{"id":1505,"date":"2025-06-27T15:25:58","date_gmt":"2025-06-27T07:25:58","guid":{"rendered":"https:\/\/www.tflequip.com\/?p=1505"},"modified":"2025-06-27T15:25:59","modified_gmt":"2025-06-27T07:25:59","slug":"should-the-outlet-valve-be-closed-when-starting-a-centrifugal-pump","status":"publish","type":"post","link":"https:\/\/www.tflequip.com\/lt\/should-the-outlet-valve-be-closed-when-starting-a-centrifugal-pump\/","title":{"rendered":"Ar paleid\u017eiant i\u0161centrin\u012f siurbl\u012f reikia u\u017edaryti i\u0161leidimo vo\u017etuv\u0105?"},"content":{"rendered":"<p>Paleid\u017eiant i\u0161centrin\u012f siurbl\u012f reikia atkreipti d\u0117mes\u012f \u012f daugel\u012f dalyk\u0173. Ar paleid\u017eiant i\u0161centrin\u012f siurbl\u012f reikia u\u017edaryti i\u0161leidimo vo\u017etuv\u0105?<\/p>\n<p>Atsakymas - reikia j\u012f u\u017edaryti!<\/p>\n<p>1: Kod\u0117l paleid\u017eiant i\u0161centrin\u012f siurbl\u012f i\u0161leidimo vo\u017etuvas turi b\u016bti u\u017edarytas?<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-1507\" title=\"20250627145014\" src=\"https:\/\/www.tflequip.com\/wp-content\/uploads\/2025\/06\/20250627145014-300x187.png\" alt=\"20250627145014\" width=\"300\" height=\"187\" srcset=\"https:\/\/www.tflequip.com\/wp-content\/uploads\/2025\/06\/20250627145014-300x187.png 300w, https:\/\/www.tflequip.com\/wp-content\/uploads\/2025\/06\/20250627145014-18x12.png 18w, https:\/\/www.tflequip.com\/wp-content\/uploads\/2025\/06\/20250627145014.png 769w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Paleidus i\u0161centrin\u012f vandens siurbl\u012f, siurblio i\u0161leidimo vamzdyje n\u0117ra vandens, tod\u0117l n\u0117ra vamzd\u017eio pasiprie\u0161inimo ir k\u0117limo auk\u0161\u010dio pasiprie\u0161inimo. Paleidus i\u0161centrin\u012f siurbl\u012f, i\u0161centrinio siurblio galvut\u0117 yra labai ma\u017ea, o srautas labai didelis. Tuo metu siurblio variklio (veleno galia) galia yra labai didel\u0117 (pagal siurblio na\u0161umo kreiv\u0119), tod\u0117l j\u012f lengva perkrauti, o tai sugadins siurblio varikl\u012f ir linij\u0105. Tod\u0117l, kad siurblys veikt\u0173 normaliai, paleid\u017eiant turi b\u016bti u\u017edarytas i\u0161leidimo vo\u017etuvas.<\/p>\n<p>Naudojant a\u0161in\u012f vandens siurbl\u012f, situacija yra prie\u0161inga. Jis turi b\u016bti paleid\u017eiamas esant atidarytam vo\u017etuvui. Tuo metu variklio galia yra ma\u017eiausia. D\u0117l pasiprie\u0161inimo tr\u016bkumo per trump\u0105 laik\u0105 jis veiks dideliu srautu, tod\u0117l da\u017enai atsiranda siurblio vibracija, triuk\u0161mas ir net variklio perkrova, d\u0117l kurios sudega variklis. I\u0161leidimo vo\u017etuvo u\u017edarymas prilygsta dirbtiniam vamzd\u017eio pasiprie\u0161inimo sl\u0117gio nustatymui. Siurbliui prad\u0117jus normaliai veikti, l\u0117tai paleiskite vo\u017etuv\u0105, kad siurblys gal\u0117t\u0173 palaipsniui normaliai dirbti pagal savo na\u0161umo kreiv\u0119.<\/p>\n<p>Prie\u0161 paleid\u017eiant i\u0161centrin\u012f siurbl\u012f, reikia \u012fsitikinti dviem dalykais:<\/p>\n<p>1) U\u017epildykite siurblio korpus\u0105 vandeniu, kad susidaryt\u0173 vakuumas;<\/p>\n<p>2) I\u0161leidimo vamzd\u017eio sklend\u0117 turi b\u016bti u\u017edaryta, kad siurblys nesudaryt\u0173 srauto, kuris gali suma\u017einti variklio paleidimo srov\u0119 ir palengvinti skland\u0173 siurblio paleidim\u0105. Kadangi siurblys paleid\u017eiamas skland\u017eiai, u\u017edaromoji sklend\u0117 turi b\u016bti atidaryta l\u0117tai ir laiku.<\/p>\n<p>I\u0161centrinis siurblys kelia vanden\u012f d\u0117l i\u0161centrin\u0117s darbo rato j\u0117gos sukuriamo vakuumo. Tod\u0117l paleid\u017eiant i\u0161centrin\u012f siurbl\u012f pirmiausia turi b\u016bti u\u017edarytas i\u0161leidimo vo\u017etuvas ir pripildytas vandens. Prie\u0161 paleid\u017eiant i\u0161centrin\u012f siurbl\u012f, vandens lygis turi vir\u0161yti sparnuot\u0117s dal\u012f, o i\u0161centriniame siurblyje esantis oras turi b\u016bti i\u0161leistas. Paleidus, aplink sparnuot\u0119 susidaro vakuumas, kuris siurbia vanden\u012f \u012f vir\u0161\u0173, ir ji gali automati\u0161kai atsidaryti, kad pakelt\u0173 vanden\u012f. Tod\u0117l pirmiausia turi b\u016bti u\u017edarytas i\u0161leidimo vo\u017etuvas.