Helium recovery mechanism of helium detector

• Main Authors: GUAN HEDA, QU JUNDA, GUO JIANGDONG
• Format: Patent
• Language: Chinese; English
• Published: 23.06.2023
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; STORING OF DISTRIBUTING GASES OR LIQUIDS; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES; WEAPONS

A helium recovery mechanism of a helium detection machine comprises a gas collection tank and a recovery pipeline used for communicating the gas collection tank with a vacuum box of the helium detection machine, a sealing ring type groove, a sealing ring and a connecting end are arranged on the side wall of one end of a connecting outer ring, the sealing ring is fixedly installed on a gas inlet pipe of the gas collection tank, and a sealing groove is formed in the end face, close to the connecting outer ring, of the sealing ring. The annular sealing gasket can be inserted into the sealing groove, the connecting end is connected with the inner wall of the connecting outer ring in a threaded fit mode, and the effects of improving the air tightness of the recycling pipeline, preventing helium leakage and saving resources are achieved. 一种氦检机的氦气回收机构，包括：集气罐和用于将集气罐与氦检机的真空箱连通的回收管路，连接外环的一端侧壁上具有密封环型槽，密封环和连接端头，密封环固定安装在集气罐进气管上，密封环靠近连接外环的端面上具有密封槽，环形密封垫可插接在密封槽内部，连接端头与连接外环内壁通过螺纹配合连接，具有提高回收管路气密性，防止氦气泄露，节约资源的效果。