NGHIEN Ciru - T R A O e O l NGHIEN Ciru, THIET KE, CHE TAO HE THONG THIET BI LAM SACH T O N V O TAU ANG TIA Nl/dC A P Lire CAO (*) KS N G LANG SON - Phuang phap thu edng nhu gd ri, danh giay rap, cha dong tdi tidu chuan St3 - Phuang phap ban cat/hat Nix tdi tidu chuan Sa 2.5 C6 nhidu phuong phap lam sach nhu lam sach bang thu cdng, bang may ban cat/Nix, bang nudc ap luc cao cac nha may ddng tau ngudi ta sii dung hat Nix dd lam sach, day la cac hat sat, da vdi va Silic oxit (xi ddng) Phuang phap lam sach thu cdng mat nhieu thdi gian, edng sire va chat lupng sach bd mat thap, edn phuang phap lam sach bang cat/Nix la phuong phap dd lam, dd dat dupe tdi tieu chuan Sa 2.5, song cd mdt nhupc didm rat ldn la gay nhidm mdi trudng, khdng khi, dat, nudc Khi ban hat cat/hat Nix, thdng thudng phai tidu tdn khoang 60 - 70 kg cat/ hat Nix phu thude vao bd mat can lam sach Cac hat qua trinh ban bi vd mdt phan bay vao khdng khi, song phan ldn cflng vdi ri sat, son cu roi xudng tao ndn mpt bai rac thai ran Vi du I: nha may ddng tau d Khanh Hoa, lupng chat thai da ldn tdi trdn 600 ngan tan, vide xir ly chflng gap rat nhidu khd khan vi ndu chdn vao dat, cac chat ddc hai lan hat chat thai se ngam vao nudc gay nhidm va ngd ddc rat ldn 2.1 Phirorng phap gd ri Go ri la phuong phap thfl edng, gay dn, nang suat lao dpng thap Ngudi ta dung bua dd dap son hoac dflng may mai dd mai cho cac ldp son bong khdi ldp kim loai (vd tau) Bui son, bui ri sat, tidng dn gay d nhidm mdi trudng nghidm trgng, anh hudng true tidp ddn ngudi cdng nhan lao dgng va tdi mdi trudng xung quanh 2.2 Cac phirorng phap phun hat lam sach Cae phuang phap phun hat lam sach gdm cd: - Phun bi thep - Phun eat - Phun hat Nix - Phun nudc vdi mdt phan cat 2.2.1 Phuffng phdp bdn bi thep Day la phuang phap dflng may ban cac hat bi thep dd lam sach bd mat cua vd tau Cae may kidu hidn dai cho phep lam sach bd mat, thu gom bui, thu hdi tai su dung bi va cac hat mai, khdng lam d nhidm mdi trudng Nang suat va chat lugng lam sach bang may rat cao, giam ban chi phi nhan cdng, tang hidu qfla kinh td 2.2.2 Phuffng phdp phun cdt Phun eat la phuong phap dugc thue hidn bang each phun dudi ap luc cao cfla mdt ddng loai eat dac bidt dung dd phun lam sach vd tau Khi phun vao vd tau se lam bung nhflng can son, ri sat Nhung phun ban cat lam sach vd tau gay bui, tidng dn nghidm trpng cho khu vuc lan can, de dpa tdi sue khde cfla ngudi dan Cat thai sau phun gay d nhidm mdi trudng He thdng tu ddng phun cat lam sach tdn tam duge thiet ke nham lam sach cac loai tdn tam dflng ddng mdi va sua ehua tau thuy Nd cd the lam sach cae ldp oxit sat, son, dau md va bui ban bam trdn be mat tam tdn Day la mdt thidt bi rat can thidt cdng tac ddng mdi va sua chua tau thuy, hay bat kd cdng vide nao can tdi vide lam sach tdn tam vdi san lupng ldn He thdng bao gdm mdt budng phun kin bang tdn, mdt xe chd tdn, he thdng hflt va lpc