Kukho imida ekuphuculeni ukusebenza kwe-gypsum paste ngomxube omnye. Ukuba ukusebenza kwe-gypsum mortar kuza kufezekisa iziphumo ezanelisayo kwaye kuhlangatyezwane neemfuno ezahlukeneyo zokusetyenziswa, kufuneka umxube weekhemikhali, umxube, izizalisi kunye nezinye izinto ezahlukeneyo ukuze kuhlanganiswe kwaye kuhambelane ngokwesayensi nangokufanelekileyo.
1. I-coagulant
I-coagulant elawulayo yahlulwe ngokubanzi ibe yi-retarder kunye ne-coagulant. Kwi-gesso dry mix mortar, imveliso esebenzisa i-gesso ephekiweyo ukwenza yonke into isebenzisa i-agent yokucola, isebenzisa i-gesso engenamanzi okanye imveliso esebenzisa i-gesso yamanzi amabini ukwenza ngqo kufuneka ikhuthaze i-agent yokucola.
2. Umlindi
Ngokongeza i-retarder kwizixhobo zokwakha ezixutyiweyo ze-gypsum dry, inkqubo yokufunxa amanzi kwi-semi-hydrous gypsum iyathintelwa kwaye ixesha lokuqina liyandiswa. Iimeko zokufunxa amanzi kwi-gypsum plaster zahlukile, kubandakanya ukwakheka kwesigaba se-gypsum plaster, ubushushu bezinto ze-gypsum, ubuncinci be-particle, ixesha lokuseta kunye nexabiso le-pH yemveliso egqityiweyo. Into nganye inefuthe elithile kwisiphumo sokufunxa, ngoko ke kukho umahluko omkhulu kubungakanani be-arhente yokufunxa phantsi kweemeko ezahlukeneyo. Okwangoku, i-gypsum special retarder engcono yasekhaya yi-metamorphic protein (high protein) retarder, ineengenelo zexabiso eliphantsi, ixesha elide lokufunxa, ukulahleka kwamandla amancinci, ukwakhiwa okuhle, ixesha elide lokuvula njalo njalo. Kwi-stucco esezantsi, isixa sokulungiselela i-gypsum ngokubanzi sikwi-0.06% ~ 0.15%.
3. I-coagulant
Ukukhawulezisa ixesha lokuxuba i-slurry kunye nokwandisa isantya sokuxuba i-slurry yenye yeendlela ezibonakalayo zokukhuthaza ukujiya. Ii-coagulants zeekhemikhali ezisetyenziswa kakhulu kwizixhobo zokwakha i-anhydrous gypsum powder yi-potassium chloride, i-potassium silicate, i-sulfate kunye nezinye ii-asidi. Umlinganiselo ngokubanzi yi-0.2% ~ 0.4%.
4. Isixhobo sokugcina amanzi
Izixhobo zokwakha zeGesso dry mix azinakushiya iarhente yamanzi ekhuselayo. Ukuphucula izinga lokugcina amanzi kwi-slurry yemveliso yegypsum kukuqinisekisa ukuba amanzi anokubakho kwi-slurry yegypsum ixesha elide ukuze kufunyanwe ukufuma okuhle kunye nesiphumo sokuqina. Ukuphucula ukwakheka kwezixhobo zokwakha i-gypsum powder, ukunciphisa nokuthintela ukwahlulwa kunye nokopha kwe-slurry yegypsum, ukuphucula ukuhamba kwe-slurry okuxhonyiweyo, ukwandisa ixesha lokuvula, ukusombulula iingxaki zomgangatho wobunjineli ezifana nokuqhekeka kunye ne-drum engenanto azinakwahlulwa kwiarhente yokugcina amanzi. Ukuba iarhente yokugcina amanzi ifanelekile kuxhomekeke kakhulu ekusasazeka kwayo, ukunyibilika ngokukhawuleza, ukubumba, ukuzinza kobushushu kunye nokuqina, phakathi kwazo ukugcinwa kwamanzi yeyona nto ibalulekileyo.
