bảo dưỡng hệ thống pccc

Bo co bo dng cng nghip GVHD: ThS H Dng ng

BO CO

LP K HOCH BO DNG H THNG

PHNG CHY CHA CHY CNG TY SN

XUT BAO B THANH PHT

Gio vin hng dn: Th.S H Dng ng

Sinh vin thc hin : Nhm 3G1B

Lp : 10QLCN


2

Mc lc

LI NI U ............................................................................................................................. 3

I. GII THIU V X NGHIP BAO B THANH PHT ...................................................... 4

1.1 Gii thiu chung v cng ty ............................................................................................. 4

1.2 Gii thiu v h thng phng chy cha chy ca x nghip: ...................................... 5

1.2.1 t vn : ................................................................................................................... 5

1.2.2 Tnh trng bo dng h thng PCCC ti x nghip: .................................................. 6

1.3 Nhn xt ............................................................................................................................. 7

II. LP K HOCH BO DNG CHO H THNG PHNG CHY CHA CHY X

NGHIP THANH PHT: .......................................................................................................... 7

2.1 S b tr h thng PCCC: ........................................................................................... 7

2.2 M t h thng bo chy, cha chy t ng phn xng: .............................. 9

2.3 Nhng iu kin h thng hot ng:...................................................................... 10

2.4 Dn nhn thit b: ........................................................................................................... 11

2.5 H s bo dng thit b ................................................................................................ 12

2.6 Bng ma trn FMEA ...................................................................................................... 13

2.7 Lp k hoch bo dng. ............................................................................................... 15

xut-kin ngh : .......................................................................................................... 16

2.8 Tc dng vic lp k hoch bo dng ........................................................................ 16

KT LUN ................................................................................................................................ 17


3

LI NI U

Do vic cnh tranh ton cu, th trng hin nay m rng cho ton b cc nc

c th cnh tranh t bn ngoi. Trong hon cnh , chi ph sn xut phi m bo c

hiu sut tr nn ct yu. V vy cc nh kinh doanh sn xut phi m bo c hiu sut

ti a ca cng tc bo dng.

i vi thit b t tin cn phi c tnh sn sng lm vic cao v lin tc m

bo cho ch u t thu hi vn nhanh chng, bt c trng hp no dng my s lm cho gi

thnh sn phm tr nn rt cao. Phng trnh s c nghim trng, mc d tin b cng

ngh em li li ch rt nhiu cho con ngi nhng cng mang li nhiu s c phi tr gi

t do thiu quan tm n cng tc bo dng. Nhn thc v bo v mi trng ca ngi

dn ni chung v ngi tiu dng ni ring ngy cng cao hn buc cc nh sn xut cn

phi a ra cc sn phm c tiu chun kht khe hn v bo v mi trng, do cng tc

bo dng hin nay cn quan tm ng mc m bo vic bo v mi trng tt hn.

Bo dng l tp hp cc hot ng cn thit duy tr thit b trong trng thi mi

nh ban u. Cc hot ng ny bao gm: lau chi, sa cha nh v cc cng vic khc

nh thay bng truyn chuyn ng, tra du m, bi trn..cc cng vic ln nh thay th

my mc, ng c v dy chuyn, i tu, thay th thit b.

Qua qu trnh thc tp, c tm hiu v tip xc vi cc cng vic sn xut, hnh

chnh, chng em chn ti Lp k hoch bo dng ti x nghip bao b Thanh Pht l

ni dung chnh cho bi bo co thc tp cng nhn ca mnh.

Ni dung ti gm 2 mc:

1: Khi qut chung v x nghip bao b Thanh Pht

2: Lp k hoch bo dng PCCC ca X nghip

Chng em xin chn thnh cm n s hng dn nhit tnh ca thy H Dng ng

v s gip tn tnh ca cc c ch, anh ch trong X nghip bao b Thanh Pht gip

chng em hon thnh bi bo co ny. Do thi gian i thc t kh ngn v kh nng cn

nhiu hn ch nn bi bo co khng th trnh khi nhng thiu st, chng em mong nhn

c cc kin ng gp ca thy gio v ban lnh o cng ty bi vit c hon thin

hn.

