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Thong tin khoa hpc c6ng nghe mo Nf.niEN cuts DE XUAT HOAN THIEN M Q T SO NOI Dl NG TRONG Ql V CHL AN KV THUAT Q U O C GIA \^ AN TOAN TRONG KHAI THAC TRAN H A M LO QC\A0I:201I/BCT TS Phaag Quoc Huy, TS Bui Viet Hirag W?n Khoa hi?c Cong nghi Mo - Vinacomin Biin tap: ThS Pham Chdn Chinh Tom tit: Tf^tc te tip dyng Quy chudn ky thugt Quoc gia ve an toan khai thiic than hdm Id (QCVN 01: 2011/ BCT) cho thdy v&i s^phdt trien vuipt bgc cua khoa Ape cong nghf rnQt so dieu, khodn chtta h(yp ly chua phit hop vai dieu kifn Vi^t nam thgm chi, mgt so dieu khodn rdt kho hogc khong the ihitc hi?n dOng theo quy dfnh tgi Quy chudn Tnrac tinh hinh do, ddu ndm 2016 Tgp dodn Cong nghiep Them - Khodng sdn Vi^t Nam da giao cho Vi?n Khoa hgc Cong ngh4 Mo - Vinacomin thuc hi$n de tdi "Nghien tniu de xuat hodn thi^n mgt so ngi dung Quy chudn hy thugt Quoc gia ve An toan khai thdc than hdm Id QCVN 01: 2011/BCT" de co ca s& de nghi Bg Cong thuang diiu chinh quy chudn yi0c dieu chinh, hodn ihi^n Quy chudn, khong nhOng giup ndng cao hi?u qud cong ldc cm lodn irong khai ihdc than hdm 16 md gop phdn ldm gidm chi phi khai thdc Bdi viet phdn tinh ket qud nghien cuu bu&c ddu cua De ldi Irong xdc dfnh nhirng Ion Igi ciia QCVN 2011/BCT, dong thai de xuat hodn ihifn mgi so ngi dung cua Quy chudn, v&i muc lieu trcmh thu y kien dong gop cua cdc nhd qudn Iy, ctic chuyen gia vi Hnh vuc ndy, ldm ca sa de hodn ihi^n de lai 1.D$tvdnd4 Tnrdc isay, van ban phap quy vi^c quan ly ky thudt an todn khai thdc hdm 16 than va di$p thach, Id "Quy pham An todn cdc hdm 16 than vd di$p thach" (TON 2006) Tdi lieu ndy chu y^u 6\jtyc bien djch tO tdi li^u tutmg Crng cua Lidn Xd (cu), m6t s6 n$i dung khong phu hop v6i di^u ki$n Vi#t Nam Sau mOt thd'i gian dp dgng Quy pham n6i tren da du^c di^u chfnh hodn thi§n vd ndng cdp thdnh 'Quy chuSn Ky thudt Qu6c gia v^ an todn khai thac than hdm 16" (QCVN 01:2011/BCTl Thi/c t l ap dgng Quy chudn thd'i gian qua cho thdy, va\ sy phat triln vu-gl bdc cua khoa hgc cong ngh?, mpt s6 dilu khoan cua Quy chuiin chu-a sat thyc t i m^t s6 dilu khoan rdt kh6 hodc khfing t h i thyc hi^n duvc Don cir, nhi/ quy djnh khai thac cdc via than co tinh ty chdy, Quy chu^n quy dmh phdi mof via bdng cdc duwng 16 ddo da (16 dpc via, xuyen via 16 nghieng), vd phai chen 16 todn phdn d l dieu khiln da vach Thyc t l , hi|n nay, co mOt s i mo than dd xay chay npi sinh, nhimg dtwra t h i dp dgng khai thdc bdng chen 16 Trwffc tinh hinh do, ddu ndm 2016, Tap dodn C6ng nghiep Than Khodng san Viet Nam Be; dd giao cho Vi|n Khoa hgc Cdng ngh$ Mo Vinacomin ^ y c hign d l tdi "Nghi§n ci/u, d l xudt hodn thiin m$t s6 n$i dung Quy chudn ky thudt Qu6c gia v l An toan khai thdc than hdm 16 QCVN 01: 2011/BCr d l c6 cc scr d l nghj Bp Cdng thi/crng st>a d i i quy chuin D l tdi dipp'c dy kiln se