Bao cao tt nghip

Chng 1 TNG QUANI.TNG QUAN V NGNH KH VIT NAM

1. Tim nng kh Vit Nam

Nc ta c th gii nhn nhn l quc gia cn non tr trong ngnh cng nghip kh. Theo s liu thm d v tnh ton, nm 2009, tr lng kh pht hin c Vit Nam l 610 t m3, ng th 31 so vi tr lng kh cc nc trn th gii.

Theo Petro Vietnam Gas Co. : Tr lng kh ca Vit Nam phn b trn ton lnh th nhng ch yu cc b Nam Cn Sn, Sng Hng, Mkng, Malay-Th Chu. Cho n nay Vit Nam ang khai thc 6 m du v 1 m kh, hnh thnh 4 cm khai thc du kh quan trng.

Thnh phn kh thin nhin Vit Nam:

Cc cu tThnh phn kh (% mol)

Tin HiRng (m kh)

C187,6484,77

C23,057,22

C31,143,46

i-C40,121,76

n-C40,17

C5+1,461,3

N2, CO26,421,49

Ngoi cc m kh thin nhin th phi k n lng kh ng hnh t cc m du nh Bch H, Nam Cn Sn, i Hng.

Thnh phn kh ng hnh Vit Nam:

Cu tBch HRngi Hng

C171,5976,5477,25

C212,526,989,49

C38,618,253,83

iC41,750,781,34

nC42,960,941,26

C5+1,841,492,33

CO2, N20,725,024,5

Ngoi khu vc trn, thm lc a min trung cng pht hin mt s m kh nhng hm lng CO2 qu cao n 75%, cn hm lng hydrocacbon khng ng k. Cc m ny khng c khai thc v khng c hiu qu kinh t.

2. Cc d n khai thc v s dng kh Vit Nam1.2.1. B Cu Long

n bt u i vo hot ng t nm 1995, nhm thu gom kh ng hnh t bn trng Cu Long. Kh thu gom t m Bch H, qua gin nn CCP, a vo ng ng dn vo b cp kh nhanh cho nh my in B Ra.

Nm 2001, hon thnh ng ng Rng ng-Bch H, b sung ngun kh t m Rng ng vo h thng kh Cu Long vi cng sut thit k 4,5 triu m3/ngy.

Nm 2008, b sung thm kh t cc m Phng ng v C Ng Vng.

Nm 2009, hon thnh v a vo vn hnh ng ng thu gom kh t cc m S T en, S T Vng vi cng sut thit k 4,5 triu m3/ngy.

2.2. B Nam Cn Sn

H thng ng ng dn kh t m Lan Ty/Lan (L 06.1) v m Rng i/Rng i Ty (L 11.2) n trm x l kh Dinh C: Cng sut thit k 20 triu m3/ngy m, cung cp kh cho cc h tiu th ti cc khu cng nghip Ph M, Nhn Trch, Hip Phc...

2.3. B PM3-46 Ci Nc

D n ng ng dn kh PM3-C Mau l mt phn ca d n cm Kh in m cung cp kh thin nhin lm nhin liu cho cc Nh my in v Nh my m C Mau, c thit k vi cng sut tuyn ng l 2 t m3/nm.

Kh c cung cp cho cc h tiu th l Nh my in C Mau 1, Nh my in C Mau 2 v Nh my m C Mau. Sn lng in ca 2 nh my in s chim 8% sn lng in quc gia v sn lng m s p ng 30% nhu cu m quc gia.

II. TNG QUAN V CNG TY KH VIT NAM

1. Lch s hnh thnh v pht trin

Thng 05/1995, PV Gas hon thnh h thng ng ng dn kh Bch H - B Ra, giai on a nhanh kh vo b ca d n kh Bch H, chm dt vic t b ngoi khi kh ng hnh ca m Bch H, cung cp kh cho nh my in B Ra vi cng sut 1 triu m3 kh/ngy.

Thng 10/1999, PV Gas a vo vn hnh Nh my x l kh Dinh C v Kho Cng Th vi, nh du vic hon thnh ton b d n kh Bch H. T y, ngoi kh kh cp cho cc nh my in ti B Ra v Ph M, PV Gas bt u cung cp cc sn phm lng (LPG v condensate) cho th trng ni a.

Thng 11/2001, PV Gas hon thnh ng ng dn kh Rng ng Bch H. Kh ng hnh t Rng ng c thu gom v a vo b cng vi kh Bch H.

T ngy 17/11/2006, PV Gas c chuyn i thnh cng ty TNHH mt thnh vin thuc Tp on Du Kh Vit Nam vi hn 1000 nhn vin.

Thng 5/2007 dng kh thng mi t m PM3 CAA c a vo b cung cp cho Nh my in C Mau 1, thuc khu cng nghip Khnh An, tnh C Mau. y l cng trnh quan trng ca cm D n Kh in m, gp phn pht trin kinh t cho tnh C Mau v khu vc ng bng sng Cu Long.

Ngy 18/7/2007, Tng cng ty kh Vit Nam c thnh lp trn c s t chc li cng ty TNHH mt thnh vin ch bin v kinh doanh sn phm kh v mt s n v kinh doanh kh thuc Tp on Du kh Vit Nam.

n ngy 7 thng 4 nm 2010, 50 t m3 kh kh c a vo b cung cp cho cc nh my in, nh du mt ct mc quan trng cho qu trnh pht trin ca PVGAS ni ring v ca ngnh cng nghip du kh Vit Nam ni chung.

Hin nay, PVGAS tr thnh mt cng ty vng mnh vi i ng nhn vin ng o 1050 nhn vin. p ng nhu cu tiu th kh kh, LPG v condensate cho th trng Vit Nam.

