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Finepac ® Structures Pvt. Ltd. which began its operations in 1993, has its headquarters in Pune and has been active in manufacturing equipment for the chemical process industries. The company has an integrated portfolio of services and its USP is its constant innovation in terms of applying cutting-edge revolutionary technologies. Led by technocrats
P.K. Shah and Suhas Wakchaure, the company has made available to the industry the advantages of high efficiency devices for separation technology solutions.
Finepac ® has a state-of-the-art manufacturing plant with an area of 20,000 sq.ft. Machines and tools developed with innovative ideas are employed in the manufacturing process to ensure better yield. Finepac ® also has a full-fledged fabrication and machine shop for manufacture of Column packing (structured packing, random packing), Column internal, Distillation trays(Sieve trays, bubble cap, floating valve & fixed valve) Process Columns, Heat Exchangers, Pusher Centrifuges, Static Mixers etc.
The fabrication shop is equipped for manufacturing column trays of different types also. The company can undertake fabrication from various MOC like carbon steel, stainless steel, copper, titanium etc. Finepac ® has developed the pusher type horizontal continuous pusher centrifuges used for solid liquid separation. Smaller to medium capacity machines have already started spinning in the chemical industries with satisfactory results and the company is now planning to introduce pusher centrifuges of bigger capacities.
The company also supplies static mixers. Finepac ® caters to the chemical industries for mass transfer operations in general and for distillation, absorption, solid liquid separation and mixing operation in particular and to the industry segment of organic chemicals, petrochemicals, drug and dye intermediates, pharmaceuticals, aromatic and essential oils, pesticides and fertilizers, alcohols, & oil and gas industries.
The company's future plans include development of equipment for other unit operations and enguage in Design, Manufacturing & Supply on a turnkey basis for solvent distillation like Methanol, IPA, Acetone etc. Finepac ® has a multicultural team international experience, gained from having worked across a wide range of industries. The company also forges alliances with respected business partners in the field of business promotion. In a nutshell, Finepac ® offers an experienced eye coupled with a dynamic yet integrated portfolio.
Structured Packed Column
Structure Packed column is crimped layers or corrugated sheets which is stacked in the column. Each layer is oriented at 70° to 90° to the layer below. Structured packed offers 30% capacities higher than random packed for equal efficiency up to
50% higher at the same capacity,
Random Packed Column
Random packing is packing of specific geometrical shapes which are dumped into the tower and orient themselves randomly. Random packing has more risk than structured packing and less ability to handle maldistributed liquid.
Packed column utilize packing to contact between the phases (liquid-vapor) on the surface. Packed column performs well at low pressure, low liquid and vapor loading that make packed column have the most efficient in these terms.
Tray design is combination theory and practice. Tray dimension are kept within the range of values known to give satisfactory performance. The basic requirements of a tray are that should:
1. Provide good vapor-liquid contact
2. provide sufficient liquid holdup for good mass transfer (high efficiency)
3. have sufficient area and spacing to keep the entrainment and pressure drop within acceptable limits
4. have sufficient downcomer area for the liquid to flow freely from tray to tray
The down-comers require a disengaging area to separate the liquid from the vapor. This area requires a minimum distance that normally sets the tray spacing. The liquid
is required to travel across the deck to the next down-comer. Baffle tray has three type’s tray, there are Shed Decks, Side to Side Trays, Disk and Donuts Tra
Valve Tray is using valve which is rise as vapor rate increase and then reduce as vapor rate fails, this stop the liquid from weeping. Valve can be round or rectangular,
with or without caging structured. Valve disk rise as vapor rate increase. Valve tray has minimum capacity approximately 60%
Dual flow tray
Dual flow is a sieve tray without downcomer. It designed with enough open area on the tray deck to eliminate stagnation and promote back missing. Vapor move up to the
tray above through the hole while the liquid turn down in the same hole that result mal-distribution and low efficiency.
Sieve Deck Tray
Sieve deck tray is perforated plate with holes punched into the plate usually has holes 3/16 in to 1 in diameter. Vapor comes out from the holes to give a multi orifice effect.
The vapor velocity keeps the liquid from flowing down through the holes (weeping). The number and hole size are based on vapor flow upthe tower.
Type of Tray column
Bubble Cap Tray
A bubble cap tray is perforated flat which has a riser (chimney) for each hole cover with a cap mounted. Usually equipped with slots to allow the passage of vapor then
the vapor will contact with liquid forming bubble on the next tray. It is able to operate at low vapor and liquid rates (less than 2 gpm per foot of average of flow width).