CN106870911A - For air blower and the method for designing and device of the lubricating oil system of compressor subsidiary engine - Google Patents
For air blower and the method for designing and device of the lubricating oil system of compressor subsidiary engine Download PDFInfo
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- CN106870911A CN106870911A CN201610785397.9A CN201610785397A CN106870911A CN 106870911 A CN106870911 A CN 106870911A CN 201610785397 A CN201610785397 A CN 201610785397A CN 106870911 A CN106870911 A CN 106870911A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
- F16N7/385—Central lubrication systems
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- Control Of Positive-Displacement Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of for air blower and the method for designing of the lubricating oil system of compressor subsidiary engine, including step 10, determines the design driver of lubricating oil system；The design driver includes project information, industry design standard, the list of drum pressure fan lubricating utensil, lubricating oil physical property, flow of lubrication pressure, lubricating oil charge oil pressure, the placement location of accumulator, compressor coasting time, the building block of lubricating oil system and engineering utility condition；Step 20, carried out according to the design driver air blower, compressor subsidiary engine lubricating oil system design；The present invention can realize large blower, simplification, the intellectuality of the design work of compressor subsidiary engine lubricating oil system.
Description
Technical field
The present invention relates to mechanical design field, and in particular to a kind of for air blower and the lubricating oil system of compressor subsidiary engine
Method for designing and device.
Background technology
Prior art lacks the technology that the lubricating oil system of air blower and compressor subsidiary engine is realized in a kind of integration, needs badly open
Hair.
The content of the invention
An object of the present invention is the side of the lubricating oil system that can realize integrated design air blower and compressor subsidiary engine
Method and its device.
According to an aspect of the present invention, there is provided a kind of design for air blower and the lubricating oil system of compressor subsidiary engine
Method, including：
Step 10, the design driver for determining lubricating oil system；The design driver includes project information, industry
Design standard, the list of drum pressure fan lubricating utensil, lubricating oil physical property, flow of lubrication pressure, lubricating oil charge oil pressure, accumulator
Placement location, compressor coasting time, the building block of lubricating oil system and engineering utility condition；The lubricating oil system is used
In air blower and compressor subsidiary engine；The project information includes user's name, item address, project name, bullets and dress
Put title；
The industry design standard is included for the standard ordered by the API614 fourth editions of lubricating oil system and the 5th edition, right
In the GB and API standard of lubricating oil system parts；The lubricating oil system parts
Bulging pressure fan lubricating utensil list includes compressor thrust bearing, compressor rolling bearing, gear-box and increasing
Press；
The lubricating oil physical property includes viscosity, specific heat and density；Flow of lubrication pressure includes lubricating oil needed for described
Flow and pressure；
The lubricating oil system building block is chosen and is to determine that the part of lubricating oil system is constituted；The engineering utility condition
Refer to the Complete sets of a project design basis conditions such as cooling water, source nitrogen, low tension；
Step 20, carried out according to the design driver air blower, compressor subsidiary engine lubricating oil system design；The drum
Blower fan, the design of compressor subsidiary engine lubricating oil system include determining caliber by flow relocity calculation, determine that oil pump is defeated by pressure drop calculating
Go out pressure, oil pump design, the design of pipe design pressure, oil strainer, top petrol tank design, accumulator designs, thermodynamic computing, oil
Case design, heater design, safety valve calculate design.
