{"id":11113,"date":"2025-05-19T11:31:29","date_gmt":"2025-05-19T08:31:29","guid":{"rendered":"https:\/\/makelaalu.fi\/?p=11113"},"modified":"2025-05-19T11:32:39","modified_gmt":"2025-05-19T08:32:39","slug":"foundrys-waste-heat-used-for-heating-paintshops","status":"publish","type":"post","link":"https:\/\/makelaalu.fi\/en\/news\/foundrys-waste-heat-used-for-heating-paintshops\/","title":{"rendered":"Foundry\u2019s waste heat used for heating paintshops"},"content":{"rendered":"<p class=\"\" data-start=\"540\" data-end=\"704\">We have implemented new heat pump technology to recover waste heat from the foundry at our Luoma-aho plant. The recovered heat is used to warm up the paintshops.<\/p>\n<p class=\"\" data-start=\"706\" data-end=\"1007\">\u2013 The heat recovery and pump system replaces the use of liquefied gas in the pre-treatment processes of both coating lines. The waste heat is collected from the foundry\u2019s cooling water basin. This water is generated when castings are cooled with water, explains <strong data-start=\"968\" data-end=\"985\">Tomi Pilbacka<\/strong>, Development Manager.<\/p>\n<p class=\"\" data-start=\"1009\" data-end=\"1176\">The foundry produces M\u00e4kel\u00e4 Alu\u2019s own recycled billet by casting recycled aluminium. The idea of capturing heat from the cooling water originated nearly ten years ago.<\/p>\n<p class=\"\" data-start=\"1178\" data-end=\"1390\">\u2013 Together with the equipment supplier, we explored different possibilities for utilising process waste heat, and this was identified as one of the most promising targets, says <strong data-start=\"1355\" data-end=\"1372\">Reijo Sepp\u00e4l\u00e4<\/strong>, Project Manager.<\/p>\n<h2 class=\"\" data-start=\"1395\" data-end=\"1431\">The system replaces liquefied gas<\/h2>\n<p class=\"\" data-start=\"1433\" data-end=\"1724\">With the new system in place, the thermal energy recovered from the foundry is used to heat the pre-treatment water in both coating lines and the horizontal coating line. Before powder coating, the aluminium profiles are washed \u2013 previously, this process water was heated with liquefied gas.<\/p>\n<p class=\"\" data-start=\"1726\" data-end=\"1862\">\u2013 Once the new system is fully operational, we\u2019ll be able to eliminate the use of liquefied gas in these heating needs, Pilbacka states.<\/p>\n<p class=\"\" data-start=\"1864\" data-end=\"2014\">Since cooling water is only generated when casting is in progress, the system includes an electric backup boiler that operates with clean electricity.<\/p>\n<h2 class=\"\" data-start=\"2019\" data-end=\"2056\">Container solution allows mobility<\/h2>\n<p class=\"\" data-start=\"2058\" data-end=\"2221\">The equipment was installed in a separate container that was preassembled at the factory. On site, piping and electrical work was carried out by local contractors.<\/p>\n<p class=\"\" data-start=\"2223\" data-end=\"2380\">\u2013 This solution is cost-efficient and, if needed, movable. Commissioning is still ongoing, but the system will be fully up and running shortly, Sepp\u00e4l\u00e4 says.<\/p>\n<p class=\"\" data-start=\"2382\" data-end=\"2568\">The equipment supplier was the Finnish company Calefa, specialised in heat pump solutions, and the project was also carried out in cooperation with local piping and electrical companies.<\/p>\n<p class=\"\" data-start=\"2570\" data-end=\"2788\">The solution will result in a reduction of 290 tonnes of CO\u2082 emissions already this year. The investment is valued at approximately \u20ac360,000 and will bring substantial energy savings by eliminating liquefied gas usage.<\/p>\n<p data-start=\"2570\" data-end=\"2788\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9909\" src=\"https:\/\/makelaalu.fi\/wp-content\/uploads\/2023\/11\/EN_Funded_by_the_European_Union_RGB_POS.jpg\" alt=\"\" width=\"500\" height=\"120\" srcset=\"https:\/\/makelaalu.fi\/wp-content\/uploads\/2023\/11\/EN_Funded_by_the_European_Union_RGB_POS.jpg 500w, https:\/\/makelaalu.fi\/wp-content\/uploads\/2023\/11\/EN_Funded_by_the_European_Union_RGB_POS-300x72.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p data-start=\"2570\" data-end=\"2788\"><em>The foundry heat recovery project is part of a larger investment programme aimed at reducing CO\u2082 emissions from our own production. The project received energy investment support (RRF) from the Ministry of Economic Affairs and Employment of Finland.