SY/T 4090-1995 Technical specification for power generation facilities of offshore oil projects
Some standard content:
Petroleum and Natural Gas Industry Standard of the People's Republic of China Beach-Shallow Sea Oil Engineering Power Generation Facilities
Technical specification of generating equipnmentfor petroleum engineering in beach-shallow seaSY/ T 409095
Editor: Survey and Design Institute of Dagang Petroleum Administration BureauApproval department: Petroleum Industry Press of China National Petroleum Corporation
1995Beijing
Selection of generator sets
Number of generator sets
Capacity of generator sets
Prime movers of generator sets
Technical requirements of generator sets
Environmental conditions of installation location
Auxiliary systems of prime movers|| tt||General provisions
Fuel system
Lubricating oil system
Cooling system
Intake and exhaust system
Starting system
Supplementary requirements for emergency generating sets
Equipment layout and safety
Equipment layout
Ventilation and safety
Noise control and anti-pollution
Control and protection
Alarm and protection of the unit
Test, installation and inspection Acceptance
(13)
Recheck test of unit
Installation of unit
Installation of auxiliary facilities and piping system of unit
Test of auxiliary piping system
Testing and inspection of pile group installation
Acceptance of project
Appendix A. Explanation of terms used in this specification
Additional explanation
Technical specification for power generation facilities of offshore oil projects 15
Article explanation***(26)
Document of China National Petroleum Corporation
(95) Zhongchong Jixuanzi No. 731
Notice on the approval and release of 26 oil and gas industry standards including "Standard for Investigation Methods of Corrosion and Protection of Steel Pipelines and Storage Tanks"
To all relevant units:
"Standard for Investigation Methods of Corrosion and Protection of Steel Pipelines and Storage Tanks" and other 26 oil and gas industry standards (draft): have been reviewed and approved, and are now approved as oil and gas industry standards and will be released on. The numbers of each standard: The names are as follows 1
SY T 0087-95
SY /T 0545--1995
SY/T 4013--95
SY 7T 4041---95
SY T 4084--95
SY7T 4085--95
Standard for investigation method of corrosion and protection of steel surface pipelines and storage tanks
Determination of thermal characteristic parameters of wax precipitation in crude oil
Scanning calorimetry
Ethylene anticorrosion technology for buried steel pipelines
Standard (replaces SY14013-87)
Installation and acceptance specification for special wet steam generators for oil fields (replaces SYJ4041-89)
Technical specification for environmental conditions and loads in coastal areas
Technical specification for oil and gas gathering and transportation in coastal oil fields
SY/T 4086-95
SY/T 408795
SY/T 4088-95
SY7T 408995
SYT 4090--95
SY/T 409195
SY / T 409295
SYT 409395
SY/T 409495
SY 7 T 4095---95
SY/T 409695
SY/T 409795
SY T 4098--95
SY T 4099-95
SY 7 T 4100-95
SY 7T 4101-95
SY /T -4102-95
SY/T 41031995
Sr 4104-95
SY /T 008895
Technical specification for design and construction of pipeline network on beach and sea structures
Technical specification for ventilation and air conditioning of beach and sea oil projectsTechnical specification for water supply and drainage of beach and sea oil projectsTechnical specification for electrical engineering of beach and sea oil projects
Technical specification for power generation facilities of Weihai oil projectsTechnical specification for corrosion protection of beach and sea oil projects
Technical specification for thermal insulation of beach and sea oil projects
Technical specification for selection and installation of cranes on beach and sea oil facilities
Technical specification for design and construction of shallow-water steel fixed platform structures
Technical specification for design and construction of shallow-water steel mobile platform structures
Protection of wellheads in beach and sea ike fields Technical specifications for devices Technical specifications for the design and construction of sloping sandstone artificial island structures in coastal watersbZxz.net
Technical specifications for the design and construction of coastal ring-walled steel formwork-concrete artificial island structures