According to another aspect of the present invention, a kind of setting for lubricating oil system for air blower and compressor subsidiary engine is also provided
Counter device, it includes：
Design parameter determining module, determines the design driver of lubricating oil system；The design driver includes item
Mesh information, industry design standard, the list of drum pressure fan lubricating utensil, lubricating oil physical property, flow of lubrication pressure, lubricating oil fuel feeding
Pressure, the placement location of accumulator, compressor coasting time, the building block of lubricating oil system and engineering utility condition；It is described
Lubricating oil system is used for air blower and compressor subsidiary engine；The project information include user's name, item address, project name,
Bullets and device name；
The industry design standard is included for the standard ordered by the API614 fourth editions of lubricating oil system and the 5th edition, right
In the GB and API standard of lubricating oil system parts；The lubricating oil system parts
Bulging pressure fan lubricating utensil list includes compressor thrust bearing, compressor rolling bearing, gear-box and increasing
Press；
The lubricating oil physical property includes viscosity, specific heat and density；Flow of lubrication pressure includes lubricating oil needed for described
Flow and pressure；
The lubricating oil system building block is chosen and is to determine that the part of lubricating oil system is constituted；The public bar of engineering
Part refers to the Complete sets of a project design basis condition such as cooling water, source nitrogen, low tension；
Design module, air blower, the design of compressor subsidiary engine lubricating oil system are carried out according to the design driver；It is described
Air blower, the design of compressor subsidiary engine lubricating oil system are included determining caliber by flow relocity calculation, determination oil pump are calculated by pressure drop
Output pressure, oil pump design, the design of pipe design pressure, oil strainer, top petrol tank design, accumulator designs, thermodynamic computing,
Tank design, heater design, safety valve calculate design.
Air blower and the method and its device of the lubricating oil system of compressor subsidiary engine that the present invention is provided, can realize air blower
And the integrated design of the lubricating oil system of compressor subsidiary engine, it is to avoid the duplication of labour, it is input into a basic data, you can enter repeatedly
Row data referencing and output.In addition, critical data, calculating process write into software backstage, fundamentally also prevent leakage of data.
Figure of description
Fig. 1 is the flow chart of the method for the lubricating oil system of air blower provided in an embodiment of the present invention and compressor subsidiary engine；
Fig. 2 is the apparatus structure block diagram of the lubricating oil system of air blower provided in an embodiment of the present invention and compressor subsidiary engine.
Specific embodiment
It is provided in an embodiment of the present invention for air blower and the design side of the lubricating oil system of compressor subsidiary engine referring to Fig. 1
Method, including：
Step 10, the design driver for determining lubricating oil system；The design driver includes project information, industry
Design standard, the list of drum pressure fan lubricating utensil, lubricating oil physical property, flow of lubrication pressure, lubricating oil charge oil pressure, accumulator
Placement location, compressor coasting time, the building block of lubricating oil system and engineering utility condition；The lubricating oil system is used
In air blower and compressor subsidiary engine.
Wherein, project information includes that user's name, item address, project name, bullets, Contract NO, quotation are compiled
Number, device name, version information, design, check and correction, examination ＆ verification：Output is in outsourcing piece agreement, single instrument control contact, consumption table, device
Table, API614 tables of data, petrol station valuation list, the relevant user information of petrol station specification；
Industry design standard is included for the standard ordered by the API614 fourth editions of lubricating oil system and the 5th edition, for profit
The GB and API standard of oil system parts, GB/T 151, GB/T 28574, GB/T10886, GB/T5171, API6144TH,
API614 5TH, API676, API610, API526 etc..
The list of drum pressure fan lubricating utensil includes compressor thrust bearing, compressor rolling bearing, gear-box and supercharger.
Lubricating oil physical property includes viscosity, specific heat and density；Flow of lubrication pressure includes the flow of lubricating oil needed for described
And pressure.
Lubricating oil system building block is chosen and is to determine that the part of lubricating oil system is constituted；The engineering utility condition refers to cold
But the Complete sets of a project such as water, source nitrogen, low tension design basis condition, for example, cooling water intake pressure, temperature, pressure of return water, temperature
Degree, nitrogen temperature pressure, low pressure piezoelectric voltage, frequency, the number of phases, steam pressure, temperature etc..
Step 20, carried out according to the design driver air blower, compressor subsidiary engine lubricating oil system design；The drum
Blower fan, the design of compressor subsidiary engine lubricating oil system include determining caliber by flow relocity calculation, determine that oil pump is defeated by pressure drop calculating
Go out pressure, oil pump design, the design of pipe design pressure, oil strainer, top petrol tank design, accumulator designs, thermodynamic computing, oil
Case design, heater design, safety valve calculate design.
