VINASHIN
HE THONG PHUN Bl VA PHUN SON TONG DOAN TRONG CONG NGHE DONG TAU
(tie'p theo vd he't) PGS. TS. Dang Xuan Thi Cong ty Co phan Co klii diinli xac Vinashin
III. THONG SO KY THUAT CUA CAC THIET BI CONG NGHE.
A. Thilt bj budng phun bi 1 .Bd phan phun hat
Nhidm vu: Dimg de phun bi lam sach tdng doan Sd lugng: 5- 6 bd, mdi bd 2 vdi phun Loai: Thdi khi va bin bi
ap suit lam vide : 0.8Mpa
The tfch binh c h d : Tdng the tfch 1100kg d'ng phun :09.5- Ollmm 2. Sang, mang va bang tai dai
Nhidm vu: Bi da qua sir dung va cac tap chit khac se dugc mIy xiic, gat chuyen dd'n bd phan sang va mang de Igc so bd rdi theo bang tai dai tdi giu nang. • •'
Mang : L2000 xWlOOO x HIOOO (mm) Bang tai: 1 bd, cdng suit 100 - 120 tin/h 3. Giu tai
Nhiem vu: Van chuyen hat phun bi da qua sii dung va cac tap chit dua ldn bd phan phan ly lam sach bi.
Sd lugng : 1 bd
Cdng suit: 100 - 120 tIn/h 4. He thd'ng phan ly bi
He thd'ng nlm giiia diu ra cua giu tai va diu vao cua thiing c h d bi. Bi kim loai dugc chuyin din he thd'ng phan ly tir c d ra cua giu tai qua clu trugt. Bdn trong he thdng phan ly cd lip mat trdng.
Mat trdng la sang 05. Hat kim loai dugc day vao phfa trong tang trdng nhd vft xoan. Sau khi hat kim loai ra khdi vft xoln, roi xud'ng mit sang (Id 5mm). Trdng quay se day ra c d sau cac tap chit nhu gi ban, que ban. Cac chit nay roi xud'ng phdu va theo dudng d'ng di ra ngoai. Tai khoang phia dudi tang trdng dugc lip mdt he thd'ng hiit bui, vi vay toan bd bui ciing hat kim loai bi vd dugc hiit qua cac Id 5mm vao he thd'ng lge bui. Cac hat kim loai khdng bj vd se roi xud'ng day budng phan ly rdi vao thap c h d de tai xir dung.
Sd lugng : 1 bd Cdng suit: 120 tIn/h 5. Mang c h d bi
Nhidm vu: Bi sach sau khi dugc tach khdi bui se di vao mang c h d bi trudc khi di phun bi tiy gi.
Sd lugng: 1 bd d.Thap c h d bi
Nhidm vu: Hat mai, sau khi dugc thu hdi se chay vao thap c h d trudc khi chuyen vao cac binh phun bi cho tai sir dung.
Sd lugng : 1
Dung tich: C h d dugc 150- 200 tan bi 7.Thu hdi bi bang chan khdng
36
Nhidm vu: Khi thu hdi hat mai de tai sii dung, do may xiic, gat chi ed the thu hdi duge hat mai trdn san nha ndn ngudi ta diing thdm may thu hdi bi bang chan khdng de cd the hiit hit nhung hat mai roi trong tdng doan va nhung noi may xiic gat khdng boat ddng duge.
Sd lugng : 2 bd Bom chan khdng : Luu lugng: 50m3/phut
Ap suit chan khdng: - 450mmHg 8. He thd'ng thu hdi bui d bd phan phan ly Nhidm vu chfnh ciia bd phan thu hdi bui la tach bui khdi hat mai khi hat mai di qua bd phan phan ly bi.
9. He thdng lge bui chfnh
Nhidm vu: Dam bao cho khdng khf trong budng phun bi dugc luu thdng ft nhit 16 dd'n 20 lln/h, nhim hut va lge bui bay trong phdng, dam bao tim nhin khi lam vide.
Sd lugng:
Kilu lge:
Quat:
- Luu lugng : - ap suit tinh:
I b d Loc bui tiii
120 - 140.000 m'fh 200 mm cdt nudc Kha nang lge bui dat: 99,90%
10. Trang bi cho cdng nhan budng phun bi:
Trang bj cin thidt: Mu bao hd vdi chup d p khf sach (khdng ft hon 1601/min), tim chin bao vd.
LtADfi
~fflfc--.-.gang tay dac bidt, den di ddng, quin ao bao hd...
B. Thilt bi budng phun son
Trong he thd'ng cd hai budng phun son, duge trang bj hoan toan gid'ng nhau.
1. He thd'ng phun son:
Nhidm vu: Phun son tdng doan.
So may phun son: 03 may/01 budng son So vdi phun: 02 vdi phun/ may
Ty sd nen: 68:1
Kha nang son: Khoang 300 m W O l vdi phun 2. He thd'ng thdng gid va hiit bui son:
Dam bao cho khdng khf duge luu thdng ft nhit 16 dd'n 20 lln/h, nham thu bui son cho budng phun son va bao dam an toan chay nd.
