Tran Tuan Ngan Vien Khoa hoc Cong nghe Mo - Vinaeomin Bien tap: TS.. Them vao do, khu vyc khai thae cdn anh huang khai thac mo 16 thien mo Deo Nai, nen cae duang 16 chuan bi ciia khu v
Trang 1Thong tin khoa hpc cong nghe mo
V D A N H G I A KHA NANG CO G l d l HOA KHAI THAC THAN
DUOri MUC -35, KHU LO TRI, CONG T^ THAN THONG NHAT
ThS Tran Tuan Ngan
Vien Khoa hoc Cong nghe Mo - Vinaeomin
Bien tap: TS Trif img Dure Du
Tom tat:
Bdi bdo long hap kit qud ddnh gid khd ndng ca gi&i hda phdn tru lirang du&i mice -35, khu Lo Tri nhdm dieu chinh Du dn cUng nhu lap he hoach khai thdc ddp img nhu cdu sdn luang ciia Tap dodn TKV giao
1 Md' dau
Cong ty than T h i n g N h i t hien dang t i l n hanh
k h i u vet phan tru" lu'gng phia tren mirc -35 d i n g
thai tien hanh cac cong tac chuan bi va khai thac
p h i n tru' lu'gng duo'i mirc -35 theo "Thiet k l ky
thuat d u an khai thac ham 16 xuong sau dud'i
mirc -35 khu Lg Tri" do Cong ty Co p h i n Tu" van
D I U t u Mo & Cong nghiep lap Ngi dung cua
thiet ke, de dam bao san lugng se dau tu" 01 16
chg eg giai hoa (CGH) khai thae via day eo ha
tran, goc doc 16 chg d i n 25°, cong s u i t 750.000
tin/nam, tai khu I va khu II, san lugng con lai
se dugc huy dgng tir 06 16 chg khai thac b i n g
khoan no min, chong giti' bang cac loai vi chong
gia thuy lyc va gia khung Tuy nhien, trong qua
trinh ehuan bi 16 chg CGH dau tien (16 chg
II-6B-1T) theo thilt k l da du'ge phe duyet, d i i u kien
dia c h i t thyc t l eua 16 chg c6 nhilu thay doi so
vol tai lieu ban d i u Tren ca so' cap nhat thyc
t l , Cong ty than T h i n g N h i t p h i i hgp vgi C5ng
ty Co phan Tu' v i n D i u t u Mo & Cong nghiep
da "Danh gia kha nang ap dung CGH khai thac
than 16 ehg II-6B-1T thugc dy an khai thae h i m
16 x u i n g sau du'di mire -35 khu Lo Tri Cong
ty than T h i n g Nhit", k i t qua cho t h i y ; 16 chg
khong co kha nang ap dung CGH dong bg theo
day ehuyin thilt ke da lya ehgn D l nang eao
mirc do tin cay ciia cac khu vyc d y k i l n ap dung
CGH cua khu I va khu II, Cong ty than Thong
N h i t da d l xuat va duge Tap doan eho phep
khoan tham d6 bo sung K i t qua khoan tham
d6 dia ehat bo sung, k i t hgp vai cac tai lieu cap
nhat trong qua trinh dao 16 cho t h i y : d i i u kien
dia c h i t tai cac khu vyc d y k i l n ap dung CGH
thay doi nhilu so vai thai d i l m lap D y an va
Thiet k l ky thuat
Theo Thong bao k i t luan cua Tong Giam d i e Oang Thanh Hai tai cugc hop v l cong tac CGH khai thae ham 16 Cong ty than T h i n g Nhit, so 19/TB-TKV, ngay 12/2/2015 ciia Tap doan TKV chi dao: giao cho Vien Khoa hgc Cong nghe Mo khan tru'ong tap hgp tai lieu, danh gia lya chgn eong nghe CGH phii hgp vgi d i i u kien dia c h i t , san trang phan via than thuoc D y an (khu I va khu II) va bao cao Tap doan quy 11/2015 Tren
