Skid-mounted large tank air extracting device and method

• Main Authors: LI SHUYI, YANG DONGNING, ZHAO YUJUN, MA YONG, QIE HAIXIA, LI MINMIN, ZHU GUOCHENG, WANG MENG
• Format: Patent
• Language: Chinese; English
• Published: 20.03.2020
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING

The invention provides a skid-mounted large tank air exhausting device and method. The skid-mounted large tank air exhausting device comprises a crude oil storage tank, a large tank air exhausting buffer tank, an air exhausting compressor, an air exhausting air cooler, an air exhausting separator and a condensate pump, wherein the crude oil storage tank is connected with an inlet of the large tankair exhausting buffer tank, an outlet in the lower end of the large tank air exhausting buffer tank is connected with the condensate pump, and an outlet in the upper end of the large tank air exhausting buffer tank is sequentially connected with the air exhausting compressor, the air exhausting air cooler and the air exhausting separator. The whole set of device consists of sledges, is convenientto transport, can reduce the workload of field construction, realizes recovery of large tank gas of the crude oil storage tank, and ensures the safety of a station yard. The method is suitable for large tank gas recovery of a