Electricity-water cogeneration system using diesel generator coupled with multi-effect distillation

A technology for diesel generators and generators, applied in the directions of engine components, combustion engines, machines/engines, etc., can solve the problems affecting the working stability of seawater desalination plants, mismatching thermal energy requirements, water production capacity, and load regulation fluctuations. and other problems, to achieve the effect of reducing system operation and maintenance costs, equipment investment costs, and realizing load adaptability

Active Publication Date: 2017-01-25
GUANGZHOU INST OF ADVANCED TECH CHINESE ACAD OF SCI
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  • Application Information

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Problems solved by technology

[0006] As a waste heat multi-effect distillation seawater desalination system matched with a diesel generator set, the water production capacity and load regulation are greatly affected by the load fluctuation of the generator set, which may easily cause the thermal load of the cylinder liner cooling water of the diesel generator to be different from the thermal energy demand of the distilled seawater desalination. Matching, which in turn affects the working stability of seawater desalination device

Method used

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Embodiment 1

[0032] Embodiment 1 Electricity and water co-generation system with diesel generator coupled with multi-effect distillation

[0033] The electricity and water co-generation system includes, No. 1 diesel generator 1, a generator cylinder jacket water cooling system, and a seawater desalination system;

[0034] The generator cylinder liner water cooling system includes: No. 1 diesel generator cylinder liner 101, No. 1 temperature detection controller 104, No. 1 three-way flow regulating valve 106, cooling water radiator, No. 1 cooling water circulating pump 109; No. 1 diesel Generator cylinder liner 101, No. 1 temperature detection controller 104, No. 1 three-way flow regulating valve 106, cooling water radiator, and No. 1 cooling water circulating pump 109 are connected in series to form a loop; the cooling water radiator includes No. 1 diesel generator cooling The water tank 105 and the No. 1 cooling water heat exchanger 107, the No. 1 diesel generator cooling water tank 105 a...

Embodiment 2

[0049] Example 2 Electric-water co-generation system with multiple diesel generators coupled with multi-effect distillation

[0050] There are no less than two generators in the co-generation system of electricity and water, and a plurality of generators are connected in parallel to form a parallel diesel generator set, and the parallel diesel generator set is connected in series with the seawater desalination system.

[0051] see figure 2 , The parallel diesel generator set includes: N groups of diesel generators are: No. 1 diesel generator 1, No. 2 diesel generator 2...N No. diesel generator N; No. 1 diesel generator 1 is connected to the corresponding No. 1 diesel generator Temperature detection controller 104, three-way flow control valve 106, diesel generator cooling water tank 105, cooling water heat exchanger 107, normally open solenoid valve 108 and cooling water circulating pump 109; No. 2 diesel generator 2 is connected to the corresponding No. 2 Temperature detect...

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Abstract

The invention relates to an electricity-water cogeneration system using a diesel generator coupled with multi-effect distillation. The electricity-water cogeneration system comprises the diesel generator, a generator cylinder sleeve water cooling system and a sea water desalination. By respectively arranging load-discharge and energy-saving standby devices such as temperature detecting controllers, flow control valves and coolers at different positions in the generator cylinder sleeve water cooling system and the sea water desalination system, good adaptability of the sea water desalination system and the diesel generator is achieved under the overload or low load of the diesel generator, and stable operation of generating equipment and sea water desalination equipment is guaranteed.

Description

technical field [0001] The invention relates to the fields of energy and seawater desalination, in particular to an electricity-water co-production system in which a diesel generator is coupled with multi-effect distillation. Background technique [0002] In some islands, border posts, offshore operation platforms, and ocean-going fishing vessels that are far away from the mainland, because the mainland power grid cannot be covered, diesel generators are generally required to meet the power demand. For diesel engines, the energy conversion efficiency of fuel is very low, only about 40% is converted into mechanical work of the internal combustion engine, and the remaining 60% is waste heat. About 30% of the waste heat is taken away by the exhaust gas, about 25% of the waste heat is taken away by the cylinder liner cooling water, and other waste heat losses account for about 5%. This results in a waste of energy during normal operation of the diesel engine. [0003] In addit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/04F02B63/04F02G5/00C02F103/08
CPCC02F1/04C02F1/046C02F2103/08F02B63/04F02G5/00Y02A20/124Y02E20/14Y02T10/12
Inventor 张凤鸣冯东东苏闯建陈顺权沈博雅
Owner GUANGZHOU INST OF ADVANCED TECH CHINESE ACAD OF SCI
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