Desulfurized gypsum ke sehlahiswa sa phepelo ya kgase ya flue desulfurization femeng ya matla a mashala kapa dimela tse ding tse sebedisang mafura a nang le sebabole. Ka lebaka la ho hanyetsa mollo o phahameng, ho hanyetsa mocheso le ho hanyetsa mongobo, e 'nile ea sebelisoa haholo indastering ea kaho e le thepa ea mohaho. Leha ho le joalo, e 'ngoe ea liqholotso tse kholo tsa ho sebelisa gypsum ea desulfurized ke mocheso oa eona o phahameng oa hydration, o ka lebisang mathateng a kang ho phunyeha le ho senya nakong ea ho beha le ho thatafatsa. Ka hona, ho na le tlhokahalo ea ho fumana mekhoa e sebetsang ea ho fokotsa mocheso oa hydration ea desulfurized gypsum ha u ntse u boloka thepa le thepa ea eona.
Li-cellulose ethers ke li-additives tse atisang ho sebelisoa indastering ea kaho ho ntlafatsa ts'ebetso, matla le ho tšoarella ha thepa e entsoeng ka samente. Ke polima e se nang chefo, e ka bola, e ka nchafatsoang e nkiloeng ho selulose, e leng motsoako o mongata ka ho fetesisa oa lintho tse phelang lefatšeng. Cellulose ether e ka etsa sebopeho se tsitsitseng se kang gel ka metsing, se ka ntlafatsang ho boloka metsi, ho hanyetsa sag le ho tsitsisa ha thepa e entsoeng ka samente. Ntle le moo, li-cellulose ethers li ka ama ts'ebetso ea hydration le ho beha lisebelisoa tse thehiloeng ho gypsum, tse amang thepa le thepa ea bona ea mochini.
Phello ea cellulose ether ho gypsum hydration le mokhoa oa ho tiisa
Gypsum ke motswako wa calcium sulfate dihydrate o kopanang le metsi ho etsa diboloko tse thata tsa calcium sulfate hemihydrate. Ts'ebetso ea hydration le solidification ea gypsum e rarahane ebile e kenyelletsa mekhahlelo e mengata, ho kenyelletsa le nucleation, kholo, crystallization le solidification. Boitšoaro ba pele ba gypsum le metsi bo hlahisa mocheso o mongata, o bitsoang mocheso oa hydration. Mocheso ona o ka baka khatello ea mocheso le ho fokotseha ha thepa e thehiloeng ho gypsum, e ka lebisang ho mapetsong le liphoso tse ling.
Cellulose ethers e ka ama hydration le ho beha mekhoa ea gypsum ka mekhoa e mengata. Taba ea pele, li-cellulose ethers li ka ntlafatsa ts'ebetso le botsitso ba lisebelisoa tse thehiloeng ho gypsum ka ho etsa li-dispersions tse tsitsitseng le tse ts'oanang metsing. Sena se fokotsa litlhoko tsa metsi mme se eketsa phallo ea thepa, ka tsela eo ho nolofatsa mokhoa oa hydration le ho beha. Taba ea bobeli, li-cellulose ethers li ka tšoara le ho boloka mongobo ka har'a thepa ka ho etsa marang-rang a kang a gel, ka tsela eo, e matlafatsa matla a ho boloka metsi. Sena se lelefatsa nako ea hydration mme se fokotsa monyetla oa khatello ea mocheso le ho fokotseha. Taba ea boraro, li-cellulose ethers li ka liehisa mehato ea pele ea hydration ka ho bapatsa ka holim'a likristale tsa gypsum le ho thibela kholo ea tsona le kristale. Sena se fokotsa lebelo la pele la mocheso oa hydration le ho lieha ho beha nako. Ea bone, li-cellulose ethers li ka ntlafatsa thepa ea mochini le ts'ebetso ea lisebelisoa tse thehiloeng ho gypsum ka ho eketsa matla a tsona, ho tšoarella le ho hanyetsa deformation.
