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The form of the lyophilizer condenser and the introduction of th
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lyophilizer |
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The form of the lyophilizer condenser and the introduction of the plugging device inside the box
First, the form of the lyophilizer condenser
The condenser of the lyophilizer has two types of external type and built-in type, and the user can select the form of the condenser according to the specific situation.
1. The external condenser and the freeze-drying box are two independent parts, which are connected by a large-diameter passage with an isolation valve. The advantage of this structure is that the freeze-drying box and the condenser are far apart. The temperature of the two will not affect each other. When entering and leaving the box, the freeze-drying box and the condenser can close the valve and isolate each other. The freeze-drying box can be pre-frozen and out of the box. The condenser can be defrosted separately. Mutual influence, saving the entire production cycle time, the disadvantage is that the investment cost is higher, the floor ***ce is larger.
2. The built-in condenser places the coil or metal adsorbing the sublimated water vapor in the freeze-drying box, and the freeze-drying box and the condenser are integrated. The advantage is that the sublimation channel is very close, the water vapor flow resistance is small, and the manufacturing cost is low. Low, small footprint, the disadvantage is that due to the small distance between the condensed cooling surface and the layer of the product, there is some influence on the temperature. When the lyophilization ends, the condenser still needs to continue to cool, otherwise the condenser surface The ice will melt, and the water will continue to drip in the freeze-drying box, which will affect the residual moisture content of the product. When the condenser is defrosted, the freeze-drying box cannot be pre-frozen, affecting the next batch of time, and prolonging the entire production cycle.
Second, the freeze-drying machine inside the box plug device
At present, freeze-drying machines at home and abroad can be equipped wit |
| Company: |
Beijing Songyuan Huaxing Technology Development Co., Ltd.
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| Contact: |
Mr. tingting cheng |
| Address: |
Room 706 Tower C, Changyin Building |
| Postcode: |
100000 |
| Tel: |
01058895377 |
| Fax: |
01058895377 |
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