-
Upfu hweTalc hwepurasitiki yemotokari, mapurasitiki epepa uye mashandisirwo erabha mumaindasitiri, zvinovandudza mashandiro ezvigadzirwa.
Upfu hwetalc chinhu chinowanikwa zvakasikwa chinoumbwa kubva mukukanganiswa kwematombo emagnesium silicate, chine hunhu hwakasiyana hwemuviri nemakemikari zvinoita kuti huve hunokosha muminda yakasiyana-siyana yemaindasitiri. Hunowanzoonekwa seupfu hwakachena kana grey hune magadzirirwo emafuta, kugadzikana kwakapfava uye mafuta akanaka—hunhu hunobva muchimiro chayo che platy crystal. Hunhu hwakasiyana hwakadaro hunoita kuti upfu hwetalc husanganiswe zvakanaka nezvinhu zvakasiyana-siyana, kwete kungosanganisa zvakanaka chete asiwo huchipa kushanda kwakanaka uye nyore kugadzira zvigadzirwa zvekupedzisira. Kusashanda kwayo kwemakemikari kunoita kuti ishande zvakanaka nezvinhu zvakawanda, ichidzivirira kuita zvisingadiwe kunyangwe pakushandiswa kwenguva refu, nepo kudzivirira kupisa kwakavimbika uye hunhu hwemagetsi hwekudzivirira hunowedzera mukana wekushandiswa kwayo mumabasa ekugadzira anodiwa zvakanyanya muzvikamu zvakasiyana.Indasitiri yepurasitiki inovimba zvakanyanya neupfu hwetalc semushonga unoshanda wekuzadza uye kusimbisa, kunyanya muzvikamu zvepurasitiki zvemotokari. Upfu hwetalc hunobatanidzwa zvakanaka mu thermoplastics dzakadai se polypropylene ne polyethylene, zvichinyatso vandudza kugadzikana kwezvikamu nekuderedza warpage uye kuderedza shrinkage panguva yekuumbwa kwejekiseni uye extrusion processes. Inowedzera zvakanyanya kuramba kupisa kwezvikamu zvepurasitiki, zvichiita kuti zvikodzere zvikamu zvemotokari zvinotsungirira kushushikana kwemuchina kakawanda uye kuchinja-chinja kwetembiricha, senge dashboards, magonhi emusuwo uye zvikamu zvepasi pevhu. Chimiro cheplaty chetalc powder chinowedzera kuomarara uye kuramba kukanganisa kwepurasitiki pasina kuwedzera huremu hwakawandisa, zvichitsigira zvakakwana nzira dzakareruka mukugadzira mota. Kuderedza huremu uku kunobatsira kuderedza kushandiswa kwemafuta uye kuvandudza kushanda zvakanaka, zvichienderana nemafambiro emazuva ano ekugadzira mota akatarisana nekuchengetedza. Pamusoro pezvo, upfu hwetalc hunoshanda serubatsiro rwekugadzirisa, kuderedza kukweshana pakati pepurasitiki inonyunguduka nenzvimbo dzechimurenga, izvo zvinopfupisa kutenderera kwekuumba uye zvinowedzera kushanda zvakanaka kwekugadzira kune vagadziri vepurasitiki.Chikamu chependi nependi chinobatsirwa zvikuru nehunhu hwakasiyana hwehupfu hwetalc, huchishanda sechinozadza zvicherwa zvakasiyana-siyana muzvipfeko zvemaindasitiri nezvekuvaka. Sechinozadza zvicherwa, upfu hwetalc hunovandudza kufamba kwependi uye kuenzana, zvichidzivirira kudzika nekudonha kwemvura panguva yekushandiswa panzvimbo dzakamira kana dzakakombama. Hunowedzera simba rekuviga uye kunamira kwezvipfeko, zvichigadzira firimu rakatsetseka, rakafanana uye rinogara kwenguva refu rinonamira zvakasimba kune zvakasiyana-siyana zvakaita sesimbi, huni nekongiri. Zvidimbu zveplaty zvetalc powder zvinobatsirawo kuchengetedza kupararira kwepigment kwakafanana, zvichiita kuti ruvara rwugare rwakafanana uye rupedzwe pazvigadzirwa zvese zvakaputirwa, kudzivirira mitsetse kana mumvuri usina kufanana. Kunze kwekunaka, inowedzera kuramba kwemvura, acids uye kukwesha, zvichiwedzera hupenyu hwebasa rezvipfeko zvinoshandiswa muzvivakwa zvemaindasitiri, michina nemidziyo yekunze. Zvipfeko zveprimers uye zvepakati zvinowanzo sanganisa upfu hwetalc kuti zviwedzere kuramba kwesedimentation - kudzivirira zvidimbu zvefiller kuti zvisagadzikane pasi pemakani ependi - uye kuvandudza kudzokororwa, zvichibvumira zvikamu zvinotevera kubatana zvakasimba, zvese izvi zvichisangana nemazinga emhando yepamusoro emaindasitiri ekugadzira.Indasitiri yemapepa yagara ichishandisa upfu hwetalc kuvandudza mhando yezvigadzirwa uye kushanda zvakanaka kwemapepa akasiyana-siyana. Upfu hwetalc hunoshanda semushonga wekuzadza uye wekuputira, hunowedzera kupenya, kujeka uye kupfava kwepepa—zvinhu zvikuru pakudhinda nekurongedza mapepa. Kana ikashandiswa semushonga wekuzadza, inozadza mipata iri pakati pemafiber ecellulose, ichigadzira chimiro chakasimba chinosimbisa kugona kwepepa kupinza inki dzekudhinda, ichivimbisa kuberekana kwemavara akajeka, mhando yekudhinda yakapinza uye nguva yekuoma nekukurumidza. Semushonga wekuvhara, inoumba jira rakatetepa, rakatsetseka pamusoro pemapepa, ichideredza kupinda kweinki uye inovandudza kujeka kwekudhinda. Upfu hwetalc hunoshandawo sechinongedzo chakakosha chekutonga resin, ichipinza maresini akasara uye pitch mu pulp kudzivirira kuzara kwemuchina, maroller anonamira uye zvikanganiso zvepadenga senge mavanga kana mitsetse. Mumaitiro ekudzokorora mapepa emarara, upfu hwetalc hunobatsira mukuburitsa inki nekupwanya zvidimbu zveinki uye kubvisa tsvina inonamira, zvichivandudza zvakanyanya kuchena kwepulp uye hunhu hwepepa rinodzokororwa. Aya mashandisirwo akasiyana-siyana