I-Expandable graphite yi-graphite intercalation compound ephathwa ngokukodwa equlethe ii-asidi okanye ii-oxidizing agents ezifakwe phakathi kwee-graphite layers, kwaye xa ichaphazeleka kubushushu obuthile bokusebenza, ii-interlayer compounds zibola ngokukhawuleza, zikhupha umthamo omkhulu wegesi onyanzela isakhiwo se-graphite ukuba sande kakhulu kwicala le-c-axis, zenze into efana ne-worm, enemingxuma eyaziwa ngokuba yi-expanded graphite, esetyenziswa kakhulu kwiinkqubo zokuthintela umlilo, izinto zokuvala, ukufakelwa kobushushu, kunye nokusetyenziswa kobunjineli bemizi-mveliso.

Ngokungafaniyo negrafiti yendalo ethambileyo okanye igrafiti encinci ekristale esetyenziswa kwi-metallurgy okanye kwi-lubrication, igrafiti enokwandiswa ayixatyiswa kakhulu ngumxholo wayo wekhabhoni kuphela kodwa ngenxa yendlela yayo eyahlukileyo yokwandiswa, eguqula isakhiwo esixineneyo sibe yinto ebanzi kakhulu, enoxinano oluphantsi, enomgangatho ophezulu eneempawu ezintsha zomzimba ngokupheleleyo.

Ukuqonda i-graphite enokwandiswa kufuna ukugxila kwindlela yayo yokuguqula, indlela esebenza ngayo kwimizi-mveliso, kunye neenzuzo zokusebenza ezibonelelayo emva kokwandiswa, ingakumbi kwiinkqubo zokhuseleko ezishushu kakhulu kunye nobunjineli bezinto eziphucukileyo.

Njaniigrafayithi enokwandiswaiyakhula xa kusebenze ubushushu

Uphawu oluphambili lwe-graphite enokunwebeka kukusabela kwayo kokukhula kobushushu, okwenzeka xa ii-compounds zeekhemikhali ezidityanisiweyo phakathi kwee-graphite layers zifikelela kubushushu bokubola kwaye zivelise uxinzelelo lwegesi ngaphakathi kwesakhiwo sekristale.

● Iikhompawundi ze-intercalation ziqhekeka ngokukhawuleza xa zishushu
● Igesi eninzi ikhutshwa phakathi kweengqimba zegrafiti
● Uxinzelelo lwangaphakathi lunyanzela ukuba iileya zegrafiti zahlulwe ecaleni kwe-crystal axis
● Le nto ikhula ibe yisakhiwo esifana nempethu okanye esimile okwe-accordion

Le nkqubo ikhawuleza kakhulu kwaye ayinakuguqulwa, nto leyo ethetha ukuba xa sele isanda, isakhiwo segrafiti sitshintsha ngokusisigxina sibe yigrafiti ekhulisiweyo enomthamo omkhulu kunye nommandla womphezulu.

Utshintsho lwesakhiwo ukusuka kwi-graphite encinci ukuya kwi-graphite ekhulisiweyo

Ngaphambi kokwandiswa, i-graphite enokunwebeka ibonakala njengezinto ezixineneyo apho ii-chemical agents zifakwa phakathi kwe-graphite planes, kodwa emva kokusebenza kobushushu, isakhiwo sitshintsha kakhulu sibe yinto eneembobo, enoxinano oluphantsi.

● Umthamo unganda amaxesha amaninzi xa kuthelekiswa nobukhulu begrafiti yokuqala
● Uxinano luyancipha kakhulu emva kokwandiswa
● Indawo yomphezulu iyanda kakhulu ngenxa yokwahlulwa kwamaleko
● Iifom zesakhiwo esineembobo ezinobunzima obuphezulu kunye nokuguquguquka

Olu tshintsho lubangela ukuba i-graphite eyandisiweyo iziphatha ngendlela eyahlukileyo kakhulu kwizinto ze-graphite zemveli kwizicelo zoshishino.

Kutheni i-graphite eyongezwayo ibalulekile kwizicelo zoshishino

I-graphite eyongezwayo isetyenziswa kakhulu kumashishini afuna izixhobo zokusebenza eziphezulu ezikwaziyo ukuphendula kubushushu, uxinzelelo, kunye neemfuno zokutywina, ingakumbi kwiinkqubo ezibalulekileyo zokhuseleko apho ukumelana nomlilo kunye nokufakwa kobushushu kubalulekile.

