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Thong tin khoa hoc cong nghg mo "W KET QUA AP DUNG CONG NGHE KHAI THAC LO CHOf VIA DOC NGHIENG CHONG GiOr THUT NGHIEM BANG COT THUY LUC DON KET HOP XA KHOfP tai miifc +140/+200 via 18, khu Trang Khe,[.]
Thong tin khoa hoc cong nghg mo "W KET QUA AP DUNG CONG NGHE KHAI THAC LO CHOf VIA DOC NGHIENG CHONG GiOr THUT NGHIEM BANG COT THUY LUC DON KET HOP XA KHOfP tai miifc +140/+200 via 18, khu Trang Khe, Cong ty than Hong Thai For increasing the mining efficiency under the conditions of ThS TRAN TUAN NGAN the medium thick and gentle dip to inclined coal seams for the ThS TRAN MINH TI£N coal seam N018 of Trang Khe area Hong Thai Company Hong Thai Coal Company has coordinated with Institute of Mining Vi$n Khoa hpc COng nghi Md - Vinacomin Science and Technology (IMSAT) in study and development the pilot application of the mining flowsheet for the longwall under the diagonal and graded stope form, using jointed single hydraulic supports at the level of+140/+200, the coal seam N018 of Trang Khe area This paper introduces the results from the application of the above mentioned mining technology Via 18, khu Trdng Khe, Cdng ty than Hing Thdi thuoc logi via ddy trung binh, gdc d i e thoai d^n die nghieng Cau tao v?a tu dan gian d i n phuc tgp, v?a ed tu -^ Idp dd kpp vdi ting ehilu ddy trung binh 0,7m, gdc d i e via td 30° -e- 50°, tmng binh 42° Vdeh tn/c tilp v?a than Id set kit mdu xdm den, tilp theo Id bgt kit Vach ca ban chO y l u Id cdt kit, ddi chd la eat kit va sgn kit Try tn/c tilp cug v?a Id set kit, dudi Id Idp bgt kit cung Tapdc day, d l khai thdc via 18, mue +30/11 v?a, Cdng ty than Hing Thai da dp dgng mot s l loai hinh edng nghp khai thdc: (1) cgt ddi theo phuang, ehIng giu bang c|t thuy lyc dan kit hgp vdi xd khdp gdc die via a 35° da dp dgng cdng nghp khai thdc cgt ddi theo phuang, ching giu Id chg bing gid khung thdy tyc di dOng logi GK/1600/1.6/2.4/HTD Tuy nhien vi§c thu nghipm khdng thdnh cdng nen sau Id chg phai chuyin sang ching giO* bing vi ching go Vipe ching Id ehg bang g l Idm tang chi phi khai thdc, edng suit vd ndng suit lao dgng thip, muc an toan edn hgn ehi vd diiu ki^n Idm vipe cua cdng nhan g$p khd khan De khac phyc nhung khd khan cua vi$c ching Id ehg bing go vd dk thye hipn chu truong cua Tdp dodn, Cdng ty than Hong Thdi da phii hgp cung Vipn Khoa hgc Cdng nghp Md nghien cuu, dp dyng sa cdng nghp khai thdc Id ehg su dgng cot chong thuy lyc dan diiu kien gdc die v?a a >35° d i u tu, Gidm doc Cdng ty TNHH MTV than Hing Thai phd duy$t Cull thdng 6/2013, Cdng ty than Hing Thdi phii hgp vdi Vi0n Khoa hgc Cdng ngh$ Md triin khai dp dgng thi> nghidm edng ngh$ ndi tren vdo thyc t l san xult Kit qua dp dung cong nghp thyc t l Id chg Trdn eg sd thilt k l dugc phe duypt, Vipn Khoa hgc Cdng nghp Md da phii hgp vdi Cdng ty than Hing Thdi tiln hdnh triin khai