Plastering Busassun Foda Turmi Nau'in da Na asali Formules
1. Rarraba samfur
① Dangane da aikin plastering turmi, ana iya raba shi zuwa:
Gabaɗaya, za a iya raba turmi ɗin filasta zuwa turmi filasta na yau da kullun, turmi plastering na ado, turmi plastering mai hana ruwa ruwa da plastering turmi tare da wasu ayyuka na musamman (kamar rufin zafi, juriyar acid, da turmi proof radiation).
② Rarraba bisa ga kayan siminti da aka yi amfani da su a cikin turmi mai laushi
A. Gilashin turmi tare da ɗaurin inorganic (ciminti, gypsum ko lemun tsami).
B. Turmi stucco na ado ta amfani da siminti, foda da za a iya tarwatsawa ko lemun tsami a matsayin ɗaure.
C. Ana amfani da filastar da aka yi da siminti don aikace-aikacen waje da dakuna masu jika, yayin da ake amfani da filastar gypsum kawai don bangon ciki.
2. Tsarin Magana
Domin plastering turmi na ciki da na waje ganuwar ba na musamman aikin bulo ganuwar, shi ne gaba ɗaya mafi na kowa zabi wani matsa lamba ƙarfi na 10MPa ko 15MPa, amma low-ƙarfi da high-ƙarfi kayayyakin kuma za a iya yi bisa ga takamaiman musamman na musamman. bukatun.
Shawarar dabara ita ce ƙara 1% ~ 4% RE5010N zuwa siminti ko siminti na tushen gama plaster, wanda zai iya inganta mannewa, juriya da sassauci. Bugu da ƙari, an kuma bada shawarar ƙara 0.2% ~ 0.4% na ether cellulose, sitaci ether ko cakuda biyu. An ba da shawarar musamman don amfani da redispersible polymer foda RI551Z da RI554Z tare da hydrophobicity don inganta aikin plastering da plastering.
Gabatarwar Turmi Additive Masterbatch
A turmi Additive Masterbatch ya ƙunshi abubuwa masu zuwa: sodium fatty barasa polyethylene sulfonate, cellulose, sodium sulfate, sitaci ether, da dai sauransu.
Babban ayyuka: haɓakar iska, mai kauri, riƙewar filastik, haɓaka aiki da sauran tasirin musamman, samfurin kawai a cikin ƙasa wanda ba ya haɗuwa bisa ga ƙimar siminti. Ajiye siminti a cikin turmi mai gauraya ba zai iya tabbatar da ƙarfi kawai ba amma kuma yana inganta karko, rashin ƙarfi da juriya.
Fasaloli da Fasalolin Aiki da Halayen Aiki da Halayen Ayyuka da Ayyuka:
1. Inganta aikin turmi da ingancin aiki
A lokacin masonry da plashing, turmi yana da girma, mai laushi, kuma yana da ƙarfin haɗin kai. Wurin da ke ɗaure ba ya daɗe da shebur, yana rage tokar ƙasa da farashi, kuma turmi yana da babban matakin cikawa. Yana da ƙananan buƙatu akan matakin rigar bangon, kuma raguwar turmi kaɗan ne, wanda ke shawo kan matsalolin gama gari kamar fashe, ramuka, zubarwa, da kumfa a bango, kuma yana magance matsalar aikin turmi. An adana turmi na tsawon sa'o'i 6-8 ba tare da lalatawa ba, kiyaye ruwa mai kyau, babu rabuwa da turmi a cikin tanki na ash, kuma ba buƙatar sake motsawa ba, wanda ya gaggauta saurin ginin kuma yana inganta aikin aiki.
2. Tasirin ƙarfin farko
Turmi da aka haɗe tare da ƙari na turmi yana da alaƙa da ƙarfin ƙarfafawa tare da ciminti. Ta hanyar aikin filastik, ya kai wani ƙarfi bayan sa'o'i 5-6 na amfani, kuma ƙarfin baya ya fi kyau.
3. Ceton ruwa
Turmi da aka shirya tare da ƙari na turmi yana da tasirin rabuwa akan ruwa, wanda zai iya rage yawan amfani da ruwa, rage raguwar ganuwar plastered kuma inganta ƙarfi.
4. Ƙarin ayyuka
Turmi da aka shirya tare da ƙari na turmi yana da ayyuka na riƙe ruwa, rage amo, adana zafi, daɗaɗɗen zafi, da juriya na sanyi.
Ƙirƙira da tsarin samarwa na polyvinyl acetate emulsion m
1. Formula
Vinyl acetate: 710 kg
Ruwa: 636 kg
Barasa polyvinyl barasa (PVA): 62.5 kg
Ammonium persulfate (diluted da ruwa sau 10): 1.43 kg
Octylphenol ethoxylate: 8 kg
Sodium bicarbonate (diluted da ruwa sau 10): 2.2 kg
Dibutyl phthalate: 80 kg
2. Tsarin samarwa
Ƙara polyvinyl barasa da ruwa a cikin kettle na narkewa, motsawa na minti 10 kuma zafi har zuwa 90 ° C, narke na tsawon awanni 4, kuma a narke cikin 10% bayani. Bayan tace narkar da PVA mai ruwa bayani, sanya shi a cikin tanki na polymerization, ƙara 100 kg na octylphenol polyoxyethylene ether da primer monomer (kimanin 1/7 na jimlar adadin monomer), da persulfuric acid tare da maida hankali na 10% 5.5 kg na ammonium. bayani, rufe ramin ciyarwa, kuma buɗe ruwan sanyi. Fara zafi, kuma zai tashi zuwa kusan 65 ° C a cikin minti 30. Lokacin da ɗigon ruwa ya bayyana a cikin gilashin gani, rufe bawul ɗin tururi (kimanin mintuna 30-40), kuma zafin jiki zai tashi zuwa 75-78 ° C. jiki (cikakken ƙari a cikin sa'o'i 8-9). A lokaci guda, ƙara 50 grams na ammonium persulfate a kowace awa (diluted da ruwa sau 10). Yanayin zafin jiki ya yi girma ko ƙasa da ƙasa, kuma ƙimar ƙarar monomer da adadin mai ƙididdigewa ana iya sarrafa shi da kyau, amma jimlar adadin dabarar ba dole ba ne a wuce shi. Yi rikodin yanayin reflux da yanayin zafin ƙarar monomer kowane minti 30, da yin rikodin ƙimar ƙarar monomer da adadin mai ƙidayar kowane sa'a.
