Mwedzi wapera, ndakashanyira mumwe mainjiniya mukuru pafekitori yezvinhu zvinoramba kurira muHebei. Achinongedzera kune imwe sampuro ichangobva kutorwa muchoto, akandiudza kuti, “Tarisa chikamu ichi. Kuwedzerwa kwe'green silicon carbide micropowder' kunoita mutsauko chaiwo; makristaro acho akasimba, uye ruvara rwacho rwakarurama.” “Green silicon carbide micropowder” yaakataura ndiyo nyaya yekukurukura kwedu nhasi—upfu hwegirini hwesilicon carbideKunyange zvazvo ichi chinhu chinozivikanwa muindasitiri yekubvisa mabara, mashandisirwo ayo matsva mumunda wezvinhu zvinoramba kushandiswa mumakore achangopfuura ave anoshamisa zvechokwadi.
Ungasazvitenda, asi green silicon carbide micropowder pakutanga yaingova "chinhu chinotsigira" muzvinhu zvinoramba kusimba. Mumakore apfuura, vamwe vagadziri vaiwedzera huwandu hushoma kuti vawedzere kuramba kusimba kwezvimwe zvigadzirwa zvinoramba kusimba. Zvisinei, mumakore mashanu kana matanhatu apfuura, mamiriro acho akachinja zvachose. Sezvo maindasitiri akaita sesimbi, simbi dzisina ferrous, uye ceramics zvichiwedzera kudiwa kwemakiln—zvichida kuramba kusimba zvakanyanya, kuramba kusimba, uye kugara kwenguva refu—magadzirirwo ezvinhu zvinoramba kusimba ave kuramba asina kukwana. Panguva ino, mainjiniya ezvinhu akadzokera ku "shamwari yekare" iyi, ndokuzowana kuti, kana ikashandiswa nemazvo, yaive "pfuma" chaiyo.
Kuti tinzwisise kuti sei ichifarirwa, tinofanira kutarisa simba rayo guru. Chekutanga, haipise kupisa.Kabhidhi yegirini yesiliconInodzivirira kupisa zvakanyanya kana tembiricha yakakwira kupfuura zvinhu zvakawanda zvechinyakare, ichiramba yakasimba kunyangwe pa1600℃ kana kupfuura, izvo zvinoita kuti makiln anodziya zvakanyanya agare kwenguva refu. Chechipiri, ine kuomarara kwakanyanya uye inodzivirira kupera, zvichiita kuti ive yakakodzera nzvimbo dzakakanganiswa nekukukurwa kwezvinhu, senge ma "blast furnace tapholes" uye ma "linings" emibhedha inoyerera mvura. Chechitatu, uye chakakosha, ine conductivity yakanaka yekupisa. Hunhu uhwu, dzimwe nguva hunoonekwa sedambudziko (sezvo hunogona kuwedzera kurasikirwa nekupisa), hwava kushandiswa ikozvino—hwave mukana muzvivakwa zvinoda kutamiswa nekukurumidza uye kwakafanana kwekupisa kana kudzivirira kupisa.
Zvinhu izvi zvinoshandurwa sei kuti zvive mashandisirwo azvo? Regai ndikuudzei mienzaniso mishoma yandakaona nemaziso angu.
Pafekitori hombe yesimbi muShandong, nguva yekushanda kwemachira emota dzavo dze torpedo ladle (machira makuru anoshandiswa kutakura simbi yakanyungudutswa) yakanga yakaderera nguva dzose. Gare gare, timu yehunyanzvi yakawedzera hupfu hwe silicon carbide hwegirini hwehukuru hwechimedu kune chinhu chinokandwa, uye chishamiso chakaitika. Hupfu hutsva hahuna kungoratidza chete kusimba kwakanyanya pakukanganiswa nekukanganiswa kwesimbi yakanyungudutswa uye kurwiswa kwetsvina, asiwo, nekuti hupfu hudiki hwakazadza maburi ari mu matrix, hwakaita kuti pave nechimiro chakasimba. Mumwe mainjiniya wepanzvimbo iyi akandiudza kuti, "Kare, hupfu hwaida kugadziriswa zvakanyanya mushure mekushandiswa kunosvika mazana maviri; ikozvino hunopfuura nyore nyore kushandiswa mazana matatu nemakumi mashanu. Izvi zvega zvinochengetedza mari yakawanda pamari yekugadzirisa yegore negore uye kurasikirwa nenguva yekuzorora."
