Automatic spraying cooling method for air cooling island

Abstract

The invention provides an automatic spraying cooling method for an air cooling island, and solves the problems that an existing air cooling island auxiliary cooling spraying device is complex in structure, and a spraying cooling control and adjustment method is complex, and according to the technical scheme, the cooling method comprises the following steps that an air cooling island automatic spraying cooling system is arranged on the air cooling island; checking equipment and a control system; opening water supply and opening a water inlet valve of a water supply system; adjusting pressure to start spraying; cooling is controlled, and a PLC of the master control cabinet judges according to a preset temperature threshold value; monitoring parameters; and observing the spraying effect. The system can automatically perform spray cooling according to the real-time temperature of the air cooling island, strengthen the cooling effect of the air cooling island, increase the air humidity, prevent corrosion and dust accumulation, cope with the environment temperature change, reduce the operation of cooling auxiliary equipment, relieve the thermal stress of the air cooling island, assist in improving the cooling efficiency of the air cooling island, improve the output of a generator set and save energy.

Description

Technical Field

[0001] The present invention relates to the technical field of air-cooling island cooling, in particular to an automatic spray cooling method for an air-cooling island, which is suitable for auxiliary cooling of an air-cooling island in a power plant. Background Art

[0002] Air-cooling islands are important cooling facilities in industrial areas such as power plants. Traditional air-cooling island heat exchangers typically feature triangular fins on top, with air-cooling tube bundles coiled around the fins. Air-cooling steam distribution pipes are installed on top of the fins to connect to the power plant's hot steam. Multiple fans are installed beneath the triangular fins, which drive air flow to cool the high-temperature steam. In high-temperature environments, the cooling efficiency of the air-cooling island is significantly affected, thereby affecting the efficiency of the overall power generation or industrial production process. Traditional air-cooling islands often face insufficient cooling capacity under high-temperature conditions, and existing cooling measures have many shortcomings. For example, some cooling methods consume high energy, while others cannot automatically adjust according to actual temperature and cooling needs, resulting in wasted resources or unsatisfactory cooling effects. These methods fail to meet the requirements for efficient and stable operation of the air-cooling island under complex operating conditions. Patent document with announcement number CN118856930A discloses an air-cooling island spray cooling system, which uses a spray device driven by a front-and-rear sliding adjustment mechanism set inside and outside the main fins of the air-cooling island. The spray device is connected to a water pump, and a black ball thermometer is set on the internal guardrail of the air-cooling island. The temperature distribution information of the inner and outer surfaces of the air-cooling island tube bundle fins is also monitored by an infrared temperature tester. The spray device is also controlled and adjusted by the temperature conditions detected by complex calculations of the control cabinet module. Its structure is complex, the equipment cost is high, and the method of detecting and adjusting the spray equipment is complicated, making it difficult to be widely popularized and applied. Summary of the Invention

[0003] The purpose of the present invention is to provide an automatic spray cooling method for an air-cooling island, which solves the problems of complex structure of the existing air-cooling island auxiliary cooling spray equipment and complex control and adjustment of the spray cooling method. It can improve the low cooling efficiency under high temperature conditions by setting an auxiliary automatic spray cooling device, accurately monitor the temperature in real time, improve the ambient temperature, improve the cooling efficiency, simplify the equipment, and save energy.

[0004] The technical solution adopted by the present invention is: the automatic spray cooling method of the air cooling island includes the following steps: S1. An automatic spray cooling system for an air-cooling island is set up in the air-cooling island. The spray device used in the automatic spray cooling system for the air-cooling island includes an atomizing nozzle arranged in a triangular area formed by the overlap of the heat dissipation fins of the air-cooling island. The atomizing nozzle is connected to the water pump through a water supply pipeline provided with an electric valve. Temperature sensors are respectively provided at the cooling water outlet of the air-cooling cooling tube bundle of the heat dissipation fins of the air-cooling island and the steam inlet of the air-cooling steam distribution pipe. A PLC controller, an analog input module, a contactor and a relay are provided through the main control cabinet. The PLC controller is electrically connected to the electric valve and the water pump, and is connected to the temperature sensor through the analog input module. The PLC controller is used to receive the temperature sensor signal, control the electric valve and control the operation of the water pump through the contactor and the relay; the spray water inlet of the spray device is provided with a spray water inlet pressure sensor and a spray water inlet flow sensor, and the water pump water inlet pressure sensor is provided at the water inlet of the water pump. The spray water inlet pressure sensor, the spray water inlet flow sensor and the water pump water inlet pressure sensor are electrically connected to the PLC controller.

