Ibigize Gypsum Mortar Yivanze?

Imvange imwe ifite aho igarukira mugutezimbere imikorere ya gypsum slurry. Niba imikorere ya gypsum mortar ari ukugera kubisubizo bishimishije kandi byujuje ibisabwa bitandukanye, imiti ivanze, imiti, ibyuzuza, nibikoresho bitandukanye birasabwa guhuzwa no kuzuzanya muburyo bwa siyansi kandi bushyize mu gaciro.

1. Igenzura rya coagulation

Igenzura rya coagulation rigabanijwe cyane cyane kubadindiza kandi byihuta. Muri gypsumu yumye ivanze na minisiteri, retarders ikoreshwa kubicuruzwa byateguwe na plaster ya paris, kandi byihuta bisabwa kubicuruzwa byateguwe na gypsumu ya anhydrous cyangwa ukoresheje gypsumu ya dihydrate.

2. Gusubira inyuma

Ongeraho retarder kuri gypsum yumye ivanze nibikoresho byubaka birabuza inzira ya hydrasi ya gypsumu ya hemihydrate kandi ikongerera igihe cyo gushiraho. Hano haribintu byinshi byoguhindura plaster, harimo ibice bigize plaster, ubushyuhe bwibikoresho bya plasta mugihe utegura ibicuruzwa, ubwiza bwibice, gushiraho igihe na pH agaciro byibicuruzwa byateguwe, nibindi. Buri kintu kigira uruhare runini mubikorwa byo kudindiza. , nuko rero hari itandukaniro rinini mubunini bwa retarder mubihe bitandukanye. Kugeza ubu, icyiza cyiza cya gypsumu mu Bushinwa ni poroteyine yahinduwe (protein nyinshi), ifite ibyiza byo kugiciro gito, igihe kirekire cyo kudindira, gutakaza imbaraga nke, kubaka ibicuruzwa byiza, nigihe kinini cyo gufungura. Amafaranga akoreshwa mugutegura plaque yo hasi ya stucco muri rusange ni 0.06% kugeza 0.15%.

3. Coagulant

Kwihutisha umuvuduko ukurura igihe no kongera umuvuduko ukabije ni bumwe muburyo bwo kwihuta kwumubiri. Imiti ikoreshwa cyane mubikoresho byubaka ifu ya anhydrite harimo potasiyumu chloride, potasiyumu silikatike, sulfate nibindi bintu bya aside. Igipimo muri rusange ni 0.2% kugeza 0.4%.

4. Umukozi wo kubika amazi

Gypsum yumye-ivanze ibikoresho byubaka ntibishobora gutandukana nibikoresho bigumana amazi. Kunoza igipimo cyo gufata amazi yibicuruzwa bya gypsumu ni ukureba ko amazi ashobora kubaho muri gypsum igihe kirekire, kugirango abone ingaruka nziza yo gukomera. Kunoza iyubakwa ryibikoresho byubaka ifu ya gypsumu, kugabanya no gukumira amacakubiri no kuva amaraso ya gypsum, kunoza igabanuka ryigihe, gufungura igihe cyo gufungura, no gukemura ibibazo byubuziranenge bwubwubatsi nko gutobora no gutobora byose ntibishobora gutandukana nabakozi babika amazi. Niba ibikoresho bigumana amazi ari byiza biterwa ahanini no gutatana kwayo, guhita bikemuka, guhindagurika, ubushyuhe bwumuriro hamwe nubwinshi bwumutungo, muribwo icyerekezo cyingenzi nukubika amazi.

Hariho ubwoko bune bwamazi agumana amazi:

①Cellulosicumukozi wo kubika amazi

Kugeza ubu, ikoreshwa cyane ku isoko ni hydroxypropyl methylcellulose, ikurikirwa na methyl selulose na carboxymethyl selulose. Muri rusange imikorere ya hydroxypropyl methylcellulose iruta iya methylcellulose, kandi kubika amazi byombi birarenze cyane ibya carboxymethylcellulose, ariko ingaruka zo kubyimba n'ingaruka zo guhuza ni bibi kuruta ibya carboxymethylcellulose. Muri gypsumu yumye ivanze n’ibikoresho byubaka, ingano ya hydroxypropyl na methyl selulose muri rusange ni 0.1% kugeza 0.3%, naho selile ya carboxymethyl selile ni 0.5% kugeza 1.0%. Umubare munini wibisabwa byerekana ko gukoresha byombi ari byiza.