Wherein, determine that caliber includes by flow relocity calculation in step 20：
Industry design standard (the i.e. API614 4 first according to step is 10THOr API6145TH) regulation flow velocity model
Enclose and calculate caliber with lubricants capacity, computing formula is as follows：
Wherein, d is caliber, and q is lubricants capacity, and v is lubrication oil flow rate；
Then the pipeline drift diameter adjacent with above formula d specifications is adjusted, checking computations is iterated to flow velocity, adjusted to industry design mark
In the flow rates of quasi- regulation.
Wherein, calculated by pressure drop in step 20 and determine that fuel pump output pressure includes：
The part for producing pressure drop is determined；The part for producing pressure drop includes pipeline, valve, oil cooler tube side, oil
Filter cartridge and temperature-sensing valve；
The design maximum pressure drop for determining to produce the part of pressure drop to produce in the process of running is carried out into algebraical sum computing, as
Fuel pump outlet to lubricating oil oil-feed port overall presure drop Δ P；
Algebraical sum is asked to obtain oil pump minimum output pressure the lubricating oil charge oil pressure in step 10 and overall presure drop Δ P；
It is determined that more than the oil pump minimum output pressure pressure as fuel pump output pressure Pnorm.
Wherein, the design of oil pump described in step 20 includes the design of grease pump and emergency bearing oil pump；
The grease pump design includes：
The grease pump design includes：
In the fuel pump output pressure Pnorm, at 65 ± 5 DEG C, row coefficient is entered to the total oil mass of lubricating oil according to API614 regulations
Adjustment, so that it is determined that oil pump minimum output flow is Q0；
It is determined that being more than and closest to Q0Oil pump model as selected grease pump, according to the fuel pump output pressure
PnormDetermine the output flow Q at 65 ± 5 DEG C1；
Calculate safety valve opening pressure PPSV, PPSV=max [(Pnorm+0.17), 1.1 × Pnorm], and according to institute
State PPSVDetermine the output flow Q under lubricating oil system minimum temperature2；
Calculate the pressure P of 100% full-gearPSV standard-sized sheets, PPSV standard-sized sheets=1.1 × PPSV, and according to the PPSV standard-sized sheetsIt is determined that lubrication
Output flow Q under oil system minimum temperature3；
According to PnormNumerical value takes maximum after numerical value and PPSV standard-sized sheet coefficient adjustments after coefficient adjustment, determines that grease pump drives
The power P M, PM=max [Pnorm × N, PPSV standard-sized sheet × N] of dynamic motor, the wherein value of N coefficients depend on Pnorm and
PPSV standard-sized sheets.For example, when Pnorm is less than 5KW, N is 1.25；When Pnorm is less than 10KW more than 5KW, N is 1.2；Pnorm is more than
When 10KW is less than 50KW, N is 1.15；When Pnorm is more than 50KW, N is 1.1.
Have the curve map of tables of data and each discrete point fitting of pressure flow Q in oil pump product sample, the value of Q0 be in order to
Q1 is chosen, and the value of Q1, Q2, Q3 can be by tables of data or curve map Pnorm, PPSV、PPSV standard-sized sheetsTo obtain.
The emergency bearing oil pump design includes：
According to the effect of emergency bearing oil pump, pressure P ' and oil mass needed for its accident condition are determined；The effect of the emergency bearing oil pump
Used including accident fuel feeding, cleaning turbine rotor is used and jiggering is cooled down and used；
In the P ', at 65 ± 5 DEG C, coefficient adjustment is carried out to accident oil mass according to API614 regulations, so that it is determined that oil pump
Minimum output flow is Q ' 0；
It is determined that the oil pump model more than and closest to Q ' 0 is exported according to the oil pump and pressed as selected emergency bearing oil pump
Power P ' determines the output flow Q ' 1 at 65 ± 5 DEG C；
Calculate safety valve opening pressure P 'PSV=max [(P '+0.17), 1.1 × P '], and according to the P 'PSVIt is determined that profit
Output flow Q ' under oil system minimum temperature2；
Calculate the pressure P ' of 100% full-gearPSV standard-sized sheets=1.1 × P 'PSV, and according to the P 'PSV standard-sized sheetsDetermine lubricating oil system
Output flow Q ' under system minimum temperature3；
Maximum is taken according to numerical value after numerical value after P ' coefficient adjustments and P ' PSV coefficient adjustments, determines that grease pump drives electricity
The power P M ' of machine；
PM=max [P ' × N, P ' PSV standard-sized sheets × N], wherein, the value of N coefficients depends on P ' and P ' PSV.