bui, be thdng didu khidn tu ddng, cdng true xdp dd tdn vao va khdi he thdng, he thdng tai cat phd lieu Toan bp chuydn djch dupe didu khidn nhip nhang bang he thdng didn tu ddng Cat budng phun se dupe bang vit day ngoai, cdn bui cat va bui oxit dupe he thdng hut lpc sach, khdng lam d nhidm mdi trudng d nudc ta tii trudc ddn nay, cac co sd ddng mdi va sua chiia tau bidn ddu su dung eat la loai vat lieu da bi cae nudc tidn tidn cam sir dung vi cd lupng silic tu cao, anh hudng ddn dudng hd hap nguy co gay bdnh phdi silic Trong quy trinh phun ban cat lam sach vd tau gay bui, tidng dn nghidm trpng cho khu vuc lan can, de dpa tdi sire khde cua ngudi dan dia phuang, gay bdnh bui phdi Lupng silic hit vao cang nhidu thi thdi ky u bdnh cang ngan va benh tidn tridn cang nhanh 2.2.3 Phucmg phdp phun nuac co cdt Phun nudc cd cat la edng nghd bom nudc ddng thdi vdi mpt lupng cat rit nhd (ehi bang 1/3 so vdi cdng nghd cu) vao vd tau thuydn, bui cat thai rat it va da hda tan vdi nudc ndn roi tai cho Thidt bj phun didu khidn bing tay, thudng dupe ndi vdi mdt dng dan mdm cd ehua (*) Xi nghiep Lien hiep Ba Son, TP HCM cy TiflP CHf CO KHI V l | T NAM • So 01+02 (ThangOl+02) nam 2010 NGHIEN CUU - T R A O B O I ludng chit ldng nen (cd thd d dang hoac hoi nudc) va mdt binh chua hoac mpt dng dan chat lieu se dugc phun, vdi mdt bd phan didu khidn bang tay (thanh gat hoac nut bim), dflng dd didu khidn ludng chat lieu se phun va mdt bp phan didu chinh cho phep phun theo y muon Loai dugc su dung vdi son, son dau, vee ni, dau, chat lieu nhua, vdi nudc hoac xi mang, bdt kim loai, xo hoac ddi cdn dupe dung dd phun ludng nen hoac hoi nudc, dd lau nia cac bd mat hoac cac biic tugng Cac may phun cat hoac tuong tu, thudng cd cau tao rat cdng kdnh, ddi edn dugc lip thdm bp phan nen Loai thudng dugc su dung dd lau nia hoac tay ri cac san pham kim loai, dung dd lam rap hoac cham khae trdn thuy tinh, trdn da thdng qua vide phun cac chat mai vdi tdc dp cao (cat, mat kim loai ) Cac thidt bi thudng dugc gan thdm bp phan lpc gid dd khir bui ddc hai cdn bam lai Nhdm cung bao gdm cac thidt bi phun hoi nudc, chfl ydu dupe sir dung dd nia cac san pham bang kim loai Nhung van hanh may phun, tidng dn giam khdng anh hudng ddn khu dan cu bdn ngoai, giam thidu d nhidm mdi trudng, lupng cat thai it 2.2.4 Phuang phdp phun hgt Nix Hat Nix la vat lieu cd dang hat cau tir sat, da vdi va SiO, qua trinh luydn ddng Hat Nix cd gdc canh cimg, sac, mau den - sang, dp cimg tir 6,7 - Mobs, ti trpng la 3,6t/m3 Do dp ciing cua Nix cao hon nhidu so vdi cat, kich cd hat ddng nhat va cd canh sac ndn Nix ed tac dung lam tang nang suat lao ddng ldn gap lan vide lam sach vd tau va lugng nguydn lieu su dung giam xudng chi cdn 1/3 Qua trinh lam sach vd tau dugc thuc hidn bang each phun hat Nix dudi ap luc cao cfla mpt ddng Khi hat Nix ban ra, dudi su va dap rat manh, son, ri bi vd cflng hat Nix Mpt