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Welcome to Qingdao Conqinphi Environmental Technology Group Co., Ltd., a leading manufacturer with a 10,000+ sqm factory and over 8 years of expertise in environmental solutions. Our Industrial Wastewater Treatment MVR Tubular Falling Film Evaporator, 500L/H, 304 SS is engineered to deliver high-efficiency evaporation for challenging industrial effluents. By combining advanced MVR (Mechanical Vapor Recompression) technology with a robust tubular falling film design, this system significantly reduces energy consumption while achieving consistent concentration results. Built entirely from 304 stainless steel, it offers excellent corrosion resistance and long-term durability for harsh wastewater environments.
The evaporator is designed for continuous operation, handling up to 500 liters per hour of feed liquid. It is ideal for industries such as chemical, pharmaceutical, food processing, textile dyeing, and landfill leachate treatment. With its compact footprint and modular construction, the unit integrates seamlessly into existing treatment lines. Below you will find detailed technical specifications and features that demonstrate its exceptional performance.
Key Features & Benefits
- Energy Efficiency: MVR technology reuses vapor compression heat, saving up to 60-80% energy compared to traditional multi-effect evaporators.
- High Heat Transfer Coefficient: Tubular falling film design ensures uniform liquid distribution, minimizing fouling and scaling.
- 304 SS Construction: Resistant to a wide range of corrosive chemicals, suitable for acidic, alkaline, and saline wastewater.
- Low Maintenance: Few moving parts and easy-access design reduce downtime and maintenance costs.
- Compact & Modular: Fits into limited space; optional skid-mounted configuration for easy installation.
- Automated Control: PLC and HMI touchscreen allow precise monitoring of temperature, pressure, and flow rates.
- Customizable: Available with different separation systems (e.g., cyclone, mist eliminator) and heat source options (electric or steam).
Technical Specifications
| Parameter | Value |
| Evaporation Capacity | 500 L/H |
| Feed Inlet Temperature | 20–80 °C |
| Operating Temperature | 60–100 °C (adjustable) |
| Compressor Type | Centrifugal / Roots (optional) |
| Material of Construction | 304 Stainless Steel |
| Power Consumption | ~18 kW (typical) |
| Vapor Recompression Ratio | 1.5 – 2.0 |
| Control System | PLC + HMI (Siemens / Mitsubishi) |
How It Works
The MVR tubular falling film evaporator operates by feeding preheated wastewater into the top of vertically arranged heat exchange tubes. A thin liquid film flows down the inside tube walls, while steam circulates on the outside. The vapor generated from the liquid is drawn into a mechanical compressor, which increases its pressure and temperature. This compressed vapor is then fed back into the steam side, providing the latent heat required for further evaporation. The process repeats continuously, achieving high concentration ratios with minimal external energy input.
FAQ
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Q: What type of wastewater can this evaporator handle?
A: It is suitable for industrial wastewater with moderate to high salinity, organic loads, and corrosive components. Examples include chemical effluent, pharmaceutical mother liquor, textile dyeing waste, and food processing concentrate. We recommend sending a sample for a pilot test to confirm compatibility. -
Q: Does the system require a pre-treatment step?
A: Yes, for optimal performance, feed should be free of large solids or high viscosity materials. A simple filtration or settling tank is typically recommended upstream. -
Q: What is the typical payback period for energy savings?
A: Depending on local energy prices and operating hours, the energy savings from MVR technology usually offset the investment within 1–3 years. -
Q: What certifications does this product meet?
A: Our manufacturing process is ISO9001 certified (Qingdao Conqinphi). The evaporator can be designed to meet specific regional standards such as CE, ASME, or GB150 upon request. -
Q: Can the capacity be scaled up or down?
A: Yes, we offer custom designs from 100 L/H to 10,000 L/H. This 500L/H model is a standard modular unit. -
Q: What is the lifespan of the 304 SS tubes?
A> With proper maintenance and moderate pH conditions (4-10), the tube life typically exceeds 5 years. For highly corrosive streams, we offer 316L or duplex stainless steel options. -
Q: How is the compressor maintained?
A: The compressor requires periodic oil changes and seal inspections per the manufacturer's manual. Our after-sales team provides remote support and onsite service contracts. -
Q: Do you provide installation and commissioning?
A: Yes, we offer turnkey services including installation supervision, commissioning, and operator training. Overseas support is available through our global partners.
Backed by Qingdao Conqinphi Environmental Technology Group Co., Ltd., a company with a factory size of 10,000–30,000 sqm and an annual export value exceeding US$10–50 million, we deliver reliability and innovation. Our team of 201–300 skilled employees ensures strict quality control, and our products are trusted across North America, Europe, Asia, and beyond. With access to Qingdao Port, we provide efficient logistics worldwide.
This evaporator represents a smart investment for facilities aiming to reduce disposal costs, recover valuable by-products, or meet stringent discharge regulations. Contact us today for a customized proposal, technical data sheet, or a free consultation. Let us help you achieve sustainable wastewater treatment with proven MVR technology.
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