Waste nitrogen and waste pressure recovery device for nitrogen making machine

The utility model belongs to the technical field of nitrogen making, and particularly relates to a waste nitrogen and waste pressure recovery device for a nitrogen making machine, which comprises an adsorption tower A and an adsorption tower B. The front side of the adsorption tower A is provided with a first interface and a second interface, the front side of the adsorption tower B is provided with a third interface and a fourth interface, the first interface is fixedly mounted with a fourth pipeline, and the second interface is fixedly mounted with a fifth pipeline. The waste nitrogen and waste pressure recovery device has the advantages that the waste nitrogen and waste pressure recovery tank is arranged, so that the waste nitrogen and waste pressure recovery bidding cost is low, and the return is high. 本实用新型属于制氮技术领域，尤其为一种制氮机用废氮废压回收装置，包括包括A吸附塔、B吸附塔，所述A吸附塔前侧设置有一号接口与二号接口，所述B吸附塔前侧设置有三号接口与四号接口，所述一号接口与十四号管道固定安装，所述十四号管道上端面固定安装有十六号管道，所述十六号管道上侧固定安装有一号管道，本实用新型通过设置废氮废压回收罐，回收废氮废压投标成本低，回报高。