Ụbọchị nbipute:20,Febụwarị,2023
Kedu ihe bụ ihe na-ebelata mmiri?
Ihe mgbakwunye mmiri na-ebelata mmiri, nke a makwaara dị ka dispersant ma ọ bụ plasticizer, bụ ihe mgbakwunye a na-ejikarị na nke dị mkpa na kọmpụta agwakọta. N'ihi ya adsorption na dispersion, wetting na-amị amị mmetụta, ọ nwere ike budata ibelata mmiri oriri nke ọhụrụ ihe na otu ọrụ arụmọrụ mgbe ojiji, si otú budata mma ike, anwụ ngwa ngwa na ndị ọzọ Njirimara nke ihe.
Enwere ike kewaa onye na-ebelata mmiri mmiri n'ụdị abụọ dịka mmetụta mbelata mmiri ya si dị: onye na-ebelata mmiri nkịtị na onye na-ebelata mmiri dị elu. Enwere ike ijikọta ihe na-ebelata mmiri na ihe ndị ọzọ iji mepụta ụdị ike mmalite, ụdị nkịtị, ụdị retarding na ikuku entraining ụdị mmiri na-ebelata ihe dị ka mkpa injinia na ngwa.
Enwere ike kewaa ndị na-ebelata mmiri n'ime lignosulfonate na ihe ndị sitere na ya, polycyclic aromatic sulfonic acid salts, resin sulfonic acid salts, aliphatic sulfonic acid salts, polyols dị elu, hydroxy carboxylic acid salts, polyol complexes, polyoxyethylene ethers na usoro ha si dị ka ha si dị. isi mmiri ọgwụ.
Kedu ihe bụ usoro ọrụ nke onye na-ebelata mmiri?
Ihe niile na-ebelata mmiri bụ ihe na-arụ ọrụ n'elu. Mmetụta mbelata mmiri nke onye na-ebelata mmiri na-enwetakarị site na ọrụ elu nke onye na-ebelata mmiri. Isi ọrụ usoro nke mmiri reducer bụ ndị a:
1) The mmiri reducer ga adsorb na siri ike-mmiri interface, belata n'elu esemokwu, melite elu wetness nke ciment ahụ, belata thermodynamic akwusighi nke ciment dispersion, ma si otú nweta ikwu nkwụsi ike.
2) Onye na-ebelata mmiri ga-emepụta mgbasa ozi ntụziaka n'elu akụkụ ciment, nke mere na elu nke cement cement ga-enwe otu ụgwọ ahụ, na-emepụta ihe mgbagha electrostatic, si otú ahụ na-ebibi ihe nhazi nke flocculated nke ciment particles na-agbasasị akụkụ ciment. Maka polycarboxylate na sulfamate superplasticizers, mgbasa ozi nke superplasticizer dị n'ụdị mgbanaka, waya na gia, si otú a na-amụba anya n'etiti cement particles iji mee ka electrostatic repulsion, na-egosi mma mgbasa na slump njide.
3) A na-emepụta ihe nkiri mmiri edoziri site na njikọ njikọ hydrogen n'etiti onye na-ebelata mmiri na mmiri mmiri iji mepụta nchebe ohere, gbochie kọntaktị kpọmkwem nke simenti irighiri ma gbochie nhazi nke condensed.
4) Dị ka a na-emepụta oyi akwa adsorption n'elu akụkụ ciment, ọ nwere ike igbochi hydration mbụ nke ciment, si otú a na-amụba ụda mmiri n'efu ma na-eme ka mmiri dị na ciment mado.
5) Ụfọdụ ndị na-ebelata mmiri mmiri ga-ewebatakwa ụfọdụ ego nke micro egosipụta iji belata esemokwu n'etiti ciment irighiri, si otú ahụ na-emeziwanye mgbasa na nkwụsi ike nke ciment slurry.
Oge nzipu: Feb-20-2023