anoita kuti upfu hwetalc huve chinhu chakakosha mukugadzira zvigadzirwa zvakasiyana-siyana zvemapepa, kubva pamapepa ekudhinda ane gloss yakakura nezvinhu zvekurongedza kusvika kumapepa etissue ne corrugated cardboard.Kugadzira ceramics kunoshandisa talc powder kugadzirisa hunhu hwechigadzirwa uye kugadzirisa ma parameter ekugadzirisa, kuderedza mari yekugadzira ukuwo kuchivandudza mashandiro echigadzirwa. Kuwedzera talc powder kuma ceramic blanks kunoderedza kupisa kwemoto nemadhigirii akati wandei uye kunowedzera tembiricha inogamuchirika panguva yekupfura, izvo zvinoderedza kushandiswa kwesimba chete asiwo zvinoderedza njodzi yekushanduka kwechigadzirwa kana kutsemuka. Hupfu hudiki hwetalc hunowedzera kujeka, simba remuchina uye kugadzikana kwekupisa kweceramics, zvichiita kuti zvikodzere zvikamu zvemaindasitiri nezvinhu zvekushongedza zvakafanana. Hupfu hwakawanda hwetalc hunobatsira kuumbwa kwemakristaro akakosha senge enstatite, kuvandudza thermal shock resistance uye dielectric properties - zvakakosha kune ceramics dzinoshandiswa munzvimbo dzemagetsi nedzekupisa kwakanyanya. Hupfu hwetalc hunoshandawo senzira inoshanda ye glazes, kuderedza tembiricha yekunyunguduka, kuvandudza glaze elasticity uye kudzivirira kupenga. Hunowedzera opacity yechisikigo kune matte glazes, zvichigadzira ma textures anodiwa uye kupera, ukuwo zvichisangana nezvinodiwa zverunako uye zvinoshanda zvezvigadzirwa zveceramic zvezvikamu zvemichina yeindasitiri nezvinhu zvekuvaka senge mataira epasi uye madziro cladding.Indasitiri yerabha inoshandisa talc powder zvakanyanya sezvinhu zvinozadza uye zvinodzivirira, zvichiwedzera kushanda kwechigadzirwa uye kugona kwayo kugadzira. Inopinda murabha kuti iwedzere simba remuchina, kuramba kubvaruka uye kunyorovesa mukati, ichivandudza kugara kwenguva refu uye ichideredza kupera simba panguva yekushandiswa kwenguva refu. Izvi zvinoita kuti mafuta awedzere kugadzirwa, kuderedza kushandiswa kwesimba panguva yekusanganisa, kugadzira calender uye kugadzira. Talc powder inowedzera zvakanyanya kunyungudutsa kwemagetsi kwezvigadzirwa zverabha, zvichiita kuti ive yakakodzera kunyungudutsa tambo, magasket erabha nezvimwe zvikamu zverabha zvinoshandiswa mumidziyo yemagetsi uye masisitimu ekutumira simba. Inoshandawo sechinhu chinochengetedza kunamatira, ichigadzira jira rakatetepa rekudzivirira pamusoro perabha rinotadzisa zvigadzirwa kunamira kune zviumbwa, michina kana imwe neimwe panguva yekugadzira, kuchengetera uye kutakurwa. Matanho akasimba ekudzora hunhu anoita kuti talc powder inosangana nekuchena kwakakodzera uye zvinodiwa zvehukuru hwezvimedu zvekushandisa rabha, sezvo kupararira kwezvimedu zvisingawirirane kunogona kukanganisa kuchinjika uye kushanda kwerabha, kuchengetedza kufanana uye kuvimbika mukushanda kwechigadzirwa chekupedzisira.Kugadzirwa kwezvinhu zvisingapindi mvura kunosanganisira upfu hwetalc kuti huwedzere kuvimbika kwechigadzirwa, kugara kwenguva refu uye kuramba mamiriro ekunze, zvichienderana nezvinodiwa zvekuvaka uye zvekuchengetedza mvura mumaindasitiri. Hunowedzerwa zvakanyanya kuasphalt membranes, acrylic coatings uye polyurethane sealants, uko kunovandudza kuchinjika uye kureba pakukanganisika—zvichibvumira zvinhu zvisingapindi mvura kuti zvienderane nemafambiro echivakwa pasina kutsemuka. Upfu hwetalc hunosimbisa kubatana pakati pezvinhu zvechigadzirwa, zvichigadzira chipingamupinyi chisina musono chinodzivirira kubuda kwemvura uye chinowedzera hupenyu hwemasisitimu asingapindi mvura munzvimbo dzinoda simba senge matenga edzimba, pasi pevhu, matangi emaindasitiri nemabhiriji. Kugadzikana kwayo kwemakemikari kunoita kuti zvinhu zvisingapindi mvura zvirambe zvichishanda zvakanaka mumamiriro ekunze akaoma, kusanganisira kuchinja kwakanyanya kwekushisa, kuratidzwa kwehunyoro kwenguva refu, mwaranzi yeUV uye kuparadzwa kwemakemikari. Pamusoro pezvo, upfu hwetalc hunovandudza hunhu hwerheological hwemafomula asingapindi mvura, kudzivirira kugadzikana kwezvikamu zvinorema uye kuona kuti kushandiswa kwakafanana, izvo zvinowedzera kushanda kwezvikamu zvisingapindi mvura.Kudiwa kwehupfu hwetalc pasi rose kuri kuramba kuchikura, zvichikonzerwa nekuwedzera kwezvikamu zvekugadzira uye kufambira mberi kwetekinoroji mukugadzirisa. Kugona kwehupfu hwetalc kushanda nesimba uye kushandisa mari zvakanaka kunoita kuti ive sarudzo inofarirwa nevagadziri vanoda kuvandudza mashandiro ezvigadzirwa uye kushanda zvakanaka kwezvigadzirwa. Mitemo yakasimba yemhando yepamusoro uye maitiro ekuyedza anoita kuti hupfu hwetalc husvike kune zvinodiwa neindasitiri, kubvisa tsvina uye kuve nechokwadi chekuti hwakachengeteka mumashandisirwo ahwo. -
Upfu hweTalc hwekugadzira chisimbiso cherabha kuti huwedzere kupora kwe elastic uye huvandudze kuramba kwekupfekwa ukuwo huchideredza kumanikidzwa uye hunowedzera kuvimbika kwechisimbiso mukushandiswa kwekumanikidzwa kwakanyanya.
