Umgaqo
Irhasi yenkunkuma ye-NMP ekhutshiweyo kwi-coater ifikelela kwisixhobo sebhokisi yokucoca ngombhobho wokukhupha ukucocwa nokucocwa, kwaye emva koko ithunyelwe kwisixhobo sokubuyisela ubushushu benkunkuma kwaye emva koko kwisixhobo somkhosi sokupholisa kunye nokujiya. Uninzi lwe-NMP kwirhasi eyinkunkuma inokucuthwa kwaye ingene kwinkqubo yolwelo olulahlwayo, kwaye ukuxinana kwe-NMP kwirhasi yenkunkuma ecuthiweyo kucuthwe ukuya ngaphantsi kwe-300ppm.
I-90 ~ 95% yegesi yenkunkuma yobushushu obuphantsi emva kokuba i-condensation ithunyelwe kwisixhobo sokubuyisela ubushushu benkunkuma, apho itshintshiselana nobushushu kunye negesi yenkunkuma yobushushu obuphezulu ekhutshwe ngumatshini wokugquma, kwaye igesi yenkunkuma enobushushu obuphantsi ifudunyezwa ukuhlangabezana nemfuneko yomoya obuyayo kwaye ubuyiselwe kumatshini wokugquma, ngaloo ndlela uqonda ngokupheleleyo ukubuyiswa kwamandla obushushu kunye nokugcina ukusetyenziswa kwamandla okufudumeza okufunwa ngumatshini wokugquma.
I-VOCS i-zeolite i-molecular sieve imbaleki yohlulwe ibe yindawo yonyango ye-adsorption, indawo yokupholisa kunye ne-desorption zone, kwaye iqhutywa yimoto, eyenza ukuba imbaleki ijikeleze kancinci, ibhengeze ngokuqhubekayo kwaye ihlaziye, kwaye iphinda isebenzise igesi yomsila. I-5 ~ 10% yegesi yenkunkuma ejikisiweyo ixutywe nomoya wobushushu obuphezulu kwindawo yokulahla kwaye ingena kwicandelo lokupholisa umphezulu wembaleki, apho ipholiswa khona kwaye ixinaniswe, kwaye uninzi lwe-NMP lunokukhutshelwa ngaphandle kwaye lungene kwinkqubo yolwelo olulahlwayo. . Emva koko ithunyelwa kwindawo yonyango ye-adsorption, kwaye umoya ohambelana nomgangatho emva kokubhengezwa unokuphelelwa ngaphandle ngaphandle kwefeni.
Ukongezelela, umlinganiselo omncinci womoya ofanelekileyo uhlaziywa ngokutsha ukutshintshwa kobushushu kwindawo yokupholisa, ukwenzela ukuba umoya ufudumale kwaye umgijimi upholile. Umoya oshushu ufudunyezwa sisixhobo sokufudumeza (ukufudumeza komphunga okanye ukufudumeza kombane okanye ukufudumeza ubushushu be-oyile), kwaye ke i-NMP kwimbaleki i-zeolite idilizwe kwindawo yokulahla, kunye nomoya wobushushu obuphezulu obuqulathe i-NMP kwindawo ye-desorption. ithunyelwe kwicandelo lokupholisa umphezulu wembaleki. Yonke inkqubo yembaleki isebenzisa ngokupheleleyo ukuphinda isetyenziswe amandla obushushu kwaye igcina ukusetyenziswa kwamandla okufudumeza okufunwa ngumatshini wokugquma.