Iji ghọta usoro mgbako nke njupụta nke refractory castable, gịnị bụ oghere ikuku?
1. Enwere ụdị pores atọ:
1. A na-emechi otu akụkụ ma na-agwa akụkụ nke ọzọ n'èzí, nke a na-akpọ oghere oghere.
2. A na-emechi oghere mechiri emechi na nlele ma ọ bụghị jikọọ na ụwa dị n'èzí.
3. A na-akpọ oghere site na oghere.
Mkpokọta porosity, ya bụ ezi porosity, na-ezo aka na pasent nke ngụkọta nke pores na ngụkọta nke ihe atụ;N'ozuzu, a na-ejikọta oghere site na oghere oghere, na oghere mechiri emechi dị ntakịrị ma sie ike ịlele ozugbo.Ya mere, a na-egosipụta porosity site na porosity na-emeghe, ya bụ, porosity pụtara ìhè.Porosity pụtara ìhè na-ezo aka na pasent nke ngụkọta olu nke oghere oghere na nlele ahụ na mkpokọta mkpokọta nke ihe nlele ahụ.
Nnukwu njupụta na-ezo aka n'ogo nke ihe nkedo nke ihe nlele a mịrị amị na mkpokọta ya, ya bụ, oke nke nkedo nke ahụ porous na mkpokọta ya, nke e gosipụtara na Kg/m3 ma ọ bụ g/cm3.Obere porosity pụtara ìhè na nnukwu njupụta bụ otu n'ime ntọala maka ịchịkwa ọnụọgụ nke ihe nkedo refractory na-ewu.Enwere ike iji otu ihe atụ tụọ ndenye arụmọrụ abụọ ahụ.Ndị na-esonụ bụ nnukwu njupụta na pụtara porosity nke castables refractory a na-ejikarị.
2. Ndị na-esonụ bụ nnukwu njupụta na pụtara porosity nke castables refractory a na-ejikarị.
CA-50 simenti elu alumina castable, 2.3-2.6g/cm3, 17-20
CA-50 cement ụrọ nkedo, 2.2-2.35g/cm3, 18-22
Clay bonded elu alumina castable, 2.25-2.45g/cm3, 16-21
Simenti dị ala dị elu aluminom castable, 2.4-2.7g/cm3, 10-16
Simenti dị ala dị elu dị elu alumina castable, 2.3-2.6g/cm3, 10-16
CA-70 cement corundum castable, 2.7-3.0g/cm3, 12-16
Ụrọ iko mmiri, 2.10-2.35g / cm3, 15-19
Aluminom phosphate castable dị elu, 2.3-2.7g/cm3, 17-20
Aluminom phosphate nnukwu aluminom castable, 2.3-2.6g/cm3, 16-20
3. A na-ewebata njupụta nke obere ciment castable dị mkpirikpi n'okpuru
Ihe nkedo simenti dị ala na-ewere simenti calcium aluminate dị ka ihe nkedo, na ihe nkedo nwere CaO ihe na-erughị 2.5% ka a na-akpọkarị nkedo ciment dị ala.Dị iche na nke ọdịnala ọdịnala, a na-akwado obere ciment castables site na dochie ọtụtụ ma ọ bụ ihe niile simenti alumina dị elu na ntụ ntụ superfine (ihe na-erughị 10 microns) na njikọ agglomeration na otu ma ọ bụ ihe mejupụtara kemịkalụ yiri nke ihe bụ isi, na-ebuli nha nha. nkesa, micro ntụ ntụ, urughuru udi na ihe ndị ọzọ, na-agbakwụnye a obere ego nke dispersant (mmiri reducer), a agafeghị oke ego nke retarder na ndị ọzọ mejupụtara ihe mgbakwunye.
Njupụta nke ụrọ obere ciment refractory castable bụ 2.26g/cm ³ banyere.
The njupụta nke elu alumina obere ciment refractory castable bụ 2.3 ~ 2.6g/cm ³ banyere.
Corundum obere ciment refractory castable nwere njupụta nke 2.65 ~ 2.9g/cm ³ banyere.
Oge nzipu: Ọktoba 24-2022