124 results about "Evaporative cooler" patented technology

The invention relates to the field of evaporative coolers, and provides a tube box type evaporative cooler which comprises a box body, a heat exchange cavity is formed in the interior of the box body, the bottom end of the interior of the heat exchange cavity is fixedly connected with a discharging barrel used for discharging redundant cooling water and steam, the top side of the discharging barrel is fixedly connected with a cooling tube, and the top side of the cooling tube is fixedly connected with a heat exchanger. The cooling device comprises a plurality of cooling pipes, the input ends of the plurality of cooling pipes are communicated, the output ends of the plurality of cooling pipes are communicated, the outer walls of the cooling pipes are provided with annular grooves and cooling fins used for heat dissipation, and the cooling pipes are spirally arranged along with the cooling pipes. Air pressure expansion caused by the fact that air flow is hindered during air inlet can be fully used as power, relevant performance optimization and resource utilization of the cooler are carried out, under the condition that normal cooling work is not hindered, the air inlet flow of cooling air and the spraying flow of cooling water of the cooler are optimized, and the cooling efficiency of the cooler is improved. Therefore, the overall performance and the operation economy of the equipment are improved.

The invention belongs to the field of air conditioning units, and relates to a multi-stage refrigerating and heating aircraft ground air conditioning unit and a control method thereof, the multi-stage refrigerating and heating aircraft ground air conditioning unit comprises a first-stage module, a second-stage module, a third-stage module, a fourth-stage module and an air supply section; the first-stage module, the second-stage module, the third-stage module, the fourth-stage module and the air supply section are sequentially communicated through air conditioner air supply channels, the first-stage module comprises an indirect evaporative cooler, and the indirect evaporative cooler is provided with a cooling water pipeline; the second-stage module comprises an absorption type refrigerating unit, a solar heat collector and a gas-oil heat exchanger, the solar heat collector is circularly connected with the absorption type refrigerating unit and the gas-oil heat exchanger through heat conduction oil pipelines, and a cooling water pipeline is connected with the absorption type refrigerating unit; the third-stage module adopts a vapor compression type refrigerating unit; the fourth-stage module adopts an electric heater; the air supply section comprises an air feeder and a fresh air supply outlet, and the fresh air supply outlet communicates with the outside of the aircraft ground air conditioning unit. Solar energy and dry air energy can be utilized to form multi-stage refrigeration and heating, and energy consumption is reduced.

A modular utility system integrates clean power generation, thermal management, and security monitoring within a standardized shipping container format. The system comprises a generator set (70 kW-600 kW) configured for operation with multiple fuel sources including natural gas, propane, methane, or hydrogen, coupled to a water-fired absorption chiller utilizing waste heat recovery. A closed-circuit evaporative cooler enhances thermal efficiency without chemical additives. The system incorporates a 360-degree security camera and remote monitoring capabilities for tracking operational parameters. A power distribution panel (460V, 3-phase) supports both building power supply and electric vehicle charging stations. The modular architecture enables scalable deployment through dual-module configurations, with separate power generation and thermal management units. The system provides sustainable, off-grid power generation while maximizing energy efficiency through integrated waste heat utilization and advanced thermal management protocols.

An evaporative cooling system comprises, in some embodiments, an enclosure, an air inlet that enables air to flow into the enclosure, an air outlet that enables air to flow out of the enclosure, and an atomizer positioned within the enclosure, wherein the atomizer receives water from a water source and generates a mist of the water within the enclosure. Air from the air inlet is circulated through the enclosure and thereby cooled by evaporation of the mist, and the cooled air is provided at the air outlet. The system includes a controller coupled to receive measurements of conditions relating to the operation of the system and to generate control signals that control operation of the atomizer, fan or other components of the system.

The invention discloses a converter dry dedusting blowing control method and related equipment, and relates to the technical field of converter steelmaking processes, the method comprises the steps that converter blowing parameters are obtained, and the converter blowing parameters comprise the molten iron silicon content and the converter tonnage; determining blowing oxygen flow based on the converter blowing parameters; the inlet temperature and flue gas components of the evaporative cooler are monitored in real time; and based on the blowing oxygen flow, when the oxygen content in the flue gas components is lower than a preset first threshold value and the inlet temperature is higher than a preset second threshold value, the blowing starting stage is completed, and the main blowing control stage is started. According to the method, the oxygen flow is dynamically determined by obtaining the converter blowing parameters, the end condition of the blowing starting stage is accurately judged in combination with the evaporative cooler inlet temperature and the flue gas components monitored in real time, and the production efficiency and the process stability of converter steelmaking are improved.