CO SO' do, Cong ty than T h i n g N h i t p h i i hgp vai Vien Khga hgc Cong nghe Mo lap bao cao
"Oanh gia lya chgn cong nghe CGH thugc Dy
an d i u t u khai thae ham 16 x u i n g sau du'di mirc -35 khu Lg Tri" d l bao cao Tap doan TKV va lam CO sd cho viec d i i u chinh D y an, giiip Cong
ty chii dgng trong viec lap k l hoach khai thac nham dap ifng nhu eau san lugng Cong ty cung nhu san lugng ciia mo
2 Hien trang trO tu'O'ng than co kha nang CO" gio"! hoa khai thac khu Lo Tri
Theo thilt k l ky thuat ciia Dy an khai thac
h i m 16 xuong sau dudi mirc -35 khu Lg Tri do Cong ty Co p h i n Tu- v i n O l u t u Mo & Cong nghiep lap, Cong ty than Thong N h i t se d i u t u
01 day chuyln 16 chg CGH d i n g bg ap dung trong d i i u kien; phan via c6 chilu day 2,2 -9,0m, goc doe phan via < 25° (bang 1, 2)
Tren eg s d pham vi va dieu kien ap dung ciia day chuyln CGH d i n g bo (gian chong va may khiu), thilt k l da lya chgn va xay dyng duge
11 16 ehg khai thac bang CGH nam d khu I va khu II thugc cac phan via 6b, 5c, 4c, 3e, vdi tong trtr lugng dia c h i t huy dgng la 10, 199 theu t i n , trO lugng ceng nghiep la 5, 886 trieu t i n T i n g
KHCNM SO 2/2017 * CNKT HAM LO
Trang 2Thong tin khoa hoc cong nghe m o
Bang 1 Dac tinh ky thuat cua may khiu than Bang 2 Dac tinh ky thuat cua gian chdng
TT
1
9
3
4
5
6
7
8
9
10
11
12
13
14
15
Thong so ky thuat
Chieu cao khau
Buac khau
Goc doc via toi da
Luc keo lan nhat
Toe do di chuyen
Tong cons suat
Dien ap
Duong kinh tang khau
Chieu cao may
Chieu siiu khau nen
Toe do lang khau
Chieu dai tay khau
Chieu dai may khau
Goc dao dong cua tay khau
- Len
- Xuong
Trong luong may
Don vj
m
mm
do
kN m/phiit
kW
V
mm
mm
mm iVphi'it
mm
mm
do
-lan
Trj so
1,8-:-3,4
630
< 2 5
300
0 - : - 7
475
1140
1800
1472
330 35,6
2114
6096 36,35 21,6 37,8
Bang 3 Tdng hap trd luang cac Id cha ap dung
CGH
TT
1
1.1
1
2
3
4
1.2
1
II
1
2
Ten khu virc, phan
phan via, 16 chof
l o n g cpng
Tang-35/-140
KHU 1
Phan via 6B (I-6B-4;
I-6B-5)
Phan via 50(1-50-1;
1-50-2; 1-50-3)
Phan via 4 0 (1-40-2;
1-40-4)
Phan via 3 0 (1-30-3 )
KHU II
Phanvia6B(ll-6B-1T)
TSng -140/-250
KHU 1
Phan via 4 0 (1-40-5)
Phan via 3 0 (1-30-5)
Trir Iwg'ng (Iff tan) TLBC huy
dgng
10.199 8.353 6.814 1.386 1.885 2.644
900 1.539 1.539 1.846 1.846
850
996
TL cong nghiep
7.199 5.886 4.787
963 1.266 1.857
700 1.100 1.100 1.313 1.313
608
705
TT
1
2
3
4
5
6
7
8
9
10
11
12
Thong so ky thuat
Chieu cao dan chong Chieu rong Khoang each lam Tai Irong dat Lire chong cong lac Cuang dp ap lire noc Cucmg do ap lire nen Goc doc lam vice
Ap sual bcmi Duang kinh col Luc keo gian Luc day mang cao truoc
Don
vj
mm
mm
mm
KN
KN MPa MPa
do MPa
mm
kN
kN
Trj so
Kiiu I
1800^3200 1430+1600
1500 4596,7
4800 0,5 + 0,59 2.0
