Synthetic ammonia waste gas recovery utilizes device

The utility model belongs to a synthetic ammonia waste gas recovery utilizes device, including ammonia jar speed atmospheric pipe and the synthetic air intake duct way of putting, the atmospheric pipe is speeded through first clean ammonia tower, the clean ammonia tower of second, first tee bend with wash the ammonia tower and link to each other with membrane separation device to the ammonia jar, membrane separation device passes through at the top hydrogen pipeline and links to each other with the synthetic ammonia system, and the membrane separation device bottom links to each other with LNG storage device through the pipeline, have simple structure, reasonable in design, can realize the energy conversion through the expander with high -pressure gas, and can reach pollution -freely and the advantage zero release.