{"id":1035,"date":"2019-01-22T14:01:47","date_gmt":"2019-01-22T14:01:47","guid":{"rendered":"http:\/\/johnbrear-plantintegrity.com\/?page_id=1035"},"modified":"2019-01-23T01:28:20","modified_gmt":"2019-01-23T01:28:20","slug":"crude-heater-life-and-performance-optimisation","status":"publish","type":"page","link":"https:\/\/johnbrear-plantintegrity.com\/?page_id=1035","title":{"rendered":"Crude heater life and performance optimisation"},"content":{"rendered":"<p><figure id=\"attachment_1012\" aria-describedby=\"caption-attachment-1012\" style=\"width: 450px\" class=\"wp-caption alignright\"><img fetchpriority=\"high\" decoding=\"async\" src=\"http:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/MHR-VDU.png\" alt=\"\" width=\"450\" height=\"300\" class=\"size-full wp-image-1012\" \/><figcaption id=\"caption-attachment-1012\" class=\"wp-caption-text\">Refinery heaters<\/figcaption><\/figure><br \/>\r\n<strong>Component:<\/strong><\/p>\r\n<ul>\r\n    <li>Radiant heater tubes, fabricated from A335 T5 material and with 185,000h service, in a cabin furnace serving a crude distillation unit<\/li>\r\n<\/ul>\r\n<p><strong>Objective:<\/strong><\/p>\r\n<ul>\r\n    <li>To determine the remaining life and future inspection requirements of the radiant tubes under current operating conditions<\/li>\r\n    <li>To determine the effect on tube life of potential increases in furnace throughput<\/li>\r\n<\/ul>\r\n<p><strong>Approach:<\/strong><\/p>\r\n<ul>\r\n    <li>Definition of baseline heater parameters by performing simulations of design and of current operating conditions<\/li>\r\n    <li>Level 2 <a href=\"http:\/\/johnbrear-plantintegrity.com\/?page_id=31\">probabilistic life assessment<\/a><\/li>\r\n<\/ul>\r\n<p><strong>Results:<\/strong><\/p>\r\n<ul>\r\n    <li>Radiant tubes shown to have a good remaining life capability under current operating conditions<\/li>\r\n    <li>Need for improved tube metal thickness measurements identified<\/li>\r\n    <li>Relationship between heater duty and tube life defined<\/li>\r\n<\/ul>\r\n<p><strong>Benefits:<\/strong><\/p>\r\n<ul>\r\n    <li>Confidence in the remaining life of the tubes, under a variety of potential operating scenarios<\/li>\r\n    <li>Definition of the balance between furnace throughput and tube life<\/li>\r\n    <li>Identification of future tube inspection and re-assessment requirements<\/li>\r\n    <li>Identification of potential limits on furnace performance, and of possible solutions<\/li>\r\n<\/ul>\r\n<figure id=\"attachment_1042\" aria-describedby=\"caption-attachment-1042\" style=\"width: 1012px\" class=\"wp-caption alignright\"><img decoding=\"async\" src=\"http:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/HeaterSim.png\" alt=\"\" width=\"1012\" height=\"650\" class=\"size-full wp-image-1042\" srcset=\"https:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/HeaterSim.png 1520w, https:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/HeaterSim-300x193.png 300w, https:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/HeaterSim-768x493.png 768w, https:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/HeaterSim-1024x658.png 1024w\" sizes=\"(max-width: 1012px) 100vw, 1012px\" \/><figcaption id=\"caption-attachment-1042\" class=\"wp-caption-text\">Heater simulation - schematic<\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"<p>Component: Radiant heater tubes, fabricated from A335 T5 material and with 185,000h service, in a cabin furnace serving a crude distillation unit Objective: To determine the remaining life and future inspection requirements of the radiant tubes under current operating conditions To determine the effect on tube life of potential increases in furnace throughput Approach: Definition &hellip; <a href=\"https:\/\/johnbrear-plantintegrity.com\/?page_id=1035\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Crude heater life and performance optimisation<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":155,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1035","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/1035","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1035"}],"version-history":[{"count":6,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/1035\/revisions"}],"predecessor-version":[{"id":1037,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/1035\/revisions\/1037"}],"up":[{"embeddable":true,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/155"}],"wp:attachment":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1035"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}