Steam - replacement deaeration apparatus and method for use in bag packaging
Steam from a steam supply source is heated in a heating device (35), supplied to a nozzle (3,52) through a secondary steam supply passage (48) and injected from a spout (11,56). The temperature of steam at the outlet of the heating device (35) is measured by a first sensor (42,42a), and a cartridge...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | Steam from a steam supply source is heated in a heating device (35), supplied to a nozzle (3,52) through a secondary steam supply passage (48) and injected from a spout (11,56). The temperature of steam at the outlet of the heating device (35) is measured by a first sensor (42,42a), and a cartridge heater constituting the heating device is controlled on the basis of the difference between the measured temperature and a target value. Steam temperature at the nozzle spout is measured by a second sensor (17,59), and a difference between the measured temperature and a target value is obtained. The target value of steam temperature at the heating device outlet is changed to a set value predetermined according to the magnitude of the difference obtained. |
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