Air treatment methods

Abstract

The present invention relates to the field of dehumidification technology, and in particular to an air treatment method, which includes obtaining air humidity requirements and air temperature requirements required for different environments, and determining a first limit dehumidification capacity and a second limit dehumidification capacity of a cooling medium according to the temperature of the cooling medium; when the air humidity requirement of an environment is within the dehumidification interval of the first limit dehumidification capacity, if the temperature of the treated air after dehumidification is lower than the air temperature requirement of the corresponding environment, driving a first dehumidification module to dehumidify and reheat the treated air; when the air humidity requirement of an environment is within the dehumidification interval of the second limit dehumidification capacity, driving a second dehumidification module to dehumidify the treated air; and when the air humidity requirement is within the dehumidification interval between the first limit dehumidification capacity and the second limit dehumidification capacity, driving a third dehumidification module or a fourth dehumidification module to cool the treated air.

Description

Technical Field

[0001] The present invention relates to the technical field of dehumidification, and in particular to an air treatment method. Background Art

[0002] With the development of industry and the improvement of living standards, air dehumidification technology is widely used in various fields. In commercial buildings and office environments, dehumidification must balance human comfort and energy consumption; in the food processing and pharmaceutical industries, a low-humidity environment is the core guarantee of product quality; and in high-end industrial fields such as semiconductor manufacturing and chip production, the control requirements for air humidity are even more stringent. At the same time, advances in technologies such as evaporative cooling and adsorption dehumidification have promoted the energy-saving development of air conditioning systems. However, the requirements for dehumidification capacity, temperature and humidity coupling control, and operating costs vary significantly in different application scenarios, placing higher demands on the adaptability of system design. Summary of the Invention

[0003] The main purpose of the present invention is to provide an air treatment method based on multiple humidity requirements, aiming to adapt to different scene requirements through different dehumidification system designs.

[0004] To achieve the above object, the air treatment method includes:

[0005] Obtaining air humidity requirements and air temperature requirements required for different environments, and determining a first limit dehumidification capacity and a second limit dehumidification capacity of the cooling medium according to the temperature of the cooling medium, wherein the second limit dehumidification capacity is greater than the first limit dehumidification capacity;

[0006] When the air humidity requirement of an environment is within the dehumidification range of the first limit dehumidification capacity, if the temperature of the processed air after dehumidification is lower than the air temperature requirement of the corresponding environment, the first dehumidification module is driven to dehumidify and reheat the processed air;

[0007] When the air humidity requirement of an environment is within the dehumidification range of the second limit dehumidification capacity, driving the second dehumidification module to dehumidify the processed air;

[0008] When the air humidity demand is in a dehumidification interval between the first limit dehumidification capacity and the first limit dehumidification capacity, the third dehumidification module or the fourth dehumidification module is driven to cool the processed air.

[0009] In one embodiment of the present invention, when the air humidity demand is within a dehumidification range between the first limit dehumidification capacity and the first limit dehumidification capacity, driving the third dehumidification module or the fourth dehumidification module to cool the processed air includes:

[0010] If the temperature of the processed air after dehumidification is not less than the air temperature requirement of the corresponding environment, driving the third dehumidification module to dehumidify the processed air;

[0011] If the temperature of the treated air after dehumidification is lower than the air temperature requirement of the corresponding environment, the fourth dehumidification module is driven to perform dehumidification and reheating treatment on the treated air.

[0012] In one embodiment of the present invention, the first dehumidification module includes at least one heat pipe dehumidifier, which includes a shell, a dehumidification heat pipe and a single cold water coil. The dehumidification heat pipe and the single cold water coil are both arranged in the shell, and the dehumidification heat pipe includes an evaporation part and a condensation part; wherein, the shell is provided with a processing channel having an input end and an air outlet, and the single cold water coil is located between the evaporation part and the condensation part along the air flow path of the processing channel.

[0013] In one embodiment of the present invention, the housing includes a first circulation layer and a second circulation layer that are connected to each other, the first circulation layer and the second circulation layer are arranged vertically, the evaporation portion is arranged opposite to the condensation portion, the evaporation portion is located in the first circulation layer, and the condensation portion is located in the second circulation layer;

[0014] The first circulation layer has the input end, and the second circulation layer has the output end.

[0015] In one embodiment of the present invention, the heat pipe dehumidifier further includes a bypass valve, which is provided at the overlapping portion between the first circulation layer and the second circulation layer and located on a side of the evaporation portion facing the input end.