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"We have implemented new heat pump technology to recover waste heat from the foundry at our Luoma-aho plant. The recovered heat is used to warm up the paintshops. \u2013 The heat recovery and pump system replaces the use of liquefied gas in the pre-treatment processes of both coating lines. The waste heat is collected from the foundry\u2019s cooling water basin. This water is generated when castings are cooled with water, explains Tomi Pilbacka, Development Manager. The foundry produces M\u00e4kel\u00e4 Alu\u2019s own recycled billet by casting recycled aluminium. The idea of capturing heat from the cooling water originated nearly ten years ago. \u2013 Together with the equipment supplier, we explored different possibilities for utilising process waste heat, and this was identified as one of the most promising targets, says Reijo Sepp\u00e4l\u00e4, Project Manager. The system replaces liquefied gas With the new system in place, the thermal energy recovered from the foundry is used to heat the pre-treatment water in both coating lines and the horizontal coating line. Before powder coating, the aluminium profiles are washed \u2013 previously, this process water was heated with liquefied gas. \u2013 Once the new system is fully operational, we\u2019ll be able to eliminate the use of liquefied gas in these heating needs, Pilbacka states. Since cooling water is only generated when casting is in progress, the system includes an electric backup boiler that operates with clean electricity. Container solution allows mobility The equipment was installed in a separate container that was preassembled at the factory. On site, piping and electrical work was carried out by local contractors. \u2013 This solution is cost-efficient and, if needed, movable. Commissioning is still ongoing, but the system will be fully up and running shortly, Sepp\u00e4l\u00e4 says. The equipment supplier was the Finnish company Calefa, specialised in heat pump solutions, and the project was also carried out in cooperation with local piping and electrical companies. The solution will result in a reduction of 290 tonnes of CO\u2082 emissions already this year. The investment is valued at approximately \u20ac360,000 and will bring substantial energy savings by eliminating liquefied gas usage. The foundry heat recovery project is part of a larger investment programme aimed at reducing CO\u2082 emissions from our own production. The project received energy investment support (RRF) from the Ministry of Economic Affairs and Employment of Finland.","protected":false},"author":2,"featured_media":11137,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[286,42,201,202],"tags":[],"class_list":["post-11113","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-investments","category-news","category-responsibility","category-environment"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Foundry\u2019s waste heat used for heating paintshops - M&auml;kel&auml; Alu Oy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/makelaalu.fi\/en\/news\/foundrys-waste-heat-used-for-heating-paintshops\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Foundry\u2019s waste heat used for heating paintshops - M&auml;kel&auml; Alu Oy\" \/>\n<meta property=\"og:description\" content=\"We have implemented new heat pump technology to recover waste heat from the foundry at our Luoma-aho plant. The recovered heat is used to warm up the paintshops. \u2013 The heat recovery and pump system replaces the use of liquefied gas in the pre-treatment processes of both coating lines. The waste heat is collected from the foundry\u2019s cooling water basin. This water is generated when castings are cooled with water, explains Tomi Pilbacka, Development Manager. The foundry produces M\u00e4kel\u00e4 Alu\u2019s own recycled billet by casting recycled aluminium. The idea of capturing heat from the cooling water originated nearly ten years ago. \u2013 Together with the equipment supplier, we explored different possibilities for utilising process waste heat, and this was identified as one of the most promising targets, says Reijo Sepp\u00e4l\u00e4, Project Manager. The system replaces liquefied gas With the new system in place, the thermal energy recovered from the foundry is used to heat the pre-treatment water in both coating lines and the horizontal coating line. Before powder coating, the aluminium profiles are washed \u2013 previously, this process water was heated with liquefied gas. \u2013 Once the new system is fully operational, we\u2019ll be able to eliminate the use of liquefied gas in these heating needs, Pilbacka states. Since cooling water is only generated when casting is in progress, the system includes an electric backup boiler that operates with clean electricity. Container solution allows mobility The equipment was installed in a separate container that was preassembled at the factory. On site, piping and electrical work was carried out by local contractors. \u2013 This solution is cost-efficient and, if needed, movable. Commissioning is still ongoing, but the system will be fully up and running shortly, Sepp\u00e4l\u00e4 says. The equipment supplier was the Finnish company Calefa, specialised in heat pump solutions, and the project was also carried out in cooperation with local piping and electrical companies. The solution will result in a reduction of 290 tonnes of CO\u2082 emissions already this year. The investment is valued at approximately \u20ac360,000 and will bring substantial energy savings by eliminating liquefied gas usage. The foundry heat recovery project is part of a larger investment programme aimed at reducing CO\u2082 emissions from our own production. The project received energy investment support (RRF) from the Ministry of Economic Affairs and Employment of Finland.