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Thong tin khoa hpc cong nghe mo DANH GIA KET QUA AP DUNG VA DE XUAT CAC GIAI PHAP PHAT TRIEN CONG NGHE CGf GIOI HOA KHAI THAC enc mo than liaiii 16vung Quang M n l i For increasing coal output to rnee[.]
Thong tin khoa hpc cong nghe m o DANH GIA KET QUA AP DUNG VA DE XUAT CAC GIAI PHAP PHAT TRIEN CONG NGHE CGf GIOI HOA KHAI THAC enc mo than liaiii 16vung Quang M n l i For increasing coal output to rneet the coaf demands in our national economy and ensure the energy security, in the coming years, the mechanized coal mining technologies will be more and more applied to the permitted coal mining areas The paper introduce some evaluations of the results from the application of the mechanized coal mining technologies and proposals of the solutions for their development for Quang Ninh underground coalmines TS NGUYfiN ANH TUAN KS NHCT VIET TUAN va NNK Vien Khoa hgc Cdng nghe Md - Vinacomin lU nam 2002, " ^ gidi hda dau tien sir dyng may khau than k i t hgp vdi gia thuy lye di dpng dugc dua vao hoat dpng tgi Cdng ty than Khe Cham Tdi nay, nganh Than Viet Nam da ed id chg ca gidi hda di vao hoat dpng eae d i l u kien dja chit khac rang ding: - San lugng khai thae: ngoai Id chg ca gidi hda tai md Vang Danh, Hing Thai cd san lugng khai thae tuang duang vdi Id chg khai thac thu cdng d i l u kien dja chit phirc tap, cae 16 chg ca gidi hda cdn lai cd san lugng tang tir 1,32 ^3,17 l i n Tong hgp cac Id chg ea gidi hda dugc ap dyng tir nam 2002 tdi va cac chi tieu kinh t l ky thuat dugc trinh bay tren bang - Nang suit lao dpng: tang tir 1,03 ^ 4,0 l i n , dac biet Id chg ea gidi hda dong bo tai md Khe Cham, Nam M i u dat nang suit 11,4-^14,0 tin/cdng.ca, tang tir 1,84 -^ 4,0 lan Bilu d l so sanh eae chi tieu kinh t l ky thuat dgt dugc cua cae Id chg ca gidi hda vdi cae 16 chg khai thae thu cong CO dieu kipn tuang dong dugc gidi thieu tren cac hinh 1, 2, 3,4 Qua kit qua tong hgp, phan tich tren ed t h i thiy, ngoai Id chg ca gidi hda ap dyng tgi md Duang Huy khdng cdng dieu kien dja chit phirc tgp, cac Id chg ca gidi edn Igi da ap dyng cdng, t h i hipn d eae chi tieu kinh t l ky thuat, mire dp an toan dgt dugc qua trinh san xuit cao han so vdi Id chg khai thac thu cdng e6 dieu kipn - Chi phi met 16 chuin bj: giam mgnh, chi bang 44% -^ % chi phi cua 16 chg thu e6ng, dae biet edng nghp ea gidi hda via mdng doc tgi md Hong Thai, Mao Khe da giam tir 50m/1000 t i n than xuong edn khoang 6m/1000 t i n than - T i n thit tai nguyen: nhin chung giam, dac biet d i i vdi edng nghe ea gidi hda via doe, giam tir 29%-^35% xuIng c6n khoang 14,5% ^ 19% - v l mat an toan lao dpng: cac edng dogn san xuit KHCNM s o 3/2011* CNKT HAM LO chinh, nang nhpe da dugc ca gidi hda, nen da cai thien d i l u kien lam viec, giam ehi phi lao dpng thil cong, nang cao mire dp an toan san xuit Thyc t l ap dung g i n 10 nam qua cho thiy, tai cac 16 chg ea gidi hda chua xay tai nan nghiem trpng, tham chi d i l u kipn dja chit r i t phirc tgp Nhin chung, sd lugng cac Id chg ea gidi hda dugc ap dyng tai eae md h i m Id Quang Ninh thdi gian vira qua cdn it, ddng gdp san lugng khiem ton t i n g san lugng than h i m Id khai thac dugc Tuy nhien, cac k i t qua dgt d u g c r i t kha quan, dac biet san lugng khai thac, nang s u i t