[0016] In one embodiment of the present invention, the second dehumidification module includes a pre-treatment dehumidifier and a rotary dehumidifier, the input end of the rotary dehumidifier is connected to the output end of the pre-treatment dehumidifier, the pre-treatment dehumidifier has a first cold water coil and a second cold water coil, the first cold water coil and the second cold water coil are arranged in series through a pipeline; the first cold water coil is arranged near the input end of the pre-treatment dehumidifier, and the second cold water coil is arranged near the output end of the pre-treatment dehumidifier;

[0017] The input end of the rotary dehumidifier is connected to the output end of the second cold water coil;

[0018] The temperature of the cooling medium of the second cold water coil is lower than that of the cooling medium of the first cold water coil.

[0019] In one embodiment of the present invention, the third dehumidification module has the preheating pipe dehumidifier, combined with the cold source supply module, and the medium used by the heat pipe dehumidifier is 0°C cold water.

[0020] In one embodiment of the present invention, the fourth dehumidification module is provided with the pre-processing dehumidifier and the heat pipe dehumidifier, and the input end of the heat pipe dehumidifier is connected to the output end of the pre-processing dehumidifier.

[0021] In one embodiment of the present invention, the providing of the first dehumidification module, the second dehumidification module, the third dehumidification module, and the fourth dehumidification module further includes:

[0022] A cold source supply module is provided, which includes an ice slurry machine and a cold source supply tank. The input end of the cold source supply tank is connected to the ice slurry machine, and the single cold water coil or the second cold water coil is connected to the output end of the cold source supply tank.

[0023] In one embodiment of the present invention, the cold source supply module further includes a cold source buffer box, and the cold source buffer box is connected to the ice slurry machine and the cold source supply tank.

[0024] This invention addresses the pain points of traditional air treatment systems, such as their difficulty adapting to humidity control requirements in diverse scenarios, strong temperature-humidity coupling, and high energy consumption. By constructing four functionally complementary dehumidification modules (modules 1 through 4) and establishing a dual-threshold dynamic decision-making mechanism, precise humidity control and energy efficiency optimization across industries are achieved. Specifically, based on environmental monitoring data, the system first calculates the cooling medium's first-limit dehumidification capacity (normal operating threshold) and second-limit dehumidification capacity (high-intensity dehumidification threshold), then divides the humidity demand into three control intervals. When the target humidity is within the first limit, the first module is prioritized for adsorption dehumidification and heat recovery heating, compensating for temperature losses while dehumidifying, addressing the overcooling problem caused by traditional dehumidification in commercial buildings. When the target humidity is at the second limit, the second module's deep condensation dehumidification is activated to meet the ultra-low humidity requirements of scenarios such as semiconductor manufacturing. For the intermediate humidity range, the evaporative cooling technology of the third and fourth modules is used to implement temperature regulation, breaking the dilemma of traditional systems where humidity regulation is inevitably accompanied by temperature fluctuations. By integrating multiple physical dehumidification technologies to form a collaborative working mechanism, the humidity control range is significantly expanded through the layered application of technical characteristics, which can meet the full spectrum of needs from conventional environments to ultra-low humidity scenarios. Secondly, an intelligent environmental coupling control mechanism is developed to break through the technical bottleneck of traditional temperature and humidity interaction and achieve refined independent control of humidity parameters, especially showing excellent stability in environmentally sensitive industries. Finally, a dynamic energy consumption optimization system is constructed to intelligently allocate system resources based on scenario characteristics, significantly reducing energy waste while ensuring processing efficiency, and significantly reducing the complexity of full life cycle operation and maintenance with modular architecture design. This technical system effectively solves the contradiction of air treatment in modern industrial multi-scenario applications, and provides innovative solutions for different fields that can adapt to harsh environmental requirements, have intelligent adjustment capabilities and sustainable operation advantages. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0026] Figure 1 This is a structural schematic diagram of an embodiment of the first dehumidification module provided by the present invention;

[0027] Figure 2 This is a schematic structural diagram of the cold source supply module provided by the present invention;

[0028] Figure 3 This is a schematic structural diagram of the pretreatment dehumidifier provided by the present invention;

[0029] Figure 4 This is a structural diagram of the second dehumidification module provided by the present invention;

[0030] Figure 5 This is a logical judgment diagram of the air treatment method provided by the present invention;

[0031] Figure 6 This is a flow chart of a first embodiment of the air treatment method provided by the present invention;

[0032] Figure 7 This is a flow chart of the second embodiment of the overexposure adjustment method provided by the present invention.

