Babban Zazzabi Carbon Electrode don Neman Aikace-aikacen Masana'antu 

Tanderun masana'antu ba sa kasawa a 800 ° C. Suna kasawa a 1,450°C—lokacin da graphite yayi laushi, mai ɗaure ya ɓata, kuma zafin zafi yana fashe tushen lantarki. Mun ga abin da ya faru a cikin layukan siliki carbide sintering, a cikin jujjuyawar murhun murhun wuta, da kuma lokacin hawan gaggawa inda masu aiki suka matsa sama da ƙayyadaddun bayanai-sannan suka kalli wayoyin lantarki suna zubar da flakes kamar ƙonawa.

Don haka a carbon electrode tare da high zafin jiki rating ba kawai game da "tsarin zafi ba." Yana da game da kwanciyar hankali mai girma a ƙarƙashin hawan zafin jiki, ci gaba da wutar lantarki a 1,600 ° C, da amincin injina lokacin da zaizayar ƙasa ta gamu da saurin sanyi. A Hebei Ruitong Carbon Co., Ltd., mun samar da na'urorin lantarki na carbon don buƙatar aikace-aikacen masana'antu tun daga 1985-ba a matsayin kayan kasida ba, amma a matsayin kayan aiki masu mahimmanci da aka gwada a cikin kilns na ainihi, ba dakunan gwaje-gwaje ba.

Me Ke Sa Babban Zazzabi Carbon Electrode Yayi Aiki A Haƙiƙa?

Yawancin masu samarwa suna lissafin "mafi yawan zafin jiki" a matsayin lamba ɗaya. Wannan yaudara ce. Na'urar lantarki da aka ƙididdige zuwa 1,800°C na iya riƙe siffa-amma idan ƙarfin ƙarfinsa ya ƙaru 37% tsakanin 1,200°C da 1,500°C, shigar da wutar lantarki ya zama mara ƙarfi. Idan ƙimar haɓakar haɓakar thermal (CTE) ta wuce 4.2 × 10⁻⁶ /°C sama da 1,300°C, zai gaji a wurin matsewa. Idan abun cikin toka ya wuce 0.18%, gurɓataccen ƙarfe yana lalata batches masu tsafta.

Muna auna sigogi huɗu waɗanda ba za a iya sasantawa ba-ba ɗaya ba:

• Real-time resistivity kwana daga 25 ° C zuwa 1,800 ° C (ba a haɗa shi ba)
• Radial CTE kwanciyar hankali Tsawon zagayowar thermal uku (25°C → 1,600°C → 25°C)
• Digiri na zane-zane tabbatarwa ta XRD (≥92% crystallinity don> sabis na 1,500°C)
• Juriya ƙaura mai ɗaure An tabbatar ta hanyar giciye-sashe SEM bayan 72-hour jiƙa a 1,650 ° C a cikin inert yanayi

Jerin mu na RT-HG, alal misali, yana amfani da kayan abinci na coke na allura tare da ƙayyadaddun carbon 99.97% da tsarin ɗaure mai mallakar mallaka wanda aka warke a 1,100°C kafin zane. Girman ƙarshe: 1.72 g/cm³. Rashin ƙarfi: ≤12%. Waɗannan ba ma'auni ba ne na lab-ƙidiyoyin da aka gwada da yawa da aka buga akan kowane rahoton batch na lantarki.

Me yasa Standard Graphite Electrodes suka kasa Inda Babban Harumin Carbon Yayi Nasara

Wasu na iya jayayya cewa na'urorin lantarki na graphite suna aiki lafiya har zuwa 1,600 ° C. Wannan gaskiya ne — don ɗan gajeren lokaci, a cikin tsayayyen yanayi, tare da daidaitaccen jeri. Amma yanayi na ainihi ya bambanta.

A cikin samar da ferroalloy, na'urorin lantarki suna jure maimaita ɗaukar nauyi na mintuna 15 tare da skimming na mintuna 5. Thermal gradients ya wuce 600 ° C/cm. Daidaitaccen graphite yana haɓaka microcracks a cikin sa'o'i 42. Na'urorin mu na RT-HG-1200 sun wuce sa'o'i 117 a ƙarƙashin zagayowar ayyuka iri ɗaya - an tabbatar da su a cikin kamfen ɗin tanderu 19 a cikin Mongoliya na ciki da Guangxi.

