CN118815578B - A circulating cooling device for internal combustion engine of large diesel generator set - Google Patents
A circulating cooling device for internal combustion engine of large diesel generator set Download PDFInfo
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- CN118815578B CN118815578B CN202411296225.6A CN202411296225A CN118815578B CN 118815578 B CN118815578 B CN 118815578B CN 202411296225 A CN202411296225 A CN 202411296225A CN 118815578 B CN118815578 B CN 118815578B
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- 238000001816 cooling Methods 0.000 title claims abstract description 170
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 19
- 239000003921 oil Substances 0.000 claims abstract description 141
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 239000010724 circulating oil Substances 0.000 claims abstract description 53
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 238000007667 floating Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/20—Cooling circuits not specific to a single part of engine or machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/04—Pump-driving arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P5/12—Pump-driving arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/04—Pump-driving arrangements
- F01P2005/046—Pump-driving arrangements with electrical pump drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P2005/105—Using two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P5/12—Pump-driving arrangements
- F01P2005/125—Driving auxiliary pumps electrically
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Motor Or Generator Cooling System (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
本发明公开了一种大型柴油发电机组内燃机循环冷却装置，属于冷却系统技术领域，第二冷却壳体内部设第一冷却机构、第二冷却机构和储水箱，柴油发电机组两侧设冷却箱，其中一个冷却箱与第三储油箱相互连通，第三储油箱通过第一油管与第二冷却壳体内的第一冷却机构相互连通，柴油发电机组外圆周设第一冷却壳体，另外一个冷却箱通过第六油管与第一冷却壳体相互连通。本发明通过柴油发电机组通过冷却箱和第一冷却壳体中的循环油对其进行冷却降温，连接管、冷却箱和第一冷却壳体中的循环油与第一冷却机构和第二冷却机构相互连通，第一冷却机构、第二冷却机构对循环油进行冷却，从而保证柴油发电机系统的高效运行，具有降温效果好、节约能源成本的优点。
The present invention discloses a circulating cooling device for an internal combustion engine of a large diesel generator set, belonging to the technical field of cooling systems. A first cooling mechanism, a second cooling mechanism and a water storage tank are arranged inside a second cooling shell, cooling boxes are arranged on both sides of the diesel generator set, one of the cooling boxes is interconnected with a third oil storage tank, the third oil storage tank is interconnected with the first cooling mechanism in the second cooling shell through a first oil pipe, a first cooling shell is arranged on the outer circumference of the diesel generator set, and another cooling box is interconnected with the first cooling shell through a sixth oil pipe. The present invention cools the diesel generator set through the circulating oil in the cooling box and the first cooling shell, the connecting pipe, the cooling box and the circulating oil in the first cooling shell are interconnected with the first cooling mechanism and the second cooling mechanism, the first cooling mechanism and the second cooling mechanism cool the circulating oil, thereby ensuring the efficient operation of the diesel generator system, and having the advantages of good cooling effect and saving energy costs.
Description
Technical Field
The invention belongs to the technical field of cooling systems, and particularly relates to a circulating cooling device of an internal combustion engine of a large diesel generating set.
Background
The internal combustion engine generator set is equipment for supplying power by using an internal combustion engine to drive a generator, and the internal combustion engine of the large diesel generator set needs to be provided with a circulating cooling device so as to ensure that the engine keeps proper working temperature in the running process, prevent overheat damage and improve the efficiency and the reliability of the engine.
The existing internal combustion engine circulation cooling device of the large diesel generating set adopts a water cooling system, the water cooling system needs a water tank with larger volume, cooling water is added frequently in the use process, the operation and maintenance complexity is increased, the energy consumption and the operation cost of the whole system are increased, meanwhile, a sufficient cooling effect cannot be provided under the high temperature or high load condition, the working temperature of the generating set exceeds an ideal range, and the performance and the service life of the generating set are further influenced.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide the circulating cooling device for the internal combustion engine of the large diesel generating set, which has good cooling effect and saves energy cost.