hoan thdnh vdo thdng 6/2017 Thyc hi|n nhi|m vg du-p-c giao, V\^n Khoa hpc Cdng n g h | Mo da khdn trucrng triln khai thyc hien d l tai n6i tren Tren ccr so' phdn tich nhung t i n tai cua Quy chuin hien hdnh QCVN 01: 2011/BCT, d l tai se nghien cCru d l xuit hodn thien m$t s6 ngi dung cua quy chudn ddp ung mot sd tiSu chi sau: 1) Bd cgc rd rdng, d l hilu, lam rd trach nhi$m cua tCfng d i i tu-cmg; 2) Cdc quy djnh du-a phai thyc hi$n du^c; 3) Giam chi phi ddu tu" nhung vdn ddm bao an toan D i n nay, d l tdi da du'a m$t s i d l xuit viec si>a doi, hodn thien Quy chuin Theo k l hoach, sap td'i, Vi|n Khoa hgc Cdng nghe Mo se t l chirc Hgi thao, dd, nhOng d l xudt cua d l tdi, ddng bdi ndy la ca s ^ d l cac chuyen gia se cung xem x6t, nhdm si>a d i i , hodn thien Quy chuin KHCNM vft i i : i Thong tin khoa hpc cdng ngh$ md Tdng quan quy ph?m an toan cua mpt sd nipd^; Trong vide thyc hidn guy ca tich tg cgc b$; - Nguy ca chdy n l cao, n l u khdng xu ly tich tg triet d l sau dao chilu gid Ngoai ra, v i ^ dao chilu gid cung gdy kho khan, cho cdng tdc qudn ly mo, nhit Id d i i vdi h$ thing thdng gid phCrc tap Nhilu nir&c dd bd quy djnh v l dao chilu gio 3.3 Quy (cdc khu vyc khdng cd nguy cp chdy/ nd mdtan), d l tdi d l xuit khflng ein phdi ddo chilu gid (xod bd myc dilu 49, thudc QCVN 01: 2011/BCT) 4.3 Quy dinh vi cdng tic xep h^ng md theo mdtan Tren co sd k i t qua tdng quan cdc phypng phdp phdn hgng md tgi mflt sd nyde trdn thi gidi, nhQ'ng tdn tgi dypc phdn tich vd ddnh gid, d l tdi d l xuit chfnh sya, tsd sung quy djnh phdn hgng md theo mdtan nhy sau: - Bd quy djnh v l x I p hgng md theo dd thodt mdtan tyong ddi (IVIyc 2, Oilu 51) - Bd sung cdch phdn hgng via, khu vye via theo dd chya md tan vd dfl thodt mdtan tuydt ddi vd phdn hgng cdc dydng Id (khu vyc dyfl'ng Id) theo mirc dd nguy hilm nd a Phin h$ng via ho$c khu vuc via theo dd chua mdtan tu nhidn Vide phdn hgng dypc tiln hdnh trpng giai dpgn thdm d6 tdi nguydn vd xdc djnh trO' lypng, m i u than l i y tir cdc id khoan thye hidn tir mdt d i t td'i cdc via dypc dem v l phdng thi nghidm d l phdn tich xdc djnh dd ehya mdtan ty nhidn cua via Trong qud trinh khai thdc, tiln hdnh khoan l i y m i u than tgi cdc gyong Id chuin bj ddo than Id chp Id thypng Id xuydn via than d l phdn ti'ch xdc djnh dd chira metan cua via Cdc via hodc phin via dupc xIp hgng theo y l u td dd chira md tan ty nhidn nhy sau: b Phin h^ng via hoic khu vifc via theo dd chira mdtan tw nhidn vi dd thoit tuyit 4.1 Quy dinh ve nhiet dQ khdng md doi him Id Vide phdn hgng via hodc khu vyc via dya Cdn CU' vao hypng d i n tinh todn nhidt dd nai theo dd chira mdtan t y nhidn cua via chl lam vide ciia Bfl Y t l vd tham khao nhidt dp tdi phii hpp dang ddp nhOng dydng 16 chuin b| da cho phep tgi npi lam vide him Ifl tgi than tgi edc via chya khai thde mflt sd nuflfc tren t h i giflri, ad