Rotating-speed-adjustable dehumidification rotating wheel drying module

Abstract

The utility model discloses a rotating-speed-adjustable desiccant rotating wheel drying module which comprises a desiccant rotating wheel divided into an adsorption treatment area and a desorption regeneration area. The adjustable-speed motor is in transmission connection with the dehumidification rotating wheel and used for driving the dehumidification rotating wheel to rotate; the first circulating air path flows through the adsorption treatment area, and a stock bin, a humidity detector and the adsorption treatment area are sequentially arranged on the first circulating air path according to the air flow direction; the first circulating air path is further provided with a processing fan used for driving airflow. The controller is electrically connected with the humidity detector and the speed-adjustable motor; the controller is configured to output a control signal to the speed-adjustable motor according to a humidity signal detected by the humidity detector so as to adjust the rotating speed of the dehumidification rotating wheel. According to the utility model, the speed-adjustable motor is adopted to drive the dehumidifying rotating wheel, so that the rotating speed of the dehumidifying rotating wheel can be flexibly adjusted. In this way, the module can intelligently adjust the rotating speed of the rotating wheel according to the actual humidity value fed back by the humidity detector or the preset material drying requirement.

Description

Technical Field

[0001] This utility model relates to the field of dehumidification equipment technology, and more specifically, to a dehumidification rotary drying module with adjustable rotation speed. Background Technology

[0002] Dehumidifying rotors are core components for air dehumidification in industrial and commercial sectors, especially in material drying applications with strict humidity requirements. Traditional dehumidifying rotor drying systems typically use a fixed-speed motor to drive the rotor at a constant speed. The dehumidifying rotor is divided into an adsorption treatment zone and a desorption regeneration zone. When the processed air flows through the adsorption treatment zone, the moisture in it is adsorbed by the rotor material, resulting in dry air. Simultaneously, another stream of high-temperature regeneration air flows through the desorption regeneration zone, desorbing and carrying away the moisture adsorbed by the rotor, restoring the rotor's moisture absorption capacity.

[0003] However, traditional constant-speed drive methods have inherent drawbacks. During the drying process, the humidity of the air entering the dehumidifying rotor (depending on factors such as the moisture content of the material to be dried and the ambient humidity) is dynamically changing. Constant-speed rotors are typically designed with their rotation speed based on the maximum or typical wet load. When the actual humidity of the air being processed is low, the rotor still rotates at a high speed, and the adsorption zone may not be fully saturated before it enters the regeneration zone. The regeneration system (regeneration fan, regeneration heater) still needs to operate at a high load to ensure rotor regeneration, resulting in unnecessary energy consumption by the drive motor and the regeneration process. Conversely, if the actual humidity of the air being processed is much higher than the design value, constant-speed rotation may cause the rotor to saturate too quickly, resulting in insufficient adsorption and the treated air humidity failing to meet requirements, thus affecting the drying effect and efficiency.

[0004] Therefore, existing constant-speed dehumidification rotary drying modules suffer from low energy efficiency and poor adaptability to varying humidity loads. How to dynamically adjust the operating state of the dehumidification rotor according to the actual humidity load to achieve energy saving and efficient dehumidification is a pressing technical problem to be solved in this field. Utility Model Content

[0005] The purpose of this invention is to overcome the above-mentioned defects of the prior art and provide an adjustable speed dehumidifying rotor drying module, which aims to solve the problems of low energy efficiency and poor adaptability of dehumidification performance of fixed speed dehumidifying rotors under different humidity loads.

[0006] This utility model provides an adjustable-speed dehumidifying rotary drying module, comprising:

[0007] The dehumidification rotor is divided into an adsorption treatment zone and a desorption regeneration zone.

[0008] An adjustable speed motor is connected to the dehumidifying wheel drive to drive the dehumidifying wheel to rotate;

[0009] The first circulating air path flows through the adsorption treatment zone. The first circulating air path is arranged in sequence according to the airflow direction, including the material hopper, humidity detector and adsorption treatment zone; the first circulating air path is also equipped with a treatment fan for driving the airflow.

