Lub thickener yog ib yam khoom siv rau cov khoom sib cais - kua; Nws lub luag haujlwm tseem ceeb yog txhawm rau kho thiab mloog cov khoom uas tau muab tshem tawm hauv cov ntxhia slurries, dej khib nyiab, lossis lwm cov kua sib tov, yog li ua rau muaj kev siab siab -concentration slurry. Nws txoj kev khiav hauj lwm yog nyob rau hauv cov txheej txheem ntawm gravitational settling thiab solid-kua sib cais. Cov ntxhia slurry los yog ncua kev kawm nkag mus rau hauv lub thickener tank uniformly los ntawm ib tug inlet; Tom qab lub sijhawm pib ntawm quiescence, cov khoom siv maj mam nqis mus rau hauv lub zog ntawm lub ntiajteb txawj nqus los ua ib txheej tuab, thaum cov kua ntshiab ntws tawm los ntawm qhov chaw nres nkoj hla nyob rau sab sauv, yog li ua tiav cov khoom sib cais - kua.
Thickeners feem ntau yog nruab nrog agitators lossis raking mechanisms. Rakes tig maj mam nyob rau hauv qab ntawm lub tank thickener, tsis tu ncua scraping cov khoom thickened - uas tau nyob ntawm lub hauv paus - mus rau qhov chaw nres nkoj tawm, yog li xyuas kom meej lub uniform paug ntawm cov concentrated slurry. Concurrently, tswj qhov tsim nyog nce siab tshaj tawm thiab tswj cov kua theem pab tiv thaiv buoyant hais los ntawm raug cheb mus, yog li pab txhawb lub tso tawm concentration thiab cov cuab yeej ua lub peev xwm. Los ntawm kev kho qhov tsis xws li tus nqi pub, qib kua, thiab rake ceev, cov nyhuv thickening tuaj yeem raug tswj kom tau raws li cov txheej txheem sib txawv.
Thickeners kuj tseem tuaj yeem siv ua ke nrog kev siv tshuaj lom neeg lossis flocculants los txhim kho kev daws teeb meem ntawm cov khoom. Flocculants pab txhawb kev sib sau ua ke ntawm cov khoom raug tshem tawm mus rau hauv cov flocs loj, yog li ua kom cov txheej txheem daws teeb meem thiab txhim kho kev ua haujlwm ntawm cov khoom sib cais - kua. Hauv paus ntsiab lus, lub hauv paus ntsiab lus tseem ceeb ntawm lub thickener yog nyob rau hauv kev sib koom ua ke ntawm gravitational settling thiab mechanical raking kom ua tiav cov concentrated sedimentation ntawm cov khoom nyob rau hauv lub ncua kev kawm ntawv thiab lub simultaneous clarification ntawm cov kua theem, yog li optimizing cov khoom ua efficiency thiab stability ntawm cov txheej txheem ntau lawm.
