The Engine Room - Middle Platform of Ship Engine Room - Bright Hub Engineering PDF

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Summary

this course will give you more details about the meddle platform of the engine room...

Description

2/22/2021

The Engine Room - Middle Platform of Ship Engine Room - Bright Hub Engineering

The Engine Room - Middle Platform of Ship Engine Room 2009-10-29

Marine Machinery, Engines & Controls

2/22/2021

The Engine Room - Middle Platform of Ship Engine Room - Bright Hub Engineering

This post is part of the series: Engine Room Platforms

Introduction

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We learnt about the engine room design and layout of the bottom

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most platform and saw the various machineries and equipment that can be found over there. Now we will proceed a step further (rather upward) and jump over to the next platform or the middle tier of the engine room and nd out what all can you expect to see over there.

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I must state at this stage, that though this would give you a general idea about the equipment layout, do not take this as a hard and fast rule which cannot be altered. So sometimes you might nd some machinery or equipment at a dierent place or location than you have been reading in these articles. This is so because there are so many dierent types of ships having dierent uses and sizes etc, that it is not possible to generalize everything about all vessels. You can expected to nd the following pumps on the middle platform

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of the ship’s engine room: CIVIL EN ELECTRIC MARINE

2/22/2021

The Engine Room - Middle Platform of Ship Engine Room - Bright Hub Engineering

1. Purier steam heater 2. Main engine fuel oil heater

Auxiliary Machinery The following auxiliary machinery can be expected to be found at the middle level of the engine room

1. Main air compressor 2. Auxiliary / topping air compressor 3. Emergency air compressor. 4. Control air compressor 5. Dehumidier 6. Fresh water generator 7. Auxiliary air blower for main engine. 8. Auxiliary generators / alternators. 9. Heavy oil purier 10. Diesel oil purier

Middle Platform Sketch Reasons for Location

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Sometimes the location of a particular machinery or equipment is not

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merely due to aesthetic or design reasons but there might be some operational features associated with the specic location. Given below

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is a list of reasons why some equipment is found at the middle

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platform

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2/22/2021

The Engine Room - Middle Platform of Ship Engine Room - Bright Hub Engineering

generator.

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Normally the waste heat is used to heat water in the fresh water generator. Waste heat from the jacket cooling water or steam line can be connected for the purpose. If the fresh water is generated is located

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at the bottom platform, there would be a back pressure of sea water

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and sucient vacuum will not be created. Hence the reason for it to be

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placed at the middle platform. Why lube oil & heavy oil heaters are provided? Heavy oil and lube oil is heated before entering the purier for the eective purication of the oil, and since the puriers are located at the middle tier, the heaters have to be there.

Air Bottles Main air bottles contain air at a pressure of (25 -30 )kg/cm2. These bottles provide air for the starting of main engine. Compressed air from the air bottle is taken and pressure reduced to (6-8) kg/cm2 by the pressure reducing valve and this air is used for control and service purposes. As per regulations, the air in one of the main air bottle with other air bottle closed and with out the compressor running should be enough to give at least 12 continuous KICKS / MOVEMENTS to the main engine . Mainly vertical air bottles are used for less space consumption.

2/22/2021

The Engine Room - Middle Platform of Ship Engine Room - Bright Hub Engineering

This post is part of the series: Engine Room Platforms This series will give you the clear picture on the ships engine room layout of dierent platforms. 1. Layout Of Middle Level Of Engine Room 2. Engine Room Bottom Platform Explored 3. Ship’s Engine Room Top Platform Explored MARINE ENGINEERING

« PREVIOUS What is Fourier's Law of Heat Conduction?

NEXT » The Engine Room - Drawing Layout of Top Platform in Ship's Engine Room

2/22/2021

The Engine Room - Middle Platform of Ship Engine Room - Bright Hub Engineering

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