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/makelaalu.fi\/en\/news\/foundrys-waste-heat-used-for-heating-paintshops\/\" \/>\n<meta property=\"og:site_name\" content=\"M&auml;kel&auml; Alu Oy\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-19T08:31:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-19T08:32:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/makelaalu.fi\/wp-content\/uploads\/2025\/05\/Luoma-ahon-Valimon-lammon-talteenotto.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1600\" \/>\n\t<meta property=\"og:image:height\" content=\"1200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Susanna Korkiatupa\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Susanna Korkiatupa\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/makelaalu.fi\\\/en\\\/news\\\/foundrys-waste-heat-used-for-heating-paintshops\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/makelaalu.fi\\\/en\\\/news\\\/foundrys-waste-heat-used-for-heating-paintshops\\\/\"},\"author\":{\"name\":\"Susanna Korkiatupa\",\"@id\":\"https:\\\/\\\/dev.makelaalu.fi\\\/#\\\/schema\\\/person\\\/9a809b6cc4e323d49d85ca0a349b40af\"},\"headline\":\"Foundry\u2019s waste heat used for heating paintshops\",\"datePublished\":\"2025-05-19T08:31:29+00:00\",\"dateModified\":\"2025-05-19T08:32:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/makelaalu.fi\\\/en\\\/news\\\/foundrys-waste-heat-used-for-heating-paintshops\\\/\"},\"wordCount\":393,\"image\":{\"@id\":\"https:\\\/\\\/makelaalu.fi\\\/en\\\/news\\\/foundrys-waste-heat-used-for-heating-paintshops\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/makelaalu.fi\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/makela-alu-valimo-lammontalteenottoprojekti2024-scaled.jpg\",\"articleSection\":[\"Investments\",\"News\",\"Responsibility\",\"Environment\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/makelaalu.fi\\\/en\\\/news\\\/foundrys-waste-heat-used-for-heating-paintshops\\\/\",\"url\":\"https:\\\/\\\/makelaalu.fi\\\/en\\\/news\\\/foundrys-waste-heat-used-for-heating-paintshops\\\/\",\"name\":\"Foundry\u2019s waste heat used for heating paintshops - M&auml;kel&auml; 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Alu Oy","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/makelaalu.fi\/en\/news\/foundrys-waste-heat-used-for-heating-paintshops\/","og_locale":"en_GB","og_type":"article","og_title":"Foundry\u2019s waste heat used for heating paintshops - M&auml;kel&auml; Alu Oy","og_description":"We have implemented new heat pump technology to recover waste heat from the foundry at our Luoma-aho plant. The recovered heat is used to warm up the paintshops. \u2013 The heat recovery and pump system replaces the use of liquefied gas in the pre-treatment processes of both coating lines. The waste heat is collected from the foundry\u2019s cooling water basin. This water is generated when castings are cooled with water, explains Tomi Pilbacka, Development Manager. The foundry produces M\u00e4kel\u00e4 Alu\u2019s own recycled billet by casting recycled aluminium. The idea of capturing heat from the cooling water originated nearly ten years ago. \u2013 Together with the equipment supplier, we explored different possibilities for utilising process waste heat, and this was identified as one of the most promising targets, says Reijo Sepp\u00e4l\u00e4, Project Manager. The system replaces liquefied gas With the new system in place, the thermal energy recovered from the foundry is used to heat the pre-treatment water in both coating lines and the horizontal coating line. Before powder coating, the aluminium profiles are washed \u2013 previously, this process water was heated with liquefied gas. \u2013 Once the new system is fully operational, we\u2019ll be able to eliminate the use of liquefied gas in these heating needs, Pilbacka states. Since cooling water is only generated when casting is in progress, the system includes an electric backup boiler that operates with clean electricity. Container solution allows mobility The equipment was installed in a separate container that was preassembled at the factory. On site, piping and electrical work was carried out by local contractors. \u2013 This solution is cost-efficient and, if needed, movable. Commissioning is still ongoing, but the system will be fully up and running shortly, Sepp\u00e4l\u00e4 says. The equipment supplier was the Finnish company Calefa, specialised in heat pump solutions, and the project was also carried out in cooperation with local piping and electrical companies. The solution will result in a reduction of 290 tonnes of CO\u2082 emissions already this year. The investment is valued at approximately \u20ac360,000 and will bring substantial energy savings by eliminating liquefied gas usage. The foundry heat recovery project is part of a larger investment programme aimed at reducing CO\u2082 emissions from our own production. 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