CN219601593U

CN219601593U - Cooling device for marine propulsion equipment

Info

Publication number: CN219601593U
Application number: CN202320181501.9U
Authority: CN
Inventors: 顾丹童; 葛慧钰; 程健
Original assignee: Jiangsu Nantong Shentong Machinery Co ltd
Current assignee: Jiangsu Nantong Shentong Machinery Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-08-29
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses a marine propulsion equipment cooling device, which comprises a seawater suction pipe, a seawater drainage pipe, a phase-change cooling assembly, a pump body and seawater filtering equipment, wherein the seawater suction pipe is connected with the seawater drainage pipe; pumping seawater into seawater filtering equipment through a pump body and a seawater suction pipe, and discharging filtered seawater through a seawater drain pipe after passing through a phase change cooling assembly; the phase-change cooling component is in heat transfer connection with a heating component of marine propulsion equipment. The utility model has the advantages of easily obtained cold source, excellent heat exchange performance of equipment, high heat transfer efficiency and good safety.

Description

Cooling device for marine propulsion equipment

Technical Field

The utility model relates to the technical field of marine equipment cooling, in particular to a marine propulsion equipment cooling device.

Background

The marine propulsion means an energy changer in the marine propulsion means. The electric motor or the engine is generally adopted to provide a power source for the electric motor or the engine, and the power generated by the engine is converted into the thrust for the ship to travel so as to overcome the resistance of the ship to travel in water and push the ship to travel. Most common are propellers, and further paddle wheels, water jet propellers, ducted propellers, and translational propellers. When the motor or the engine runs at a high speed, a large amount of heat is generated, and the heat is not discharged timely, so that the power source can not work normally due to faults, and therefore, a high-efficiency and reliable cooling system is required to cool the power source or other modules.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the cooling device for the marine propulsion equipment, which has the advantages of easily available cold source, excellent equipment heat exchange performance, high heat transfer efficiency and good safety.

In order to solve the technical problems, the utility model adopts the following technical scheme: a marine propulsion equipment cooling device comprises a seawater suction pipe, a phase-change cooling assembly, a pump body and seawater filtering equipment; pumping seawater into seawater filtering equipment through a pump body and a seawater suction pipe, and discharging filtered seawater after passing through a phase change cooling assembly; the phase-change cooling component is in heat transfer connection with a heating component of marine propulsion equipment.

Further, the phase change cooling component comprises a plurality of evaporation pipelines, a gas phase working medium pipeline, a liquid phase working medium pipeline and a condenser; the heating component is provided with a mounting hole for the evaporation pipeline to pass through, the outlet end of the evaporation pipeline is connected with a gas phase working medium pipeline, and the inlet end of the evaporation pipeline is connected with a liquid phase working medium pipeline; the heat source inlet and outlet of the condenser are respectively connected with a gas phase working medium pipeline and a liquid phase working medium pipeline; the cold source inlet of the condenser is connected with the seawater filtering equipment through a pipeline, and the cold source outlet is connected with the seawater drain pipe.

Further, the phase change cooling assembly also comprises a second condenser; the second heat source inlet of the condenser is connected with the first heat source outlet of the condenser; the heat source outlet of the second condenser is connected with the cache tank; the buffer tank is connected with the pump body through a circulating pipeline; valves are arranged on the circulating pipeline and the seawater suction pipe; and a cold source inlet of the second condenser is connected with an induced draft fan through an air inlet pipe, and a cold source outlet is connected with an exhaust pipe.

Further, a seawater drain pipe connected with the condenser is connected with a seawater desalination device; the sea water desalting device is connected with a drinking water treatment device and a steam heater.

Further, the seawater suction pipe is connected with a corrosion inhibition assembly; the corrosion inhibition assembly comprises a metal inner pipe which is arranged on the inner wall of the seawater suction pipe close to the seawater filtering equipment end; an anode is arranged in the metal inner tube; the anode is connected with the metal inner tube in an insulating way; the anode is connected with the metal inner tube through a wire, and the anode is connected with the negative electrode of the direct current power supply; the positive electrode of the direct current power supply is connected with the metal inner tube through a lead.

