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| Technical improvement on the problem of bottle collapse of PET small package oil |
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| DOI： |
| KeyWord:PET small package oil bottle collapse oil inlet link suction volume bottom in and bottom out top in and bottom out |
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| Abstract: |
| The problem of bottle collapse of commercially available 5 L PET small package oil was researched and technically improved.Bottle collapse reason was analyzed through three experiments including heat shrinkage of PET bottle, filling process and deodorized oil in oil blending tank,and it was found that the bottle collapse was related to the high suction volume of deodorized oil in oil blending tanks. Through the suction volume of oil products test, the suction volume of the four inlet links of deodorized oil, storage tank, oil blending tank and filling first pieces were quantitatively analyzed. It was found that the suction volume of “top in and bottom out” oil inlet mode was much lower than that of “bottom in and bottom out”.So adjusting the “bottom in and bottom out” oil inlet mode to “top in and bottom out” and controlling the suction volume of deodorized oil under 35 cm could effectively avoid bottle collapse of small package oil products. |
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