{"id":440,"date":"2024-01-16T10:01:05","date_gmt":"2024-01-16T02:01:05","guid":{"rendered":"https:\/\/www.tflequip.com\/products\/occupancy-product-4-copy-copy-copy\/"},"modified":"2025-03-26T14:10:55","modified_gmt":"2025-03-26T06:10:55","slug":"fsb-d-fluorine-alloy-centrifugal-pump","status":"publish","type":"products","link":"https:\/\/www.tflequip.com\/cs\/products\/fsb-d-fluorine-alloy-centrifugal-pump\/","title":{"rendered":"Odst\u0159ediv\u00e9 \u010derpadlo ze slitiny fluoru FSB-D"},"content":{"rendered":"
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<\/span>\u00davod<\/strong><\/h5>\n<\/div>\n<\/div>\n

Odst\u0159ediv\u00e9 \u010derpadlo ze slitiny fluoru FSB-D je chemick\u00e9 \u010derpadlo s kr\u00e1tkou podp\u011brou odoln\u00e9 proti korozi, \u0161iroce oce\u0148ovan\u00e9 v pesticidn\u00edm a farmaceutick\u00e9m pr\u016fmyslu!<\/span><\/p>\n

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  • \n

    Pr\u016ftok: Pr\u016ftok: 3,6 ~ 100 m\u00b3\/h<\/p>\n<\/li>\n

  • \n

    V\u00fdtah: 15 ~ 30 m<\/p>\n<\/li>\n

  • \n

    V\u00fdkon: 3 ~ 15 kW<\/p>\n<\/li>\n

  • \n

    Hmotnost stroje: 48 ~ 250 kg\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Teflon Equipment Co., Ltd. poskytuje profesion\u00e1ln\u00ed a technick\u00fd person\u00e1l, kter\u00fd pom\u00e1h\u00e1 z\u00e1kazn\u00edk\u016fm s rychl\u00fdm v\u00fdb\u011brem, hotline +86 (0086) 18795855808, E-mail: Teflon-pump@aliyun.com.<\/span><\/p>\n<\/li>\n<\/ul>\n

     <\/p>\n

    \"Odst\u0159ediv\u00e9<\/p>\n

    <\/h2>\n
    \n
    \n
    <\/span>V\u00fdhoda<\/strong><\/h5>\n<\/div>\n<\/div>\n

    1.<\/span><\/span> Plynul\u00fd a rovnom\u011brn\u00fd tok, hladk\u00e1 pr\u00e1ce.<\/span><\/span> Pr\u016ftok lze snadno nastavit.<\/span><\/span> Pou\u017eiteln\u00fd rozsah pr\u016ftoku je velk\u00fd, b\u011b\u017en\u011b se pou\u017e\u00edv\u00e1 rozsah 5-20000 m \u00b3\/h. <\/span><\/span><\/p>\n

    2.<\/span><\/span> Vysok\u00e1 rychlost ot\u00e1\u010den\u00ed.<\/span><\/span> M\u016f\u017ee b\u00fdt p\u0159\u00edmo p\u0159ipojen k motoru nebo parn\u00ed turb\u00edn\u011b.<\/span><\/span> Konstrukce je jednoduch\u00e1 a kompaktn\u00ed, rozm\u011bry a hmotnost jsou mnohem men\u0161\u00ed ne\u017e u p\u00edstov\u00e9ho \u010derpadla se stejn\u00fdm pr\u016ftokem a n\u00e1klady jsou n\u00edzk\u00e9. <\/span><\/span><\/p>\n

    3.<\/span><\/span> Nen\u00ed citliv\u00fd na ne\u010distoty, m\u00e1 m\u00e9n\u011b opot\u0159ebiteln\u00fdch d\u00edl\u016f, pohodlnou spr\u00e1vu a \u00fadr\u017ebu.<\/span><\/span> Jak na pevnin\u011b, tak na palub\u011b p\u0159evy\u0161uje po\u010det a rozsah pou\u017eit\u00ed odst\u0159ediv\u00fdch \u010derpadel ostatn\u00ed typy \u010derpadel.<\/span><\/span><\/p>\n

     <\/p>\n

    \n
    \n
    <\/span>Pzav\u00e1d\u011bj\u00ed se parametry ump<\/span><\/strong><\/h5>\n<\/div>\n<\/div>\n
    \n

    Parametry \u010derpadla zahrnuj\u00ed pr\u016ftok, v\u00fdtlak, ot\u00e1\u010dky, v\u00fdkon (\u00fa\u010dinnost) a kavita\u010dn\u00ed rezervu. <\/span><\/span><\/p>\n

