Strong Exhaust Gas Water Heater Structure

Exhaust Type

The exhaust type strong exhaust water heater is to replace the anti-backward exhaust hood of the flue type water heater with an exhaust device (including the fume hood, motor, exhaust fan, air pressure switch, etc.), and at the same time, the original control circuit can be properly modified. . Its working principle is: cold water enters the cold water inlet, flows through the filter and the water-air linkage device and enters the water tank, and flows out from the outlet after the water tank is heated. After the gas enters the water heater, it enters the gas nozzle through the filter, solenoid valve, gas volume control valve, water and gas linkage valve. Combustion air is sucked from the room by the exhaust fan, the gas burns out in the combustion chamber, and the high-temperature flue gas is cooled by the heat exchanger and then enters the exhaust fan and is forced to be discharged to the outside.

The main feature of the exhaust type strong exhaust water heater is that the flue gas is forced to be completely discharged to the outside, which avoids indoor air pollution. From a safety point of view, the strong discharge water heater has a qualitative improvement compared with the straight discharge type and the flue type, because the safety performance is always the primary and most fundamental performance of the gas water heater; multiple safety protections are set up, in addition to the conventional safety protection Outside the device, the protection of flue blockage and excessive wind pressure (to ensure that the flue gas does not leak into the room), anti-leakage protection, fan fault protection, etc. are specially set up; the introduction of mains power provides intelligent control of water heaters, and the adoption of high-tech provides Necessary conditions, practice has proved that it is necessary and reasonable to introduce commercial power to gas water heaters.

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Blast Type

The structure of the blast type strong exhaust water heater is very different from the exhaust type. The water inlet of the water heater passes through the filter, the water flow switch, and enters the heat exchanger of the water tank, and the water becomes the hot water output after being heated. The gas enters the water heater and enters the gas nozzle after passing through the filter, double solenoid valve and gas regulating valve. The combustion air is directly sucked from the room by the blower, and is pressurized by the blower into the sealed combustion chamber. The gas burns out in the combustion chamber, and the high-temperature flue gas is cooled by the heat exchanger and forced to be discharged to the outside from the exhaust port.

The main features of the blast type forced exhaust water heater: the flue gas is forced to be completely discharged to the outside, which avoids indoor air pollution and ensures the safety of users; it adopts a micro-positive pressure closed combustion chamber and blast type combustion method to strengthen combustion and strengthen Heat transfer, the thickness of the combustion chamber is reduced by about 50% compared with the flue-type water heater of the same capacity, and the miniaturization of the large-capacity water heater is realized; the water flow switch (electrical control method) is used to replace the differential pressure disc water-air linkage device ( Mechanical type), the improvement of the control system simplifies the structure of the water heater and reduces the volume.

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Post time: Nov-14-2022