da Yashi yumbu mai yumbu don kamun kifi tare da akwatin sanyi mai sanyi - Shenghuo

Sintered yumbu yashi don kamun kifi tare da akwatin sanyi mai sanyi

Takaitaccen Bayani:

Hanyar akwatin sanyi tana nufin tsarin samar da yashin guduro wanda ke daɗaɗawa/taurare ta hanyar hurawa a cikin iskar gas ko iska mai iska, kuma an samar da ita nan take a cikin ɗaki.Hanyar gama gari ita ce hanyar triethylamine, wanda ke amfani da resin phenolic-urethane kuma yana taurare ta hanyar busa iskar triethylamine.Siffofin wannan tsari sune: za'a iya amfani da yashi mai mahimmanci na dogon lokaci, lokacin zane-zane yana da gajeren lokaci, aikin samarwa yana da yawa, kuma yawan makamashi yana da ƙasa.


Cikakken Bayani

Tags samfurin

Hanyar akwatin sanyi tana nufin tsarin samar da yashin guduro wanda ke daɗaɗawa/taurare ta hanyar hurawa a cikin iskar gas ko iska mai iska, kuma an samar da ita nan take a cikin ɗaki.Hanyar gama gari ita ce hanyar triethylamine, wanda ke amfani da resin phenolic-urethane kuma yana taurare ta hanyar busa iskar triethylamine.Siffofin wannan tsari sune: za'a iya amfani da yashi mai mahimmanci na dogon lokaci, lokacin zane-zane yana da gajeren lokaci, aikin samarwa yana da yawa, kuma yawan makamashi yana da ƙasa.

Simintin gyare-gyaren injunan dizal, kamar tubalan silinda, kawunan silinda, bututun sha da shaye-shaye, da dai sauransu, wasu suna da sifofi masu sarƙaƙƙiya da ƙananan ɓangarorin ƙetare, waɗanda ke da saurin harbin ƙarya, karaya, da sauransu, ko veins suna bayyana a cikin jijiya. simintin gyare-gyare saboda girman yashi na siliki.Yiwuwar lahani kamar yashi mai ɗaki da ƙura shima yana da girma.

Sintered-ceramic-yashi-don-kafa-tare da-sanyi-core-akwatin-(4)
Sintered-ceramic-yashi-don-kafa-tare da-sanyi-core-akwatin-(5)

Yin amfani da yashi yumbu ko haɗa yashi yumbu da yashi silica daidai gwargwado, adadin resin da aka ƙara yana raguwa da 20-30%, kuma lahani na sama an inganta sosai.A lokaci guda, ginshiƙan yashi yana da kyakkyawar haɗuwa, wanda ya rage aikin tsaftacewa na simintin gyaran kafa.Sakamakon haka, masana'antar simintin gyaran injin dizal da yawa sun rungumi fasahar akwatin yashi mai sanyi.

Abubuwan Yashi na yumbu

Babban Abun Sinadari Al₂O₃≥53%, Fe₂O₃<4%, TiO₂<3%, SiO₂≤37%
Siffar hatsi Siffar
Angular Coefficient ≤1.1
Girman Juzu'i 45 μm - 2000 μm
Refractoriness ≥1800℃
Yawan yawa 1.5-1.6 g/cm3
Thermal Fadada (RT-1200℃) 4.5-6.5x10-6/k
Launi Yashi
PH 6.6-7.3
Ma'adinan Ma'adinai Mulite + Corundum
Farashin Acid 1 ml/50g
LOI 0.1%

Kwatanta da sauran danyen gwajin yashi na aikin akwatin sanyi

Raw Sand Guro Ƙara. 2h Ƙarfin Ƙarfin Ƙarfi Juyin Halitta Gas
Sintered Ceramic Sand 1.5% 2.098 MPa 10.34 ml/g
Yashi da aka goge 1.5% 1.105MPa 13.4 ml/g
Yashi Gasa 1.5% 1.088 MPa 12.9 ml/g
Yashin yumbu mai ƙwanƙwasa + Yashi mai gogewa 1.5% 1.815 MPa 12.5 ml/g
Yashi mai Yashi + Baked Sand 1.5% 1.851 MPa 12.35 ml/g
Yashi Chromite+ Yashi mai gogewa 1.5% 0.801 MPa 10.85 ml/g
Yashi Chromite+ Gasa Yashi 1.5% 0.821 MPa 10.74 ml/g

Kwatanta da simintin gyare-gyaren ƙimar aikin akwatin sanyi

Raw Sand Jijiyoyi Core Broken Sinter Shake Jimlar
Sintered Ceramic Sand 0% 2% 0% 0 2%
Yashi da aka goge 28% 12% 4% 3% 47%
Yashi Gasa 24% 10% 3% 2% 39%
Yashin yumbu mai ƙwanƙwasa + Yashi mai gogewa 12% 4% 1% 2% 19%
Yashi mai Yashi + Baked Sand 7% 3% 2% 2% 14%
Yashi Chromite+ Yashi mai gogewa 13% 6% 5% 4% 28%
Yashi Chromite+ Gasa Yashi 12% 4% 2% 2% 20%

Sassan Rarraba Girman Barbashi

Za'a iya daidaita girman girman barbashi bisa ga buƙatun ku.

raga

20 30 40 50 70 100 140 200 270 Pan Farashin AFS

μm

850 600 425 300 212 150 106 75 53 Pan  
Lambar 40/70   ≤5 20-30 40-50 15-25 ≤8 ≤1       43±3
70/40   ≤5 15-25 40-50 20-30 ≤10 ≤2       46±3
50/100     ≤5 25-35 35-50 15-25 ≤6 ≤1     50± 3
100/50     ≤5 15-25 35-50 25-35 ≤10 ≤1     55± 3
70/140       ≤5 25-35 35-50 8-15 ≤5 ≤1   65± 4
140/70       ≤5 15-35 35-50 20-25 ≤8 ≤2   70± 5
100/200         ≤10 20-35 35-50 15-20 ≤10 ≤2 110± 5

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