    1. Doprava <\/span><\/span><\/p>\n

    Objemov\u00fd pr\u016ftok \u010derpadla se d\u011bl\u00ed na objemov\u00fd a hmotnostn\u00ed pr\u016ftok, objemov\u00fd pr\u016ftok je objem kapaliny p\u0159e\u010derpan\u00e9 \u010derpadlem za jednotku \u010dasu, co\u017e je objem kapaliny vytla\u010den\u00e9 z tlakov\u00e9 v\u00fdstupn\u00ed \u010d\u00e1sti \u010derpadla, objemov\u00fd pr\u016ftok se vyjad\u0159uje Q a jeho jednotkou jsou metry krychlov\u00e9 za sekundu (m3\/s), litry za sekundu nebo metry krychlov\u00e9 za hodinu (m3\/h).<\/span><\/span> Hmotnostn\u00ed pr\u016ftok je hmotnost kapaliny p\u0159e\u010derpan\u00e9 \u010derpadlem za jednotku \u010dasu, hmotnostn\u00ed pr\u016ftok q, kter\u00fd se vyjad\u0159uje v kilogramech za sekundu (kg\/s) nebo v tun\u00e1ch za hodinu (t\/h).<\/span><\/span> Ve stroj\u00edrenstv\u00ed je zvykem pou\u017e\u00edvat jednotky t\/h. <\/span><\/span><\/p>\n

    Obecn\u011b plat\u00ed, \u017ee pr\u016ftok \u010derpadlem se vztahuje k objemov\u00e9mu pr\u016ftoku a hmotnostn\u00ed pr\u016ftok se pou\u017e\u00edv\u00e1 pouze ve v\u00fdjime\u010dn\u00fdch p\u0159\u00edpadech. <\/span><\/span><\/p>\n

    Vztah mezi objemov\u00fdm pr\u016ftokem Q \u010derpadla a hmotnostn\u00edm pr\u016ftokem q je: <\/span><\/span><\/p>\n

    Q=q\/p (kde \u03c1 je hustota kapaliny) <\/span><\/span><\/p>\n

    2. V\u00fdtah <\/span><\/span><\/p>\n

    Zdvih \u010derpadla se vztahuje k jednotkov\u00e9 t\u00edze kapaliny proch\u00e1zej\u00edc\u00ed \u010derpadlem po jej\u00edm energetick\u00e9m zhodnocen\u00ed, a to jak v\u00fdstupn\u00ed tlak \u010derpadla jednotkov\u00e1 t\u00edha kapaliny mechanick\u00e1 energie minus vstupn\u00ed s\u00e1n\u00ed \u010derpadla jednotkov\u00e1 t\u00edha kapaliny mechanick\u00e1 energie, jednotkou je p\u0159\u00edr\u016fstek joulu na newton kapaliny J\/N, a jednotkou energie joulu je newtonmetr (J=N-m), tak\u017ee jednotkou zdvihu je m <\/span><\/span><\/p>\n

    3. Rychlost <\/span><\/span><\/p>\n

    Ot\u00e1\u010dky \u010derpadla se vztahuj\u00ed k po\u010dtu ot\u00e1\u010dek rotoru \u010derpadla za jednotku \u010dasu, p\u0159i\u010dem\u017e ot\u00e1\u010dky \u010derpadla se vyjad\u0159uj\u00ed pomoc\u00ed n a jejich jednotkou je ot\u00e1\u010dka za minutu (r\/min) nebo ot\u00e1\u010dka za sekundu (r\/s).<\/span><\/span> Rychlost lze tak\u00e9 vyj\u00e1d\u0159it \u00fahlovou rychlost\u00ed rotoru \u03c9, jej\u00ed\u017e jednotkou je sekunda (1\/s), a vztah mezi rychlost\u00ed a \u00fahlovou rychlost\u00ed je: <\/span><\/span><\/p>\n

    Omega = 2 PI n \/ 604. <\/span><\/span><\/p>\n

    4. Nap\u00e1jen\u00ed <\/span><\/span><\/p>\n

    V\u00fdkonem \u010derpadla se rozum\u00ed p\u0159\u00edkon \u010derpadla, tj. v\u00fdkon p\u0159en\u00e1\u0161en\u00fd na h\u0159\u00eddel \u010derpadla prim\u00e1rn\u00edm motorem, zn\u00e1m\u00fd tak\u00e9 jako h\u0159\u00eddelov\u00fd v\u00fdkon.<\/span><\/span> N\u011bkdy se naz\u00fdv\u00e1 brzdn\u00fd v\u00fdkon, co\u017e je v\u00fdkon, kter\u00fd \u010derpadlo pot\u0159ebuje k vykon\u00e1n\u00ed ur\u010dit\u00e9ho mno\u017estv\u00ed pr\u00e1ce. <\/span><\/span><\/p>\n

