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<\/p>\nMagn\u0113tiskais s\u016bknis sast\u0101v no trim da\u013c\u0101m: s\u016bk\u0146a, magn\u0113tisk\u0101s transmisijas un motora. Galven\u0101 sast\u0101vda\u013ca - magn\u0113tisk\u0101 transmisija - sast\u0101v no \u0101r\u0113j\u0101 magn\u0113tisk\u0101 rotora, iek\u0161\u0113j\u0101 magn\u0113tisk\u0101 rotora un nemagn\u0113tisk\u0101s izol\u0101cijas uzmavas. Kad motors virza \u0101r\u0113jo magn\u0113tisko rotoru rot\u0113t, magn\u0113tiskais lauks var iek\u013c\u016bt gaisa spraug\u0101 un nemagn\u0113tiskajos materi\u0101los, sinhroni rot\u0113jot iek\u0161\u0113jam magn\u0113tiskajam rotoram, kas savienots ar l\u0101psti\u0146riteni, t\u0101d\u0113j\u0101di nodro\u0161inot bezkontakta ener\u0123ijas p\u0101rnesi un p\u0101rv\u0113r\u0161ot dinamisko bl\u012bv\u0113jumu statisk\u0101 bl\u012bv\u0113jum\u0101. T\u0101 k\u0101 s\u016bk\u0146a v\u0101rpstu un iek\u0161\u0113jo magn\u0113tisko rotoru piln\u012bb\u0101 nosl\u0113dz s\u016bk\u0146a korpuss un izol\u0101cijas uzmava, ir piln\u012bb\u0101 atrisin\u0101ta \"tec\u0113\u0161anas, burbu\u013co\u0161anas, pil\u0113\u0161anas un nopl\u016bdes\" probl\u0113ma, nov\u0113r\u0161ot dro\u0161\u012bbas risku, ko rada uzliesmojo\u0161u, spr\u0101dzienb\u012bstamu, toksisku un kait\u012bgu vielu nopl\u016bde caur s\u016bk\u0146a bl\u012bv\u0113jumu naftas p\u0101rstr\u0101des un \u0137\u012bmiskaj\u0101 r\u016bpniec\u012bb\u0101, un efekt\u012bvi nodro\u0161inot vides aizsardz\u012bbu, dro\u0161u ra\u017eo\u0161anu un citas vajadz\u012bbas.<\/p>\n
<\/p>\n
1. Magn\u0113tisk\u0101 s\u016bk\u0146a darb\u012bbas princips un struktur\u0101l\u0101s \u012bpa\u0161\u012bbas<\/strong><\/p>\n N magn\u0113tu p\u0101ru (n ir p\u0101ra skaitlis) ir regul\u0101ri izvietoti un samont\u0113ti uz magn\u0113tisk\u0101s transmisijas iek\u0161\u0113j\u0101 un \u0101r\u0113j\u0101 magn\u0113tisk\u0101 rotora t\u0101, ka magn\u0113tisk\u0101s da\u013cas veido piln\u012bgu savienotu magn\u0113tisko sist\u0113mu. Ja iek\u0161\u0113jais un \u0101r\u0113jais magn\u0113tiskais polis ir pret\u0113ji viens otram, t. i., p\u0101rvietojuma le\u0146\u0137is starp abiem magn\u0113tiskajiem poliem ir \u03a6 = 0, magn\u0113tisk\u0101s sist\u0113mas magn\u0113tisk\u0101 ener\u0123ija ir maza; ja magn\u0113tiskie polis pagrie\u017eas uz tiem pa\u0161iem poliem, t. i., p\u0101rvietojuma le\u0146\u0137is starp abiem magn\u0113tiskajiem poliem ir \u03a6 = 2\u03c0\/n, magn\u0113tisk\u0101s sist\u0113mas magn\u0113tisk\u0101 ener\u0123ija ir liela. P\u0113c \u0101r\u0113j\u0101 sp\u0113ka no\u0146em\u0161anas magn\u0113tisk\u0101s sist\u0113mas magn\u0113tiskie poli viens otru atgr\u016b\u017e, un magn\u0113tiskais sp\u0113ks atjaunos magn\u0113tu zemas magn\u0113tisk\u0101s ener\u0123ijas st\u0101vokl\u012b. Tad magn\u0113ts kustas un virza magn\u0113tisko rotoru griezties.<\/p>\n a. Iek\u0161\u0113jais un \u0101r\u0113jais magn\u0113tiskais t\u0113rauds<\/p>\n Past\u0101v\u012bgajam magn\u0113tam, kas izgatavots no retzemju past\u0101v\u012bg\u0101 magn\u0113ta materi\u0101la, ir pla\u0161s darba temperat\u016bras diapazons (-45-400 \u2103), augsta koercivit\u0101te, laba anizotropija magn\u0113tisk\u0101 lauka virzien\u0101, un demagnetiz\u0101cija nenotiek, ja tie pa\u0161i polis ir tuvu viens otram. Tas ir labs magn\u0113tisk\u0101 lauka avots.