[0005] S2. Equipment and control system inspection: Check whether all components of the automatic spray cooling system of the air-cooled island are intact, check for damage, leakage, blockage, etc., ensure that the components are firmly connected, and repair or replace them in time when problems are found; check whether all functions of the control system are normal, including the accuracy and reliability of the sensors, to ensure that the control system can accurately monitor and control the operation of the spray system.

[0006] S3. Start water supply: Open the water inlet valve of the water supply system and start the water pump after the water level in the water tank reaches the water supply volume. Before starting the water pump, make sure that the water pump is full of water to avoid idling and damaging the water pump. S4. Adjust the pressure to start spraying: Adjust the outlet valve of the water pump or the frequency converter according to the actual needs of the air-cooling island. When the water pressure stabilizes, open the relevant valves in the spray system to allow water to be transported to the atomizing nozzle through the spray pipe and start spraying. When opening the valve, operate slowly to avoid excessive impact of the water that may cause damage to the pipe and nozzle. S5. Control cooling: The PLC controller in the master control cabinet makes a judgment based on the preset temperature threshold. When the detected temperature is higher than the set upper threshold, the PLC controller outputs a signal to start the electric valve and spray device; when the temperature drops below the lower threshold, the PLC controller outputs a signal to close the electric valve and spray device; when the PLC receives temperature signals from multiple sensors, the system responds to the sensor data with the higher temperature first, and promptly controls the water pump and electric valve to increase the pressure and flow to ensure that the temperature is within the normal range; S6. Parameter monitoring: During the operation of the spray system, continuously monitor water flow, pressure, temperature and other parameters. Through the display screen or instrument of the control system, you can know in real time whether the operating status of the system is within the normal range. If you find that the water flow rate is abnormally reduced, you should check it in time. S7. Observation of spray effect: Regularly observe the spray effect of the atomizing nozzle and check whether the particle size, spray angle, coverage, etc. of the water mist meet the requirements. If the water mist is found to be uneven, dripping, or the spray direction deviates, the position or angle of the nozzle should be adjusted in time, or the nozzle should be checked for blockage.

[0007] The atomizing nozzles are multiple main water spray pipes vertically arranged in the center of the triangular area formed by the overlapping of the heat dissipation fins. The main water spray rods are provided with multiple atomizing nozzles close to the inner side of the heat dissipation fins through branch pipes.

[0008] The distance between the atomizing nozzle and the cooling tube bundle of the heat dissipation fins is 30 to 50 cm.

[0009] The water supply pipeline is connected to a filtering device for filtering impurities and particulate matter.

[0010] The advantages and positive effects of the present invention are as follows: since the automatic spray cooling method for an air-cooled island of the present invention adopts an atomizing nozzle of a spray device to spray in the triangular area formed by the overlap of the heat dissipating fins of the air-cooled island, the atomizing nozzle is connected to a water pump through a water supply pipeline provided with an electric valve, and can spray in the triangular area of ​​the heat dissipating fins of the air-cooled island to form an atomizing space, effectively reducing the temperature of the surrounding air, and at the same time, can also quickly cool the surface of the heat dissipating fins; temperature sensors are respectively provided at the cooling water outlet of the air-cooling cooling tube bundle of the air-cooling island heat dissipating fins and the steam inlet of the air-cooling steam distribution pipe, which can detect the cooling water outlet temperature and the steam inlet temperature of the air-cooling cooling tube bundle of the air-cooling island in real time and accurately; the PLC controller can receive the detection signal of the temperature sensor to control the start and stop operation of the electric valve and the water pump, thereby playing the role of automatically adjusting the spray device, thereby effectively controlling the water spraying amount and energy consumption of the atomizing nozzle. Therefore, it can automatically perform spray cooling according to the real-time temperature of the air-cooling island, enhance the cooling effect of the air-cooling island, increase air humidity, prevent corrosion and dust accumulation, respond to changes in ambient temperature, reduce the operation of cooling auxiliary equipment, alleviate the thermal stress of the air-cooling island, assist in improving the cooling efficiency of the air-cooling island, increase the output of the generator set, and save energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention will be further described below with reference to the accompanying drawings.