The beneficial effects of the utility model are as follows:

1) The utility model directly uses seawater to cool the marine equipment, and the cold source is easy to obtain.

2) The heating equipment is cooled mainly by the vapor and liquid phases of the medium to transfer heat, and has very low thermal resistance, thus having very high heat conduction capability; the equipment has the advantages of excellent heat exchange performance, high heat transfer efficiency, good safety, high reliability, excellent isothermal property, low power consumption and wide application range.

Drawings

The utility model is further described below with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of embodiment 1 of the present utility model.

Fig. 2 is a schematic structural diagram of embodiment 2.

Fig. 3 is a schematic structural diagram of embodiment 3.

Fig. 4 is a schematic structural diagram of embodiment 4.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in the following detailed description.

Example 1

Referring to fig. 1 and 2, the cooling device for marine propulsion equipment according to the present utility model comprises a seawater pumping pipe 1, a phase-change cooling assembly 3, a pump body 4 and seawater filtering equipment 5; seawater is pumped into seawater filtering equipment 5 through a pump body 4 and a seawater suction pipe 1, and filtered seawater is discharged after passing through a phase change cooling assembly 3; the phase-change cooling component 3 is in heat transfer connection with a heating component of marine propulsion equipment.

The phase change cooling assembly 3 in the present embodiment includes a plurality of evaporation pipes 31, a gas phase working medium pipe 32, a liquid phase working medium pipe 33, and a condenser 34; the heating component is provided with a mounting hole for the evaporation pipeline 31 to pass through, the outlet end of the evaporation pipeline 31 is connected with the gas phase working medium pipeline 32, and the inlet end is connected with the liquid phase working medium pipeline 33; the heat source inlet and outlet of the condenser 34 are respectively connected with the gas phase working medium pipeline 32 and the liquid phase working medium pipeline 33; the cold source inlet of the condenser 34 is connected with the seawater filtering device 5 through a pipeline, and the cold source outlet is connected with the seawater drain pipe 2.

According to the utility model, the marine heating equipment is directly cooled by utilizing seawater, heat of the heating equipment is transmitted to the evaporating pipe, working medium in the evaporating pipe is heated and evaporated into a gaseous state and is collected into the gas-phase working medium pipeline, then the working medium vapor enters the condenser along the gas-phase working medium pipeline under the drive of pressure difference and exchanges heat with a cold source in the condenser, and the vapor is condensed into liquid which returns to the evaporating pipe through the liquid-phase working medium pipeline under the action of gravity; a working medium supplementing port can be arranged on the gas phase working medium pipeline.

Before entering the phase-change cooling device, seawater is filtered by a seawater filtering device to remove impurities, so that the work of the phase-change cooling device is prevented from being influenced.

The seawater filtering device is the prior art and will not be described in detail herein.

Example 2

On the basis of the embodiment 1, a seawater desalination device 6 is connected to a seawater drain pipe 2 connected with a condenser 34 in the embodiment; the sea water desalination device 6 is connected with a drinking water treatment device 7 and a steam heater 8. The heat-exchanged seawater passes through the seawater desalination device 6 and can be treated by the drinking water treatment device 7 to become direct drinking water, and can also provide a water source for the marine steam heater 8.

Example 3

On the basis of embodiment 1, the phase-change cooling assembly 3 in this embodiment further includes a second condenser 38; the heat source inlet of the second condenser 38 is connected with the heat source outlet of the first condenser; the heat source outlet of the second condenser 38 is connected with the cache tank 9; the buffer tank 9 is connected with the pump body 4 through a circulating pipeline 10; valves are arranged on the circulating pipeline 10 and the seawater suction pipe 1; the cold source inlet of the second condenser 38 is connected with the induced draft fan 36 through the air inlet pipe 35, and the cold source outlet is connected with the exhaust pipe 37.

