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w Thdng tin khoa hpc cdng nghd md *'''' NGHIEN cau HP DUNG GIfll PHflP NO MIN TRONG L 6 K H O A N DAI KHI KHAI THAC VIA THAN DAY, DOC ta! cac mo ham Id vung Quang Ninh NCS NHO VI$T TUAN KS TRAN MINH Tie''''[.]
w Thdng tin khoa hpc cdng nghd md *' NGHIEN cau HP DUNG GIfll PHflP NO MIN TRONG L K H O A N DAI KHI KHAI THAC VIA THAN DAY, DOC ta! cac mo ham Id vung Quang Ninh In 2011, Institute of Mining Science and Technology (VIMSAT) has been assigned to carry out the theme "Study on the blasting solutions In the long boreholes for mining the thick and inclined coal seams at Quang Ninh underground coal mines" The fundamental target of the theme is to apply the blasting solution at the long boreholes for increasing the coal production, the coal recovery rate and the production efficiency when mining the thick and inclined coal seams NCS NHO-VI$T TUAN KS TRAN MINH Tie'N KS Le QUANG PHUC Vlgn Khoa hgc Cdng nghd Md - Vinacomin Bdng Bdng tong hgp trU Iwgng via ddy, doe tai cdc md than Theo kit qua tong hpp trQlupng vd ddc dilm dilu kidn ham Id vung Qudng Ninh dja chit ky thupt md tpi ede TrU khodng sdng than dupc khai MUe luxyng Ten via than Ten md TT ddnh gid (lo'oOT) thde bang phuong phdp h i m Id vung Quang Ninh Vidn Mpo Khd V9b, V9, V8, V7, V6, V5 -400^LV 58.939,2 Khoa hpc Cdng nghd Md thye V8, V7, V6a, V6, V5 hidn [1] eho thly, trQ- lupng Nam Miu -350-r+125 35.882,3 than ede khu vyc via day, doc Vdng Danh V4, V5, V6, V7 -350^LV 10.025,7 tinh sdu nhlt d i n mire -400 Id V14, V13, V I I , VIO Ha Lam -300^LV 6.256,1 134 tridu t i n Theo chilu ddy SuoiLai: V14, V I I , VIO -150^LV 10.116,3 H6n Gai via, tru lupng tap trung ehu ylu d gidi han m = HdRdng:V14, V13 Ha Long -150^+50 7.426,1 3,5U10,0m chilm 89% tong Duang Huy V14, V13, V12, V I I , V9, V8 -350^+38 4.658 trij' lupng ddnh gid, Theo gdc 766,3 -175^-50 Quang Hanh V7, V5 die via, tru lupng tap trung 134.070 ehu y l u d gidi hpn a > 55°, Tong cgng chilm 57,5% tong trQ' lupng ddnh gid Tong hpp trCr lupng than via ddy, doc tai cde md ham Id vung Quang Ninh dupe thing kd bang IhlJ^T C A T A • A Trong cdc nam qua, vdi mgc tidu giam ton thit than va ndng eao mCre dO an todn lao dOng khai thac via day, die, Vidn Khoa hpc Cdng nghd Md Vinacomin (Vidn KHCN Md) da phoi hpp vdi eac don vj khai thac than h i m Id nghien eCru, triln khai dp ã " jô- _ UAT C A T A • A _x MATCATB_^B |TtUMI»VU»M z^a^^ansataasaiaa C«w MATCATB-B Hinh So cdng nghe khai thac chia Idp ngang nghieng hoac chia Idp bang KHCNM S6 1/2012* CNKT HAM LO w Thdng tin khoa hpc cdng nghe md dgng cdc so d l cdng nghO khai thde chia ldp ngang nghieng (CLN) hope chia Idp bang (hinh 1) vd so d l edng nghp khai thde Id dpe via phan ting (DVPT) 6k thay thay t h i eho ede so d l edng nghd khai thde bulng O i n nay, cdc so d l edng