Ịfesa mkpuchi mmiri asfalt rọba nke na-eme ka ọ dị ngwa ngwa bụ ihe mkpuchi mmiri. Ọ bụrụ na a naghị edozi diaphragm ahụ nke ọma mgbe a fesachara ya, mmiri agaghị apụ kpamkpam, afụ ikuku dị oke njọ ga-apụta ngwa ngwa n'oge a na-eme achịcha n'oge okpomọkụ dị elu, nke na-eme ka ihe nkiri mmiri ghara ịdị nro, na-egbochi ire ere nke ọma, na-egbochi ire ere, na-egbochi ihu igwe. . N'ihi na ọnọdụ gburugburu ebe obibi na-adịghị mma na ebe a na-ewu ihe anaghị achịkwa ya, ọ dị mkpa ime ka iguzogide okpomọkụ dị elu nke mkpuchi mmiri asfalt rọba nke a na-agba ngwa ngwa site n'echiche nke nhazi ahụ dịkwuo mma.
A họọrọ cellulose ether nke na-agbaze mmiri iji melite iguzogide okpomọkụ dị elu nke ihe ndị a na-agbaze ngwa ngwa nke roba asphalt na-eme ka mmiri ghara ịbanye ngwa ngwa. N'otu oge ahụ, a mụrụ mmetụta nke ụdị na ọnụọgụ nke cellulose ether na ihe ndị dị na igwe, arụmọrụ ịgbasa, iguzogide okpomọkụ na nchekwa nke mkpuchi asphalt roba na-eme ka mmiri ghara ịbanye ngwa ngwa. Mmetụta arụmọrụ.
Nkwadebe ihe atụ
Gwakọta hydroxyethyl cellulose n'ime 1/2 mmiri deionized, gwakọta ya ruo mgbe ọ gbazere kpamkpam, wee tinye emulsifier na sodium hydroxide na 1/2 mmiri deionized fọdụrụnụ ma gwakọta ya nke ọma iji kwadebe mmiri ncha, wee gwakọta ya n'elu. A na-agwakọta ngwọta abụọ ahụ nke ọma iji nweta mmiri mmiri nke hydroxyethyl cellulose, a na-achịkwa uru pH ya n'etiti 11 na 13.
Gwakọta asfalt emulsified, neoprene latex, mmiri mmiri hydroxyethyl cellulose, defoamer, wdg. dịka oke ụfọdụ si dị iji nweta ihe A.
Kwadebe otu njupụta nke mmiri Ca(NO3)2 dị ka ihe B.
Jiri ngwa pụrụ iche nke ịgba ọkụ eletrik fesa ihe A na ihe B n'ime akwụkwọ mwepụta ahụ n'otu oge, ka e wee nwee ike ịkpọtụrụ ihe abụọ ahụ ma tinye ha ngwa ngwa n'ime fim n'oge usoro ịgbasa ihe.
Nsonazụ na mkparịta ụka
A họọrọ Hydroxyethyl cellulose nwere viscosity nke 10,000 mPa·s na 50,000 mPa·s, e wee jiri usoro nke mgbakwunye mgbe mgbakwunye gasịrị iji mụọ mmetụta nke viscosity na ọnụọgụ mgbakwunye nke hydroxyethyl cellulose na arụmọrụ ịgbasa nke mkpuchi mmiri asphalt roba na-adịghị emerụ ahụ ngwa ngwa, njirimara nke na-akpụ ihe nkiri, iguzogide okpomọkụ, ihe onwunwe igwe na ihe onwunwe nchekwa. Iji zere mmebi na nguzozi sistemụ nke mgbakwunye nke ngwọta hydroxyethyl cellulose kpatara, nke butere demulsification, etinyere emulsifier na pH regulator n'oge nkwadebe nke ngwọta hydroxyethyl cellulose.
Mmetụta nke Viscosity nke Hydroxyethyl Cellulose (HEC) na Ịfesa na Njirimara nke Ihe Mkpuchi Mmiri Na-adịghị Adọba
Ka ọ̀tụ̀tụ̀ ịgbasa mmiri nke hydroxyethyl cellulose (HEC) na-amụba, otú ahụ ka mmetụta ya na ihe ndị na-agbapụta mmiri na ihe ndị na-emepụta fim nke mkpuchi mmiri na-adịghị amịpụta mmiri si dịkwuo elu. Mgbe ego mgbakwunye ya bụ 1‰, HEC nwere viscosity nke 50,000 mPa·s na-eme ka viscosity nke usoro mkpuchi mmiri na-amịpụta mmiri ghara ịdị. Mgbe ọ mụbara ugboro 10, ịgbasa mmiri na-esi ike nke ukwuu, diaphragm na-ebelatakwa nke ukwuu, ebe HEC nwere viscosity nke 10,000 mPa·s enweghị mmetụta dị ukwuu na ịgbasa mmiri, diaphragm na-ebelatakwa nke ọma.