● Ibonelela ngokusebenza okugqwesileyo kokurhoxisa ilangabi kwiinkqubo zepolymer
● Yenza iileya zokukhusela xa kutsha umlilo
● Iphucula ubushushu kwizixhobo zoshishino
● Iphucula ukusebenza kokutywina kwiindawo ezinobushushu obuphezulu

Ngenxa yezi mpawu, i-graphite eyongezwayo isetyenziswa kakhulu kubunjineli bokhuseleko lomlilo, izixhobo zokwakha, kunye nobuchwepheshe bokuvala i-industrial.

Ukusetyenziswa kwiinkqubo zokukhusela umlilo ezithintela amalangatye

Enye yezona ndlela zibalulekileyo zokusetyenziswa kwegrafiti eyandisiweyo kukwizinto ezithintela ilangatye, apho indlela yayo yokwandisa inceda ekudaleni umqobo wokukhusela ngexesha lokuvezwa ngumlilo.

● Iyanwebeka phantsi kobushushu ukuze yenze umaleko wekhabhoni okhuselayo
● Ithintela ioksijini kunye nokudluliselwa kobushushu kwizinto ezingaphantsi
● Inciphisa ukusasazeka komlilo kwiipolymers nakwizinto ezidityanisiweyo
● Iphucula ukusebenza kokhuseleko lomlilo kwizixhobo zokwakha

Isetyenziswa kakhulu kwiingubo ezingatshiyo, kwiplastiki ezongeziweyo, kwiintambo, nakwiibhodi zokukhusela umlilo apho kufuneka khona ukhuseleko lomlilo olungenamsebenzi.

Indima kwimizi-mveliso yokuvala kunye ne-gasket

I-grafiti eyandisiweyo ikwasetyenziswa kakhulu kwiinkqubo zokutywina ezisebenza kakuhle ngenxa yokucinezeleka kwayo, ukuguquguquka kwayo, kunye nokumelana neemeko zobushushu obugqithisileyo.

● Yenza amaphepha okutywina anoxinano olukhulu kunye nokucinezeleka okugqwesileyo
● Ilungelelanisa nemiphezulu yeflange engacwangciswanga ukuze itywinwe ngokuthembekileyo
● Igcina ukusebenza kakuhle phantsi kobushushu obuphezulu kunye nemijikelo yoxinzelelo
● Ayimelani nokugqwala kweekhemikhali kwiindawo zoshishino

Ezi mpawu zenza ukuba ibe yinto ephambili ekuveliseni iigasket kwizityalo zepetrochemical, izikhululo zamandla, kunye neenkqubo zemibhobho yemizi-mveliso.

Ukufakwa kwe-thermal kunye nezicelo zobunjineli obuphezulu

Ngenxa yesakhiwo sayo esineembobo kunye nokuqhuba kwayo ubushushu obuphantsi, i-graphite ekhulisiweyo ikwasetyenziswa kakhulu kwiinkqubo zokukhusela ubushushu apho ulawulo lobushushu lubaluleke kakhulu.

● Inciphisa ukudluliselwa kobushushu kwii-oven zemizi-mveliso kunye nee-reactors
● Ibonelela ngezisombululo zokukhusela ezikhaphukhaphu kwiinkqubo zobushushu obuphezulu
● Iphucula ukusebenza kakuhle kwamandla kwiinkqubo zobushushu eziqhubekayo
● Igcina ulwakhiwo luzinzile phantsi kweemeko zobushushu obugqithisileyo

Oku kuyenza ifaneleke kwizixhobo zoshishino eziphambili apho kufuneka khona ukhuseleko lobushushu kunye nokuthembeka koomatshini.

Iingenelo zezinto ezibonakalayo zegrafiti eyandisiweyo

Igrafiti ekhulisiweyo inika indibaniselwano eyahlukileyo yeempawu zomzimba nezekhemikhali eziyahlula kwizinto zekhabhoni eziqhelekileyo.

● Indawo ephezulu kakhulu ngenxa yokwandiswa kweengqimba
● Uxinano oluphantsi kunye noxinzelelo oluphezulu kunye nokuguquguquka
● Ukumelana kakuhle nobushushu kwiindawo ezinobushushu obuphezulu
● Uzinzo oluqinileyo lweekhemikhali kwiimeko ze-asidi kunye ne-alkaline
● Ukulungelelaniswa kakuhle kwezinto ezidityanisiweyo

Ezi zibonelelo zivumela ukuba isetyenziswe kumacandelo amaninzi emizi-mveliso aneemfuno ezahlukeneyo zokusebenza.

