| abstract |
The invention discloses a high-efficiency and energy-saving boiler and a control method thereof. The main point of the technical solution is that it includes a furnace body, a combustion chamber and a burner. The combustion chamber is located in the furnace body, and the furnace body is also provided with a medium input channel and a medium output channel. The burner is installed outside the furnace body and communicated with the combustion chamber. The combustion chamber is also connected with a flue gas output pipe, and also includes a heat exchange device, a waste heat recovery device and an air preheating device, wherein the air preheating device is located in the waste heat recovery device. The rear and connected, the air preheating device is used for secondary waste heat recovery of the waste heat of the flue gas after passing through the waste heat recovery device; the combustion chamber includes a combustion chamber, a rear smoke chamber, a front smoke chamber, a primary return pipe and a secondary return pipe, The invention is suitable for the technical field of boilers. |