Valavu ya Chipata Chofewa cha Ductile Iron vs. Valavu ya Chipata Cholimba cha Ductile Iron
Ma valve ofewa otsekeredwa ndi ma valve otsekeredwa olimba ndi zida zomwe zimagwiritsidwa ntchito kwambiri powongolera ndi kuletsa kuyenda kwa madzi, zonse zimakhala ndi magwiridwe antchito abwino otsekeredwa, zimagwiritsidwa ntchito mosiyanasiyana, ndipo ndi chimodzi mwa zinthu zomwe makasitomala amagula kwambiri. Ena omwe amagula zinthu zatsopano angakhale ndi chidwi, monga momwe zilili ndi valavu ya chipata, kodi kusiyana kwake ndi kotani pakati pawo?
Chisindikizo chofewa ndi chisindikizo pakati pa chitsulo ndi chosakhala chitsulo, pomwe chisindikizo cholimba ndi chisindikizo pakati pa chitsulo ndi chitsulo. Valavu yofewa ya chipata ndi valavu yolimba ya chipata ndi zinthu zotsekera, chisindikizo cholimba chimapangidwa molondola ndi zinthu za mpando kuti zitsimikizire kuti zikugwirizana bwino ndi spool (mpira), nthawi zambiri chitsulo chosapanga dzimbiri ndi mkuwa. Chisindikizo chofewa chimayikidwa mu valavu. Zinthu zotsekera mpando wa valavu ndi zinthu zopanda chitsulo, chifukwa chakuti zinthu zotsekera zofewa zimakhala ndi kusinthasintha kwina, motero zofunikira pakukonza molondola ndizochepa kuposa momwe chisindikizo cholimba chidzakhala. Pansipa tikukudziwitsani kusiyana pakati pa valavu yofewa ya chipata ndi valavu yolimba ya chipata.
Zipangizo zoyamba zotsekera
1. Zipangizo ziwiri zotsekera ndi zosiyana. Valavu yofewa ya chitseko nthawi zambiri imakhala ya rabara kapena PTFE ndi zipangizo zina. Valavu yolimba ya chitseko yogwiritsa ntchito chitsulo chosapanga dzimbiri ndi zitsulo zina.
2. Chisindikizo chofewa: kutseka mbali ya mbali ziwiri za chitsulo, mbali inayo ya zinthu zotanuka zopanda chitsulo, zomwe zimadziwika kuti "chisindikizo chofewa". Kutseka kwa ma valve oterewa, koma osati kutentha kwambiri, kosavuta kuvala, komanso makhalidwe oipa a makina. Monga chitsulo + rabara; chitsulo + PTFE ndi zina zotero.
3. Chisindikizo cholimba: kutseka ndi kutseka kolimba mbali zonse ziwiri ndi chitsulo kapena zinthu zina zolimba kwambiri. Kutseka kwa valve ya chipata chotere ndi koipa, koma kukana kutentha kwambiri, kukana kuwonongeka, komanso mphamvu zabwino zamakanika. Monga chitsulo + chitsulo; chitsulo + mkuwa; chitsulo + graphite; chitsulo + alloy chitsulo; (angagwiritsenso ntchito chitsulo chopangidwa ndi chitsulo, alloy chitsulo, alloy utoto wopopera, ndi zina zotero).
Chachiwiri, njira yomangira
Makampani opanga makina ali ndi malo ovuta kugwira ntchito, ambiri mwa iwo ndi kutentha kochepa kwambiri komanso kuthamanga pang'ono, kukana kwa media kwambiri, komanso kuwononga. Tsopano, kupita patsogolo kwaukadaulo kwapangitsa kuti ma valve olimba azigwiritsidwa ntchito kwambiri.
Kuti tiganizire za ubale womwe ulipo pakati pa kuuma kwa chitsulocho, valavu yolimba, ndi kutseka kofewa, thupi la valavu liyenera kulimba, ndipo mbale ya valavu ndi mpando wa valavu ziyenera kupitiliza kupukutidwa kuti zitsekedwe. Nthawi yopangira valavu yolimba ndi yayitali kwambiri.
Chachitatu, kugwiritsa ntchito zinthu
1, chisindikizo chofewa chingathe kutayikira zero, chisindikizo cholimba chingasinthidwe malinga ndi zofunikira za pamwamba ndi pansi;
2、Zisindikizo zofewa zimatha kutuluka madzi kutentha kwambiri, muyenera kusamala popewa moto, ndipo zisindikizo zolimba sizidzatuluka madzi kutentha kwambiri. Chisindikizo cholimba cha valavu yotsekedwa mwadzidzidzi chingagwiritsidwe ntchito pakapanikizika kwambiri, chisindikizo chofewa sichingagwiritsidwe ntchito.
3, pa zinthu zina zowononga, chisindikizo chofewa sichingagwiritsidwe ntchito, mungagwiritse ntchito chisindikizo cholimba;
4, kutentha kotsika kwambiri, zinthu zofewa zosindikizira zimakhala ndi kutayikira, kusindikiza kolimba si vuto lalikulu;
Chachinayi, kusankha zida pa
Magawo onse awiri otsekera amatha kufika asanu ndi limodzi, nthawi zambiri kutengera njira yogwiritsira ntchito, kutentha, ndi kupanikizika kuti musankhe valavu yoyenera ya chipata. Pazinthu zonse zomwe zili ndi tinthu tolimba kapena abrasive, kapena kutentha kukapitirira madigiri 200, ndibwino kusankha valavu yolimba. Ngati mphamvu ya valavu yotseka ndi yayikulu, muyenera kusankha kugwiritsa ntchito valavu yolimba yokhazikika.
Zisanu, kusiyana kwa moyo wautumiki
Ubwino wa chisindikizo chofewa ndi kutseka bwino, vuto lake ndilakuti n'losavuta kukalamba, kusweka ndi kung'ambika, komanso moyo wake ndi waufupi. Moyo wa ntchito yotseka mwamphamvu ndi wautali, ndipo magwiridwe antchito otseka ndi oipa kuposa kutseka kofewa, ziwirizi zimatha kuthandizana.
Izi ndi kusiyana pakati pa valavu yofewa yotsekeredwa ndi valavu yolimba yotsekeredwa, ndikuyembekeza kukuthandizani pantchito yogula.
