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MOLTEN SULPHUR FILTER

MOLTEN SULPHUR FILTER

EQUIPMENT DESCRIPTION

Need: Sulphuric Acid is manufactured from elemental sulphur in both acid manufacturing process Chamber & contact. Sulphur is burned to form sulphur Di-oxide. Any solid matter or ash in this stream causes problem in acid plant Hence removal of those particles is required.

Characteristic of Molten Sulphur:
Molten sulphur is difficult to handle because of its relatively high freezing point & its peculiar viscosity characteristic. Viscosity of molten sulphur decreases normally as temperature is increased from its melting point (110) to 157 Oc. & rises very sharply on further increase in temperature. To maintain constant temperature through out filteration process, all filteration equipments, valves & lines are steam jacketed.

3) Operating Data: Temperature: 140 145 oC

Flow: 2.5 3 Tons / M2 / Day.

(Depending upon quality of Sulphur Being Filtered)


4) Equipment Type: The Jacketed Horizontal Pressure Leaf Filter


5) Classification: Depending upon how filters are opened for cleaning they are classified in two types

a. Shell Retraction:

b. Leaf Bundle Retraction:


6) Filtration Area Available:

a. Shell Retraction (Hydraulic) : 5 150 M2
b. Leaf Bundle Retraction (Hydraulic) : 5 150 M2
c. Leaf Bundle Retraction (Mechanical) : 100 300 M2


7) Material of Construction: Filter Shell: - SA 516 Gr. 60/70
Jacket Shell: - SA 516 Gr. 60/70 / IS 2062.
Filter Leaf: - SS 316 / SS316L / SS 904


8) Leaf Construction:

a) 5 Ply: - 24 x 110 Single Plain Dutch Weave Filter Mesh
8 x 8 Mesh/22 SWG Support Mesh
4 x 4 Mesh/14 SWG Drainage Mesh
Tubular Section, Mesh support mesh Nozzle, Fork & Nut Bolt, washers

b) 3 Ply: - 24 x 110 Single Plain Dutch Weave Filter Mesh
Rigidrain - Open Size 6 mm x 6 mm x 3.15
Tubular Section, Mesh support mesh Nozzle, Fork & Nut Bolt, washers











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