CN221628268U

CN221628268U - With intercoolers is a marine engine assembly

Info

Publication number: CN221628268U
Application number: CN202420320183.4U
Authority: CN
Inventors: 蔡芳任; 付笑
Original assignee: Shanghai Mingyang Marine Engineering Co ltd
Current assignee: Shanghai Mingyang Marine Engineering Co ltd
Priority date: 2024-02-21
Filing date: 2024-02-21
Publication date: 2024-08-30
Anticipated expiration: 2034-02-21

Abstract

The utility model discloses a marine engine assembly with an intercooler, and relates to the technical field of marine engines. The marine engine assembly with the intercooler comprises an internal combustion engine, an air inlet pipe connected with an air cylinder inlet valve of the internal combustion engine and an exhaust pipe connected with an air cylinder exhaust valve of the internal combustion engine; the air inlet pipe is connected with one end of the air inlet main pipe, and the intercooler is connected between the other end of the air inlet main pipe and the high-pressure air pipe. According to the marine engine assembly with the intercooler, the high-temperature and high-pressure gas treated by the turbocharger is dispersed and contacted with air or water to perform rapid cooling, so that the gas entering the cylinder is the ground temperature and high-pressure gas, and the full combustion of fuel can be ensured.

Description

With intercoolers is a marine engine assembly

Technical Field

The utility model relates to the technical field of marine engines, in particular to a marine engine assembly with an intercooler.

Background

An engine is a machine that is capable of converting other forms of energy into mechanical energy, and is suitable for use with both power generation devices and with the entire machine including the power device.

Marine engines are the source of power for ships, and have been the primary power for domestic ships, small and medium-sized ships and conventional submarines.

In order to ensure the air inflow of air, the turbocharger engine is widely applied to ships, namely, the turbocharger is a control device which drives a pump impeller in a shell to rotate by utilizing pressure so as to drive a turbine impeller of an air inlet plenum chamber to press the air into a cylinder, thereby improving the output power of the engine. As the temperature of the air compressed by the turbocharger can be increased, the air is thinner, the air is required to be cooled by the intercooler, the temperature of the air is reduced, the air concentration is higher, the air quantity entering the cylinder is larger, and the fuel oil achieves the effect of full combustion.

The prior intercoolers mostly adopt an air cooling mode, the cooling effect can not reach the purpose on a high-power engine of a ship, the engine application scene of the ship has natural advantages, and the heat conduction effect of some prior intercoolers is poor.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a marine engine assembly with an intercooler, which solves the problems of the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: a marine engine assembly with an intercooler includes an internal combustion engine, an intake pipe connected with an intake valve of a cylinder of the internal combustion engine, and an exhaust pipe connected with an exhaust valve of the cylinder of the internal combustion engine;

The air inlet pipe is connected to one end of the air inlet main pipe, and the intercooler is connected between the other end of the air inlet main pipe and the high-pressure air pipe;

The intercooler comprises an outer frame and unit radiating pipes which are equidistantly arranged in the outer frame, and the unit radiating pipes are communicated with the air inlet main pipe and the high-pressure air pipe.

Preferably, a fixing plate is arranged on the upper surface of the outer frame, and a connecting hole for the bolt to pass through is formed in the fixing plate.

Preferably, the two ends of the outer frame are hollow, air collecting chambers are formed in the hollow parts of the two ends of the outer frame, the two ends of the unit radiating pipes are communicated with the air collecting chambers on the two sides, and the air collecting chambers are communicated with the air inlet main pipe and the high-pressure air pipe.

Preferably, the outer side wall of the gas collection chamber is provided with a connecting screw hole, and the outer surfaces of the end parts of the gas inlet main pipe and the high-pressure gas pipe are connected with the connecting screw hole through external threads.

Preferably, the unit radiating tube comprises an air duct body, an air flow passage for air circulation is formed in the cavity of the air duct body, and radiating fins are arranged on the outer wall of the air duct body.

Preferably, the air duct body and the radiating fins are made of aluminum materials or copper materials.

(III) beneficial effects

The utility model provides a marine engine assembly with an intercooler, which has at least the following beneficial effects compared with the prior art:

(1) According to the marine engine assembly with the intercooler, high-temperature and high-pressure gas processed by the turbocharger is dispersed and contacted with air or water to perform rapid cooling, so that the gas entering the cylinder is ground temperature and high-pressure gas.

(2) The marine engine assembly with the intercooler adopts the turbine to increase, and cools the pressurized air, so that the marine engine can ensure the full combustion of fuel oil when in use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the intercooler of the present utility model;

FIG. 3 is a schematic diagram of the structure of the air duct, the air flow channel and the heat dissipation fins of the present utility model.

In the figure: 1. a cylinder; 2. a turbocharger; 3. an intercooler; 31. an outer frame; 32. a plenum chamber; 33. a fixing plate; 34. a connecting screw hole; 35. an airway body; 36. an air flow passage; 37. a heat radiation fin; 4. a high pressure gas pipe; 5. an air inlet main pipe; 6. an air inlet pipe; 7. and an exhaust pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: a marine engine assembly with an intercooler comprises an internal combustion engine, an air inlet pipe 6 connected with an air inlet valve of a cylinder 1 of the internal combustion engine and an exhaust pipe 7 connected with an air outlet valve of the cylinder 1 of the internal combustion engine;

The device comprises a turbocharger 2, an intercooler 3 positioned in water, and a compressed air outlet of the turbocharger 2 is connected with an exhaust gas inlet of the turbocharger 2 at one end of an exhaust pipe 7 far away from a cylinder 1, the compressed air inlet of the turbocharger 2 is connected with the exhaust gas inlet of the turbocharger through a high-pressure air pipe 4, an air inlet pipe 6 is connected with one end of an air inlet main pipe 5, and the intercooler 3 is connected between the other end of the air inlet main pipe 5 and the high-pressure air pipe 4;

The intercooler 3 comprises an outer frame 31 and unit radiating pipes which are equidistantly arranged in the outer frame 31, and the unit radiating pipes are communicated with the air inlet main pipe 5 and the high-pressure air pipe 4.