<25 31,5 230/210,200
455
179
Kiiu 2
1600 + 3000 1430+1600
1500
3200
4000 0,5 + 0,59 0,96
<25 31,5
180
455
179
Bang 4 Tdng hap trd luang cac khu virc cd kha nang CGH
TT
1
1
2
3
4
II
1
2
3 III
Ten khu virc, phan phan via Id chg'
Khu 1 Phan via 6B (I-6B-4;
I-6B-5) Phan via 50 ( 1-50-1) Phan via 4 0 (1-40-2;
1-40-4; 1-40-5) Phan via 30 (1-30-3;
l-3C-4;l-30-5) Khu II Phan via 6B(II-6B-1T) Phan via 50 (11-50-1) Phan via 30 (11-30-3) long cong
Trir Iwgng (Ity tan) CapTL
121
4.982 1.539
363 1.654 1.426 2.061 1.345
420
296 7.043
CapTL
122
596
0
76
206
314
0
0
0
0
596
Tong cgng
5.578 1.539
439 1.860 1.740 2.061 1.345
420
296 7.639
-140/-250; tru" lugng dia c h i t huy dgng la 1,846
trieu tan, trO- lugng Cong nghiep la 1,313 trieu
t i n
Tong hgp trtr lugng cae 16 chg ap dung CGH
dong bg theo thilt k l ky thuat eiia Dy an lap
dtrgc the hien trong bang 3
Theo Bao cao k i t qua tham d6 bo sung phue
vu cong tac CGH khu Lg Tri cua Cong ty VITE lap nam 2015 va ket qua danh gia so bg v l kha nang CGH theo cac tieu chi ttrgng t y eiia Cong
ty Co phan Tu- v i n Dau tu' Mo & Cong nghiep: tong trii' lu'gng cac khu vye co kha nang CGH khai thae tap trung tai khu I va khu II Lg Tri la 7,639 trieu tan, trong do, khu I la 5,578 trieu tan, khu II la 2,061 trieu tan
KHCNM SO 2/2017 * CNKT HAM LO
Trang 3Thong tin khoa hpc cong nghe m o
Bang 5 Diiu kien guy hoach cac 16 cho CGH ddng
bo khu Ld Tri
Bang 7 Bac tinh ky thuat cua cac loai gian chong Id cha khu Lo Tri
TT
1
2
3
4
5
6
7
8
9
10
11
Cac thong so
Chieu day trung binh cua
phan via
OhiSu day nho nhat cOa
I6p via trong pham vi 16
che
Goc doc via
Goc doc theo phu'O'ng
Ohieu dai 16 cho' theo
hu'O'ng doc
Chieu dai 16 chg theo
phu'O'ng
Do cu'ng cua than
Do CLfng da kep
He so bien doi goc doc
(Va)
He so bien doi chieu day
(Vm)
Mu'c dp pha huy kien tao
Bern
vi
m
m
do
do
m
m
f
f
%
%
Pham vi, dieu kien ap dung
>3,5
2,5
<350
< 150
8 0 100
>200
1 3
4 , 6
<35 BStky Pham vi 16 CGH khong co phay pha hoac phay pha nho
! TT
i 1
1 1
3 ' 4 ' 5
6
7
1
Thong sfi ky thuat
iChicu cao Chieu rong iChieudai xa ' Khoang each tam hai gian
Don vi
mm
mm
mm
mm
Birdc di chuyen i mm Goc doc 16 eho i dp Goc d6c theo phirong i(hau • do
- ' - - - - ^ ,- "
8 i Luc cliony liim viec
9 I Lire chong ban diiu
to Cutrngdo cliong gm
11 4p luc [cn de gian
12 4p suatlram bam
13 Trong luang
14 , Phuong thirc dl chuyen
kN
kN MPa MPa MPa
Gia trj ZF.MOO 17 28 /F4(l()(l I7'2«
1700^-2800 • 1700 t 2800 1430^1600 1410+1580 1
3105 5400
1500 1500
500 700
< 35 £ 35
115 ±15
3400 4000
2850 0.65+0,67 1.4
31,5 tan 10.8 Dicu khien tai man
3092 0,5-0.61
1.4- 1.71 31.5 14.25
Ghi chu: Gian chong che lao co bo sung ket cilu chong trot chong do
Bang 6 Tdng hap trir luang cd kha nang ca giai hda
khu I, khu II Lo Tri
TT
1
1
2
I!
