{"id":11285,"date":"2021-02-03T12:59:30","date_gmt":"2021-02-03T11:59:30","guid":{"rendered":"https:\/\/www.ness.de\/faq-deposits-in-thermal-oil-systems\/"},"modified":"2021-02-04T10:59:06","modified_gmt":"2021-02-04T09:59:06","slug":"faq-deposits-in-thermal-oil-systems","status":"publish","type":"page","link":"https:\/\/ness.de\/en\/faq-deposits-in-thermal-oil-systems\/","title":{"rendered":"FAQ &#8211; Deposits in thermal oil systems"},"content":{"rendered":"<section  class='av_textblock_section av-k6hy212x-31801fea5f76cd588a23d444914dd83a '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1>FAQ &#8211; Deposits in thermal oil systems<\/h1>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k6j4a5xg-229e00af905c75b6a86fa90bae7ff71c\">\n#top .hr.hr-invisible.av-k6j4a5xg-229e00af905c75b6a86fa90bae7ff71c{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-k6j4a5xg-229e00af905c75b6a86fa90bae7ff71c hr-invisible  avia-builder-el-1  el_after_av_textblock  el_before_av_one_half '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div class='flex_column_table av-54u0i9-e6d1e253a32c7ecc0d07c178db1541cf sc-av_one_half av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-54u0i9-e6d1e253a32c7ecc0d07c178db1541cf\">\n.flex_column.av-54u0i9-e6d1e253a32c7ecc0d07c178db1541cf{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-54u0i9-e6d1e253a32c7ecc0d07c178db1541cf av_one_half  avia-builder-el-2  el_after_av_hr  el_before_av_one_half  first flex_column_table_cell av-equal-height-column av-align-middle av-zero-column-padding  '     ><section  class='av_textblock_section av-k6hyk1gg-dc88326d5053ea0419bc5045030ed88d '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h4>What can I do about deposits and how to proceed best?<\/h4>\n<p>This FAQ area includes some general questions and answers on and around the topic of deposits in thermal oil systems, what they are, how they are caused and how they affect the thermal oil system in the end. Moreover, we describe the advantages of constant oil cleaning and how you can avoid the formation of deposits in the best way.<\/p>\n<\/div><\/section><\/div>\n<div class='av-flex-placeholder'><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4gybfl-5aaec96b763758038db8e35ada40ab7a\">\n.flex_column.av-4gybfl-5aaec96b763758038db8e35ada40ab7a{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4gybfl-5aaec96b763758038db8e35ada40ab7a av_one_half  avia-builder-el-4  el_after_av_one_half  el_before_av_one_full  flex_column_table_cell av-equal-height-column av-align-middle av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k6hy3m9e-e2f4d5d953bd3ef6fdda38c7a8401fc6\">\n.avia-image-container.av-k6hy3m9e-e2f4d5d953bd3ef6fdda38c7a8401fc6 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-k6hy3m9e-e2f4d5d953bd3ef6fdda38c7a8401fc6 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-k6hy3m9e-e2f4d5d953bd3ef6fdda38c7a8401fc6 av-styling- av-hover-grow av-hide-overflow avia-align-center  avia-builder-el-5  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-9792 avia-img-lazy-loading-not-9792 avia_image ' src=\"https:\/\/ness.de\/wp-content\/uploads\/2020\/02\/slider-pipe-deposits-845x321.jpg\" alt='' title='slider-pipe-deposits'  height=\"321\" width=\"845\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div><\/div><\/div><!--close column table wrapper. Autoclose: 1 -->\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-25z4up-c9533f58a0a95898e8b3a37526181658\">\n.flex_column.av-25z4up-c9533f58a0a95898e8b3a37526181658{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-25z4up-c9533f58a0a95898e8b3a37526181658 av_one_full  avia-builder-el-6  el_after_av_one_half  el_before_av_one_full  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-k6hxj2js-2ad3539020a3a8e43a65b84b79f93042 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" >            <div class=\"qae-faqs-container qae-faqs-list-container\">\n\t\t\t\t\t\t\t<ul class=\"qe-faqs-filters-container\">\n\t\t\t\t<li class=\"active\"><a class=\"qe-faqs-filter all-faqs\" href=\"#\" data-filter=\"*\">All<\/a><\/li>\n\t\t\t\t<li><a class=\"qe-faqs-filter\" href=\"#deposits-and-contamination\" data-filter=\".deposits-and-contamination\">Deposits and contamination<\/a><\/li>\t\t\t<\/ul>\n\t\t\t<ol class=\"qe-faqs-index-list\"><div id=\"qe-faqs-index\" class=\"qe-faqs-index\">\n\t\t\t\t\t<li class=\"deposits-and-contamination\">\n\t\t\t\t\t\t<a href=\"#qaef-11211\">How can impurities arise in the thermal oil and which reasons does this have?