Cikakken tsarin fasaha na lantarki mai siffar graphite

Ma'anar tsarin fitar da iskar gas shine bayan manna ya ratsa bututun wani siffa a ƙarƙashin matsin lamba, ana matse shi kuma an canza shi ta hanyar filastik zuwa wani wuri mara komai tare da takamaiman siffa da girma.
Tsarin gyaran firam ɗin shine galibi tsarin gyaran filastik na manna.

Ana gudanar da aikin fitar da manna a cikin ɗakin kayan aiki (ko silinda na manna) da kuma bututun ƙarfe mai zagaye.
Manna mai zafi a ɗakin ɗaukar kaya yana tafiya ne ta hanyar babban bututun da ke bayansa.
Ana tilasta wa iskar gas da ke cikin manna a ci gaba da fitar da ita, ana ci gaba da manna manna kuma manna yana ci gaba a lokaci guda.
Lokacin da manna ya motsa a cikin ɓangaren silinda na ɗakin, ana iya ɗaukar manna a matsayin kwararar da ta dace, kuma layin granular yana daidai da juna.
Lokacin da manna ya shiga ɓangaren bututun fitar da iska tare da nakasar baka, manna kusa da bangon bakin zai fuskanci ƙarin juriyar gogayya a gaba, kayan sun fara lanƙwasawa, manna a ciki yana samar da saurin gaba daban-daban, manna na ciki yana ci gaba a gaba, wanda ke haifar da samfurin tare da yawan radial ba iri ɗaya ba ne, don haka a cikin toshewar fitarwa.

Damuwar ciki da ke faruwa sakamakon bambancin saurin yadudduka na ciki da na waje yana faruwa.
A ƙarshe, manna yana shiga ɓangaren nakasar layi kuma ana fitar da shi.

Menene gasawa? Menene manufar gasawa?

Gasawa tsari ne na sarrafa zafi inda ake dumama kayan da aka matse a wani lokaci a ƙarƙashin yanayin ware iska a cikin hanyar kariya a cikin tanderu.

(1) Banda masu canjin yanayi Ga samfuran da ke amfani da kwalta na kwal a matsayin abin ɗaurewa, kusan kashi 10% na masu canjin yanayi galibi ana fitar da su bayan an gasa su. Saboda haka, ƙimar abincin da aka gasa gabaɗaya yana ƙasa da kashi 90%.

(2) Ana gasa samfuran coking na binder bisa ga wasu yanayi na fasaha don yin coking na binder. Ana samar da hanyar sadarwa ta coke tsakanin ƙwayoyin da aka tara don haɗa dukkan ƙwayoyin da girman ƙwayoyin daban-daban, don haka samfurin yana da wasu halaye na zahiri da na sinadarai. A ƙarƙashin yanayi iri ɗaya, mafi girman ƙimar coking, mafi kyawun inganci. Matsakaicin kwalta na matsakaicin zafin jiki shine kusan 50%.

(3) Siffar lissafi mai ƙarfi

A cikin tsarin gasa kayan danye, abin da ke haifar da laushi da ƙaura mai ɗaurewa ya faru. Tare da ƙaruwar zafin jiki, hanyar sadarwa ta coking ta samo asali, wanda ke sa samfuran su yi tauri. Saboda haka, siffarsa ba ta canzawa yayin da zafin jiki ke ƙaruwa.

(4) Rage juriya
A cikin tsarin gasawa, saboda kawar da abubuwan da ke canzawa, coking na kwalta yana samar da grid na coke, rushewa da polymerization na kwalta, da kuma samar da babban hanyar sadarwa ta zoben carbon mai siffar hexagonal, da sauransu, juriyar ta ragu sosai. Kimanin 10000 x 10-6 samfuran da ba a sarrafa ba juriya Ω "m, bayan gasawa da 40-50 x 10-6 Ω" m, ana kiransa masu jagoranci masu kyau.

(5) Ƙarin rage girman sauti
Bayan gasawa, samfurin yana raguwa da kusan 1% a diamita, 2% a tsayi da 2-3% a girma.

Samfurin da aka yi amfani da shi bayan an yi masa matsi yana da ƙarancin porosity.
Duk da haka, bayan an gasa kayan da aka dafa, wani ɓangare na kwalta na kwalta yana tarwatsewa zuwa iskar gas da kuma tarkace, ɗayan kuma yana rikidewa zuwa coke mai kama da bituminous.
Yawan coke ɗin bituminous da aka samar ya fi ƙanƙanta fiye da na bitumen na kwal. Duk da cewa yana raguwa kaɗan a lokacin gasawa, ƙananan ramuka da yawa marasa tsari da girma dabam-dabam har yanzu suna samuwa a cikin samfurin.
Misali, jimlar porosity na samfuran da aka yi wa graphitized gabaɗaya har zuwa 25-32%, kuma na samfuran carbon gabaɗaya shine 16-25%.
Kasancewar adadi mai yawa na pores zai yi tasiri ga halayen zahiri da na sinadarai na samfuran.
Gabaɗaya, samfuran da aka zana tare da ƙara yawan porosity, raguwar yawan girma, ƙaruwar juriya, ƙarfin injiniya, a wani zafin jiki na ƙimar iskar shaka yana ƙaruwa, juriyar tsatsa kuma tana lalacewa, iskar gas da ruwa suna da sauƙin shiga cikin ruwa.
Shigar da ruwa wani tsari ne na rage porosity, ƙara yawan ruwa, ƙara ƙarfin matsewa, rage juriyar samfurin da aka gama, da kuma canza halayen jiki da sinadarai na samfurin.

Graphitization: Menene graphitization?

Menene manufar graphitization?

Graphitization tsari ne na maganin zafi mai zafi ta amfani da kayan gasa don dumama zuwa zafin jiki mai yawa a cikin hanyar kariya ta tanderun graphitization don sa grid ɗin jirgin sama na carbon atom mai hexagonal ya canza daga haɗuwa mara tsari a cikin sarari mai girma biyu zuwa haɗuwa mai tsari a cikin sarari mai girma uku da tsarin graphite.

Manufofinsa sune:
(1) Inganta yanayin zafi da wutar lantarki na samfurin.
(2) Don inganta juriyar girgizar zafi da kuma daidaiton sinadarai na samfurin.
(3) Inganta man shafawa da juriyar lalacewa na samfurin.
(4) Cire ƙazanta kuma inganta ƙarfin samfurin.

(1) Bukatar tiyatar filastik

Kayayyakin carbon da aka matse tare da wani girma da siffa suna da matakai daban-daban na lalacewa da lalacewar karo yayin gasawa da graphitization. A lokaci guda, wasu abubuwan cikawa suna haɗuwa a saman kayayyakin carbon da aka matse.
Ba za a iya amfani da shi ba tare da sarrafa injina ba, don haka dole ne a siffanta samfurin kuma a sarrafa shi zuwa siffar geometric da aka ƙayyade.

(2) Bukatar amfani

Bisa ga buƙatun mai amfani don sarrafawa.
Idan ana buƙatar haɗa na'urar lantarki ta graphite ta yin ƙarfe tanderu, dole ne a yi ta a cikin rami mai zare a ƙarshen samfurin biyu, sannan a haɗa na'urorin lantarki biyu don amfani da su tare da haɗin zare na musamman.

(3) Bukatun fasaha

Wasu samfuran suna buƙatar a sarrafa su zuwa siffofi da ƙayyadaddu na musamman bisa ga buƙatun fasaha na masu amfani.
Ko da ƙanƙantar saman ƙasa ma ana buƙatar ta.