tai d l xuit sira ddi Tryfl'ng hpp via cfl s y thay ddi v l dp Iyc quy dmh tai Oilu 41, Khoan thupc QCVN 01: anh hypng cua khai thdc thi mdtan cd Ihi 2011/BCT nhy sau: "Nhidt dp khdng trdn vdo dydng 16 tir cdc khu vye khdc, dfl gyong khiu, cung nhy cdc gyong 16 khdc ,trong qud trinh phdn Ipgi via ngpdi dd chura ed ngu^i dang lam vide tdi da Id 32oC, nhidt dd mdtan ty nhidn, c i n dya trdn cd dd thpdt phdi bd sung phypng phdp vd cdch thirc phan Ipgi than ty chdy vde quy chuin 3.6 Quy dinh ve h$ thing quan trie mo Dilu 56, Muc 12 quy i^nh md logi III trd len v l metan mfl'i c i n lap dgt hd thdng quan trie tap trung ty dpng Tuy nhidn thyc t l , nhilu md logi II theo metan da xay cdc vy tai nan chdy metan nghidm trpng nhy tgi Cflng ty 86 (2012), Cong ty than Hg Long - Cflng tryfl'ng Ha Rdng (2016) Vi vgy quy i^nh hidn hanh ddi vd'i ndi dung ndy Id khflng hpp ly, c i n phai xem xdt dilu chinh 3.7 Quy dinh vi khu vuc mien trie Cflng tde xde djnh khu vye miln tn> Id bycrc quan trpng edng tdc dau ty, sir dyng trang thilt bj dipn md ham Ifl, cong tac ddnh gid muc dp nguy hilm v l mdtan, tip d6 Idp bidn phdp an todn cho khu vyc sdn xuit v l cdc hilm hpa chdy nd mdtan Cdc khu vyc midn trif dypc phdp si> dyng thilt bj didn md thdng thufl'ng nhdm giam chi phi d i u ty cdc trang thilt bj md him Ifl Tuy nhien, quy djnh v l cflng tdc xdc djnh khu vyc miln tru* chya dypc d l cdp tgi QCVN 01: 2011/BCT c i n phai bd sung 3.8 Quy dinh vi chi thdng gid md Tgi B i l u 42, Dilm a), quy djnh tdc dp gifl tmng binh ludng gyong khiu vd d edc gyong 16 cut cfl nd, tdi thilu Id 0,25m/s Tuy nhidn, trdn thye t l , cdc logi mdy gifl khdng t h i dypc tdc dd nhfl hon 0,5m/s Dd x u i t hodn thi$n mpt sd npi dung quy chuin hi#n hanh Trdn co sd 08 tdn tgi co ban nhy dd trinh bdy d trdn, nhom thye hidn dd d l xuit hyflng hodn thidn cu thd Ngodi ra, nhom thyc hidn cung da tiln hdnh dilu chinh 81 mue thufle 51 dilu quy chuin hidn hdnh Cdc d l xuit cp ban eu t h i nhy sau: Thong tin khoa hpc cong ngh0 m o tuyet d l i Dg thodt md tan tuy^t doi duvc xdc dinh tir k i t qua dac khao sdt, l i y mdu tai cdc dirdng Id v l phdn tich D l i vdi nhung dirdng Id d y kiln dao cdn sir dgng k i t qua d y bdo dg thodt metan vd cdc d u ^ g 16 d6 Dya vdo dd chira ciia via vd dg thodt tuy$t d l i k i t hg^p vai hdm luvng metan tiong Bing BSng xip h$ng md theo dd c/)i>a Mil mi tan tl/ nhan cda via than H^ng md theo mi tan Mb khdng nguy h i l m v l Idii 5% Via hang III - B d chura md tan t y nhidn tir 4,5 d i n < m^/T^, Hdm lm;mg md tan khdng md tai cdc duVng 16 0,75 d i n < % ; Dd thodt tuydt d l i tai cdc duVng Id c h u i n bj 0.5 d i n < mVph; Od thodt tuydt d l i tai cdc id chqr 0,75 d i n < m^/ph; Hdm lugrnq khf md tan tionq khu v y c phd hod hodc chdn l i p > 5% Dd chira md tan t y nhidn a m ' / T ^ Hdm lirang khf md tan khdng khf md tai