Thong tin khoa hoc cong nghe m o
KET QUA NGHIEN CUtJ XAY DUNG MO HINH QUAN LY, sir DUNG NANG LUONG
tiet k i e m v a liieu q u a trong n g a n h T h a n
In this paper, the authors refer to some research results from the establishment of the management model on the economical and efficient energy utilization in the coal sector. It is the main task assigned to IMS AT by MOTI and VINACOMIN to ensure the power conservation among the production enterprises in the coal sector
ThS. VO T H £ NAM ThS. VO TUAN A N H
KS. PHAM THANH LIEM
Vien Khoa hgc Cdng nghg Md'- Vinacomin
Trudc tinh hinh nang lugng ngay cang khan hiem, viec s u dyng dien tiet kiem va hieu qua la uu tien quan trpng trong Chinh sach nang lup'ng Qudc gia va la nhu d u d p thiet doi vdi cac doanh nghiep san x u i t trong nganh than, dac biet ddi vdi cac don vj san x u i t va che bien than. Bp Cdng Thuong va Tap doan Cdng nghiep Than - Khoang san Viet Nam (Vinacomin) da giao nhipm vy cho Vien Khoa hpc Cdng nghe Md-Vinacomin chu tri thac hien "Danh gia khao sat tiem nang tiet kiem nang lup'ng trong cac hp dien hinh vung Quang Ninh, xay dang md hinh s u dyng nang lup'ng tiet kiem va hieu qua trong Tap doan", bai bao nay gidi thipu cac ket qua nghien cau xay dang md hinh s u dyng nang lup'ng tiet kiem va hieu qua trong cac don vi san x u i t cua nganh Than.
Sau khao sat danh gia tiem nang tiet kiem nang lup'ng, danh gia kiem toan nang lup'ng cac hd tieu thy dien hinh trong Tap doan, Vien da xay dang dup'c 5 md hinh s u dyng nang lup'ng cho 5 loai hinh san x u i t dien hinh trong nganh than, cy the la md hinh cho loai hinh san x u i t than
ham Id, Ip thien, sang tuyen, van tai, CO khi va luyen kim.
Hien nay Vien Khoa hpc Cdng nghe Md - Vinacomin dang then khai 2 md hinh cho Cdng ty than Ha Lam (thupc khdi san x u i t than ham Id), Cdng ty Kim loai mau Thai Nguyen (luyen kim), cac md hinh cdn lai se dup'c then khai trong nam 2011. Cac md hinh sau khi dup'c xay dang se giup cac don vj quan ly dipn nang tieu thy, kiem toan t a dpng dua ra cac canh bao ve tieu thy nang lup'ng de kjp thdi XLP ly cac khu vuc s u dung dien chua hieu qua va nhanh chdng khac phyc. Dudi day gidi thieu mpt sd md hinh quan ly nang lup'ng trong nganh than.
1. Mo hinh quan ly co> so*
du' lieu tieu t h ^ nang lu>Q>ng t r o n g Tap doan Vinacomin
Thac hien chi dao cua Tap doan, cac don vj san xuit than da bd nhipm can bp quan ly, theo ddi hoat dpng SLP dyng nang lup'ng (gpi la nang lup'ng tradng). Nhiem vy cua nang lup'ng tradng la theo ddi, quan ly ve s u dyng nang lup'ng trong don vj minh va cd trach nhiem bao cao ket qua S U dyng dien tiet kiem hieu qua hang nam cua don vj vdi Tap doan. Tuy nhien, cdng tac quan ly theo ddi cac sd lipu ve tinh hinh tieu thy nang lup'ng, cung nhu thuc hipn cac giai phap tiet kipm nana lup'ng cua cac don vj san xuat trong Tap doan cdn gap nhieu khd khan.
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Hinh 1. Sa do cau true he thong quan ly ca s& dw ligu
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Thong tin khoa hoc cong nghe m o
Do bao cao cua cac don vj gui v e T a p doan khdng theo mdt m i u chung, tuy ndi dung bao cao da day du thdng tin yeu d u nhung cac bao cao dup'c gui dudi dang van ban nen khi quan ly, theo ddi lap bao cao tdng the phai tdng
hop nhap cac sd lieu va luu tru vao may b i n g thu cdng.
Oe giai quyet v i n de nay d n xay dang he thdng quan ly co sd d u lieu ve tieu thy nang luong trong Tap doan Vinacomin. Hinh 1 gidi thieu s o dd d u true cua he thdng nay.
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2. Md hinh quan ly giam sat dien nang tip ddng
Qua ket qua khao sat, danh gia tiem nang tiet kiem nang lup'ng va k i l m toan nang lup'ng tai cac don vj thudc Tap doan Vinacomin, nhdm nghien cuu da de x u i t xay dang md hinh quan ly ve s u dyng nang luong chi tiet tdi tang loai hinh san x u i t dien hinh laa chpn cua nganh.
