Ship power generation device cooled by external water

Abstract

The utility model relates to a ship power generation device cooled by external water. The ship power generation device comprises a generator set and a cooling system, the cooling system comprises an inner circulation channel, a heat exchanger and an outer circulation channel; the inner circulation channel penetrates through the generator set and passes through the heat exchanger, the two ends of the outer circulation channel are suitable for being connected outside the ship, the outer circulation channel passes through the heat exchanger, and the heat exchanger is suitable for enabling the outer circulation channel and the inner circulation channel to exchange heat. Compared with the prior art, the ship power generation device utilizing external water cooling provided by the utility model has the advantages that the generator set is cooled through the internal circulation channel, and a huge amount of external water flow is introduced through the external circulation channel to cool the internal circulation channel, so that the cooling efficiency of the generator set can be effectively improved; the heat of the generator set is prevented from being dissipated into the ship to cause the temperature in the ship to be too high, external water flow can be prevented from eroding the generator set, and the service life of the generator set is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to power supply technical field especially relates to a kind of ship power generation device using external water cooling. BACKGROUND

[0002] At present, the electric power used by existing ship is provided by shipborne power generation device, and most shipborne power generation systems adopt diesel generator set.However, the shipborne power generation system in the prior art uses diesel as fuel, emits a large amount of heat during work, which not only affects the normal work of the generator set, but also causes the temperature of the ship space to rise due to the limited space on the ship, affecting the riding experience of the crew. SUMMARY

[0003] The purpose of the present application is to at least partially improve the problems of the prior art, and for this purpose, the present application provides a ship power generation device using external water cooling to improve the cooling efficiency of the shipborne power generation device to some extent.

[0004] To achieve the above purpose, the present application provides a ship power generation device using external water cooling, comprising a generator set and a cooling system; the cooling system comprises an internal circulation channel, a heat exchanger and an external circulation channel; the internal circulation channel is arranged in the generator set and passes through the heat exchanger, and the two ends of the external circulation channel are adapted to be connected to the outside of the ship; the external circulation channel passes through the heat exchanger, and the heat exchanger is adapted to cause heat exchange between the external circulation channel and the internal circulation channel.

[0005] Preferably, the external circulation channel comprises a water inlet pipe, a water inlet pump and a water outlet pipe, one end of the water inlet pipe is adapted to be connected to a water source outside the ship, the other end of the water inlet pipe is connected to the heat exchanger after passing through the water inlet pump, one end of the water outlet pipe is connected to the heat exchanger, and the other end of the water outlet pipe is adapted to be connected to a water source outside the ship; the water inlet pump is driven by the generator set to work.

[0006] Preferably, the generator set comprises a diesel engine and a generator, and the water inlet pump is connected to the output end of the diesel engine.

[0007] Preferably, it further comprises a housing, the generator set is arranged in the housing, the housing is provided with a water inlet interface and a water outlet interface, the water inlet pipe is adapted to be connected to the outside of the ship through the water inlet interface, and the water outlet pipe is adapted to be connected to the outside of the ship through the water outlet interface.

[0008] Preferably, the housing is further provided with a first air vent and a second air vent, the first air vent is arranged at the lower part of one end of the housing, and the second air vent is arranged at the upper part of the other end of the housing.

[0009] Preferably, a cooling fan is further included, which is adapted to form a cooling air flow between the first air vent and the second air vent.

[0010] Preferably, the generator set is provided with an exhaust pipe connecting the water outlet pipe.

[0011] Preferably, the heat exchanger is provided with a heat exchange cavity connected with the inner circulation channel; and a plurality of heat exchange pipes are arranged in the heat exchange cavity, one end of each of the heat exchange pipes being connected with the water inlet pipe and the other end being connected with the water outlet pipe.

[0012] Preferably, the heat exchanger is provided with a heat exchange cavity connected with the inner circulation channel; and one heat exchange pipe is arranged in the heat exchange cavity, the heat exchange pipe being folded multiple times in the heat exchange cavity, one end of the heat exchange pipe being connected with the water inlet pipe and the other end being connected with the water outlet pipe.

[0013] Preferably, the water inlet pipe, the water outlet pipe and the heat exchange pipe are made of corrosion-resistant material.

[0014] Compared with the prior art, the ship power generation device using external water cooling provided by the embodiment of the present application can effectively improve the cooling efficiency of the generator set, avoid the heat of the generator set from being dissipated into the ship to make the temperature in the ship too high, and prevent the external water flow from eroding the generator set, thereby prolonging the service life of the generator set. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the embodiment of the present application;

[0016] Figure 2 is a partial structural schematic view of the embodiment of the present application Figure 1 ;

[0017] Figure 3 is a partial structural schematic view of the embodiment of the present application Figure 2 ;

[0018] Figure 4 is a sectional view of the heat exchanger of the embodiment of the present application.

