How to deal with the residual liquid after liquefied gas recovery?

ApplicationNo./PatentNo.: 96227667 Liquefied gas residual liquid treatment and recovery device consists of an active cylinder, a passive cylinder, two control valves, a travel valve, a pressure gauge, a filter and a bracket. The master cylinder and the slave cylinder are mechanically connected and reciprocate together; The driving cylinder and the control valve are connected with an air source through pipelines; The passive cylinder and another control valve are connected with a liquefied gas steel cylinder, a filter and a residual liquid storage container through pipelines. The utility model simultaneously completes residual liquid treatment and steel cylinder vacuumizing, which is a full pneumatic system with the characteristics of small volume, light weight, low price, simple treatment process, flame retardancy and explosion prevention, and is especially suitable for the treatment and recovery of gas-liquid mixed media such as liquefied gas residual liquid. Date of application:1April 22, 996; Release date: authorization announcement date: 65438+September10,0997; Applicant/patentee: Shandong University of Technology; Address of the applicant: No.73 Jingshi Road, Jinan City, Shandong Province; Inventor: Liu Yanjun; Zhao; Liu; High patent agency: Agent: Patent type: utility model patent.