The technical scheme adopted for solving the technical problems is as follows: a second cooling shell is arranged on one side of the diesel generator set, a first cooling mechanism, a second cooling mechanism and a water storage tank for cooling circulating oil are arranged in the second cooling shell, the first cooling mechanism and the second cooling mechanism are communicated with each other, cooling boxes for cooling the diesel generator set are arranged on two sides of the diesel generator set, the two cooling boxes are communicated with each other through a plurality of connecting pipes, one cooling box is communicated with a third oil storage box, circulating oil is stored in the third oil storage box, the third oil storage box is communicated with the first cooling mechanism in the second cooling shell through a first oil pipe, the outer circumference of the diesel generator set is provided with a first cooling shell which is communicated with the third oil storage box, the other cooling box is communicated with the first cooling shell through a sixth oil pipe, and the first cooling shell is communicated with the second cooling mechanism in the second cooling shell; the first cooling mechanism is as follows: the inside lower casing that is provided with rather than being linked together of second cooling body, be provided with the exchanger box on the lower casing, the inside heat exchanger that carries out heat exchange to circulating oil that is provided with of exchanger box, the exit end of heat exchanger and the inside intercommunication of lower casing, exchanger box top is provided with a plurality of telescopic links, the telescopic link upper end is provided with the upper shield casing, the upper shield casing is linked together with second oil pipe, be provided with the spring on every telescopic link respectively, every spring one end respectively with upper shield casing bottom fixed connection, every spring other end is connected with the telescopic link respectively, be provided with the heating panel to circulating oil heat dissipation in the upper shield casing inside, evenly process has the oil leak hole on the heating panel, the heating panel bottom is followed horizontal direction sliding connection and is had the sliding plate, the even processing of sliding plate has the through-hole that is linked together with the oil leak hole, the through-hole is linked together with the entry end of heat exchanger, the sliding plate rotates with connecting rod one end to be connected, the connecting rod other end rotates with the top of exchanger box to be connected.
Further, be provided with first pump case on the second cooling shell, first pump case inside is provided with first baffle and the second baffle that separates its inside into first cavity, second cavity and third cavity, first cavity, second cavity and third cavity inside are provided with first impeller respectively, first pump case one side is provided with the first motor that drives every first impeller pivoted, fifth oil pipe communicates with each other through first cavity and fourth oil pipe, fourth oil pipe communicates with each other with second cooling mechanism, third oil storage tank communicates with each other through first oil pipe and third cavity, the third cavity communicates with each other with first cooling mechanism through second oil pipe.
Further, the top of the heat dissipation plate is a wave plate.
Further, the second cooling mechanism is: the inside first oil storage tank that is provided with of second cooling casing, storage water tank one side are provided with the fixed plate, are provided with the second oil storage tank that is located first oil storage tank top on the fixed plate, and second oil storage tank top evenly processes there is the oil outlet, is provided with the casing on the second oil storage tank, goes up the casing and processes into the slope lateral wall respectively all around, and it has the slope spout that is used for circulating oil gliding to process on the slope lateral wall of casing to go up, and circulating oil in the second oil storage tank loops through oil outlet, slope spout entering first oil storage tank.
Further, the second cavity in the first pump shell is communicated with the inside of the second cooling shell through a seventh oil pipe, the second cavity is communicated with the second oil storage tank through a third oil pipe, the fifth oil pipe is communicated with the first cavity in the first pump shell, and the first cavity in the first pump shell is communicated with the first oil storage tank through a fourth oil pipe.
Further, the second cooling shell top be provided with the support frame that is located last casing top, be provided with driving fan pivoted second motor on the support frame, the second motor carries out cooling to the circulating oil in the first oil storage tank.