Bambancin ya ta'allaka ne a cikin tsari, ba kimiyya ba. Standard graphite yana da manyan, anisotropic crystallites. Ƙarƙashin damuwa na thermal, fasa yana yaduwa tare da jiragen basal. Babban zafin carbon mu yana amfani da ƙarfafa matrix isotropic carbon matrix-mai kyau-mai kyau, daidaitacce, tare da iyakokin hatsi masu tsaka-tsaki. Ba ya * tsayayya * tsagewa. Yana * sha * kuzari ta hanyar cibiyoyin sadarwa masu kara kuzari.

Wannan ba ka'idar ba ce. Abokin ciniki ɗaya ya canza daga graphite da aka shigo da shi zuwa RT-HG-1200 a cikin reactor titanium dioxide chloride. Mitar maye gurbin lantarki ya ragu daga kowane kwanaki 9 zuwa kowane 22. Ƙarfin wutar lantarki ya inganta 4.3% - ba daga mafi girma ba, amma daga tsayayyar lamba a wurin mai riƙewa.

Zaɓin Madaidaicin Carbon Electrode tare da Matsayin Maɗaukakin Zazzabi

Kada ku fara da zafin jiki. Fara da yanayin gazawar ku.

• Idan fashewar lantarki ya faru kusa da matsi na sama, kuna buƙatar ƙarfin sassauƙa mafi girma a 1,000 ° C - ba max mai zafi ba.
• Idan arcing ya faru a tsakiyar-electrode yayin hawan sama, mayar da hankali kan layin tsayayya-ba zafin jiki na ƙarshe ba
• Idan rami ya bayyana bayan sa'o'i 30, duba abun cikin ash da matakan sulfur-ba CTE ba

Muna yi wa abokan ciniki tambayoyi uku kafin a faɗi:

1. Menene ainihin yanayin zafin ku na *dauwama*-ba karatun kololuwa ba-kuma tsawon tsawon kowane zagaye?
2. Menene matsakaicin ƙimar zafin ku (°C/min) daga yanayi zuwa yanayin aiki?
3. Kuna amfani da iska, nitrogen, argon, ko rage gas? (Oxygen partial pressure yana canza iskar oxygen kinetics fiye da yanayin zafi)

Wutar lantarki ta RT-HG-1500 tana kashe 22% fiye da daidaitaccen graphite-amma yana yanke lokacin da ba a shirya ba da kashi 68% a cikin ci gaba da layukan tace silicon. ROI ba a lissafin kowace tan na carbon. Ana auna ta awa ɗaya na samun tanderu.

Neman Gaba: Bayan 1,800°C

Yanzu muna gwada na'urorin lantarki na RT-HG-XL tare da boron carbide doping don sabis har zuwa 2,100°C a cikin juzu'i na gwaji. Sakamakon farko ya nuna 3.1× ƙananan adadin iskar shaka a 1,900°C a cikin 10% O₂–N₂ cakuɗe da makamancin da ba a gama ba. Amma ba za mu yi jigilar su ba har sai gwaje-gwajen filin sun tabbatar da rayuwar sabis na sa'o'i 200 a cikin samarwa mai aiki - babu keɓancewa.

Saboda na'urar lantarki mai yawan zafin jiki yana samun amincewa ba ga takaddun bayanai ba, amma a cikin shiru tsakanin rufewa - kwanciyar hankali na kwanciyar hankali, rashin kiran gaggawa a karfe 3 na safe, nauyin cikakken tsari ya ja ba tare da katsewa ba.

Hebei Ruitong Carbon Co., Ltd. yana aiki da kayan aikin murabba'in murabba'in 415,000 tare da cikakken sarrafa albarkatun ƙasa a cikin gida, yin burodi, graphitization, injina, da labs na QA. Kowane lantarki na RT-HG yana ɗauke da lambobi masu yawa, cikakkun bayanan tarihin zafi, da rahotannin tabbatarwa na ɓangare na uku. Za ku sami takaddun fasaha, ƙa'idodin gwaji, da bayanan aikace-aikacen a rtcarbon.com-ba tallan talla ba, amma bayanan injiniya za ku iya ɗauka zuwa ƙungiyar tanderun ku gobe.