A control method and system for seawater cooling of diesel engine side exhaust
Through the diesel engine side exhaust seawater cooling control method, automatic control and local closed-loop interlocking technology are used to achieve efficient seawater cooling of the diesel engine side exhaust pipeline, solve the high temperature problem in the engine room, and ensure the normal operation and safety of the system. Safe operation.
Active Publication Date: 2020-04-14
HUDONG ZHONGHUA SHIPBUILDINGGROUP
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Problems solved by technology
Considering that there are many exhaust pipes on the side, the layout space in the engine room is extremely limited. After the surface of the exhaust pipe is coated with a certain heat insulating material, it is still a high-temperature heat source in the engine room, which often causes the working environment temperature in the engine room to greatly exceed the relevant regulations. , thereby affecting the normal operation of the equipment in the cabin and the operation of the staff
Method used
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Embodiment Construction
[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention is described below through specific embodiments shown in the accompanying drawings. It should be understood, however, that these descriptions are exemplary only and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.
[0029] combine figure 1To illustrate this embodiment, the diesel engine side exhaust seawater cooling control method of the present invention is used to cool the diesel engine side exhaust pipeline. The diesel engine side exhaust seawater cooling system of the present invention comprises a diesel engine controller 2, a side exhaust control box 3, a remote monitoring device 1 and a side exhaust system. The side exhaust system includes a side exhaust seawater ...
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The invention discloses a diesel engine side exhaust seawater cooling control method and system. The diesel engine side exhaust seawater cooling system comprises a diesel engine controller, a side exhaust control box, a remote monitoring device and a side exhaust system. The invention adopts an automatic control mode, which is easy to operate and has a high degree of automation. The diesel engine forms a starting interlock with the discharge valve and the side discharge valve in the side exhaust system, and the side exhaust seawater cooling pump is connected with the discharge valve and the side discharge valve. The discharge valve forms a local closed-loop interlock, which can accurately control the diesel engine and the side exhaust seawater cooling pump; and can automatically adjust the opening of the seawater flow control valve, so that the side exhaust pipe of the diesel engine under different loads Seawater cooling is carried out to keep the pipe surface temperature of the side exhaust system below 60°C, and the side exhaust pipe of the diesel engine is cooled by setting up a spare seawater cooling pipe, which can ensure the normal operation of the system.
Description
technical field [0001] The invention relates to the technical field of seawater cooling of diesel engine side exhaust, in particular to a control method and system for diesel engine side exhaust seawater cooling. Background technique [0002] The exhaust temperature of a diesel engine is generally around 550°C, and its exhaust pipeline is a high-temperature pipeline. Conventional diesel engine exhaust pipes are arranged in special chimney passages, and the surface of the pipes is insulated and cooled by coating high-temperature-resistant heat-insulating materials. The side exhaust method of the diesel engine is to arrange the side exhaust system pipeline inside the engine room, and discharge the exhaust gas of the diesel engine to the outside through the side short pipe. Considering that there are many exhaust pipes on the side, the layout space in the engine room is extremely limited. After the surface of the exhaust pipe is coated with a certain heat insulating material, ...
Claims
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IPC IPC(8): F01N3/04F01N9/00F01N11/00
CPCF01N3/043F01N9/00F01N11/002Y02T10/40
Owner HUDONG ZHONGHUA SHIPBUILDINGGROUP