The invention provides a carbon capture system for flue gas total heat recovery, which is characterized in that an absorber is respectively connected with a condenser, an evaporative cooler and a solution heat exchanger through pipelines, the solution heat exchanger is connected with a generator through a pipeline, the first condenser is connected with a water tank, and the evaporative cooler is connected with an absorption tower; the lean and rich liquid heat exchanger is respectively connected with the desorption tower, the evaporative cooler, the absorber and the first condenser; the upper end of the desorption tower is connected with the second condenser, the lower end of the desorption tower is connected with the reboiler, one end of the MEA rich liquid pump is connected with the absorption tower, the other end of the MEA rich liquid pump is divided into two sub-paths which are respectively connected with the absorber and the first condenser, one end of the MEA barren liquid pump is connected with the reboiler, and the other end of the MEA barren liquid pump is connected with the barren and rich liquid heat exchanger. The invention further provides a carbon capture method for flue gas total heat recovery. According to the invention, the consumption of steam is reduced, the temperature of the absorption tower can be reduced, the combination of carbon dioxide in the absorption tower is promoted, and the trapping efficiency is improved.

The invention aims to provide a modularized low-energy-consumption dew-point evaporative cooling device based on a Tesla valve. Comprising an exhaust layer base (4), a top water tank (1) and a heat exchange group, wherein the heat exchange group is formed by alternately overlapping dry channel layers (3) and wet channel layers (2), the number of layers can be increased or decreased according to the refrigerating capacity requirement of a user, and a water supply pipeline and a product air outlet which are integrated are designed; external air enters the dry channel layer (3) through the inlet Tesla valve (14) on the windward side of the outer ring of the dry channel, one part of cooled air serves as product air to be exhausted through the product air outlet valve (16), the other part of cooled air serves as working air to enter the adjacent wet channel to be cooled, and then the cooled air is exhausted through the exhaust outlet channel (5) on the leeward side. In the design, only a small amount of water is consumed for evaporation and heat absorption in the refrigeration process, the side exhaust fan (17) is used for keeping the pressure of the wet channel layer (2) smaller than that of the dry channel layer (3) and does not serve as a power source for operation of the whole equipment, and therefore compared with a traditional dew-point evaporative cooler, the device is more energy-saving.

A hybrid heating and cooling system, the system comprising an indirect-direct evaporative cooler (IDEC) subsystem; a heat pump subsystem; and a mixing plenum located between and in fluid communication with the IDEC subsystem and the heat pump subsystem, the mixing plenum being configured to mix a flow of fluid from the IDEC subsystem and a flow of fluid from the heat pump subsystem. The IDEC subsystem and the heat pump subsystem are independently operable to achieve a plurality of heating and / or cooling modes of operation.

The invention discloses a converter smelting determination method and device, electronic equipment and a storage medium, and belongs to the technical field of converter smelting. The method comprises the following steps: matching a first gas content in an evaporative cooler before a converter to be detected is loaded with a first preset gas content standard, and determining a matching result; based on a matching result, determining whether to start blowing of the to-be-detected converter or not; after it is determined that blowing of the to-be-detected converter is started, whether a blowing permission instruction for blowing the to-be-detected converter is generated or not is determined on the basis of the second gas content at the outlet of the electrostatic dust collector before blowing and a second preset gas content standard; and after it is determined that the blowing permission instruction for blowing the converter to be detected is generated, the oxygen lance is controlled to descend in response to the blowing permission instruction, and the blowing process is started based on the preset oxygen lance control parameters corresponding to the oxygen lance. According to the invention, standardization of blowing of converters of different steel plant equipment can be realized. And the production efficiency and the yield of steel are further improved.

This invention relates to the field of heat exchange technology, specifically providing a control method for a compressed air air conditioning system, aiming to solve the problems of low heat exchange efficiency and high overall energy consumption in existing compressed air air conditioning systems. To this end, the compressed air air conditioning system of this invention includes a recirculating cooler, a centrifuge, a first indirect evaporative cooler, a compression-expansion unit, a second indirect evaporative cooler, a bypass branch, and a refrigerant circulation loop. The recirculating cooler includes a first recirculating cooling pipe and a second recirculating cooling pipe. The bypass branch can directly introduce air cooled by the first indirect evaporative cooler into the room to improve cooling efficiency and reduce cooling energy consumption. The refrigerant circulation loop can selectively operate to achieve further cooling. The control method of this invention includes: acquiring the outdoor ambient temperature; and controlling the operation mode of the compressed air air conditioning system according to the outdoor ambient temperature to ensure that the compressed air air conditioning system always maintains a high-efficiency operating state, thereby effectively reducing energy consumption.

