Importance

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Abstract

Provided is a steam generator (1000) which comprises a water tank (200); a heater unit (300) connected with the water tank so as to heat the water; and a spraying unit (500) connected with the heater unit (300), wherein raw water heated by the heater unit (300) is in a high-temperature and high-pressure state in the heater unit (300), and the high-temperature and high-pressure raw water is converted into steam by decompression when sprayed to the outside by the spraying unit (500). The steam generator, according to the present invention, can generate steam without a separate electric power supply device, can generate steam that is harmless to the human body without generating ozone, and can generates an abundant amount of atomized steam through a process for directly heating the supplied raw water by using a heating member disposed in a housing and then secondarily heating the steam of which a phase is primarily changed so as to atomize steam particles, thereby suppressing the ejection of condensed water. In order to suppress rapid boiling which occurs by the overheating of a surface between the heating member and the supplied raw water or an overheated region formed in the housing, and steam explosion in the housing caused thereby, a bubble dispersing member is provided in the heating member, thereby preventing the rapid expansion of the steam. Since the present invention does not require an ozone removing device and an electric power supply device, the size of the steam generator can be reduced and production costs can be lowered, and thus users can easily purchase and use the steam generator at home.

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First Claim