Thong tin khoa hpc cong nghe mo NGHIEN CUU CAC GIAI PHAP NANG CAO TOC DO DAO GIENG NGHIENG TRONG M 0 VIA VA CHUAN Bj CAC KHU VUC KHAI THAC ta i cac mo tlian liam lo Met I^am In recent years, many incl[.]
Thong tin khoa hpc cong nghe m o NGHIEN CUU CAC GIAI PHAP NANG CAO TOC DO DAO GIENG NGHIENG TRONG M VIA VA CHUAN Bj CAC KHU VUC KHAI THAC t a i cac mo tlian liam lo M e t I^am In recent years, many inclined shafts have been designed TS PHAM MINH DtfC and constructed at underground coal mines, contributing TS LE VAN CONG enormously to the coal production increase However, in KS PHAM TIEN VU their construction process, there have been some existing Vien Khoa hpc Cdng nghe Md •TKV problems such as slow schedule speed and low safe level In this paper, the authors refer to the technical and technological problems and also provide the solutions for increasing driving speed of Inclined shafts under present conditions I Md dau Tai vung than Quang Ninh, hien san Itfpng khai thac b mtfc 16 bang da gan bet va ra't nhieu mo phai tien hanh khai thdng, md rpng san xuat b cac mtfc sau hdn bang cac IP gieng, nhtf cap gieng nghieng khu Canh Ga - Cong ty than Vang Danh, cap gieng nghieng khu Lp Trf - Cong ty than Thdng Nha't, cap gieng nghieng b Cong ty than Nam Mau, Mong Dtfdng, Khe Cham vdi chieu dai trung binh mdi gieng ttf 1000 ^1500 m va ttfdng lai khdng xa, se c6 nhieu gieng nghieng khac ddi Do do, khdi Itfpng cac dtfdng 16 gieng phai dao se rat Idn De dam bao san xua't dn djnh, dap tfng nhu cau san Itfpng theo ke hoach, ttf bay gid can phai nghien ctfu ap dung cac day chuyen cong nghe thi e6ng nham nang cao tdc 6q dao 16 gieng nghieng md via va chuan bj cac khu vtfc khai thac, dap tfng ke hoach dat II Hien trang cdng nghe thi cong gieng nghieng tai cac ddn vj TKV 11.1 Cong tac dao guang pha Hien nay, cdng tac dao pha gtfdng thtfdng stf Hinh Gi&ig nghidng mdc +125 ^-50 khu Than Thung Cdng ty TNHH MTV than Nam Mau - TKV KHCNM s 1+2/2010* CNKT HAM L dung phtfdng phap khoan - nd (DBM) Stf dung bua khoan nen cam tay nhtf np-30, np-24, nn-54, nn-63 eiia Nga; YT-25, YT-27, YL18, YL-24 cCia Trung Qudc; PLB-241K eiia Thuy Sy; may nen di dpng cong sua't thap 5m^/phut nhtf ZIP (Nga), Y4VK6/7 (Trung Qudc) Chat Itfpng dtfdng dng dan khf nen tha'p, dng d i n cho bua khoan thtfdng la dng mem, tdn that Idn Do do, Itfpng cung ca'p khf nen tdi da chi dCi cho den biia khoan cam tay nen nang suat lam viec ciia may khoan bj anh htfdng Viec stf dung may khoan tay cung dan den khd khan viec xac dinh Hinh Gidng nghieng Khe Cham III, Cdng ty Cdphan than Mdng Duong - TKV Thong tin khoa hpc cong nghe m o vi tri cac Id tren gtfdng theo hp chieu thiet ke, dan den chat Itfdng gtfdng nd va hieu qua nd bi anh htfdng Mpt vai nam gan day, mpt sd mo da dau ttf ap dung xe khoan ttf hanh hien dai nhtf xe khoan can 1F/E50 (Sandvik Tamroek) hay BFRK1 (Deilmann - Haniel Mining Systems) de khoan gtfdng Day la thiet bj lam viec