Thong tin khoa hpc cong nghe mo X ^ E T QL A \P DL NG MQT SO GL\I PH.AP K S T H L \ T CONG NGHE N H \ \ N \ N G CAO HIEL QL \ HO.AT DONG D.4V CHLVEN XL L \ BUN NL C T \ I NHA \ T \ V T L V E N f H A N & C L A U N G ThS Ngu\en Hihi Nhan, KS Hoing Thi Ngu> et Fien Khoa hgc cdng nghe Mo-Vinacomin Bien tap: ThS Hodng Minh Hiing Bdi bao de cap tai kit qud ddnh gid hiiu qud hogt dgng cua cdc thiel bj ddy chuyen xtr ly biin nuac Igi S'ha mdy tuyen than Cira Ong I&2 sau dp tiung mgt sd gidi phdp ky thugt cdng nghe Ma dau Nhd mdy tuyln than CCra Ong vdi tong cdng suit hi^n khodng 12 tripu tan/ndm bao gom: Nhd mdy tuyen than Cira Ong 1, Nhd may tuyen than CCra Ong va Nha mdy^ tuyln than CCra Ong Trong dd, Nhd may tuyln than CCra Ong cd cdng suit tneu tin/nam vdi cdng nghe chu y l u Id sdng khd & pha trpn cdm 6B cho nhipt dipn, san pham cgc duoc nghiln thdnh cdm phye vg pha trdn vi nguyen khai d p vao tuyln Id than nguyen khai xau Cdc nhd may tuyln than Cira Ong va nha^ may tuyln than Cira Ong vdi cdng ngh^ tuyen than bdng mdy Idng vd tuyen ndng cap chat lupng than cgc bang xody loc huyen phij Cdng nghp XLF ly bun nudc cua nhd mdy tuyen than 1&2 CCra Ong hipn tpi la dCing xody loc phdn d p , sdng khir nudc, mdy ly tdm vd t)e cd dpc, Mpe dii nha may tuyln than CCra Ong 1&2 da khdng ngirng dau tu* cai tao, bo sung cdc thilt bj nhim ndng cao nang lyc sdng tuyln c h l biln than Tuy vdy, hp thong XCF ly bim nudc phgc vg cho cac nhd mdy tuyen than cdn chua dong bp qua trinh vpn hanh edn gdp nhilu khd khan, hi0u qua hoat dpng eua cae thilt bj ddy ehuyin XLF ly bim nude edn chua eao D l ndng cao hipu qud hopt dpng cua cdc thilt bj XLF ly bun ntrdc, ndng eao ndng suit, gidm gid thdnh va nang cao hipu qua san xult ^ l a i II ^ l a Ll lai III VCA i i a i i ^ \J%M\J • •IV*-' ^ V U «JUI I A U ^ L kinh doanh, vi#c ddnh gid hipn trang vd tim cdc gidi phdp nhdm ndng cao hipu qua hopt dpng ddy chuyin xir ly bim nirdc Nha mdy tuyln than CCra Ong Id rit d n thiet Sau ddnh gid hi$n trang hopt ddng cua cdc thiet bj ddy chuyen xu ly bim nude tpi cdc nha mdy tuyln than 1&2 Cira Ong d l nang cao hi0u qud hopt dOng eua cdc thilt bj ndy d n 6c^ cd giai phap ky thudt cdng nghp tong the nhu sau • Doi vai day chuyin xir ly bun nudc t^i Nhi miy tuyen than CCra Ong 1: Be ndng cao hipu qua lam vipc cua xoay loc phan cap can pha loang bun d p lipu den gid tri hop ly bdng cdch bo sung nu'dc vdo cdc b i chira bim trudc cap cho xoay lie, dd ciing can tinh toan bo sung them bam biin d p ij^u b l sung xoay loc phdn d p vdi s6 lupng phii hop dap irng ndng suit theo yeu d u ^ ^ thong sdng khCr nudc hipn cung bj q^d tai dd d n tinh todn bo sung thdm sang khCp nudc D l phu hop vdi mpt bing hipn nay, tinh toan thay the 03 sdng khu" nude (119, 219 va 319) nang suit thap (27 tan/h) bdng 02 sang khCp nu'dc ndng suit eao han (100 tan/h) - Hipn nay, 02 be ed d$c cdo trdn dang v^n hdnh theo che dd 01 b l ldm vipc vd 01 be dy phdng, d n dieu chinh dua hai be vao hoat dpng dong thai trudng hop cdc thilt bj tuyln may ling, mang rCra van