Pressure Leaf Filter for Molten Sulphur Filtration in Shell & Bundle Retraction Design

	Products / Molten Sulphur Filter

Sharplex have supplied several filters for Molten Sulphur Filtration in sulphuric acid & sulphonation plants.

Normally 'ASH' is a impurity which needs to be removed from sulphur so that further processing using molten sulphur should be smooth.

Sharplex offers horizontal pressure leaf filter for molten sulphur filtration in following two versions -

Shell retraction design - In shell retraction design leaf remains steady and shell is retracted to & fro.
Bundle retraction design - In bundle Retraction Design Shell is steady and leaf bundle is retracted to and fro.

Both the versions are operated (for opening and closing of filter) hydraulically for easy of operation.

Filtration area : from 5 m² to 200 m².

General Process

Initially the filter is precoated with filteraid (kieselguhr or perlite). After precoating molten sulphur from sulphur pits is fed to the filter for filtration of ash. After the filtration cake is dreid with steam. After drying is complete filter is opened and cake is removed manually by knocking at leaf bottom by wooden spatula.

Typical Filtration Cycle

Material

Normally filter vessel is manufactured in carbon steel / boiler quality material and is jacketed. Filter leafs are made of 5 layer design and are in complete stainless steel. Leafs are bolted or rivetted design.