Chng em xin chn thnh cm n!


4

I. GII THIU V X NGHIP BAO B THANH PHT

1.1 Gii thiu chung v cng ty

X Nghip Bao B Thanh Pht c thnh lp theo giy chng nhn ng k kinh

doanh s 0029/Q-UB ngy 16 thng 10 nm 2000.

Tn gi: X Nghip Bao B Thanh Pht

a ch: 856/1 Trn Cao Vn- thnh ph Nng

in thoi: 05113.756452 fax: 05113.759441

Email: [email protected]

M s thu: 0400365608

Gim c hin hnh: b Nguyn Th Trang

Ti khon s: 0050100000776004 ti NH TMCP Phng ng

X nghip Bao B Thanh Pht l n v chuyn sn xut giy v bao b thng carton

cung cp cho cc ngnh cng nghip xut khu v cng nghip tiu dng trong nc, sn xut

in n bao b v cung cp cc loi bao b giy trong ngnh in , in t... cc ngnh cng

nghip xut khu v cng nghip. Vi qui trnh ng b v khp kn X nghip cung cp cc

loi bao b thng carton 3 lp, 5 lp, tm lt, vch ngn, hp n...

X Nghip hot ng trong 14 nm vt qua nhiu kh khn v nay c th trng

rng v c nhiu kinh nghim hot ng. Cng vi i ng nhn vin lao ng lnh ngh v

s qun l nng ng ca b phn qun l. X nghip to c uy tn thng hiu v cht

lng sn phm: Sn phm cht lng tt, thng carton c cng cao.

X nghip gm c 2 phn xng chnh l: xng xeo v xng bao b.

Qu trnh sn xut bt giy ti ch l mt vng tun hon khp kn. T phn xng xeo,

giy c to ra chuyn tip n phn xng bao b gia cng thnh sn phm giy, lng

giy b li, sn phm khng t tiu chun tip tc c a tr li phn xng xeo ti to

li. Trong qu trnh sn xut giy, khng ch lng ph thi c a vo s dng li m cn

k n lng nc thi ra trong qu trnh nghin, trn cng c dng li.

Sn xut bt giy ti ch l qu trnh hng n s hn ch gy nhim mi trng ca

doanh nghip sn xut. Vi 2 phn xng chnh, h thng my mc y , v s vn hnh n


5

nh ca h thng, x nghip c c ch ng nht nh ca mnh trn th trng sn xut

giy, bao b.

S nguyn tc sn xut giy:

I. Khu ch bin nguyn liu

II. Gia cng nguyn liu sau ch bin

III. H thng my to t giy

IV. Gia cng giy sau to t

Hnh 1: phn xng bao b v phn xng xeo

1.2 Gii thiu v h thng phng chy cha chy ca x nghip:

1.2.1 t vn :

H thng Phng chy cha chy l mt trong nhng h thng quan trng v khng th

thiu i vi cc nh my hin nay. N ng mt vai tr ht sc quan trng trong vic bo v

ti sn v tnh mng con ngi. c bit l vi x nghip sn xut giy, c nhiu vt liu d

I

II

III

IV


6

chy th h thng PCCC li c mt nhim v v cng quan trng. Ch u t b ra mt

ngun kinh ph ln cho vic lp t mt h thng bo chy, cha chy. Tuy nhin sau khi han

thnh v a vo khai thc, s dng khng t ln h thng gp trc trc, do lu ngy

khng kim tra nn n lc chy khng hot ng, mt s kh khn khc trong qu trnh s

dng do ngui dng khng nm bt ht ton b h thng... gy thit hi ln v ti sn v tnh

mng con ngui, khin cho vic u t ban u tr nn khng hiu qu.

