{"id":17451,"date":"2023-04-25T10:28:19","date_gmt":"2023-04-25T08:28:19","guid":{"rendered":"https:\/\/mag.ebmpapst.com\/en\/?p=17451"},"modified":"2024-12-16T09:28:40","modified_gmt":"2024-12-16T08:28:40","slug":"cool-energy-savings-thanks-to-retrofit","status":"publish","type":"post","link":"https:\/\/mag.ebmpapst.com\/en\/industries\/refrigeration-ventilation\/cool-energy-savings-thanks-to-retrofit_17451\/","title":{"rendered":"Cool energy savings thanks to retrofit"},"content":{"rendered":"\n<p>For Germany\u2019s elite speed skaters, the Sport\u00adforum in Berlin is an impor\u00adtant training facility, as its speed skating rink is the local Olympic training center, the venue for inter\u00adna\u00adtional compe\u00adti\u00adtions, and a large number of Berlin clubs also train there. Athletes can count on perfect condi\u00adtions \u2013 including immac\u00adu\u00adlately smooth ice. But this can only be achieved if the climate in the arena is also constantly cool and dry. This is no easy task, as activ\u00adi\u00adties in the rink vary greatly: from concen\u00adtrated training by a few Olympians on the 262- and 440-meter lanes and public hustle and bustle on the 1,800-square-meter ice surface to compe\u00adti\u00adtions with 3,500 spec\u00adta\u00adtors in the stands. Temper\u00ada\u00adture fluc\u00adtu\u00ada\u00adtions also go hand in hand with changing capacity utiliza\u00adtion.<\/p>\n\n\n\n<div class=\"wp-block-group alignfull mgznkr-stickygroup\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-cover alignfull is-light mgznkr-sticky-img has-small-font-size\" style=\"min-height:100vh;aspect-ratio:unset;\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><img decoding=\"async\" class=\"wp-block-cover__image-background wp-image-27886\" alt src=\"https:\/\/ebmpapst-7237.kxcdn.com\/de\/files\/2023\/04\/Retrofit-Eishalle-Berlin_ebm-papst_eishalle_1920-1080.jpg\" data-object-fit=\"cover\"><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group alignfull mgznkr-sticky-content\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-columns alignfull are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:45%\">\n<h2 class=\"wp-block-heading has-text-align-left\" id=\"first-text\">The ice rink was built in 1962 and expanded in 1986. <br>It was the first indoor speed skating rink in the world at that time.<\/h2>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns alignfull are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:45%\">\n<h2 class=\"wp-block-heading has-text-align-left\" id=\"first-text\">The total ice surface is 4,400 square meters. <br>The long track is 440 meters long, the short one 262 meters.<\/h2>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\"><\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:71px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Mirror-smooth instead of a drip\u00adstone cave<\/h2>\n\n\n\n<p>This creates conden\u00adsa\u00adtion that can collect on the ceiling and struts and drip onto the ice surface. However, it\u2019s not so good to skate on the begin\u00adnings of a drip\u00adstone cave. \u201cWe need the arena temper\u00ada\u00adture to be eight degrees Celsius so that the differ\u00adence between the ice and the ambient temper\u00ada\u00adture doesn\u2019t lead to conden\u00adsa\u00adtion or mist forma\u00adtion,\u201d explains Sven Kuwatsch, tech\u00adnical manager of the Sport\u00adforum.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"660\" height=\"371\" src=\"https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/04\/230328_MAGAZINIKER_Retrofit-Eishalle-Berlin_0407_960-660x371.jpg\" alt class=\"wp-image-17459\" srcset=\"https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/04\/230328_MAGAZINIKER_Retrofit-Eishalle-Berlin_0407_960-660x371.jpg 660w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/04\/230328_MAGAZINIKER_Retrofit-Eishalle-Berlin_0407_960-260x146.jpg 260w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/04\/230328_MAGAZINIKER_Retrofit-Eishalle-Berlin_0407_960-450x253.jpg 