N MN HC K THUT THC PHM

N 4: TNH TON THIT K MY SY HM (TUY- NEN) DNG SY KHOAI M LT NNG SUT 1000KG KHOAI M KH/H

GVHD: O THANH KHSVTH: LP 02DHLTP3 1/ TRN BNG NGN22051152972/ NGUYN TH NGN2205115288

TP. H Ch Minh, thng 10 nm 2013

MC LCTable of ContentsM U2CHNG I : TNG QUAN41.1 Tng quan v phng php sy41.1.1 Bn cht ca sy41.1.2 Phn loi51.1.3 Yu t nh hng n qu trnh sy51.2 Cng ngh sy khoai m61.2.1 Gii thiu v khoai m61.2.2 S v Thuyt minh qui trnh sy:81.2.2.1 S qui trnh:81.2.2.2 Qui trnh sy c thuyt minh nh sau:91.2.3 Phng php v ch sy9CHNG II: TNH TON CN BNG NHIT M CA H THNG SY102.1 Cc thng s ban u102.1.1 Vt liu sy102.1.2Tc nhn sy: khngkh102.2. Tnh ton122.2.1 Tnh cn bng vt cht:122.2.2 Tnh cn bng nng lng122.2.3 Tnh thit b chnh:132.2.3.2 Khi lng khay:142.2.3 Hm sy:14CHNG 4: TNH V CHN THIT B PH154.1 Tnh Caloripher154.2 Tnh v chn qut184.2.1. Tnh p sut ton phn:194.2.2 Tnh lu lng th tch tc nhn sy214.3 Tnh v chn ng c ko ti224.4 Chn Xicln:22KT LUN24TI LIU THAM KHO25

M U

Sy l mt qu trnh cng ngh c s dng rt nhiu trong sn xut thc phm. Sn phm sau qu trnh sy c m thch hp, thun tin cho vic bo qun, vn chuyn, ch bin, ng thi nng cao cht lng sn phm.V d in hnh l khoai m, do ng dng rng ri ca n m khi lng c s dng l rt ln, nht l trong cc ngnh nng nghip v cng nghip thc phmnn vic ch bin v bo qun rt quan trng. trng thi sn phm c bo qun lu hn, d ng gi v vn chuyn i xa phc v cho cc ngnh sn xut khc. V cch bo qun ph bin nht hin nay c s dng l sy bng cc h thng sy khc nhau. V trong n ny nhm em chn trnh by thit k hm sy khoai m.u nTnh ton thit k my sy sy khoai m vi nng sut 1 tn/gi.My sy: loi hm sy(Tuy-Nen)