<\/p>\n b. Izol\u0101cijas uzmava<\/p>\n Ja izmanto met\u0101la izol\u0101cijas uzmavu, izol\u0101cijas uzmava atrodas sinusoid\u0101l\u0101 main\u012bg\u0101 magn\u0113tiskaj\u0101 lauk\u0101, un uz \u0161\u0137\u0113rsgriezuma, kas ir perpendikul\u0101rs magn\u0113tisk\u0101 lauka l\u012bniju virzienam, tiek induc\u0113tas virpu\u013cstr\u0101vas, kas tiek p\u0101rv\u0113rstas siltum\u0101. Virpu\u013cstr\u0101vas izteiksme ir \u0161\u0101da:. Starp t\u0101m: Pe - virpu\u013cstr\u0101va; K - konstante; n - s\u016bk\u0146a \u0101trums; T - magn\u0113tisk\u0101s transmisijas griezes moments; F - spiediens starplik\u0101; D - starplikas iek\u0161\u0113jais diametrs; - materi\u0101la pretest\u012bba; - materi\u0101la stiepes iztur\u012bba. Projekt\u0113jot s\u016bkni, n un T nosaka darba apst\u0101k\u013ci. Lai samazin\u0101tu virpu\u013cstr\u0101vu, var \u0146emt v\u0113r\u0101 tikai F, D utt. Izol\u0101cijas uzmava ir izgatavota no augstas pretest\u012bbas un augstas stipr\u012bbas nemet\u0101liska materi\u0101la F46, kas \u013coti efekt\u012bvi samazina virpu\u013cstr\u0101vas. Pastiprin\u0101juma uzmava ir izgatavota no avi\u0101cijas un kosmosa materi\u0101la PEEK (poli\u0113terketons), ar augstu spiediena pretest\u012bbu 3 MPa, kas ir vislab\u0101k\u0101 izv\u0113le, lai transport\u0113tu vidi ar augstu \u012bpatn\u0113jo svaru, piem\u0113ram, 98 koncentr\u0113tu s\u0113rsk\u0101bi un bromu.<\/p>\n c. B\u012bd\u0101mie gult\u0146i<\/p>\n Magn\u0113tisko s\u016bk\u0146u sl\u012bdo\u0161o gult\u0146u materi\u0101li ir impregn\u0113ts graf\u012bts, piepild\u012bts politetrafluoretil\u0113ns, in\u017eenierkeramika u. c. T\u0101 k\u0101 in\u017eenierkeramikai ir laba karstumiztur\u012bba, iztur\u012bba pret koroziju un berzes pretest\u012bba, magn\u0113tisko s\u016bk\u0146u sl\u012bdo\u0161o gult\u0146u pamat\u0101 ir in\u017eenierkeramika. T\u0101 k\u0101 in\u017eenierkeramika ir \u013coti trausla un tai ir mazs izple\u0161an\u0101s koeficients, gult\u0146u atstarpe nedr\u012bkst b\u016bt p\u0101r\u0101k maza, lai izvair\u012btos no v\u0101rpstas aiz\u0137er\u0161an\u0101s. T\u0101 k\u0101 magn\u0113tisko s\u016bk\u0146u sl\u012bdo\u0161o gult\u0146u e\u013c\u013co\u0161ana notiek ar transport\u0113jamo vidi, gult\u0146u izgatavo\u0161anai j\u0101izv\u0113las da\u017e\u0101di materi\u0101li atkar\u012bb\u0101 no da\u017e\u0101d\u0101m vid\u0113m un ekspluat\u0101cijas apst\u0101k\u013ciem.<\/p>\n d. Aizsardz\u012bbas pas\u0101kumi<\/p>\n Ja magn\u0113tisk\u0101s transmisijas piedzi\u0146as da\u013cas darbojas p\u0101rslodzes apst\u0101k\u013cos vai rotors ir iestr\u0113dzis, magn\u0113tisk\u0101s transmisijas galven\u0101s un piedzi\u0146as da\u013cas autom\u0101tiski izsl\u0113dzas, lai aizsarg\u0101tu s\u016bkni. \u0160aj\u0101 laik\u0101 magn\u0113tisk\u0101s transmisijas past\u0101v\u012bgie magn\u0113ti akt\u012bv\u0101 rotora main\u012bg\u0101 magn\u0113tisk\u0101 lauka iedarb\u012bb\u0101 rad\u012bs virpu\u013czudumus un magn\u0113tiskos zudumus, k\u0101 rezult\u0101t\u0101 past\u0101v\u012bgo magn\u0113tu temperat\u016bra paaugstin\u0101s un magn\u0113tisk\u0101 transmisija izsl\u012bd un saboj\u0101jas.