{"id":1431,"date":"2025-02-28T16:01:37","date_gmt":"2025-02-28T08:01:37","guid":{"rendered":"https:\/\/www.tflequip.com\/?p=1431"},"modified":"2025-02-28T16:01:37","modified_gmt":"2025-02-28T08:01:37","slug":"maintenance-method-of-stainless-steel-centrifugal-pump-impeller","status":"publish","type":"post","link":"https:\/\/www.tflequip.com\/cs\/maintenance-method-of-stainless-steel-centrifugal-pump-impeller\/","title":{"rendered":"Zp\u016fsob \u00fadr\u017eby ob\u011b\u017en\u00e9ho kola odst\u0159ediv\u00e9ho \u010derpadla z nerezov\u00e9 oceli"},"content":{"rendered":"<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">Zp\u016fsob \u00fadr\u017eby ob\u011b\u017en\u00e9ho kola odst\u0159ediv\u00e9ho \u010derpadla z nerezov\u00e9 oceli je n\u00e1sleduj\u00edc\u00ed:<\/div>\n<div><\/div>\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">Ob\u011b\u017en\u00e9 kolo odst\u0159ediv\u00e9ho \u010derpadla z nerezov\u00e9 oceli se m\u016f\u017ee do ur\u010dit\u00e9 m\u00edry po\u0161kodit. Pokud dojde k po\u0161kozen\u00ed ob\u011b\u017en\u00e9ho kola v n\u011bkter\u00e9m z n\u00e1sleduj\u00edc\u00edch p\u0159\u00edpad\u016f, je t\u0159eba ob\u011b\u017en\u00e9 kolo vym\u011bnit:<\/div>\n<ol class=\"auto-hide-last-sibling-br\">\n<li>Na povrchu ob\u011b\u017en\u00e9ho kola jsou praskliny.<\/li>\n<li>Na povrchu ob\u011b\u017en\u00e9ho kola vznik\u00e1 mnoho otvor\u016f v d\u016fsledku koroze, eroze nebo kavitace.<\/li>\n<li>V d\u016fsledku proplachovac\u00edho \u00fa\u010dinku se vn\u011bj\u0161\u00ed kryt i lopatky ob\u011b\u017en\u00e9ho kola postupn\u011b zten\u010duj\u00ed, co\u017e n\u00e1sledn\u011b ovliv\u0148uje mechanickou pevnost ob\u011b\u017en\u00e9ho kola.<\/li>\n<li>\u00dast\u00ed ob\u011b\u017en\u00e9ho kola a n\u00e1boj jsou zna\u010dn\u011b excentricky opot\u0159ebovan\u00e9 a nevyplat\u00ed se je opravovat.<\/li>\n<\/ol>\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">Pokud ob\u011b\u017en\u00e9 kolo nen\u00ed v\u00e1\u017en\u011b zkorodovan\u00e9 nebo m\u00e1 jen m\u00e1lo otvor\u016f po p\u00edsku, lze jej opravit opravn\u00fdm sva\u0159ov\u00e1n\u00edm. Metoda opravn\u00e9ho sva\u0159ov\u00e1n\u00ed spo\u010d\u00edv\u00e1 v tom, \u017ee se sva\u0159ovan\u00e1 \u010d\u00e1st p\u0159ed sva\u0159ov\u00e1n\u00edm o\u010dist\u00ed, aby se odstranil olej, rez, oxidov\u00e9 usazeniny atd. Lze jej p\u0159edeh\u0159\u00e1t bu\u010f lok\u00e1ln\u011b, nebo jako celek na teplotu v rozmez\u00ed 250 \u00b0C a\u017e 450 \u00b0C. Sva\u0159ovac\u00ed pr\u00e1\u0161ek se obvykle pou\u017e\u00edv\u00e1 pr\u00e1\u0161ek 301, sva\u0159ovac\u00ed dr\u00e1t se obvykle pou\u017e\u00edv\u00e1 sva\u0159ovac\u00ed dr\u00e1t 224 k\u0159em\u00edkov\u00fd mosazn\u00fd sva\u0159ovac\u00ed dr\u00e1t, plynov\u00fd sva\u0159ovac\u00ed plamen pou\u017e\u00edv\u00e1 lehk\u00fd oxida\u010dn\u00ed plamen nebo neutr\u00e1ln\u00ed plamen a b\u011bhem sva\u0159ov\u00e1n\u00ed se obvykle pou\u017e\u00edv\u00e1 metoda krimpov\u00e1n\u00ed, aby se sn\u00ed\u017eilo mno\u017estv\u00ed svarov\u00e9ho kovu.<\/div>\n<div><\/div>\n<div>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-1432\" title=\".jpg\" src=\"https:\/\/www.tflequip.com\/wp-content\/uploads\/2025\/02\/-e1740729311776-300x287.jpg\" alt=\".jpg\" width=\"300\" height=\"287\" \/><\/p>\n<\/div>\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">Aby se zabr\u00e1nilo p\u0159eh\u0159\u00e1t\u00ed a zlep\u0161ila se kvalita svarov\u00fdch spoj\u016f, sna\u017ete se b\u011bhem pr\u00e1ce zabr\u00e1nit p\u0159\u00edm\u00e9mu kontaktu vysokoteplotn\u00edho j\u00e1dra plamene s roztaven\u00fdm kovem v baz\u00e9nu, aby se ve svarov\u00e9m kovu nevytvo\u0159ily p\u00f3ry. Po sva\u0159ov\u00e1n\u00ed sva\u0159ovan\u00e9 ob\u011b\u017en\u00e9 kolo izolujte a nechte jej pomalu vychladnout, aby se uvolnilo nap\u011bt\u00ed a zlep\u0161ila jeho v\u00fdkonnost. Po vychladnut\u00ed jej lze opracovat.