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Caaryada Graphite for shubay joogto ah

Sharax Gaaban:

Caaryada garaafka ee shubka joogtada ah waxaa loola jeedaa alaabada garaafka ee loo isticmaalo wasakhaha si joogto ah loo shubay. Tiknoolajiyada biraha joogtada ah ee birta ayaa ah tiknoolajiyad cusub oo si toos ah birta dhalaalisaysa ugu rogaysa alaab iyada oo loo marayo caaryada sii kordheysa ee shubka. Sababtoo ah ma rogrogayso oo waxay u noqotaa qalab toos ah, kuleylka labaad ee biraha waa laga fogaadaa, sidaa darteed tamar badan ayaa la badbaadin karaa.


Faahfaahinta alaabta

Calaamadaha alaabta

Caaryada Graphite for shubay joogto ah

Caaryada garaafka ee shubka joogtada ah waxaa loola jeedaa alaabada garaafka ee loo isticmaalo wasakhaha si joogto ah loo shubay. Tiknoolajiyada biraha joogtada ah ee birta ayaa ah tiknoolajiyad cusub oo si toos ah birta dhalaalisaysa ugu rogaysa alaab iyada oo loo marayo caaryada sii kordheysa ee shubka. Sababtoo ah ma rogrogayso oo waxay u noqotaa qalab toos ah, kuleylka labaad ee biraha waa laga fogaadaa, sidaa darteed tamar badan ayaa la badbaadin karaa.

Garaaf garaynta joogtada ah waxaa laga sameeyaa alaabta ceyriin ee kaarboonka ah (batroolka coke, coke pitch, dhuxul dhagaxa ...) kadib howlo taxane soo saar ah kadib. Iyaga ka mid ah, habka wax taaj oo kale wax u xoqiddu waxay noqon kartaa siday u kala horreeyaan wax taaj oo kale qaboojiyaha ama habka wax taaj oo kale oo cadaadis qabow isostatic. Habka cadaadiska isostatic qabow ee-culeyska sare leh ayaa la qaatay si loo hubiyo soo saarida labis, cufan iyo xoog sare oo garaaf garaynta joogtada ah. Kordhinta daaweynta tiknoolajiyada dusha sare ayaa heesan kara nolosha adeegga ee garaafka garaafka, hagaajinta tayada dusha biraha dusha joogtada ah, iyo kordhinta xawaaraha hawsha shubista ee joogtada ah.

Marka loo barbardhigo walxaha garaafka ujeedo kale, garaaf garaafis joogto ah wuxuu leeyahay astaamaha soo socda: jajabyada wanaagsan, qaab isku mid ah, cufnaanta mugga sare, hoos u dhaca iyo xoog sare. Waxqabadka aasaasiga ah waa sida soo socota:

Halbeegga

Tusmo

C Mawduuca (%)

99.9 ~ 99.995

Cufnaanta Jumlada (g / cm3)

1.75 ~ 1.90

Awood Cadaadis (MPa)

60 ~ 100

Xoog Flexural (MPa)

24 ~ 50

Modulus-yarada (GPa)

7 ~ 11

Jahawareerka (%)

14 ~ 21

Iska caabin gaar ah (μΩ · m)

10 ~ 20

Dulmarka guud ee horumarinta garaaf garaynta joogtada ah ee gudaha iyo dibaddaba

1) Wadamadu waxay ahmiyad weyn siinayaan horumarinta iyo adeegsiga garaaf garaynta joogtada ah. Tan waxaa lagu xaqiijin karaa kororka noocyada kala duwan ee garaaf garaynta joogtada ah, hagaajinta hannaanka, iyo hagaajinta tayada. Tusaale ahaan, Jarmalka iyo Jabbaan waxay ku dhiiradaan inay lacag badan ku qarash gareeyaan geeddi-socodka horumarinta garaaf garaynta joogtada ah, sidaa darteed waxay soo saaraan noocyo badan oo garaaf garayn joogto ah, tayada sidoo kale way ka sii fiican tahay. Noocyada Copper iyo teknolojiyadda sii shubka joogtada ah ayaa sidoo kale horumarsan.