hanh vdi ndng suit Idn vd cd ty le than d p hat mjn vao tuyen cao nhim giam tai cho be cd dpc tir dd dam bao ty Ip rdn/ Idng cho sdn pham cpn be cd d#c trudc d p cho hp thong mdy Ipc ep tdng dp Doi vdi day chuyin xu ly bun nudc t^i Nha J > A ^ ^ ^ tuyen than Cua Ong 2: - Doi vdi cdc sang khir nude khe ludi 1,0mm d n thudng xuyen kiem tra thay t h i edc ludi sdng bi rach nhdm giam t l i da c5 hgt +1,0mm Iln vdo biin d p lieu cho xody lie dilu ndy cung anh hudng tdi hipu qua lam vi$c cua xoay Ilc - D l i vdl hp thing xody Ilc phan d p D l ndng cao hipu qua ldm vi$c cua xody lie phdn kHCNM SO 201- • CN T l YEN CHE BIEN THAN - KHOANI, S4N Thong tin khoa hpc cong nghe mo ^ cap, c^n tinh toan va ailu chinh loong node tuin hodn cap vao mdy Idng cho phu hop voi age tinh than vao tuyen khdc nhdm dam bao cdc thong s6 cong nghe (ty le rSn/long) cua hi thong xody loc phdn cap, ti> do, nang cao hipu suat c6 adc, phan cap dan toi chat loong nooc tuan hodn tot hon, ton that than cam vdo biin giam De giai quyet vdn de ndy, can bo sung mpt so thiet b| (bom bim cap lieu, xody loc phan cap) vol so loong phii hop dap img theo yeu cau san xuat - Doi vol cdc sang khu" node: De dong bo h6a eac thiet bj sdng khi> nudc vd giam chi phi sdn xuat, can tinh toan lira chon cdc sang khij node vdi nang suat Idn (Q=100 tan/h) thay the cho cdc sdng khCr node nang suat thap hi^n dang dung Ket qua ap dyng m$t so gidi phdp ky thuat cong ngh? day c h u y i n xi> ly bCin nuwc tai NMST than & Ci>a n g 2.1- Mgt si giai phip ky thu$t cdng ngh( nhim ning caohieu qui hoat dgng hi thing xi^ ly bun ntrdc Nhi miy sing tuyin than COa Ong n^g, ^ gjjj p^^p ky thuit cong ngh§ nhdm p^^g pgo hi#u qua ho^t dong cua cIc thi4l bi t^opg (jgy chuyen xi> ly biin nu'dc NMST than j , dooc tong hop bang 2.2 Kit qua ip difng mit s6 giii phip kf thuit cdng nghg 2.2.1- Dinh gii chi tiiu ky thuit cdng nghi Thang nam 2016, Cdng ty tuyln than Cin 6ng - TKV da hoan thi edng, Ccii tgo lip ddt bo sung edc thilt bj h§ thing xi> ly bin node t?i cdc nhd mdy tuyen than 1, nhd mdy Bing Giai phip ky thuat cdng nghg nhim ning cao hiiu qui hoat ding ciia t:ic thiit bj xir iy bun node tai nhi miy tuyen than &2 Cira Ong Hiin Cic khau/ Hang mgc cdng trinh /.( Diy chuyin ming SL B^c tinh ky thu^t a! Xir ly chung ntrdc biin than tir h§ th6ng mdy l^ng vd h$ th6ng mdng ara Bcrm cap li§u cho xoay loc ii^u 517) (01 d v Q=900m'/h; H=24m, P=250kW; n=900v/ph rCra, d i i u chinh logng nu'dc dp vdo mdy I l n g , mdng n>a phCi hgp d i tir dd gidm ty 1$ rdn/long cua biin dp li$u cho XLPC, li?u (317; dif phdng) Q=600m'/h; H=24m; P=90kW; n=800v;ph Day chuyin miy iing Bam cap li$u cho xoay loc B a m c ^ p Ii0u 141 Bom cap li^u 241 (01 Q=1200m'/h; H=24m, P=250kW; n=1000v/ph Q=900m'/h; H=24m; dl/ ph6ng) P=250kW; n=900v/ph il Hi thing cic sing khu nuoc Sdng khCrnuwc 119, 219, 319 (day chuyin mdng n>a - NMST than 1, Coa Gng) Triin khai ap d^ing vio thirc ti { H^ th6ng xody loc phan cap (NMST than 1, Cira n g ) born cap (117,217; OhoriQl Bom cap 417) (01 12 tr^ng Of c tinh ky