Further, the water storage tank on be provided with automatic water inlet mechanism, automatic water inlet mechanism be: the top of the water storage tank is provided with a second pump shell and a third motor, a second impeller is rotatably arranged in the second pump shell, an output shaft of the third motor is fixedly connected with the second impeller, a water inlet pipe is mutually communicated with the inside of the water storage tank through the second pump shell, and a steam pipe is processed at the outlet end of the water storage tank.
Further, the storage water tank top be provided with the second dead lever, along vertical direction sliding connection having the slide bar in the second dead lever, the upper roof at second dead lever top is provided with the first pressure sensor who contradicts with the slide bar, be provided with the second pressure sensor who contradicts with the slide bar on the lower plate of second dead lever bottom, slide bar and slide bar fixed connection, the storage water tank is inside to be provided with fixed section of thick bamboo, fixed section of thick bamboo inside is provided with the floater.
The beneficial effects of the invention are as follows: (1) The diesel generator set is adopted to cool the diesel generator set through the cooling box and the circulating oil in the first cooling shell, the connecting pipe, the cooling box and the circulating oil in the first cooling shell are communicated with the first cooling mechanism and the second cooling mechanism, and the first cooling mechanism and the second cooling mechanism cool the circulating oil, so that the efficient operation of the diesel generator system is ensured, and the diesel generator system has the advantages of good cooling effect and energy cost saving; (2) According to the invention, the heat dissipation plate in the first cooling structure is cooled by adopting the wave plate, the sliding plate moves to the through hole to communicate with the oil leakage hole in the descending process of the upper housing shell, the circulating oil enters the heat exchanger to exchange heat and cool the circulating oil, the circulating oil in the second cooling mechanism is sprayed out from the oil outlet hole to enter the inclined chute on the upper housing shell, the inclined chute is convenient for cooling a part of the circulating oil, and the fan cools the circulating oil in the rotating process; (3) The invention adopts the water in the water storage tank to cool the interior of the second cooling shell, and the water vapor evaporated from the water in the water storage tank is sent out through the steam pipe due to higher temperature of the circulating oil, so that the water level in the water storage tank can be automatically regulated according to the water level change in the water storage tank.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a circulating cooling apparatus for an internal combustion engine of a large diesel-electric set according to the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 at another angle;
FIG. 3 is a schematic illustration of the structure of FIG. 1 with parts removed;
FIG. 4 is a schematic view of the structure of the inside of the first pump casing;
FIG. 5 is a schematic view of the structure of the first cooling mechanism;
FIG. 6 is a schematic illustration of the structure of FIG. 5 with parts removed;
FIG. 7 is a schematic view of the structure of FIG. 6 with the upper housing removed;
FIG. 8 is a schematic view of a heat exchanger;
FIG. 9 is a schematic view of the structure of the connecting rod and the sliding plate;
FIG. 10 is a schematic structural view of a second cooling mechanism;
FIG. 11 is a schematic illustration of the construction of parts on the second reservoir;
FIG. 12 is a schematic view of the structure of the parts on the support frame;
FIG. 13 is a schematic diagram of a second motor and fan configuration;
FIG. 14 is a schematic view of the structure of the automatic water intake mechanism;
FIG. 15 is a schematic view of the structure of the sliding rod and floating ball parts;
Fig. 16 is a schematic structural view of the third motor and the second impeller.