[0012] Figure 1 This is a schematic diagram of the overall structure of the automatic spray cooling system for the air cooling island according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the connection principle of the air cooling island automatic spray cooling system of the present invention; Figure 3 This is a schematic diagram of the structure of the master control cabinet according to an embodiment of the present invention; Figure 4 Schematic diagram of the atomizing nozzle structure according to an embodiment of the present invention.

[0013] Explanation of the sequence numbers in the figure: 1 spray device, 2 atomizing nozzle, 3 electric valve, 4 spray water inlet pressure sensor, 5 spray water inlet flow sensor, 6 water pump, 7 main control cabinet, 8 water pump control bus, 9 water supply pipeline, 10 temperature sensor, 11 water pump inlet pressure sensor, 12 water pump inlet pipe, 13 feedback DCS master control signal line, 14 air cooling island heat sink, 15 air cooling tube bundle, 16 steam inlet, 17 fan, 18 atomizing nozzle, 21 main water spray pipe, 71 PLC controller, 72 analog input module, 73 circuit breaker, 74 air switch, 75 relay, 76 contactor, 77 terminal block. DETAILED DESCRIPTION

[0014] according to Figure 1-4 Describe the specific scheme of the present invention in detail, implement for example Figure 1 and Figure 2 As shown, an automatic spray cooling method for an air cooling island includes the following steps: S1. Install an automatic spray cooling system on the air cooling island.

[0015] The automatic spray cooling system for an air-cooled island primarily consists of a spray device 1 and a sensor module connected by a control system. The spray device 1 includes an atomizing nozzle 2, a water supply line 9, and a water pump 6. The atomizing nozzle 2 is positioned within the triangular area formed by the overlapping heat sink fins 14 of the air-cooled island. A fan 17 is located beneath the heat sink fins. The atomizing nozzle is connected to the water pump 6 via a water supply line 9 equipped with an electric valve 3. The atomizing nozzle 2 is a key component of the spray device, converting water into fine mist particles. The type and performance of the atomizing nozzle directly impact the effectiveness and quality of the spray. Its design must ensure a uniform, fine mist that effectively contacts the air and enhances evaporative cooling efficiency. The water pump 6 provides power for water delivery, pressurizing water from the inlet source and delivering it to the spray pipe. Depending on actual needs, different types of water pumps, such as multi-stage pumps, may be deployed. Some systems also include a backup water pump to ensure the spray device remains operational in the event of a primary water pump failure. The water supply pipe 9 delivers water to the spray nozzle through the water pump, and the water supply is controlled by the electric valve. Its material needs to have a certain degree of pressure resistance and corrosion resistance to ensure the safe and stable operation of the system. The water pump inlet pipe 12 is connected to the water tank of the water supply system through a water supply pipe equipped with a water inlet valve.

[0016] The sensor module primarily utilizes temperature sensors 10, which are located in key locations on the air-cooling island, such as near the cooling water outlet of the air-cooling tube bundle 15 of the island's heat sinks and the steam inlet 16 of the air-cooling steam distribution pipe. Multiple high-precision temperature sensors are installed. These sensors accurately monitor the island's temperature in real time and transmit this data to the control system. For example, platinum resistance temperature sensors offer a measurement accuracy of ±0.1°C, adapting to the high-temperature environment and complex operating conditions of the island.