The invention relates to a composite evaporative cooling machine, which combines a wet curtain with a heat exchanger to form an indirect-direct evaporative cooling composite air conditioner. The volume of the main engine body of the cooling system is set according to the volume of a cooling place to be controlled, and the main engine body is of a square structure in order to make the air inlet amounts of air inlet in all directions greatly equal. In order to improve the heat exchange efficiency, the thickness of the surface air cooler, the thickness of the wet curtain and the distance between the surface air cooler and the wet curtain are determined, and therefore enough collection space is reserved in the middle of the machine body. The evaporative cooling system can operate under multiple working conditions: when the temperature is high in summer, outdoor air firstly passes through the air-water finned tube type heat exchanger to be subjected to dry cooling and then is in direct contact with spraying water to be cooled, and due to the fact that water from a water inlet pipe comes from the outside due to natural fall, the cooling effect is good; and the water flows through the water inlet branch pipe and the water outlet branch pipe in the surface air cooler through natural fall, so that the power of the water pump is greatly saved, and the efficiency is greatly improved.

This invention provides an indoor air heat exchange and dehumidification system, comprising a heat pump subsystem, a dehumidification subsystem, and an evaporative cooler connected in sequence. The dehumidification subsystem includes at least two sets of desiccant-coated heat exchange units arranged in parallel. The indoor space is connected to the input end of each desiccant-coated heat exchange unit, and the output end of the evaporative cooler is connected to the indoor air to form a dehumidification and cooling circulation channel. The heat pump subsystem includes a heating and regeneration unit that provides high-temperature air for desiccant regeneration, and a heat absorption and dehumidification unit that provides cooling water required for dehumidification. The heating and regeneration unit and the heat absorption and dehumidification unit are respectively connected to the desiccant-coated heat exchange units through corresponding on / off valves, so that the desiccant-coated heat exchange units are in either regeneration mode or dehumidification mode. The desiccant-coated heat exchange unit in dehumidification mode is connected to the indoor space through the dehumidification and cooling circulation channel. This invention has the advantages of ensuring indoor air dehumidification and cooling effect and efficiency while saving energy.

The utility model discloses a solar full-spectrum-driven zero-carbon air conditioning system which comprises a solar photovoltaic system, a dehumidifier and a reverse-flow dew-point evaporative cooler. The solar photovoltaic system comprises a solar photovoltaic panel, a storage battery and a water tank, and a water cooling plate is arranged on the solar photovoltaic panel; the storage battery is used for storing electric energy generated by the solar photovoltaic panel and supplying power to the fan, and the water cooling plate is used for collecting heat generated by the solar photovoltaic panel and storing heated water in the water tank; the dehumidifier adopts an MOFs material as a desiccant and comprises two dehumidification modules, and the two dehumidification modules adopt a dehumidification-desorption alternate cycle working mode and alternately execute dehumidification operation and regeneration operation; the reverse-flow dew-point evaporative cooler comprises a dry channel and a wet channel, dry air dehumidified by the dehumidifier is divided into two parts at the tail end of the dry channel after passing through the dry channel, one part serves as working air to enter the wet channel to promote evaporation of a water film on the surface of the wet channel, and the other part serves as product air to be exhausted.

A multi-energy complementary mine dehumidification and air conditioning system based on metal-organic framework materials includes a dehumidification unit and a waste heat utilization unit, wherein the dehumidification unit includes an evaporative cooler, an air cooler, a solution cooler, a metal-organic framework composite membrane dehumidifier, a heat recovery device, a dilute solution tank, a liquid-liquid heat exchanger, a metal-organic framework composite membrane regenerator, a concentrated solution tank, a solar collector, and a hot water storage tank; the waste heat utilization unit includes a lean-burn gas turbine, first and second metal-organic framework adsorption beds, a gas storage tank, a high-temperature hot water storage tank, a gas storage tank, and a generator. Based on the high porosity and low regeneration temperature characteristics of the metal-organic framework material, the present invention fully utilizes solar energy, flue gas generated by methane combustion after exhaust air purification, and electrical energy to achieve a low-temperature and low-humidity summer mine air conditioning environment in an energy-saving and efficient manner, creating a suitable temperature and humidity environment for mine production and ensuring efficient mine operation while reducing energy consumption and greenhouse gas emissions.

