Ebirungo ebirikukyendeeza amaizi: Okwongyera aha kukora kwa sementi omu kwombeka kw’ebishaka
Emyanya y'okushaba emikuru
Ebirungo by‘okukyendeeza amaizi ebirikukora gye munonga (nk‘ebirungo ebirikwegamira ahari polycarboxylate) nibijwekyera omuringo gw‘ebintu ebirikukyendeeza amaizi eby‘omurembe munonga ebiri aha katare. Nizikora zirikukora ekicweka ky’okujanjaara aha mutwe gw’ebicweka bya sementi, ekirikuzibira okuteerana kw’ebicweka bya sementi kandi obwo nikitunguura okusheesheka n’okukora kwa sementi. Eki nikireetaho okujanjaara tikurikukyendeeza aha kukozesa amaizi kwonka kureka n’okwongyera aha buhango n’amaani ga sementi. Okugyeragyeranisa n‘ebintu by‘obuhangwa ebirikukyendeeza amaizi, ebirungo by‘amaani nibireetaho emihendo y‘okukyendeeza amaizi y‘ahaiguru (omu muringo gw‘omutaano 25%-40%) n‘ebyetengo by‘okukyendeeza omubaro mukye (obwire obwingi 0.1%-0.3% y‘omubaro gwona gw‘ebintu bya sementi), n‘okukwatwaho kukye aha by‘obuhangwa.
Omu purojekiti z‘okwombeka, okukoresa ebirungo ebirikukyendeeza amaizi nikibaasa kwongyera munonga aha maani g‘okunyiganyiga n‘okuzibira amaizi ga sementi, kwongyera aha myaka y‘obuheereza bw‘ebizimbe. Nk’eky’okureeberaho, omu kwombeka ebyombeko by’ahaiguru n’ebitara bihango, ebirungo ebirikukyendeeza amaizi ebirikukora gye munonga nibihamya ngu sementi neebaasa kugyendera gye ahansi y’ebyetengo by’amaani maingi, ekirikuhwera omu kukora emirimo y’okwombeka. Okwongyera ahari ekyo, ebirungo ebirikukyendeeza amaizi nibibaasa kukyendeeza aha kusheesha eshagama n’okutaana omu seminti, bikatunguura okushushana kwayo n’okugumaho kwayo.
Omu murimo gw’okwombeka eby’obuhangwa, emitwarize y’eby’obuhangwa ey’ebintu ebirikukyendeeza amaizi n’eby’omugasho munonga. Okukozesa ebirungo ebirikukyendeeza amaizi ebirikukora gye munonga nikibaasa kukyendeeza aha kukozesa sementi, reero kikyendeeze aha nshaho y’omuyaga. Ekindi, ebirungo ebi nibibaasa kwongyera aha kuguma kwa sementi, kukyendeeza aha sente z’okugiboneza n’okukoresa eby’obugaiga by’ebyombeko. Ebirungo bingi ebirikukyendeeza amaizi ebirikukora gye munonga nabyo bitungire ebihandiiko by’ensi yoona eby’obuhangwa, ebirikuhikaana n’ebigyendererwa by’entunguuka etarikuhwaho eby’okwombeka eby’obuhangwa.
Ahabw’okutunguuka kw’eby’okwombeka okurikugumizamu, okukoresa eby’okutabura ebirikukyendeeza amaizi nakwo nikweyongyera. Nk‘eky‘okureeberaho, omu seminti y‘okukora munonga (HPC) na seminti erikwehamya (SCC), ebirungo ebirikukyendeeza amaizi n‘ebintu bikuru ebirikuhamya emitwarize ya sementi erikweshushaniriza ahansi y‘embeera z‘oburemeezi bw‘ahaiguru n‘amaani. Okwongyera ahari ekyo, ebirungo ebirikukyendeeza amaizi nibibaasa kukoresibwa hamwe n’ebindi birungo (nk’ebirikukyendeeza amaizi n’ebirikureeta omuyaga) kwongyera aha mitwarize ya sementi.