Reference numerals: 1. a connecting pipe; 2. a cooling box; 3. a first cooling housing; 401. an exchanger tank; 402. a connecting rod; 403. a telescopic rod; 404. a spring; 405. an upper cover shell; 406. a heat exchanger; 407. a lower housing; 408. a heat dissipation plate; 409. oil leakage holes; 410. a sliding plate; 411. a through hole; 501. a first oil reservoir; 502. a second oil reservoir; 503. an oil outlet hole; 504. an upper housing; 505. tilting the chute; 506. a fixing plate; 507. a second motor; 508. a fan; 509. a support frame; 601. a second pump housing; 602. a water inlet pipe; 603. a third motor; 604. a second fixing rod; 605. a steam pipe; 606. an upper top plate; 607. a slide bar; 608. a slide bar; 609. a floating ball; 610. a fixed cylinder; 611. a lower base plate; 612. a second impeller; 7. a second cooling housing; 8. a first oil pipe; 9. a third oil reservoir; 10. a diesel generator set; 11. a second oil pipe; 12. a third oil pipe; 13. a first pump housing; 14. a fourth oil pipe; 15. a fifth oil pipe; 16. a sixth oil pipe; 17. a seventh oil pipe; 18. a first motor; 19. a first separator; 20. a second separator; 21. a first impeller; 22. and a water storage tank.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the circulating cooling apparatus for a large diesel generator set internal combustion engine of the present embodiment is constituted by connecting a connecting pipe 1, a cooling tank 2, a first cooling casing 3, a first cooling mechanism, a second cooling mechanism, an automatic water intake mechanism, a second cooling casing 7, a first oil pipe 8, a third oil tank 9, a diesel generator set 10, a second oil pipe 11, a third oil pipe 12, a first pump casing 13, a fourth oil pipe 14, a fifth oil pipe 15, a sixth oil pipe 16, a seventh oil pipe 17, a first motor 18, a first partition 19, a second partition 20, a first impeller 21, and a water storage tank 22.
The diesel generating set 10 is provided with a second cooling shell 7 on one side, a first cooling mechanism, a second cooling mechanism and a water storage tank 22 for cooling circulating oil are arranged in the second cooling shell 7, the first cooling mechanism and the second cooling mechanism are mutually communicated, cooling boxes 2 for cooling the diesel generating set 10 are arranged on two sides of the diesel generating set 10, the two cooling boxes 2 are mutually communicated through a plurality of connecting pipes 1, one cooling box 2 is mutually communicated with a third oil storage box 9, circulating oil is stored in the third oil storage box 9, the third oil storage box 9 is mutually communicated with the first cooling mechanism in the second cooling shell 7 through a first oil pipe 8, the outer circumference of the diesel generating set 10 is provided with a first cooling shell 3 which is mutually communicated with a third oil storage box 9, the other cooling box 2 is mutually communicated with the first cooling shell 3 through a sixth oil pipe 16, and the second cooling mechanism in the first cooling shell 3 and the second cooling shell 7.
The second cooling shell 7 is provided with a first pump shell 13, a first partition 19 and a second partition 20 which divide the inside of the first pump shell 13 into a first chamber, a second chamber and a third chamber are arranged inside the first pump shell 13, first impellers 21 are respectively arranged inside the first chamber, the second chamber and the third chamber, one side of the first pump shell 13 is provided with a first motor 18 which drives each first impeller 21 to rotate, a fifth oil pipe 15 is communicated with a fourth oil pipe 14 through the first chamber, the fourth oil pipe 14 is communicated with a second cooling mechanism, a third oil storage tank 9 is communicated with the third chamber through the first oil pipe 8, and the third chamber is communicated with the first cooling mechanism through a second oil pipe 11.
As shown in fig. 5 to 9, the first cooling mechanism is constituted by coupling an exchanger case 401, a connection rod 402, a telescopic rod 403, a spring 404, an upper housing case 405, a heat exchanger 406, a lower housing 407, a heat radiation plate 408, an oil leakage hole 409, a slide plate 410, and a through hole 411.
