^
TRINH TV KHAI THAC, DO THAI HOP LY c h o c a c m o t h a n to t h i e n v u n g H o n Gai
Basing on the results from analyzing current situations of the dumpsites for open pit coal mines at Hon Gai area including Nui Beo, Ha Tu, Ha Lam and 917 and the investment projects for mining these mines in near future, the paper refers to the selection of the reasonable mining and dumping sequences for minimizing
Vien
ThS. Ll/U VAN THl/C ThS.06 NGOC Tl/dC
KS. LE BA PHLfC KS. BUI DUY NAM
Khoa hgc Cdng nghe Mo - TKV
1. Dat van de
Hdn Gai la mpt trong nhdng vdng than chd yeu eda nganh Than Viet Nam. Hien nay, san lupng than cda eae md vdng Hdn Gai dat tit 13 -^14 trieu tan/nam, chiem 28%
san lupng than toan nganh, trong dd san lUpng than cda cac md Id thien gdm md Ndi Beo, Ha Tu, Xf nghiep than 917, khai trudng Id thien md Ha Lam hang nam la 8,55 trieu tan (tUdng iing vdi 60,6 trieu m^ da't bdc), chiem 63%
san lupng than toan vdng Hdn Gai va 17,7% san lUdng toan nganh.
Theo eae d i i an md rpng khai thac lp thien cae md Ndi Beo, Ha Tu, Xf nghiep than
917, khai trUdng lp thien md Ha Lam, tdng khdi lUdng da't da thai edn lai tfnh td' ngay 01/01/2010 cda cac md la 293,31 trieu m^ than 38,97 trieu tan. Trong dd: md Ndi Beo da't bdc 86,09 trieu m^
than 19,32 trieu tan; md Ha Tu da't bdc 132,42 trieu m^ than 9,92 trieu ta'n; Xf nghiep than 917 dat bdc 45,85 trieu m^
than 6,51 trieu tan; md than Ha Lam da't bdc 27,65 trieu m^ than 3,15 trieu ta'n.
Cae du an dau tU khai thac cae md Ndi Beo, Ha Tu, Xf nghiep than 917 va khai trudng lp thien md Ha Lam dupc thiet ke lay td'i da tai nguyen bang phuong phap lp thien la phd hpp vdi xu the chung. De dam bao thdi gian
ket thde vao nam 2015, nham giam thieu anh hudng tdi canh quan mdi trudng cda thanh phd Ha Long, cac dii an dua ra phuong an khai thac ddng thdi eae khu viie.
Tdng hpp khdi lupng than, da't cda eae md Ndi Beo, Ha Tu, Xf nghiep than 917, Ha Lam theo eae dii an da phe duyet tfnh tCf ngay 01/01/2010 dugc the hien tren bang 1.
Tuy nhien, khi thiet ke cae du an ehua xem xet tdng the toan khu viie va danh gia md'c 66 anh hudng cda cae md lp thien vdi nhau ve khdng gian 60 thai eung nhu miic dp anh hudng cda cac bai thai den cae edng trinh ham Id, cdng nghiep, mdi trUdng va sii phu hpp gid'a quy hoach khai thac Bang 1. Tdng hgp khdi lugng than dai cua cac mo Nui Beo, Ha Tu, XN 917, Ha Lam theo cac du an da phe duyet tinh tdngay 01/01/2010
NSm KT
2010 2011 2012 2013 2014 2015 Tong
Md Nui Beo Dat,
10" m' 20.000 20.000 19.500 16.500 8.835
1.255 86.090
Than, 10" tan
4.300 4.300 4.300 3.500 2.200 726 19.326
IVid Ha Tu Dai
bdc, lO^m^
31.804 28.260 26.510 25.360 21.937
133.871
Than NK, 10^ tan
2.400 2.180 1.970 1.970 1.405
9.925
XN than 917 Dai
bdc, lO'm' 9.680 9.000 8.800 8.360 7.500 2.512 45.852
Than NK, 10^ tan
1.100 1.100 1.100 1.100 1.100 1.068 6.518
Md IHa Lam Dai
10^m' 4.000 3.400 3.400 5.800 5.700 5.350 27.650
Than 10i>
tan 550 550 550 550 550 400 3.150
Tong cong Dat
lO^m^
65.484 60.660 58.210 56.020 42.522 9.117 293.463
Than 1^
tan I8^350_
8.130
]7920j
7.120 5.255 2.194 38.969
KHCNM SO 7/2010* CNKT LO T H I £ N
dd thai vdi cac quy hoach khac trong vdng.