Nhdm thac hien de tai chia cac don vj theo ba nhdm vdi myc dich SLP dyng nang lup'ng nhu sau (tinh theo don vj t i n d I u quy ddi TOE):
Nhdm 1: Cac don vj chu yeu tieu thy nang lup'ng dien (cac don vj san x u i t than ham Id, san x u i t c o khi, don vj sang tuyen than).
Nhdm 2: Cac don vj chu yeu tieu thy nhien lieu dau, xang (don vj van tai).
Nhdm 3: Cac don vj tieu thy dien nang va dau d muc tuong daong (cac don vj san x u i t than Id thien).
IVld hinh quan ly giam sat tieu t h u dien nang tip dong du'p'c xay dipng vd'i cac dac diem nhu* s a u :
- Cd kha nang theo ddi, giam sat cac thdng sd cua ngudn va tai cua he thdng cung d p dien (U, I, f, Coscp, P, Q, S, kWh,..), phat hien, chan doan sdm va thu tieu kjp thdi tinh trang tieu thy dien b i t hp'p ly va cac nguyen nhan cd the gay s a cd trong he thdng, hd trp' tdi da cac giai phap quan ly, dua ra cac bipn phap khac phuc kjp thdi, tipn dyng, hieu qua va tiet kiem cac chi phi so vdi cac giai phap quan ly he thong dien bang phuong phap thu cdng;
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Thong tin khoa hoc cong nghe m o
- Cac giao dien cua phan m§m giam sat cd kha nang giam sat, canh bao, phan tich, tao bang gia, xuit hoa don, gui thu dien tu va theo ddi thdng qua trang Web tren internet, cd the truy cap theo ddi d bit ky dau, phan mem cd ket ndi vdi cac thiet bj bao ve ghi luu sd lieu do ludng va nhung sa cd xay ra tai bit ky thdi diem nao;
- He thdng cd tinh md de cd the phat then giam sat, quan ly den cym thiet bj, tang thiet bj tieu thy dien cy the trong tung phan xudng, qua dd, cd the can thiep kjp thdi khi thiy tinh trang tieu thy dien cua thiet bj dd bit thudng, nhanh chdng tim ra nguyen nhan bit thudng d dd (che dp bao dudng thiet bj chua hp-p ly, ma sat, rd rf hoi nhiet,..).
Tren hinh 2, 3, 4, 5 gidi thieu cac so dd khdi md ta he thdng giam sat quan ly dien nang tu dpng cho don vj san xuit than him Id va cac don vj san xuit co khi, sang tuyen than, luyen kim.
3. IVld hinh quan ly giam sat nhien lieu tip ddng
Md hinh nay la sa ket hp'p su dyng hp thdng d p phat nhien lipu qua the dien tu va lap dat he thdng GPS giam sat, quan ly xe ta ddng, md hinh nay da dup'c Cdng ty Vat tu Van tai va Xep dd ap dung cuoi nam 2009 (hinh 6,7).
Giai phap d p phat nhien lieu qua the dipn tu" thdng qua quan ly ta ddng hda kho xang dIu cd uu diem ndi bat la viec quan ly chinh xac, trung thac du lieu d p nhien lieu cho cac xe cua cpt bom nhu:
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Hinh 5. Sa do he thong gidm sdt, qudn ly dien nang dan vj sin xuat ca khi, sdng tuyen, luyen kim
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Hinh 6. Md hinh qudn ly cap phdt nhien lieu qua the dien tw
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Hinh 7. Sa do cau true he thong GPS gidm sdt quan ly , xe dtd ty ddng
- sd lin bom/thdi gian, sd lup'ng d p hang cho tung lup'ng/lan bom, thdi gian bom phuong tien van tai.
hang cua tang lan bom. Lap ^ x . x cac bao cao theo yeu d u " ^ " " 9 f^P ^^c du lipu ve
quan ly, quan ly chinh xac qua trinh cap hang, diy du va
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chinh xac, Igp cac bao cao theo yeu cau quan ly cy the, thdng bao mpi trang thai hoat dpng cua cpt bom, lu<;yng hang d p tai thdi diem thac te, luu lai tdi da cac d u lipu d p hang tai PLC cua 10 ngay d p hang.
4. Kdt luan
"Chuong trinh myc tieu qudc gia ve s u dyng nang lup'ng tiet kipm va hieu qua"
dup'c Tap doan Vinacomin chi dao then khai mpt each nghiem tuc t a Tap doan den cac don vj san x u i t kinh doanh trong nganh. Y thac dup'c vai trd quan trpng cua nang lup'ng trong san x u i t , nhieu doanh nghipp da t a dau t u cac thiet bj truyen dpng dipn cd chi tieu nang lup'ng cao nhu bien tan, khdi dpng mem nham tiet kipm dien nang, cung nhu cac thiet bj GPS, PLC... nham giam t h I t
thoat nhien lieu trong qua trinh san xuit.
