Heat supply method and system based on oil-water classification type ship exhaust gas residual heat

A ship exhaust and heating system technology, which is applied in hull ventilation/heating/cooling, ship parts, ship construction, etc., can solve problems such as energy waste, and achieve the effect of ensuring all-weather heating

Inactive Publication Date: 2018-12-04
WUHAN UNIV OF TECH
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  • Application Information

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Problems solved by technology

How to make full use of the waste heat in the ship's exhaust and use the waste heat to heat the ship's heating system. There is no relevant mature technology in the existing technology, which has caused a huge waste of energy. It is especially prominent in

Method used

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  • Heat supply method and system based on oil-water classification type ship exhaust gas residual heat
  • Heat supply method and system based on oil-water classification type ship exhaust gas residual heat
  • Heat supply method and system based on oil-water classification type ship exhaust gas residual heat

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Example Embodiment

[0027] The following takes heating water as the heating medium as an example, in conjunction with the drawings and further detailed description of the present invention:

[0028] The invention provides an oil-water grading-based ship tail gas waste heat heating method, which includes a ship tail gas waste heat collection system, a temperature control system, an oil-water heat exchange system and a ship heating system. The ship tail gas waste heat collection system adopts a heat supply medium as heat conduction Oil, the heat transfer medium used in the ship heating system is heating water. It should be pointed out that this is only a better heat transfer medium, and the heat transfer medium can also be replaced with other fluid heat transfer media; the method includes the following steps:

[0029] Step 1. The ship exhaust waste heat collection system absorbs the ship exhaust waste heat and heats the heat transfer oil, and the obtained high temperature heat transfer oil is transported...

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Abstract

The invention discloses a heat supply method and system based on oil-water classification type ship exhaust gas residual heat. The system comprises a ship exhaust gas heat-collecting system, a temperature control system, an oil-water heat exchange system and a ship heat supply system. The ship exhaust gas heat-collecting system comprises a ship exhaust gas residual heat heat-collecting device, andthe heat transfer medium is heat conducting oil. The temperature control system comprises an electric auxiliary heater and a temperature regulator, the oil-water heat exchange system is between the heat conducting oil and heat supply water, and the heat transfer medium of the ship heat supply system is the heat supply water. The heat supply method adopts a separate dual-loop system of heat collecting and heat supply, the heat conducting oil circulates and absorbs the residual heat of the ship exhaust gas in the ship exhaust gas residual heat heat-collecting device and exchanges heat energy with the heat supply water in the oil-water heat exchange system to complete the heat supply task in the ship heat supply system, and the advantages of low heat loss and high stability are achieved.

Description

technical field [0001] The invention relates to a heating technology for utilizing waste heat of ship tail gas, in particular to a heating method and system based on oil-water classification type ship tail gas waste heat. Background technique [0002] Ships are the main means of transportation for trade between countries and play a very important role in the development of the global economy. According to statistics, more than 90% of the world's import and export commodities are transported by ships. The main propulsion power of conventional commercial transport ships is mainly low-speed diesel engines. Recently, only 50% of the heat generated by the combustion of high-performance low-speed diesel main engines is used for shafting propulsion; the remaining 50% of the heat is taken away by lubricating oil, cylinder jacket water and exhaust gas, among which cylinder jacket water accounts for 5.2%, exhaust gas accounted for as high as 25.5%. How to make full use of the waste...

Claims

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Application Information

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IPC IPC(8): B63J2/12
Inventor 黎庶李志恒白丹辉蔡乐胡钺李昊一刘邓华
Owner WUHAN UNIV OF TECH
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