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w Thong tin khoa hoc cong nghe md NGHIEN CUU CAC GIAI PHAP KY THUAT VA CONG NGHE THEO HUdNG HIEN OAI HdA CAC MO THAN LO THIEN VUNG QUANG NINH According to the development planning of the coal industry[.]
w Thong tin khoa hoc cong nghe md NGHIEN CUU CAC GIAI PHAP KY THUAT VA CONG NGHE THEO HUdNG HIEN OAI HdA CAC MO THAN LO THIEN VUNG QUANG NINH ThS LUU VAN THyC According to the development planning of the coal ThS DUONG TRUNG TAM KS Lie BA PHU'C industry, in the coming years, the great open pit KS LE XUAN THU coal mines in Quang Ninh coal basin will obtain Vifn Khoa hge Cdng ngh$ Md - Vinacomin Increasing coal output Therefore, the open pit coal mines have to enlarge their mining scale and the mining fields as well In this paper, the authors refer to the study on the technical and technological solutions on the modernization trend at the open pit coal mines inQuana/jjinh^Ciqal baslg kign mo rOng (bang 1); eung dO Tong khoi luyng d i t bdc khai thic cic md than Ig vpn tai d i t dd vd than ngdy ede md 10 thidn viing Quang thien l&n vung Quing Ninh cdng xa, ehilu eao ndng tai Ninh edn Ipi g i n 3,33 ty m^ ngdy edng Idn; hp s l bdc trir luyng than khai thde edn Theo Quy hopch phdt t r i l n Ngdnh than da d u y c Thu ngdy cdng tdng Trong dd lai 288,3 tripu t i n Trong tudng Chinh phu phd duydt, d i l u kidn' khai thde ede md nhirng nam tdi, san luyng mdi cde md than 10 thidn ldn viing ngdy edng trd Idn phire tap, md 10 thidn dpt tir 1,5+5,0 xuIng sdu d i l u kidn dja tridu t i n than/ndm, d i t bdc tir Quang Ninh san luyng ngdy c h i t thiiy vdn - dja c h i t edng edng tang eao Vi vpy, ede md 10+60 tridu m^/ndm Cde md trinh ed nhilu thay doi b i t lyi d i u m d rOng quy md khai 10 thidn vung Hdn Gai co ban thde, kieh thude khai trudng eho qud trinh khai thde se k i t thue khai thde vdo nam Bing Quy md khai trw&ng cic md than Id thien l&n TT Thdng so Kfch thude khai tnrdng -Ddi ROng - Didn tfch - S l tang khai thde - Chilu eao bdmo DO sdu ddy mo Dat b6e Than khai thde KTB San luyng d i t b6e San lup'ng than D(yn vj Cao San Cgc Sdu Deo Nai m 4400 3.000 3500 m 2900 2.500 2600 670 Ting 42 40 m 600 Gid tri Khe Chdm II (ig thien) HaTu Nui Beo 917 3000 1464+2069 1090+1570 1430 1800 573+1568 805+1080 775 270 325 93,7 48 24+35 15+24 37 605 375+72 312+525 225+360 370 -300 -375 -345 -220 -135 -170 lOW 1138100 699479 586106 667625 110000 78000 53550 lectin 112367 52675 52894 39744 8200 13800 8701 m^/tln 11,13 13,28 11,08 16,8 12,19 5,65 6,15 10'm^/n 30-60 44 31,8 48 25 20 10 10^T/n 3,5-5,0 3,5 2,5 1,97 4,3 1,5 m KCNM S6 1/2012 * CNKT L O T H I £ N w Thong tin khoa hoc cong nghe m d 2015+2016; cac mo vung Cam Pha thdi gian khai thde d i n nam 2038, cung dO vpn tai dit da bai thai ngodi tir 5+10km, chilu cao nang tai tu* 150 +450m Cac md than 10 thien viing Quang Ninh hipn tpi cung da irng dgng vd dua vdo san xuat cac thilt bj khai thde cd