Chuong 2-Bao Bi Kim Loai

8/2/2019 Chuong 2-Bao Bi Kim Loai

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2.3. BAO B KIM LOI2.3. BAO B KIM LOI

q c tnh chung

11

q Bao b st ty

q Bao b nhm


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2.3.12.3.1 C TNH CHUNG

v u im Nh, thun li cho vn chuyn m bo kn (thn, np, y cng loi vtliu)

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Truyn nhit tt, chc chn C b mt bng p, hp dn, c th in vtrng m vecni bo v nn thch hp cho nhiu

loi sn phm thc phm D gia cng, sdng, vn chuyn v bo qunv Nhc im: - D bn mn


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2.3.2 PHN LOI2.3.2 PHN LOI

Vt liu chto

St tySt ty

-- St hSt h

Cng ngh chto

NhmNhm

-- tinh tinh

2 mnh2 mnh

- Thn dnh

3 mnh3 mnh

-- Gm thn,Gm thn,

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thicthic

- C0,2%;Mn 0,8%;Si 0,4%;

P 0,05%;S 0,05%

khit tkhit tn 99%n 99%

lin vi y,np ri cghp vi thn

-- Chto

theo cngngh kovut

np v ynp v y

-- Thn cunThn cunli v ghpli v ghpm thn, npm thn, np

v y ghpv y ghpm vi thnm vi thn

* St m Crom/oxyt* St m Crom/oxytCromCrom


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2.3.3 BAO B ST TY2.3.3 BAO B ST TY

1. Qui cch vt liu thp trng thic- Thp tm dng lm lon hp bao b thc phmc phn theo mt s loi: L, MR, N, D, MC tythuc thnh phn cc kim loi c trong thp

- -

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, ,


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Loi

Thnh phn cc kim loi khc(theo % ln nht) Tnh cht ng dng

C Mn P S Si Cu

L 0,13 0,6 0,015 0,05 0,01 0,06

tinh sch cao,hm lng kimloi tp thp

Dng cho bao bcha thc phmc tnh n mncao

MR 0,13 0,6 0,02 0,05 0,01 0,2

tinh sch khcao, Cu, P tng,

thn dn ch

Thng dnglm bao b ng

rau u, tht, cc

Mt sloi thp sdng lm bao b st ty phbin

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to thp tmtrng thic

loi thc phmc tnh n mnthp

N 0,13 0,6 0,015 0,05 0,01 0,2

tinh sch caosong thnh phnN tng (0,02%)

nn cng tng

Lm thng chac th tch lncn cng

chc, lm npbnh phun tia

D 0,12 0,6 0,02 0,05 0,02 0,2

C gim, P v Cutng nn c bn c, bndo cao

Dng ko si, ch to lonhai mnh


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2.3.3 BAO B ST TY (tt)2.3.3 BAO B ST TY (tt)

2. Tiu chun trng thic- Thic sdng trng ln b mt thp c tinh khit n 99,75%

- Lon cha ng thc phm c trng thic

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, - , g m , c n , g m

- Thic c thtrng bng phng php nhng(14-15kg/tn thp) hoc min (4-5kg/tnthp)

- Tm thp sau khi m thic c ph lp dubi trn DOS (dioctyl sebacate) t2-5mg/m2


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Mt hng K hiu Phn loi c t rng

Sn phm

cn n u i

B SngB mt thic sng bng,trn nhn, phn chiukh tt

R B mt thic sng c vn

nhb m t mi

BB mt hon thnh ca thp trng thic

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mt lnS Bc B mt lp thic bng, c

mu bc c

M Xn Lp thic khng sng bcm tr nn c xm

Sn phmcn ngui

hai lnR B mt sng bc c vn


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2.3.3 BAO B ST TY (tt)2.3.3 BAO B ST TY (tt)

3. Cu to tm thp trng thic1. Lp du DOS(0,002m)

2. Lp Sn2O

0 002 m

Lp oxyt

88

3. Lp Sn(0,35m)

4. Lp FeSn2(0,15m)

5. Lp Fe nn(0,2 - 0,36mm)


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4. Qui trnh cng ngh chto lon st ty

Nguyn l iuNguyn l iu Ra lp du,Ra lp du,sy khsy kh

Cun, hn m thnCun, hn m thn

Ct stCt st

Tch lonTch lon

Loe mingLoe ming

Dung mi hu cDung mi hu c(bc hi)(bc hi)

Sn phm thn ghp ySn phm thn ghp y

To gnTo gn

SySy

Ghp my v thnGhp my v thnPh vecniPh vecni


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Bc 1Bc 1:: Ct thnh nhiu tm nh c chiu rngbng chiu cao lon

Bc 2Bc 2::Ct thnh tm nh c chiu di bng chu

1010

Cc bc ct st to lon 3 mnh

vi y lon

Bc 3Bc 3:: Ct gc, gp mp to m thn


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b) M i ghp mb) M i ghp mthnthn

a) Thn tr chuna) Thn tr chunb ghp mb ghp m

c)Thn tr cc)Thn tr cghp mghp m

1111

Cun hn m thn

Mt ct ngang mi ghpthn t heo phng php

chc

Mt ct ngang mi ghpt hn theo phng php

hnin


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p chy

1212

hn

tn

lm sch


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Nguyn liu thpNguyn liu thptm trng thictm trng thic

Ra lp du,Ra lp du,sy khsy kh

Trng vecniTrng vecni

Sy kh 210Sy kh 210ooCC

Ct st nh hnhCt st nh hnh

VecniVecni

Sy khSy kh6060ooCC

Dp to gn v mcDp to gn v mc

Vin npVin np

Phun cao suPhun cao sum knm kn

Cao su dngCao su dngpastapasta

Np hocNp hocyy

Qui trnh chto np hoc y lon ba mnh


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V tr phun cao su m knV tr phun cao su m kn


