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

Longhope Manufacturing stands out as a premier manufacturer and supplier of vacuum evaporators and crystallizer systems in China. With over a decade of experience in the industry, we have established ourselves as a reliable partner for major companies like HANSWEET and BYD. Our factory specializes in high-quality materials such as stainless steel (304, 316), duplex steels (2205, 2507), and titanium, all backed by CE and other certifications. Trust Longhope Manufacturing for innovative solutions and exceptional quality in vacuum 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.

    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.

    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!

    Frequently Asked Questions

    Q: Which industries can use your vacuum evaporation solutions?

    Our solutions are applied across diverse industries including oil emulsion treatment, metal cleaning wastewater, printing & dyeing effluent, cutting fluid recycling, electroplating wastewater, food & beverage, chemicals, and the metal industry.

    Q: How does the vacuum evaporation technology save energy?

    The technology operates under negative vacuum conditions (-95 to -97 kPa), which significantly lowers the boiling point of the liquid. The boiling chamber maintains a low temperature of 35–37°C, which reduces energy consumption while maintaining optimal performance.

    Q: Does the compressor system require a feeding pump?

    No, the system eliminates the need for an external feeding pump. Raw materials are automatically drawn into the boiling chamber via vacuum suction created by the negative pressure.

    Q: How is the wastewater concentration and discharge managed?

    A forced circulation pump ensures continuous atomization while the liquid level in the evaporation chamber is auto-regulated. Once the target concentration is met, a built-in device automatically discharges the concentrated liquid.

    Q: What information is required to get a customized quotation?

    To provide an accurate quotation and customized solution, please share details about your wastewater type, daily treatment capacity, testing data, and desired treatment outcomes.