②Amazi agumana amazi

Amazi agumana amazi ya krahisi akoreshwa cyane cyane muri gypsum putty na plaster plaque, kandi irashobora gusimbuza igice cyangwa ibikoresho byose bigumana amazi ya selile. Ongeramo ibinyamisogwe bishingiye kumazi agumana ibikoresho bya gypsumu yumye yumye birashobora kunoza imikorere, gukora, hamwe no guhuzagurika. Ibikoresho bikoreshwa cyane mu kubika amazi arimo ibinyamavuta birimo tapioca krahisi, ibinyamisogwe byateganijwe, karubisi ya carboxymethyl, hamwe na karubisi. Umubare wibikoresho bishingiye ku mazi agumana amazi muri rusange ni 0.3% kugeza 1%. Niba umubare ari munini cyane, bizatera mildew yibicuruzwa bya gypsumu ahantu h’ubushuhe, bizahita bigira ingaruka kumiterere yumushinga.

③Ibikoresho bifata amazi

Ibikoresho bimwe byihuta birashobora kandi kugira uruhare runini rwo gufata amazi. Kurugero, 17-88, 24-88 ifu ya alcool ya polyvinyl, gum ya Tianqing na guar gum ikoreshwa mubikoresho byubaka byumye bivanze nka gypsumu, gypsum putty, hamwe na kole ya gypsum. Irashobora kugabanya ubwinshi bwamazi agumana selile. Cyane cyane muri gypsum yihuta, irashobora gusimbuza burundu selile ya ether igumana amazi mu bihe bimwe na bimwe.

④Ibikoresho byo kubika amazi kama

Gushyira mu bikorwa ibindi bikoresho bigumana amazi muri gypsumu yumye ivanze n’ibikoresho byubaka birashobora kugabanya ubwinshi bwibindi bikoresho bigumana amazi, kugabanya ibiciro by’ibicuruzwa, kandi bikagira uruhare runini mu kuzamura imikorere n’ubwubatsi bwa gypsumu. Ibikoresho bikoreshwa cyane mu gufata amazi adafite ingufu zirimo bentonite, kaolin, isi ya diatomaceous, ifu ya zeolite, ifu ya perlite, ibumba rya attapulgite, nibindi.

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Gukoresha ibifata muri gypsumu yumye ivanze nibikoresho byubaka ni ibya kabiri nyuma yo kubika amazi hamwe na retarders. Gypsum yo kwisuzumisha minisiteri, gypsumu ihujwe, gypsumu ya caulking, hamwe na gypsumu ya insuline yumuriro byose ntibishobora gutandukana nibifatika.

 Ifu ya redxersible latex

Ifu ya Redispersible latex ikoreshwa cyane muri gypsum yo kwishyiriraho uburinganire, gypsum insulation compound, gypsum caulking putty, nibindi. gusiba, kwirinda kuva amaraso, no kunoza guhangana. Igipimo muri rusange ni 1.2% kugeza 2,5%.

Inzoga za polyvinyl ako kanya

Kugeza ubu, inzoga za polyvinyl zihita zikoreshwa ku isoko ni 24-88 na 17-88. Bikunze gukoreshwa mubicuruzwa nko guhuza gypsumu, gypsum putty, gypsum composite yumuriro wa insuline, hamwe na plaster. 0.4% kugeza kuri 1,2%.

Guar gum, Tianqing gum, carboxymethyl selulose, krahisi ether, nibindi byose bifata hamwe nibikorwa bitandukanye byo guhuza ibikoresho bya gypsumu byumye bivanze.

6. Thickener

Kubyimba ahanini ni ukunoza imikorere no kugabanuka kwa gypsum slurry, bisa nibifata hamwe nibikoresho bigumana amazi, ariko ntabwo byuzuye. Ibicuruzwa bimwe byabyimbye bigira akamaro mubyimbye, ariko ntabwo ari byiza muburyo bwo guhuriza hamwe no gufata amazi. Mugihe utegura ibikoresho byubaka gypsumu yumye, uruhare runini rwimvange rugomba gutekerezwa byuzuye kugirango ushyire mubikorwa neza kandi neza. Ibicuruzwa bisanzwe bikoreshwa cyane birimo polyacrylamide, Tianqing gum, guar gum, carboxymethyl selulose, nibindi.

7. Umukozi winjiza ikirere

Ibikoresho byinjira mu kirere, bizwi kandi ko bifata ifuro, bikoreshwa cyane cyane mu bikoresho byubaka byumye bivanze nka gypsum insulation hamwe na plaster. Umukozi winjiza ikirere (agent ifuro) ifasha kunoza ubwubatsi, kurwanya ubukana, kurwanya ubukonje, kugabanya kuva amaraso no gutandukanya, kandi muri rusange dosiye ni 0.01% kugeza 0.02%.

