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Welcome to Qingdao Conqinphi Environmental Technology Group Co., Ltd. As a professional manufacturer established in 2015 with over 10,000 square meters of factory space and a dedicated team of 201-300 employees, we are proud to present our Sodium Sulfite Crystallization Evaporator built with SS316L construction and double effect design. This equipment is engineered to efficiently recover sodium sulfite from industrial wastewater, offering both high purity and low energy consumption. Our evaporators are widely trusted by clients across North America, Europe, and Asia, with annual export values exceeding US$10 million.
The Sodium Sulfite Crystallization Evaporator is specifically designed for the concentration and crystallization of sodium sulfite solutions. Key features and benefits include:
- SS316L Construction: Superior corrosion resistance against alkaline and sulfite environments, ensuring long service life and minimal maintenance.
- Double Effect Design: Utilizes vapor from the first effect as heating medium for the second effect, reducing steam consumption by up to 40% compared to single-effect systems.
- High Crystallization Efficiency: Optimized flow pattern and temperature control promote uniform crystal growth, yielding high-purity sodium sulfite crystals.
- Customizable Capacity: Available in various sizes to match your production scale, from pilot to industrial volumes.
- Automated Control: PLC-based system for precise temperature, pressure, and level regulation, with touch-screen interface for easy operation.
- Energy Saving: Integrated heat recovery and low-temperature evaporation reduce operating costs.
- Compliance with Standards: Manufactured under ISO9001 quality management system, ensuring consistent performance and safety.
| Parameter | Specification |
| Material | SS316L (body, tubes, separator) |
| Design | Double Effect, forced circulation or natural circulation (optional) |
| Evaporation Capacity | 500 kg/h – 50,000 kg/h (customizable) |
| Operating Temperature | First effect: 90-100°C; Second effect: 70-80°C |
| Steam Consumption | Approx. 0.5 kg steam per kg water evaporated (compared to 1.1 kg for single effect) |
| Crystal Purity | ≥98% (depending on feed quality) |
| Control System | PLC + HMI touch screen, remote monitoring optional |
Trusted Expertise: With a factory spanning 10,000-30,000 square meters, we have the capacity to deliver multiple units simultaneously. Our team of 201-300 skilled workers and engineers ensures each evaporator is built to stringent quality standards. We are proud to hold certifications including ISO9001, ISO14000, OHSAS18001, and others, reflecting our commitment to quality, environment, and safety. Our main markets span all continents, and we have shipped over 200 sets of evaporation equipment globally. We provide comprehensive after-sales support, including installation guidance, commissioning, and spare parts supply.
Why Choose Our Sodium Sulfite Crystallization Evaporator? It delivers reliable performance, lower energy costs, and high product purity. Backed by a manufacturer with proven export experience and strong customer satisfaction, you can count on us for a solution that meets your specific needs. Contact us today for a customized quotation and technical consultation.
Frequently Asked Questions
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Q: What is the typical application of this evaporator?
A: It is used to concentrate and crystallize sodium sulfite solutions from industrial processes such as flue gas desulfurization, paper pulping, and chemical manufacturing. -
Q: Can it handle other sulfite salts?
A: Yes, with minor adjustments in operating parameters, it can also be used for potassium sulfite or ammonium sulfite crystallization. Please consult our engineers for specific cases. -
Q: What is the minimum order quantity?
A: MOQ is 1 set. For small lab-scale units, we also offer pilot models. -
Q: How long is the delivery time?
A: Typically 30-60 days depending on capacity and customization level. We can expedite for urgent orders. -
Q: Does the evaporator come with a test certificate?
A: Yes, we provide material test certificates, pressure test reports, and performance test data upon request. -
Q: What kind of warranty do you offer?
A: We offer a 12-month warranty from the date of shipment, covering defects in materials and workmanship. Extended warranty is available. -
Q: Is on-site installation support provided?
A: Yes, we can dispatch our engineer to supervise installation and commissioning, or provide remote guidance via video call. -
Q: How does the double effect design save energy?
A: The vapor from the first effect is used to heat the second effect, reducing the total steam consumption by about 50% compared to a single-effect system, leading to significant operational cost savings.
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