CHNG I : TNG QUAN1.1 Tng quan v phng php sy1.1.1 Bn cht ca sySy l qu trnh lm bc hi nc ra khi vt liu bng nhit. Mc ch ca qu trnh sy l lm gim khi lng ca vt liu, tng bn v bo qun c tt. Trong qu trnh sy nc c cho bay hi nhit bt k do s khuch tn bi s chnh lch m b mt v bn trong vt liu v bi s chnh lch p sut hi ring phn ca nc ti b mt vt liu v mi trng chung quanh. Sy l qu trnh khng n nh, m ca vt liu thay i theo khng gian v thi gian.1.1.2 Phn loiPhn loi cc phng php sy theo phng thc cung cp nhit:Phng php sy i lu.Phng php sy bc x.Phng php sy tip xc.Phng php sy bng in trng dng cao tn.Phng php sy thng hoa.1.1.3 Yu t nh hng n qu trnh synh hng ca nhit khng kh: Trong cc iu kin khc nhau khng i nh m khng kh, tc gi, vic nng cao nhit s lm tng nhanh tc sy. Nhng nhit lm kh cao s lm nh hng ln n cht lng sn phm, d lm cho nguyn liu b chn v gy nn s to mng cng lp b ngoi cn tr ti s chuyn ng ca nc t lp bn trong ra b mt ngoi. Nhng vi nhit lm kh qu thp, di gii hn cho php th qu trnh lm kh s chm li dn n s thi ra, hy hoi nguyn liu. Khi sy nhng nhit khc nhau th nguyn liu c nhng bin i khc nhau. Nu nhit cao hn na th nguyn liu c th b chy lm mt gi tr dinh dng v mt gi tr cm quan ca sn phm.nh hng ca tc chuyn ng khng kh: Tc chuyn ng ca khng kh c nh hng ln n qu trnh sy, tc gi qu ln hoc qu nh u khng c li cho qu trnh sy. V tc chuyn ng ca khng kh qu ln kh gi nhit lng trn nguyn liu cn bng qu trnh sy, cn tc qu nh s lm cho qu trnh sy chm li. Hng gi cng nh hng rt ln n qu trnh lm kh, khi hng gi song song vi b mt nguyn liu th tc lm kh rt nhanh. nh hng ca m tng i ca khng kh. m tng i ca khng kh cng l nhn t nh hng quyt nh n qu trnh lm kh, m ca khng kh cng ln th qu trnh lm kh s chm li. nh hng ca kch thc nguyn liu: Kch thc nguyn liu cng nh hng n qu trnh sy. Nguyn liu cng b, cng mng th tc sy cng nhanh, nhng nu nguyn liu c kch thc qu b v qu mng s lm cho nguyn liu b cong, d gy v.nh hng ca bn thn nguyn liu: Ty vo bn thn nguyn liu m ngi ta chn ch lm kh cho ph hp, cn phi xt n thnh phn ha hc ca nguyn liu nh: nc, lipit, protein, cht khong, Vitamin, kt cu t chc chc hay lng lo...1.2 Cng ngh sy khoai m1.2.1 Gii thiu v khoai mNgun gc: Khoai m c tn khoa hc l Manihot Esculenta (Grantz), l loi cy lng thc pht trin cc vng c kh hu nhit i. Khoai m bt ngun t lu vc sng Amazon pha Nam chu M. T th k 16, cy khoai m c trng chu , chu Phi v M Latinh. Vit Nam khoai m c trng t Bc vo Nam, nht l vng trung du v vng ni. Nng sut bnh qun v khoai m nc ta vo khong 8-10 tn c/ha. Thnh phn cc cht: khoai m giu tinh bt, nhiu gluxit kh tiu, ngho cht bo, mui khong, vitamin v nht l ngho m.Bng 1: Thnh phn cc chtThnh phn %

Nc70.25

Tinh bt21.45

Protein1.12

Cellulose1.10

ng5

- Trong cc thnh phn dinh dng th tinh bt l c ngha hn c, v hm lng tinh bt nhiu hay t ty thuc rt nhiu vo gi (thi gian thu hoch)- Cu to: hnh gy, hai u vut nh li. Ty theo ging, iu kin canh tc, mu m ca t m chiu di c dao ng khong 300-400mm, ng knh c 40-60mm. C gm 4 phn: -V g (v la): l phn bao ngoi, mng, chim 0.5-3% khi lng ton c, thnh phn ch yu l xenluloza, khng c tinh bt, gi cho c khi b tc ng t bn ngoi. - V ci: chim 8-15% khi lng ton c, thnh phn ch yu l tinh bt, xenluloza, hemixenluloza.- Tht khoai m: l thnh phn ch yu, chim 77-94% khi lng ton c, thnh phn ch yu l tinh bt, xenluloza, protein v mt s cht khc.- Li: chim 0.3-0.4% khi lng ton c, trung tm, dc sut t cung n ui c, thnh phn ch yu l xenluloza.- Li ch: Khoai m l loi cy trng c nhiu cng dng trong ch bin cng nghip, thc n gia sc v ch bin lng thc, thc phm. nc ta , c khoai m dng ch bin tinh bt, khoai m lt kh, bt khoai m hoc dng n ti, to ra nhiu sn phm cng nghip: bt ngt, m n lin, xiro, glucose, ph gia dc phm v thc phm, k ngh cht dnh, ru cn, mch nha.Sn phm c khoai m c s dng mt phn nh di dng c ti, cn li c a vo ch bin, gm 2 dng chnh: dng s ch thnh khoai m lt kh, khoai m dng vin hoc tinh ch thnh bt.

1.2.2 S v Thuyt minh qui trnh sy:1.2.2.1 S qui trnh:

Hnh 1: S quy trnh cng ngh

-Thit b: thc hin qu trnh sy, ngi ta s dng h thng gm nhiu thit b chnh v thit b ph. Trong n ny ta s dng cc loi thit b nh sau: THIT B SY HM KHOAI M GVHD: o Thanh Kh

