Nuclear power diesel engine plant arrangement structure

By rationally arranging equipment such as oil storage tanks and preheating units in the nuclear power diesel engine plant, the integration of equipment and simplification of pipelines are achieved, solving the problems of large construction volume and high cost in the existing technology, and improving the layout and construction efficiency.

CN223469098UActive Publication Date: 2025-10-24XI AN SHAANXIAN HEAVY IND NUCLEAR EMERGENCY EQUIP CO LTD +2
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Patent Information

Application Number
CN202422918161.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-10-24
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

The layout of nuclear power emergency facilities presents challenges such as excessive auxiliary equipment, numerous interfaces between equipment, dense pipelines, and a large amount of pipeline stress calculation, resulting in a large amount of construction work and high costs.

Method used

A nuclear power diesel engine plant layout structure is adopted, including a seven-story plant structure, which rationally arranges equipment such as oil storage tanks, preheating units, water treatment tanks, lubricating oil units, diesel generator sets, oil-gas separators, intake air filter and muffler modules, fuel booster pumps, daily fuel tanks, air-cooled radiators, and exhaust mufflers, thereby achieving equipment integration and pipeline simplification.

Benefits of technology

By integrating equipment and streamlining piping, the efficiency of layout and construction has been improved, while the amount of construction work and costs have been reduced.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides a nuclear power diesel engine plant arrangement structure which comprises seven layers of plant structures. An oil storage tank is arranged on the first layer of the seven-layer plant structure, a preheating unit and a water treatment tank are arranged on the second layer, a lubricating oil unit and a diesel generating set are arranged on the third layer, an oil-gas separator, an air compressor and an air bottle are arranged on the fourth layer, and an air inlet filtering and silencing module, a fuel oil booster pump and a fuel oil daily oil tank are arranged on the fifth layer. And an air cooling radiator and an exhaust silencer are arranged on the seventh layer. According to the preheating unit, integration of a high-temperature water preheating pump and a high-temperature water electric heater in a traditional scheme is achieved; according to the lubricating oil unit, integration of a lubricating oil low-temperature water plate exchange device, a lubricating oil high-temperature water plate exchange device and a lubricating oil pre-supply pump is achieved, compared with a traditional arrangement scheme, the arrangement position of the lubricating oil unit is improved, integration of all the devices in the unit is more compact, all main pipelines are simplified and then connected to a sixth-layer air cooling radiator, heat exchange treatment is facilitated, and the lubricating oil unit is economical and practical.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to nuclear power diesel engine plant structure technical field, concretely relates to a nuclear power diesel engine plant layout structure. BACKGROUND

[0002] At present, the nuclear power emergency plant has the problems of too many auxiliary equipment, too many interfaces between equipment, dense pipelines, large amount of pipeline stress calculation and large amount of pipe support calculation during the layout process. The large amount of equipment and pipelines in construction makes the construction amount large

[0003] Therefore, it is necessary to optimize and upgrade the previous layout to improve the layout and construction efficiency, reduce the use of pipeline amount and reduce the cost.

[0004] Based on this, a nuclear power diesel engine plant layout structure is provided. CONTENT OF UTILITY MODEL

[0005] The utility model solves the technical problem in the prior art, provides a nuclear power diesel engine plant layout structure to solve the problems in the background art.

[0006] To solve the above technical problems, the utility model adopts the technical scheme of a nuclear power diesel engine plant layout structure, which comprises a seven-story plant structure; an oil storage tank is arranged on the first layer of the seven-story plant structure, a preheating unit and a water treatment box are arranged on the second layer, an oil lubricating unit and a diesel generator set are arranged on the third layer, an oil-gas separator is arranged on the fourth layer, an air inlet filtering and silencing module, a fuel booster pump and a fuel daily oil tank are arranged on the fifth layer, the sixth layer is a pipeline installation transition layer, and an air cooling radiator and an exhaust silencer are arranged on the seventh layer.

[0007] The oil storage tank on the first layer provides fuel for the entire plant structure, and the fuel is delivered to the fuel daily oil tank through a pipeline, and the fuel daily oil tank directly provides fuel for the operation of the diesel generator set through the fuel booster pump arranged on the fifth layer.

[0008] The preheating unit heats high-temperature water in the standby state of the unit, and the high-temperature water enters the diesel generator set for warming up through a pipeline; the water treatment box is connected with a water treatment pump, and the water treatment pump and the water treatment box provide the water demand of the entire plant structure;

[0009] In the standby state of the diesel generator set, the oil lubricating unit heats the oil lubricating unit, and the oil lubricating unit enters the oil lubricating unit preheating circuit after being heated, and the oil lubricating unit enters the diesel generator set for warming up and pre-lubrication; in the running state of the diesel generator set, the oil lubricating unit enters the diesel generator set for lubrication after being cooled by the oil lubricating unit through a pipeline.

