{"id":523,"date":"2023-01-10T23:39:35","date_gmt":"2023-01-10T23:39:35","guid":{"rendered":"https:\/\/graywolfslair.com\/?p=523"},"modified":"2023-04-05T20:36:17","modified_gmt":"2023-04-05T20:36:17","slug":"15-3-3-tri-coil-heat-exchanger-design","status":"publish","type":"post","link":"https:\/\/graywolfslair.com\/index.php\/15-diy-equipment\/15-3-heat-exchangers\/15-3-3-tri-coil-heat-exchanger-design\/","title":{"rendered":"15.3.3 Tri Coil Heat Exchanger Design"},"content":{"rendered":"\n<p>We used a couple different heat exchanger designs at WolfWurx, depending on application.&nbsp; One was the Tri Coil HEX, which we built ourselves using a stainless pot to hold chilling bath, in which were submerged three 1\/2&#8243; 304SS stainless coils.&nbsp;<\/p>\n\n\n\n<p>Two are 20&#8242; long and stacked one on top of the other near the outside perimeter of the pot, and there was a single 50&#8242; 10&#8243; diameter coil in the middle.<\/p>\n\n\n\n<p>The pot had three 1\/2&#8243; Schedule 40 half couplings installed in three of the sides at 90 degrees to one another, and four installed in the bottom, three at 120 degrees of one another and one in the center.<\/p>\n\n\n\n<p>Each of the fittings, except for the bottom center one, gets a Swagelok 1\/2&#8243; NPT X 1\/2&#8243; tube compression fitting installed so that the tubing is easily plumbed in without undue bends.<\/p>\n\n\n\n<p>All of the fittings gets a 1\/2&#8243; ball valve on the outside.&nbsp;<\/p>\n\n\n\n<p>The tank can be filled with ice water, or alcohol and dry ice, depending on the desired operating temperatures.<\/p>\n\n\n\n<p>One of the outside 20&#8242; exchangers is to cool the pump discharge, and the other is typically used to chill the injection, although the 50&#8242; coil can also be used for that purpose.<\/p>\n\n\n\n<p>When the center coil is used for injection, the two outside coils can be hooked together in series for additional capacity cooling the pump discharge.<\/p>\n\n\n\n<p>The center 50&#8242; coil can also be hooked up to a process chiller, and used to keep the bath chilled instead of using ice or dry ice.&nbsp;<\/p>\n\n\n\n<p>The center port in the bottom is used to drain the tank and on the WolfWurx Mk&#8217;s dumped into the storage tank barrel, but can be plumbed to drain or buckets of you are drain challenged.<\/p>\n\n\n\n<p>We install a pressure gauge in the line between the pump heat exchanger and the storage tank, and use the pressure monitor our HEX bath performance\/temperature.<\/p>\n\n\n\n<p>A key feature of this design, is that it is self draining, so not prone to flooding.&nbsp; We position it directly over the LPG storage tank.<\/p>\n\n\n\n<p>The tank and lid are both insulated with 3\/4&#8243; closed cell neoprene foam, which we got at Gasket Specialties, Portland.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"451\" src=\"https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Tricore-heat-exchanger-top-jpg.webp?resize=525%2C451&#038;ssl=1\" alt=\"\" class=\"wp-image-1697\" srcset=\"https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Tricore-heat-exchanger-top-jpg.webp?w=640&amp;ssl=1 640w, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Tricore-heat-exchanger-top-jpg.webp?resize=300%2C258&amp;ssl=1 300w, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Tricore-heat-exchanger-top-jpg.webp?resize=600%2C516&amp;ssl=1 600w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/figure>\n\n\n\n<p><strong>Tri-Core inside view<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"351\" src=\"https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Tricore-heat-exchanger-side-jpg.webp?resize=525%2C351&#038;ssl=1\" alt=\"\" class=\"wp-image-1698\" srcset=\"https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Tricore-heat-exchanger-side-jpg.webp?w=640&amp;ssl=1 640w, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Tricore-heat-exchanger-side-jpg.webp?resize=300%2C201&amp;ssl=1 300w, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Tricore-heat-exchanger-side-jpg.webp?resize=600%2C401&amp;ssl=1 600w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/figure>\n\n\n\n<p><strong>Tricore side view<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"459\" src=\"https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Tricore-heat-exchanger-bottom-jpg.webp?resize=525%2C459&#038;ssl=1\" alt=\"\" class=\"wp-image-1700\" srcset=\"https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Tricore-heat-exchanger-bottom-jpg.webp?w=640&amp;ssl=1 640w, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Tricore-heat-exchanger-bottom-jpg.webp?resize=300%2C263&amp;ssl=1 300w, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Tricore-heat-exchanger-bottom-jpg.webp?resize=600%2C525&amp;ssl=1 600w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/figure>\n\n\n\n<p><strong>Tricore bottom view<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"428\" height=\"640\" src=\"https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Tricore-heat-exchanger-assy-jpg.webp?resize=428%2C640&#038;ssl=1\" alt=\"\" class=\"wp-image-1701\" srcset=\"https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Tricore-heat-exchanger-assy-jpg.webp?w=428&amp;ssl=1 428w, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Tricore-heat-exchanger-assy-jpg.webp?resize=201%2C300&amp;ssl=1 201w\" sizes=\"auto, (max-width: 428px) 100vw, 428px\" \/><\/figure>\n\n\n\n<p><strong>Tri-Core ready to install<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>We used a couple different heat exchanger designs at WolfWurx, depending on application.