2. Gii thiu v cng ty

Tn cng ty: Tng cng ty kh Vit Nam Cng ty TNHH mt thnh vin

Tn vit tt: PV Gas

Tr s:

101 L Li, TP. Vng tu, tnh B Ra Vng Tu, Vit Nam

Tel:

+84 (64) 832628

Fax:+84 (64) 838838

email:ninh.dk@pvgas.com.vnWeb:www.pvgas.com.vnNgnh ngh kinh doanh:

Thu gom, vn chuyn, tng tr, ch bin kh

u t c s h tng h thng phn phi sn phm kh kh, kh ha lng ng b, thng nht ton Tng cng ty t khu ngun cung cp n kho phn phn phi bun bn, bn l trn phm v c nc v nc ngoi.

T vn thit k, lp d n u t, u t xy dng, qun l, vn hnh, bo dng, sa cha cc cng trnh, d n kh v lin quan n kh.

Xut khu cc sn phm kh kh, kh LPG, kh lng.

Nhp khu vt t, thit b v phng tin phc v ngnh kh.

Thc hin cc ngnh khc khi c ch s hu cng ty giao.

Chng II: NI DUNG THC T THU THP CI. TNG QUAN V KHO PV GAS VNG TU1. nh ngha cc ch vit tt

KCTV: Cng PV Gas Vng Tu

BH: Bch H

NCS: Nam Cn Sn

LBV: Trm van c lp

CPP: Nh my ch bin Condensate

PMPC: Nh my nha v ha cht Ph M

LPG: Kh du m ha lng

Bupro: Hn hp Butan Propan

MF: iu kin vn hnh ti thiu

2. Gii thiu chung2.1 V tr a l, c im khu vc xy dng cng PV-Gas

Cng PV Gas Vng Tu c Cc hng hi Vit Nam cng b theo quyt nh s 48/2001/Q-CHHVN ngy 09/02/2001.

Cng thuc a phn x Phc Tn, huyn Tn Thnh, Tnh B Ra - Vng Tu. Cng nm trong khu cng nghip Ci Mp. Cng nm ven sng Ci Mp, cch ca sng khong 6km. Theo ng b cch quc l 51 khong 5,5km, cch Thnh ph Vng Tu 41km.

n v trc tip qun l Cng l cng ty ch bin kh Vng Tu trc thuc Tng cng ty kh.

Din tch vng t Cng l 12 ha, bao gm bn b cha, nh iu hnh, phng iu khin, h thng cng ngh, h thng thit b ph tr, ng ni b,... Din tch vng nc Cng: 75.750 m2, dc theo b sng 550m v hng t mp cu Cng ra pha lung 150m.

D n ng ng dn kh Bch H l d n u tin ca Vit Nam, c hon thnh nm 1995. D n c thit k nhm khai thc ngun kh ng hnh t m Bch H, m u tin ca Vit Nam cung cp cho nh my in B Ra, thay v t b nh trc y.2.2 Kt cu h tng.H thng kho cha ti KCTV sn phm bao gm 33 bn cha LPG, 2 bn cha condensate BH v 2 bn cha condensate NCS. Bn cnh , KCTV cn c trang b cc bm xut sn phm ring bit, cc cn xut, h thng o m phc v cho vic xut sn phm xung tu. p ng nhu cu a dng ca th trng, KCTV c trang b mt thit b trn sn xut bupro thng phm t propan v butan theo t l khi lng tng ng l 50:50, 30:70, 40:60.

Mt khc, p ng nhu cu kinh doanh KCTV cng thc hin u ni cng ngh v lp t thm mt s thit b khc phc v cho vic xut, nhp cc sn phm cho cc nh my ln cn:

H thng xut/nhp sn phm xng, reformate cho nh my ch bin condensate (CPP)

H thng nhp nguyn liu VCM cho nh my PMPC.

H thng ng ng cung cp LPG cho trm xe bn

phc v cho qu trnh xut/nhp sn phm lng, KCTV c hai cu cng c trang b cc cn xut:

Cu cng s 1 (Jetty 1): c kh nng tip nhn tu t 2.000 DWT n 20.000 DWT v c trang b cc cn xut phc v cho cng tc xut/nhp sn phm LPG, condensate, xng v nhp VCM.

Cu cng s 2 (Jetty 2): c kh nng tip nhn tu t 500 DWT n 2.000 DWT v c trang b cc cn xut phc v cho cng tc xut/nhp sn phm LPG.

3. Cc thit b chnha) cha propan - 18 bn: SV-101A-F, SV-102A-F, SV-103A-F

b) Bn cha butan - 13 bn: SV-1041-D, SV-105A-F, SV-106A-C

c) Bn cha off-spec 2 bn: SV-107A/B

d) Bn cha condensate BH 2 bn: TK-101A/B

e) Bn cha condensate NCS 2 bn: TK-110A/B

f) H thng cc cn xut/nhp v hi hi:

Cu cng s 1:

LDA-101: xut/nhp propane

VRA-101: Hi hi propane

LDA-102: Xut/nhp butane

VRA-102: Hi hi butane

LDA-105: Xut nhp condensate/xng/du

MLA Z-3101: Nhp/hi hi VCM cho PMPC

Cu cng s 2:

LDA-103/VRA-103: xut propane/hi hi propane

LDA-104/VRA-104: xut butane/hi hi butane

g) Bm xut sn phm:

Bm xut propane: P-101A/B/C (3 vn hnh)

Bm xut butane: P-102A/B/C (3 vn hnh)

