Usoro ndabere
Rba ntụ ntụ redividable bụ a ọcha siri ike ntụ ntụ esichara site spraying na ihicha pụrụ iche latex.A na-ejikarị ya dị ka ihe mgbakwunye dị mkpa maka "puku-ngwakọta ngwa agha" na ihe mgbakwunye ngwa agha ndị ọzọ na-ekpo ọkụ maka ihe mkpuchi mgbidi dị n'èzí..A na-ejikarị ntụ ntụ refractory latex eme ihe bụ copolymer nke vinyl acetate, nke bụ ntụ ntụ ọcha nke nwere ike ịfesa n'efu ma nwee ike gbasasịa ya na mmiri iji mepụta emulsion kwụsiri ike na otu arụmọrụ dị ka latex mbụ.Dị ka ihe mgbakwunye dị mkpa na ngwaahịa ngwa ngwa agwakọtara akọrọ, ntụ ntụ latex na-agbanwe agbanwe na-arụ ọrụ dị mkpa na ngwa ngwa agwakọta simenti.Ọ nwere ike melite ike nkekọ na njikọta nke ihe.Mee ka ike na-agbanwe agbanwe na ike mgbanwe nke ihe ahụ.Melite nguzogide ntu oyi nke ihe ahụ.Melite nguzogide ihu igwe, ịdịte aka, na-eyi nguzogide nke ihe.Meziwanye hydrophobicity nke ihe ma belata mmịpụta mmiri.Melite ikike ịrụ ọrụ ma belata mbelata ihe onwunwe.Nwere ike igbochi mgbawa nke ọma.(I) Melite ike njikọta na njikọta
N'ime ngwa ngwa ciment akọrọ, ọ dị oke mkpa ịgbakwunye ntụ ntụ rọba redispersible.O doro anya na ọ ga-emeziwanye ike njikọ na njikọta nke ihe.Nke a bụ n'ihi ntinye nke ihe ndị na-emepụta polymer n'ime pores na capillaries nke matrix ciment, na nsonaazụ nke ịdị mma na-ejikọta ọnụ mgbe hydration na ciment gasịrị.N'ihi mma mmachi nke polymer resin n'onwe ya, ọ nwere ike melite adhesion nke ciment ngwa agha ngwaahịa na substrates, karịsịa bonding nke inorganic binders dị ka ciment na organic substrates dị ka osisi, eriri, PWC, na PS.Ọganihu nke arụmọrụ adịghị mma nwere mmetụta doro anya karị.
Nkwado na nkwụsi ike emelitere
N'ime ọkpụkpụ siri ike nke a kpụrụ mgbe mmiri simenti na-agbanye mmiri, ihe nkiri nke polymer na-agbanwe ma na-esi ike, ma na-eme ihe dị ka nkwonkwo na-ebugharị n'etiti cement mortar particles, nke nwere ike iguzogide ibu nrụrụ dị elu ma belata nrụgide.Emelitere nkwụsi ike na ịgbagọ
Melite nguzogide mmetụta
Uzuzu latex na-agbanwe agbanwe bụ resin thermoplastic.Ihe nkiri dị nro nke a na-ekpuchi n'elu akụkụ ngwa agha nwere ike ịmịnye mmetụta nke ike mpụga ma zuru ike na-enweghị imebi, si otú ahụ na-eme ka mmetụta mgbochi nke ngwa agha dịkwuo mma.
Meziwanye hydrophobicity ma belata mmịpụta mmiri
Ịtinye ntụ ntụ latex na-agbanwe agbanwe nwere ike melite microstructure nke ngwa ngwa ciment.Polymer ya na-etolite netwọk a na-apụghị ịgbagha agbagha n'oge usoro hydration ciment, na-emechi capillary na ciment gel, na-egbochi mmịnye mmiri, na-egbochi ịbanye na mmiri, na-eme ka ọ dịkwuo mma.
Melite nguzogide iyi na ịdịte aka
Ịgbakwunye ntụ ntụ rọba nwere ike ịgbasa nwere ike ime ka ọnụ ọgụgụ dị n'etiti cement mortar particles na ihe nkiri polymer.Nkwalite nke ike jikọrọ ọnụ na-eme ka ikike nke ngwa agha nagide nrụgide ịkwa ahụ, na-ebelata ọnụ ọgụgụ iyi, na-eme ka nkwụsị nke uwe ahụ dịkwuo mma, na-agbatị ndụ ọrụ nke ngwa agha ahụ.