Upfu hwetalc, chicherwa chinoshandiswa zvakasiyana-siyana uye chisingakoshi, chinoita basa guru mukugadzirwa kwezvisimbiso zverabha, zvichichinja indasitiri iyi nehunyanzvi hwayo hunoshamisa. Munyika yezvisimbiso zvemaindasitiri, uko kuvimbika uye kugara kwenguva refu zvakakosha, upfu hwetalc hunobuda sechinochinja mutambo, huchipa mabhenefiti akawanda anowedzera kushanda uye kugara kwenguva refu kwezvisimbiso zverabha.
Chimwe chezvakanakira zvikuru zveupfu hwetalc mukugadzirwa kwechisimbiso cherabha kugona kwayo kusimudzira kudzoreredzwa kwe elastic. Mumaindasitiri, zvisimbiso zvinogara zvichimanikidzwa ne mechanical, kusanganisira kudzvanywa kakawanda, kutatamuka, uye kuchinjika. Semuenzaniso, magasket emusuwo muzvivakwa zvemabhizinesi anogara achivhurwa nekuvharwa, nepo zvisimbiso zveinjini dzemotokari zvichisangana nekuchinja-chinja kwekumanikidzwa panguva yekushanda. Maumbirwo akanaka eupfu hwetalc akakosha pakugadzirisa matambudziko aya. Padanho re microscopic, maplatelet etalc anosangana nema polymer erabha, zvichigadzira network inoshanda sechitubu chemukati. Kubatana uku kwakasiyana kunobvumira zvisimbiso kuti zvidzoke nekukurumidza chimiro chazvo chepakutanga mushure mekudzvanywa, zvichiita kuti zvikwane zvakanaka kunyangwe mushure mezviuru zvema cycles.Muongororo yerabhoritari yazvino, matekiniki ekufungidzira ekumhanya-mhanya akashandiswa kubata mashandiro akaomarara emaitiro aya. Maonero aya anoratidza zvakajeka kuti maplatelet etalc anotsvedza sei uye anochinja-chinja mukati me rabha matrix panguva yekuchinja, zvichiita kuti elastic recovery iite. Uyezve, zvidzidzo zvakakwana zvakaenzanisa zvisimbiso zvakagadzirwa nemhando dzakasiyana dze talc powder, zvichiratidza kuti kuchena kwakanyanya uye talc particles dzakafanana zvinotungamira mukuvandudzwa kukuru kwe elastic recovery. Kunyanya, zvisimbiso zvakagadzirwa ne ultrafine, high-purity talc powder zvakaratidza kuwedzera kwe elastic recovery kusvika ku35%, zvichienzaniswa neizvo zvisina talc kana ne talc yemhando yakaderera. Kuvandudzwa uku kwakakosha mukupora kwe elastic ibhenefiti yakakosha kune mashandisirwo anoda kuvimbika kwenguva refu, sezvo zvichibatsira kudzivirira kubuda kwemvura uye kuchengetedza kusimba kwe sealed system.Kusapfeka zvakanaka chimwe chinhu chakakosha pakushanda kwezvisimbiso zverabha zvine simba guru, kunyanya munzvimbo dzinokwesha dzakadai semichina yekuchera migodhi, maindasitiri ekutakura zvinhu, uye michina inorema yekugadzira. Mumamiriro ezvinhu akaoma aya, zvisimbiso zvinogara zvichisangana nekukweshana uye kukweshana, izvo zvinogona kukonzera kusakara nekukundikana nguva isati yakwana. Maitiro eplatelet eTalc powder anopa simba rekuzvizora, richishanda semabheringi madiki, akaiswa mukati me rabha. Kana chisimbiso chikasangana nenzvimbo dzinosangana, maplatelet etalc anotsvedza, zvichideredza kupisa kwekukweshana uye kuderedza kukweshana pamusoro.Uyezve, zvidzidzo zvemazuva ano zve tribological zvakadzika zvakadzama mukuita kwe talc kuzvizora mu rabha seals. Zvidzidzo izvi zvakaratidza kuti kemikari yepamusoro ye talc ine basa mukuderedza kunamira pakati pe seal nenzvimbo dzinosangana, zvichiwedzera kuwedzera kwe lubrication effect. Mukushandiswa kwechokwadi, bvunzo dzemumunda dzakaitwa mumabasa akawanda ekuchera pasi rese. Semuenzaniso, munzvimbo yakakura yekuchera mhangura muSouth America, zvivharo zvakaiswa mu talc mu conveyor belt systems zvakagara avhareji ye60% kwenguva yakareba kupfuura zvivharo zvakajairwa. Hupenyu hwakareba uhwu hunoshandura kuchengetedza kwakakosha mumari yekuchengetedza, sezvo kutsiva zvivharo zvishoma kunodiwa nekufamba kwenguva. Pamusoro pezvo, hunhu hwemakemikari husina simba hwe talc powder hunodzivirira kuora kwezvinhu zvakatipoteredza zvakaita sehunyoro, makemikari, uye UV mwaranzi, zvichiita kuti chivharo chishande zvakanaka muhupenyu hwese hwebasa racho. Munzvimbo dzeindasitiri dzemahombekombe uko zvivharo zvinosangana nemvura yemunyu inopfapfaidzwa uye hunyoro hwakawanda, zvivharo zvakagadziriswa mu talc zvakaramba zvakavimbika zviri nani kupfuura zvisina