450w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/04\/230328_MAGAZINIKER_Retrofit-Eishalle-Berlin_0407_960-300x169.jpg 300w, https:\/\/ebmpapst-7237.kxcdn.com\/en\/files\/2023\/04\/230328_MAGAZINIKER_Retrofit-Eishalle-Berlin_0407_960.jpg 960w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\"><figcaption class=\"wp-element-caption\">Daniel B\u00fcrgel, Customer Service Advisor at Munters GmbH (left) and Dieter Hilde\u00adbrandt, Sales Manager Retrofit Germany at Breuell und Hilgen\u00adfeldt (right) in the Berlin ice rink. (Photo | Stefan Hobmeier \/ Fotogloria)<\/figcaption><\/figure>\n<\/div>\n\n\n<p>That\u2019s why the venti\u00adlation systems in the belly of the arena are working at full speed. \u201cOne runs contin\u00adu\u00adously, a second is switched on when there is a lot of activity, and the third is the redun\u00addancy in case one of the other two fails,\u201d explains Daniel B\u00fcrgel, Customer Service at Munters GmbH, which manu\u00adfac\u00adtures and main\u00adtains the systems.<\/p>\n\n\n\n<div class=\"wp-block-group alignfull mgznkr-cta-retrofit-banner\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<style>\n.mgznkr-cta-retrofit-banner .alignwide.banner-width {\n  max-width: 100%;\n  width: 1240px;\n  margin: 0 auto;\n--mark-bgcolor: #00a633;\n--mark-color: white;\n}\n@media (max-width: 781px) {\n.mgznkr-cta-retrofit-banner .wp-block-cover .wp-block-cover__image-background {\nobject-position: 17% 50%!important;\n}\n.mgznkr-column-spacer p {display: none; }\n}\n@media (min-width: 782px) {\n.mgznkr-column-spacer p a {\n  min-height: 290px;\n  min-width: 100%;\n  display: block;\n  border-radius: 50px;\nfont-size: 0;\n}\n}\n<\/style>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-cover is-light\" style=\"min-height:350px;aspect-ratio:unset;\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#e0e6e6\"><\/span><img decoding=\"async\" class=\"wp-block-cover__image-background wp-image-36590\" alt src=\"https:\/\/ebmpapst-7237.kxcdn.com\/de\/files\/2024\/12\/2412_Banner-Retrofit-1.jpg\" data-object-fit=\"cover\"><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<div class=\"wp-block-columns alignwide banner-width is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:560px\">\n<h2 class=\"wp-block-heading mgznkr-click has-white-color has-text-color has-link-color wp-elements-98ef17eb21ecd509a55e5e5eacc3f4f6\" id=\"retrofit-banner-head\" style=\"font-size:1.6em;text-transform:uppercase\"><mark><a href=\"https:\/\/www.ebmpapst.com\/de\/en\/industries\/fanupgrade.html#download\" target=\"_blank\" rel=\"noreferrer noopener\">More effi\u00adciency, less costs: Retrofit<\/a><\/mark><\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading no-margin-top\" style=\"font-size:1em\">Retrofit of fans with ebm-papst<\/h3>\n\n\n\n<p>Retro\u00adfitting existing fans in venti\u00adlation and cooling systems with effi\u00adcient EC fans and demand-based oper\u00ada\u00adtion can save up to 60 % energy and costs \u2013 and protect the envi\u00adron\u00adment at the same time.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-font-size is-style-fill mgznkr-click\" id=\"retrofit-banner-button\" style=\"font-size:18px\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.ebmpapst.com\/de\/en\/industries\/fanupgrade.html#download\" style=\"background-color:#0072bb\" target=\"_blank\" rel=\"noreferrer noopener\">Find more infor\u00adma\u00adtion here <i class=\"mgznkr-icon fa fa-chevron-right fas\"><\/i><\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column mgznkr-column-spacer is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:55%\">\n<p class=\"mgznkr-click\" id=\"retrofit-banner-img\"><a href=\"https:\/\/www.ebmpapst.com\/de\/en\/industries\/fanupgrade.html#download\" target=\"_blank\" rel=\"noreferrer noopener\">More effi\u00adciency, less costs: Retro\u00adfitting fans with ebm-papst<\/a><\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:36px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Exchanging and drying air<\/h2>\n\n\n\n<p>Just circu\u00adlating the air from the arena would not be enough to prevent conden\u00adsa\u00adtion, so the systems also dehu\u00admidify. To do this, the air from the arena is drawn over a constantly rotating rotor, on which the mois\u00adture settles.