Bm xut condensate BH: P-103A/B (2 vn hnh)

Bm xut off-spec: P-108A/B ( 1 vn hnh, 1 d phng)

h) My nn hi bupro:

My nn hi bupro: CMP-102A (1 vn hnh, 1 d phng)

( Hin ti ch c CMP-102A c lp t v a vo vn hnh)4. Tiu chun thit k

4.1ng ng vn chuyn sn phm lng

ng ngPropaneButaneCondensate

Kch thc (inch)666

di ng ng (km)242424

Vt iu ch toAPI 5L Gr.X42API 5L Gr.X42API 5L Gr.X42

Gii hn n m cho php (MM)1.51.51.5

p sut vn hnh/thit k (kg/cm2 g)18/5018/5018/50

Nhit vn hnh/thit k (0C)45.7/6045.7/6045.7/60

H thng catt chng n mn in haCCC

Yu cu phng thoi kim tra ng ngC**C**C**

Loi mt bch300#300#300#

4.2Trm phng/nhn thoi

Trm phng thoiTrm nhn thoi

Kch thc ng phng thoi200 mm (8*) SCH 40x2870 mm di200 mm (8*) SCH 40x2870 mm di

Kch thc ng ng150 mm (6*) SH 40150 mm (6*) SH 40

Gii hn n mn cho php1.5 mm1.5 mm

p sut thit k50 kg/cm2 g (450C)50 kg/cm2 g (450C)

Nhit thit k ti thiu00C00C

Tiu chun thit k ng ngANSI B31.3/ASME B31.4 - 1992ANSI B31.3/ASME B31.4 - 1992

Tiu chun thit k ng phng thoiASME VIII Div.1ASME VIII Div.1

Loi mt bchANSI 300#ANSI 300#

4.3 Cc trm van c lp (LBV)

Cn c tiu chun ASI B31.3 1992, iu khon 434.15.2 th tuyn ng cn phi c cm van c lp v van mt chiu ng vi mi 12 km chiu di v c hai b ca cc con sng chnh ni ng ng i qua. Dc theo tuyn ng b tr cc trm van ngt sau tha mn tiu chun trn:

SK 0051 (KP6+487)V tr: sng Dinh (B Ra)

SK 0052 (KP7+449,2)V tr: B Ra

SK 0053 (KP16+507,3)V Tr: Phc Ha

Thng s ca cc trm van:

p sut thit k:50kg/cm2 g @450C

Nhit thit k ti thiu:00C

Tiu chun thit k ng ng:ANSI B31.3/ASME B31.3 1992

Tiu chun thit k ng phng thoi:ASME VIII Div.1

Loi mt bch:300#

4.4 Tng cha sn phm

LPGCondensate BHCondensate NCS

Tng s bn cha330202

Dung tch lm vic422 m3 (net)6500 m316500 m3

Kch thc mi bn4.2 m x34 m di24m x 18.5 m cao37.5m x 18.5 m chiu cao

Dng bn chaHnh tr nm ngang ph ct bao quanhMi cn (vi phao ni bn trong)Mi cn (vi phao ni bn trong)

p sut thit k17.25 kg/cm2 gPkq+ptt(H=15.175m)Pkq+ptt(H=15.99m)

Nhit thit k-450C/1000C1000C700C

Tiu chun tht kASME Section VIII Div.1API-650 (App.H)API-650 (App.H)

Vt liu ch toSA-516 Gr.70 th va p -460CSA-283 Gr.CSA-36

Tc i gi ti a theo thit k40m/s40m/s

Yu cu kim tra mi hn bng tia XC

Yu cu s l mi hn bng nhitc

Yu cu chng n mn in haC

4.5 c tnh sn phm iu kin tng cha

Sn phmp sut

Kg/cm2 gNhit

0CT trng

Kg/m3 nht

cPTVP

Kg/cm2 g

propane13.1364740.0913.1

butane4.0365610.154.0

Condensate BHKh quyn366500.280.71

Condensate NCSKh quyn50699.270.4109

4.6 Bm sut LPG

S lng bm sut LPG3 bm sut propane P-101A/B/C

3 bm sut butane P-102A/B/C

2 bm sut offspec bupro P-108A/B

Cng sut bm250m3/h

Phm vi hot ng25-110% cng sut

Loi bmbm li tm nhiu cp trc ng

Tiu chun ch toAPI-610

Pht lm knMechanical Tandem

Vt liu ch toAPI-610 loi S-1 hoc cht lng cao hn

4.7 Bm sut condensate

Bm sutCondensate BHCondensate NCS

S bm xut condensate3 bm sut condensate P-103 A/B/C2 bm xut condensate NCS P-130A/B/C

Cng sut bm250 m3/h500 m3/h

Phm vi hot ng25-110% cng sut25-110% cng sut

Loi bmBm li tm trc ngangBm li tm trc ngang

Tiu chun ch toAPI-610API-610

Pht lm knMechanical TandemMechanical Tandem

Vt liu ch toAPI-610 loi S-1 hoc cht lng cao hnAPI-610 loi S-1 hoc cht lng cao hn

II. CC NG NG VN CHUYN SN PHM LNGng ng vn chuyn sn phm lng c chia lm 3 phn - 1) Trm phng thoi, t ti nh my ch bin kh Dinh C - 2) Ba trm LBV nm dc tuyn ng ngm - 3) Trm nhn thoi, t ti KCTV.

Propan, butan lng, condensate BH, condensate NCS c vn chuyn t nh my GPP Dinh C v nh my x l kh NCS n KCTV bng 3 ng ng vi chiu di khong 24 km. Condensate BH v condensate NCS c vn chuyn theo tng m trn cng mt tuyn ng. Hot ng ca cc ng ng c theo di qua h thng SCADA t ti nh my Dinh C.

