Ash Handling System Calculation

DOC. DOC. No. No.

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ENGENG-ST STC/ C/Jo Job. b.No No//Dat Date.M e.Mont onth/Ye h/Year  ar 

ENGINEERING DEPARTMENT

TITLE :

ASH YARD DESIGN CALCULATIONS

CUSTOMER :

END USER :

Sheet No. REV.

PROJEC PROJECT T

: Malina Malinauu 2 x 3 MW

JOB NO. (REK) TAG NO. DATE NOTE :

SERVICE

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: :

MODEL JOB NO. (NWI)

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SERIAL No.

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REVISION No . PAGE 0 1 2 3 4 5 DISTRIBUTED :

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PT. ALBOK BOILER INDUSTRIES 

ENGINEERING DEPARTMENT

Job No. PROJECT : Malinau 2 x 3

BASIC DATA

Sheet Rev. PRODUCT

Item Name

Ash Yard

Quantity

2 Unit

1

: Ash Yard 

Coal Consupmtion

Bc

4.38

t/h

Ash Output of Each Boiler

At

0.219

t/h

Fly Ash Ratio

Rfa

71

%

Bottom Slag Ratio

Rbs

29

%

Bottom Salg Handling System Margin Factor

Kbsc

2.5

m²

Ash Handling System Margin Factor

Kac

2

m

Bulk Density of the Fly Ash

Bda

0.75

m

PT. ALBOK BOILER INDUSTRIES 

Of 

ENGINEERING DEPARTMENT

ASH HANDLING SYSTEM CAPACITY

Job No. PROJECT Malinau 2 x 3

PRODUCT 1.

Sheet : 2 Of  Rev. :

: Ash Yard 

Bottom Slag Handling a.

Bottom Slag Output of Each Boiler Ab =

At*Rbs

=

0.0635

t/h

100 b.

Bottom Slag Handling System Design Capacity for Each boiler Cbb

c.

=

t/h

=

t/h

=

t/h

SSC water Consumption Ws

f.

0.127

Submerged Scraper Conveyor (SSC) Capacity Ccbcc

e.

* Kac =

Matin Crusher Capacity (Design) Cbec

d.

Ab

=

Circulating Pump Capacity Cp

=

Ws

PT. ALBOK BOILER INDUSTRIES 

ENGINEERING DEPARTMENT

ASH HANDLING SYSTEM CAPACITY

Job No. PROJECT Malinau 2 x 3

PRODUCT 1.

Sheet : 2 Of  Rev. :

: Ash Yard 

Fly Ash Conveying a.

Fly Slag Output of Each Boiler Aah

=

At*Rfa

=

0.155

t/h

100 b.

Ash Handling System Design Capacity for Each boiler Ca

c.

Cc

=

Cc

=

Ca*48/Bda*1.2

=

17 m³

=

m³

=

5 t

Dry Ash Unloader Uda

 j.

=

Capacity of Conveying Truck for Fly Ash (Albok Provide) Ct

i.

t/h

Capacity of Fly Ash Silo (Selected) Vc

h.

=

Needed Capacity of Fly Ash Silo Vnc

g.

t/h

Capacity of Dryer Cd

f.

0.311

Capacity of Filter Cf

e.

Aah * Kac =

Capacity of Compressor (Selected) Cc

d.

=

=

t/h

Conditioning Unloading Uc

=

Ct/0.25

=

20 t/h

PT. ALBOK BOILER INDUSTRIES