Omu purojekiti z‘okwombeka, okukoresa ebirungo ebirikukyendeeza amaizi nikibaasa kwongyera munonga aha maani g‘okunyiganyiga n‘okuzibira amaizi ga sementi, kwongyera aha myaka y‘obuheereza bw‘ebizimbe. Nk’eky’okureeberaho, omu kwombeka ebyombeko by’ahaiguru n’ebitara bihango, ebirungo ebirikukyendeeza amaizi ebirikukora gye munonga nibihamya ngu sementi neebaasa kugyendera gye ahansi y’ebyetengo by’amaani maingi, ekirikuhwera omu kukora emirimo y’okwombeka. Okwongyera ahari ekyo, ebirungo ebirikukyendeeza amaizi nibibaasa kukyendeeza aha kusheesha eshagama n’okutaana omu seminti, bikatunguura okushushana kwayo n’okugumaho kwayo.
Omu murimo gw’okwombeka eby’obuhangwa, emitwarize y’eby’obuhangwa ey’ebintu ebirikukyendeeza amaizi n’eby’omugasho munonga. Okukozesa ebirungo ebirikukyendeeza amaizi ebirikukora gye munonga nikibaasa kukyendeeza aha kukozesa sementi, reero kikyendeeze aha nshaho y’omuyaga. Ekindi, ebirungo ebi nibibaasa kwongyera aha kuguma kwa sementi, kukyendeeza aha sente z’okugiboneza n’okukoresa eby’obugaiga by’ebyombeko. Ebirungo bingi ebirikukyendeeza amaizi ebirikukora gye munonga nabyo bitungire ebihandiiko by’ensi yoona eby’obuhangwa, ebirikuhikaana n’ebigyendererwa by’entunguuka etarikuhwaho eby’okwombeka eby’obuhangwa.
Ahabw’okutunguuka kw’eby’okwombeka okurikugumizamu, okukoresa eby’okutabura ebirikukyendeeza amaizi nakwo nikweyongyera. Nk‘eky‘okureeberaho, omu seminti y‘okukora munonga (HPC) na seminti erikwehamya (SCC), ebirungo ebirikukyendeeza amaizi n‘ebintu bikuru ebirikuhamya emitwarize ya sementi erikweshushaniriza ahansi y‘embeera z‘oburemeezi bw‘ahaiguru n‘amaani. Okwongyera ahari ekyo, ebirungo ebirikukyendeeza amaizi nibibaasa kukoresibwa hamwe n’ebindi birungo (nk’ebirikukyendeeza amaizi n’ebirikureeta omuyaga) kwongyera aha mitwarize ya sementi.
Ebirikushobororwaho
| Eiziina ry'ekintu | Omubazi gwa sodiyamu naphtalini (SNF/PNS/FDN/NSF) | |||||||||
| Amaziina agandi | Polii Naftalini Sulfonati | |||||||||
| Omubazi gwa naftaliini ogurimu sulfoni | ||||||||||
| Ekirungo ky'amaani ekirikwegamira ahari Naphthalene | ||||||||||
| Ebirimu | 5% 10% 18% | |||||||||
| Enshushana | Esaano ya kitaka erikumurinkana | |||||||||
| Okupakira | Enshaho ya 25KG | |||||||||
| CAS TI | 36290-04-7. | |||||||||
| Koodi ya HS | 38244010 | |||||||||
| Obwingi | 14-15MTS Ahabwa 20'FCL | |||||||||
| Okushaba | Okutabura sementi, nikutunguura okusheesheka | |||||||||
Orupapura rw'okurinda omutindo
| EBINTU BY AMAGUZI | SNF-A | SNF-B | SNF-C | ||||
| Ebirimu ebigumire ≥ | 92% | 92% | 92% | ||||
| Omuhendo gwa PH | 7-9. | 7-9. | 7-9. | ||||
| Ebirimu kloraidi ≤ | 0.30% | 0.40% | 0.50% | ||||
| Ebirimu Sodium Sulfate ≤ | 5% | 10% | 18% | ||||
| Obutafaari bw'amaizi (mm)≥ | 250 | 240 | 230 | ||||
| Omubaro gw'okukyendeeza amaizi (%) | 26 | 25 | 23 |
Omubugufu
Ebirungo ebirikukyendeeza amaizi n’ebintu bikuru omu tekinologiya ya konkiriiti ey’obunaku obu. Tibirikwongyera aha kukora kwa sementi kwonka nibishagika n’okwombeka kw’ebishaka n’entunguuka etarikuhwaho. Ahabw’okutunguuka kwa tekinologiya okurikugumizamu, amatsiko g’okukoresa ebirungo ebirikukyendeeza amaizi nigaija kuba maingi munonga.