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Anping County Boli Hardware Wiremesh Products Factory, established in 1998 with an annual export value of US$5–10 million, presents our Evaporator-Crystallizer for Chemical Wastewater Treatment – a core component of Zero Liquid Discharge (ZLD) Systems. This robust equipment is engineered to transform high-salinity, toxic industrial wastewater into clean reusable water and solid crystalline waste, achieving true environmental compliance and resource recovery. With over 20 years of manufacturing experience and a global export footprint spanning North America, Europe, Asia, and Africa, we deliver reliable solutions that meet the highest standards of performance and durability.
Product Highlights:
- High Evaporation Efficiency: Advanced forced circulation or falling film design ensures up to 98% water recovery, reducing liquid waste volume dramatically.
- Anti-Scaling & Anti-Corrosion: Constructed from premium stainless steel (316L or duplex) with special coatings, our equipment withstands aggressive chemical environments and prevents scaling.
- Fully Automated Operation: Integrated PLC + HMI touch screen control system allows real-time monitoring, automatic start/stop, and remote access (optional).
- Energy-Saving Design: Mechanical vapor recompression (MVR) or multi-effect evaporation (MEE) options reduce energy consumption by up to 60% compared to traditional single-effect units.
- Compact Footprint: Modular skid-mounted design simplifies installation, requires minimal civil works, and is ideal for plant retrofits or new projects.
| Parameter | Specification |
| Evaporation Temperature | 60 – 120°C (adjustable) |
| Condenser Type | Shell & Tube / Plate Heat Exchanger |
| Feed TDS Range | 3,000 – 200,000 mg/L |
| Final Solid Content | ≥ 95% dryness (crystallized salt) |
| Control System | PLC + HMI (Siemens or Mitsubishi optional) |
| Power Consumption | 0.5 – 1.2 kWh/m³ (MVR mode) |
How It Works – The Zero Liquid Discharge Process:
- Pre-treatment: Incoming wastewater is filtered, pH-adjusted, and softened to prevent scaling and fouling.
- Evaporation: The pre-treated water enters the evaporator where it is heated under controlled vacuum or atmospheric pressure. Water vapor is separated from concentrated brine.
- Crystallization: The concentrated brine is further concentrated in the crystallizer until supersaturation occurs, forming solid crystals that are separated via a centrifuge or filter press.
- Condensation & Reuse: The clean vapor is condensed into distilled water (TDS
- Solid Disposal: The dry crystalline solids (salts, metal hydroxides, etc.) can be disposed of as hazardous waste or, in some cases, reused as by-products.
Customer Benefits:
- Regulatory Compliance: Meet stringent discharge standards (e.g., local EPA, EU directives) without risk of fines or shutdowns.
- Water Resource Recovery: Reduce freshwater intake by up to 95%, lowering operational costs and environmental footprint.
- Low Maintenance: Self-cleaning design with CIP (clean-in-place) system minimizes downtime. Spare parts are readily available.
- Scalable & Customizable: We offer capacities from 500 L/h to 50,000 L/h, and can tailor the unit to your specific wastewater chemistry (e.g., high chloride, fluoride, or organic content).
- Proven Track Record: Our evaporator-crystallizers have been installed in chemical plants, pharmaceutical factories, textile mills, and mining operations worldwide.
Why Choose Us?
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a trusted manufacturer serving global industrial clients. With annual exports exceeding US$5 million and a presence in over 15 major markets including North America, Europe, Southeast Asia, Africa, and Oceania, we bring decades of engineering excellence and supply chain reliability. Our team of experienced engineers provides end-to-end support: from initial water analysis and process design to installation, commissioning, and after-sales service. We are committed to delivering Zero Liquid Discharge solutions that not only solve your wastewater challenges but also add value to your business. Contact us today for a free consultation and customized quotation.
Frequently Asked Questions (FAQ)
1. What types of wastewater can this evaporator-crystallizer handle?
It is designed for high-salinity chemical wastewater, including those from petrochemical, pharmaceutical, textile, mining, and electroplating industries. It can treat TDS from 3,000 to 200,000 mg/L, with appropriate pre-treatment for scaling-prone compounds.
2. What is the typical water recovery rate?
Our system achieves >95% water recovery as distillate, with the remaining 5% converted into dry solids. The exact recovery depends on feed composition and operating conditions.
3. Does the system require any chemicals or consumables?
Minimal chemicals are needed for pre-treatment (e.g., anti-scalant, pH adjuster). The evaporator-crystallizer itself uses only electricity (or steam) and cooling water. No consumable membranes are required.
4. Is the equipment easy to operate?
Yes. It features a fully automatic PLC + HMI control system. Operators only need to set parameters and monitor the touch screen. Remote monitoring and alarm notifications are available as an option.
5. Can you customize the system to fit my existing plant layout?
Absolutely. Our units are modular and skid-mounted. We can design the evaporator-crystallizer to match your available space, piping connections, and electrical supply. Customized materials (e.g., Hastelloy, titanium) are also available for corrosive streams.
6. What is the typical delivery time?
Standard lead time is 30–45 days after order confirmation and down payment. For urgent projects, we can expedite production to 20–25 days.
7. Do you provide installation and commissioning services?
Yes. We offer on-site supervision by our experienced engineers, or we can provide detailed installation manuals and remote technical support. Training for your operators is also included.
8. What certifications does your equipment have?
Our equipment is manufactured in accordance with international standards. Specific certifications (e.g., CE, ASME) can be provided upon request at additional cost. Please contact our sales team for details.
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