Kunemikhawulo ekwenzeni ngcono ukusebenza kwe-gypsum passe ngokuhlanganiswa okukodwa. Uma ukusebenza ngodaka lwe-gypsum ukufeza imiphumela egculisayo futhi uhlangabezana nezidingo zohlelo lokusebenza, ama-admixtures ahlukene, ama-admixture, ama-filler kanye nezinto ezahlukahlukene zezinto zokwakha zidingeka ngokwesayensi nangokufanelekile.
1. I-coagulant
Ukulawula ubumbano ikakhulukazi kuhlukaniswe kabusha ku-retarder kanye ne-coabulant. Ku-GESO DRY Mix udaka, umkhiqizo osebenzisa i-Gesso ephekiwe ukwenza konke ukusebenzisa i-ejenti yokubambezela, sebenzisa i-anhydrous gesso noma umkhiqizo osebenzisa ama-gesso amanzi ama-2 ukwenza izidingo eziqondile zokuthuthukisa i-ejenti ye-coogate.
2. I-Retardarder
Ngokungeza i-retarder kwizinto zokwakha ezomile ze-gypsum, inqubo ye-hydration ye-jpsum ye-hydrous ivinjelwe futhi isikhathi sokuqina siyaqhubeka isikhathi eside. Izimo ze-hydration zodaka lwe-gypsum zihlukahlukene, kufaka phakathi ukwakheka kwesigaba sodaka lwe-gypsum, izinga lokushisa lezinto ze-gypsum, inhlawulo yezinhlayiyana, ukusetha isikhathi kanye nenani lomkhiqizo ophelile. Isici ngasinye sinethonya elithile ngomphumela wokubuyisa kabusha, ngakho-ke kunomehluko omkhulu ngenani le-ejenti yokubuyisa ngaphansi kwezimo ezahlukene. Njengamanje, i-retardarder ekhethekile yasekhaya ekhethekile ye-gypsum iyi-retardiin ye-metamorphic (amaprotheni aphezulu), inezinzuzo zezindleko eziphansi, isikhathi eside se-retarder, ukulahleka kwamandla amancane, isikhathi eside, isikhathi eside sokuvula nokunye. Ngohlobo olungezansi lwe-stucco gypsum yokulungiselela ngokuvamile ku-0.06% ~ 0.15%.
3. I-coagulant
Ukusheshisa isikhathi esishukumisayo se-slurry futhi kunwebe ijubane elishukumisayo le-slurry kungenye yezindlela ezibonakalayo zokukhuthaza ukugibela. Ama-coagurants amakhemikhali asetshenziswa kakhulu ezintweni zokwakha ze-anhydrous ze-gypsum powder kuyinto potassium chloride, potassium silicate, sulfate namanye ama-acid. Umthamo ngokuvamile u-0.2% ~ 0.4%.
4. I-ejenti yokugcina amanzi
Izinto zokwakha zokwakha zokwakha ze-Gesso zokwakha azikwazi ukushiya ukuvikela i-ejenti yamanzi. Ukwenza ngcono inani lokugcina lamanzi le-gypsum Product Slurry ukuqinisekisa ukuthi amanzi angaba khona ku-gypsum slurry isikhathi eside ukuze athole i-hydration enhle nomphumela onzima. Ukwenza ngcono ukukhiqizwa kwezinto zokwakha ze-gypsum powder, ukunciphisa nokuvimbela ukuhlukaniswa nokopha kwe-gypsum slurry, ukuthuthukisa ukugeleza kwe-gypsum, kuxazululwa isikhathi sokuvula, ukuxazulula izinkinga zekhwalithi yobunjiniyela njengokuqhekeka kanye nesigubhu esingenalutho kuhlukaniswa kusuka ku-ejenti yokugcina amanzi. Ukuthi i-ejenti yokugcina amanzi ilungile incike kakhulu ekuhlakazeni kwayo, i-solubility esheshayo, ukubumba, ukuqina okushisayo nokuqina, phakathi kokugcinwa kwamanzi kuyinkomba ebaluleke kakhulu.
I-Ager-ether egcina amanzi
Njengamanje, i-hydroxypropylylylyl methyl cellulose iyona esetshenziswa kakhulu emakethe, ilandelwe yi-methyl cellulose, kanye ne-carboxymethyl cellulose. Izakhiwo eziphelele ze-Hydroxypropylylylyl methyl celtule zingcono kune-methyl cellulose. Ukugcinwa kwamanzi kwe-hydroxypropyllyllylyllylylllllls kuphakeme kakhulu kunalokho kwe-carboxymethyl cellulose, kepha umphumela wokuqina kanye nomphumela wokuqina kanye nomphumela wokuqina kubi kakhulu kune-carboxymetyyl cellulose. Ezintweni zokwakha ezomile ze-gypsum, inani le-hydroxypropyl kanye ne-methyl cellulose lisezingeni elingu-0,1% ~ 0.3%, kanye nenani le-carboxyboxylllulose esezingeni elingu-0.5% ~ 1.0%.
