Thong tin khoa hpc cong nghe m o / Sir CAN THIET DAU TIT KHAI THAC CAC MO QUANG DONG t a i t i n h Lao Cai thupc T a p doan T K V quan l y Vietnam National Coal - Ivlinerai Industries Holding Corporation Limited is a key unit in coal and other minerals mining and processing The exploration and orientation for the copper ore mining and processing in Lao Cai province basing on the evaluation of tfie mine geological and technical conditions, Its resource advantages, labor potentiality for developing the local economy as well as the coal and mineral sector IS considered as an essential task The paper introduces the development of the copper ore mining and processing industry In Lao Cai province by Vietnam National Coal - Mineral Industnes Holding Corporation Limited Dong la nguyen lieu quan trpng viec xay dung va phat triln nIn kinh t l quoc dan Khoa hoc ky thu|t cang phat tnln thi gia tri sir dung cua d6ng cang tang Tren thi trudng, dong la loai kim ioai dugc tieu thu dirng thir sau thep va nhom Do tinh d i n dien, d i n nhiet tot, dp ben kha cao nen dong va hgp kim dong du'gc sir dung rong rai lam day din dipn trpng cac thiet bj dien cong nghiep va dan dung Ngoai ra, ding va hgp kim dong du'gc sir dung nhieu che tao may, xay dung, san xuit dien circ CSc hgp chit dong nhu dong oxit, dong sunfat, dong oxyciorua cung dugc sir dung rpng rai cac ITnh vu'c nhu nong nghiep, dong tau, bao quangl Nhu cau v l ding tren the gidi cung nhu a Viit Nam cang tang Tren toan the gidi, nhu c i u tieu thy dong tang tir 16,6 trieu t i n (nam 2005) len 18,2 trieu tan nam 2009 Viet Nam, nhu cau tieu thg ding cung tang r i t nhanh tir 54.000 tin nam 2005 len 102.000 t i n nam 2009; dy bao nam 2015 nhu eau tieu thu ding kim loai la 120.000 tan va d i n nam 2025 se len tdi « 200.000 tin TS LU'U VAN THU'C ThS VCl CHAU TUAN KS VO DlNH TRU'ONG Viin Khoa hoc Cdng ngh$ Md-Vlnacomin ThS t e T U A N N G O C Tdng Cdng ty Khoing sin - Vinacomin Biin t$p: TS Lwu VSn T/i(«; dugc 1,24 tripu t i n Hipn nay, t l hgp khai thcic tuyen ding tai khu vue mo ding Sin Quyln, huypn Bat XSt, tinh L4o Cai m i i nSm s i n xuit khoang 40.000 t i n quang ding (hSm iugng 23%) cung elp tinh quang cho N h i rniy iuy^n dong Tang Loong d l san xuat khoang 10.000 t i n ding kim lopi Tap doan C6ng nghipp Than - KhpSng s5n Vipt Nam dugc Chinh phu giao dam nhlin vai trb n6ng cot vipc khai thSc, c h i biln than vi cac loai khoang san n l i chung VipcthSm d l vi djnh hu'dng c6ng tac khai thac, c h i biln quang ding tai tmh Lao Cai tren eg sd dinh g\i dilu kien dia chit - ky thuat mo, Igi t h i v l t a nguyen, phat huy npi luc nham phuc vy nhu c i u cua nIn kinh t l , phyc vy phSt triln b i n vifng nginh Than - Khpang san ndi rieng va c i c nginh cing nghipp cua d i t nudc nei chung i i h i t sire cin thiet Sanh gia tinh hinh phan bd, trir lu'p'ng v i c h i t lu'p'ng qu^ng d&ng t^ii m$t s l mo trSn dja b i n tinh Lao Cai a Mo quang dong Sin Quyin IVIo dong Sin Quyln n i m a hti'u ngan sing nudc ta eac mo va dilm quang dong chinh Hing, each TP L i o Cai khoang 25km v l phia Tay Bac, co t h i tilp can vting ty khoing niy da duoc tim kiem va phat hien tai khu vuc la dai tu khoang bd tay song Hong giOa bien gidi bing c i dudng s i t v i dygng dtp tir H i N|i din Viet Nam va Trung Quoc tren «a ban tinh Lao Lio Cai, sau di theo dydng tinh 10 Bit Xit Cai; vung tu khoang song Da va tu khoang phia Trinh Tydng V i o mOa mya, nydc sing ISn Tay dong bang Blc Bo Tong trCr lugng va tSi cao, CO