cdc du-dng Id > % ; Dd thodt tuydt d l i tai cdc dudng Id c h u i n bj >1 m'/ph; Od thodt khf tuydt d l i tai cdc Id chg >1 m^/ph; Hdm luvng khf md tan khu v y c phd hod hodc chdn l i p > 5% Sidu hang - Nguy h i l m phgt than, b i t nger - Od ctmg cua than f 42 MOO •!120 >120 R i t thip II Thip III Trung bInh IV Cao V R i t cao B0 + 0 Kha tiing twchiy ciia than 34 u v l nhilu nam qua, d l tdi d l xult phai l i p dgt hd thdng quan trie tdp tmng t y ddng ddi vdi cdc via, khu vyc via dypc x i p hgng II trd Idn v l hilm hpg me tan 4.7 Quy dinh vi khu vtfc miin ttir Qua tham khdo quy phgm an tpdn md cua mdt sd nyfl'c trdn t h i gifl'i vd tinh hinh thyc t l tgi cdc md h i m Ifl, d l tdi d l xult bd sung nfli dung quy djnh v l khu vyc miln trir nhy sau: Khu vyc miln trir Id khu vyc dyfl'ng Id khflng cfl nguy hilm v l mdtan dya trdn kit qud khdp sdt, nghidn ciru dypc thyc hidn bdi cdc cp quan nghidn eii'u chuydn ngdnh Cdc khu vyc miln trir dypc phdp sir dung cdc thilt bj didn md thdng thydng (khdng phdng nd) Khu vye miln trir dypc xdc djnh dya vdo dd chira cua via vd dfl thodt tuydt ddi kit hpp vdi hdm lypng mdtan d trpng Id, cdc via hodc phin via dypc xdc djnh theo d e ylu td nhy sau: 1) Bd chira mdtan t y nhidn khdng vypt qud 0,1m'CH4/TKC 2) Trong t i t d d c dydng Id, khflng mflt dydng Ifl ndo cfl hdm lypng md tan vypt qud 0,1% 3) Trong t i t d cdc dyfl'ng Id ehuin bj khdng mdt dyfl'ng Id ndo cd dd thcdt tuydt ddi vypt qud 0,1 m'/phut 4) Trpng t i t d cdc Id khai thdc khdng d mflt Id chp ndp d dd thpdt tuydt ddi vypt qud 0,2 m3 /phut Thdng tin khoa hpc c6ng ngh# m o him 16, Hd Npi Kdt ludn Tnrdng Dgi hpc Md - Djg chit, "Gido trinh Trdn cd sd cdc tdn tgi vd nhung dilu bit d P quy chuin hidn hdnh QCVN 01: 2001/ thflng gid md", NXB Khoa hpc vd Ky thugt, Hd BCT , thdng qua qud trinh nghidn ciru thye t l , Ndi tdng hpp y kiln d a cac don vj khai thdc than Vidn Khca hpc Cdng nghd Md (2004), d l vd cdc chuydn gia vd ngodi nydc, nhom tdi "Nghidn ciru xdy dyng phyong phdp phdn thyc hidn da d l xult hpdn thidn 81 myc ndm loai d c khu vye khai thde vd d c dydng 16 theo trpng 51 dilu d a quy ehuin vdi cp sd khoa hpc myc dfl chdy no mdtan, Hd Npi tycmg ddi diy du vd dilu kidn thyc t l Ddc bidt Eugeniusz Krause, Bodn Vdn Kiln, Id OS vin d l can ban cfl till ldm thay ddi Ion din Krzysztof Lukowicz (2003), "Phdt hign, dy bdo, cflng tdc quan ly an todn theo hydng tilt giam kilm sodt vd phdng chdng hilm hpg md tan", chl phi diu tu thilt bj cung nhy nhdn Iyc thyc Hd Ndi hidn nhyng vin dam bao an todn "Coal Mine Safety Regulations" of Japan Tii li$u tham khao: 'Mine Safety Law" pf Japan Bd Y t l (2002), Quylt dinh sd: 3733/2002/ ripaskina eesonacHpcni a yronbHux QD-BYT v l vide "Ban hdnh 21 tidu chuin vp uiaxrax (Quy phgm An todn edc md than) sinh lao dflng, 05 nguyen tic vd 07 thdng sd vd 10 ROZPORZ/\DZENIE