Fuel oil spraying rod and fuel oil spraying device

The invention discloses a fuel oil spraying rod and a fuel oil spraying device. The fuel oil spraying rod comprises a first spraying rod body and a second spraying rod body, and a first binding face is arranged in the length direction; a first groove is formed in the first binding surface; bosses extending inwards are arranged on the two sides of the first groove at intervals, and nozzle oil ways are arranged on the bosses; a second attaching face is arranged in the length direction, a second groove is formed in the second attaching face, and a sealing block used for being attached to the nozzle oil way is arranged in the second groove; the first attaching face is attached to the second attaching face, and the first groove and the second groove are matched to form an oil channel. Under the limitation of the size of an original straight-hole fuel spray rod, a plurality of self-excitation sweeping fuel spray nozzle runners can be embedded, the flow resistance of the self-excitation sweeping fuel spray nozzle ru