Kontrola p\u011bny je hlavn\u00edm probl\u00e9mem p\u0159i zpracov\u00e1n\u00ed buni\u010diny a pap\u00edru. Pokud se p\u011bna nekontroluje, m\u016f\u017ee zp\u016fsobit bezpe\u010dnostn\u00ed a v\u00fdrobn\u00ed probl\u00e9my, jako je p\u0159ete\u010den\u00ed kalu, sn\u00ed\u017een\u00ed \u00fa\u010dinnosti \u010derpadel a \u0161patn\u00e1 filtrace vody. Odp\u011b\u0148ova\u010d pom\u00e1h\u00e1 tyto probl\u00e9my minimalizovat t\u00edm, \u017ee eliminuje p\u0159ebyte\u010dnou p\u011bnu z pran\u00ed \u010dern\u00e9ho louhu, pran\u00ed buni\u010diny, t\u0159\u00edd\u011bn\u00ed b\u011blen\u00ed a dal\u0161\u00edch proces\u016f.<\/p>\n
\u0158\u00edzen\u00ed p\u011bny v modern\u00edch pap\u00edrn\u00e1ch a v\u00fdrobn\u00e1ch lisovan\u00fdch vl\u00e1ken je \u017eivotn\u011b d\u016fle\u017eit\u00e9, aby se p\u0159ede\u0161lo r\u016fzn\u00fdm probl\u00e9m\u016fm s kvalitou, provozem a v\u00fdrobou. P\u011bna m\u016f\u017ee naru\u0161ovat \u00fa\u010dinnost za\u0159\u00edzen\u00ed, zp\u016fsobovat ztr\u00e1ty chemik\u00e1li\u00ed pro b\u011blen\u00ed buni\u010diny a v\u00e9st k n\u00e1rok\u016fm na ekologickou odpov\u011bdnost; odp\u011b\u0148ova\u010de poskytuj\u00ed \u0159e\u0161en\u00ed t\u00edm, \u017ee zastavuj\u00ed tvorbu p\u011bnov\u00fdch bublin b\u011bhem proces\u016f v\u00fdroby pap\u00edru.<\/p>\n
\u010cern\u00fd louh pou\u017e\u00edvan\u00fd p\u0159i v\u00fdrob\u011b chemick\u00e9 buni\u010diny m\u00e1 tendenci b\u011bhem zpracov\u00e1n\u00ed tvo\u0159it p\u011bnu, co\u017e sni\u017euje \u00fa\u010dinnost procesu a \u00fa\u010dinnost stroje. Proto je t\u0159eba pou\u017e\u00edvat odp\u011b\u0148ova\u010de a protip\u011bnidla, aby se sn\u00ed\u017eila tvorba p\u011bny a zv\u00fd\u0161ila kvalita v\u00fdroby pap\u00edru.<\/p>\n
Slo\u017een\u00ed tohoto vyn\u00e1lezu se snadno rozpt\u00fdl\u00ed v dal\u0161\u00ed vod\u011b jemn\u00fdm m\u00edch\u00e1n\u00edm koncentrovan\u00e9ho produktu s vhodnou teplotou vody; to poskytuje v\u00fdznamn\u00e9 v\u00fdhody oproti n\u011bkter\u00fdm odp\u011b\u0148ova\u010d\u016fm p\u0159edchoz\u00edho stavu techniky, kter\u00e9 vy\u017eaduj\u00ed rozs\u00e1hl\u00e9 m\u00edch\u00e1n\u00ed a teplo, aby se rozpustily v prost\u0159ed\u00ed s tvrdou vodou. Krom\u011b toho jsou jejich slo\u017een\u00ed mimo\u0159\u00e1dn\u011b stabiln\u00ed v\u016f\u010di anorganick\u00fdm sol\u00edm, jako jsou plnidla z uhli\u010ditanu v\u00e1penat\u00e9ho - tato v\u00fdhoda je obzvl\u00e1\u0161t\u011b v\u00fdznamn\u00e1, proto\u017ee mnoho druh\u016f pap\u00edru jich obsahuje zna\u010dn\u00e9 mno\u017estv\u00ed.<\/p>\n
Kontrola p\u011bny u stroj\u016f na v\u00fdrobu pap\u00edru a tvarovan\u00fdch vl\u00e1ken je z\u00e1sadn\u00ed pro zamezen\u00ed probl\u00e9m\u016f s kvalitou, provozem a v\u00fdrobou. P\u011bn\u011bn\u00ed m\u016f\u017ee drasticky sn\u00ed\u017eit \u00fa\u010dinnost stroje, sn\u00ed\u017eit v\u00fdt\u011b\u017enost buni\u010diny a fin\u00e1ln\u00ed v\u00fdt\u011b\u017enost pap\u00edru a tak\u00e9 zv\u00fd\u0161it spot\u0159ebu b\u011blic\u00edch chemik\u00e1li\u00ed. K eliminaci tvorby p\u011bny b\u011bhem v\u00fdroby a z\u00e1rove\u0148 k odstran\u011bn\u00ed vzduchov\u00fdch bublin b\u011bhem procesu je t\u0159eba pou\u017e\u00edvat protip\u011bnidla a odp\u011b\u0148ova\u010de.<\/p>\n
Odp\u011b\u0148ova\u010dem pou\u017e\u00edvan\u00fdm v celul\u00f3zk\u00e1ch jsou emulze olej ve vod\u011b slo\u017een\u00e9 ze silikonu a vody. Odp\u011b\u0148ova\u010d se obvykle skl\u00e1d\u00e1 z vodn\u00e9 f\u00e1ze obsahuj\u00edc\u00ed neiontov\u00e9 povrchov\u011b aktivn\u00ed l\u00e1tky, jako je metylester s\u00f3jov\u00e9ho nebo ricinov\u00e9ho oleje nebo ethylen(bis)stearamidov\u00fd vosk; nav\u00edc m\u016f\u017ee obsahovat olej, jako je olej olejov\u00fd nebo ln\u011bn\u00fd, jeho\u017e kyselost je stabilizov\u00e1na lecitinem nebo fosfolipidem.<\/p>\n