kha dn dinh, nang sua't cao Tuy nhien, ti'nh ddng bp eiia thiet bi vdi cac thiet bj xuc bdc, van tai gtfdng e6n tha'p, nen nang sua't lam viec e6n nhieu ban che Thdng ke cho tha'y thdi gian khoan b nhieu dtfdng 16 chiem tdi 35% toan bp thdi gian dao chdng 16 Nhtf vay, day la mpt nhtfng yeu td quan trpng nha't anh htfdng den tdc 66 dao 16 Cac loai thude nd hien dang stf dung chii yeu la AH1 vaP113, NT-13euaVietNam; ki'p nd ttfc thdi va ki'p nd vi sai vdi 6o vi sai 25%o giay chii yeu la loai MS ciia Trung Qudc Cac loai thude nd co stfc cong nd khong cao, khoang each truyen nd ngan do hieu qua nd khdng cao; he sd stf dung 16 cao nha't dat dtfpc hien la t] = 0,8, chieu sau Id khdng the tang dtfpc Cha't Itfdng dap vd da chtfa deu, Itfpng da qua cd ttfdng ddi nhieu nen da't da nd chtfa thi'ch hpp cho may xiic lam viec Hp chieu khoan nd chtfa hpp 1^, viec bd tri cac Id khoan bien chtfa thich hpp nen nhieu gtfdng 16 b hai phi'a hong va ben tren dau cot bi hdng Idn, ttf 30 -^ 50 cm, he sd thtfa tiet dien cao, co len tdi 1,2 H- 1,3 Viec thiet ke lap hp chieu nd tao bien cho XiSng dieu kien dat da cOa mdi dtfdng 16 chtfa dtfdc quan tam nhieu Hieu qua nd tha'p, hien ttfpng kip nd va thude nd bj bo loi (khong nd) thiet bj kich nd kem, sd 66 da'u ki'p khong tdt xay nhieu cac gtfdng 16 stf dung cac loai phtfdng tien nd nhtf hien 11.2 Cong tac xiic bdc Hien tai, cac mo than ham 16 bdc xuc bang thii cong la chfnh nen nang sua't ra't tha'p, din den thdi gian cho xuc bdc Idn Theo thdng ke, ba'm gid, thdi gian bdc xuc, van chuyen da, giai phdng gtfdng 16 sau mdi lan nd ra't lau, khoang -^ gid Mpt sd thiet bi hien stf dung nhtf: may cao vd IIIHB2 va inHB-5, may xuc lat sau i n n H - (Nga), may xuc lat hdng LBS-500W (Ba Lan) Khi dao gieng nghieng cac mo thtfdng stf dung may cao da gau quang P60-B (Trung Qudc) Hien tai, phan Idn cac thiet bj da stf dung qua lau, hay bj hong hoc, ti'nh ddng bp gitfa cac thiet bj khong cao nen nang sua't va hieu qua lam viec c6n nhieu ban che Ngoai ra, viec trao ddi godng co tai va khong tai b gtfdng khong co cac thiet bj chuyen dung ma chii yeu dung ga tranh tam va ghi re vao cup, day godng bang thCi cong Trong do, khoang each gitfa cac cup tranh kha Idn hoac cac ga tranh tam dat qua xa (200 ^ 300 m) dan tdi KHCNM S6 1+2/2010* CNKT HAM L thdi gian trao ddi godng kha lau Ngoai ra, viec chat tai len thiet bj van tai ttf phtfdng tien xuc bdc c6n chtfa ddng bp va linh hoat, mat nhieu thdi gian thieu thiet bj chuyen tai nham giam thdi gian ngtfng nghi va hoat dpng dau ndi cCia thiet bj 11.3 Cong t^c van tai Cac dtfdng 16 gidng nghieng van tai chii yeu bang he thdng dtfdng sat, cd dtfdng 600 va 900mm, godng 14-3 tan stf dung tdi true Chat Itfpng dtfdng ray chtfa dat tieu chuan, nhieu doan dtfdng khdng c6 Idp dem dan hdi, do anh htfdng tdi tdc 6o chay toa godng va mat thdi gian de giai quyet stf cd Khi dao 16 gieng, phtfdng thtfc van chuyen la go6ng - tdi true, nang sua't