1
2
3
4
5
III
Khu virc, phan
via, ten Id chry
Khu II
PV6B
(II-6B-1T)
PV3C (11-30-1)
Khu I
PV6B (I-6B-2)
PV5C(I-5C-1)
PV40 (11-40-1)
PV30 (11-30-2)
PV30 (II-3C-3)
Tong khu 1, II
Bieu kien via Chieu day trung binh (m)
9,47 7,61 9,58 10,49 8,6 10,2 13,06
Goc
doc trung binh (do)
23
26
20
24
16
18
14
Tru' Iwg'ng (Ity tin)
Huy dgng
568
289
279 2.156
225
415
521
320
675 2.724
Than nguyen khai
725
344
381 2.529
232
472
559
374
892 3.254
Tong hop triJ' lugng cac khu vyc c6 kha nang
CGH khai thae tai khu I va khu II Lo Tri theo
VITE duoc trinh bay trong bang 4
Tuy nhien, theo danh gia eua Vien KHCN Mo,
dieu kien phan via trong khu vyc 16 ehg c6 kha
nang CGH cua VITE e6 do d i e b l l n doi theo
phuang va theo chilu d i e 16 chg lan (goc d i e 16
chg CO vi tri len d i n 35 -^ 57° goc d i e nang ha theo phu-ang co vi tri len 20 -;- 45°) Do vay, viee lya chon d i n g bg thilt bi eho CGH se gap kho khan (dac biet d i i vol eae 16 chg eo goc d i e khai thac theo chieu t i l n guang tren 15°) Tren ca so"
do, d l nghien eCru kha nang CGH eung nhu lya chon d i n g bo thilt bi eua 16 chg, c i n thilt phai quy hoach lai cac 16 chg eho phu hgp vai eae tieu ehi ap dung CGH
3 Kha nang CGH khai thac khu Lo tri Cong ty than Thong Nhat
Theo tong hgp nhu'ng nam g i n day tai Cong
ty than Thong Nhat, san lugng cua mo chu y l u
la tif cac loai hinh eong nghe: (1) khai thae 16
chg ching cot thuy lyc don, ap dung cho phan via CO chieu day den 2,5m, goe doe d i n 35°, chiem khoang 35%; (2) khai thac 16 chg chong gia khung thuy lyc di dgng hoac gia xich, ap dung cho cac khu vyc phan via day, goe doc
d i n 45°, chiem khoang 55%; (3) cdn lai san lugng khoang 10% la tu' eong tac dao 16 va khai thac tan thu Nhu vay, d i i vai khu Lg Tri, san
lugng khai thac chu yeu tiy 16 chg sCr dung gia
khung va gia xich (khai thac phan via day, ha
t r i n thu h l l than noc), p h i n c6n lai la t u cac
16 ehg ching cot thuy lyc dan Tuy nhien, theo danh gia hang nam cung nhu theo Dy an cac khu vyc 16 chg ching cot thCiy lyc dan eo d i i u
K H C N M SO 2/2017 * C N K T HAM LO
Trang 4Thong tin khoa hpc cong nghe mo
Bang 8 Dac tinh ky thuat may khdu MG170/410-WD
TT
1
2
3
4
5
6
7
8
9
10
11
12
Thong so ky thuat
Chieu cao khau
Buoc khau
Goc doc 16 cha toi da
Do cimg ciia than
Lire keo
Toe do di chuyen
Dien ap
Cong suat dong ca
Duong kinh tang khau
Chieu sau khau nen
Tronglugng
Xuat xii
Don vi
m
m
do
f
kN
nV phiit
V
kW
m
mm tan
So lirong
1,6-2,85 0,6-0,63
35
<4
360 0-7 660,1140 (2xl70)+(2x30)+ll 1,6 160-230 20-30(27) Trung Quoc
kien phirc tap, phan via c6 nhilu b l l n dong ea
v l chilu day, gdc d i e va trO lu'gng it TCr do, de
quy hoach, lya ehgn cong nghe CGH khai thae
khu Lg Tri, Bao cao nghien cuu, xem xet d i n d i i
tugng la cac phan via day cua khu Lg Tri Cong
nghe khai thae 16 chg CGH d i n g bg, ha t r i n thu