Mmetụta nke Hydroxyethyl Cellulose (HEC) na Mgbochi Okpomọkụ nke Mkpuchi Mmiri Na-adịghị Akwụsị
A fesara mkpuchi roba asphalt nke a fesara ngwa ngwa n'elu mpempe akwụkwọ aluminom iji kwadebe ihe nlele nnwale iguzogide okpomọkụ, a gwọkwara ya dịka ọnọdụ ọgwụgwọ nke mkpuchi mmiri asphalt nke dị na mmiri nke dị na ọkọlọtọ mba GB/T 16777-2008 si dị. hydroxyethyl cellulose nke nwere viscosity nke 50 000 mPa·s nwere nnukwu ibu molekul. Na mgbakwunye na igbu oge mmiri, ọ nwekwara mmetụta siri ike ụfọdụ, na-eme ka ọ sie ike maka mmiri ịpụpụ n'ime mkpuchi ahụ, yabụ ọ ga-emepụta nnukwu mmụba. Ibu molekul nke hydroxyethyl cellulose nke nwere viscosity nke 10 000 mPa·s dị obere, nke na-enweghị mmetụta dị ukwuu na ike nke ihe ahụ ma anaghị emetụta mgbanwe nke mmiri, yabụ enweghị mmepụta afụ.
Mmetụta nke ọnụọgụ hydroxyethyl cellulose (HEC) agbakwunyere
A họọrọ Hydroxyethyl cellulose (HEC) nke nwere viscosity nke 10,000 mPa·s dị ka ihe nyocha ahụ, a nyochakwara mmetụta nke mgbakwunye dị iche iche nke HEC na arụmọrụ ịgbasa na iguzogide okpomọkụ nke mkpuchi mmiri. N'ịtụle arụmọrụ ịgbasa, iguzogide okpomọkụ na njirimara igwe nke mkpuchi mmiri nke ọma, a na-ewere ya na oke mgbakwunye kacha mma nke hydroxyethyl cellulose bụ 1‰.
Latex neoprene dị na mkpuchi mmiri asfalt rọba nke a na-agba ọsọ ọsọ na asfalt emulsified nwere nnukwu ọdịiche na polarity na njupụta, nke na-eduga na delamination nke ihe A n'ime obere oge n'oge nchekwa. Ya mere, n'oge owuwu ebe a na-arụ ya, ọ dị mkpa ka a kpalie ya nke ọma tupu e fesa ya, ma ọ bụghị ya, ọ ga-ebute ihe mberede dị mma ngwa ngwa. Hydroxyethyl cellulose nwere ike idozi nsogbu delamination nke mkpuchi mmiri asfalt rọba nke a na-agba ọsọ ngwa ngwa. Mgbe otu ọnwa nke nchekwa gasịrị, ọ ka dị enweghị delamination. Ọdịdị nke sistemụ ahụ anaghị agbanwe nke ukwuu, nkwụsi ike ya dịkwa mma.
elekwasị anya
1) Mgbe etinyere hydroxyethyl cellulose na mkpuchi asphalt roba nke a na-agba ọsọ ọsọ, a na-eme ka iguzogide okpomọkụ nke mkpuchi mmiri ghara ịdị mma nke ukwuu, a na-emekwa ka nsogbu nke afụfụ dị n'elu mkpuchi ahụ ka mma nke ukwuu.
2) N'ihi na ọ naghị emetụta usoro ịgba mmiri, arụmọrụ mmepụta ihe nkiri na ihe onwunwe igwe, achọpụtara na hydroxyethyl cellulose bụ hydroxyethyl cellulose nwere viscosity nke 10 000 mPa·s, ego mgbakwunye ahụ bụkwa 1‰.
3) Mgbakwunye nke hydroxyethyl cellulose na-eme ka nchekwa nke mkpuchi asphalt roba nke a fesa ngwa ngwa dịkwuo mma, ọ dịghịkwa agbaji mgbe echekwara ya ruo otu ọnwa.
Oge ozi: Mee-29-2023