Negative-pressure infrared combustion device

The utility model relates to a negative-pressure infrared combustion device which comprises a combustor, a water storage chamber and a draught fan. A combustion chamber is arranged at the upper end of the inner part of the water storage chamber, the combustor is arranged at the upper end of the combustion chamber, the lower end of the combustion chamber is connected with an inlet of the draught fan at the outer part through a flue, and an electronic high-pressure ignition needle communicated with the outer part of the water storage chamber is arranged at the inner part of the combustion chamber. The negative-pressure infrared combustion device is characterized in that the combustor comprises an air inlet elbow, an air door, a gas nozzle, an ejector, a mixing cavity, an infrared combustion pottery plate and a shell. The air door is arranged on the gas nozzle. The negative-pressure infrared combustion device has the following benefits: the combustor is arranged at the upper end of the water storage chamber; neg