trang 13

Thit b chnhThit b ph

Hm syQut y

Xe gongCaloripher

Qut ht

Ti ko

1.2.2.2 Qui trnh sy c thuyt minh nh sau:Nguyn liu: Khoai m c xp ln cc khay, cc khay ln lt c xp vo xe gong. Cc xe gong c chuyn vo trong hm sy (v c b phn ti ko nn vic vn chuyn xe gong vo hm s thun tin v d dng hn), ng ca hm, tc nhn sy c a vo hm v qu trnh sy bt u. Sau mi 15 pht, m ca vo v ca ra ca hm sy. Dng ti ko xe gong ra khi hm ng thi y mt xe gong mi vo hm. Tip tc tin hnh nh vy sau 10 gi ta sy xong 1 m vi nng sut 1 tn khoai m/gi.Tc nhn sy: Khng kh bn ngoi c a vo caloriphe nh qut y. Ti caloriphe khng kh c t nng ln n nhit cn thit (caloriphe dng cht ti nhit l hi nc). Sau khng kh c dn vo hm sy. Nhit khng kh ti u hm sy sao cho ph hp vi vt liu em sy (phi nh hn nhit cao nht m vt liu c th chu c). Trong hm sy, khng kh nng i xuyn qua cc l li ca khay ng vt liu v tip xc u vi vt liu sy. m ca vt liu s bc hi nh nhit ca dng kh nng trn. Qut ht c t cui hm sy ht tc nhn sy ra khi hm v a vo cylone lng bi sau thy ra ngoi.-Yu cu:Vt liu phi m bo cht lng cao.Sn phm thu c:Mu sc: trng u, khng c m nu en trn b mt. m: khng qu 15%, phi gin.Phi sch tp cht, khng ln vi ct, t, bi bnTiu tn nng lng t v chi ph vn hnh thp.1.2.3 Phng php v ch sy- La chn phng php sy: Trong mi phng php sy s c nhiu phng thc khc nhau. n sy ny phng php sy c s dng l cp nhit theo cch i lu (tc l vic cp nhit cho vt m thc hin bng cch trao i nhit i lu (t nhin hay cng bc), mi cht sy lm nhim v cp nhit.- Chn ch sy: lin tc

CHNG II: TNH TON CN BNG NHIT M CA H THNG SY 2.1 Cc thng s ban u2.1.1 Vt liu sy

Nhit khoai m vo hm: 27

Nhit khoai m ra khi hm: 43 m ban u: w1=40% m sau khi sy: w2=14%Nhit sy: 1000C m cn bng: wcb=8%

m ti hn: ng knh lt khoai m: d= 50mm = 0.05mB dy lt khoai m: 10mm = 0.01m2.1.2 Tc nhn sy: khngkh - Trng thi A: Trc khi vo Caloripher

Khng kh ti Tp. HCM c to = 27 c m tng i Trng thi B: Trc khi vo hm: chn nhit sy t =1000C. Trng thi C: Sau khi ra khi hm

BACt1=27d0=18,4d2=42t2=1000H2=36,5H0=17,5t3=43BHnh 2: th H-x ca khng kh m Tra gin Ramdzin ( th H-x ca khng kh m) ta c:Bng 2: Thng s trng thiCc thng sCc trng thi

ABC

m tng i (%)82368

Nhit (0C)2710043

p sut ring phn Ph (mmHg)212147,5

p sut bo ha Pb(mmHg)22,55050

Enthanpy H(KJ/Kgkkk)17,536,536,5

Hm lng hi m d (g/kgkkk)18,418,443

Khi chn nhit sy l 1000C th tra gin ta c nhit bu t khong 37,50C nh hn nhit b mt ca vt liu s khng lm chy vt liu trong qu trnh sy.Thi gian sy: 10h/m. 2.2. Tnh ton2.2.1 Tnh cn bng vt cht:

Khi lng vt liu sy vo thit b:

[3]Lng m bc hi: W= G1 G2 = 1433 - 1000 = 433 (kg/h) [3]Nng sut nguyn liu cho 1 m:

[3]Lng khng kh cn thit lm bc hi 1kg m vt liu:

[3]Lng khng kh kh tn tht:

[3]2.2.2 Tnh cn bng nng lngDa vo th H-d ta tra c cc thng s:d1 = 18,4 (g/kgkkk)d2 = 43 (g/kgkkk)H0 = 17,5 (kcal/kgkkk)H2 = 36,5(kcal/kgkkk)Nhit lng cn thit lm bc hi 1kg m trong qu trnh sy l thuyt:

[4]Nhit lng cn thit lm bc hi 1kg m trong 1 gi:Q = q x W = 3228,46 x 433 = 1397921,14 (kJ/h) = 388,3(kJ/s) = 388,3 (KW)[4]Nhit lng tn tht ra mi trng trong 1s:QMT = 10% x Q = 10% x 388,3 = 38,83 (KW)[4]Nhit lng ca caloriphe:QC = Q + QMT = 388,3 + 38,83 = 427,13 (KW) = 427130(W) [4]2.2.3 Tnh thit b chnh:2.2.3.1 Xe gong:- Chn kch thc xe gong: Chiu cao ton b ca xe: hx = 1,6m Chiu cao lm vic ca xe: h1 = 1,4 Chiu di xe: lx = 2mChiu rng xe: bx = 1,5m- Tnh s khay trong mi xe gong: Khong cch gia 2 tng khay: h2 = 0,05m

S tng khay trong 1 xe: (tng khay)

Hnh 3: xe sy S khay trong 1 tng: m = 1 khayS khay trong 1 xe gong: s = m * n = 1* 28 = 28 (khay)- Lng khoai m trn mi xe gong, mi khay cha 15kg khoai m: gv = 28 * 15 = 420 (kg khoai m/xe)-S xe gong cn cho 1 m sy:

-Tnh khi lng xe gong:+Khi lng khung xe:

Cn 4 thanh ng 1,4m; 4 thanh ngang 2m; 4 thanh dc 1,5m. Cc thanh lm bng inox 304, c kch thc Khi lng thc t 1m inox 304 nng 0,7kgKhung xe gong nng: 0,7*(4*1,4+4*2+4*1,5) = 13,72kgKhi lng bnh xe gong: 12,08kg. Khi lng bnh xe gong ng knh 70 nng 2kg km 2 bi, mi nng 0,5kg, 1 ming cao su chu va p 0,02kg/ming. Vy mi bnh nng 3,02kg, mi xe c 4 bnh nn nng 12,08kg. 2.2.3.2 Khi lng khay:Khung khay lm bng inox 304 kch thc 15*15*2mm c 2 thanh di 1,95m v 2 thanh ngang 1,43mKhi lng thc t 1m inox 304 nng 0,7kgTng khi lng khung khay l: 0,7* ( 2 * 1,43 + 2 * 1,93) = 4,7kg

Mi khay c tm li y, kch thc l mm, lm bng inox, kch thc tm li 1,43*1,93m; khi lng 1,2kg/tm.Khi lng 1 khay: Gk = 4,7 +1,2 = 5,904 (kg)Tng khi lng khay trn 1 xe = 28 * 5,904 = 165,3(kg)Khi lng 1 xe gong cha ch khoai m: 13,72 + 12,08 + 165,312 = 191,1(kg)Khi lng 1 xe gong c ch khoai m: 191,1 + 420 = 611,1(kg)2.2.3 Hm sy:-Chiu di hm sy: Lh = nx * lx + L1 + L2 [1]Vi L1 l khong cch 2 xe, L2 l khong cch 2 u hm, thng ly L1+ L2=0,5lxVy Lh = 35 * 2 + 0,5 * 2 = 71(m)

-Chiu rng hm sy: (m) [1]b1: khong trng bn hng xe ti vch tng.-Chiu cao hm sy: Hh = hh + Hx = 1,6 + 0,1 = 1,7 (m) [1]Hx : l khong trng t xe ti trn

Hm sy c xy bng gch c chiu dy = 0,3m; 2 lp h va mi lp dy ph 2 bn lp gch.-Chiu rng ph b ca hm:

[1]Chiu di ph b ca hm: L = 1,9 + 2 x (0,3 + 2 x 0.025) = 2,6m

Trn hm sy c lp btng dy

- Chiu cao ph b ca hm: = 1,9 + 0,35 = 2,25 (m) [1]

CHNG 4: TNH V CHN THIT B PH4.1 Tnh Caloripher

Caloriher l thit b dng t nng khng kh trc khi a khng kh vo hm sy. Trong k thut sy thng dng 2 loi caloripher: caloripher kh-hi v caloripher kh khi. y ta sy khoai m bng hm sy vi nhit tc nhn sy khng qu 120 nn ta chn loi caloripher kh-hi.

