Air compressor may be overhauled for planned maintenance or stripping down for survey purposes.
Marine air compressor line diagram.
As the name itself suggests and these compressors have the rotary motion instead of reciprocating motion of the internal parts responsible for compressing the air.
Click the image to enlarge the simple reciprocating air compressor has a piston which reciprocates inside the cylinder wall and cylinder head.
It may be in line or even in v shape.
The emergency air compressor is not to be counted as a normally used machinery.
During maneuvering these compressors when put in use fills up the air bottle faster than other compressors thus.
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Versatile design for a wide range of on board applications made to withstand corrosion.
7 sizes of screw compressors to cover a range of approximately 50 to 2800 m h air receivers.
Now we will take a very brief look at one more type of compressors namely rotary compressors.
In reefer ships the temperature of the perishable or temperature sensitive cargo such as food chemical or liquefied gas is controlled by the refrigeration plant of the ship.
An air compressor has a cylinder head which differs depending upon the type.
These are used only when a ship enters or leaves a port mostly during maneuvering only.
To understand the operation of an air compressor let us assume the cycle and indicator diagram for a simple single stage reciprocating air compressor as shown below.
The refrigeration plants on merchant vessels play a vital part in carrying refrigerated cargo and provisions for the crew on board.
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If it is in line usually the 1st stage and 2nd stage are in a same cylinder head block.
This will include joints gaskets major spare parts such as piston piston rings bearings etc.
Like pumps compressors can be classified as either kinetic machines which includes centrifugal and axial compressors or positive displacement machines which include reciprocating and rotary compressors.
The compressing medium or gas depends on the application such as if air is used it is termed as an air compressor.
Marine air soon added chilled water systems to its product line to meet the needs of the largest yachts.
Common marine air products.
First of all make sure the spare parts are available on board.
Its line of microprocessor controls with can bus adapters provide ship wide network capability at the touch of a.
But in a v shaped compressor the 1st stage and 2nd stage may be entirely different connected by high pressure pipes.
