Dinh Van Huu08

Bo Co Thc Tp in- in Lnh

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Thng hiu cung cp my chiller, AHU cho DRAGON TOWER

GVHD: Nguyn Hu Quyn inh Vn Hu

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NHN XT CA CNG TY........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ...........................................................................................................


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NHN XT CA GIO VIN........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ........................................................................................................... ...........................................................................................................


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LI CM NBo co thc tp l vic nh du cho vic kt thc mt qu trnh rn luyn v hc tp ca sinh vin, y cng l c hi cho em tip cn thc t hc tp v tch ly kinh nghim sau khi tt nghip. Bai bao cao nay c hoan thanh nh s giup cua quy Cng ty, thy c va cac ban trong lp CN KTML 08. Em xin chn thanh cam n cac anh va ban lanh ao Cng ty K NGUYN, cac thy c trong b mn in Lanh va cac ban cung khoa a giup em trong sut qua trinh hoc tp va thc tp nay. Em xin chn thnh cm n ton th Ban Gim c Cng ty TNHH TM-DV K NGUYN, cng cc anh ch ti ni lm vic tn tnh hng dn, gip em trong sut thi gian thc tp, gip em i su tm hiu thc t phong ph, a dng v to mi iu kin thun li em hon thnh xong chuyn thc tp ca mnh. Sau khi kt thuc thi gian thc tp, khng nhng giup em cng c lai kin thc ma minh a hoc ma con hiu thm c nhng thit bi, may moc va m hinh ngoai thc t. Mc d c nhiu c gng, song do kin thc cn hn ch nn bo co ny khng trnh khi nhng thiu st. V vy, em rt mong nhn c nhng kin ng gp, b sung ca qu thy c cng c ch, anh ch trong Cng ty, bo co thc tp ca em c hon thin hn. Knh chc qu thy c v ton th cc c ch, anh ch trong Cng ty di do sc khe, thnh cng trong cuc sng cng nh trong cng vic ca mnh. GVHD: Nguyn Hu Quyn inh Vn Hu 4 SVTH:

Bo Co Thc Tp in- in Lnh Em xin chn thnh cm n.

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TP. HCM, ngy 15 thng 5 nm 2011

LI M AUCung vi cong cuoc oi mi, cong nghiep hoa hien ai hoa at nc ky thuat lanh ang phat trien manh me Viet Nam. Tu lanh, may kem, may ieu hoa nhiet o, tr len quen thuoc trong i song hang ngay. Cung vi s phat trien o nhieu cong ty ra i canh tranh nhau mot cach soi ong ong thi Nha nc con co nhieu chnh sach u ai khuyen khch au t nc ngoai, nhieu loai hnh cong ty ra i nham ap ng nhu cau ngay cang cao cua xa hoi. Cung vi s phat trien o Trng Cao ang ky thuat Cao Thang m lp chuyen nghiep nganh ien lanh, ao tao cong nhan ky thuat cung cap lao ong cho s phat trien o. Sau thi gian hoc tap tai trng em a co kien thc nhat nh ve nganh ien lanh cuon bao cao nay la tong ket anh gia nhng kien thc ma em c hoc trng va viec lam thc te trong qua trnh thc tap.


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Phn A: GII THIU V CNG TY THC TP1. Gii thiu v Cng ty.Tn Cng ty vit bng ting vit : Cng ty TNHH TM-DV K NGUYN Nghnh ngh kinh doanh: Cng ty TNHH TM & DV K NGUYN l mt Cng ty chuyn v thi cng lp t h thng ng gi treo trn, gia cng ng gi v bo n h thng lnh. 2. Tr s chnh : /C: 3/20 Thch Qung c, P3, Q Ph Nhun, TP.H Ch Minh T: 0839904950, Fax: 08.39955418 Email: [email protected] 3. Vn phng i din: /C: 440/73 Nguyn Kim, P3, Q Ph Nhun, TP.H Ch Minh T: 08.38445771-39955416, Fax: 08.39955418 Email: [email protected] 4. Xng c kh (xng 1&2): /C 44D/2, Quc l 13, P.Hip Bnh Chnh, Q.Th c GVHD: Nguyn Hu Quyn inh Vn Hu 6 SVTH:

Bo Co Thc Tp in- in Lnh T: 08.54035508, Fax: 08.54224936 5. Xng sn xut ng gi (xng 3):

