KHOA HOC VA CftNG NGHE MO y AP DUNG Ld KHOAN DAI VOTl KIP NO MIN VI SAI PHI DIEN DE TANG CHIEU CAO PHAN TANG TRONG KHAI THAC cnc vin onv DOC ini CONG TV THAN DONG VONG PGS TS T R A N V A N THANH, TS N[.]
KHOA HOC VA CftNG NGHE MO y AP DUNG Ld KHOAN DAI VOTl KIP NO MIN VI SAI PHI DIEN DE TANG CHIEU CAO PHAN TANG TRONG KHAI THAC cnc vin onv DOC ini CONG TV THAN DONG VONG PGS.TS T R A N V A N THANH, TS NGUYfiN PHI HUNG Tru Phuang phdp nap va n l cac Io khoan dai De nap cac 16 khoan dai, ngudi ta su dung thuic no dec va thilt bj nap ehuyen dung chay bing nen, Trong dilu kifn Vift Nam, chua chl tao dugc thuoe nd deo dung him 16, nen cong tac ngp eae 16 khoan ed ehilu dai ldn vin dugc thue hien thu eong bdng edc gfy nil, thuoc n l su dyng la cdc thoi thuic n l nhu tuang 16 than, c6 chilu dai moi thoi la 0,2 m, Trong dilu kifn c6ng nghf khai thdc 16 dpc via phan tdng, df xuit nap thuic vd bua pha no phdn than noc cac lo khoan ddi theo phuang phdp thu cong bing eae ggy nil bdng Ing nhya, O l djnh vj thoi thule n l lo khoan qud trinh ngp, moi thdi thule trudc ngp se dugc thit chft bdng sgi "day ruf nhua, phin thua eua ddy sau thit se tgo lifn kit giu'a thoi thuic vdl thdnh i l sau CONG NGHliP MO S6 5-2014 KHOA HOC VA CONG NGHE MP phia mieng 16 khoan Phuang phap da dugc su dung tai Xi nghifp than Hd Rang va cho kit qua tlt, khdng xay hien hjgng rai thoi thudc khdi Id khoan Chi tiet thyc hifn xem hinh H.3 Tren ca sd nh&ng giai phdp de xudl, tiln hanh lap bieu d l to chiJc chu ky vd b l tri nhan lyc khai thac Id chg phiJ hgp vdi nhung giai phap d l xudt, dong thdi tinh toan sa bg cac chf tieu kinh t l ky thudt dat dugc cua cong nghe sau d l xudt so vdi cdng nghe cu tai mpt dilu kifn cy the (Bang 2, Bang 3) H.3 Chi tidt thoi thudc nd dupc thit chat bang da^ dut triKfc nap: a - Diy ait duxyc thit chait vdo thoi thudc; b - Day rut sCe dijng cdng ngb0^ MATCATA-A H.3 Hd chiiu khoan nd Id khoan dai sCr dung kip vi sai phi dien sa dd cdng nghe khai thac Id doc via phan ting PA Is i •' ' * ? ' • :l M , •' H.4 Ho ChiSu khoan nd Id khoan dai su' dung kip vi phidiin diin saisai i:hi sa dd cong nghe khai thac chia l&p ngang nghieng CDNB NGHllP MO sd 5-2014 _^^ KHOA HOC VA CONG NGHE MO Bang Biiu di> to chirc chu ky khai thac 16 doc via phan ting , - „ , ,„c ', "•;;, ,,.„ • r-E;^'/ o,„„,, ,„, iw.l = = ^ , , , • , , , - —r-^^ -^' ^ ^ ^ ' V ' - ^ ^ i ' - ^ - - -' -•' - '- • — ^ - ^ , /;;, - • • : ' ' i ' _ ; :;^::i-1 '• -' • _ .; _ -'i^ "" i '."^ \ " "ã J.VằVôVi'/" !""' i "" ' " "H Bang Bieu td chirc chu ky khai thac 16 cha chia lop ngang nghieng (khai thac ddng thai hai phan ting Bang BSng chi tieu kinh ti-ky thuat cua cong ngh^ khai thac lo DVPT sau de xuat so vai cong nghe ;u (2 phdn ting khai thac ddng thai) TT TSn chl tiSu Chidu ddy via trunq binh G6c ddc via trunq binh Chidu cao nqhienq phdn tdnq khai thdc Chieu cao nqhienq lo-p than hg trdn Trpng lu-ong the tich cua than He s6 kien c6 cua than Tidn chu k^ SO ca hodn thdnh mot chu ky He s6 hodn thdnh chu ky 10 So ca Idm vide nqdy dem 11 Sdn luQ-nq khai thdc mOt chu k-i12 Sdn lu-o^nq khai thdc mpt nqdy dem J l San lu-onq khai thac thdnq 14 COng suat khai thac fNhdn Ivc khai thdc nqay dOm tenq sudt lao aonq cong nhan 10 Cher •Phi phi thudc no cho 1000 T K h i phi kip nd cho 1000 T tell phi li«Sfi thOp cho 1000 T few Dhl mdt 10 chuan bi cho 1000 T U Chi Dhl m ô khoan cho 1000T ã W T O n th^t cOno nahS Ban vj m ao m m T/m3 f m Ca - Ca Tdn T/ng- a T/thang T/ndm Ngu'o'i T/cOnq Kq Kip Kg m m Ghi chl); ) - CN m&i sau ap dyng giai phap de xuit % '"ãi;,;:;',;^-ôS!