Waa maxay astaamaha garaafitka la ballaarin karo ka dib marka la kululeeyo garaafitka la ballaarin karo?

Astaamaha ballaarinta eexaashi garaafit ah oo la ballaarin karoway ka duwan yihiin wakiilada kale ee ballaarinta. Marka la kululeeyo heerkul gaar ah, garaafka la ballaarin karo wuxuu bilaabaa inuu ballaariyo sababtoo ah kala-go'a isku-dhafka ah ee ku jira shabagga lakabka dhexe, kaas oo loo yaqaan heerkulka ballaarinta bilowga ah. Waxay si buuxda ugu fidaysaa 1000 ℃ waxayna gaartaa mugga ugu badan. Mugga ballaarinta wuxuu gaari karaa in ka badan 200 jeer qiimaha bilowga ah. Garaafiga la ballaariyay waxaa loo yaqaan garaafiga la ballaariyay ama dirxiga garaafiga, kaas oo ka beddela qaabka jajabka asalka ah una beddela qaabka dirxiga oo leh cufnaan hoose, taasoo sameysanaysa lakab dahaadh kuleyl oo aad u wanaagsan. Garaafiga la ballaariyay ma aha oo kaliya isha kaarboon ee nidaamka ballaarinta, laakiin sidoo kale waa lakab dahaadh ah. Si wax ku ool ah ayuu u awood u yeelan karaakulaylka dahaadhDabka, wuxuu leeyahay astaamo heer hoose oo sii daaya kulaylka, lumis yar oo cuf ah iyo gaas qiiqa oo yar.

Waa maxay astaamaha garaafitka la ballaarin karo ka dib marka la kululeeyo garaafitka la ballaarin karo?

Astaamaha garaafitka la ballaariyay

① Iska caabin cadaadis oo xooggan,dabacsanaan, balaastiig iyo saliidayn iskeed ah;

② Iska caabin xooggan oo heerkulka sare iyo kan hoose,daxalkaiyo shucaac;

③ Astaamaha dhulgariirka oo aad u xooggan;

④ Aad u xoog badanconductivity;

⑤Sifooyin xooggan oo ka hortagga gabowga iyo ka hortagga qallooca.

⑥ Waxay iska caabin kartaa dhalaalka iyo gelinta biraha kala duwan;

⑦ Ma aha sun, kuma jiraan wax kansar keena mana waxyeello u geysanayaan deegaanka.

Dhowr jiho oo horumarineed oo graphite ah oo la ballaariyay waa sida soo socota:

1. Graphite la ballaariyay oo loogu talagalay ujeeddooyin gaar ah

Tijaabooyinku waxay muujinayaan in gooryaanka garaafitku ay leeyihiin shaqada nuugista hirarka elektromagnetic-ka. Graphit-ka la ballaariyay waa inuu buuxiyaa shuruudaha soo socda: (1) heerkulka ballaarinta bilowga ah oo hooseeya iyo mugga ballaarinta oo weyn; (2) Sifooyinka kiimikada waa kuwo deggan, oo la keydiyay 5 sano, saamiga ballaarintana asal ahaan ma qudhmo; (3) Dusha sare ee garaafitka la ballaariyay waa dhexdhexaad mana laha daxal ku yimaada kiiska kartoonada.

2. Graphite la ballaariyay oo qaabaysan

Graphite-ka yar ee la ballaariyay wuxuu inta badan ka kooban yahay 300 oo mesh ah oo la ballaarin karo oo leh mugga ballaarinta oo ah 100ml / g. Badeecadan waxaa inta badan loo isticmaalaa qalabka ka hortagga dabkadahaarka, taas oo baahi weyn loo qabo.

3. Graphite la ballaariyay oo leh heerkul sare oo ballaarin bilow ah

Heerkulka ballaarinta bilowga ah ee garaafitka la ballaariyay oo leh heerkul sare oo ballaarin bilow ah waa 290-300 ℃, mugga ballaarintuna waa ≥ 230ml / g. Noocan garaafitka la ballaariyay waxaa inta badan loo isticmaalaa dab-damiska balaastikada injineernimada iyo caagga.

4. Graphite-ka dusha sare ee wax laga beddelay

Marka graphite la ballaariyay loo isticmaalo sidii walxo dab-damis ah, waxay ku lug leedahay iswaafajinta graphite iyo qaybaha kale. Sababtoo ah macdanta sare ee dusha sare ee graphite, ma aha lipophilic ama hydrophilic. Sidaa darteed, dusha sare ee graphite waa in wax laga beddelaa si loo xalliyo dhibaatada iswaafajinta graphite iyo qaybaha kale. Waxaa la soo jeediyay in dusha sare ee graphite lagu caddeeyo, taas oo ah, in dusha sare ee graphite lagu daboolo filim cad oo adag, taas oo ah dhibaato adag in la xalliyo. Waxay ku lug leedahay kiimikada xuubka ama kiimikada dusha sare. Shaybaarku wuu awoodi karaa inuu sidaas sameeyo, waxaana jira dhibaatooyin ku saabsan warshadaha. Noocan graphite cad ee la ballaarin karo waxaa inta badan loo isticmaalaa dahaarka dab-damiska.

5. Heerkulka ballaarinta bilowga ah oo hooseeya iyo garaafitka ballaarinta heerkulka hooseeya

Noocan garaafitka la ballaariyay wuxuu bilaabaa inuu ku fido 80-150 ℃, mugga ballaarintana wuxuu gaaraa 250ml / g heerkul ah 600 ℃. Dhibaatooyinka diyaarinta garaafitka la ballaarin karo ee buuxin kara xaaladdan waa: (1) xulashada wakiilka isku-dhafka ah ee ku habboon; (2) Xakamaynta iyo maaraynta xaaladaha qallajinta; (3) Go'aaminta qoyaanka; (4) Xal u helidda dhibaatooyinka ilaalinta deegaanka.