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Ship diesel engine cooling system and method

A marine diesel engine and cooling system technology, applied in engine cooling, liquid cooling, mechanical equipment, etc., can solve problems such as inflexible adjustment

Active Publication Date: 2019-01-15
ANQING CSSC DIESEL ENGINE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the existing water temperature for cooling the diesel engine is fixed and cannot be adjusted flexibly

Method used

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  • Ship diesel engine cooling system and method

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Embodiment Construction

[0020] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0021] Such as figure 1 As shown, a marine diesel engine cooling system includes: a filter 1, a seawater pump 2, a low-temperature water expansion tank 9, a high-temperature water expansion tank 10, a low-temperature water system, and a high-temperature water system. Input connection of water system; low temperature water system includes low temperature sea water cooler 3, low temperature water temperature control valve 6, low temperature water pump 7, electric temperature control valve 11, intercooler low temperature stage, lubricating oil cooler; high temperature water system includes high temperature sea water ...

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Abstract

The invention discloses a ship diesel engine cooling system and method, and relates to the technical field of cooling water. In the system, a low temperature seawater cooler is connected with a high temperature seawater cooler, the low temperature seawater cooler is connected with input of a low temperature water pump, the low temperature water pump is connected with an electric heat control valve, the electric heat control valve is connected with a low temperature grade of an intercooler, the low temperature grade of the intercooler is connected with a lubricating oil cooler and the electricheat control valve, the electric heat control valve, is connected with the lubricating oil cooler, the electric heat control valve is connected with a low temperature heat control valve, and the low temperature heat control valve is connected with the low temperature seawater cooler; and the high temperature seawater cooler is connected with a high temperature water pump, the high temperature water pump is connected with a diesel engine, the diesel engine is connected with the high temperature grade of the intercooler, the high temperature grade of the intercooler is connected with a high temperature heat control valve, and the high temperature heat control valve is connected with the high temperature seawater cooler. The system and method have the advantages that the air inlet temperatureof the diesel engine can be monitored directly, the low temperature water flow into the intercooler can be controlled, and the air inlet temperature of the diesel engine is controlled accurately.

Description

technical field [0001] The invention relates to the technical field of cooling water, and more specifically relates to a marine diesel engine cooling system and method. Background technique [0002] The cooling water system is one of the important systems of the diesel engine. It takes away the excess heat of the diesel engine and protects the diesel engine from overheating and burning. At present, the diesel engine cooling water system is generally divided into a high-temperature cooling water system and a low-temperature cooling water system to achieve different temperature control of different components. The low-temperature water is mainly used to cool the intercooler and lubricating oil cooler. The temperature control method is a fixed water temperature type, which is controlled by adjusting the opening of the temperature valve. Because the water temperature is fixed in this cooling method, it cannot be adjusted flexibly. Therefore, in the case of changing working cond...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01P3/20F01P5/10F01P11/08F02B29/04
CPCF01P3/20F01P5/10F01P11/08F01P2050/02F02B29/0443Y02T10/12
Inventor 孙显
Owner ANQING CSSC DIESEL ENGINE
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