Thdng tin khoa hoc cong nghe md ''''̂ NGHIEN Cinj AP DUNG CAC GIAI PHAP KY THUAT TIET KIEM NANG LimNG cho mdy nen khi va toi true mo than hdm Id vung Quang Ninh In underground coal mining links, mine tra[.]
Thdng tin khoa hoc cong nghe m d '^ NGHIEN Cinj AP DUNG CAC GIAI PHAP KY THUAT TIET KIEM NANG LimNG cho mdy nen va toi true mo than hdm Id vung Quang Ninh ThS L£ QUANG TUAN In underground coal mining links, mine transporting and air ThS VO TUAN ANH compressing links are important ones for sen/ing driving, coal mining and continuous transporting works Power consump-Vidn Khoa hpc Cdng nghd Mo- Vinacomin Bien tip: TS Dao Die Tao tion in these linhks accounts for 15% to 29% of total power consumption at the mines The paper refers to the study on the technical solutions for power saving electric transmission control applied to compressors and hoisting winches used at underground coal mines in Quang Ninh area Trong san xuat than ham 16, khiu van tai mo, khau nen la mgt nhung khau quan trgng phgc vy cdng tac dao 16, khai thac than va v^n chuyin than Dign nang ti^u thy cua Ceic khau chilm ti trgng ti> 15% d i n 29% tong dign nang tieu thy cua mo Mgt khac qua khao sat nhgn thay tiem nang thyc hign tilt kiem nang lug'ng cho cac khau theo danh gia so* bg \i tuang d l i I6n Chinh vi vay, vigc nghien cuu tim hilu thyc trang hogt dgng va de xuat c^c giai phap ky thugt tien tien de nang cao higu qua vgn hanh an toan cac thiet bj di cung vdi s u dgng tilt kigm nang luyng la mgt nhu clu d p bach va c i n thilt ThiFC trang hoat dpng cija ciic thilt bj may n6n khi, t&i tr^c mo than him Id Qua khao sat thyc trgng tieu thg di$n nang cua cac thilt bi phgc vg khai thac than h i m 16 cho thiy, ty Ig tieu thy dign nang cua khau thong gio chilm 29% va khSu nen chilm 15% t i n g dign nang tieu thy (hinh 1) 1.1 May nen trung tam Cdc mdy nen trung tam tgi cdc mo ham 16 dang su dgng la logi 4L-20/8 cua Trung Quic san xuat vo'i luu luang nen m l i trgm \i 20m3/phut, ap jyc 8at, cong suat cua dgng ca di$n moi may la Pdm=132 kW, hoat dgng gan nhu lien tyc 24h/ngay Cac dan vj khai thac than ham 16 su dyng may nen vdi dgc diem chung la co nhieu trgm dgt a cac vj tri khac de phgc vy san xuat va moi trgm lgi c6 tu 2-5 may Che dp vgn hanh cac may nen duac chgy Iuan phien, thugc vao nhu cau nen ma so lugng may dugc vgn hanh vo'i s l lugng thich hgp Trong th6'i gian may nen hogt dgng c6 trgng thai: mang tai vo'i cong suit hogt dgng trung binh Ptb=112,14-^130kWva tai vai cong suit trung binh Ptb=19,29-46,04kW, ty Ig thd'i gian chgy a trgng thai mang tai - tai thay doi phy thugc rlt tan vao nhu cau su dyng nen Mpt so Cong ty T$p doan da trang bi thiet bi ho trg kho'i dgng nhu cuOn khang giup giam d6ng kho'i d$ng cua dgng ca may n6n (nhu Quang Hanh, Mgo Khe, Vang Danh, Mong Duang )• Tuy nhien qua k i t qua khao sat kilm cho thiy dong kho'i dOng cua dgng ca v l n c6n cao, sau qua trinh khai dpng thilt bi khong co tac dyng giOp tilt kigm dign Vi v|y day chua phai la giai phap t i i uu ap dgng cho may nen 1.2 Tcyi tryc md Cac dgn v| san xult than ham 16 su dyng nhieu logi taic td'i khac {trong 16, ngoai mgt bang, cac khu vuc gilng) T y 1$ tiSu t h u nang lirping di^n cua c i c thiSt b i ph^ic vy san x u i t than h a m 16 Chieu saag V^tai 1% Klii Thiet bj khai ilido-r | daolo Boiti dungdich 4% 6% Hinh Tyld tidu thy didn cua cdc thiit bj phyc vij sin xuit than him Id KHCNM S 7/2014 * CO DI$N - T\J DQNG HOA Ttiong tin khoa hpc cong nghe mo Bing Tdng hgp kit qui dd kidm cdng suit vi hi sd cdng suit cOa cic tdi true tai cic dan vi khal thic than him Id TT Thiet bi Vitri CSng ty CP than DOng CO tcvi tnjc gieng chinh V^ng Danh VSng Danh T(!yi tryc gi^ng phu c^nh gi tiy Vang Danh Pdm % Ptb Hi so (kW) (kw) cosip mang tii 132 80,376 0,67 60,0 255 125,91 0,87 49,38 CSng ty CP than Td\ tnjc gieng chinh ngam trgc -51 HSLim XI nghi$p than Td'i k*o go6ng EKO D30 (P