<\/div>\n<div><\/div>\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">Nejsou-li dr\u00e1\u017eky nebo excentrick\u00e9 opot\u0159eben\u00ed zp\u016fsoben\u00e9 opot\u0159eben\u00edm t\u011bsnic\u00edho krou\u017eku a n\u00e1boje kola z\u00e1va\u017en\u00e9, lze je vyle\u0161tit smirkov\u00fdm pap\u00edrem, a pokud to tlou\u0161\u0165ka umo\u017e\u0148uje, lze je vyle\u0161tit i autem. Nebo pou\u017eijte n\u00e1st\u0159ik kovu k obnoven\u00ed p\u016fvodn\u00ed velikosti. Pokud nejsou na t\u011bsnic\u00edm konci dvoukrou\u017ekov\u00e9ho vnit\u0159n\u00edho t\u011bsnic\u00edho krou\u017eku \u017e\u00e1dn\u00e9 z\u00e1va\u017en\u00e9 r\u00fdhy nebo excentrick\u00e9 opot\u0159eben\u00ed, lze je tak\u00e9 vyle\u0161tit smirkov\u00fdm pap\u00edrem, a pokud to tlou\u0161\u0165ka dovol\u00ed, lze je tak\u00e9 vyle\u0161tit autem. Pokud je opot\u0159eben\u00ed nebo excentrick\u00e9 opot\u0159eben\u00ed v\u00e1\u017en\u00e9, vym\u011b\u0148te vnit\u0159n\u00ed krou\u017eek za nov\u00fd.<\/div>\n<div><\/div>\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">Nov\u00e1 nebo opraven\u00e1 ob\u011b\u017en\u00e1 kola by m\u011bla b\u00fdt podrobena statick\u00e9mu vyva\u017eov\u00e1n\u00ed. Ob\u011b\u017en\u00e9 kolo se vyv\u00e1\u017e\u00ed se\u0161kr\u00e1bnut\u00edm povrchu ob\u011b\u017en\u00e9ho kola, aby se upravilo rozlo\u017een\u00ed hmotnosti. Po zkou\u0161ce se ob\u011b\u017en\u00e9 kolo um\u00edst\u00ed na fr\u00e9zku, aby se odstranily t\u011b\u017ek\u00e9 t\u0159\u00edsky, nap\u0159\u00edklad up\u00ednac\u00ed p\u0159edm\u011bty, kter\u00e9 byly pou\u017eity p\u0159i fr\u00e9zov\u00e1n\u00ed t\u011b\u017e\u0161\u00ed strany a zkou\u0161ce vyv\u00e1\u017een\u00ed leh\u010d\u00ed strany. Tlou\u0161\u0165ka krytu ob\u011b\u017en\u00e9ho kola po fr\u00e9zov\u00e1n\u00ed v\u0161ak nesm\u00ed p\u0159es\u00e1hnout 1\/3 tlou\u0161\u0165ky krytu ob\u011b\u017en\u00e9ho kola. Je povoleno roz\u0159ezat kryt ob\u011b\u017en\u00e9ho kola na dv\u011b \u010d\u00e1sti, p\u0159edn\u00ed kryt a zadn\u00ed kryt. \u0158ezn\u00e9 stopy na \u0159ezn\u00e9 \u010d\u00e1sti mus\u00ed plynule p\u0159ech\u00e1zet v kotou\u010d krytu.<\/div>\n<div><\/div>\n<div>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-1433\" title=\".jpg\" src=\"https:\/\/www.tflequip.com\/wp-content\/uploads\/2025\/02\/-e1740729507350-300x291.jpg\" alt=\".jpg\" width=\"300\" height=\"291\" \/><\/p>\n<\/div>\n<div><\/div>\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">V\u00fd\u0161e uveden\u00e9 je \u00favodem k metod\u00e1m \u00fadr\u017eby ob\u011b\u017en\u00fdch kol odst\u0159ediv\u00fdch \u010derpadel z nerezov\u00e9 oceli. D\u011bkujeme v\u00e1m za p\u0159e\u010dten\u00ed.<\/div>","protected":false},"excerpt":{"rendered":"<p>The maintenance method of stainless steel centrifugal pump impeller is as follows: The impeller of the stainless steel centrifugal pump may suffer certain degrees of damage. If any of the following conditions occur to the impeller, the impeller should be replaced: There are cracks on the impeller surface. Many holes are formed on the impeller [&hellip;]<\/p>","protected":false},"author":4,"featured_media":1433,"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\/1431"}],"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=1431"}],"version-history":[{"count":0,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/posts\/1431\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/media\/1433"}],"wp:attachment":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/media?parent=1431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/categories?post=1431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/tags?post=1431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}