{"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\/lv\/products\/fsb-d-fluorine-alloy-centrifugal-pump\/","title":{"rendered":"FSB-D fluora sakaus\u0113juma centrb\u0113dzes s\u016bknis"},"content":{"rendered":"
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<\/span>Ievads<\/strong><\/h5>\n<\/div>\n<\/div>\n

FSB-D fluora sakaus\u0113juma centrb\u0113dzes s\u016bknis ir \u012bss balsts pret koroziju iztur\u012bgs \u0137\u012bmiskais s\u016bknis, kas pla\u0161i nov\u0113rt\u0113ts pestic\u012bdu un farm\u0101cijas r\u016bpniec\u012bb\u0101!<\/span><\/p>\n

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  • \n

    Pl\u016bsmas \u0101trums: 3,6 ~ 100 m\u00b3\/h<\/p>\n<\/li>\n

  • \n

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

  • \n

    Jauda: 3 ~ 15kw<\/p>\n<\/li>\n

  • \n

    Ma\u0161\u012bnas svars: 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 Teflona iek\u0101rtas Co., Ltd. nodro\u0161ina profesion\u0101lu un tehnisku person\u0101lu, lai pal\u012bdz\u0113tu klientiem ar \u0101tru izv\u0113li, karst\u0101 l\u012bnija +86 (0086) 18795855808, e-pasts: Teflon-pump@aliyun.com.<\/span><\/p>\n<\/li>\n<\/ul>\n

     <\/p>\n

    \"Fsb-d<\/p>\n

    <\/h2>\n
    \n
    \n
    <\/span>Priek\u0161roc\u012bba<\/strong><\/h5>\n<\/div>\n<\/div>\n

    1.<\/span><\/span> Nep\u0101rtraukta un vienm\u0113r\u012bga pl\u016bsma, vienm\u0113r\u012bgs darbs.<\/span><\/span> Pl\u016bsmu ir viegli regul\u0113t.<\/span><\/span> Piem\u0113rojamais pl\u016bsmas diapazons ir liels, parasti izmanto diapazonu 5-20000 m \u00b3\/h. <\/span><\/span><\/p>\n

    2.<\/span><\/span> Liels rot\u0101cijas \u0101trums.<\/span><\/span> To var tie\u0161i savienot ar motoru vai tvaika turb\u012bnu.<\/span><\/span> Strukt\u016bra ir vienk\u0101r\u0161a un kompakta, izm\u0113rs un svars ir daudz maz\u0101ks nek\u0101 virzu\u013cs\u016bk\u0146a ar t\u0101du pa\u0161u pl\u016bsmas \u0101trumu, un izmaksas ir zemas. <\/span><\/span><\/p>\n

    3.<\/span><\/span> T\u0101 nav jut\u012bga pret piemais\u012bjumiem, maz\u0101k nolietojamu deta\u013cu, \u0113rta vad\u012bba un apkope.<\/span><\/span> Gan uz sauszemes, gan uz ku\u0123a centrb\u0113dzes s\u016bk\u0146u skaits un izmanto\u0161anas joma p\u0101rsniedz citu tipu s\u016bk\u0146us.<\/span><\/span><\/p>\n

     <\/p>\n

    \n
    \n
    <\/span>Ptiek ieviesti ump parametri<\/span><\/strong><\/h5>\n<\/div>\n<\/div>\n
    \n

    S\u016bk\u0146a parametri ietver s\u016bk\u0146a pl\u016bsmu, augstumu, \u0101trumu, jaudu (efektivit\u0101ti) un kavit\u0101cijas rezervi. <\/span><\/span><\/p>\n