- Tai khu vuc bai thai Chfnh Bae, cac md cd sii chdng cheo ve ranh gidi do thai, ddng thdi ehUa dua ra trinh tu dd thai chi tiet theo tdng nam khai thac, da gay khd khan cho cdng tac dieu hanh, quan 1^ va td chd'e thiie hien eda cac md.
- Vdi Ijeh khai thac - 60 thai theo eae du an da lap (bang 1), cac md lp thien ket thde ddng thdi vao nam 2015. Can cii vao hien trang eae bai thai d khu viic khdng the chiia het khdi lupng da't da thai. Sau khi ket thde khai thac de lai moong nude cac khu viie nhU:
Moong via 14 canh Ddng, via 14 canh Tay md Ndi Beo; via 10b, via 7 + 8 md than Ha Tu;
khu II via 11 md Ha Lam va via 13 - Xf nghiep than 917.
De dam bao an toan cho khai thac ham Id phfa dUdi moong lp thien da ket thde khai thac phai tien hanh edng tae hoan thd vao cac moong khai thac vdi khdi lupng 40,2 trieu m^ va cung dp van tai 4,4km, khd'i lupng dat da hoan thd dupc xdc tii bai thai Chfnh Bac, bai thai via 7+8 60 vao cac moong. Thdi gian hoan thd keo dai td' 2-3 nam, do dd khdng dam bao giam thieu anh hudng cda mdi trudng do hoat dpng xdc bdc, van tai v i n cdn tdn tai.
2. Giai phap cua cac thiet ke da dUdc duyet
Trinh tu khai thac - 60 thai theo thiet ke da duyet eda cac md nhu sau: ' '
* IVid than Nui Beo:
Md Ndi Beo 6ugc liia chpn trinh tu khai thac ddng thdi eho ca 3 edng trudng: Via 14 canh Ddng, via 14 canh Tay va via 11, 13 md rdng, vdi san lupng khai thac 4,300 trieu ta'n than. Thdi gian bat dau khai thac tit nam 2009 H- 2015 dam bao viec ket thde ddng thdi gian quy djnh cda Uy ban Nhan dan tinh Quang Ninh.
Khd'i lupng da't da thai 6dgc quy hoach, 60 thai vao eae bai thai trong khai trudng via 14 canh Ddng md'e +15 va khai trudng via 14 canh Tay md'c +60 vdi khd'i lUdng 78,620 trieu m^. Khu viie bai thai Chfnh Bac md Ndi Beo dUpc thiet ke 60 den +256, khd'i lupng 25,435 trieu m l
Tuy nhien, khi ket thde khai thac de lai 2 moong nude cua khai trudng via 14 canh Tay va via 14 canh Ddng. Theo ke hoach khu viic gam edng trudng via 14 canh Tay va canh Ddng se dUpc khai thac ham IP den miic - 350m. De dam bao an toan cho khai thac ham IP phfa dudi se phai la'p hai moong lp thien tren den miic thoat nude tu chay:
Khdi lupng hoan thd moong via 14 canh Ddng la 40,2 trieu m^ 6dgc xdc lai tit bai thai chi'nh Bae vdi eung 66 4,4km, khd'i lupng hoan thd moong via 14 canh Tay la 10,8 trieu m^ 6i!dc xdc lai tii bai thai phu Bac vdi eung 66 1,7km.
Nha vay, trinh ta khai thac - d6 thai theo thiet ke da dadc
duyet chi xem xet rieng le cho md Ndi Beo ma ehUa xem xet den phat trien chung cda eae md lp thien cung nhu ham Id trong vdng Hdn Gai cd lien quan.