<\/a>\n\t\t\t\t\t<\/li>\n\n\t\t\t\t\n\t\t\t\t\t<li class=\"deposits-and-contamination\">\n\t\t\t\t\t\t<a href=\"#qaef-11212\">Which effects do these small particles have in the thermal oil?<\/a>\n\t\t\t\t\t<\/li>\n\n\t\t\t\t\n\t\t\t\t\t<li class=\"deposits-and-contamination\">\n\t\t\t\t\t\t<a href=\"#qaef-11213\">How do I determine the degree of pollution of my oil?<\/a>\n\t\t\t\t\t<\/li>\n\n\t\t\t\t\n\t\t\t\t\t<li class=\"deposits-and-contamination\">\n\t\t\t\t\t\t<a href=\"#qaef-11214\">What can I do about the contamination?<\/a>\n\t\t\t\t\t<\/li>\n\n\t\t\t\t\n\t\t\t\t\t<li class=\"deposits-and-contamination\">\n\t\t\t\t\t\t<a href=\"#qaef-11215\">Oil filtration as preventive action against deposits in the system?<\/a>\n\t\t\t\t\t<\/li>\n\n\t\t\t\t<\/div><\/ol>\t\t<div id=\"qaef-11211\" class=\"qe-faq-list deposits-and-contamination\">\n\t\t\t<div class=\"qe-list-title\">\n\t\t\t\t<h4>\n\t\t\t\t\t<i class=\"fa fa-question-circle\"><\/i> How can impurities arise in the thermal oil and which reasons does this have?\t\t\t\t<\/h4>\n\t\t\t<\/div>\n\t\t\t<div class=\"qe-list-content\">\n\t\t\t\t\n<p>Especially in new systems, it often happens that <strong>shavings and metal particles<\/strong> of the inner wall of the pipes and the abrasion of pumps and fittings pollute the oil from the beginning. Therefore, it is optimal to filter the thermal oil already from the beginning.<\/p>\n\n\n\n<p>Later \u2013 during the running operation of the system \u2013 oxidation products occur already <strong>from 80 \u00b0C and reaction products are generated from 250 \u00b0C<\/strong>. These particles (&gt; 40\u00b5m), e.g. oil coal or coke, are clearly visible without a microscope as well.<\/p>\n\n\n\n<p>Many of these mentioned particles are <strong>too small for the strainers<\/strong> upstream the pumps and control valves.<\/p>\n<br \/><a class=\"qe-faq-top\" href=\"#qe-faqs-index\"><i class=\"fa fa-angle-up\"><\/i> Back to Index<\/a>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div id=\"qaef-11212\" class=\"qe-faq-list deposits-and-contamination\">\n\t\t\t<div class=\"qe-list-title\">\n\t\t\t\t<h4>\n\t\t\t\t\t<i class=\"fa fa-question-circle\"><\/i> Which effects do these small particles have in the thermal oil?\t\t\t\t<\/h4>\n\t\t\t<\/div>\n\t\t\t<div class=\"qe-list-content\">\n\t\t\t\t\n<p>In the long term, these particles, contained in the oil, impair the operating safety and the efficiency of the heat transfer oil systems. Impurities and deposits <strong>reduce the flow rate and increase wear<\/strong>. In the worst case, defects on heaters, pumps, sealings and valves will be the consequence. In addition, the core function \u2013 heat transfer \u2013 will be impaired strongly.<\/p>\n<br \/><a class=\"qe-faq-top\" href=\"#qe-faqs-index\"><i class=\"fa fa-angle-up\"><\/i> Back to Index<\/a>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div id=\"qaef-11213\" class=\"qe-faq-list deposits-and-contamination\">\n\t\t\t<div class=\"qe-list-title\">\n\t\t\t\t<h4>\n\t\t\t\t\t<i class=\"fa fa-question-circle\"><\/i> How do I determine the degree of pollution of my oil?\t\t\t\t<\/h4>\n\t\t\t<\/div>\n\t\t\t<div class=\"qe-list-content\">\n\t\t\t\t\n<p>The degree of pollution can be determined by an <strong>oil analysis as per DIN 51551<\/strong>. In this analysis, the <strong>coke residue is determined as per Conradson<\/strong>. This value is a very good indicator for the pollution with fine particles of the oil and the system.<\/p>\n<br \/><a class=\"qe-faq-top\" href=\"#qe-faqs-index\"><i class=\"fa fa-angle-up\"><\/i> Back to Index<\/a>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div id=\"qaef-11214\" class=\"qe-faq-list deposits-and-contamination\">\n\t\t\t<div class=\"qe-list-title\">\n\t\t\t\t<h4>\n\t\t\t\t\t<i class=\"fa fa-question-circle\"><\/i> What can I do about the contamination?\t\t\t\t<\/h4>\n\t\t\t<\/div>\n\t\t\t<div class=\"qe-list-content\">\n\t\t\t\t\n<p>The conventional method to remove \u2013 at least a part of the contamination \u2013 from the thermal oil system is <strong>the partial replacement of the used thermal oil<\/strong>. In this case, part of the oil is replaced by fresh oil, whereby a certain percentage of the particles in the oil will be discharged out of the system. However, this solution does not replace the filtration and is only a short-term solution, mostly in case of an <strong>emergency<\/strong>. Already \u201ccracked\u201d or not discharged particles further remain in the system. In addition, in some circumstances, the oil change is associated with a standstill of the system and \u2013 depending on the oil used \u2013 it causes high running costs.