phan bay vao khdng khi, cdn phan ldn cdn lai roi vuong vai xung quanh tau dugc thu gom lai dudi dang hat Nix thai Hat Nix mau den nhanh, sau qua sir dung mang theo cac chat ban bam trdn vd tau nhu son, gi, cac loai sinh vat ndn bui Nix bay ddn dau thi mdi trudng d dd bi nhudm den va tao ndn cam giac rit bit an Tuy nhidn Nix da qua su dung (Nix thai) chfl-a mdt ti Id kha cao cac chit tan dung mdi hun co (dau va vun son ) va cac chit bi oxy hda bdi chat hun co Ngoai Nix thai cdn chua mpt hgp phan rat dang dugc luu y la cac kim loai nang, gay d nhidm mdi trudng nghidm trpng Phun hat Nix lam sach vd tau gay bui, tidng dn va de dpa tdi sue khde cua ngudi dan Hidn nhidu tau bien dugc son cae loai son cd nhidu chat ddc td nhu chi, ddng, kem, thidc, day la cac chat ed phan son chdng ha, son ldt epoxy thdng thudng Khi bi bde khdi tau, vd vun se bi lan vao hat Nix, lupng chat thai hidn ehua cd bit ky giai phap hun hidu nao dd xu ly Day la chit dpc hai bang A - loai nguy hidm nhit danh muc chit thai nguy hai Ngoai ra, tau thfly cdn chd hang ngan loai hang hda, dd khdng it cac tau chd hda chit dpc hai hoac TAP CHI CO KHf VI$T NAM • cac chit phdng xa Cac chit bam vao ldp son cu, lam saeh chung dupe bin lan vao xi thai dudi dang cac hat rit nhd bay Io limg khdng hoac lln vao xi thai phan tan theo nude phat tan khap mpi noi gay d nhiem mdi trudng nghiem trpng Day ciing la didu canh bao cho cac nha may ddng tau d Viet Nam, noi dang sir dung cac edng nghd lam sach tuong tu va cac nha quan ly phai sir dung cac edng nghd tidn tidn hon, than thidn vdi mdi trudng hon dd ap dung eho nganh ddng mdi va siia chiia tau d Viet Nam nhat la chung ta mdi bat dau va cd chfl truong dua nganh ddng tau mdt nganh cdng nghidp mui nhpn 2.2.5 Phuang phdp phun nu&c dp luc cao WJk Dd giai quydt cae van dd d nhidm, edng nghe phun nudc sidu cao ap da dugc sir dung phd bidn trdn khap thd gidi Cau tao co ban he thdng may phun nudc sidu cao ap bao gdm: - 01 ddng CO diesel/didn truydn ddng cho 01 may b nudc cao ap - 01 dudng dng cap nudc dau vao, flPI - 01 he thdng dng cao ap dau va sung phun Ap luc cac tia nudc khdi sung cd thd Idn tdi 2500 bar, nhidn, dau sung cd cau tao dac bidt, cac tia nudc di xuydn va xoay ndn phan lire tac ddng ldn ngudi cam sung phun nhd, dam bao an toan lao ddng Ngudi ta phan loai may theo dai ap luc Trong dd bao gdm: - May cao ap: Tir 350-700 bar Vdi dai ap luc cac ldp son rd trdc, hoac dau md tren be mat se dugc tay sach - May trung ap: Tu 700-1700 bar Vdi giai ap lire gi sat, rd bd mat kim loai, son thdng thudng cu se dugc tay sach - May sidu cao ap: Tir 1700-2800 bar Vdi dai ap luc toan bd ldp vat lieu bam trdn bd mat kim loai se dugc tay sach dua bd mat kim loai vd trang thai nguydn thiiy ban dau Khi sir dung loai may nay, ban than chiing ciing cd nhung uu diem va nhugc didm nhit dinh ''^^ - Uu diem: + Nudc cd mat d khap mpi noi, chiem 3/5 trai