Imashini yo mu bwoko bwa gatatu ya defoamer ni imashini yo mu bwoko bwa silicone defoamer ishingiye kuri polydimethylsiloxane (PDMS, dimethyl silicone oil). Ubu bushakashatsi n'ikoreshwa ry'iyi mashini yo mu bwoko bwa defoamer byiganje mu Bushinwa. PDMS igizwe n'uruhererekane rwa silicon oxygen na organic groups, kandi ntishobora gushyirwa neza ku gapapuro k'amazi ka foam, ku buryo uduce duto twaturika. Imashini yo mu bwoko bwa PDMS ifite ubushobozi bwo gukuramo amazi neza kandi imashini yo mu bwoko bwa PDMS ifite ubushobozi bwo gukuramo amazi neza.
Ibyiza bya silicone defoamer
Ifite ubukana bwiza bwa shimi kandi iragoye kuyikoresha hamwe n'ibindi bintu. Ishobora gukoreshwa mu bisubizo bya aside, alkali n'umunyu.
Ifite ubukana bwiza bw'umubiri, ishobora gukoreshwa mu nganda z'ibiribwa n'imiti, kandi nta mwanda uhumanya ibidukikije.
Ifite ubushyuhe bwiza kandi ihindagurika buhoro, kandi ishobora gukoreshwa mu bushyuhe bwinshi.
Ubushyuhe buri hasi kandi bukwirakwira vuba ku gice cy’amazi n’umwuka.
Ubushyuhe bw'ubuso buri hasi nka 1.5-20 Mn / M (76 Mn / m ku mazi).
Ntabwo byoroshye gushonga hakoreshejwe surfactant mu buryo bwo gufuro.
Ingano nto, ubushyuhe buke kandi ntibwaka cyane.
Ingaruka mbi za silicone defoamer
1. Biragoye gukwirakwira mu buryo bw'amazi.
2. Kubera ko ishongeshwa mu mavuta, ingaruka zo gushonga mu buryo bw'amavuta ziragabanuka.
3. Kudahangana n'ubushyuhe bwinshi.
4. Ubudahangarwa buke ku bijyanye n'ubutare bukomeye.
Igiciro kiri hejuru:PDMS ni emulsion y'amazi mu mavuta (O/W) ikozwe mu mavuta ya silicone, emulsifier, thickener, nibindi, ivangwa n'amazi. Ubushyuhe bw'ubuso bugabanuka vuba kandi bugira ingaruka zikomeye zo kurwanya ifuro no kurwanya ifuro. Igabanyijemo ibice bitatu: amavuta ya silicone, amavuta ya silicone + polyether yahinduwe na polyether yahinduwe na silicone yahinduwe.
Irangwa na:Ubushyuhe buke, imikorere myinshi y'ubuso n'imbaraga zikomeye zo gukurura ifu.
Igipimo gito:Ishobora gukumira no kumenagura uduce duto tw’uduce duto ku buryo bwinshi bwo gusohora uduce duto.Ifite ubushyuhe bwiza kandi ishobora gukoreshwa mu bushyuhe bwinshi.Isangiwe na polyether kandi ifite ingaruka nziza zo guhuza.Ikoreshwa cyane mu gusukura ifumbire mu isabune, gukora impapuro, gukora isukari, gukora isukari, gukoresha amashanyarazi, ifumbire mvaruganda, inyongeramusaruro, gutunganya amazi yanduye n'izindi nzira zo gukora. Mu nganda zikora peteroli, ikoreshwa cyane mu gusukura gazi karemano kugira ngo yihutishe gutandukanya peteroli na gaze; Ikoreshwa kandi mu kugenzura cyangwa guhagarika uduheri mu bikoresho nko kumisha ethylene glycol, gukuramo aromatic hydrocarbon, gutunganya asphalt no gusiga amavuta. Mu nganda zikora imyenda, ikoreshwa mu gusukura ifumbire mu gusiga amarangi, gusya, gupima ingano n'izindi nzira; Ikoreshwa mu gusuka no gusukura ifumbire mu nganda; Ikoreshwa mu gusukura ifumbire mu buryo butandukanye, gushyushya no gusya mu nganda zikora ibiribwa.
Igihe cyo kohereza: Gicurasi-05-2022