De xay dang Tap doan Vinacomin trd thanh mdt Tap doan cdng nghipp tieu bieu ve SU" dyng nang lup'ng tiet kiem va hieu qua, chung tdi cho rang, tiep theo cac ket qua kiem toan, cac don vj d n phai lap d u an dau tu, then khai lap dat va dua vao van hanh cac thiet bj tiet kiem nang lup'ng mpt each tdng the, ddng thdi, cung d n ap dyng rpng rai md hinh quan ly SLF dyng nang lup'ng tiet kiem va hieu qua trong cac don vj san xuit cua Tap doan nham dem lai hieu qua san x u i t kinh doanh cho doanh nghiep ndi rieng va dam bao an ninh nang lup'ng qudc gia ndi chung./.
Tai ligu tham khao
1 - PGS. TS. Phung Manh Oac. Khao sat va danh gia tiem nang tiet kiem nang
lup'ng trong cac hd tieu thy trpng diem vung Quang Ninh, xay dang mdt sd md hinh trong Tap doan Cdng nghiep Than - Khoang san Viet Nam ve s u dyng nang lup'ng tiet kiem va hieu qua. Vien Khoa hpc Cdng nghe Md Vinacomin. 2010.
2 - Bao cao ket qua kiem toan nang lup'ng Cdng ty CP than Ha L i m - Vinacomin, Cdng ty CP than Vang Danh, Cdng ty CP than Mdng Duong-TKV, Cdng ty TNHH MTV than Nam M i u - Vinacomin, Cdng ty CP than Cao Son- Vinacomin, Cdng ty CP Che tao may - Vinacomin, Cdng ty tuyen than Hdn Gai- Vinacomin, Cdng ty CP Vat t u Van tai va Xep dd-Vinacomin, Cdng ty TNHH MTV Khoang san Luyen kim mau Thai Nguyen. Vien Khoa hpc Cdng nghe Md-Vinacomin.2009.
CONG NGHE GIAM SAT DIEU KHIEN TUYEN BANG
«'7
TAI ONG TAI MAO KHE
dp ta dpng hoac bing tay thi dpng CO truyen dpng bang tai ong ngay lap tuc dup'c dung va thdng bao Idi dup'c hien thj tren man hinh dieu khien trung tam.
- Giam sat dong than qua day. Hai cam bien dup'c bd tri d dau bang tai dng vdi myc dich cho ngudi van hanh bidt dong than da day bai chua chua. Cam bien thu nhit bao bai chua chi cd the chua het lupng than dang cdn tren tuyen bang va thdng bao len man hinh dieu khien, d che dp ta dpng thi trinh tu dung dup'c dien ra ta dpng mpt each binh thudng, d che dp bing tay thi ngudi dieu khien phai cho t>ang tai chay h i t luong than tren
(Tiep theo trang 99) bang tai ong trudc khi I n nut dieu khien dung. Cam bien thu 2 tac dpng khi bai than dd qua day hoac khi ma ngudi dieu khien khdng dieu khien dung bang luc cam bien thu nhit thdng bao dong than da d i y va thdng bao len man hinh dieu khien giam sat trung tam.
3. K i t luan
Tuyen bang tai ong tai Mao Khe la hinh thuc van tai mdi lan dau tien duoc su dung tai Viet Nam. cac thilt bj trong he thong dupe thilt k l ddng bp cung vdi vipc tfch hpp he thong dieu khidn giam sat phan tan (DCS) dam bao cho ngudi van hanh hoan toan cd the kiem soat dupe tinh trang, hoat dpng cua tuyen bang.
tu dd, dua ra cac bien phap xu ly kjp thdi su CO, giup cho he thong hoat ddng dn djnh, lien tuc, nang cao tudi thp thilt bj.
Vdi nhung uu dilm noi bat cua bang tai dng, hy vpng ring se cd nhidu cdng trinh van tai cd dieu kien phu hop se duoc su dung md hinh van tai nay de gdp phin nang cao hieu qua su dung thiet bj va dap ung duoc cac yeu d u vd bao ve mdi tnj'dng./.
Tai lieu tham khao
j1]. Thiet ke ky thuat thi cdng tuyen bang tai than tu xudng sang 56 den cang Ben Can; Vien Khoa hpc Cdng nghe Md lap 2008.
[2]. Operating InstnjctJons for the Mao Khe Conveyor System - ENGINEERING
CONSULTANCY DIPL.-ING.
KARL HAMM
[3]. Function Description for the Mao Khe Conveyor System - FLSmidth Koch.
KHCNM SO 1+2/2011* CO DIEN - T I / D O N G HOA MO