[0010] The controller is electrically connected to both the humidity detector and the adjustable speed motor. The controller is configured to output a control signal to the adjustable speed motor based on the humidity signal detected by the humidity detector, so as to adjust the speed of the dehumidifying wheel.

[0011] Optionally, the dehumidifying rotary drying module also includes:

[0012] The second circulating air path flows through the desorption and regeneration zone. The second circulating air path is equipped with a regeneration fan for driving the airflow and a heater for heating the regeneration airflow.

[0013] Optionally, the processing fan is located on the first circulating air path, downstream of the adsorption treatment zone and upstream of the silo.

[0014] Optionally, the second circulating air path also includes a surface cooler, which is located downstream of the desorption and regeneration zone and upstream of the heater.

[0015] Optionally, in the second circulation air path, the airflow flows sequentially through the desorption and regeneration zone, the regeneration fan, the surface cooler, and the heater.

[0016] Optionally, the silo is a roller silo.

[0017] Optionally, the adjustable speed motor is connected to the dehumidification wheel via a belt drive.

[0018] Based on the technical content disclosed in this utility model, the following beneficial effects are achieved:

[0019] Compared with existing technologies, this invention achieves flexible adjustment of the dehumidification rotor speed by using an adjustable-speed motor to drive it. This allows the module to intelligently adjust the rotor speed based on the actual humidity value fed back by the humidity detector or the preset material drying requirements. Under low humidity loads or when drying requirements are not high, the speed can be reduced, significantly reducing the energy consumption of the regeneration heater and regeneration fan; while under high humidity loads or when rapid drying is required, the speed can be appropriately increased, optimizing dehumidification efficiency and drying effect. This on-demand adjustment capability not only improves the system's energy utilization efficiency but also enhances its adaptability to different material characteristics, environmental humidity, and production cycle changes, thereby achieving more economical, efficient, and precise operation while ensuring drying quality.

[0020] Other features and advantages of the present invention will become clear from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. Attached Figure Description

[0021] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the present invention and, together with their description, serve to explain the principles of the present invention.

[0022] Figure 1 This is a structural diagram of the adjustable speed dehumidifying rotary drying module of this utility model.

[0023] Figure 2 This is a schematic diagram of the dehumidifying rotor of this utility model.

[0024] Figure 3 This is a flowchart showing the relationship between dehumidification capacity and rotor speed.

[0025] Explanation of reference numerals in the attached diagram: 1. Dehumidifying impeller; 2. Processing fan; 3. Humidity detector; 4. Drum-type hopper; 5. Regeneration fan; 6. Heater; 7. Surface cooler; 8. Adjustable speed motor; 9. Controller; 101. Adsorption treatment zone; 102. Desorption and regeneration zone. Detailed Implementation

[0026] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the present invention.

[0027] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.

[0028] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, they should be considered part of the specification.

[0029] In all the examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.

[0030] It should be noted that similar labels and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be discussed further in subsequent figures.

[0031] See Figure 1 and Figure 2The present invention provides an adjustable speed dehumidifying rotary drying module, which mainly integrates the following key components: a dehumidifying rotary wheel 1 as the core dehumidification unit; a processing fan 2 for driving the processing airflow; a humidity detector 3 for real-time humidity monitoring; a drum-type hopper 4 for containing and processing the material to be dried; a regeneration fan 5 for driving the regeneration airflow; a regeneration heater 6 for providing heat to the regeneration air; a surface cooler 7 for surface cooling and desorbing the high temperature and high humidity gas; and an adjustable speed motor 8 and a controller 9 for achieving adjustable speed drive.

