Rp hp uhp dia 200 graphite electrode rau arc rauv

Yam		Ib yam	Kheej		Hp		Uhp
			250-400	450-800	300-400	450-700	300-400	450-700
Hluav Taws Xob Tiv Thaiv	Khoom siv hluav taws xob	μΩ.m	7.5-8.6	7.5-8.8	5.5-6.8	5.5-7.0	4.6-6.0	4.8-6.2
	Lub txiv mis		4.5-5.5		4.0-5.0		3.5-4.5
Dab tsi yog khoov zog	Khoom siv hluav taws xob	MPa	Ntau dua los yog sib npaug rau 8.0		Ntau dua los yog sib npaug rau 11.0		Ntau dua los yog sib npaug rau 11.0
	Lub txiv mis		Ntau dua los yog sib npaug rau 15.0		Ntau dua los yog sib npaug rau 16.0		Ntau dua los yog sib npaug rau 18.0
Elastic modulus	Khoom siv hluav taws xob	GPA	Tsawg dua los yog sib npaug rau 9.0		Tsawg dua los yog sib npaug rau 11.0		Tsawg dua los yog sib npaug rau 13.0
	Lub txiv mis		Tsawg dua los yog sib npaug rau 13.0		Tsawg dua los yog sib npaug rau 14.0		Tsawg dua los yog sib npaug rau 15.0
Ceev ntom	Khoom siv hluav taws xob	g / cm3	1.55-1.65		1.63-1.73		1.65-1.75
	Lub txiv mis		1.70-1.75		1.73-1.80		1.75-1.82
Txhos	Khoom siv hluav taws xob	%	Tsawg dua los yog sib npaug rau 0.3
	Lub txiv mis
CTE (100-600) ºC	Khoom siv hluav taws xob	10-6/ºC	2.00-2.50		1.80-2.00		1.30-1.50
	Lub txiv mis		1.50-1.80		1.50-1.80		1.20-1.40

Txais tos hu rau peb rau kev hais.

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Arc rauv cov khoom hluav taws xob hauv -}} Tshwj xeeb cov neeg siv hluav taws xob ua kom zoo, uas tau txais kev cuam tshuam nrog kev cuam tshuam nrog ib puag ncig. Tshaj dhau lawv cov haujlwm tseem ceeb hauv kev siv hlau, cov ntawv hluav taws xob hauv cov khoom siv science thiab engineering.

Ib qho kev tsim qauv tsim nyog yog qhov ploj zuj zus. Electrode Tiv thaiv tsis taus, yog txo los ntawm high {1} {{{{{{{{{} {} sulfur roj coke) thiab mus txog 3,000 degree). Txo cov khoom siv tsis tshua muaj cua sov yog khib li joule cua sov, cia ua kom sov ua haujlwm ntawm qis dua volfages thiab ntau dua kev ua hluav taws xob. Piv txwv li, UHP cov hluav taws xob txo qis kev siv hluav taws xob los ntawm 15-20% piv rau cov qauv hluav taws xob.

Kev tswj hwm kev ntsuas thermal yog qhov tseem ceeb tshaj plaws. Arc Furnaces tsim kev mob siab, ib cheeb tsam cua sov, ua rau thermal expansion thiab mertaction uas tuaj yeem tawg cov electrodes. Cov Qauv Kev Tsim Kho Niaj Hnub Sau Txhim Kho Cov Khoom Siv Hluav Taws Xob Cov tweaks no txuas ntxiv hluav taws xob los ntawm 30-50% hauv qhov siab - kev ua haujlwm.

Cov thev naus laus zis siv zog yog txhim kho los ntawm kev npliag. Cov hluav taws xob tau ua kom nruj nrog qhov ntev ntev (piv txwv li, ± 1 hli rau kom muaj kev faib tawm tam sim no, txo cov pob kub. Threaded kev sib txuas (qauv ib astm D2796) yog precision-}} kev ntsuas kev lag luam thiab kev ntxhov siab thaum lub zog ua haujlwm.

Raws li EAFs loj hlob loj dua (qee tam sim no tshaj 300 tons ntawm seem rau ib tus nqi), electrode tsim yuav tsum hloov. Kev nrhav hluav taws xob zoo li Modular electrodes (hloov cov nqe lus Nyob rau hauv ib txoj haujlwm uas txhua feeb ntawm kev ua kom sov siab txhais tau tias muaj txiaj ntsig, cov kev nce qib no tsis yog tsuas yog technical- Lawv yog kev lag luam tsis zoo.