Plant Design Lecture 01

5/23/2018 Plant Design Lecture 01

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Chemical Engineering Plant DesignCHE 441

Dr. Asim Khan

Assistant ProfessorEmail: [email protected]

Lecture 1


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INTRODUCTION


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Pre-Requisite

Have strong grip on fundamentals of:Unit operation

Unit processes

Thermodynamics

Mass & energy balances

Economics

Reaction engineering

Basic sciences

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Course Objective

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Process design, implementation and the control of

existing chemical plant and new development Knowledge of environment and safety issues

regarding chemical plant with focus on

minimization of pollution

Process integration to minimize the energy

requirement

Optimizing with focus on minimization of cost and

maximization of profit Different issues faced during the operation of

plant

Strategies for the design of chemical equipments


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Course Description

Introduction Process design development

Equipment designing

Heat integration Costing

Optimization

Safety & environment

Process modeling & simulation

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Reference Books

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Reference Books


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Reference Books


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Reference Books


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Plant Design Project Stages

1. Inception

2. Preliminary evaluation of economics and market

3. Development of data necessary for final design

4. Final economic evaluation

5. Detailed engineering design

- capitalized engineering and expensed

engineering

6. Procurement

7. Erection

8. Startup and trial runs

9. Production 10


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Factors Involved Plant location

Plant layout

Materials of construction

Structural design

Utilities Buildings

Storage

Materials handling

Safety

Waste disposal

Federal, state, and local laws or codes

Patents11


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Nature of Design

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DESIGN CONSTRAINTS DESIGN PROCESS


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Types of Design

- Quick estimate design (Preliminary)

- Detailed estimate design

- Detailed design (Exact specifications)

Feasibility survey (Market analysis)

Choosing the basis (Product and raw-materials)

Simplified flow diagram and material balance, flow rates calculations,

energy balance, specs of streams

Equipment specifications (Columns, vessels, reactors, heat exchangers,

pumps, instrumentation, other equipments)

Design reports

Construction and operation

Design Procedure


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Block Flow Diagrams (BFD)

Process Flow Diagrams (PFD's)

Piping and Instrumentation Diagrams (P&ID's)

Flowsheet Development


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Biomass/Coal Gasification

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Block Diagram


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Process Flow Diagram


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Piping and Instrumentation Diagram


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Designing of Equipments

Heat Exchangers

Furnace Boiler

Evaporator

Dryer

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Heat Transfer


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Distillation column

Stripper

Absorber

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Mass Transfer

Designing of Equipments


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Heat Integration

Systematic methodology For energy utilization within the process

To identify the energy targets

To optimize the utilities

Makes cost competitive process in terms of energy usage

Recover and reuse as much heat as possible Reduce

Capital investment

Energy use

Operation cost Increases

Process flexibility

Quality

Better environment performance


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Cost Estimation

Capital Investment

Direct Cost & Indirect Cost

Operating Cost

Maintenance Cost

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Safety and Environment

Hazop study Environment friendly

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Documents

Plant Design Lecture 01