Akụrụngwa: Gịnị bụ akụrụngwa eji emepụta carbon?
Na mmepụta carbon, akụrụngwa a na-ejikarị eme ihe nwere ike kewaa n'ime akụrụngwa carbon siri ike na ihe nkedo na ihe na-emepụta ihe.
Ngwa ngwa carbon siri ike gụnyere mmanụ ala coke, coke bituminous, coke metallurgical, anthracite, graphite eke na graphite scrap, wdg.
Ihe na-ekekọta na ihe na-emepụta ihe gụnyere coal pitch, coal tar, mmanụ anthracene na resin sịntetik, wdg.
Tụkwasị na nke ahụ, a na-ejikwa ụfọdụ ihe enyemaka dị ka ájá quartz, ihe ndị na-emepụta ihe na-emepụta ihe na coke ntụ ntụ.
A na-emepụta ụfọdụ ngwaahịa carbon na graphite pụrụ iche (dịka eriri carbon, carbon arụ ọrụ, carbon pyrolytic na pyrolytic graphite, carbon carbon) site na ihe ndị ọzọ pụrụ iche.
Calcination: kedu ihe bụ calcination? Kedu ihe akụrụngwa kwesịrị ka a kụọ ya?
A na-akpọ usoro ọgwụgwọ okpomọkụ calcination.
Calcination bụ usoro ọgwụgwọ okpomọkụ mbụ na mmepụta carbon.Calcination na-ebute mgbanwe dị iche iche na nhazi yana njirimara anụ ahụ na kemịkalụ nke ụdị akụrụngwa carbonaceous niile.
Coke na-etolite okpomọkụ nke coke bituminous na coke metallurgical dị oke elu (karịa 1000 Celsius C), nke dabara na okpomọkụ nke ọkụ na-eme ka ọkụ dị na osisi carbon.Ọ nwekwaghị ike ịgbakọ ma ọ dị mkpa naanị ka ejiri mmiri kpoo nkụ.
Agbanyeghị, ọ bụrụ na ejiri coke bituminous na coke petroleum ọnụ tupu ịgbakọta, a ga-eziga ha na calciner maka ịgbakọ ọnụ yana coke mmanụ.
Grafite eke na carbon ojii anaghị achọ calcination.
Usoro ịkpụzi extrusion bụ tumadi usoro nrụrụ plastik nke mado.
A na-eme usoro extrusion nke tapawa n'ime ụlọ ihe (ma ọ bụ cylinder paste) na oghere arc okirikiri.
The na-ekpo ọkụ mado na loading ụlọ bụ chụpụrụ azu isi plunger.
A na-amanye gas dị na pasta ahụ ka ọ na-achụpụ ya mgbe niile, a na-ejikọta ya na ihe ntanye na-aga n'ihu n'otu oge ahụ.
Mgbe tapawa ahụ na-agagharị na akụkụ cylinder nke ụlọ ahụ, enwere ike iwere tapawa ahụ dị ka mmiri siri ike, na oyi akwa granular bụ ihe yiri ya.
Mgbe mado na-abanye n'akụkụ nke extrusion nozulu na arc deformation, na mado nso n'ọnụ mgbidi bụ isiokwu ka ukwuu esemokwu nguzogide n'ihu, ihe na-amalite na-ehulata, na mado n'ime na-arụpụta dị iche iche tupu ọsọ, n'ime mado aga n'ihu na. aga n'ihu, n'ihi na ngwaahịa tinyere radial njupụta bụghị edo, otú na extrusion ngọngọ.
N'ikpeazụ, tapawa na-abanye n'ime akụkụ deformation linear na extruded.
Nri bụ usoro ọgwụgwọ okpomọkụ nke ngwaahịa raw abịakọrọ na-ekpo ọkụ n'otu oge n'okpuru ọnọdụ nke ikewapụ ikuku na ihe nchebe na ọkụ ọkụ.