<\/p>\n e. Dzes\u0113\u0161anas un e\u013c\u013co\u0161anas \u0161\u0137idruma pl\u016bsmas \u0101truma kontrole<\/p>\n Kad s\u016bknis darbojas, neliels \u0161\u0137idruma daudzums j\u0101izmanto, lai izskalotu un atdzes\u0113tu gredzenveida spraugas zonu starp iek\u0161\u0113jo magn\u0113tisko rotoru un izol\u0101cijas uzmavu un sl\u012bdo\u0161\u0101 gult\u0146a berzes p\u0101ri. Dzes\u0113\u0161anas \u0161\u0137idruma pl\u016bsmas \u0101trums parasti ir 2%-3% no s\u016bk\u0146a projekt\u0113t\u0101 pl\u016bsmas \u0101truma. Starp iek\u0161\u0113j\u0101 magn\u0113tisk\u0101 rotora un izol\u0101cijas uzmavas gredzenveida spraugas laukumu virpu\u013cstr\u0101vu d\u0113\u013c rodas liels karstums. Ja dzes\u0113\u0161anas un e\u013c\u013co\u0161anas \u0161\u0137idruma daudzums ir nepietiekams vai ja skalo\u0161anas caurums ir blo\u0137\u0113ts, vides temperat\u016bra b\u016bs augst\u0101ka par past\u0101v\u012bg\u0101 magn\u0113ta darba temperat\u016bru, k\u0101 rezult\u0101t\u0101 iek\u0161\u0113jais magn\u0113tiskais rotors pak\u0101peniski zaud\u0113s savu magn\u0113tismu un magn\u0113tisk\u0101 transmisija saboj\u0101s. Ja barotne ir \u016bdens vai \u0161\u0137idrums uz \u016bdens b\u0101zes, temperat\u016bras paaugstin\u0101\u0161anos gredzenveida spraugas zon\u0101 var uztur\u0113t 3-5 \u00b0C; ja barotne ir og\u013c\u016bde\u0146radis vai e\u013c\u013ca, temperat\u016bras paaugstin\u0101\u0161anos gredzenveida spraugas zon\u0101 var uztur\u0113t 5-8 \u00b0C temperat\u016br\u0101.<\/p>\n 2. Materi\u0101li un izv\u0113le<\/strong><\/p>\n a. S\u016bknis parasti izmanto korozijiztur\u012bgu, augstas stipr\u012bbas in\u017eeniertehnisko plastmasu (F46). Ja le\u0146\u0137is ir liel\u0101ks par 90\u00b0, k\u0101 ra\u017eo\u0161anas materi\u0101lus izmanto (import\u0113to jap\u0101\u0146u Daikin PFA vai amerik\u0101\u0146u DuPont PFA), ner\u016bs\u0113jo\u0161o t\u0113raudu utt. Tiem ir laba iztur\u012bba pret koroziju, un tie var aizsarg\u0101t transport\u0113jamo vidi no pies\u0101r\u0146ojuma. Piem\u0113ram, CQB s\u0113rijas magn\u0113tisk\u0101 s\u016bk\u0146a da\u013ca, kas saskaras ar transport\u0113jamo \u0161\u0137idrumu, ir izgatavota no \u0137\u012bmiski iztur\u012bga fluoroplastmasas sakaus\u0113juma. Fluoroplastiskais sakaus\u0113jums sast\u0101v no \u012bpa\u0161i augstas molekulmasas poliperfluoretil\u0113na propil\u0113na, ko var termoplastific\u0113t, un vienas vai vair\u0101k\u0101m cit\u0101m plastmas\u0101m, un tam var pievienot pildvielas. Piem\u0113ram, plastmasas sakaus\u0113jums, kas sast\u0101v no \u012bpa\u0161i lielmolekul\u0101r\u0101 poliperfluoretil\u0113na propil\u0113na un politetrafluoretil\u0113na, no kuriem pirmais veido no 0,1% l\u012bdz 99,9% p\u0113c svara, bet otrais - no 99,9% l\u012bdz 0,1% p\u0113c svara. To ra\u017eo, sajaucot saus\u0101 pulvera kopsmalcin\u0101\u0161anas vai saus\u0101 pulvera mitr\u0101 kopsmalcin\u0101\u0161anas metodi. To p\u0101rstr\u0101d\u0101 da\u017e\u0101dos izstr\u0101d\u0101jumos, karsti pres\u0113jot vai auksti pres\u0113jot, kas p\u0101rvar auksto pl\u016bsmu un politetrafluoretil\u0113na vieglu deform\u0101ciju un var pagarin\u0101t t\u0101 kalpo\u0161anas laiku.