Iarhente yokugcina amanzi ye-cellulose ether
Okwangoku, i-hydroxypropyl methyl cellulose yeyona isetyenziswa kakhulu kwimarike, ilandelwa yi-methyl cellulose, kunye ne-carboxymethyl cellulose. Iimpawu ezipheleleyo ze-hydroxypropyl methyl cellulose zingcono kune-methyl cellulose. Ukugcinwa kwamanzi kwe-hydroxypropyl methyl cellulose kuphezulu kakhulu kune-carboxymethyl cellulose, kodwa isiphumo sokutyeba kunye nesiphumo sokubopha sibi kunese-carboxymethyl cellulose. Kwizixhobo zokwakha ezixutywe ne-gypsum dry, ubungakanani be-hydroxypropyl kunye ne-methyl cellulose buphakathi kwe-0.1% ~ 0.3%, kwaye ubungakanani be-carboxymethyl cellulose buphakathi kwe-0.5% ~ 1.0%.
Iarhente yokugcina amanzi kwisitatshi
Uhlobo lwesitatshi lukhusela iarhente yamanzi ngokusisiseko esetyenziselwa i-gesso be putty ebantwaneni, imodeli yomaleko wobuso i-stucco gesso, inokuthatha indawo ye-cellulose engaphelelanga okanye iyonke ikhusela iarhente yamanzi. Ukusebenza kakuhle, ukwakhiwa kwayo kunye nokuhambelana kwe-slurry kunokuphuculwa ngokongeza iarhente yokugcina amanzi kwizixhobo zokwakha ezomileyo ze-gypsum. Iimveliso zearhente yokugcina amanzi kwisitatshi ezisetyenziswa rhoqo yi-cassava starch, istarch esandul’ ukugawulwa, istarch ye-carboxymethyl, istarch ye-carboxypropyl. Uhlobo lwesitatshi lukhusela iarhente yamanzi ukuba ibe kwi-0.3% ~ 1% ngokuqhelekileyo, ukuba idosi inkulu kakhulu idibana yenza imveliso ye-gesso ivelise imbonakalo ye-mildew ngaphantsi kwendawo emanzi, ichaphazele umgangatho weprojekthi ngokuthe ngqo.
③ Isixhobo sokugcina amanzi sohlobo lweglue
Ezinye izinto zokuncamathelisa ezikhawulezileyo nazo zingadlala indima engcono ekugcinweni kwamanzi. Ezifana ne-17-88, i-24-88 polyvinyl alcohol powder, i-green gum kunye ne-guar gum ezisetyenziselwa i-bonding gypsum, i-gypsum putty, i-gypsum insulation glue kunye nezinye izinto zokwakha ezixutyiweyo ze-gypsum dry, kwixabiso elithile letyala, zinokunciphisa ubungakanani be-cellulose water retention agent. Ingakumbi kwi-fast sticking gypsum, ingathatha indawo ye-cellulose ethers kwezinye iimeko.
(4) Izinto zokugcina amanzi ezingaphiliyo
Ukusetyenziswa kwezinye izinto ezidityanisiweyo zokugcina amanzi kwizixhobo zokwakha ezidityanisiweyo zegypsum kunokunciphisa inani lezinye izinto zokugcina amanzi, kunciphise iindleko zeemveliso, kwaye kuphucule ukusebenza kunye nokwakhiwa kwe-gypsum slurry. Izinto zokugcina amanzi ezingasetyenziswayo ezisetyenziswa rhoqo yi-bentonite, i-kaolin, i-diatomite, i-zeolite powder, i-perlite powder, i-attapulgite clay, njl.
5. Isincamathelisi
Ukusetyenziswa kweglue kwizixhobo zokwakha ezixutyiweyo zegypsum dry akunamsebenzi kuphela kune-arhente yokugcina amanzi kunye ne-retarder. I-Gesso self leveling mortar, i-adhesive gesso, i-caulking gesso, iglue ye-gesso yokugcina ubushushu ayinakuyishiya i-arhente yeglue.
