbone column (11), characterized in that: The invention comprises a frame unit (2) and a transmission mechanism (4) arranged on the top of a cooling tower ring base (1); a windshield unit (3) is movably connected to the frame unit (2); the windshield unit (3) is movably connected to the transmission mechanism (4); the transmission mechanism (4) is electrically connected to a control system (6); the control system (6) is used to control the transmission mechanism (4) to drive the windshield unit (3) so that the windshield unit (3) rotates around its movably connected point with the frame unit (2).

2. The cooling tower horizontal axial rotating wind shield adjustment device according to claim 1 is characterized in that: The windshield unit (3) comprises a first windshield (31) and a second windshield (32); linkage clips (33) for fixedly connecting the second windshield (32) are provided at the bottoms of the left and right ends of the first windshield (31); and a torque arm (34) is fixedly provided at the bottom of one end of the second windshield (32) away from the first windshield (31).

3. The cooling tower horizontal axial rotating wind shield adjustment device according to claim 2, characterized in that: The transmission mechanism (4) comprises a two-stage reducer (41) arranged at the top of the cooling tower ring base (1) and a transmission shaft (47) connected to the output shaft of the two-stage reducer (41); the transmission shaft (47) is rotatably connected to one end of a crank arm (44); the other end of the crank arm (44) is rotatably connected to a transmission rod (49); and the transmission rod (49) is rotatably connected to the second wind deflector (32) via a torque arm (34).

4. The cooling tower horizontal axial rotating wind shield adjustment device according to claim 3, characterized in that: An adjustment pad (43) is provided between the two-stage reducer (41) and the cooling tower ring base, and a reducer seat (42) is provided between the adjustment pad (43) and the cooling tower ring base.

5. The cooling tower horizontal axial rotating wind shield adjustment device according to claim 1, characterized in that: A ceiling (5) is provided on the top of the frame unit (2); one end of a longitudinal beam (51) of the ceiling (5) is connected to the side wall of the cooling tower herringbone column (11) and the other end is connected to the top of the frame unit (2); a cross beam (54) is provided on the top of the longitudinal beam (51); and a reflective plate (56) is provided on the top of the cross beam (54).

6. The cooling tower horizontal axial rotating wind shield adjustment device according to claim 1, characterized in that: The control system (6) comprises a local control box, a remote control cabinet, a weather vane and a DCS which are electrically connected to each other.

7. The cooling tower horizontal axial rotating wind shield adjustment device according to claim 1 or 6, characterized in that: It also includes a monitoring system (9), which is electrically connected to the control system (6) and is used to monitor the status of the windshield unit (3) in real time.

8. The cooling tower horizontal axial rotating wind shield adjustment device according to claim 7, characterized in that: The monitoring system (9) comprises wide-angle cameras arranged around the cooling tower.

9. The cooling tower horizontal axial rotating wind shield adjustment device according to claim 1, characterized in that: The top of the cooling tower ring base (1) is also provided with a windshield inspection door (7) and a windshield safety door (8).