{"id":1522,"date":"2025-08-15T14:23:19","date_gmt":"2025-08-15T06:23:19","guid":{"rendered":"https:\/\/www.tflequip.com\/?p=1522"},"modified":"2025-08-15T14:23:19","modified_gmt":"2025-08-15T06:23:19","slug":"what-should-i-pay-attention-to-when-connecting-the-acid-alkali-and-corrosion-resistant-pump-to-the-pipeline","status":"publish","type":"post","link":"https:\/\/www.tflequip.com\/sk\/what-should-i-pay-attention-to-when-connecting-the-acid-alkali-and-corrosion-resistant-pump-to-the-pipeline\/","title":{"rendered":"Na \u010do treba d\u00e1va\u0165 pozor pri prip\u00e1jan\u00ed \u010derpadla odoln\u00e9ho vo\u010di kyselin\u00e1m, z\u00e1sad\u00e1m a kor\u00f3zii k potrubiu?"},"content":{"rendered":"<p>\u010cerpadl\u00e1 odoln\u00e9 proti kor\u00f3zii a kyselin\u00e1m a alk\u00e1li\u00e1m sa vo v\u0161eobecnosti delia na odstrediv\u00e9 \u010derpadl\u00e1 odoln\u00e9 proti kor\u00f3zii a kyselin\u00e1m a alk\u00e1li\u00e1m a magnetick\u00e9 \u010derpadl\u00e1 odoln\u00e9 proti kor\u00f3zii a kyselin\u00e1m a alk\u00e1li\u00e1m. Pred pripojen\u00edm na potrubie sa musia zladi\u0165. Ak\u00e9 s\u00fa po\u017eiadavky na in\u0161tal\u00e1ciu a vyrovnanie skupiny \u010derpadiel odoln\u00fdch proti kor\u00f3zii a kyselin\u00e1m a alk\u00e1li\u00e1m? Ke\u010f je v\u0161etko pripraven\u00e9, \u010domu treba venova\u0165 pozornos\u0165 pri prip\u00e1jan\u00ed na potrubie?<\/p>\n<p><strong>1. Technick\u00e9 po\u017eiadavky na in\u0161tal\u00e1ciu a nastavenie \u010derpadlov\u00fdch jednotiek odoln\u00fdch vo\u010di kor\u00f3zii a kyselin\u00e1m a alk\u00e1li\u00e1m<\/strong><\/p>\n<p>(1). In\u0161tal\u00e1cia a kon\u0161trukcia \u010derpacieho zariadenia sa mus\u00ed vykona\u0165 v s\u00falade s po\u017eiadavkami pr\u00edslu\u0161n\u00fdch noriem. Ak s\u00fa v technickej dokument\u00e1cii v\u00fdrobku uveden\u00e9 in\u00e9 po\u017eiadavky, in\u0161tal\u00e1cia a prevzatie sa vykonaj\u00fa v s\u00falade s po\u017eiadavkami technickej dokument\u00e1cie v\u00fdrobku.<\/p>\n<p>(2). Vyrovnanie a vyrovnanie \u010derpacej jednotky mus\u00ed sp\u013a\u0148a\u0165 tieto po\u017eiadavky:<\/p>\n<p>1) Pr\u00edpustn\u00e1 odch\u00fdlka vodorovnosti: 0,05 mm\/m v pozd\u013a\u017enom smere a 0,10 mm\/m v prie\u010dnom smere.<\/p>\n<p>2) Pr\u00edpustn\u00e1 odch\u00fdlka pozd\u013a\u017enej a prie\u010dnej osi je 5 mm;<\/p>\n<p>3) Pr\u00edpustn\u00e1 odch\u00fdlka prev\u00fd\u0161enia je \u00b15 mm. Pri spojeniach s in\u00fdmi zariadeniami je pr\u00edpustn\u00e1 odch\u00fdlka prev\u00fd\u0161enia \u00b12 mm;<\/p>\n<p>(3). Po kvalifikovanom prvotnom vyrovnan\u00ed \u010derpacieho zariadenia by sa otvory pre kotviace skrutky mali injektova\u0165 do 24 hod\u00edn; po\u010das injekt\u00e1\u017ee by vertikalita kotviacich skrutiek nemala presiahnu\u0165 0,15\/1000 m; injekt\u00e1\u017eny materi\u00e1l by mal by\u0165 o jeden stupe\u0148 vy\u0161\u0161\u00ed ako stupe\u0148 bet\u00f3nu z\u00e1kladu \u010derpacieho zariadenia a injekt\u00e1\u017e by sa mala vykon\u00e1va\u0165 nepretr\u017eite.<\/p>\n<p>(4.) Kotviace skrutky sa m\u00f4\u017eu utiahnu\u0165 len vtedy, ke\u010f pevnos\u0165 injekt\u00e1\u017eneho bet\u00f3nu vo vyhradenom otvore pre kotviacu skrutku dosiahne viac ako 75% projektovanej pevnosti.