Diesel and natural gas dual-fuel power generation system

A power generation system and natural gas technology, applied in the charging system, combustion engine, internal combustion piston engine, etc., can solve the problems of insufficient gas supply to the generator, affecting the performance of the generator, and the slow gasification speed of LNG, so as to achieve guaranteed performance, gas The effect of fast melting speed and sufficient and stable gas supply

Active Publication Date: 2019-05-28
PAXOCEAN ENG ZHOUSHAN CO LTD
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AI Technical Summary

Problems solved by technology

However, in many cases, the gasification speed of LNG is slow, which may easily cause insufficient gas supply to the generator and affect the performance of the generator.

Method used

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  • Diesel and natural gas dual-fuel power generation system
  • Diesel and natural gas dual-fuel power generation system

Examples

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Embodiment

[0017] Example: A diesel and natural gas dual-fuel power generation system (see attached figure 1 , Attached figure 2 ), including dual-material generator 1, diesel tank 2, natural gas storage tank 3, natural gas regasification device 4, volatile gas compressor 5, buffer tank 6, boiler 7, condenser 8, communication between diesel tank and dual-material generator Diesel delivery pipe 9, a liquid natural gas storage tank 10 is installed in the natural gas storage compartment, a gasification chamber 11 and a heating chamber 12 are provided in the natural gas regasification device, and the heating chamber heats the gasification chamber, and the natural gas regasification device is provided The liquefied natural gas inlet 13 and the gaseous natural gas outlet 14 are connected to the gasification chamber. The natural gas regasification device is provided with a steam inlet 15 and a steam outlet 16 communicating with the heating chamber. A volatilized gas delivery pipe 17 is connected...

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Abstract

The invention discloses a diesel and natural gas dual-fuel power generation system, and aims to overcome the defect that insufficient gas supply to marine power generators is caused easily by the lowLNG gasification speed. The system comprises a dual-fuel power generator, a diesel cabin, a natural gas storage cabin, a natural gas regasification device, a volatile gas compressor, a buffer tank, aboiler and a condenser; natural gas volatilized by the natural gas storage cabin is stored in the buffer tank to be used as fuel for the dual-fuel power generator; when the volatile gas is insufficient, LNG inside an LNG storage tank is gasified into the gas state by the natural gas regasification device and is sent into the buffer tank for supplementation; when the volatile gas is excessive, onepart is sent into the volatile gas compressor to be compressed into the LNG to be recovered into the LNG storage tank, and the other part is sent into the boiler to be used as the fuel. The volatile natural gas is sufficiently utilized, and the energy saving and environmental protection effects are realized. The LNG gasification speed is high, the gas supply to the marine power generators is sufficient and stable, and the performance of the power generators is guaranteed.

Description

Technical field [0001] The invention relates to generator technology, and more specifically, it relates to a diesel and natural gas dual-fuel power generation system. Background technique [0002] The marine dual-fuel generator set diesel engine can realize the mixed use of natural gas and diesel, that is, it can operate in diesel-natural gas dual fuel mode or in pure fuel mode. Marine natural gas fuel is generally stored as liquid natural gas (LNG), which is gasified into gaseous natural gas for use by generators. As a clean and efficient energy source, LNG is increasingly popular, and more and more ship owners choose LNG as the power fuel for ships. However, in many cases, the LNG gasification rate is slow, which may cause insufficient gas supply to the generator and affect the performance of the generator. Summary of the invention [0003] The invention overcomes the phenomenon that the LNG gasification speed is slow, which is easy to cause insufficient gas supply to the mari...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M21/02F02M21/06F02B69/04
CPCY02T10/30
Inventor 高新建姜华周忠会方敏刚林森
Owner PAXOCEAN ENG ZHOUSHAN CO LTD
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