Li ni uNgy nay k thut lnh trong cng nghip ng mt vai tr rt quantrng , c bit l cng nghip thc phm nh bo qun thc phm, sn xut bia, ch bin sa. Cng nghip sn xut thc phm yu cu v nhit rt kht khe theo tng dy truyn cng ngh.Thc tp tt nghip l thi gian rt b ch vi mi sinh vin chng em,trong thi gian thc tp ny chng em c hc hi rt nhiu t thc t sn xut, c cng c chuyn mn mt cch c chiu su v ton din, c cch nhn m rng hn vi chuyn ngnh ang theo hc, v nht l nhng kin thc hc hi c t mi trng lm vic thc t, tt c nhng thun li s gip em t tin hn khi phi i mt vi nhng tnh hung kh khn trong thc t. Nhng hiu bit ca em c c sau qu trnh hc tp v tm hiu thc t trong thi gian thc tp c trnh by trong 2 chng:Chng I : nh my bia HeningerChng II: cng ty thc phm cng nghip Nam nh, cng ty bia NADADo kh nng cn c hn v nht l thi gian tm hiu thc t ti nhng ni thc tp rt ngn nn mc d c s nhit tnh hng dn v c s gip tch cc ca cn b qun l v cng nhn vin lm vic ti nhng ni em n thc tp, bn bo co ny vkhng th trnh khi c thiu st, em rt mong nhn c nhng gp v ch bo ca cc thy c gio Em xin chn thnh cm n !Chng 1: Nh my HenigerNh my bia Heniger l nh my lin doanh gia Vit Nam v c cung cp sn phm bia tiu th ti Vit Nam. Sn phm ch yu c tiu th trong th trng pha nam, nh my c mt chi nhnh tnh Vnh Phc vi cng sut 8 triu lt mt nm.Ton b dy chuyn cng ngh c khp kn t khu nhp liu n ni chit chai ng kt. Nh my chia ra nhiu phn xng sn xut nh phn xng ln men, phn xng l hi, phn xng chit chai, t c in ...Dy chuyn cng ngh sn xut bia ca nh my c th hin hnh ph lc. Di y l phn tm hiu v h thng dy chuyn v thit b nhit cng nh cng ngh sn xut ca nh my:1. H thng cung cp hoi nng:H thng l hi cung cp cho nh my gm hai l hi, mt chic c do hng UNICO (c) ch to ang vn hnh v mt chic do cng ty POLYCO ch to v lp t (cha i vo vn hnh) c cng cng sut.Thng so l hi nh sau: Cng sut: N = 19,5 kw Sn lng hi: 2 tn hi /h vi p sut hi p = 5,2 bar, p sut hi ln nht pmax = 7 kg/cm2. Nhin liu cp: t du FO. Nhit ca du ln nht tmaxdu = 50c, vi lu lng du 45 -- 200 kg/h.Thit b i km l hi: Mo t m phun (m t): l loi LAFERT made in EU vi cng sut ca m phun p = 4.0 kw.Tn s f (Hz)Ni inDng khi ng (A)Dng n nh (A)Tc vng quayH s cng sut.

