Lvtn Do Xuan Hoa

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  • Lun vn tt nghip Li cm n ____________________________________________________________________________

    ______________________________________________________________________ SVTH: Xun Ha-MSSV: 30800690 i

    LI CM N Li u tin em xin trn trng by t lng bit n su sc n thy Mai Cao

    Ln. Thy truyn t cho em nhng kin thc l thuyt c s qu bu, ch dn

    cho em phng php hc tp hiu qu, cch phn tch v gii quyt vn , gip

    em ngun ti liu tham kho quan trng, cng nh to iu kin cho em c thc

    tp, v Thy l ngi tn tnh hng dn em trong sut thi gian thc hin lun vn.

    Em xin chn thnh cm n anh Nguyn Vit Vn, ngi hng dn v gip

    em tng bc hon thnh lun vn tt nghip, gip em lin h kin thc gia l

    thuyt v thc tin. Em tht s cm n v nhng kin thc thc t rt hu ch m anh

    ch dn trong sut qu trnh thc tp. Bn cnh , em cng xin c gi li cm

    n su sc n cc anh ch phng Khai Thc Hong Long Hon V JOC nhit

    tnh gip v sn sng gii p nhng thc mc ca em trong sut qu trnh thc

    tp.

    Em mun c by t lng bit n trn trng n cc thy c trng i hc

    Bch Khoa HQG Tp.HCM, c bit l cc thy c khoa KT a cht v Du kh,

    cc thy b mn Khoan v Khai Thc Du Kh tn tnh ging dy, ch bo v

    gip em trong sut thi gian trn ging ng i hc.

    Em cng xin gi li cm n n Ban lnh o Cng ty iu hnh chung du

    kh Hong Long Hon V JOC, Ts. Ng Hu Hi, ng V Vn Cng, to iu

    kin cho em thc tp v hon thnh tt lun vn ny.

    Con xin gi li tri n su sc n Ba M, cm n Ba M sinh thnh, nui

    dng v dy d con nn ngi. Ba M lun l ngun ng vin ln nht v to

    cho con nhng iu kin tt nht trn bc ng hc tp v trng thnh. i vi

    con, gia nh lun l ch da ln lao trong cuc i ny.

    Sau cng, ti mun cm n cc anh ch sinh vin khoa K Thut a Cht &

    Du Kh, cc bn cng kha v cc em sinh vin kha sau cng ti ng hnh trn

    bc ng hc tp.

    XUN HA

  • Lun vn tt nghip Tm tt lun vn ____________________________________________________________________________

    ______________________________________________________________________ SVTH: Xun Ha-MSSV: 30800690 ii

    TM TT LUN VN

    Ngy nay, vic kt ni h thng cc ng ng vn chuyn du kh ni m hoc

    m cn bin l mt trong nhng phng n pht trin c nh gi cao v hiu qu

    kinh t t c. Tuy nhin, bn cnh , nhiu ri ro lun tn n trong qu trnh vn

    hnh h thng ng ng ny, c bit i vi nhng ng ng ngm di hng chc

    kilomet di y bin. Do , trong lun vn ny, gii php ti u ha qu trnh vn

    chuyn hn hp du kh trong ng ng ngm di bin nhm m bo tnh n nh

    dng chy trong ng, gim thiu ri ro v chi ph vn hnh c thc hin.

    Trong phn u ca lun vn, c s l thuyt v ti u ha s c trnh by

    mt cch tng quan nhm xc nh mc ch, i tng v cc phng php s dng

    cho vic ti u. Tip , c s l thuyt v tnh ton nhm xy dng m hnh dng

    chy a pha trong ng ng vn chuyn c trnh by. C s xy dng m hnh

    dng chy a pha l cc phng trnh vi phn c thit lp cho tng pha ca cht lu.

    i tng nghin cu c th ca lun vn l ti u ha qu trnh vn chuyn

    hn hp du kh bng ng ng ngm di bin t m C Ng Vng n gin x l

    trung tm s 3 ca m Bch H. Da trn c s l thuyt trnh by nhng phn

    u, cc thnh phn, tnh cht cht lu v hin trng lm vic thc t trong ng ng

    vn chuyn ny c tin hnh phn tch v a ra nhn xt. Sau qu trnh phn tch

    ny, cc quy trnh ti u ha c xy dng chi tit bao gm thu thp v x l cc s

    liu u vo cn thit phc v cho vic xy dng m hnh, hiu chnh m hnh, s dng

    m hnh m phng bi ton.

    Kt qu t c sau qu trnh m phng l s biu din p sut, nhit , t

    phn lng, tc ng s hnh thnh cc nt kh trong h thng ng ng vn chuyn

    vi cc ch lm vic khc nhau. Trn c s phn tch v nh gi cc kt qu ny,

    vic xut phng n hp l nhm ci thin hiu sut vn chuyn cng nh gim

    thiu ri ro v tit kim chi ph x l c thc hin.