1. Trm phng thoi

ng ng dn sn phm lng bt u t trm phng thoi SK-003, t ti Dinh C. Trm phng thoi c trang b thit b bo thoi, ng h p sut v van an ton.

Trong ch vn hnh bnh thng, ng ng phng thoi c cch ly khi ng ng bi van cch ly kp.

Vic phng thoi c thc hin bng tay, trnh t tin hnh phng thoi nh sau:

X p v lm lnh ng ng bng Nit

M np ng phng thoi, a thoi vo v lm sch ng bng kh Nit

Khi nhn c tn hiu c hc, m van trn ng bypass, ng van u vo v u ra.

Sau khi c lp trm phng thoi, tin hnh x p, x hi v x lng.

Van an ton trn trm phng thoi ca ng ng condensate c ni vi ng x lng, cn cc va an ton trn trm phng trn ca ng ng butan v propan c ni vi u uc ca nh my GPP Dinh C.

Van ng khn cp (ESDV) c lp t cho tng ng bo v ng ng trong trng hp khn cp. Cc van ny c t cui cc cm phng thoi v c vn hnh thng qua h thng SCADA.

Trn mi ng c lp t cc u ch, cc u ch c lp t thm mt ng ng c van tay c lp phc v cho vic chuyn i ng ng bm sn phm t GPP xung Cng.

2. Trm van c lp (LBV - Line break valve)

C 3 trm van c lp: SK-0051, SK-0052, SK-0053. Mi trm van c b tr mt cm van c lp v van mt chiu cho mi ng ng. Van c lp c vn hnh bng thy lc cho chu k ng v chu k m. B cp thy lc s dng c bm in v bm tay.

Ngun in chiu sng v vn hnh bm thy lc ti trm LBV 1 v 3 c cp t li in quc gia. Cc trm cng c trang b 1 my pht in diesel cng sut 18 KVA v 1 UPS cng sut 4,5 KVA m bo cung cp in lin tc cho cc trm LBV trong trng hp li in quc gia b mt.

Ngun in chiu sng v vn hnh bm in ca b cp thy lc trm LBV 2 c ly t 2 my pht in gas/diesel t ti trm phn phi kh B Ra. Trm van cng c trang b 1 UPS cng sut 4,5 KVA m bo cung cp in lin tc cho trm.

3. Trm nhn thoi

Trm nhn thoi SK-004 t ti KCTV c vn hnh tng t trm phng thoi. Sau khi c tn hiu bo thoi n, ng nhn thoi c c lp, gim p, thng hi, x cn. ng nhn thoi c lm sch bng kh Nit trc khi m ly thoi.

Trm nhn thoi c cc u ch trn cc ng ng c ni vi nhau bng cc van c lp, phc v cho vic chuyn i gia cc ng ng vn chuyn sn phm.

Mt khc, ng ng ny c ni vi ng condensate tm thi (trc y) trong ch AMF v c dn ra 2 cu cng 1 v 2 xut trc tip sn phm t GPP xung tu khi cn. Cc u ch trn ng propan v butan c lp t pha sau trm nhn thoi.4. Tng cha sn phm

4.1. Tng cha LPG

KCTV c lp t 33 bn hnh tr cha LPG gm 18 bn cha propan, 13 bn cha butan v 2 bn cn li cha Off-spec. Cc bn ny c chia thnh 6 cm:

Cm th nht: cha propan gm 06 bn SV-101 A/B/C/D/E/F;

Cm th hai: cha propan gm 06 bn SV-102 A/B/C/D/E/F;

Cm th ba: cha propan gm 06 bn SV-103 A/B/C/D/E/F;

Cm th t: cha butan gm 04 bn SV-104 A/B/C/D;

Cm th nm: cha butan gm 06 bn SV-105 A/B/C/D/E/F;

Cm th su: cha butan gm 03 bn SV-106 A/B/C;

Cha off-spec bupro gm 02 bn SV-107 A/B

Tuy nhin , do tt c cc bn cha c thit k cha propan v c kt ni vi nhau nn bt k cm bn no cng c th s dng cha propan, butan, bupro tr 02 bn cha off-spec.

LPG c nhp vo qua h thng ng nhp. ng knh ng nhp 3, c u ni vo pha trn nh bn. ng knh ng xut 8, c u ni vo pha y bn.

Mi bn cha c lp 2 o mc bng sng Rada: hin th mc cht lng trong bn, cnh bo khi mc cht lng 80,7% ng knh bn (3390 mm).

4.2. Tng cha condensate BH

KCTV c 02 bn cha condensate BH l TK-101A/B. Cc bn cha ny l loi bn mi cn c nh c phao ni bn trong v c vn hnh p sut kh quyn. Th tch ha dng ca mi bn l 6.500 m3 (ng knh 24m, chiu cao 18,5m).

GPP Dinh C xut condensate BH lng ti KCTV qua ng ng 6 vi lu lng 30 - 90 m3/h. Mi bn cha c lp ni vi ng ng 6.Trn ng nhp, trc khi vo bn c lp t ng h o lu lng dng coriolis (FT-1013).

Mt bn thu hi condensate TK-104 c t bn ngoi khu vc tng chng trn ca bn TK-101A/B thu gom condensate t cc bn cha TK-101A/B bng cch s dng bm thu hi lng P-107A/B.4.3. Tng cha condensate NCS

thc hin hp ng vn chuyn condensate NCS, ti KCTV c lp t 02 bn cha TK-110A/B. Cc bn cha ny l loi mi cn c phao ni bn trong v c vn hnh p sut kh quyn. Dung tch ca mi bn l 16.500 m3 (ng knh 37,5m, chiu cao 18,5m).