    Krom\u011b p\u0159\u00edkonu m\u00e1 \u010derpadlo tak\u00e9 v\u00fdstupn\u00ed v\u00fdkon, tj. u\u017eite\u010dn\u00fd v\u00fdkon, kter\u00fd \u010derpadlo p\u0159en\u00e1\u0161\u00ed, kdy\u017e j\u00edm prot\u00e9k\u00e1 kapalina, zn\u00e1m\u00fd tak\u00e9 jako h\u0159\u00eddelov\u00fd v\u00fdkon.<\/span><\/span> V\u00fdstupn\u00ed v\u00fdkon, n\u011bkdy naz\u00fdvan\u00fd vodn\u00ed v\u00fdkon, je v\u00fdkon, kter\u00fd \u010derpadlo pot\u0159ebuje k doprav\u011b kapaliny, bez zapo\u010dten\u00ed ztr\u00e1t.<\/span><\/span> To je sou\u010din hmotnostn\u00edho pr\u016ftoku q a p\u0159\u00edr\u016fstku energie gH na jednotku hmotnosti kapaliny proch\u00e1zej\u00edc\u00ed \u010derpadlem, vyj\u00e1d\u0159en\u00fd v Pu: <\/span><\/span><\/p>\n

    Pu=qgH\/1000 (kW) <\/span><\/span><\/p>\n

    P\u0159\u00edkon a v\u00fdstupn\u00ed v\u00fdkon se nerovnaj\u00ed, v \u010derpadle doch\u00e1z\u00ed ke ztr\u00e1t\u00e1m v\u00fdkonu, velikost ztr\u00e1t se m\u011b\u0159\u00ed pomoc\u00ed \u00fa\u010dinnosti \u03ae, \u00fa\u010dinnost \u010derpadla je pom\u011br v\u00fdstupn\u00edho a p\u0159\u00edkonu: <\/span><\/span><\/p>\n

    \u03ae = Pu\/P5. <\/span><\/span><\/p>\n

    5. P\u0159\u00edsp\u011bvek na kavitaci <\/span><\/span><\/p>\n

    P\u0159i pou\u017eit\u00ed odst\u0159ediv\u00fdch \u010derpadel je velmi d\u016fle\u017eit\u00fdm parametrem tak\u00e9 p\u0159\u00edpustn\u00e1 kavitace. Pokud \u010derpadlo p\u0159i provozu vyd\u00e1v\u00e1 hluk a vibrace a je doprov\u00e1zeno sn\u00ed\u017een\u00edm pr\u016ftoku, v\u00fd\u0161ky a \u00fa\u010dinnosti a n\u011bkdy nem\u016f\u017ee pracovat, lze p\u0159i oprav\u011b \u010derpadla \u010dasto zjistit, \u017ee v bl\u00edzkosti p\u0159edn\u00ed kryc\u00ed desky a vstupn\u00ed hrany lopatky jsou d\u016flky nebo vo\u0161tiny.<\/span><\/span> Ve v\u00e1\u017en\u00fdch p\u0159\u00edpadech doch\u00e1z\u00ed k tomuto jevu na cel\u00e9m no\u017ei a p\u0159edn\u00ed a zadn\u00ed kryc\u00ed desce, a dokonce i k prora\u017een\u00ed no\u017ee a kryc\u00ed desky, co\u017e je po\u0161kozen\u00ed zp\u016fsoben\u00e9 kavitac\u00ed. Ve skute\u010dn\u00e9m provozu existuje mnoho \u010derpadel, kter\u00e1 jsou po\u0161kozena kavitac\u00ed. <\/span><\/span><\/p>\n

