Ship turbine cooling device

Abstract

The utility model relates to a ship turbine cooling device which comprises a shell, a water cooling mechanism and an air cooling mechanism. The shell is arranged outside a ship turbine in a sleeving mode and provided with openings in the two ends. The water cooling mechanism comprises a spiral cooling pipe for cooling water to circulate, and the spiral cooling pipe is wound outside the shell; the air cooling mechanism comprises a flow guide groove formed in the inner wall of the shell, the flow guide groove extends to penetrate through openings in the two ends of the shell, and an exhaust nozzle is arranged corresponding to the flow guide groove and arranged at one end of the flow guide groove corresponding to the flow guide groove. According to the ship turbine cooling device, through the arrangement of the spiral cooling pipe, cooling water flows along the spiral cooling pipe to achieve heat exchange, water serving as cooling liquid is prevented from making contact with the interior of a ship turbine, and damage to the ship turbine is avoided; water cooling and air cooling are combined, and the cooling effect of the marine main engine is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of marine engine equipment, and particularly relates to a marine engine cooling device. Background Art

[0002] A marine engine is mainly a device used to drive the propulsion of a ship. During the operation of a marine engine, a large amount of heat is generated. If the heat cannot be discharged in time, the marine engine is prone to damage and failure when operating at a high temperature, which is not conducive to the stable operation of the ship. Therefore, it is necessary to dissipate the heat of the marine engine in time.

[0003] The common prior art adopts the method of water-cooled heat dissipation. For example, a marine engine cooling device disclosed in the prior art with the publication number CN220842937U discloses a method of water-cooled heat dissipation by spraying.

[0004] By using the method of water-cooled heat dissipation by spraying, on the one hand, it will consume more fresh water resources, and on the other hand, the sprayed water may enter the interior of the engine, causing failures inside the engine, especially the electrical equipment is prone to failure. Summary of the Utility Model

[0005] In order to achieve good heat dissipation during the operation of a marine engine, the utility model discloses a marine engine cooling device, which realizes the heat dissipation effect by combining water cooling with air cooling, and additionally avoids water from entering the interior of the marine engine during water cooling by means of pipeline design.

[0006] The technical purpose of the utility model is realized through the following technical solutions:

[0007] A marine engine cooling device includes a housing with two open ends sleeved outside the marine engine, a water-cooling mechanism, and an air-cooling mechanism;

[0008] The water-cooling mechanism includes a spiral cooling pipe for the circulation of cooling water, and the spiral cooling pipe is coiled outside the housing;

[0009] The air-cooling mechanism includes a diversion groove arranged on the inner wall of the housing, the diversion groove extends through the openings at both ends of the housing, and an exhaust nozzle is arranged corresponding to the diversion groove, and the exhaust nozzle is arranged at one end of the diversion groove corresponding to the diversion groove.

[0010] Further, a spiral groove is arranged on the outer wall of the housing corresponding to the spiral cooling pipe, and the spiral cooling pipe is arranged on the outer wall of the housing along the spiral groove.

[0011] Further, a plurality of diversion grooves are arranged in a circle along the inner wall of the housing, and the diversion grooves are equally spaced from each other.

[0012] Further, the diversion grooves are distributed linearly or spirally along the inner wall of the housing.

[0013] Furthermore, the water cooling mechanism further includes a water supply pipe, a water supply pump, and a water storage tank. The input port of the water supply pump is connected to the water supply pipe, the output port of the water supply pump is connected to one end of the spiral cooling pipe, and the other end of the spiral cooling pipe is connected to the water storage tank.

[0014] Furthermore, the air cooling mechanism further includes a blower and an air supply pipe. A plurality of exhaust nozzles are connected in parallel to the air supply pipe, and the blower supplies air to the exhaust nozzles through the air supply pipe.

[0015] Furthermore, the exhaust nozzles are inserted into the diversion groove from the end of the diversion groove in a fitting manner.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] 1. Through the arrangement of the spiral cooling pipe in the ship turbine cooling device of the present utility model, the cooling water flows along the spiral cooling pipe to achieve heat exchange, avoiding the contact between the water as the coolant and the inside of the ship turbine and preventing damage to the ship turbine.

[0018] 2. The present utility model combines water cooling and air cooling to ensure the cooling effect of the ship main engine.

[0019] 3. The present utility model realizes the recycling of cooling water through the water storage tank, avoiding the waste of fresh water resources. The water after cooling and heat exchange can also be used for domestic water in the water storage tank to realize the reuse of heat. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the ship turbine cooling device of the present utility model.

[0021] Figure 2 is an exploded schematic structural diagram of the ship turbine cooling device of the present utility model.

[0022] Figure 3 is another schematic diagram of the form of the diversion groove in the housing of the present utility model.