50A/Y23 0/400V148.12835/3400min"10.88/0.88

Bm nc cp cho l hi: K hiu: Type EVM/A218F of AR A(Italy). Ct p: Hmax = 183m, Hmin = 74m. Lun lng: Q = 2060 lit/pht, khongctp H = 156 -- 74m. Cng sut: + kw 2.2+ HP 3.0 K hiu Motor: ABB motors3~ CL.F 80 IP55 IEC 34-1.V380-420Y 220-240 Hz50(60)/min: 2870/3440; 2.2/205kW A: 5.2/5.2 cosq) 0.77/0.76 Ca ra ca bm: ng = 14 mm. Bnh b xung nc: B cao: 70mm, ng knh chn 9mm.ng knh bnh: 1200mm. Chiu cao: 1600mm.Vn hnh ni hi: qua 04 bc.Bc 1: Kim tra tnh trng hot ng ca thit b, nh xng trc khi nhn ca (trc vn hnh 15 pht):e xut vt t c nhu cu.Vn hnh theo yu cu.Ghi thng s.Bc 2: Chun b: Kim tra vt t chy l.+ Kim tra mc nc thng cha (2/3 ng thu).+ FO + Na2S03 (2kg/l), Na3P04 (400g/l), + m van cp nc vo thngcha.+ Mui ht (lkg/201)+ M van cp du cho m t.+ Pha lu cht y .Bc 3: Chy my:+ ng cu dao: Ch m bo cc thng s dng lm vic nh mc 380V. + Chn ch lm vic cho qut gi, chy l.+ Bt cng tc bm nc bng tay hoc t ng.+ Bt cng tc u t v 1 hoc 2.+ M van cp hi theo yu cu sn xut.+ Kim tra thng s:p sut du 20 -r 25 bar.Nhit du thng hm du 6070c.Nhit u t 100 -- 130c.+ p sut 7 bar l dng. Mc nc trong l l 2/3 ng thu l t.Bc 4: Dng l:+ Tt cng tc u t v v tr.+ Tt cng tc bm v v tr.+ Ct cu dao t in.+ ng van cp nc, cp hi.S h thong l hi nh sau:

Bm du

L hi gm mt bm nc cp t ng v mt bm du cp du cho m t. Nc c bm t' bnh x l nc c kch thc nh sau. Bnh c chiu di 2000 mm, c ng knh () 1000 mm, nc t bnh c bm t ng vo l. Nc bnh c dng nc ging khoan qua x l . Bm nc cp c thng s k thut nh nu trn.Du trc khi vo m phun qua sy s b bnh cha hnh tr c ngknh 4>300 mm, chiu cao ca bnh h =500 mm. Ngoi ra l hi cn c van xan ton, b phn khng ch mc.2. H thng lnh ca nh my :H thng lnh ca nh my gm 3 t my, c b tr trong mt phng my cng vi h thng thu hoi CO2, h thng my nn kh. C 3 t my u chung mt thp gii nhit t pha ngoi tri. Ba t my ny c th chy c lp hoc cng mt lc.

Gii nhit1

n cc h thhaT my lnh 3T my lnh I

-/1^Tank ln men.Tank lnmcn. bo qun men...