    Kavitace neboli proces kavitace je proces, p\u0159i kter\u00e9m doch\u00e1z\u00ed ke kavitaci proud\u00edc\u00ed kapaliny a jej\u00edmu n\u00e1sledn\u00e9mu roztr\u017een\u00ed.<\/span><\/span> Kdy\u017e se absolutn\u00ed rychlost kapaliny zv\u00fd\u0161\u00ed v d\u016fsledku poklesu statick\u00e9ho tlaku kapaliny, dos\u00e1hnou n\u011bkter\u00e9 specifick\u00e9 \u010d\u00e1stice kapaliny p\u0159i ur\u010dit\u00e9 teplot\u011b, p\u0159esto\u017ee do n\u00ed nen\u00ed p\u0159iv\u00e1d\u011bno teplo zven\u010d\u00ed, vypa\u0159ovac\u00edho tlaku, tak\u017ee se \u010d\u00e1stice vypa\u0159\u00ed a vytvo\u0159\u00ed bubliny.<\/span><\/span> Pokud pak pod\u00e9l pr\u016ftokov\u00e9ho kan\u00e1lu op\u011bt vzroste statick\u00fd tlak kapaliny, kter\u00fd je vy\u0161\u0161\u00ed ne\u017e tlak vypa\u0159ov\u00e1n\u00ed, bublina rychle praskne a vyvol\u00e1 obrovsk\u00fd kondenza\u010dn\u00ed \u0161ok, kter\u00fd m\u00e1 explozivn\u00ed charakter sm\u011brem dovnit\u0159.<\/span><\/span> Pokud k prasknut\u00ed bublin nedojde v proud\u00edc\u00ed kapalin\u011b, ale na st\u011bn\u011b odv\u00e1d\u011bc\u00edho prvku, zp\u016fsob\u00ed kavitace erozi materi\u00e1lu st\u011bny. <\/span><\/span><\/p>\n

    Pokud \u010derpadlo pracuje v kavita\u010dn\u00edm stavu, i kdy\u017e nedoch\u00e1z\u00ed k erozi materi\u00e1lu st\u011bny, zjist\u00ed se, \u017ee se zvy\u0161uje hlu\u010dnost \u010derpadla, zvy\u0161uj\u00ed se vibrace, sni\u017euje se \u00fa\u010dinnost a kles\u00e1 v\u00fdtlak. <\/span><\/span><\/p>\n

    Kavita\u010dn\u00ed rezerva za\u0159\u00edzen\u00ed: zn\u00e1m\u00e1 tak\u00e9 jako efektivn\u00ed kavita\u010dn\u00ed rezerva, kavita\u010dn\u00ed rezerva za\u0159\u00edzen\u00ed je zaji\u0161t\u011bna sac\u00edm za\u0159\u00edzen\u00edm, na vstupu do \u010derpadla m\u00e1 kapalina jednotkovou hmotnost v\u011bt\u0161\u00ed ne\u017e p\u0159ebyte\u010dn\u00e1 energie odpa\u0159ovac\u00ed tlakov\u00e9 hlavy.<\/span><\/span> V zahrani\u010d\u00ed se naz\u00fdv\u00e1 efektivn\u00ed \u010dist\u00e1 kladn\u00e1 sac\u00ed v\u00fd\u0161ka a pou\u017e\u00edv\u00e1 se hodnota celkov\u00e9 v\u00fd\u0161ky minus \u010dist\u00e1 zb\u00fdvaj\u00edc\u00ed v\u00fd\u0161ka odpa\u0159ovac\u00edho tlaku na vstupu do stup\u0148ov\u00e9ho \u010derpadla (polohov\u00e1 v\u00fd\u0161ka je nulov\u00e1).<\/span><\/span> Ozna\u010duje.<\/span><\/span> Jeho velikost souvis\u00ed s parametry za\u0159\u00edzen\u00ed a vlastnostmi kapaliny.<\/span><\/span> Proto\u017ee hydraulick\u00e1 ztr\u00e1ta sac\u00edho za\u0159\u00edzen\u00ed je \u00fam\u011brn\u00e1 kvadr\u00e1tu pr\u016ftoku, NPSHa.<\/span><\/span> S rostouc\u00edm pr\u016ftokem se sni\u017euje.<\/span><\/span> NPSHa-q je klesaj\u00edc\u00ed k\u0159ivka. <\/span><\/span><\/p>\n