[0023] In the figure, 1. housing; 2. water cooling mechanism; 3. diversion groove; 4. air cooling mechanism;

[0024] 201. spiral cooling pipe; 202. water supply pump; 203. water supply pipe; 204. water storage tank; 205. drain pipe; 206. spiral groove;

[0025] 401. exhaust nozzle; 402. air supply pipe; 403. blower. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The technical solutions of the present utility model will be further described below in conjunction with the specific embodiments:

[0027] A ship turbine cooling device, as <X Figure 1and Figure 2 As shown in Figure 2 , it includes a housing 1 with openings at both ends sleeved outside the marine engine, a water cooling mechanism 2, and an air cooling mechanism 4. When in use for cooling, the housing is sleeved outside the marine engine;

[0028] The water cooling mechanism 2 includes a spiral cooling pipe 201 for the circulation of cooling water, and the spiral cooling pipe 201 is coiled outside the housing 1;

[0029] Preferably, the water cooling mechanism 2 further includes a water supply pipe 203, a water supply pump 202, and a water storage tank 204. The input port of the water supply pump 202 is connected to the water supply pipe 203, the output port of the water supply pump 202 is connected to one end of the spiral cooling pipe 201, and the other end of the spiral cooling pipe 201 is connected to the water storage tank 204. In order to facilitate the reuse of the water in the water storage tank, the water storage tank 204 is also connected with a drain pipe 205. The water supply pipe 203 can be connected to the marine water storage tank, and water is pumped from the water storage tank through the water supply pump 202 for cooling, and the water in the water storage tank 204 can also be discharged into the water storage tank through the drain pipe 205.

[0030] In another embodiment, other coolants can also be circulated in the spiral cooling pipe to replace fresh water for cooling.

[0031] Preferably, a spiral groove 206 is provided on the outer wall of the housing 1 corresponding to the spiral cooling pipe 201, and the spiral cooling pipe 201 is arranged along the spiral groove 206 on the outer wall of the housing 1.

[0032] The air cooling mechanism 4 includes a diversion groove 3 provided on the inner wall of the housing 1. The diversion groove 3 extends through the openings at both ends of the housing 1. An exhaust nozzle 401 is provided corresponding to the diversion groove 3, and the exhaust nozzle 401 is arranged at one end of the diversion groove 3 corresponding to the diversion groove 3. A plurality of diversion grooves 3 are arranged in a circle on the inner wall of the housing 1, and the diversion grooves 3 are equally spaced apart. When the diversion groove 3 extends from the opening at one end of the housing to the opening at the other end, it is arranged in a straight line.

[0033] The air cooling mechanism 4 further includes a blower 403 and an air supply pipe 402. A plurality of exhaust nozzles 401 are connected in parallel to the air supply pipe 402, and the blower 403 supplies air to the exhaust nozzles 401 through the air supply pipe 402. In this embodiment, the housing has a circular cylindrical structure, the air supply pipe 402 has an annular structure at a position close to the opening of the housing, and the exhaust nozzles 401 are evenly distributed along the annular air supply pipe at the opening position.

[0034] Preferably, the exhaust nozzle 401 is L-shaped, and the exhaust nozzle 401 is inserted into the diversion groove 3 from the end of the diversion groove 3 in a matching manner. The diameter of the exhaust nozzle 401 is smaller than the diameter of the air supply pipe 402.

[0035] In another embodiment, a plurality of diversion grooves are spirally distributed along the inner wall of the housing, as Figure 3 shown.

[0036] This embodiment is only a further explanation of the present utility model and does not limit the present utility model. After reading this specification, those skilled in the art can make non-creative modifications to this embodiment as needed, but as long as it is within the scope of the claims of the present utility model, it is protected by the patent law.

Claims

1. A marine engine cooling device, characterized in that, It includes a housing with two open ends sleeved outside the marine engine, a water cooling mechanism, and an air cooling mechanism; The water cooling mechanism includes a spiral cooling pipe for the circulation of cooling water, and the spiral cooling pipe is coiled outside the housing; The air cooling mechanism includes a diversion groove provided on the inner wall of the housing. The diversion groove extends through the openings at both ends of the housing. An exhaust nozzle is provided corresponding to the diversion groove, and the exhaust nozzle is provided at one end of the diversion groove corresponding to the diversion groove.

2. The marine engine cooling device according to claim 1, characterized in that, A spiral groove is provided on the outer wall of the housing corresponding to the spiral cooling pipe, and the spiral cooling pipe is arranged along the spiral groove on the outer wall of the housing.

3. A marine engine cooling device according to claim 1, characterized in that, A number of diversion grooves are arranged in a circle along the inner wall of the housing, and the diversion grooves are evenly spaced apart.

4. The marine engine cooling device according to claim 3, characterized in that, The diversion groove is linearly distributed or spirally distributed along the inner wall of the housing.

5. A marine engine cooling device according to claim 1, characterized in that, The water cooling mechanism further includes a water supply pipe, a water supply pump, and a water storage tank. The input port of the water supply pump is connected to the water supply pipe, the output port of the water supply pump is connected to one end of the spiral cooling pipe, and the other end of the spiral cooling pipe is connected to the water storage tank.

6. A marine engine cooling device according to claim 3, characterized in that, The air cooling mechanism further includes a blower and an air supply pipe. A number of the exhaust nozzles are connected in parallel to the air supply pipe, and the blower supplies air to the exhaust nozzles through the air supply pipe.

7. A marine engine cooling device according to claim 1, characterized in that, The exhaust nozzle is inserted into the diversion groove from the end of the diversion groove in a matching manner.

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