* IVid than Ha Tu:
Md than Ha Tu dupe liia chpn khai thac ddng thdi tat ca cac cdng trudng, trong dd day nhanh khai thac cac edng trudng via 16, via 10b, via tru canh Tay, via 1 (khu Bd Ld va khu Khe Hum) vdi san lupng tit 2,208 H- 2,535 trieu tan than nguyen khai/nam. Cae edng trudng nay ket thde vao nam 2011. TCr nam 2012 md ehi khai thac cdng trudng via tru canh Ddng va edng trudng via 7+8, vdi san lupng 1,920 ^ 1,980 trieu ta'n than nguyen khai/nam. Thdi gian ket thde khai thac md nam 2014 phd hpp vdi chd trUdng cda Uy ban Nhan dan tinh Quang Ninh.
Tuy nhien, Da an phat then mo than Ha Tu cdn mdt so nhagc diem sau: Du an da quy hoach 60 vao bai thai via tru canh Ddng va Nam Lp Phong vdi khdi lupng 60 thai 28,386 trieu m^ la khong hpp ly vi Uy ban Nhan dan tinh Quang Ninh da cd quyet djnh thu hdi da't khu vtie bai thai Ddng Nam via tru va Nam Lp Phong md than Ha Tu de phuc vu edng tae eai tao mdi trudng theo Quyet djnh sd 4318/QD- UBND ngay 20/11/2007. Do vay, tii nam 2009 md than Ha Tu khdng the thiic hien dd thai tai 2 bai thai nay.
KHCNM S6 7/2010 C N K T L O T H I £ N
- Thiet ke bai thai via 7+8 chua hpp 1^ do 60 thai phan phfa Bae gay nguy eo trdi trUpt da't da xudng mat bang Quy hoach bai dd tro xi cda Nha may nhiet dien Quang Ninh.
- Bai thai Bac via 10b 6ugc md rpng 60 thai ve phfa Bae se lam anh hudng tdi hudng thoat nudc td" mat bang san cdng nghiep +75 md Ha Lam.
- Khdi lupng 60 thai vao bai thai trong via 16 la 34,800 trieu m l bai thai trong via tru la 21,000 trieu m\ khdng phd hpp vdi dieu kien eda hai bai thai nay. Viec 60 bai thai trong via tru canh Tay vdi khdi lupng nhu tren khd cd the thiic hien 6ddc do nguy eo trUpt Id da't da xudng cdng trudng via tru canh Ddng. Rieng dd'i vdi bai thai trong via 16 neu 60 thai vdi khdi lupng nhu tren thi sau khi xudng sau via tru canh Ddng se phai bdc lai mdt khdi lupng da't da thai, lam cho he sd bdc da tang len, d i n den giam hieu qua kinh te.
- Khu VUc phfa Tay bai thai Chi'nh Bac 60 la'n sang ranh gidi quy hoach mat bang san cdng nghiep +75 md Ha Lam 86m, chan bai thai each cap gieng diing 70 m. Do vay, phUdng an quy hoach bai thai Chfnh Bac cho md Ha Tu la khdng kha thi.
Nhin chung, trinh tU - khai thac 60 thai cda md Ha Tu theo du an phat trien md cdn nhieu ba't cap, khdng phu hpp vdi hien trang eung nhu chua ke hoach eda eae md khae trong khu viic. ChUa ed Ijeh
trinh 60 thai cu the, cung nhu ed eae giai phap giam anh hudng eda bai thai va nude mat den mat bang san cdng nghiep +75 md Ha Lam va eae ed'a Id +18, +30, +32, +45 thudc Xi nghiep than Giap Khau. Du an cung ehUa xem xet va de ra cae giap phap 60 bai thai trong via 7+8 (khu viic hien dang 6dgc Cdng ty than Hdn Gai tham dd va dU kien khai thac ham Id dudi md'c +30) de giam bdt khd'i lupng hoan thd xdc bdc td' bai thai ngoai.