An ton chy n l mt vic cn c x nghip ht sc quan tm, v vy vic bo dng

h thng PCCC l ht sc quan trng v c kim tra bo dng thng xuyn. Cng tc ny

phi c thc hin hng tun v lin tc m bo an ton cho mi hot ng sn xut v

kinh doanh ca nh my.

1.2.2 Tnh trng bo dng h thng PCCC ti x nghip:

Hnh 2: Tnh trng bo dng ti x nghip Thanh Pht

chng li vic h thng b hng hc hoc g st khng hot ng khi c ha hon,

X nghip cng ang thc hin mt s hnh thc bo dng nh: bo dng nh k v bo

dng sa cha h thng c hot ng.

- i vi hnh thc bo dng nh k: c x nghip ln k hoch cho thi gian sa cha c

th cho tng loi my mc, thit b.


7

- i vi hnh thc bo dng sa cha:

+ i vi nhng h hng nh nh hng ng ng dn, cc nt iu khin trn my, chung

bo, van th cng nhn trc tip sa cha.

+ i vi nhng h hng ln nh hng mch in v cc b phn phc tp khc trong my

mc th cng ty s chp nh gi n nh cung cp h phn tch v hng dn sa cha.

- Ngoi ra i vi nhng h hng nh v in, hi cng ty cng c th thu nhn vin sa

cha bn ngoi vo sa cha.

1.3 Nhn xt

Vic s dng phi hp gia cc phng php bo dng ca x nghip l tng i hp l,

nhng gim thiu kh nng hng hc ca my mc v ch ng trong vic sa cha, hn

ch tnh trng h hng m cn dng trong lc bt th x nghip nn thay th phng php bo

dng sa cha bng vic s dng phng php bo dng phng nga theo tnh trng thit

b bng vic u t xy dng mt h thng gim st, chn on tnh trng thit b ch ng

hn trong vic sa cha v hn ch hng hc bt ng.

II. LP K HOCH BO DNG CHO H THNG PHNG CHY CHA CHY

X NGHIP THANH PHT:

2.1 S b tr h thng PCCC:

Quy trnh hot ng ca h thng bo chy l mt quy trnh khp kn. Khi c hin

tng v s chy chng hn nh nhit gia tng t ngt, c s xut hin ca khi hoc cc

tia la, cc thit b u vo nh u bo, cng tc khn nhn tn hiu v truyn thng tin ca

s c v trung tm bo chy. Ti y trung tm s x l thng tin nhn c, xc nh v tr

ni xy ra s chy (thng qua cc zone hay a ch) v truyn thng tin n cc thit b u ra

l bng hin th ph, chung, ci, n, cc thit b ny s pht tn hiu m thanh, nh sng

mi ngi nhn bit khu vc ang xy ra s chy v x l kp thi.


8

Hnh 3: S minh ha hot ng h thng PCCC


9

2.2 M t h thng bo chy, cha chy t ng phn xng:

H thng k thut ca x nghip hot ng lin tc 12 thng/nm, hot ng trong

iu kin in c cung cp n nh vi in p 250V/50Hz v p sut nc t 0,4

0,7 Mpa.

Hnh 4: M t s h thng bo chy, cha chy t ng

Bng 1: Thit b ca h thng PCCC

1 Bnh cha chy

2 H thng ng dn

3 u phun sprinkler

4 Mn hnh hin th

5 Chung bo

6 B phn kch hot h thng bng tay

7 ng h ch th h thng hot ng

8 u bo

9 Mn chn la

10 T trung tm


10

2.3 Nhng iu kin h thng hot ng:

bit c nhng iu kin h thng hot ng ta nn a ra bng cu hi hiu su

hn v h thng.

Bng 2: Bng cu hi 5W1H v iu kin hot ng h thng

Cu hi t ra Cu tr li

Ai chu trch nhim trong vic bo dng? WHO?

