Thong tin khoa hpc cong nghe m o KET QUA U'NG DUNG CONG NGHE TUYEN THAN mdi tri^cfng tai mot so' m o t h a n This paper introduces some results from the application of the dry coal separation technology for increasing coal quality at Khanh Hoa and Hon Gai coal companies and Trang Khe area ^ ^ ^ ^ i e n nay, d Viet Nam, < ^ t / c d n g nghe tuyen than mdi tru'dng khf di/dc ap dung d Cdng ty than Khanh Hoa, thupc Cdng ty Cdng nghiep Md Viet Bac - Thai Nguyen, Cdng ty than Hdn Gai va khu VL/C Trang Khe Cdng ty TNIHH MTV than Udng Bf Cac day chuyen cdng nghe deu sCf dung thiet bj tuyen than mdi tru'dng khf (ban dai khQ I Ket qua umg dung cong nghe tuyen than bang ban dai tai md than Khanh Hoa Sd dd cong nghe Titan nguy&n ThS N G U Y I N HUTU NHAN VA NNK Vien Khoa hpc Cdng nghe Md - TKV Cdng ty than Khanh Hda la mpt md than Id thien cd dieu kien dja chat rat phiifc tap vdi via than bj xen ke nhieu Idp da va set than Viec xuc Ipc bang may xuc va sang tuyen than theo cdng nghe thdng thi/dng khdng the cho cac san pham than cd chat lifpng cao theo yeu cau De nang cao pham cap than, Cdng ty than Khanh Hda da nghien cifu ap dung cdng nghe tuyen than khd cua Trung Qudc va da dau tu cdng trinh vdi cdng sua't than vao tuyen la 200.000 tan/nam, tu'dng du'dng 50 tan/h Sd 66 mdi ty Khanh hinh thie't bj tuyen than trifdng khf tai Cdng Hoa difdc trinh bay Ket qua tuyen than Khanh Hoa mlu Ke't qua tuyen cac loai than nguyen khai cOa Cdng ty than Khanh Hoa dUpc the hien tren bang Nhan xet: - Than vao tuyen la than cd nhieu da kep, cac Idp than via cd chieu day < 1m, dp am tif 7,5% tdi 8% Than dU'dc khai thac khdng chpn Ipc Cd hat than vao tuyen < 80mm khai •TJ- M2 , ; - ff / : M 64 i S3 &^- „ niari^tr'ung gian Bang tai cap lieu BI May cap lieu Bang tai than sach B2 Bang tai than trung gian B3 Bang tai da B4 M1 Cyclone dust collector M5 May tuyen FGX M2 May nghien MS 10 May hilt M6 11 May thdi M7 Bag dust collector 12 Tack M8 13 Dust collector M9 M4 Hinh Soddday chuyen thiet bj tuydn than mdi trudng khf tai khdnh Hda KHCNM S6 1+2/2010* CN TUY^N, CH^ Bif N KHOANG SAN Thong tin khoa hpc cong nghe md Bang Kdi qua tuydh mau than Khdnh Hod tren he thdng tuyen TT Ten san pham Than NK cdm Than NK cam Than NK cam Than NK cam A" (%) TH (%) A" (%) TH (%) A" (%) TH (%) A" r%) TH (%) Than vao tuyen 100,00 29.61 100,00 35,52 100.00 42.40 100.00 55.62 Than sach Trung gian Oa thai 72,39 9,09 18,52 17.2 57.02 64.65 72,60 9,50 17,90 23,8 58,51 70,84 72.99 9.00 18.01 34.5 57.2 67.02 39.01 10.50 50.49 41.8 58.5 65.7 - Khi tuyen cac m l u than nguyen khai cam 4, than nguyen khai cam 5, than nguyen khai cam va than nguyen khai cam cua md than Khanh Hoa tren he thd'ng tuyen than khd kieu phifc hpp, dp tro than sach deu giam dupe tif 10 den 14% so vdi than vao tuyen va thu hoach than sach dat tren 72%, trif mau than cam thu hoach than sach chi dat gan 40% - San pham trung gian vdi thu hoach khoang 9% - 10% va dp tro dao ddng tif 57% 58% Da thai cd thu hoach khoang 17% - 18% vdi dd tro tif 65% - 70% va Id thien Do dieu kien dja chat khoang sang phifc tap, via mdng, chat li/png xau cd nhieu Idp kep nen than khai thac vdi chat li/png tha'p mac du Cdng ty da ap dung nhieu bien phap nhi/ khai thac chpn Ipc, loai bd da to de nang cao chat li/dng than Diia tren kinh nghiem ap dung he thdng tuyen than bang ban dai tai Cdng ty than Khanh Hoa, Cdng ty than Hdn Gai da ket hpp ciing Cdng ty Cd phan Cd khf Viet Bac thiet ke, lap dat mdt day chuyen tuyen khf vdi cdng sua't than vao tuyen la II Ket qua umg dung cong nghe tuyen khf tai cong ty than Hon Gai Sd cong nghe Cdng ty than Hdn Gai la mdt ddn vj vien cua Tap doan Cdng nghiep Than Khoang san Viet Nam vdi nhiem vu khai thac va gia cdng che bien tieu thu than theo tieu chuan Viet Nam va tieu chuan cua Tap doan Than nguyen khai di/pc khai thac til hai ngudn ham Id Than nguyen khai chat luong tha'p i Sang khe ludi 80 mm +80 -80 Da thai qud cd r "T Loc bui tui Ban dai khf t i Than sach Trung gian Da thai Than sach IViay hut IVIay thoi kht chinh Xoay Ide khu bui Khi thai