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/C : S 77, ng s 2, P.Trng Th, Q.Th c, TP.H Ch Minh T: 08.22170338 6. Cn b hng dn : Nguyn Tun Kit Trn nh Lc T luc mi thanh lp cho n nay Cng ty a hoan thanh tt cac nhim vu, co tinh thn trach nhim cao, lun lun t uy tin ln hang u. Trong tinh hinh kinh t ngay cang phat trin va hi nhp, Cng ty a nng cao cht lng phu hp vi tinh hinh thc t, phu hp vi ng li m ca, phu hp vi chc nng ng ky kinh doanh cua minh. Cng ty TNHH TM- DV K NGUYN a c gng khng ngng phat trin tao c kinh nghim trong hoat ng sn xut, kinh doanh cua minh. Nh y thc kinh doanh nng ng, a dang hoa cac nganh ngh nn ngoai vic bao toan va phat trin vn, doanh thu, lai, Cng ty con thc hin ung nghia vu cua minh i vi nha nc.


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Phn B: GII THIU V CNG TRNH THC TP V H THNG HKK S DNG

1.Gii thiu v ni thc tp Cng trnh ti ni em thc tp l cao c vn phng DRAGON TOWER ta lc ti 218 Nguyn Hu Th , Khu 8, Phc King, Nh B , TPHCM. Cng trnh c xy dng vi din tch 2700m 2 , GVHD: Nguyn Hu Quyn inh Vn Hu 8 SVTH:


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Hnh 1: Cao c Dragon Tower din tch mt sn hn 34500 m 2 S tng xy dng ca khu nh l 15 tng v mt tng my

. Lin doanh Tng Cng ty Du Kh Vit Nam _PV GAS, Tng Cng ty CPXy Lp Du Kh Vit Nam _PVC-IC v Cng ty C Phn a c Ph Long khi cng xy dng cao c vn phng Dragon Tower, ti khu Nam TP.HCM..

2. Gii thiu v h thng HKK s dng. Ta nh s dng h thng lnh WATER CHILLER , dn ngng gii nhit bng gi, trong tng tng s dng AHU lm lnh khng kh sau


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lng khng kh lnh ny c dn qua cc ng gi v c thi vo khng gian cn lm lnh. Hnh 2: Qut gii nhit dn ngng Hnh 3: Cm Chiller - C tng cng 6 cm Chiller do hng TRANE cung cp, mi cm c cng sut 1050KW vi 3 my nn trc vt, 3 dn ngng, 1 bnh bay hi ng chm nm ngang (mi cht i ngoi ng, nc i trong ng). - C 8 bm nc lnh cng sut 11KW v 3 bm cng sut 75KW. C 15 phng my AHU, mi phng c 2 my c cng sut nh sau: -Tng 1 : -Tng lng : -Tng 2 : -Tng 3 : + AHU 1-1 : 20 KW , 170 kw + AHU 1-2 : 40 KW , 270 kw + AHU M-1 : 20 KW , 230 KW + AHU M-2 : 40 KW , 168 KW + AHU 2-1 : 20 KW , 232 KW + AHU 2-2 : 40 KW , 228 KW + AHU 3-1 : 20 KW , 186 KW + AHU 3-2 : 40 KW , 175 KW -T tng 4 n 15 : + AHU 4-1 n 15-1 : 20 KW , 210 KW + AHU 4-2 n 15-2 : 20 KW , 190 KW Tt c cc ng c AHU u s dng in 3 pha 380V 50HZ.


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Hnh 4: H thng cc my bm nc lnh - Gii thiu v h thng HKK Water Chiller : l my sn xut nc lnh dng trong iu ha khng kh trung tm , s dng nc l cht ti lnh. Nc s c lm lnh qua bnh bay hi (thng vo khong 120C v ra khong 70C). My chiller gm 4 thit b chnh ca chu trnh nhit cn bn l my nn, thit b ngng t, van tit lu v thit b bay hi. Ngoi ra c thm 1 s thit b khc. Thng th chiller c sn xut nguyn cm khng tch ri. - ng dng: Hin nay cc loi Chiller lp t rt nhiu cho cao c vn phng, khch sn cao tng, nh my c, lnh vc phng sch (clean room) nh Intel Vietnam 4 chiller TRANE ly tm 2390RT(Tons), hay 4 chiller TRANE ly tm sn bay Tn Sn Nht, 4 chiller ly tm 1000 RT hng TRANE cng trnh Bitextco Finalcial Tower 68 lu TP.HCM. Cc nh cung cp Chiller nh TRANE, Carrier, York. Mcway, DunHamBush.

