Zvinhu zvinogadziriswa nemichina yekuomesa hazviverengeki. Kunze kwekusiyana kweiyo physicochemical zvimiro zvezvakasiyana zvinhu uye zvinodiwa zvechigadzirwa, iyo thermophysical zvimiro zvemidziyo panguva yekuomeswa uye izvo zvinodikanwa zvemidziyo yekuomesa system panguva yekudziya zvakare zvakakosha zvevagadziri. Ichi chinyorwa chinopa dzimwe nzira dzekusarudza zvinhu mukuomesa michina yereferensi yevagadziri.
Hunhu hwekuomesa Equipment
Kusvika pari zvino, mazana emhando dzemidziyo yekuomesa akabudirira kugadzirwa, ane anopfuura zana anowanzoshandiswa mukugadzirwa kwemaindasitiri. Kune zvakare nzira dzakasiyana dzekuisa midziyo yekuomesa. Zvichienderana nemaitiro ekupisa mukuomesa, anogona kukamurwa kuita maconvection dryer (seanoomesa mhepo, spray dryer, rotary quick dryer, fluidized bed dryer, etc.), conduction dryer (senge rake dryer, roller dryer), uye radiation dryer (senge microwave dryer, kure{3}}infrared dryer). Pamusoro pezvo, kune michina yekuomesa iyo inosanganisa akati wandei nzira dzekupisa kupisa, senge paddle dryer.
Zviya zvekuomesa zvakawanda hazvisi-midziyo yakajairwa, zvikuru nekuti muomesi wega wega unogadzira zvinhu zvakasiyana, uye mizhinji yekuomeswa kwemamiriro ezvinhu inoshanduka zvichienderana nechinhu chacho, zvichiita kuti pave neshanduko muchimiro chemuomesi nezvinhu. Naizvozvo, zvakakosha kutsanangura zvakajeka maparamendi echinhu chinoomeswa, senge mamiriro ezvinhu, mhando dzehunyoro hwemukati, kubuda, hunhu hwezvinhu panguva yekuomeswa, kuvepo kwekuora, kupisa uye kuputika, kugadzirwa kwemagetsi static, zvinodiwa zvechigadzirwa, uye tembiricha yethermosensitive, kuitira kuti uone maparamita akasiyana emuomesi. Nechikonzero ichi, ma dryer mazhinji haagone kugadzirwa-yakawanda; saka, nzira yekugadzira inofanira kutarisisa kune chaiyo yezvinyorwa uye kugadzirisa kwayo kumamiriro ekushanda.
Nzira yekusarudza yemidziyo inoshandiswa mukuomesa inozikanwa-. Izvo zvinhu zvemidziyo yekuomesa chinhu chakakosha mumutengo weiyo yekuomesa unit, uye zvine musoro kusarudzwa kwezvinhu inzira yakakosha yekudzora mitengo yemidziyo. Kazhinji, zvinhu zvinotevera zvinofanirwa kutariswa pakusarudza zvinhu zvekuomesa midziyo: Kuzadzikisa zvinodiwa zvezvinhu zviri kugadziriswa. Basa guru rekuomesa midziyo ndeyekuomesa chinhu chakapiwa. Nekuda kwekuti ma dryer anobata zvakasiyana-siyana zvezvinhu, zvinofukidza minda yakawanda sezviyo, chikafu, mishonga yemishonga, makemikari, zvigadzirwa zvemusango, mapepa, uye simbi, huwandu hwezvigadzirwa hauverengeki. Zvinodiwa zvezvinhu zviri kuomeswa zvinosiyana zvikuru. Semuenzaniso, makemikari reagents, mishonga, zvemagetsi, uye magetsi ceramic zvinhu hazvifanirwe kusanganiswa neaoni esimbi panguva yekuomesa; saka, carbon steel zvinhu zvinofanira kudziviswa mukusarudza michina. Uyezve, kana hunyoro huri muchinhu huine acids, alkalis, munyu, kana organic solvents, inogona kukanganisa simbi dzakasiyana. Kuora uku kunowedzera, kunyanya panguva yekupisa. Nokudaro, zvinhu zvakakodzera zvinofanira kusarudzwa zvichienderana neunhu hwehunyoro huri mune zvinyorwa.