N'ime usoro iri nri, n'ihi mkpochapụ nke ihe na-agbanwe agbanwe, coking nke asphalt na-etolite grid coke, decomposition na polymerization nke asphalt, na nhazi nke nnukwu netwọk ụgbọ elu hexagonal carbon mgbanaka, wdg, resistivity belatara nke ukwuu. Ihe dị ka 10000. x 10-6 raw ngwaahịa resistivity Ω "m, mgbe a richara site 40-50 x 10-6 Ω" m, a na-akpọ ezigbo ndị nduzi.
Mgbe anụchachara, ngwaahịa a na-ebelata ihe dịka 1% na dayameta, 2% n'ogologo na 2-3% na olu.
Otú ọ dị, mgbe ịsachara ngwaahịa ndị ahụ e tere mmanụ, akụkụ nke asphalt coal na-aghọ gas wee gbapụ, akụkụ nke ọzọ na-abanyekwa n'ime coke bituminous.
Olu coke bituminous emepụtara dị obere karịa nke bitumen coal.Ọ bụ ezie na ọ na-adaba ntakịrị n'ime usoro ịsa nri, ọtụtụ oghere na-adịghị agafe agafe na obere oghere nwere oghere dị iche iche ka na-etolite na ngwaahịa ahụ.
Dịka ọmụmaatụ, ngụkọta porosity nke ngwaahịa graphitized na-abụkarị 25-32%, yana nke ngwaahịa carbon bụ 16-25%.
Ịdị adị nke ọnụ ọgụgụ buru ibu nke pores ga-emetụta ọdịdị anụ ahụ na kemịkal nke ngwaahịa.
N'ikwu okwu n'ozuzu, graphitized ngwaahịa na ụba porosity, mbelata olu njupụta, ụba resistivity, n'ibu ike, na a ụfọdụ okpomọkụ nke ọxịdashọn ọnụego na-accelerated, corrosion iguzogide na-na-akawanye njọ, gas na mmiri mmiri ọzọ mfe permeable.
Impregnation bụ usoro iji belata porosity, mụbaa njupụta, na-abawanye ike mkpakọ, belata ihe mgbochi nke ngwaahịa emechara, ma gbanwee ọdịdị anụ ahụ na kemịkal nke ngwaahịa ahụ.
Ebumnobi ya bụ:
(1) Melite thermal na eletrịkị nke ngwaahịa.
(2) Iji meziwanye nguzogide ujo okpomọkụ na nkwụsi ike nke ngwaahịa ahụ.
(3) Meziwanye mmanu mmanu na iyi nguzogide nke ngwaahịa.
(4) Wepu ihe ndị na-adịghị ọcha ma kwalite ike ngwaahịa.
Ngwaahịa carbon agbakwunyere nwere ụfọdụ nha na ọdịdị nwere ogo nrụrụ dị iche iche na mmebi nkukota n'oge ịsa nri na eserese.N'otu oge ahụ, a na-ejikọta ụfọdụ ihe ndochi n'elu ngwaahịa carbon abịakọrọ.
Enweghị ike iji ya na-enweghị nhazi ígwè ọrụ, ya mere, ngwaahịa a ga-eme ka ọ bụrụ ọdịdị ma hazie ya ka ọ bụrụ ọdịdị geometric akọwapụtara.
(2) Mkpa maka ojiji
Dị ka onye ọrụ chọrọ maka nhazi.
Ọ bụrụ na graphite electrode nke ọkụ eletrik steelmaking chọrọ jikọọ, ọ ga-mere n'ime threaded oghere na ma nsọtụ nke ngwaahịa, mgbe ahụ abụọ electrodes kwesịrị jikọọ na-eji na pụrụ iche threaded nkwonkwo.
(3) chọrọ teknụzụ
Ekwesịrị ịhazi ngwaahịa ụfọdụ ka ọ bụrụ ụdị pụrụ iche na nkọwapụta dịka mkpa teknụzụ nke ndị ọrụ siri dị.
Ọbụlagodi ala ala ala ka achọrọ.
Oge nzipu: Dec-10-2020