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

    S\u016bk\u0146a tilpumpl\u016bsmu iedala tilpumpl\u016bsm\u0101 un masas pl\u016bsm\u0101, tilpumpl\u016bsma ir s\u016bk\u0146a s\u016bkn\u0113t\u0101 \u0161\u0137idruma tilpums laika vien\u012bb\u0101, kas ir \u0161\u0137idruma tilpums, kas izpl\u016bst no s\u016bk\u0146a spiediena izpl\u016bdes da\u013cas, tilpumpl\u016bsmu izsaka ar Q, un t\u0101s m\u0113rvien\u012bba ir kubikmetri sekund\u0113 (m3\/s), litri sekund\u0113 vai kubikmetri stund\u0101 (m3\/h).<\/span><\/span> Masas pl\u016bsma ir s\u016bk\u0146a s\u016bkn\u0113t\u0101 \u0161\u0137idruma masa laika vien\u012bb\u0101, masas pl\u016bsma q, ko izsaka kilogramos sekund\u0113 (kg\/s) vai tonn\u0101s stund\u0101 (t\/h).<\/span><\/span> In\u017eenierzin\u0101tn\u0113s ir pie\u0146emts izmantot t\/h vien\u012bbas. <\/span><\/span><\/p>\n

    Visp\u0101r\u012bgi run\u0101jot, s\u016bk\u0146a pl\u016bsmas \u0101trums attiecas uz tilpuma pl\u016bsmas \u0101trumu, un masas pl\u016bsmas \u0101trumu izmanto tikai retos gad\u012bjumos. <\/span><\/span><\/p>\n

    Attiec\u012bba starp s\u016bk\u0146a tilpuma pl\u016bsmu Q un masas pl\u016bsmu q ir \u0161\u0101da: <\/span><\/span><\/p>\n

    Q=q\/p (kur \u03c1 ir \u0161\u0137idruma bl\u012bvums) <\/span><\/span><\/p>\n

    2. Lifts <\/span><\/span><\/p>\n

    S\u016bk\u0146a pac\u0113lums attiecas uz \u0161\u0137idruma smaguma vien\u012bbu caur s\u016bkni p\u0113c t\u0101 ener\u0123ijas v\u0113rt\u012bbas paaugstin\u0101\u0161anas, gan s\u016bk\u0146a spiediena izejas vien\u012bbas smaguma vien\u012bbas \u0161\u0137idruma meh\u0101nisk\u0101 ener\u0123ija m\u012bnus s\u016bk\u0146a ies\u016bkn\u0113\u0161anas iepl\u016bdes vien\u012bbas smaguma vien\u012bbas meh\u0101nisk\u0101 ener\u0123ija, vien\u012bba ir d\u017eoula pieaugums uz vienu \u0146\u016btonu \u0161\u0137idruma J\/N, un ener\u0123ijas d\u017eoula vien\u012bba ir \u0146\u016btonmetri (J = N-m), t\u0101p\u0113c pac\u0113luma vien\u012bba ir m <\/span><\/span><\/p>\n

    3. \u0100trums <\/span><\/span><\/p>\n

    S\u016bk\u0146a \u0101trums ir s\u016bk\u0146a rotora apgriezienu skaits laika vien\u012bb\u0101, un s\u016bk\u0146a \u0101trumu izsaka ar n, un t\u0101 m\u0113rvien\u012bba ir apgrieziens min\u016bt\u0113 (r\/min) vai apgrieziens sekund\u0113 (r\/s).<\/span><\/span> \u0100trumu var izteikt ar\u012b ar rotora le\u0146\u0137isko \u0101trumu \u03c9, t\u0101 m\u0113rvien\u012bba ir viena sekunde (1\/s), un sakar\u012bba starp \u0101trumu un le\u0146\u0137isko \u0101trumu ir \u0161\u0101da: <\/span><\/span><\/p>\n

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

    4. Power <\/span><\/span><\/p>\n

    S\u016bk\u0146a jauda attiecas uz s\u016bk\u0146a ieejas jaudu, t. i., jaudu, ko s\u016bk\u0146a v\u0101rpstai nodod galvenais dzin\u0113js, sauktu ar\u012b par v\u0101rpstas jaudu.<\/span><\/span> Da\u017ek\u0101rt to sauc par bremz\u0113\u0161anas jaudu, un t\u0101 ir jauda, kas s\u016bknim nepiecie\u0161ama, lai veiktu noteiktu darbu. <\/span><\/span><\/p>\n