true tai va he sd an toan khong cao, dac biet chieu dai gieng Idn Khi stf dung he thdng bang tai khau ndi dai, viec can chinh bang tai lai mat nhieu thdi gian, hdn ntfa bang tai ehl van chuyen dtfdc dat da vdi cd hat < 300mm, nen nd vdi chat Itfpng dap vd dat da khong tdt, nhieu da qua cd, thi stf dung bang tai lai gdp rat nhieu kho khan va bang tai chi thi'ch hpp vdi dp ddc ciia gieng nghieng < 18° 11.4 Cong tic chong Id Nhieu nam trd lai day, c^c ket cau chdng, vat lieu chdng, chen 16 ft dtfdc thay ddi Nhtfng ket cau chdng thu dpng nhtf: be tong cdt thep lien khdi, khung chdng thep, Thong tin khoa hpc cong nghe m o gd khung chdng thep I6ng mang chCi yeu dtfpc stf dung rpng rai tai hau khap cac dtfdng 16 da va than Ket cau chdng chii dpng lam tang kha nang mang tai cCia khdi da bao quanh cong trinh ngam, nhtf: neo, be tong phun, bdm ep vtfa gia ctfdng khdi da bao quanh, ft dtfpc stf dung Sd Itfdng dtfdng 16 c6 dieu kien thfch hpp de chdng bang neo va be tdng phun la kha Idn nhtfng den viec stf dung neo cdn ft Khi stf dung cac khung chdng thu dpng, khdi Itfpng van chuyen va lap dat vi chdng Idn Trong dd, cdng viec chCi yeu thtfc hien bang thii c6ng, rat nang nhpc, nang su^t lao dpng va an toan khdng cao 11.5 Td chiic lao ddng, nhan luc Hau bet cac dpi thp dao 16 dtfdc td chtfc lam viec ca mpt ngay, ngoai trtf mpt sd dpi thd dao 16 nhanh thdi gian gan day da td chtfc theo phtfdng an lam viec kfp Trong thdi gian nap min, chi cd thd dtfdc lam viec gtfdng, cdn thp dao 16 deu phai nghi Viec phdi hpp lam viec ca chtfa dtfdc nhjp nhang, dieu dan tdi lang phf stf dung thdi gian lao dpng Bang Chi tidu KTKT ciia cdc so dd cdng nghd dao gidng nghieng Sd Sd ngtfdi ca (1) (2) Tie't dien 11^16 11^16 Tdc Trung binh (m/thang) 40 60 Nang suat Trung binh (m/cong-ca) 0,051 0,100 Ghi chu Bang Thdng kd tdc dp trung binh dao gieng nghieng ciia mpt sddon vj dp dyng so dd cdng nghe (2) Toe trung binh (m/th) Ten cong trinh cap gieng nghieng khu Canh Ga - Cong ty CP than Vang Danh -TKV Gieng chinh bSng tai tit+129,1 ^ -85 (14,26 m') 40 Gieng phy tnic taitil+129,1 -h-50 (24,4 m') 35 cap gi^ng nghieng Khe Cham III - Cong ty CP than Mong Dtfdng-TKV* Gieng nghieng chinh +25 ^ -300 (22, U25,8 m') 35* Gieng nghidng phu +25 ^ -300 (27,6-^31,3 m') 30* cap gi^ng nghieng B^c Mong Dtfong - Cong ty CP than Mong Dtfdng-TKV Gieng nghieng chinh +10^-270 (17,3-^18,9 m') 30 Gidng nghidng phy +10-f- -250 (16,3-^19,9 m') 30 cap gi^ng nghi§ng mtfc +30 mo than Nga Hai - C6ng ty TNHH MTV than Quang Hanh-TKV Gidng nghidng chinh+30 ^-212,62 Gidng nghidng phy +30 ^-175 35 35 Gi^ng nghieng TG +18 + -172 md than Nga Hai TNHH MTV than Quang Hanh-TKV 40+45 cap gi^ng nghi§ng tai Cong ty than Ha Long - TKV 35+40 cap gi^ng nghi§ng tai Cong ty than Hon Gai 35+40 Ghi chu: * Ket qui trudc chua iip dyng sa dd cdng ngh$ ca gidi hda Cac thiet bj stf dung dang stf dung chii yeu hai sd cac sd 66 cong nghe tren dd cong nghe sau: thtfdng da qua