<\/p>\n<p>(5). Referen\u010dn\u00fd bod merania in\u0161tal\u00e1cie by sa mal vybra\u0165 z nasleduj\u00facich miest:<\/p>\n<p>1) V pr\u00edpade integr\u00e1lne in\u0161talovan\u00fdch \u010derpadiel by sa ako referen\u010dn\u00fd povrch mal pou\u017ei\u0165 povrch vstupnej pr\u00edruby alebo in\u00fd horizont\u00e1lny referen\u010dn\u00fd povrch na spracovanie;<\/p>\n<p>2) V pr\u00edpade demontovan\u00fdch \u010derpadiel by sa ako referen\u010dn\u00fd povrch mal pou\u017ei\u0165 povrch na spracovanie telesa \u010derpadla;<\/p>\n<p>3) Pri vertik\u00e1lnych \u010derpadl\u00e1ch by sa ako referencia mala pou\u017ei\u0165 spojka alebo z\u00e1klad\u0148a motora; pri piestov\u00fdch \u010derpadl\u00e1ch by sa ako referencia malo pou\u017ei\u0165 klzn\u00e9 teleso stroja, lo\u017eiskov\u00e9 sedlo, exponovan\u00e1 \u010das\u0165 hriade\u013ea alebo in\u00fd povrch na spracovanie.<\/p>\n<p>(6) \u010cerpadlov\u00e1 skupina by mala by\u0165 vyrovnan\u00e1 a zarovnan\u00e1 podlo\u017ekami v s\u00falade s nasleduj\u00facimi po\u017eiadavkami:<\/p>\n<p>1) Podlo\u017eky by mali by\u0165 bl\u00edzko oboch str\u00e1n kotviacich skrutiek. Ak je osov\u00e1 vzdialenos\u0165 medzi kotevn\u00fdmi skrutkami v\u00e4\u010d\u0161ia ako 1 m, mali by sa medzi kotevn\u00e9 skrutky prida\u0165 podlo\u017eky. Celkov\u00e1 v\u00fd\u0161ka podlo\u017eiek by sa mala spravidla kontrolova\u0165 v rozmedz\u00ed 20 - 40 mm;<\/p>\n<p>2) Pomocou mal\u00e9ho kladivka skontrolujte tesnos\u0165 skupiny podlo\u017eiek. Nemala by by\u0165 \u017eiadna v\u00f4\u013ea;<\/p>\n<p>3) Pomocou 0,05 mm meradla skontrolujte medzeru medzi podlo\u017ekami a medzi podlo\u017ekami a z\u00e1klad\u0148ou. S\u00fa\u010det d\u013a\u017eok podlo\u017eiek z oboch str\u00e1n tej istej medzery by nemal presiahnu\u0165 1\/3 d\u013a\u017eky (\u0161\u00edrky) podlo\u017eky. Po \u00faspe\u0161nom absolvovan\u00ed sk\u00fa\u0161ky vykonajte v\u010das polohov\u00e9 zv\u00e1ranie medzi vrstvami skupiny podlo\u017eiek.<\/p>\n<p>(7). Po vyrovnan\u00ed a zarovnan\u00ed jednotky \u010derpadla utiahnite kotviace skrutky. U\u0165ahovac\u00ed moment a axi\u00e1lne \u0165ahov\u00e9 nap\u00e4tie skrutiek musia sp\u013a\u0148a\u0165 \u0161tandardn\u00e9 alebo \u0161pecifikovan\u00e9 po\u017eiadavky.<\/p>\n<p>(8). Vyrovnanie hriade\u013ea by sa malo vykona\u0165 po utiahnut\u00ed kotevn\u00fdch skrutiek. Hoci pred opusten\u00edm v\u00fdrobn\u00e9ho z\u00e1vodu \u010derpadlo dokon\u010dilo svoju mont\u00e1\u017e a kalibr\u00e1ciu, spojka by sa mala prekalibrova\u0165 kv\u00f4li vplyvu prepravy a in\u0161tal\u00e1cie. Zvy\u010dajne sa na kontrolu koncov\u00e9ho h\u00e1dzania a radi\u00e1lneho h\u00e1dzania spojky pou\u017e\u00edva mikrometer. Odch\u00fdlka centrovania by mala sp\u013a\u0148a\u0165 nasleduj\u00face po\u017eiadavky:<\/p>\n<p>1) Pri mont\u00e1\u017ei pr\u00edrubovej spojky by mali by\u0165 \u010deln\u00e9 plochy dvoch polovi\u010dn\u00fdch spojok v tesnom kontakte, radi\u00e1lny posun stredovej odch\u00fdlky oboch hriade\u013eov by mal by\u0165 men\u0161\u00ed ako 0,03 mm a axi\u00e1lny n\u00e1klon by mal by\u0165 men\u0161\u00ed ako 0,05\/1000 alebo