3. Nguyn l hot ng ca h thng:GVHD: Nguyn Hu Quyn inh Vn Hu 11 SVTH:


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Cng nh cc h thng iu ha thng dng. Sau khi hi qu nhit ngng t dn ngng s c i qua phin lc, van tit lu, van in t s i qua bnh bay hi. Ti y nc i trong ng mi cht i ngoi ng lm lnh nc xung khong 120C -70C v c bm a n cc phng cha AHU. Ti y nc lnh s qua dn lnh trao i nhit vi khng kh trong phng (x l khng kh) v c qut thi ln theo ng ng gi ri n cc ming thi vo phng.

Phn C: NI DUNG THC TP1. LP T MY LNH 2 KHIGVHD: Nguyn Hu Quyn inh Vn Hu 12 SVTH:


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2. KHOAN TI 3. GIA CNG NG GI 4. TREO NG GI 5. M NG GI 6. BC CCH NHIT NG GI 7. KT NI NG GI 8. TREO MING THI, MING HI 9. KT NI NG MM 10.C TNG 11. BN SILICONNgoi ra em cn lm thm mt s cng vic khc nh khing vc ng gi, khing tn, khing dn gio, i ly , ct ti, khoan V, vc ng mm,.. 1. LP T MY LNH 2 KHI y l cng vic em lm trong thi gian thc tp o Cn Sn cng trnh Six Sense t ngy 20/12/2010 n ngy 24/01/2011. Quy trnh lp t. Nhn my, kim tra nim phong ca my. Chn v tr lp t dn nng, dn lnh hp l sao cho va c thm m va p ng c cc yu cu k thut . Ly du gn gi dn lnh, khoan tng, ng tacke gn gi sao cho dn lnh phi cch trn khong 20cm gi c th lu thng vo ra trao i nhit vi dn lnh c d dng v phi c nghing thot nc ngng


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+ chn v tr lp t dn nng c th cao hn hoc thp hn dn lnh ty thuc vo khng gian lp t. c tng, o ct ng ng (i vi my 1HP ta chn ng ng cho ng gas i l 6mm, ng gas v l 10mm), ng nc x. Loe u ng ng v kt ni dn nng v lnh (trc khi kt ni phi v sinh long ng ng tht k). dng c l sit cht. Tin hnh ui gi dn lnh bng cch dng lc gic m van 2 ng cho gas i qua dn lnh sau x gi ra u rui van 3 ng. Tin hnh th x cho h thng c bit cc v tr ni ng bng bt x phng nu pht hin x h phi x l. Gn ng nc x Kt ni ng dy in gia dn nng v dn lnh Qun simili bo n ng ng ng. Tt c ng ng, ng nc x v dy in ta qun chung ty theo khng gian lp Hnh 5: Loe ng ng kt ni u nng t m ta c th i m tng hoc i ni. u ngun cho dn lnh cho chy my kim tra cc thng s nh dng lm vic phi t 2.5 3.0A p sut bay hi 70 90 PSI Kim tra ng thot nc ngng Bn giao my. 2. KHOAN TI


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Bo Co Thc Tp in- in Lnh -Mc ch : treo ng gi ln trn, treo ming thi gi,VCD,. - Cch thc hin :

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c bn v xc nh v tr treo ng. Kch thc ng sau ly du v tr khoan ti trn trn. Ch trnh nhng v tr c dy in, cp, ng nc i ngm trong trn. + Dng khoan b tng vi cc loi mi khoan : 8 , 10 , 12 ,Tng ng vi cc loi ti :M6 , M8 ,M10 , ti + Sau khi khoan xong ta ng tc k ln trn v gn ti , sau dng c l xit cht ai c ch tip gip gia tc k v ti ln trn. Ty theo tng loi ng gi m ta s dng tng loi ti cho ph hp . 3. GIA CNG NG GI Dng c: ba, my khoan, thc, kim rt Rive, Rive, c. Mc ch: hon thin ng gi lp t ng ng. Cch thc hin: chn cc tm tn ng kch thc ca ng gi cn gia cng, t cc tm tn vo cho khp m ri dng ba g gp m li. Hnh 7: Gia cng ng gi Ty theo loi ng gi m ta c cc mt bt khc nhau: ng gi c kch thc 1400mm th bt mt bt, dng khoan khoan l bt Rive c nh mt bt. Hnh 6: Khoan


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Bo Co Thc Tp in- in Lnh 4. TREO NG GI -Mc ch : treo ng gi ln trn. Dng c: xe nng, dn gio, kha, c l, v gi .

