Simenti Flow Ash Portland

Portland Simenti
Ntụ ntụ ijiji Simenti Portland na-ezo aka na njikọta nke Portland simenti clinker na ntụ ntụ, agwakọtara ya na gypsum kwesịrị ekwesị wee gwerie ya, aha koodu PF Ihe ọ bụla simenti hydraulic nke ejiri Portland simenti clinker, ntụ ntụ na oke kwesịrị ekwesị nke ala gypsum mee ka a kpọọ ya fly ash Simenti Portland, nke aha koodu PF. Ọnụọgụ ntụ ntụ a na-agbakwunye na simenti ahụ bụ 20% ~ 40% site na oke, ọkwa ike ya na ihe achọrọ maka ike ya n'oge ọ bụla bụ otu ihe ahụ dị ka nke slag simenti Portland.

Akụrụngwa
E ji ihe e ji kpụọ simenti Portland mee ya. ntụ ijiji, gwakọta ya na gypsum kwesịrị ekwesị wee gwerie ya. Koodu PF
A na-akpọ ihe ọ bụla e ji simenti simenti Portland mee, ntụ ntụ na ala gypsum kwesịrị ekwesị. A na-akpọ ihe e ji simenti simenti Portland mee, nke aha ya bụ PF. Ọnụọgụ ntụ ntụ a na-etinye na simenti ahụ bụ 20% ruo 40% site na oke. A na-ahapụ ya ka ọ sonye na ihe e ji simenti mee nke a na-akpọ granulated blast slag nke na-agaghị agafe 1/3 nke mkpokọta ihe e ji simenti mee. N'oge a, mkpokọta ihe e ji simenti mee nwere ike iru 50%, mana oke ntụ ntụ ekwesịghị ịdị obere karịa 20% ma ọ bụ karịa 40%.
atụmatụ
Nhazi nke simenti ntụ ntụ dị oke njupụta, mpaghara dị n'ime ya pere mpe, ikike ịmịnye mmiri maka mmiri dịkwa obere, mkpa mmiri maka ịmịnye simenti dịkwa obere, yabụ mbelata akọrọ nke simenti ntụ ntụ dị obere, mgbochi mgbawa dịkwa obere. Ọ dị mma. Na mgbakwunye, dị ka simenti izugbe agwakọtara ya na ngwakọta ndị na-arụ ọrụ, ọ nwere obere okpomọkụ mmiri na iguzogide nchara siri ike.
Arụmọrụ
Ihe pụrụ iche nke simenti Portland nke ash bụ ndị a:
(1) Ike mbụ dị ala, ọnụego mmụba ike ikpeazụ dịkwa ukwuu: ike mbụ nke simenti ntụ ntụ na-adị ala, ike mbụ na-ebelatakwa nke ukwuu ka ọdịnaya ntụ ntụ na-abawanye. Ebe ọ bụ na ahụ vitreous dị na ntụ ntụ na-adịgide nke ukwuu, Ca(OH)2 na-emebi ma bibie ihe ndị ahụ na-efe efe nwayọ nwayọ n'oge usoro mmiri nke simenti ntụ ntụ na-efe efe, yabụ mmepe ike nke simenti ntụ ntụ na-egosipụtakarị na ọkwa ikpeazụ. , ọnụego mmụba ike ikpeazụ ya dị ukwuu, ọ nwekwara ike karịa ike ikpeazụ nke simenti Portland kwekọrọ.
(2) Ọ dị mma ịrụ ọrụ na obere mbelata akọrọ: N'ihi na ọtụtụ ihe ndị na-eme ka ntụ ntụ siga mechie ma sie ike gburugburu, ebe dị n'ime elu na mmiri na-abanye n'otu molekul dị obere, simenti siga siga nwere ezigbo ike ịrụ ọrụ na obere mbelata akọrọ. , nwere njirimara nke ike nrụgide dị elu na ezigbo iguzogide mgbawa. Nke a bụ uru doro anya nke simenti siga siga.
(3) Ezigbo iguzogide nchara: simenti ntụ ntụ nwere oke iguzogide nchara na mmiri ọhụrụ na sulfate. N'ihi njikọta nke SiO2 na-arụ ọrụ na ntụ ntụ ntụ na Ca(OH)2, a na-emepụta calcium silicate hydrate mgbe ọ dị nhata. Oke njupụta achọrọ (dịka ọmụmaatụ alkalinity nke mmiri mmiri) dị obere karịa nke achọrọ maka nguzozi nke calcium silicate hydrate na simenti Portland nkịtị, yabụ ọnụego nsị na mmiri dị ọhụrụ na-ebelata nke ukwuu, si otú a na-eme ka iguzogide simenti dịkwuo mma. Ike nchara mmiri ọhụrụ na iguzogide mmebi sulfate.
(4) Okpomọkụ dị ala nke mmiri: Ọsọ mmiri nke simenti ntụ ntụ na-adị nwayọ nwayọ, okpomọkụ mmiri na-adịkwa obere, ọkachasị mgbe oke ntụ ntụ a gbakwunyere buru ibu, mbelata nke okpomọkụ mmiri na-apụta ìhè nke ukwuu.

Simenti Portland
A na-akpọ ihe mkpuchi simenti Portland niile nke nwere calcium silicate, limestone ma ọ bụ granulated blast furnace slag nke na-erughị 5%, a na-akpọkwa ihe simenti hydraulic nke ejiri gypsum a gwepịara egwepịa mee simenti Portland. A na-akpọ ya Portland Siment n'ụwa niile.
Nhazi ọkwa
A na-ekewa simenti Portland n'ụdị abụọ, ụdị nke mbụ a na-akpọ simenti Portland nke na-enweghị ihe agwakọtara agwakọta Portland simenti, koodu P·I; ihe agwakọtara ya na limestone ma ọ bụ granulated blast furnace slag nke na-agaghị agafe 5% nke ibu simenti a na-akpọ II Type Portland simenti, koodu P·Ⅱ.
Ngwakọta nke mineral
Isi ihe mejupụtara simenti Portland bụ: tricalcium silicate, dicalcium silicate, tricalcium aluminate, na tetracalcium ferric aluminate. Tricalcium silicate na-ekpebi ike simenti Portland n'ime izu anọ; dicalcium silicate na-arụ ọrụ naanị mgbe izu anọ gachara, ma na-eru ike nke tricalcium silicate ruo izu anọ n'ime ihe dị ka otu afọ; ike nke tricalcium aluminate Ọ na-arụ ọrụ ngwa ngwa, mana ike ya dị ala, ọ na-arụkwa ọrụ ụfọdụ n'ike nke simenti Portland n'ime ụbọchị 1 ruo 3 ma ọ bụ karịa; Ntinye ike nke simenti nnu acid dị obere.