Technical specifications for the design and construction of coastal media
Technical specifications for coastal engineering survey
Technical specifications for coastal geotechnical engineering investigation
Specifications for the inspection and installation of valves
Welding and acceptance of steel pipelines
Quality inspection and assessment standard for petroleum construction projects
Technical standards for cathodic protection of the outer wall of the bottom of steel storage tanks
The above standards shall come into force on June 1, 1996. China National Petroleum Corporation
December 18, 1995
In order to standardize the design and construction of offshore extraction power generation facilities, to ensure safety, reliability, advanced technology, economical and practical, and environmental protection, this specification is specially formulated. 1.0.2 This specification applies to the design, construction and acceptance of AC power generation projects that are transferred to normal production after the completion of lead wells on offshore oilfield platforms (artificial islands). 1.0.3
Referenced standards
GB3033—82
Paint colors for ship pipelines and identification symbols GB 4208--93
Classification of enclosure protection grades
GB706086 Basic technical requirements for marine motors CB/T13032--91 General technical conditions for diesel generator sets for marine use GB325585
Calibration of power, fuel consumption and lubricating oil consumption of marine diesel engines Correction under non-standard environmental conditions, CZ75-62 Safety of marine auxiliary engines
SY/『408795 Technical specifications for ventilation and air conditioning of offshore oil projects SY7T4089-95 Electrical technical specifications for offshore oil projects SY5747-1995 Safety regulations for offshore oil construction projects 1.0.4 In addition to complying with this specification, power generation projects on offshore oil fields (artificial islands) shall also comply with the provisions of the current relevant standards (specifications) of the country. 2 Selection of generator sets
2.1 Number of generator sets
2.1.1 The number of generator sets should be determined according to the development plan, the purpose of the generator sets, the requirements of the power load on the platform, etc. : 2.1.2 On the platform (artificial island), if there is no external power supply, at least two generator sets as the main power supply should be equipped. 2.2 Capacity of generator sets
2.2.1 The generator set as the main power supply should be a unit for equipment. The total capacity of the generator set should be able to meet the following requirements when the largest generator set stops working. 2.2.1.1 Ensure that the power supply is provided to the electrical equipment necessary for production and life under normal circumstances
2.2.1.2 When the largest motor on the platform or the motor set that needs to be started at the same time is started, the voltage drop of the power supply system caused shall not affect the normal operation of other electrical equipment.
2.2.2 When the generator set is used as an emergency power source: the emergency generator set should have sufficient capacity to ensure that it can supply power to the necessary load in an emergency situation. The necessary load should comply with the relevant provisions of the "Electrical Technical Specifications for Beach Oil Engineering". 2.2.3 For generators running in parallel, the influence of the distribution difference of auxiliary power and reactive power on the power of the unit should be considered. Generators that need to be connected in parallel should be able to meet the requirements of the "General Technical Specifications for Marine Diesel Generator Sets" for parallel operation of generators. 2.2.4 When the use conditions of the prime mover do not conform to the product technical documents, they should be corrected in accordance with the "Calibration of Marine Diesel Engine Power, Fuel Consumption and Lubricating Oil Consumption and Correction under Non-standard Environmental Conditions" to ensure that the generator meets the requirements for the prime mover power. 2.3.1
2.3 The prime mover of the generator set
should give priority to the use of fuel with small transportation volume and low price, but it must meet the technical requirements of the unit for the fuel.