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- Cch thc hin : ty theo tng loi ng gi, khng gian lp t, kch thc ln nh m ta c th ln tng ng 1 hoc nhiu ng c kt ni sn di t + i vi nhng ng gi ln th ta dng xe nng nng ng ln n v tr cn treo ri ta bt V treo ng gi ln. + i vi nhng ng gi nh hay nhng ni c vt cn m xe nng khng vo Hnh 8: Treo ng gi bng xe nng

c th ta dng dn gio ln v khong 4 , 5 ngi leo ln sau khi tht dy an ton th tin hnh a ng gi ln v treo ng gi tng t nh xe nng. 5. M NG GI, BT GT


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Bo Co Thc Tp in- in Lnh Dng c: my ct, my khoan, thc, bt lng. Mc ch: r nhnh dn gi sang cc nhnh nh. Cch thc hin: dng thc xc nh v tr, kch thc cn m dng bt lng vch du ri dng my ct ct l. Dng my khoan bn U a gt ln v tin hnh gn i vi nhng gt ng ln th ta cn 2 ngi gi v mt ngi dng vt bn Hnh 9: L m ng gi

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dnh vo ng gi chnh.i vi nhng gt nh th ch cn 1 ngi nng v 1 ngi bn vt l c. 6. BC CCH NHIT NG GI Mc ch: y l cng vic rt cn thit i vi bt k mt h thng lnh no nhm bo n h thng ng gi trnh ng sng trn ng gi v trnh tn tht nhit trn ng ng Cch thc hin: Ty thuc vo c tnh ca vt liu cch nhit ma ta c tng cch bc cho ph hp. v d. i vi mt cch nhit thi ta s dng keo con ch dn mt vo mt ngoi 17


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Bo Co Thc Tp in- in Lnh ca ng cn i vi bng thy tinh th ta ch bc bn ngoi. cch nhit hp Bc

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Hnh 10: Bc

S dng cc vt liu cch nhit nh: mt cch nhit, bng thy tinh bc kn ng gi, hp bc. Sau dng bng keo bc dn kn cc m ni trnh khng kh lt vo tip xc trc tip vi b mt ng gi. 7. KT NI NG GI Ty theo kch thc ng gi ln nh m ta c cc cch kt ni khc nhau nh dng np C, np TDC, bu lng ai c. Mc ch: kt ni ng gi li vi nhau lp t thnh h thng hon chnh. Trc khi kt ni ng gi ta Hnh 11: Dn ron ng gi phi dn ron gia 2 m kt ni m bo kn cho mi ni Cch dn ron nh sau: dng keo con ch qut ln b mt ni gia 2 ng gi v qut ln b mt ca tm ron sau dn chng li vi nhau.Nu ng gi dng bulng ni li (ng ln) th ta ch cn dn ron 1 mt ,nu ng gi dng np C ng li th ta phi dn ron 2 mt ng ri sau chm li v ng np. A. Kt ni bng np C. Dng c: np C, ko ct tn, ba, silicon, thc o. GVHD: Nguyn Hu Quyn inh Vn Hu 18 SVTH:


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Cch thc hin: o kch thc ng cn kt ni, dng ko ct np C ng vi kch thc ng Hnh 12: Mi ni bng np C v np C 2 m kt ni p st li vi nhau v ng np C vo sao cho 2 m gp ca np C mc vo 2 m gp ca 2 mt kt ni 2 ng. Bn silicon vo khe h np C ca m ni. B. Kt ni bng np TDC Dng c: np TDC, bulong, ai c, kha ng vi ai c. Cch thc hin: 2 mt bt kt ni 2 ng p st li vi nhau Bt bulong 4 gc ri dng kha sit cht. Hnh 13: Mi ni bng np TDC v np TDC Dng by TDC by TDC vo ng gi sau dng ba ng cho cht li. Nu khng c by TDC ta dng c l 17, 19 hoc kim bm cng c th by c. C. Kt ni bng bulong, ai c Dng c: bulong ai c c kch thc M8,