I-ejenti yokugcina amanzi
Uhlobo lwesitashi luvikela i-ejenti yamanzi ngokuyisisekelo ukuthi isebenzisa e-gesso ibe u-putty enganeni, ungqimba we-ungqimba imodeli ye-stucco Gesso, ingathatha isikhundla somusa noma inani le-cellulose enohlobo luvikela i-ejenti yamanzi. Ukusebenza, ukukhiqizwa kanye nokuguquguquka kwe-slurry kungathuthukiswa ngokungeza i-ejenti ye-Starch Water-Retaineing wokwakha izinto zokwakha i-gypsum. Imikhiqizo ye-ejenti esetshenziswayo evame ukusetshenziswa kwesitashi yi-cassava starch, isitashi sangaphambi kwe-gelatinised, isitashi se-carboxymethyl, isitashi se-carboxpropylyl. Uhlobo lwesitashi luvikela umthamo we-agent wamanzi ukuze ube ngo-0.3% ~ 1% okuvame kakhulu, uma umthamo mkhulu kakhulu umhlangano wenza umkhiqizo we-gesso wenza imvelo ye-genow, ithinta ikhwalithi yephrojekthi ngqo.
③ glue thayipha amanzi e-ejenti
Amanye ama-adhesives asheshayo angadlala indima engcono ekugcinweni kwamanzi. Okufana no-17-88, 24-88 polyvinyl Alcohol Powder, Green Gum kanye Guum Usetshenziselwa ukubopha i-gypsum, gypsum putty, glue glue inxed, glue inhlamvu yokwakha ebomile, ngenani elithile lezokwakha, linganciphisa inani I-Cellulose Water Retation Agent. Ikakhulu ku-gypsum enamathela ngokushesha, ingathatha indawo yezithako zezinye izimo kwezinye izimo.
(4) Izinto zokugcina zamanzi ezigciniwe
Ukusetshenziswa kwezinye izinto zokugcina amanzi ezintweni zokwakha zokwakha ezihlanganisiwe ze-gypsum zinganciphisa inani lezinto ezithile zezinto zokugcina amanzi, zinciphisa izindleko zemikhiqizo, futhi zithuthukise ukuzokwakhiwa kanye nokwakhiwa kwe-gypsum slurry. Izinto zokugcina zamanzi ezisetshenziswayo ezisetshenziswayo ezisetshenziswayo ziyi-bentonite, kaolin, i-diatomite, i-zeolite powder, i-perlite powder, attapulgite Clay, njll.
5. Adhesive
Ukusetshenziswa kokunamathela ezintweni zokwakha ezihlanganisiwe ze-gypsum ezihlanganisiwe kuphansi kuphela ku-ejenti yokugcina amanzi kanye ne-retarder. I-Gesso Self Gotar, i-adhesive gesso, i-caulking gesso, i-glue yokushisa i-Gesso ye-Gesso ayikwazi ukushiya umenzeli wokunamathela.
I-Platex Platex evuselelayo:
I-FATUCKEX evuselelayo ye-latex isetshenziswa kabanzi ku-gypsum seald udaka ngosimende, gluypsum insulation glue, gypsum caulking pulty nokunye. Ikakhulu ku-gypsum self-wolding udaka, kungenza i-visucidity ye-slurry, uketshezi oluhle, ukunciphisa ukuhlukaniswa, ukugwema ukopha, ukuthuthukisa ukumelana nokuqhekeka ngakho-ke futhi kudlale indima enkulu. Ukusetshenziswa ngokuvamile kungu-1.2% ~ 2.5%.
Utshwala obusheshayo be-polyvinyl:
Njengamanje, i-polyvinyl yotshwala ebongeziwe esheshayo enomthamo owengeziwe emakethe ingu-24-88, 17-88 umkhiqizo wamamodeli amabili, uvame ukusetshenziswa ku-glue okunamathela, i-stucco, udaka oluhlanganisiwe lokulondolozwa kweminye imikhiqizo, umthamo ngo-0.4% ~ 1.2% ngokuvamile.
IGuar Gum, insimu gelatin, i-carboxymethyl cellulose, isitashi i-ether nokunye okunjalo kunama-adhesives anemisebenzi ehlanganisiwe yokwakha e-gypsum.
6. I-Shidener
Ukuqina ikakhulukazi ukuthuthukisa ukuwenza nokshukela we-gypsum slurry, okufana nomenzeli wokugcina amanzi, kepha hhayi ngokuphelele. Eminye imikhiqizo ye-ejenti yokuqina ilungile ngokuqina kwenhlonipho yenhlonipho, kepha inhlonipho ayikahle kumandla ahlanganayo, izinga lokugcina amanzi. Lapho wenza izinto zokwakha i-gypsum eyomile kafulawa, umphumela oyinhloko wokuhlanganiswa kufanele ubhekwe ngokugcwele ukuze usebenzise ukuhlangana kangcono futhi ngokunengqondo. Imikhiqizo esetshenziswa kakhulu esetshenziswa yi-polynacrylamide, gum eluhlaza, gum gum, i-carboxymethyl cellulose.