dat, 2/3 CO thd, de khai thac " + Than thien vdi mdi trudng, khdng dde hai, lugng chat thai nhd ndn giam tdi da chi phi xir ly chit thai + Khdng cd bui ndn khdng lam anh hudng den mi trudng, thidt bi may mdc xung quanh + Khdng mai mdn, pha vd cau tnic bd mat thep, + Dd sir dung d nhung khdng gian kin, hep + Rua trdi tat ca cac hat bui cac hdc Idm va mudi trdn mat thep tridt tidu nguyen nhan gay an mdn tir + Ngoai ra, su dung he thdng UHP se loai bd dugc chi phi mua hat nix/cat, chi phi van chuydn ddn, van chuyen di khdi drydoek, khdng phai lap di lap lai viec nap eat/nix So + (ThangOl+02) nani 2010 I NGHIEN Ciru - T R A O B O I «fo thiet bj Vdi phuang phap UHP chi can md cai van ed thd lam vide U Nhuac diem: + Be mat kim loai bi am udt f + Tao ri cap tinh sau khd bd mat - Phuang phap xii ly: + Phuang an I: Sir dung loai son dac bidt cho phep son tren bd mat thep ri vang, dp am 100% + Phuang an 2: Khu am, mai thfl cdng dd loai bd hoi am, loai bd ri cap tinh de dat ydu cau ki thuat cfla nha san xuat son + Phuang an 3: Su dung thidt bi phun nudc lam sach kdt vdi thidt bj hut chan khdng dam bao bd mat thep sach, khd, khdng bi oxi hda, dap iing ydu cau kT thuat cfla son truydn thdng Xet vd ydu td sinh bui: theo mdt chuong trinh Nghidn ciru Ddng tau qudc gia My thi sd lupng bui thai mdi tmdng se phu thude vao cac phuong phap lam sach khae ma theo dd than thidn vdi mdi trudng la mdt dae tinh iru vidt rd net nhat cua cdng nghd lam sach bang nudc: Phuang phap lam sach Phun cat/nix budng hd Phun cat/nix budng kin Lam sach bang dung cu cam tay Phun nia nudc ap luc thap Phun nude sidu cao ap + Dat dugc muc dieh va hidu qua kinh te vd lam saeh bd mat, thda man cac tidu chuan qudc td vd dp sach cho phep trudc son + Han chd tdi da lugng chat thai ran sinh qua trinh tbi cdng lam sach, giam thidu chi phi xu ly chit thai ran + Khdng sinh bui ndn khdng lam anh hudng ddn mdi trudng, thidt bi may mdc xung quanh + Tidt kiem hang tridu ddng ngoai td chuydn nudc ngoai dd mua hat Nix vi nudc cd d khap mgi noi, de khai thac, dd xu ly - Thidt bi phun nude ap luc cao: Phun nudc ap luc cao dudi ap suat cao cua may bom (didn/diezel) nudc dugc dua qua eae Id nhd d mieng ndng sung, dudi ap luc ldn (ddn 250MPa), cac tia nudc va vao bd mat kim loai se lam bong, trdc cac Idp ri set, son trdn bd mat vao vd tau lam trdc ldp son, ri set Do bdng dat Sa - 2,5 Phuong phap khdng gay d nhiem mdi trudng, khdng gay dn, bui Ri set, can son cflng vdi nudc roi tai chd, chi vide lang, Ige can ba dua di xu ly Hinh 1; Bam cao ap Jen Li (Dai Loan - Trung Quoc) Lugng bui chi khdng (mg/m') 13.439 3.015 680 -Dae tinh: Ta thay rang, sir dung phuang phap phun nudc ap Iuc cao se lam giam ham lupng bui ehi khdng tdi 1679 lan vdi phuong phap phun cat/nix Trong nganh cdng nghidp tau thfly, vdi phuang phap lam sach bang phun cat/ nix nhu hidn nay, thdng thudng phai tidu tdn khoang 60 