[0017] The control system is the core of the entire automatic spray cooling system. Figure 3 As shown, the main control cabinet 7 is equipped with a PLC controller 71, an analog input module 72, a contactor 76, a circuit breaker 73, a relay 75, an air switch 74, and a terminal block 77. The core processor of the control system is a PLC controller 71, also known as a programmable logic controller (PLC), which offers advantages such as high reliability, flexible programming, and ease of expansion. The PLC controller 71 in the main control cabinet 7 is connected to the electric valve 3 and the water pump 6 via the water pump control bus 8. It receives temperature sensor signals via the analog input module 72 to control the electric valve 3 and the water pump via the control components of the main control cabinet, such as the contactor 76 and relay 75. The analog input module 72 receives temperature data from the temperature sensor 10 and transmits it to the PLC controller 71. The PLC controller 71 can use conventional methods to set a preset detection signal threshold, and make judgments based on the preset temperature threshold. When the detected temperature exceeds the set upper threshold, the PLC controller 71 outputs a signal to activate the electric valve 3 and the spray device 1; when the temperature drops below the lower threshold, the PLC controller 71 outputs a signal to close the electric valve 3 and the spray device 1. In the master control cabinet 7, a PLC controller 71 controls the contactor 76 and relay 75 to close, activating the water pump motor. Terminal block 77 outputs a signal via the connected feedback DCS master control signal line 13 for use by the upstream power plant DCS control system. Furthermore, when receiving temperature signals from multiple sensors, this control system prioritizes data from sensors with higher temperatures through the PLC controller, promptly controlling the water pump and electric valve to increase pressure and flow to ensure temperatures remain within normal ranges. A spray water inlet pressure sensor 4 and a spray water inlet flow sensor 5 are installed at the spray water inlet of the spray device 1. These sensors are connected to the PLC controller via an analog input module 72. A pump inlet pressure sensor 11 can also be installed at the water inlet of the water pump 6 and electrically connected to the PLC controller. This allows monitoring of the water pressure and flow in the water supply pipeline, and the PLC controller can be used to adjust and control the water pump, achieving closed-loop control.

[0018] S2. Inspection of equipment and control systems: Check whether all components of the automatic spray cooling system of the air-cooled island are intact, including water tanks, water pumps, valves, pipes, atomizing nozzles, etc. Check for damage, leakage, blockage, etc., ensure that the components are firmly connected, and repair or replace them in time if any problems are found. For example, check whether the nozzle of the atomizing nozzle is unobstructed. If there is a blockage, it must be carefully cleaned to avoid affecting the spray effect. Confirm the operating status of the drive device (such as the motor, etc.), check whether its wiring is correct, whether the motor can operate normally, and whether there is any abnormal noise or heat. Check whether the various functions of the control system are normal, including the accuracy and reliability of sensors (such as temperature sensors, pressure sensors, etc.), as well as the operating interface, parameter settings, alarm functions, etc. of the controller. Ensure that the control system can accurately monitor and control the operation of the spray system.

[0019] S3. Start water supply: Open the water inlet valve of the water supply system and start the water pump after the water level in the water tank reaches the water supply volume; before starting the water pump, make sure that the water pump is full of water to avoid idling and damaging the water pump; if there is a spare water pump in the system, its switch should be set to standby status.

[0020] S4. Adjust the pressure and start spraying: Based on the actual needs of the air-cooled island and the desired spray quality, adjust the water pressure to the appropriate range by adjusting the pump's outlet valve or the frequency converter. Generally speaking, excessive pressure may damage the nozzles or cause uneven spraying, while excessively low pressure can affect spray coverage and cooling effectiveness. Once the water pressure stabilizes, open the relevant valves in the spray system to allow water to flow through the spray pipes to the atomizing nozzles and initiate spraying. Open the valves slowly to avoid damage to the pipes and nozzles caused by excessive water pressure.

[0021] S5. Control cooling: The PLC controller in the master control cabinet makes a judgment based on the preset temperature threshold. When the detected temperature is higher than the set upper threshold, the PLC controller outputs a signal to start the electric valve and spray device; when the temperature drops below the lower threshold, the PLC controller outputs a signal to close the electric valve and spray device; when the PLC receives temperature signals from multiple sensors, the system responds to the sensor data with the higher temperature first, and promptly controls the water pump and electric valve to increase the pressure and flow to ensure that the temperature is within the normal range; S6. Parameter Monitoring: During spray system operation, continuously monitor water flow, pressure, temperature, and other parameters, as well as the temperature of the air cooling island and other environmental parameters. Use the control system's display or instrumentation to monitor the system's operating status in real time and ensure that all parameters are within normal ranges. For example, if an abnormal decrease in water flow is detected, it may indicate a pipe blockage or pump failure, which requires prompt investigation.

[0022] S7. Observation of spray effect: Regularly observe the spray effect of the atomizing nozzle and check whether the particle size, spray angle, coverage, etc. of the water mist meet the requirements. If the water mist is found to be uneven, dripping, or the spray direction deviates, the position or angle of the nozzle should be adjusted in time, or the nozzle should be checked for blockage.