    Papildus ieejas jaudai s\u016bknim ir ar\u012b izejas jauda, t. i., lietder\u012bg\u0101 jauda, ko s\u016bknis nodod, kad \u0161\u0137idrums pl\u016bst caur s\u016bkni, saukta ar\u012b par v\u0101rpstas jaudu.<\/span><\/span> Izvades jauda, ko da\u017ek\u0101rt sauc par \u016bdens jaudu, ir jauda, kas s\u016bknim nepiecie\u0161ama \u0161\u0137idruma transport\u0113\u0161anai, neskaitot zudumus.<\/span><\/span> Tas ir masas caurpl\u016bduma q un ener\u0123ijas pieauguma gH reizin\u0101jums uz s\u016bk\u0146a caurpl\u016bsto\u0161\u0101 \u0161\u0137idruma masas vien\u012bbu, kas izteikts Pu: <\/span><\/span><\/p>\n

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

    Ieejas jauda un izejas jauda nav vien\u0101da, s\u016bkn\u012b ir jaudas zudumi, to lielumu m\u0113ra ar lietder\u012bbas koeficientu \u03ae, s\u016bk\u0146a lietder\u012bbas koeficients ir izejas jaudas un ieejas jaudas attiec\u012bba: <\/span><\/span><\/p>\n

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

    5. Kavit\u0101cijas pabalsts <\/span><\/span><\/p>\n

    Centrb\u0113dzes s\u016bk\u0146u izmanto\u0161an\u0101 \u013coti svar\u012bgs parametrs ir ar\u012b kavit\u0101cijas pielaide. Ja s\u016bknis darb\u012bbas laik\u0101 rada troksni un vibr\u0101ciju, un to pavada pl\u016bsmas, augstuma un efektivit\u0101tes samazin\u0101\u0161an\u0101s, un da\u017ek\u0101rt tas nevar darboties, tad, remont\u0113jot s\u016bkni, bie\u017ei vien var konstat\u0113t, ka pie priek\u0161\u0113j\u0101s v\u0101ka pl\u0101ksnes un l\u0101psti\u0146as iepl\u016bdes malas ir bedr\u012b\u0161u vai \u0161\u016bnveida boj\u0101jumi.<\/span><\/span> Nopietnos gad\u012bjumos \u0161\u012b par\u0101d\u012bba piemekl\u0113 visu asmeni un priek\u0161\u0113jo un aizmugur\u0113jo v\u0101ka pl\u0101ksni, un pat l\u0101psti\u0146a un v\u0101ka pl\u0101ksne tiek caururbta, kas ir kavit\u0101cijas izrais\u012bts boj\u0101jums. Faktiskaj\u0101 ekspluat\u0101cij\u0101 ir daudz s\u016bk\u0146u, kurus boj\u0101 kavit\u0101cija. <\/span><\/span><\/p>\n

    Kavit\u0101cija jeb kavit\u0101cijas process ir process, kur\u0101 notiek pl\u016bsto\u0161a \u0161\u0137idruma kavit\u0101cija un tai sekojo\u0161a pl\u012bs\u0161ana.<\/span><\/span> Kad \u0161\u0137idruma absol\u016btais \u0101trums palielin\u0101s, samazinoties \u0161\u0137idruma statiskajam spiedienam, da\u017e\u0101m konkr\u0113t\u0101m \u0161\u0137idruma da\u013ci\u0146\u0101m noteikt\u0101 temperat\u016br\u0101, lai gan no \u0101rpuses netiek ievad\u012bts siltums, ir sasniegts iztvaiko\u0161anas spiediens, t\u0101p\u0113c da\u013ci\u0146as iztvaiko un veido burbu\u013cus.<\/span><\/span> Ja pl\u016bsmas kan\u0101l\u0101 \u0161\u0137idruma statiskais spiediens atkal paaugstin\u0101s, p\u0101rsniedzot iztvaiko\u0161anas spiedienu, burbulis strauji pl\u012bst, radot milz\u012bgu kondens\u0101cijas triecienu, kas ir spr\u0101dzienb\u012bstams uz iek\u0161u.<\/span><\/span> Ja burbu\u013cu pl\u012bsums nenotiek pl\u016bsto\u0161aj\u0101 \u0161\u0137idrum\u0101, bet gan pie novirzes komponenta sienas, kavit\u0101cija izraisa sienas materi\u0101la eroziju. <\/span><\/span><\/p>\n

