Usuku lwePost: 30, Sep, 2024
![1](https://www.jufuchemtech.com/uploads/38a0b9239.png)
(5) Umenzeli wamandla wakuqala kanye namanzi okuqala anciphise i-ejenti
Ezinye zingezwa ngqo njengabapondo owomile, kanti abanye kufanele baxutshwe zibe izixazululo futhi basebenzise ngokuya ngemiyalo yokusetshenziswa. Uma ixutshwe ngendlela ye-powder eyomile, kufanele ihlanganiswe nosimende nokuhlanganisa kuqala, bese wengeza amanzi, nesikhathi sokuxuba akufanele kube ngaphansi kwemizuzu engu-3. Uma isetshenziswa njengesixazululo, amanzi ashisayo ku-40-70 ° C angasetshenziswa ukusheshisa ukuchithwa. Ngemuva kokuthela, kufanele imbozwe ngefilimu yepulasitiki yokuyelapha. Ezindaweni eziphansi zokushisa, kufanele zimbozwe ngezinto zokufakelwa. Ngemuva kokuhlelwa kokugcina, kufanele kuniselwe futhi kuthathwe ngokushesha ukuze kuvulwe. Lapho kusetshenziselwa i-Steam Pring ukuze ukhonkolo exutshwe ne-ejenti yamandla okuqala, uhlelo lokulashwa lweSteam kumele lunqunywe ngocwaningo.
(6) Antifreeze
U-Antifreeze ucacisile amazinga okushisa angu -5 ° C, -10 ° C, -15 ° C nezinye izinhlobo. Lapho uyisebenzisa, kufanele ikhethwe ngokuya ngamazinga okushisa aphansi nsuku zonke. Ukhonkolo oxutshwe no-antifreeze kufanele usebenzise i-portland cement noma usimende ojwayelekile we-portland cement enebanga lamandla angaphansi kwama-42.5MPA. Ukusetshenziswa kosimende omkhulu we-alumina akuvunyelwe ngokuphelele. I-Chloride, i-nitrite kanye ne-nitrate antifrees anqatshelwe ngokuphelele ekusetshenzisweni kwamaphrojekthi kakhonkolo afakwe phambili. Izinto zokwenziwa ngokhonkolo kufanele zifudumale futhi zisetshenziswe, futhi izinga lokushisa le-mixender akumele libe ngaphansi kuka-10 ° C; Inani le-antiforeeze kanye nesilinganiso samanzi-usimende kumele alawulwe ngokuqinile; Isikhathi sokuxuba kufanele kube ngu-50% isikhathi eside kunokuxuba okushisa okujwayelekile. Ngemuva kokuthelula, kufanele imbozwe ngefilimu yepulasitiki kanye nezinto zokwenziwa, futhi akukho ukuthambisa okufanele kuvunyelwe ngesikhathi sokulungisa amazinga okushisa angemuhle.
![2](https://www.jufuchemtech.com/uploads/8d9d4c2f3.png)
(7) Umenzeli okhulayo
Ngaphambi kokwakha, ukuhlanganiswa kwecala kufanele kwenziwe ukunquma umthamo futhi uqinisekise inani lokunwetshwa elinembile. Ukuxubana kwemishini kufanele kusetshenziswe, isikhathi sokuxuba akufanele sibe ngaphansi kwemizuzu engu-3, futhi isikhathi sokuxuba kufanele kube yimizuzwana engama-30 isikhathi eside ngaphandle kokhonkolo ngaphandle kokhonkolo ngaphandle kokhonkolo ngaphandle kokhonkolo ngaphandle kokhonkolo ngaphandle kwama-conkste. I-Shrinkage-inxephezela ukhonkolo kufanele iboshwe ngomshini ukuze iqinisekise ukuxabana; Ukudlidliza okwenziwe ngomshini akumele kusetshenziselwe ukugcwalisa ngokhonkolo kokwandiswa nge-slump ngenhla kwe-150mm. Ukhonkolo ovelayo kufanele welaphe esimweni esinomswakama isikhathi esingaphezu kwezinsuku eziyi-14, futhi lokhu okulandelayo kufanele kwenziwe kwelaphe ngokufafaza umenzeli olapha.
![Okuthengwa edolo](https://www.jufuchemtech.com/uploads/7fbbce23.png)
(8) Ukusheshisa umenzeli
Lapho usebenzisa ukusheshisa ukusetha ama-ejenti, kufanele kubhekwe ngokugcwele ekuguqukeni kwesimende, kanye nemibandela yokusebenzisa kanye nokusetshenziswa kufanele kwenziwe kahle. Uma okuqukethwe kwe-C3A nama-C3S ku-CEAND, ingxube ekhonkolo ye-accelerator kumele ithululwe noma ichafazwe kungakapheli imizuzu engama-20. Ngemuva kokuthi ukhonkolo yakhelwe, kufanele ifakwe umswakama futhi inakekelwe ukuvikela ukomisa nokuqhekeka.
Isikhathi sePosi: Oct-09-2024