[0033] Description of Figure Numbers:

[0034] 10. First dehumidification module; 101. Shell; 1011. First circulation layer; 1012. Second circulation layer; 10a. Inlet end; 10b. Outlet end; 102. Evaporation part; 103. Condensation part; 104. Single cold water coil; 105. Bypass valve; 20. Second dehumidification module; 21. Pretreatment dehumidifier; 211. First cold water coil; 212. Second cold water coil; 22. Rotary dehumidifier; 30. Cold source supply module; 301. Ice slurry machine; 302. Cold source supply tank; 303. Cold source buffer box.

[0035] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0037] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0038] In addition, the descriptions of "first", "second", etc. in the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0039] The main purpose of the present invention is to provide an air treatment method, which aims to adapt to different scene requirements through different dehumidification system designs.

[0040] To achieve the above objectives, the air treatment method includes:

[0041] Step S10: obtaining air humidity requirements and air temperature requirements required for different environments, and determining a first limit dehumidification capacity and a second limit dehumidification capacity of the cooling medium according to the temperature of the cooling medium, wherein the second limit dehumidification capacity is greater than the first limit dehumidification capacity;

[0042] Step S20: When the air humidity requirement of an environment is within the dehumidification range of the first limit dehumidification capacity, if the temperature of the processed air after dehumidification is lower than the air temperature requirement of the corresponding environment, driving the first dehumidification module to dehumidify and reheat the processed air;

[0043] Step S30: When the air humidity requirement of an environment is within the dehumidification range of the second limit dehumidification capacity, driving the second dehumidification module to dehumidify the processed air;

[0044] Step S40: When the air humidity requirement is within the dehumidification range between the first limit dehumidification capacity and the second limit dehumidification capacity, the third dehumidification module or the fourth dehumidification module is driven to cool the processed air.

[0045] Furthermore, step S40 includes:

[0046] Step S410: When an air humidity requirement is within a dehumidification range between a first limit dehumidification capacity and a second limit dehumidification capacity, determining the temperature of the dehumidified air and the air temperature requirement;

[0047] Step S420: If the temperature of the treated air after dehumidification is not less than the air temperature requirement of the corresponding environment, driving the third dehumidification module to dehumidify the treated air;

[0048] Step S430: If the temperature of the treated air after dehumidification is lower than the air temperature requirement of the corresponding environment, the fourth dehumidification module is driven to perform dehumidification and reheating treatment on the treated air.

[0049] See also Figures 5 to 7 Taking 7-degree Celsius chilled water and 0-degree Celsius ice-water mixture as examples, the dehumidification limit of 7-degree Celsius chilled water is 7.24g / kg (the air dehumidification value corresponding to the first limit dehumidification capacity), and the dehumidification limit of 0-degree Celsius ice-water mixture is 4.45g / kg (the air dehumidification value corresponding to the second limit dehumidification capacity). In the figure, D1 represents the required moisture content, t1 represents the required temperature, and t2 represents the actual temperature after dehumidification.

[0050] In the technical solution of the present invention, by constructing four types of functionally complementary dehumidification modules (the first to fourth modules) and establishing a dual-threshold dynamic decision-making mechanism, precise humidity control and energy efficiency optimization across industries are achieved. Specifically, based on environmental monitoring data, the system first calculates the first limit dehumidification capacity (normal operating condition threshold) and the second limit dehumidification capacity (high-intensity dehumidification threshold) of the cooling medium, and divides the humidity demand into three control intervals: when the target humidity is in the first limit interval, the first module is preferentially activated for adsorption dehumidification and heat recovery heating, compensating for temperature loss while dehumidifying, and solving the problem of overcooling caused by traditional dehumidification in commercial buildings; when the target humidity is at the second limit value, the deep condensation dehumidification of the second module is activated to meet the ultra-low humidity requirements of scenarios such as semiconductor manufacturing; for the intermediate humidity range, the evaporative cooling technology of the third and fourth modules is called upon to implement temperature regulation, breaking the dilemma of "humidity regulation must be accompanied by temperature fluctuations" in traditional systems. By integrating multiple physical dehumidification technologies to form a collaborative working mechanism, the humidity control range is significantly expanded through the layered application of technical characteristics, which can meet the full spectrum of needs from conventional environments to ultra-low humidity scenarios. Secondly, an intelligent environmental coupling control mechanism is developed to break through the technical bottleneck of traditional temperature and humidity interaction and achieve refined independent control of humidity parameters, especially showing excellent stability in environmentally sensitive industries. Finally, a dynamic energy consumption optimization system is constructed to intelligently allocate system resources based on scenario characteristics, significantly reducing energy waste while ensuring processing efficiency, and significantly reducing the complexity of full life cycle operation and maintenance with modular architecture design. This technical system effectively solves the contradiction of air treatment in modern industrial multi-scenario applications, and provides innovative solutions for different fields that can adapt to harsh environmental requirements, have intelligent adjustment capabilities and sustainable operation advantages.