<\/p>\n\n\n\n<p>A fine filter with a <strong>mesh size smaller<\/strong> than the standard strainer , e.g. 1000-1600 \u03bcm, can remove most particles from the system. For comparison: The standard mesh size of the NESS Fine filter stations is 15 \u03bcm, i.e. only a fraction of the normal strainer. With this, the particles will be filtered out excellently. Correctly intergraded, this solution has the advantage that it can be carried out during the running operation of the system.<\/p>\n<br \/><a class=\"qe-faq-top\" href=\"#qe-faqs-index\"><i class=\"fa fa-angle-up\"><\/i> Back to Index<\/a>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div id=\"qaef-11215\" class=\"qe-faq-list deposits-and-contamination\">\n\t\t\t<div class=\"qe-list-title\">\n\t\t\t\t<h4>\n\t\t\t\t\t<i class=\"fa fa-question-circle\"><\/i> Oil filtration as preventive action against deposits in the system?\t\t\t\t<\/h4>\n\t\t\t<\/div>\n\t\t\t<div class=\"qe-list-content\">\n\t\t\t\t\n<p>Exactly! The integration of a Fine filter station in your thermal oil system ensures that particles are removed from the beginning and with this, the formation of deposits, e.g. in heat exchangers, on inner pipe walls, etc., will be avoided in the <strong>best possible way<\/strong>. <\/p>\n\n\n\n<p>Using the method, continuous filtration constantly provides for operating safety and efficiency and actively counteracts defects on heaters, pumps, sealings, and valves.<\/p>\n<br \/><a class=\"qe-faq-top\" href=\"#qe-faqs-index\"><i class=\"fa fa-angle-up\"><\/i> Back to Index<\/a>\t\t\t<\/div>\n\t\t<\/div>\n\t\t            <\/div>\n\t\t\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_full-1e26125d131ba13f1accaa8241be1528\">\n.flex_column.av-av_one_full-1e26125d131ba13f1accaa8241be1528{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_full-1e26125d131ba13f1accaa8241be1528 av_one_full first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-kkmf4a06-3e2ab9e45c2b0e1e8e0500f80a636315 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h1>Other FAQ topics that might interest you<\/h1>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-482qsx-5c9a3096a3feb6a1326b0eeaa43f58ef\">\n.flex_column.av-482qsx-5c9a3096a3feb6a1326b0eeaa43f58ef{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-482qsx-5c9a3096a3feb6a1326b0eeaa43f58ef av_one_third first flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k7alnhfd-2108c8c15cd492aad46b3a2b651fa88e\">\n.avia-image-container.av-k7alnhfd-2108c8c15cd492aad46b3a2b651fa88e 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srcset=\"https:\/\/ness.de\/wp-content\/uploads\/2019\/10\/slider-ness-fine-filter-station-1030x328.jpg 1030w, https:\/\/ness.de\/wp-content\/uploads\/2019\/10\/slider-ness-fine-filter-station-300x95.jpg 300w, https:\/\/ness.de\/wp-content\/uploads\/2019\/10\/slider-ness-fine-filter-station-768x244.jpg 768w, https:\/\/ness.de\/wp-content\/uploads\/2019\/10\/slider-ness-fine-filter-station-1500x477.jpg 1500w, https:\/\/ness.de\/wp-content\/uploads\/2019\/10\/slider-ness-fine-filter-station-705x224.jpg 705w, https:\/\/ness.de\/wp-content\/uploads\/2019\/10\/slider-ness-fine-filter-station-450x143.jpg 450w\" sizes=\"(max-width: 1030px) 100vw, 1030px\" \/><\/a><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-k7aloe6a-0ed17be696c2bc7e4b5f86d688485bde '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><strong><a href=\"https:\/\/ness.de\/en\/faq-ness-ff300-ff500\/\">NESS FF300 \/ FF500<\/a><\/strong><br \/>\nFine filter station FF300 \/ FF500 for<br \/>\nremoving of contamination in thermal oil<\/p>\n<\/div><\/section><\/p><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jiectw21-f0aa8bdd44d346d200e3046614429ade\">\n.avia-section.av-jiectw21-f0aa8bdd44d346d200e3046614429ade .av-parallax .av-parallax-inner{\nbackground-repeat:no-repeat;\nbackground-image:url(https:\/\/ness.de\/wp-content\/uploads\/2018\/07\/22948.jpg);\nbackground-position:50% 50%;\nbackground-attachment:scroll;\n}\n.avia-section.av-jiectw21-f0aa8bdd44d346d200e3046614429ade .av-section-color-overlay{\nopacity:0.6;\nbackground-color:#e1081a;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-jiectw21-f0aa8bdd44d346d200e3046614429ade main_color avia-section-small avia-no-border-styling avia-full-stretch 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