Heating device for agricultural planting and breeding

The utility model relates to a heating device for agricultural planting and breeding, which comprises a water supply system, an air supply system and a heat exchange system, the air supply system anda heat dissipation system are arranged in a cover body, the water supply system comprises a biomass particle burner, a heating water tank and a water delivery pipeline, and the water delivery pipelinedelivers hot water to the heat exchange system; the air supply system comprises a fan driven by a motor, and the heat dissipation system comprises a radiator which is arranged on the upper portion ofthe fan and fixedly connected with the fan. Hot water is conveyed into the radiator through the water inlet pipe, is discharged from the water outlet pipe arranged on the radiator and then returns tothe heating water tank, and the water supply system further comprises a cold and hot self-priming pump. The lower part of the cover body is connected with a horizontal branch pipe through a dischargemain pipe; a plurality of th