System for producing ultra-clean high-purity electronic grade acetone
2008
The invention discloses a system for producing ultra-clean high-purity electronic grade acetone, comprising a membrane pump, a stock tank, a first flowmeter, a rectifying tower, condensers and finished product tanks, wherein, the rectifying tower comprises a distilling column kettle and a distilling column; the condensers are two, the two condensers are respectively a first condenser and a second condenser that are connected from beginning to end; the finished product tanks are two and are characterized in that the second condenser is provided with two exits; one exit is connected with a second flowmeter, and the exit of the second flowmeter is connected with the two finished product tanks respectively; the other exit of the second condenser is connected with a third flowmeter and the exit of the third flowmeter is connected to a distilling column T by a pipeline; the diameter of the kettle of the rectifying tower is 2.8m, the tower is 8cm high and a tower plate is 4.9m high; stainless steel packing material filled into the rectifying tower is orifice corrugated packing. By adopting the system, the purity of acetone produced can be improved greatly.
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