Imwe nzira yekuchenjera iri muzvinhu zvinodzivirira kupisa zvine mwero. Mune mamwe maovheni epamusoro, zvikamu zvakasiyana zvinotarisana nenzvimbo dzakasiyana zvikuru. Dzimwe nzvimbo dzinoda kudzivirira kupisa zvakanyanya, dzimwe dzinoda kudzivirira kupisa, uye dzimwe dzisingapindi mvura. Nzira yekuchenjera haisisiri yekushandisa chinhu chimwe chete pazvinhu zvese, asi kushandisa mafomura akasiyana muzvikamu zvakasiyana. Green silicon carbide micropowder inoita basa rakakosha pano - zvakawanda zvinogona kuwedzerwa kune jira rekushanda rinobata zvakananga simbi yakanyungudutswa inopisa zvakanyanya, uchishandisa kudzivirira kwayo kukuru kwekukukurwa; muchikamu chepakati chebuffer, chiyero chinogona kugadziriswa kuti chiwedzere kuenderana kwekuwedzera kwekupisa; uye muchikamu chemashure, hupfu hushoma kana kuti husina hupfu hunogona kushandiswa. Nzira iyi yezvikamu inovandudza mashandiro ese uye hupfumi. Kambani iri muZhejiang inogadzira fenicha yakakosha yeceramic kiln yakawedzera hupenyu hwefenicha yayo yekiln neinopfuura 40% ichishandisa nzira iyi.
Ungabvunza kuti, sei tisingangowedzera zvidimbu zvakakora? Sei tichifanira kusimbirira pa "micropowder"? Chinokosha chiri mukukwanisa kwayo kwete kungoshanda sechikamu chekusimbisa chete asiwo kutora chikamu mukuita kwechinhu ichi. Pakupisa kwakanyanya, zvidimbu izvi zvakanaka kwazvo zvine basa repamusoro, zvichikurudzira kusviba uye zvichibatsira kuumba chisungo chakasimba checeramic. Panguva imwe chete, inoshanda se "jecha" rakanakisisa, ichizadza zvizere mipata iri pakati pezvimwe zvidimbu zvakasanganiswa, ichideredza zvakanyanya kukora. Nechinhu chakasimba, slag inokuvadza uye alkaline vapors hazviwanzo kupinda nekukonzera kukuvara. Ndakaona data rekuyedza richiratidza kuti kune zvinhu zvinogadziriswa zvinoramba kushanda zvine fomura imwechete, kuwedzera huwandu hwakakodzera hwe green silicon carbide micropowder kunogona kuwedzera simba re flexural rinopisa ne20%-30%, uye kuvandudzwa kwekusapinda kwemvura kwakanyanya kukosha.
Ehe, zvinhu zvakanaka hazvisi zvinhu zvaunongoisa zvisina kurongeka. Chiyero, dhizaini yekugovera zvidimbu, uye mashandisirwo azvo nezvimwe zvinhu (zvakadai sebauxite, corundum, uye alumina micropowder) zvinhu zvakaoma. Zvishoma hazvizove nemigumisiro inoonekwa, nepo zvakawanda zvingakanganisa kushanda kana kudhura zvakanyanya, dzimwe nguva zvichitokonzera mamwe matambudziko (akadai sekunzwa kune mamwe mamiriro ekunze anoderedza). Izvi zvinoda kuti mainjiniya aite bvunzo dzakadzokororwa kuti awane "chiyero chakanaka." Mumwe mainjiniya wekare akambondiudza fananidzo yakakodzera: "Kugadzirisa fomura kwakafanana nachiremba wemishonga wechiChinese anonyorera mushonga; chiyero chechinhu chimwe nechimwe chinofanira kunyatsofungwa nezvacho."
Panguva ino, ungave wakaona kuti basa re green silicon carbide micropowder muzvinhu zvinoramba kurira riri kuchinja kubva pa "kuwedzera" kuri nyore kuenda ku "key modifier" inogona kushandura marongerwo echinhu chacho uye hunhu hwacho. Hazvingounzi chete kuvandudzwa mune zvimwe zviratidzo asiwo zvinowedzera mikana yekugadzira zvinhu. Iye zvino, kunyange mamwe masangano ekutsvagisa ari kudzidza maitiro ekuchisanganisa ne nanotechnology uye tekinoroji ye in-situ reaction kuti vagadzire chizvarwa chinotevera chezvinhu zvinoramba kurira zvine hungwaru uye zvinogara kwenguva refu.
Kubva pakuva nyanzvi muindasitiri yekupisa kusvika kunyeredzi iri kukura mumunda wezvinhu zvinoramba kushandiswa, nyaya yegreen silicon carbide micropowder inotiudza kuti kufambira mberi kwetekinoroji kunowanzo kuve mukubatanidzwa kwezvinhu zvakasiyana-siyana uye kuwanikwa kutsva muzvinhu zvekare. Zvakafanana nezvinonhuwira zvakakosha mukubika; zvichishandiswa nemazvo uye patembiricha yakakodzera, zvinogona kusimudzira ndiro yese kusvika padanho repamusoro. Nguva inotevera paunoona maovheni emazuva ano achishanda nguva dzose mumoto, unogona kufungidzira kuti mukati mejira rawo rakasimba, makristaro madiki asingaverengeki ari kutamba basa rakakosha rekutsigira. Izvi pamwe ndizvo zvinokwezva zvesainzi yezvinhu—zvinogona kugara zvichitumbuka maruva matsva munzvimbo dzechinyakare.