Ibyerekeye Defoamers (Antifoam)

Hariho ubwoko bwinshi bwaAbatesha agacirokandi birakoreshwa cyane.Inzira yo "guhagarika ifuro" na "kumena ifuro" ya defoamer ni: iyo defoamer yongewe kuri sisitemu, molekile zayo zigabanywa ku buryo butunguranye hejuru y’amazi, bikabuza gukora firime ya elastique, ni ukuvuga kurangiza. ibisekuru.Iyo sisitemu itanga umubyimba mwinshi, ongeramo defoamer, molekile zayo zihita zikwirakwira hejuru yifuro, zikwirakwira vuba, zikora firime yoroheje cyane ya firime, irusheho gukwirakwira, kwinjira, no gutera mubice, bityo igasimbuza urukuta ruto. ya firime yumwimerere.Bitewe n'ubushyuhe buke bwo hejuru, itembera mumazi hamwe nubushyuhe bwo hejuru butanga ifuro, kuburyo molekile ya defoamer ifite ubushyuhe buke bwo hejuru ikomeza gukwirakwira no kwinjira hagati ya gaze-yamazi, bigatuma urukuta rwa firime rworoha vuba, kandi ifuro nayo yibasiwe nubuso bukikije.Igice cya firime gifite impagarara nyinshi gikurura cyane, kuburyo guhangayikishwa nifuro bitaringanijwe, biganisha kuri "kumena ifuro".Molekile ya defoamer idashobora gukemuka muri sisitemu izongera kwinjira hejuru yizindi firime ya furo, nibindi, ifuro yose izarimburwa rwose.

Nigute wahitamo igikwiyeAntifoam

Gukora no kubaka impuzu bizabyara ibibyimba bitandukanye.Igisekuru cyibibyimba bidindiza iterambere ryiza ryumusaruro nubwubatsi, kandi mugihe kimwe kizana inenge kuri firime yuzuye.Guhitamo neza defoamer ikwiye birashobora kwemeza iterambere risanzwe ryumusaruro nubwubatsi.

Igikorwa cya defoamer: gusenya firime yamazi hejuru yigituba, irinde kwibumbira hamwe no guteza imbere gusenyuka.Defoamer ikoreshwa mubituba binini, kandi microfoam igomba gukoreshwa hamwe no gutesha agaciro no gusebanya.

Ibiranga Defoamer: Defoamer ntishobora gukemuka hagati, ariko irashobora kwinjira no gutatanya hagati muburyo bwa microdroplets.Diameter ikora neza ya microdroplets ya defoamer ihwanye nubunini bwurukuta rwinshi.

Ibigize Defoamer:Abatesha agacirokubwububiko bushingiye kumazi yubatswe bugabanijemo ubwoko butari silikoni na silikoni irimo.IbisanzweAbatesha agacirobigizwe n'ibice bikurikira:

Ibintu bifatika: Ikora nkibintu bimena ifuro kandi bisebanya hamwe nubutaka buke.Abahagarariye harimo amavuta y’inyamanswa n’ibimera, silika hydrophobique, alcool nyinshi, nibindi.

Umukozi wa Diffusion: Wetting emulsifier kugirango urebe neza ko micro-ibitonyanga bitesha agaciro bikwirakwira kandi bigahura na firime ya bubble ikwirakwira.Hano hari (octyl) phenol polyoxyethylene ether, umunyu wisabune nibindi.

Umwikorezi: Ifasha ibintu bifatika guhuza na sisitemu yo kubira ifuro, kandi biroroshye gukwirakwiza muri sisitemu yo kubira ifuro.Uhujije byombi, ifite uburemere buke hejuru, ifasha guhagarika ifuro, kandi irashobora kugabanya ibiciro.

Ibintu bibiri bigomba kuba byujujwe kugirango bisebye: ibintu byinjira: E = γ1 + γ12-γ3> 0, kugirango barebe ko defoamer yinjira mu rukuta rwinshi;gukwirakwiza ibintu S = γ1-v12-γ3> 0, kugirango umenye neza ko ibitonyanga bya defoamer Diffusion ikwirakwira mubitangazamakuru byinshi.

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