Umhla wokuPoswa:24,Oct,2022

 

Kuyinto eqhelekileyo ukuba isanti kunye negrabile ibe nomxholo wodaka, kwaye ayiyi kuba nempembelelo enkulu ekusebenzeni kwekhonkrithi. Nangona kunjalo, umxholo wodaka olugqithisileyo uya kuchaphazela kakhulu ukumanzi, iplastiki kunye nokuqina kwekhonkrithi, kwaye amandla ekhonkrithi nawo aya kuncitshiswa. Isiqulatho sodaka sesanti kunye nezixhobo zegrabile ezisetyenziswa kwezinye iindawo ziphakame kangange-7% okanye nangaphezulu kwe-10%. Emva kokongeza i-admixtures, ikhonkrithi ayikwazi ukufezekisa ukusebenza kakuhle. Ikhonkrithi ayinayo ne-fluidity, kwaye nokuba i-fluidity encinci iya kunyamalala ngexesha elifutshane. Indlela ephambili yale nto ingasentla kukuba umhlaba okwisanti une-adsorption ephezulu kakhulu, kwaye uninzi lwee-admixtures ziya kubhengezwa ngumhlaba emva kokuxuba, kwaye i-admixtures eseleyo ayanelanga ukubhengeza kunye nokusabalalisa iinqununu zesamente. Okwangoku, ii-polycarboxylate admixtures zisetyenziswa ngokubanzi. Ngenxa yobuncinci bale mveliso, le nto ingasentla ibaluleke kakhulu xa isetyenziselwa ukwenza ikhonkrithi kunye nomxholo ophezulu wodaka kunye nesihlabathi.

Okwangoku, uphando olunzulu lwenziwa kumanyathelo okusombulula ukuxhathisa udaka lwekhonkrithi. Izisombululo eziphambili zezi:

(1) Ukwandisa umthamo we-admixtures. Nangona le ndlela ineempembelelo ezicacileyo, kuba i-dosage ye-admixtures kwikhonkrithi kufuneka iphindwe kabini okanye ngaphezulu, iindleko zokwenza ikhonkrithi ziyanda. Kunzima ukuba abavelisi bamkele.

(2) Ukuguqulwa kweekhemikhali ze-admixture ezisetyenziselwa ukutshintsha isakhiwo se-molecular of admixture. Kukho iingxelo ezininzi ezinxulumeneyo, kodwa umbhali uyaqonda ukuba ezi zongezo ezichasene nodaka ezisanda kuphuhliswa zisenokulungelelanisa kwimihlaba eyahlukeneyo.

(3) Ukuphuhlisa uhlobo olutsha lwe-anti-sludge functional admixture ukuba isetyenziswe ngokudibanisa ne-admixtures esetyenziswa ngokuqhelekileyo. Siye sabona iarhente echasene nodaka eChongqing naseBeijing. Imveliso inomlinganiselo omkhulu kunye nexabiso eliphezulu. Kukwanzima kumashishini ekhonkrithi orhwebo ngokubanzi ukuba ayamkele. Ukongeza, le mveliso nayo inengxaki yokuziqhelanisa nemihlaba eyahlukeneyo.

 

La manyathelo alandelayo okuchasa udaka nawo ayafumaneka kwireferensi yophando:

1.I-admixtures esetyenziswa ngokuqhelekileyo ixutywe kunye nezinto eziphathekayo kunye ne-dispersibility ethile kunye nexabiso eliphantsi lokunyusa amacandelo anokuthi adsorbed ngumhlaba, onomphumo othile.

2.Ukubandakanya umlinganiselo othile we-polymer encibilikayo ephantsi-i-molecular-weight-weight kwi-admixture inefuthe elithile.

3.Sebenzisa ezinye izisasazi, iiretarders kunye nezinciphisi zamanzi ezithanda ukopha.