Xa ukhetha i-surfactants yokucoca ukucoca okanye ukucubungula izicelo, i-foam luphawu olubalulekileyo. Ngokomzekelo, kwi-manual hard-surface izicelo zokucoca-ezifana neemveliso zokunyamekela isithuthi okanye ukuhlamba izitya ezihlanjwe ngesandla-amanqanaba aphezulu e-foam ahlala enqwenelekayo. Oku kungenxa yokuba ubukho be-foam obuzinzile kakhulu bubonisa ukuba i-surfactant ivuliwe kwaye yenza umsebenzi wayo wokucoca. Ngokwahlukileyo, kwiinkqubo ezininzi zokucoca kunye nokusebenza kwemizi-mveliso, i-foam inokuphazamisa izenzo ezithile zokucoca ngoomatshini kunye nokuthintela ukusebenza ngokubanzi. Kwezi meko, abaqulunqi kufuneka basebenzise ii-surfactants ezinogwebu olusezantsi ukuhambisa umsebenzi ofunekayo wokucoca ngelixa ulawula ukugxilwa kwegwebu. Eli nqaku lijolise ukwazisa i-foam surfactants ephantsi, ukubonelela ngesiqalo sokukhethwa kwe-surfactant kwizicelo zokucoca i-foam ephantsi.
Ukusetyenziswa kweFoam ephantsi
Ugwebu lwenziwa kukuphithizela kujongano lomphezulu womoya. Ke ngoko, iintshukumo zokucoca ezibandakanya ukuphazamiseka okuphezulu, ukucheba okuphezulu, okanye ukutshiza ngoomatshini kuhlala kufuna ii-surfactants ezinolawulo olufanelekileyo logwebu. Imizekelo ibandakanya: ukuhlamba iinxalenye, ukucoca i-CIP (indawo ecocekileyo), ukukhuhla umgangatho ngoomatshini, indawo yokuhlamba iimpahla kwimizi-mveliso nezorhwebo, ulwelo lwesinyithi, ukuhlamba izitya, ukucocwa kokutya nesiselo, nokunye.
UVavanyo lweeNxibelelwano ezinogwebu oluphantsi
Ukukhethwa kwe-surfactants-okanye indibaniselwano ye-surfactants-yokulawula i-foam iqala ngokuhlalutya imilinganiselo ye-foam. Imilinganiselo yogwebu ibonelelwa ngabavelisi be-surfactant kuncwadi lwabo lwemveliso yobugcisa. Ngomlinganiselo othembekileyo wegwebu, iiseti zedatha kufuneka zisekelwe kwimigangatho yovavanyo eyaziwayo yogwebu.
Iimvavanyo ezimbini eziqhelekileyo kunye nezithembekileyo ze-foam ziluvavanyo lwe-foam ye-Ross-Miles kunye novavanyo oluphezulu lwe-foam.
•Uvavanyo lwe-Ross-Miles Foam , luvavanya ukuveliswa kogwebu lokuqala (i-flash foam) kunye nokuzinza kogwebu phantsi kokuphazamiseka okuphantsi kwamanzi. Uvavanyo lungabandakanya ukufundwa kwenqanaba lokuqala le-foam, lilandelwa yinqanaba le-foam emva kwemizuzu emi-2. Isenokwenziwa kwakhona kwiindawo ezahlukeneyo zokugxilwa kwe-surfactant (umz., i-0.1% kunye ne-1%) kunye namanqanaba e-pH. Uninzi lwabaqulunqi abafuna ulawulo lwe-foam ephantsi lugxininise kumlinganiselo wokuqala we-foam.
•High-Shear Test (bona ASTM D3519-88).
Olu vavanyo luthelekisa imilinganiselo yogwebu phantsi kweemeko ezimdaka nezingangcoliswanga. Uvavanyo oluphezulu lwe-shear luphinda luqhathanise ukuphakama kwe-foam yokuqala kunye nokuphakama kwe-foam emva kwemizuzu emi-5.
Ngokusekwe kuyo nayiphi na yezi ndlela zovavanyo zingentla, abantu abaninzi abasebenzisa i-surfact kwimarike bahlangabezana nemilinganiselo yezithako ezinogwebu oluphantsi. Nangona kunjalo, nokuba yeyiphi na indlela yokuvavanya ugwebu ekhethiweyo, ii-surfactants ezinogwebu oluphantsi kufuneka nazo zibe nezinye izinto ezibalulekileyo zomzimba kunye nokusebenza. Ngokuxhomekeke kwisicelo kunye nendawo yokucoca, ezinye iimpawu ezibalulekileyo zokukhetha i-surfactant zingabandakanya:
•Ukucoca ukusebenza
• Iimpawu zokusingqongileyo, impilo, kunye nokhuseleko (EHS)
• Iipropati zokukhulula umhlaba
•Uluhlu olubanzi lobushushu (oko kukuthi, ezinye ii-factants ezinogwebu olusezantsi zisebenza kuphela kumaqondo obushushu aphezulu kakhulu)
•Ukwenziwa lula kunye nokuhambelana nezinye izithako
•Uzinzo lwePeroxide
Kubaqulunqi, ukulungelelanisa ezi zakhiwo kunye neqondo elifunekayo lokulawula ugwebu kwisicelo kubalulekile. Ukufezekisa le bhalansi, kudla ngokuyimfuneko ukudibanisa i-surfactants ehlukeneyo ukujongana neemfuno zombini ze-foam kunye nokusebenza-okanye ukukhetha i-foam-foam surfactants ephantsi kunye nomsebenzi obanzi.
Ixesha lokuposa: Sep-11-2025