kugadziriswa, zvichiratidza kugona kwekudzivirira kwe mineral.Kudzvanywa kwesimbi idambudziko rinoramba riripo mukugadzira zvisimbiso zverabha, kunyanya mukushandiswa uko zvisimbiso zvinosangana nekumanikidzwa kwenguva yakareba. Mienzaniso yekushandiswa kwakadaro inosanganisira magasket akadzika-pasi pegungwa, ayo anofanira kutsungirira kumanikidzwa kukuru kwemvura yakadzika, uye zvisimbiso zvendege dzakakwirira-kumusoro, izvo zvinosangana nekumanikidzwa kwakasiyana-siyana panguva yekubhururuka. Upfu hwetalc hunoderedza nyaya yekudzvanywa kwesimbi kuburikidza nemaitiro maviri. Chekutanga, hunosimbisa chimiro chekubatanidza cherabha, huchiwedzera kuramba kwayo kuchinjika pasi pekumanikidzwa. Ongororo yesainzi yepolymer yazvino yakashandisa matekiniki epamusoro espectroscopy kuongorora zvisungo zvemakemikari mukati memakemikari erabha netalc powder, zvichisimbisa kusimbiswa kwe cross-links. Chechipiri, inopa rutsigiro rwepanyama kumacheni epolymer, kudzivirira kutambanudza zvakanyanya uye kushanduka kusingaperi kwe microstructure yezvinhu.Mumamiriro ezvinhu akaipisisa, senge mukushandiswa kwe cryogenic uko tembiricha inogona kuderera kusvika -196°C, basa re talc powder rinova rakakosha zvikuru. Nzvimbo dzekuongorora dzakashandiswa kutevedzera mamiriro ezvinhu akaoma aya, uye mhedzisiro yacho inoshamisa. Zvisimbiso zvakagadziriswa ne talc mumapaipi e cryogenic zvakachengetedza mwero wekuvimbika kwechisimbiso weanopfuura 98% mushure memaawa 10,000 ekushanda nguva dzose, zvichienzaniswa neanenge 85% yezvisimbiso zvisina kugadziriswa. Nekuchengetedza kugadzikana kwehukuru hwechisimbiso pasi pekumanikidzwa kwenguva refu, talc powder inoita kuti chisimbiso chirambe chichishanda zvakanaka nekufamba kwenguva. Kushanda uku kwakanaka kunoita kuti talc - rabha dzakasimbiswa ive sarudzo inosarudzwa yekushandisa uko kuvimbika uye kuchengetedzeka zvisingakurukurwe.Mumasystem ane simba guru, akadai sema hydraulic cylinders, mapaipi egasi rechisikigo, uye michina yekuburitsa mafuta negasi, kushanda kwesefa kwakakosha zvikuru. Kukundikana kwese kwechisimbiso kunogona kukonzera njodzi huru, kusanganisira kudonha kwemvura, kukuvara kwemidziyo, uye njodzi dzezvakatipoteredza. Upfu hwetalc hunoita basa rakakosha mukuona kushanda kwesefa nekushanda semugoveri wekushushikana. Geometry yayo yakati sandara inobvumira kuparadzira masimba akashandiswa zvakaenzana pamusoro pesefa, zvichidzivirira kuwanda kwekushushikana kunogona kukonzera kutadza kushanda nguva isati yakwana.Kutevedzera kwemazuva ano kwemakombiyuta emagetsi (CFD) kwave kwakanyanya kuomarara, tichifunga nezvezvinhu zvakaita sema gradients ekupisa uye mapatani ekuyerera kwemvura mukati mechisimbiso. Kutevedzera uku kwakawedzerwa kwakaratidza kuti kurongeka kwezvikamu zvakasiyana zvetalc kunoenderana sei nemavector ekumanikidza, zvichiwedzera kugona kwekutakura mutoro wechisimbiso kusvika ku40%. Pamusoro pezvo, finite element analysis (FEA) yakashandiswa kudzidza maitiro emakanika ezvisimbiso netalc powder pasi pemamiriro akasiyana ekurodha. Kunzwisisa kwakabatanidzwa kubva kuCFD neFEA kwakapa kunzwisisa kwakazara kwekuti talc powder inovandudza sei mashandiro echisimbiso. Kukwanisa kwekutakura mutoro uku kunogonesa chisimbiso kumira kumanikidzwa kwakakwirira pasina kukanganisa kuvimbika kwacho, izvo zvakakosha pakushanda kwakachengeteka uye kwakanaka kwemasisitimu ekumanikidza ane simba guru.Chimwe chinhu chakakosha cheupfu hwetalc mukugadzirwa kwechisimbiso cherabha ndechekuti hunoenderana nezvinhu zvakasiyana-siyana zverabha. Ingava ethylene propylene diene monomer (EPDM), nitrile butadiene rabha (NBR), kana silicone rabha, upfu hwetalc hunogona kuiswa nyore nyore muchimiro ichi kuti uwane hunhu hwaunoda. Kuchinja-chinja uku kunobvumira vagadziri kugadzirisa chimiro chechisimbiso cherabha zvichienderana nezvinodiwa zvekushanda kwechinhu chacho.Semuenzaniso, muindasitiri yekugadzira makemikari, uko zvisimbiso zvinoda kuramba makemikari akasiyana-siyana ane hukasha, upfu hwetalc hunogona kusanganiswa neNBR kugadzira chisimbiso chinopa kuramba makemikari kwakanaka. Kuongororwa