cae ndi dung cdng vipe sau d l dua edng ngh0 vdo dp dyng thu nghipm: Can CLT ch? dgo cua Tdp dodn - Chuin bj, tap kit vdt tu, tgi Cdng vdn s l USHTDHSX- thilt bj phyc vg cdng tdc khai KCM ngdy 26/3/2013, Vipn thdc Khoa hoe Cdng nghp Md dd - Dao tgo, hudng d i n \ ch6ng g6 sang chong cOt thuy lyc dpn, hp chieu khiu ch6ng du'a gu'png 16 chp ve dang ph6i hpp hp ehilu chong giu' va khai thae 16 ehp, quy trinh khai thae 16 ehp, hp chieu thu hci cpt thuy lyc dpn kit thi!ic dl$n khai thae va cac bien phap ky thuat an toan cua cong nghe Sau hu'O'ng din, dao tao l!? thuylt da kilm tra sat hsch c i p chCfng chi dao tao eho 146 can bp va eong nhan cua phan xuc-ng khai thac ap dgng e6ng nghe thep Quylt djnh s6 213B/QeKTHL 25/6/2013 eua Vipn tru'p'ng Vien Khpa hpc Cpng nghp Mo hypng dan, gidm Scit cua can bp ky thu^t Vipn Khpa hpe C6ng nghp Me vd Cpng ty than Hing Thai, c6ng nhan Phan xyp'ng khai thac da tiln hanh khai thac 16 chp mye +126 + +200 via 18, khu Trang Khe thep cac giai phap cpng nghe thilt ke dypc phe duypt Ccng tac khai thdc 16 ehp ap dung cpng nghp dypc t i l n hanh thee eae giai dean: chuyen doi tCr 16 chp ching gd sang ching cpt thiJy lyc dpn vol xa khpp, khau chong tap bae Chan khay dya gypng 16 ehp ty dpng thing ve dang xien ehep, khai thae thypng ky 16 chp dpng gypng phii hpp giya xien chdc vd chia bdc chan khay; khiu Cheng dya 16 ehp ve dpng gypng thang va thu hei vi ching c6t thiJy lyc don vpi xa kh6p k i t thuc cong tdc khai thdc Cong tde ching chuyin doi ty vi chong g6 sang chong cpt thuy lye don v6i xa khpp dypc thyc hipn tCf ngdy thang 28/6/2013 d i n 01/7/2013 L6 chp sau hpdn thdnh ching ehuyen d i i dypc k i t c l u gem 90 vi ching cpt thiiy lyc dpn DZ-25, xa khpp HDJB-1200, v6i khpang cdch cde vi ching theo hyp'ng d i e la 0,8m Ty ngdy 02/7/2013 d i n ngdy 04/7/2013, Phan xypng da t i l n hanh khiu cdn ehinh dtra gypng ic ehp v l chan khay DP ceng tdc ching chuyin d i i d y p c thyc hipn tai 16 ehp ching gc dang khai thdc nen giam he't dypc c i n g dean phd hpa ban dau dd vach Cong tde khai thac thy6ng ky 16 chp bat d i u ti> 13/7/2013 d i n ngdy 10/8/2013 Trpng qua trinh khiu thypng ky, gypng 16 ehp luon tri chan khay, d i u 16 chp luon vypt trypc ehan 16 chp ty 18 -^ 20m, gpc d i e bilu kiln 16 chp khpang 35° Gong tdc khai thac 16 chp dypc tiln hanh theo dung quy b) Dao tao, hw&ng dan ip dung thiec te Tir 28/06/2013, trien khai ap dung eong nghp vap thyc te san xuat Trpng qua trinh dp t i l p tyc hy6ng d i n va thep dpi qua trinh cip dung cong nghp Qua giai doan dao tao, h i u het cac can bp, cong nhan tham gia da nam vyng hp ehilu khai thac 16 ehp, quy trinh c6ng nghp khai thac, nhij'ng quy djnh v l an toan cua edng ngh$ va xi> ly mpt so sy CO phat sinh c) Ket qua cdng tac Ithai thac id chgf TCr 28/6/2013, dydi sy c Khong gian luong gwang 16 cha d Khong gian ludng bio ve !0 cha Hinh MOt s6 hinh inh