Umgubo welatex ophinda unyibilike:
Umgubo welatex ophinda uqhekeke usetyenziswa kakhulu kwi-gypsum self-leveling mortar, i-gypsum insulation glue, i-gypsum caulking putty njl. Ingakumbi kwi-gypsum self-leveling mortar, ingenza i-slurry viscidity, i-fluidity elungileyo, ukunciphisa i-stratification, ukuthintela ukopha, ukuphucula ukumelana nokuqhekeka njl.njl. Ukusetyenziswa ngokubanzi yi-1.2% ~ 2.5%.
Utywala be-polyvinyl obukhawulezayo:
Okwangoku, i-polyvinyl alcohol enyibilikisiweyo ngokukhawuleza enedosi engaphezulu kwimarike yi-24-88, 17-88 imveliso yeemodeli ezimbini, ezisetyenziswa rhoqo kwi-adhesive plaster, i-gesso, i-gesso compound heat preservation glue, i-stucco plaster kunye nezinye iimveliso, idosi iqhele ukuba yi-0.4% ~ 1.2%.
I-Guar gum, i-field gelatin, i-carboxymethyl cellulose, i-starch ether njalo njalo zizinto zokuncamathelisa ezinemisebenzi eyahlukeneyo yokubopha kwizixhobo zokwakha ezixutyiweyo ze-gypsum dry.
6. Isiqinisi
Ukujiya ikakhulu kukuphucula ukusebenza kakuhle kunye nokuthamba kwe-gypsum slurry, efana ne-adhesive kunye ne-agent yokugcina amanzi, kodwa kungekhona ngokupheleleyo. Ezinye iimveliso ze-agent yokujiya zilungile ekujiyeni, kodwa intlonipho ayifanelekanga ngamandla adibeneyo, izinga lokugcina amanzi. Xa kusenziwa izixhobo zokwakha ze-gypsum dry powder, isiphumo esiphambili sokuxuba kufuneka siqwalaselwe ngokupheleleyo ukuze kusetyenziswe ukuxuba ngcono nangakumbi ngokufanelekileyo. Iimveliso ze-thickener ezisetyenziswa rhoqo yi-polyacrylamide, i-green gum, i-guar gum, i-carboxymethyl cellulose.
7. Iarhente yokungenisa umoya
I-air entraining agent ikwaziwa ngokuba yi-foam agent, esetyenziswa kakhulu kwi-gypsum insulation glue, i-plaster plaster kunye nezinye izixhobo zokwakha ezixutyiweyo ze-gypsum dry. I-air entraining agent (i-foaming agent) inceda ukuphucula ulwakhiwo, ukumelana nokuqhekeka, ukumelana neqabaka, ukunciphisa ukopha kunye nokwahlukana, idosi ngokubanzi ikwi-0.01% ~ 0.02%.
8. Iarhente yokucoca inxeba
I-arhente yokucola isetyenziswa rhoqo kwi-gesso self-leveling mortar, i-gesso caulking ibe putty, inokunyusa uxinano lwe-pulp yezinto, amandla, ukumelana namanzi, i-caking sex, kwaye idosi iqhele ukuba yi-0.02% ~ 0.04%.
9. Iarhente yokunciphisa amanzi
Iarhente yokunciphisa amanzi inokuphucula ukugeleza kwe-gesso slurry kunye namandla omzimba okuqinisa i-gesso, ngokuqhelekileyo kwi-gesso self leveling mortar, i-stucco gesso. Okwangoku, iarhente yokunciphisa amanzi yasekhaya yiarhente yokunciphisa amanzi e-polycarboxylic acid, iarhente yokunciphisa amanzi esebenza kakuhle kakhulu ye-melamine, iarhente yokunciphisa amanzi esebenza kakuhle kakhulu kwinkqubo yeti, iarhente yokunciphisa amanzi e-lignosulfonate ngokwe-fluidity kunye nefuthe lamandla. Ukongeza ekusetyenzisweni kwamanzi kunye namandla, kuyimfuneko ukuqwalasela ixesha lokuseta kunye nokulahleka kokugeleza kwezinto zokwakha ze-gypsum xa usebenzisa iarhente yokunciphisa amanzi kwizixhobo zokwakha ezixutyiweyo ze-gypsum.