v s\u00falade s po\u017eiadavkami technickej dokument\u00e1cie v\u00fdrobku \u010derpadla;<\/p>\n<p>2) Pri mont\u00e1\u017ei spojky s pru\u017en\u00fdm obj\u00edmkov\u00fdm \u010dapom by stredov\u00e1 odch\u00fdlka oboch hriade\u013eov a koncov\u00e9 l\u00edcne v\u00f4le spojky mali sp\u013a\u0148a\u0165 po\u017eiadavky technickej dokument\u00e1cie v\u00fdrobku \u010derpadla alebo pr\u00edslu\u0161n\u00fdch noriem;<\/p>\n<p>3) Pri mont\u00e1\u017ei vrstvenej pru\u017enej spojky by mala centrovacia odch\u00fdlka sp\u013a\u0148a\u0165 po\u017eiadavky technickej dokument\u00e1cie v\u00fdrobku \u010derpadla alebo pr\u00edslu\u0161n\u00fdch noriem. (9) V pr\u00edpade vysokoteplotn\u00fdch \u010derpadiel alebo \u010derpadlov\u00fdch agreg\u00e1tov s parnou turb\u00ednou ako hlavn\u00fdm pohonom by sa mal zoh\u013eadni\u0165 faktor tepelnej roz\u0165a\u017enosti po\u010das prev\u00e1dzky. Pri in\u0161tal\u00e1cii v studenom stave by sa mala v\u00fd\u0161ka strany vysokoteplotn\u00e9ho prev\u00e1dzkov\u00e9ho zariadenia upravi\u0165 alebo zarovna\u0165 za tepla pod\u013ea po\u017eiadaviek technickej dokument\u00e1cie v\u00fdrobku \u010derpadla. To znamen\u00e1, \u017ee po ur\u010ditom \u010dase prev\u00e1dzky \u010derpadla pri prev\u00e1dzkovej teplote, ak sa zist\u00ed, \u017ee vibr\u00e1cie zariadenia s\u00fa pr\u00edli\u0161 ve\u013ek\u00e9, mo\u017eno po zastaven\u00ed \u010derpadla preru\u0161i\u0165 nap\u00e1janie a uvo\u013eni\u0165 spojovacie skrutky, aby sa znovu vyrovnali. V pr\u00edpade n\u00edzkoteplotn\u00fdch \u010derpadiel alebo in\u00fdch \u010derpadiel s ve\u013ek\u00fdm rozdielom medzi prev\u00e1dzkovou teplotou a teplotou in\u0161tal\u00e1cie, ak sa vibr\u00e1cie jednotky po ur\u010ditom \u010dase chodu zv\u00e4\u010d\u0161ia, mala by sa vhodne upravi\u0165 aj hodnota nastavenia.<\/p>\n<p>(10) Ak s\u00fa pohon a \u010derpadlo poh\u00e1\u0148an\u00e9 reme\u0148mi, rovnobe\u017enos\u0165 oboch hriade\u013eov a posun oboch kolies by mali by\u0165 v s\u00falade s ustanoveniami technickej dokument\u00e1cie v\u00fdrobku \u010derpadla alebo pr\u00edslu\u0161n\u00fdch noriem. In\u0161tal\u00e1cia jednotky \u010derpadla s pru\u017en\u00fdmi podperami by mala by\u0165 v s\u00falade s ustanoveniami technickej dokument\u00e1cie v\u00fdrobku \u010derpadla.<\/p>\n<p><strong>2. Spojenie medzi \u010derpadlovou jednotkou a potrub\u00edm<\/strong><\/p>\n<p>(1). Pred in\u0161tal\u00e1ciou potrubia je potrebn\u00e9 po \u010dastiach odstr\u00e1ni\u0165 piesok, \u017eelezn\u00e9 piliny, trosku a in\u00e9 ne\u010distoty vo vn\u00fatri potrubia. Potrubia s osobitn\u00fdmi po\u017eiadavkami v projektovej dokument\u00e1cii by sa mali spracova\u0165 pod\u013ea po\u017eiadaviek projektovej dokument\u00e1cie.<\/p>\n<p>(2). Po dokon\u010den\u00ed in\u0161tal\u00e1cie potrubia a podpery a z\u00e1vesu pripojen\u00e9ho k jednotke \u010derpadla by sa mali odstr\u00e1ni\u0165 pr\u00edrubov\u00e9 skrutky na potrub\u00ed. V\u0161etky skrutky by mali by\u0165 schopn\u00e9 hladko prech\u00e1dza\u0165 otvormi pre skrutky vo vo\u013enom stave; rovnobe\u017enos\u0165 a s\u00faosovos\u0165 medzi tesniacimi plochami pr\u00edruby sa smie odch\u00fdli\u0165 pod\u013ea projektovej dokument\u00e1cie alebo technickej dokument\u00e1cie v\u00fdrobku; vzdialenos\u0165 medzi zodpovedaj\u00facimi plochami pr\u00edruby vo vo\u013enom stave by mala by\u0165 dostato\u010dne mal\u00e1, aby sa umo\u017enilo hladk\u00e9 vlo\u017eenie tesnenia.