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Absorption type ice making machine using marine vehicle diesel residual heat

A technology for marine diesel engines and diesel engines, which is applied in the directions of ice making, ice making, and application, can solve the problems of increased operating costs, large ice demand, waste of energy, etc., and achieves the effect of reducing ice making costs and improving energy utilization.

Inactive Publication Date: 2008-11-12
DALIAN MARITIME UNIVERSITY
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  • Abstract
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Problems solved by technology

[0002] We know that at present, the fish tanks of fishing boats generally need to carry ice cubes for refrigeration, and the demand for ice is very large, which increases the operating cost; in addition, the smoke exhaust system of fishing boats directly discharges the smoke into the atmosphere, which not only pollutes the air to a certain extent, but also wastes energy

Method used

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  • Absorption type ice making machine using marine vehicle diesel residual heat

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Embodiment Construction

[0009] Referring to the accompanying drawings, the present invention uses the exhaust gas of a marine diesel engine as a driving heat source and uses TFE / NMP as a pair of working fluids for an ice maker. It is mainly composed of a diesel engine exhaust converter 1, a flue gas regenerator 2, an absorber 3, an evaporator with an ice maker 4, and a condenser 5. The flue gas regenerator 2 is connected to the absorber 3 and the condenser 5 respectively, the absorber 3 is connected to the evaporator 4 with an ice maker, and the diesel engine smoke exhaust converter 1 is connected to the marine diesel engine chimney or exhaust pipe, The trifluoroethanol / N-methylpyrrolidone working medium pair is used, which has low working pressure, high COP value and good thermochemical stability. Seawater is used as the ice source, and the internal ice maker is in a spiral motion. While making ice, the binary ice is sent out of the fish cabin.

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Abstract

The invention relates to an absorption type ice-making machine by adopting the afterheat of vessel diesel engines as a driving heat source, which essentially consists of a diesel-engine smoke venting converter, a smoke-gas type regenerator, an absorber, an evaporator accompanied by an ice-maker and a condenser. The smoke-gas type regenerator is respectively connected with the absorber and the condenser; the absorber is connected with the evaporator accompanied by the ice-maker; the diesel-engine smoke venting converter is connected with the chimney of a vessel diesel engine or a smoke venting pipe. The pumped sea water is made into binary ice through the evaporator accompanied by the ice-maker and by utilizing the cold generated by the evaporation of the refrigerant. The absorption type ice-making machine has the advantages of smaller size of the absorber, higher efficiency of heat and mass transfer, energy saving and reducing the production cost of ice-making by adopting sea water as ice-making raw material.

Description

technical field [0001] The ice maker involved in the present invention refers to an absorption ice maker that utilizes the waste heat of marine diesel engines, uses trifluoroethanol / N-methylpyrrolidone as a working fluid pair, and uses flue gas as a driving heat source. Background technique [0002] We know that at present, the fish tanks of fishing boats generally need to carry ice cubes for refrigeration, and the demand for ice is very large, which increases the operating cost; in addition, the smoke exhaust system of fishing boats directly discharges the smoke into the atmosphere, which not only pollutes the air to a certain extent, but also wastes energy. Contents of the invention [0003] The object of the present invention is to propose an absorption ice maker utilizing the waste heat of a ship's diesel engine, which realizes the reuse of energy, and the selection of the working fluid pair also meets the working requirements of general fishing boats. [0004] The te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25C1/00F25B15/00F25B27/00
CPCY02B30/62Y02A30/27Y02P60/85
Inventor 高洪涛
Owner DALIAN MARITIME UNIVERSITY
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