kg cat hoac hat nix phu thude vao bd mat can lam sach, sau lam sach se sinh thdm I kg/m- chat thai ban nhu scm eii, ri set, bui ban, cac chat ddc to , lupng bui bay vao khong va roi vai khoang 10 kg Nhu vay, lupng chat thai ran nha may se phai sir ly khoang 51 kg cho I m1am sach Khi sir dung phuong phap phun nudc ap luc cao, nudc thai thu gom va xu ly rat de dang (100 lit nudc/m-), chit thai ran nhu son cii, ri set, bui ban sinh khoang kg cho m- bd mat xir ly Nhu vay, sir dung phuang phap phun nudc sidu cao ap se lam giam lupng chat thai ran tdi 51 lan so vdi phuong phap phun cat/nix hidn Didu cho thay, cdng nghd phun nudc sidu cao ap img dung lam sach be mat thep nganh son chdng an mdn mang lai nhidu lgi ich va se la cdng nghd cua hidn tai va tuong lai V - Hi^u qua: Hinh 2: Bom cao ap Hammelmann (Dire) Hinh 3; ThiSt bi phun nuac ap lire cao Hammelmann (Dire) US' TAP CHf CO KHf VI^T NAM • So + (ThdngOl+02) mim 2010 NGHIEN CLTU - T R A O BOI Hinh 4; Thigt bi phun nuoc ap lire cao Hammelmann (Diic) Hinh 5: Lam saeh v6 tau tu dpng bang Con nhen Hammelmann Trdn thd gidi, d nhidu nudc da img dung cdng nghd lam sach tdn vd tau bang phun nudc ap luc cao Hinh 6; Bam nuac cao ap Uraca (Dire) Hinh 7; Bam nuac cao ap Uraca (Dire) Thidt bi phun nudc cao ap Densin Singaporre Day la cdng nghd sach, nhien gia rat dit Cac cdng ty Hammelmann (Diic), Den-sin (Dan Mach Singapore), Airblast (Dai Loan) da chd tao cac thidt hi phun nudc ap Iuc cao lam sach tdn vd tau Cac thidt bi cung dang dupe chao ban tai Viet Nam nhung gia rit cao (thidt bi cua hang Hammelmann, hang Den-sin, hang Uraca,) 2.3 Vai net ve nganh dong tau Viet Nam • Hidn nay, chau Au da khdng cdn giii dupe vi tri ddc tdn cdng nghiep ddng tau niia, ma da chuydn dich tir tu sang chau A Tir nam 2000, 80% thi phan cdng nghiep ddng tau cua thd gidi da tap trung d ba nudc Nhat Ban, Han Qudc va Trung Qudc Viet Nam la qudc gia thii tu tidp nhan ludng dich chuyen Au sang A va hidn dang trd qudc gia cd nganh ddng tau uy tin trdn thd gidi Viet Nam don nhan dugc nang Iuc cdng nghiep tau thuy cua thd gidi la vi chung ta cd mpt dpi ngu hang ngan can bd, kT su, cdng nhan lanh nghd vd ddng tau dugc dao tao d Nga, Ba Lan, Dire va cd nhflng nha may ddng tau dpc theo bd bie% dat nudc ^ Be phat tridn cdng nghidp tau thuy, chung ta can nhidu ydu td nu'a Nhat Ban, Han Quoc va Trung Qudc chidm tdi 80% thi phan ddng tau thd gidi nhung nang luc ddng tau cua hp da dat tdi mire bao hda Trong do, nganh cdng nghiep van tai dudng bidn quoc td dang budc vao chu ky thay thd mdt Idp tau mdi, can cd thdm cac co sd ddng tau mdi dd dap iing Viet Nam da dugc chpn la didm tidp theo • vi li tren Bdn canh do, nganh ddng tau Viet Nam da dugc &hi tu tuong ddi manh me Hien nay, Viet Nam da cd thd tiep nhan cac don hang ddng tau quoc te: tau van tai hang khd, rdi cd trpng tai tir 10.000 - 50.GOODWT Trong tuang lai se tap trung