The utility model relates to the technical field of energy, and discloses a heat source tower solution concentration device fully utilizing solar energy, which comprises a solar heat collector, the input end of the solar heat collector is fixedly connected with a solar heating circulating water pump, and the input end of the solar heating circulating water pump is fixedly connected with a heat source tower solution box. The output end of the heat source tower solution tank is fixedly connected with a solution concentration circulating pump, the output end of the solution concentration circulating pump is fixedly connected with a solution concentration evaporative cooler, the outside of the heat source tower solution tank is fixedly connected with a plurality of pipelines, and a dilute solution inlet valve is arranged outside one of the pipelines. Compared with the prior art, the cooling and heating system capable of fully utilizing the heat exchange amount of the heat source tower can recycle and reuse solution, energy consumed by the system comes from solar energy, loss of the solution in operation of the system is greatly reduced, and economical efficiency and energy-saving performance of the system are improved.

The invention relates to a transport container for transporting temperature-sensitive transport goods, comprising a container wall which encloses an interior space for receiving the transport goods and which has a plurality of walls which adjoin one another at an angle, the container wall having an opening for loading and unloading the interior space, the opening can be closed by at least one separate wall element, and wherein the container wall surrounds the interior on all sides except the opening, and wherein the container wall has an outer cover, an inner cover and an insulating layer structure (9) arranged between the outer cover and the inner cover, the invention relates to an inner cover (1) which is designed at least in three layers and comprises a first cover layer (11) and a second cover layer (12) which are held at a predetermined normal distance from each other by spacers (14), the spacers (14) being formed by parting strips, the partition strips divide the intermediate space in each wall between the first cover layer (11) and the second cover layer (12) into a plurality of chambers in which insulating elements or cooling units, such as latent heat storage elements (13), compressor cooling assemblies, Peltier coolers, evaporative coolers, are accommodated.

The invention discloses a cooling tower water saving technology based on sky radiation, and belongs to the technical field of building energy saving and water resource recovery. The system comprises an indirect evaporative cooler and an air water taking device with a sky radiation plate. The core innovation of the invention lies in that an air water taking device is additionally arranged at an evaporative cooling exhaust position, and the device utilizes a sky radiation plate to condense and take water from high-humidity air discharged by an evaporative cooler, and even can directly condense and take water from ambient air by utilizing a sky radiation cooling effect under the condition of an excellent'atmospheric window '. Collected water converges into the system water tank, cyclic utilization of water resources of the evaporative cooling system is achieved, and sustainability and comprehensive water utilization benefits of the evaporative cooling system can be remarkably improved (especially in a dry and hot climate zone).

An evaporative cooling system comprises, in some embodiments, an enclosure, an air inlet that enables air to flow into the enclosure, an air outlet that enables air to flow out of the enclosure, and an atomizer positioned within the enclosure, wherein the atomizer receives water from a water source and generates a mist of the water within the enclosure. Air from the air inlet is circulated through the enclosure and thereby cooled by evaporation of the mist, and the cooled air is provided at the air outlet. The system includes a controller coupled to receive measurements of conditions relating to the operation of the system and to generate control signals that control operation of the atomizer, fan or other components of the system.

Evaporative coolers and components therefor that may be used at any of a variety of mounting angles without compromising function or requiring complex and custom adjustments based on a particular mounting angle. In one embodiment, a reservoir for an evaporative cooler includes a water collection basin, a float valve assembly including a float valve housing, a float valve, a lift arm pivotably coupled to the float valve, and a float coupled to the lift arm, a pump, and a drain valve, the pump and the drain valve each being within the water collection basin.

The application discloses a kind of evaporative coolers of convenient disassembly, including box body, wherein box body two sides are respectively provided with first fixed plate and second fixed plate, the fixation of two sides of box body is realized by first fixed plate and second fixed plate, first fixed plate and second fixed plate below are provided with lower support plate, and the bottom of lower support plate below is provided with two groups of pedestal.The upper half of the vertical L-shaped folding plate of the present application is contacted with the side edge of the box body, and the lower half is contacted with the lower support plate, wherein the upper half of the second fixed plate is provided with a side fixing bolt, and the fixation of the right side edge of the box body and the second fixed plate is realized by the side fixing bolt, wherein the lower half of the second fixed plate is provided with a bottom fixing bolt, and the fixation above the lower support plate is realized by the bottom fixing bolt, which assists the first fixed plate to realize the structural fixation of the side edge of the box body, and the installation and disassembly are relatively simple.