Ukuguquguquka kokucubungula imveliso kunye neefom zemveliso

Emva kokwandiswa, i-graphite ingacutshungulwa ibe ziimveliso ezahlukeneyo zoshishino ngokuxhomekeke kwiimfuno zokusetyenziswa kunye neemfuno zokusebenza.

● Amaphepha e-graphite aguquguqukayo okufaka izicelo zokutywina
● Izinto zokupakisha zegrafiti zeempompo kunye neevalvu
● Izongezo ezithintela ilangatye kwiipolymers kunye neeplastiki
● Iibhodi zokukhusela ubushushu kunye nezinto ezidityanisiweyo

Olu buchule lwenza i-grafiti ekhulisiweyo ibe yinto exabisekileyo kakhulu kwiinkqubo zokuvelisa eziphambili.

Kutheni i-graphite eyongezwayo yahlukile kwezinye iintlobo ze-graphite

I-graphite enokunwebeka akufuneki idideke ne-natural flake graphite okanye i-microcrystalline graphite kuba ixabiso layo alisekelwe kubumsulwa bekhabhoni kodwa lixhomekeke kubuchule bayo bokunwebeka obulawulwayo.

● Igrafayithi yendalo isetyenziselwa kakhulu ukuqhuba nokulungisa isinyithi
● I-Microcrystalline graphite isetyenziselwa ukusetyenziswa kwekhabhoni enkulu kwimizi-mveliso
● I-graphite eyongezwayo yenzelwe ngokukodwa ukusebenza kobushushu kunye nokuguqulwa kwesakhiwo

Lo mahluko wokusebenza yiwo owenza i-graphite enwebekayo ibe yeyahlukileyo kusapho lwezinto ze-graphite.

Isiphelo

I-graphite eyongezwayo yi-graphite intercalation compound ephathwa ngeekhemikhali ebola ngokukhawuleza ukuze ivelise i-graphite eyandisiweyo enesakhiwo esifana ne-worm, kwaye olu tshintsho luyinika iipropati ezibalaseleyo kwi-flame retardancy, sealing, thermal insulation, kunye nezicelo zobunjineli bemizi-mveliso.

Amandla ayo okukhula kakhulu phantsi kobushushu ayenza ibe yinto ebalulekileyo esebenzayo kwiinkqubo zokhuseleko, izixhobo ezishushu kakhulu, kunye nokuveliswa kwezinto ezidityanisiweyo eziphambili, apho iifom zegrafiti zemveli zingenakubonelela ngenqanaba elifanayo lokusebenza.

Njengoko imigangatho yokhuseleko lwemizi-mveliso kunye neemfuno zokusebenza kwezinto ziqhubeka zisanda, i-graphite eyongezwayo iya kuhlala iyinto ebalulekileyo esebenzayo yekhabhoni kumashishini emveliso ehlabathi.

FAQ

1. Yintoni i-graphite enokwandiswa esetyenziselwa yona kushishino?

I-graphite eyongezwayo isetyenziswa kakhulu kwizinto ezithintela ilangatye, ii-gaskets zokuvala, iinkqubo zokukhusela ubushushu, kunye nokusetyenziswa kokhuseleko kwimizi-mveliso apho kufuneka khona ukumelana nobushushu kunye nokuziphatha kokwandisa.

2. I-graphite enokukhuliswa iguquka njani ibe yi-graphite ekhutshiweyo?

Xa ifudunyezwa kubushushu obuthile, iikhompawundi ezidityanisiweyo ngaphakathi kwigrafiti ziyabola zize zikhuphe igesi, nto leyo enyanzela ukuba iileya zegrafiti zande ngokukhawuleza zibe yisakhiwo esifana neembovane, esifana nempethu esibizwa ngokuba yigrafiti eyandisiweyo.

3. Yintoni eyenza i-grafiti ekhulisiweyo ibe luncedo ekukhuseleni umlilo?

Igrafayithi eyandisiweyo iyakhula phantsi kobushushu ukuze yenze umaleko wekhabhoni okhuselayo othintela ioksijini kunye nokudluliselwa kobushushu, okunceda ekunciphiseni ukusasazeka komlilo kwizinto.

4. Ngaba igrafiti enokwandiswa iyafana negrafiti yendalo?

Hayi, i-graphite enokukhuliswa yi-graphite yendalo ephathwa ngeekhemikhali eyenzelwe ukwanda phantsi kobushushu, ngelixa i-graphite yendalo isetyenziselwa ikakhulu ukuqhuba, ukuthambisa, kunye nokusetyenziswa kwe-metallurgical.