2.3.1.2 Platforms (artificial islands) with natural gas or associated gas production: gas fuel should be used as the preferred fuel
2.3.1.3 Diesel, crude oil and heavy oil are all used as fuel for internal combustion engines. 2.3.1.4 The flash point of diesel used in diesel engines (closed cup test) should not be lower than 60°C, and the flash point of diesel used in emergency generators should not be lower than 43°C. If special measures are taken to limit the ambient temperature of fuel storage or use to a range below 10°C below the internal temperature of the fuel, fuel with a flash point below 60°C may be allowed to be used: but not lower than 43°C. Necessary safety protection measures should be taken when using crude oil or natural gas fuel. 2.3.2 Prime mover
2.3.2.1 The prime mover of the main generator can be a gas turbine, diesel, heavy oil, crude oil, natural gas engine or dual-fuel engine. 2.3.2.2
The emergency generator set should use a diesel engine as the prime mover. 2.4 Technical requirements for generator sets
2.4.1 Voltage, frequency
The voltage and frequency of the generator relay should be consistent with the voltage and frequency of the distribution system. 2.4.2 Voltage regulation performance of generator sets
2.4.2.1 The steady-state voltage regulation rate of AC generator sets shall not exceed 2.5%; the steady-state voltage regulation rate of emergency generator sets shall not exceed 3.5%. 2.4.2.2 When the AC generator set is under no-load condition, when a symmetrical load of 60% of the rated current is suddenly added or unloaded, and the power factor is 0.4 (with backlash) or below, the transient voltage change rate shall be at least -15% and at most +20%; the time for the voltage to recover to within 3% of the rated value shall not exceed 1.5s. 2.4.2.3 The setting range of the no-load voltage of the unit shall be 95%~105% of the rated voltage,
2.4.2.4 The voltage fluctuation rate of the unit shall not exceed 0.1% under any symmetrical load within 0~100% of the rated load! 1%
2.4.3 Speed regulation characteristics of generator sets
2.4.3.1 When the main generator set is suddenly unloaded and no-loaded, 50% of the rated load is actually added, and the remaining 50% is added after stabilization. Its instantaneous speed regulation should not exceed ±10% + the stabilization time should not exceed 5s. The emergency unit should be able to suddenly unload and suddenly add 100% of the rated load, and its instantaneous speed regulation and stabilization time should be the same as those of the main generator set. 2.4.3.2 The steady-state speed regulation of the unit should not exceed 5%2.4.3.3 After the speed regulation characteristics of the unit are set, the speed fluctuation rate under no-load and various loads should not exceed 0.5%
2.4.3.4 The insensitivity of the unit speed regulation system should not be less than 0.5%. 2.4.3.5 The direction of the speed regulation characteristic curve of the parallel-operating units shall be consistent, and the nonlinearity of the characteristic curve shall not exceed 20% of the actual steady-state speed regulation rate. 2.4.3.6 The speed regulator of the parallel-operating units shall have an adjustable mechanism for changing the steady-state speed regulation rate.
2.4.4 Starting performance
When the room temperature is not lower than 5℃: the prime mover of the main generator shall start smoothly without preheating; when the main generator adopts forced lubrication sliding bearings, the lubrication system may adopt preheating measures.
2.4.5 Parallel operation of AC main generator sets 2.4.5.1 When the load of the parallel-operating AC generator sets changes according to the rated power factor within the range of 20% to 100% of the total rated power, they shall be able to operate stably, and their active power distribution difference shall not be greater than 15% of the rated power of the largest generator and 25% of the rated power of the smallest generator.
2.4.5.2 For AC generator sets running in parallel, the reactive power distribution difference should not be greater than 10% of the rated reactive power of the largest generator and 25% of the rated reactive power of the smallest generator.
2.4.5.3 The excitation system of AC generator sets running in parallel should have measures to properly distribute the reactive power between the units.
2.4.6 Vibration requirements
The vibration of the generator set should comply with the corresponding requirements of ≤General Technical Conditions for Marine Diesel Generator Sets".