nghd khai thde ndy da 6ugc dp dung phi biln tpi hlu hit ede md him Id vung Quang Ninh, ddng gdp 10% -f 15% ting san lupng than khai thde tir him Id hdng ndm eua Tpp dodn Cdng nghipp Than Khodng san Vidt Nam (Vinacomin), tuong u-ng 2,5 ^ tridu tIn/ndm Tuy nhidn, ede so d l edng nghd khai thde ndy edn nhung ton tai, dd Id edng suit Id ehp thip, biln tip 50 d i n 60 ngdn tIn/ndm doi vdi edng nghd khai thde CLN vd tu- 35 d i n 45 ngdn tIn/ndm vdi edng nghd phd no phdn tang, ehi phi mdt Id chuan bj eao tu- 20 -^ 35 m/1000 t i n than doi vdi edng nghp khai thde CLN vd tu' 28 ^ 40m/1000 t i n vdi cdng nghd khai thde DVPT Nguydn nhdn eo ban Id sCr dgng phuong phdp no ede l l khoan ngan (tii da 3,5m) Cdc thilt bj khoan cdn Ipe hpu, ndng lye khoan sdu kdm, phuong tidn kieh no Id kip vi sai dipn ed chilu ddi ddy din ngdn vd dO bin kdm ndn chilu cao phdn ting bj hpn chl, p h i biln tu' 6m -5- 8m Nhdm ndng eao ndng suit, san lupng khai thac, giam chi tidu mdt Id cho 1000 t i n than vd giam chlng xdn Id chuin bj, vipe nghien CCPU cdc giai phdp nang cao hidu qua khai thde cua cac so d l cdng a May khoan dien cam tay ZM-12 b May khoan nen cam tay ZQS-35 c Chodng khoan xoan rudt gd - s \ i I // d Thuoc no NTLT W^ji'L e Kip dien vi sai f Mdy no MFD-50 an toin liVD8D Hinh Cdc lo^i phuxyng tiin khoan no hiin dang sU dung khai thic via diy, doc nghd via day die hidn Id cin thilt MOt s l phuong tidn khoan n l hidn dang SLP dgng khai thde via die dupe trinh bdy hinh Tir nhCrng ndm 50 -^ 70 cua t h i ky trudc, tpi mOt s l nude cd nin edng nghidp khai thae than phdt triln trdn t h i gidi nhu Lidn Xd (cQ), Phdp, v.v da dp dgng khai thac via day, die blng cdc so d l cdng nghd khai thde su' dgng phuong phdp n l Id khoan ddi, cho san lupng vd nang suit lao dOng cao, chi phi met Id chuin bj vd t i n thit than giam Trong giai KHCNM SO 1/2012* CNKT HAM L doan nay, d l khoan cde l5 khoan dai, ngudi ta sCr dgng cdc may khoan dang cOt ehpy bdng nen, npp cac Id khoan ddi blng thu edng, SLP dgng phuong tipn kich no bdng day n l vd kip didn Trong vai thap ky trd lai day, tai cac nudc nhu Nga, Slovakia, Phdp, Trung QuIc, Ba Lan v.v da ap dgng so d l cdng nghe khai thac CLN, DVPT, n l Id khoan ddi dp dgng cho dilu kidn via day, die Trong cac so cdng nghd nay, chilu cao phan t i n g len d i n 30m, nap bang co gidi (sCr dgng nen) Vipe nang chieu eao w Thdng tin khoa hpc edng nghd md phan t i n g da gdp phan nang eao hidu qua vd an todn, nang cao ndng s u i t lao dOng Hidn nay, tpi Ba Lan, Slovakia, Thgy D i l n da dp dgng b i l n cdng nghd ndy vd eo gidi hod hodn todn tir khdu ddo c h l n g Id c h u i n bj, c h l n g giu guong, d i n vide khoan, npp n l Hinh Id hinh anh mOt so thilt bj c o gidi hda Id ehp khai thde Id dpc via phdn t i n g no Id khoan ddi tpi Slovakia Ndm 2011, Vidn KHCN Md 6ugc BO Cdng Thuong