hoi than noc Oieu kien quy hoach eae 16 chg
e6 kha nang CGH khu Lg Tri du'ge the hien tren
bang 5
Tren ca so, Bao cao k i t qua tham d6 bo sung
phuc vu cong tac CGH khu Lg Tri cua Cong ty
VITE lap nam 2015, Dy an khai thae h i m 16
xuing sau duoi mirc -35 khu Lg Tri" do Cong ty
Co phin T u van D i u tu Mo & Cong nghiep lap,
tai lieu cap nhat trong qua trinh dao 16 chuan bi
khu vyc va d l l u kien quy hoach cac 16 ehg CGH
d i n g bg khu Lg Tri, bao cao tien hanh danh gia
va quy hoach dugc eae 16 chg c6 kha nang CGH
khu Lg Tri, k i t qua eho thiy: cac 16 ehg e6 kha
nang CGH khai thac tap trung chu y l u a khu I
va khu II g i m 4 phan via (6b, 5e, 4c, 3c), vai 7
16 chg Khu II gom 2 16 chg; 6b- I T (lap 2);
II-3c- 1 Khu I gom 5 16 ehg: l-6b- 2, lap 2, l-5e-1,
l-4e-1, lap 2, l-3c-2 va l-3c-3 Oac diem va d l l u
kien eua cac 16 ehg, the hien tren bang 6
Qua bang 6, tong trO- lugng huy dong c6 kha
nang khai thae CGH eua khu Lg Tri la 2,724
trieu t i n , trong do; khu II la 0,568 theu t i n (phan
via 6b, phan via 3e), khu I la 2,156 theu t i n
(phan via 6b, 5c, 4c, 3c) Tong san lugng than
nguyen khai khai thac dugc la 3,254 trieu t i n
Tuy nhien, do 16 chg l-3c-3 phan via 3c n i m
Bang 9 Mot so chi tieu KTKT ca ban cua 16 cha CGH khu Lo Tri
TT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Ten chi tieu
Chieu day phan via
Goc doc trung binh 16 cha theo
chieu doc Goc doc trung binh Id chg theo phuong
Trong lu'p'ng the tich cua than ChiSu dai guong Id cho' Chi§u dai theo phuong Chieu cao khau Chieu day lop ha tran Chieu rgng luong khau Toe dp khai thac mpt ngay dem San lugng 16 chg ngay dem San lupng 16 chg thang
Cong suat 16 chg 6hu tien
So cong nhan 16 chg ngay dem Nang suit lao dpng true tigp Ohi phi g6 cho 1000 tan than Ohi phi 16 chuan bi cho 1000 tan than
Ohi phi dau nhQ tuong cho 1000 t§n than
Ohi phi nuoc sach cho 1000 tan than
Chi phi rang khSu cho 1000 t§n than
Ton th§t than cua cong nghe
BOTI
m
dp
dp T/m=
m
m
m
m
m
m T/ng-dem T/
thang T/nam ngugi T/
cong m'
m
kg m^
Oai
Khoi lirgmg
9,47
23
11 1,63
90
380 2,5 6,97 0,6 2,4 2.171 54.275 450.000
84 17,8 5,0 2,88
60 8,97 5,0
% 15,4
du'di mire -140, thai gian dua 16 ehg nay vao khai thac dy k i l n phai sau tren 10 nam k l tu khi bat d i u khai thac 16 ehg CGH d i u tien (do
16 ehg phai chuan bi theo t i n g khai thae -140/-250) Oe lya chgn day ehuyin khai thac 16 ehg CGH, bao eao xem xet 6 16 ehg e6n lai vai trCi' lu'gng huy dgng la 2,049 theu tan va san lugng than nguyen khai la 2,362 trieu t i n
4 LiFa chpn dong bo thiet bj CGH khai thac cac 16 cha khu Lo Tri
Tren ea so' dieu kien dia c h i t phan via cua eae 16 chg co kha nang CGH (phan via day d i e thoai d i n nghieng), kinh nghiem ehuan bi khai thac cac 16 chg cua cae Cong ty than ham 16 vung Quang Ninh va cua Cong ty than Thing nhit, bao cao lya chgn he t h i n g khai thac cot