[0051] First, it should be explained that "when the air humidity demand of an environment is within the dehumidification range of the first limit dehumidification capacity" refers to an environment with a low humidity demand (defined as the first scenario demand for clarity), such as an office area or shopping mall in a commercial building. These places have relatively moderate humidity requirements. At the same time, the temperature of the treated air after the initial dehumidification is lower than the temperature value required by the environment. In this case, the first dehumidification module 10 is driven to perform air treatment on the incoming air. After the treated air is first dehumidified and then heated in the first dehumidification module, it can meet the low humidity demand, low ambient temperature requirements, or the need for reheating after dehumidification.

[0052] "When the air humidity demand in an environment falls within the dehumidification range of the second extreme dehumidification capacity" refers to an environment with high-precision, low-humidity requirements (defined as the second scenario requirement for clarity), such as semiconductor manufacturing plants and electronic chip manufacturing plants. These locations have very strict humidity requirements, typically requiring humidity to be kept at extremely low levels, such as a dew point of ≤-40°C. The second dehumidification module 20 (pre-treatment dehumidifier 21 and rotary dehumidifier 22) is driven to treat the air to ensure that the treated air meets the high-precision, low-humidity requirements.

[0053] "When the air humidity demand of an environment is within the dehumidification range of the second limit dehumidification capacity, and the temperature of the treated air after dehumidification is not less than the air temperature demand of the corresponding environment" means that there is no need to reheat the air after dehumidification (defined as the third scenario demand for clarity), such as certain industrial workshops, underground parking lots, etc. These places not only need to reduce the air humidity, but also need to increase the air temperature after dehumidification to meet specific process or environmental requirements. By driving the third dehumidification module to dehumidify the treated air, when the air humidity demand can be between the first limit dehumidification value and the second limit dehumidification value of the cooling medium, and the dehumidified air inlet temperature will not be less than the corresponding temperature value in the environment, the scenario demand can be met without reheating.

[0054] "When the air humidity demand of an environment is within the dehumidification range of the second extreme dehumidification capacity, and the temperature of the treated air after dehumidification is lower than the air temperature demand of the corresponding environment" means that the air humidity after treatment is between low humidity and high-precision low humidity and has a reheating demand (defined as the fourth scenario demand for clarity). For example, museums and archives, etc., these places need not only to reduce the air humidity, but also to increase the air temperature after dehumidification to meet specific environmental requirements. By driving the fourth dehumidification module to dehumidify and reheat the treated air, the air humidity demand can be between the first extreme dehumidification value and the second extreme dehumidification value of the cooling medium, and the inlet air temperature after dehumidification and reheating will not be lower than the corresponding temperature value in the environment, thereby meeting the scenario requirements.

[0055] It is further explained that, in the first to fourth dehumidification modules, the outside air will exchange heat with the cooling medium during the dehumidification stage, detect and obtain the air temperature t2 that has undergone temperature change and compare it with the required temperature t1, so as to select the dehumidification module corresponding to the dehumidification according to the required dehumidification demand; taking the final selection of the first dehumidification module as an example, first clarify the corresponding humidity demand under a demand scenario, and determine whether the required humidity can be obtained by the 7-degree Celsius cooling water medium. If so, clarify the temperature demand under the first demand scenario. For example, if the first demand scenario does not have high temperature requirements (i.e., heating treatment is required after dehumidification), that is, after the outside air is dehumidified with the 7-degree Celsius cooling water medium, the treated air is cooled. Through the temperature sensor, it can be obtained that its temperature (t2) will be lower than the required temperature (t1) under the first demand scenario, which means that heating treatment is required. In this way, under the premise of knowing the scene requirements, dehumidification can be achieved first and then cooling. The dehumidification module that meets certain requirements for ambient humidity and has low requirements for ambient temperature is the first dehumidification module.