Bayan ƙara monomer, lura da zafin jiki na maganin amsawa. Idan ya yi girma (sama da 85 ° C), ana iya ƙara gram 440 na ammonium persulfate daidai. 95 ° C, dumi tsawon minti 30, sanyi zuwa ƙasa da 50 ° C, ƙara maganin sodium bicarbonate. Bayan lura da cewa bayyanar emulsion ya cancanta, ƙara dibutyl phthalate, motsawa na 1 hour, da fitarwa.
Tsarin Turmi Insulation
1. Insulation slurry dabara
Tsarin turmi mai rahusa, mara fiber, cikakkiyar sauƙin amfani da tsarin turmi.
1) Siminti: 650kg
2) Tokar tashi ta biyu: 332kg
3) Gyaran ruwan teku ES7718S: 14kg
4) Gyaran ruwan teku ES7728: 2kg
5) hpmc: 2kg
7 cubic polystyrene barbashi za a iya yi da ton na thermal rufi slurry.
Wannan dabara yana da kyakkyawan aiki, babban danko, kuma kusan babu raguwa a bangon foda. Thermal rufi slurry yana da kyau nade mataki zuwa barbashi da kuma yana da kyau tsaga juriya.
2. Insulation samar dabara: anti-crack turmi (granular da inorganic tsarin)
1) Siminti: 220kg, 42.5 talakawa Portland siminti
2) Toka mai tashi: 50kg, ash na sakandare ko mara hankali
3) Sand 40-70 raga: 520kg, yashi bushe graded
4) Sand 70-140 raga: 200kg, yashi bushe graded
5) Gyaran ruwan teku: 2kg, ES7718 da aka gyara
6) Canjin ruwan teku: 6kg, ES7738 da aka gyara
7) Hpmc: 0.6kg, matsakaici da ƙananan danko cellulose ether
8) pp fiber: 0.5kg, tsawon 3-5mm
3. Insulation samar da dabara jerin: dubawa wakili
1) Siminti: 450kg, 42.5 ko talakawa Portland siminti
2) Tokar tashi: 100kg, na biyu ko ash ba tare da damuwa ba
3) Sand 70-140 raga: 446kg, busassun yashi graded
4) Gyaran ruwan teku: 2kg, ES7728 da aka gyara
5) Hpmc: 2kg, matsakaici da high danko cellulose
4. Insulation samar da dabara jerin: mai ɗaure (EPS / XPS tsarin)
1) Siminti: 400kg, 42.5 talakawa Portland siminti
2) Sand 70-140 raga: 584kg, yashi bushe graded
3) Gyaran ruwan teku: 14kg, ES7738 da aka gyara
4) Hpmc: 2kg, matsakaici da ƙananan danko cellulose ether
5. Insulation samar jerin jerin: plastering turmi (EPS/XPS tsarin)
1) Siminti: 300kg, 42.5 talakawan Portland siminti
2) Tokar tashi: 30kg, ash na biyu ko calcium mai nauyi
3) Sand 70-140 raga: 584kg, busassun yashi graded
4) Canjin ruwan teku: 18kg, ES7738 da aka gyara
5) Hpmc: 1.5kg, matsakaici da ƙananan danko cellulose ether
6. Ƙimar magana don samar da turmi mai rufi na perlite
① PO42.5 silicon ciminti na yau da kullun: 150KG
② Tokar tashi: 50KG
③ nauyi alli: 50KG
④ JMH-07 na musamman roba foda don perlite thermal rufi turmi: 2-3KG
⑤ Fiber itace: 1-1.5KG
⑥ Polypropylene staple fiber ko gilashin fiber: 1KG
Girma: 1m³
Ƙara ruwa kai tsaye da kuma motsawa daidai. Cakuda: ruwa = 1:1 (G/G). Zai fi kyau a bar shi don minti 5-10 kafin amfani. An haramta gine-gine a ƙasa da 5 ° C. Zai fi kyau a yi amfani da kayan haɗawa a cikin minti 30. Ƙara perlite a wurin ginin, ana bada shawarar ƙara 0.15 m³ perlite a kowace 25KG slurry.
Ƙimar ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan tsari 1 (ana iya daidaita shi daidai da ainihin halin da ake ciki)
Danyen abu, samfuri, yawan adadin (%)
Siminti na Portland II, 42.5R, 44
Fadada mai siffar U, 3
Aluminum foda jiyya, 0.002～0.004
Quicklime CaO, 2
Foda mai sake tarwatsewa, 2.00
Yashi, 1 ~ 3mm, 10
Yashi, 0.1 ~ 1mm, 17.80
Yashi, 0.1 ~ 0.5mm, 20
Cellulose ether, 6000cps, 0.03
Defoamer, Agtan P80, 10.20
Polycarboxylate superplasticizer, 0.03
Silica foda, Elken 902U, 0.50
Bentonite da aka gyara, Optibent MF, 0.12
Lokacin aikawa: Fabrairu-09-2023