[0010] The oil-gas separator is connected with the diesel generating set through pipelines, realizes the air permeation during the operation of the diesel generating set, and separates the oil and gas discharged from the diesel generating set;

[0011] The air inlet filtering and silencing module is used for providing air during the combustion operation of the diesel generating set, and is responsible for filtering and purifying the air and silencing the air inlet sound;

[0012] The exhaust silencer is connected with the diesel generating set through pipelines, and is used for silencing the exhaust gas discharged from the diesel generating set.

[0013] As a further description of the utility model, each air compressor is connected with an air bottle, normal pressure air is compressed into high pressure air by the air compressor and stored in the air bottle, the air bottle is connected with the diesel generating set through pipelines, and high pressure air is delivered through the air bottle, which is used for starting the diesel generating set.

[0014] As a further description of the utility model, the oil storage tank is connected with a first fuel delivery pump and a second fuel delivery pump, and the fuel in the oil storage tank is delivered to the fuel daily use tank through the first fuel delivery pump and the second fuel delivery pump.

[0015] As a further description of the utility model, the air cooling radiator is provided with four groups, and the air cooling radiator is connected with the water treatment tank through pipelines.

[0016] As a further description of the utility model, the air cooling radiator is connected with a motor and a fan.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] In the plant structure arrangement scheme, the preheating unit integrates the high-temperature water preheating pump and the high-temperature water electric heater in the traditional scheme; the oil unit integrates the oil low-temperature water plate exchange, the oil high-temperature water plate exchange and the oil pre-supply pump in the traditional scheme, and the two units are arranged on the second layer and the third layer respectively, so that the arrangement position is improved compared with the traditional arrangement scheme, the integration between the devices in the unit is more compact, and after the main pipelines are simplified, the pipelines are connected to the air cooling radiator on the sixth layer, so that heat exchange and treatment are facilitated, and the utility model is economic and practical. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall structure front view of the utility model.

[0020] MARKS:

[0021] 1-Oil storage tank; 2-First fuel delivery pump; 3-Second fuel delivery pump; 4-Preheating unit; 5-Water treatment pump; 6-Water treatment tank; 7-Diesel generator set; 8-Lubricating oil unit; 9-Oil-gas separator; 10-Air compressor; 11-Air bottle; 12-Intake air filter and silencer module; 13-Fuel boost pump; 14-Fuel daily tank; 15-Air-cooled radiator; 16-Exhaust muffler. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] like Figure 1 As shown, the utility model provides a technical solution: a nuclear power diesel engine plant layout structure, including a seven-story plant structure; an oil storage tank 1 is arranged on the first floor of the seven-story plant structure, a preheating unit 4 and a water treatment tank 6 are arranged on the second floor, a lubricating oil unit 8 and a diesel generator set 7 are arranged on the third floor, an oil-gas separator 9 is arranged on the fourth floor, an air intake filter and silencer module 12, a fuel booster pump 13 and a daily fuel tank 14 are arranged on the fifth floor, the sixth floor is a pipeline installation transition layer, and an air cooling radiator 15 and an exhaust muffler 16 are arranged on the seventh floor;

[0024] The oil storage tank 1 on the first floor provides fuel for the entire plant structure. The oil storage tank 1 is connected to a first fuel delivery pump 2 and a second fuel delivery pump 3. The first fuel delivery pump 2 and the second fuel delivery pump 3 deliver the fuel in the oil storage tank 1 to a daily fuel tank 14. The daily fuel tank 14 directly provides fuel for the operation of the diesel generator set 7 through a fuel booster pump 13 arranged on the fifth floor.

[0025] The preheating unit 4 heats high-temperature water in the hot standby state of the unit. The high-temperature water enters the diesel generator set 7 through the pipeline to warm up the engine. The water treatment tank 6 is connected to the water treatment pump 5. The water treatment pump 5 and the water treatment tank 6 provide the water demand of the entire plant structure;

[0026] When the diesel generator set 7 is in hot standby mode, the lubricating oil of the lubricating oil unit 8 enters the lubricating oil preheating circuit after being heated by the lubricating oil unit 8. The heated lubricating oil enters the diesel generator set 7 for warm-up pre-lubrication. When the diesel generator set 7 is in operation, the lubricating oil passes through the pipeline through the lubricating oil unit 8 and then cools down before entering the diesel generator set 7 for lubrication.