kwekunyudzwa kwemakemikari murabhoritari kwakaratidza kuti zvisimbiso zvetalc - NBR zvinogona kutsungirira kubatwa neacids dzakasimba uye alkali kwenguva yakareba pasina kuora zvakanyanya. Muindasitiri yendege, uko kunodiwa kuramba kushanduka tembiricha yepamusoro, zvisimbiso zverabha zvetalc - silicone zvinowedzerwa zvinogona kushandiswa kutsungirira tembiricha dzakanyanya kubva -60°C kusvika 260°C pasina kurasikirwa nekushanda kwazvo kwekusimbisa. Kutaura zvazviri, muzvikamu zveinjini yejet, zvisimbiso izvi zvakaratidzwa kuti zvinochengetedza kushanda kwazvo kunyangwe panguva yekuchinja kwekupisa nekukurumidza, zvichivimbisa kushanda kwakavimbika kweinjini.Pamusoro pehunhu hwayo hwemakanika uye hwemakemikari, upfu hwetalc hunewo zvakanakira zvakawanda pakugadzira chisimbiso cherabha. Hukuru hwayo hwakanaka uye hunhu hwayo hwekupararira zvakanaka zvinovimbisa kupararira kwakafanana mukati me rabha, zvichikonzera mhando yechigadzirwa inoenderana. Tekinoroji dzepamusoro dzekusanganisa, dzakadai sema extruders maviri, dzakagadziridzwa kuti dzishandise zvizere hunhu hwe talc powder hwekupararira, zvichiita kuti chikamu chega chega che rabha chibatsirwe nehunhu hwayo. Upfu hwetalc hunovandudzawo hunhu hwe flow ye rabha compound panguva yekugadzirisa, zvichiita kuti zvive nyore kuumba nekugadzira chimiro chaunoda.Izvi hazvingoderedzi nguva yekugadzira nemitengo chete asiwo zvinovandudza kushanda zvakanaka kwemaitiro ekugadzira. Semuenzaniso, mumitsetse yekugadzira otomatiki, kushandiswa kwehupfu hwetalc kwakaita kuti nguva dzekutenderera dzikurumidze uye kurambwa kwekugadzirwa kushoma. Uyezve, kuwedzerwa kwehupfu hwetalc kunogonawo kuderedza kushandiswa kwesimba kwemidziyo yekugadzirisa, sezvo simba shoma richidikanwa kuti igadzire rabha inoyerera zvakanyanya.Kushandiswa kwehupfu hwetalc mukugadzira zvisimbiso zverabha kunobatsirawo nharaunda. Talc chicherwa chinowanikwa zvakasikwa chiri muvhu. Kucherwa kwayo nekugadzirisa kwayo hakuna simba rakawanda pakuchengetedza nharaunda kana tichienzanisa nezvinhu zvakagadzirwa. Makambani emigodhi ari kuramba achitora nzira dzekuchera dzinogara kwenguva refu, dzakadai sekudzoreredza masango nekuchengetedza ivhu mushure memabasa ekuchera, zvichideredza zvakanyanya kukanganiswa kwekugadzirwa kwetalc nenharaunda. Uyezve, zvisimbiso zverabha zvinowedzerwa zvetalc zvinogara kwenguva refu, zvichideredza kuwanda kwezvisimbiso uye kuderedza kugadzirwa kwemarara.Mukuona kwehupfumi hwakatenderera, zvisimbiso zverabha zve talc-based end of life zvinogona kudzokororwa zviri nani nekuda kwehunhu hwazvo hwakagadzikana. Tsvagiridzo iri kuenderera mberiwo kugadzira nzira itsva dzekugadzirisazve dzinogona kuburitsa nekushandisazve upfu hwetalc kubva muzvisimbiso zvakamboshandiswa, zvichiwedzera kusimba kwemaitiro ese. Izvi zvinoita kuti zvisimbiso zverabha zve talc-based zvive sarudzo inogara kwenguva refu yekushandiswa mumaindasitiri, zvichienderana nekutarisa kuri kukura kwepasi rose pakuchengetedza zvakatipoteredza nekuchengetedza zviwanikwa.Mukupedzisa, upfu hwetalc chinhu chakakosha mukugadzirwa kwezvisimbiso zverabha zvine simba guru. Hunhu hwayo hwakasiyana, kusanganisira kudzoreredzwa kwe elastic, kuramba kupfeka, kuramba kudzvanywa, kupararira kwekushushikana, uye kuenderana nemakemikari akasiyana-siyana erabha, zvinoita kuti ive chinhu chakakosha muindasitiri yezvisimbiso zverabha. Nekushandisa mabhenefiti eupfu hwetalc, vagadziri vanogona kugadzira zvisimbiso zverabha zvinosangana nezvinodiwa zvakanyanya zvemaindasitiri emazuva ano, zvichivimbisa kuvimbika, kugara kwenguva refu, uye kuchengetedzeka. Sezvo kudiwa kwezvisimbiso zverabha zvine simba guru kuchiramba kuchikura, zvichikonzerwa nekuwedzera kwemaindasitiri akadai sesimba rinogona kudzokororwa, ndege, uye mafuta negasi, basa reupfu hwetalc muindasitiri iri kutarisirwa kuva rakakosha mune ramangwana. Kutsvagurudza kuri kuenderera mberi nekuedza kusimudzira kunotarisirwa kuwedzera kuvhura kugona kweupfu hwetalc, zvichitungamira mukugadzirwa kwemhinduro dzezvisimbiso zverabha dzakanyanya kukwira uye dzinoshanda.