- Cng nhn ph trch bo dng h thng PCCC ca x nghip.

H thng PCCC hot ng khi no?

WHEN?

- H thng in c m bo. Nu cp in th c accquy d phng

- H thng nc c bm y

H thng hot ng nh th no?

HOW?

- Khi c s c chy n xy ra, kch hot b lp trnh

trong thi gian 5 pht s kch hot b iu khin van in

t hot ng, kch hot x ti khu vc .

H thng PCCC ngng hot ng do u?

WHY?

- Nc trong b d tr ht

- Van v ng ng dn nc h hng

Cc yu t nh hng n qu trnh hot ng ca h thng?

WHAT?

- Tc nhn ha hc

- Oxy ha h thng.

- Tc ng c hc

- H hng h thng in

H thng c lp t u?

WHERE?

- H thng bo chy c lp t ngay cc phn xng

xeo v phn xng bao b, kho thnh phm c ch

quan tm. ct pha bn ngoi v cc b nc d tr

c lp t xung quanh x nghip.


11

2.4 Dn nhn thit b:

t hiu qu v nhn bit chnh xc cc thit b , v khi can thip th k thut vin tip cn

nhanh, ta cn t k hiu cho tng loi phn theo cp u tin cng nh v tr , chc

nng .Vic dn nhn ny thc hin nh sau:

Bng 3: Dn nhn thit b .

H

thng Tn gi V tr M hiu V tr M hiu

Cha

chy

Bnh cha chy 1 xx CB1.xx xy CB1.xy




H thng dn 1 xx bn ngoi CD1.xxo xy bn ngoi CD1.xyo

H thng dn 1 xx bn trong CD1.xxi xy bn trong CD1.xyi

H thng dn 2 xx CD2.xx xy CD2.xy

u phun sprinkler 1

xx gn trn

CD1.xxi

CP-

CD1.xxi

xy gn trn

CD1.xyi CP-CD1.xyi

u phun sprinkler 2

xx gn trn

CD2.xx

CP-

CD2.xx

xy gn trn

CD2.xy CP-CD2.xy

Bo

chy

Mn hnh hin th xx BM.xx xy BM.xy

Chung bo 1 xx bn ngoi BC1.xxo xy bn ngoi BC1.xyo

Chung bo 2 xx bn trong BC2.xxi xy bn trong BC2.xyi

B phn kch hot h

thng bng tay 1 xx bn ngoi BT1.xxo xy bn ngoi BT1.xyo

B phn kch hot h

thng bng tay 2 xx bn trong BT2.xxi xy bn trong BT2.xyi

ng h ch th ch

hot ng xx BG.xx xy BG.xy

u bo chy (cm xx BS.xx xy BS.xy


12

bin )

T trung tm xx BTT.xx xx BTT.xy

Mn chn la

xx tt c cc

ca MC.xx

xx tt c cc

ca MC.xy

2.5 H s bo dng thit b

Do tc ng ngoi lc v yu t mi trng ,cc thit b c kh nng ngng hot ng ,hot

ng km , khng ng cng sut thit k gy ra ri ro cao nu c ha hon . Cc dng h

hng ny c lit k bng sau :

Bng 4: Cc dng h hng v nguyn nhn.

H thng Tn gi H hng Nguyn nhn

Cha

chy

Bnh cha

chy 1

Thiu p sut R kh do h van , kch

hot m khng np tr li .

