Connecting adjustment device of double-hearth lime kiln burning calcium carbide furnace tail gas

The invention relates to the field of application of calcium carbide furnace tail gas in lime burning, and particularly relates to a connecting adjustment device of a double-hearth lime kiln burning the calcium carbide furnace tail gas. The connecting adjustment device comprises a calcium carbide furnace tail gas pipeline, a coal gas pressing machine and a low-pressure main pipe, wherein the calcium carbide furnace tail gas pipeline is connected to a gas outlet of a calcium carbide furnace, the coal gas pressing machine is connected to the double-hearth lime kiln through a high-pressure main pipe, and the low-pressure main pipe is connected to a gas inlet of the coal gas pressing machine and is communicated with the calcium carbide furnace tail gas pipeline; and the connecting adjustment device also comprises a first set of adjustment device and a second set of adjustment devices, wherein the first set of adjustment device comprises a first diffusion pipeline, a pneumatic control valve, a first tempering prevention device and a first flame combustor, the first diffusion pipeline is communicated with the low-pressure main pipe, the pneumatic control valve and the first tempering prevention device are arranged on the first diffusion pipeline from bottom to top, the first flame combustor is arranged at the end part of the first diffusion pipeline, and a first electronic burning torch and a first flame detectors are arranged in the first flame combustor.