The invention discloses a safe and efficient dismounting and replacing method for a 120 t converter evaporative cooling flue. According to the scheme, the 120 t converter evaporative cooling flue is disassembled and installed through the method, specifically, a non-metal compensator between an evaporative cooler and a tail section flue is installed in place, the tail section flue is hoisted, a main II section flue is hoisted, a main I section flue is hoisted, a furnace mouth section flue is hoisted, and a furnace mouth section flue supporting beam is recovered. The method comprises the following steps of: correcting centers of flues at the sections of an oxygen lance opening and a furnace mouth; correcting and fastening the flues by connecting bolts; correcting and welding a support and a suspension; mounting a movable smoke hood, mounting a heat-insulating suspended ceiling, mounting a charging hole and the oxygen lance opening, piping, testing pressure, mounting and recovering platform plates at each layer, transferring waste materials and cleaning a tower building. The replacement construction process is safely and efficiently completed in a high-quality and high-quality manner, the maintenance cost is saved, and the labor intensity of maintenance personnel is reduced.

The present invention discloses a double-return air type vacuum membrane dehumidification evaporative cooling air conditioning system and an operation regulation method, which solves the problem that it is difficult for the existing evaporative cooling air conditioning system to adjust the refrigerating capacity under the condition of constant air supply volume. The double-return air type vacuum membrane dehumidification evaporative cooling air conditioning system comprises a fan, a vacuum membrane dehumidifier, a dew point evaporative cooler, an air duct and a valve; the fan, the vacuum membrane dehumidifier and the dew point evaporative cooler are connected in series in sequence; the vacuum membrane dehumidifier comprises a feed side, a permeate side, a water vapor selective permeable membrane and a porous support layer; the dew point evaporative cooler comprises a dry channel and a wet channel; the air at the outlet of the dew point evaporative cooler is divided into four streams, the first stream is a supply air stream, the second stream is a wet channel air stream, the third stream is a cooling return air stream, and the fourth stream is a dehumidification return air stream. The present invention can provide a technical reference for the development of low-carbon energy-saving air conditioning systems.

A cooling system for a fuel cell onboard a vehicle includes a coolant circuit and an auxiliary evaporative cooler. The coolant circuit is configured to circulate a coolant including a phase change material therethrough and through a portion of the fuel cell to absorb heat from the fuel cell. The auxiliary evaporative cooler includes a coolant channel in fluid communication with the coolant circuit, an airflow channel in fluid communication with an ambient environment, and a selectively permeable membrane that physically separates the coolant channel from the airflow channel and is selectively permeable to the phase change material. The auxiliary evaporative cooler is configured to evaporatively cool the coolant flowing through the coolant channel by promoting evaporation and transport of the phase change material from the coolant flowing through the coolant channel, through the selectively permeable membrane, and into an ambient airflow flowing through the airflow channel.

To provide means for securing a supply air temperature suitable for general use such as indoor cooling and securing a required supply air flow rate without increasing in a size of a component apparatus on an extremely hot day in Japan.SOLUTION: A desiccant air conditioning device 100 includes a dehumidification rotor 10, a first indirect evaporative cooler 20, a second indirect evaporative cooler 24, a branch flow passage 26 and a humidification air circulation flow passage 40. The first indirect evaporative cooler 20 indirectly cools dehumidification air 1c dehumidified by the dehumidification rotor 10 by using outside air 3a and water spray 4a. In the branch flow passage 26, part of cooling air 1d cooled by the first indirect evaporative cooler 20 is supplied to a wet flow passage of the second indirect evaporative cooler 24. The second indirect evaporative cooler 24 indirectly cools remaining part of the cooling air 1d by using the part of the cooling air 1d cooled by the first indirect evaporative cooler 20 and the water spray 4b. In the humidification air circulation flow passage 40, humidification air 1f (including part of the cooling air 1d and steam) flowing out from the second indirect evaporative cooler 24 is supplied to an outside air inflow side of an outside air introduction blower 8a.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of mine anti-fog structures, and discloses a ventilation structure for treating mine underground operation point demisting and dehumidifying, which comprises a ventilation pipe, the lower surface of the ventilation pipe is fixedly connected with a support box, the inner wall of the ventilation pipe is provided with a demisting and dehumidifying assembly, a replacement assembly is arranged above the ventilation pipe, and the replacement assembly is provided with a ventilation hole. An automatic control cabinet is arranged below the supporting box, the demisting and dehumidifying assembly comprises a demisting and dehumidifying plate, and the demisting and dehumidifying plate is arranged on the inner wall of the ventilation pipe. According to the utility model, after the equipment is started, the fan drives air to flow in the ventilation pipe, the air is primarily treated by the demisting and dehumidifying plate, and then is deeply cooled and dehumidified by the refrigeration equipment matched with the evaporative cooler, condensed water is discharged through the drainage pipe, dry air is blown out from the air outlet, and the automatic control cabinet regulates and controls the operation of the equipment. The effects of improving the visibility of the working environment, reducing the fault risk of the equipment caused by humidity, and guaranteeing the working safety of personnel and the stable operation of the equipment are achieved.