[0019] REFERENCE SIGNS:

[0020] 100, generator set; 210, internal circulation channel; 220, heat exchanger; 221, heat exchange cavity; 222, heat exchange pipeline; 231, water inlet pipeline; 232, water inlet pump; 233, water outlet pipeline; 300, exhaust pipeline; 400, shell; 410, water inlet interface; 420, water outlet interface; 430, first ventilation opening. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are preferred embodiments of the present application, and should not be regarded as exclusive to other embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Referring to Figures 1-4 As shown in the figure, the application embodiment provides a ship power generation device cooled by external water, which comprises a generator set 100 and a cooling system; the cooling system comprises an internal circulation channel 210, a heat exchanger 220 and an external circulation channel; the internal circulation channel 210 is arranged through the generator set 100 and passes through the heat exchanger 220, both ends of the external circulation channel are adapted to be connected to the outside of a ship, the external circulation channel passes through the heat exchanger 220, and the heat exchanger 220 is adapted to the heat exchange between the internal circulation channel 210 and the external circulation channel in the heat exchanger 220.

[0023] As Figure 1 shown in the figure, the application embodiment provides a ship power generation device cooled by external water, which is adapted to be placed on a ship for use, and comprises a shell 400, a generator set 100 and a cooling system, wherein the generator set 100 and the cooling system are arranged in the shell 400; in the application embodiment, the generator set 100 is a diesel generator, mainly comprising a diesel engine and a generator, the diesel engine uses diesel as energy, and drives the rotor of the generator to rotate to output electric energy when working. The diesel generator is a prior art, which will not be described here.

[0024] As Figure 2 shown in the figure, the cooling system comprises an internal circulation channel 210, a heat exchanger 220 and an external circulation channel; the internal circulation channel 210 is a pipeline in circulation communication, part of the pipeline is arranged through the generator set 100 or closely arranged with the generator set 100, and part of the pipeline in the internal circulation channel 210 passes through the heat exchanger 220; the internal circulation channel 210 has a cooling medium capable of circulating flow, and the flow of the cooling medium can be realized by connecting a water pump in series in the internal circulation channel 210; in the application embodiment, the cooling medium in the internal circulation channel 210 is fresh water, and in other embodiments, the cooling medium can also be brine or oil.

[0025] As shown in Figure 3 , the outer circulation passage includes a water inlet pipe 231, a water inlet pump 232 and a water outlet pipe 233, wherein one end of the water inlet pipe 231 is adapted to be connected to a water source outside the ship, such as river water or sea water outside the ship, through a water inlet interface 410 on the shell 400. The other end of the water inlet pipe 231 is connected to the heat exchanger 220 after passing through the water inlet pump 232. One end of the water outlet pipe 233 is connected to the heat exchanger 220, and the other end of the water outlet pipe 233 is adapted to be connected to the water source outside the ship through a water outlet interface 420 on the shell 400. The water inlet pump 232 is connected in series in the water inlet pipe 231 and is driven to work by the generator set 100, specifically, the water inlet pump 232 is connected to the output end of the diesel engine and is driven to work by the diesel engine in the generator set 100. The river water or sea water outside the ship can be pumped into the heat exchanger 220 by the water inlet pump 232, and then output to the outside of the ship from the water outlet pipe 233 after passing through the heat exchanger 220.

[0026] In some embodiments, as shown in Figure 4 , the heat exchanger 220 is provided with a heat exchange cavity 221, the heat exchange cavity 221 is connected with the inner circulation passage 210, the cooling medium in the inner circulation passage 210 enters the heat exchange cavity 221 from one interface of the heat exchange cavity 221, and then flows into the inner circulation passage 210 again after being output from the other interface of the heat exchange cavity 221; the heat exchange cavity 221 is provided with a heat exchange pipe 222, one end of the heat exchange pipe 222 is connected with the water inlet pipe 231, and the other end of the heat exchange pipe 222 is connected with the water outlet pipe 233, the river water or sea water sent by the water inlet pump 232 passes through the heat exchange pipe 222 and is then sent out by the water outlet pipe 233.

[0027] The ship power generation device provided by the embodiment of the present application cools the generator set 100 by using the outer water in actual work, the generator set 100 realizes the function of generating electricity by burning diesel oil, in the process of generating electricity, the generator set 100 drives the cooling medium in the inner circulation passage 210 to flow to realize the circulation between the generator set 100 and the heat exchanger 220, at the same time, the generator set 100 also drives the water inlet pump 232 to work, so as to pump the water (such as river water or sea water) outside the ship into the heat exchanger 220 through the water inlet pipe 231 of the outer circulation passage; the outer water in the outer circulation passage exchanges heat with the cooling medium in the heat exchanger 220 when passing through the heat exchange pipe 222 in the heat exchanger 220, so as to reduce the temperature of the cooling medium in the inner circulation, the cooling medium with reduced temperature exchanges heat with the generator set 100 when flowing to the generator set 100, so as to reduce the temperature of the generator set 100. The outer water with increased temperature is discharged to the outside of the ship through the water outlet pipe, so as to effectively prevent the temperature rise of the space in the ship.

[0028] Compared with the prior art, the ship power generation device using external water cooling provided by the embodiment of the application can effectively improve the cooling efficiency of the generator set 100, avoid the heat of the generator set 100 from being dissipated into the ship to make the temperature in the ship too high, and prevent the external water flow from eroding the generator set 100 to improve the service life of the generator set 100.

