Ship refrigeration units

Ship refrigeration units.Refrigeration (or refrigeration) means installations intended for artificial lowering. the temperature of the room for the purpose of preserving or freezing perishable products, preparing ice and air conditioning. Various liquids and ra3y are used as refrigerants in refrigerating plants, capable of boiling at low temperatures with decreasing pressure: ammonia, Freon-12, Freon-22, carbon dioxide,…
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Assembly of translational motion mechanisms and methods of accuracy tests

Assembly of translational motion mechanisms and methods of accuracy tests.Assembling the mechanisms of translational motion and methods of checking for accuracy The assembly begins with the installation of overlaid guides (if any). Beforehand, landing machines must be prepared on the machine bed by grinding or by “painting”. places for false guides. Then, fixing the guides…
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Placement of ship systems and pipelines

  Placement of ship systems and pipelines.The corresponding systems and pipelines of various liquids and gases flow (water, steam of fuel and oil, spent fuel, etc.). The trail of the system and the pipelines are, as it were, the ship’s nutrients and serve to ensure an uninterrupted slave of the power plant, as well as…
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Features a variety of towing operations

Features a variety of towing operations.A set of facilities that allow a vessel to tow another floating object or itself to be taken in tow is a towing device. A towing device is necessary for each ship, but there is a need for vessels specially designed for towing operations and assisting ships when maneuvering them…
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Seagoing tug

Sea tugs. Modern tugboats perform a large number of different operations: porting vessels to the port from the port, towing cargo barges of lighters, moving ships inside the harbor area, rescue operations, towing of floating cranes and docks, etc. Accordingly, lifeguards, linear, many oceanic port and raid tugboats. The most important characteristics of tugboats are…
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Construction of anchor-mooring and mooring winches

Construction of anchor-mooring and mooring winches.The design of anchor-mooring and mooring winches anchor-mooring winches are installed instead of braille spiers on new floating cranes. An anchor winch makes it possible to eliminate manual labor when selecting a mooring line, to exclude the installation of a mooring line, the manual laying of the mooring rope and…
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Ship anchors ,the behavior of anchors on the ground

Ship anchors ,the behavior of anchors on the ground.Chapter  SHIPBOARD anchors  Behavior of anchors on the ground A modern ship’s anchor should form a group of requirements relating to the anchoring force of an anchor and its behavior on the ground. In accordance with this group of requirements, the anchor must have the greatest possible…
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The history of the development of anchors and their types

The history of the development of their type .The most ancient anchor can be considered a massive stone tied with a rope for which In the groove a groove that increased the reliability of the connection and protected the rope from rubbing. However, the holding force of such an anchor was equal only to its…
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Mechanisms and fittings providing marine internal combustion engines

Mechanisms and fittings providing marine internal combustion engines.Ship’s ice, being quite compact and small, most successfully amenable to aggregation, due to the fact that they can hang a variety of mechanisms and fittings.The mounted mechanisms are driven through a system of gears and drives from the engine crankshaft. The figure shows the scheme of the…
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Classification of pumps by purpose

Classification of pumps by purpose.A pump is a mechanism designed to move a fluid that converts the mechanical energy of an engine into the energy of a fluid flow moving through pipelines. The pump is the most common auxiliary mechanism on ships.With a wide variety of pumps construction on the vessels, their purpose remains constant-the…
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