Have the curve map of tables of data and each discrete point fitting of pressure flow Q in oil pump product sample, the value of Q ' 0 be for
Selection Q ' 1, and the value of Q ' 1, Q ' 2, Q ' 3 can be by tables of data or curve map P ' norm, P 'PSV、P’PSV standard-sized sheetsTo obtain.
Wherein, pipe design pressure described in step 20 includes
According to the building block of the lubricating oil system in step 10, determine oil pump for screw pump, gear pump or from
Heart pump；
When for screw pump or gear pump, pipe design pressure Pd=Pnorm+max (Pnorm × 0.2,0.3)；
When for centrifugal pump, pipe design pressure Pd=Pnorm+0.1.
Wherein, the design of oil strainer described in step 20 includes lubricating oil filter, control oil strainer and accident oil mistake
The design of filter；
The lubricating oil filter design is to determine the filter core quantity of lubricating oil filter, the filter of the lubricating oil filter
Core quantity nLThe upward roundings of=(a × QL/Qf), a is load, the QfIt is filter insert under maximum differential pressure state
Circulation, the QLIt is the total oil mass of lubricating oil in flow of lubrication pressure in the step 10；
The control oil strainer design includes determining the filter core quantity of control oil strainer, the control oil strainer
Filter core quantity nCThe upward rounding of=(a × Q controls/Qf), a is load, the QfIt is filter insert under maximum differential pressure state
Circulation, the QControlIt is the total oil mass of control oil in flow of lubrication pressure in the step 10；
The accident oil strainer includes the filter core quantity of determination accident oil strainer, the filter core of the accident oil strainer
The upward roundings of quantity nE=(a × QE/Qf), a is load, and the Qf is stream of the filter insert under maximum differential pressure state
Flux, the QEIt is the total oil mass of control oil in accident oil flow pressure in the step 10.
Wherein, the design of top petrol tank described in step 20 includes:
Determine accident volume V1, the accident volume V1=T1×0.5×QL；When the T1 is the compressor running down of input
Between or project information requirement accident supply time, the QLIt is the total oil mass of lubricating oil；
Determine the volume of top petrol tank, the volume of the top petrol tank is more than V1.
Wherein, accumulator designs include described in step 20：
Determine cold oil minimum volume V needed for accumulatormin, the Vmin=Δs V × (P1/P0) ^ (1/g)/1- (P1/P2) ^
(1/g)；
Determine cold oil maximum volume V needed for accumulatormax, the Vmax=Vmin × Tmax/Tmin；
It is determined that oily volume Δ V, the Δ V=4 × QL；
The P1It is lubricating oil system system minimum pressure, the P2Accumulator inlet pressure, described during for standby pump startup
P0It is effective the blowing pressure, the g is gas adiabatic coefficent, the TminIt is accumulator precharge of gas minimum temperature, the Tmax
Medium maximum temperature when being run for lubricating oil system；The QLIt is the total oil mass of lubricating oil；
According to VmaxThe upward rounding selection accumulator engineering volume of numerical value.It is accurate in order to ensure, using the accumulator for having selected
Engineering volume is iterated computing to verify to its actual oil drain quantity.