the van chuyin quang tir m l theo dudng nguyen dy bao khoang tren tripu t i n dong kim thuy tren song Hing Bia hinh khu mo l i c i c day loai, da tham va danh gia trii' lugng nOi cao, phia T i y Nam vung mo l i vting niii vdi KllCMVI so 12/2014 • CNKT LO THIEN Thong tin khoa hpc cong nghe mo cao tu- mu-c +800 -^ +3000 m Dien tich khu vyc phan bo cac than quang khoang 150 ha, tru" lu'ong phan bo tap trung ti> miJc +100 ^ -120m thuan tien cho cong tac khai thac bang phu'ong phap lo thien IV16 n^m xa khu dan cu', nen it anh hu'ong toi moi tru'ong sinh thai, d i t dai nong nghiep Khu mo Sin Quyen du'oc danh gia la vung quang h5n hop gom ba loai phin chinh la: bng, dat hi§m va vang, quang d6ng chu y§u la dang sunfua (chalcopyrit) Khu mo da du-oc phat hien tim kiem va tham tu-nhij-ng nam 1961 -^ 1973 vol trCJ' lu'ong 52,7 trieu t i n quang dong cap B+C1+C2, ham lu'ong trung binh khoang 1,03%, tu'ong du'ong voi 551,2 ngan t i n Cu ya co cac khoang san cong sinh di kem nhu-: vang, bac, lu'u huynh, d i t hiem v,v Trong khu vyc khu mo Sin Quyen phat hien du'oc 17 than quang, nhi§n, chi co than quang co gia tri cong nghiep va du'oc du'a vao thiet ke khai thac Cac than quang co goc doc trung binh 82o Nam 2007, Tong Cong ty Khoang san da tien hanh tham bo sung, ket qua tham do, chuyen doi tru' lu'ong du'oc Hoi dong trl> lu'ong Quoc gia phe duyet nam 2009 Tri> lu'ong lai tinh den 31/12/2012 la 10,8 trieu tan quang dong cap 111+122, ham lu'ong trung binh 1,23% va 45 trieu t i n tai nguyen quang d6ng d p 222+333, ham lu'ong taing binh 0,82% [1] (bang 1) b Mo quang dong Vi Kem Vung mo Vi Kem thuOc dia phan xa C6c My, huyen Bat Xat, tfnh Lao Cai, each Lao Cai khoang 30km v^ phia Tay Bac, du'oc Tong Cong ty Khoang san - Vinacomin quan ly, bao ve tham khai thac Mo Vi Kem nam li§n ke vol mo Sin Quyen Oja hinh khu mo g6m cac d6i nui cao voi cao tuyet doi ti> 100 ^ 350m, co phu'ong keo dai Tay Bac - Dong Nam, syon doc nghieng ve phia Dong Blc Cac su-on nui deu doc, dja hinh bj phan c i t manh Dien tfch khu vyc phan bo cac than quang khoang 50ha, tru' lyong phan bo tap trung tCr mCrc +100 + -87m thuan tien cho cong tac khai thac bing phu'ong phap h i m 16, it anh hu'ong toi moi tru'dng, d i t dai nong nghiep Tu- nam 2006, T6ng Cong ty Khoang san Vinacomin da tham khu Vi Kem va da phat hien, khoanh noi dyoc 18 than quang, Khio sat thiit ki md ddng Vi Kim huyen Bit Xit tinh Lio Cai CO than quang co gia tri cong nghiep Cac than quang phan bo g i n song song voi voi goc d6ctu'6a°+80° Nam 2011, Bao cao tham b6 sung da du'oc Hoi dong danh gia tru' lu'ong khoang san phe duyet voi tru' lu'ong 5,15 tneu t i n quang dong d p 121+122, ham loong trung binh dat 0,76%, tu-ang du'ong 39.104 t i n Cu kim loai, do, co cac khoang san cong sinh di kem nho: vang, bac, sat, lu'u huynh, v.v Ngoai ra, khu mo xac djnh du'oc 6,3 trieu t i n tai nguyen quang dong d p 222+333, ham lu'ong trung binh 0,59%» tu'ong du'ong voi 37.000 tan l3,5m (hinh 3) va HTKT buing luu quang khoan n l thu cong bang cac 16 khoan dudng kinh nho (hinh 4) Van tai quang d cae buong khai thac bang hinh thuc ty chay qua eae eua thao quang; van tai quang d thuong cot khai thae bang mang truot qua cda thao; v^n tai quang d cac 16 dgc via trung gian bang xe goong d i y tay; van tai quang tai 16 dgc via, xuyen vfa van tai chinh bang t l u dign I c quy t i n , xe go6ng 1m^ Quing khai thac 16 cho sau chat tai len xe goong m^ tai 16 doc via van tai chinh -50, duoc dau tau dien I c quy t i n