THE CONSTRUCTION OF PROPELLER AGITATOR IN UNIT OPERATION

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THE CONSTRUCTION OF PROPELLER AGITATOR IN UNIT OPERATION

 

CHAPTER ONE

1.0                   INTRODUCTION

In unit operation, mixing of two or more substances have posed difficulty in chemical engineering process.  Because of the problem encountered during the process.  Industrial equipment are being designed from experience rather than the fundamental theory because of the high dependency on the effective mixing of fluids and solids in unit operation process.

The term mixing, is applied in preparation of uniform combination of two or more material, which may differ in degree of homogeneity of mixed material. The product from the process may be homogenous or heterogeneous.

In most chemical industries, factories even homes, two or more substances are expected to be properly mixed for a specific purpose.  To enhance these process, experimental agitation were developed to serve a broad practical and basic fluid mixing problems.  In process operation, he action of agitation enable one to predict the performance of a full equipment or help in establishing more general correlation in fundamental studies.

The application of propeller agitator is common in low viscous liquid which is commonly used in confectionary industries, liquid food drinks e.g five-alive, bottled drinks and canned beer.

Mixing machine (propeller egitator) is therefore indispensable to humanity and nutrition based industries.  However, varied method of material mixing are applicable in some cultural setting to form a homogenous product.

There are varieties of mixers, but in selecting a mixer for a purpose, some basic factors are put into consideration such as process requirements, equipment cost, flow properties of the process fluid.  The constructional material to achieve high level and the equipment chosen to meet all purpose requirements.  A good mixer is however the one which provides a well mixed product at lowest cost.

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THE CONSTRUCTION OF PROPELLER AGITATOR IN UNIT OPERATION

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