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System for recycling waste heat

A technology of waste heat recovery and waste heat medium, which is applied in the direction of machines/engines, mechanical equipment, etc., can solve the problem of incomplete utilization of energy, and achieve the effect of saving energy consumption

Inactive Publication Date: 2010-08-11
TIANJIN PORT (GROUP) COMPANY
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  • Description
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  • Application Information

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Problems solved by technology

[0003] For example, the existing main engine of a ship is generally a diesel engine, and the main engine of the ship will generate a large amount of high-temperature flue gas flow when it is working, and a large amount of unused heat energy will be taken away with the direct discharge of a large amount of high-temperature flue gas, which results in Incomplete utilization of energy when the main engine of the ship is working normally

Method used

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Embodiment Construction

[0008] The present invention will be further described below in conjunction with the drawings.

[0009] The waste heat recovery system of the present invention utilizes the thermal energy of the hot flue gas to be converted into the air pressure energy of the working medium (such as R134a), and the motor mechanical device converts the air pressure energy into mechanical energy, which is converted into electric energy for convenient use and storage through a generator.

[0010] The invention includes: pipeline 1, metering pump 2, waste heat medium 3, flue gas heat exchanger 4, motor mechanical device 5, reversing valve 6, cooling medium 7, condensing heat exchanger 8, accumulator 9, working medium 10 , One-way valve 11, cooling medium reversing valve 12 and cooling medium metering pump 13, metering pump, flue gas heat exchanger, motor mechanical device, condensing heat exchanger and accumulator are connected in sequence through pipelines, the flue gas exchange Both sides of the heat...

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Abstract

The invention discloses a system for recycling waste heat. The invention is realized by the following technical scheme that a metering pump, a fume heat exchanger, a mechanical device of a motor, a condensing heat exchanger and a reservoir are sequentially connected by pipelines, both sides of the fume heat exchanger are respectively provided with a waste heat medium input end and a waste heat medium output end, and the waste heat medium input end is provided with a waste heat medium reversing valve; both sides of the condensing heat exchanger are respectively provided with a cooling medium input end and a cooling medium output end, and the cooling medium input end is provided with a cooling medium reversing valve and a cooling medium metering pump; and a working medium is arranged in the reservoir. The invention utilizes the heat energy of the discharged waste heat and can save quite a good deal of energy consumption, thereby achieving the aim of energy saving.

Description

Technical field [0001] The invention relates to the field of waste heat resource reuse, in particular, to a new type of waste heat recovery and utilization system. Background technique [0002] Waste heat is energy that is not used in energy utilization equipment under certain economic and technical conditions, that is, excess and wasted energy. It includes waste heat from high-temperature exhaust gas, waste heat from cooling media, waste heat from waste steam and wastewater, waste heat from high-temperature products and slag, and waste heat from chemical reactions. According to the survey, the total waste heat resources of various industries account for about 17%-67% of their total fuel consumption, and the recoverable waste heat resources are about 60% of the total waste heat resources. [0003] For example, the main engine of the ship is generally a diesel engine, and the main engine of the ship will generate a large amount of high-temperature flue gas flow during operation, an...

Claims

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Application Information

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IPC IPC(8): F01K27/02F01D15/08
Inventor 赵彦虎周祖德董明望李勋张明江杜明高阳梅磊闫德顺崔亚欣熊军魁杨跃文周思亮
Owner TIANJIN PORT (GROUP) COMPANY