Nh my NCS bm condensate ti KCTV trn cng mt ng ng 6 condensate BH vi lu lng 83 m3/h. Qu trnh vn chuyn condensate BH v NCS trn cng mt ng ng c thc hin lun phin. Mi bn cha c ni c lp vi ng ng 6. Trn ng nhp trc khi vo bn c lp t 02 ng h o lu lng dng coriolis (FT-7900/FT-7901).

kim sot mc sn phm, trn mi bn cha c lp t 02 b o mc Gauges bng sng viba. Khi mt bn cha ang xut sn phm th bn cn li phi c dng nhp sn phm.

ng x ca cc bn cha condensate NCS c thit k cc u ch ni vi cc xe bn bm vt khi cn bo dng sa cha.

5. Xut sn phm

Mi loi sn phm c xut bng 03 bm (propan: P-101A/B/C, butan: P-102A/B/C v condensate BH: P-103A/B/C), cng sut ca mi bm l 250 m3/h. Ring condensate NCS th c xut bng 02 bm, cng sut mi bm l 500 m3/h. Ngoicc bm xut sn phm trn cn c 02 bm off-spec (P-108A/B, mt hot ng, mt d phng).

Hai cu cng dng xut sn phm ra tu:

Cu cng s 1: c trang b cc cn xut LDA-101 xut/nhp v VRA-101 hi hi propan hoc LPG; LDA-102 xut/nhp v VRA-101 hi hi butan hoc LPG; LDA-105 xut/nhp condensate BH v NCS v cc sn phm t nh my ch bin condensate (CPP). Cn np LDA-102 c th c dng xut/nhp condensate khi c yu cu. Ngoi ra, cu cng s 1 cn c lp t thm cn MLA z-3101 nhp VCM cho nh my PMPC.

Cu cng s 2: c trang b LDA-103 xut/nhp v VRA-102 thu hi propan hoc LPG; LDA-104 xut/nhp v VRA-104 hi hi butan hoc LPG.

Cc cm o m sn phm c lp t trn tng ng ng dn sn phm ra cc cu cng (FE-2304, FE-2310 cho propan, butan, bupro, FE-2501 cho condensate BH, xng v z-8200 cho condensate NCS cu cng s 1; cn FE-2404, FE-2410 cho propan, butan, bupro cu cng s 2).

Trong qu trnh xut propan hoc butan, hi hi t tu c phn tch trong phng th nghim v nu t tiu chun (khng cha H2S, CO2, NO2,... hoc c nhng trong gii hn cho php) th ng hi hi s ni vi cm bn ang xut thng p v gim thi gian xut.

i vi qu trnh xut bupro, hi hi t tu c phn tch trong phng th nghim, nu t tiu chun hi hi s c nn ti my nn CMP-102A, c ngng t bi thit b lm mt E-102 v sau c a n bn cha off-spec. Trong trng hp khng t tiu chun lng hi ny s c x ra uc.

6. H thng o m sn phm

H thng o m sn phm ca KCTV bao gm 2 cm sau:

Cc thit b o m

Thit b cn chnh

C tt c 12 thit b o m, trong 5 thit b dng o m sn phm lng n t nh my ch bin kh Dinh C, nh my ch bin kh NCS v 7 thit b dng o m sn phm xut cu cng s 1 v s 2.

Ti cm o m sn phm u vo, condensate BH, propan v butan c o bi ng h o lu lng khi lng dng coriolis v mt thit b cn chnh dng chung cho cc thit b trn (compact prover 12). Condensate NCS c o m bng mt cm 02 ng h o lu lng khi dng coriolis.

Trong qu trnh xut sn phm xung tu hoc sang nh my ch bin condensate, 05 trong 07 ng h o c dnh cho cu cn s 1 v 02 ng h o cn li dng cho cu cng s 2.

Sn phm xut ra t kho c o m thng qua h thng o lu lng khi dng coriolis v mt thit b cn chnh n (compact prover 34) c lp t cn chnh cho cc thit b o trn.

7. H thng thu hi sn phm lng

Bn thu hi condensate TK-104 lp t trn mt t nhm thu gom condensate y bn TK-101A/B trong qu trnh bo dng.

Hai bm thu hi condensate P-107A/B bm condensate y bn TK-102A/B n TK-104. Trong bo dng, Nit p sut cao c dng y condensate lng t ng ng xut v t cc trm bm v TK-104.

Condensate trong TK-104 c th dn ngc tr li TK-101A/B hoc xut ra xe bn bng cch s dng P-107A/B.

Cc bn thu hi c lp t c 2 cu cng thu hi cc sn phm t cn np:

Cu cng s 1: TK-106 thu gom propan, butan hoc bupro; TJ-125 thu hi condensate.

Cu cng s 2: TK-107 thu gom propan, butan hoc bupro.

Cht lng t cc bn thu gom LPG sau khi thu gom a v bn cha bupro khng t tiu chun SV-107A/B. Condensate t TK-125 c dn ti TK-104.

