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<\/p>\nOdst\u0159ediv\u00e1 \u010derpadla se \u0161iroce pou\u017e\u00edvaj\u00ed v petrochemii, uheln\u00e9 chemii a dal\u0161\u00edch chemick\u00fdch v\u00fdrob\u00e1ch k p\u0159eprav\u011b kapalin r\u016fzn\u00fdch vlastnost\u00ed a k zaji\u0161t\u011bn\u00ed tlaku a pr\u016ftoku pot\u0159ebn\u00e9ho pro chemick\u00e9 reakce. Existuje mnoho typ\u016f odst\u0159ediv\u00fdch \u010derpadel, kter\u00e1 lze podle r\u016fzn\u00fdch vlastnost\u00ed dopravovan\u00e9ho m\u00e9dia rozd\u011blit na \u010derpadla na kyseliny, \u010derpadla na z\u00e1sady, \u010derpadla na \u010distou vodu, \u010derpadla na bahno atd. Proto\u017ee pracovn\u00ed teplota a pracovn\u00ed tlak dopravovan\u00e9ho m\u00e9dia jsou r\u016fzn\u00e9, lze \u00fa\u010dinn\u011b prodlou\u017eit \u017eivotnost odst\u0159ediv\u00e9ho \u010derpadla, sn\u00ed\u017eit mno\u017estv\u00ed \u00fadr\u017eby a m\u00e1 to velk\u00fd vliv na zlep\u0161en\u00ed ekonomick\u00e9ho p\u0159\u00ednosu z\u00e1vodu.<\/p>\n
<\/p>\n
1. V\u00fdb\u011br a instalace odst\u0159ediv\u00fdch \u010derpadel<\/p>\n
Odst\u0159ediv\u00e1 \u010derpadla by m\u011bla b\u00fdt vybr\u00e1na podle p\u0159epravovan\u00e9 kapaliny a m\u011bl by b\u00fdt zkontrolov\u00e1n po\u017eadovan\u00fd v\u00fdkon a analyzov\u00e1ny podm\u00ednky s\u00e1n\u00ed a v\u00fdtlaku, a\u0165 u\u017e se jedn\u00e1 o p\u0159eru\u0161ovan\u00fd nebo nep\u0159etr\u017eit\u00fd provoz. Odst\u0159ediv\u00e1 \u010derpadla by obvykle m\u011bla pracovat p\u0159i tlakov\u00fdch a pr\u016ftokov\u00fdch podm\u00ednk\u00e1ch stanoven\u00fdch v\u00fdrobcem nebo v jejich bl\u00edzkosti. P\u0159i instalaci \u010derpadla by m\u011bly b\u00fdt provedeny n\u00e1sleduj\u00edc\u00ed revize:<\/p>\n
a. Velikost, poloha a v\u00fd\u0161ka z\u00e1kladu by m\u011bly spl\u0148ovat konstruk\u010dn\u00ed po\u017eadavky. Kotevn\u00ed \u0161rouby mus\u00ed b\u00fdt p\u0159im\u011b\u0159en\u011b a spr\u00e1vn\u011b upevn\u011bny v betonov\u00e9m z\u00e1kladu. Stroj by nem\u011bl m\u00edt chyb\u011bj\u00edc\u00ed \u010d\u00e1sti, po\u0161kozen\u00ed nebo rez.<\/p>\n
b. Podle vlastnost\u00ed m\u00e9dia dopravovan\u00e9ho \u010derpadlem je t\u0159eba v p\u0159\u00edpad\u011b pot\u0159eby zkontrolovat materi\u00e1ly hlavn\u00edch \u010d\u00e1st\u00ed, h\u0159\u00eddelov\u00fdch t\u011bsn\u011bn\u00ed a t\u011bsn\u011bn\u00ed;<\/p>\n
c. Vyrovn\u00e1n\u00ed a se\u0159\u00edzen\u00ed \u010derpadla by m\u011blo b\u00fdt v souladu s ustanoven\u00edmi technick\u00e9 dokumentace za\u0159\u00edzen\u00ed. Pokud \u017e\u00e1dn\u00e9 p\u0159edpisy neexistuj\u00ed, m\u011blo by b\u00fdt v souladu s ustanoven\u00edmi platn\u00e9 oborov\u00e9 normy \"V\u0161eobecn\u00e9 specifikace pro konstrukci a p\u0159ej\u00edmku strojn\u00edho za\u0159\u00edzen\u00ed instala\u010dn\u00ed techniky\";<\/p>\n
d. V\u0161echny trubky a armatury p\u0159ipojen\u00e9 k t\u011blesu \u010derpadla a po\u017eadavky na \u010di\u0161t\u011bn\u00ed potrub\u00ed mazac\u00edho oleje by m\u011bly odpov\u00eddat ustanoven\u00edm p\u0159\u00edslu\u0161n\u00fdch pr\u016fmyslov\u00fdch norem.<\/p>\n
2. Pou\u017eit\u00ed a zku\u0161ebn\u00ed provoz odst\u0159ediv\u00fdch \u010derpadel mus\u00ed spl\u0148ovat tyto po\u017eadavky<\/p>\n
a. Sm\u011br hnac\u00edho stroje mus\u00ed b\u00fdt stejn\u00fd jako sm\u011br \u010derpadla;<\/p>\n
b. Zkontrolujte sm\u011br potrubn\u00edho \u010derpadla a koaxi\u00e1ln\u00edho \u010derpadla;<\/p>\n
c. V\u0161echny pevn\u00e9 spojovac\u00ed \u010d\u00e1sti nesm\u00ed b\u00fdt voln\u00e9 a specifikace a mno\u017estv\u00ed maziv p\u0159id\u00e1van\u00fdch do ka\u017ed\u00e9 mazac\u00ed \u010d\u00e1sti mus\u00ed odpov\u00eddat ustanoven\u00edm technick\u00e9 dokumentace za\u0159\u00edzen\u00ed;<\/p>\n
