Shanghai Xinzhuang Instrument Co., Ltd. is a professional manufacturer and developer of freeze-drying machines, known for its high-quality Xinzhuang brand equipment. Their freeze dryers are designed with energy efficiency and environmental protection in mind, setting the standard for domestic innovation. The company focuses on delivering reliable, safe, and cost-effective solutions that meet the needs of various industries.
With a strong emphasis on product development and continuous improvement, Shanghai Xinzhuang integrates advanced technology into their instruments, ensuring ease of use and long-term stability. They also provide dedicated application engineers to support customers and address any questions or concerns promptly.
Here’s how to operate a freeze-drying machine:
1. Start by slowly opening the "inflation valve" to allow air to enter the cold trap. Make sure it's done gradually to prevent oil from the vacuum pump from being sucked in. Then, press the "vacuum pump" power switch to let the air slowly fill the cold trap. If using inert gas, connect the gas line to the "inflation port" and slowly open the "inflation valve" to introduce the gas.
2. Next, turn off the "vacuum meter" and "refrigerator" switches one by one. At this point, the indicator light will go out, the "total power" will remain on, and you should press the button for three seconds before releasing it without turning it on again.
3. Lift the plexiglass cover, remove the item, and store it properly after the freeze-drying process is complete.
4. Once the ice in the cold trap has melted into water, open the "drain valve" to drain the liquid.
5. Clean any moisture or debris from the cold trap and perform regular maintenance to ensure optimal performance of the equipment.
6. When the vacuum pump is not in use, cover the spout to protect it from dust and contamination.
7. For multi-manifold systems, close each rubber valve individually and remove the freeze-drying bottles before repeating the shutdown procedure.
In addition to the Xinzhuang brand, Shanghai Xinzhuang also produces the LNB series of freeze dryers, which are renowned for their energy-saving design and eco-friendly operation. Whether you're looking for industrial-grade or laboratory-scale equipment, their products offer a perfect balance between quality and affordability.
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