The first cooling mechanism is: the second cooling shell 7 is internally provided with a lower shell 407 which is mutually communicated with the second cooling shell, the lower shell 407 is provided with an exchanger box 401, the inside of the exchanger box 401 is provided with a plurality of heat exchangers 406 which are used for carrying out heat exchange on circulating oil, the outlet ends of the heat exchangers 406 are mutually communicated with the inside of the lower shell 407, the top of the exchanger box 401 is provided with a plurality of telescopic rods 403, the upper ends of the telescopic rods 403 are provided with an upper shell 405, the upper shell 405 is mutually communicated with the second oil pipe 11, each telescopic rod 403 is respectively provided with a spring 404, one end of each spring 404 is respectively fixedly connected with the bottom of the upper shell 405, the other end of each spring 404 is respectively connected with the telescopic rods 403, the inside of the upper shell 405 is provided with a heat dissipation plate 408 which is used for dissipating the circulating oil, as shown in fig. 8, the top of the heat dissipation plate 408 is a wave plate, oil leakage holes 409 are uniformly processed in the heat dissipation plate 408, the bottom of the heat dissipation plate 410 is connected in a sliding way along the horizontal direction, the sliding plate 410 is uniformly processed with through holes 411 which are mutually communicated with the inlet ends of the heat exchangers 406, the sliding plate 410 is rotationally connected with one end of the connecting rod 402, and the other end of the connecting rod 402 is rotationally connected with the top of the heat exchanger box 401.
As shown in fig. 10 to 13, the second cooling mechanism is configured by connecting a first oil reservoir 501, a second oil reservoir 502, an oil outlet 503, an upper case 504, an inclined chute 505, a fixing plate 506, a second motor 507, a fan 508, and a support bracket 509.
The second cooling mechanism is as follows: the top of the second cooling shell 7 is provided with a support frame 509 above the upper shell 504, the support frame 509 is provided with a second motor 507 for driving a fan 508 to rotate, and the second motor 507 cools the circulating oil in the first oil storage tank 501. The inside first oil storage tank 501 that is provided with of second cooling housing 7, storage water tank 22 one side is provided with fixed plate 506, be provided with the second oil storage tank 502 that is located first oil storage tank 501 top on the fixed plate 506, second oil storage tank 502 top evenly processes has oil outlet 503, be provided with on the second oil storage tank 502 casing 504, upward casing 504 is processed into the slope lateral wall all around respectively, upward casing 504 is processed on the slope lateral wall and is used for the gliding slope spout 505 of circulating oil, circulating oil in the second oil storage tank 502 passes through oil outlet 503, slope spout 505 gets into in the first oil storage tank 501 in proper order.
The second chamber inside the first pump housing 13 communicates with the inside of the second cooling housing 7 through the seventh oil pipe 17, the second chamber communicates with the second oil reservoir 502 through the third oil pipe 12, the fifth oil pipe 15 communicates with the first chamber inside the first pump housing 13, and the first chamber inside the first pump housing 13 communicates with the first oil reservoir 501 through the fourth oil pipe 14.
As shown in fig. 14 to 16, the water storage tank 22 is provided with an automatic water inlet mechanism, which is formed by connecting a second pump casing 601, a water inlet pipe 602, a third motor 603, a second fixing rod 604, a steam pipe 605, an upper top plate 606, a sliding rod 607, a sliding rod 608, a floating ball 609, a fixing cylinder 610, a lower bottom plate 611 and a second impeller 612.
The automatic water inlet mechanism is as follows: the top of the water storage tank 22 is provided with a second pump shell 601 and a third motor 603, a second impeller 612 is rotatably arranged in the second pump shell 601, an output shaft of the third motor 603 is fixedly connected with the second impeller 612, a water inlet pipe 602 is mutually communicated with the inside of the water storage tank 22 through the second pump shell 601, and a steam pipe 605 is processed at the outlet end of the water storage tank 22. The top of the water storage tank 22 is provided with a second fixed rod 604, a sliding rod 607 is slidably connected in the second fixed rod 604 along the vertical direction, an upper top plate 606 at the top of the second fixed rod 604 is provided with a first pressure sensor which is in conflict with the sliding rod 607, a lower bottom plate 611 at the bottom of the second fixed rod 604 is provided with a second pressure sensor which is in conflict with the sliding rod 607, the sliding rod 607 is fixedly connected with the sliding rod 608, a fixed cylinder 610 is arranged in the water storage tank 22, and a floating ball 609 is arranged in the fixed cylinder 610.