2.4.7 Noise requirements
2.4.7.1 When the rated speed of the unit is less than or equal to 1000r/min: the noise should not be greater than 105dB.
2.4.7.2 When the rated speed of the unit is higher than 1000r/min: the noise should not be greater than 110dB
2.4.8 Overload and short-circuit performance of the generator set
2.4.8.1 Under the rated power factor, the unit should have the ability to withstand continuous overload operation of 110% rated power for 1h, and the temperature rise is not assessed. 2.4.8.2 Under the self-excitation condition, the unit should be able to withstand a sudden three-phase short circuit for a duration of not less than 2s without damage or harmful deformation. Under the stable short-circuit state, the generator and its excitation core should be able to maintain a steady-state short-circuit current of three times the rated current. 2.4.9 Insulation resistance
The cold insulation resistance of the generator winding shall not be less than 5M0, and the hot insulation resistance shall not be less than 2M0.
2.4.10 Asymmetric load
The asymmetric load of the AC generator shall comply with the relevant provisions of the "Basic Technical Requirements for Marine Motors".
2.5 Environmental conditions of the installation location
2.5,1 The power generation facility shall adapt to the following environmental conditions: The highest and lowest ambient temperatures in the area where the platform (artificial island) is located 2.5.1.1
The vibration and impact generated during the normal operation of the platform (unmanned island) 2.5.1.3 Humid air, mold
2.5.1.4 Chemically active substances such as salt spray, oil spray, sulfur dioxide and hydrogen sulfide. 2.5.2: The selection of the shell protection form of the power generation facility shall be compatible with the requirements of the installation site. The shell protection form shall comply with the requirements of the "Classification of Shell Protection Levels". 2.5.3 The power generation facility shall be installed in a safe area. If it must be installed in a hazardous area, necessary measures should be taken to make it a safe place. 3 Auxiliary systems of prime movers
3.1 General provisions
3.1.1 The pipelines of each system should be fixed, and the pipelines in the hazardous area should be prevented from generating sparks.
In addition to complying with the provisions of this specification, each system should also meet the technical requirements of the unit. 3.2 Fuel system
The design reserve of the unit fuel should be determined according to the needs of the platform (Renwang Island) and the actual situation of fuel supply, but it should not be less than 7d consumption. 3.2.2 There should be no less than two fuel storage tanks.
3.2.3 The generator set should be equipped with a daily fuel tank. The daily fuel tank capacity of the main generator set should not be less than the fuel consumption of the generator set running for 8 hours: the daily fuel tank capacity of the emergency generator set should be set according to the 18h fuel consumption.
3.3 Lubricating oil system
Oil pump.
When multiple units share a lubricating oil system, an independent standby lubricating oil storage tank should be provided. 3.3.2 Prime movers with a power of not less than 750kW should be equipped with a lubricating device for power pre-supply of oil. The continuous time of the pre-supply of oil should meet the requirements of diesel engine starting. A manual pre-supply of lubricating oil pump can be provided for small power diesel engines. 3.3.3 When multiple prime movers are installed, the oil drain pipes from each oil sump pipe to the lubricating oil circulation cabinet should be independent.
3.3.4 The system should be equipped with a lubricating oil storage tank. The design reserve of lubricating oil should be determined according to the actual situation of lubricating oil supply, and its reserve is generally not less than 30% of the consumption. hThe emergency unit should be able to suddenly unload or add 100% of the rated load, and its instantaneous speed regulation and stabilization time should be the same as those of the main generator set. 2.4.3.2 The steady-state speed regulation of the unit should not be greater than 5%. 2.4.3.3 After the speed regulation characteristics of the unit are adjusted, the speed fluctuation rate under no-load and various loads should not exceed 0.5%. 2.4.3.4 The insensitivity of the speed regulation system of the unit should not be greater than 0.5%. 2.4.3.5 The curvature of the speed regulation characteristic curve of the parallel-operating units should be consistent, and the nonlinearity of the characteristic curve should not exceed 20% of the actual steady-state speed regulation. 2.4.3.6 The speed regulator of the parallel-operating units should have an adjustable mechanism to change the steady-state speed regulation.
2.4.4 Starting performance
When the room temperature is not lower than 5℃: the prime mover of the main generator should start smoothly without preheating; when the main generator adopts forced lubrication sliding bearings, the lubrication system can adopt preheating measures.
