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Welcome to Qingdao Conqinphi Environmental Technology Group Co., Ltd. As a professional manufacturer established in 2015 with a factory size of 10,000-30,000 square meters and over 200 experienced employees, we take pride in delivering high-quality Multi-effect Evaporation Crystallization Machines for salt recovery in the food processing industry. Our machine is engineered to maximize energy efficiency and product purity, helping food manufacturers reduce operating costs while meeting strict HACCP and ISO quality standards. With annual export value exceeding US$10 million, our equipment has been trusted by clients across North America, Europe, Southeast Asia, and beyond.
This advanced crystallization system utilizes multiple-effect evaporation technology to concentrate brine solutions and crystallize salt with minimal steam consumption. Whether you need to recover table salt from cheese brine, pickle solutions, or sea salt from seafood processing wastewater, our machine delivers consistent crystal size, high purity, and low energy usage. Each unit is customizable to fit your specific capacity, material requirements, and automation level.
Key Features & Technical Specifications
- Multi-effect design – Up to 8 effects reduce steam consumption by 50-80% compared to single-effect evaporators.
- Food-grade materials – All product contact parts are made of 304 or 316L stainless steel, ensuring corrosion resistance and compliance with food safety regulations.
- Adjustable crystallization parameters – Temperature, residence time, and seeding control allow precise crystal size distribution (e.g., 0.2-2.5 mm).
- Energy recovery system – Vapor compression (mechanical or thermal) options further improve efficiency.
- PLC automatic control – Touchscreen interface with real-time monitoring, data logging, and alarm functions (optional manual mode available).
- Compact footprint – Modular design reduces installation space and simplifies maintenance.
- Low maintenance – Anti-scale coating and automatic washing cycles minimize downtime.
| Parameter | Standard Range | Remarks |
|---|---|---|
| Number of effects | 3 – 8 | Customizable |
| Evaporation capacity | 500 – 10,000 kg/h | Per unit |
| Steam consumption | 0.2 – 0.4 kg steam/kg water | Depending on effects |
| Working temperature | 50 – 100 °C | For salt solutions |
| Material | SS304 / SS316L | Food-grade |
| Control system | PLC + HMI | Optional remote monitoring |
| Power supply | 380V / 50Hz (customizable) | Other voltages available |
| Salt purity | ≥ 99.5% | Depending on feed |
Advantages for Your Salt Recovery Process
- Energy savings – Multi-effect design dramatically reduces steam consumption, lowering your utility bills by up to 60% compared to traditional single-effect evaporators.
- High product quality – Controlled crystallization yields uniform salt crystals with high purity, suitable for direct reuse in food products or as a saleable by-product.
- Environmentally friendly – Closed-loop operation minimizes wastewater discharge and recovers valuable salt, supporting zero-liquid-discharge (ZLD) initiatives.
- Easy integration – Compact skid-mounted design simplifies installation in existing production lines, with minimal civil works required.
- Low operating cost – Automatic cleaning and anti-scaling features reduce maintenance labor and chemical consumption.
- Flexibility – Handles various salt solutions: NaCl, KCl, MgSO₄, and mixed brines from food processing (e.g., pickling, cheese making, meat curing).
Why Choose Conqinphi Technology?
With over 9 years of manufacturing experience, a dedicated R&D team, and a 20,000 m² factory facility, Qingdao Conqinphi delivers reliable and customized solutions. Our products have been exported to more than 30 countries across all major continents, with annual export value between US$10 million and US$50 million. We hold multiple certifications including ISO9001, HACCP, OHSAS18001, and others, ensuring every machine meets international quality and safety standards.
Our multi-effect evaporation crystallization machines are built with precision welding, traceable materials, and rigorous testing before shipment. We offer comprehensive after-sales support: installation supervision, commissioning, operator training, and 12-month warranty. Spare parts are readily available from our Qingdao warehouse, and our engineers can provide remote troubleshooting or on-site service as needed.
Ready to optimize your salt recovery process? Contact us today for a free feasibility study and quotation. Let Conqinphi help you turn waste brine into valuable salt while reducing energy costs.
Frequently Asked Questions (FAQ)
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What types of salt can be recovered?
Our machine is suitable for recovering sodium chloride (table salt), potassium chloride, magnesium sulfate, and other common salts from food processing brines, including cheese brine, pickle brine, and meat curing solutions. -
What is the typical energy saving compared to single-effect evaporators?
A 4-effect system can reduce steam consumption by approximately 75% (from ~1.1 kg steam/kg water to ~0.28 kg steam/kg water). Higher effect numbers yield even greater savings. -
Is the machine certified for food contact?
Yes, all wetted parts are made of food-grade 304/316L stainless steel, and the design complies with HACCP and ISO9001 standards. Additional certifications like CE or 3-A can be arranged upon request. -
Can I customize the capacity and number of effects?
Absolutely. We offer capacities from 500 kg/h to 10,000 kg/h and 3 to 8 effects. Our engineering team will design the optimal configuration based on your feed composition, target production rate, and available utilities. -
How is the salt crystal size controlled?
Crystal size is regulated by adjusting temperature profile, circulation rate, and residence time in the crystallizer. We also offer optional seed dosing systems for finer control. -
What maintenance is required?
Routine maintenance includes visual inspections, cleaning of heat exchange surfaces (automatic CIP system available), and periodic replacement of gaskets. The anti-scaling coating reduces fouling frequency. -
What is the lead time for delivery?
Standard models require 60–90 days from order confirmation. Customized units may take 90–120 days. We ship from Qingdao port, and we can coordinate logistics to your location worldwide. -
Do you provide installation and training?
Yes, we offer on-site installation supervision and commissioning, plus operator training (both on-site and online). Remote support via video call is also available.
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