What is the primary function of reboilers on the ship?

The primary function of reboilers on a ship is indeed focused on hotel services, which pertains to the production of steam for heating and domestic hot water needs for the crew and while underway. Reboilers work by transferring heat from a hot fluid, typically a steam system, to a colder liquid in order to generate steam or hot water.

By utilizing waste heat from the propulsion plant, reboilers ensure that the ship can maintain a comfortable living environment for the crew, as well as provide necessary amenities. This capability is essential for long-duration deployments where maintaining crew welfare is crucial. It allows for efficient use of onboard resources while enhancing the quality of life during the operation of the vessel.

Other functions, such as power generation, cooling the reactor, and waste management, while important in their own right, do not directly align with the specific purpose of reboilers, which is predominantly linked to providing services that maintain comfort and functionality for the personnel aboard the ship.