{"id":2771,"date":"2014-06-23T10:30:53","date_gmt":"2014-06-23T09:30:53","guid":{"rendered":"https:\/\/www.ultraflux.net\/drainage-cuves-stockage-dhydrocarbures-2-2\/"},"modified":"2024-03-05T15:59:32","modified_gmt":"2024-03-05T14:59:32","slug":"drainage-of-hydrocarbon-storage-tanks","status":"publish","type":"page","link":"https:\/\/www.ultraflux.net\/en\/applications\/oil-and-gas\/drainage-of-hydrocarbon-storage-tanks\/","title":{"rendered":"Drainage of hydrocarbon storage tanks"},"content":{"rendered":"<ul class=\"gallery\"><li class=\"active image-1\"><p><img width=\"1000\" height=\"500\" src=\"https:\/\/www.ultraflux.net\/wp-content\/uploads\/2014\/06\/ISD-operation.jpg\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/www.ultraflux.net\/wp-content\/uploads\/2014\/06\/ISD-operation.jpg 1000w, https:\/\/www.ultraflux.net\/wp-content\/uploads\/2014\/06\/ISD-operation-300x150.jpg 300w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p><\/li><li class=\"image-2\"><p><img width=\"1000\" height=\"500\" src=\"https:\/\/www.ultraflux.net\/wp-content\/uploads\/2014\/06\/D\u00e9tection-dinterface-1000x500.jpg\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/www.ultraflux.net\/wp-content\/uploads\/2014\/06\/D\u00e9tection-dinterface-1000x500.jpg 1000w, https:\/\/www.ultraflux.net\/wp-content\/uploads\/2014\/06\/D\u00e9tection-dinterface-1000x500-300x150.jpg 300w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p><\/li><\/ul><nav id=\"gallery-nav\"><ul class=\"gallery-nav\"><li class=\"active image-1\"><p><\/p><\/li><li class=\"image-2\"><p><\/p><\/li><\/ul><\/nav>\n<div class=\"block\"><div class=\"title\">BACKGROUND<\/div><div class=\"text\"><div class=\"text-container\"><p>\nThe drainage of hydrocarbon storage tanks can be a highly random and potentially dangerous operation if it is not automated. This process is traditionally carried out via an operator, who manually opens the drain valves and carries out visual checks to observe the water\/oil change. When the operator sees oil in the tank, he\/she closes the valve. This method, which requires the presence of an operator in the ATEX zone (potential risks), produces a highly uncertain result.<\/p>\n<\/div><\/div><\/div>\n<div class=\"block\"><div class=\"title\">DESCRIPTION OF THE APPLICATION<\/div><div class=\"text\"><div class=\"text-container\"><p>\nWhen the crude oil is decanted into the tanks, the water contained in the hydrocarbon is pushed to the bottom of the tank (because it is denser than oil). Before the refining process, it is therefore necessary to drain these tanks to collect the accumulated water in order to avoid polluting the hydrocarbon.<br \/>\nOur system does this using an oil-water interface detector (<a href=\"https:\/\/www.ultraflux.net\/en\/products\/interface-detectors\/minisonic-ii-isd\/\">Minisonic II ISD<\/a>) connected to a control room. When the <a href=\"https:\/\/www.ultraflux.net\/en\/products\/interface-detectors\/minisonic-ii-isd\/\">Minisonic II ISD<\/a> detects a change in the product (mix of oil and water, emulsion that characterises the end of the presence of water in the tank), the detector sends a signal to the control room using one of the available protocols on the device (4-20 mA, or RS 485, etc.). This signal orders the valve to be closed, which stops the hydrocarbon from being released (loss of product) and protects against the risk of an accidental oil spill.<br \/>\nThe water, evacuated via the drain at the bottom, will then be sent to the treatment plant.<\/p>\n<\/div><\/div><\/div>\n<div class=\"block\"><div class=\"title\">EQUIPMENT USED<\/div><div class=\"text\"><div class=\"text-container\"><\/p>\n<table>\n<tbody>\n<tr>\n<td colspan=\"2\">INTERFACE DETECTOR<\/td>\n<\/tr>\n<tr>\n<td>A <a href=\"https:\/\/www.ultraflux.net\/en\/products\/interface-detectors\/minisonic-ii-isd\/\">Minisonic II ISD<\/a> converter<\/td>\n<td>A pair of clamp-on probes<\/td>\n<\/tr>\n<tr>\n<td><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1611\" src=\"https:\/\/www.ultraflux.net\/wp-content\/uploads\/2024\/03\/UF-Minisonic-II-ISD-standard.png\" alt=\"MINISONIC-II-ISD\" width=\"234\" height=\"144\" \/><\/td>\n<td><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1610\" src=\"https:\/\/www.ultraflux.net\/wp-content\/uploads\/2014\/06\/Sonde-ATEX-SXN-1524_259x173.jpg\" alt=\"Sonde ATEX SXN 1524\" width=\"217\" height=\"145\" \/><\/td>\n<\/tr>\n<tr>\n<td>Available\u00a0with standard metal casing or\u00a0explosion-proof box.<\/td>\n<td>Clamp-on probes adapted to detect the interface (SXN 1524 \/ SXN 1679 \/ SXN 1691).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\n<\/div><\/div><\/div>\n<div class=\"block\"><div class=\"title\">RESULTS<\/div><div class=\"text\"><div class=\"text-container\"><p>\nThe interface detector sends at least three ultrasound waves per second: when more than 3% oil is observed in the water, the speed of the sound in the liquid is affected, allowing the device to detect the interface.<\/p>\n<\/div><\/div><\/div>\n<div class=\"block\"><div class=\"title\">ADVANTAGES<\/div><div class=\"text\"><div class=\"text-container\"><\/p>\n<ul>\n<li>Continuous detection, unaffected by noisy environments,<\/li>\n<li>Quick installation,<\/li>\n<li>Mounting of probes under load \/ no shut down required,<\/li>\n<li>No contact with the fluid \/ no loss of pressure \/ minimum maintenance costs,<\/li>\n<li>Excellent repeatability and precision.<\/li>\n<\/ul>\n<p>\n<\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"parent":5747,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.1 - 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