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Np lon gia cng hon chnhNp lon gia cng hon chnh


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B mt y hoc npB mt y hoc npc gn chu lcc gn chu lc

Thn hp cThn hp chn m loe mphn m loe mp

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V tr thn v np lcV tr thn v np lcchun b ghp mchun b ghp m

Cu to m i ghp thnCu to m i ghp thnv np hon chnhv np hon chnh

Ghp m


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Con ln ghp m ln th nht Con ln ghp mln th hai

Np

Np

Thn

Mm cp

Thn

Con ln ghp m ln 2

Np

Mm cp

Con ln ghp m ln 1

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nng

Lc nng bn kp theo chiu thng ng hoc nngLc nng bn kp theo chiuthng ng hoc nng

nng

S mm cp ghp m vS mm cp ghp m vcc con lncc con ln


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Qu trnh to mi ghp gia thnQu trnh to mi ghp gia thnv y hoc npv y hoc np


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My ghp m th cngMy ghp m th cng


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My ghp m bn tngMy ghp m bn tng


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1: ng cin

2: bnh rng

3: con ln

4: hp

5: mm di

6: trc mm

7: c cu a con ln tinst hp

8: bn p



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My ghp m tngMy ghp m tng


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Cc con ln ghp m hp vungCc con ln ghp m hp vung


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Dy chuyn rt, ghp m lonDy chuyn rt, ghp m lon


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Cc kch thc tiu chun ca mi ghpCc kch thc tiu chun ca mi ghp


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Ch iu cao m qu ln Mc thn qu ngn Mc thn qu di

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Mc np qu di Phn chng m b htMc np qu di


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e

Mt s kiu lon ba mnh in hnhMt s kiu lon ba mnh in hnh


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a: Chiu cao m hp

: Chiu dy m hp

h: Chiu cao trong ca hp

Kch thc hp trnKch thc hp trn

: u cao ngo c a pd: ng knh trong ca hp

D: ng knh ngoi cahp


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v Tnh kch thc ca hp trn:- ng knh ngoi D:

D = (d + 2) 0,05 mm

- Chiu dy m hp: = (3s1 + 2s2 + 0,16) 0,12 mms1,s2: l chiu dy l st lm np, thn.0,16: chiu dy trung bnh ca lp m cao su0,12: sai s chiu dy l st

- Chiu cao n oi H:H = R a = h + 2c + 2s1R: chiu rng ca ming st ct lm thn hp

a: chiu cao m hp, a=3,2mmc: chiu su ca np hp, thng c=3,2mm

- Chiu cao trong h:h = R (a + 2c + 2s1) = R 2s1 9,6 mm

- Thtch hp V:

V = .d2.h/4 = 0,7854d2h = 0,7854d2(R 2s1 9,6)


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Mt s c lon ba mnh in hnhMt s c lon ba mnh in hnh

ng knh v chiucao H Phm vi s dng 153 x H178

153 x H114

99 x H119

Rau qu, thtC

Sa bt, c ph bt, rau qu

83 x H113

74 x H113

50/52 x H132

57/65/62 x H91

52 x H89

Rau qu , thc ph m dng htkh

Rau qu, tht cNc qu, nc ung cc loi

Nc qu, nc ung cc loiC, ht ging


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2.3.4 BAO B NHM2.3.4 BAO B NHM

1. c im bao b nhm C dng tr trn thuc loi lon hai mnh: thndnh lin y v np

Nhm c mm do cao v nhit nng chy

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phng php dp, vut

Thng c dng cha nc gii kht cgaz, bia, c to p lc bn trong bao b

Nhm dng lm bao b c tinh khit 99-99,8%

dy l nhm lm lon hp khong 320m

L nhm dng gi ko, socola, phomat


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Qung bauxitQung bauxit Tinh chTinh ch

in phnin phn

Nhm nng chyNhm nng chy

Oxyt nhmOxyt nhm

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Qui trnh sn xut nhm l

Cun l nhmCun l nhm

Rt khun to thiRt khun to thi

Cn thnh tmCn thnh tm


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Cun nhml

Bi trnDui, tri thng

Ct thnh hnh trn Ct thnh hnhtrn np

To kha np

Dp to hnhthn tr s b D

p to hnh np,to mc np

Nong vut to thn trc ch.cao yu cu v

to dng y lon

Ct phn tha vin

Gn kha npvo tm np

Ra sch chtbi trn

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m ng on

Ra sch chtbi trn

In mt ngoi, loe mp

Ph vecni bov lon, np

Sy khvecni

Phun cao sum kn

Thn lonthnh phm

Np thnhphm

Qui trnh ch to thn & np lon nhmQui trnh ch to thn & np lon nhm

Sy thn lon

Sy kh


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* Ch to thn hp

Nguyn liu cun nhm: 11250 kg, 508-762 m,

rng 127-152,4 mm, dy 0,32 mm Phn bng c vut qua 2 giai on: bng londy 109m, thn gn ming lon dy 168m

Thtch lon: 355 ml, 330 ml, 375 ml, 500 ml

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Phn y c to thnh vm lm tng chc y lon

* Ch to np lon

T

cng cun nhm s

n xu

t thn

Phun cao su m kn sau khi trng ph vecni


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4040Cc bc sn xut thn hp 2 mnhCc bc sn xut thn hp 2 mnh


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4141Cc bc to hnh thn hp 2 mnhCc bc to hnh thn hp 2 mnh


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Qui trnh p vut thn hpQui trnh p vut thn hp


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4343Cu to lon nhmCu to lon nhm


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Chuong 2-Bao Bi Kim Loai