Ky niem 43 nam thanh lap Vien Khoa hpc Cdng nghe Mo - Vinacomin
^ MOT SO KET QUA XAY DUNG HE THONG DjNH MOC KINH TE - KY THUAT TRONG CONG TfIC KHfil TH^C TtlYEN QU^NG BfiUXTT
T6I M d T^N Rfil - L^M t>6NG
By the assignment from Vinacomin, the establishment of the economic - technical norms in the bauxite mining and processing operations has been earned out by IMSAT and Lam Dong Aluminum Company through the theme "Establish- ment of the economic - technical norms in the bauxite mining and processing operations for Lam Dong Aluminum Company - Vinacomin". This is a part in the efforts for decreasing the production costs, increasing the production efficiency in Lam [Jong Aluminum Company, contnbutlng to the improvement of the stability and development of Vietnam bauxite mining and processing sector
1. Mo dau
Vide khai thde va tuyen qugng bauxit quy m i cdng nghiep Id linh vye mdi tgi Vigt Nam. Cho din nay, Cdng ty nhom Lam Dong hiin mdi ehi dang thye hign theo eac chi tidu giao khoan tgm thdi do chya xdy dyng bg t^nh mye chinh thCre.
Vi vgy, vigc Igp b i djnh mCrc kinh t i ky thudt phyc vy eho khai thac vd tuyln quang bauxit phii hgp vdi dieu kign td chCre san xuit trong Cdng ty TNHH MTV nhdm Ldm D i n g - Vinacomin la ydu d u d p thiet nham Idm t i t cing tdc quan trj chi phi, Igp vd giao k i hogch san xuit bauxit - alumin.
KS vO TUAN sCr KS. TON THU HyONG KS. BO TRUNG KHANG VA NNK Vien Khoa hoc Cdng nghi Md - Vinacomin
Biin tip: ThS. Hoing Minh Hung
khai thdc, tuyin qugng bauxit hign tgi.
2. Nghlin cOu cdc didu kien khai thdc, t u y l n quang bauxit vung Tan Rai - Lam Ddng
2.1. Biiu kiin dia chit, dia chat thuy vin khu vi/c:
Khu md nam d phia ddng eua eao nguyen Bao Lie - Di Linh, mya nhilu, chia thdnh 2 mCia rd ret, mua khd tQ thdng 11 d i n thdng 4 vd mCia mya ty thdng 5 d i n thdng 10. Do dgc thCi cua tinh chit CO 1;^ eua d i t vd qudng tgi md bauxit Tdn Rai cd dg I m cao, dat dd l i n sdt nhieu nen vdo mQa mya dd anh hydng Idn d i n cde ehi tiiu kinh t l - ky thuit cua cdng dogn khai thdc vd Xuit phdt tCr cac nhu eau ndu tren, vigc xay tuyln qudng, vl t h i , d l tdi xdy dyng hg thing dyng hg thong djnh mCrc kinh t i ky thudt chu y l u dinh mCre kinh t l ky thugt eho mua khd vd mua eho edng tae khai thac, sdng tuyln da dygc Tgp mya rieng blit.
doan giao eho Viin Khoa hgc Cdng nghg Md 2.2. Die diem diy chuyin cdng nghi vi to phii hgp vdi Cdng ty nhdm Lam D i n g thye hiin ^ ^ ^ ^p ^ u j ( quing bauxit
nghien eCru d i tdi "Xdy dyng hg thong djnh mCrc ^|^^ ^^^ ^dng ty dang t i chCrc khai thde kinh t l - ky thugt trong odng tdc khai thac, sdng
tuyin cho Cdng ty TNHH MTV nhdm Ldm Ddng - Vinacomin".
Tren eo sd thye t i hign trgng san x u i t tgi Cdng ty nhdm Lam Ding, Vidn Khoa hgc Cing nghg Md da triln khai xdy dyng bg djnh mCrc eho cdng tae khai thdc, tuyin qugng dya t r i n cdc djnh mCrc dd ban hdnh eua Tgp dodn TKV, cdc s i ligu thing k i , khao sdt ehyp anh khai trydng, nhd may tuyln d l lam eo sd tinh todn xac djnh cdc djnh mO'C tidu hao vgt ty, nang s u i t lao ding, ndng suit thiit bj phu hop vdi cing nghe
qudng bauxit bing phyong phdp Id thien sau dd dya v i Nhd mdy tuyln de tuyin rira thu h i i tdch qudng
Cdng tic khai thac:
Vide khai thde qugng bang phyong phdp Ig thien chju anh hydng r i t Idn cQa y i u t i thdi tilt, do vgy djnh mCrc dygc xdy dyng cho hai mQa, mua khd vd mua mya. C h i d i Idm vigc thyc t l tgi md vdi s i ngdy Idm ra san p h i m mua k h i 155 ngdy, mQa mya 54 ngdy d nam 209 ngdy.
