ZVINHU ZVAKAKOSHA ZVE SIRONI YEMUNHARAUNDA UYE KUDZORA KWAKASIMBA MUSARUDZO YEZVINHU ZVISINGAGONEKI
Handan inozivikanwa zvikuru nekuda kwenguva yayo yakareba yekukanda simbi nesimbi, kambani hombe pasi rose iri kuwana simbi yekutanga kushanda nemafekitori ekuEurope neAmerica kubvira kuma1970. Iron ore iyi ine matani mamiriyoni 550, ine simbi yepamusoro ye42% pamwe ne sulfure, phosphorus nezvimwe zvinhu zvinokuvadza pamwe chete ne cobalt, chromium nezvimwe zvinhu. Iron ore yedu yemhando ye GG20 inoshandiswa kugadzira mapaipi ne fittings inosarudzwa zvakanyanya nekutarisa kwakasimba nemidziyo yazvino kuti ive nechokwadi chekuti simba rekusimba uye zvimwe zvinhu zvinovaka.
Kupisa kwepakati pevhu kunokanda kubva kuChina kuti kubudise mvura mumapaipi
Kugadzirwa kwemapaipi esimbi akaumbwa neDinsen foundry kwaive kwemould inotonhodza mvura, iyo inodhura basa rakawanda uye kushanda nekungwarira kuti ive nechokwadi chekudzora mhando, asi mari inoshandiswa pakugadzira pombi yacho ishoma, izvo zvakakodzera kutanga pouldry. Nekuvandudzwa uye zvinodiwa nezvakatipoteredza muChina, Dinsen yakatanga kushandisa tekinoroji yekupisa pould centrifugal casting kuti igadzire mapaipi muna 2019. Nzvimbo yakatsetseka inobatsira kuvandudza kushandiswa kwejira repamusoro.
Zvishandiso zvesimbi zvakakandwa mumutsara wekukanda jecha reDisa-matic uye wekukanda jecha regirini, kuitira kuti DINSEN igadzire vhoriyamu diki uye dhizaini yakakosha.
Pendi yeEpoxy yepamusoro-soro yemapaipi evhu esimbi yakakandwa
Kupenda kunotora basa rakakosha zvikuru pakushanda kwepombi dzesimbi. Sezvo mhando yechigadzirwa chekukanda ichichinja kuva chinhu chimwe chete kana kuti chinoenderana, tekinoroji yekupenda ndiyo nzira yekuziva musiyano wemhando kubva kune mhando dzakasiyana.
Mushure mekutsvaga nekuyedza kwemakore mazhinji, Dinsen akauya nemidziyo yekuyedza tembiricha muna 2017 kuti aongorore kunaka kwe coating nguva dzose, akawana uye akagadzira pendi dze epoxy dzemhando yepamusoro dzakakodzera pombi yesimbi yeChina, uye dzakanyatsoenderana neEN 877.
Mapaipi eTML, BML neMLK emvura inorasika ine simba, epoxy yejira rinorema rakagadzirwa zvizere. Kuputira kwemukati kunoiswa muukobvu hwemachira maviri hunosvika 240 µm.
Zvishandiso zveMLK, BML zvine pendi yakasimba, inodzivirira makemikari uye isina maburi yepoda epoxy mukati nekunze.
ZINCHI ZVINOVHARWA PAPAI DZAKATENZWA
Mapaipi eTML neMLK pamwe chete nemapaipi emvura eMLB ane chifukidziro chekunze chine jira rakawanda, chine zinc layer pasi pe epoxy coat iyo inopa dziviriro imwe chete inodiwa pakushandiswa kwayo senge gungwa, chipatara, uye mugero.
Wagadzirira here kuziva kuti tingakubatsira sei kuti ubudirire?
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