[0056] In one embodiment of the present invention, the first dehumidification module includes at least one heat pipe dehumidifier, which includes a shell, a dehumidification heat pipe and a single cold water coil. The dehumidification heat pipe and the single cold water coil are both arranged in the shell, and the dehumidification heat pipe includes an evaporation part and a condensation part; wherein the shell is provided with a processing channel having an input end and an air outlet, and the single cold water coil is located between the evaporation part and the condensation part along the air flow path of the processing channel.

[0057] Specifically, for the first dehumidification module 10, the cold source medium can flow to the single cold water coil 104 under the cooperation of the pressure pump, the control valve and other structures, so that the outside air, that is, the pre-treated air, is cooled and dehumidified at the cooling coil. The outside air enters from the inlet end 10a of the heat pipe dehumidifier and then undergoes the first cooling at the evaporation part 102. The refrigerant in the evaporation part 102 absorbs heat due to evaporation, thereby achieving the effect of lowering the air temperature. Subsequently, the gas absorbs heat through the cold source medium at the single cold water coil 104 for cooling and dehumidification, thereby ensuring that the outflowing heat The air in the heat pipe dehumidifier is at a low humidity. The cooled and dehumidified air is heated in the condenser section 103 of the heat pipe dehumidifier. The refrigerant in the condenser section 103 transforms from a gaseous state to a liquid state in the condenser section 103, releasing a large amount of heat. This heat can be used to heat the cooled and dehumidified air. Thus, the temperature of the treated air in the first dehumidification module is increased and the humidity is reduced. This meets the requirements for certain humidity requirements, low temperature requirements, and the need for reheating after dehumidification, such as offices, businesses, and food processing. It is understood that the first dehumidification module 10 can be composed of at least one heat pipe dehumidifier. For example, in one embodiment, the first dehumidification module 10 includes a single heat pipe dehumidifier. In another embodiment, for larger areas with certain humidity requirements, low temperature requirements, and the need for reheating after dehumidification, the first dehumidification module 10 includes multiple heat pipe dehumidifiers to meet the air requirements. Therefore, the heat pipe dehumidifiers included in the first dehumidification module 10 are not limited herein.

[0058] In one embodiment of the present invention, the shell includes a first circulation layer and a second circulation layer that are connected to each other. The first circulation layer and the second circulation layer are arranged in an upper and lower manner. The evaporation part is arranged opposite the condensation part. The evaporation part is located in the first circulation layer and the condensation part is located in the second circulation layer. The first circulation layer has an input end and the second circulation layer has an output end. Specifically, the outside air flows in from the input end and first passes through the evaporation part 102. In the evaporation part 102, the refrigerant absorbs heat due to evaporation, causing the air temperature to drop. The water vapor therein condenses into water droplets, achieving initial cooling and dehumidification. Subsequently, the air that has undergone preliminary treatment flows into the second circulation layer 1012. In the condensation part 103 here, the refrigerant condenses and releases heat. This heat is used to heat the air that has been cooled and dehumidified. Finally, the treated air leaves the heat pipe dehumidifier from the output end of the second circulation layer 1012. The entire process not only effectively reduces the air humidity, but also increases the air temperature through the heat recovery and utilization of the condensation part 103, meeting the demand for air heating after dehumidification in specific places. The air flow path and heat exchange process inside the heat pipe dehumidifier are optimized through structural design, thereby improving the operating efficiency and adaptability of the equipment. At the same time, because the first circulation layer 1011 is below the second circulation layer 1012, and the evaporation part 102 is below and the condensation part 103 is above, the hot and cold areas are naturally separated, reducing energy loss during heat exchange. At the same time, when flowing through the single cold water coil 104, the moisture in the air will condense due to cooling. Since it is located below, the condensed water can naturally drip and be discharged, which is convenient for humidity control.