10. Iarhente yokuthintela ukungenwa kwamanzi
Eyona ngxaki inkulu kwiimveliso zegypsum kukungangeni kakuhle kwamanzi. Indawo enomswakama omkhulu womoya ineemfuno eziphezulu zokungangeni kwamanzi kwi-gypsum dry mixed mortar. Ngokubanzi, ukumelana kwamanzi komzimba wegypsum oqinisiweyo kuphucuka ngokongeza umxube we-hydraulic. Phantsi kwemeko yamanzi amanzi okanye agcweleyo, umlinganiselo wokuthambisa womzimba wegypsum oqinisiweyo unokufikelela kwi-0.7, ukuze kuhlangatyezwane neemfuno zamandla emveliso. Umxube weekhemikhali ungasetyenziselwa ukunciphisa ukunyibilika kwegypsum (oko kukuthi, ukwandisa umlinganiselo wokuthambisa), ukunciphisa ukufunxwa kwegypsum emanzini (oko kukuthi, ukunciphisa ukufunxwa kwamanzi) kunye nokunciphisa ukukhukuliseka komzimba wegypsum oqinisiweyo (oko kukuthi, ukuhlukaniswa kwamanzi) indlela yokuxhathisa amanzi. I-Gypsum waterproof agent ine-ammonium borate, i-methyl sodium silicate, i-silicone resin, i-milk fossil wax, isiphumo singcono kwaye i-silicone emulsion agent ingangeni manzi.
11. Isiqalisi esisebenzayo
I-gypsum ye-anhydrous yendalo neyekhemikhali ingasetyenziswa ukuze inamathele kwaye yomelele, ukuze ifaneleke kwimveliso yezixhobo zokwakha ezixutyiweyo ze-gypsum ezomileyo. I-activator ye-asidi inokukhawulezisa izinga lokufunxa amanzi kwangoko kwe-gypsum e-anhydrous, inciphise ixesha lokuseta kwaye iphucule amandla okuqala omzimba oqiniswe yi-gypsum. I-activator ye-alkaline ayinampembelelo ingako kwizinga lokufunxa amanzi kwangoko kwe-gypsum e-anhydrous, kodwa ngokucacileyo inokuphucula amandla kamva omzimba oqiniswe yi-gypsum, kwaye inokuba yinxalenye yezinto zokusimisa nge-hydraulic emzimbeni oqiniswe yi-gypsum, nto leyo ephucula ngempumelelo ukumelana kwamanzi komzimba oqiniswe yi-gypsum. Isiphumo sokusebenzisa i-activator ye-acid-base compound singcono kuneso se-single acid okanye i-basic activator. I-activators ye-asidi ziquka i-potassium alum, i-sodium sulfate, i-potassium sulfate njalo njalo. I-activators ye-alkaline iquka i-quicklime, isamente, i-cement clinker, i-calcined dolomite njalo njalo.
I-lubricant ye-Thixotropic
I-lubricant ye-Thixovariable isetyenziswa kwi-gypsum okanye kwi-stuccoing gypsum ezizilinganiselayo, enokunciphisa ukumelana nokuhamba kwe-gypsum mortar, yandise ixesha lokuvula, ithintele ukuqhekeka kunye nokuhlaliswa kwe-slurry, ukuze i-slurry ifumane ukuthambisa okuhle kunye nokwakhiwa, ngelixa isenza isakhiwo somzimba esiqinileyo sifane, sonyuse amandla omphezulu waso.
Ixesha lokuthumela: Meyi-25-2022