7. Umenzeli ongenisa umoya
Umenzeli wokufaka umoya waziwa nangokuthi i-ejenti ye-Foaming, esetshenziswa ikakhulukazi ku-glupsum yokufakwa kwe-gypsum, udaka olubunjiwe nezinye izinto zokwakha ezihlanganisiwe ze-gypsum. I-Agent efaka umoya (umenzeli we-Foaming) isiza ukuthuthukisa ukwakhiwa, ukumelana nokuqhekeka, ukunciphisa ukopha kanye nokuhlukaniswa kwegazi kanye ne-dosage ngokuvamile ku-0.01% ~ 0.02% ~ 0.02% ~ 0.02%.
8. I-ejenti yokuhlambalaza
Umenzeli we-DeCoauming uvame ukusetshenziswa ngodaka lwe-gesso self-weselding, i-gesso caulking ibe ngu-putty in, ingavusa ubuntu bezinto ezibonakalayo, amandla, ukumelana kwamanzi, ukubhekisisa ubulili, umthamo ku-0.04% ~ 0.04% ejwayelekile.
9. Amanzi anciphisa i-ejenti
Ukunciphisa i-ejenti yamanzi kungathuthukisa i-gesso slurry fluidity kanye ne-geso ngamandla omzimba ngamandla, imvamisa e-gesso self ngodaka, iStucco Gesso. Njengamanje, amanzi asekhaya anciphisa i-ejenti yi-polycarboxylic acid ukubuyisa amanzi e-ejenti, i-melamine ukuphakama kwamanzi okunciphisa amanzi okunciphisa amanzi okunciphisa amanzi, ukunciphisa amanzi ancishisiwe ngokusho kwe-fluority kanye ne-Fluancy Event. Ngaphezu kokusetshenziswa kwamanzi namandla, kuyadingeka ukunaka isikhathi sokubekezela kanye nokwehla kwezinto zokwakha ama-gypsum lapho usebenzisa amanzi anciphisa i-ejenti ngezinto zokwakha ezomile ze-gypsum.
10. Umenzeli ongavunyelwe
Isici esikhulu kunazo zonke semikhiqizo ye-gypsum ukumelana namanzi ampofu. Le ndawo enomswakama omkhulu womoya inezidingo eziphakeme zokumelana zamanzi zodaka oluhlanganisiwe lwe-gypsum eyomile. Ngokuvamile, ukumelana kwamanzi kwe-gypsum lukhuni umzimba olwenziwe lukhuni ngokungeza ukuhlanganiswa kwe-hydraulic. Ngaphansi kwesimo samanzi noma amanzi agcwele, i-coefficing ethambile ye-gypsum eqinile umzimba ingafinyelela ku-0,7, ukuze ihlangabezane nezidingo zamandla oMkhiqizo. Ama-admixtures anamakhemikhali nawo angasetshenziswa ukunciphisa i-solubity ye-gypsum (okungukuthi, akhuphule i-coefficial ethambisayo), anciphise ukumuncwa kwe-gypsum emanzini (okungukuthi, anciphise ukuguguleka komzimba oqinile (okungukuthi, amanzi Ukuhlukaniswa) Indlela yokumelana namanzi. I-Gypsum wantroof agent ine-ammonium bolate, i-methyl sodium siling, abicone resin, ubisi lwe-wax lungcono futhi i-silicone emulsion materproof ament.
11. Isishoshovu esisebenzayo
I-Gypsum yemvelo neyamakhemikhali nekhemikhali ingenziwa isebenze ukuyenza inamathele futhi iqine, ukuze ilungele ukukhiqizwa kwezinto zokwakha ezixubile ze-gypsum eyomile. I-activator ye-acid ingasheshisa amazinga okuqala we-hydration we-anhydrous gypsum, anciphise isikhathi sokusetha futhi athuthukise amandla okuqala emzimbeni oqinile we-gypsum. I-Alkaline activitor ayinamthelela omncane emazingeni okuqala we-hydration we-anhydrous gypsum, kepha ngokusobala angathuthukisa amandla okhiye we-gypsum oqinile, futhi angaba yingxenye yezinto eziqinile ze-gypsum eGypsum, ethuthukisa kahle ukumelana kwamanzi kwe-gypsum lukhuni umzimba oqinile . Umphumela wohlelo lokusebenza we-acid-Base activator ane-compact activator ungcono kunaleso se-acid eyodwa noma i-activator eyisisekelo. Ama-activis e-acid afaka i-potassium alum, i-sodium sulfate, i-potassium sulfate nokunye. Ama-ackatine e-alkaline afaka i-quallime, usimende, usimende Clinker, uDolomite obhalwe phansi nokunye.
I-Thixotropic Trubting
I-ThixovaRable etholakalayo isetshenziswa ku-gypsum ye-gypsum noma ye-stysum ye-tucsum, enganciphisa ukumelana nokugeleza kodaka lwe-gypsum, yandisa isikhathi sokuvula, ukuvikela ukuguquguquka nokuxazululwa kwe-slurry, ngenkathi kwenza umfaniswano owenziwe lukhuni umfaniswano womzimba, wandise amandla alo angaphezulu komhlaba.
Isikhathi sePosi: Meyi-25-2022