Cing tdc bdc d i t phu vd khai thac qu^ng nguyin khai sCr dyng cdc to hgp khai thac chinh
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g i m mdy xuc thuy lyc g i u ngygc ed dung tich g i u tQ 1.4*3,3m' k i t hgp i t i vdn tai d tdi trgng 13+40 t i n vdi cy ly v i n tdi qu§ng tCr 1,8'*2.4km;
Vdi d i t dd phu. SU' dyng mdy ggt Komatsu D65E-12 hodc CAT D6R ggt vd'i chiiu ddy Idp dit phu nhd hon 50cm thdnh tCrng dong r i i dCing mdy xCie chit tdi len i t i vdn chuyin d i n bai thdi hodc vj tri hodn nguyen. Idp d i t phu d chilu ddy trin 50cm diing mdy xuc d i xuc tnj'C tiip l i n i t i , cy ly vgn tdi hodn nguyen Id 0,5km vd vdn tdi d i thdi Id 1,9km.
Cing tic tuyin quing:
Nhd may tuyln thyc hiin c h i dd Idm vigc 300 ngdy trong ndm, sd ca Idm viic 3 ea trong ngdy . thiit bj tuyln hoat d i n g 21 gid/ngdy. Qudng nguyin khai tCr khai trydng dya v i Nhd mdy tuyln bing i t i dygc d i tn.rc tiip vdo sdng song ddt tryde bunke nhin liiu. TCr bunke qudng nguyin khai dygc e l p ligu xich d p vdo sang quay ddnh toi giai dogn 1. San phim dydi sdng quay dygc d p vdo mdy rya cdnh vudng. San phim trdn sdng dygc dya xuing bdng tdi d p vdo mdy dgp tryc rdng. San phim cdt cua mdy nj'a cdnh vuing tir bdng tai cung vdi sdn phim sau d i p tmc rdng dygc d i vdo bdng tdi vd dya tdi sdng quay ddnh toi giai dogn 11 d i rCra vd phdn c i p . Sdn phim trin sdng d p vdo sdng mng rde nydc. Sdn phim dydi sdng quay ddnh toi dygc dya vdo sdng 2 ludi. Sdn phim trdn sdng mng vd san phim sau d i p bCia dygc d i vdo bdng tdi thu qudng tinh chuyin sang bdng tai d i n kho qu$ng tinh d i d p sang Nhd mdy sdn xuit alumin qua h i thing bdng tai ddi 4,6km.
Bun thdi dygc v i n chuyin bing h i thing bom ra h i thdi qudng dudi.
3. Xdy dyng hg t h i n g djnh mire kinh tl-kji t h u i t khai thdc, t u y l n qugng cho C i n g ty TNHH MTV nhdm Ldm Odng
3.1. Cing tic bdc dit phu vi khai thic quing nguyin khai
Ndng suit mdy khoan d m tay dygc tinh todn eho khoan quing qud od, qudng m i c i i , chdn ting, xy ly m i vdi ede dg eu'ng f=5-»6, 7+8 vd 9+10.
Vdi cing tdc xuc bic, tinh todn ndng suit cho mdy xuc vdi cdc dung tich g i u xile 1,4m'' 1,9m',.
2,7m' vd 3,3m' xuc quing nguydn khai, kit tang, quing kho vd xuc d i t tnj, d i t phu. K i t qua tinh
todn cao hon so vdi djnh mye dang dp dyng tgi Cdng ty 4% vdi d i t try, d i t phu vd 25% vdi qudng nguyin khai. So vdi djnh mi>e Tip dodn TKV dang dp dyng cho d c thiit bj trong cae diiu kiin tyong dyong thi cao hon 6% vd 22%.
Cing tdc v^n tai dygc tinh toan djnh mye ndng suit eho i t i ed tai trgng 13 t i n , 20 t i n , 23 t i n vd 36 t i n , v|in ehuyin qudng nguyin khai, kit fang, qu|ing kho, d i t tm vd d i t phu vdi cdo cung d i tir 0,1+7,0km. K i t qua tinh todn djnh mye ndng suit i t i eao hon 0,53% so vdi djnh mO'C dang thyc hiin tgi Cdng ty nhim vd 17%
so vdi djnh mCre Tgp doan TKV.