The working principle of this embodiment is as follows: (1) first cycle cooling: in the working process of the diesel generator set 10, the diesel generator set 10 cools and cools the circulating oil in the two cooling tanks 2 and the first cooling shell 3 which are communicated with each other through the plurality of connecting pipes 1, the circulating oil in the connecting pipes 1, the cooling tanks 2 and the first cooling shell 3 enters the third oil storage tank 9, the circulating oil in the third oil storage tank 9 enters a third cavity in the first pump shell 13 through the first oil pipe 8, an output shaft of the first motor 18 drives the first impeller 21 in the first cavity, the second cavity and the third cavity to rotate, the circulating oil in the third cavity enters the upper cover shell 405 through the second oil pipe 11, the heat dissipation plate 408 in the upper cover shell 405 cools and cools the circulating oil, when the weight of the circulating oil in the upper cover shell 405 is heavier, the upper cover shell 405 drives the telescopic rod 403 to move downwards in the vertical direction, the sliding plate 410 at the bottom of the heat dissipation plate 408 moves to a through hole 411 in the horizontal direction under the action of the connecting rod 402, the upper cover shell 405 is communicated with the oil leakage hole 409, the circulating oil in the upper cover shell 405 passes through the heat exchanger 406 and enters the heat exchanger 406 to cool the circulating oil in the lower cover shell 7, and the circulating oil in the upper cover shell 405 passes through the heat exchanger 406 and the heat exchanger 406 in turn.
(2) And (3) second circulating cooling: the circulating oil in the connecting pipe 1, the cooling tank 2 and the first cooling shell 3 enters the fifth oil pipe 15 through the sixth oil pipe 16, the circulating oil in the fifth oil pipe 15 enters the fourth oil pipe 14 through the first cavity in the first pump shell 13, the circulating oil in the fourth oil pipe 14 enters the inside of the first oil tank 501, the circulating oil in the second cooling shell 7 enters the second cavity in the first pump shell 13 through the seventh oil pipe 17, the circulating oil in the second cavity enters the third oil pipe 12, the circulating oil in the third oil pipe 12 enters the second oil tank 502, the circulating oil in the second oil tank 502 is sprayed out into the inclined chute 505 on the upper shell 504 through the oil outlet 503, the inclined chute 505 is convenient for cooling a part of the circulating oil, the circulating oil continuously enters the first oil tank 501, meanwhile, the second motor 507 at the top of the upper shell 504 drives the fan 508 to rotate, and the fan 508 cools the circulating oil in the rotating process.
(3) Cooling the circulating oil by water: in the process of cooling the circulating oil by the first cooling mechanism and the second cooling mechanism, water in the water storage tank 22 can cool the inside of the second cooling shell 7, because the temperature of the circulating oil is higher, water vapor evaporated in the water storage tank 22 is sent out through the steam pipe 605, when the water level in the water storage tank 22 is lowered, the floating ball 609 drives the sliding rod 607 to move downwards in the vertical direction on the second fixed rod 604 through the sliding rod 608, the sliding rod 607 is in conflict with a second pressure sensor on the lower bottom plate 611, the second pressure sensor converts received distance information into an electric signal and sends the electric signal to the controller, the controller controls the third motor 603 to start, an output shaft of the third motor 603 drives the second impeller 612 in the second pump shell 601 to rotate, water in the water tank flows into the water storage tank 22 through the water inlet pipe 602, when the water level in the water storage tank 22 is raised, the floating ball 609 is raised through the sliding rod 608, the sliding rod 607 moves upwards in the vertical direction on the second fixed rod 604, the sliding rod 607 is in conflict with the first pressure sensor on the upper top plate 606, the first pressure sensor converts the received distance information into the electric signal, the electric signal and sends the electric signal to the controller, the controller controls the third motor 603 to stop water from entering the water storage tank 22, and water in the water storage tank is stopped.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.
