{"id":891,"date":"2020-04-14T19:16:10","date_gmt":"2020-04-14T17:16:10","guid":{"rendered":"https:\/\/dev.snow-leopard-projects.com\/2020\/04\/14\/bei-50-prozent-stroh-trotzdem-ruehren\/"},"modified":"2026-10-21T14:41:26","modified_gmt":"2026-10-21T12:41:26","slug":"agitating-with-50-percent-straw","status":"publish","type":"post","link":"https:\/\/snow-leopard-projects.com\/en\/agitating-with-50-percent-straw\/","title":{"rendered":"How to keep agitating even with 50% straw"},"content":{"rendered":"<h2><strong>And yet another advantage of using straw<\/strong><\/h2>\n<p>\u201cThere&#8217;s no way I can ever agitate 50% straw,\u201d said a biogas plant operator from the Rottal who has a self-built biogas plant. \u201cNobody I know within 20 km can use maize straw, because they can&#8217;t agitate it. Let alone cereal straw.\u201d<\/p>\n<p>Of course you can&#8217;t simply replace 50% of your maize silage with straw. Nobody says that.<\/p>\n<p>For years I searched for the optimal agitator for our batch hydrolysis. Again and again we made improvements. But I was never really satisfied.<\/p>\n<p>An agitator must<\/p>\n<p>\u2981 easily handle 15% dry matter<br \/>\u2981 also up to 20% dry matter if a floating layer should form<br \/>\u2981 use little electricity<br \/>\u2981 be robust and trouble-free<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/snow-leopard-projects.com\/wp-content\/uploads\/2026\/10\/Ruehrer.jpg\" alt=\"Agitator for biogas plants\"><\/figure>\n<p>Our batch hydrolysis now has the agitator that meets these requirements.<\/p>\n<p>High peak power with a 22 kW electric motor. It agitates everything.<br \/>Low power consumption in normal operation.<\/p>\n<p>A service factor (ratio of electric motor to gearbox) of 2.7. Normal agitators have a service factor of 0.8. It still agitates after a power cut when a floating layer has formed.<\/p>\n<p>Stainless steel double tube and therefore torsion-free.<\/p>\n<p>Oh, what does it cost? Probably a fortune.<\/p>\n<p>What costs you a fortune is having to dredge out your digester. That costs more than the whole agitator.<\/p>\n<p>What does it bring? Peace of mind!<\/p>\n<p>In addition, using straw can reduce the nutrients in your fertiliser balance. You can read more&nbsp;<a href=\"https:\/\/snow-leopard-projects.com\/en\/hello-world-2-2-2\/\">here<\/a>&nbsp;.<\/p>\n<p>If you want to know more, give me a call or sign up for the newsletter.<\/p>\n<p>In this video you can see what we think is the best agitator in the world.<\/p>\n<p><iframe src=\"https:\/\/player.vimeo.com\/video\/455397375\" width=\"640\" height=\"564\" frameborder=\"0\" allow=\"autoplay; fullscreen\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Walter&#8217;s dream agitator for the batch hydrolysis<br \/>\nIt agitates everything, floating layers at 20% \u2013 and even if it should ever stop, it starts up again. Because with a service factor of 2.7, even floating layers with 20% dry matter can be stirred up.<br \/>\nHigh peak power with low power consumption in normal operation<br \/>\nSeamless precision tube guarantees low-vibration operation and little wear.<\/p>\n","protected":false},"author":1,"featured_media":892,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-891","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biogas-practice"],"_links":{"self":[{"href":"https:\/\/snow-leopard-projects.com\/en\/wp-json\/wp\/v2\/posts\/891","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/snow-leopard-projects.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/snow-leopard-projects.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/snow-leopard-projects.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/snow-leopard-projects.com\/en\/wp-json\/wp\/v2\/comments?post=891"}],"version-history":[{"count":3,"href":"https:\/\/snow-leopard-projects.com\/en\/wp-json\/wp\/v2\/posts\/891\/revisions"}],"predecessor-version":[{"id":1030,"href":"https:\/\/snow-leopard-projects.com\/en\/wp-json\/wp\/v2\/posts\/891\/revisions\/1030"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/snow-leopard-projects.com\/en\/wp-json\/wp\/v2\/media\/892"}],"wp:attachment":[{"href":"https:\/\/snow-leopard-projects.com\/en\/wp-json\/wp\/v2\/media?parent=891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/snow-leopard-projects.com\/en\/wp-json\/wp\/v2\/categories?post=891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/snow-leopard-projects.com\/en\/wp-json\/wp\/v2\/tags?post=891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}