Ti cc trm bm cng c lp t cc bn thu gom, LPG c thu gom v bn cha TK-102 v sau c x ra uc cn condensate t cc trm bm c x v bn x l nc thi.III. H THNG BM

1. Bm sut LPG

S lng bm sut LPG3 bm sut propane P-101A/B/C

3 bm sut butane P-102A/B/C

2 bm sut offspec bupro P-108A/B

Cng sut bm250m3/h

Phm vi hot ng25-110% cng sut

Loi bmbm li tm nhiu cp trc ng

Tiu chun ch toAPI-610

Pht lm knMechanical Tandem

2. Bm sut condensate

Bm sutCondensate BHCondensate NCS

S bm xut condensate3 bm sut condensate P-103 A/B/C2 bm xut condensate NCS P-130A/B

Cng sut bm250 m3/h500 m3/h

Phm vi hot ng25-110% cng sut25-110% cng sut

Loi bmBm li tm trc ngangBm li tm trc ngang

Tiu chun ch toAPI-610API-610

Pht lm knMechanical TandemMechanical Tandem

Vt liu ch toAPI-610 loi S-1 hoc cht lng cao hnAPI-610 loi S-1 hoc cht lng cao hn

3. Cu to bm ly tm

- Ca y.

- Bung bm(volute)

- Bnh cng tc. - Ca ht

- Np che phn kt ni ( Casing)

- (Vng bi)

- ng c

- Trc truyn ng

- Vng bi trn( Oil Rings)

- Pht chn lm kn (Seal)

Kt cu cc b lm kn c trc bm kiu ma st 1Cnh bm, 2. l xo, 3. Vt hm, 4. V bm, 5. Np p b lm kn, 6. Ct nc lm mt b lm kn, O-ring lm kn, 8. mt tr c nh, 9. Trc bm, 10. Mt ch c nh bng than ch, 11. O-ring lm kn, 12. Mt ch di ng, 13. L xo, 14. Vnh hm, 15. ai c hm cnh.1. Mt s dng ca bnh cng tc ca bm ly tm thng c s dng

4. Nguyn l hot ng ca bm ly tm

Trc khi bm lm vic, cn phi lm cho thn bm (trong c bnh cng tc) v ng ht c in y cht lng, thng gi l mi bm.

Khi bm lm vic, bnh cng tc quay, cc phn t cht lng trong bnh cng tc di nh hng ca lc ly tm b vng t trong ra ngoi, chuyn ng theo cc mng dn v i vo ng y vi p sut cao hn, l qu trnh y ca bm.

ng thi, li vo ca bnh cng tc to nn vng c chn khng v di tc dng ca p sut trong b cha ln hn p sut li vo ca bm, cht lng b ht lin tc b y vo bm theo ng ht, l qu trnh ht ca bm. Qu trnh ht v y ca bm l qu trnh lin tc, to nn dng chy lin tc qua bm.B phn dn hng ra (thng c dng xon c nn cn gi l bung xon c) dn cht lng t bnh cng tc ra ng y c iu ha, n nh v cn c tc dng bin mt phn ng nng ca dng chy thnh p nng cn thit.5. Hin tng xm thc trong bm ly tmL Khi cht lng i vo ca ht ca bnh cng tc, vn tc dng chy s tng nhanh dn ti s gim p sut trong dng cht lng (theo nh lut Bernoulli). Nu p sut gim xung qu thp, trng vi p sut bc hi ca cht lng nhit lm vic, cht lng s bc hi to ra cc bt kh. Khi vo cnh dn bnh cng tc, gp mi trng c p sut ln hn, cc bt kh s v to nn sng t ngt do cc phn t cht lng va chm khi i vo chim ch bt kh va v. Cng sng ph thuc vo tc v v kch c ca bt kh. Tc v, kch c bt kh cng ln th ng nng v cao ca sng cng ln. Nu sng tc ng vo b mt no th ton b nng lng ca sng s truyn vo v gy nn nhng ph hy mnh m trn b mt . Ton b qu trnh to thnh v v ca bt kh gy ph hoi bnh cng tc v cc b phn khc ca bm.Khi sy ra hin tng xm thc trong bm ly tm thng c ting n v ting ku lch tch pha trong, c hin tng giao ng, tiu th in nng bt thng, lu lng khng n nh hoc suy gim, nu tip tc cho my bm lm vic bm c th b ph hng. Trn b mt bnh cng tc v b phn dn dng s hnh thnh cc vt r v cui cng s dn ti s ph huy c kh.

khai thc bm c lu di cn phi a ra cc iu kin loi b hin tng xm thc. m bo iu th p sut trn ca vo ca bnh cng tc phi ln hn gi tr p sut m ti cht lng c th si. phng nga s st ct p do hin tng xm thc gy ra th bm cn c mt lng d tr ct p Dh. nng cao cht lng chng xm thc, nhm nng chiu cao ht ca bm cn phi thc hin cc yu cu sau: Cc mp cnh dn li vo phi v trn dt mng, phn li dn vo bnh cng tc phi c lm nhn bong v c hnh dnh thich hp.

III.H THNG PH TR

1 NHNG YU CU CHUNG CHO H THNG PH TR

1.1 Kh iu khin

Thng sTi thiuBnh thngTi a

p sut (kg/cm2 g)3.59.510.5

Nhit im sng (oC)--40.0-

Nhit (oC)-45-50-

1.2 Kh nn

Thng sTi thiuBnh thngTi a

p sut (kg/cm2 g)8.09.510.5

Nhit (oC)-45-

1.3 Nit

Thng sTi thiuBnh thngTi a

p sut (kg/cm2 g)-8.168.8

Nhit im sng (oC)-0-

Nhit (oC)-36-

1.4 Diesel

Nhit tr (kcal/kg)10.000

T trng0.8

Tng lu lng Diesel theo yu cu (kg/h)287

Cng sut bn cha UV-108 (m3)60

1.5 Nc sinh hot

Nhit (oC)30

Tng lu lng nc theo yu cu (l/tun)38500

Cng sut bn cha UV-106 (m3)38.5

1.6 Nc cu ha

Tng lu lng nc cu ha theo yu cu (m3/h)720

Cng sut bn cha UV-105 (m3)2900

1.7 H thng flare

Kh nhin liuPropane

Tng khi lng kh nhin liu theo yu cu (m3/h)2.8-8.1

1.8 H thng in

Cng sut ti (kw)1538.08

Tn s (Hz)50

in th (V)415/240, 3 pha (khng UPS)