vao vide ddng tau container, tau dau Viet Nam phat trien cdng nghidp ddng tau vi day la nganh miii nhpn Khi nganh phat tridn se keo theo cac nganh cdng nghidp khae: luydn kim, chd tao may, didn - didn tii, hda chat cung phat tridn Ddn nam 2010, Viet Nam se trd TAP CHf CO KHf Vl|T NAM • ^So 01+02 (ThangOl+02) nam 2010 NGHIEN CUU - T R A O B O I cudng qude ddng tau dung hang thir trdn thd gidi Chit lugng tau Viet Nam ddng rit tdt, gia lai re Nudc ta da ddng nhirng tau cd ldn tdi hon lOO.OOODWT Nhu cau tdn can eho ddng tau la rit ldn, nd keo theo vide xir li sat thep, tdn dat tieu chuan dd ddng tau Nganh ddng tau quan su cung timg budc dugc dau tu, nang cap co sd v?t chat, trang thidt bi hidn dai Cac loai tau vd composite, v6 hgp kim nhdm, vd thep cd ddn 500t dang la thd manh cua cac nha may ddng tau quan dpi I Vdi lire lugng can bd ky thuat dupe dao tao co ban tu cac nudc Lidn Xd (cu), Ba Lan, Tidp Khae (cu) cung vdi day chuydn san xuat hidn dai dugc Quan dpi dau tu, hidn XNLH Ba Son da dfl sire ddng nhung tau chidn the he mdi hoac nhirng eon tau van tai ddn 8.500DWT dat tieu chuan qudc td ^ 2.4 Nhirng nqi dung khoa hoc cong nghe chii yeu ciia de tai - Nghidn ciiu tdng quan edng nghd lam sach tdn vd tau bang tia nudc ap Iuc cao trdn thd gidi va nudc, khao sat, phan tieh va lua chpn phuang an thidt bi phfl hop vdi dieu kidn va ydu eau eua san xuat dd - Xac dinh ap suat can thidt dd tay sach son vd tau, ap lire tia nudc can dat tai mat tidp xflc - Lua chpn cac thdng sd cdng nghd, thidt kd so bd he thdng thidt bi - Nghidn cim cdng nghd xu li bd mat tdn bang dung mdi va edng nghd su dung son gdc epoxy dd son sau lam saeh bang nudc - Nghidn cim tinh toan, thidt kd he khung thidt bi, sflng phun nudc, bd didu tidt ap, he dng dan nudc, rac co, mat bich, phin lpc eao ap, gia treo sflng phun nudc, co cau di chuydn sung phun nudc, he thdng didn didu khidn va tfl dien K - Nghidn ciiu xay dung cac bd quy trinh cdng nghd chd Kio, lap dat he khung thidt bi, ndng sung phun nudc - Nghidn euu xay dimg quy trinh cdng nghd lap dat, hudng dan su dung va quy trinh cdng nghd dam bao an toan lao ddng van hanh thiet bi lam sach tdn vd tau bing tia nudc ap luc cao - Che tao va lap rap hoan chinh 01 he thdng thidt bi lam h tdn vd tau bang tia nudc ap luc cao cd ap suat 2500 •ar, luu lugng 20-25 I/min, sach Sa 2.5 Nhirng ket qua da dat dirac Trong thdi gian vua qua, nhdm nghidn ciiu cua XNLH fa Son da hoan dugc mdt sd cdng vide Cu thd la: - Hoan xay dung Thuydt minh dd tai va da dupe •he duyet - Da nghidn cim cdng nghd lam sach tdn vd tau bang tia nudc ap luc cao trdn thd gidi va nudc, nghidn ciiu, khao sat, phan tich va lua chpn phuong an thidt bi •hii hgp vdi didu kidn va ydu cau cua san xuat dd ra, xac pinh ap suit cin thidt va ap luc tia nudc can dat tai mat tidp xflc, lira chpn cac thdng so cdng nghd va thidt kd sa bd he thdng thidt bi, tap trung