keo den dd tai tai s§n ga chan gilng -50 vao bunke chan gieng nghieng, qua may dap ham dam bao co hat sau dap dam bao kich thudc Idn nhit < 200mm trude duoc chit tai vao bang tai gieng nghieng va duoc van tai len mat bang san cong nghiep +160 Toan bg quang nguyen khai cua mo Vi Kem se duoc van chuyen d i n eung d p eho Nha may tuyen Sin Quyln so (cong suit 1,1 -^ 1,3trieu tIn/nam) suit mo ding Sin Quyen, dau tu mdi mo dong Ta Phdi va mo Vi Kem co higu qua kinh te cao Trong nhung nam tdi eac mo se tao cum cong nghiep khai thac quang ding c6 san luong Idn nhit nudc ta Cac mo tren se cung elp nguyen lieu I n dinh cho Nha may luyen dong Tang Loong va mgt nha may luyen dorig khac duoc d i u tu xay dyng tai Bat Xat vdi cong suit nha may la 30.000 tan ding kim loai/nam Oe tan thu toi da tai nguyen, dap ung nhu d u nang eong suit va phat then ben vung, thdi gian tdi, cac Cong ty can diu tu tham b l sung nang d p trd luong cac khli tai nguyen d p 222+333 (58 trieu tan) d l dua vao quy hoach khai thac Vdi chiln luoc nhu tren khong nhung gop phin dang k l vao sy phat triln b i n vung eua Tap doan TKV noi chung va Ting Cong ty Khoang san-Vinacomin, Cong ty C l phin dong Ta Phdi noi rieng nhung nam tdi, ma tao dgng Iyc manh me cho su phat triln cua nganh eong nghiep khai khoang tren dja ban tinh Lao Cai gop phin vao sy phat triln kinh te, an sinh xa hgi cua tmh Tai lieu tham khao: Bao cao chuyin doi d p tru luong, d p tai nguyen mo dong Sin Q u y l n - Lao Cai, Cong ty c l phan tin hoe, moi trudng-Vinacomin (2009), Ha Ngi Bao cao tham b l sung quang dong va khoang san di kem viing Vi Kem, xa Cic My, huyen Bat Xat, tinh Lao Cai, Cong ty TNHH MTV Dia chat Viet Bac-Vinacomin (2011), Ha Noi Cac cong trinh xay dyng trdn mat bang mo Bao eao tham d6 quang ding viJng Ta duoe diu tu xay dyng mdi ding bg dap dng yeu d u san xuat, phu hop vdi day chuyen cong Phdi, p h i Lao Cai, tinh Lao Cai, Cong ty TNHH MTVDia chit Viet Bac-Vinacomin (2013), ngh§ va cong suit thiet ke 350.000 tIn/nam Ha Noi Mo ham 16 Vi Kem se duoc d i u tu ding bg, Dy an dau tu xay dyng eong trinh dilu ap dung ccng nghg khai thac tien tiln, mo di vao hoat dong se tao tien de phat trien ben vung chinh khai thac md rong va nang eong suit khu va xay dyng cac mo h i m 16 khai thac khoang mo- tuyin ding Sin Quyen, Lao Cai, Vien Khoa san khac tuong lai cua T i n g Cong ty hgc Cong nghe Mo - Vinacomin (2012), Ha Noi Dy an dau tu xay dyng cong trinh khai thac khoang san-Vinacomin mo ding Vi Kem, Bat Xat, Lao Cai, Vien Khoa K i t Iuan Can ed vao dieu kien dja chit, dja hinh, try hoc Cong nghe M6-Vinacomin (2013), Ha Noi6 Dy an dau tu xay dung cong trinh khai thac luong cua cac mo quang dong vung Lao Cai thugc Tap doan Cong nghigp Than - Khoang san mo dong Ta Phdi, Vien Khoa hpe Cong nghe M6-Vinacomin (2013), Ha Ngi Viet Nam quan ly cho thay viec dau tu nang cong KHCNM S 12/2014 * CNKT LO THIEN ... ke khai thac, chf co tai nguyen d p 222 duoc huy dgng vao khai thac, hon 30 trieu t i n tai nguyen d p 333 chua huy dpng khai thac Vi vay, d l tgn thu tai nguyen, tang tu6i thg mo, qua trinh khai. .. tin khoa hoc cong nghe mo Cong tac chuin bi khai trudng va HTKT duoc thyc hien phu hop vdi so khai thong Khai trudng cua mo duoc chuin bi theo tang khai thac va ting duoc chia cac phan tang Tai... phan xa C6c My, huyen Bat Xat, tfnh Lao Cai, each Lao Cai khoang 30km v^ phia Tay Bac, du''oc Tong Cong ty Khoang san - Vinacomin quan ly, bao ve tham khai thac Mo Vi Kem nam li§n ke vol mo Sin