d. D\u00edly s po\u017eadavky na p\u0159edmaz\u00e1n\u00ed mus\u00ed b\u00fdt p\u0159edmaz\u00e1ny podle po\u017eadavk\u016f;<\/p>\n
e. V\u0161echny indika\u010dn\u00ed p\u0159\u00edstroje a bezpe\u010dnostn\u00ed ochrann\u00e1 za\u0159\u00edzen\u00ed mus\u00ed b\u00fdt citliv\u00e9, p\u0159esn\u00e9 a spolehliv\u00e9;<\/p>\n
f. Ot\u00e1\u010dec\u00ed za\u0159\u00edzen\u00ed mus\u00ed b\u00fdt pru\u017en\u00e9 a bez abnorm\u00e1ln\u00edch jev\u016f;<\/p>\n
g. Vysokoteplotn\u00ed \u010derpadlo mus\u00ed b\u00fdt p\u0159ed zku\u0161ebn\u00edm provozem p\u0159edeh\u0159\u00e1to, teplota mus\u00ed stoupat rovnom\u011brn\u011b a n\u00e1r\u016fst teploty nesm\u00ed p\u0159ekro\u010dit 500 \u2103 za hodinu;<\/p>\n
h. Nastavte p\u0159ipojovac\u00ed za\u0159\u00edzen\u00ed, kter\u00e9 eliminuje vliv zv\u00fd\u0161en\u00ed teploty, a nastavte obtokov\u00e9 p\u0159ipojovac\u00ed za\u0159\u00edzen\u00ed pro zaji\u0161t\u011bn\u00ed zdroje chladic\u00ed vody.<\/p>\n
3. P\u0159i provozu odst\u0159ediv\u00e9ho \u010derpadla je t\u0159eba db\u00e1t na n\u00e1sleduj\u00edc\u00ed body<\/p>\n
a. Je zak\u00e1z\u00e1no pracovat bez vody, neupravovat sac\u00ed otvor pro sn\u00ed\u017een\u00ed v\u00fdtlaku a je zak\u00e1z\u00e1no pracovat p\u0159i p\u0159\u00edli\u0161 n\u00edzk\u00e9m pr\u016ftoku;<\/p>\n
b. Sledujte provozn\u00ed proces, zcela zabra\u0148te \u00faniku n\u00e1pln\u011b a p\u0159i v\u00fdm\u011bn\u011b n\u00e1pln\u011b pou\u017eijte novou n\u00e1pl\u0148;<\/p>\n
c. Zajist\u011bte, aby mechanick\u00e1 ucp\u00e1vka m\u011bla dostate\u010dn\u00fd pr\u016ftok vody pro proplachov\u00e1n\u00ed, a u vodou chlazen\u00fdch lo\u017eisek je zak\u00e1z\u00e1no pou\u017e\u00edvat p\u0159\u00edli\u0161 velk\u00fd pr\u016ftok vody;<\/p>\n
d. Nepou\u017e\u00edvejte p\u0159\u00edli\u0161 mnoho maziva;<\/p>\n
e. Prove\u010fte kontrolu podle doporu\u010den\u00e9ho cyklu. Vypracujte provozn\u00ed z\u00e1znam, v\u010detn\u011b po\u010dtu provozn\u00edch hodin, se\u0159\u00edzen\u00ed a v\u00fdm\u011bny n\u00e1pln\u011b, dopln\u011bn\u00ed maziv a dal\u0161\u00edch opat\u0159en\u00ed a \u010dasu \u00fadr\u017eby. M\u011bly by se pravideln\u011b m\u011b\u0159it a zaznamen\u00e1vat sac\u00ed a v\u00fdtla\u010dn\u00fd tlak, pr\u016ftok, p\u0159\u00edkon, teplota prac\u00ed kapaliny a lo\u017eisek a vibrace odst\u0159ediv\u00e9ho \u010derpadla.<\/p>","protected":false},"excerpt":{"rendered":"
Centrifugal pumps are widely used in petrochemical, coal chemical and other chemical production to transport liquids of different properties and provide the pressure and flow required for chemical reactions. There are many types of centrifugal pumps, which can be divided into acid pumps, alkali pumps, clean water pumps, mud pumps, etc. according to the different […]<\/p>","protected":false},"author":4,"featured_media":1343,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[36],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/posts\/1342"}],"collection":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/comments?post=1342"}],"version-history":[{"count":0,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/posts\/1342\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/media\/1343"}],"wp:attachment":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/media?parent=1342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/categories?post=1342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/tags?post=1342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}