Isizukulwana sesithathu se-defoamer yi-silicone defoamer esekelwe kwi-polydimethylsiloxane (PDMS, i-dimethyl silicone oil). Okwangoku, uphando kunye nokusetyenziswa kwesi sizukulwana se-defoamers zigxile kakhulu eTshayina. I-PDMS yenziwe nge-silicon oxygen chain kunye namanye amaqela e-organic, kwaye ayinakubekwa ngokuqinileyo kwifilimu yolwelo lwe-foam, ukuze amaqamza aqhume. I-PDMS ene-viscosity ephantsi ine-viscosity elungileyo kwaye i-PDMS ene-viscosity ephezulu ine-viscosity elungileyo.
Iingenelo ze-silicone defoamer
Ine-inertia entle yeekhemikhali kwaye kunzima ukuyiphendula nezinye izinto. Ingasetyenziswa kwizisombululo ze-asidi, i-alkali kunye netyuwa.
I-inertia elungileyo ye-physiological, ingasetyenziswa kwimizi-mveliso yokutya kunye namayeza, kwaye ayinangcoliseko kwindalo esingqongileyo.
Izinzile kakuhle kubushushu kwaye ayiguquguquki kakhulu, kwaye ingasetyenziswa kumanqanaba obushushu abanzi.
I-viscosity iphantsi kwaye isasazeka ngokukhawuleza kwindawo yokudibanisa igesi nolwelo.
Uxinzelelo lomphezulu oluphantsi njenge-1.5-20 Mn / M (76 Mn / m yamanzi).
Akulula ukunyibilikiswa yi-surfactant kwinkqubo yokwenza amagwebu.
Idosi ephantsi, i-viscosity ephantsi kunye nokutsha okuphantsi.
Iingxaki ze-silicone defoamer
1. Kunzima ukusasazeka kwinkqubo yamanzi.
2. Ngenxa yokuba iyanyibilika kwioyile, isiphumo sokucocwa kweoyile kwinkqubo yeoyile siyancitshiswa.
3. Ukumelana nobushushu obuphezulu okungekuhle.
4. Ukungamelani kakuhle ne-alkalinity enamandla.
Ixabiso eliphezulu:I-PDMS yi-emulsion yamanzi kwi-oyile (O/W) eyenziwe nge-silicone grease, i-emulsifier, i-thickener, njl.njl., exutywa ngamanzi. Uxinzelelo lomphezulu luyehla ngokukhawuleza kwaye lunefuthe elinamandla lokulwa nokugqwala kunye nokulwa nokugqwala. Yahlulwe kathathu: i-silicone oil, i-silicone oil + i-modified polyether kunye ne-polyether modified silicone oil.
Iphawulwa yi:Uxinzelelo oluphantsi lomphezulu, umsebenzi ophezulu womphezulu kunye namandla aqinileyo okucoca ifoam.
Idosi encinci:Ingathintela kwaye iphule amaqamza kwiimidiya ezininzi zamaqamza.Izinzile kakuhle kubushushu kwaye ingasetyenziswa kumanqanaba obushushu ahlukeneyo.Isetyenziswa kunye ne-polyether kwaye inefuthe lokusebenzisana.Isetyenziswa kakhulu ekucoceni igesi kwisepha, ekwenzeni iphepha, kwipulp, ekwenzeni iswekile, ekufakeni i-electroplating, ekufakeni isichumiso seekhemikhali, kwizinto ezongeziweyo, ekunyangweni kwamanzi amdaka nakwezinye iinkqubo zemveliso. Kwishishini lepetroleum, isetyenziswa kakhulu ekucoceni igesi yendalo ukuze kukhawuleziswe ukwahlukana kweoyile negesi; Ikwasetyenziswa ukulawula okanye ukucinezela amaqamza kwizixhobo ezinje ngokomisa i-ethylene glycol, ukukhupha i-aromatic hydrocarbon, ukucubungula i-asphalt kunye nokuthambisa i-oyile. Kwishishini lempahla, isetyenziselwa ukucoceni igesi kwidayi, ekukhuhleni, ekulinganisweni nakwezinye iinkqubo; Isetyenziswa kwinkqubo ye-emulsion yekhemikhali kunye nokucoceni igesi kwishishini; Isetyenziselwa ukucoceni igesi kwiinkqubo ezahlukeneyo zoxinzelelo, ukubilisa kunye nokunyibilikisa igesi kwishishini lokutya.
Ixesha lokuthumela: Meyi-05-2022