Double-circulation gas water heater

A double-circulation gas water heater comprises a machine shell, a heat exchanger, a heat exchange pipe, a water inlet pipe, a water outlet pipe, an outer hot water pipe, an outer water return pipe and a control panel, and is characterized in that the water heater further comprises a three-way elect...

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Bibliographic Details
Main Authors ZHOU GAOYUN, JIN JING
Format Patent
LanguageChinese
English
Published 13.10.2023
Subjects
BLASTING
FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL
HEATING
LIGHTING
MECHANICAL ENGINEERING
RANGES
VENTILATING
WEAPONS
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Summary:A double-circulation gas water heater comprises a machine shell, a heat exchanger, a heat exchange pipe, a water inlet pipe, a water outlet pipe, an outer hot water pipe, an outer water return pipe and a control panel, and is characterized in that the water heater further comprises a three-way electromagnetic switching valve and an inner water return pipe, a water inlet port of the three-way electromagnetic switching valve is connected with the water outlet pipe, and a first water outlet port is connected with the outer hot water pipe; the second water outlet port is connected with the water inlet pipe through an inner water return pipe, the inner water return pipe is arranged in the machine shell and provided with a second one-way valve which ensures that water can only flow to the water inlet pipe from the inner water return pipe, and the three-way electromagnetic switching valve is connected with the control panel. A double-circulation system is adopted, hot water is used for the first time through outer c
Bibliography:Application Number: CN202310800027