Lubricantes Para Cojinetes de Molinos.bernardo Vianna

© 2012 Chevron

Bernardo Vianna

Lubricantes para Cojinetes de

Molinos

© 2012 Chevron 2

Typical Sugar Mill Layout

Layout típico de un Ingenio de Azúcar

Layout típico de uma Usina de Açúcar

Crushing Bearing

DD

Crushing Roller

Talbar Coupling

Open gear

Low speed gear

High Speed gear

Turbine Unit

Gear Coupling

Open gear Bearing

Acople

Acoplamento

Catarina

Volandeira

Intermediária

Acoplamento

Redutor de Alta

Turbina

Mancais

Das Engrenagens

Abertas

Mancais dos Rôlos

Rôlos

© 2012 Chevron

Crushing Bearings (or Journal Bearings)

Cojinetes Planos del Molino (Chumaceras)

Mancais da Moenda

3

© 2012 Chevron

Option A

Asphaltic Products

Adhesive

Available at different viscosities

4

Sugartex Sugartex Heavy

Sugartex Extra Heavy

221931 221987 729895

Viscosity cSt at 40ºC

4,333 6,575 11,546


113 137 185

© 2012 Chevron

Option B

Semi Synthetic Products

Available at different viscosities

5

Sugartex Semi Sintetico 7000



743112 743113 743097


7,142 12,514 18,370


245 390 555

© 2012 Chevron

Sugartex 12,500 validation at Ingenio Taboga (Costa Rica)

2003/2004 Season

6

© 2012 Chevron


Temperature monitoring

7

© 2012 Chevron


Product application during the test

8

© 2012 Chevron

Product validation at Ingenio Taboga (Costa Rica)

Aspect after season

9

© 2012 Chevron

Option C

Talcor Product : Mill Brass Compound

Specifically compound product developed for Slow

Rotating High load Steel on Brass Journal Bearings

10

Talcor Mill Brass Compound 571379

NLGI Grade 1

Base Oil Viscosity cSt at 40ºC

1,200

© 2012 Chevron

Talcor Mill Brass Compound

Field Trail at Usina Estivas (Brazil)

Season 2003 -2004

1,550,000 TCM

Type of Mills : 01 Dedini (37”x 78”) and

04 Zanini (36”x 72”)

Mill tested : #1 (37” x 78”)

Nominal crushing capacity: 11 000 Tons/day

Consumption (l-kg/day/Stand):

– Previous product: Usina EP 11,000 : 18,86

– Mill Brass Compound: 2,43

© 2012 Chevron

Usina Estivas

Average temperatures at each bearing

Temperaturas Médias por Mancal

27,0

29,0

31,0

33,0

35,0

37,0

39,0

41,0

43,0

45,0

AGO SET OUT NOV DEZ JAN

Mês

Tem

pera

tura

(ºC

)

Entrada LA Superior LA Saída LA Press Roller LA

Entrada LOA Superior LOA Saída LOA Press Roller LOA

ELOA

RLOA

RLA

ELA

SdLA

SpLA

SpLOA

SdLOA

© 2012 Chevron

Relação TI/TP x Consumo

0,025

0,075

0,125

0,175

0,225

0,275

1/8

7/8

13/8

19/8

25/8

31/8

6/9

12/9

18/9

24/9

30/9

6/1

0

12/1

0

18/1

0

24/1

0

30/1

0

5/1

1

11/1

1

17/1

1

23/1

1

29/1

1

5/1

2

11/1

2

17/1

2

23/1

2

29/1

2

4/1

10/1

16/1

Data

TI/

TP

0,00

0,05

0,10

0,15

0,20

0,25

0,30

Data

Co

nsu

mo

TI / TP (em minutos) Consumo diário (g/TCM)

0,220= 9/41 0,075= 4/53 0,069= 2/29 0,059= 2/34 0,051= 2/39 0,041= 2/49

Usina Estivas

Consumption and Pumping time

2 minutes pumping and

49 minutes stopped

© 2012 Chevron

Talcor Mill Brass Compound

Field Trail at Usina Uruba (Brazil)

Season 2003 -2004

917,000 TCM

Type of Mills : 05 Zanini (30”x 60”)

Mill tested : #5 (30” x 60”)

Nominal crushing capacity: 5,000 Tons/day

Consumption (l-kg/day/Stand):

– Previous product: Sugartex Heavy: 9,75

– Mill Brass Compound: 3,90

© 2012 Chevron

Usina Uruba

Average temperatures at each bearing

Temperaturas Médias por Mancal

25,0

30,0

35,0

40,0

45,0

1 2 3 4 5 6

Mês

Te

mp

era

tura

(ºC

)

Entrada LA Superior LA Saída LA Entrada LOA Superior LOA Saída LOA

© 2012 Chevron

Usina Uruba

Consumption and Pumping time

Relação TI/TP x Consumo

0,025

0,125

0,225

0,325

0,425

0,525

0,625

0,725

0,825

1/1

0

7/1

0

13

/10

19

/10

25

/10

31

/10

6/1

1

12

/11

18

/11

24

/11

30

/11

6/1

2

12

/12

18

/12

24

/12

30

/12

5/1

11

/1

17

/1

23

/1

29

/1

5/2

11

/2

17

/2

23

/2

29

/2

4/3

10

/3

16

/3

Data

TI

/ T

P

0,00

0,20

0,40

0,60

0,80

1,00

1,20

Co

ns

um

o

TI / TP (em minutos) Consumo diário (g/TCM)

No período de Outubro a Dezembro a MBC foi utilizada apenas no 5º Terno.

A partir de Janeiro até Março a MBC passou a ser utilizada, também, no 4º Terno

0,769 = 10/13 0,167 = 4/24 0,300 = 6/20 0,250 = 6/24

© 2012 Chevron

Important for all products !

Plain bearing water cooling

system temperature

Temperatura del agua de

enfriamento de los

cojinetes planos

(chumacheras)

Temperatura da agua de

resfriamento dos mancais

do moinho

Lubricantes Para Cojinetes de Molinos.bernardo Vianna

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