Nezve kusarudzwa kwezvinhu kunoenderana nemhando yekuomesa, sezvambotaurwa, kune marudzi akasiyana-siyana emaomesa, imwe neimwe iine akasiyana anoshanda musimboti. Naizvozvo, izvi zvinofanirwa kutariswa zvizere pakusarudza zvinhu. Semuenzaniso, pakuomesa magnesium oxide mune inoyerera yemhepo, iyo yakakwira velocity yechinhu mupombi yekuyerera kwemhepo uye kuoma kwemagnesium oxide kunokonzera kusakara kwakanyanya pamabhendi epombi yekuomesa. Naizvozvo,-mushonga usingapfeki kana kupfeka-zvisingachinjiki zvinofanirwa kugadzirwa munzvimbo ino. Uyezve, simbi isina tsvina ine yakanyanya kudzika yekupisa conductivity pane kabhoni simbi. Naizvozvo, mukuomesa michina uko conduction ndiyo yekutanga kupisa kupisa nzira, kana simbi isina tsvina yakasarudzwa sechinhu chikuru, nzvimbo yekutsinhanisa kupisa inofanira kuverengerwa zvichienderana nekupisa kwekupisa kwesimbi isina tsvina. Mienzaniso yeuinjiniya inoratidza kuti kana uchisarudza simbi inodziya inopfungaira, simbi isina tsvina inoda 30% yakawanda nzvimbo kupfuura kabhoni simbi.
Kusarudzwa kwezvinhu zvekugadzirisa kuoma kunosiyana zvichienderana nezvinhu uye kuomesa mamiriro. Ndakambogadzira-muto wekuomesa tembiricha wepamusoro uyo panguva imwe cheteyo unoomesa munyu usina organic uye unotanga kuita polymerization. Tembiricha yemhepo yekuomesa yaidiwa yaipfuura 800℃, izvo zvaida kushandiswa kwesimbi inodhura yakakwirira-inoshingirira kusimba. Zvisineyi, tichitarisa kuti hadzisi dzese dzimba dzekuomesa dziri munzvimbo yekupisa-yakakwirira, kuverenga kwakaratidza kuti yakakwirira-inodzivirira kupisa yakashandiswa chete munzvimbo yepamusoro-yekupisa. Yave ichishanda semazuva ese kwerinopfuura gore zvino.
Kusarudzwa kwezvinhu kunoenderana nenzvimbo yekuisa michina: Muzviitiko zvakawanda, kunyangwe kana mamiriro ari pamusoro akazadzikiswa, zvinodikanwa zvenzvimbo yekuisa michina pazvinhu zvinofanirwa kutariswa. Kana iyo michina yakaiswa muchirimwa chemakemikari, kuparara kwenzvimbo kune michina, control system, uye magetsi system inofanirwa kunyatso tariswa kugadzira inonzwisisika dhizaini mhinduro.
Corrosion dziviriro nzira dzekuomesa michina: Michina yekuomesa yakawanda ine zvikamu zvakasungwa, mahwendefa, uye masilinda. Corrosion kudzivirira kurapwa kunodiwa kune dryer dzemashandisirwo akasiyana. Pazasi pane zvimwe zviitiko mukudzivirira ngura yezvinhu uye nzira dzekugadzira.
Phosphating-passivation process: Mukugadzira michina yekuomesa mebhedha inozunguza, 70% yezvikamu zvacho zvakagadzirwa nekabhoni simbi. Nguva yakareba yekuchinja pakati pemaitiro inokonzera kuwanda kwemarara kuumba pamusoro pepamusoro, inoda basa rinokosha remaoko rekubvisa ngura isati yapenda. Phosphating-passivation, kubudikidza neelectrochemical reaction, inobata ngura-yakavharwa simbi inogadzirwa nechinhanho chimwe chete, ichiratidza ruvara rwesimbi rwepakutanga panguva imwe chete ichigadzira dense anti-firimu rekudzivirira ngura. Iyi firimu inokwanisa kumira kuratidzwa nemhepo ine mwando kwemazuva anopfuura gumi pasina ngura. Kushanda kwayo kuri nyore, kunonatsiridza nharaunda yekushanda, kunoderedza kuwanda kwevashandi, uye kunochengetedza vashandi nezviwanikwa. Iyo phosphating{10}passivation solution ine emulsifiers, molybdates, soluble phosphates, nemaasidhi akasiyana siyana. Iyi nzira haingoshande kune ambotaurwa mhando dzemuchina asi inogona zvakare kushandiswa kudzivirira ngura yemamwe maumbirwo akafanana kana mafuremu.