KHCNM SO 2/2017 * CNKT HAM LO
Trang 5Thong tin khoa hoc cong nghe m o
Bang 10 Du kiin ki hoach khai thac cac Id cho co kha nang CGH khu Lo Tri
TT
1
1
2
3
Ten
khu
VLPC
2
Khu II
Khu 1
Ten
phan
via
3
PV6B
PV3C
PV6B
PV5C
PV4C
PV3C
Ten Id cha
4 II-6B-1T II-3C-1 I-6B-2 I-5C-1 I-4C-1 I-3C-2
Lap khau
5 Lap 2 Toan phan via Lo-p 2 Lo-p 1 Lap 2 Toan phan via Tong cpng khu Lo Tri
San lipong than nguyen khai (icy tan)
7
344,0 381,0 232,0 472,0 559,0 374,0 2.362,0
Thoi gian khai thac (nam) Nam
thu-i
8
344
344,0
Nam thu'2
9
232,0 268,0
500,0
Nam thu'3
10
204,0 296,0
500,0
Nam thu'4
11
263,0 237,0 500,0
Nam 1 Nam thu-5< thu-e
12
363,0
137,0 500,0
13
18,0
18,0
(Ghi chu: Nam dau tien tinh khai thac 9,0 thang c6n 3,
cong nghe khai thac)
dai theo phuang, khai thac 16 chg CGH d i n g
bg, ha tran thu h i i than noc va phan tich lya
ehgn dugc d i n g bo thiet bi khai thac va ching
giu guang 16 chg la may k h i u combai loai
MGI70/410-WD va gian t u hanh co k i t e l u thu
hoi than n6c ciia Trung Quoe loai ZF3400/17/28
va loai ZF4000/17/28 ching giiJ vi tri d i u chan
16 chg ciing eae thilt bi d i n g bg Oac tinh ky
thuat the hien trong bang 7, 8
Qua tinh toan, xay dyng hg chilu, to ehire
san x u i t khai thae cac 16 chg CGH d i n g bg khu
Lg Tri (16 chg CGH d i u tien la 16 chg II-6B-1T)
dat dugc mgt s l chi tieu KTKT ea ban, xem
bang 9 K l hoach khai thac cae 16 chg co kha
nang CGH khu Lg Tri, xem bang 10
Sa bg tinh toan hieu qua kinh te eho thiy,
viec khai thac CGH d i n g bo tai khu Lg Tri Cong
ty than Thong Nhit cho hieu qua kinh t l t h i p ,
thong qua mgt so chi tieu sau; Igi nhuan r6ng
(Pn): 5.103 theu d i n g ; gia tri hien tai thyc (NPV):
-5.547 theu d i n g ; he so ehilt k h i u r = 9%; ty le
lai noi tai (IRR): 7,95 %; Igi nhuan r6ng (Pn):
5.103 trieu d i n g ; thai gian hoan v i n 4,9 nam
5 Ket luan va mot so d l xuat
1) TrO lu'gng huy dgng co kha nang ca giai
hoa chii y l u tap trung tai cae phan via 6b, 5c,
4c, 3c CLia khu I va khu II la 2,724 theu t i n , vai
tong san lu-gng than nguyen khai la 3,254 trieu
tan Cac 16 chg co dieu kien la phan via day, d i e
0 thang cho van chuyen, lap dat, hoc tap va lam guen
thoai den nghieng Tuy nhien, do 16 ehg l-3c-3
n i m dual mirc -140, thai gian dua hai 16 chg nay vao khai thac dy k i l n phai sau 10 nam ke tu" khi b i t dau khai thac CGH Do do, de lya chgn day chuyln khai thac 16 chg CGH, bao cao xem xet 6 16 ehg eon lai, vai tru" lu'gng huy dgng la 2,049 trieu t i n va san lugng than nguyen khai
la 2,362 theu tan
2) Lya chgn so do cong nghe CGH dong
bg, khai thac bang 16 chg ha t r i n thu h i i than noc vol may k h i u combai loai MGI70/410-WD
