Device tail gas mutual supply system

The utility model discloses a device tail gas mutual supply system which comprises a tail gas washing tower I, a tail gas washing tower II, a tail gas dryer I, a tail gas dryer II, a low-pressure inert gas user supply pipeline I, a high-pressure inert gas user supply pipeline I, a low-pressure inert gas user supply pipeline II and a high-pressure inert gas user supply pipeline II, according to the utility model, the low-pressure inert gas corresponding to the tail gas washing tower II is supplied to the low-pressure user corresponding to the tail gas washing tower I, and the surplus high-pressure inert gas corresponding to the tail gas washing tower I is supplied to the high-pressure inert gas user corresponding to the tail gas washing tower II; and a tail gas compressor is designed in a gas conveying pipeline of the tail gas washing tower II, so that the process requirement can be met, and the production cost is reduced. 本实用新型公开了一种装置尾气互供系统，包括尾气洗涤塔一、尾气洗涤塔二、尾气干燥器一、尾气干燥器二、低压惰气用户供给管线一、高压惰气用户供给管线一以及低压惰气用户供给管线二和高压