8. Defoamer

Defoamer ikunze gukoreshwa muri gypsum yo kwipimisha minisiteri na gypsum caulking putty, ishobora kuzamura ubucucike, imbaraga, kurwanya amazi hamwe nubufatanye bwa slurry, kandi dosiye muri rusange ni 0.02% kugeza 0.04%.

9. Kugabanya amazi

Ibikoresho bigabanya amazi birashobora kunoza amazi ya gypsum hamwe nimbaraga zumubiri wa gypsumu ukomantaye, kandi mubisanzwe bikoreshwa muri gypsumu yo kwisuzumisha minisiteri na plaster. Kugeza ubu, kugabanya amazi mu gihugu bikurikiranwa hakurikijwe amazi n’ingaruka zabyo: kugabanya amazi ya polycarboxylate yagabanije amazi, kugabanya amazi meza ya melamine, kugabanya icyayi gishingiye ku cyayi kigabanya amazi meza, ndetse no kugabanya amazi ya lignosulfonate. Iyo ukoresheje ibikoresho bigabanya amazi muri gypsum yumye-ivanze ibikoresho byubaka, usibye gutekereza ku gukoresha amazi nimbaraga, hagomba no kwitabwaho igihe cyagenwe no gutakaza amazi yibikoresho byubaka gypsum mugihe runaka.

10. Umukozi utarinda amazi

Inenge nini yibicuruzwa bya gypsumu ni ukutarwanya amazi nabi. Uturere dufite ubuhehere bwinshi bwo mu kirere bufite ibisabwa byinshi kugirango amazi arwanya gypsumu yumye-ivanze. Mubisanzwe, kurwanya amazi ya gypsumu ikomera byongerwaho hongerwamo hydraulic. Ku bijyanye n’amazi atose cyangwa yuzuye, kongeramo hanze y’amazi ya hydraulic birashobora gutuma coefficente yoroheje yumubiri wa gypsumu ukomera igera kuri 0.7, kugirango byuzuze imbaraga zumusaruro. Imiti ivangwa n’imiti irashobora kandi gukoreshwa kugirango igabanye ubukana bwa gypsumu (ni ukuvuga kongera coefficient yoroshye), kugabanya adsorption ya gypsumu kumazi (ni ukuvuga kugabanya umuvuduko wamazi) no kugabanya isuri yumubiri ukomeye wa gypsumu (ni ukuvuga , kwigunga kw'amazi). Ibikoresho bya Gypsum birinda amata ya ammonium, sodium methyl siliconate, resin silicone, ibishashara bya paraffin emulisile, hamwe na silicone emulsion yamashanyarazi kandi bigira ingaruka nziza.

11. Gukangura

Gukora anhydrites karemano na chimique itanga gukomera hamwe nimbaraga zo gukora gypsum yumye-ivanze ibikoresho byubaka. Gukoresha aside irashobora kwihutisha umuvuduko ukabije wa gypsumu ya anhydrous, kugabanya igihe cyagenwe, no kunoza imbaraga za kare za gypsumu zikomeye. Imikorere ya alkaline ntigira ingaruka nke ku gipimo cya hydrasiyo ya gypsumu hakiri kare, ariko irashobora kuzamura cyane imbaraga zumubiri wumubiri wa gypsumu ukomantaye, kandi irashobora gukora igice cyibikoresho bya hydraulic gelling mu mubiri wa gypsumu ikomye, bikanoza neza kurwanya amazi. gukomera gypsum umubiri. Imikoreshereze yingirakamaro ya acide-base yibikorwa iruta iyindi ya acide imwe cyangwa yibanze. Ibibyutsa aside birimo potasiyumu alum, sodium sulfate, potasiyumu sulfate, nibindi. Abakora alkaline barimo igihe cyihuta, sima, climer ya sima, calcomine dolomite, nibindi.

12. Amavuta ya Thixotropic

Thixotropic lubricants ikoreshwa muri gypsumu yo kwisuzumisha cyangwa gips ya plasta, ishobora kugabanya umuvuduko ukabije wa minisiteri ya gypsumu, ikongerera igihe cyo gufungura, ikabuza gutondeka no gutuza ibishishwa, kugirango ibishishwa bibone amavuta meza kandi akore neza. Mugihe kimwe, imiterere yumubiri irasa, kandi imbaraga zayo zo hejuru ziriyongera.