thugt Sdng khif niroc D4: D5 (NMST than Cira Ong) RxD=1500x5060mm; Q=3x27t/h; G6c nghieng dO; Sien dg rung 3mm; P=15kW phbng) Kich thu'Oc; KxU = 1520x5000mm; Q=2x27t;h; G6c nghi§ng dO; Bien dg nin(j3mm p=15lcW KHCNM s o i 2017-CN T H E N CHL BIEN b/ Tdng dung tich b l chi>a nirdc bun Chung V = 200m^ cl Thay cdc t h i l t b| bam biin d p li#u Cho hi XLPC vdi Q=1200m3/h; H=24m; P=250kW, 04 cdi (02 dif a/ Thay t h i 03 sdng 119, m 319 bdng sdng khi> nirdcRxD=2840x5500mm; Q=2x100t/li: P=30kW, S I loong: 02 cdi a/ Thay thi 02 sdng D4 vS D5 bdng sdng khir nirdc RxD=2840x5500mm; Q=2x100l/h; P=30kW, S i lirgng- 04 cdi rT^-MITRNCSTN T h o n g tin k h o a h p c c o n g n g h ^ m o t u y e n than t h e o n h i r d e xuat a tren v d c h i n h thiFC d u a v a o s i r d y n g phuc v u s a n x u l t D d n h gia hipu qua hoat d d n g c u a c a c thiet bi d a y c h u y e n b i i n n w J c n h d m so sdnh eac t h d n g s d edng n g h p v d i trudfc ddy K i t q u a d d n h gia c u t h i n h u sau 1- Danh gia hieu suit loc phin cip lim viec cua he Idng va t h d n h p h a n d o hpt doi v d i cae hp x o d y loc p h a n d p c h o N h d m d y tuyen than CiFa O n g s a u d p d u n g giai p h a p ky thudt d u o c tong h o p t u o n g i r n g tren c a c b a n g v d b a n g Nhin xoiy S a u d p d y n g m p t s o gidi p h a p ky thupt cdng n g h p t r o n g he t h o n g XCF Iy b i i n n a d c cua Nhd m a y t u y l n than C i f a O n g thi n a d c bun than s a u t u y e n m d n g n>a v d m d y l i n g d u ^ c tdp vdo m o t be 0 m^ d l xu- ly e h u n g K i t qua lay m a u p h d n tieh x d c dmh ty Ip rdn/ Sdng Kit qua phan tich thdng sotylg rin/ldng cic san phim cua he thing xoay loc phan t:ap bun than sau dp dgng giai phap ky thu$t Nha miy tuyen than Ciia Ong Ty /? vi/p< so vdi TK 65.86 324 55 66,37 , 31,16 San p h i m trdn I Sdn p h i m cdn I Thiet ke Th{FC te(g/l) Cac san pham 385.16 666,67 57.77 xet: - Ty le r i n / l d n g d p lieu v a o hp x o d y l i e p h a n d p b i m t h a n d a dat k h o a n g tren 200g/l (213.75 g/l) n h d h a n nhieu so v d i t n / d c d d y (389,98 g/l) ty le rdn/ldng d a g i d m g i n % so v d i t r u d c day T y le rdn/ldng eua san p h a m trdn xoay l i e p h a n d p da dat k h o a n g g/lit t d i g/lit n h d h o n I nhieu s o v d i t r u d c d d y (116,15 g/I), d o vay cdi thien d o a c nu-dc tuan h o a n d p t r d Ipi m d y Idng - Khi ty le rdn/ldng cua b i m d p lipu da g i a m d a n g k l thi hieu s u i t phdn d p doi v d i e d hat 0,1 m m cua cdc thiet bj xody l i e p h a n d p eung d d t a n g len v d dat g a n % cao h o n s o v d i t r u d c day ( 5 % ) T h a n c a m m m d p +0.1 m m c d n lan s a n p h a m trdn c u n g d d g i a m tir % t d i % ehi c d n k h o a n g tren % D i e u d d ed nghTa la da t h u hoi t h e m tir % t d i % than c a m mjn tip b i m 2- He thdng sing khu nuirc Xdc djnh hieu s u i t khiF n u d e cua c d c s d n g khir n u d c tai N M S T than & CCca O n g du'pe t o n g h o p bdng Nhan xet: D p a m s a n p h a m tren sdng cua cdc c y m s a n g khtp