[0027] The oil-gas separator 9 is connected with the diesel generating set 7 through a pipeline, and realizes the air permeation during the operation of the diesel generating set 7, and separates the oil and gas discharged from the diesel generating set 7;

[0028] Each air compressor 10 is connected with an air bottle 11, and the normal-pressure air is compressed into high-pressure air by the air compressor 10 and stored in the air bottle 11, the air bottle 11 is connected with the diesel generating set 7 through a pipeline, and the high-pressure air is delivered by the air bottle 11 and used for starting the diesel generating set 7.

[0029] The air inlet filtering and silencing module 12 is used for providing air during the combustion operation of the diesel generating set 7, and is responsible for filtering and purifying the air and silencing the air inlet sound;

[0030] The exhaust silencer 16 is connected with the diesel generating set 7 through a pipeline, and is used for silencing the exhaust gas discharged from the diesel generating set 7, the air-cooled radiator 15 is provided with four groups, the air-cooled radiator 15 is connected with the water treatment tank 6 through a pipeline, the air-cooled radiator 15 is connected with a motor and a fan, and the motor and the fan cooperate to discharge the excess heat in the whole system.

[0031] It should be noted that, in the present document, relational terms such as first and second and the like can be 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. Also, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A nuclear power diesel engine plant layout characterized by: The seven-storey factory building structure comprises a storage tank (1) arranged on the first storey, a preheating unit (4) and a water treatment tank (6) arranged on the second storey, an oil unit (8) and a diesel generator set (7) arranged on the third storey, an oil-gas separator (9) and an air compressor (10) arranged on the fourth storey, an air inlet filtering and silencing module (12), a fuel booster pump (13) and a fuel daily oil tank (14) arranged on the fifth storey, a pipeline installation transition layer on the sixth storey, and an air cooling radiator (15) and an exhaust silencer (16) arranged on the seventh storey. The storage tank (1) on the first storey provides fuel for the whole factory building structure, and the fuel is delivered to the fuel daily oil tank (14) through pipelines, and the fuel daily oil tank (14) directly provides fuel for the operation of the diesel generator set (7) through the fuel booster pump (13) arranged on the fifth storey. The preheating unit (4) heats high-temperature water in the standby state of the generator set, and the high-temperature water enters the diesel generator set (7) for warming through pipelines; the water treatment tank (6) is connected with a water treatment pump (5); and the water treatment pump (5) and the water treatment tank (6) provide water demand for the whole factory building structure. The oil unit (8) heats oil in the standby state of the diesel generator set (7), and the heated oil enters an oil preheating circuit; the heated oil enters the diesel generator set (7) for warming and pre-lubrication; in the running state of the diesel generator set (7), the oil is cooled by the oil unit (8) through pipelines and then enters the diesel generator set (7) for lubrication. The oil-gas separator (9) is connected with the diesel generator set (7) through pipelines, realizes the air permeation during the operation of the diesel generator set (7), separates the oil and gas discharged from the diesel generator set (7), and uses the compressed high-pressure air from the air compressor (10) for starting the diesel generator set (7). The air inlet filtering and silencing module (12) is used for providing air for the combustion operation of the diesel generator set (7), and is responsible for filtering and purifying air and silencing the air inlet sound. The exhaust silencer (16) is connected with the diesel generator set (7) through pipelines, and is used for silencing the exhaust gas discharged from the diesel generator set (7).

2. A nuclear power diesel engine plant arrangement according to claim 1, characterized in that, Each air compressor (10) is connected with an air bottle (11), the air compressor (10) compresses normal-pressure air into high-pressure air, and the high-pressure air is stored in the air bottle (11); the air bottle (11) is connected with the diesel generator set (7) through pipelines, and the high-pressure air is delivered from the air bottle (11) for starting the diesel generator set (7).

3. A nuclear power diesel engine plant arrangement according to claim 1, characterized in that, The storage tank (1) is connected with a first fuel delivery pump (2) and a second fuel delivery pump (3), and the fuel in the storage tank (1) is delivered to the fuel daily oil tank (14) through the first fuel delivery pump (2) and the second fuel delivery pump (3).

4. A nuclear power diesel engine plant arrangement according to claim 1, characterized in that, The air cooling radiator (15) is provided with four groups, and is connected with the water treatment tank (6) through pipelines.

5. A nuclear power diesel plant layout according to claim 1, wherein, The air cooling radiator (15) is connected with a motor and a fan.