nghidn cim cdng nghd sii dung son gdc epoxy dd son sau lam sach bing nudc tinh toan, thidt ke he khung thidt bi, than ndng sflng, phin lpc cao ap, bd didu tidt ap, he dng nudc, ric co, mat bich va he thdng didn - Da nghidn cuu xay dung cae bd quy trinh cdng nghe chd tao, lap dat he khung thidt bi, than sung phun nude, quy trinh cdng nghd lap dat thidt bi hudng dan su dung thidt bi va quy trinh an toan lao dpng van hanh thidt bi lam sach tdn vd tau - Da td chue 01 Hdi thao khoa hpc 2.6 Nhirng van de dang nghien ciru Dd tai dugc thuc hidn thdi gian 24 thang Ngoai nhung cdng vide da hoan thanh, hidn nhdm nghien ciru dang tidp tue nghidn cuu cdng nghd xu li bd mat tdn bang dung mdi dd son vd tau sau lam sach bing nudc Ngoai ra, chflng tdi dang tidp tue nghien cim xay dimg cac bd quy trinh cdng nghd lap dat than ndng sung, co ciu lam xoay ndng, co cau dau ndng, co cau di chuyen sung, gia treo sflng 2.7 Nhirng kho khan va thuan loi qua trinh thuc hien - Kho khdn: XNLH Ba Son tir 2005 trd lai day, hang nam chfl tri 4-5 dd tai NCKH tu cap Tdng cue den cap Bd Mdi nam cd khoang 20 sang kidn cai tidn ki thuat lam lpi cho don vi hang ti ddng Tuy nhidn chua true tidp tham thuc hidn dd tai cap Nha nudc Day la lan dau tidn don vi va ca nhan tham gia chfl tri thuc hidn dd tai cap Nha nudc ndn khdng tranh khdi bd ngd vd thu tue, quan he, hd so, giay td - Thuan lai: Dugc su quan tam cfla cae co quan chue nang va ngoai quan ddi, su chi dao sau sat cua lanh dao dan vi vide td ehuc phdi hgp thuc hidn Dugc md rdng quan he, dupe tidp xuc vdi cac co quan KHCN cfla Nha nudc, hpc hdi thdm dugc nhidu kinh nghidm cong tac nghien cfln khoa hpc Dac bidt la su dpng vidn va hudng dan tan tinh cfla Ban Chfl nhidm Chuang trinh KC.05 va van phdng Cac chuong trinh KHCN trpng diem cap Nha nudc 2.8 Kiln nghj XNLH Ba Son la don vi ludn thuc hidn tdt cdng tac NCKH, cae dd tai dupe dam bao dflng tidn dp va thuc hidn vdi kdt qua tdt, vide su' dung kinh phi NCKH ludn chap hanh nghidm chinh theo cac quy dinh Vi vay, XNLH Ba Son ludn mong mudn nhan dugc su giflp dd vd chuydn mdn nghidp vu cung nhu hd trg vd kinh phi cfla cac ca quan KHCN va ngoai quan dpi, dac bidt la Bd Khoa hpc va Cdng nghd vide tridn khai cdng tac nghidn ciiu khoa hoc • T4IP CHf CO KHf V I | T NAM • So + (Thang 01+02) nam 2010 ... nudc cao ap - 01 dudng dng cap nudc dau vao, flPI - 01 he thdng dng cao ap dau va sung phun Ap luc cac tia nudc khdi sung cd thd Idn tdi 2500 bar, nhidn, dau sung cd cau tao dac bidt, cac tia. .. bi phun nude ap luc cao: Phun nudc ap luc cao dudi ap suat cao cua may bom (didn/diezel) nudc dugc dua qua eae Id nhd d mieng ndng sung, dudi ap luc ldn (ddn 250MPa), cac tia nudc va vao bd mat... nghd lam sach tdn vd tau bang phun nudc ap luc cao Hinh 6; Bam nuac cao ap Uraca (Dire) Hinh 7; Bam nuac cao ap Uraca (Dire) Thidt bi phun nudc cao ap Densin Singaporre Day la cdng nghd sach,