A compression ignition engine system using single methanol fuel and method of operating same

A combustion engine, methanol fuel technology, applied in the direction of combustion engine, internal combustion piston engine, charging system, etc., can solve the problems of unobvious economic benefits, unacceptable by customers, and large diesel engine transformation, and achieve low price, strong power, The effect of reducing fuel consumption

Active Publication Date: 2019-12-03
SHENZHEN REVELATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the economic benefits of the first category are not obvious due to the low replacement ratio; the second category is relatively difficult to modify the main body of the diesel engine, which is difficult for customers to accept; the third category has complex s

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  • A compression ignition engine system using single methanol fuel and method of operating same

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Embodiment Construction

[0031] This embodiment is a compression ignition engine system using single methanol fuel, which includes:

[0032] A compression ignition engine 1 comprising a cylinder assembly comprising a cylinder 2, a glow plug 6, an intake port 7, an exhaust port 19 and a fuel nozzle 3, the glow plug 6 being located inside the cylinder 2 , the cylinder 2 is connected to the intake port 7, the exhaust port 19 and the fuel nozzle 3;

[0033] Air supply system, which includes a supercharger 14 and an air intake pipe 9 connected in series in sequence, the air intake pipe 9 has a heating and mixing section 10 in the pipeline, and the outlet of the air intake pipe 9 is connected to the air inlet 7, so The heating and mixing section 10 is connected with a igniter nozzle 11;

[0034] The exhaust system includes an exhaust pipe 5 , the inlet of the exhaust pipe 5 is connected to the exhaust channel 19 , and the outlet of the exhaust pipe 5 is connected to the supercharger 14 .

[0035] There is...

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Abstract

The invention discloses a compression ignition engine system using single methanol fuel, comprising: a compression ignition engine (1) comprising a cylinder assembly comprising a cylinder (2), a glowplug (6), an intake passage (7), an exhaust passage (19) and a fuel nozzle (3); a gas supply system that comprises a supercharger (14) and a gas inlet pipe (9) which are sequentially connected in series, wherein a heating mixing section (10) is arranged in the middle of the gas inlet pipe (9), and the heating mixing section (10) is connected with an ignition agent nozzle (11); and an exhaust system that comprises an exhaust pipe (5), wherein an inlet of the exhaust pipe (5) is connected to the exhaust passage (19), and an outlet of the exhaust pipe (5) is connected to the supercharger (14). The mixed gas of methanol and air is used as the ignition agent, methanol is used as fuel, normal operation of the compression ignition type engine system is achieved, the whole combustion process is controllable and efficient, and application of single methanol fuel to a diesel engine is achieved.

Description

technical field [0001] The invention belongs to the technical field of internal combustion engines, and in particular relates to a compression ignition engine system using methanol-based fuel and an operating method thereof. Background technique [0002] Methanol has received widespread attention due to its low price and low emissions from combustion in engines, especially in China, which has an extensive methanol supply chain. At present, the application of methanol as fuel in gasoline engines has achieved success, but the application of methanol in diesel engines has not made a breakthrough. Since the cetane number of methanol is very low, only about 3, it cannot be compression-ignited when applied to diesel engines, and it is very difficult to apply it to compression-ignition diesel engines. Therefore, in order to apply methanol to diesel engines, the main research direction of researchers is dual-fuel combustion, that is, the application of methanol-based fuels to diese...

Claims

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Application Information

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IPC IPC(8): F02B9/02F02B9/04F02M26/05F02M26/13F02G5/02F02B37/00F02M31/04F02M31/08
CPCF02B9/02F02B9/04F02B37/00F02B2201/02F02G5/02F02M31/042F02M31/045F02M31/08F02M26/05F02M26/13Y02T10/12
Inventor 刘一凡贾昊霖
Owner SHENZHEN REVELATION TECH CO LTD
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