n u d c da g i a m d a n g k l ehi edn k h o d n g Bang Kef qui phin tich phin dg h^t va tinh toan higu suit phan cip cua he thong xoay toe phan cap sau ap dgng giii phap ky thugt Nha may tuyen than Cua Ong Cac san Vdo XL Ty 14 thu h q ,ch cua cac dp -0.074 mm 50.59 80,55 San pham can hat (%l HSPC phim 0.074 - 0,1 mm 0,1-0.5 mm 5-1 mm +1 mm 4,53 22,57 12,39 9.91 14,97 8.08 9,03 Iffi 0.45 9,43 44,39 14,50 16,72 (%) 64,80 Sdng Kit qua xic djnh higu suit khir nifOc cua dc sing khir nuirc sau ap dgng giai phap ky thugt tai Nhi miy luyin than &2 Cua Ong U Cic cum sang khir Cun-sdng 119; 219 ( T T C O l ) C j m sang 142; 242 (TTCO 1; j Cum sdng 142 242 ( T T C O l F Cum sdng 482 483; 484.1 vd 484 (TTCO 2) Theo thiit kd BC nuoc Dg am vao sing {%} Dp am San pham sang (%) KHCNM SO 2017 • CN T L \ KV CHF BIEN FH \ \ - MK)\N(, S\N tren Thong tin khoa hgc cong ngh§ mo ^ cung dat dooc cao hon 2.2.2 Binh gii so bi chl tiiu kinh ti Sau d i u to cai t^o, b l sung thilt bi day chuyin xi> [•) biin node t^i Nhd mdy tuyln than 1, tuyen than t^i Cong ty tuyen than CCra Ong, hieu qua san xuat du^c the hi0n qua m^ Hi thong miy ly tim so chl tieu ky thuat sau: Hieu suit khO nooc cCia cac may ly tdm t?i - Ddy chuyen thiet bj ho^it dpng vdi ndng suit NMST than & CCra Ong dooc tong hop on dinh, chat loong cac san pham culi eung d8 dooc cai thi0n dang k l nho: (1) than cdm t i ^ bdng sau cdc thilt bj khCr node da giam dooc nhilu Nhin xit: Op am san pham cua cdc may ly tam da giam dp am so vdi tru'dc ddy, (2) node tuan hoan d p ddng k l dat khoang 12,0 % toi 13 % thap hon l^i eho cac thilt bj tuyln dd dgt ty 1$ rin/ldng nhilu so VOI trooc day (dp am khoang 16%) theo ydu cau gdp phin nSng cao hidu qud host Nguyen nhdn Id do, dp am cap li$u vdo may ly dpng cua cdc thilt bj tuyen, (3) Thu hoi thdm tdm cung thip hon so voi troo'c day (H0 qua tir khoang trdn 5% than cdm mjn tir than biin t^i vi0c sdn phim trdn sang khir node co dp am Nha may tuyln than CCra Ong thip nho trdn dd trinh bdy) Hidu suat khCr node - Qui hoach Igi hd thing eae sang khir mr*c Bing Kit qui xic dinh hiiu suit khir nutfe cua cic sing khir nirdc sau ip dgng giii phip ky thuit tir 22% toi 23,5% so vol tmoc bo sung, thay the cdc sdng khir nooc (do am tnroc day khoang tren 27%) Hi?u suat khCf nooc cung da dat cao hon Nguyen nhan la ldp d#t cac sang vOi nang suat Ion hon, cac sang se khong ho?t dong dilu kien qua tai tai Nhi miy tuyin than & Cira Ong TT Cic cgm may ly tim Cgm mdy Iv tam TTCO Cum may ly tdm TTCO Theo thiet ke £>p im vao (%) 20,53 22,12 $ im sin phim (%) 12,05 13,02 19 IR inm Bang So sanh m^t sd chi tidu ky thu$t kinh ti dp dgng giai phip ky thu$t TT Chi tiiu ky thu^l (2) Phtrang in hi^n tgi Sau ip dgng m^t s6 gial phip ky tbu^it (3) W (5) T&ng mirc ddu tu> 10* dong - 58.214 (1) Don vj tinh Xdy dong I C dong 15.609 Thiel bl 10* dong 28.236 6.915 Chl phi khac 10' dong Dtf phPng 10' dong II Doanh thu 10* dong a -^l 454 235.800 248,760 Than bin 1b.2 San luvng Tan/nam 300.000 285.000 Doanh thu 10* d i n g 235.800 224.010 Than cim 