stf dung, hay (1) - Sd cdng nghe dao hong hoc va thtfdng khong gieng nghieng, hai khoan tay, ddng bp vdi Cac ehl tieu xuc thii cong, keo go6ng bang kinh te - ky thuat (KTKT) cCia 11.6 So cdng nghe co tdi true; godng tan cac sd cong nghe dao ban dao gidng nghieng hi$n (2) - Sd cong nghe dao gidng nghieng tren dtfdc the hien tai bang Mpt sd kdt Tuy thupc vao dieu kien dja gieng nghieng, hai khoan qua dao gidng bang sd 66 chlft ky thuat ciia dtfdng 16 tay, xuc bang may cao da, cong nghe (2) dtfpc the hien gidng va trang thiet bj, hien keo godng bang tdi true, bang c^c mo than ham 16 TKV go6ng tan KHCNM S6 1+2/2010* CNKT HAM LO Thong tm Khoa hpc cong nghe mo TKV Tai day, mpt may khoan Jumbo hieu BFRK1 (Deilmann - Haniel Mining Systems) da dtfdc dtfa vao de thay the khoan cam tay Vdi he thdng xuc bdc bang gau quang nang sua't trung binh va van tai bang godng - tdi true khong lien tuc thi tdc 66 tien gtfdng 11.7 Mpt vai ket qua ve thi da dat den 40-^50 m/thang cong gieng nghieng tai TKV bang cong nghe cogidi hda Nam 2008, Cong ty Xay Vdi thtfc trang cdng nghe, thiet bj c6n b mtfc 6q ca gidi hoa tha'p, td chtfc lao dpng chtfa hdp 1^', hieu qua khoan nd pha da kem nen tdc 66 va nang suat lao dong dao gieng nghieng cac md ham 16 TKV e6n tha'p Mdi day, mpt day chuyen CO mtfc 66 ca gidi hda dao gieng nghieng dtfpc ap dung tai cap gieng nghieng +125 -^ 50 khu Than Thiing, CPng ty TNHH MTV than Nam M l u - dtfng Mo ham 16 - TKV dau ttf eac day chuyen thiet bj cd gidi hoa mtfc cao de thi cong cap gieng nghieng Khe Cham III Day la dtfpc xem la day chuyen cdng nghe dao gieng nghieng hien dai nhat tai Viet Nam tai thdi diem dau ttf ap dung Theo thiet ke, neu tiet dien dao ciia gieng la 25,1 m^ va 27,5 m^, chieu dai mdi gieng la 1570 m, gdc nghieng gieng la 12° chdng 16 bang vi chdng thep SVP-27, btfdc chdng la 0,7 m/vi, thi tdc 6g tien gtfdng se dat mtfc -90 m/thang Tuy nhien, day chuyen hien van chtfa dat cdng suat thiet ke dtfa vao stf dung bdi mpt sd nguyen nhan nhtf sau: * Thiet bj chtfa dtfdc dau ttf ddng bp, c h l n g han nhtf: thieu Hinh Mdt gidng nghieng tai md mang-gan, vung Nchwaning, Nam Phi Hinh Mdt gieng nghieng tai md quang Tizapa, Me-hi-cd Hinh Gidng nghieng nha may thuy dien Kops II, Partenen, Hinh Gieng nghieng oRustenburg, Nam Phi KHCNM SO 1+2/2010* CNKT HAM LO Thong tin khoa hpc cong nghe mo cau truyen tai da len bang tai, thieu bua can da thiiy ltfc, thieu tdi hd trd theo may khoan va may xuc gieng nghieng da cho tha'y hieu qua ro ret Tren the gidi da c6 cac loai may khoan co the lam viec cac dtfdng 16 bang, gieng nghieng, co nang sua't rat cao, cho phep nang cao chat Itfpng khoan nhtf dinh vj Id khoan, djnh htfdng 16 khoan, theo doi dtfpc chieu dai Id khoan, c6 the khoan nhtfng Id khoan co dtfdng ki'nh khac tren mat gtfdng, dieu chinh hdp ly cac tham sd ky thuat (vf du nhtf: mdi lien he gitfa thdi gian khoan vdi 66 ben eOa da't da tai vi tri ttfng Id) Cac combai dao 16 (roadheader - RH), may khoan * Ky thuat khoan - nd ham toan gtfdng (TBM), bua chtfa dat hieu qua cao dan can tay (breaker), thiet bj pha den Itfpng da nd cdn rat da kieu ctfa (trench), sung nhieu da qua cd, khong the ntfdc ap ltfc cao (high van tai bang bang tai va pressure water jet), hoac khong the xtf 1^ vi kh6ng co dang ket hpp gitfa eac phtfdng thiet bj dap da qua ed phap pha da khac da dtfpc ap dung de pha da b * Viec tao nen khdng dam nhieu cong trinh tren tren the bao 66 phling, dan den 66 ddc gidi Song, tinh linh boat va nhieu luc vtfdt qua 66 ddc lam kinh te ma phtfdng phap viec cCia thiet bj khoan, xuc khoan nd - DBM (Drilling Hdn ntfa, may khoan, xuc and Blasting Method) van khdng dtfpc trang bj tdi hd trd Td hpp day chuyen thiet bj dtfpc xem la "phtfdng phap nen khong boat dpng dtfpc b cong nghe thi cong hien khai dao thong dung" Yeu ra't phong phu va da dang gdc nghieng thiet ke cau cd ban can dat dtfpc ciia Trong khai dao gtfdng ham III Lira chpn so cong phtfdng phap la cd dtfpc bang DBM thi hai cong tac bien dao gan diing vdi bien nghe phu hdp khoan va xuc bdc la rat quan thiet ke va khdi da ft bj pha III.1 Tdng quan trpng hoai nha't, giam thieu he sd Cac xe khoan banh xi'eh Tren the gidi, viec ap dung thtfa tiet dien Hieu qua eiia Sandvik Tamroek, Teehmo phtfdng phap khoan nd eiia sd 66 khai thdng, md via bang (Ao), xe khoan ttf hanh banh gieng nghieng ft dtfpc stf dung phu thupc chCi yeu vao ba dieu kien ve dia ky thuat va nhom yeu td: mtfc 66 chfnh Idp Boomer Series (Atlas Copco), eac ddng xe khoan cong nghe Viec stf dung xac cua ky thuat va cdng nghe dung chuyen biet cho cac mo gieng nghieng trtfdc day chii khoan; phtfdng tien nd, ky than ham 16 Deilmann - Haniel yeu la cac mo than thuat nd, sd 66 nd va dac Mining Systems (Dtfc), cac xe thupc Lien X6 (cu), Trung diem dieu kien dja cha't dat da khoan hang nang MR cCia Terex Reedrill, khoan ttf hanh Qudc Hien nay, sd 66 Ky thuat khoan ciia Furukawa (Nhat Ban) dtfpc ap dung rat phd bien b da cd nhtfng btfdc phat trien khoan RPH (eiia Phap), xe Viet Nam bdi chi phf xay dtfng manh me, chuyen ttf khoan stf khoan khf nen Ingersoll Rand thap hdn so vdi sd 66 md via dung khf nen sang khoan dien (My) w deu dang dtfpc stf bang gieng dtfng Sd 66 - thiiy ltfc, ttf cdng sua't nho dung rpng rai cung khong ddi hoi ap dung den cong suat Idn va ra't Idn, Cac thiet bi xiic bdc cung cac thiet bj thi cong, phu trp ttf cac thiet bj khoan cam tay ra't da dang vdi nang sua't cao, cao bang gieng dtfng hang nhe chuyen sang xe ki'ch thtfdc nho gpn cd the lam Ngay nay, tai cac ntfdc c6 khoan ttf hanh, ttf mpt can viec vdi cac kieu dja hinh nen c6ng nghiep mo phat khoan den nhieu can khoan, Nhtfng nam trtfdc, mpt sd trien, cac thiet bj dao cd gidi thi'ch hdp vdi cac kieu tiet dien mo ham IP, td hpp khoan va hien dai, ttf dpng hoa b mtfc gtfdng da dang, thi'ch hpp vdi xuc bdc stf dung cho dao IP da dp cao dtfdc ap dung thi cong nhieu loai