<\/p>\n<p>(3). Otvor na potrub\u00ed by sa mal dokon\u010di\u0165 pred in\u0161tal\u00e1ciou potrubia. Pri otv\u00e1ran\u00ed otvoru na in\u0161talovanom potrub\u00ed by sa mali vy\u010disti\u0165 cudzie l\u00e1tky vzniknut\u00e9 rezan\u00edm v potrub\u00ed, aby sa zabr\u00e1nilo ich vniknutiu do \u010derpadla.<\/p>\n<p>(4). Potrubie pripojen\u00e9 k jednotke \u010derpadla by sa malo in\u0161talova\u0165 zo strany jednotky \u010derpadla a najprv by sa mala nain\u0161talova\u0165 podpera potrubia. Hmotnos\u0165 a dodato\u010dn\u00fd kr\u00fatiaci moment potrubia a ventilov by nemali p\u00f4sobi\u0165 na jednotku \u010derpadla. Ak je prepravovan\u00fdm m\u00e9diom m\u00e9dium s ve\u013ek\u00fdm teplotn\u00fdm rozdielom oproti teplote okolia, potrubie by malo by\u0165 vybaven\u00e9 kompenz\u00e1torom. (5) Po pripojen\u00ed potrubia k \u010derpacej jednotke by sa mala op\u00e4tovne skontrolova\u0165 presnos\u0165 p\u00f4vodn\u00e9ho nastavenia \u010derpadla. Ak sa zist\u00ed odch\u00fdlka sp\u00f4soben\u00e1 pripojen\u00edm potrubia, potrubie a jeho dr\u017eiak by sa mali upravi\u0165.<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-1523\" title=\"4\" src=\"https:\/\/www.tflequip.com\/wp-content\/uploads\/2025\/08\/4-e1755236393920-300x280.jpg\" alt=\"4\" width=\"300\" height=\"280\" srcset=\"https:\/\/www.tflequip.com\/wp-content\/uploads\/2025\/08\/4-e1755236393920-300x280.jpg 300w, https:\/\/www.tflequip.com\/wp-content\/uploads\/2025\/08\/4-e1755236393920-768x716.jpg 768w, https:\/\/www.tflequip.com\/wp-content\/uploads\/2025\/08\/4-e1755236393920-13x12.jpg 13w, https:\/\/www.tflequip.com\/wp-content\/uploads\/2025\/08\/4-e1755236393920.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Anti-corrosion and acid-alkali resistant pumps are generally divided into anti-corrosion and acid-alkali resistant centrifugal pumps and anti-corrosion and acid-alkali resistant magnetic pumps. They need to be aligned before connecting the pipeline. What are the requirements for the installation and alignment of the anti-corrosion and acid-alkali resistant pump group? After everything is ready, what should be [&hellip;]<\/p>","protected":false},"author":4,"featured_media":1523,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[36],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/posts\/1522"}],"collection":[{"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/comments?post=1522"}],"version-history":[{"count":0,"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/posts\/1522\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/media\/1523"}],"wp:attachment":[{"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/media?parent=1522"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/categories?post=1522"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tflequip.com\/sk\/wp-json\/wp\/v2\/tags?post=1522"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}