For the analysis, when the internal combustion engine works, air is sucked through an air inlet valve on the air cylinder 1, air is discharged through an air outlet valve, exhaust gas enters the turbocharger 2, the turbine inside the turbocharger 2 is driven to rotate, the turbine drives external air to supply 1, the turbocharger 2 enables air to be compressed into the high-pressure air pipe 4, the temperature of the air in the high-pressure air pipe 4 is higher, the high-temperature high-pressure air is cooled through the intercooler 3, finally, the air enters the air inlet valve along with the air inlet main pipe 5 and the air inlet pipe 6 and enters the air cylinder 1, and the air inlet pipe 6 and the air outlet pipe 7 are matched with the air cylinder 1 because a plurality of air cylinders 1 are usually arranged.

As shown in fig. 1 and 2, the present utility model provides an embodiment, wherein a fixing plate 33 is disposed on the upper surface of the outer frame 31, and a connection hole for passing a bolt is formed on the fixing plate 33. The fixing plate 33 is used for fixing the outer frame 31, the fixing plate 33 is connected with the ship body through connecting bolts in the fixing plate 33, and when wind power is enough to cool down, the intercooler 3 can be installed on the ship body, so that the intercooler 3 is prevented from generating larger resistance under water.

As shown in fig. 1 and 2, the present utility model provides an embodiment, two ends of the outer frame 31 are hollow, air collecting chambers 32 are formed in the hollow parts of the two ends of the outer frame 31, two ends of the unit radiating pipes are communicated with the air collecting chambers 32 on two sides, and the air collecting chambers 32 are communicated with the air inlet main pipe 5 and the high-pressure air pipe 4.

The high-temperature and high-pressure air in the high-pressure air pipe 4 is dispersed into a plurality of small branches, and then the air flow is separated through each unit radiating pipe, so that each unit radiating pipe can be fully contacted with air or water for heat exchange.

As shown in fig. 1 and 2, the present utility model provides an embodiment, the outer side wall of the gas collection chamber 32 is provided with a connecting screw hole 34, and the outer surfaces of the end parts of the gas inlet main pipe 5 and the high-pressure gas pipe 4 are connected with the connecting screw hole 34 through external threads. The mode of the matched connection of the connecting screw holes 34 is adopted, so that the disassembly and the installation are convenient.

As shown in fig. 1-3, the present utility model provides an embodiment, the unit radiating pipe includes an air duct body 35, an air channel 36 for air circulation is formed in an inner cavity of the air duct body 35, and radiating fins 37 are disposed on an outer wall of the air duct body 35. The air duct body 35 and the radiating fins 37 are made of aluminum or copper. The heat radiating fins 37 can increase the surface area of the air duct body 35 contacted with air or water, and have good heat conducting effect. The aluminum material or the copper material has better heat conduction effect.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Marine engine assembly with intercooler, comprising an internal combustion engine, an intake pipe (6) connected to the intake valve of the cylinder (1) of the internal combustion engine and an exhaust pipe (7) connected to the exhaust valve of the cylinder (1) of the internal combustion engine, characterized in that:

The device comprises a turbocharger (2) and an intercooler (3) positioned in water, wherein one end of an exhaust pipe (7) far away from a cylinder (1) is connected with an exhaust gas inlet of the turbocharger (2), a compressed air outlet of the turbocharger (2) is connected through a high-pressure air pipe (4), an air inlet pipe (6) is connected to one end of an air inlet main pipe (5), and the intercooler (3) is connected between the other end of the air inlet main pipe (5) and the high-pressure air pipe (4);

The intercooler (3) comprises an outer frame (31) and unit radiating pipes which are equidistantly arranged in the outer frame (31), and the unit radiating pipes are communicated with the air inlet main pipe (5) and the high-pressure air pipe (4).

2. A marine engine assembly with an intercooler as claimed in claim 1, wherein: the upper surface of outer frame (31) is provided with fixed plate (33), set up the connecting hole that is used for the bolt to pass on fixed plate (33).

3. A marine engine assembly with an intercooler as claimed in claim 1, wherein: the two ends of the outer frame (31) are hollow, air collecting chambers (32) are formed in the hollow parts of the two ends of the outer frame (31), the two ends of the unit radiating pipes are communicated with the air collecting chambers (32) on the two sides, and the air collecting chambers (32) are communicated with the air inlet main pipe (5) and the high-pressure air pipe (4).

4. A marine engine assembly with an intercooler as claimed in claim 3, wherein: the outer side wall of the gas collection chamber (32) is provided with a connecting screw hole (34), and the outer surfaces of the end parts of the gas inlet main pipe (5) and the high-pressure gas pipe (4) are connected with the connecting screw hole (34) through external threads.

5. A marine engine assembly with an intercooler as claimed in any of claims 1 to 4, wherein: the unit radiating pipe comprises an air duct body (35), an air flow channel (36) for air circulation is formed in the cavity of the air duct body (35), and radiating fins (37) are arranged on the outer wall of the air duct body (35).

6. A marine engine assembly with an intercooler as claimed in claim 5, wherein: the air duct body (35) and the radiating fins (37) are made of aluminum materials or copper materials.