Multi-medium mixing device and online cleaning device

The invention discloses a multi-medium mixing device and an online cleaning device.The multi-medium mixing device comprises a main pipe body, a gas pulse valve, a first branch pipe, a first control valve, a mixing pipe, a second control valve and a cleaning water pump; a main flow channel for circulating a medium is arranged in the main pipe body; an output port of the gas pulse valve is communicated with an input port of the main pipe body, and the gas pulse valve is used for intermittently introducing gas flow into the main runner; the first branch pipe is communicated with the main pipe body through the first control valve and is used for introducing a rubber ball into the main runner; a mixing cavity is formed in the mixing pipe, the main pipe body is communicated with the mixing pipe through a second control valve, the mixing pipe is provided with a liquid inlet communicated with the mixing cavity, the cleaning water pump introduces cleaning water into the mixing cavity through the ...