Melite nkwụsi ike ifriizi-na-egbochi ma gbochie mgbawa ihe nke ọma
Uzuzu latex na-agbanwe agbanwe, mmetụta plastik nke resin thermoplastic ya nwere ike imeri mmebi nke mgbasawanye ọkụ na mbelata nke ngwa ngwa ciment na-akpata site na mgbanwe mgbanwe okpomọkụ.Na-emeri adịghị ike nke ciment ciment dị mfe, dị ka nnukwu nkụchi nke akọrọ na nkwụsịtụ dị mfe, nwere ike ime ka ihe ahụ dịkwuo mfe, si otú ahụ na-eme ka nkwụsi ike dị ogologo nke ihe ahụ dịkwuo mma.Otú ọ dị, e nwere ụfọdụ nsogbu na mmepụta usoro nke redispersible latex ntụ ntụ na mbụ art, na-akpata na latex irighiri na-adịghị edozi na mma zuru oke, na agglomeration na-adịkarị mfe ime n'oge mmepụta, njem na nchekwa.Nke a na-emetụta mmetụta ojiji ya.
Usoro a nwere ike na-aghọta site na-esonụ oru ngwọta: a mmepụta usoro nke redispersible azụ-chụgara latex ntụ ntụ, ndị na-esonụ ihe na-formed dị ka mmasị arọ pasent polymer emulsion 72-85%;colloid nchebe 4-9%;onye ntọhapụ 11 -15%;ihe mgbakwunye na-arụ ọrụ 0-5%;emepụtara site na usoro a
a, nkwadebe nke colloid nchebe: na kettle mmeghachi omume, a naghị agwakọta ntụ ntụ colloid nke batching ego na mmiri ma kpoo ọkụ ka a gbanwee ya n'ime gluu, a na-agbakwunye defoamer, na-ekpo ọkụ ma na-ekpo ọkụ iji mepụta colloid nchebe viscous transperent. , nke mere na viscosity ruru 2500as, siri ike Ọdịnaya ruru 19.5-20.5%.
b.Nkwadebe nke mgbasa: tinye colloid a kwadebere nke ọma na kettle nkwadebe, wee gbakwunye emulsion polymer nke batching ego, gwakọta nke ọma, tinye defoamer ma tinye mmiri iji dozie viscosity na 70-200Mas, na ọdịnaya siri ike ruru 39% - 42%, na-ekpo ọkụ ruo 50-55 °
C, maka ojiji;
C, igwe ojii ịgba ihicha: meghee igwe ojii ịgbasa ụlọ elu, mgbe okpomọkụ nke ntinye ntinye nri dị n'elu ụlọ elu igwe na-ekpo ọkụ na-ekpo ọkụ ruo 140-150 DEG C, a na-ebuga mgbasa ozi a kwadebere na ntinye nri na elu nke ịgba ihicha ụlọ elu na ịghasa mgbapụta.N'ọdụ ụgbọ mmiri nri, a na-atụgharị mmiri mmiri na-agbasasị n'ime obere-droplets nke nwere dayameta droplet nke 10-100 microns site na diski atomization centrifugal dị elu na ọdụ ụgbọ mmiri.N'otu oge ahụ, micro-droplets na-ekpo ọkụ ngwa ngwa na ikuku ikuku dị elu, ma n'otu oge ahụ, a na-agbakwunye onye na-ahapụ ya na ikuku ikuku dị elu., Mgbe micro-droplets na-ekpo ọkụ iji mepụta viscosity, onye na-ahapụ ya na-arapara n'ahụ micro-droplets n'oge, mgbe ahụ, mmiri dị na micro-droplets na-ekpochapụ ngwa ngwa ka ọ bụrụ nkụ site na ikuku ikuku dị elu iji mepụta gas- ngwakọta siri ike;