[0059] In one embodiment of the present invention, the heat pipe dehumidifier also includes a bypass valve 105, which is arranged in the overlapping part between the first circulation layer 1011 and the second circulation layer 1012, and is located on the side of the evaporation part 102 facing the input end. The air parameter feedback provided by the temperature and humidity sensor of the bypass valve 105 is used to determine whether the air needs to be dehumidified. Specifically, the outdoor air state point and the indoor air state point are compared. When the outdoor air parameter is in the cooling and dehumidification zone indicating that the gas is high temperature and high humidity, that is, the outside air needs to be cooled and dehumidified, the bypass air valve is closed at this time to allow the outside air to pass through the evaporation part 102, the single cold water coil 104 and the condensation part 103 in sequence; if the outdoor air parameter is in the heating and humidification zone indicating that the gas is low temperature and low humidity, that is, the outside air does not need to be cooled and dehumidified, and the bypass air valve is opened.

[0060] In one embodiment of the present invention, the second dehumidification module 20 includes a pretreatment dehumidifier 21 and a rotary dehumidifier 22, the input end of the rotary dehumidifier 22 is connected to the output end of the pretreatment dehumidifier 21, the pretreatment dehumidifier 21 has a first cold water coil 211 and a second cold water coil 212, the first cold water coil 211 and the second cold water coil 212 are arranged in series through pipelines; the first cold water coil 211 is arranged close to the input end of the pretreatment dehumidifier 21, and the second cold water coil 212 is arranged close to the output end of the pretreatment dehumidifier 21; the input end of the rotary dehumidifier 22 is connected to the output end of the second cold water coil 212. Specifically, for the second dehumidification module 20, the cold source medium flows through the coil of the pretreatment unit under the drive of a pressure pump, a control valve, etc. After the outside air contacts the low-temperature coil, the temperature drops below the dew point, and part of the moisture condenses and precipitates, thereby achieving a preliminary reduction in humidity. At this stage, high-humidity air can be efficiently treated, significantly reducing the load of the subsequent rotary dehumidifier 22. Subsequently, the pretreatment The air after dehumidification enters the rotary dehumidifier 22, and the adsorption area of ​​the rotary wheel is filled with high-performance adsorption materials (such as silica gel, molecular sieve). When the air flows through the rotary wheel, the adsorption material captures the remaining moisture through physical / chemical effects and outputs ultra-low humidity air (such as dew point temperature ≤-40°C). During the entire process, the pretreatment stage has reduced the air humidity and temperature, reducing the moisture load and regeneration energy consumption during the rotary wheel adsorption. The required regeneration temperature is also reduced accordingly, which facilitates the use of industrial waste heat and solar energy for regeneration and desorption, further reducing the reheating energy consumption. Among them, the cooling medium temperature of the second cold water coil is lower than the cooling medium of the first cold water coil. For example, when the medium temperature input to the second cold water coil 212 is 0 degrees Celsius, the medium temperature flowing into the first cold water coil 211 through the pipeline is 5 degrees Celsius. With the relatively high cooling medium temperature in the first cold water coil 211, the initial condensation and dehumidification of the generated air is induced first, effectively removing a large amount of moisture, initially reducing the air humidity, and alleviating the pressure on subsequent dehumidification components. Subsequently, the air that has undergone preliminary treatment enters the second cold water coil 212, where the temperature of the cooling medium is lower. With the help of a larger temperature difference effect, the residual moisture is deeply condensed and precipitated, further reducing the air humidity to a lower level, thereby creating favorable conditions for the rotary dehumidifier 22 to take over the treated air and achieve the ultra-low humidity target, significantly reducing the moisture load adsorbed by the wheel, reducing its regeneration energy consumption, and improving the overall dehumidification efficiency and energy-saving effect, ensuring that the system can stably output low-humidity air that meets the requirements when facing high-precision low-humidity demand scenarios; at the same time, setting up two cold water coils in series can prevent the wall thickness of each cold water coil from being too large, which reduces the heat exchange efficiency.

[0061] In one embodiment of the present invention, the third dehumidification module features a pre-treatment dehumidifier for use in locations with moderate humidity accuracy requirements but no temperature requirements, such as industrial workshops and underground parking garages. The first and second chilled water coils 211 and 212 within the pre-treatment dehumidifier 21 work together to initially dehumidify the air using the relatively high temperature of the cooling medium. The lower temperature of the cooling medium then allows for deep condensation of the water, effectively reducing humidity. This design enables the air handling system to achieve more refined and energy-efficient humidity control when faced with more complex humidity requirements, further enhancing its adaptability and competitiveness in multiple scenarios.