cdng suit nhd vd trung binh, chf cd mOt s l md cd s l it mdy xiic dung tich gau 10 + 12m^ va dtd cd tai trpng 91+96 tin Trinh dO ky thupt cdng nghp cua cdc md 10 thien hipn dpt mirc dO trung binh tien tiln Tuy nhien, vdi dilu kidn ty nhien va ky thupt cua cdc md nhu bang cho thly, d l dpt duyc san luyng theo k l hopch da d l ra, thdi gian tdi, c i n phai dp dgng cae giai phdp ding bO nhdm co gidi hda, hiOn dpi hda cdc md Cic giii phip cu ban di cu gi&i hda, hign d^i hda cac md than /$ thiin Dk ddp irng ydu c l u san luyng khai thde vd co gidi hda, hidn dpi hda cdc md thdi gian tdi, c i n dp dgng cdc gidi phdp cdng nghp sau: a- Do md rOng bien gidi khai trudng, nen cdc md Niii Beo, Ddo Nai, XN 917 cdn cd mOt s l khai trudng g i n khu ddn eu vd cdc edng trinh cdng nghidp Do vdy, qud trinh khai thde bdng cdng nghd khoan n l truyin thing dd cd nhQ'ng anh hudng nhlt djnh d i n ddi sing dan sinh g i n khai trudng MOt s l khu vyc da khdng duoc n l Ol dam bao k l hopch san luyng, d cdc khai trudng g i n dan eir c i n dp dgng cdng nghp pha vd d i t dd khdng c i n khoan n6 nhu: dp dgng may xdi eo cdng suit Idn nhu D11R, D475A (hinh 1), d i u tu may XUC cd rdng g i u tich cyc 3Kr12B, may phay clt, d i u d|p thuy lyc HM-4000 b- Hidn tpi vd nhCrng ndm tdi cac md Ddo Nai, Cpc Sdu, Cao Son dd vd se d i u tu ede thilt bi khai thac cd cdng suit Idn o l giam chi phi khoan n6 chi phi vdn tai cung nhu chi phi phg try, giam cung 6Q vpn tai dilu hda hd s l bdc, c i n dp dgng cdng nghd khoan n l ting cao vdi chilu eao ting H = 20 + 25m r-> : ^ »^ €*^-^^^: : ' ^ As>T' I >T Hinh1 May x&i D475A tren tang tai mo Nui Beo Hinh Qud trinh thw nghigm no tang cao KCNM SO 1/2012 * CNKT L THifiN Hinh Cagi&i hda n^p to khoan cd nw&c bing thiit bj chuyen ding I nong tin khoa hoc cong nghe md Bdng Ding bg thiit bj miy xue - dtd cua cic md than ig thiin vung Qudng Ninh Chgn miy XUC Ten md Cao San Ditdi Dung Lo^i tich miy giu miy xue E,m' 3Krio, 12; PC8+15 1800; PC-3000 10+12 3KriO; PC-1800 Ddo Nai 6,7^10 3KriO; PC-1250 Tdy Nam Od Mdi Khe Chdm II 6,7+10 3KriO PC-1250 Cpc Sdu Nui Bdo HdTu XN than 917 5+6,7 5^6,7 3Kr 5A; CAT509 0; PC1250 3Kr 5A; CAT509 0; PC1250 Chgn d td van tdi Than Dung tich giuE, m' Lo^i mdy mdy xue Tdi trgnp q Tan Lo^ii d td Tdi trgng q Tan Lo^i d td 3,5+6,7 PC750,65; CAT375; PC-1250 90+140 CAT-777; HD 785; 1500 37+55 CAT 773F; Volvo AD 40 3,5+6,7 PC-750, 650; CAT375; PC-1250 90+120 CAT-777; HD 785; 1500 37+55 CAT 773F; Volvo AD 40 3,5+6,7 PC-750, 650; CAT375; PC-1250 90+100 CAT-777; HD 785; 37+55 CAT 773F; Volvo AD 40 PC750,650; CAT375; 90+110 CAT-777; HD 785; 37+55 CAT 773F; Volvo AD 40 30+40 CAT 769, AD 35, 40; sea nia 30+40 CAT 769, AD 35, 40; scania 3,5+5 3,2-r5 3,2+5 PC-750, 650; CAT375; 365 PC-750, 650; CAT375; 365 40+55 40+55 2,0+2,5 32+37 2,5+4,5 c- D i i vdi cdc ting ngpp nude d cae md, dp dgng cdc giai phdp cdng nghd n l hyp ly: npp thulc n l bao nilon, npp n l thulc nhu tuong rdi