Nyob rau hauv zus tau tej cov potash chiv nyob rau theem ntawm nias, crushing thiab ziab, ib tug loj npaum li cas ntawm hmoov av yog tsim, uas yog hu ua cyclone. Qhov no cuam tshuam rau cov neeg siv khoom yam ntxwv ntawm cov khoom tiav. Txhawm rau daws qhov teeb meem no, cov kws tshawb fawb ntawm Perm Polytechnic University tau npaj ib txoj hauv kev rau kev pov tseg thiab ua cov hmoov av poov tshuaj chloride los ntawm granulation. university press office. Txoj kev no yuav txhim kho qhov zoo ntawm cov chiv thiab txo cov nqi tsim khoom.
Cov kws tshawb fawb tshawb fawb tau luam tawm Hauv phau ntawv xov xwm “Xov xwm ntawm tsev kawm ntawv qib siab. Series: chemistry thiab chemical technology, 2022.
Qhov nruab nrab, tus nqi ntawm cyclone plua plav yog 10-20% ntawm kev lag luam poov tshuaj chloride. Nyob rau tib lub sij hawm, nws tsis tu ncua circulates thaum lub sij hawm ntau lawm txheej txheem, nce cov hmoov av cov ntsiab lus nyob rau hauv lub chav tsev. Qhov no ua rau muaj kev nyuaj ntxiv hauv kev ua cov txheej txheem thev naus laus zis thiab ua rau cov neeg ua haujlwm nyuaj rau kev ua haujlwm. Raws li kev daws teeb meem, kev siv tshuab granulation tuaj yeem siv - kev hloov pauv ntawm cov plua plav mus rau hauv cov khoom lag luam loj - siv ntau yam reagents los ua ib daim ntawv khi.
- Kev xaiv cov tshuaj reagents yog ib qho teeb meem nyuaj, vim nws muaj kev cuam tshuam loj rau cov txheej txheem granulation, cov khoom zoo thiab kev lag luam ntawm kev tsim khoom. Rau peb cov kev tshawb fawb, peb siv lignosulfonate (LST), ib yam khoom ntawm cov txheej txheem thev naus laus zis ntawm cellulose. Qhov no reagent yog siv los ua ib tug binder nyob rau hauv lub granulation ntawm chiv, pub additives, lub tsev thiab polymer composite cov ntaub ntawv, - hais tias Maria Cherepanova, Candidate of Technical Sciences, Associate Professor ntawm Department of Chemical Technologies of PNRPU.
Tom qab ua ntau txoj kev sim, cov kws tshawb fawb ntawm Perm Polytechnic University tau soj ntsuam cov txiaj ntsig ntawm qhov kev xav tau thiab kev noj ntawm cov binder ntawm lub zog ntawm cov granules, thiab kuj txiav txim siab lub sij hawm zoo thiab qhov kub thiab txias rau ziab cov khoom granular. Yog li, cov kws tshawb fawb tau txais qhov loj tshaj plaws ntawm cov granules, uas yog 0,7 los ntawm 5 hli, thiab lawv cov naj npawb tshaj 58%.
Cov txiaj ntsig ntawm txoj kev tshawb fawb los ntawm Perm cov kws tshawb fawb yuav pab txo qis cov khoom lag luam tsis zoo thiab ua rau txo qis ntawm cov nqi ntawm kev tsim khoom. Tsis tas li ntawd, cov ntaub ntawv tau txais yuav ua rau kom muaj txiaj ntsig ntawm potash chiv, uas yog ib qho tseem ceeb tshwj xeeb rau kev ua liaj ua teb kev lag luam.