In this embodiment, the second condenser is an air-cooled condenser, which further cools the discharged seawater, and the cooled seawater enters the buffer tank 9 for recycling.

Example 4

On the basis of the embodiment 1, the seawater suction pipe 1 of the embodiment is connected with a corrosion inhibition assembly; the corrosion inhibition assembly comprises a metal inner pipe 61 which is arranged on the inner wall of the seawater suction pipe 1 close to the end of the seawater filtering equipment 5; an anode 62 is arranged in the metal inner pipe 61; the anode 62 is connected with the metal inner pipe 61 in an insulating way; the anode 62 is connected with the metal inner tube 61 through a lead 63, and the anode 62 is connected with the negative electrode of a direct current power supply; the positive electrode of the direct current power supply is connected with the metal inner tube 61 through a lead.

The embodiment is provided with a corrosion inhibition component, so that the service life of equipment is prolonged.

The foregoing description of the preferred embodiments of the present utility model is not intended to limit the utility model, and those skilled in the art may make various modifications and equivalents within the spirit and scope of the utility model, and such modifications and equivalents should also be considered as falling within the scope of the technical solution of the present utility model.

Claims

1. A marine propulsion plant cooling device, characterized in that: comprises a seawater suction pipe (1), a phase-change cooling component (3), a pump body (4) and seawater filtering equipment (5); seawater is pumped into seawater filtering equipment (5) through a pump body (4) and a seawater suction pipe (1), and filtered seawater is discharged after passing through a phase-change cooling assembly (3); the phase change cooling component (3) is in heat transfer connection with a heating component of marine propulsion equipment.

2. A marine propulsion plant cooling arrangement as claimed in claim 1, wherein: the phase change cooling assembly (3) comprises a plurality of evaporation pipelines (31), a gas phase working medium pipeline (32), a liquid phase working medium pipeline (33) and a condenser (34); the heating component is provided with a mounting hole for the evaporation pipeline (31) to pass through, the outlet end of the evaporation pipeline (31) is connected with a gas-phase working medium pipeline (32), and the inlet end of the evaporation pipeline is connected with a liquid-phase working medium pipeline (33); the heat source inlet and outlet of the condenser (34) are respectively connected with a gas phase working medium pipeline (32) and a liquid phase working medium pipeline (33); the cold source inlet of the condenser (34) is connected with the seawater filtering equipment (5) through a pipeline, and the cold source outlet is connected with the seawater drain pipe (2).

3. A marine propulsion plant cooling arrangement as claimed in claim 2, wherein: the phase change cooling assembly (3) further comprises a second condenser (38); the heat source inlet of the second condenser (38) is connected with the heat source outlet of the first condenser; the heat source outlet of the second condenser (38) is connected with the buffer tank (9); the buffer tank (9) is connected with the pump body (4) through a circulating pipeline (10); valves are arranged on the circulating pipeline (10) and the seawater suction pipe (1); and a cold source inlet of the second condenser (38) is connected with an induced draft fan (36) through an air inlet pipe (35), and a cold source outlet is connected with an exhaust pipe (37).

4. A marine propulsion plant cooling arrangement as claimed in claim 2, wherein: a seawater drain pipe (2) connected with the condenser (34) is connected with a seawater desalination device (6); the sea water desalination device (6) is connected with a drinking water treatment device (7) and a steam heater (8).

5. A marine propulsion plant cooling arrangement as claimed in claim 1, wherein: the seawater suction pipe (1) is connected with a corrosion inhibition assembly; the corrosion inhibition assembly comprises a metal inner pipe (61) which is arranged on the inner wall of the seawater suction pipe (1) close to the end of the seawater filtering equipment (5); an anode (62) is arranged in the metal inner pipe (61); the anode (62) is connected with the metal inner pipe (61) in an insulating way; the anode (62) is connected with the metal inner tube (61) through a lead (63), and the anode (62) is connected with the negative electrode of the direct current power supply; the positive electrode of the direct current power supply is connected with the metal inner tube (61) through a lead.