hn nil An men

T my lnh 2a. T myTiT my 1 gm 2 my nn c so model 5000S8, dng mi chat R22, my nn h c mot thng s k thut nh sau. Cng sut p = 37 kw, ngun in u = 200 V, tn s f = 50 Hz, in u Y - A, my c khi lng m = 420 kg, my nn c ccte cha du V = 9 lt, my nn c p sut u ay p|y = 11,5 bar, p sut u ht Pht = 0.6 bar. Bnh bay ca t my c t pha di my nn, bnh bay l loi v freon ngp lng, bnh hnh tr c bc cch nhit, ng knh bay hi c>370 mm, c chiu di 1 =1200mm. Bnh c p sut bay hi Po =0. 6 bar, u np ca bnh bay hi c ng dn cht ti lnh vo bnh v ra khi bnh, mi cht lnh si bay hi trong bnh bay hi v thu nhit ca cht ti lnh. Cht ti lnh ca nh my l Glycol c cha trong mt b ln, trong b c chia thnh hai phn, mt bn l Glycol cha c lm lnh, bn cn li l glycol c lm lnh. Glycol sau khi c lm lnh s c bm n cc b phn tiu th lnh.b. T my lnh 2:T my 2 gm 3 my nn ca hng UNICO do c sn xut. Ba my c thng s ging nhau, u dng mi chat R22, c cng sut p = 225 kw, khi lng mi my m = 38 kg. T my gm 2 bnh ngng t c gii nhit nhthp ngng t t ngoi phng my. p sut ngng t ca bnh 1 l Pk = 10 bar, nhit ngng t tk = 90c, p sut ngng t ca bnh 2 l Pk =10 bar, nhit ngng t tk = 90c. Bnh bay hi ca t my kiu ngp, mi cht si bay hi gia khng gian cc ng trao i nhit cn cht ti lnh Glycol c chuyn ng trong ng nh nhit cho mi cht si ngoi ng. Nhit ca bnh bay hi l to = - 10c, p sut bay hi P0 = 1 bar. Cht ti lnh Glycol c bm qua bnh nh mt bm hng trc c lu lng Q = 62 m3/h, ct p ca bm H = 8m, tc vng quay n = 1450 v/ph.c. T my lnh 3:T my lnh 3 gm 02 my nn do Nht Bn sn xut vi model UW120JAY1, mi cht lnh R22. p sut thit k p = 25 -T- 23 kgf/cm2. My nn 2 c p sut u y py = 15 kgf/cm2, p sut u ht Pht = 2.5 kgf/cm2, p sut du P0j| = 10.5 kgf/cm2. My nn 1 c p sut u y pdy = 19 kgf/cm2, p sut u ht Pht = 2.4 kgf/cm2, p sut du P0j| = 4.7 kgf/cm2. p sut bay hi ca my nn 1 l P0= - 6.9c, p sut bay hi ca my nn 2 l P0= - 7.4c. Bnh bay hi ca h thng l kiu ngp, cht ti lnh Glycol c bm vo bnh nh bm c thng s k thut sau: Lu lng = 60 m3/h, ct p ca bm H = 15m, tc vng quay n = 900 v/ph, cng sut ca bm p = 4kW, in u Y380V. H thng C2 v nguyn l s c trnh by chi tit phn gii thiu h thng thu hoi CO2 ca nh my bia NADA. y ch lit k thng s ca mt s thit b trong h thng: My nn CO2: 2 cp nn. p sut sau nn cp 2: 18 kg/cm2. Nhit bnh cha CO2 lng: - 29c.Hng dan thu hi co2 t c in: Thng xuyn thu hoi CO2 t tng ln men, nu thy my CO2 khng kh CO2 phi sang kt hp cng t ln men kim tra h thng tng ln men. Neu thy C02 thu hi ln kh (p lc bnh cha ln cao t 16 -T 17 bar, hoc tuyt v u my nn) th x b kh khng ho lng. Khi x kh phi x nh, thi gian x ph thuc vo p lc bnh cha v p lc ht my ho lng. ng thi, bo t ln men cng kim tra C02 trong ton b h thng tng ln men v thnh phm ang thu hi.Quy trnh vn hnh h thowz nap chai coI Chun bi:1. Chy my lnh:+ Pht lnh cho b lm lnh CO2 trc khi np chai CO2 t' 30 -- 60 pht.+ Theo di p sut hnh trnh ca my lnh iu chnh van tit lu cho ph hp.+ Ch mt du, xem du nhn c hi v lc khng.2. Thu kh C02:+ Xem lch trnh men ca b phn ln men ly kh nhng thng c tui thch hp.+ Kim tra h thng lc CO2 - m nc thay ra - b xung hoc thay ho cht thp oxy ho.II. Vn hnh:1. Chy my nn kh:+ Kim tra h thng in.+ Kim tra tng th du nht - van x xu-pp an ton - ng h - cnh qut.+ M van x cc cp khi ng my khng nng p sut.+ Nghe my chy m - bm du hot ng tt th ng cc van xnng p2. Np chai:+ Kim tra chai, ch np nhng chai c s ng kim lu hnh.+ Van chai phi tt.+ Lp chai vo dn np chc chn mi m van x kh vo chai.+ Neu van no h giong, bch phi ng van chn, tho khidn mitinhnh sa cha.+ Khi lng np ng vi quy nh ca tng lot chai.+ p sut np khng qu 100 kg/ cm2.3. Ch :+ Trong khi vn hnh cn ch theo di cc thng s k thut ca my nn cht ch.+ Neu c s c d nh h thng tch p u phi h p lc dng my kim tra, bo dng b xung du nhn.+ X nc thp tch nc. ni Dng vn hnh:+ ng van dn np.+ M cc van x h bt p lc, ct cu dao cho dng my.+ Tho chai ra khi dn np.+ Dng my lnh.+ Kim tra tng th xem quy trnh vn hnh c pht sinh h hng khng.+ Ngng hot ng ca h thng thu lc kh.+ V sinh bo v dng nh k. T hp my nn kh ca nh my trc gm 03 chic nhng khng c bnh cha. y l mt t hp chy c lp cp kh cho cc tank ln men, do khng c bnh cha nn h thng hu nh phi chy lin tc. Do khng c li so vi h thng my nn kh ch dng mt my nn kh v bnh cha.3. H thng cc ni nu:

Sau y l mt s trch lc v vn hnh h thng cc ni nu ca nh my:Vn hnh ni nu Malt.1. Kim tra hot ng ca m t, cnh khuy, cc van (trc khi nu).2. Kim tra nc, hi, t dung tch nc, nhit nc (Phi > 4 bar, nhit nc, th tch nc theo yu cu cng ngh).3. Bt bm nc nong, lnh, cnh khuy, m van nc vo ni.4. Cho ph gia.5. M van Malt, bt bng ti ng, bng ti nm.6. Theo di qu trnh ln men.7. Vo chng trnh nu, tin hnh nu theo qui trnh cng ngh.8. Tt bng ti ng, nm, ng van Malt (khi qu trnh ho Malt kt thc).9. Chuyn dch ng ho sang ni lc.10. Dng vi nc v sinh ni v bm ht dch sang lc, tt bm.11. Ghi vo phin theo di.Vn hnh ni nu gao:12345

01Kim tra v sinh bng tiNVVH1 thng/ lln.Sch s, khng b mc.

02Kim tra hot ng ca m t, cnh khuy, cc van.NVVHTrc mt m nu.Hot ng bnh thng.

03Kim tra nc, hi t dung tch, nhit nc.NVVHPhi > 4 bar, nhit nc, V nc theo yu cu cng ngh.

04Bt bm nc nng, nc lnh, cnh khuy, m van nc.

05Cho ph gia.Khi lng nc trong ni khong 2 hi.ng, s lng, chng loi.

06M 2 van tay, bng ti go, bt bng ti go.Trc khi liu voM hon ton.

07M van Xcylo, bt bng ti ng.

08Theo di qu trnh ho bt go.

09Tho bng ti ng, bng ti go, ng van.Khi qu trnh ho bt go kt thc.ng van hon ton.

10Thc hin thao tc theo qu trnh nu cho.Theo tng qu trnh cng ngh.

11ng van hi theo qu trnh nu choKt thc un si

12M van nc dng vi v sinh ni.

13Tt bm, ng van ncKhng cn dch cho.

14Ghi vo phin theo di.

Vn hnh ni lnz xov:12345

01Kim tra v sinh niNVVHTrc khi bm dch sang

02ng vale,van ui dch, m van ng thunvvhTrc khi bm dch sang

03M van ht ni hoa, van bm dch xong lng xoyNVVH

04Bt bm nc lnh , bt bm chuyn dchNvvhKhi lng dch ni hoa cn n im xoy

05Tt bm, ng van V17 bt bm tc nhanhKhi lng dch ni hoa cn n im xoy

06Tt bm chuyn sang ch chmnvvhLngdch trong ni hoa gn ht

07Tt bm , ng van bm dch sang lngNVVIIKhi n bo rng trong ni hoa sng

08 lng trong dchNVVHTheo tng cng nghDch phi trong t t yu cu

Chuyn dch i lm lnhSau khi lng trongTheo hng

09NVVHt yu cudn lm lanh

dch ng

Vn hnh ni oc dich ng:1. Kim tra hot ng ca m t, cnh khuy cc van bu khng ch tc bm: - trc khi lc - bu khng ch t mc 50%.2. Bt bm nc nng, nc lnh, ci t dung tch, nhit , m van phun nc nng: - trc khi lc - nhit nc 76c3. ng van iu chnh tc lc, van y.4. M van ly nc m - bn mt sng.5. Kim tra lng dch trong ni lc6. M van iu chnh tc lc, m van tun hon, bt bm dch tun hon sau 5 pht lng - tc 1300 -- 14001/h.7. Ly dch ng u - xc nh th tch dch - dch trong t yu cu - nhn qua knh quan st tc 1300 -T- 2500 1/h.8. t dung tch nc ra b: Tin hnh ra bLn 1- Xc nh th tch.Ln 2- Xc nh th tch.Ln 3- Xc nh th tch.Ra b 3 ln/ m nu, khng c tr b trong qu trnh ra - nc ra < 1.0 p.9. Tt bm lc, m van ng x nc - kt thc 3 ln ra.10. M vanx b, bt vt ti, xb ra bcha bt khuy theo chiu xb.i ct quayv v tr CIP ni lc- btbmCIP,dng vi v sinhschs nilc.4. H thng thanh trng, chit chai v ng kt:S dy chuyn ca nh my c b tr nh sau:

JHLA:

n chai

TZTJHLTUT

n

Thanh trncRa chai v lm kh

u

B phn kim tra

v chai ph phm

Malt khBt soChng 2: Cng ty thc phm cng nghip nam nh, nh my bia NaDaXav

18

Ngm, dch ho, h ho nu chn (72 c 86C)Ngm, ng ho (65 c 75 C)

B (chn nui)LcHuplon hoLng WhirlpoolLn men chnhLn men ph80cB thi7c -- 14cLm lnh8cX lcBo ho CO,Lc biaNp chaiCh- lcChai, lonTng tr

Ra, kh trng

Chit chai, lonKim tra

Chit thngThanh trng

Dn nhn, xp thnsXut xng

2. H thng lnh ca nh my:Nh my c hai phn xng cung cp lnh cho nh my, Phn xng 1 c lp t vn hnh chy sn xut bia lu, do cng ngh ca an Mch lp t. Cn phn xng hai mi lp t nng cp thm, trc y ch c mt h thng lnh gm ba my nn ca Long Bin hu nh qu c. Cng ty POLYCO va lp t cho nh my mt h thng lnh mi v mt h thng thu hi C2. Trong thi gian thc tp ti nh my chng em c xem v tm hiu v h thng lnh ca cng ty POLYCO mi lp t. Phn xng c h thng lnh do cng ty POLYCO mi lp c s nh sau.