Djnh mCre ndng s u i t mdy san ggt dygc tinh todn cho d c logi cdng s u i t 180CV, 199HP, 200HP va 240HP phyc vy cdng tdc ggt d i t phu, ggt bdi thai, ggt quang nguydn khai, qudng tinh trong kho vd Idm dydng vdi ede ey ly ggt tCr 10+50m. Ndng suit thilt bj ggt eao hon 12% so vdi djnh mi>c dang dp dyng tgi Cing ty va 18%
so vdi T i p dodn TKV.
Djnh mu'c tiiu hao nhien liiu dygc tinh todn cho cdc thiit bj mdy xuc Komatsu PC300, PC600, Hitachi ZX670LCH xuc d i t vd quang.
6 t i Kamaz 55111, 86520, Scania P340, Volvo A40D vdn ehuyin dit, qudng vdi cac cung d i tCr 0,2+7,0km. Djnh mire tidu hao nhien liiu eho dtd do d l tdi tinh todn xdy dyng t h i p hon 2,05% so vdi tidu hao nhiin liiu dang thyc hiin tgi Cing ty Tidu hao nhidn l i i u cho mdy ggt Komatsu D65E-12, D85EX-15, CAT D6R vd mdy ggt Ko- matsu GD705A phyc vy cing tdc ggt dit, qudng vd Idm dydng tyong dyong vdi mCre tidu hao thye t i dang dp dyng. T i i u hao cdc logi vdt ty dygc tinh todn cho cdc logi vgt ty: sam lip, binh d i i n eho dtd; rdng g i u , xich, I c quy eho mdy xuc; lydi lam, gdc ggt, xich vd binh dign d i i vdi mdy ggt.
Djnh mCrc lao dgng dygc xdy dyng eho cdc cing dogn xuc d i t , xCic qudng nguydn khai, qudng kho; v i n chuyin qudng, vdn chuyin d i t hodn t h i vd d i thai; ggt d i t phu, ggt bdi thdi, ggt kho vd Idm dydng.
Trin co sd cac i^nh mye chi tiit dygc lip, d i tdi dd t i i n hdnh xdy dyng mCre ndng suit t i n g hgp cho todn b i ddy chuyin khai thdc qudng bauxit.
3.2. Bdi vdi cdng tic tuyin quing
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Tren ed sd xdc djnh lygng qudng nguyin khai d i u vdo quy v i dp I m 21 % vd lygng qudng tinh d i u ra quy v i dg I m 10% Idm co sd xdy dyng djnh mCre ndng s u i t cho Nhd mdy tuyln.
D i i vdi anh mCre tieu hao vgt ty, d l tdi dd tinh todn mCrc tieu hao d i u diezel, chit trg ling, xut, axit, dign vd nydc d p mdi cho 1 t i n san phim qugng tinh dd I m 10% Djnh mCrc ty Ig thu h i i vd cdc mCre tidu hao phu tCing thay t h i cho thiit bj sang, tuyln vd tuyen bdng tai qugng tinh nhy vdng bi cde loai, day cuaroa, tmc bdnh rdng. mgt bdng tdi. eon Idn cdc logi. bdnh rdng edn.
o i l vdi tuyin bang tai qugng tinh xdy dyng mCrc ndng suit ciia todn tuyin. tieu hao d i u diezel eho may xuc tgi kho qugng tinh. diin ndng tieu thy cua tuyln bdng.
Xae djnh s i lygng vd nang suit lao dgng theo tCrng cdng dogn: xydng tuyln qudng. kho qudng tinh, vgn hdnh h i thong bdng tai qudng tinh, vgn hanh hg thdng cung e l p dien d i n g lyc vd lao ding phyc vy, phy trg eho todn bd ddy chuyin tuyln vd vgn chuyin qudng tinh.
Tren eo sd ede djnh mCre chi tiit da xdy dyng, tinh todn djnh mCrc t i n g hgp eho Nhd mdy tuyin vd tuyin bdng tdi vgn ehuyin qudng tinh d i n tgn kho nguyen ligu tgi Nhd may luyin alumin.
