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NGHIEN cufu TRAO OOI ^ NGHIEN CUU VADE XUAT BO THONG S6 CONG NGHE PHUC VU THUG NGHIEM Ot NANG CAO HIEU S U A T THier Bj LOG BUI TTNH DIEN TRONG NHA MAY NHIET DIEN THAN RESEARCH AND SUGGEST TECHNOLOGY[.]
NGHIEN cufu - TRAO OOI ^ NGHIEN CUU VADE XUAT BO THONG S6 CONG NGHE PHUC VU THUG NGHIEM Ot NANG CAO HIEU S U A T THier Bj LOG BUI TTNH DIEN TRONG NHA MAY NHIET DIEN THAN RESEARCH AND SUGGEST TECHNOLOGY PARAMETERS FOR EXPERIMENTAL WORK TO ENHANCEMENT EFFECT OF ELECTROSTATIC FILTER IN FIRED COAL POWER PLANT ThS Trieu Quy Huy', PGS.TS Hoang Van Gat' 'TrUdng Dai hoc Viet Bac 'Vien Nghien ciiu Cd khi, Bp Cong Thuong TOlU TAT l/u diem chinh cua thiet bj Igc btii tinh dien (LBTD): Hieu sudt khd bui cao, co the dat tdi 99%, ton thdp dp lUc be, tieu hao dien ndng be, lUOng khoi chda hui di qua thiet bi ldn, chiu nhiet dd cao dk dieu khien tii dgng hoa Vi vdy, LBTD dang dUdc sd dung rong rdi nhd mdy nhiet dien than Hieu sudt cua LBTD phu thugc vdo nhieu nhdn to nhU; Hdm lUdng bui vdo, van toe dong hui, luu lUdng dong khoi bui, tong dien tich be mdt tich bui, tinh chdt dong cdn loc, kich thUdc htit bui, chieu day ldp hui tren tdm ciXc thu, dien trd sudt cua bui, cUdng dien trudng [2] Viec nghien cdu luachgn mgt so thong sd chinh cho khdo sdt de xdc dinh ddi gid tri phu hdp nham ndng cao hieu sudt LBTD Id vdn de rdt quan trgng cong tdc van hdnh Tif khoa: Thiet hi Igc bui tinh dien; Hieu sudt loc hui ABSTRACT Main advantage of Electrostatic filter (ESP) follow; Hight effect which is obtainable to 99%, lower pressure loss, lower electrical energy expenditure, big flue dust rate; hight automatism Therefore, ESP have being to use much in Fired Coal Power Plant (PCPP) ESPs effect on dependence of many factors; Input dust content, speed flue dust, flue dust rate, dust surface area,filtedgaz quality, dust element dimension, dust layer thickness on negative plate, dust electric resistivity electricfield, l2j Learning main technology parameters to explore for defining amount rational area of them ESPs effect enhancement is very impotant problem on ESP operating work Keywords: Electrostatic filter: Dust filter effect TAP CHi ca KHi VIET NAM, S6 nam 2014 www.cokhivietnam.vn NGHIEN cufu - TRAO DOI l.DATVANDE tich bui buong lpc (hinh 1), [3], [4] Hien nay, tai niiofc ta cd hang tram nha may dang stf dung thiet bi lpc bui tinh dien nhap ngoai nhif nha may nhiet dien than, nha may san xuat vat lieu xay diing, Gia mdi TBLBTD, theo cdng suat cd the tdi vai chuc trieu la My Cd nhieu giai phap de lam tang hieu qua thiet bi nhU; Giai phap thiet ke, giai phap nang cao dp chinh xac che tao va lap dat he ciic thu bui, giai phap liia chpn che dp van hanh, giai phap han che ham lUpng bui vac, Viec nghien cilu tim glai phap xay diing che dp lam viec de nang cao hieu su£t LBTD di^u kien cua niidc ta dang sii dung thiet bi nhap ngoai la can thiet va phu hpp De liia chpn mdt sd thdng sd cdng nghe chinh phuc vu khao sat thiic nghiem nham nang cao hieu suat thiet bi, can phai nghien ciiu, phan tich cac nhan td ^nh hiidng tdi hieu qua sii dung thiet bi NGUYfiN L i THU BUI TRONG THIET BI LBTD Lpc bui tinh dien (LBTD) la he thdng lpc bd cac hat bui cd kich thUdc nhd khdi ddng khdng chay qua budng lpc, tren nguyen ly ion hoa va tach bui khdi khdng khi chung di qua vung cd trudng dien ldn Budng lpc bui tinh dien diioc cau tao hinh thap trdn hoac hinh hpp chii nhat, ben cd dat cac tam ciic song song hoac cac thep gai Hat bui vdi kich thiidc nhd, nhe bay lo lifng khdng diiOc diia qua budng lpc cd dat cac tam ciic Tren cac tam ciic, dUpc cap dien cao ap mOt chieu cd til vai chuc cho den lOOkV de tao mpt dien triidng cd ciidng dp Idn Hat bui di qua dien tnidng manh se bi ion hoa cdc phan ttf ion mang dien tich am sau dd chuyen ddng ve phia tam cUc dUOng va bam v^o tam ci^c dd Bui se diioc tach khdi cac tam ciic bdng vi?c rung rH tam ciic So dd nguyen ly *'*t'V'.'s-'-ôã**" _ 'rz ; ã ã i ằ - * ằ-.