Caloripher kh-hi l thit b trao i nhit c vch ngn. Trong ng l hi bo ha ngng t, ngoi ng l khng kh chuyn ng. Do h s trao i nhit khi ngng t ca hi nc rt ln so vi h s trao i nhit i lu gia mt ngoi ca ng vi khng kh . V vy, pha khng kh thng c lm cnh tng cng truyn nhit. Hi nc trong ng c p sut 1 at; nhit bo ha ca hi nc l th= 110. chnh lch trung bnh :

[4]

Vi t0, t1 l nhit khng kh vo v ra khi caloripher.

tF Th =1100CTv = 27 0CTr = 100 0C

Hnh 4: th biu din nhit +Caloripher c ng lm bng inox 304 c:

H s dn nhit ng knh trong d1 = 48mm = 0,048mng knh ngoi d2 = 50mm = 0,05mChiu di ng l = 1,5mBc ng ngang s1 = 0,1mBc ng dc s2 = 0,1m+Do c th tnh h s truyn nhit qua ng ng vi b mt khng lm cnh F1 theo cng thc tnh h s truyn nhit qua vch phng:

[4]Vi:

-

-

-

-: h s ta nhit ca hi nc vo ng, W/m2

-: h s ta nhit ta nhit t thnh ngoi ng ra khng kh, W/m2.

-Tnh :

[2]Tiu chun Reynold:

[2]

: vn tc lu lng dng nng: = 5m/s

nht dng nng ti 1100C

Vy Do ch chy trong ng l chy ri nn

[[[[PrF =1,6 ti 1100C v Prv =1,68 ti 1050C tra bng 7 [1]

hi nc = 68,5(W/mK): h s truyn nhit ca nc ti 1100C Chun s Reynold

= 19,285 x 10-6 m2/s ti 63,50CNu2 = 0,018 * Re20,8 [ 2]Nu2 = 0,018 * 64817,40,8 = 127,24

Tnh

kk = 2,851 x 10-2 (W/mK): h s truyn nhit ca khng kh ti nhit trung bnh: 63,50CTnh h s K

+Din tch b mt trong ca cc ng:

[2]

+Tng s ng trong caloripher:

+ dtb: ng knh trung bnh ca 1 ng: dtb = 0,049 m

+S hng ng: , vi m = 28: s ng trong mi hng.+Kch thc calorpher chiu di caloriphe: lcaloriphe = 28 * 0.1 + 0.1= 2,9(m) chiu rng caloriphe: bcaloriphe = 27 * 0,1 + 0,1 = 2,8(m)4.2 Tnh v chn qutQut l thit b vn chuyn tc nhn sy trong h thng sy. chn loi qut c s hiu hiu bao nhiu cn phi xc nh c:Tr lc m qut phi khc phcNng sut ca qut Q.A, B, C l trng thi ca khng kh khi vo caloripher, khi vo hm sy v khi ra khi hm sy.

l khi lng ring ca khng kh ng vi cc trng thi trn.

l nht ng hc ca khng kh ng vi cc trng thi trn.

l nng sut ca qut ca qut ng vi cc trng thi trn ca khng kh.

Nng sut qut tnh theo cng thc sau: [thy Trn Vn Ph]L= 17601,45(kgkkk/h): lng khng kh kh cnBng 4: Bng tm ttTrng thi khng kht(oC) (kgm3) (m2/s)Q (m3/h)

A271,17715,72.10-614954,5

B1000,94623,13.10-618606,18

C431,012517,257.10-617384,15

4.2.1. Tnh p sut ton phn:

- Trong tr lc qua caloriphe l , tr lc qua thit b sy l , tr lc qua thit b lc bi l, tr lc ng ng , p sut ng l

+ p sut ng l :

[3]

= 1,293kg/m3 khi lng ring ca khng kh ti iu kin tiu chun.g = 9,81(m/s2): gia tc trng trng.

+ Tr lc qua caloriphe l :

: H s tr khng

=1,049kg/m3 : Khi lng ring ca khng kh tra nhit 63,50C Z: S hng ng trong caloriphe

+Tr lc qua thit b sy l :

[5]

:H s ma stdt: ng knh tng ng ca hm sy

: nhm ca hm sy

: Khi lng ring ca khng kh tra 71,50C

Chn tc dng kh trong hm

+ Tr lc ng ng :

[3]

H s tr khng t m vo caloriphe

:H s tr khng t thu ra caloriphe

Da vo bng ph lc 8 ta c = 0,24[3]

H s tr khng t m vo hm sy

H s tr khng t thu ra khi hm sy

H s tr khng ng cong vo qut ht

+ Tr lc qua thit b lc bi l:

[1]

Chn

khi lng ring ca khng kh ti 400C

tra bng III.4 QTTB tp 1 [1]

Vy tng tr lc:

Cng sut qut tnh theo m lc:

[3]k= 1,1 : h s d phng.

hiu sut qut.

khi lng ring khng kh ti 270C4.2.2 Tnh lu lng th tch tc nhn sy - Cng sut nhit v lng hi cn thit:- Th tch TNS sau khi ra khi hm sy: vi thng s t2 = 430C v 2 = 80% tra ph lc 5 sch thit k v tnh ton h thng sy ca Trn Vn Ph ta c th tch vc = 0,999m3/ kgkkk. Do lu lng th tch tc nhn sy sau hm sy :Vc = L* vc = 17601,45 * 0,999 = 17583,4 (m3/h)[3] Th tch TNS trc khi vo hm sy: vi thng s t2 = 100 0C 2 = 3% tra ph lc 5 sch thit k v tnh ton h thng sy ca Trn Vn Ph ta c th tch vB = 0.8042m3/ kgkkk. Do lu lng th tch tc nhn sy trc khi vo hm sy :VB = L * vB = 17601,45 * 0,8042 =14155 (m3/h)[3] Lu lng th tch trung bnh i trong hm sy V= 0,5 (VB + VC ) = 0,5(17583,4 + 14155) = 15869 (m3/h)[3]Nng sut qut cn p ng: V= 15869 (m3/ h) [tttkhts]Theo th II-67 trang 496 ta chn qut li tm II7-40 N08 c:[1] Hiu sut

Tc vng ca bnh gung: 43 m/sTheo bng II-54 chn qut hng trc 4 cnh loi M N07[1]4.3 Tnh v chn ng c ko tiTrng lng ca 1 xe gong c ch khoai m: 611,1 *10 =6111 (N)Trng lng ca 16 xe gong : Po=6111 * 35 = 213885 (N)Ta xem tng cc lc cn bng 5% trng lng xe: Pc=0,05 * 213885 =10694,25 (N)Tng lc ko ca ng c: P = Po + Pc = 213885 + 10694,25 = 324579,25 (N)

Cng sut ca ng c: [2]

vi = 12 vng/pht: vn tc xe gong

Hnh 5: ng c ko ti

4.4 Chn Xicln: - Lu lng th tch trung bnh i trong hm sy V = 16540,88 (m3/ h) - Chn xiclon: = 0,6 x V = 16540,88 x 0,6 = 9924,5 (m3/h)- Chn Xicln c kch thc: + ng knh: D = 1 m+ Chiu rng tit din dn vo xicln: a = 0,25m+ Chiu di tit din knh dn vo xicln: b = 0,5m+ ng knh phn b nht ca phu: d = 0,2m+ Chiu di phn ng trung tm cm vo Xicln: h1 = 0,33m+ Chiu cao ca phn hnh tr ca Xicln: h2 = 0,458m+ Chiu cao phu: h3 = 0,8m+ ng knh ng trung tm: D1 = 0,5m+ D-a: 0,75m [4]

Hnh 6: Xicln

KT LUNCc tnh ton trn y khng trnh khi cc sai s do nhiu nguyn nhn. Do n ch c tnh tham kho trc khi tin hnh xy dng thc t. Khi xy dng trong thc t s c nhiu nguyn nhn tc ng khc m ta khng th lng trc c. Nhng cng ty trng hp m ta s linh ng sp xp sao cho ph hp vi qu trnh sy.H thng ny c nhc im l ch p dng tt cho iu kin min Nam Vit Nam do iu kin kh hu, nu em p dng cho cc vng c kh hu qu khc bit s khng th s dng c.

TI LIU THAM KHO

[1] PGS-TSKH Trn Xoa, TS Nguyn Trng Khung, S tay qu trnh thit b cng ngh ha cht tp 1, NXB Khoa Hc v K Thut H Ni.[2] PGS-TSKH Trn Xoa, TS Nguyn Trng Khung, S tay qu trnh thit b cng ngh ha cht tp 2, NXB Khoa Hc v K Thut H Ni.[3] Trn Vn Ph,Tnh ton v thit k h thng sy, NXB Gio Dc[4] TS.o Thanh Kh, Bi ging k thut thc phm 2 NXB i hc Cng Nghip TP. HCM.[5] Phan Vn Thm, s tay thit k thit b ha cht v ch bin thc phm a dng, B Gio Dc v o To Vin o To M Rng.[6] Nguyn Th Phng L Song Giang c lu cht, lu hnh ni b i Hc Bch Khoa TPHCM.