Ukwakhiwa kwe-mortar ngomshini kuye kwazanywa futhi kwakhuthazwa iminyaka eminingi eShayina, kodwa akukho ntuthuko enkulu eyenziwe. Ngaphezu kokungabaza kwabantu mayelana nezinguquko eziphazamisayo ezizolethwa ukwakhiwa kwe-mortar ezindleleni zokwakha zendabuko, isizathu esiyinhloko ukuthi ngaphansi kwemodi yendabuko, i-mortar exutshwe endaweni cishe ingabangela ukuvalwa kwamapayipi kanye neminye imisebenzi ngesikhathi senqubo yokwakha ngemishini ngenxa yezinkinga ezifana nosayizi wezinhlayiya kanye nokusebenza. Amaphutha awagcini nje ngokuphazamisa inqubekela phambili yokwakha, kodwa futhi andisa ukuqina kokwakha, okudala ukwesaba kwabasebenzi ubunzima futhi kwandisa ubunzima bokukhuthazwa kokwakhiwa ngemishini.
Eminyakeni yamuva nje, ngokusungulwa kwezimboni ezinkulu ze-dry-mixed mortar ezweni lonke, ikhwalithi kanye nokuqina kwe-dry-mixed mortar kuye kwaqinisekiswa. Kodwa-ke, i-dry-mixed mortar iyacutshungulwa futhi ikhiqizwe yizimboni. Ngokuphathelene nezinto zokusetshenziswa zodwa, intengo kumele ibe phezulu kuneyokuxuba endaweni. Uma ukuplasta ngesandla kuqhubeka, ngeke kube nenzuzo yokuncintisana ngaphezu kwe-dry-mixed mortar endaweni, noma ngabe kukhona amazwe Ngenxa yenqubomgomo "yokuvinjelwa kwemali", izimboni ezintsha ze-dry-mixed mortar zisalwela ukuthola imali, futhi ekugcineni ziyawa.
Isingeniso esifushane ekusebenzeni okuphelele kodaka olufuthwe ngomshini
Uma kuqhathaniswa nodaka lwendabuko oluxutshwe endaweni, umehluko omkhulu wodaka olufuthwe ngomshini ukwethulwa kochungechunge lwezingxube ezifana ne-hydroxypropyl methyl cellulose ether engenza ngcono ukusebenza kodaka, ukuze ukusebenza kodaka olusanda kuxutshwa kube kuhle. , izinga eliphezulu lokugcina amanzi, futhi lusenokusebenza okuhle ngemva kokupompa ibanga elide nokuphakama okuphezulu. Inzuzo yalo enkulu itholakala ekusebenzeni kahle kakhulu kokwakhiwa kanye nekhwalithi enhle yodaka ngemva kokubumba. Njengoba udaka lunejubane elikhulu lokuqala ngesikhathi sokufutha, lungaba nokubamba okuqinile ne-substrate, okunganciphisa ngempumelelo isimo sokugoba nokuqhekeka.
Ngemva kokuhlolwa okuqhubekayo, kutholakale ukuthi lapho ulungiselela udaka lokuplasta olufuthwe ngomshini, sebenzisa isihlabathi esenziwe ngomshini esinobukhulu bezinhlayiya obungu-2.5mm, okuqukethwe yimpuphu yetshe okungaphansi kuka-12%, kanye nokwehlukaniswa okufanelekile, noma ubukhulu bezinhlayiya obuphezulu obungu-4.75mm kanye nokuqukethwe kodaka okungaphansi kuka-5%. Lapho izinga lokugcina amanzi kodaka olusanda kuhlanganiswa lilawulwa ngaphezu kuka-95%, inani lokuvumelana lilawulwa cishe ku-90mm, kanti ukulahlekelwa kokuvumelana kwamahora ama-2 kulawulwa ngaphakathi kuka-10mm, udaka lusebenza kahle ngokupompa kanye nokusebenza kokufutha, futhi ukubukeka kodaka olubunjiwe kubushelelezi futhi kuhlanzekile, udaka lufana futhi lucebile, alugobile, alunamigoqo futhi aluqhekeki.
Ingxoxo ngezithasiselo ezihlanganisiwe ze-mortar efuthwe ngomshini
Inqubo yokwakha udaka olufuthwe ngomshini ihlanganisa kakhulu ukuxuba, ukupompa kanye nokufutha. Ngenxa yokuthi ifomula inengqondo futhi ikhwalithi yezinto zokusetshenziswa iyafaneleka, umsebenzi oyinhloko wodaka olufuthwe ngomshini ukwenza ngcono ikhwalithi yodaka olusanda kuxutshwa futhi kuthuthukiswe ukusebenza kokupompa kodaka. Ngakho-ke, udaka olufuthwe ngomshini olujwayelekile lwakhiwe yi-ejenti yokugcina amanzi kanye ne-ejenti yokupompa. I-Hydroxypropyl methylcellulose ether iyi-ejenti enhle kakhulu yokugcina amanzi, engakwazi nje ukwandisa i-viscosity yodaka, kodwa futhi ithuthukise kakhulu ukugeleza kodaka futhi inciphise ukuhlukaniswa kanye nokopha ngaphansi kwenani elifanayo lokuvumelana okwenzekile. I-ejenti yokupompa ngokuvamile yakhiwe yi-ejenti yokufaka umoya kanye ne-ejenti yokunciphisa amanzi. Ngesikhathi senqubo yokuxuba udaka olusanda kuxutshwa, inani elikhulu lama-bubbles omoya amancane lethulwa ukwakha umphumela webhola, onganciphisa ukumelana kokungqubuzana phakathi kwezinhlayiya ezihlanganisiwe futhi uthuthukise ukusebenza kokupompa kodaka. Ngesikhathi senqubo yokufafaza udoti ofuthwe ngomshini, ukudlidliza okuncane okubangelwa ukuzungeza kwephampu yokudlulisa izikulufo kuzokwenza kalula ukuthi udoti ose-hopper uhlukaniswe, okuholela enanini elincane lokuvumelana engxenyeni ephezulu kanye nenani elikhulu lokuvumelana engxenyeni engezansi, okuzoholela kalula ekuvinjweni kwamapayipi lapho umshini usebenza, futhi Ngemva kokubumba, ikhwalithi yodoti ayifani futhi ithambekele ekomeni nasekuqhekekeni. Ngakho-ke, lapho kuklanywa izithasiselo ezihlanganisiwe zodoti oqhumisa umshini, ezinye iziqinisi kufanele zengezwe kahle ukuze kuncishiswe ukuhlukaniswa kodoti.
Ngesikhathi abasebenzi benza ukuhlolwa kodaka olufuthwe ngomshini, umthamo wesithasiselo esihlanganisiwe wawungu-0.08%. Udaka lokugcina lwalusebenza kahle, ukusebenza kahle kokupompa, aluzange luhlehle ngesikhathi senqubo yokufutha, futhi ubukhulu obukhulu bokufutha okukodwa babufinyelela ku-25px.
Isikhathi sokuthunyelwe: Disemba-20-2022