* X i nghiep than 917:
Trinh tu khai thac - 60 thai 6dgc Ilia chpn nhu sau: Md via va khai thac phan Trung tam den miie -80. Da'y nhanh khai thac td' Trung tam ve canh Ddng va canh Tay, kSt thde khai thac khu Ddng nam 2011 d md'c -110, ket thde khai thac khu Tay vao nam 2013 d md'c -160 de tao dien 60 bai thai trong td" khu Tay Bae sang khu Ddng va khu Tay. Khd'i lupng da't da 6Udc 60 thai vao bai thai trong via 10 Ha Tu, bai thai trong via 13 va bai thai Chi'nh Bae. Trinh tU khai thac va 60 thai nhu Du an phd hpp vdi sii phat trien chung eda cac md trong khu viic. Do 60 bai thai trong vdi khd'i lupng 28,44 trieu m l nen da hoan thd hoan toan khai trudng via
10 Ha Tu va mpt phan Idn khai trudng via 13.
* Cac cong trUdng Ichai thac Id thien mo Ha Lam:
Viec md rpng khai thac khu
Bac HOru Nghj eho phep khai thac td'i da tai nguyen. NhUng chua xem xet den quy hoach do thai toan vdng. Da't da thai cda cdng trudng Bac Huu Nghj va khai trudng khu II via 11 6dgc thiet ke 60 thai den cd't eao +120m tai bai thai Chfnh Bac, khd'i lupng 60 thai 11,879 trieu m l thdi gian 60 thai keo dai td' nam 2009 den nam 2013. Hudng phat trien bai thai tii Tay Nam sang Tay Bac gay khd khan eho cdng tae 60 thai eda eae md Ndi Beo, Ha Tu.
Vdi nhdng ba't cap nhu tren, de khai thac hieu qua cac md Id thien vung Hdn Gai can phai dieu ehinh ke hoach khai thac va trinh tu 60 thai eho cac md nham dam bao sii phat trien ben vung cda toan vung Hdn Gai.
3. Lira chon trinh tu khai thac - dd thai hdp ly cho cac md than lo thien vung Hon Gai.
a. Nguyen tac lira chpn:
- Phu hpp vdi trinh tu khai thac hien nay cua cae md.
- Dam bao dat san lUpng theo yeu eau; phat huy tdi da mang ky thuat hien cd (he thdng dudng giao thdng, dudng dien...);
- Odi vdi cdng trudng nao cd dieu kien thuan Ipi eho viec 60 thai trong thi day manh khai thac, tang san lupng, sdm ket thde cdng trudng dd tao dieu kien cho cac cdng trUdng khac 60 thai trong.
- Dam bao thuan Ipi cho edng tae khai thac, van tai, dd thai va thoat nude md.
KHCNM S6 7/2010* CNKT LO THifiN
- Khdng anh hudng den cdng tac khai thac cac md lan can.
- Phu hpp vdi quy hoach chung eda toan vdng.
* Trinh tir dd thai hdp ly dupc lua chon tren cd sd cac nguyen tac sau:
- Dam bao chi phf van tai, giai phdng mat bang la nhd nha't ddi vdi tdng md.
- Han che tdi da cae anh hudng den san xua't cda cae md lan can.
- Thuan Ipi eho edng tac khai thac, van tai va thoat nUdc md.
- Do thai td'i da vao eae bai thai trong.
- Ket hpp viec 60 thai vdi hoan thd mdi trUdng.
- Dam bao an toan, hieu qua san xua't, tan thu td'i da tai nguyen va giam thieu den tae dpng mdi trudng.
b. Trinh ty khai thac - dd thai lua chpn:
Trinh tu khai thac - 60 thai hpp ly cho cac md Id thien vung Hdn Gai nham dam bao cho cac md trong qua trinh khai thac dupc lien tuc, nhjp nhang, qua trinh dd thai khdng bj chdng la'n, dan xen giUa eae md, giam thieu anh hudng tdi mdi trudng khu viic va dam bao an toan eho cac edng trinh khai thac ham Id.
De dam bao cac yeu cau tren, giai phap dUa ra eho qua trinh khai thac, 60 thai tai eae md lp thien vung Hdn Gai la:
Dieu chinh san lupng md Ndi Beo, tang cudng 60 thai vao bai thai trong vao khai trudng via 14 canh Tay. Thdi gian ket
thde khai thac md nam 2015;
Giam san lupng md than Ha Tu, thdi gian ket thde khai thac den nam 2018; San lupng Xf nghiep than 917 va cae khai trudng lp thien md Ha Lam dupc dieu ehinh phd hpp vdi trinh tu khai thac - 60 thai chung toan vdng, thdi gian ket thde khai thac nam 2015.