bang xe chuyen diing (hinh 3) Doi vdi eac tang dudi sau va ting dpt gidi han kit thuc, dp dgng cdng nghd no giam chin dOng (dilu khiin quy md vg n l , n l vi sai todn phln v ) Tang cudng chat luyng d i t da no 'min vd giam chi phi nap bua, cin dp dgng co gidi hda khau Than Ditdd npp bua D i i vdi dd qua ed, dp dgng phuong phap phd yd bang d i u ddp thuy lye, nham dam bao an todn vd bao vp mdi trudng sinh thdi d Ddp irng ydu c l u tang san luyng vd phii hyp vdi dilu kipn khai thde cua cde md c i n lya ehpn vd d i u tu dong bO thilt bj (DBTB) ed cdng suit Idn: May khoan xoay c l u , mdy khoan thuy lye cd dudng kinh tir d = 250+300mm; mdy xue d i t da cd dung tich gau KCNM s d 1/2012 * CNKT LO THifeN BeIaz -549, 555; CAT773F; HD 465 BeIaz -549, 555; CAT773F HD465 BeIaz -549, 555; CAT773F; HD 465 27+32 CAT 769, AD 35, 40; scania E = 6,7+15m^, xue than bang mdy xue thuy lye gdu nguyc (MXTLGN) ed dung tich g i u E = 3,5+6,7m^; vpn tai d i t dd blng dtd ed tai trpng tir 58+140tln, vpn tai than nguydn khai bang dtd ed tai trpng 30+55 t i n (bang 2) Di ddi vdi doi mdi vd tang edng suit DBTB, d i i vdi cdc md 10 thidn Idn vung Cam Pha can doi mdi he thing khai thde (HTKT) Ngodi vide dp dgng edng nghp khai thde •® Thong tin khoa hoc cong nghe m o khlu theo Idp dirng c i n phdi tdng ehilu cao ting, ehilu rOng dai khlu, ehilu rOng dudng vdn tai nhdm phdt huy tdi da edng sudt cua thidt bj cd A A* l i /Ui ox edng sudt Idn (bdng 3) hyp dtd - bdng tai cd mdy nghiln rg bdi thdi Bdng ^ ^ ^ ^di thdi Nam ^ ^ -i A Khe Tam dd v^n , e D i i vdi ede md cd khii ^^ ^^di (hinh 4) luyng vdn tai Idn, cung dO Ap dgng thai dd vdn tdi xa, ehilu cao ndng tdi ^Ing Idn vd thdi gian t i n tpi ddi nhu Cao Son, Ddo Nai eIn dp dung cOng nghd vdn tai lidn mdy cdng ^^^ hodc bdng rdt ^^^ Hinh Sa chit tii t^i tr^m chuyen dp dyng vin tii liin hgp dtd - bing tii Bdng Thdng si cua HTKT phu hgp vdi ti hgp DBTB cdng suit l&n cua cic md than ig thiin l&n TT Thdng so eao Chilu ting khai thde (H) Chilu rOng mdt ting edng tdc (B„,in) Chilu rOng ddi khlu (A) Chilu ddi lulng xue (Lx) Chilu rOng dai vdn tdi Chilu rOng dai an todn Chilu rOng dai bdovd Gde die bd edng tde Dan vj Cao San Cgc Siu Ddo Nai Tiy NamDi Mdi Nui Bio HiTu XN917 m 20+30 20+25 15+25 15+20 12+15 12+15 10 m 40+70 40+65 40+65 40+60 40+55 40+55 32 m 18+30 19+25 15+25 15+25 15+20 15+20 15+16 m 300+380 300+350 300^350 250+350 250+300 250^300 200^250 m 23+30 20+27 20+27 20+27 20+22 20+22 20 m 6,5+10,8 6,7+10,0 4+10,0 4+10,0 4+5 4+5 3+3,5 m 3,8+6,4 3,8+5,0 2,4+3,0 2,4+3,1 2,4+3,2 2,4+3,3 dO 26+32 26+29 26+28 26+28 24+26 24+26 24+26 l > • t>.a • - I r i b i L * - n I > • l l > iL .1 » , ^ L' u k , L k J Hinh Sa thodt nw&e bang gieng bam doi v&i bii thdi KCNM S6 1/2012 * CNKT L T H I £ N w Thong tin khoa hoc cong nghe md f Giam hiiu anh hudng cua cdc bdi thai ngodi d i n mdi trudng xung quanh, dp dgng mOt s l giai phdp cdng nghp nhu: D l thai vdi ehilu eao ting tir 