Welcome: Yiwu Weihao Machinery Equipment Company
Yiwu Weihao Machinery Equipment Company is a professional manufacturer and solution provider of seawater desalination systems and salt production lines. We specialize in the design, manufacturing, installation and commissioning of integrated systems that convert seawater into clean fresh water and high-purity industrial salt or edible salt. Our solutions are widely used in coastal industrial zones, islands, marine projects, chemical plants and salt enterprises.
Our seawater desalination and salt production line adopts an integrated process:
Seawater intake & pretreatment – Removal of suspended solids, algae, sand and impurities.
Seawater desalination – Using reverse osmosis (RO), multi-effect distillation (MED) or mechanical vapor recompression (MVR) technology to separate fresh water from seawater.
Brine concentration – The concentrated brine is further processed for salt production.
Salt crystallization – Through evaporative crystallization or cooling crystallization to form salt crystals.
Salt washing, dewatering, drying & packaging – Production of high-purity industrial salt or food-grade salt.
This integrated system realizes full utilization of seawater resources, achieving both fresh water supply and salt production with high efficiency and low energy consumption.
High desalination rate: Over 99% of salt and impurities removed.
Stable and reliable: Suitable for long-term operation in coastal and marine environments.
Corrosion-resistant structure: 316L, duplex stainless steel and anti-corrosion materials for long service life.
High salt purity: Up to 99.5% purity for industrial or food-grade applications.
Energy-saving design: MVR, multi-effect evaporation and waste heat recovery greatly reduce operating cost.
Fully automatic control: PLC + touch screen, unmanned operation available.
Customizable capacity: From small-scale island units to large industrial plants.
Integrated solution: One system for both water production and salt making.
Coastal industrial water supply
Island fresh water supply
Marine and offshore platforms
Industrial salt production
Edible salt production
Salt chemical industry
Zero liquid discharge (ZLD) projects
Seawater resource utilization projects
Mature technology and stable performance
Customized design based on raw water quality and capacity
One-stop service: design, production, installation, commissioning and after-sales
Global service and technical support
High efficiency, low energy consumption and long service life
We provide reliable, economical and environmentally friendly solutions for seawater desalination and salt production. Welcome to contact us for project details, technical proposals and quotations.