De thiie hien cac giai phap tren, trinh tU khai thac hpp ly 6dgc Ilia chpn eho eae md Id thien vdng Hdn Gai nhUsau:
* Mo Nui Beo:
+ Cdng trudng via 14 canh Ddng: Bd trf thiet bj cd cdng sua't Idn, may xdc dung tfch gau E = 3,5-^6,7ml d td tai trpng tii 40-^58 ta'n de da'y nhanh khai thac tren khu viic bd Bae va Ddng Bac, tao dieu kien thuan Ipi cho qua trinh xud'ng sau via 14. Trinh tu phat trien edng trinh md td"
Nam, Ddng Nam sang Bae, Ddng Bae, vdi trinh tU khai thac nhu vay sdm ket thde khai thac khu Ddng Nam tao khdng gian 60 thai trong
Qua trinh xud'ng sau khai thac VUpt trUde cda edng trudng via 14 se bdc di lang tru da't da giap ranh giiia cdng trudng via 14 canh Ddng va edng trudng via 11, 13 md rpng, lam giam he sd bdc, tao thuan Ipi cho edng trUdng via
11, 13 mdrpng.
+ Ddi vdi cdng trudng via 11, 13 mdrgng: Cdng vdi qua trinh khai thac eda cdng trudng via 14 canh Ddng, khai thac ddng thdi tren toan bp khai trudng via 11, 13, da'y manh khai thac khu viie phfa
Tay Nam, dUa khu viic nay sdm ket thde, tao dieu kien cho 60 thai trong td' khai trudng via 14 canh Ddng phat trien sang. Hudng phat trien edng trinh td' Ddng sang Tay va tu' Nam len Bae.
+ Cdng trudng 14 canh Tay: Bd Tay cdng trudng nam sat khu viic Trung doan 213 va dan eU, khoang each td' bien gidi khai trudng den cac khu VUc tren khoang 150-^200m, din tdi quy md nd min bj ban che. De tang san lupng md can chia khai trudng thanh 3 khu viie: Bd Ddng Bac, bd Tay Bac va bd Nam (khu viic khai thac lai bai sang). Khai thac ddng thdi eae khu vuc de dam bao kha nang bd tri thiet bj khai thac va giam quy md bai nd min tren khu vuc bd Tay. Nam 2012, khu viic Ddng Bae ket thue khai thac, toan khai trudng ket thde khai thac vao nam 2013. .
* Md Ha Tu:
- Via 10 se ket thue vao 2010, nham dam bao cho khai thac ham Id phfa dudi. Khdi lupng du kien da't bdc: 4,350 trieu m^, than 0,300 trieu tan (giam 1.450 trieu da't da, 0,140 trieu tan than so vdi Dii an da 6dgc phe duyet).
- Nam 2010, tang san lupng edng trudng via tru canh Ddng len 1,10 trieu tan/nam (tang 40.000 ta'n/nam so vdi Du an lap nam 2008), giam san lupng via 7+8 xudng 0,250 trieu ta'n/nam (giam 0,320 trieu ta'n/nam so vdi Dii
KHCNM SO 7/2010* CNKT LO THlfiN
an lap 2008). San lUpng khai thac toan md Ha Tu nam 2010 la 1,650 trieu ta'n/nam, nham muc tieu tao lp trinh ehuyen ddi lao dpng cho Cdng ty than HaTu.
TCr nam 2011 den nam 2015 (day la thdi gian day nhanh khai thac md Nui Beo), can dieu ehinh san lupng khai thac cda edng trudng via tru canh Ddng xud'ng edn 0,550 trieu ta'n/nam (giam 0,670 trieu tan so vdi Dii an lap nam 2008), giam san lupng edng trudng via 7+8 xud'ng cdn 0,450 trieu ta'n/nam (giam 0,240 trieu ta'n/nam so vdi Du an). San lUpng toan md duy tri d miic 1,00 trieu ta'n/nam. Td' nam 2013, edng trudng via 14 canh Ddng md Ndi Beo se ket
thde, tao khdng gian 66 thai trong cho md Ha Tu. Do vay, tCr nam 2013, bai thai trong via 14 canh Ddng md than Ndi Beo se ed 2 ddn vj tham gia 66 thai la md Ndi Beo va md HaTu.