    Ja s\u016bknis darbojas kavit\u0101cijas st\u0101vokl\u012b, pat ja nenotiek sienu materi\u0101la erozija, tiek konstat\u0113ts, ka palielin\u0101s s\u016bk\u0146a troksnis, palielin\u0101s vibr\u0101cija, samazin\u0101s efektivit\u0101te un samazin\u0101s spiediens. <\/span><\/span><\/p>\n

    Ier\u012bces kavit\u0101cijas rezerve: paz\u012bstama ar\u012b k\u0101 efekt\u012bv\u0101 kavit\u0101cijas rezerve, ier\u012bces kavit\u0101cijas rezervi nodro\u0161ina ies\u016bkn\u0113\u0161anas ier\u012bce, pie s\u016bk\u0146a iepl\u016bdes vien\u012bbas svara vien\u012bbas \u0161\u0137idrumam ir vair\u0101k nek\u0101 iztvaiko\u0161anas spiediena galvas lieko ener\u0123iju.<\/span><\/span> \u0100rvalst\u012bs to sauc par efekt\u012bvo neto pozit\u012bvo ies\u016bkn\u0113\u0161anas augstumu, un izmanto kop\u0113jo augstumu, no kura at\u0146emta iztvaiko\u0161anas spiediena neto atlikuma augstuma v\u0113rt\u012bba pie s\u016bk\u0146a pak\u0101pes iepl\u016bdes (poz\u012bcijas augstums ir nulle).<\/span><\/span> Nor\u0101da.<\/span><\/span> T\u0101s lielums ir saist\u012bts ar ier\u012bces parametriem un \u0161\u0137idruma \u012bpa\u0161\u012bb\u0101m.<\/span><\/span> T\u0101 k\u0101 s\u016bkn\u0113\u0161anas ier\u012bces hidrauliskie zudumi ir proporcion\u0101li pl\u016bsmas \u0101truma kvadr\u0101tam, NPSHa.<\/span><\/span> Tas samazin\u0101s, palielinoties pl\u016bsmai.<\/span><\/span> NPSHa-q ir lejupejo\u0161a l\u012bkne. <\/span><\/span><\/p>\n

    S\u016bk\u0146a kavit\u0101cijas pielaide (NPSHr) ir saist\u012bta ar pl\u016bsmu s\u016bkn\u012b un to nosaka pats s\u016bknis.<\/span><\/span> NPSHr raksturo spiediena kritumu s\u016bk\u0146a iepl\u016bd\u0113, tas ir, lai nodro\u0161in\u0101tu, ka s\u016bknis nekavit\u0113, \u0161\u0137idruma svara vien\u012bbai s\u016bk\u0146a iepl\u016bd\u0113 ir nepiecie\u0161ama liel\u0101ka ener\u0123ija nek\u0101 iztvaiko\u0161anas spiediena galva, tas ir, nelielas ier\u012bces kavit\u0101cijas rezerve, ko nodro\u0161ina ier\u012bce.<\/span><\/span> To sauc par nepiecie\u0161amo neto pozit\u012bvo ies\u016bk\u0161anas augstumu \u0101rzem\u0113s.<\/span><\/span> S\u016bk\u0146a kavit\u0101cijas rezerves fizik\u0101l\u0101 noz\u012bme nor\u0101da, cik liel\u0101 m\u0113r\u0101 ir garant\u0113ts \u0161\u0137idruma spiediena kritums s\u016bk\u0146a iepl\u016bd\u0113.<\/span><\/span> T\u0101 sauktais nepiecie\u0161amais neto pozit\u012bvais ies\u016bk\u0161anas augstums attiecas uz pras\u012bbu, ka ies\u016bk\u0161anas ier\u012bcei j\u0101nodro\u0161ina tik liels neto pozit\u012bvais ies\u016bk\u0161anas augstums, lai kompens\u0113tu spiediena kritumu un nodro\u0161in\u0101tu, ka s\u016bknis nekavit\u0113. <\/span><\/span><\/p>\n

