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Air drying and dehumidification integrated machine

The heat pump unit absorbs the heat from the air outside the drying room and transfers it to the drying room. The dried hot air circulates through the lost foam model, taking away water. The high humidity hot air is discharged through the return air pipeline to the heat exchanger and heat recovery evaporator of the heat pump drying system. The temperature of the hot and humid air drops below the dew point temperature, and water is released and discharged. Finally, achieve continuous drying of the model.


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    Main technical parameters

    • Rated heating:32KW;
    • Rated dehumidification capacity:28-30Kg/h;
    • Rated input power:13KW;
    • Outlet temperature range: 30-65 ℃;
    • Fan power:4KW.

    Product overview

    • The high-temperature heat pump drying system mainly consists of the following six parts.
    • By heat pump unit (compressor).
    • Hot air circulation system (fan system).
    • Temperature and humidity control system.
    • Moisture removal system.
    • Drying room pipeline circulation system.

    Wind farm design

    The design of the wind farm is to ensure a balanced temperature and humidity inside the drying room, ensure the quality of the yellow mold, and improve the drying efficiency. An excellent wind farm needs to control the wind speed above 0.3 meters per second, and the temperature difference in the drying room should be controlled within 5 ℃. According to the laws of the wind farm, the space utilization rate in the drying room should be maintained at 70% -85%.

    Equipment performance and characteristics

    The equipment adopts a double acting single rod piston type oil cylinder placed behind the flipping body, and the columns on both sides are connected to the flipping body through bearings, ensuring better stability during flipping, smoother operation, and more convenient installation.

    The sand box operates to the flipping position, and the proximity switch feedback signal is sent to the electric control cabinet. The clamping oil cylinder on the flipping body acts in place, the sand box is clamped, and the pump station outputs oil to the tilting oil cylinder. The flipping body and the sand box are tilted 120 ° with the base bearing as the center, and the molding sand and casting slide diagonally to the sand receiving part of the sand treatment system, and the casting is produced; After the molding sand is cleaned, the pump station supplies oil in reverse, the flipping body returns to its original position, the clamping oil cylinder is released, and the sand box operates to proceed with the next flipping action.

    Compared To Traditional Heat Source EPC Drying Methods, EPC Drying Machines Based On Heat Pump Technology Have The Following Technical Characteristics:

    Energy conservation and environmental protection. The energy efficiency ratio can reach 2.5 or more, and the unit energy consumed can perform work more than 2.5 times. The system will automatically shut down after reaching the set temperature requirements and will not continue to operate.

    Efficient dehumidification: Based on the dew point temperature at different temperatures and humidities, control the airflow of air on the surface of the evaporator and the flow of refrigerant inside the evaporator to increase dehumidification efficiency and meet drying requirements.

    Efficient and energy-saving: closed cycle heating reduces energy loss caused by moisture removal, and the system recovers the huge latent heat of moisture in wet materials to improve the temperature rise rate in the drying room, shorten the operating time of the unit, and greatly improve the comprehensive energy efficiency of the unit.

    Save drying time. The last drying time in traditional lost foam drying rooms often reaches 24 hours, while the drying time of heat pump technology's lost foam drying machine can be controlled within 12 hours.

     Save the construction area of the drying room. The floor area is smaller than traditional drying rooms, which can reduce the drying room area by one-third and reduce the investment in drying room construction. The equipment installation is simple and debugging is convenient.

    Environmental protection, safety, and pollution-free: The drying medium circulates in a closed system, making it environmentally friendly.