Sau khi edng trudng via 11, 13 md than Ndi Beo ket thue khai thac vao thang 5/2015, se tang cudng khai thac via tru canh Ddng, nang san lupng edng trUdng len 0,750 trieu ta'n/nam. San lupng cdng trudng via 7+8 duy tri d miic 0,350 trieu ta'n/nam de tang eUdng dd bai thai trong via tru canh Ddng. San lUpng toan md dat 1,1 trieu tan/nam, thdi gian khai thac keo dai den nam 2018.
* X i nghiep than 917:
Md via va khai thac phan
Trung tam de'n mCrc - 80. Day nhanh khai thac tCr Trung tam ve canh Ddng va canh Tay, ket thde khai thac khu Ddng vao nam 2011 d miic -110, ket thue khai thac khu Tay vao nam 2013 d mCfe -160 de tao dien do bai thai trong tCr khu Tay Bac sang khu Ddng va khu Tay.
* Cong trudng lo thien md Ha Lam:
Cdng trudng Bac Hdu Nghj va edng trudng khu II via 11 tie'n hanh khai thac ddng thdi.
Day nhanh khai thac khai trudng Bae HOru Nghj de ket thue khai thac vao nam 2010, tao dien 66 thai trong cho khai trudng khu II via 11 (dU kien md rdng 6udc tien hanh khai thac sau cdng).
Bang 2. Ljch khai thac tdng hgp theo phuang an lua chgn cho cac mo Nui Beo, Ha Tu, XN than 917, Ha Lam'
Nam KT
2010 2011 2012 2013 2014 2015 2016 2017 2018
Taig
Mo than Nui Beo
Dat 1 0 ' m '
22.000 21.400 18.600 15.330 7.760 1.000
86.090
Than 10'tan
5.000 4.600 3.800 2.900 2.070 956
19.326
Mo than Ha Tu
Dat 1 0 ' m '
21.850 13300 14.142 14.142 14.000 14.000 14.000 14.000 12.487
13Z421
Than 10'tan
1.650 1.000 1.000 1.000 1.000 1.050 1.120 1.120 985
9.925
XN than 917
Dat 1 0 ' m '
10.500 9.000 8.400 8.000 7.500 2.452
45.852
Than 10'tan
1.250 1.100 1.100 1.100 1.100 868
6.518
Mo than Ha Lam
Dat 1 0 ' m '
4.000 4.000 4.500 5.000 5.000 5.150
27.650
Than O'tan
500 500 550 600 600 400
3.150
Tong cong
Da't 10'm'
58.350 48.200 45.642 42.472 34.260 22.602 14.000 14.000 12.487
292.013 Than
10' tan 8.400 7.200 6.450 5.600 4.770 3.274 1.120 1.120 985
30919 Ksx m'/T
6,95 6,69 7,08 7,58 7,18 6,9 12,5 12,5 12,68
7,5
KHCNM S6 7/2010* CNKT Ld THifiN
Ljch khai thac tdng hpp cac than 917, cdng trudng Id thien bang 2. Trinh tudd thai hpp If eda md Ndi Beo, Ha Tu, Xf nghiep md Ha Lam dupe the hien tren md dupc the hien tren bang 3.