gdc nghieng ham nhtf MDHb hay 2nHB2B KHCNM S 1+2/2010* CNKT HAM LO Thong tin khoa hpc cong nghe m o (Kopeysk, Nga) dtfpc stf dung rat phd bien Hien tai, mpt sd dang may xuc thong dung dtfpc stf dung thi cdng cac dtfdng 16 nhtf cao vd MDH, 2nHB2 (Kopeysk, Nga), chung CO the boat dpng dtfpc nhtfng dtfdng 16 co 66 ddc khong cao ( May xuc lat hdng (ho$c td hap khoan + xOc)=> Mang rdt dieu hda, mang cao (treo, ho$c d$t n4n)=> Citu bSng tai treo => Bdng tai cd djnh => Bunke trung gian => dtd => Bai thai Thong tin khoa hpc cong nghe m o Sang Phdn tich uu— nhupc didm cua cdc phuong dn Phtfdng an Sd cong nghe Dieu kien dja chat ap dung Lfu diem Nhtfdc diem (1) So cong nghe stf dung xe khoan ttf hanh, xuc bang may len bang tai treo di dpng ket hdp bang tai cd djnh dat dtfdi nen 16 Van chuyen ngtfdi va vat lieu bing he thdng van tai cd gidi treo tren monoray Trong dieu kien dat da c6 he so kien cd ttf trung binh den rat ctfng - Tdc dp dao 16 ttfdng do! cao - / ^ toan cao - Dao dtfdc nhieu loai dat da - Stf dung it lao dpng thO cong - Dau ttf ttfdng doi Idn - Chi thi'ch hdp vdi cac 16 c6 gdc nghieng < 25 - Khong stf dung dtfdc toi da ti'nh lien tuc cda he thdng bang tai (2) Sd cong nghe stf dung may combai dao 16 bang chat tai len bang tai treo di dpng theo may ket hdp vdi bang tai cd dinti dat dtfdi nen 16 - Tdc dp dao 16 cao Trong dieu - MiiC dp an toan rat cao kien dat da - Stf dung it lao dpng CO he sd thii cong kien eo - Tie't dien cat tot trung binh - De dang chuyen doi 100 hinh dang tiet dien gudng < - Khong gay viing pha MPa hOy xung quanh gieng (3) Sd cong nghe stf dung khoan tay, xuc bang may cao da len goong, keo goong bIng tdi true (4) Sd cong nghe stf dung xe khoan ttf hanh, xuc bang may len goong, keo goong bIng tdi true CP the eoi day la mpt sd 66 cdng nghe mau de ap dung tai cac cong trinh thi cong gieng nghieng tai Viet Nam Tuy nhien, sd 66 se khong phat huy nhieu hieu qua neu: * Chieu dai gieng nghieng nho hdn 1000 m; * Gdc nghieng cOa gieng Idn hdn 25°; - Khong hieu qua ne'u da't da cd dp ctfng > 120 MPa - Khong hieu qua ne'u gdc nghieng >12 - Khong hieu qua neu dieu kien nen 16 qua yeu, nhieu ntfdc - Dau ttf ban dau Idn, gia cao - Stf dung nhieu lao dpng thii cong, nang nhoc - Tdc dp dao 16 tha'p - Dau ttf ban dau tha'p - Ti'nh an toan van tai - Ddn gian thap - Phiit tap va tdn kem chieu dai gieng Idn hdn 700 m - Ti'nh dong bp tha'p nen khong phat hUy dtfpc nang Trong dieu suat cOa may xuc va may kien dS't da - Dau ttf ban dau trung khoan c6 he sd binh - Td'c dp thap kien co ttf - Ddn gian - Mtfc dp an toan van trung binh - Stf dung ft lao dpng tai tha'p den rat thCi cong - Phtfc tap va to'n kem ctfng chieu dai gieng Idn hdn 700 m Trong dieu kien d^t da c6 he so kien c6 ttf trung binh de'n ctfng * Tiet dien gieng nghieng nho hdn 15 m; * Khdng e6 phtfdng an xtf 1^ da qua ed; * Thieu cau truyen tai rdt trtfdt tren bang tai nen; * Gieng nghieng dtfa vao stf dung khong stf