[0023] As a further improvement, Figure 4 As shown, the atomizing nozzle 2 can be implemented as multiple main water spray pipes 19 vertically positioned in the center of the triangular area formed by the overlapping fins 14 of the air-cooling island. The main water spray rod is equipped with multiple atomizing nozzles 18, which are connected through branch pipes and close to the inner surface of the fins. The optimal distance between the atomizing nozzles and the cooling tube bundle of the fins is 30 to 50 cm. This distance ensures that the water mist evenly covers the tube bundle surface, achieving good heat exchange while preventing erosion caused by too close a distance.

[0024] As a further improvement, a filtering device for filtering impurities and particulate matter can be connected to the water supply pipeline. The filtering device can adopt multi-stage filtration, including coarse filtration, fine filtration and other links. For example, a quartz sand filter can be used as a coarse filter to remove larger particulate impurities, and then an activated carbon filter can be used for fine filtration to further improve the water quality.

[0025] The installation steps of the automatic spray cooling system for the air-cooling island are as follows: 1. First, during the design and planning phase of the air-cooling island, determine the installation locations for various sensors. Based on the air-cooling island's structural characteristics and heat flow distribution, install temperature sensor 10 at the cooling water outlet of the air-cooling tube bundle 15 and temperature sensor 10 at the air-cooling steam inlet 16. Install water pump inlet pressure sensor 11 at the water pump inlet, and install spray inlet pressure sensor 4 and spray inlet flow sensor 5 at the spray inlet. During installation, ensure that the sensors are in good contact with the measured surface or in an accurate measurement environment to ensure accurate measurement data.

[0026] 2. Install the control system. Place the master control cabinet 7 in a control room near the air-cooling island, ensuring a dry and well-ventilated environment. Place the electric valve 3 on the air-cooling island's fan platform. Connect various sensors to the master control cabinet 7 via signal cables to ensure stable and reliable signal transmission. Use a PLC controller to set appropriate temperature thresholds and control logic.

[0027] 3. Install a spray device. Water pump 6 supplies water to the entire system. The primary installation location is the pump room under the air-cooling island. The water source can be industrial water or treated reclaimed water. Before the water enters the water supply pipeline, a filter is installed to remove impurities and particulate matter from the water to prevent nozzle clogging. The filter can use multi-stage filtration, including coarse filtration and fine filtration. For example, a quartz sand filter can be used for coarse filtration to remove larger particles, followed by an activated carbon filter for fine filtration to further improve water quality. The main spray line is evenly distributed around the air-cooling island's fins to ensure that the spray coverage covers the entire area requiring cooling. In a direct air-cooling system, the core component of the air-cooling island is the air-cooling cooling tube bundle installed on the air-cooling island's fins. The nozzle is installed between the tube bundles, allowing the sprayed atomized water to act directly on the surface of the finned tube bundle. This enhances the cooling effect by utilizing the heat absorbed by water evaporation. For example, in large power plant air-cooling islands, nozzles are strategically placed between the tube bundles. When atomized water is sprayed out, it evaporates on the surface of the finned tube bundle, removing a significant amount of heat and effectively reducing the temperature of the steam or other media within the bundle. The nozzles must be installed at an appropriate distance from the tube bundle to prevent direct impact of the spray, which could damage the fins. A typical distance of approximately 30 to 50 centimeters from the tube bundle surface is ideal. This distance ensures even coverage of the tube bundle surface, ensuring good heat exchange while preventing erosion caused by close proximity. Water supply piping is constructed of corrosion-resistant materials, such as stainless steel, to ensure long-term, stable operation. The pump provides sufficient pressure for the spray, with its flow rate and head appropriately selected based on the size of the air-cooling island and the spray requirements.

[0028] Working Principle: The temperature sensors installed in this air-cooling island's automatic spray cooling system monitor the island's ambient temperature and the temperature parameters of key cooling water outlet locations in real time. When the monitored temperature reaches or exceeds the set threshold, the control system automatically activates the spray cooling system based on pre-set logic, determines the spray intensity, duration, and spray area, and issues operating instructions to related equipment such as pumps and nozzles. During the spray cooling process, the temperature sensor continuously monitors temperature changes. The control system automatically adjusts the spray flow and pressure parameters based on the difference between the real-time temperature data and the set temperature, forming a closed-loop feedback control loop to ensure that the cooling effect remains stable within the set range and the air-cooling island temperature is always maintained at its optimal operating state.