[0062] In one embodiment of the present invention, the fourth dehumidification module is provided with a pretreatment dehumidifier 21 and a heat pipe dehumidifier. The input end of the heat pipe dehumidifier is connected to the output end of the pretreatment dehumidifier 21. The pretreatment dehumidifier 21 uses a 7-degree Celsius cooling medium at normal temperature and pressure, and the heat pipe dehumidifier uses a 0-degree Celsius cooling medium at normal temperature and pressure, so that the fourth dehumidification module achieves the effect of dehumidification and reheating. The dehumidification amount required by the fourth scenario is between the requirements of the first scenario and the second scenario and requires reheating. It is specifically for medium and high humidity scenes between the requirements of the first and second scenarios. The control module is also configured to drive the fourth dehumidification module to operate according to the requirements of the fourth scenario. Specifically, the fourth dehumidification module is composed of a pretreatment dehumidifier 21 and a heat pipe dehumidifier in series. The output end of the pretreatment dehumidifier 21 is directly connected to the input end of the heat pipe dehumidifier, wherein the pretreatment dehumidifier 21 is connected to a cold source supply device providing 7 degrees Celsius, and the heat pipe dehumidifier provides a cold source supply device providing 0 degrees Celsius, thereby forming an efficient dehumidification and reheating process. When the fourth dehumidification module is activated based on the fourth scenario requirements (e.g., museums and archives) as fed back by the load, the air first enters the pre-treatment dehumidifier 21, then flows sequentially through the first and second cold water coils 211 and 212. The cooling medium's step-by-step cooling achieves deep humidity removal, reducing the air temperature to a relatively low level. The treated low-temperature, low-humidity air is then transported to the heat pipe dehumidifier. In the condenser section 103 of the heat pipe dehumidifier, the refrigerant in the condenser section 103 transforms from gas to liquid, releasing a large amount of heat. This heat is cleverly utilized to heat the air, allowing it to regain a suitable temperature after dehumidification, thus meeting the dual requirements of air temperature and humidity in the venue. This design not only broadens the system's coverage of humidity requirements but also, through the reheat function of heat pipe technology, provides customized air treatment solutions for specific locations, achieving a perfect combination of dehumidification and heating, further enhancing the system's practicality and market competitiveness.

[0063] In one embodiment of the present invention, the air treatment method further proposes a cold source supply module 30, which includes an ice slurry machine 301 and a cold source supply tank 302. The input end of the cold source supply tank 302 is connected to the ice slurry machine 301, and the single cold water coil 104 or the second cold water coil 212 is connected to the output of the cold source supply tank 302. Figure 2 Through the internal piping system, the cold source medium at an appropriate temperature and flow rate is delivered to the single cold water coil 104, or, after being precisely controlled, to the second cold water coil 212, ensuring that the cooling medium temperature is maintained at a low level (e.g., 5 degrees Celsius) to meet the deep dehumidification requirements of the pre-treatment dehumidifier 21. This configuration enables the cold source supply module 30 to flexibly adjust the flow rate and temperature of the cold source medium based on the overall system operating conditions and the dehumidification requirements of different modules, thereby optimizing energy utilization. When the first dehumidification module 10 operates alone to meet low to medium humidity requirements, the cold source supply module 30 can rationally allocate cooling capacity to ensure efficient cooling and dehumidification of the single cold water coil 104. When the second dehumidification module 20 is activated to meet high-precision low humidity requirements, it can provide sufficient low-temperature cold source to the second cold water coil 212, cooperating with the rotary dehumidifier 22 to achieve ultra-low humidity control targets. This improves the adaptability and energy efficiency of the entire system, ensuring stable and efficient operation under diverse humidity requirements.

[0064] Furthermore, the cold source supply system also includes a cold source cache box 303, which is connected to the ice slurry machine 301 and the cold source supply tank 302, that is, the ice-water mixture from the ice slurry machine 301 passes through the cold source cache box 303 and the cold source supply tank 302 to the cooling coil in sequence. When the cooling demand is low, the ice-water mixture can be stored in the cache box, and when the cooling demand is peak, the cache box can provide additional cooling capacity, thereby ensuring the stable operation of the system; the cold source supply system can operate in the valley period of electricity prices, and the generated cooling medium can be stored in the cold source cache box 303. The cooling medium in the cold source cache box 303 is used during the peak period of electricity prices, and the peak-valley electricity price difference is used to further reduce the cooling cost.

