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A waste heat recovery system and recovery method of ship incinerator and power plant

A technology of waste heat recovery system and power plant, which is applied to combustion methods, engines combined with propulsion devices, incinerators, etc., can solve the problems of small garbage disposal, unused high-temperature flue gas, and too much energy on board, etc. To achieve the effect of simplifying environmental protection equipment, reducing investment costs and reducing heat island effect

Active Publication Date: 2015-12-02
SOUTH CHINA UNIV OF TECH
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  • Description
  • Claims
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Problems solved by technology

However, due to the fact that the amount of garbage processed by the actual ship garbage incinerator is not large, and there are many energy sources on board, the high-temperature flue gas generated by the ship garbage incinerator has not been utilized

Method used

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  • A waste heat recovery system and recovery method of ship incinerator and power plant

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Embodiment

[0029] Such as figure 1 As shown, the waste heat recovery system of the marine incinerator and power plant of the present invention includes a waste heat boiler 1, an economizer 2, an evaporator 3, a superheater 4, an exhaust turbocharger 5, a total hot flue 6, and a ship waste incineration system. Furnace 7, diesel power unit 8, steam heating equipment 9, turbo generator 10, condenser 11, condensate pump 12, hot well 13, boiler feed water pump 14, primary preheater 15, secondary preheater 16, Circulating water pump 17, steam drum 18, air preheater 19;

[0030] The economizer 2, evaporator 3 and superheater 4 are installed in the waste heat boiler 1; the hot well 13 is sequentially connected to the first inlet of the boiler feed water pump 14, the primary preheater 15, the secondary preheater 16, and the steam drum 18 , the first outlet of the steam drum 18, the circulating water pump 17, the economizer 2, the evaporator 3, the second inlet of the steam drum 18, the second ou...

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Abstract

The invention discloses a waste heat recovery system and method for a marine incinerator and a marine power device, belongs to the field of waste heat recovery and solves the problem of how to better recover heat energy of marine equipment. The waste heat recovery system is characterized in that a hot well is sequentially connected with a boiler water feed pump, a secondary preheater, a first steam drum inlet, a first steam drum outlet, a circulating water pump, an economizer, an evaporator, a second steam drum inlet and a second steam drum outlet. The waste heat recovery system is separated into two paths at the second steam drum outlet, wherein one path is sequentially connected with an overheater, a steamer generator, a condenser and a condensate pump and then returns to the hot well to form a closed loop, the other path returns to the hot well after passing through a steam heater. Exhaust gas of a marine waste incinerator and a diesel power device is aerated into a waste heat boiler. Waste heat boiler exhaust gas is aerated into an air preheater. The waste heat recovery system is mainly used for waste heat of the exhaust gas of the incinerator and the power device, diesel cost is saved, and economy and environmentally friendliness of the marine power device are improved.

Description

technical field [0001] The invention relates to a system for comprehensive utilization of waste heat for ships, in particular to a waste heat recovery system and recovery method for ship incinerators and power devices. Background technique [0002] For ships using diesel engines as main propulsion power plants, the exhaust gas of the main diesel engine and the cylinder jacket cooling water for cooling the main and auxiliary engines contain heat that can be further utilized, and these heats are an important part of the ship's waste heat. At present, the most researches on the utilization of waste heat in ships are mainly the utilization of waste heat in diesel power plants. There are roughly two uses of waste heat from diesel power plants on board: one is for heating, such as hot water for the crew’s living needs, ocean-going ships distill seawater to produce fresh water, cabin heating in cold seasons, and oil heating and insulation The other is used to generate power, usual...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23G5/46F02G5/02B63H21/20
CPCY02E20/12Y02T10/166Y02T70/5281Y02T10/12Y02T70/50
Inventor 马晓茜曾广博谢明超吴婕
Owner SOUTH CHINA UNIV OF TECH
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