giao thye hidn d l tdi "Nghien cuu giai phap no lo khoan dai khai thac via day doc vung Quang Ninh", vdi mgc tidu ehinh Id d l x u l t dp dgng ede giai phdp no ede Id khoan ddi nham ndng eao san luong, ty Id thu hoi than vd hidu qua san xuat khai thde cdc via ddy, doe Tip nhung khd khdn, ton tai thye t l khai thde via ddy, doe vung Quang Ninh vd kinh nghidm khai thde via ddy, d i e trdn t h i gidi, d l tdi da d l x u l t SU" dung phuong phdp no Id khoan ddi dp dung eho cdc so edng nghd khai thac CLN vd DVPT, vdi vide SLP dgng vi chong thuy lyc hope gidn t y hdnh 6k chong giCp guong khai thde, su' dung mdy khoan dpng cOt k i l u dCpng hope ndm ehpy bang ndn, thuy lye, didn 6k khoan ede Id khoan ddi, SU' dgng kip phi didn an todn 6k kich no Id khoan ddi, dd, kip vi sai phi didn an todn Vipn Khoa hpc Cdng nghd Md phoi hpp vdi Cdng ty TNHH MTV Hda b Scr edng ngh^ khai thde Id dgc via phan tang no cde lo khoan ddi dp dyng t^i md Saint-Marl (Phdp) a Sa edng ngh^ khai thde buong Iwu than, no cde to khoan ddi dp dyng tai Liin Xd (eu) e Mdy khoan Id khoan ddi EBK-2M Hinh Mit so so cdng ngh^ khai thde via ddy, doe sU dyng to khoan ddi tai nuvc ngodi Hinh Mdy khoan vd ddn chong ty hdnh SLF dung sa cdng nghe khai thde Id dgc via phan tang no lo khoan dai t^i Slovakia c h i t 21 BO Q u I c Phdng c h l tpo tir k i t qua eua d l tdi e l p Tpp dodn trudc dd: "Nghien cuu san xuat kip no vi sai phi dipn an toan ham Id va ap dyng thu nghipm cdng nghp no lo khoan dai d cac md ham Id Quang Ninh" Tir cdc k i t qua nghidn cu-u eua d l tdi, Vipn KHCN Md k i t hpp vdi Cdng ty than Ha Long t r i l n khai thilt k l dp dung thCr nghipm cdng nghd khai thac KHCNM S6 1/2012* CNKT HAM L Id DVPT tpi Id ehp mu'c -25 -^ +50 via 14 khu III - Nui Khdnh, Xi nghipp Than Ha Rdng Khu vyc ed ddc d i l m , chilu ddy via tu' thay doi tu- 5,6 H- 8,0m, trung binh 6,5m; gde doc via thay doi tu' 49° H- 62°, trung binh 56°, via thuOe lopi on djnh trung binh v l c h i l u ddy vd gde doe, via ed tu' -H Idp da kep Id set than, set k i t vdi c h i l u ddy dd kep thay doi tu' 0,0 ^ 1,2m, trung binh w Thdng tin khoa hpc cdng nghe md 0,3m; vdch tryc tilp thuOc loai bin vQ'ng trung binh, tru tryc tilp thuOe lopi on djnh trung binh d i n on djnh Theo thilt k l , vide chlng giQ' guong khai thde blng gidn chlng t y hdnh, n l hp trin than bdng ede 16 khoan ddi ! „ ' VVr \ " Md ta so d l edng ngh^ khai thde dp dung, nhu sau: Cdng tdc chuin bj: chia thdnh ede khoanh, bang 16 thupng dd trung tdm, hinh cdnh khai thde, vdi chilu ddi theo phuong tu' 100 -^ 150m, tu' dd chia thdnh eac phdn ting khai thde, dilu kidn khu vyc thu- nghidm, thilt k l chilu eao phdn ting la 12,5m tuong u-ng vdi chieu ddi nghidng 15m Cde Id dgc via phdn tang dugc chuin bj thdnh tu-ng cap tuong u-ng tCr trdn xuong theo chilu doe via Cdng tdc khai thde: khai thde