Wherein, thermodynamic computing is to utilize Capture window handle, com component handle technology in step 20, can be by software base
Plinth data (for example, the medium of shell side and tube side, and medium the temperature and pressure for entering and going out, design maximum pressure drop respectively, school
The structured datas such as deflection plate number, cutting rate in kernel normal form) export to development HTRI, carry out heating power meter using HTRI
Calculate, and catch the result of calculation of HTRI, so as to draw water consumption, cooling water water speed, area margin.
Wherein, tank design enters according to " design standard " in " top petrol tank design " and " design input " in step 20
Row data point reuse, carries out volume primary Calculation according to top petrol tank volume and design standard first.Primary Calculation includes：If choosing
The petrol station of API614 standards is selected, then primary Calculation volume of fuel tank Q '=(T1 × 0.5+8+1) × QL, the T1 is top petrol tank thing
Therefore supply time, the QLIt is lubricating oil total amount.If selecting the petrol station of non-API614 standards, Q '=A × QL, A therein can
To be manually entered.
Secondly, when the result in " checks of API614 volumes " do not meet API614 specify " fuel tank free area should be just
During lower 60 square centimeters of every liter per minute of normal flow " (the non-selected API614 of design standard then ignores this step), by lubricating lubricating pad
Oil mass is adjusted, and when result has passed through " check of API614 volumes " and space rate is controlled 5%~10%, current design is
Rationally, otherwise need to change tank design volume and pad oil mass to carry out interative computation again.
Wherein, the design of heater described in step 20 includes electric heater design or steam heater design；Design includes
It is determined that heat Qa, side plate required for heating oil and the extraneous heat Qb for exchanging, heat temperature difference T, electric heater minimum power,
Logarithmic mean temperature Δ Tm, unit interval heat exchange amount Qc and heat exchange area S1；
Qa=V4 × the γ × Cp × Δ T,
Qb=S × the Ks × T × Δ T,
The Δ T=T2-T1, wherein, Cp is lubricating oil specific heat, and γ is lubrication oil density, and T specifies for industry design standard
Heat time, T1It is environment minimum temperature, T2It is minimum driving temperature, Δ T is the heating temperature difference, and Ks is fuel tank side board and the external world
Heat exchange coefficient, S is fuel tank side surface area and V4 is tank filling amount；
The electric heater minimum power Nheater=1.15 × (Qa+Qb)/T/1000 × γ；
The logarithmic mean temperature Δ Tm is calculated by below equation and obtained：
Δ T1=T3-T1,
Δ T2=T3-T2,
Δ Tm=(Δ T1- Δ T2)/ln (Δ T1/ Δ T2),
Unit interval heat exchange amount Qc=(the Qa+Qb)/T,
The heat exchange area S1=Qc/ (Δ Tm × K),
Steam heater steam consumption quantity Qs=1.25 × Qc/K1,
Wherein, Qc is unit time heat exchange amount, and S1 heat exchange areas, T3 is saturated vapor temperature, and K1 is saturated vapor vapour
Change heat, K is the heater coefficient of heat transfer.
Wherein, safety valve described in step 20 calculates design includes that lubricating oil relief valve design and accident oil safety valve set
Meter；Wherein, lubricating oil relief valve design includes determining flow area and Methods of Safety Valve Discharge Capacity needed for safety valve；
Flow area needed for the safety valve
The Methods of Safety Valve Discharge CapacityThe γ is
Lubrication oil density, q is that Pdr is specified discharge pressure, and Pb is back pressure, and the Kd is that Kw is that Kc is that Kv is.
Step 30, by design output determined by step 20.Furthermore it is also possible to export outsourcing piece agreement, instrument control contact it is single,
Consumption table/device table, API614 tables of data, petrol station valuation list and petrol station specification.
A kind of design for air blower and the lubricating oil system of compressor subsidiary engine is provided referring to Fig. 2, the embodiment of the present invention
Device, it includes design parameter determining module 10 ', design module 20 ' and design output module 30 '.