tmng qui trinh triin khai ip dijng thir nghi$m KHCNM S6 9/2013' CNKT HAM LO Thdng tin khoa hoc cong nghe m o trinh cdng nghp da dugc phe duy^t bao gom edc cdng dogn chinh nhu: cOng c l Id ehg, khiu guang, tai than, ching Id, chuyin mdng trugt, chuyin gdnh tdng cudng, cui Ign, thu hii cgt vd ddy xd lulng bao vp T u n g d y 11/8/2013 Id chg chuyin sang giai dogn k h i u ching dua Id chg t u dang xien cheo v l dgng t h i n g d l thu hoi vi ching cgt thuy lyc dan vdi xa khdp k i t thCic cdng tdc khai thac Mgt so hinh anh qud trinh triin khai dp dyng thu nghi$m dugc the hipn tr§n hinhl MOt so ch? tieu kinh t l , k j thugt ea ban cOa Id chg thu nghi$m, so sdnh vdi thilt k l duge ting hgp bang Ddnh gid k i t qua dp dyng thyc t l a) Ve dieu ki$n dta chit khu vyv ap dyng Qua thyc t l khai thae eho thiy, dieu kipn dja chat tgi khu vyc Id chg muc +126 ^ +200, via 18, khu Trdng Khe tugng d i i thugn lgi vipe dp dyng cdng nghp khai thae gygng Id ehg phii hgp giu'a xiSn cheo va chia bgc chdn khay, chong Id bing cgt thuy lye dan - xd khdp Cgp nhdt qud trinh khai thdc, chilu ddy v?a thay d i i ti> 1,8 ^ 2,7m, gdc die v?a tu 38° + 40° tuang d i i I n djnh vd khdng thay d i i so vdi danh gid cua thilt k l Than via khd mem song cd tinh deo cd ldn cdc Idp kpp Id set k i t nfin guang Id I n djnh, k i t hgp vdi vipe tgo gygng Id chg xi6n chdc n&n khdng xay hipn tugng Id gygng D i i u ki^n vdch try via cung tugng duang so vdi thilt k l nSn cdc giai phdp thilt k l c h i n g giu va d i i u khiin dd vdch d i u thyc hipn dugc Do d i i u kipn dja c h i t khu vyc 16 chg on djnh nen qud trinh dp dgng thu nghiem khdng gdp cac s y eo lien quan, cdng tdc khai thae triin khai thudn Igi Tuy nhien, thdi d i l m dp dyng thd nghi$m cdng nghp vdo mua mua, khu vye khai thac gan be mgt dja hinh nen lugng nudc chay vdo Id nhCrng mua tang len, song dd khic phgc dugc khd khan bang each tdch nudc, khdng cho nude tu cae khu vuc da khai thdc phia w tren chay vdo Id chg b) Ve hg chieu chSng giii' 16 chg' Vdi vlpc SLF dyng cgt thuy lyc dan DZ-25 k i t hgp xd khdp HDJB-1200 d l chong giii- Id chg, tinh trgng Id chg cung vO'ng, an toan vd dat c h i l u cao thilt ke Thyc t l , qua trinh khai thdc thl> nghiem khdng xay hi§n tugng tyt Id chg, mdc an todn vd d i i u ki$n Idm vlpc cua cong nhan dugc cai thi$n so vdi 16 chg ching glQ* bang gd Cae giai phap duge thilt k l de xuat b l sung cho diiu kipn gdc d i e via eao, dd vdch khd diiu khiln phin Idn cung phdt huy tdc dyng tot, cy t h i nhu: Bing Mdt s6 cM tidu kinh ti kp thuSt ca bin cua Id chcr Khoi TT Ten chi mu Don V luting Thiet lie Thtfcte Chi^u ddy via trung binh m 2,2 1,8-2,7 Chieu cao khdu 16 chp m 2,2 2,2 Chi^u deli trung binh 16 chp m 92 72 G6c d6c via trung binh dO 38 37-40 Ty trpng trung binh than T/m= 1,73 1,73 Chieu ddi khau cua m$t chdn khay m 7,2 7.2 Chi^u rOng bdc ch3n khay m 1,2 1,2 So khay k h i u dong