FUEL GAS WATER HEATER AND HEAT EXCHANGER FOR USE IN FUEL GAS WATER HEATER

A fuel gas water heater and a heat exchanger (100) for use in the fuel gas water heater. The heat exchanger (100) comprises: a housing (10), where a heat exchanging cavity (101) is defined within the housing (10), a smoke inlet (104) is provided at the upper part of the housing (10) and in communica...

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Bibliographic Details
Main Authors HUANG, Guanxian, LIANG, Guorong, DU, Xiaowen, LU, Zu'an
Format Patent
LanguageChinese
English
French
Published 07.12.2017
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 fuel gas water heater and a heat exchanger (100) for use in the fuel gas water heater. The heat exchanger (100) comprises: a housing (10), where a heat exchanging cavity (101) is defined within the housing (10), a smoke inlet (104) is provided at the upper part of the housing (10) and in communication with the heat exchanging cavity (101), and a smoke outlet (105) is provided at the lower part and in communication with the heat exchanging cavity (101); a main heat exchanger (20) provided within the heat exchanging cavity (101) and arranged between the smoke inlet (104) and the smoke outlet (105); and a condensation heat exchanger (30) provided within the heat exchanging cavity (101) and arranged between the main heat exchanger (20) and the smoke outlet (105). At least a part of the heat exchanging cavity (101) forms a variable diameter cavity, the cross-section area of the variable diameter cavity decreases gradually from top to bottom, and the condensation heat exchanger (30) is provided within the variabl
Bibliography:Application Number: WO2016CN92098