5a.1 San luong Doanh thu Chtnh l ^ h doanh t h u (5)-(4) IV I Thd^ gian hoan von 10^ d i n g 10"dong '^"' ^ ' ' "•''' »"i^^c^^TiTE^r5SF5iti^lliXNTlS5ANGiAiir Thong tin khoa hpc cong nghp mo t^i Nha may tuyln than va tuyen than Cira Ong, dong bd v l chung logi cdc thilt bi bam ktiau xir ly bim nudc gdp phin chu ddng san xuat giam chi phi phu tiing thay the ^ Dp am san pham than cam tuyln giam ddng ke so vdi trudc day cung mang Igi hi^u qud kinh te Mpt so chl tieu kinh t l duac tinh todn du ehu yeu bdng viec thu hdi than cam mjn tif than bim tai nha mdy tuyen than Cira Ong Trong dd, san lupng than bun tai Nhd mdy tuyln than CCra Ong tam tinh 300.000 tIn/ndm, ty Ip thu hoi than cam mm tif bim tam tinh 5% Cac chi tieu ky thuat vd kinh t l duoc tong hap bang Khi dau tu cai tgo bo sung thiet bi day chuyen XLF ly bun nudc tai Nha may tuyen than 1, tuyln than 2, Nhd mdy Ipc ep biin than - Cdng ty tuyln than Cua Ong vdi tong mirc dau tu khoang 58 ty dong, moi nam doanh thu tdng them gan 13 ty dong vd thdi gian hodn von khoang ndm V i n de ndy da mang Igi higu qua kinh te, nang cao chit lupng than thdnh pham giam dp li/c v l biin tai cac nhd may tuyln gdp phin ndng cao higu qua san xult cho Cdng ty tuyen than Cua Ong K i t luan Sau dp dgng mpt so giai phap ky thudt cdng nghe day day chuyen XLF ly bun nudc tai ede nhd may tuyen than & Cua Ong, cae chi beu kmh te va ky thuat da dupc cai thipn dang ke nhu: - Tgi Nha mdy tuyen than 1: Xoay loc phdn d p cd higu suit ldm vigc cao han dan d i n hipu qua hoat ddng cua sdng khu nudc, may ly tam be cd ddc cung cao han vd dp am san pham eua eac sang khi> nLPdc, may ly tam deu thip han so vdl trudc day nong dp pha rdn nudc tuin hodn dam bao yeu d u , dd, nang cao hieu qua tuyen than (2) thu hoi them khoang 5% than cam mjn tif biin Tai Nhd mdy tuyen than 2: Op am san pham ciia cdc sang khir nudc vd may ly tam deu thap han so vdi trudc day • Cac gidi phdp ky thudt cdng nghp da ndng cao chat iLfpng than thdnh pham, giam dp lyc v l biin tgi cdc nhd may tuyen, gdp phin nang cao hipu qud san xuat cho Cdng ty tuyln than Cua Ong ndi rieng vd Tgp dodn Cdng nghigp Than-Khodng san Viet nam ndi chung,/ Tai lieu tham khao: 1- Nguyin HOu Nhan va nnk (2016) Bdo cdo tong kit d l tdi Dinh gii hiin trang vi tim cic giai phap nhim ning cao hieu qui hoat ddng day chuyen xu ly bun nifdc Nhi miy tuyen than Cua Ong Cua Ong vi nhi miy loc dp bun than Cua Ong , Vien Khoa hpc Cdng nghg Md - Vinacomin Efficiency evaluation after applying some technical solutions for increasing the operation efficiency in the slurry treatment lines at 1&2 Cua Ong coal preparation plants MSc Ngu>en Huu Nhan Eng Hoang Thi N[iu>et Institute of Mining Science and Technology - Vinacomin Summary: This paper refers some re' [•) biin node t^i Nhd mdy tuyln than 1, tuyen than t^i Cong ty tuyen than CCra Ong,... tgo bo sung thiet bi day chuyen XLF ly bun nudc tai Nha may tuyen than 1, tuyln than 2, Nhd mdy Ipc ep biin than - Cdng ty tuyln than Cua Ong vdi tong mirc dau tu khoang 58 ty dong, moi nam doanh