NGHIEN CCrU-TRAO D I NGHIEN CUU LUA CHON THIiT KE MO HINH THiiT B\ KHUAY TRON DUNG DjCH B | TRON TUdl NGUOl CALTEXAQUATEX3180 RESEARCH SELECTION DESIGN THE AGITATOR MODEL FOR CALTEX AQUATEX 3180 CUTTING OIL Do Thi Tam', Nguyin Hoang QuSn' •Tnicmg Dai hoc Ky thuat Cong nghiep ^Cong ty TNHH MTV Co Hoa chit 13 TOM T A T Hien ngy nhieu ca sd sdn xuat ca co nhu cdu sir dung mdy khuay dung dich ddu tra nguoi Caltex Aquatex 3180 Tren thi trudng co bdn cdc thiit bi khudy tron dung dich nhung v thdnh cao, ket cdu, tinh ndng vd thong so cong nghe co sdn vd bi mat nen khong phii hap vdi kien sdn xudt neng cua don vi Viec lua chon che tgo mot thiet bi khudy iron theo cdc tieu ch phii hap dieu kien sdn xudt rieng biet se giup cdc dem vt sdn xudt chii dong lua chon thiet ke mdy, gidm ddng ke ve gid thdnh nhdp mdy vd gia cdng sdn xudt Tir khoa: Mdy khudy tron dung dich; Ddu Caltex Aquatex 3180 At present, many mechanical manufacturing facilities require the use of the Caltex Aqu 3180 cold water dispenser In the market there are solder solutions but with high cost, struc features and Available technology parameters and confidentiality should not be appropriate f unit's own production conditions The selection of an agitator according to the standards s for the specific production conditions will help the production units to actively choose the de the machine, significantly reducing the cost of machine entry and production, export Keywords: Mixer, Caltex Aquatex 3180 ISSN 0866-7056 TAP CHi CO KHf VIET NAM, S6 +2 nam 2019 www.cokhivietnam.vn NGHIEN CLTU-TRAO D O I TONG QUAN NGHIEN ClTU 1.1 Gim thieu Trdn dugc hieu la bit ky hoat ddng su dung de thay ddi mdt he thdng khdng ddng nhSt he thdng ddng nhat Mgt lupng vat chSt cd the dugc gpi la ddng nhat khdi lugng cac phan la cd dinh toan bd he thdng trdn [19] Cdng nghe khuSy trgn chit Idng-ldng dugc chia dang: "raiscible Uquid-Hquid mixing" va "immiscible liquid-liquid mixing" [22], [11] Nhung hien tugng rat phiic tap va la mdt nhung qua trinh khd khan nhat mdt sd nganh cdng nghiep Nghien ciiu tren the gidi ve may trdn da cd tir hon mia thap ky, cac cdng ty ve thiet bi khuay ndi tieng nhu Mixtec Philadelpia, cdng ty Bamamt da gidi thieu rat nhieu san pham may trdn da dang vai nhieu ddng san pham cho cac linh vuc khac nhau, cac thiet ke co ban ciing dira tren cac ket qua nghien ciiu ve may khuay trdn long - ldng, ddng thdi cd nhiing thdng tin khac biet ve thiet ke may dua vao cac ket qua nghien ciiu chuyen biet cho nhimg muc dich, vat lieu va dieu kien khuay trdn khac Ci Viet Nam, da cd nhiing nghien ciiu ve may trdn, nhung van dang tap trung cho ITnh vuc cdng nghe trdn chat ran ITnh vuc cdng nghiep xay dung, cdng nghe che bien thiic an chan nudi, nghien ciiru ve trdn chat ldng - ldng ITnh vuc hda chat hien cdn dang bd ngd [1], [3], [4], [5], [7], [8] Cac thidt ki, van hanh dang su dung phan ldn cac phdng thi nghiem tai cac tnrdng dai hpc hoac vien nghien cuu ma chua cd cdng bd ap dung cu the vao thuc te Cdng ty TNHH MTV Ca Hda ch4t 13 va nhieu ca sd san xuat khac cd nhu cau su dung may khuay dung dich dau tran ngudi Caltex Aquatex 3180 Hien nay, tren thj trudng cd ban cac thigt bi khuay trdn nhung vdi gia cao, kk cau, tinh nang va thdng sd cdng nghe cd sin va bi mat nen khdng phii hgp vdi didu kien san xuat rieng cua dan vi Viec che tao mpt thidt bi khuay trdn theo cac tieu chuan phii hop se giiip chu ddng ve ket cau, nang suat, thidt lap thdng sd cdng nghe va giam dang ke ve gia 1.2 May khu% tron dung dich: Theo nghien ciiu ciia Reza Afshar Ghotli [21], khuay trdn dung dich cd the chia cac dang khuay: Khuay trdn ca (xoay, rung); Khuay trdn thuy lire; Khuay trdn nen; Khuay trdn dudng dng (ddng chay hdn loan, may trdn tinh) Trong sd cac loai may khuay, may khuay co dugc sii dung rgng rai han ca vi cd the dieu chinh tdc dp khuay theo y mudn, thdi gian khuay ngan, dung tich be nhd va de che tao, dd bai bao tap gidi han ITnh vuc nghien ciiu, trung nghien cmi ve may khuay trdn ca 1.3 Dac diem dung dich tron nguoi Caltex Aquatex 3180 Dung dich la dau pha da dung dugc san xuat tir dau gdc dac biet, tac nhan lien ket va cac chat nhu hoa d muc cao tao mdt he nhu rat ben ca vdi nude tuang ddi ciing va d ndng dp dung dich cao U'ng dung dung dich tron ngudi Caltex Aquatex 3180 • Cac cdng doan gia cdng nhe rihu khoan, bao, phay, cua va tien tren cac loai thep cac - bon va thep hgp kim khac tu mdm'^ ISSN 0866 - 7056 TAP CHi CO KHi VIET NAIVI, Sd 1+2 nam 2019 www.cokhivietnam.vn NGHIEN c i i u - T R A O l den viia, dac biet sir dimg mui cat cac - bit • Dugc chi dinh sir dung cho cac cdng doan mai ma thudng can cd mdt dung dich nhii rat sach de lang nhanh cac mat kim loai NGHIEN C U T J , PHAN T I C H VA LU^A CHON MAY KHUAY TRON trpng trudng; Po: He sd cdng suat dac trung cho cong suat khuay trdn; P: Cdng suat khuay trdn, kw; N: Tdc dp quay cua ddng ca, s'; d: Dudng kinh cua canh khuSy, mm; g: Gia tdc trpng trudng, m/s^; p: Khdi lugng rieng ciia dung dich, kg/m'; \i: Dp nhdt ddng lyc, mPa.s (est) 2,1 Dac tinh cua qua trinh khuay tron Che ddng hpc khuay - trdn: De CO cau khuay cd the quay d tdc dp mong mudn, ta can cung cap nang lugng de khac phuc cac trd luc cua dung dich Cac nghien ciiu ly thuyet cung nhu thyc nghiem cho thay cdng suat cung cap cho co cku khuiy phu thupc chu yeu vao: Che dp chay ciia nguyen lieu thi^t bi khuiy - trdn dugc chia ba miin tuong ling vdi gia tri cua chuin sd Reynold - Chay theo ddng: < R^^ < 10; - Chay qua dp; 10 < R^^ < 10^; - Chay xoay rdi: 103