| 摘要 |
PROBLEM TO BE SOLVED: To provide a small-sized deodorization device deodorizing a malodor in cutting oil without being affected by the temperature of the cutting oil, or the like, and prolonging the using period of the cutting oil. SOLUTION: The deodorization device 1 is provided with a mixing means 4 adding an ozone gas to the recovered cutting oil and mixing them and decomposes and deodorizes the nasty smell components of the cutting oil. Also, the deodorization device 1 is provided with a cutting oil recovery tank 2 storing the recovered cutting oil, an ozone gas generation means 3 generating the ozone gas, the mixing means 4 mixing the cutting oil supplied from the cutting oil recovery tank 2 and the ozone gas supplied from the ozone gas generation means 3, and a circulation means 5 decomposing and deodorizing the nasty smell components of the cutting oil in the mixing means 4, returning the cutting oil to the cutting oil recovery tank 2 and circulating the cutting oil.
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