Water mixing type exhaust gas recirculation system and engine with the same

A recirculation system and hybrid technology, which is applied in the direction of exhaust gas recirculation, engine components, combustion engines, etc., can solve the problems of high content of harmful components in engine exhaust, many soot particles, and insufficient utilization of residual calorific value of exhaust gas, etc. , to achieve the effect of improving emission cleanliness, reducing harmful components, and reducing emission particles

Inactive Publication Date: 2014-08-06
LONGKOU ZHONGYU THERMAL MANAGEMENT SYST SCIAND TECH
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Problems solved by technology

[0015] The purpose of the present invention is to provide a water-mixed exhaust gas recirculation system to solve the technical problems of high content of harmful components in the exhaust gas of existing engines, many soot particles, and insufficient utilization of the residual calorific value of the exhaust gas

Method used

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  • Water mixing type exhaust gas recirculation system and engine with the same
  • Water mixing type exhaust gas recirculation system and engine with the same
  • Water mixing type exhaust gas recirculation system and engine with the same

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Embodiment Construction

[0039] Such as figure 1 As shown, the present invention includes a water-gas mixing device 01, a heat exchanger 02, an exhaust pipe 03, an exhaust manifold 04 and a steam pipe 05;

[0040] Water-air mixing device 01 is used to fully mix high-calorific-value tail gas with liquid water, increase the air solubility of liquid water, and rapidly increase the preheating temperature of liquid water;

[0041] The heat exchanger 02 is used to heat the injected liquid water to the corresponding temperature and discharge the water vapor;

[0042] Exhaust gas exhaust pipe 03 is used for the main exhaust channel of high calorific value exhaust gas of the engine, and provides heat source for heat exchanger 02;

[0043] Exhaust manifold 04, used for the secondary exhaust channel of engine high calorific value exhaust, provides heat source and pressure for water-air mixing device 01;

[0044] The steam pipe 05 is used as a channel for delivering water vapor to the intake pipe 08 of the engi...

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Abstract

A water mixing type exhaust gas recirculation system comprises a water-gas mixing device, a heat exchanger, a steam conveying pipe and a tail gas divided manifold arranged on an engine tail gas exhaust pipe. The heat exchanger and the tail gas exhaust pipe carry out heat exchanging. The water-gas mixing device is provided with a first water outlet and a tail gas inlet. The heat exchanger is provided with a first water inlet and a first steam outlet. The tail gas divided manifold is connected with the tail gas inlet of the water-gas mixing device. The first water outlet of the water-gas mixing device is connected with the first water inlet of the heat exchanger through a pipeline. The first steam outlet of the heat exchanger is connected with a steam inlet of the steam conveying pipe. A steam outlet of the steam conveying pipe is connected with an engine gas inlet pipe. Part of tail gas is used for simplifying a complex pressurizing structure. Meanwhile, the liquid water cleanliness is not lowered obviously. The high thermal residual value of part of tail gas is fully used, so that steam accords with the conditions of following reactions. The invention further discloses a corresponding engine.

Description

[0001] The present invention is proposed by the applicant, the application date is March 19, 2013, the application number is 201310088710.X, and the priority of the application titled "water-mixed exhaust gas recirculation system and engine using the system" , the entire content of which application is hereby incorporated by reference in its entirety. technical field [0002] The invention relates to an exhaust emission reduction system, in particular to an exhaust emission reduction system for a diesel engine. Background technique [0003] The cycle working principle of the internal combustion engine is to make the combustible mixture formed by the mixture of clean air and atomized fuel burn and explode in the combustion chamber of the cylinder, push the piston to do work, and exhaust the exhaust gas. Using electronic processing technology and sensor technology for automatic control, it is possible to collect and adjust working parameters such as combustion chamber temperat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M25/035F01N5/02F02M26/36
CPCY02T10/12
Inventor 王兆宇邢子义
Owner LONGKOU ZHONGYU THERMAL MANAGEMENT SYST SCIAND TECH
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