Muindasitiri yemazuva ano,mapaipi esimbi ane ductileanoshandiswa zvakanyanya mukuwanikwa kwemvura, kuyerera kwemvura, kutapurirana kwegasi nedzimwe nzvimbo dzakawanda nekuda kwekushanda kwawo kwakanaka. Kuti tinzwisise zvakadzama mashandiro emapombi esimbi ane ductile, dhayagiramu yesimbi yemapaipi esimbi ane ductile inoita basa rakakosha. Nhasi, tichakurukura basa remadhayagiramu esimbi emapaipi esimbi ane ductile zvakadzama, uye tichatarisa pakuongorora kukosha kwakanaka kunounzwa neDINSENMapaipi esimbi ane ductile anosvika padanho rekutanga re spheroidization. Mufananidzo unotevera mufananidzo wedhiragiramu yesimbi yeDINSEN ine ductile iron.
Muchidimbu, madhayagiramu esimbi mifananidzo yechimiro chemukati mesimbi chinoonekwa nema microscopes esimbi nezvimwe zvishandiso mushure mekugadzirira sampuli chaiyo yezvinhu zvesimbi. Kune mapaipi esimbi ane ductile, madhayagiramu avo esimbi anoratidza ruzivo rwakakosha senge mamiriro ekugoverwa, hunhu hwechimiro uye mwero we spheroidization yesimbi ine ductile mu matrix yesimbi yakakandwa. Pakugadzirira masamples esimbi, maitiro ekushanda akatetepa akadai sekucheka, kukuya, kupukuta uye ngura zvinodiwa. Kucheka kunofanirwa kuve nechokwadi chekuti masamples akasarudzwa anogona kumiririra hunhu hwepombi yese; maitiro ekukuya anobvisa zvishoma nezvishoma kukuvara kwepamusoro kunokonzerwa nekucheka, kuitira kuti kutsetseka kwepamusoro kusvike pane zvinodiwa; kupukuta kunoita kuti pamusoro pemuenzaniso pave pakanaka segirazi, kuitira kuti chimiro chemukati chigone kuratidzwa zvakajeka mushure mekurapwa kwengura; ngura kushandiswa kwema reagents emakemikari kuita nemaumbirwo akasiyana esimbi kusvika padanho rakasiyana, kuitira kuti tiratidze mutsauko wakajeka muchimiro chesangano pasi pe microscope. Kuburikidza nenhevedzano iyi yekushanda, tinogona kuwana diagram yesimbi inogona kuratidza nemazvo chimiro chepombi dzesimbi dzine ductile.
Ongororo yekushanda kwezvinhu:Kushanda kwemapaipi esimbi ane ductile kwakabatana zvikuru nemamiriro emapundu egrafiti. Kubva padhayagiramu yemetallographic, tinogona kuona saizi, huwandu uye kupararira kwemapundu egrafiti. Hukuru hwemapundu egrafiti hunokanganisa zvakananga hunhu hwesimbi yakakandwa. Mapundu madiki uye akakandwa zvakaenzana egrafiti anogona kuvandudza simba nekusimba kwesimbi yakakandwa. Semuenzaniso, kana mapundu egrafiti ari madiki uye akakandwa zvakaenzana, anogona kuparadzira kushushikana zvakaenzana uye kuderedza kushushikana kana akapinzwa mumasimba ekunze, kuitira kuti mapundu esimbi ane ductile ave nehunhu hwekudzvanywa uye kudhonzwa zviri nani. Dhayagiramu yemetallographic yakaita sebhuku rekodhi rehunhu hwezvinhu. Nekududzira, vaongorori vanogona kuwana kunzwisisa kwakadzama kwehukama huripo pakati pechimiro chemukati uye hunhu hwezvinhu, uye kupa hwaro hwekugadzirwa kwezvinhu zvepayipi yesimbi ine ductile yemhando yepamusoro.
Kudzora mhando:Mukugadzirwa kwemapombi esimbi akagadzirwa nesimbi, madhayagiramu esimbi inzira yakakosha yekudzora mhando. Boka rega rega remapombi esimbi akagadzirwa nesimbi anofanirwa kuongororwa nesimbi. Nekuenzanisa dhayagiramu yesimbi neatlas yakajairwa, zvinogona kuonekwa kana chigadzirwa ichi chinosangana nezvinodiwa zvemhando yepamusoro. Kana dhayagiramu yesimbi ichiratidza kuti spheroidization yemabhora egirafiti haina kunaka, senge huwandu hwakawanda hwegrafiti yeflake kana mwero wakaderera wespheroidization, mashandiro eboka rezvigadzirwa anogona kusasangana nezvinodiwa zvinotarisirwa. Kune vagadziri, kuona matambudziko emhando yakadaro nenguva kunogona kudzivirira zvigadzirwa zvisina kukodzera kupinda mumusika uye kuderedza kurasikirwa kwehupfumi. Izvi zvinobatsirawo kuvandudza maitiro ekugadzira uye kuvandudza kugadzikana kwemhando yechigadzirwa.
