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China Suppliers Manufacturing Plant ZLD Electric Heat Pump Wastewater Treatment Low Temperature Evaporator Factory
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China Suppliers Manufacturing Plant ZLD Electric Heat Pump Wastewater Treatment Low Temperature Evaporator Factory

Longhope Manufacturing, a leading factory in China, specializes in high-quality vacuum evaporators and crystallizer systems, backed by over a decade of industry expertise. As trusted suppliers to esteemed companies such as HANSWEET and BYD, we focus on top-grade materials including stainless steel (304, 316), duplex steels (2205, 2507), and titanium—all certified with CE and other quality certifications. Choose Longhope for reliable and innovative solutions in evaporation and crystallization technology.

    Our solutions are applied across diverse industries: oil emulsion treatment, metal cleaning wastewater, printing & dyeing effluent, cutting fluid recycling, electroplating wastewater, and more. The technology operates on two core principles:

    1. Vacuum Evaporation Principle

    Lower pressure reduces the boiling point. Under vacuum conditions (-95 to -97 kPa), the boiling chamber maintains a temperature of 35–37°C. This negative pressure enables automatic suction of raw materials into the chamber.

    2. Compressor System Principle

    A Freon-based compressor system facilitates heating and cooling. Notably, the system eliminates the need for a feeding pump—materials are drawn into the boiling chamber, transferred to a heat exchanger, and water is evaporated. A forced circulation pump ensures continuous atomization, while the evaporation chamber’s liquid level is auto-regulated.

    Once concentration targets are met, a built-in device discharges the concentrated liquid. Backed by a professional R&D team, we deliver fully customized solutions to meet unique client needs and support business growth. Committed to excellence in quality, pricing, and delivery, we invite you to share details about your wastewater type, daily treatment capacity, testing data, and desired outcomes. This information will enable us to provide an accurate quotation and tailor a solution specifically for your requirements.

    Energy Saving & Performance

    Our evaporators work under low-pressure conditions to reduce boiling points, saving energy while ensuring optimal performance. Ideal for industries like metal industry, food & beverage, and chemicals. Say goodbye to traditional evaporation challenges and hello to enhanced productivity and quality. Discover how our vacuum evaporators can transform your operations—contact us today for a tailored solution!

    Which industries can benefit from your vacuum evaporation solutions?
    Our solutions are versatile and applied in oil emulsion treatment, metal cleaning, printing and dyeing effluent, cutting fluid recycling, electroplating wastewater, food & beverage, and chemical industries.
    How does the vacuum evaporation principle save energy?
    By creating a vacuum environment (-95 to -97 kPa), the boiling point of the liquid is significantly reduced to 35–37°C. This allows for efficient evaporation at lower temperatures, reducing overall energy consumption.
    Does the system require a feeding pump for raw materials?
    No, the system eliminates the need for a feeding pump. The negative pressure created in the boiling chamber enables the automatic suction of raw materials into the system.
    How is the concentrated liquid discharged?
    The system features an auto-regulated liquid level control. Once the pre-set concentration targets are met, a built-in device automatically discharges the concentrated liquid.
    What information is needed to get a customized quotation?
    To provide an accurate solution, we require details regarding your wastewater type, daily treatment capacity, testing data, and your desired treatment outcomes.