<\/p>\n b. Magn\u0113tisk\u0101 s\u016bk\u0146a gult\u0146i ir iegremd\u0113ti transport\u0113\u0161anas vid\u0113, un tos e\u013c\u013co un dzes\u0113 transport\u0113\u0161anas vide. \u0136\u012bn\u0101 visbie\u017e\u0101k izmantotie gult\u0146i ir graf\u012bta (ISC vai SSIC). Graf\u012btam, \u012bpa\u0161i impregn\u0113tajam graf\u012btam, ir laba pa\u0161e\u013c\u013co\u0161an\u0101s, karstuma iztur\u012bba pret koroziju, zems berzes koeficients un pla\u0161s pielietojuma spektrs, ta\u010du graf\u012bts ir trausls un ar zemu iztur\u012bbu. Tas ir \u013coti jut\u012bgs pret v\u0101rpstas saliek\u0161anu un lok\u0101lu p\u0101rslodzi, t\u0101p\u0113c tam j\u0101piev\u0113r\u0161 \u012bpa\u0161a uzman\u012bba. Tr\u012bssl\u0101\u0146u kompoz\u012btmateri\u0101lu gult\u0146iem, kuru matrica ir t\u0113rauds, vid\u0113jais sl\u0101nis - poraina bronza, bet virs\u0113jais sl\u0101nis - plastmasa, ir augsta spiedes iztur\u012bba, zems berzes koeficients, stabili izm\u0113ri, k\u0101 ar\u012b ska\u0146as izol\u0101cija un triecienu absorbcija, un p\u0113d\u0113jos gados tos izmanto.<\/p>\n 3. Magn\u0113tisko s\u016bk\u0146u priek\u0161roc\u012bbas<\/strong><\/p>\n Sal\u012bdzinot ar centrb\u0113dzes s\u016bk\u0146iem, kuros izmanto meh\u0101niskos bl\u012bv\u0113jumus vai bl\u012bvsl\u0113gus, magn\u0113tiskajiem s\u016bk\u0146iem ir \u0161\u0101das priek\u0161roc\u012bbas.<\/p>\n a. S\u016bk\u0146a v\u0101rpsta tiek nomain\u012bta no dinamisk\u0101 bl\u012bv\u0113juma uz sl\u0113gtu statisko bl\u012bv\u0113jumu, kas piln\u012bb\u0101 nov\u0113r\u0161 \u0161\u0137idruma nopl\u016bdi. 4. Piesardz\u012bbas pas\u0101kumi darb\u012bbai<\/strong><\/p>\n a. Nov\u0113rst da\u013ci\u0146u iek\u013c\u016b\u0161anu 5. Magn\u0113tisk\u0101 s\u016bk\u0146a darb\u012bbas proced\u016bras<\/strong><\/p>\n a. S\u016bk\u0146a palai\u0161anas proced\u016bra: pirms palai\u0161anas atveriet iepl\u016bdes v\u0101rstu, piepildiet s\u016bkni ar transport\u0113jamo \u0161\u0137idrumu; aizveriet izpl\u016bdes v\u0101rstu; iedarbiniet elektrisko pac\u0113l\u0101ju, lai p\u0101rbaud\u012btu, vai s\u016bknis ir pareiz\u0101 virzien\u0101; p\u0113c s\u016bk\u0146a palai\u0161anas l\u0113n\u0101m atveriet izpl\u016bdes v\u0101rstu, un p\u0113c tam, kad s\u016bknis sasniedz norm\u0101lu darba st\u0101vokli, noregul\u0113jiet izpl\u016bdes v\u0101rstu l\u012bdz vajadz\u012bgajam atv\u0113rumam. Veiciet 5 ~ 10 min\u016b\u0161u testu, un, ja nav nek\u0101du novir\u017eu, s\u016bkni var nodot ekspluat\u0101cij\u0101. The magnetic pump consists of three parts: a pump, a magnetic transmission, and a motor. The key component, the magnetic transmission, consists of an outer magnetic rotor, an inner magnetic rotor, and a non-magnetic isolation sleeve. When the motor drives the outer magnetic rotor to rotate, the magnetic field can penetrate the air gap and […]<\/p>","protected":false},"author":4,"featured_media":1355,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[36],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/posts\/1354"}],"collection":[{"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/comments?post=1354"}],"version-history":[{"count":0,"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/posts\/1354\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/media\/1355"}],"wp:attachment":[{"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/media?parent=1354"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/categories?post=1354"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/tags?post=1354"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nb. Nav nepiecie\u0161ama neatkar\u012bga e\u013c\u013co\u0161ana un dzes\u0113\u0161anas \u016bdens, kas samazina ener\u0123ijas pat\u0113ri\u0146u.
