w Thdng tin khoa hoc cdng nghe m d
TiNH TOAN, LtTA CHON THIET B | TRUC TAI GIENG DITNG CHO MO HAM LO NUI BEO
For meeting the requirements In Increasing the coal output, the Vietnam National Coal - Mineral Industries Group (Vinacomin) has planned to construct new and modern underground coal mines of which are two heavyduty underground mines Khe Cham ll-IV and Nui Beo. The paper refers to the selection of the vertical shaft winders for Nui Beo underground coal mine
ThS. NGUYEN OINH TH6NG
KS. VO DAC OAT
Vl^n Khoa hqc Cdng ngh^ Md -Vinacomin
Dy dn ddu tu xdy dyng edng trinh khai thde h i m Id md than Nui Bdo dd 6ugc phd duydt tai Quylt djnh s l 1619/QD-HDQT ngdy 01 thdng 5 ndm 2011 vdi edng suit thilt k l 2 tridu tin/ndm.
Theo thilt k l , md 6uge khai thdng bdng 2 gilng dCrng dudng kinh 6m, chilu sdu gilng ehinh 445m (tCr mCre +35 ^ -410), gilng phg 405m (tCr mCrc +35 ^ -370). Van tai than qua gilng chinh bdng trgc tai + skip, vdn tai ngudi, vat tu thilt bj qua gilng phg bang trgc tai + thung cui.
Hiyn nay, trdn t h i gidi dang su- dgng 2 loai mdy trgc d l trgc tai tai ede gilng dCrng Id mdy trgc tang trg thdng thudng vd mdy trgc ed tang ma sdt d i n ddng.
o l i vdi cdc md sdu, cdng suit true Idn, nhilu nude tren t h i gidi nhu Thuy Diln, Lidn bang OCrc, Nam Phi, Nga, ..v.v thudng sCr dgng mdy trgc loai tang ma sdt nhilu cdp.
Oil vdi md him Id Nui Bdo, trdn ca sd vj tri md gilng da xdc d\nh, khii luyng cdn vdn tai qua gilng: khoang 2 tridu t i n than/ndm; s l ngudi (tinh eho 45' ddu ca) Id 142 ngudi/ca (mCre -142) vd 168 ngudi/ca (mCre -350); vdt tu, thilt bj 36
ehuyln/ea, khii luyng 16 bj duyc lya chyn Id thung cui tin/ehuyin, Vidn khoa hoc 4 tdng, cd d i i trong, kieh Cdng nghd Md dd tinh todn xdc thudc sdn (4,8x1,6x4) m, thdi djnh cde thdng s l cua tn,jc tdi gian mdt chu ky trgc 900s; vdn t i c trgc 4m/s; dudng kinh cdp 64 mm. TCr cde tinh todn trdn, chon trgc tai tang ma sat 4 cdp; cdp dudi kich thudc 160x26 mm; edng suit dpng ca didn 807 kW.
Tren hinh 1 md ta mdt tram tryc tai gilng dung su dgng may trgc tang ma sdt nhilu cdp.
vd chyn mdy trgc.
Cdc thdng s l cua trgc tai, tuang Crng ede gilng duyc tinh todn nhusau:
Tryc tii giing chinh:
Ndng suit trgc 606 tin/h (hd s l dy phdng 1,5); tryng luyng hdng mpt i l n trgc hyp ly 16,1 t i n . Thilt bj tn,je tai 6uge lya chyn Id loai
thung skip e l djnh, dung tich 15 m^ (chd duyc 14 t i n than).
Vdi loai thung skip
duyc chpn, xdc djnh : ' j ^ 6uge s l ehuyin vdn "^.1 tai Id 43,28 ehuyln/h,
thdi gian mdt chu ky trgc 83,17s, t i e dy trgc tai 10 m/s. TCrdd, tinh duyc cdp kdo
10,69 kg/m, dudng kinh cdp 53 mm, khii luyng rieng 10,75 kg/m vd dudng kinh tang trgc Id 3500 mm;
cdp dudi 145x25 mm vd cdng suit ddng ea 1742 kW.
.. , Hinh 1. Trgm trye tii giing dung su Tryc tai gieng phy: dyng miy tryc tang ma sit nhiiu cdp Tren ca sd s l i jhdp giing; 2- Nhd vdn hinh; 3- Tnjc tdi luyno ngudi cdn vdn chinh; 4- Tnjc tdi thodt hiim; 5- ThOng cOi chuyin trong ca, thilt hodc skip.
KHCNM SO 1/2012* CO DifeN - TV'DONG H 6 A
W" Thong tin khoa hoc cong nghe md
Bing 1. Tryc tii cda Liin bang Nga Tdn ggi
Dudng kfnh tang S6 luyng cdp
Lyc kdo khdng cdn bdng Luc kdo Idn nhlt
Dudng kfnh cdp Idn nhlt Khodng cdch 2 cdp Tie dd Idn nhlt Cdng suit Ty s l truyin S6 vdng quay Khii luang
Dan vj tinh
mm syi
kN kN mm mm m/s kW
vg/ph t i n
Md hi^u MK2,25x4
2250 4 120 340 28 250
12 2x1000
10,5 600
45
MK3,25x4 3250
4 150 500 30 300
14 2x1500
11,5 600
84
MK4x4p 4000
4 250 770 40 300
14 2x2500
11,5 480
126
mJJ4x4 4000
4 250 770 40 300
14 2x2500
11,5 580 135
mU5x8 5000
4 350 1450
50 300
18 2x2750
11,5 580 165 Bdng 2. Tryc tdi eua Cgng hda Sde
Tdn ggi
Dudng kfnh tang Bl rdng tang S6 luyng cdp Lyc kdo Idn nhlt
Oudng kfnh cdp Idn nhlt Khoang cdch 2 cdp Tie dd ldn nhlt S6 luang ddng ca Cdng suit
So cum phanh Ap suit phanh
Dan vj tinh
mm mm sai
kN mm mm m/s chile
kW chile
bar
Md hi^u 2K6008
6000 800
2 235
60 250
16 1 4400 4-H24 145
2K3212 3200 1200
2 95 40 300
12 1 1800 4H-24 145
4K3516 3500 1600
4 130^180
40 300
10 1 1000^3000
4^24 145
4K4016 4000 1600
4 270
45 300
16 2 2x2400
4^24 145
4K5018 5000 1800
4 350
56 350
20 2 2x2400
4^24 145
6K5032 5000 2200
6 450
56 400
18 2 2x2500
4^24 145 Bdng 3. True tii cua Trung Quoc
Ten ggi
Oudng kfnh tang S6 luyng ddy cdp
Lg-c kdo khdng cdn blng Lyc kdo Idn nhlt
Oudng kfnh cdp Idn nhlt Khoang cdch 2 cdp T6C dd Idn nhlt
j<h6i luang (khdng gim phln didn)
Dan vj tinh
mm sai
kN kN mm mm m/s t i n
Md hifu JKMD-
2,8x4 2800
4 95 335
28 300
10
JKMD -3,5x4 3500
4 140 525 35 300
13 71
JKMD -4x2 4000 2 95 340 39,5 350 12 63
JKMD- 4x4 4000
4 180 680 39,5 350 14
JKMD- 4,5x4 4500
4 210 900 45 350
14 -
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KHCNM SO 1/2012* CO DifeN - TlT DONG H 6 A ttai
