Đang tải... (xem toàn văn)
r r Hoi nghi khoa hoc kT thuat md quoc te 2010 Cong nghiep mo tien tien vi su phat trien ben vung NGHIEN CUU KHAI THAC CAC MO SAU VA Tl/ONG LAI CUA BE THAN DONG BANG SONG HONG GS TSKH Le Nhu Hung, Ths[.]
Hoi nghi Cong nghiep r r khoa hoc kT thuat md quoc te 2010 mo tien tien vi su phat trien ben vung NGHIEN CUU KHAI THAC CAC MO SAU VA Tl/ONG LAI CUA BE THAN DONG BANG SONG HONG GS.TSKH Le Nhu Hung, Ths Pham Thanh Hai, Ths N g u y d n Cao K h a i , K S D i n h T h i T h a n h N h a n , T r u o n g D a i hoc M o - D i a chat, H a N d i Ths H o a n g H u n g T h a n g T r u d n g D a i hoc Cong nghiep, Q u a n g N i n h KS Nguyen Van Thinh C o n g ty N a n g l u o n g Song H o n g - T K V Tom tat: Khai thdc mo sau cd nhung dac diem rieng va khd khan han khai thdc a muc nong Bdi bao phan tich cdc dac diem vd trinh bay nhung van de ky thuat khai thdc md sau Ket qua nghien cuu la ca sd de lap ke hoach vd khai thdc cdc md than sau Dua vao su bien dang, dich chuyen be mat, bdi bao ciing xac dinh chieu sau an toan cho khai thdc than ham Id vd hda than cua be than ddng bang song Hdng Du lieu cua bdi bao cd the duac sir dung de lam tdi lieu cho bao cao nghien ciru khd thi khai thdc than d vung Binh Minh - Khodi Chau, lap ke hoach chien lucre bao ve mdi trudng be than ddng bang Song Hdng Dat van de K h a i thac tai n g u y e n khoang san de phat trien k i n h te - xa h o i V i e t N a m dang thdi k y cong nghiep hoa, hien dai hoa dat nude V a n de k h a i thac tai n g u y e n k h o a n g san la rat can thiet va co y nghia cue k y quan K h a i q u a t ve n g a n h c d n g n g h i e p m o V i e t N a m co rat nhieu tai nguyen k h o a n g san D a phat h i e n tren 5.000 m o va cac diem mo v d i hon 60 loai khoang s a n [ l , ] - K h o a n g san nang l u o n g g o m : than antracit v d i t r u l u o n g hang chuc ty tan (Quang Ninh), than nau d d o n g bang Song H o n g v d i t r u l u o n g hang t r a m ty tan, than m d va than bun vdi t r u luong hang tram ty tan U r a n i u m cung da duoc t i m thay D a u va k h i da duoc khai thac, dem l a i n g u o n thu l d n cho dat nude - K h o a n g san k i m loai bao g o m : sat v d i t r u l u o n g k h o a n g ty tan ( M d sat Thach Khe la m d l d n nhat) Cd hang trieu tan quang titan d dai cat ven bien, mangan d Cao Bang, Tuyen Quang, H a G i a n g v d i t r u l u o n g hang chuc trieu tan Cd hang chuc n g h i n tan quang cromit d Thanh Hoa C d vai t r a m n g h i n tan quang thiec d L a m d d n g Q u a n g B d x i t v d i t r u luong hang ty tan dang dugc k h a i thac d Tay N g u y e n Ci day c d rat nhieu quang vang, molyden va a n t i m o n - K h o a n g san p h i k i m loai bao g d m : Cd hon trieu tan quang apatit d Lao Cai, hang chuc trieu tan quang quartzit, cansium f l u o r i d and graphit V a t l i e u xay dung cd rat nhieu de lam gach, ceramic, da, cat soi, cat de l a m k i n h , da v d i , da set l a m nguyen lieu x i mang Con cd rat n h i e u vat l i e u de lam vat lieu c h i u lira (set c h i u lira) - D a quy va ban quy bao g o m saphia va r u b i C d hang tran n g u o n nude khoang va nude nong 491 Hdi Cdng nghi nghiep khoa hoc md tien ki thuat tien md qudc vi su phat ti triin - 2010 bin vicng H i e n m d i k h a i thac khoang 300 m o vdi 30 l o a i khoang san khac T a c d o n g cua k h a i t h a c cac m o sau Ciing v