Kuongorora kukundikana:Kana mapaipi esimbi ane ductile akakundikana kana kutadza kushanda panguva yekushandiswa, madhayagiramu esimbi anogona kupa zviratidzo zvakakosha kuti uzive chikonzero chekukundikana. Semuenzaniso, kana mapaipi akaputika, nekuongorora dhayagiramu yesimbi iri pedyo nechikamu chakaputika, zvinogona kuwanikwa kuti mwero we spheroidization wema graphite nodules unoderera, zvichikonzera kudzikira kwekusimba kwezvinhu uye kuputsika kwe brittle pasi pesimba rekunze kwenguva refu; kana nekuda kwetsvina kana zvikanganiso muchimiro, ngura inokonzerwa nemamiriro ezvinhu chaiwo, izvo zvinozopedzisira zvaita kuti mapaipi akundikana kushanda. Mushure mekunge chikonzero chekukundikana chajekeswa kuburikidza nekuongorora metallographic, matanho ekuvandudza akanangana anogona kutorwa, akadai sekugadzirisa maitiro ekugadzira, kugadzirisa fomura yezvinhu zvisina kucheneswa, nezvimwewo, kuvandudza hupenyu hwebasa uye kuvimbika kwemapaipi esimbi ane ductile.
Mwero weSpheroidization chiratidzo chakakosha chekuyera mhando yemapombi esimbi ane ductile. Izvi zvinoratidza mwero we graphite spheroidization. Mwero we spheroidization wakakwira, chimiro chema nodules e graphite chinowedzera kusvika padenderedzwa rakakwana uye kupararira kwacho kwakafanana. Zvichienderana nezvinodiwa, mwero we spheroidization unowanzo kamurwa kuita mazinga akasiyana, kazhinji kubva padanho rekutanga kusvika padanho rechitanhatu, nedanho rekutanga rine mwero wepamusoro we spheroidization uye danho rechitanhatu rine mwero wakaderera we spheroidization.
Mwero weSpheroidization weDanho 1: Kune mapaipi esimbi anosvika padanho rekutanga reSpheroidization, ma "graphite nodules" ari mukati anenge ese akaita denderedzwa rakakwana, akafanana muhukuru, uye akapararira zvakanyanya uye akapararira zvakaenzana. Iyi microstructure yakanaka inopa mapaipi esimbi akasimba hunhu hwakanaka hwemakanika. Panyaya yesimba, inogona kutsungirira kumanikidzwa kwakakwira, uye inogona kuchengetedza chimiro chakasimba kungave yakavigwa zvakadzika muvhu kuti itsungirire kumanikidzwa kwevhu kana painoburitsa mvura ine kumanikidzwa kwakakwira. Panyaya yekusimba, mapaipi esimbi akasimba ane chiyero cheSpheroidization che1 ane kudziviswa kwakanaka kwekukanganisa. Kunyangwe mumamiriro ezvinhu akaomarara e geology, akadai senzvimbo dzinogara dzichiwirwa nekudengenyeka kwenyika, anogona kudzivirira zvinobudirira kukanganiswa nezvinhu zvakaita sekusuduruka kwevhu, zvichideredza zvikuru njodzi yekuputika kwepaipi. Panguva imwe chete, chiyero chakanaka cheSpheroidization chinobatsirawo kuvandudza kudziviswa kwekuora kwepaipi, nekuti kugoverwa kwakafanana kwemabhora egraphite kunoderedza ngura yemagetsi inokonzerwa nekusiyana kwezvikamu.