[0065] The above are only preferred embodiments of the present invention and are not intended to limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention's description and drawings, or direct / indirect applications in other related technical fields, within the scope of the present invention are included in the patent protection scope of the present invention.

Claims

1. An air treatment method, characterized in that: The air treatment method comprises: Obtaining air humidity requirements and air temperature requirements required for different environments, and determining a first limit dehumidification capacity and a second limit dehumidification capacity of the cooling medium according to the temperature of the cooling medium, wherein the second limit dehumidification capacity is greater than the first limit dehumidification capacity; When the air humidity requirement of an environment is within the dehumidification range of the first limit dehumidification capacity, if the temperature of the processed air after dehumidification is lower than the air temperature requirement of the corresponding environment, driving the first dehumidification module to dehumidify and reheat the processed air; When the air humidity requirement of an environment is within the dehumidification range of the second limit dehumidification capacity, driving the second dehumidification module to dehumidify the processed air; When the air humidity requirement is within a dehumidification interval between the first limit dehumidification capacity and the second limit dehumidification capacity, determining the temperature of the processed air after dehumidification and the air temperature requirement; If the temperature of the processed air after dehumidification is not less than the air temperature requirement of the corresponding environment, driving the third dehumidification module to dehumidify the processed air; If the temperature of the treated air after dehumidification is lower than the air temperature requirement of the corresponding environment, driving the fourth dehumidification module to dehumidify and reheat the treated air; The first dehumidification module includes at least one heat pipe dehumidifier; the second dehumidification module (20) includes a pretreatment dehumidifier (21) and a rotary dehumidifier (22), and the input end of the rotary dehumidifier (22) is connected to the output end of the pretreatment dehumidifier (21); the third dehumidification module has the pretreatment dehumidifier (21); and the fourth dehumidification module is provided with the pretreatment dehumidifier (21) and the heat pipe dehumidifier, and the input end of the heat pipe dehumidifier is connected to the output end of the pretreatment dehumidifier (21).

2. The air treatment method according to claim 1, wherein: The heat pipe dehumidifier comprises a shell (101), a dehumidification heat pipe and a single cold water coil (104), wherein the dehumidification heat pipe and the single cold water coil (104) are both arranged in the shell (101), and the dehumidification heat pipe comprises an evaporation part (102) and a condensation part (103); wherein the shell (101) is provided with a processing channel having an input end and an output end, and the single cold water coil (104) is located between the evaporation part (102) and the condensation part (103) along the air flow path of the processing channel.

3. The air treatment method according to claim 2, wherein: The shell (101) comprises a first circulation layer (1011) and a second circulation layer (1012) which are arranged in a connected manner, the first circulation layer (1011) and the second circulation layer (1012) are arranged in an upper and lower manner, the evaporation portion (102) is located in the first circulation layer (1011), and the condensation portion (103) is located in the second circulation layer (1012); The first circulation layer (1011) has the input end, and the second circulation layer (1012) has the output end.

4. The air treatment method according to claim 3, wherein: The heat pipe dehumidifier further comprises a bypass valve (105), which is arranged at the overlapping portion between the first circulation layer (1011) and the second circulation layer (1012), and is located on the side of the evaporation portion (102) facing the input end.

5. The air treatment method according to claim 2, wherein: The pretreatment dehumidifier (21) comprises a first cold water coil (211) and a second cold water coil (212), wherein the first cold water coil (211) and the second cold water coil (212) are arranged in series via a pipeline; the first cold water coil (211) is arranged close to the input end of the pretreatment dehumidifier (21), and the second cold water coil (212) is arranged close to the output end of the pretreatment dehumidifier (21); The input end of the rotary dehumidifier (22) is connected to the output end of the second cold water coil (212); The temperature of the cooling medium of the second cold water coil (212) is lower than the temperature of the cooling medium of the first cold water coil (211).

6. The air treatment method according to claim 5, wherein: The air treatment method further comprises: A cold source supply module (30) is provided, the cold source supply module (30) comprising an ice slurry machine (301) and a cold source supply tank (302), the input end of the cold source supply tank (302) being connected to the ice slurry machine (301), and the single cold water coil (104) or the second cold water coil (212) being connected to the output end of the cold source supply tank (302).

7. The air treatment method according to claim 6, wherein: The cold source supply module (30) further comprises a cold source buffer box (303), wherein the cold source buffer box (303) is connected to the ice slurry machine and the cold source supply tank (302).

Images