Oxygen and nitrogen use guaranteeing method and system for fleet

Abstract

The invention belongs to the technical field of ship guarantees and particularly relates to an oxygen and nitrogen use guaranteeing method and system for a fleet. The normal-temperature air separation technology is adopted for ships, such as a mother ship or a supply ship where space resources are not in shortage, and oxygen with the purity being 99.5% and nitrogen with the purity being 99.9997% are directly prepared from the air to be liquefied so as to be stored as guaranteeing gas sources. The oxygen and the nitrogen are delivered to the gas use points directly or after being vaporized for oxygen and nitrogen guaranteeing. The guaranteeing system comprises at least one normal-temperature air separation device, at least one oxygen liquefaction device, at least one nitrogen liquefaction device, at least one liquid oxygen storage device, at least one liquid nitrogen storage device, at least one liquid oxygen compression device and at least one liquid nitrogen compression device. According to the oxygen and nitrogen use guaranteeing method and system, the function that oxygen and nitrogen sources are obtained through a normal-temperature air separation method for ship system resources is integrated effectively, the guaranteeing system capable of meeting the requirements for various oxygen and nitrogen states and pressure systems is arranged reasonably, the guaranteeing manner such as the manner that only oxygen and nitrogen can be used in an existing ship is changed completely, and the defects existing in an existing fleet sailing guaranteeing system are overcome.

Description

technical field [0001] The invention belongs to the technical field of ship support, and in particular relates to a method and system for protecting oxygen and nitrogen used by fleets. Background technique [0002] At present, surface ships mainly rely on the guarantee method of producing oxygen and nitrogen by using cryogenic air separation technology in ports and bases, and then compressing and filling oxygen and nitrogen with superchargers, and then supplying them with oxygen / nitrogen cylinders. Underwater submarines Then basically rely on the guarantee method that the liquid oxygen produced by the cryogenic air separation technology in the port and the base is directly sent to the submarine liquid oxygen storage tank for replenishment. Obviously, the use of these traditional support methods is limited by the transportation and supply conditions of oxygen, nitrogen cylinders, and liquid oxygen storage tanks, which has brought a heavy logistical burden to the oxygen and ni...

AI Technical Summary

Problems solved by technology

This method can effectively overcome the shortcomings of the traditional support mode of oxygen and nitrogen (gas and liquid) that cannot be fully covered, and can save overall resources, reduce the burden of logistics support, and improve the maneuverability, survivability and combat effectiveness of ships. Submarines provide sufficient and sustainable oxygen and nitrogen supply guarantees, which meet the requirements of ocean-going naval construction in the new era

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