[0029] In some preferred embodiments, as shown in Figure 4 The heat exchange cavity 221 is provided with a plurality of heat exchange pipes 222, one end of each heat exchange pipe 222 is connected with the water inlet pipe 231, and the other end of each heat exchange pipe 222 is connected with the water outlet pipe 233. Alternatively, the heat exchange cavity 221 is provided with one heat exchange pipe 222, but the heat exchange pipe 222 is folded and coiled multiple times in the heat exchange cavity 221. By providing multiple heat exchange pipes 222 in the heat exchange cavity 221 or folding and coiling the heat exchange pipe 222, the surface area of the heat exchange pipe 222 in the heat exchange cavity 221 is increased, thereby effectively improving the heat exchange efficiency between the external circulation channel and the internal circulation channel 210.

[0030] In some preferred embodiments, the water inlet pipe 231, the water outlet pipe 233 and the heat exchange pipe 222 are made of corrosion-resistant materials such as rubber, copper alloy, aluminum alloy and stainless steel. In other preferred embodiments, the heat exchange pipe 222 is made of materials that have both heat conduction performance and corrosion resistance, such as copper alloy, aluminum alloy or stainless steel.

[0031] In some preferred embodiments, the shell 400 is further provided with a first ventilation opening 430 and a second ventilation opening, the first ventilation opening 430 is arranged at the lower part of one end of the shell 400, and the second ventilation opening is arranged at the upper part of the other end of the shell 400. The shell 400 is further provided with a cooling fan, and the cooling fan is adapted to form a cooling air beam between the first ventilation opening 430 and the second ventilation opening, so as to further improve the cooling efficiency of the generator set 100.

[0032] In some preferred embodiments, the generator set 100 is provided with an exhaust pipe 300, the exhaust pipe 300 is adapted to exhaust the exhaust gas generated when the generator set 100 burns diesel oil, and the exhaust pipe 300 is connected with the water outlet pipe to be exhausted to the outside of the ship through the water outlet pipe.

[0033] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions recorded in the above embodiments can be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A marine power plant utilizing external water cooling, characterized by: The application relates to a cooling system for a ship, which comprises a generator set and a cooling system; the cooling system comprises an inner circulation channel, a heat exchanger and an outer circulation channel; the inner circulation channel is arranged in the generator set and passes through the heat exchanger; the outer circulation channel is adapted to be connected to the outside of the ship at both ends; the outer circulation channel passes through the heat exchanger; and the heat exchanger is adapted to exchange heat between the outer circulation channel and the inner circulation channel.

2. Marine power plant with external water cooling according to claim 1, characterized in that The outer circulation channel comprises a water inlet pipe, a water inlet pump and a water outlet pipe; one end of the water inlet pipe is adapted to be connected to a water source outside the ship; the other end of the water inlet pipe is connected to the heat exchanger after passing through the water inlet pump; one end of the water outlet pipe is connected to the heat exchanger; and the other end of the water outlet pipe is adapted to be connected to a water source outside the ship; and the water inlet pump is driven by the generator set.

3. Marine power plant with external water cooling according to claim 2, characterized in that The generator set comprises a diesel engine and a generator; and the water inlet pump is connected to the output end of the diesel engine.

4. A marine power plant utilizing external water cooling according to claim 2, characterized in that: The application further comprises a shell, wherein the generator set is arranged in the shell; the shell is provided with a water inlet interface and a water outlet interface; the water inlet pipe is adapted to be connected to the outside of the ship through the water inlet interface; and the water outlet pipe is adapted to be connected to the outside of the ship through the water outlet interface.

5. Marine power plant with external water cooling according to claim 4, characterized in that The shell is further provided with a first air vent and a second air vent; the first air vent is arranged at the lower part of one end of the shell; and the second air vent is arranged at the upper part of the other end of the shell.

6. Marine power plant with external water cooling according to claim 5, characterized in that The application further comprises a cooling fan, which is adapted to form a cooling air beam between the first air vent and the second air vent.

7. A marine power plant utilizing external water cooling according to claim 2, characterized in that: The generator set is provided with an exhaust pipe, which is connected to the water outlet pipe.

8. A marine power plant utilizing external water cooling according to claim 2, characterized in that: The heat exchanger is provided with a heat exchange cavity, which is connected to the inner circulation channel; and the heat exchange cavity is provided with a plurality of heat exchange pipes; one end of each heat exchange pipe is connected to the water inlet pipe; and the other end of each heat exchange pipe is connected to the water outlet pipe.

9. A marine power plant utilizing external water cooling according to claim 2, characterized in that: The heat exchanger is provided with a heat exchange cavity, which is connected to the inner circulation channel; and the heat exchange cavity is provided with a heat exchange pipe; the heat exchange pipe is coiled and folded multiple times in the heat exchange cavity; one end of the heat exchange pipe is connected to the water inlet pipe; and the other end of the heat exchange pipe is connected to the water outlet pipe.

10. Marine power plant with external water cooling according to claim 8 or 9, characterized in that The water inlet pipe, the water outlet pipe and the heat exchange pipe are made of corrosion-resistant materials.

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