Kontrola tvorby peny je hlavnou v\u00fdzvou pri spracovan\u00ed celul\u00f3zy a papiera. Ak sa pena nekontroluje, m\u00f4\u017ee sp\u00f4sobi\u0165 bezpe\u010dnostn\u00e9 a v\u00fdrobn\u00e9 probl\u00e9my, ako napr\u00edklad prete\u010denie kalu, zn\u00ed\u017eenie \u00fa\u010dinnosti \u010derpadiel a zl\u00fa filtr\u00e1ciu vody. Odpe\u0148ova\u010d pom\u00e1ha minimalizova\u0165 tieto probl\u00e9my t\u00fdm, \u017ee odstra\u0148uje prebyto\u010dn\u00fa penu z prania \u010dierneho l\u00fahu, prania buni\u010diny, bielenia na sit\u00e1ch a in\u00fdch procesov.<\/p>\n
Mana\u017ement peny v modern\u00fdch papier\u0148ach a lisovniach je mimoriadne d\u00f4le\u017eit\u00fd, aby sa predi\u0161lo r\u00f4znym kvalitat\u00edvnym, prev\u00e1dzkov\u00fdm a v\u00fdrobn\u00fdm probl\u00e9mom. Pena m\u00f4\u017ee nar\u00fa\u0161a\u0165 \u00fa\u010dinnos\u0165 zariaden\u00ed, sp\u00f4sobova\u0165 straty chemik\u00e1li\u00ed na bielenie buni\u010diny a vies\u0165 k n\u00e1rokom na environment\u00e1lnu zodpovednos\u0165; odpenova\u010de poskytuj\u00fa rie\u0161enie t\u00fdm, \u017ee zastavuj\u00fa tvorbu penov\u00fdch bubl\u00edn po\u010das procesov v\u00fdroby papiera.<\/p>\n
\u010cierny l\u00fah pou\u017e\u00edvan\u00fd pri v\u00fdrobe chemickej buni\u010diny m\u00e1 po\u010das spracovania tendenciu tvori\u0165 penu, \u010do zni\u017euje \u00fa\u010dinnos\u0165 procesu a efektivitu stroja. Preto sa musia pou\u017e\u00edva\u0165 odpe\u0148ova\u010de a protipenov\u00e9 \u010dinidl\u00e1, aby sa zn\u00ed\u017eila tvorba peny a zv\u00fd\u0161ila kvalita v\u00fdroby papiera.<\/p>\n
Kompoz\u00edcie tohto vyn\u00e1lezu sa m\u00f4\u017eu \u013eahko rozpt\u00fdli\u0165 v \u010fal\u0161ej vode jemn\u00fdm mie\u0161an\u00edm koncentrovan\u00e9ho produktu s vhodnou teplotou vody; to poskytuje v\u00fdznamn\u00e9 v\u00fdhody v porovnan\u00ed s niektor\u00fdmi odpe\u0148ova\u010dmi predch\u00e1dzaj\u00facej techniky, ktor\u00e9 vy\u017eaduj\u00fa rozsiahle mie\u0161anie a teplo na rozpustenie v prostred\u00ed s tvrdou vodou. Okrem toho s\u00fa ich kompoz\u00edcie mimoriadne stabiln\u00e9 vo\u010di anorganick\u00fdm soliam, ako s\u00fa plnidl\u00e1 z uhli\u010ditanu v\u00e1penat\u00e9ho, \u010do je v\u00fdhoda obzvl\u00e1\u0161\u0165 v\u00fdznamn\u00e1, preto\u017ee mnoh\u00e9 druhy papiera ich obsahuj\u00fa zna\u010dn\u00e9 mno\u017estvo.<\/p>\n
Kontrola peny v strojoch na v\u00fdrobu papiera a tvarovan\u00fdch vl\u00e1kien je nevyhnutn\u00e1 na predch\u00e1dzanie probl\u00e9mom s kvalitou, prev\u00e1dzkou a v\u00fdrobou. Penenie m\u00f4\u017ee drasticky zn\u00ed\u017ei\u0165 \u00fa\u010dinnos\u0165 stroja, zn\u00ed\u017ei\u0165 v\u00fd\u0165a\u017enos\u0165 buni\u010diny a v\u00fd\u0165a\u017enos\u0165 kone\u010dn\u00e9ho papiera, ako aj zv\u00fd\u0161i\u0165 spotrebu bieliacich chemik\u00e1li\u00ed. Na elimin\u00e1ciu tvorby peny po\u010das v\u00fdroby a z\u00e1rove\u0148 na odstr\u00e1nenie vzduchov\u00fdch bubl\u00edn po\u010das procesu sa musia pou\u017e\u00edva\u0165 protipenov\u00e9 a odpenovacie prostriedky.<\/p>\n
Odpe\u0148ovacie prostriedky pou\u017e\u00edvan\u00e9 v celul\u00f3zkach s\u00fa emulzie olej vo vode zlo\u017een\u00e9 zo silik\u00f3nu a vody. Odpe\u0148ova\u010d zvy\u010dajne pozost\u00e1va z vodnej f\u00e1zy obsahuj\u00facej nei\u00f3nov\u00e9 povrchovo akt\u00edvne l\u00e1tky, ako je metylester s\u00f3jov\u00e9ho alebo ric\u00ednov\u00e9ho oleja alebo etyl\u00e9n(bis)stearamidov\u00fd vosk; okrem toho m\u00f4\u017ee obsahova\u0165 olej, ako je olejov\u00e1 kyselina alebo \u013eanov\u00fd olej, ktor\u00e9ho kyslos\u0165 je stabilizovan\u00e1 lecit\u00ednom alebo fosfolipidom.<\/p>\n