120, 1 pha (vi UPS)

2. M T CHUNG V CH VN HNH BNH THNG CA H THNG PH TR2.1. H thng Diesel/My pht in

Du diesel c s dng cho bm nc cu ha v my pht in. Du c cha trong 3 thng cp du hng ngy FDT-101/102/103 v 01 bn ch UV-108. FDT-102 v FDT-102 c dung tch l 2500 L c s dng ring cho tng ng c ca my pht in diesel DG-101, DG-102. FDT-103 c s dng cho bm nc cu ha P-105. Dung tch bn cha UV-108 l 60 m3. Bm P-113A/B c s dng cho vic bm du diesel t xe bn vo UV-108 v t bn UV-108 sang cc thng cp du hng ngy.2.2 H thng kh iu khin v kh nn

2.2.1 My nn khng kh CMP-101A/B

Hai my nn khng kh CMP-101A/B (01 lm vic, 01 d phng) vi cng sut mi my l 725 m3/h c s dng cung cp kh nn, kh iu khin, kh cho sn xut Nit. C 02 my nn ch hot ng cng lc khi cn mt lng ln Nit lm sch ng ng v thit b, cung cp cho CPP. Ngoi ra, KCTV cn c mt my nn di ng d phng chy bng du D.O c ni vi h thng kh thng qu mt u ch trong trng hp c hai my nn CMP-101A/B khng hot ng c.

My nn kh CMP-101A/B thuc loi my nn 2 cp bao gm h thng lm mt bng nc (lm mt cp u v cp cui) c s dng sau mi cp lm gim nhit khng kh b nn.

2.2 Thit b lm kh kh AD-101A/B

Thit b lm kh kh AD-101A/B c cng sut 1489 m3/h c lp t ngay sau my nn khng kh. Thit b lm kh kh bao gm 02 thp bn trong cha cht lm kh c th ti sinh, thit b lc u vo v lc u ra.

Khng kh qua 02 thit b lc u vo trc khi vo thp, ti y cc ht bi rn v ht lng c mt dy s c gi li. B lc u ra s tch cc ht du v bo v cho lp cht lm kh khng b nhim bn.

2.3. H thng sn xut Nit

H thng PSA sn xut Nit c cng sut 400 m3/h (u ra) c lp t sau h thng lm kh kh sn xut Nit p ng nhu cu s dng ca Cng. H thng PSA gm c hai bnh hp ph c nhi cht hp ph l ht cacbon vi kch thc mao qun rt nh (CMS-Carbon molacular sieve), mt b gim thanh cho gii hp ph, b lc u ra, b iu chnh chnh p, van iu khin sn phm, bnh cha Nit, van u ra v van thng hi, thit b phn tch thnh phn Oxy, t iu khin.

CMS hp th Oxy trong khi nn, dng sn phm u ra chnh l Nit tinh khit. Khng kh i ti mt bnh hp ph sn xut Nit th bnh kia chuyn sang ch ti sinh. Mi bnh lun chuyn ch lm vic v ch ti sainh bo m cung cp Nit lin tc.

2.4. H thng nc cu ha

H thng nc cu ha ca KCTV gm hai bn cha vi dung tch 1450 m3 mi bn. Ton b khu vc kho cha, khu vc bn NCS v cu cng c trang b h thng mng li ng dn nc cu ha. Ngoi ra cn c h thng van phun trn t ng/u phun c nh v xoay, cc thp phun nc cu ha cng c lp t cc v tr khc nhau. Khu vc condensate v Jetty c lp t h thng to bt. Ring khu vc Jetty cn c h thng to mng ngn gia cu cng v tu trong trng hp tu b ha hon.

Cc bm b p P-104A/B (1 vn hnh, 1 d phng) c cng sut 22 m3/h mi bm chy lin tc v gi n nh p sut ca ngun nc cu ha. Hai bm nc cu ha P-105 v P-106 cng sut 750 m3/h mi bm c trang b cng vi cc bm b p, bm P-105 chy bng in cn bm P-106 chy bng diesel.

2.5. H thng x l nc nhim du

Nc nhim du bao gm:

Nc ma t cc bn cha condensate (TK-101A/B, TK-110A/B) v cc khu vc ln cn

Nc thi t cc bn cha condensate, bn cha diesel (UV-108), thit b v ng ng

Nc sau khi phun cu ha

ETP tch cc cu t ny bng phng php c hc. ETP gm cc thit b sau:

Bn cha nc thi nhim du UV-115

Bm ngm P-115A/B/C

Bn phn tch (b phn phn tch du theo phng php lng trng lc - API) UV-116A/B

Bn cha cc lp lc hp ph UV-118A/B

Bn phn lp UV-117

Nc nhim du t h thng thu gom c chuyn v bn UV-115. Sau c 3 bm ngm P-115A/B/C s bm nc nhim du n bn tch du theo phng php trng lc API UV-116. Ti UV-116, cc cht v c s lng di dng cn bn, du s ni ln trn mt nc. y bn phn tch c mt a b tng gia c, a ny gi hu ht du trong bn phn tch. Du c thu gom s c chuyn sang bn lng du UV-117. Sau khi ra khi bn phn tch, nc ln du s c a sang bn lc hp ph UV-118A/B.