<\/p>\n<p>2. Apie i\u0161centrin\u012f siurbl\u012f<\/p>\n<p>I\u0161centrinis siurblys - tai mentinis siurblys, kurio veikim\u0105 lemia besisukantis sparnuotis. Sukimosi metu d\u0117l ment\u0117s ir skys\u010dio s\u0105veikos ment\u0117s perduoda skys\u010diui mechanin\u0119 energij\u0105, d\u0117l to padid\u0117ja skys\u010dio sl\u0117gis ir pasiekiamas skys\u010dio transportavimo tikslas. I\u0161centrinio siurblio veikimas pasi\u017eymi \u0161iomis savyb\u0117mis:<\/p>\n<p>1\uff09I\u0161centrinio siurblio tam tikru grei\u010diu sukuriama galvut\u0117 turi ribot\u0105 vert\u0119. Darbo ta\u0161ko debitas ir veleno galia priklauso nuo prie siurblio prijungtos prietais\u0173 sistemos s\u0105lyg\u0173 (pad\u0117ties skirtumo, sl\u0117gio skirtumo ir nuostoli\u0173 vamzdyne). Auk\u0161tis kinta priklausomai nuo srauto grei\u010dio.<\/p>\n<p>2) Stabilus veikimas, nepertraukiamas tiekimas, n\u0117ra srauto ir sl\u0117gio pulsacij\u0173.<\/p>\n<p>3) Paprastai siurblys neturi savaiminio siurbimo gebos, tod\u0117l prie\u0161 pradedant dirbti j\u012f reikia pripildyti skys\u010diu arba i\u0161siurbti vamzdyn\u0105.<\/p>\n<p>4) I\u0161centriniai siurbliai paleid\u017eiami u\u017edarius i\u0161leidimo vamzdyno vo\u017etuv\u0105, o s\u016bkuriniai ir a\u0161iniai siurbliai paleid\u017eiami visi\u0161kai atidarius vo\u017etuv\u0105, kad b\u016bt\u0173 suma\u017einta paleidimo galia.<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-1508\" title=\"20250627145030\" src=\"https:\/\/www.tflequip.com\/wp-content\/uploads\/2025\/06\/20250627145030-300x209.png\" alt=\"20250627145030\" width=\"300\" height=\"209\" srcset=\"https:\/\/www.tflequip.com\/wp-content\/uploads\/2025\/06\/20250627145030-300x209.png 300w, https:\/\/www.tflequip.com\/wp-content\/uploads\/2025\/06\/20250627145030-18x12.png 18w, https:\/\/www.tflequip.com\/wp-content\/uploads\/2025\/06\/20250627145030.png 504w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Prie\u0161 paleid\u017eiant siurbl\u012f, siurblio korpusas pripildomas transportuojamo skys\u010dio; paleidus siurbl\u012f, sparnuot\u0117, varoma veleno, sukasi dideliu grei\u010diu, o tarp men\u010di\u0173 esantis skystis taip pat turi suktis kartu su ja. Veikiant i\u0161centrinei j\u0117gai, skystis i\u0161 sparnuot\u0117s centro metamas \u012f i\u0161orin\u012f kra\u0161t\u0105 ir \u012fgauna energijos, dideliu grei\u010diu palieka i\u0161orin\u012f sparnuot\u0117s kra\u0161t\u0105 ir patenka \u012f voliutin\u012f siurblio korpus\u0105.<\/p>\n<p>Vo\u017etuve skystis l\u0117t\u0117ja d\u0117l laipsni\u0161ko srauto kanalo i\u0161sipl\u0117timo, dalis kinetin\u0117s energijos paver\u010diama statine sl\u0117gio energija ir galiausiai didesniu sl\u0117giu patenka \u012f i\u0161leidimo vamzd\u012f bei i\u0161siun\u010diama \u012f reikiam\u0105 viet\u0105. Skys\u010diui tekant i\u0161 sparnuot\u0117s centro \u012f i\u0161orin\u012f kra\u0161t\u0105, sparnuot\u0117s centre susidaro tam tikras vakuumas. Kadangi sl\u0117gis vir\u0161 skys\u010dio pavir\u0161iaus rezervuare yra didesnis u\u017e sl\u0117g\u012f siurblio \u012f\u0117jime, skystis nuolat spaud\u017eiamas \u012f sparnuot\u0119. Galima pasteb\u0117ti, kad tol, kol rotorius sukasi, skystis bus nuolat \u012fsiurbiamas ir i\u0161leid\u017eiamas.<\/p>","protected":false},"excerpt":{"rendered":"<p>When starting a centrifugal pump, you need to pay attention to a lot of things. Should you close the outlet valve when starting a centrifugal pump? The answer is that you need to close it! 1: Why should the outlet valve be closed when starting a centrifugal pump? When the centrifugal water pump is started, [&hellip;]<\/p>","protected":false},"author":4,"featured_media":1509,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[36],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.tflequip.com\/lt\/wp-json\/wp\/v2\/posts\/1505"}],"collection":[{"href":"https:\/\/www.tflequip.com\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tflequip.com\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/lt\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/lt\/wp-json\/wp\/v2\/comments?post=1505"}],"version-history":[{"count":0,"href":"https:\/\/www.tflequip.com\/lt\/wp-json\/wp\/v2\/posts\/1505\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/lt\/wp-json\/wp\/v2\/media\/1509"}],"wp:attachment":[{"href":"https:\/\/www.tflequip.com\/lt\/wp-json\/wp\/v2\/media?parent=1505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tflequip.com\/lt\/wp-json\/wp\/v2\/categories?post=1505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tflequip.com\/lt\/wp-json\/wp\/v2\/tags?post=1505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}