{"id":1559,"date":"2012-01-10T16:11:10","date_gmt":"2012-01-10T15:11:10","guid":{"rendered":"http:\/\/www.tourdebier.cz\/francek\/?p=1559"},"modified":"2012-01-13T09:13:50","modified_gmt":"2012-01-13T08:13:50","slug":"vypocet-ucinnosti-varny","status":"publish","type":"post","link":"https:\/\/www.tourdebier.cz\/francek\/vypocet-ucinnosti-varny\/","title":{"rendered":"V\u00fdpo\u010det \u00fa\u010dinnosti varny"},"content":{"rendered":"

Pro zji\u0161t\u011bn\u00ed \u00fa\u010dinnosti p\u0159i r\u016fzn\u00fdch v\u00e1rk\u00e1ch\u00a0 se zji\u0161\u0165uje \u00fa\u010dinnost p\u0159i varn\u00e9m procesu pro jeho r\u016fzn\u00e9 f\u00e1ze. Na p\u0159\u00edkladu je uveden v\u00fdpo\u010det \u00fa\u010dinnosti konverze\u00a0na EPM\u00a0od se\u0161rotov\u00e1n\u00ed po ukon\u010den\u00ed chmelovaru.<\/p>\n

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P\u0159\u00edklad:<\/strong><\/p>\n

\u0161rot hmotnost: 4,5 kg slad Plze\u0148<\/p>\n

mladina – studen\u00fd objem po uva\u0159en\u00ed(20\u00b0C): 21 litr\u016f<\/p>\n

koeficient pro p\u0159epo\u010det z\u00a0hork\u00e9 mladiny: 0,96<\/p>\n

hustota: 1,048<\/p>\n

EPM: 12\u00b0 Plato<\/p>\n

hmotnost extraktu = 21 l * 1,048 * 12 \/ 100 = 2.64 kg<\/p>\n

extraktivnost sladu: 78-80% (j\u00e1 vol\u00edm 80%, p\u0159i zapo\u010dten\u00ed vlhkosti sladu\u00a0by bylo 77 %)<\/p>\n

hmotnost extraktu ve sladu = 4,5 kg * 80% \/ 100% = 3.6 kg<\/p>\n

\u00fa\u010dinnost varny = 100% * 2.64 kg \/ 3,6 kg = 73%<\/p>\n

rozd\u00edl varna laborato\u0159: 80 % – (73 % * 80 % \/ 100 %) = 21,6 %<\/p>\n

\u00fa\u010dinnost konverze extraktu ze sladu: 80 % – 21,6% = 58,4 %<\/p>\n

\u00fa\u010dinnost varny jinak \u00a0= 80% – 21,6 % \/ 80% = 58,4 % \/ 80 % = 73 %<\/p>\n

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Kontrola p\u0159es \u00a0syp\u00e1n\u00ed na v\u00e1rku:<\/strong><\/p>\n

syp\u00e1n\u00ed = 21 l * 1,048 * 12 \/ 100 \/ (80 % – 21,6 %)*100 = 4,54<\/strong> kg sladu<\/p>\n

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Pro zji\u0161t\u011bn\u00ed skute\u010dn\u00e9ho rozd\u00edlu varna laborato\u0159 p\u0159i uva\u0159en\u00ed:<\/strong><\/p>\n

mladina – studen\u00fd objem po uva\u0159en\u00ed(20\u00b0C): 22 litr\u016f<\/p>\n

hustota: 1,052<\/p>\n

EPM: 13 Plato<\/p>\n

\u0161rot hmotnost: 4,5 kg slad Plze\u0148<\/p>\n

skute\u010dn\u00e1\u00a0hmotnost extraktu = 22 l * 1,052 * 13 \/ 100 = 3,00 kg<\/p>\n

skute\u010dn\u00e1 \u00fa\u010dinnost varny = 100% * 3.00 kg \/ 3,6 kg = 83,3 %<\/p>\n

skute\u010dn\u00fd rozd\u00edl varna laborato\u0159: 80% – (22 l * l,052 * 13 \/ 4,5) = 17,7%<\/strong><\/p>\n

Z\u00a0v\u00fdsledk\u016f vid\u00edme, \u017ee p\u0159i stejn\u00e9m varn\u00e9m postupu p\u0159\u00ed\u0161t\u00ed v\u00e1rky m\u016f\u017eeme p\u0159i\u00a0\u00a0\u00a0<\/strong>v\u00fdpo\u010dtu syp\u00e1n\u00ed upravit rozd\u00edl varna \u2013 laborato\u0159 z\u00a021,6 % na 17.7 % pro\u00a0<\/strong>dosa\u017een\u00ed p\u016fvodn\u011b po\u017eadovan\u00e9 stup\u0148ovitosti a mno\u017estv\u00ed mladiny po\u00a0<\/strong>chmelovaru.<\/strong><\/p>\n

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Jin\u00fd v\u00fdsledek dostanu, pokud zvol\u00edm hodnotu extraktivnosti sladu se skute\u010dnou vlhkost\u00ed sladu tj. cca 4%, anebo r\u016fzn\u00e9 slady \u010di surog\u00e1ty.<\/p>\n

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Viz tabulka ( v\u00fdrobci WEYERMANN, BRIESS)<\/p>\n\n\n\n\n\n\n\n\n\n\n
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slad typu <\/strong><\/p>\n<\/td>\n

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\u0161rot – jemn\u00e9 mlet\u00ed <\/strong><\/p>\n<\/td>\n

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korigovan\u00e9 na ~ 3-4% vlhkosti <\/strong><\/p>\n<\/td>\n<\/tr>\n

2-\u0159ad\u00fd slad<\/td>\n80%<\/td>\n77%<\/td>\n<\/tr>\n
6-\u0159ad\u00fd slad<\/td>\n78%<\/td>\n75%<\/td>\n<\/tr>\n
\u00a0Plze\u0148, V\u00edde\u0148, Mnichov<\/td>\n80% [WEYERMANN, BEST Malz]<\/td>\n77%<\/td>\n<\/tr>\n
Speci\u00e1ln\u00ed slady<\/td>\n72 – 75 % [BRIESS, WEYERMANN]<\/td>\n69 – 72%<\/td>\n<\/tr>\n
Carafa<\/td>\n65% [WEYERMANN]<\/td>\n62%<\/td>\n<\/tr>\n
je\u010dmen, kuku\u0159ice a p\u0161enice \u00a0 vlo\u010dky<\/td>\n70% [BRIESS]<\/td>\n67%<\/td>\n<\/tr>\n
rice flakes r\u00fd\u017ee, vlo\u010dky<\/td>\n65% [BRIESS]<\/td>\n62%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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Douf\u00e1m, \u017ee jsem ve v\u00fdpo\u010dtech neud\u011blal chybu, pokud ano, tak se kaju….<\/p>\n

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