-
Upfu hweTalc hweIndustrial Grade kubva kuFiller Yakakodzera yePurasitiki Rabha Coating uye Maitiro Ekugadzira Ceramic
China inozivikanwa nekuwanda kwezvicherwa zvayo zve talc, uye zvicherwa zvakawanda zvakapararira munzvimbo dzakadai seLiaoning, Shandong, neGuangxi. Zvicherwa izvi zvine nzira dzakasiyana dzekuumbwa dzinoratidza nhoroondo yakaoma yenyika.
Liaoning, kunyanya nzvimbo yeDashiqiao, inomira seimwe yenzvimbo huru dzekugadzira talc muChina. Pano, talc deposits dzakaumbwa kuburikidza nekuchinja kwedolomite ne magnesite pasi pemamiriro ekupisa kwakanyanya uye kumanikidzwa munguva yeProterozoic. Kufamba kwenguva refu kwe tectonic uye zviitiko zve hydrothermal munzvimbo iyi zvakasimudzira kudzokororwa kwezvicherwa, zvishoma nezvishoma zvichikonzera talc yepamusoro-soro ine magadzirirwo akatsetseka uye chimiro chakanaka che lamellar. Maitiro aya e geology akafanana nekushandurwa kwakaitwa mamwe matombo ekare mumamiriro ezvinhu akaomarara kuti agadzire mineral deposits dzakasiyana.
MuShandong, talc munzvimbo dzakadai seYishui neJunan yainyanya kubva pakushanduka kwematombo eultramafic. Matombo aya paakasangana nemvura inopisa yemvura ine silica yakawanda, kwakaitika maitiro akasiyana-siyana emakemikari, zvichikonzera kuumbwa kwetalc ine kuchena kwakanaka uye mafuta, zvichiita kuti ive yakakodzera maindasitiri akaita seceramics uye cosmetics.
Madhaka eGuangxi etalc, akawandisa munzvimbo dzakadai seHezhou, akaumbwa munzvimbo dzakasiyana dze geology. Anowanzo batanidzwa nemaitiro e sedimentary - metamorphic, uko matombo e sedimentary ane magnesium - akapfuma akachinja chimiro, zvichikonzera kuwedzera kwetalc.Vacheri vekuChina vanoshandisa nzira dzekuchera dzakavhurika uye dzepasi pevhu zvichienderana nekudzika uye kukura kwenzvimbo dzakaiswa. Kune nzvimbo dzisina kudzika, kuchera dzakavhurika kunofarirwa nekuda kwekushanda kwayo zvakanaka uye mutengo wakaderera, nepo nzira dzekuchera pasi pevhu dzichishandiswa kune zviwanikwa zvakadzika. Mushure mekubvisa, talc yekuChina inopfuura nepakati pecheni yekugadzirisa zvine hungwaru, kusanganisira simbi, kukuya zvakanaka, uye kugadzirisa pamusoro. Kuisa talc musimbi kunoparadzanisa talc kubva kune zvicherwa zvegangue zvine chekuita nayo, uye kukuya kwakanaka kunogadzirisa talc kuita mhando dzakasiyana dzesimbi zvichienderana nezvinodiwa nemaindasitiri akasiyana. Kugadziriswa kwepamusoro kunoitwa kuti talc ienderane nezvimwe zvinhu, kunyanya mukushandiswa kwepamusoro senge mapurasitiki nerabha. Matanho aya ekugadzirisa akagadzirirwa kuwedzera kukosha kwekushandiswa kwetalc, kuve nechokwadi chekuti inosangana nezvinodiwa zvakasiyana-siyana zvemisika yemuno neyepasi rose, sekunge nzira dzakasiyana dzekugadzirisa dzinowedzera kushandiswa kwezvimwe zvicherwa. Zviwanikwa zvetalc zvakawanda zveChina, nekwazvakatangira zvakasiyana zve geology uye matekiniki epamusoro ekugadzirisa, zvinoita basa rakakosha muindasitiri yetalc yepasi rose.
Upfu hwetalc, chicherwa chemagnesium silicate chinowanikwa zvakasikwa, chave chinhu chakakosha mukugadzirwa kwemaindasitiri nekuda kwekusanganiswa kwayo kwakasiyana kwehunhu hwepanyama nemakemikari. Upfu hwetalc hwekambani yedu hwakagadzirwa kuti hugutse zvinodiwa zvakasiyana-siyana zvemaindasitiri epurasitiki, rabha, coating, uye ceramic—zvikamu zvina uko kuvimbika, kugara kwenguva refu, uye kushanda kwakakosha pakubudirira kwebasa.