thpi khay ChiSu r6ng Iu6ng khau tpi mSi chan khay m 1,2 1.2 10 San lu'png than khai thdc m6t ngdy d@m T 265 272 11 San lu'png than khai thdc mOt thang T 6.625 8447 12 Ndng s u i t lao d$ng tn/c ti4p T/c6ng 2,94 3,7 13 Chi phi thuoc no cho 1000T than kg 144,2 195 14 Chi phi kip no cho 10OOT than cdi 577 663 16 Chi phi mdt 16 chuan bi cho 1000T than m 11,7 16 Chi phi g6 cho 1000T than m» 22,1 22,2 17 Chi phi d i u nhO hda cho 10OOT than kg 104 138,9 18 Chi phi lu'di thdp B40 cho 1000T than kg 990 903 19 Ton thdt than theo cdng ngh$ % 18,1 18,4 KHCNM S 9/2013* CNKT HAM L Th6ng tin khoa hpc cong nghe mo - Giai phdp chong d t thuy lyc sdu xuing nen 16 ti^ 0,15m + 0,20m: Ba khac phyc hi$n typng trypt d l c|t, 16 chp I n djnh, k l ca treng diiu kien dO d i e via cap, try via la Ipp set kit, day tir 0,3m + 0,5m - Giai phdp x I p be sung cui Ipn gS tang cy6ng 6' luong bao v$: Ba nang cao mire dp I n dinh, tang myc d | an toan cho a Theo thiit ki 16 chp, dp lyc 16 ehp on djnh Hinh ed sung cucic chin vi Tuy nhien, cdc cui dypc x I p p vj tri tilp giap giya eac bpc bij thSm d i t dd phd hoa, chdn khay, gypng 16 ehp c6 khdng gian phia sau 16 ehp diu vypt trypc so vpi chdn 16 luon dypc l i p diy chp, dp vdy, d i t dd phd hpa d) Ve mCrc dp an toin cua trdn vdp gypng 16 chp, gdy kho cong nghe khan eho eong tac thdc chuyin Trpng qud trinh dp dpng thy cOi Ipn D l khac phyc hien typng ndy, da bo sung them nghiem eong nghp tai 16 ehp eype chan tai luong phd hoa myc +126 + +200, via 18, khu phia tren vj tri xep cui Ipn vd Trang Khe khong xay s y tri them mpt vi chong CO mat an todn, oa mOt chdn khay nen cong tdc dieu kipn goc d i e via eao Dd xudt mpt s6 giai thdc chuyin diln thuan Ipi, phap k h i c phyc cac tdn tai an todn hpn (hinh 2) - Kit elu moc lien kit cpt xd CLia cong nghp chya hpp ly: Thep thilt k l , kit Qua thpi gian dp dgng thi> c l u ndy g i m mpt dpan xich dai nghipm, bdo cdo de xult mpt 250mm, mpt dau gdn e l nghiem, a l u cpt va xich lifin k i t , thay vach tryc tilp Id set kit d i sap dpi moc treo vao xa bang cdc d l , ddy trung binh 2,5m, tam I p , dau tren cac tam op sdp d l khong l i p d i y khoang d y p c liSn k i t theo dpng ban khing gian phia sau 16 chp, le, d i u d y p i lien ket b i n g bu dac biet Id phin d i u 16 ehp, long CO l5 treo mpc lien k i t treng phpm vi cdch 16 dpc via vpi xich Ben epnh d6, nhifng thong gi6 ty 10m + 15m V6i t i m op c6n co tac dgng giai phdp khoan b i n try than 16 de dinh vj khoang each opt, dpc via thong gid mye +200 da tpp thudn Ipi trpng thap tac KHCNM S6 9/2013" CNKT HXM L vmit^duYWHiMiB b Theo giii phip aiu chinh tri vl ch6ng tsi cic chin khay dyng cpt c h i n g K i t elu lien kit giu'a cpt va xa trypc vd sau hcdn thipn dypc t h i hi$n trSn hinh b) Hoin thi^n hp chieu chong giu' Id chf Thep thilt k l , hO chilu Cheng gii} 16 chp tpi cdc vj tri t i l p gidp giCra edc bdc chdn khay