I-Gypsum retarder

Ama-retardants e-Gypsum adlala indima ebalulekile embonini yezokwakha kanye nezinto zokwakha, esebenza ukulawula isikhathi sokumiswa kwemikhiqizo eyenziwe nge-gypsum ukuze kuqinisekiswe ukusebenza okungcono nokusetshenziswa. Phakathi kwalezi zinto ezibuyisela emuva, ama-acids ephilayo, usawoti omncibilikayo, ama-phosphates ayisisekelo, namaprotheni yizingxenye ezibalulekile eziphawulwe ngokusebenza kwazo. Ama-asidi e-organic avelele kakhulu asetshenziswa njenge-retarders afaka i-citric acid, i-sodium citrate, i-tartaric acid, i-potassium tartrate, i-acrylic acid, ne-sodium acrylate. Ngaphakathi kwalesi sigaba, i-citric acid kanye nosawoti wayo we-sodium bathole ukunakwa okubalulekile ngenxa yezindawo zabo zokuhlehlisa ezinamandla eziboniswa ngisho nangemithamo emincane. Lokhu kuphumelela okuphezulu kuzuzisa kakhulu izinhlelo zokusebenza ze-gypsum, njengoba kusiza izikhathi ezinde zokusebenza ngenkathi kugcinwa ikhwalithi oyifunayo yomkhiqizo wokugcina. Ngaphezu kwama-organic acid, ama-phosphate retarders afana ne-sodium hexametaphosphate ne-sodium polyphosphate asetshenziswa kabanzi. Lezi zinhlanganisela zibalulekile ekudaleni imikhiqizo ye-gypsum, okuhlanganisa i-gypsum eboshiwe, i-gypsum putty, nezinye izinto ezihilelekile ekukhiqizeni izinto zokwakha ze-gypsum. Umsebenzi oyinhloko walawa ma-phosphate retarders uwukubambezela inqubo ye-condensation ye-gypsum, okuvumela ukulawula okuthuthukisiwe phakathi nezigaba zokuxutshwa nokusetshenziswa. Ngokuhlanganisa ngobuchule lezi zinto ezingasebenzi, abakhiqizi bangakwazi ukuthuthukisa ukusebenza kahle kwemikhiqizo ye-gypsum, ngaleyo ndlela bathuthukise ukusebenza kahle ezindaweni zokwakha futhi baqinisekise ukuthi izakhiwo ezifiselekayo ziyafinyelelwa. Isidingo sama-retardants athembekile futhi asebenzayo siye sabangela ucwaningo olunzulu kule ndawo, ikakhulukazi egxile ezindleleni zokusebenzisana zalezi zinto ne-gypsum. Okutholakele kusikisela ukuthi ukwakheka kwamangqamuzana ababuyisela emuva kudlala indima ebalulekile ekusebenzeni kwabo kahle, okuholela ekwenziweni okusha okuqhubekayo ukuze kwandiswe izinzuzo zabo. Njengoba imboni yezokwakha iqhubeka nokuvela, isidingo sekhwalithi ephezulu, imikhiqizo ye-gypsum ehlala njalo ihlala njalo. Ngakho-ke, ukuthuthukiswa kanye nokusetshenziswa kwama-ejenti anciphisa ubungozi kubalulekile ukuze kuhlangatshezwane nezidingo eziqinile zamaphrojekthi wokwakha wesimanje. Ukwengeza, idizayini eqaphela imvelo yalezi zinto iyacutshungulwa, okwenza abacwaningi bahlole izinketho ezisimeme kanye nezindlela ezibolayo ezingaboli kwezinye izinto ezingezona ezejwayelekile. Ibhalansi phakathi kokusebenza kahle nomthelela kwezemvelo ibalulekile njengoba abakhiqizi behlose ukuhlinzeka ngezixazululo ze-gypsum ezisebenza kahle ezihambisana nezinjongo zokusimama kwemboni. Sekukonke, ukusetshenziswa kwe-gypsum retardants, ikakhulukazi ama-organic acid, usawoti oncibilikayo, nama-phosphates, kuyisici esibalulekile semikhiqizo yokwakha ye-gypsum ethuthukisa ukusebenziseka kwayo. Ngokusebenzisa izinhlobonhlobo zama-ejenti ahlehlisayo, abakhi bangaqinisekisa izinqubo zohlelo ezisebenzayo futhi bavikele ubuqotho nokuphila isikhathi eside kwezakhiwo. Intuthuko eqhubekayo ocwaningweni lwe-gypsum retardation ayigcini nje ngokuthuthukisa ukusebenza komkhiqizo kodwa futhi ifaka isandla endleleni esimeme embonini yezokwakha, okuholela emiphumeleni engcono kokubili mayelana nokusebenza kanye nesibopho semvelo. Sengiphetha, ukuqonda izinhlobo ezahlukene ze-gypsum retardants ezisetshenziswayo njengamanje kubalulekile kubabambe iqhaza emkhakheni wezokwakha, njengoba kubanikeza amandla okukhetha izithasiselo ezifanele ezifeza imiphumela efiselekayo kuyilapho bebambelela emikhubeni eqhubekayo. Lolu lwazi luthuthukisa umkhakha wezinto zokwakha, luqinisekisa ukuthi ikusasa lokukhiqizwa kwe-gypsum libonakala ngokusungula izinto ezintsha, ukusebenza kahle, nokunaka imvelo.