  • Lun vn tt nghip Mc lc ____________________________________________________________________________

    ______________________________________________________________________ SVTH: Xun Ha-MSSV: 30800690 iii

    MC LC

    MC LC ...................................................................................................................... iii

    DANH SCH HNH NH .............................................................................................. v

    DANH SCH BNG BIU ........................................................................................ viii

    CH VIT TT ............................................................................................................. ix

    M U .......................................................................................................................... x

    CHNG 1: TNG QUAN V TI U HA VN CHUYN DU KH BNG NG NG KT NI ................................................................................................. 1

    1.1. Tng quan v ti u ha vn chuyn du kh bng ng ng kt ni .............. 1

    1.2. Mc ch ca vic ti u ha vn chuyn du kh trong ng ng ................. 2

    1.3. Phng php ti u ha ...................................................................................... 3

    1.3.1. Mc tiu ti u ha ................................................................................... 3

    1.3.2. Cc thng s kim sot qu trnh ti u ha ............................................ 3

    1.3.3. Cc phng php s dng cho qu trnh ti u ha ................................. 3

    CHNG 2: C S L THUYT DNG CHY A PHA TRONG NG NG VN CHUYN ............................................................................................................... 8

    2.1. Tng quan v dng chy a pha ......................................................................... 8

    2.1.1 Cc ch dng chy trong ng ng nm ngang .................................... 8

    2.1.2 Cc ch dng chy trong ng ng thng ng ................................ 10

    2.1.3 Biu ch dng chy (Flow regime maps) ........................................ 11

    2.2 C s tnh ton v xy dng m hnh dng chy hai pha ................................ 15

    2.2.1. Phng trnh bo ton khi lng .......................................................... 15

    2.2.2. Phng trnh bo ton ng lng ......................................................... 16

    2.2.3. Phng trnh bo ton nng lng ......................................................... 17

    2.2.4. Phng trnh p sut ............................................................................... 18

    2.2.5. S truyn khi gia b mt phn cch cc pha ...................................... 18

    2.3. Cc tnh cht c bn ca cht lu vn chuyn trong ng ng ...................... 19

  • Lun vn tt nghip Mc lc ____________________________________________________________________________

    ______________________________________________________________________ SVTH: Xun Ha-MSSV: 30800690 iv

    2.3.1. Tnh lu bin .......................................................................................... 19

    2.3.2. Nhit kt tinh ..................................................................................... 24

    2.3.3. Nhit ng c ................................................................................... 24

    2.3.4. nh hng ha phm gim nhit ng c n cc tnh cht ca cht lu ................................................................................................................ 25

    CHNG 3: M PHNG QU TRNH NHIT THY NG DNG CHY TRONG NG NG KT NI M C NG VNG N M BCH H V XUT PHNG N TI U HA QU TRNH VN CHUYN HN HP DU KH ....................................................................................................................... 30

    3.1. Tng quan h thng kt ni m C Ng Vng m Bch H ........................ 30

    3.1.1. Gii thiu chung m C Ng Vng ........................................................ 30

    3.1.2. H thng ng ng kt ni CNV CPP3 ............................................ 31

    3.1.3. Thnh phn v tnh cht du th CNV ................................................... 33

    3.1.4. Hin trng lm vic thc t trong ng ng vn chuyn du kh CNV CPP3 ................................................................................................................ 41

    3.2. Xy dng m hnh dng chy a pha trong ng ng vn chuyn ................ 50

    3.2.1. Cc d liu thc t cn thit cho vic xy dng m hnh ...................... 51

    3.2.2. Xy dng m hnh nhit thy ng dng chy trong ng ng vn chuyn ................................................................................................................ 53

    3.2.3. Hiu chnh m hnh nhit thy ng dng chy trong ng ng vn chuyn ................................................................................................................ 54

    3.3. M phng qu trnh nhit thy ng dng chy trong ng ng v xut phng n ti u ha vn chuyn hn hp du kh ................................................... 57

    3.3.1. M phng qu trnh nhit thy ng dng chy trong ng ng vn chuyn vi ch lu lng hot ng hin thi.................................................. 57

    3.3.2. M phng qu trnh nhit thy ng dng chy trong ng ng vn chuyn vi cc ch lu lng khc nhau .......................................................... 59

    KT LUN V KIN NGH........................................................................................ 84

    TI LIU THAM KHO .............................................................................................. 87

  • Lun vn tt nghip Danh sch hnh nh ____________________________________________________________________________

    ______________________________________________________________________ SVTH: Xun Ha-MSSV: 30800690 v

    DANH SCH HNH NH

    Hnh 1.1 Mc ch ti u ha vn chuyn du kh trong ng ng ........................... 2 Hnh 1.2 Cc lp bc cch nhit ng ng vn chuyn CNV CPP3 [9] .................. 4 Hnh 1.3 Hnh dng con thoi 8.5" ........................................................................