[0032] In terms of structural layout, the dehumidifying rotor 1 is functionally divided into an adsorption treatment zone 101 and a desorption regeneration zone 102. An adjustable-speed motor 8 is connected to the dehumidifying rotor 1 via a belt, enabling precise control of its rotation speed. This utility model's adjustable-speed dehumidifying rotor drying module uses an adjustable-speed motor 8 to drive the dehumidifying rotor continuously via a belt, allowing the dehumidification and regeneration processes of the dehumidifying rotor to repeat cyclically, thus ensuring that the dehumidifying rotor module can continuously output dry air and achieve cyclic dehumidification of the materials. In some embodiments, the adjustable-speed motor 8 is also connected to the dehumidifying rotor 1 via gear transmission.

[0033] The airflow path of the adjustable speed dehumidifying rotary drying module provided by this utility model is mainly divided into two: one is the first circulating air path through which the processing air flows, and the other is the second circulating air path through which the regenerated air flows.

[0034] The first circulating air path is arranged sequentially according to the airflow direction, including a drum-type hopper 4, a humidity detector 3, an adsorption treatment zone 101, and a treatment fan 2 for driving the airflow. During operation, the treatment fan 2 starts, generating negative or positive pressure to drive the air to be treated (humid air returning from the drum-type hopper 4) into the first circulating air path. The airflow sequentially passes through the drum-type hopper 4, the humidity detector 3, the adsorption treatment zone 101, and the treatment fan 2, finally returning to the adsorption treatment zone 101. The air is first guided through the adsorption treatment zone 101 of the dehumidifying impeller 1. In this area, the moisture-absorbing material of the dehumidifying impeller 1 efficiently captures water molecules in the air, making the air dry.

[0035] The second circulation air path is arranged sequentially according to the airflow direction, including a regeneration fan 5, a surface cooler 7, a heater 6, and a desorption regeneration zone 102. When the regeneration fan 5 is activated, it draws in air as the regeneration medium. This air is first sent to the regeneration heater 6, where it is heated to a high temperature (e.g., 100-140°C) sufficient to desorb moisture from the absorbent material. In the second circulation air path, the airflow sequentially passes through the desorption regeneration zone 102, the regeneration fan 5, the surface cooler 7, and the heater 6, finally returning to the desorption regeneration zone 102.

[0036] Combination Figure 3The controller 9 is electrically connected to the humidity detector 3 and the adjustable speed motor 8 respectively. The humidity detector 3 is used to monitor the moisture content of the gas flowing out of the drum hopper 4 in real time. The controller 9 adjusts the speed of the adjustable speed motor 8 according to the moisture content. When the moisture content of the gas flowing out of the drum hopper 4 is >X g / kg, the speed of the adjustable speed motor 8 is adjusted to Nr / h. When the moisture content of the gas flowing out of the drum hopper 4 is ≤X g / kg, the speed of the adjustable speed motor 8 is adjusted to N / 2r / h.

[0037] During operation, the processing fan 2 is used to send the hot and humid air in the drum-type hopper 4 through the air supply pipe to the processing air inlet of the dehumidifying rotor 1. Before entering the adsorption treatment area 101 of the dehumidifying rotor, the hot and humid air passes through the humidity detector 3 to detect the moisture content. The controller 9 adjusts the speed of the adjustable speed motor 8 according to the moisture content. When the moisture content of the hot and humid air flowing out of the drum-type hopper 4 is >X g / kg, the speed of the adjustable speed motor 8 is adjusted to N r / h. When the moisture content of the hot and humid air flowing out of the drum-type hopper 4 is ≤X g / kg, the speed of the adjustable speed motor 8 is adjusted to N / 2 r / h.

[0038] The dehumidifying rotor 1 has a processing fan 2 at the rear end of the adsorption treatment area 101. The front and rear ends of the processing fan 2 are connected to the air inlet and outlet pipes of the dehumidifying rotor 1 adsorption treatment area 101 and the air inlet and outlet pipes of the drum-type hopper 4, forming an internal circulation between the dehumidifying rotor 1 adsorption treatment area 101 and the drum-type hopper 4.