Claims (8)
1. The utility model provides a large-scale diesel generating set internal-combustion engine cooling back installation which characterized in that: a second cooling shell (7) is arranged on one side of the diesel generator set (10), a first cooling mechanism, a second cooling mechanism and a water storage tank (22) for cooling circulating oil are arranged inside the second cooling shell (7), the first cooling mechanism and the second cooling mechanism are mutually communicated, cooling boxes (2) for cooling the diesel generator set (10) are arranged on two sides of the diesel generator set, the two cooling boxes (2) are mutually communicated through a plurality of connecting pipes (1), one cooling box (2) is mutually communicated with a third oil storage box (9), circulating oil is stored inside the third oil storage box (9), the third oil storage box (9) is mutually communicated with the first cooling mechanism in the second cooling shell (7) through a first oil pipe (8), the outer circumference of the diesel generator set (10) is provided with a first cooling shell (3) which is mutually communicated with the third oil storage box (9), the other cooling box (2) is mutually communicated with the first cooling shell (3) through a sixth oil pipe (16), and the first cooling shell (3) is mutually communicated with the second cooling mechanism in the second cooling shell (7);
The first cooling mechanism is as follows: a lower shell (407) which is mutually communicated with the second cooling shell (7) is arranged in the second cooling shell (7), an exchanger box (401) is arranged on the lower shell (407), a plurality of heat exchangers (406) which are used for carrying out heat exchange on circulating oil are arranged in the exchanger box (401), the outlet ends of the heat exchangers (406) are mutually communicated with the inside of the lower shell (407), a plurality of telescopic rods (403) are arranged at the tops of the exchanger box (401), an upper shell (405) is arranged at the upper ends of the telescopic rods (403), the upper shell (405) is mutually communicated with a second oil pipe (11), springs (404) are respectively arranged on each telescopic rod (403), one end of each spring (404) is fixedly connected with the bottom of the upper shell (405), the other end of each spring (404) is respectively connected with the telescopic rod (403), a heat dissipation plate (408) which is used for dissipating heat of the circulating oil is uniformly processed on the heat dissipation plate (408), a sliding plate (410) is slidingly connected with the bottom of the telescopic plate (408) along the horizontal direction, the sliding plate (410) is uniformly processed with an oil leakage hole (409), the through hole (411) is communicated with the through hole (411) is processed on the bottom of the sliding plate (410), and the through hole (411) is mutually communicated with the end of the heat dissipation plate (406) through hole (is mutually communicated with the through hole (411), the other end of the connecting rod (402) is rotationally connected with the top of the exchanger box body (401).
2. The internal combustion engine circulation cooling device of a large diesel generator set according to claim 1, wherein: the novel cooling device is characterized in that a first pump shell (13) is arranged on the second cooling shell (7), a first partition plate (19) and a second partition plate (20) which divide the interior of the first pump shell (13) into a first cavity, a second cavity and a third cavity are arranged in the first cavity, the second cavity and the third cavity, a first impeller (21) is arranged in the first cavity, a first motor (18) which drives each first impeller (21) to rotate is arranged on one side of the first pump shell (13), a fifth oil pipe (15) is communicated with a fourth oil pipe (14) through the first cavity, the fourth oil pipe (14) is communicated with a second cooling mechanism, a third oil storage tank (9) is communicated with the third cavity through a first oil pipe (8), and the third cavity is communicated with the first cooling mechanism through a second oil pipe (11).
3. The internal combustion engine circulation cooling device of a large diesel generator set according to claim 1, wherein: the top of the radiating plate (408) is a wave plate.
4. The internal combustion engine circulation cooling device of a large diesel generator set according to claim 2, wherein the second cooling mechanism is: the inside first oil storage tank (501) that is provided with of second cooling body (7), storage water tank (22) one side is provided with fixed plate (506), be provided with second oil storage tank (502) that are located first oil storage tank (501) top on fixed plate (506), second oil storage tank (502) top evenly processing has oil outlet (503), be provided with on second oil storage tank (502) casing (504), upward casing (504) are processed respectively into the slope lateral wall all around, upward processing has on the slope lateral wall of casing (504) and is used for the gliding slope spout (505) of cycle oil, cycle oil in second oil storage tank (502) loops through oil outlet (503), slope spout (505) get into in first oil storage tank (501).
