Product purpose:
Vacuum freeze dryer is widely used in medicine, pharmacy, biological research, chemical industry, food and other fields. The freeze-dried articles are easy to be stored for a long time. After adding water, they can return to the state before freeze-drying and maintain the original biochemical characteristics.
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Main features:
- the transparent door of drying bin is made of aviation acrylic material, with no adhesion, high strength and no leakage. The change process of materials can be clearly observed during operation.
- Imported brand compressor, stable and low noise.
- brand vacuum pump with high pumping speed and low noise.
- pre freeze drying is carried out in situ, which reduces the cumbersome operation in the drying process and realizes the automation of the freeze drying process;
- Simulate the operation window interface, vividly reflect the operation status of each component, and display the current operation parameters of each part in digital form;
- silicone oil is used as circulating medium, with high temperature control accuracy, shelf temperature difference ≤ 1 ℃, and uniform drying effect;
- Shelf pre freezing temperature is adjustable, controllable, groping, pilot test and production process;
- the separation design of freeze-drying chamber and cold trap chamber not only realizes the standard of drug grade pilot machine, but also greatly improves the water capture efficiency and capacity;
- Multiple sets of programs can be stored, and each program can be programmed to set the pre freezing section and drying section. During the operation of the freeze dryer, the program parameters can be modified and the drying curve and data can be recorded;
- 7-inch touch screen operation, PLC industrial controller, display drying curve;
- square tray is not easy to deform, easy to operate and easy to clean;
- equipped with inflation valve, which can be filled with dry inert gas;
- user level and password can be set for decentralized operation management;
- it can be filled with nitrogen or inert gas for storage after drying.
- Freeze drying automatic control system:
- heating control system of board layer:
Thermal cycle protection, special heating materials, fuzzy PID control algorithm.
The optimal control algorithm of freeze-drying curve can control the heating rate of samples in the stages of sublimation and analytical drying.
The industrial touch screen is adopted, with good man-machine interaction, simple and easy to understand, and simple operation can be carried out without instructions.
- manual and automatic mode selection:
The manual mode is used to explore the process parameters (strong human intervention), and the automatic mode is used in the mature stage of the process. One key operation is simple and convenient.
- Data recording system:
The intelligent data recording system can record the operation data of various components in real time and generate curves, and browse and print the data everywhere through the computer and various operations, which is convenient for process optimization and drying effect verification;
PC database storage. The amount of data stored is related to the usable capacity of computer hard disk (optional).
- Defrosting mode:
The electric defrosting of cold trap improves the defrosting speed and safety through two control modes of temperature and time;
- Optional functions (charged separately):
Vacuum regulating system: vacuum degree is regulated during sublimation and analytical drying process to avoid foaming, bottle blowing and accelerating freeze-drying efficiency of special substances.
Optional negative pressure aeration system interface, built-in 0.2 μ M filter element to reduce secondary pollution of samples, and nitrogen or inert gas can be backfilled; (optional)
The PC (computer) terminal can remotely monitor the operation status of the equipment, with a maximum monitoring distance of 1.5km (optional), and print freeze-drying curve and data (optional)
Eutectic point test function; (optional)
10 inch large color screen makes it easier to operate the equipment (optional);
Imported brand vacuum pump (optional);
Water cooled condensation, more stable temperature, not affected by ambient temperature (optional);
Calibration function:
Temperature and vacuum can be calibrated to ensure the accuracy of measured values for long-term use.
Freeze drying curve query function (temperature and vacuum curve can be queried to facilitate process optimization and freeze drying effect verification).
Technical parameters:
Freeze drying area: 3.15 ㎡
Number of diaphragm layers: 7 + 1
Temperature range of diaphragm: - 50 ℃ - + 70 ℃
Diaphragm temperature difference: ± 1 ℃ (at balance)
Partition spacing: 70mm
Partition size: 500mm * 900mm
Minimum temperature of cold trap: ≤ - 75 ℃
Overall power: 14.5KW
Overall weight: about 1500kg
Water catching capacity: 60kg
Liquid in tray: 31.5L
Defrosting: Electric defrosting
Limit vacuum degree: ≤ 5pa (no-load)
Cooling mode: air cooling, optional water cooling (additional charge)
Overall dimension: 2550*1200 (excluding door) * 1850mm
Cooling mode: air cooling, good ventilation, room temperature ≤ 25 ℃
Power supply: 380V / 50Hz
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