-sôB^B ằ CNcu CN m * i ' " • 3,0 3,0 ••-••s" 63 11,0 17,0 8,5 15,5 1,63 1,63 1+2 1+2 1,6 1,6 3 0,98 0,98 3 121 184 99 131 2.458 3.285 29.000 39.416 - 30 • - ao-' • 3.0 • ! •-^4,4' • 118 130 296 I -.163 301 196 45 28,6 364 560 38,5 21,12 C0NGNGHI|PM6S65-2OU KHOA HQC VA CONG NGH| MO Sdng BSng ch! tidu kinh ^kp thu$t cua c^ng nghd khai thac chia I6p ngang nghieng sau de xuit so v6i cdng ngh$ cu (2 phan tang khai thac ddng than (Ghi chu: -CN md'i sau ap dijng giai phap de xuat) 1- h1 10 11 12 13 14 15 16 1/ 18 19 20 21 22 23 24 2b 26 D a n v| Ten chl tieu C h i l u day vfa trung binh G6c doe via trung binh Chieu cao phdn tdng khai thac C h i l u cao Idp than tran Goc d i e Id c h a ngang nghieng S l phan tdng khai thac ddng thdi Trpng l u g n g t h i tich cua than He s l kien e l eua than Tien ehu ky So ca hodn thdnh mot chu ky He so hoan chu ky So ca lam v i f c dem San l u g n g khai thac mdt chu ky (1 phdn tdng) San l u g n g khai thde mdt ehu ky cua khu v u c San l u g n g khai thac m f t ngdy dem (1 phan tdng) San l u g n g khai thac mgt dem cua khu v u c San l u g n g khai thac thang Cong sudt khai thac Nhdn Iyc khai thac dem Nang sudt Iao d f n g cong nhan 16 c h a Chl phi t h u f c nd cho 1000 T Chi phi kip n f cho 0 T Chi phi l u d i thep cho 1000 T Chi phi met 16 chudn bj cho 1000 T Chi phi go cho 1000T Tdn that eong nghe 3, Kdt lu|in Kdt qua tinh todn so bO cdc chl tieu kinh td-ky thugt cho aidu kien via cu thd cho thdy: viec dp dgng cdc cac giai phap ky thuat tien tidn (dac biet giat phap si> dung may khoan 16 khoan ddi va kip nd vi sai phi aien an todn hdm 16) so voi cong nghe khai thac cu c6 the mang lai hieu qua hon han (ndng cao phdn tdng khai thdc len 15*20 m, cpng suat khai thac, nang sudt lao aong; chl tieu tdn thdt than Sunfc cai thien) TCr ktii dugc cdp phep si> dgng san xudt vd dp dung thii nghiem tai mo than Bdng Vong, Ha Rdng, Nam Mdu, Hdng Thai cho den kip n6 vi sai phi dien da va dang tridn khai ap dgng tai nhieu mo khac nhu-^tai: Cong ty than Nam Mlu, Hdng Thai Do d6, de tang san lu'ong khai thac, giam ton that than vd chi phi met 16 chuin bi dp dgng cong nghe khai thac cdc via than day, ddc thi viec dp dgng cac giai phap de xudt o' tren la rdt can thidt.D TAI LI|U THAM K H A O COng nghO khai thdc Id dpc via phdn tdng cua CANG NGHlfP MO S6 - m m m Do - T/m3 f m Ca - Ca Tin Tdn T/ng- d T/ng- d T/thdng T/nam Nqudi T/c6nq Kg Kip Kg m m^ % CNcu 8,69 60 12,2 10,0 15 1,69 +2 1,6 0,95 235 705 134 402 9.833 118.000 90 4,6 108 241 409.6 22,8 50 32,3 S lu-ong CN moi I'l 8,69 60 17,0 14,8 15 1,63 +2 1,6 0,95 326 653 232 465 11.625 139.496 60 7,7 121,8 264,7 196 15,6 12,2 25,6 , COng ty than Hd Rang, Cong ty than Ddng Vong Trdn Van Thanh Bdi giang COng ngh^ khai thac tien tidn, ddnh cho hoc vien sau dai hpc H^ NOi 2003 86 tay torn tdt cua can bO ky thudt mo Nhi xudt ban Khoa hoc va Ky thuat Ha NOi 1974 Trdn Van Thanh, Vu Oinh Tidn COng ngh{ khai thac than hdm 16 Nha xudt ban Giao thong van tai Ha NOi 2005 Ngu'di bien tap: Vo Trgng Hung "non-electric detonators ii^ leep geams in Dong V6nn plays a considerable part ii: tificatfon mining, reducing sasing longwall production St of meter standard mine ... chiiu khoan nd Id khoan dai sCr dung kip vi sai phi dien sa dd cdng nghe khai thac Id doc via phan ting PA Is i •'' '' * ? '' • :l M , •'' H.4 Ho ChiSu khoan nd Id khoan dai su'' dung kip vi phidiin... den kip n6 vi sai phi dien da va dang tridn khai ap dgng tai nhieu mo khac nhu-^tai: Cong ty than Nam Mlu, Hdng Thai Do d6, de tang san lu''ong khai thac, giam ton that than vd chi phi met 16... kien via cu thd cho thdy: viec dp dgng cdc cac giai phap ky thuat tien tidn (dac biet giat phap si> dung may khoan 16 khoan ddi va kip nd vi sai phi aien an todn hdm 16) so voi cong nghe khai