Closed circulation type drying system
The utility model belongs to the technical field of drying equipment, and particularly discloses a closed circulation type drying system which comprises a feeding pipe and a liquid nitrogen storage tank, a feeding port, a circulation inlet and a circulation outlet are formed in the feeding pipe, a c...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model belongs to the technical field of drying equipment, and particularly discloses a closed circulation type drying system which comprises a feeding pipe and a liquid nitrogen storage tank, a feeding port, a circulation inlet and a circulation outlet are formed in the feeding pipe, a cold drying tower is connected to the side of the circulation outlet, and an adsorption type drying tower is connected to the outlet end of the cold drying tower. The outlet end of the adsorption type drying tower is connected with a high-pressure gas storage tank, and the outlet end of the liquid nitrogen gas storage tank and the outlet end of the high-pressure gas storage tank are communicated to the The feeding pipe, the cold drying tower, the adsorption type drying tower, the high-pressure gas storage tank and the liquid nitrogen gas storage tank form closed drying circulation, an oxygen-free or low-oxygen environment is formed through the high-pressure gas storage tank and the liquid nitrogen gas storage tank, |
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