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Cooling liquid preheating and waste heat recovery device and vehicle

A waste heat recovery device and waste heat recovery technology, applied in vehicle parts, mufflers, liquid cooling, etc., can solve problems such as air pollution and inability to purify engine exhaust, reduce emissions, shorten light-off time, and shorten warm-up time Effect

Active Publication Date: 2020-10-13
CHINA FIRST AUTOMOBILE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The light-off temperature of the three-way catalytic converter is 250°C. Before the three-way catalytic converter reaches the light-off temperature, the engine exhaust gas cannot be purified, and a large amount of exhaust pollutants are directly discharged into the atmosphere, which will cause serious air pollution.

Method used

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  • Cooling liquid preheating and waste heat recovery device and vehicle
  • Cooling liquid preheating and waste heat recovery device and vehicle
  • Cooling liquid preheating and waste heat recovery device and vehicle

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Embodiment Construction

[0039] The present invention will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for ease of description, the drawings only show part of the structure related to the present invention, but not all of the structure.

[0040] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be interpreted broadly. For example, they may be fixedly connected, detachably connected, or integrated. ; It can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components or the interaction relationship between two components. For those of ord...

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Abstract

The invention relates to the technical field of vehicles, and discloses a cooling liquid preheating and waste heat recovery device and a vehicle. The cooling liquid preheating and waste heat recoverydevice comprises a first pipeline, a second pipeline, a connecting pipeline, a heating pipeline and a first waste heat recovery pipeline, wherein an engine water jacket is arranged on the first pipeline; cooling liquid in the engine water jacket is used for cooling an engine; an exhaust pipe water jacket is arranged on the second pipeline; the cooling liquid in the exhaust pipe water jacket is used for cooling an exhaust pipe; the connecting pipeline is used for connecting one end of the first pipeline and one end of the second pipeline; the heating pipeline is connected to the other end of the first pipeline and the other end of the second pipeline; the heating pipeline is capable of selectively heating the cooling liquid in the heating pipeline; the first waste heat recovery pipeline respectively communicates with the connecting pipeline and the heating pipeline; a first heat exchanger is arranged on the first waste heat recovery pipeline; and the first heat exchanger is connected toan automobile heating system.

Description

Technical field [0001] The present invention relates to the technical field of vehicles, in particular to a cooling liquid preheating and waste heat recovery device and a vehicle. Background technique [0002] At present, fuel saving has become the development trend of automobiles. In the field of traditional fuel vehicles, in order to improve the thermal efficiency of the engine, the compression ratio of the engine has been continuously improved, and the supercharging technology has become the mainstream. However, 1 / 3 of the energy generated by engine combustion is discharged through exhaust gas, and 1 / 3 is lost through coolant. [0003] The engine will go through a period of warm-up during the cold start phase. The fuel burns in the engine cylinder to generate heat, and the heat is transferred to the coolant through the cylinder and the walls of the combustion chamber. It usually takes about 10 minutes for the temperature of the coolant to rise from the ambient temperature to 9...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02N19/10F01P3/20F01P3/02F01P7/16F01N3/20F01P5/10F01N3/04F01N3/02F01N5/02B60H1/06
CPCF02N19/10F01P3/20F01P3/02F01P7/165F01N3/2006F01P5/10F01P7/162F01N3/043F01N3/0205F01N5/02B60H1/06F01P2007/146Y02A50/20Y02T10/12
Inventor 宋志平段加全李显张连方钱丁超宫艳峰
Owner CHINA FIRST AUTOMOBILE
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