2.6. H thng flare

H thng flare gm c 02 uc, mt cho lu lng rt thp v mt cho lu lng cao hn. H thng flare phn cp, cp u dng cho lu lng thp, u t h tr kiu LRGO c s dng trieetk gim khi do lu lng thp. cp th hai, s dng loi flare ph tr thng, do lu lng cao nn khng cn quan tm ti khi.

Ngoi cc ct uc, h thng flare cn bao gm bnh tch lng KOD V-164, bnh kh mi UV-109 (s dng kh mi l LPG), cm nh la (AMFG).

2.7. H thng nc sinh hot

Nc sinh hot ca KCTV c cung cp qua ng ng chnh ca thnh ph. Tuy vy bn cha UV-106 vi dung tch 38,5 m3 v hai bm P-127A/B (mt lm vic, mt d phng) c cng sut 5 m3/h c lp t d tr v duy tr nc sinh hot trong cc trng hp ngun nc chnh ca thnh ph b mt. Mt ng hi lu ca bm vi a iu chnh lu lng (RO-6301) c trang b khng ch tiu th khch hng cui cng. RO-6301 thit k vi lu lng 2 m3/h.3 CC H THNG PH TR KHC

3.1 H thng camera - th t

c lp t ti KCTV kim sot cc hot ng vo ra khu vc KCTV nhm nng cao mc an ninh an ton cho kho cng. Mi hot ng vo ra kho cng c th kim sot qua h thng camera t phng iu khin trung tm, trn mng internet, ti phng iu khin, t phng bo v v qua h thng lu tr ti my tnh.

3.2 H thng ci n cnh bo hang hi

H thng ci n c lp t ti 2 u cu cng pha thng lu v h lu. Ti mi u cu cng c lp t 01 ci v 01 n pha cng sut ln c kh nng thc hin cnh bo t xa cho cc phng tin lu thng trn lung khi pht hin nguy c mt an ton i vi cu cng. Thm vo , trn mi cu cng lp t 02 tr n tn hiu cnh bo ban m cho cc phng tin lu thng.4. CC VN AN TON

4.1. Cc mi nguy him chung

Trong qu trnh vn hnh KCTV, vn c lu nht l an ton lao ng. Do cn a ra cc bin php x l, gim thiu ri ro do cc mi nguy him c th gy ra.

4.2. Cc mi nguy him ca cc sn phm t kh

Tt c cc sn phm du m u c kh nng ha hi, ph thuc vo tng loi sn phm khc nhau. Trong khng gian hp, cc hi ny s lm gim nng kh oxy trong khng kh v vy s gy kh khn cho vic duy tr s th bnh thng. Hi hydrocacbon cng c tc ng vt l gy hi cho sc khe. Propan v butan l cc cht kh chy n khi to hn hp vi khng kh hay oxy.

Condensate l mt cht d bt chy v kh nng bay hi cao di iu kin nhit , p sut thng. V cc hi hydrocacbon ny nng hi khng kh nn chng s bay thp l l di mt t v c kh nng hnh thnh hn hp chy n.

4.2. Cc nguy him v in

Dng in m c th ngi c th chu ng c l rt nh. Hng dn thng thng da vo vic phng chng tai nn i vi cc hot ng cn hnh trn cng nghip c xut bn bi hi ng an ton quc gia, ch ra nh sau:

Cng dng in (miliampe)Trng thi

T 1 n 8 mAC cm gic sc

T 8 n 15 mAGy sc nng

T 15 n 20 mAGy sc nng cng vi vic mt iu khin c bp vng b in git

T 20 n 50 mAGy sc nng cng vi vic cc c bp b co git d di v kh th

T 50 mA tr lnC th gy cht ngi

KT LUN V HNG PHT TRIN CA KHO CNG

Kho cng c ngha kinh t v cng quan trng i vi nn kinh t nc ta. Trong bi cnh hin nay, cng gp phn m bo an ninh nng lng quc gia, l ch da v kinh t cng nh v nng lng cho s pht trin kinh t t nc.Vi vic i ng k s cht lng cao v cng ngh ngy cng hin i, cng i vo hot ng an ton hn 10 nm.

Thi gian thc tp ti kho cng PV GAS Vng Tu khng lu nhng qu trnh quan st thc t mang li cho ti nhng kinh nghim ht sc qu bu.iu u tin l tc phong lm vic nghim tc. Ngay t nhng ngy u vo tham gia kin tp ti kho cng ti c yu cu thc hin nhng quy nh ht sc nghim ngt. iu ny gip chng ti rn luyn thi quen cn thn nghim tc trong cng vic.Trong qu trnh tham gia thc tp ti cng, tm hiu quy trnh hot ng ti hc hi c phong cch lm vic nng ng nhit tnh v ch ng trong mi hon cnh. Tc phong cn thit nht ca mt k s cng ngh l tc phong cng nghip.Hng pht trin ca nh my:

t nc ta ngy cng pht trin, nhu cu s dng cc sn phm kh ha lng ngy cng cng tng v c cht lng v s lng cng nh chng loi si phm. Trc yu cu kho cng PV GAS Vng Tu xy dng thm h thng kho cha LPG lnh nhm tng cng sut tng cha sn phm, nng cp 2 cu cng nhm tng kh nng xut nhp sn phm khi tip nhn c tu c trng ti ln hn. u t xy dng h thng kho lnh vi cng sut ln nhm p ng nhu cu xut nhp v tn cha san phm LPG ngay Nng cp 2 cu cang co kha nng tip nhn tu c trng ti ln hn.

SVTH: ng Vn Lc

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