<\/p>\n\n\n\n<p>To enable the rotor to release the absorbed mois\u00adture, a small part of the rotor runs through a regen\u00ader\u00ada\u00adtion unit in which fresh air heated to around 130 degrees Celsius absorbs the mois\u00adture and carries it away to the outside. Because this also heats the process air, it is cooled down again before being blown back into the arena.<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group alignfull image-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns alignfull is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33%\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/ebmpapst-7237.kxcdn.com\/de\/files\/2023\/04\/230328_MAGAZINIKER_Retrofit-Eishalle-Berlin_0247_960.jpg\" alt class=\"wp-image-28033\"><figcaption class=\"wp-element-caption\">The old belt-driven fan. (Photo | Stefan Hobmeier \/ Fotogloria)<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:1em\">\n<h3 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#466190\"><i class=\"mgznkr-icon fa fa-angle-double-right fas\"><\/i><\/h3>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33%\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/ebmpapst-7237.kxcdn.com\/de\/files\/2023\/04\/230328_MAGAZINIKER_Retrofit-Eishalle-Berlin_0191_960.jpg\" alt class=\"wp-image-28032\"><figcaption class=\"wp-element-caption\">Instal\u00adla\u00adtion of the new RadiPac. (Photo | Stefan Hobmeier \/ Fotogloria)<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:1em\">\n<h3 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#466190\"><i class=\"mgznkr-icon fa fa-angle-double-right fas\"><\/i><\/h3>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33%\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/ebmpapst-7237.kxcdn.com\/de\/files\/2023\/04\/230328_MAGAZINIKER_Retrofit-Eishalle-Berlin_0097_960.jpg\" alt class=\"wp-image-28030\"><figcaption class=\"wp-element-caption\">Three RadiPac each replace an old belt-driven fan. (Photo | Stefan Hobmeier \/ Fotogloria)<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<p>Since the systems were installed in 1998, each process air unit has had a large belt-driven centrifugal fan for the supply and exhaust air. The fans were noisy, inef\u00adfi\u00adcient and had already suffered a great deal from 25 years of use in humid air. It was high time to bring the systems up to date. Daniel B\u00fcrgel suggested that Sport\u00adforum Berlin carry out a retrofit.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u201cWith savings of 30 percent calcu\u00adlated in advance, the Sport\u00adforum was also quick to make the deci\u00adsion.\u201d<\/p>\n<cite>Daniel B\u00fcrgel, Customer Service Advisor North in Service \/ After Sales at Munters GmbH<\/cite><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Energy savings thanks to retrofit<\/h2>\n\n\n\n<p>Shortly before, B\u00fcrgel had had a posi\u00adtive expe\u00adri\u00adence with a retrofit in a smaller ice rink in Berlin. He works closely with Hamburg-based venti\u00adlation special\u00adists Breuell und Hilgen\u00adfeldt GmbH, which, as an ebm-papst service center, uses highly effi\u00adcient EC fans. \u201cIt works really well and we can achieve substan\u00adtial energy savings,\u201d says B\u00fcrgel enthu\u00adsi\u00adas\u00adti\u00adcally. \u201cWith savings of 30 percent calcu\u00adlated in advance, the Sport\u00adforum was also quick to make the deci\u00adsion.