cht tri m|t vi ching dyp'i cCing eiJa chdn khay chilu ring t i i da (4 day xd) D l thupn Ipi vi$c thu hoi cOi Ipn tpi vj tri nay, trpng qud trinh dp dgng th(> nghipm da tiln hdnh b l sung thdm mpt hang vi ching phia trdn, liln vpi vi ching dy6i cDng eija edc chan khay c' chieu rpng t i i da (4 day xd) Tuy nhien, giai phdp ndy Idm phyc tap treng vlpc thyc hipn quy trinh ceng nghp Tren cp SP' d6, de xult tang sp lypng vi c h i n g mpt chan khay c h u y i n tiep them 01 vi, tyang dypng v6i c h i l u ddi theo hypng doc Id 3,2m, cac cQi Ipn sd d y p c x I p lui x u I n g khpang vi c h i n g Hp c h i l u d l x u l t hedn thidn, sp sanh v6i thilt k l d y p c t h i hidn trdn hinh 4 K i t lu$n o l ndng cap hipu qua khai thdc trpng d i i u kipn via day Thong tin khoa hpc cong nghg m o w trung binh, d i e nghidng tai via 18, khu Trdng Khd, Vipn Khoa hpc Cdng nghp M6 da p h i i hpp vdi Cdng ty than Hing Thdi nghidn eyu, d l xult vd triin khai dp dgng thi> nghiem tai 16 chp myc +126 + +200, via 18, khu Trdng Khe sp d i e6ng nghp khai thdc 16 chp xien cheo vd chia bae chdn khay, ching 16 bang cpt thuy lye dan - xa khpp Hinh Kil ciu liin kit giOa eft vi xi a Theo thiit ki b Bi xuit hoin thiin Hinh H9 chiiu ching gid m(t do?n chin khay Id chg Sau hon mpt thdng dp dgng thy nghidm, 16 chp da khai thdc dypc 11.219 t i n than, cde chi tidu kinh te ky thuat cp ban eua cong nghe dat dypc typng dypng v6i thilt k l dpt vd cao hpn han so vol cong nghp khai thdc ching giCr bang go da dp dung cung dieu kipn Hon nu'a, vipe dp dyng so d i c6ng nghp ndy da gdp phin ndng cao myc dp an tpdn, cai thipn diiu kidn lam vipe chp ngy6i lap d6ng Vpi cae kit qua dd dat dypc, de nghj Cong ty than Uong Bi vd Tap doan Cong nghidp Than - Kiiodng sdn Vidt Nam cho phdp triin khai dp dgng thy nghipm tilp cho 16 chp myc +30/+126, via 18 khu Trdng Khd vd 16 ehp +30/+120, via 47, khu Hing Thdi, nham nghidn eyu hcdn thipn vd mp' rpng c6ng nghp./ rdf li^u tham khao Bdo cdo: "Ket qui ip dung thiy nghidm so cdng nghe khai thie guang Id chQi dgng phdi hop giCra xiin chio va chia b$c chin khay, sCr dung vi chSng cdt thuy iuc don kit hop xi khap t^i Id cho mCtc +126 + +200, via 18, khu Trang Khe Cdng ty than Hdng Thir Vien Khoa hpc Cdng nghp Mo Vinacomin, ndm 2013 KHCNM s d 9/2013' CNKT HAM L ... Cpng ty than Hing Thai, c6ng nhan Phan xyp''ng khai thac da tiln hanh khai thac 16 chp mye +126 + +200 via 18, khu Trang Khe thep cac giai phap cpng nghe thilt ke dypc phe duypt Ccng tac khai. .. ki$n dta chit khu vyv ap dyng Qua thyc t l khai thae eho thiy, dieu kipn dja chat tgi khu vyc Id chg muc +126 ^ +200, via 18, khu Trdng Khe tugng d i i thugn lgi vipe dp dyng cdng nghp khai thae... Cong ty than Uong Bi vd Tap doan Cong nghidp Than - Kiiodng sdn Vidt Nam cho phdp triin khai dp dgng thy nghipm tilp cho 16 chp myc +30/+126, via 18 khu Trdng Khd vd 16 ehp +30/+120, via 47, khu