Premixer and gas water heater
The utility model relates to a premixer and a gas water heater. The premixer comprises a shell and a first baffle. In the initial stage that the first baffle rotates from the first position to be opened by a certain angle, due to the fact that the first boss extends into the first gas output part, m...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to a premixer and a gas water heater. The premixer comprises a shell and a first baffle. In the initial stage that the first baffle rotates from the first position to be opened by a certain angle, due to the fact that the first boss extends into the first gas output part, moves out of the first gas output part along with rotation of the first baffle and enters the first premixing cavity, the effective channel area of the first gas output part can be reduced; according to the water heater, the first baffle plate is arranged to limit the ventilation capacity in the first fuel gas output part, so that air and fuel gas in the premixer are stably output according to a preset air-fuel ratio at the initial stage of opening the first baffle plate, the fuel gas is stably and completely combusted in the whole water heater, the sufficient and stable combustion effect of the fuel gas can be ensured, and the combustion noise can be reduced. In addition, when the gas stove does not work, the first |
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