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A biogas engine ignition control method

An ignition control and engine technology, applied in engine control, electric automatic control, electric engine control automatic control, etc., can solve the problems of high gas consumption, poor emission, user inconvenience, etc., and achieve significant comprehensive benefits, low construction costs, and distributed wide range of effects

Inactive Publication Date: 2019-05-31
LONGYAN UNIV
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Problems solved by technology

The biogas engine is the key equipment for biogas energy conversion in the field of biogas power generation technology. Domestic research on biogas engines began in the early 1980s. Some units have carried out research on the structural modification of biogas engines, mainly for biogas , The research on diesel dual-fuel engines still has a certain gap in technology compared with foreign countries, mainly reflected in the operation reliability problems of biogas engines such as insufficient power, high gas consumption, poor emission and difficult starting, which bring inconvenience to users. It is a technical bottleneck that restricts and affects the development process of biogas power generation industry

Method used

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  • A biogas engine ignition control method
  • A biogas engine ignition control method
  • A biogas engine ignition control method

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Embodiment Construction

[0017] The present invention will be further explained below:

[0018] The present invention includes the following steps:

[0019] (1) Gas injection control: To accurately provide biogas quality to the engine, use the speed-density method to determine the mathematical relationship as follows:

[0020]

[0021] In the above formula: m cyl The mass flow rate of air entering the cylinder per working cycle; η V Is the charging efficiency of the cylinder; V cyl Is the cylinder volume (m 3 ); n is the engine speed (r / min); p m Is the inlet pipe pressure (kPa); Tm is the inlet pipe temperature (K);

[0022] (2) Ignition control: The ignition advance angle is an important parameter that determines the performance of the engine. In order to accurately provide the ignition time in the work of the biogas engine, the combustion theory of internal combustion engines, combined with related theories, can obtain the ignition advance angle. Its mathematical relationship is as follows :

[0023]

[0...

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Abstract

The invention discloses a methane engine ignition control method. Compared with the prior art, under dual pressure of relieving energy and environmental crisis, the renewable low-pollution biomass energy is increasingly concerned by various countries in the world, wherein the methane energy becomes the priority developing emphasis in the energy construction due to wide distribution, low construction cost and prominent comprehensive benefits; meanwhile, the excellent development tendency is laid for research and development of methane engines; and the popularization and application value is achieved.

Description

Technical field [0001] The invention relates to an engine control method, in particular to a biogas engine ignition control method. Background technique [0002] Under the current severe global energy and environmental conditions, the use of high technology to convert renewable biomass energy into clean, high-quality gas and liquid fuels is used as an alternative energy source for fossil fuels and applied to power, transportation, etc. The attention of all countries. Biogas engines are used as the key equipment for biogas energy conversion in the field of biogas power generation technology. Domestic research on biogas engines began in the early 1980s. Some units have carried out research on the structural modification of biogas engines, mainly for biogas , The research of diesel dual-fuel engine still has a certain gap compared with foreign countries in technology, which is mainly reflected in the operational reliability problems of biogas engine such as insufficient power, high...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D19/02F02P5/15F02D43/00
CPCF02D19/023F02D41/0027F02D43/00F02D2250/18F02P5/045F02P5/15Y02T10/30
Inventor 陈庆协
Owner LONGYAN UNIV
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