Mukugadzira mapurasitiki, upfu hwedu hwe talc hwemhando yepamusoro hunoshanda sechinozadza chinosimudzira kunaka kwechigadzirwa uye kushanda zvakanaka kwekugadzira. Kana chikabatanidzwa muma polypropylene (PP), polyethylene (PE), kana polyvinyl chloride (PVC) resins, chinovandudza kugadzikana kwehukuru nekuderedza kupwanyika panguva yekuumba. Izvi zvinonyanya kukosha kune zvikamu zvepurasitiki zvakaita semagadzirirwo emukati memotokari, mabhokisi emagetsi emagetsi, uye macasing emidziyo yemumba, uko saizi chaiyo inoita kuti ikwane uye ishande zvakanaka. Chimiro che lamellar che talc powder yedu chinowedzerawo kuomarara pasina kukanganisa kukanganiswa, zvichibvumira vagadziri kuderedza ukobvu hwezvinhu uku vachichengetedza kusimba kwechimiro—kuderedza mitengo yezvinhu zvakabikwa ne10–15%. Nesarudzo dzehukuru hwe particles dzinotangira pa 200 kusvika 1250 mesh, tinotarisira nzira dzakasiyana dzekugadzirisa mapurasitiki, kubva pakuumba majekiseni kusvika pakuburitsa, tichiona kupararira kwakafanana uye kudzivirira zvikanganiso zvakaita sekutsemuka kana kuungana.Pakugadzira rabha, upfu hwedu hwetalc hunoshanda semubatsiri pakugadzirisa uye kusimbisa. Hunoderedza kusimba kwemakemikari erabha, zvichiita kuti kusanganisa nekuburitsa zvinhu zvive nyore uye zvishandise simba shoma. Mune rabha yechisikigo neyekugadzira (senge nitrile butadiene rabha), inowedzera kuramba kubvaruka uye kuramba kukwesha, ichiwedzera hupenyu hwezvigadzirwa zverabha zvakaita semahosi eindasitiri, mabhandi ekufambisa, uye magasket. Mugadziri werabha muSoutheast Asia akataura kuti kuisa upfu hwedu hwetalc mumahosi avo kwakawedzera kugara kwenguva refu kwechigadzirwa ne25%, zvichideredza kuwanda kwekutsiva kune vatengi vavo. Pamusoro pezvo, kusagadzikana kwemakemikari kwehupfu hwedu hwetalc kunoita kuti huenderane nezvinhu zvinokuvadza uye zvinorwisa ma antioxidants, zvichidzivirira maitiro asingadiwe anogona kukanganisa mashandiro erabha nekufamba kwenguva.Muindasitiri yekupeta, upfu hwedu hwe talc hwemhando yepamusoro hunoshanda se extender uye matting agent. Hunovandudza kupenya kwemapendi ne coatings, zvichibvumira ma formulators kuderedza huwandu hwe titanium dioxide (TiO₂) inodhura ukuwo ichichengetedza kufukidza—zvichideredza mitengo yekugadzira ne 8–12%. Zvidimbu zve lamellar zvinogadzira chipingamupinyi mukati mefirimu yekupeta, zvichiwedzera kuramba kupesana nemvura, makemikari, uye UV mwaranzi. Izvi zvinoita kuti upfu hwedu hwe talc huve hwakakodzera ma coatings emaindasitiri anoshandiswa pazvivakwa zvesimbi, michina, uye madziro ekunze, uko kunonoka kwemamiriro ekunze kwenguva refu kwakakosha. Mutengesi wekuEurope akawana kuti kushandisa upfu hwedu hwe talc mu ma industrial enamel formulations avo kwakawedzera hupenyu hwe coatings ne 30% munzvimbo dzakaoma dzekunze.Vagadziri veceramic vanovimba ne talc powder yedu kuti ivandudze maitiro ekugadzira uye kuvandudza mhando yechigadzirwa. Kana ikaiswa mu ceramic ivhu, inoderedza tembiricha yekupisa ne 50–100°C, ichideredza kushandiswa kwesimba uye ichideredza kushushikana kwekupisa pazvigadzirwa zvapera. Izvi zvinoderedza njodzi yekutsemuka uye zvinovandudza mwero wegoho—zvakakosha kuma ceramic tiles, sanitary wares, uye electrical insulators. talc powder yedu inowedzerawo kuchena uye kupenya kwe ceramic, ichibvisa kudiwa kwezvimwe zvinhu zvinochenesa uye kugadzira kupedzisa kwakanaka.Kudzora hunhu hwezvinhu kunowanikwa muchikamu chega chega chekugadzira kwedu. Isu tinowana talc isina kugadzirwa kubva muzvicherwa zvemhando yepamusoro muLiaoning neShandong, China—nzvimbo dzinozivikanwa netalc ine iron shoma, calcium, uye heavy metal. Mhangura isina kugadzirwa inopwanywa, kukuyiwa, uye kucheneswa kuburikidza nekupatsanurwa kwemagineti uye froth flotation kubvisa tsvina. Batch yega yega inoedzwa uchishandisa laser particle size analyzers, X-ray fluorescence (XRF) spectrometers, uye whiteness metres kuti ive nechokwadi chekutevedzera mitemo yeindasitiri. Upfu hwedu hwe talc hwemhando yeindasitiri hunosangana neISO 9001, REACH, uye RoHS certifications, zvichiita kuti itevedzere zvinodiwa pasi rose.Kuvimbika kwezvinhu zvinotengeswa ndicho chinhu chakakosha mubasa redu. Tinochengeta zvinhu zviri mudura rezvinhu muChina yese, tichiona kuti zvinhu zvinotengeswa kwemazuva manomwe kusvika gumi. Zvigadzirwa zvinoiswa mumabhegi epepa e25kg kana mabhegi makuru e1000kg, pamwe nesarudzo dzekuisa mazita azvo. Isu tinobata magwaro ese ekutumira kunze kwenyika, kusanganisira zvitupa zvekuongorora (COA) uye zviziviso zvemutero, zvichiita kuti zvive nyore kupinza zvinhu kune vatengi muEurope, North America, neSoutheast Asia.Tichitarisa pamhando yepamusoro, kugadzirisa, uye rutsigiro rwevatengi, upfu hwedu hwe talc hwemhando yepamusoro hwave sarudzo inovimbwa nevagadziri pasi rese. Hunoita kuti hushande zvakanaka, huchengetedze mari, uye hushande zvakanaka—zvichiita kuti huve chinhu chakakosha mumabasa emazuva ano eindasitiri. -
Hupfu hwe talc hwakachena hwechisikigo hwekuvaka indasitiri yezvizoro indasitiri yemichina
Upfu hweTalc, hunozivikanwa nemakemikari sehydrous magnesium silicate nefomula yeMg₃Si₄O₁₀(OH)₂, hwagara huchikosha muzvikamu zvakasiyana-siyana. Upfu uhwu hwakapfava, huchena hunoonekwa nekuda kwehunhu hwahwo hwakanaka.