va gian chong t y hanh loai ZF3400/17/28 va ZF4000/17/28, cung d i n g bg cac thilt bi di kem 3) Cong s u i t khai thac 16 chg la 500.000 T/ nam Qua k i t qua tinh toan sa bo v l kinh t l , eho thiy: viec khai thac cae 16 chg CGH d i n g bp tai khu Lo Tri cho hieu qua khong cao
6 K i l n nghj 1) Do d i i u kien dia c h i t phan via ciia khu Lg Tri r i t phirc tap, luu lugng nuac n g l m chay vao phan t i n g mire -140 r i t lan, tii' 755 - 878m3/h, e6 thai d i l m lan n h i t khoang 927m^/h Hien nay, theo bao cao t h i n g ke eiia mo T h i n g Nhit, luu lugng nuac ngam chay vao phan t i n g mirc -140 dang duy tri khoang 909m3/h va c6n co kha nang tang nhilu han Them vao do, khu vyc khai thae cdn anh huang khai thac mo 16 thien
mo Deo Nai, nen cae duang 16 chuan bi ciia khu vyc khai thac bi lun nen manh va biing n l n
KHC \ M SO 2/2017 * C NKI 11 \ M LO
Trang 6Thong tin khoa hpc cong nghe mo
2) Khu vyc Lg Tri, kha nang CGH khai thac
du-gc 2,36 trieu tin Thai gian khai thac ngan
(khoang 5 nam), ehua phat huy hit nang lyc
lam viec ciia day chuyln thiet bi nen hieu qua
kinh t l thap
Do mgt s l dac diem neu tren, nlu then khai
ap dung CGH khai thac 16 chg khu Lg Tri se gap
rit nhieu kho khan, se phai khac phuc nhilu sy
c l va rit eo the se khong mang lai hieu qua kinh
t l Giai doan truac mat, Cong ty than Thing
Nhit cin phai tilp tuc tap trung nghien eiru ap
dung cac giai phap nham nang cao mu'c do on
dinh eiia cac duang 16 va CGH cong tae dao 16
chuin bi Sau nay, cong tac chong giu" va duy tri
cac du-ang 16 chuan bj dugc thye hien tit; dllu
kien dia chat thiiy van duge cai thien, se xem
xet den viec CGH khai thac 16 chg
Tai lieu tham khao:
1 Bao cao kit qua tham do bo sung, tham do phuc vu CGH mo than Lg Tri, Cam Pha Quang Ninh, do Cong ty VITE lap va du'ge Tap doan TKV phe duyet nam 2015
2 Bao cao kit qua "Oanh gia lya ehgn eong
nghe ca giai hoa thupe dy an diu tu khai thac
him 16 xuing sau du'O'i mirc -35 khu Lg Tri Cong
ty than Thing Nhit - TKV", Vien KHCN Mo phoi hgp vai Cong ty than Thing Nhat lap nam 2016, dang trinh xin y kiln Tap doan TKV
3 Dy an va Thiet k l ky thuat eiia Dy an khai thae him 16 xuing sau du'di mire -35 khu Lg Tri,
do Cong ty Co phan Tu vin Olu tw Mo & Cong
nghiep lap, da du'ge Tap doan TKV phe duyet
The capability for mechanized mining operations for the coal reserves belonging to the underground mining investment project at the level - 35
of Lo Tri area, Thong Nhat Coal Company
MSc Tran Tuan Ngan
In.stitute of Mining Science and Technology - Vinaeomin
Summary:
77ie paper refers to the results from the evaluation of the capability for mechanized mining operations for the coal reserves belonging to the underground mining investment project at the level
- 35 ofLo Tri area Thong Nhat Coal Company, for making its mining plan to meet the coal output demands assigned by Vinaeomin
KHCNM SO 2/2017 * CNKT HAM LO