The invention relates to the field of evaporative cooling devices, in particular to a special motor assembly for an evaporative cooler and a using method thereof, and the special motor assembly comprises a drainage mechanism which is used for introducing formed hot air into the device; the cooling mechanism is used for cooling the motor; the motor assembly comprises a cooling mechanism and a drainage mechanism, a protective cover shell is fixedly installed on the inner side of the cooling mechanism, the drainage mechanism is fixedly installed on the outer side of the protective cover shell, a perforated plate is fixedly installed at the end, away from the drainage mechanism, of the protective cover shell, and a motor assembly is fixedly installed in the protective cover shell. When the servo motor is started, an opening, which is originally blocked by the insertion blocking plate, in the stepped cover sleeve can be opened, so that the function of making a preparation for entering of subsequent hot air is achieved, and meanwhile, the insertion blocking plate blocks the stepped cover sleeve, so that the function of preventing external hot air from influencing the motor assembly when the servo motor is not started is achieved.

Disclosed is a method of cooling a space or a process comprising: supplying air 02 to a pad-less evaporative chiller 04, and then supplying the chilled humid air to an indirect heat exchanger 05 ther

The utility model relates to the technical field of gas turbines, in particular to a gas turbine air inlet spray evaporation cooling simulation test and detection device. Comprising an air duct, a temperature and humidity sensor set, a differential pressure gauge, a clear water atomizing nozzle set, a wet film gas-water separator, an axial flow air exhauster, an air moisture content detection device, a high-pressure stop valve set, an electric heating controller, a high-pressure water feeding pump and a water tank. A design basis is provided for designing the gas turbine gas inlet spray evaporation cooler under various meteorological conditions through the gas inlet temperature drop value delta T = Ta1-Ta3 and the structural resistance delta P, and the gas inlet temperature drop value and the water consumption per hour of various gas turbines under different temperature and humidity conditions can be calculated through numerical calculation of the air volume Q1, the water consumption Q2 and the delta T, so that the gas turbine gas inlet spray evaporation cooler can be designed. By adopting the structure, engineering design can be carried out on the basis of obtaining experimental data, and the working efficiency and the engineering quality of the whole engineering project are improved.

A system includes first and second conditioning systems and a liquid transport system. The first conditioning system can include a first plenum through which a first air stream is configured to be directed into an enclosed space, a pre-cooler dry coil in the first plenum, an evaporative cooler (EC) downstream of the pre-cooler, a wet coil downstream of the EC, and a reheater downstream of the wet coil in the first plenum. The second conditioning system can include an evaporative cooling based liquid cooler and trim chiller, which are able to supply one or more liquid streams with different temperature ranges at the same time to the first conditioning system. The liquid transport system is configured to transport the one or more liquid streams in and between the first conditioning system and the second conditioning system.

The invention discloses an indirect evaporative cooling system based on solar heat collection and a liquid drying agent, belongs to the technical field of data centers, and aims to solve the technical problem of loss of an energy conversion chain caused by balance between independent temperature and humidity control requirements and regeneration energy consumption and insufficient gradient utilization of full spectrum of solar energy. Comprising a first-stage indirect evaporative cooler for dehumidifying and preliminarily cooling outdoor air, and a second-stage indirect evaporative cooler for cooling dry air output by the first-stage indirect evaporative cooler; the auxiliary cooling device is communicated with an air outlet channel of the secondary indirect evaporative cooler and provides auxiliary heat exchange for hot return air generated by the data center; the liquid desiccant regeneration device comprises a solar collector, a heat exchanger between a solar system and a heat storage system, a heat storage tank, a heat exchanger between the heat storage system and a desiccant system, a desiccant regenerator, a regenerator and an auxiliary heater.