2.4.5 Parallel operation of AC main generator sets 2.4.5.1 When the load of AC generator sets in parallel varies according to the rated power factor within the range of 20% to 100% of the total rated power, they should be able to operate stably, and the difference in active power distribution should not be greater than 15% of the rated power of the largest generator and 25% of the rated power of the smallest generator.
2.4.5.2 For AC generator sets in parallel, the difference in reactive power distribution should not be greater than 10% of the rated reactive power of the largest generator and 25% of the rated reactive power of the smallest generator.
2.4.5.3 The excitation system of AC generator sets in parallel should have measures to properly distribute reactive power between units.
2.4.6 Vibration requirements
The vibration of the generator set should comply with the corresponding requirements of ≤General Technical Conditions for Marine Diesel Generator Sets".
2.4.7 Noise requirements
2.4.7.1 When the rated speed of the unit is less than or equal to 1000r/min: the noise should not be greater than 105dB.
2.4.7.2 When the rated speed of the unit is higher than 1000r/min: the noise should not be greater than 110dB
2.4.8 Overload and short-circuit performance of the generator set
2.4.8.1 Under the rated power factor, the unit should have the ability to withstand continuous overload operation of 110% rated power for 1h, and the temperature rise is not assessed. 2.4.8.2 Under the self-excitation condition, the unit should be able to withstand a sudden three-phase short circuit for a duration of not less than 2s without damage or harmful deformation. Under the stable short-circuit state, the generator and its excitation core should be able to maintain a steady-state short-circuit current of three times the rated current. 2.4.9 Insulation resistance
The cold insulation resistance of the generator winding shall not be less than 5M0, and the hot insulation resistance shall not be less than 2M0.
2.4.10 Asymmetric load
The asymmetric load of the AC generator shall comply with the relevant provisions of the "Basic Technical Requirements for Marine Motors".
2.5 Environmental conditions of the installation location
2.5,1 The power generation facility shall adapt to the following environmental conditions: The highest and lowest ambient temperatures in the area where the platform (artificial island) is located 2.5.1.1
The vibration and impact generated during the normal operation of the platform (unmanned island) 2.5.1.3 Humid air, mold
2.5.1.4 Chemically active substances such as salt spray, oil spray, sulfur dioxide and hydrogen sulfide. 2.5.2: The selection of the shell protection form of the power generation facility shall be compatible with the requirements of the installation site. The shell protection form shall comply with the requirements of the "Classification of Shell Protection Levels". 2.5.3 The power generation facility shall be installed in a safe area. If it must be installed in a hazardous area, necessary measures should be taken to make it a safe place. 3 Auxiliary systems of prime movers
3.1 General provisions
3.1.1 The pipelines of each system should be fixed, and the pipelines in the hazardous area should be prevented from generating sparks.
In addition to complying with the provisions of this specification, each system should also meet the technical requirements of the unit. 3.2 Fuel system
The design reserve of the unit fuel should be determined according to the needs of the platform (Renwang Island) and the actual situation of fuel supply, but it should not be less than 7d consumption. 3.2.2 There should be no less than two fuel storage tanks.
3.2.3 The generator set should be equipped with a daily fuel tank. The daily fuel tank capacity of the main generator set should not be less than the fuel consumption of the generator set running for 8 hours: the daily fuel tank capacity of the emergency generator set should be set according to the 18h fuel consumption.
3.3 Lubricating oil system
Oil pump.
When multiple units share a lubricating oil system, an independent standby lubricating oil storage tank should be provided. 3.3.2 Prime movers with a power of not less than 750kW should be equipped with a lubricating device for power pre-supply of oil. The continuous time of the pre-supply of oil should meet the requirements of diesel engine starting. A manual pre-supply of lubricating oil pump can be provided for small power diesel engines. 3.3.3 When multiple prime movers are installed, the oil drain pipes from each oil sump pipe to the lubricating oil circulation cabinet should be independent.