S h thng lnh nh my bia NADH thng gm hai my nn c cng sut ging nhau lp song song vi nhau. My nn ca hng Mycom c k hiu NW6B mt cp, 6 xilanh, dng mi cht amonic, t k hiu ca my tra bng 3.2b(sch Hng Dn Thit Ke H Thng Lnh ca tc gi Nguyn c Li) th nng sut lnh v cng sut trn nhit ngng t 35c v nhit bay hi khc nhau. Th tch qut V = 572,6 m3/h, nng sut lnh Qo = 247,3 kw, cng sut trn trc Ne = 80,4 kw, lc my vn hnh chng em quan st thy ng h p sut du ch Poii = 0.45 MPa, ng h u ht ch Ph = 0,15 MPa, ng h u y ch P = 0,95 MPa. My nn c mt bng nc lnh ly t b cha nc ca thp ngng t. My nn c nn ln dn ngng t, dn ngng t dng chung cho c hai my. Dn c thit k ba qut lm mt khng kh cng bc. Dn ngng c thit k vi b phn lm mt bng khng kh, gm ba qut hng trc. Lp t song song vi nhau pha trn gin ngng t. Phn b khng kh ng u khp dn ngng t, khng kh c qut ht t di ln trn. Chuyn ng ct ngang dy ng cha mi cht, chuyn ng ngc chiu vi nc phun t trn xung di.Ba qut hng trc cng sut ging nhau, kch thc ca qut hon ton ging nhau. Mi qut c lp mt ng c khng ng b ba pha ngn mch, kiu KB132M6 c:HP = 4 sc nga,tng ng vi cng sut p = 3 kw Hiu sut T = 81%Dng in vo mc theo A/Y = 220/380 V Dng in khi ng I = 12,8 A Dng in on nh I = 7,4 A s S vng quay n =970 vng /pht H s cng sut cos = 0,76.Lu lng gi ca mi qut l V = 10 m3 /sQut gm ba cnh di 1200mm. B phn qut ch yu hot ng v ma h v do yu cu v ma h i hi nhu cu s dng lnh nhiu, nn my phi chy lin tc trong thi tit nng bc, nhit mi trng ln cao, nc lm mt nhanh b nng, nn phi cho qut hot ng tng ch lm mt. Cn v ma ng nhu cu dng lnh t, nn my hot ng khng lin tc. Nhit mi trng li thp nn ch cn lm mt bng nc phun t trn xung l nhu cu. Dn c chiu cao h = 4250 mm, chiu rng ca dn B = 5300 mm. Mi cht sau khi ngng t trong dn ngng c dn vo bnh cha cao p c dung tch 2 m3, t bnh cao p lng c dn qua van tit lu (gm hai van tit lu ca hai bnh bay hi). Qua van tit lu mi cht c h p sut cao t pc =0, 95 MPa xung p sut pt= 0,15 MPa sau i vo bnh bay hi c nhit bay hi to = -15 c. Bnh bay hi c thit k kiu ng v kiu ngp, trn bao hi c lp ng h o p sut, ng h ch p sut trn bao hi l p0 = 0,2 MPa, hi c ht vo my nn tip tc chu trnh lm lnh.Cht ti lnh ca nh my bia l glycol, phn xng c hai tank cha glycol, mi tank c chia thnh hai ngn, mt ngn c dng cha glycol cha c lm lnh. Glycol tank cha c bm vo bnh bay hi bng mt bm hng trc c thng s k thut nh sau:Lu lng V = lm3/h Ct p h = 25 m c Cng sut p =3,5 kw in p = 380 VTn s f = 50 Hz, s vng quay n = 2900 v/ph.Glycol t ngn ny c bm vo bnh bay hi, glycol nh nhit cho mi cht lnh trong bnh bay hi v sau y glycol c cho vo ngn cn li. Glycol tank c lm lnh ri s c bm i lm mt cc tank ln men v cc b phn dng lnh khc, sau khi cht ti lnh c i lm lnh xong, c hi li vo tank cha glycol cha c lm lnh, c th tip tc chu trnh .3. Tank ln men ca nh my bia NADA:Nh my bia NADA c hai phn xng 1 v phn xng 2 tch bit nhau. V hai phn xng u do cng ty POLYCO lp t nn s khc bit l khng c, bi bo co ny, em ch trnh by v phn xng s 2. Phn xng s 2 ang c cng ty POLYCO lp t, chng em c iu kin c xem trc tip qu trnh lp t cc tank. Phn xng 2 c tt c 10 ci tank ln men, 5 trong s lp t hon chnh v vn hnh , cn 5 chic cn li ang trong qu trnh lp t. S 5 tank ln men vn hnh nh sau.