Odp\u011b\u0148ova\u010de jsou \u00fa\u010dinn\u00fdm n\u00e1strojem p\u0159i \u00faprav\u011b hn\u011bd\u00e9 hmoty a odpadn\u00edch vod z pap\u00edren. Odp\u011b\u0148ova\u010de jsou navr\u017eeny tak, aby z\u016fstaly \u00fa\u010dinn\u00e9 i v podm\u00ednk\u00e1ch tvrd\u00e9 vody, kter\u00e1 \u010dasto p\u0159edstavuje pro odp\u011b\u0148ova\u010de v\u00fdzvu, a jsou k dispozici v r\u016fzn\u00fdch koncentrac\u00edch, kter\u00e9 lze aplikovat p\u0159\u00edmo na celul\u00f3zovou hmotu a kter\u00e9 jsou rozpustn\u00e9 v \u010dern\u00e9m louhu.<\/p>\n
\u0158e\u0161en\u00ed pro odp\u011b\u0148ov\u00e1n\u00ed v pap\u00edrensk\u00e9m pr\u016fmyslu poskytuj\u00ed n\u00e1kladov\u011b efektivn\u00ed zp\u016fsoby, jak sn\u00ed\u017eit tvorbu p\u011bny a rozb\u00edt st\u00e1vaj\u00edc\u00ed p\u011bnu, jako\u017e i zlep\u0161it \u00fa\u010dinnost pran\u00ed buni\u010diny, hospoda\u0159en\u00ed s \u010dern\u00fdm louhem a kvalitu v\u00fdroby pap\u00edru. Odp\u011b\u0148ovac\u00ed prost\u0159edky nav\u00edc dob\u0159e funguj\u00ed p\u0159i n\u00edzk\u00fdch teplot\u00e1ch a z\u016fst\u00e1vaj\u00ed stabiln\u00ed i p\u0159i p\u016fsoben\u00ed vysoce koncentrovan\u00fdch proud\u016f odpadn\u00edch vod; obvykle se skl\u00e1daj\u00ed z miner\u00e1ln\u00edch olej\u016f, polydimethylsiloxan\u016f nebo alkoholov\u00fdch\/stear\u00e1tov\u00fdch formulac\u00ed.<\/p>\n
P\u0159edchoz\u00ed odp\u011b\u0148ovac\u00ed prost\u0159edky nebyly v kysel\u00fdch podm\u00ednk\u00e1ch, zejm\u00e9na v podm\u00ednk\u00e1ch tvrd\u00e9 vody, tak stabiln\u00ed, jak by bylo \u017e\u00e1douc\u00ed. Pokud se jejich emulze rozpadnou, maj\u00ed tendenci stoupat k horn\u00ed \u010d\u00e1sti n\u00e1doby a potenci\u00e1ln\u011b ucp\u00e1vat potrub\u00ed vedouc\u00ed z n\u00ed k \u010derpadl\u016fm a n\u00e1sledn\u011b k pap\u00edrensk\u00fdm stroj\u016fm.<\/p>\n
Volba \u00fa\u010dinn\u00e9ho protip\u011bniv\u00e9ho prost\u0159edku je kl\u00ed\u010dov\u00e1 pro efektivn\u00ed procesy zpracov\u00e1n\u00ed buni\u010diny a pap\u00edru, v\u010detn\u011b kontroly p\u011bnivosti. Kvalitn\u00ed prost\u0159edek proti p\u011bn\u011bn\u00ed ochr\u00e1n\u00ed p\u0159ed n\u00e1kladn\u00fdmi probl\u00e9my, jako je p\u0159ete\u010den\u00ed kalu, sn\u00ed\u017een\u00e1 \u00fa\u010dinnost \u010derpadel, \u0161patn\u00e9 usazeniny v pap\u00edrensk\u00e9m stroji, probl\u00e9my s odvodn\u011bn\u00edm filtr\u016f a probl\u00e9my s filtrac\u00ed vody - co\u017e v kone\u010dn\u00e9m d\u016fsledku vede k vy\u0161\u0161\u00ed v\u00fdt\u011b\u017enosti buni\u010diny a vynikaj\u00edc\u00ed kvalit\u011b v\u00fdrobk\u016f.<\/p>","protected":false},"excerpt":{"rendered":"
What is pulp defoaming agent and other defoaming method Foam control is a primary challenge of pulp and paper processing. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-101","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/defoamingagent.net\/cs\/wp-json\/wp\/v2\/posts\/101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/defoamingagent.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/defoamingagent.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/defoamingagent.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/defoamingagent.net\/cs\/wp-json\/wp\/v2\/comments?post=101"}],"version-history":[{"count":4,"href":"https:\/\/defoamingagent.net\/cs\/wp-json\/wp\/v2\/posts\/101\/revisions"}],"predecessor-version":[{"id":105,"href":"https:\/\/defoamingagent.net\/cs\/wp-json\/wp\/v2\/posts\/101\/revisions\/105"}],"wp:attachment":[{"href":"https:\/\/defoamingagent.net\/cs\/wp-json\/wp\/v2\/media?parent=101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/defoamingagent.net\/cs\/wp-json\/wp\/v2\/categories?post=101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/defoamingagent.net\/cs\/wp-json\/wp\/v2\/tags?post=101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}