Kupanga njira yopangira graphite yotenthetsera ndodo mu ng'anjo ya vacuum

Kupanga njira yopangira graphite yotenthetsera ndodo mu ng'anjo ya vacuum

Vacuum ng'anjographite ndodoimatchedwanso vacuum ng'anjo yotentha ya graphite. M'masiku oyambirira, anthu ankasandutsa graphite kukhala carbon, motero amatchedwacarbon ndodo. Zopangira za graphite carbon rod ndi graphite, yomwe imatchedwa kuumba zomatira. Itha kupangidwa kukhala zinthu za graphite zamitundu yosiyanasiyana, kuphatikiza ndodo yozungulira ya graphite. Chifukwa cha mawonekedwe a graphite, ali ndi mikhalidwe yabwino yapadera mongaconductivity, mafuta, kutentha kwambiri kukanandi zina zotero. Choncho, ndodo ya carbon graphite ilinsoconductivity yabwino kwambiri, kutentha conduction, mafuta,kutentha kwambiri kukanandi katundu wina. Mkhalidwe wamtsogolo ndikuti katundu wa graphite sasinthidwa. Chifukwa chake, kupanga ndi kupereka ndodo za graphite ndizosiyana, ndipo magwiridwe antchito a ndodo za graphite opangidwa adzakhala osiyana. Ndiye kusiyanitsa bwanji? Zomwe zimapangidwa ndi ma graphite zimapangidwa mwachindunji ndi ufa wa graphite ndi zomatira, kapena zimayamba kupanga zida zazikulu zamabwalo, zomwe zimakonzedwa ndi makina molingana ndi zojambula kapena mawonekedwe azinthu.
Pali kusiyana kwakukulu ndi mikhalidwe pakati pa ndodo yozungulira ya graphite yopangidwa ndi njira yoyamba ndi ndodo yozungulira ya graphite yopangidwa ndi njira yachiwiri. Chifukwa cha kuthamanga kosakwanira pa extrusion, theextruded graphite ndodondi ufa wa graphite ndi zomatira zidzakhala zofewa kwambiri, zokhala ndi kachulukidwe kakang'ono komanso kutsekeka kwakukulu kwa mpweya (pores zazikulu). Fumbi lidzagwa mwachibadwa, ndipo limabalalika litanyowetsedwa ndi mowa. Panthawi imodzimodziyo, chifukwa cha kuchuluka kwa zomatira, ma conductivity, kutentha kwa kutentha ndi kutsekemera kwa ndodo ya graphite kudzachepetsedwa kwambiri, Chifukwa chake ndi chophweka. Graphite ndi zinthu conductive ndi zomatira ndizipangizo zotetezera, yomwe imayenera kuchepetsa kwambiri madutsidwe a graphite ndodo. Dzina lokhazikika la graphite carbon rod ndi carbon arc air gouging carbon rod. Amagwiritsidwa ntchito popanga maziko. Pamwamba pake payenera kukutidwa ndi mkuwa kuti ateteze chinyezi komanso kuyendetsa magetsi. Choncho, mtundu uwu wa carbon ndodo alinso ndi mbali kuti m'mimba mwake adzakhala zosakwana 0.1-0.2mm chizindikiro, chifukwa pamwamba basi kufika awiri chizindikiro m'mimba mwake pamene yokutidwa ndi 10% zitsulo.
Ngakhale kuti njira yachiwiri imapangidwanso ndi ufa wa graphite ndi zomatira, pali kutsindika kwakukulu pa ndondomeko yake. Choyamba, ufa wa graphite ndi zomatira zimagwiritsidwa ntchito kupanga zazikulugraphite zipangizopansi pa kuthamanga kwambiri, ndiyenowopatsidwa pathupindi kuwotcha kwambiri (kutuluka kwa evaporation ndi kusinthasintha kwa zomatira). Mwa njira iyi, palibe pafupifupi zomatira mu graphite pambuyo mobwerezabwereza impregnation Kukuwotcha. Njira yakuwotcha iyi ndi yofunika kwambiri. The kuchepetsedwa graphite pambuyo impregnation Kuwotcha ali ndi makhalidwe a graphite palokha ndipo ali ndi ntchito zonse ndi makhalidwe a graphite. Chifukwa chakuti graphite yotereyi imakhala yoyera kwambiri, imatchedwansographite yapamwamba kwambiri, ndipo ndodo yopangidwa ndi graphite imatchedwanso high-purity graphite rod.