Mukushandiswa kwayo mumichina, mafuta ayo anoshamisa anoita kuti kufamba kwacho kuendeke zvakanaka. Muzvizoro, chinhu chikuru. Semuenzaniso, inowanikwa muupfu hwevana, ichibatsira kuchengetedza ganda rakaoma uye richinzwa seringi. Iinewo ruvara rweganda uye hwaro, ichitora mafuta akawandisa.Muindasitiri yemapepa, upfu hwetalc hunowedzera kupenya uye kutsetseka, zvichivandudza kudhindwa. Mukugadzira mapurasitiki, inowedzera kuyerera kwemaresin epurasitiki panguva yekugadzirisa uye inowedzera kuomarara kuzvigadzirwa zvekupedzisira. -
Pepa repurasitiki rinogadzirwa nepurasitiki rakagadzirwa nesimbi yakachena yetalcum
Upfu hweTalcum hunogadzirwa nekukuya talc uchishandisa Raymond mill pamwe nekumwe kubata kwakasimba.
Mhedzisiro: Zvinowedzerwa pakushongedza. Chinozadza chakasimbiswa. Chinoshandiswa sechinochengetedza kupisa kwefirimu rekurima.
-
Huabang Talc powder chena 1000-3000 mesh superfine cosmetic grade high whiteness bulk talc powder yerabha
Upfu hweTalcum hunogadzirwa nekukuya talc uchishandisa Raymond mill pamwe nekumwe kubata kwakasimba.
Mhedzisiro: Zvinowedzerwa pakushongedza. Chinozadza chakasimbiswa. Chinoshandiswa sechinochengetedza kupisa kwefirimu rekurima.
-
Huabang 325-1250 mesh White Cosmetic Talc Powder, Industrial Grade Talcum Materials High Whiteness Talc Powder
Upfu hweTalcum hunogadzirwa nekukuya talc uchishandisa Raymond mill pamwe nekumwe kubata kwakasimba.
Mhedzisiro: Zvinowedzerwa pakushongedza. Chinozadza chakasimbiswa. Chinoshandiswa sechinochengetedza kupisa kwefirimu rekurima.
-
Hupfu hweTalc chena 3000 mesh super fine cosmetic grade high whiteness bulk talc powder yekupenda
Upfu hweTalcum hunogadzirwa nekukuya talc uchishandisa Raymond mill pamwe nekumwe kubata kwakasimba.
Mhedzisiro: Zvinowedzerwa pakushongedza. Chinozadza chakasimbiswa. Chinoshandiswa sechinochengetedza kupisa kwefirimu rekurima.
-
Talc powder yemhando yepamusoro ye cosmetic baby powder iri kutengeswa
Upfu hweTalcum hunogadzirwa nekukuya talc uchishandisa Raymond mill pamwe nekumwe kubata kwakasimba.
Mhedzisiro: Zvinowedzerwa pakushongedza. Chinozadza chakasimbiswa. Chinoshandiswa sechinochengetedza kupisa kwefirimu rekurima.
-
Upfu hweTalc yeKosmetic, Zvinhu zveIndasitiri zveTalcum High Whiteness Talc Powder
Upfu hweTalcum hunogadzirwa nekukuya talc uchishandisa Raymond mill pamwe nekumwe kubata kwakasimba.
Mhedzisiro: Zvinowedzerwa pakushongedza. Chinozadza chakasimbiswa. Chinoshandiswa sechinochengetedza kupisa kwefirimu rekurima.
-
Upfu hweTalc 1250mesh, Mupi weUpfu hweTalc Hwakachena Hwakanyanya hweTalcum Powder yeZvizoro
Upfu hweTalcum hunogadzirwa nekukuya talc uchishandisa Raymond mill pamwe nekumwe kubata kwakasimba.
Mhedzisiro: Zvinowedzerwa pakushongedza. Chinozadza chakasimbiswa. Chinoshandiswa sechinochengetedza kupisa kwefirimu rekurima.
-
Upfu hwependi hweIndustrail grade talc grade talcum, 1250mesh talc powder, talc chena chaiyo
Upfu hweTalcum hunogadzirwa nekukuya talc uchishandisa Raymond mill pamwe nekumwe kubata kwakasimba.
Mhedzisiro: Zvinowedzerwa pakushongedza. Chinozadza chakasimbiswa. Chinoshandiswa sechinochengetedza kupisa kwefirimu rekurima.
