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Zhejiang Shuangzi Intelligent Equipment Co.,Ltd.

Founded in 2007, We are China Drying machine Manufacturers and Custom Drying machine Factory. The company specializing in intelligent biological fermentation, intelligent plant (Chinese medicine, CBD) extraction, intelligent pharmaceutical engineering, natural food, energy saving and environmental protection and other fields of technology and intelligent engineering design, equipment manufacturing, supporting procurement, construction and installation, equipment Specialized biological and medical equipment innovation high tech enterprises with EPC/EPCM service engineering as the core of system integration and factory commissioning.

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Events And News

  • How does a Stainless Steel Vacuum Flash Evaporator improve product quality?
    --Dec 11,2025

    In modern industrial processes, ensuring high product quality while maintaining efficiency and safety is a persistent challenge. One technology that has proven highly effective in addressing this chal...

  • How Does Tea Polyphenols Extraction Equipment Maintain the Quality of Tea Polyphenols?
    --Dec 05,2025

    Tea polyphenols are among the most valuable bioactive compounds found in tea leaves, known for their antioxidant properties and wide application in food, beverage, cosmetics, and health-related indust...

  • What is the Difference Between a Spray Dryer and a Rotary Dryer?
    --Nov 27,2025

    A comprehensive technical comparison of industrial drying technologies Industrial drying is a critical process in numerous manufacturing sectors, from food production to pharmaceuticals and chemicals...

  • What is the Role of a Heat Exchanger in an External Circulation Evaporator?
    --Nov 21,2025

    External circulation evaporator is widely used in industries such as food processing, pharmaceuticals, chemicals, and sugar manufacturing to concentrate liquids efficiently. Among the components that ...

    • Industry Knowledge


    What is vacuum crawler dryer?
    A vacuum crawler dryer is a type of drying equipment used to remove moisture or other volatile substances from materials such as chemicals, pharmaceuticals, food products, or other industrial goods.
    It works by subjecting the material to a low-pressure environment or vacuum, which lowers the boiling point of water or other volatile substances, allowing them to evaporate at a lower temperature. The dryer typically consists of a large chamber or vessel with a heating jacket, a vacuum pump, and an agitator that helps distribute the material evenly and promotes drying.
    The material to be dried is usually loaded into the chamber in batches, and the vacuum pump is activated to reduce the pressure inside the vessel. Heat is then applied to the jacket to raise the temperature of the material and promote evaporation. As the moisture or other volatile substances evaporate, they are removed by the vacuum pump, which maintains the low pressure inside the chamber.
    Vacuum crawler dryers are commonly used in industries such as pharmaceuticals, chemicals, and food processing, where the removal of moisture is critical to the quality, stability, and shelf life of the product. They are often preferred over other types of drying equipment because they are more efficient, require less time, and can operate at lower temperatures, which helps preserve the quality of the material being dried.
    What are the advantages of vacuum crawler dryer?
    A vacuum crawler dryer offers several advantages over other drying methods, including:
    Efficient Drying: Vacuum crawler dryers are designed to dry materials quickly and efficiently. The low-pressure environment inside the dryer allows for fast evaporation of moisture, which leads to reduced drying times and improved productivity.
    Improved Quality: By reducing the drying time and operating at a low temperature, vacuum crawler dryers can help to preserve the quality of the material being dried. This is particularly important for heat-sensitive materials, which may be damaged by traditional drying methods.
    Energy Efficiency: Vacuum crawler dryers use less energy than traditional drying methods, as they require less heat to achieve the same level of drying. This can lead to significant cost savings over time, particularly for large-scale drying operations.
    Increased Control: Vacuum crawler dryers offer precise control over the drying process, allowing operators to adjust the temperature, pressure, and other parameters to achieve optimal results. This can help to ensure consistent product quality and reduce waste.
    Reduced Risk of Contamination: The closed environment of a vacuum crawler dryer helps to reduce the risk of contamination from external sources, such as dust or microorganisms. This is particularly important for materials that require strict hygiene standards, such as food or pharmaceutical products.
    A vacuum crawler dryer offers a range of benefits that can help to improve the efficiency, quality, and cost-effectiveness of drying operations.