dung lai dtfdc he thdng bang tai da diing thi cdng KHCNM s d 1+2/2010* CNKT HAM LO IV Ke't luan Hien nay, cac mo khai thac cang xudng sau, cong sua't thiet ke va theo tiet dien cung cang Idn hdn Vdi dieu kien thi cdng cang phtfc tap, ddi hdi tdc dp dao 16 nhanh, kha nang ve c6ng nghe va thiet bi hien tai ciia cac mo ham 16 kho c6 the dap tfng dtfdc yeu cau cCia san xua't Thong tin khoa hpc cong nghe m o TH«tf T j l l M k H M I A W T A I W = — ' - - - —'' '"-^j^^^^^^T^^^^ Hinh So dd cdng nghe dexuat De giai quyet van de nay, Tai lieu tham khao can dau ttf day chuyen thiet bi [1] Vien Khoa hoc Cdng Cd gidi hoa dao gieng nghieng nghe Md - TKV, 2009 Nghien CO nang sua't va dac ti'nh ky cUu bien phap nang cao toe thuat phu hpp nham dat dtfdc dd dao gieng chinh mUc +30 ^ tdc 66 dao 16 cao Trong ttfdng -212,62 va gieng phu mUc +30 ^-175md than Nga Hai, Cdng lai gan, ma kha nang dau ty Xay dung Md Ham Id I ttf cac day chuyen cd gidi hoa TKV ddng bp chtfa kha thi thi viec [2] Pham Minh DOc, Cd gidi hoa ttfng phan Nguyen VSn Phuang & Pham day chuyen thi cong hien Tien VO, 2009 Thuc trang thi nhtf thay the khoan thii cong cdng gieng nghieng tai cac md bang cac xe khoan, xuc bdc than ham id Viet Nam va mdt sd de xuat de nang cao tdc thu cong bang cac may xuc, va an toan thi cdng thay the he thdng van tai Thdng tin khoa hoc cdng nghd godng - tdi true bang he thdng Mdsd 2/2009 van tai bang bang tai lien tue [3] Vien Khoa hoc Cdng la can thiet Tuy nhien, b ttfng nghe Md - TKV 2008 Ho sa dieu kien cu the can xet den du an "Dau tu day chuyen cac chi tieu kinh te, ky thuat thiet bi, nang cao ndng luc dao gieng nghieng Khe Cham de c6 cac giai phap cong nghe Ill-Cong ty Xay dung Md Him cu the./ Id I - TKV" KHCNM S 1+2/2010* CNKT HAM LO [4] Vien Khoa hoc Cdng nghe Md - TKV, 2006 Ho sa du an " Thiet ke ky thuat thi cdng day chuyen dao gieng nghieng sCt dung xe khoan BFRK1 mUc +125^50 khu Than Thdng, Xl nghidp than Nam Mdu - Cdng ty Than Udng Bi" [5] Pham Minh Ddc, 2005 Nhu cau ve su phat tridn ca gidi hda dao, chdng Id cac md than ham Id nhCtng nam tdi [6] Pham Tien Vu, 2006 Ca gidi hda khai dao cac cdng trinh ngdm [7] Pavel.Y Bolshakov The coal industry of Ukraine on the course of production and concentration intensification of coal mining process [8] Jack Freymuller, 1999 What's new in Drilling and Blasting ... BFRK1 mUc +125^50 khu Than Thdng, Xl nghidp than Nam Mdu - Cdng ty Than Udng Bi" [5] Pham Minh Ddc, 2005 Nhu cau ve su phat tridn ca gidi hda dao, chdng Id cac md than ham Id nhCtng nam tdi [6] Pham... dung tai cap gieng nghieng +125 -^ 50 khu Than Thiing, CPng ty TNHH MTV than Nam M l u - dtfng Mo ham 16 - TKV dau ttf eac day chuyen thiet bj cd gidi hoa mtfc cao de thi cong cap gieng nghieng Khe... 16 gieng nghieng md via khai thac quang b Nam Phi, tdc dao 16 da dat xap xl 200 m/thang De CO dtfdc tdc 66 viec cd gidi hoa ddng bp thi cong da dtfdc ap dung CPng tac khai dao dtfdc thtfc hien