Mhedzisiro yemazinga akasiyana ehuwandu hwespheroidization pakushanda:Sezvo mwero we spheroidization uchidzikira, chimiro chemabhora e graphite chinosiyana zvishoma nezvishoma nechimiro chedenderedzwa, uye graphite yakaita se elliptical, yakafanana nehonye uye yakafanana ne flake inoonekwa. Aya ma graphite asina kurongeka zvakanaka achaumba nzvimbo dzekumanikidzwa mukati mechinhu, zvichideredza simba nekusimba kwechinhu chacho. Semuenzaniso, mabhora e graphite emapombi esimbi ane mwero we spheroidization we 3 haasi akafanana neaya edanho rekutanga, uye kugoverwa kwawo hakuna kuenzana. Kana akaiswa pasi pekumanikidzwa kwakafanana, anogona kunge akaremara munharaunda kana kutoputika. Panyaya yekudzivirira ngura, mapombi ane mwero wakaderera we spheroidization anonyanya kukanganiswa ne electrochemical corrosion nekuda kwekusaenzana kwe microstructure, nokudaro achipfupisa hupenyu hwebasa hwepombi.
Hunhu hwakanaka hwemakanika:Mapaipi esimbi eDINSEN ane simba guru uye kusimba zvakanyanya nekuda kwehuwandu hwawo hwe spheroidization yegiredhi rekutanga. Mumapurojekiti ekupa mvura, anogona kutsungirira kumanikidzwa kwemvura kwakanyanya, kuona kuti mvura inogadzikika, uye kuderedza kuitika kwetsaona dzekuputika kwemapaipi. Mumasystem ekubvisa mvura, anotarisana nezvinodiwa zvekuyerera kwemvura zvakanyanya panguva imwe chete mumamiriro ekunze akaipisisa akadai semvura zhinji, simba rawo guru uye kusimba kwakanaka kunogona kuita kuti paipi isakuvadzwe nekukanganiswa kwemvura. Mundima yekutumira gasi, kutapurirana kwegasi rine simba guru kunoda simba guru repaipi. Mwero we spheroidization yegiredhi rekutanga yemapaipi esimbi eDINSEN anoita kuti ikwanise zvizere basa iri, ichivimbisa kutapurirana kwegasi kwakachengeteka uye kwakavimbika.
Hupenyu hwebasa refu:Magadzirirwo akafanana emapaipi esimbi eDINSEN ductile iron anowanikwa mugiredhi rekutanga anobatsira zvikuru kudzivirira ngura yemapaipi esimbi eDINSEN. Ingava munzvimbo ine hunyoro pasi pevhu kana munzvimbo inobuda mvura yetsvina mumaindasitiri ine ngura, kudzivirira kwayo ngura kwakanyanya kupfuura mapaipi ane mwero wakaderera we spheroidization. Izvi zvinoreva kuti panguva yekushandiswa kwemapaipi esimbi esimbi eDINSEN ductile iron, ukobvu hwemadziro epaipi hunoderera zvishoma nezvishoma, uye hunogona kuramba huchishanda zvakanaka kwenguva yakareba, huchiwedzera hupenyu hwepaipi uye hunoderedza mari yekutsiva nekugadzirisa.
Kuchinjika kwekushandisa kwakakura:Nekuda kwekushanda kwayo kwakanaka, mapaipi esimbi eDINSEN anogona kuchinjika munzvimbo dzakasiyana-siyana dzakaoma dzeinjiniya uye zvinodiwa zvekushandisa. Ingave munzvimbo dzinotonhora dzekuchamhembe, inokwanisa kugadzikana nekumanikidzwa kunokonzerwa nekuwedzera kwechando chemvura mupaipi munguva yechando, kana munzvimbo dzinopisa uye dzinonaya mvura kumaodzanyemba, inodzivirira ngura munzvimbo dzine hunyoro. Inoshanda zvakanaka mukuvaka zvivakwa zvemaguta, mainjiniya emaindasitiri uye kudiridza kwekurima, uye inopa mhinduro dzakavimbika dzemapaipi ekuvandudza maindasitiri akasiyana.
Muchidimbu, dhayagiramu yesimbi yemapombi esimbi ane ductile ine basa guru mukutsvaga zvinhu, kudzora mhando uye kuongorora kukundikana. Mwero wespheroidization, kunyanya mwero we1st level spheroidization wakawanikwa neDINSEN ductile iron pipes, unokosha zvikuru mukuvandudza mashandiro emapombi esimbi ane ductile, kuwedzera hupenyu hwawo hwekushanda uye kusangana nezvinodiwa zvakasiyana-siyana zvekushandisa. Kuburikidza nekunzwisisa kwakadzama kwemadhayagiramu echikamu chemetallographic uye mwero wespheroidization, tinogona kunzwisisa zviri nani mapombi esimbi ane ductile, chinhu chakakosha cheindasitiri, uye kupa mukana wakazara kune zvakanakira mashandisirwo awo.
Nguva yekutumira: Kurume-21-2025
