Ihe nkedo phosphate na-ezo aka na ihe nkedo jikọtara ya na phosphoric acid ma ọ bụ phosphate, na usoro siri ike ya na-emetụta ụdị ihe nkedo eji na usoro siri ike.
Ihe nkedo nke phosphate castable nwere ike ịbụ phosphoric acid ma ọ bụ ihe ngwọta nke aluminom dihydrogen phosphate na-emepụta site na mmeghachi omume nke phosphoric acid na aluminum hydroxide. N'ozuzu, ihe nkedo na aluminom silicate anaghị emeghachi omume na ụlọ okpomọkụ (ma e wezụga ígwè). A na-achọ ikpo ọkụ iji kpoo mmiri na ikpokọta ihe nkedo ma jikọta ntụ ntụ ọnụ iji nweta ike n'ime ụlọ okpomọkụ.
Mgbe a na-eji coagulant eme ihe, a naghị achọ ikpo ọkụ, na ezigbo magnesia ntụ ntụ ma ọ bụ ciment alumina dị elu nwere ike ịgbakwunye ngwa ngwa coagulation. Mgbe a na-agbakwunye ezigbo ntụ ntụ magnesium oxide, ọ na-eme ngwa ngwa na phosphoric acid na-etolite, na-eme ka ihe ndị na-emegharị ihe na-edozi ma sie ike. Mgbe a na-agbakwunye ciment aluminate, a na-emepụta phosphates nwere ezigbo gelling, phosphates nke nwere mmiri dị ka calcium monohydrogen phosphate ma ọ bụ diphosphate. Calcium hydrogen, wdg, na-eme ka ihe ahụ sie ike ma sie ike.
Site na usoro siri ike nke phosphoric acid na phosphate refractory castables, a maara na ọ bụ naanị mgbe mmeghachi omume mmeghachi omume n'etiti ciment na nchịkọta refractory na ntụ ntụ kwesịrị ekwesị n'oge usoro ikpo ọkụ nwere ike ịmepụta ihe nkedo nke ọma. Otú ọ dị, a na-ebute ngwa ngwa ndị na-emegharị ihe n'ime usoro ịkụcha ihe, ịkụcha bọl na ịgwakọta. Ha ga-emeghachi omume na onye na-emepụta ciment ma hapụ hydrogen n'oge ngwakọta, nke ga-eme ka ihe nkedo refractory zaa, tọpụ ihe owuwu ahụ ma belata ike mkpakọ. Nke a adịghị mma maka mmepụta nke phosphoric acid nkịtị na phosphate refractory castables.
Oge nzipu: Nov-04-2021