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kha 13 ng vi bulong ai c, my khoan st vi mi khoan ng vi kch thc bulong Cch thc hin : Ta dng bu lng c bng bulong & bulong ng knh M8 x qua mt bt,dng ai c tng ng vn vo sau dng c l 13 Nhng ch 2 l bt bulong ca 2 mt bt khng trng khp th ta dng my khoan khoan li ri bt bulong vo 8. TREO MING GI THI, MING HI Dng c: my khoan b tng vi mi khoan 8, ti 6, tacke M6, ba, bt lng. Mc ch: treo ming gi thi, gi hi tren trn ti nhng v tr c thit k sn trn bn v. Cch thc hin: c bn v, xc nh v tr cn treo Hnh 15: Ming thi gi lnh Dng bt lng ly du 4 im 4 gc trn trn ng vi 4 gc trn ming thi, ming hi Dng my khoan b tng khoan 4 l ti 4 v tr c xc nh trc ng tc k, gn ti, v tin hnh treo ming thi, ming hi. 9. KT NI NG MM GVHD: Nguyn Hu Quyn inh Vn Hu 20 SVTH: Hnh 14: Mt bt kt ni

Bo Co Thc Tp in- in Lnh Mc ch : ng gi mm l ni ni gia gt ng gi vi ming thi.

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Cch thc hin : o kch thc t gt ng gi ti ming thi,sau o v ct ng gi mm,gn ng gi mm vo gt v ming ng mm thi ri dng dy km buc cho cht li,dn bng keo bc v qun bng keo trong li cho tht k.i vi nhng ng mm qu di ta c th bt thm mt vi cp ti treo ng gi mm ln. 10. C TNG Hnh 16: H thng

Dng c: my ct tng, my ph b tng, ba, c, thc, bt lng Mc ch : dn ng gi qua ngang tng,ly gi ti vo cho AHU . Cch thc hin : Dng thc, bt lng ly du ch cn c Dng my ct tng ct xung quanh theo ng ly du sn Dng ba v c b tng c ht phn cn c 11.BN SILICON Mc ch : lm kn nhng ch h nhng ch ng np c,nhng ch bn gt ng gi. Cch thc hin : gn chai silicon vo sng bn silicon , dng tay bp mnh cn sng bn silicon vo nhng ch h nhng ni ng np ,ch bt gt. Bn silicon vo nhng ch h sao cho tht kn l c . Hnh 17: Bn Silicon GVHD: Nguyn Hu Quyn inh Vn Hu 21 SVTH:


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Phn D: T NH GIQua qu trnh thc tp th em thy cng vic c giao ph hp vi kh nng ca mnh, p dng c nhng kin thc hc c trng vo thc t. Nh s hng dn ca gio vin v cc anh ch huy trn cng trng em hon thnh tt cng vic c giao.


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MC LCTrang Nhn xt ca Cng ty ........................................................................................2 Nhn xt ca gio vin ......................................................................................3 Li cm n ........................................................................................................4 Li m u ........................................................................................................5 Phn A: GII THIU V CNG TY THC TP .........................................6 Gii thiu v Cng ty. .......................................................................................6 2. Tr s chnh : ..........................................................................................6 3. Vn phng i din: .................................................................................6 4. Xng c kh (xng 1&2): ....................................................................6 5. Xng sn xut ng gi (xng 3): .........................................................6 6. Cn b hng dn ....................................................................................6

Phn B: GII THIU V CNG TRNH THC TP V H THNG HKK S DNG ..................81. Gii thiu v ni thc tp .........................................................................8 2. Gii thiu v h thng HKK s dng. ...................................................9 3. Nguyn l hot ng ca h thng: ........................................................11 Phn C: NI DUNG THC TP ...................................................................12 1. Lp t my lnh 2 khi ..........................................................................12 2. Khoan ti ...................................................................................................14 3. Gia cng ng gi .....................................................................................14 4. Treo ng gi ............................................................................................15 5. M ng gi, bt gt .................................................................................15 6. Bc cch nhit ng gi ............................................................................16 7. Kt ni ng gi .......................................................................................17 GVHD: Nguyn Hu Quyn inh Vn Hu 23 SVTH:


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A. Kt ni bng np C .........................................................................17 B. Kt ni bng np TDC ....................................................................18 C. Kt ni bng bulong, ai c ............................................................18 8. Treo ming gi thi, ming hi ..............................................................19 9. Kt ni ng mm .....................................................................................19 10. c tng .............................................................................................20 11. Bn silicon ............................................................................................20 Phn D: T NH GI ................................................................................21


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Dinh Van Huu08