    P\u0159\u00eddavek na kavitaci \u010derpadla (NPSHr) souvis\u00ed s pr\u016ftokem v \u010derpadle a je ur\u010den samotn\u00fdm \u010derpadlem.<\/span><\/span> NPSHr charakterizuje tlakovou ztr\u00e1tu na vstupu do \u010derpadla, to znamen\u00e1, \u017ee aby \u010derpadlo nekavitovalo, je t\u0159eba, aby jednotkov\u00e1 hmotnost kapaliny na vstupu do \u010derpadla m\u011bla v\u011bt\u0161\u00ed energii, ne\u017e je v\u00fdtla\u010dn\u00fd tlak odpa\u0159ov\u00e1n\u00ed, tedy kavita\u010dn\u00ed rezerva mal\u00e9ho za\u0159\u00edzen\u00ed, kterou poskytuje za\u0159\u00edzen\u00ed.<\/span><\/span> Tato hodnota se naz\u00fdv\u00e1 pot\u0159ebn\u00e1 \u010dist\u00e1 kladn\u00e1 sac\u00ed v\u00fd\u0161ka v zahrani\u010d\u00ed.<\/span><\/span> Fyzik\u00e1ln\u00ed v\u00fdznam kavita\u010dn\u00ed rezervy \u010derpadla ud\u00e1v\u00e1, do jak\u00e9 m\u00edry je zaru\u010den pokles tlaku kapaliny na vstupu do \u010derpadla.<\/span><\/span> Takzvan\u00e1 pot\u0159ebn\u00e1 \u010dist\u00e1 kladn\u00e1 sac\u00ed v\u00fd\u0161ka znamen\u00e1 po\u017eadavek, \u017ee sac\u00ed za\u0159\u00edzen\u00ed mus\u00ed poskytovat tak velkou \u010distou kladnou sac\u00ed v\u00fd\u0161ku, aby vyrovnalo tlakovou ztr\u00e1tu a zajistilo, \u017ee \u010derpadlo nebude kavitovat. <\/span><\/span><\/p>\n

    P\u0159\u00edpustn\u00e1 kavitace \u010derpadla nem\u00e1 nic spole\u010dn\u00e9ho s parametry za\u0159\u00edzen\u00ed a souvis\u00ed pouze s parametry pohybu vstupn\u00ed \u010d\u00e1sti \u010derpadla.<\/span><\/span> Parametry pohybu jsou ur\u010deny geometrick\u00fdmi parametry p\u0159i ur\u010dit\u00e9 rychlosti a pr\u016ftoku.<\/span><\/span> To znamen\u00e1, \u017ee NPSHr je ur\u010dena samotn\u00fdm \u010derpadlem (geometrick\u00fdmi parametry sac\u00ed komory a vstupn\u00ed \u010d\u00e1sti ob\u011b\u017en\u00e9ho kola).<\/span><\/span> Pro dan\u00e9 \u010derpadlo, bez ohledu na druh kapaliny (krom\u011b toho, \u017ee viskozita je velmi velk\u00e1, co\u017e ovliv\u0148uje rozlo\u017een\u00ed ot\u00e1\u010dek), p\u0159i ur\u010dit\u00e9 rychlosti a pr\u016ftoku vstupem \u010derpadla, proto\u017ee rychlost je stejn\u00e1, je stejn\u00fd pokles tlaku, NPSHr je stejn\u00fd.<\/span><\/span> Proto je NPSHr nez\u00e1visl\u00e1 na povaze kapaliny (bez zohledn\u011bn\u00ed termodynamick\u00fdch faktor\u016f). \u010c\u00edm men\u0161\u00ed je NPSHr, t\u00edm men\u0161\u00ed je tlakov\u00e1 ztr\u00e1ta, t\u00edm men\u0161\u00ed NPSHr mus\u00ed za\u0159\u00edzen\u00ed zajistit a t\u00edm lep\u0161\u00ed je ochrana \u010derpadla proti kavitaci.<\/span><\/span><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

    Odst\u0159ediv\u00e9 \u010derpadlo FSB-D ze slitiny fluoru je vhodn\u00e9 pro p\u0159epravu kyselin, z\u00e1sad, organick\u00fdch rozpou\u0161t\u011bdel a jin\u00fdch korozivn\u00edch m\u00e9di\u00ed.<\/span> U FSB(L) lze zam\u011bnit dva typy t\u011blesa \u010derpadla, ob\u011b\u017en\u00e9 kolo a mechanickou ucp\u00e1vku.<\/span> FSB-D je \u010derpadlo s kr\u00e1tkou podp\u011brou, kter\u00e9 \u0161et\u0159\u00ed m\u00edsto, net\u011bsn\u00ed a je vhodn\u00e9 pro r\u016fzn\u00e9 provozn\u00ed podm\u00ednky.<\/span><\/p>","protected":false},"featured_media":1461,"template":"","adweb_product_categories":[39,67],"adweb_product_tags":[224,81,221,220,223,222,219,97,96],"gallery":[1460,1462,1463],"order":"0","acf":[],"_links":{"self":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/adweb_products\/440"}],"collection":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/adweb_products"}],"about":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/types\/products"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/media\/1461"}],"wp:attachment":[{"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/media?parent=440"}],"wp:term":[{"taxonomy":"adweb_product_cat","embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/adweb_product_categories?post=440"},{"taxonomy":"adweb_product_tag","embeddable":true,"href":"https:\/\/www.tflequip.com\/cs\/wp-json\/wp\/v2\/adweb_product_tags?post=440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}