Urea phosphate ua raws li cov nplaim hluav taws kub nyhiab los ntawm nws lub peev xwm tso tawm phosphoric acid thiab ammonia gases thaum raug tshav kub lossis nplaim taws. Cov pa roj no cuam tshuam nrog cov txheej txheem combustion thiab txo cov nplaim taws ntawm cov khoom. Ntawm no yog li cas urea phosphate ua haujlwm raws li cov nplaim hluav taws kub:
1. Tsim cov txheej txheem tiv thaiv:Thaum cov khoom kho nrog urea phosphate raug tshav kub lossis nplaim taws, cov khoom sib xyaw pib decompose. Qhov no decomposition tso tawm phosphoric acid (H₃PO₄) thiab ammonia (NH₃) gases. Cov pa roj no tsim cov txheej txheem tiv thaiv saum npoo ntawm cov khoom.
2. Dilution ntawm Combustible Gases:Phosphoric acid thiab ammonia gases dilute lub concentration ntawm combustible gases, xws li oxygen thiab volatile organic compounds (VOCs), uas yog tsim nyog rau cov txheej txheem combustion. Qhov kev txo qis ntawm qhov muaj cov pa roj no inhibits kev sib kis ntawm hluav taws.
3. Tsim ntawm Char Barrier:Raws li cov khoom decomposes thiab phosphoric acid raug tso tawm, nws reacts nrog cov ntaub ntawv nto los ua ib tug charred barrier. Cov txheej char no ua raws li cov ntaub thaiv npog, tiv thaiv kev hloov pauv ntawm cov nplaim taws mus rau cov khoom siv hauv qab. Cov txheej txheem no slows down qhov kub nce thiab combustion ntxiv.
4. Cov nyhuv Catalytic:Phosphoric acid thiab ammonia gases kuj muaj cov nyhuv catalytic rau cov decomposition ntawm cov khoom volatile Cheebtsam. Cov nyhuv no sib tw nrog cov tshuaj tiv thaiv combustion ib txwm, cuam tshuam cov saw hlau cuam tshuam uas txhawb nqa hluav taws.
5. Nplaim txias:Qhov endothermic xwm ntawm decomposition tshwm sim, txhais tau tias lawv nqus cua sov, ua rau kom txias ntawm cov khoom thiab nws ib puag ncig. Qhov kev ua kom txias no pab txo qhov kev siv ntawm cov nplaim taws.
6. Txo cov nplaim taws:Kev tso tawm cov pa roj ammonia tuaj yeem pab txo qhov concentration ntawm cov hluav taws kub nyhiab hauv qhov chaw nyob ib puag ncig, yog li txo qis tag nrho combustibility ntawm ib puag ncig.
Zuag qhia tag nrho, kev sib xyaw ua ke ntawm cov txheej txheem no - tsim cov txheej tiv thaiv, dilution ntawm combustible gases, tsim ntawm char barrier, catalytic teebmeem, thiab nplaim taws txias - ua hauj lwm ua ke los ua urea phosphate ib tug zoo nplaim retardant. Nws cuam tshuam cov txheej txheem combustion thiab ua kom qeeb ntawm kev sib kis ntawm cov nplaim taws, thaum kawg ua rau muaj kev nyab xeeb ntawm hluav taws los ntawm kev muab sijhawm ntxiv rau kev tua hluav taws thiab cov txheej txheem khiav tawm.