3.3.4 The system should be equipped with a lubricating oil storage tank. The design reserve of lubricating oil should be determined according to the actual situation of lubricating oil supply, and its reserve is generally not less than 30% of the consumption. hThe emergency unit should be able to suddenly unload or add 100% of the rated load, and its instantaneous speed regulation and stabilization time should be the same as those of the main generator set. 2.4.3.2 The steady-state speed regulation of the unit should not be greater than 5%. 2.4.3.3 After the speed regulation characteristics of the unit are adjusted, the speed fluctuation rate under no-load and various loads should not exceed 0.5%. 2.4.3.4 The insensitivity of the speed regulation system of the unit should not be greater than 0.5%. 2.4.3.5 The curvature of the speed regulation characteristic curve of the parallel-operating units should be consistent, and the nonlinearity of the characteristic curve should not exceed 20% of the actual steady-state speed regulation. 2.4.3.6 The speed regulator of the parallel-operating units should have an adjustable mechanism to change the steady-state speed regulation.
2.4.4 Starting performance
When the room temperature is not lower than 5℃: the prime mover of the main generator should start smoothly without preheating; when the main generator adopts forced lubrication sliding bearings, the lubrication system can adopt preheating measures.
2.4.5 Parallel operation of AC main generator sets 2.4.5.1 When the load of AC generator sets in parallel varies according to the rated power factor within the range of 20% to 100% of the total rated power, they should be able to operate stably, and the difference in active power distribution should not be greater than 15% of the rated power of the largest generator and 25% of the rated power of the smallest generator.
2.4.5.2 For AC generator sets in parallel, the difference in reactive power distribution should not be greater than 10% of the rated reactive power of the largest generator and 25% of the rated reactive power of the smallest generator.
2.4.5.3 The excitation system of AC generator sets in parallel should have measures to properly distribute reactive power between units.
2.4.6 Vibration requirements
The vibration of the generator set should comply with the corresponding requirements of ≤General Technical Conditions for Marine Diesel Generator Sets".
2.4.7 Noise requirements
2.4.7.1 When the rated speed of the unit is less than or equal to 1000r/min: the noise should not be greater than 105dB.
2.4.7.2 When the rated speed of the unit is higher than 1000r/min: the noise should not be greater than 110dB
2.4.8 Overload and short-circuit performance of the generator set
2.4.8.1 Under the rated power factor, the unit should have the ability to withstand continuous overload operation of 110% rated power for 1h, and the temperature rise is not assessed. 2.4.8.2 Under the self-excitation condition, the unit should be able to withstand a sudden three-phase short circuit for a duration of not less than 2s without damage or harmful deformation. Under the stable short-circuit state, the generator and its excitation core should be able to maintain a steady-state short-circuit current of three times the rated current. 2.4.9 Insulation resistance
The cold insulation resistance of the generator winding shall not be less than 5M0, and the hot insulation resistance shall not be less than 2M0.
2.4.10 Asymmetric load
The asymmetric load of the AC generator shall comply with the relevant provisions of the "Basic Technical Requirements for Marine Motors".
2.5 Environmental conditions of the installation location
2.5,1 The power generation facility shall adapt to the following environmental conditions: The highest and lowest ambient temperatures in the area where the platform (artificial island) is located 2.5.1.1
The vibration and impact generated during the normal operation of the platform (unmanned island) 2.5.1.3 Humid air, mold
2.5.1.4 Chemically active substances such as salt spray, oil spray, sulfur dioxide and hydrogen sulfide. 2.5.2: The selection of the shell protection form of the power generation facility shall be compatible with the requirements of the installation site. The shell protection form shall comply with the requirements of the "Classification of Shell Protection Levels". 2.5.3 The power generation facility shall be installed in a safe area. If it must be installed in a hazardous area, necessary measures should be taken to make it a safe place. 3 Auxiliary systems of prime movers
3.1 General provisions
3.1.1 The pipelines of each system should be fixed, and the pipelines in the hazardous area should be prevented from generating sparks.