MINISTRA sinh lao dflng', Hd Nfli GOSPODARKI (2010), •» sprawie Bfl Lao dflng Thuong binh vd Xa hfli bezpieezehstwa i higieny pracy prowadzenia (1996), Quylt djnh sd 915/LDTBXH.QD v l vide ruehu oraz speqalistycznego zabezpieczenia 'Ban hdnh tgm thflri dgnh myc nghi, cflng vide przeciwpozarowego w podziemnych zakladach ddc bidt ndng nhpc, dfle hgi, nguy hilm vd ndng gomiczych" nhpc, ddc hgi, nguy hilm, Hd Nfli 11.Tdng eye quan ly gidm sdt an todn Bfl Cflng Thyong (2011), Quy ehuin Ky sdn xult Qudc gia Tmng Qudc (2016), Quy djnh thudt qudc gia v l an todn khai thdc than an todn cua md than Study on and proposal of the improvement for some contents in the national technical code QCVN 01:2011/BCT on the safety in undergeround coal mining operation Dr PhoDg Quoc Huy, Dr Bui Viet Hung Institute of Mining Science and Technology - Vinacomin Summary: The applicalion of the national technical code QCVN 0I:20II/BCT on the safety in undergeround coal mining operation to the actual coal production has shown that, with the great development of science and technology, some articles and items are not reasonable, suitable to the level of mining technology and safety management at present, other-wise, some articles are difficult or even not followed according to the regulations of the Code In this situation, at the beginningof20I6, Vietnam National Ccxtl-Mineral Industries Holding Corporation Limited (VINACOMIN) has assigned the Institute of Mining Science and Technology (IMSAT) to implement the theme "Study on and proposal of the improvementfdr some contents in the national technical code QCVN 0I:20II/BCTon the safety in undergeround coal mining operation " and propose the Ministry ofIndustry and Trade of the Socialist Republic of Vietnam to revise the Code The adjustment and improvement for some contents of the Code, not only improvement the effectiveness of safety in underground coal mining and reduce the cost of mining The Article reflects some results of the theme, which determines the existence of national technical ctxle QCVS 01.•2011/BCT and proposed the improvement for some contents of the Code 6^ KHCNM s6 imoie • NGHIEN ciiX' TRAO OOI ... 11.Tdng eye quan ly gidm sdt an todn Bfl Cflng Thyong ( 2011 ), Quy ehuin Ky sdn xult Qudc gia Tmng Qudc ( 2016 ), Quy djnh thudt qudc gia v l an todn khai thdc than an todn cua md than Study on and proposal... phdp khai thde [7, 8), Tgi Trang Qudc, Quy chuin An todn md than, Cue quan ly gidm sdt an todn san xuit KHCNMS6 11/ 2016 - N^.HIIN C L '' U T R A D vd Cue Gidm sdt an todn Qudc gia trpng md than ban... sung quy dinh v l phflng chdng than t y chdy tgi dilu 108 thudc QCVN 01: 2011 /BCT nhy sau: 1) Ddi vdi md khai thdc than cd tinh ty chdy phai diftfc x i p hgng phdn d p md cd tinh bf chdy thep quy
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