| 摘要 |
PURPOSE: A device for circulating and supplying hot air of a shrink packaging machine is provided to cut down energy and to improve the quality of packaging by raising thermal efficiency and making hot air circulated and supplied all around. CONSTITUTION: A device for circulating and supplying hot air of a shrink packaging machine is composed of a duct(1) installed to the outside of a chamber for shrink packaging(7), a blower(2) connected with a motor(5), a heater(3), plural holes for supplying hot air(17,18) installed to the inner panels(15,16) of both sides, and plural holes for supplying hot air(21,22) installed to the inner panel(20) of the bottom. The upper part of the passage(14) for hot air of the duct is wide and the lower part of the passage is narrow, and a hole(19) for controlling the angle of wind direction.
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