lao dpng va mire dp an toan da cai thien rd ret so vdi cong nghe khai thac thu cong Theo danh gia, trir lugng tai nguyen cac khoang sang than vung Quang Ninh co kha nang ap dung cdng nghe ca gidi hda khai thae tinh tdi mire tham dd (mire -300) tuang d i i Idn, khoang 641.440 ngan Thong tin khoa hpc cong nghe mo Bang Ten Id cha TT Ten chi tieu Chieu day via, m Goc d i e via, Chieu dai 16 chg, m He thing khai thac Cong nghe khai thac - - Ld cha Ld cha CGH via CGH day trung via day binh, doc doc tai den 3^ Vang tai Khe Danh Cham 3,1 16° 70° 100 Cpt dai theo Chia phu'ong Id Idp chg tru bang trln Lo cha CGH via day trung binh, doc den 3^ tai Khe Cham 2,2 15° 132 Cpt dai theo phuong khau toan via 102 Cot dai Cot dai theo theo phu'ong phuong 16 16 chg tru chg try ha tran trln May khiu May khau May khiu May k h i u MB12- Ld cha CGH via day, doc den 3^ tai Vang Danh Ld cha CGH via day, doc den 35° tai Nam Mau 7,0 6,7 16° 120 6° Phtrcng phap khiu Khoan MG MG MB12- guoTig no 200W1 150/375 2V2P/ Phirang tien chIng giij Cong suit 16 chg, 1000 tin/nam Nang suit lao dpng, tin/cong Chi phi met 16 chuan bj, m/IOOOtin Ton thit cong nghe, % Dan ty hanh KDT-1 62 GiaTL XDYJF/Lr/T2/1 20JZ 158,6 2V2P/ Ld cha Lo cha CGH CGH via via mdng mdng doc tai die tai Hong Mao Thai Khe 2,2 2,2 58° 53° 60 60 Cpt dai theo huong doc Cot dai theo hu'dng doc May May bao bao 1ASHM 1ASHM Dan tu hanh 2ANSH Dan ty hanh 2ANSH 75,5 37,8 R- R-450E 450E GiaTL ZZ3200/16 /26 Dan tu' hanh Vinaalta Dan ty hanh Vinaalta 380 206,4 300 5,8 5,7 14 10.6 11,4 5,6 3,4 7,76 10,2 7,6 8,5 6,0 6,0 19 28 21 19,3 19,6 16 14,5 tan, phan b l tai nhilu mo va theo nhilu pham vi, d i l u kien dja chit (hinh 5): - Tru' lugng cac via day, doc thoai d i n nghieng khoang 488.351 ngan t i n , tap trung chu y l u tai cac mo nhu: Ha Lam (155.961 ngan t i n , chilm 31,94%), Vang Danh (107.318 ngan t i n , chilm 21,98%), Khe Cham II-IV (67,427 ngan t i n , chilm 13,81%) va Than T h u n g - Y e n TUP (48.121 ngan t i n , chilm 9,85%) - TrCr lugng cac via day, doc khoang 116.565 ngan tan, tap trung chu y l u tai cac mo nhu: Than Thung - Yen Tir (36.535 ngan t i n , chilm 31,34%), Mao Khe_ - Trang Khe (30.013 ngan t i n , chilm 25,75%), Vang Danh (13.389 ngan t i n , chilm 11,49%), Suli Lai - Hon Gai (10.116 ngan tan, chilm 8,68%) - TrCf lugng cac via mong, d i e khoang 50,000 ngan tan, tap trung chu y l u tai cac mo nhu: Mao Khe (18,813 ngan t i n , chiem 37,63%), Quang KHCN.M s o 3/2011* CNKT HAM LO Hanh (11.309 ngan t i n , chiem 22,62%), Hing Thai (6.652 ngan t i n , chilm 13,30%) Trudc yeu c i u tang nhanh san lugng than dap irng cho nen kinh t l quIc dan va dam bao an ninh nang lugng quIc gia, b i i canh khai thac tai nguyen cang xuIng sau, d i l u kien dia chit phire tap, tilm i n nhilu rui ro, Tap doan Cong nghiep Than Khoang san Viet Nam (Vinacomin) chu tnjong irng dung t l i da cac cong nghe tien 6(1 50 40 -10 20 10 Cung sual!() che; (lO(X)n Nang sua'l iao ilOngCr/cOng) Chiphf met 16 chuan bi lOOO'Km) • IXNNsililung dan chfing KDT-1 V7\'D Trfn thai cOng nghc (») oI^NN via 14 Cao'lhan; Hinh Bieu so sanh cac chi tieu KTKT ciia cdng nghe ca giai hda via day doc vi cdng nghe thu cdng CKcit: suai ludio (IO{H)l) NiingsujTilaiMlflng (T/cOng) Cbipli(nn.i Ift thuin bi (in/lOOOT) IflnchJitrtii^ nghC [