d, jụrụ oyi na nkewa: debe okpomọkụ nke ikuku ikuku nke ikuku na-ekpo ọkụ na-ekpo ọkụ na 79 ° C-81 Celsius, na ngwakọta gas siri ike na-ebupụ ngwa ngwa site na ikuku ikuku na ala nke ụlọ elu na-ehicha mmiri. , wee bubata ya na nnukwu nzacha akpa mgbe ọ jụrụ.A na-ekewa ntụ ntụ dị n'ikuku ikuku wee kewaa ntụ ntụ dị iche iche na sieve iji nweta ngwaahịa emechara nke uzuzu latex eweghachite.Ngwakọta dị iche iche Gbakwunye mmiri dị ọcha dịka onye na-emepụta ihe dị ọcha, bulie okpomọkụ ruo ihe dị ka 50 Celsius C, gbanye usoro na-akpali akpali, tinye ntụ ntụ colloid nchebe dịka 25% nke mmiri agbakwunyere na reactor, na usoro nke ịgbakwunye kwesịrị ịdị ngwa ngwa Gbakwunye ya ka ọ ghara igbochi ntụ ntụ na-eme ka ọ ghara ịdị na-agbakọta na mmiri.Ejila ya na mgbidi n'akụkụ nke reactor.Mgbe mgbakwunye ahụ gwụchara, gbakwunye defoamer dabara na 1% nke ngụkọta ego.A na-atụ aro ka iji defoamer dabeere na silicone.Kpuchie oghere nri ma kpoo ihe dịka 95 Celsius.Na-ekpuchi maka awa 1, mmiri mmiri dị na reactor ga-etolite ka ọ bụrụ gluu na-enweghị ntụpọ, na-enweghị ihe ọcha, nlele, nwale viscosity na ọdịnaya siri ike, na-achọ viscosity ruo ihe dị ka 2500as, na ọdịnaya siri ike iru 19.5 ~ 20.5%.Tinye colloid nchebe a kwadebere na kettle ngwakọta, wee gbakwunye emulsion polymer n'ụzọ kwesịrị ekwesị, jikọta colloid nchebe na emulsion nke ọma, ma gbakwunye defoamer n'ụzọ kwesịrị ekwesị, n'ozuzu ya na ihe dịka 0.1% nke ngụkọta ego, na defoamer kwesịrị iji ya mee ihe. onwe gị Emulsified silicone disinfectant
Onye na-emepụta ụfụfụ, ma gbakwunye mmiri iji dozie viscosity na 70-200pas, na ọdịnaya siri ike na 39%-42%.Mee ka okpomọkụ dị elu ruo 5055C.Nnwale nlele, dị njikere iji.
Mmiri dị n'ime mmiri ahụ ga-akpọnwụ ngwa ngwa site na ikuku na-ekpo ọkụ na-ekpo ọkụ, mgbe ahụ, a ga-ebute ngwakọta gas siri ike ngwa ngwa site na ụlọ elu ihicha, na-edebe okpomọkụ nke ikuku na-ekpo ọkụ na obere ikuku ikuku nke akụrụngwa ihicha na. 79 Celsius C -81 ° Co. A na-eduzi ngwakọta gas siri ike site na akụrụngwa ihicha Mgbe ịpụchara, gbakwunye ikuku akọrọ 5 ° C dehumidified ka ọ dị jụụ, na ikuku nke nwere ntụ ntụ na-ewebata n'ime nnukwu nzacha akpa, na ntụ ntụ. A na-ekewa ikuku ikuku site na ụzọ abụọ nke nkewa nke cyclone na nkewa nkewa., A na-ekewa ntụ ntụ dị iche iche na sieved iji nweta agwaetiti latex ntụ ntụ na-emegharị emegharị.
Transport 1,000 n'arọ nke dispersion mmiri mmiri na a siri ike ọdịnaya nke 42% na ihicha ụlọ elu na a ụfọdụ nrụgide, na tinye 51 n'arọ nke ntọhapụ gị n'ụlọnga dị ka n'elu usoro n'otu oge ahụ, akọrọ site spraying na iche iche siri ike na gas, na nweta. mmepụta ntụ ntụ nke 461 n'arọ na mma kwesịrị ekwesị.
Oge nzipu: Feb-27-2023