Light hydrocarbon/diesel fuel reforming system and reforming method

Abstract

The invention discloses a light hydrocarbon / diesel fuel reforming system and a reforming method. The reforming system comprises a light hydrocarbon fuel supply device, a diesel supply device, a reforming reaction device and a gas mixer. The gas mixer is provided with a carrier gas inlet pipe and a water vapor gas inlet pipe, the light hydrocarbon fuel supply device is used for supplying atomized light hydrocarbon fuel, and the diesel supply device is used for supplying atomized diesel. The atomized light hydrocarbon fuel and diesel enter the gas mixer through a pipeline to form mixture gas with carrier gas and water vapor, the mixed gas enters the reforming reaction device for reforming reaction, and reforming gas generated in the reforming reaction device is sent into a combustion chamberof an engine gas cylinder to participate in combustion through the pipeline. The reforming reaction device is arranged in a tail gas exhaust pipe of the gas cylinder. According to the light hydrocarbon / diesel fuel reforming system and the reforming method, the reforming reaction device is directly heated by using the high temperature waste heat of engine tail gas as a heat source, the energy is saved, after the reforming of the diesel and light hydrocarbon, the combustion efficiency of the diesel is greatly improved, and engine knocking and the emission of nitrogen oxide are suppressed.

Description

technical field [0001] The invention belongs to the technical field of engines, and relates to a raw material supply technology for engines, in particular to a light hydrocarbon / diesel fuel reforming system and a reforming method. Background technique [0002] Under the dual effects of energy crisis and environmental protection, finding alternative energy sources and reducing pollutant emissions has become a hot topic in the field of internal combustion engine research. Although the economy of a pure diesel engine is much better than that of a gasoline engine, the waste of the diesel engine itself is also very serious. The incomplete combustion of diesel is not only a waste of energy, but also a threat to the environment. For natural gas engines, low temperature lean burn technology is often used to suppress knock and nitrogen oxide (NOx) emissions. However, an air-fuel ratio that is too high can lead to engine misfire and increased unburned hydrocarbon (HC) and carbon mono...

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a technical solution to the problem of waste of energy and resources caused by excessive exhaust temperature of diesel engine exhaust

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