Theslurry famfofamfo ne da ke isar da cakuda daskararru da ruwa. Saboda haka, matsakaici zai zama abrasive ga gudana sassa na slurry famfo. Saboda haka, slurry famfo gudana sassa bukatar a yi da lalacewa-resistant kayan.
Abubuwan ƙarfe da aka saba amfani da su don famfunan slurry sun kasu zuwa simintin ƙarfe, baƙin ƙarfe ductile, babban simintin ƙarfe na chromium, bakin karfe, da sauransu. Babban simintin simintin gyare-gyare na chromium shine ƙarni na uku na kayan da ba ya jurewa da aka haɓaka bayan farin simintin ƙarfe na yau da kullun da baƙin ƙarfe na nickel. Saboda halaye na tsarin babban simintin ƙarfe na chromium, yana da ƙarfi mafi girma, ƙarfin zafin jiki, juriya na zafi, da juriya fiye da simintin ƙarfe na yau da kullun. Babban simintin simintin gyare-gyare na chromium an yaba shi a matsayin mafi kyawun abu mai hana abrasive a cikin wannan zamani, kuma ana amfani dashi ko'ina kowace rana.
Ma'aunin ƙarfe na simintin ƙarfe mai jure lalacewa (GB/T8263) na ƙasar Sin yana ƙayyadad da matsayi, abun da ke ciki, taurin, tsarin kula da zafi, da halayen amfani da babban simintin simintin gyare-gyare na chromium.
Matsayin zartarwa don babban simintin ƙarfe na chromium a cikin Amurka shine ASTMA532M, Burtaniya BS4844, Jamus DIN1695, da Faransa NFA32401. Rasha ta ƙera 12-15% Cr, 3-5.5% Mn da 200mm kauri na bangon ƙwallon ƙafa a cikin tsohuwar Tarayyar Soviet, kuma yanzu tana aiwatar da ƙa'idar OCT7769.
Babban kayan da ake amfani da su don ɓangarorin ɓangarorin famfo na slurry a gida da waje sune bakin karfe, babban simintin chromium, da baƙin ƙarfe mai ƙarfi na nickel. Babban simintin simintin gyare-gyare na chromium shine ingantaccen kayan ɗan takara don sassa masu gudana na famfunan slurry. Ta hanyar daidaitawa ko zaɓin matakan abun ciki na carbon da chromium, ana iya samun mafi kyawun tasirin amfani da sassa masu gudana ƙarƙashin yanayi daban-daban na masana'antu da ma'adinai.
Babban simintin simintin gyare-gyare na chromium shine taƙaitaccen babban simintin simintin gyare-gyare na chromium fari. Abu ne mai hana sutura tare da kyakkyawan aiki da kulawa ta musamman; yana da juriya mafi girma fiye da ƙarfe na gami da ƙarfi da ƙarfi fiye da farin simintin ƙarfe na gaba ɗaya. A lokaci guda kuma, yana da kyakkyawar juriya ga babban zafin jiki da lalata, tare da samar da dacewa da kuma matsakaicin farashi, kuma an san shi a matsayin daya daga cikin mafi kyawun kayan kariya na zamani.
Yanzu ana amfani da jerin manyan kayan simintin ƙarfe na simintin ƙarfe na chromium da yawa:
The slurry pumps sanya na A05 (Cr26) abu ne mafi yadu amfani a cikin ma'adinai masana'antu. Ƙirƙirar ƙirar babban chromium alloy A05 yana nuna cewa ya ƙunshi madaidaicin eutectic chromium carbides a cikin madaidaicin matrix-site na marten. A cikin aikace-aikacen famfo na slurry inda duka masu lalata da lalata amma lalata suka mamaye, aikin wannan kayan ya fi sauran fararen simintin ƙarfe.
Kodayake ɓangarorin da aka riga aka yi da kayan A07 (Cr15Mo3) suna da juriya mafi girma, mafi kyawu, da tsawon rayuwar sabis fiye da A05, farashin su ya ninka na A05 sau biyu, don haka aikin farashi ya ragu kuma ikon yin amfani da shi ya yi ƙasa.
A49 (Cr30) shine ainihin babban chromium low farin simintin simintin ƙarfe. Microstructure shine hypoeutectic kuma ya ƙunshi eutectic chromium carbides a cikin matrix austenite/martensite. Abubuwan da ke cikin carbon na babban chromium A49 ya yi ƙasa da na babban chromium A05. Akwai ƙarin chromium a cikin matrix. A cikin yanayi mai rauni na acidic, babban chromium A49 yana da juriyar lalata fiye da babban chromium A05.
A yanzu, abubuwan da aka ambata a sama sune kayan ƙarfe da aka saba amfani da su a cikislurry famfo maroki. Dangane da ƙayyadaddun matsakaicin jigilar jigilar kayayyaki, za mu zaɓi kayan da ya fi dacewa.
Lokacin aikawa: Satumba-17-2021