Thursday, March 18, 2010

ANDHRA UNIVERSITY DMCHE 403 Chemical Process Equipment Design


ANDHRA UNIVERSITY DMCHE 403 Chemical Process Equipment Design

UNIT – I
Introduction to plant design. Process design development: Design project procedure, design information from the literature, flow diagrams, preliminary design, comparison of different processes, equipment design, scale-up in design, safety factors, specifications, materials of construction.

UNIT – II
General design considerations: Health and safety hazards, fire and explosion hazards, personnel safety, loss prevention, thermal pollution control, noise pollution and control, plant location, plant layout, plant operation and control, utilities, structural design, storage, materials handling.
Materials and fabrication selection: Materials of construction, selection of materials, fabrication of equipment.

UNIT – III
Mechanical design of process equipment: Pressure vessels – calculation of thickness of cylindrical and spherical shells subjected to internal pressure, heads or covers. Storage vessels – storage of nonvolatile liquids, storage of volatile liquids, storage of gases. Supports for vessels – bracket or lug supports, leg supports, skirt supports, saddle supports.

UNIT – IV
Material transfer, handling and treatment equipment: Pumps and piping, flow measuring equipment, design of filters.
Heat transfer equipment design: Basic theory of heat transfer, consideration in selection of heat transfer equipment, evaporators.

UNIT – V
Mass transfer equipment design: Finite-stage contactors- bubble cap tray, sieve tray and vbalve tray units, maximum allowable vapor velocities, plate and column efficiency, other design factors. Continuous contactors – types of packing, liquid distribution, pressure drop, packing efficiencies. Relative merits of plate and packed towers.
Reactors: Batch reactors, tubular plug flow reactors, back mix reactors expressions for ri, mechanical features of reactor design.

Text Book:1.Peters M.S&Timmerhaus K.D-Plant design&Economics for Chemical Engineers, 4th edn, MGH Co.2. Joshi M.V-Process Equipment Design 3nd EdnMacMillan India Ltd 1981.
ReferenceBooks:1.Backhurst,J.R&Harker,J.H-Process-Plant-Design,HeiemanEdn Lon(1973).
2. Coulson J.M.&Richardson J.F Chemical Engineering Vol.VI (An introduction to Chemical Engineering Design) Pergamon Press, 1993.

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