In addition to complying with the provisions of this specification, each system should also meet the technical requirements of the unit. 3.2 Fuel system
The design reserve of the unit fuel should be determined according to the needs of the platform (Renwang Island) and the actual situation of fuel supply, but it should not be less than 7d consumption. 3.2.2 There should be no less than two fuel storage tanks.
3.2.3 The generator set should be equipped with a daily fuel tank. The daily fuel tank capacity of the main generator set should not be less than the fuel consumption of the generator set running for 8 hours: the daily fuel tank capacity of the emergency generator set should be set according to the 18h fuel consumption.
3.3 Lubricating oil system
Oil pump.
When multiple units share a lubricating oil system, an independent standby lubricating oil storage tank should be provided. 3.3.2 Prime movers with a power of not less than 750kW should be equipped with a lubricating device for power pre-supply of oil. The continuous time of the pre-supply of oil should meet the requirements of diesel engine starting. A manual pre-supply of lubricating oil pump can be provided for small power diesel engines. 3.3.3 When multiple prime movers are installed, the oil drain pipes from each oil sump pipe to the lubricating oil circulation cabinet should be independent.
3.3.4 The system should be equipped with a lubricating oil storage tank. The design reserve of lubricating oil should be determined according to the actual situation of lubricating oil supply, and its reserve is generally not less than 30% of the consumption. h2 Fuel system
The design reserve of the unit fuel should be determined according to the demand of the platform (Renwang Island) and the actual situation of fuel supply, but it should not be less than 7 days of consumption. 3.2.2 There should be no less than two fuel storage cabinets.
3.2.3 The generator set should be equipped with a daily fuel tank. The daily fuel tank capacity of the main generator set should not be less than the fuel consumption of the generator set running for 8 hours: the daily fuel tank capacity of the emergency generator set should be set according to the fuel consumption of 18 hours.
3.3 Lubricating oil system
Oil pump.
When multiple units share a lubricating oil system, an independent standby lubrication system should be set. 3.3.2 The prime mover with a power of not less than 750kW should be equipped with a lubrication device for power pre-supply of oil, and the continuous time of the pre-supply of oil should meet the requirements of diesel engine starting. A manual pre-supply of oil lubrication pump can be set for small power diesel engines. 3.3.3 When multiple prime movers are installed, the oil drain pipes from each oil sump pipe to the lubricating oil circulation cabinet should be independent.
3.3.4 The system should be equipped with a lubricating oil storage cabinet. The design reserve of lubricating oil should be determined according to the actual situation of lubricating oil supply, and its reserve is generally not less than 30% of the consumption.2 Fuel system
The design reserve of the unit fuel should be determined according to the demand of the platform (Renwang Island) and the actual situation of fuel supply, but it should not be less than 7 days of consumption. 3.2.2 There should be no less than two fuel storage cabinets.
3.2.3 The generator set should be equipped with a daily fuel tank. The daily fuel tank capacity of the main generator set should not be less than the fuel consumption of the generator set running for 8 hours: the daily fuel tank capacity of the emergency generator set should be set according to the fuel consumption of 18 hours.
3.3 Lubricating oil system
Oil pump.
When multiple units share a lubricating oil system, an independent standby lubrication system should be set. 3.3.2 The prime mover with a power of not less than 750kW should be equipped with a lubrication device for power pre-supply of oil, and the continuous time of the pre-supply of oil should meet the requirements of diesel engine starting. A manual pre-supply of oil lubrication pump can be set for small power diesel engines. 3.3.3 When multiple prime movers are installed, the oil drain pipes from each oil sump pipe to the lubricating oil circulation cabinet should be independent.
3.3.4 The system should be equipped with a lubricating oil storage cabinet. The design reserve of lubricating oil should be determined according to the actual situation of lubricating oil supply, and its reserve is generally not less than 30% of the consumption.
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