2) Jihada horumarinta wax soo saarka, wadamada shisheeye waxay fiiro gaar ah uyeelanayaan horumarinta garaafka, cufnaanta sare, isotropic graphite sida garaaf garaynta joogtada ah. Gaar ahaan, shirkadda Jarmalka ee Linsdorf waxay khibrad aad u badan ku uruurisay aaggan waxayna qaadatay tallaabooyin badan. Shirkada Japan ee Toyo Tansuo ayaa iyaduna aad u soo qabatay, waxayna leedahay awood ay ku dhaafto. Dalka Shiinaha, Dongshin Electric Carbon Plant iyo Shanghai Carbon Plant waxay ku guuleysteen aaggan dhowr sano ka hor. Si loo hagaajiyo waxqabadka dusha shaqada ee garaafka garaafka garaafka, tiknoolajiyada dusha sare ayaa la qaatay, taas oo saameyn weyn ku leh hagaajinta nolosha adeegga garaaf garaynta joogtada ah. Midowgii Soofiyeeti wuxuu qaatay tiknoolajiyada dahaadhka boron nitride, halka dahaadhka garaafka joogtada ah ee dalkayga inta badan lagu keydiyo graphite pyrolytic In kasta oo aan si ballaaran loo baahin, haddana waxaa soo dhaweeyay adeegsadayaal badan. Intaa waxaa sii dheer, Shirkadda 'Shanghai Electric Carbon Plant' sidoo kale waxay isticmaashaa qaaciddada dhaqameed ee lagu daro 0.6 ilaa 2% birta oksaydhka ah, waxayna isticmaashaa farsamooyinka birtaas oksaydhka ah si loogu beddelo carbides barta dhalaalaysa ee sare 2500 ℃ garaafis heer-kulkeedu sarreeyo, taas oo markaa kor u qaadeysa caabbinta qiiqa. garaaf garaynta joogtada ah. Si loo gaaro ujeedada hagaajinta nolosha adeegga.

3) Qeexitaanka baaxada weyn ee garaaf garaynta joogtada ah wuxuu noqday mudnaanta koowaad. Marka la eego xaqiiqda ah in tayada garaaf garaynta baaxadda weyn ee ballaadhan uu leeyahay farqi weyn marka loo eego waddamada shisheeye, waa in dadaal badan la sameeyaa si loo horumariyo. Tani waxay u qalantaa dareenka soo-saareyaasha ku habboon, labadaba marka laga hadlayo faa'iidooyinka bulshada iyo dhaqaalaha.

4) Dalkeyga, teknolojiyadda tuurista joogtada ah ee astaamaha naxaasku si deg deg ah ayey u horumartay, waxay bilaabatay goor hore, waxay leedahay baaxad weyn, waxayna leedahay khibrad qaangaar ah oo hodan ah. Tikniyoolajiyadda sii shubka ee joogtada ah ee qaababka shubista ee joogtada ah waa cusub oo la soo saaray, iyo tiknoolajiyada sii wadida ee joogtada ah ee loo baahan yahay In kasta oo garaafka kabka wali la isticmaali karo, horumarin dheeraad ah iyo horumarin ayaa lagama maarmaan ah.

5) Cilmi-baaris waa in lagu sameeyaa si loo hagaajiyo saxnaanta mashiinka caaryada garaafka loo shubay ee joogtada ah loona hagaajiyo qaab-soo-saarka. Tani sidoo kale waa mid ka mid ah tallaabooyinka lagu hagaajinayo nolosha crystallizer garaafka garaafka. Jarmalka iyo Midowgii Soofiyeeti waxay leeyihiin shuruudo cad oo ku saabsan saxitaanka qalabka wax soo saarka, iyo dadka isticmaala gudaha sidoo kale waxay rajaynayaan in qallafsanaanta gidaarka gudaha ee garaaf garaynta joogtada ah la horumarin karo, taas oo si wax ku ool ah uga hortagi karta dildilaaca dusha sare ee ridaya. Intaa waxaa dheer, si loo hagaajiyo gobolka xiriirka. Qaabka iyo qaabdhismeedka garaaf garaynta joogtada ah waa in la hagaajiyaa si meesha xiriirku ka dhexeeyo iyo caaryada naxaasku ay gaaraan 80%.


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