tirng cdnh, trdn mdi cdnh thye hidn khai thde dong thdi hai phdn tang, khoang cdch duoi giQ'a hai phdn ting dam bao khdng nhd hon 20m (phdn tang trdn tiln tarde phdn tang dudi), khlu dat v l thupng dd tmng tdm Chong giQ' guong khai thde SU' dgng hai ddn chong ty hdnh vd mOt mdng cdo chuyin tai nam giQ'a hai gidn chlng 6k van ehuyin than trin mdng cdo phia tarde Ha trin than bdng n l cdc lo khoan ddi, su' dgng kip vi sai phi didn kit hpp day n l Trinh t y khai thde gIm cde bude khoan no hp tran than ndc, di chuyin gidn chong, thu hii than tran, van ehuyin than trin va di : «'V (•j»injTa'-J' > " I , ^y ^.-qC « > T -^-rir : -jtlru-tTi -, - ' —••' ' I • ' T ~ ~ X I 1-4 •: ' •'-• K " —" - ^ - ' • ^ i , ' , \-^'V-"' ••"\ I" ^\ '^\ ^ •.^.•'• " " ,, a Sc cdng nghe khai thac c May khoan thuy Gian chong ty hanh KDT-2 lyc VPS-01 Hinh So cdng nghi khai thic 16 dgc via phin tang, n&.h cdc lo khoan ddi, chong giU guxyng khai thic bang giin chong ty hanh ehuyin eau ehuyin tai kit thue ehu ky khai thde Trong thdi gian diu, dy kiln SLP dgng thulc n l AH-1 hoac NTLT, vide npp se 6ugc thye hidn bang thu cdng, sau ed thulc n l dec se tiln hdnh npp bdng co gidi Cdng tdc van tai: Than thu h i i theo mdng cdo chuyin tai vdo mdng cdo trdn Id dpc via phdn ting, mdng truot tai cup xuydn via vd thupng dd trung tam, xuIng hp thing vdn tai chung cua khu vyc Cdng tdc thdng gid: guong khai thde dupc thdng gid cgc bO, gid speh nhd cdc quat cgc bO tren Id thupng tmng tam theo Ing gid diy vdo guong, gid thai tip guong theo Id phari ting ngodi KHCNM S6 1/2012* CNKT HAM L Cdng tdc thodt nudc: nudc ty chay theo Id dpc via phdn ting thuong dd trung tdm, xuIng hd thong thodt nudc chung cua khu vyc So cdng nghd khai thac dupe md ta trdn hinh Cdc thilt bj chinh dupc lya chpn su' dgng g I m gian chong ty hdnh loai KDT-2 de chong giCp guong khai thde, may khoan thuy lyc loai VPS-01 6k khoan cdc Id khoan ddi Trdn CO sd so d l cdng nghd lya chpn 6k tdi da tiln hdnh tinh todn cac chi tieu kinh t l ky thuat co ban cua cdng nghp (phuong an I) va so sdnh vdi cac chi tieu cua cdng nghe khai thac chia Idp ngang nghieng da dp dgng tai mo (phuong an II) K i t qua tinh toan trinh bay tren bang w Thdng tin khoa hpc cdng nghd md Bang Chi tieu kinh te ky thuit cua cdng ngh$ TT Ten chi tiiu Don vj Khoi Iwgng PAI PA II Chilu ddy via trung binh Gde die via trung binh Trpng lupng t h i tich eua than Hd so kidn d cua than (f) Chieu cao nghidng phdn ting khai thde m Chilu cao nghidng ldp than hp trin m Tien dO khai thde mOt ehu ky m 2,8 1,6 So ca hodn thdnh mOt chu ky ca Hd s l hodn thdnh ehu ky 0,9 0,9 10 S l ea Idm vide ngdy ddm ea 3 11 San lupng than khai thde ehu ky Tin 240 200 12 San lup-ng than khai thde ngdy ddm (hai phdn ting khai thde ding thd-i) Tin 408 270 San iLpqyng than khai thde 13 •thdng (hai phdn ting khai thde ding