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A diesel engine cooling water circulation device

A technology of cooling water circulation and diesel engine, applied in the direction of engine cooling, mechanical equipment, engine components, etc., can solve the problems of tube fouling, reduce heat exchange efficiency, etc., and achieve a high degree of automation, promotion of waste heat utilization, and short processing time. Effect

Active Publication Date: 2022-02-01
ANQING CSSC DIESEL ENGINE
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a diesel engine cooling water circulation device, which solves the problem that the pipes used in the cooling water system of the traditional diesel engine ORC generator set are prone to fouling, resulting in reduced heat exchange efficiency

Method used

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  • A diesel engine cooling water circulation device

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Embodiment Construction

[0018] The application will be described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific embodiments are only used to further illustrate the application, and cannot be interpreted as limiting the protection scope of the application. The above application content makes some non-essential improvements and adjustments to this application.

[0019] like figure 1 As shown, a diesel engine cooling water circulation device includes a cooling water pool 1, and some pipe sections pass through the circulation pipeline in the ORC generator set 2. The input and output ends of the circulation pipeline are connected to the cooling water pool 1, and the circulation pipeline is provided with The cooler 3 and the frequency conversion pump 4, the circulation pipeline is composed of the water inlet pipeline 5 and the water outlet pipeline 6, the water inlet pipeline 5 is provided with the water inlet three-way valve ...

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Abstract

The invention discloses a cooling water circulation device for a diesel engine, which comprises a cooling water pool and a circulation pipeline. The circulation pipeline is provided with a cooler and a frequency conversion pump. The circulation pipeline is composed of a water inlet pipeline and a water outlet pipeline. Through valve, there is a water outlet three-way valve on the outlet pipeline, the circulation device also includes a pipeline wall thickness measuring instrument and a descaling agent pool, the pipeline wall thickness measuring instrument is set on the circulation pipeline, and the descaling agent pool provides descaling agent The delivery pipeline is communicated with the water inlet three-way valve, and the descaling agent pool is provided with a descaling agent return pipeline connected with the water outlet three-way valve; the circulation device also includes a controller. The invention can monitor the scaling situation of the pipeline in real time, and automatically circulate the descaling agent in the pipeline when there is a lot of scaling on the inner wall of the pipeline, quickly remove the dirt in the pipeline, and automatically restore the normal cooling water circulation after the cleaning is completed, and the processing time is short. The high degree of automation can significantly promote the utilization of waste heat of ORC generator sets.

Description

technical field [0001] The invention relates to the technical field of marine diesel engines, in particular to a cooling water circulation device for diesel engines. Background technique [0002] my country's marine low-speed diesel engine waste heat utilization technology started late, and there is still a big gap with foreign ship main engine production companies and waste heat utilization system related companies in terms of key technology breakthroughs and supporting products. At present, energy conservation and emission reduction have become the wind vane of the development of the shipbuilding industry. How to reduce energy consumption, reduce emissions, and meet the EEDI requirements of IMO has always been one of the hot spots in the study of the shipbuilding industry. As the main power of the ship, the thermal efficiency of the diesel engine is close to 50%, but 50% of the energy is still taken away by the exhaust gas and cooling medium. If this part of waste heat ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01P11/06F01P11/14
CPCF01P11/06F01P11/14F01P2011/068
Inventor 陈涛
Owner ANQING CSSC DIESEL ENGINE
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