Kh khng sch Qu trnh np li kh

FM200 khng m bo

H thng dn Gp kh km R van

u phun

sprinkler

Phun khng phm vi thit

k

Do h thng dn khng

np p sut , n mn

ha hc , oxi ha kim phun

Bo chy

Mn hnh

hin th Hin th km

Tc ng ngoi lc , h

hng h thng in

Chung bo

kim n

chp

Khng hot ng Tc ng ngoi lc , h

hng h thng in

B phn kch

hot h thng

bng tay

Khng hot ng Tc ng ngoi lc , h

hng h thng in

ng h ch Hin th sai Oxi ha u ni


13

th ch

hot ng

u bo chy

(cm bin )

Khng hot ng, km nhy,

hot ng khng m bo yu

cu

H r-le do chy n , chp

in , oxi ha khi tip xc

tc nhn mi trng

T trung tm

St p , Acqui khng cung cp

15 pht hot ng , ni t

p khng t yu cu , chng

st km

H hng h thng in

Mn chn la Rch nt Tc ng ngoi lc

Nh vy c th phn loi cc h hng ny theo tiu ch nh sau :

Bng 5 : Phn loi h hng

Stt Phn loi Hnh thc h hng K hiu

1 Tc ng ha hc Oxi ha 1.1

n mn ha hc 1.2

2 Tc ng c hc

Tc ng ngoi lc 2.1

r van do mi mn 2.2

Tc ng 2.3

Thiu p sut 2.4

3 Do cp in H hng h thng in 3.1

2.6 Bng ma trn FMEA

Da trn bng chc nng h thng v h hng chc nng, chng ta thit lp c

bng ma trn ging bng sau y:


14

Bng 6: Bng ma trn FMEA.

Tn gi H hng

1.1 1.2 2.1 2.2 2.3 2.4 3.1

Bnh cha chy 1

x

x

H thng dn

x x

u phun sprinkler x x

x

Mn hnh hin th

x

x

Chung bo kim n chp

x

x

B phn kch hot h thng bng tay

x

x

ng h ch th ch hot ng x

u bo chy (cm bin ) x

x

T trung tm

x

Mn chn la

x

2.7 Lp k hoch bo dng.

Bng 7 : Phn tch tin cy.

ST

T M hiu Upti

me

Downt

ime

Number of

breakdowns

MT

TF

MT

TR

MT

BF

Sn sng thit b

T l li

Sn sng nhm

Sn sng h thng Ghi ch

1 CB1.xx

355 10 2

172.

50 5.00

177.

50

97.260274

%

2.7397

26%

99.999997%

92.51050

7%

Trng hp 3 bnh hng bnh cn li vn p ng

2 CB2.xx

364 1 6

60.5

0 0.17

60.6

7

99.726027

%

0.2739

73%

3 CB3.xx

354 11 5

68.6

0 2.20

70.8

0

96.986301

%

3.0136

99%

4 CB4.xx

360 5 12

29.5

8 0.42

30.0

0

98.630137

%

1.3698

63%

5

CD1.xx

o 356 9 12

28.9

2 0.75

29.6

7

97.534247

%

2.4657

53% 97.534247%

6

CD1.xx

i 356 9 11

31.5

5 0.82

32.3

6

97.534247

%

2.4657

53% 97.534247%

7 CD2.xx

355 10 2

172.

50 5.00

177.

50

97.260274

%

2.7397

26% 97.260274%

8

CP-

CD1.xx

i 359 6 14

25.2

1 0.43

25.6

4

98.356164

%

1.6438

36% 99.986489%

1 Trong 2 h u phun vn c th p ng h thng

9

CP-

CD2.xx 362 3 13

27.6

2 0.23

27.8

5

99.178082

%

0.8219

18%

10 BM.xx

357 8 8

43.6

3 1.00

44.6

3

97.808219

%

2.1917

81% 97.808219%

94.37132

8%

Mn hnh hng h thng vn hot ng

11

BC1.xx

o 350 15 12

27.9

2 1.25

29.1

7

95.890411

%

4.1095

89% 99.887409%

12

BC2.xx

i 355 10 3

115.

00 3.33

118.

