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Help Center304 Stainless Steel MVR Concentration Evaporator With PLC Control and Automatic Operation for Industrial Wastewater
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Qingdao Conqinphi Environmental Technology Group Co., Ltd., established in 2015, is a professional manufacturer specializing in industrial wastewater treatment solutions. With a factory area of 10,000–30,000 square meters and a skilled team of 201–300 employees, we deliver reliable and efficient equipment to global markets. Our 304 Stainless Steel MVR Concentration Evaporator with PLC Control and Automatic Operation represents a breakthrough in sustainable wastewater management, combining advanced mechanical vapor recompression (MVR) technology with intelligent automation to minimize energy consumption and maximize concentration efficiency. Whether you are treating high-salinity brine, chemical effluent, or pharmaceutical wastewater, this evaporator offers a cost-effective and eco-friendly solution that meets your operational demands.
The core advantage of MVR technology lies in its ability to reuse the latent heat of vapor, reducing steam consumption by up to 80% compared to conventional multi-effect evaporators. This design not only lowers operating costs but also reduces carbon footprint. The entire unit is constructed from premium 304 stainless steel, ensuring excellent corrosion resistance and long service life even in harsh industrial environments. The PLC control system enables fully automated operation, including real-time monitoring of temperature, pressure, flow rate, and liquid level. Operators can easily set parameters via an intuitive touchscreen interface, and the system automatically adjusts to maintain optimal performance, minimizing manual intervention and human error.
Key features and technical specifications:
- Material: All wetted parts are made of 304 stainless steel, with optional 316L or duplex stainless steel for highly corrosive liquids.
- Control system: Siemens or Mitsubishi PLC with HMI touchscreen, supporting remote monitoring and data logging (optional).
- Evaporation capacity: Customizable from 0.5 t/h to 30 t/h (refer to table below for standard models).
- Energy efficiency: Electrical energy consumption as low as 30–50 kWh per ton of water evaporated, significantly lower than traditional evaporators.
- Concentration ratio: Up to 20% – 30% (depending on feed characteristics), maximizing solid recovery and reducing waste volume.
- Safety features: Automatic shutdown for over-temperature, over-pressure, and low-liquid-level; alarm system for fault detection.
- Installation: Skid-mounted design for easy transportation and quick on-site assembly.
- Optional accessories: CIP cleaning system, anti-foaming system, crystallizer, and vapor scrubber.
| Parameter | Standard Value |
|---|---|
| Model | CQ-MVR-1T – CQ-MVR-30T |
| Evaporation Capacity (t/h) | 1, 2, 5, 10, 20, 30 (customizable) |
| Operating Temperature (°C) | 60 – 120 (adjustable) |
| Compressor Type | Centrifugal or Roots blower (optional) |
| Power Supply | 380V/50Hz, 3-phase (other voltages available) |
| Dimensions (L×W×H) | Depends on capacity (ask for drawing) |
| Weight | Approx. 2–15 tons (varies) |
Our MVR evaporator has been widely adopted in industries such as chemical processing, pharmaceuticals, food & beverage, mining, and petrochemicals. For example, a typical application involves concentrating high-salt wastewater from dye manufacturing, where the evaporator achieves a concentration ratio of 25%, producing both reusable distillate and valuable salt crystals. The automated PLC system ensures consistent output quality and allows for unattended operation during night shifts, significantly reducing labor costs.
The advantages for your business are clear: lower energy bills, reduced waste disposal volume, compliance with environmental regulations, and a faster return on investment. Many clients report payback periods of less than two years due to energy savings and reduced waste treatment fees.
As a trusted manufacturer with over 8 years of experience, we have built a strong reputation in global markets. Our company holds multiple certifications including ISO9001, ISO14000, OHSAS18001, HACCP, and others, ensuring that every product meets stringent quality and safety standards. With an annual export value of US$10 million – US$50 million, we export to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our facility in Qingdao, China, is equipped with advanced machining and testing equipment, and we provide comprehensive after-sales service including installation guidance, training, and spare parts supply.
We invite you to partner with us for a sustainable and efficient wastewater treatment solution. Contact us today for a customized quotation and technical proposal. Let our MVR evaporator help you turn your wastewater challenge into a value-added opportunity.
Frequently Asked Questions
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Q1: What types of wastewater can this MVR evaporator handle?
A: It is suitable for high-salinity wastewater, chemical effluents, pharmaceutical waste, landfill leachate, and many other industrial streams. The 304 stainless steel construction resists corrosion for most neutral to mildly acidic or alkaline liquids. For highly corrosive fluids, we recommend 316L or duplex steel options. -
Q2: How much energy does it save compared to traditional evaporators?
A: MVR technology typically reduces steam consumption by 70–80% because it reuses the vapor latent heat. Electrical energy consumption is only about 30–50 kWh per ton of water evaporated, depending on operating conditions. -
Q3: What is the maximum concentration ratio achievable?
A: It depends on the feed composition and solubility. In many industrial applications, we achieve 20%–30% concentration. For some high-solubility salts, it can go higher. We conduct pilot tests to determine the optimum for your specific liquid. -
Q4: Is the PLC control system easy to operate?
A: Yes. The system features an intuitive HMI touchscreen with menus in multiple languages. Parameters like temperature, pressure, and flow are pre-set for common applications, and automatic adjustments are made during operation. Remote monitoring via SCADA or mobile app is available as an option. -
Q5: What maintenance is required?
A: Regular inspection of seals, bearings, and compressor oil is recommended. The automatic CIP cleaning system (optional) helps prevent scaling. Our service team provides a detailed maintenance manual and remote support. -
Q6: What is the lead time and shipping port?
A: Standard models have a lead time of 30–45 days. Larger custom units may require 60–90 days. All shipments are from Qingdao Port, China, with free-on-board (FOB) terms available. -
Q7: Do you offer a warranty?
A: Yes, we provide a 12-month warranty covering defects in materials and workmanship. Extended warranties and spare parts packages are available upon request. -
Q8: Can you provide a pilot-scale unit for testing?
A: Absolutely. We have mobile skid-mounted pilot evaporators that can be rented or purchased for on-site trials. Contact our sales team for details.
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