&nbsp; One was the Tri Coil HEX, which we built ourselves using a [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[78],"tags":[],"class_list":["post-523","post","type-post","status-publish","format-standard","hentry","category-15-3-heat-exchangers"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ 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DIY Equipment","link":"https:\/\/graywolfslair.com\/index.php\/category\/15-diy-equipment\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Mk-III-Evolution-Lid-detail-jpg.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Mk-III-Evolution-Lid-detail-jpg.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Mk-III-Evolution-Lid-detail-jpg.webp?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Mk-III-Evolution-Lid-detail-jpg.webp?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Mk-III-Evolution-Lid-detail-jpg.webp?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":521,"url":"https:\/\/graywolfslair.com\/index.php\/15-diy-equipment\/15-3-heat-exchangers\/15-3-2-counter-flow-heat-exchangers\/","url_meta":{"origin":523,"position":1},"title":"15.3.2 Counter flow heat exchangers","author":"GrayWolf","date":"January 10, 2023","format":false,"excerpt":"\u00a0The other HEX design that we use is the counter flow design, which in our case is a 20' 1\/2\"X .049 wall 304SS tube inside a 3\/4\" 304SS tube, rolled into a convenient diameter, in our case a 10\" coil.\u00a0 The heavier .049 wall is required my ASME for LPG\u2026","rel":"","context":"In &quot;15.3 Heat exchangers&quot;","block_context":{"text":"15.3 Heat exchangers","link":"https:\/\/graywolfslair.com\/index.php\/category\/15-diy-equipment\/15-3-heat-exchangers\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":515,"url":"https:\/\/graywolfslair.com\/index.php\/15-diy-equipment\/15-1-the-history-of-the-terpenator-according-to-gospel\/","url_meta":{"origin":523,"position":2},"title":"15.1 The History of the Terpenator According to Gospel","author":"GrayWolf","date":"January 10, 2023","format":false,"excerpt":"Success has many fathers, while failure is often a bastard child, so stories abound about how closed loop BHO extraction got started.\u00a0 Truth is also shorter than fiction, so let me share my perspective to consider with the rest. 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It sits on a modified cat litter bucket, and is filled with ice water to condense the incoming vapors. Here is a picture\u2026","rel":"","context":"In &quot;15.3 Heat exchangers&quot;","block_context":{"text":"15.3 Heat exchangers","link":"https:\/\/graywolfslair.com\/index.php\/category\/15-diy-equipment\/15-3-heat-exchangers\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Ghetto-condenser-parts1-jpg.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Ghetto-condenser-parts1-jpg.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Ghetto-condenser-parts1-jpg.webp?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Ghetto-condenser-parts1-jpg.webp?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Ghetto-condenser-parts1-jpg.webp?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":535,"url":"https:\/\/graywolfslair.com\/index.php\/15-diy-equipment\/15-8-ethanol-fractionating-still\/15-8-1-refluxing-columns-for-producing-190-proof-ethanol\/","url_meta":{"origin":523,"position":5},"title":"15.8.1 Refluxing columns for producing 190 proof Ethanol","author":"GrayWolf","date":"January 10, 2023","format":false,"excerpt":"Still with 60\" packed Reflux column in operation In previous articles 10.19 190 Proof Ethanol from Scratch, and article 15.8 Ethanol Fractionating Still, I discus how to produce 190 proof Ethanol, the difference being that the latter uses a reflux column to achieve 95% 190 proof concentration, while the former\u2026","rel":"","context":"In &quot;15.8 Ethanol fractionating still&quot;","block_context":{"text":"15.8 Ethanol fractionating still","link":"https:\/\/graywolfslair.com\/index.php\/category\/15-diy-equipment\/15-8-ethanol-fractionating-still\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Vacuum-still-jpg.webp?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Vacuum-still-jpg.webp?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Vacuum-still-jpg.webp?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Vacuum-still-jpg.webp?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Vacuum-still-jpg.webp?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/graywolfslair.com\/wp-content\/uploads\/2023\/04\/Vacuum-still-jpg.webp?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/graywolfslair.com\/index.php\/wp-json\/wp\/v2\/posts\/523","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/graywolfslair.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/graywolfslair.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/graywolfslair.com\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/graywolfslair.com\/index.php\/wp-json\/wp\/v2\/comments?post=523"}],"version-history":[{"count":3,"href":"https:\/\/graywolfslair.com\/index.php\/wp-json\/wp\/v2\/posts\/523\/revisions"}],"predecessor-version":[{"id":1702,"href":"https:\/\/graywolfslair.com\/index.php\/wp-json\/wp\/v2\/posts\/523\/revisions\/1702"}],"wp:attachment":[{"href":"https:\/\/graywolfslair.com\/index.php\/wp-json\/wp\/v2\/media?parent=523"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/graywolfslair.com\/index.php\/wp-json\/wp\/v2\/categories?post=523"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/graywolfslair.com\/index.php\/wp-json\/wp\/v2\/tags?post=523"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}