[0029] The automatic spray cooling method for air-cooled islands disclosed in this invention effectively solves the problem of low cooling efficiency in high-temperature environments. It accurately monitors temperature in real time, improves ambient temperature, enhances cooling efficiency, simplifies equipment, and conserves energy. This method achieves automatic, efficient, and energy-saving cooling, ensures stable operation of the air-cooled island, and improves industrial production efficiency.

[0030] In summary, the purpose of the present invention is achieved.

Claims

1. An automatic spray cooling method for an air cooling island, comprising the following steps: S1. An automatic spray cooling system for an air-cooling island is set up in the air-cooling island. The spray device used in the automatic spray cooling system for the air-cooling island includes an atomizing nozzle set in a triangular area formed by the overlap of the cooling fins of the air-cooling island. The atomizing nozzle is connected to a water pump through a water supply pipeline provided with an electric valve. Temperature sensors are respectively set up at the cooling water outlet of the air-cooling cooling tube bundle of the cooling fins of the air-cooling island and the steam air inlet of the air-cooling steam distribution pipe. A PLC controller, an analog input module, a contactor, a relay and a terminal block are set up through the main control cabinet. The PLC controller is electrically connected to the electric valve, the water pump and the temperature sensor. The PLC controller is used to receive the temperature sensor signal, control the electric valve and control the operation of the water pump through the contactor and the relay; the spray water inlet of the spray device is provided with a spray water inlet pressure sensor and a spray water inlet flow sensor, and the water inlet of the water pump is provided with a water pump inlet pressure sensor. The spray water inlet pressure sensor, the spray water inlet flow sensor and the water pump inlet pressure sensor are electrically connected to the PLC controller; S2. Equipment and control system inspection: Check whether all components of the air-cooling island automatic spray cooling system are intact, check for damage, leakage, blockage, etc., ensure that the components are firmly connected, and repair or replace them in time when problems are found; check whether all functions of the control system are normal, including the accuracy and reliability of the sensor, to ensure that the control system can accurately monitor and control the operation of the spray system; S3. Start water supply: Open the water inlet valve of the water supply system, and start the water pump after the water level in the water tank reaches the water supply volume; before starting the water pump, make sure that the water pump is full of water to avoid idling and damaging the water pump; S4. Adjust the pressure to start spraying: adjust the outlet valve of the water pump or the frequency converter according to the actual needs of the air cooling island. When the water pressure is stable, open the relevant valves in the spray system to transport the water to the atomizing nozzle through the spray pipe and start spraying. When opening the valve, operate slowly to avoid excessive impact of water causing damage to the pipe and nozzle. S5, control cooling: the PLC controller of the main control cabinet makes a judgment based on the preset temperature threshold. When the detected temperature is higher than the set upper threshold, the PLC controller outputs a signal to start the electric valve and spray device; when the temperature drops below the lower threshold, the PLC controller outputs a signal to close the electric valve and spray device; when the PLC receives temperature signals from multiple sensors, the system responds to the sensor data with higher temperature first, and controls the water pump and electric valve in time to increase the pressure and flow to ensure that the temperature is within the normal range; S6. Parameter monitoring: During the operation of the spray system, continuously monitor the water flow, pressure, temperature and other parameters. Through the display screen or instrument of the control system, you can know in real time whether the operating status of the system is within the normal range. When the water flow is found to be abnormally reduced, check it in time; S7. Observation of spray effect: Regularly observe the spray effect of the atomizing nozzle, and check whether the particle size, spray angle, coverage, etc. of the water mist meet the requirements. If the water mist is found to be uneven, dripping, or the spray direction is deviated, the position or angle of the nozzle should be adjusted in time, or the nozzle should be checked for blockage.

2. The automatic spray cooling method for air cooling island according to claim 1 is characterized in that: The atomizing nozzles are a plurality of main water spray pipes vertically arranged in the central part of the triangular area formed by overlapping the heat dissipation fins, and the main water spray rod is provided with a plurality of atomizing nozzles close to the inner side of the heat dissipation fins through branch pipes.

3. The air cooling island automatic spray cooling system according to claim 1 is characterized by: The distance between the atomizing nozzle and the cooling tube bundle of the heat dissipation fins is 30 to 50 cm.

4. The air cooling island automatic spray cooling system according to claim 1 is characterized by: The water supply pipeline is connected to a filtering device for filtering impurities and particulate matter.

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