Bang 3. Trinh tudd thai hgp ly cho c^c mo 1^ thien vung Hdn Gai TT
1
1 2 3 4 5 11 1 2 3 4 5 6 7
8 III
1
2
3
IV
Chi tieu
Mo than Nui Beo Bai thai Chi'nh Bac
Bai thai trong via 14 canh Dong Bai thai trong via 14 canh Tay Bai thai Phu Bic Bai thai +60 l a y Nam
Mo than Ha Tu Bai thai Chinh Bic
Bai thai via 7+8 Bai thai trong via tru canh l a y Bai thai trong via 16
Bai thai trong via 7+8
Bai thai trong via tru canh Dong Bai thai trong via 14 canh Dong Nui Beo
Bai thai trong via 10b
Xi nghiep than 917
Bai thai Chinh
Bic
Bai thai trong via 10 Ha Tu Bai thai trong via13
Mo than Ha Lam
Dan vj
10' m'
I I
I I
I I
I I
I I
10' m'
I I
"
I I
I I
••
I I
I I
I I
10' m'
I I
I I
I I
10' m'
NSm khai th^c
2010
22000 11.700 5.100 3.800
1.400 21550 10.630 3.500 5.000 1.020
1.700 10.500
10.500
4.000 2011
21.400 2.385 14515 4.500
13500 5.000 5.757 3.043
9.000
4.700
4.300
4.000 2012 18.600
13211 5.389
14142 4.225 9.917
8.400 2.208
5.592
600
4.500 2013 15330
1.885 13.445
14142 7.442 300
6.400
8.000
3.352
4.648
5.000 2014 7.760
5.760 2.000
14.000 4.226
9.774
7.500
7.500
5.000 2015 1.000
1.000
14.000
3.430 10570
2.452
2.452 5.150
2016
14.000
3.463 10537
2017
14.000
159 5.786 8.055
2018
12487
4841
7.646
T o n g saoGO 14.065 34.711 33.894 2.000 1.400 132421
31523 19.474 8.043 1.020 5.000 12679 52962
1.700 45.852 17.408
13.244
15.200
27.650
KHCNM SO 7/2010* CNKT L O T H I 6 N
1
2
3 4
5
v
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Bai thai Chinh Bac
Bai thai trong Bac HOfu Nghj Bai thai trong via 10b H a T u Bai thai trong khu II via 11
Bai thai trong via 14 canh Tay - Nui Beo Tong c o n g Bai thai Chinh Bac
Bai thai trong via 14 canh Dong Bai thai trong via 14 canh l a y Bai thai Phu Bac Bai thai +60 Tay Nam
Bai thai via 7+8 Bai thai trong via tru canh Tay Bai thai trong via 16
Bai thai trong via 7+8
Bai thai trong via tru canh Dong Bai thai trong via 10 H a T u Bai thai trong via 13 Bai thai trong Bac HiJfu Nghj Bai thai trong khu II via 11
••
••
"
••
I I
i e w
"
"
I I
"
I I
I I
I I
I I
I I
"
"
••
I I
"
3.314
686
58.350 36.144 5.100 3.800
1400 3.500 5.000 1.020
1.700
686
3.394 606
48.200 12085 14.515 4.500
5.757 3.043
4.906
3.394 2.880
1.620
45.642 6.433 13211 7.009
9.917
5.592 600 2.880
4.561
439
42.472 7.442 8.285 13.884
300
3.352 4.648
4.561 739
4.261
34.260 4.226 9.774 10.021 2.000
7.500
739
5.150
22.602
10570 6150
3430
2.452
14.000
10537
3463
14.000
8055
159 5786
12.487
7646
4841
3.314
6.960
606 5.300
11.470
292.013 66.330 87.693 45.364 2.000 1.400 19.474 8.043 1.020 5.000 12.679 15.550 15.200 6.960 5.300
4. Ket luan.
De dam bao khai thac an toan, hieu qua eae md than Id thien va ham Id vdng Hdn Gai, cae md phai tuan thu theo trinh tu khai thac do thai, thoat nude, da 6dgc tap doan TKV phe duyet. Trong qua trinh thiic hien can ed sii phdi hpp nhjp nhang giufa cac md, dap dng yeu eau san lUpng cung
nhu ke hoach 66 thai - thoat nude eda tiing md.
De md Ha tu keo dai thdi gian khai thac den nam 2018, nham muc tieu hoan thd vao khdng gian khai thac md Nui Beo, nang cao hieu qua kinh te eda toan vdng, rat mong nhan 6dgc su ddng thuan eda cae CO quan chiic nang tinh Quang Ninh.
Tai lieu tham khao:
1. Cae giai phap khai thac, 66 thai, thoat nude tien tdi ket thde khai thac Id thien vdng Hdn Gai - Vien KHCN Md - TKV nam 2009.
2. Cac du an dau tu khai thac cac md: Ndi Beo, Ha Tu , Ha Lam, Xf nghiep than 917.
KHCNM SO 7/2010* CNKT LO THlfiN