    S\u016bk\u0146a kavit\u0101cijas pieejai nav nek\u0101da sakara ar ier\u012bces parametriem, un tai ir sakars tikai ar s\u016bk\u0146a iepl\u016bdes da\u013cas kust\u012bbas parametriem.<\/span><\/span> Kust\u012bbas parametrus nosaka \u0123eometriskie parametri pie noteikta \u0101truma un pl\u016bsmas \u0101truma.<\/span><\/span> Tas noz\u012bm\u0113, ka NPSHr nosaka pats s\u016bknis (s\u016bkn\u0113\u0161anas kameras un l\u0101psti\u0146rite\u0146a iepl\u016bdes da\u013cas \u0123eometriskie parametri).<\/span><\/span> Konkr\u0113tam s\u016bknim, neatkar\u012bgi no t\u0101, k\u0101da veida \u0161\u0137idrums (turkl\u0101t viskozit\u0101te ir \u013coti liela, kas ietekm\u0113 \u0101truma sadal\u012bjumu), pie noteikta \u0101truma un pl\u016bsmas caur s\u016bk\u0146a iepl\u016bdi, jo \u0101trums ir vien\u0101ds, ir vien\u0101ds spiediena kritums, NPSHr ir vien\u0101ds.<\/span><\/span> T\u0101p\u0113c NPSHr nav atkar\u012bgs no \u0161\u0137idruma veida (ne\u0146emot v\u0113r\u0101 termodinamiskos faktorus). Jo maz\u0101ks NPSHr, jo maz\u0101ks spiediena kritums, jo maz\u0101ks NPSHr, kas j\u0101nodro\u0161ina ier\u012bcei, un jo lab\u0101ka ir s\u016bk\u0146a pretkavit\u0101cijas funkcija.<\/span><\/span><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

    FSB-D fluora sakaus\u0113juma centrb\u0113dzes s\u016bknis ir piem\u0113rots sk\u0101bju, s\u0101rmu, organisko \u0161\u0137\u012bdin\u0101t\u0101ju un citu kod\u012bgu vielu transport\u0113\u0161anai.<\/span> Ar FSB(L) var savstarp\u0113ji aizst\u0101t divu veidu s\u016bk\u0146a korpusu, l\u0101psti\u0146riteni un meh\u0101nisko bl\u012bv\u0113jumu.<\/span> FSB-D ir \u012bss atbalsta s\u016bknis, kas ietaupa vietu, nav nopl\u016bdes, piem\u0113rots da\u017e\u0101diem ekspluat\u0101cijas apst\u0101k\u013ciem.<\/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\/lv\/wp-json\/wp\/v2\/adweb_products\/440"}],"collection":[{"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/adweb_products"}],"about":[{"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/types\/products"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/media\/1461"}],"wp:attachment":[{"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/media?parent=440"}],"wp:term":[{"taxonomy":"adweb_product_cat","embeddable":true,"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/adweb_product_categories?post=440"},{"taxonomy":"adweb_product_tag","embeddable":true,"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/adweb_product_tags?post=440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}