Odpe\u0148ovacie prostriedky s\u00fa \u00fa\u010dinn\u00fdm n\u00e1strojom na \u00fapravu hned\u00e9ho materi\u00e1lu a odpadov\u00fdch v\u00f4d z papiern\u00ed. Odpe\u0148ova\u010de s\u00fa navrhnut\u00e9 tak, aby boli \u00fa\u010dinn\u00e9 aj pri tvrdej vode, ktor\u00e1 \u010dasto predstavuje probl\u00e9m pre odpe\u0148ova\u010de, a s\u00fa k dispoz\u00edcii v r\u00f4znych koncentr\u00e1ci\u00e1ch, ktor\u00e9 sa m\u00f4\u017eu aplikova\u0165 priamo na z\u00e1soby buni\u010diny, ako aj rozpustn\u00e9 v \u010diernom l\u00fahu.<\/p>\n
Rie\u0161enia na odpe\u0148ovanie pre papierensk\u00fd priemysel poskytuj\u00fa n\u00e1kladovo efekt\u00edvne sp\u00f4soby zni\u017eovania tvorby peny a rozb\u00edjania existuj\u00facej peny, ako aj zlep\u0161enia \u00fa\u010dinnosti prania buni\u010diny, riadenia \u010dierneho l\u00fahu a kvality v\u00fdroby papiera. Okrem toho odpe\u0148ova\u010de dobre funguj\u00fa pri n\u00edzkych teplot\u00e1ch, pri\u010dom zost\u00e1vaj\u00fa stabiln\u00e9 aj pri vystaven\u00ed vysoko koncentrovan\u00fdm pr\u00fadom odpadov\u00fdch v\u00f4d; zvy\u010dajne sa skladaj\u00fa z miner\u00e1lnych olejov, polydimetylsilox\u00e1nov alebo alkoholov\u00fdch\/stear\u00e1tov\u00fdch pr\u00edpravkov.<\/p>\n
Predch\u00e1dzaj\u00face odpe\u0148ova\u010de neboli v podmienkach kyslej, najm\u00e4 tvrdej vody, tak stabiln\u00e9, ako by bolo \u017eiaduce. Ak sa ich emulzie rozpadn\u00fa, maj\u00fa tendenciu st\u00fapa\u0165 k hornej \u010dasti n\u00e1doby a potenci\u00e1lne upch\u00e1va\u0165 potrubia ved\u00face z nej k \u010derpadl\u00e1m a potom k papierensk\u00fdm strojom.<\/p>\n
V\u00fdber \u00fa\u010dinn\u00e9ho protipeniv\u00e9ho prostriedku je k\u013e\u00fa\u010dov\u00fd pre efekt\u00edvne procesy spracovania buni\u010diny a papiera vr\u00e1tane regul\u00e1cie tvorby peny. Kvalitn\u00fd prostriedok proti peneniu ochr\u00e1ni pred n\u00e1kladn\u00fdmi probl\u00e9mami, ako je prete\u010denie kalu, zn\u00ed\u017een\u00e1 \u00fa\u010dinnos\u0165 \u010derpadiel, zl\u00e9 usadeniny v papierensk\u00fdch strojoch, probl\u00e9my s odvodnen\u00edm filtrov a probl\u00e9my s filtr\u00e1ciou vody - \u010do v kone\u010dnom d\u00f4sledku vedie k vy\u0161\u0161iemu v\u00fdnosu buni\u010diny a vynikaj\u00facej kvalite v\u00fdrobkov.<\/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\/sk\/wp-json\/wp\/v2\/posts\/101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/defoamingagent.net\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/defoamingagent.net\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/defoamingagent.net\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/defoamingagent.net\/sk\/wp-json\/wp\/v2\/comments?post=101"}],"version-history":[{"count":4,"href":"https:\/\/defoamingagent.net\/sk\/wp-json\/wp\/v2\/posts\/101\/revisions"}],"predecessor-version":[{"id":105,"href":"https:\/\/defoamingagent.net\/sk\/wp-json\/wp\/v2\/posts\/101\/revisions\/105"}],"wp:attachment":[{"href":"https:\/\/defoamingagent.net\/sk\/wp-json\/wp\/v2\/media?parent=101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/defoamingagent.net\/sk\/wp-json\/wp\/v2\/categories?post=101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/defoamingagent.net\/sk\/wp-json\/wp\/v2\/tags?post=101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}