Filtering device for measuring VOC (Volatile Organic Compounds) in soil

• Main Authors: JING ZHONGXIN, LIU GUANJUN, GAO YUMIAO, PAN SHIJIE, LIAN JINGRU
• Format: Patent
• Language: Chinese; English
• Published: 12.07.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PHYSICS; SEPARATION; TESTING; TRANSPORTING

The utility model provides a filter device for measuring VOC (volatile organic compound) in soil, which comprises a connecting cylinder and a locking cylinder, the connecting cylinder comprises a filter membrane, a connecting port, a connecting end, a threaded belt and a filter section, the connecting cylinder is a hollow cylinder, the end parts of the connecting cylinder are respectively the connecting end and the filter end, the connecting port is arranged in the center of the end part of the connecting end, and the threaded belt is arranged in the filter section. Threads are arranged on the outer side of the connecting port, a threaded belt is arranged on the outer wall of the connecting cylinder and clings to the connecting end, a filter membrane is arranged at the end part of the filter end, the edge of the filter membrane covers the outer side of the filter end, the diameters of the threaded belt and the filter end are smaller than those of the connecting end, the locking cylinder is a hollow cylinder,