\u201d<\/p>\n\n\n\n<div class=\"wp-block-group mgznkr-elements mgznkr-box counterbox\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h4 class=\"wp-block-heading has-text-align-center\">Savings calcu\u00adlated before\u00adhand by B&amp;H:<\/h4>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><span class=\"mgznkr-counter m4w-counter  \" data-mode=\"de\" data-delay=\"120\" data-time=\"1500\" data-val=\"30\">0<\/span> % <\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center\">Actual savings achieved <br>after replacing the fans:<\/h4>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><span class=\"mgznkr-counter m4w-counter  \" data-mode=\"de\" data-delay=\"120\" data-time=\"2500\" data-val=\"52\">0<\/span> % <\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n\n<p>The indi\u00advidual fans were each replaced by a FanGrid with three state-of-the-art centrifugal fans from the RadiPac range. Thanks to the EC motor and opti\u00admized blade made of glass-fiber-rein\u00adforced composite mate\u00adrial, they are extremely effi\u00adcient. Thanks to their excel\u00adlent control char\u00adac\u00adter\u00adis\u00adtics, they can be oper\u00adated as required, which saves addi\u00adtional energy. They are also up to 7dB(A) quieter than their prede\u00adces\u00adsors. \u201cBecause three fans operate in one FanGrid, we can also increase reli\u00ada\u00adbility,\u201d explains Dieter Hilde\u00adbrandt, Sales Manager Retrofit Germany at Breuell and Hilgen\u00adfeldt.<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-full\"><img decoding=\"async\" src=\"https:\/\/ebmpapst-7237.kxcdn.com\/de\/files\/2023\/04\/230328_MAGAZINIKER_Retrofit-Eishalle-Berlin_0157_960.jpg\" alt class=\"wp-image-28031\"><figcaption class=\"wp-element-caption\">Three RadiPac become one FanGrid. This increases reli\u00ada\u00adbility and effi\u00adciency. (Photo | Stefan Hobmeier \/ Fotogloria)<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Effec\u00adtive step for greater energy effi\u00adciency<\/h2>\n\n\n\n<p>Hildebrandt\u2019s initial measure\u00adments after replacing the supply and exhaust fans showed total energy savings of 52 percent for the system. However, when the retrofit was performed in the spring, the large outer track had already defrosted, and only the smaller and inner surfaces were still in oper\u00ada\u00adtion. But major devi\u00ada\u00adtions are not expected when the arena returns to full oper\u00ada\u00adtion in October.<\/p>\n\n\n\n<p>Either way, this retrofit is an impor\u00adtant step for the Sport\u00adforum on its path to a smaller energy foot\u00adprint: \u201cWe\u2019re looking every\u00adwhere right now to see where we can save energy. The retrofit in the speed skating arena is one of these measures \u2013 and an effec\u00adtive one at that.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>For Germany\u2019s elite speed skaters, the Sport\u00adforum in Berlin is an impor\u00adtant training facility, as its speed skating rink is the local Olympic training center, the venue for inter\u00adna\u00adtional compe\u00adti\u00adtions, and a large number of Berlin clubs also train there. Athletes can count on perfect condi\u00adtions \u2013 including immac\u00adu\u00adlately smooth ice. But this can only [\u2026]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"wp_typography_post_enhancements_disabled":false,"footnotes":""},"categories":[16,9],"tags":[],"class_list":["post-17451","post","type-post","status-publish","format-standard","hentry","category-fans","category-refrigeration-ventilation"],"acf":[],"_links":{"self":[{"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/posts\/17451","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/comments?post=17451"}],"version-history":[{"count":35,"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/posts\/17451\/revisions"}],"predecessor-version":[{"id":21120,"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/posts\/17451\/revisions\/21120"}],"wp:attachment":[{"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/media?parent=17451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/categories?post=17451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mag.ebmpapst.com\/en\/wp-json\/wp\/v2\/tags?post=17451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}