pk-10-m2-cs-001 calculation dap bin (2-v-001 a) rev.a

8/10/2019 Pk-10-m2-Cs-001 Calculation Dap Bin (2-V-001 a) Rev.A

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MECHANICAL CALCULATION FOR DAP BIN (2-V-001 A)

Doc. No. :PK-10-M2-CS-001

Rev. : A

Date : 05-09-14

Page : 1 / 6

NPK GRANULAR IIPT PUPUK KUJANG

K.Doc. No. :5712-1-1-CS-001

PROJECT : NPK GRANULAR II PT PUPUK KUJANG

OWNER : PT. PUPUK KUJANGLOCATION : CIKAMPEK

DOCUMENT NO. : PK-10- M2- CS-001

JOB NO. : 5712

A Issued for Approval 05-09-14 DSW FJR MFT

REV. DESCRIPTION DATE PREPARED CHECKED APPROVEDAPPROVED BY

OWNER


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MECHANICAL CALCULATIONFOR DAP BIN (2-V-001 A)

K.Doc. No. :5712-1-1-CS-001

REVISION HISTORICAL SHEET

REV. NO. DATE DESCRIPTION

A 05 September 2014 Issued For Approval


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K.Doc. No. :5712-1-1-CS-001

PAGE REVISION

Page

No.

Page

No.A B 0 A B 0

1 X

2 X

3 X

4 X

5 X

6 X


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K.Doc. No. :5712-1-1-CS-001

TABLE OF CONTENT

REVISION HISTORICAL SHEET ......................................................................... 2

PAGE REVISION ................................................................................................ 3

TABLE OF CONTENT........................................................................................... 4

1. PURPOSE ................................................................................................... 5

2. DESIGN DATA ............................................................................................ 5

3.

REFERENCE ................................................................................................ 5

4.

CALCULATION ............................................................................................ 5

ATTACHMENT A (HOPPER CALCULATION SHEET) ........................................... 6


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K.Doc. No. :5712-1-1-CS-001

1. PURPOSE

The purpose this calculation is to check volume capacity of bin/hopper as per requirement and to make sure

material that used in this hopper is satisfy.

2. DESIGN DATA

This design data as per data sheet No. NPK 2/PKG-PKC-NPK 2/2013/JM-67-45

a. Stored Product : DAP

b. Bulk Density : 960 1040 kg/m3

c. Nominal Capacity : 30 ton

d. Design Temperature : AMB

e. Design Pressure : ATM

f. Corrosion Allowance : 3 mm

g. Material Plate : A 283 Gr. B or Equivalent

h. Thickness Plate : 8 mm

3.

REFERENCE1. Data sheet No. NPK 2/PKG-PKC-NPK 2/2013/JM-67-45

2. API 650 Tenth Edition, Welded Steel Tank for Oil Storage

3. Pressure Vessel Handbook ,Twelfth Edition, Eugene F Megyesy

4. Roarks Formulas for Stress and Strain, Warren C. Young

4. CALCULATION

Please see attachement A. Bin & Hopper Calculation Sheet


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K.Doc. No. :5712-1-1-CS-001

ATTACHMENT A (BIN & HOPPER CALCULATION SHEET)


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EQUIPMENT : DAP BIN

ITEM NO : 2-V-001 A

JOB NO : 5712

I. DESIGN DATA

Dimension

- Height of Bin Portion : 1000 mm

- Vertical Height of Hopper Portion : 2980 mm

- Top Opening Side 1 : 5470 mm

- Top Opening Side 2 : 2860 mm

- Bottom Opening Side 1 : 400 mm

- Bottom Opening Side 2 : 400 mm

- Main Plate Thickness : 8 mm

- Corrosion Allowance : 3 mm

BIN & HOPPER

CALCULATION SHEET

5470

2860

0

ENGINEERING & CONSTRUCTION

P T K R A K A T A U E N G I N E E R I N G

100

2980

400

Material

- Shell : A 283 Gr B or Eq.

- Stiffener : A 36 or Eq.

Stored Product : DAP

Bulk Density : 1040 Kg/m3 ( 960 -1040 kg/m3)

II. VOLUME & CAPACITY CALCULATION

Volume of Bin Portion : 16 m3

Volume of Hopper Portion : 17 m3

Total Volume of Hopper : 33 m3

Capacity of Hopper : 34.320 Kg = 34,3 Ton

2980

400

400

1 of 8


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EQUIPMENT : DAP BIN

ITEM NO : 2-V-001 A

JOB NO : 5712

BIN & HOPPER

CALCULATION SHEETENGINEERING & CONSTRUCTION


III. MECHANICAL CALCULATION

3.1 Shell Side

P = Load of Hopper kgA = Cross Section Area cm

2

q = Load per area kg/cm2

a = Horizontal length without reinforced cm

b = Vertical length without reinforced cm

= Yield stress of material si

0,30

90,00

50,00

36.000 00

16.64054.700

P

a

b

Kg/cm2

E = Elastic Modulus of Material psi

kPa

Ratio a/b

ab

=

=

3.1.1. Thickness Required

t2

=

t = cm : 4,2 mm

Shell Thickness Required (t + CA) : 7,2 mm

Adopted Shell Thickness is : 8 mm

Therefore, adopted thickness is satisfactory

2.531

3.0*E+7

0,42

206.842.719

= 1,8

0,1017

0,5888

0,18

2

2

max

t

qb

max

2

2

qbt

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EQUIPMENT : DAP BIN

ITEM NO : 2-V-001 A

JOB NO : 5712

BIN & HOPPER



3.1.2. Check for maximum deflection (Ymax)

q = Load per area : 0,30 kg/cm2

30,42 kg/mm2

b = Width without stiffener : 50 cm

500 mm

ta = Adopted thickness : 8 mm

Ymax = *q*b4/(E*ta3)

= mmYmax < 1/2 ta 1,83mm < 4mm

Therefore, adopted thickness is satisfactory

3.1.3. Check for Stiffening Frame

1,83

3

4

max

Et

bqy

Pd = Load per area : 0,30 kg/cm2

: 29,83 Kpa

a = Horizontal length without reinforced : 900 mm

b = Vertical length without reinforced : 500 mm

R1 = 0.03*Pd*a : 0,8055 kN/mR2 = 0.32*Pd*a : 8,5917 kN/m

Sa = Allowable Stress : 16.600 psi

: 114.453 kPa

a. Minimum Required Moment of Inertia for horizontal top edge stiffening (I1)

Moment inertia required:

I1 = R1*a4/(192*E*ta) : 1663,37 mm

0,1663 cm4

Momen Inertia of used stiffener (WF Beam 150 x 75):

Ix = cm

Iy = cm

666

49,5

R1

R`2a

atE

aRI

192

4

1

1

3 of 8


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EQUIPMENT : DAP BIN

ITEM NO : 2-V-001 A

JOB NO : 5712

BIN & HOPPER



Position Stiffener frame at hopper

=====> < 49,5

Therefore, Stiffener is satisfactory

666

49,5

I1 Iy 0,1379

a

Shell

Stiffener

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EQUIPMENT : DAP BIN

ITEM NO : 2-V-001 A

JOB NO : 5712

BIN & HOPPER



b. Minimum Required Moment of Inertia for horizontal intermediate stiffening (I2)

Moment inertia required:

I2 = R2*a4/(192*E*ta) : 14711,00 mm

1,4711 cm4

Momen Inertia of used stiffener (WF Beam 150 x 75):

Ix = cm

Iy = cm

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pk-10-m2-cs-001 calculation dap bin (2-v-001 a) rev.a

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