4. K i t ludn
He thing djnh mCre ndng s u i t thilt bj, djnh mye lao ddng, tieu hao vgt t y trong cing tdc khai thde vd tuyin qudng cda Cing ty TNHH MTV nhdm Ldm Dong gdp phin phyc vy kjp thdi cho edng tdc san xuit. Id co sd cho viic chi dgo san xuit kinh doanh, ldp vd x i t duyit k i hogch kinh t l ky thudt hdng ndm, khodn chi phi san xuit, tra cing lao ding, nghigm thu thanh quyit todn eOng nhy tgo hdnh lang phdp ly eho viic tinh todn ehi phi, hiiu qua san xuit cdc d y dn d i u t y ding thdi dap Crng ydu c l u cing tdc quan trj ehi phi cua Cing ty
B i djnh mCrc kinh t i ky thudt dygc x i y dyng trong diiu kiin t i chu'c sdn xuit thyc t i hiin nay cua Cing ty. Tuy vdy hdng nam cung vdi viic d i u ty phdt triin cing nghi vd thilt bj mdi, trinh d i tay nghi cua c i n g nhdn ngdy cdng thdnh thgo vd hodn thiin hon, do viy, phai thydng xuyin cdp nhgt, b i sung, dilu chinh.
B i djnh mCre kinh t i ky thudt khai thdc va tuyln qudng bauxit dygc ldp cho diiu kiin san
xuit thye t l vd sCr dyng khing nhQ'ng cho Cing ty TNHH MTV nhim Ldm D i n g md cdn Id co sd d i phyc vy cho cing tdc xdy dyng djnh mye cho cdc nhd mdy khai thdc, san xuit qu$ng bauxit tilp theo./.
Til 11^ tham khio:
1. Nghj dii\h s i 45/2013/ND-CP ngdy 10/5/2013 quy djnh chi tilt mit s i diiu cua Bd Ludt lao ding v l thdi gid Idm vide, thdi gid nghi ngoi vd an todn lao ding, v i sinh lao ding.
2. Quyit djnh s i 2034/QD-HDQT cua Hii ddng Quan trj ngdy 09/11/2004 "VA/ Ban hinh b6 sung, sua dSl dinh mire lao ding vi ning suit mdt s6 thiit bi chu yiu cOa Tdng (Xng ty Than Vi$t Nairf (nay Id T i p dodn Cdng nghidp Than - Khodng sdn Viit Nam).
3. Quylt djnh s i 1165/QD-HDQTcua Hdi ding Qudn trj ngdy 14/7/2003 "V/v phi duyit tip dinh mire vit tu chi yiu trong khai thic than Id thiin, him Id vi sing tuyin than Ting C^ng ty Than Wit Nam" (nay Id T i p dodn Cdng nghiep Than - Khodng san Viit Nam).
4. H i so thiit k i do Cdng ty CP tin hgc - cdng nghg mdi tnrong - Vinacomin lip.
5.Td trinh s i 359nTr-LDA ngdy 20/5/2013 phd duyit m i hinh vd phyong dn t i chCrc sdn xuit hang ndm phu hgp vdi diiu kign rieng cua Tdy Nguyen tgi Cdng ty TNHH MTV nhdm Ldm Ding.
6. Quylt djnh s i 23/C30-LDAngdy 18/1/2013 v i viic ban hdnh djnh mu'c nhidn liiu, vdt ty, ehi phi sCra ehCra thydng xuyen, ndng suit cde logi thilt bj cua Cing ty TNHH MTV nhim Ldm ding.
7. Quyit djnh s i 468/QD-LOA ngdy 13/11/2013 v l viic phd duyit tgm thdi lao ddng tgi d c phdn xydng sdn xudt cOa Cdng ty TNHH MTV nhdm Ldm Ddng.
8. Quylt djnh s i 336/Q£)-LOA ngdy 19/9/2013
•V.v ban hdnh djnh mCrc nhidn liiu, ndng suit d c thiit bj CO gidi - v$n tai, mdy phdt diin diezel dy phong NMA vd dilu chinh ndng suit Nhd mdy tuyln, tuyin bdng tai vdn chuyin qudng tinh, xe Hiaee 10 c h i cOa Cing ty TNHH MTV nhim Ldm Ding".
9. Quylt djnh s i 208/QD-LDA ngdy 25/6/2013 v i viic ban hdnh m i hinh chit tdi d c logi xe i t i Scania P340, VolvoA40D tham gia vdn chuyin dit vd qujng tgi md bauxit khu Tdy Tdn Rai- Kit qua nghiin oCru cda cdc d l tdi "Xiy dimg dinh mOc ning suit vi tieu hao nhiin ligu, (Xin ning cho cic thiit bi khoan, xdc vi d (6" tgi cde mdthan, khodng sdn.
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