20+30m; xdy dyng cdc tuyln 6e vd muong thodt nude bao quanh chdn bdi thai, hudng ddng chay vdo cdc ho xu' ly mdi trudng; tpi nhirng khu vyc k i t thuc d l thai trlng cdy xanh d l hpn c h l xdi mdn, spt Id bdi thai; tpo dd ngdn theo ede mdp t i n q thai, nhdm ngdn ddng chay trdn xuong sudn tdng Trong qud trinh d l thai, eIn giam thilu anh hudng d i n mdi trudng sinh thdi bang edeh dp dgng cdc giai phdp: phun dpp bgi, phun I m , tudi nude, kilm sodt nudc chay trdn, tpo ede h i tidu lang, h i XLP ly moi trudng v.v g Tpn dgng khdng gian k i t thue khai thde, ede mo d l bdi thai hope bdi thai tpm: D i i vdi ede khu vyc phia dudi cdn tdi nguydn khai thde ham Id, can d l thai theo trinh ty tir dudi Idn, ehilu eao Idp thai tir 2+4m Dk hpn c h l anh hudng nude tich dpng d ede bdi thai din khai thde him Id eIn phai dp dgng ede giai phdp ding bO nhu: nao vdt bun tarde thai, su dgng vai ngdn nude, sir dgng cdc gilng thdo khd bdi thai (hinh 5), dp dgng giai phdp khoan thdo kho Id h Cde md khai thde xuong sau bd md khong on djnh dp dgng cdc giai phdp: thdo khd bd mo bang he thong Id khoan (dirng hope khoan ngang); gia cudng khoi dd bang be tdng phun, xi mang hda; neo bd md (hinh 6); khoan giam dp (hinh 7) i Dk dam bao an toan cho ngudi vd thilt bj, eung nhu han c h l anh hudng cua n l d ede tang sdu d i n on djnh bd md, c i n dp dgng no vi sai todn phan, no tpo bidn, chia bai thdnh ede dyt no, luu cOt khdng Id khoan (hinh 8) K i t luan Ddnh gid hipn trpng khai thde cung nhu k l hoach san xuat nhQ'ng nam sap tdi eua eae mo than 10 thidn eho thly, 6k dam bao san luyng theo k l hoach d l ra, cdc md c i n dp dgng ding bp eae giai phdp edng nghp co gidi hda, hipn dpi hoa nham giam ehi phi san xuat, ndng eao hidu qua khai eho cdc doanh nghipp./ DAy neo thdo ddl OJuneo Hinh Sa neo be tdng cot thdp ddm bio on dinh b&md J T A Hinh Cic phuxmg phip sw dung Iwu cdt khdng Id khoan a Luv cgt khdng cdt thudc; b Luv cdt khdng dudi ddy id khoan (phdn khdng khoan thdm): c Luv cdt khdng du&i ddy l5 khoan Hinh Khoan giim ip tai b& tru md Na Dwang (5/2010) Tai lieu tham khao Luu Van Thuc va nnk (2011) Bao cao tong kit de tai Ninh- Vipn Khoa hpc Cdng "Nghien cuu cac giai phap ky thuat va cdng nghp khai thac nghp Md-Vinacomin Ha Npi theo hudng hipn dpi hoa tai cac md than lp thien vung Quang 2001 KCNM S6 1/2012 * CNKT L O THifeN ... Bao cao tong kit de tai Ninh- Vipn Khoa hpc Cdng "Nghien cuu cac giai phap ky thuat va cdng nghp khai thac nghp Md-Vinacomin Ha Npi theo hudng hipn dpi hoa tai cac md than lp thien vung Quang... san luyng theo k l hopch da d l ra, thdi gian tdi, c i n phai dp dgng cae giai phdp ding bO nhdm co gidi hda, hiOn dpi hda cdc md Cic giii phip cu ban di cu gi&i hda, hign d^i hda cac md than /$... ding I nong tin khoa hoc cong nghe md Bdng Ding bg thiit bj miy xue - dtd cua cic md than ig thiin vung Qudng Ninh Chgn miy XUC Ten md Cao San Ditdi Dung Lo^i tich miy giu miy xue E,m'' 3Krio, 12;