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

Longhope Manufacturing is a leading factory in China specializing in vacuum evaporators and crystallizer systems, backed by over a decade of experience in the industry. As one of the trusted suppliers to prestigious companies like HANSWEET and BYD, we focus on high-quality materials such as stainless steel (304, 316), duplex steels (2205, 2507), and titanium—all certified with CE and other essential certifications. Our commitment to innovation and quality positions us as a top choice for businesses looking for reliable manufacturing solutions in the field of vacuum technology

    Industrial Vacuum Evaporators & Crystallizers

    Longhope Manufacturing is a leading specialist in vacuum evaporators and crystallizer systems, with over a decade of industry expertise. Serving as a trusted supplier to renowned enterprises like HANSWEET and BYD, we specialize in high-performance materials certified with CE and other international standards.

    Stainless Steel (304, 316) Duplex Steels (2205, 2507) Titanium Material CE Certified

    Target Applications

    Our advanced solutions are applied across diverse industries to treat challenging industrial wastewater streams, including:

    • Oil emulsion treatment & cutting fluid recycling
    • Metal cleaning & electroplating wastewater treatment
    • Printing & dyeing effluent management

    Core Operating Principles

    1. Vacuum Evaporation Principle

    Operating under low-pressure conditions reduces the boiling point of liquids. Under a vacuum of -95 to -97 kPa, the boiling chamber maintains a highly efficient temperature of 35–37°C. This negative pressure enables automatic suction of raw materials directly into the chamber, saving energy while ensuring optimal performance.

    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.

    Product & System Gallery

    Get a Tailored Solution Today

    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.

    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!

    #VacuumEvaporator #IndustrialInnovation #ProcessEfficiency

    Frequently Asked Questions

    What materials are used in Longhope Manufacturing's vacuum evaporators?

    We specialize in high-quality materials including stainless steel (304, 316), duplex steels (2205, 2507), and titanium material. All of our equipment is CE certified to ensure compliance with strict industry standards.

    How does the vacuum evaporation system achieve energy savings?

    By operating under low-pressure conditions (-95 to -97 kPa), the boiling point of the liquid is significantly reduced. This allows the boiling chamber to operate at a lower temperature of 35–37°C, saving substantial energy compared to traditional atmospheric evaporation.

    Does the system require an external feeding pump?

    No, the system eliminates the need for a feeding pump. The negative pressure within the vacuum chamber automatically draws the raw materials into the boiling chamber, simplifying the mechanical structure and reducing maintenance needs.

    What industries are these evaporators suitable for?

    Our vacuum evaporators are ideal for a wide range of industries including the metal industry, food & beverage, and chemicals. They are commonly applied to treat oil emulsions, metal cleaning wastewater, printing & dyeing effluent, cutting fluid recycling, and electroplating wastewater.

    How can I get a customized quotation for my facility?

    To provide an accurate tailored solution, please contact us with details regarding your wastewater type, daily treatment capacity, testing data, and desired outcomes. Our R&D team will design a system optimized for your specific requirements.