B massecuite final purity online calculation | Sugar Technology Calculations

B massecuite dropping purity calculation sheet | Sugar Technology

Grain and molasses ratio calculation for ‘B’ continuous pan

In this article explain with example for B grain purity calculation with their required quantity of molasses. B continuous pan grain and molasses flow rate requirement according to the continuous pan capacity. Finally calculate B continuous pan massecuite dropping purity and its vapour requirement.

Data required for B massecuite purity calculation.

S.No	Particulars	Brix	Purity	Specific Gravity
1	Syrup	60	82	1.276
2	AH molasses	75	71	1.337
4	Required B grain footing ( Before slurry feed)	86	75	1.435
5	B grain	88	?	1.435
6	B grain batch pan capacity in metric ton(MT)	60
7	Graining Volume of the batch pan	45	%
8	Grain & molasses ratio	1	3
9	B continuous pan capacity	30	T/hr
10	B massecuite Brix	95	?

Calculation part :

B Grain material purity ( For B grain taken Syrup & AH molasses as a footing material and then further fill up with AH molasses.)

S.No	Particulars	Values	UOM	Remarks
1	Solids in B Grain	52.8	MT	88 x 60 /100
2	Volume of the pan	41.8	M³	60 / 1.435
		418	HL	41.8 x 10
3	Grain Volume	188.153	HL	418 x 45 %
		18.82	M³	188.15 /10
4	Weight of the grain material	27	MT	18.82 / 1.435
5	Solids in grain material	23.22	MT	27 x 86 / 100
6	Solids from Syrup for grain material	8.4	MT	8.4 x 4 / 11
7	Solids from AH for grain material	14.8	MT	23.22 – 8.4
8	Weight from Syrup for grain material	14.07	MT	8.4 x 100 / 60
9	Weight from AH for grain material	19.70	MT	19.70 x 100 / 75
10	Volume from Syrup for grain footing material	11.03	M³	C26 / 1.276
		110	HL	11.03 x 10
11	Volume from AH for grain footing material	14.74	M³	19.70 / 1.337
		147	HL	14.74 x 10
12	Solids from AH to further filling of the grain material	29.58	MT	52.8 – 23.22
13	Weight from AH to further filling of the grain material	39.44	MT	29.58 x 100 / 75
14	Volume from AH to further filling of the grain material	29.4989	M³	39.44 / 1.337
		295	HL	29.49 x 10
15	Final B grain drooping purity	72.8		[ (29.58 x 71) + (23.22 x 75)] / 52.8

B grain and AH required for B Continues pan for given grain and molasses ratio and B massecuite final dropping Purity.

1	Grain Quantity	60	MT
2	AH molasses quantity	180	MT	60 x 3
3	B grain solids for B m/c	52.80	MT	60 x 88 / 100
4	AH solids for B m/c	135	MT	180 x 75 / 100
5	B M/c Production for given B grain solids	187.80	MT	52.80 + 135
	Quantity of B massecuite	197.68	MT	187.80 x 100 / 95
6	Grain feed quantity for Continuous Pan	9.11	MT/hr	60 x 30 / 197.68
		6.35	HL/hr	9.11 / 1.435
7	AH Molasses feed quantity for Continuous Pan	27.32	MT/hr	9.11 x 3
		204	HL/hr	27.32 x 10 / 1.337
8	B massecuite Final purity	71.49	%	[ (52.80 x 75) + (135 x 71)] / 187.80

Steam Flow requirement for Continuous pan.

1	Evaporation rate in AH	21.05	%	((95 -75)/95)
2	Evaporation rate in B grain	7.37	%	(95 – 88)/95
		6.42	T/hr	9.11 x 7.37% + 27.32 x 21.05%
3	Consider 20% extra	7.71	T/hr	6.42 x 1.2
	Steam Flow requirement for Continuous pan	7.71	T/hr

Online Calculator for grain and molasses quantity estimation for continuous pan with final dropping massecuite purity:

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