\nc. Sakabes piedzi\u0146a tiek main\u012bta uz sinhrono vilci, un nav kontakta un berzes. Tam ir zems ener\u0123ijas pat\u0113ri\u0146\u0161, augsta efektivit\u0101te un sl\u0101p\u0113\u0161anas un vibr\u0101cijas samazin\u0101\u0161anas efekts, kas samazina motora vibr\u0101cijas ietekmi uz s\u016bkni un kavit\u0101cijas vibr\u0101cijas ietekmi uz motoru, kad rodas s\u016bknis.
\nd. P\u0101rslodzes gad\u012bjum\u0101 iek\u0161\u0113jais un \u0101r\u0113jais magn\u0113tiskais rotors viens attiec\u012bb\u0101 pret otru izsl\u012bd, kas aizsarg\u0101 motoru un s\u016bkni.<\/p>\n
\n(1) Feromagn\u0113tiskie piemais\u012bjumi un da\u013ci\u0146as nedr\u012bkst iek\u013c\u016bt magn\u0113tiskaj\u0101 p\u0101rvades ier\u012bc\u0113 un gult\u0146u berzes p\u0101r\u012b.
\n(2) P\u0113c viegli kristaliz\u0113jo\u0161u vai nogulsnes veidojo\u0161u mediju transport\u0113\u0161anas savlaic\u012bgi izskalojiet tos (p\u0113c s\u016bk\u0146a aptur\u0113\u0161anas piepildiet s\u016bk\u0146a dobumu ar t\u012bru \u016bdeni un p\u0113c 1 min\u016btes darb\u012bbas to iztuk\u0161ojiet), lai nodro\u0161in\u0101tu sl\u012bdo\u0161\u0101 gult\u0146a kalpo\u0161anas laiku.
\n(3) P\u0101rvad\u0101jot cietas da\u013ci\u0146as saturo\u0161us medijus, filtr\u0113jiet tos s\u016bk\u0146a pl\u016bsmas caurules iepl\u016bd\u0113.
\nb. Nov\u0113rst demagnetiz\u0101ciju
\n(1) Magn\u0113tisko griezes momentu nevar izstr\u0101d\u0101t p\u0101r\u0101k mazu.
\n(2) Tas j\u0101darbina noteiktos temperat\u016bras apst\u0101k\u013cos, un ir stingri aizliegts p\u0101rsniegt vid\u0113jo temperat\u016bru. Uz magn\u0113tisk\u0101 s\u016bk\u0146a izol\u0101cijas uzmavas \u0101r\u0113j\u0101s virsmas var uzst\u0101d\u012bt plat\u012bna pretest\u012bbas temperat\u016bras sensoru, lai noteiktu temperat\u016bras paaugstin\u0101\u0161anos gredzenveida spraugas zon\u0101, un, temperat\u016brai p\u0101rsniedzot pie\u013caujamo robe\u017eu, var\u0113tu signaliz\u0113t vai izsl\u0113gt.
\nc. Sausas berzes nov\u0113r\u0161ana
\n(1) Ir stingri aizliegts bezdarboties.
\n(2) Ir stingri aizliegts evaku\u0113t vidi.
\n(3) Kad izpl\u016bdes v\u0101rsts ir aizv\u0113rts, s\u016bknis nedr\u012bkst darboties nep\u0101rtraukti ilg\u0101k par 2 min\u016bt\u0113m, lai nov\u0113rstu magn\u0113tisk\u0101s transmisijas ier\u012bces p\u0101rkar\u0161anu un boj\u0101jumus.<\/p>\n
\nb. Apst\u0101din\u0101\u0161anas proced\u016bra: aizveriet izpl\u016bdes v\u0101rstu; p\u0101rtrauciet str\u0101vas padevi; aizveriet iepl\u016bdes atveri. Ja s\u016bknis netiek lietots ilgu laiku, izt\u012briet s\u016bk\u0146a pl\u016bsmas kan\u0101lu un p\u0101rtrauciet str\u0101vas padevi.<\/p>","protected":false},"excerpt":{"rendered":"