So lugng : 01 bd/ 01 budng son Quat hiit:
Nhidm "vu: Hut khf va Igc bui (mui) son Luu lugng: 115 - 130.000 m^/h
Cira hut: 05 c d hiit/ 01 budng 3. He thdng dieu hoa do Im
Do Im ciia khdng khi trong budng son chi ndn d 75 - 80%. Ngudi ta giam do am ciia khdng khf trong budng phun son bing each sir dung may gia nhiet (cdng suit 120.000 Kcal/h) + bd thdi khf (110 mVmin) hoac td't hon n d la dimg may didu boa do Im (Dehumidifier).
4.May say:
Nhidm vu chfnh ciia may sly la de lam khd bl
VINASHIN
mat son, giiip giam thdi gian chd son khd.
Sd lugng: 02 mIy diing chung cho ca day chuyen. Trong trudng hgp cu the, cd the tang cdng suit cua may gia nhiet de ciing liic lam nhidm vu dieu hoa do Im cho ca budng phun bi va sly khd budng son.
Cdng suit: 140KW Luu lugng gid: 6.000 m'/h
Chiic nang lam ndng (Heater Funtion): 2.000 kcal/h
C. Thilt bi khac 1. May nen khf:
He thd'ng may nen khf dung chung cho ca budng phun bi va budng phun son. Tdng luu lugng khf nen dugc xac djnh bing tdng khf nen dimg cho phun bi, phun son va may mai hoi. Ngoai ra cdn phu thudc vao he sd sir dung ddng thdi (k) cac vdi phun va cac dung cu sir dung khf khac (k=0,75-l).
Dd'i vdi he thd'ng phun bi va phun son dang ndi d trdn, luu lugng khf nen cin khoang 90-100 mVmin, ap suit lam vide 7-9 bar. Ndn dung may nen khf kieu true vit; Lge hai lln; Cd may sly khd, may sly khf lanh. Sd may nen khf ndn chgn la 4- 6 cai de du phdng cho vide duy tu bao dudng, s d c h d do hu hdng dot xua't.
2. Binh tich khf:
Sd lugng: 01 bmh The tfch: 12 m^
Ap suit lam vide: 0.8 iMPa Kha nang chju nhiet: 45''C
3. May xiic gat phuc vu budng phun bi:
iNhidm vu: Xiic, gat bi vao sang, mang de bi tid'p tuc dugc tai sir dung
4. Ong din khf va diu nd'i:
iNhidm vu: Dung de nd'i cac thidt bi vdi nhau de he thd'ng cd the van hanh dugc.
Ong din va diu nd'i dugc che tao ddng bd vdi cac thilt bi chfnh giiip cho vide van hanh dugc thuan lgi hon.
5. He thd'ng den chidu sang:
Budng phun bi: Chidu sang bang didn.
Sd den: 26 den 400W/01 budng
Budng phun son: Chidu sang tu nhidn kit hgp vdi chidu sang bing didn.
6. Dieu khien:
He thd'ng dieu khien dugc dat trong 01 budng rieng bidt, dugc each am, trong budng bd trf bang
dieu khien c d tit ca cac thie't bj chfnh.
He thd'ng dieu khien dugc bd trf de thuan lgi cho ngudi van hanh quan sat va didu khie'n (Cac cdng tic didu khien dugc hien thj bing den bao. cd chudng bao su cd, cd nut dirng khin cap)
KET LUAN
Sau mdt thdi gian nghidn ciiu, thir nghiem chung ta da lam chii dugc quy trinh cdng nghe phun bi lam sach va phun son tdng doan, ddng thdi dao tao dugc hang tram cdng nhan cd kha nang lam chil va van hanh hidu qua he thd'ng. Cdng ty ddng tau Pha Rirng da hoan thanh Du an San xua't thir nghidm cap Nha nudc: "Hoan thidn cdng nghe che tao, lip rap va dua vao sir dung day chuyen lam sach va son kd't clu tdng doan dd phuc vu ddng tau chd diu thd 100.000 DWT" lrong dd da thie't ke, che tao dugc mdt so thiet bi mau mdn.
hay hdng, lip cho chay ddng bd vdi day chuyen ciia nu'dc ngoai. Qua dd cd the khlng dinh: Ve thilt ke, Vinashin da thilt ke dugc day chuven ddng bd; Ve Chi tao: loan bd nha xudng (kd ca c d chfnh, c d thdng g i d cac budng, bgc tuiirng, lat ndn, chid'u sang...), toan bd he thd'ng van chuyen ( bdn, be, giu nang, bang tai, dudng dng). he thd'ng Igc bui, he thd'ng didn... chiing ta ddu cd the thiet ke, c h i tao dugc. Ty Id ndi dja hoa, ve trgng lugng dat khoang 85%, ve gia trj dat khoang 50'/(; Ddi vdi cac thilt bi nhap ngoai, cd the nhap don le tii' nhidu nudc trdn t h i gidi rdi td hgp thanh day chuyen. Gia mdt day chuyen do chiing ta tu thiet k l che tao chi bing khoang 60-75% gia nhap ngoai. •
Tdi lieu tham khao:
I .Day chuyen lain sach vd sifii ket can long dogn phuc vu ngdnh dong ldu.
Trdn Quy Koi
Tap chi Hogt dgng Khoa hoc, Sd II .2()()<S 2. EQUIPMENT EOR SHIPYARD.\n