33

97.260274

%

2.7397

26%

13

BT1.xx

o 350 15 9

37.2

2 1.67

38.8

9

95.890411

%

4.1095

89% 99.876149%

14 BT2.xxi

354 11 4

85.7

5 2.75

88.5

0

96.986301

%

3.0136

99%

15 BG.xx

350 15 11

30.4

5 1.36

31.8

2

95.890411

%

4.1095

89% 95.890411%

ng h trng thi hng h thng vn hot ng

16 BS.xx

356 9 9

38.5

6 1.00

39.5

6

97.534247

%

2.4657

53% 97.534247%

17 BTT.xx

354 11 14

24.5

0 0.79

25.2

9

96.986301

%

3.0136

99% 96.986301%


16

Nh vy c th tnh c sn sng ca ton b h thng nh sau :

sn sng HT = 92.510507% x 94.371328% =88.827742%

C th thy sn sang ny qu km i vi h thng PCCC ,cc thit b d h hng nm hu

ht h bo chy v tn sut xy ra h hng cao , cao nht nm ngay chnh t trung tm .

xut-kin ngh :

1. Da vo tnh trng trn c th thy :

a. Do cng ty t bo dng m khng s dng cc dch v bo dng chuyn

nghip v h thng PCCC .

b. H thng lp t c .

c. H thng in khng p ng tt .

d. Mi trng nh my khng c o c k lng trc khi lp t gy ra tnh

trng n mn khng kim sot .

2. xut :

a. u thu lp rp , sa cha li ton b h thng in

b. Lp mi T trung tm , thit b bo chy , bo khi , v cc thit b ngoi vi .

c. Bo dng tt hn h thng in nh my , o c k lng trc khi u ni

vi HT PCCC

d. a thm danh mc bo dng ring Acqui t in v t mc u tin cao cho

danh mc ny.

2.8 Tc dng vic lp k hoch bo dng

Vi vic lp k hoch bo dng a li nhng hiu qu to ln cho cng ty nh:

- T tin cho hot ng sn xut ca x nghip.

- m bo an ton cho cc hot ng sn xut.

- Vic khc phc s c, h hi do chy n din ra ch ng hn.

- Thit b tnh trng tt, gim h hi cho h thng .

- Khi cc thit b sn sng hot ng vo lc cn thit vi cht lng thc hin tt th sn

xut m bo lin tc vi cng sut cao.


17

- Cc cng vic bo dng-bo tr c thc hin sun s, c k hoch i ph vi

cc s c h hng do on bit c chu k h hng ca h thng v tng thit b .

- Tit kim chi ph do tui th thit b c tng ng k v chi ph trc tip cho vic

sa cha khi cc vn c chn on v pht hin sm gim i kh nhiu. Song

song vi gim chi ph, tc ng mi trng ti cc thit b cng c gim thiu.


18

KT LUN

Trong thi k hi nhp, vic bo tr, bo dng cho my mc thit b c thc hin

trong cc nh my nh xng ng mt vai tr ht sc quan trng trong hot ng sn xut

kinh doanh. Hin nay, ngnh bo dng hu ht cc doanh nghip u kh lc hu v khng

c nh gi ng tm quan trng ca n nn hiu qu s dng my mc thit b vn cn

thp. Do , t c hiu qu s dng trang thit b ti a, cc doanh nghip cn nhanh

chng trin khai ng dng cc cng ngh v k thut bo dng hin i.

T vic kho st v nghin cu tnh hnh bo tr thc t ti cng ty cng nhng li ch

to ln ca k hoch bo tr, bo dng mang li, nhm lp k hoch bo tr, bo dng h

thng PCCC cho x nghip sn xut bao b Thanh Pht.

Trn y l ton b k hoch bo tr, bo dng nhm lp nhm nng cao hiu qu

hot ng ca cng tc PCCC ca cng ty, ng thi t gp phn an tm sn xut, gip

hot ng kinh doanh ca cng ty hiu qu hn.

Nhm sinh vin gm c:

Nguyn Hong Phc

Thiu Nht Quyn

Nguyn Thy hng

Nguyn Th Kim Ngn

bảo dưỡng hệ thống pccc

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