Lintlha tse amang mocheso oa hydration ea desulfurized gypsum
Mocheso oa hydration oa desulfurized gypsum o angoa ke lintlha tse fapaneng, ho kenyelletsa le sebopeho sa lik'hemik'hale, boholo ba likaroloana, mongobo, mocheso le li-additives tse sebelisoang linthong. Motsoako oa lik'hemik'hale oa desulfurized gypsum o ka fapana ho latela mofuta oa mafura le ts'ebetso ea desulfurization e sebelisitsoeng. Ka kakaretso, ha e bapisoa le gypsum ea tlhaho, gypsum ea desulfurized e na le likahare tse phahameng tsa litšila tse kang calcium sulfate hemihydrate, calcium carbonate, le silica. Sena se ama tekanyo ea hydration le boholo ba mocheso o hlahisoang nakong ea karabelo. Boholo ba likaroloana le sebaka se ikhethileng sa gypsum se nang le sulfurized le sona se tla ama sekhahla le matla a mocheso oa hydration. Likaroloana tse nyane le sebaka se seholo se ikhethileng se ka eketsa sebaka sa ho ikopanya le ho nolofatsa karabelo, e leng se bakang mocheso o phahameng oa hydration. Likahare tsa metsi le mocheso oa thepa li ka boela tsa ama mocheso oa hydration ka ho laola sekhahla le boholo ba karabelo. Likahare tse phahameng tsa metsi le mocheso o tlase li ka fokotsa sekhahla le matla a mocheso oa hydration, athe metsi a tlase le mocheso o phahameng o ka eketsa sekhahla le matla a mocheso oa hydration. Li-additives tse kang cellulose ethers li ka ama mocheso oa hydration ka ho sebelisana le likristale tsa gypsum le ho fetola thepa le boitšoaro ba tsona.
Melemo e ka bang teng ea ho sebelisa cellulose ethers ho fokotsa mocheso oa hydration ea desulfurized gypsum.
Tšebeliso ea rona ea cellulose ethers e le li-additives ho fokotsa mocheso oa hydration ea desulfurized gypsum e fana ka melemo e mengata e ka bang teng, ho kenyelletsa:
1. Ntlafatsa ts'ebetso le ts'ebetsong ea thepa, e leng molemo ho kopanya, ho behoa le ho hlophisoa ha thepa.
2. Fokotsa tlhokahalo ea metsi le ho eketsa metsi a lisebelisoa, tse ka ntlafatsang thepa ea mochine le ts'ebeliso ea lisebelisoa.
3. Ntlafatsa matla a ho boloka metsi le ho lelefatsa nako ea hydration ea thepa, ka hona ho fokotsa khatello ea mocheso le ho fokotseha ho ka bang teng.
4. Liehisa mohato oa pele oa hydration, liehe ho tiisa nako ea thepa, fokotsa boleng ba tlhōrō ea mocheso oa hydration, le ho ntlafatsa polokeho le boleng ba thepa.
5. Ntlafatsa thepa ea mochini le ts'ebetso ea lisebelisoa, e ka ntlafatsang ho tšoarella, matla le ho hanyetsa deformation ea thepa.
6. Cellulose ether ha e na chefo, e ka senyeha habonolo ebile e ka nchafatsoa, e ka fokotsang phello ea tikoloho le ho khothalletsa tsoelo-pele e tsitsitseng ea indasteri ea kaho.
ha re phethela
Li-cellulose ethers ke li-additives tse tšepisang tse ka susumetsang hydration le ho beha mekhoa ea gypsum e hloekisitsoeng ka ho ntlafatsa ts'ebetso, ho tsitsisa, ho boloka metsi le thepa ea mochine. Tšebelisano pakeng tsa cellulose ethers le gypsum crystals e ka fokotsa mocheso o phahameng oa hydration le ho lieha nako ea ho beha, e ka ntlafatsang polokeho le boleng ba thepa. Leha ho le joalo, katleho ea cellulose ethers e ka 'na ea itšetleha ka lintlha tse kang lik'hemik'hale, boholo ba likaroloana, mongobo, mocheso le lisebelisoa tse sebelisoang linthong. Liphuputso tsa nakong e tlang li lokela ho tsepamisa maikutlo ho optimizing tekanyetso le ho hlophisoa ha cellulose ethers ho finyella phokotso e lakatsehang ea mocheso oa hydration ea desulfurized gypsum ntle le ho ama thepa ea eona ea mochine le thepa. Ho feta moo, melemo e ka bang teng moruong, tikolohong le sechabeng ea ho sebelisa li-cellulose ethers li lokela ho hlahlojoa le ho hlahlojoa ho ea pele.
Nako ea poso: Oct-11-2023