[0039] The dehumidification rotary adsorption treatment zone 101 and the drum-type hopper 4 form an internal circulation, which allows the adsorption treatment zone 101 to quickly discharge the moisture after adsorption to the outside of the drum-type hopper 4. At the same time, the dry air after dehumidification in the adsorption treatment zone 101 returns to the drum-type hopper 4, providing a continuous drying environment for the material, accelerating the evaporation and diffusion of moisture in the material, and thus improving the drying efficiency.

[0040] The desorption and regeneration zone 102 of the dehumidification rotor 1 is equipped with a regeneration pipe, and a regeneration fan 5, a regeneration heater 6 and a surface cooler 7 are installed on the regeneration pipe, forming an internal circulation between the desorption and regeneration zone 102 of the dehumidification rotor 1, the regeneration heater 6 and the surface cooler 7.

[0041] The desorption regeneration zone 102 of the dehumidifying rotor 1 forms an internal circulation with the regeneration heater 6 and the surface cooler 7. The surface cooler 7 cools the high-temperature, high-humidity air discharged from the desorption regeneration zone 102 of the dehumidifying rotor 1, causing the water vapor in it to condense into water, thereby reducing the air humidity. This portion of the air that has undergone surface cooling and dehumidification returns to the desorption regeneration zone 102 of the dehumidifying rotor 1, providing drier air for the desorption process, which is beneficial to improving the desorption effect of the dehumidifying rotor 1, and thus improving the dehumidification efficiency of the entire dehumidification system. This utility model constructs a high-efficiency, energy-saving, and highly adaptable dehumidifying rotor drying module through the organic combination of the above structure and control strategy. The humidity detector 3 senses the drying status in real time, and the variable speed motor 8 is adjusted through feedback by the controller, thereby dynamically optimizing the speed of the dehumidifying rotor 1. This on-demand adjustment mode ensures that it can operate at near-optimal energy efficiency under various working conditions, which not only guarantees the drying quality and efficiency of the material, but also significantly reduces unnecessary energy consumption, overcoming the limitations of traditional fixed-speed systems in terms of energy efficiency and adaptability.

Claims

1. A speed-adjustable dehumidifying rotary drum drying module, characterized in that, The application relates to a drying roller drying module. The drying roller drying module comprises: a drying roller, which is divided into an adsorption treatment area and a desorption regeneration area; a speed-adjustable motor, which is in driving connection with the drying roller and is used for driving the drying roller to rotate; a first circulating air path, which passes through the adsorption treatment area, and is provided with a hopper, a humidity detector and the adsorption treatment area in sequence according to the air flow direction; and a treatment air fan, which is used for driving the air flow, is arranged on the first circulating air path; 2. The adjustable speed dehumidifying wheel drying module according to claim 1, wherein, a controller, which is electrically connected with the humidity detector and the speed-adjustable motor; and is configured to output a control signal to the speed-adjustable motor according to a humidity signal detected by the humidity detector, so as to adjust the rotating speed of the drying roller. The drying roller drying module further comprises:

3. The adjustable speed dehumidifying roller drying module according to claim 1 or 2, characterized in that, a second circulating air path, which passes through the desorption regeneration area, and is provided with a regeneration air fan, which is used for driving the air flow, and a heater, which is used for heating the regeneration air flow.

4. The adjustable speed dehumidifying wheel drying module according to claim 2, wherein, The treatment air fan is arranged on the first circulating air path, is located on the downstream side of the adsorption treatment area and is located on the upstream side of the hopper.

5. The adjustable speed dehumidifying wheel drying module according to claim 4, wherein, The second circulating air path further comprises a surface cooler, which is arranged on the downstream side of the desorption regeneration area and is located on the upstream side of the heater.

6. The adjustable speed dehumidifying wheel drying module according to claim 1 or 2, characterized in that, On the second circulating air path, the air flow sequentially passes through the desorption regeneration area, the regeneration air fan, the surface cooler and the heater.

7. The adjustable speed dehumidifying wheel drying module according to claim 1 or 2, characterized in that, The hopper is a drum-type hopper. The speed-adjustable motor is in driving connection with the drying roller through a belt.

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