thdi) Tin 10.200 6700 m 6,5 dO Tln/m^ 56 1,64 1^2 15 _JI2,5 12,6 10 14 Cdng suit khai thde (hai phdn tang khai thde dong thd-i) Tin/ndm 15 s l cdng nhdn 16 cha mdt ngdy ddm (phue vu hai phdn ting) ngudi 66 66 16 Ndng suit lao ddng edng nhdn 16 cha Tln/e6ng 5,6 4,5 17 Chi phi thulc no cho 1000 tan than kg 80 140 18 Chi phi kip no cho 1000 tan than kip 133 270 19 Chi phi mdt 16 ehuIn bj eho 1000 t i n than m 14 20 20 Chi phi d i u nhu hod eho 1000 t i n than kg 11 100 21 Ton that edng nghd % 20 35 Tu- kit qua tinh todn bang cho thay, nhd ndng eao chieu eao phan ting khai thde bang giai phap n l cac Id khoan ddi, nen cdc chi tidu nhu san luong khai thde, nang suit lao dOng tang (khoang 1,4 iln), chl phi 110.000 80.000 met Id chuin bj giam (khoang 1,4 iln); cdc chi phi khdc (thulc n l , d i u nhu hda, kip) d i u giam so vdi cdng nghp hipn dang dp dgng Sau giai doan thu- nghipm, cd t h i xem xet tilp tgc ndng cao hon nQ'a chilu eao phan ting khai thac KHCNM Sd 1/2012* CNKT HAM LO (din 20m hope hon), dd hipu qua eua edng nghd se tilp tgc 6ugc ndng eao Trong ndm 2011, vi mOt so ly khdch quan nhu kip vi sai phi dipn an todn chua 6ugc elp phdp su' dung, gidn ty hdnh chua c h l tpo xong dd chua thye hidn 6iegc vipe dp dung thCr nghipm edng nghd- Hidn nay, gidn chlng ty hdnh KDT2 da dupc chl tao xong, ede thu tue thCr nghipm, elp phdp SLP dgng kip n l vi sai phi didn an todn dang 6ugc chuin bj Do vpy, nam 2012 so d l edng nghd khai thde Id dpc via phdn ting, chlng giQ' guong khai thde bdng gidn chong ty hdnh, no hp tran than bang ede Id khoan ddi se 6ugc triln khai dp dgng vd chdc chan se tpo bude dOt phd vide ndng eao hidu qua khai thde cde via ddy, doe tai vung Quang Ninh./ Tai lieu tham khao: Bdo cdo tong kit d l tdi "Nghidn eCru dp dgng giai phdp nd lo khoan ddi khai thde via ddy, doe vung Quang Ninh Vipn KHVN Md.Hd NOi 2011 Bdo cdo tong kit 6k tdi: "Nghidn eCru dp dung cdng nghd khai thde vd ddo Id su' dung kip vi sai phi didn phdng no c h l tao nudc" Vidn KHVNMd Hd NOi 2011 Thilt k l ban ve thi cdng dy dn d i u tu dp dgng thu' nghipm cdng nghd co gidi hda dong bO khai thde cdc via than ddy, doc tai khu Nui Khdnh Xi nghiep Than Ha Rang Cdng ty TNHH MTV Than Ha Long Vinacomin Vipn KHVNMd Hd NOi 2011 ... San lupng than khai thde ehu ky Tin 240 200 12 San lup-ng than khai thde ngdy ddm (hai phdn ting khai thde ding thd-i) Tin 408 270 San iLpqyng than khai thde 13 •thdng (hai phdn ting khai thde... lo khoan ddi dp dyng t^i md Saint-Marl (Phdp) a Sa edng ngh^ khai thde buong Iwu than, no cde to khoan ddi dp dyng tai Liin Xd (eu) e Mdy khoan Id khoan ddi EBK-2M Hinh Mit so so cdng ngh^ khai. .. chuin bj vd t i n thit than giam Trong giai KHCNM SO 1/2012* CNKT HAM L doan nay, d l khoan cde l5 khoan dai, ngudi ta sCr dgng cdc may khoan dang cOt ehpy bdng nen, npp cac Id khoan ddi blng thu