Tank ln men nh my bia NADA3.1. Tank ln men loi 46 m3 /tanka. Yu cu chung: Ton b phn ca tank c ch to bng inox Tank lm vic ch p sut 2,02... Tip n ton b lng kh c dn qua thp lm kh (lc silicazen). Sau khi kh m ton b lng kh c dn n thit b ngng t CO2 (bnh bay hi lm lnh C02 mi cht i trong ng). Ti y CO2 c ho lng -35c, C02 lng c dn xung bnh cha C02 lng.5. H thng thu hi v x l nc thi:Ngy nay, khi m cuc sng ngy cng pht trin cng l khi m x hi i hi ngy cng kht khe hn v cht lng ca cuc sng. Mi trng quanh cc nh my cng nghip cng l mt yu t quan trng nh gi v cht lng sn phm, hay ni cch khc hn l mt chng ch quan trng mt thng hiu sn phm c th cnh tranh trn th trng v l mt phn khng th thiu trong iu kin c c chng nhn ISO.Nm bt c tm quan trng ny nn cng ty thc phm cng nghip Nam nh, cng ty bia NADA u t xy dng h thng thu hi v x l nc thi trc khi thi ra mi trng. y l mt hng u t mang tnh chin lc lu di v cng l mt bc i mnh dn v c l y l cng trnh x l nc thi u tin th hin c s nhn thc mt cch nghim tc ca nh u t vi mi trng ni chung v mi trng sn xut cng nghip ni ring.Da vo c tnh ca ngun nc thi ca nh my, nh u t s dng h thng x l nc thi bng phng php sinh hc, y l h thng c tnh u vit cao ang c p dng rng ri.(S ca h thng x l nc thi c trnh by trong hnh v km theo bn bo co)Nguyn l hot ng ca h thng ny nh sau:Nc thi theo knh dn i qua b lng ct (1) v song chn rc (2) trc khi vo b tp trung nc thi (3). B tp trung nc thi uc b tr mt phai chn (4) v mt bm nc ma c th gim bt lng nc khi c s t bin v lng nc thi (v d nh khi c ma ln..B tp trung c dung tch l 8m3.Nc thi trong b tp trung c bm vo b iu ho qua ng ng km 0 = 100 mm, ng biu th (a), bng hai my bm bn (mc song song, sao cho c th hot ng c lp) c Q=30 m3/h.B iu ho c tc dng cho cc cng trnh x l lm vic vi lu lng u khi m lu lng v cht lng nc thi t h thng cng thu gom chy v h thng x l thng xuyn dao ng theo cc gi trong ngy. Nc thi t b iu ho c bm sang b sang b Aeroten, ng ch th (d) bng hai my bm bn (2d), mc song song, sao cho c th hot ng c lp, c Q=20m3/h (thng s ca bm c trong phn ph lc i km vi bn bo co). Bn trong b cn c h thng sc kh nn nhm m bo lng oxy ho tan c trong nc thi (ch s DO).Trong nh qun l t 03 my nn kh (hai my hot ng, mt my d phng) Q=24m3/h (thng s ca my nn c trong phn ph lc i km vi bn bo co). ng kh nn c biu th bng ng ch th (f).Be Aeroten (6) c lm bng thp tm 6mm bn trong ph sn epoxy. Hai b Aeroten cu trc nh nhau, mc song song vi nhau trong h thng. Ti ming ca hai b Aeroten c h thng ming trn sang b lng Lamen.Be lng Lamen (7) cng c lm bng thp tm 6mm bn trong ph sn epoxy. Ti mi b Lamen u c ming trn x nc thi sau khi x l ra mng thot nc, ng ch th (b). Ti y ca hai b Lamen lp t hai my bm bn (2c) sao cho tng my c th hot ng ring bit c th bm bn ca tng b ring bit khi cn thit.ng (e) ch th cho ng dn bn tun hon (x bn d) tr li b Aeroten (7), b iu ho (5) v a sang b nn bn (8). ng (g) ch th cho ng nc trn t b nn bn sang b iu ho (5). Ti b nn bn c ca c th ht bn qua x l.V:300(V)01500 RPM Press 5000 mm Aq 37 m3/minPh lc:Bm bn 2c:Bm bn 2d:

Q = 100 "T- 800 1/min (max = H =14 4- 1 m (max = 16)V : 4003~50Hz2900 RPM HP = 1,5 In 8 bar= 3,2 My nn kh:

400 V/ 3+N Ph/ 50 Hz 24 m3/h 37 kW900)

2850 v/p ()19

21

Li ni u1Chng 1: Nh my Heniger21. H thng cung cp hi nng:22. H thng lnh ca nh my :4I. Chun b:51. Chy my lnh:52. Thu kh C02:5II. Vn hnh:61. Chy my nn kh:62. Np chai:63. Ch :63. H thng cc ni nu:74. H thng thanh trng, chit chai v ng kt:9Chng 2: cng ty thc phm cng nghip nam nh, nh my bia NaDa102. H thng lnh ca nh my:113. Tank ln men ca nh my bia NADA:133.1. Tank in men loi 46 m3 /tank133.2. H thng sn thao tc cc tank ln men153.3. h thng cc thit b v ph kin cho h thng cc tankinmen:153.4. Cc loi van:153.5. Cc loi zc co, T , ct loi DN65, DN40, DN25, DN15, DN10163.6. Cc loi ng ng DN65, DN40,DN25, DN15, DN10:.163.7. H thng bo n ng ng:163.8. Hthng in iu khin t ng cc tank ln men:164. Dytruyn thu hi C02 :165. H thng thu hi v x l ncthi:18