Kuiswa kweelectrostatic powder coating mukugadzirwa kwemichina yekuomesa: Pendi yechinyakare zvinwiwa zvine ester yakawanda, ketones, uye mahydrocarbons, zvichikonzera matambudziko akawanda mukugadzira, kuchengetedza, kufambisa, nekuvaka. Zvinopisa, zvinoputika, uye hazvina kuchengeteka zvakanyanya. Nekuda kwehuchetura hwadzo, dzinopinda mumhepo, dzichisvibisa zvakatipoteredza. Naizvozvo, vagadziri vekumba uye vekune dzimwe nyika vakazvipira kugadzira mhando nyowani dzemachira dzinoshandisa zvishoma kana pasina mhinduro. Imwe mhando itsva yakadaro yekuputira ihupfu.
Kavha yepamusoro pemubhedha wekuomesa mvura inozunguzika kazhinji inogadzirwa nesimbi inotonhora{{0}yakakungurutswa, zvichikonzera kudhura. Chikonzero chekushandisa simbi isina tsvina pachinzvimbo cheyakajairwa kabhoni simbi ndechekuti iyo midziyo inosangana nezvinhu zvakasiyana-siyana zvinoparadza uye magasi panguva yekushanda, uye simbi isina tsvina ine yakanakisa corrosion resistance; nokudaro, -yakakungurutswa simbi isina tsvina inoshandiswa.
Electrostatic spraying of polyester resin poda coatings pane yakajairwa kabhoni simbi inogonesa kusakara kunofananidzwa nesimbi isina tsvina. Nekuti iyi mhando yehupfu yekuputira yakaoma, yakasimba, uye ine yakanaka yekushongedza zvivakwa, pamwe nekunaka kwekunze kwemamiriro ekunze uye kudzivirira kupisa, pamwe nekunaka kwekusagadzikana, kushomeka kwechalking, kupenya, uye kuita kweruvara, electrostatic poda yekupfapfaidza yakanyatsokodzera kudzivirira ngura kwemagomba anoomesa.
Hurukuro pamusoro peWelding yeAustenitic Nickel-Chromium Stainless Steel Midziyo mizhinji yekuomesa iine mashedhi esimbi, masheets mazhinji ari 1Cr18Ni9Ti (18-8 type). Corrosion uye matambudziko ekutsemuka anowanzoitika panguva yewelding process. Izvi zvinokanganisa zvakanyanya hupenyu hwechigadzirwa uye kuita. Musiyano uripo pakati pe austenitic Stainless simbi uye yakajairwa kabhoni simbi iri mukushaikwa kwayo kwekupisa kwekushisa, yakakura coefficient yekuwedzera kwekushisa panguva yekudziya, uye yakakwirira yemagetsi kuramba. Nekuda kweaya maitiro, akakosha welding maitiro anodiwa kune austenitic simbi. Intergranular corrosion ndeimwe yematambudziko makuru e-high-alloy simbi. Nepo iyi simbi pachayo ine yakakwira corrosion resistance, iyo welding process inoderedza kuramba uku. Corrosion mafomu panguva yewelding yeaustenitic simbi inosanganisira: yakazara, yenzvimbo, uye intergranular corrosion. Imwe fekitari yemumba yaitenga zvinhu zvekuomesera kubva kunze kwenyika. Nzira dzisina kunaka dzewelding dzakakuvadza microstructure yesimbi isina tsvina yebhegi sefa, zvichiita kuti intergranular corrosion. Munguva yekuomeswa, zvinhu zvaive neasidhi zvikamu, zvichiita kuti kukurumidza kuputika kwesimbi yesimbi.
Mhedziso Sezvo tekinoroji yekuomesa yakasimukira kusvika payazvino, setekinoroji yeinjiniya, kubudirira kwayo kunoenderana kwete chete nedanho rekuomesa dzidziso asiwo zvakanyanya pachimiro chemidziyo, kusarudzwa kwezvinhu, uye nzira dzekugadzira. Tichifunga nezvezvinhu zvakasiyana-siyana, kugadzira chirongwa chine musoro chekugadzira chine kukosha kwehupfumi.