5. The internal combustion engine circulation cooling device of a large diesel generator set according to claim 4, wherein: the second cavity inside the first pump shell (13) is communicated with the inside of the second cooling shell (7) through a seventh oil pipe (17), the second cavity is communicated with the second oil storage tank (502) through a third oil pipe (12), the fifth oil pipe (15) is communicated with the first cavity inside the first pump shell (13), and the first cavity inside the first pump shell (13) is communicated with the first oil storage tank (501) through a fourth oil pipe (14).
6. The internal combustion engine circulation cooling device of a large diesel generator set according to claim 4, wherein: the top of the second cooling shell (7) is provided with a support frame (509) positioned above the upper shell (504), the support frame (509) is provided with a second motor (507) for driving a fan (508) to rotate, and the second motor (507) cools circulating oil in the first oil storage tank (501).
7. The internal combustion engine circulating cooling device of a large diesel generating set according to claim 1, wherein the water storage tank (22) is provided with an automatic water inlet mechanism, and the automatic water inlet mechanism is as follows: the top of the water storage tank (22) is provided with a second pump shell (601) and a third motor (603), a second impeller (612) is rotatably arranged in the second pump shell (601), an output shaft of the third motor (603) is fixedly connected with the second impeller (612), a water inlet pipe (602) is mutually communicated with the inside of the water storage tank (22) through the second pump shell (601), and a steam pipe (605) is processed at the outlet end of the water storage tank (22).
8. The internal combustion engine circulation cooling device of a large diesel generator set according to claim 7, wherein: the utility model discloses a water storage tank (22) top be provided with second dead lever (604), along vertical direction sliding connection in second dead lever (604) slide bar (607), upper roof (606) at second dead lever (604) top be provided with slide bar (607) contradict first pressure sensor, be provided with on lower plate (611) of second dead lever (604) bottom with slide bar (607) contradict second pressure sensor, slide bar (607) and slide bar (608) fixed connection, water storage tank (22) inside is provided with fixed section of thick bamboo (610), fixed section of thick bamboo (610) inside is provided with floater (609).
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| CN202411296225.6A CN118815578B (en) | 2024-09-18 | 2024-09-18 | A circulating cooling device for internal combustion engine of large diesel generator set |
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| CN202411296225.6A CN118815578B (en) | 2024-09-18 | 2024-09-18 | A circulating cooling device for internal combustion engine of large diesel generator set |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1820149A (en) * | 2003-07-10 | 2006-08-16 | Hydac系统有限公司 | Liquid cooling device |
| CN103437876A (en) * | 2013-09-17 | 2013-12-11 | 南车戚墅堰机车有限公司 | Auxiliary water cooling system of diesel generating set |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3357941B2 (en) * | 1996-02-28 | 2002-12-16 | マーン ブィ オー ダブリュ ディーセル アクシェセルスケーブ | Water-air heat exchanger for large engines |
| CN203239440U (en) * | 2013-04-28 | 2013-10-16 | 南车玉柴四川发动机股份有限公司 | High-power box-type generating unit cooling water system |
| CN215761901U (en) * | 2021-06-01 | 2022-02-08 | 山东交通学院 | Cooling system of diesel generator |
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- 2024-09-18 CN CN202411296225.6A patent/CN118815578B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1820149A (en) * | 2003-07-10 | 2006-08-16 | Hydac系统有限公司 | Liquid cooling device |
| CN103437876A (en) * | 2013-09-17 | 2013-12-11 | 南车戚墅堰机车有限公司 | Auxiliary water cooling system of diesel generating set |
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