Wherein, design parameter determining module 10 ', determines the design driver of lubricating oil system；The design input ginseng
Number includes project information, industry design standard, the list of drum pressure fan lubricating utensil, lubricating oil physical property, flow of lubrication pressure, profit
Lubricating oil charge oil pressure, the placement location of accumulator, compressor coasting time, the building block of lubricating oil system and the public bar of engineering
Part；The lubricating oil system is used for air blower and compressor subsidiary engine；The project information includes user's name, item address, item
Mesh title, bullets and device name；
The industry design standard is included for the standard ordered by the API614 fourth editions of lubricating oil system and the 5th edition, right
In the GB and API standard of lubricating oil system parts；The lubricating oil system parts
Bulging pressure fan lubricating utensil list includes compressor thrust bearing, compressor rolling bearing, gear-box and increasing
Press；
The lubricating oil physical property includes viscosity, specific heat and density；Flow of lubrication pressure includes lubricating oil needed for described
Flow and pressure；
The lubricating oil system building block is chosen and is to determine that the part of lubricating oil system is constituted；The engineering utility condition
Refer to the Complete sets of a project design basis conditions such as cooling water, source nitrogen, low tension；
Design module 20 ', air blower, the design of compressor subsidiary engine lubricating oil system are carried out according to the design driver；
The air blower, the design of compressor subsidiary engine lubricating oil system include determining caliber by flow relocity calculation, calculate determination by pressure drop
Fuel pump output pressure, oil pump design, the design of pipe design pressure, oil strainer, top petrol tank design, accumulator designs, heating power
Calculating, tank design, heater design, safety valve calculate design.
The design of the design output design generation of module 20 of output module 30 ', and outsourcing piece agreement, instrument control connection can also be exported
System's list, consumption table/device table, API614 tables of data, petrol station valuation list and petrol station specification.
Provided by the present invention for air blower and the method for designing and device of the lubricating oil system of compressor subsidiary engine, realize
Large blower, simplification, the intellectuality of the design work of compressor subsidiary engine lubricating oil system；Input scheme of foundation design data it
Afterwards, calculating, type selecting, data check, the output of design summary, the outsourcing piece technology association of each parts of lubricating oil system can be automatically performed
View generation, the single output of API614 tables of data Auto-writing, instrument control contact, the output of lubricating oil system water, electricity and gas consumption list, profit
Oil system price list (technology quotation), lubricating oil system specification etc. are a series of to need what is carried out to answer in product design process
General labourer makees, and the work such as complicated data calculating, Scheme Choice, document output is thoroughly simplified, it is possible to reduce designer
Design pressure, while reduce error probability, substantially increase design efficiency, reduce design cost.The present invention is applied to
The lubricating oil system design of API614 standards and non-API614 standards.
Claims (11)
1. a kind of for air blower and the method for designing of the lubricating oil system of compressor subsidiary engine, it is characterised in that including：
Step 10, the design driver for determining lubricating oil system；The design driver includes project information, industry design
Standard, drum pressure fan lubricating utensil list, lubricating oil physical property, flow of lubrication pressure, lubricating oil charge oil pressure, accumulator are put
Seated position, compressor coasting time, the building block of lubricating oil system and engineering utility condition；The lubricating oil system is used to rouse
Blower fan and compressor subsidiary engine；The project information includes user's name, item address, project name, bullets and device name
Claim；
The industry design standard is included for the standard ordered by the API614 fourth editions of lubricating oil system and the 5th edition, for profit
The GB and API standard of oil system parts；
Bulging pressure fan lubricating utensil list includes compressor thrust bearing, compressor rolling bearing, gear-box and supercharger；
The lubricating oil physical property includes viscosity, specific heat and density；Flow of lubrication pressure includes the flow of lubricating oil needed for described
And pressure；
The lubricating oil system building block is chosen and is to determine that the part of lubricating oil system is constituted；The engineering utility condition refers to cold
But the Complete sets of a project such as water, source nitrogen, low tension design basis condition；
Step 20, carried out according to the design driver air blower, compressor subsidiary engine lubricating oil system design；The air blast
Machine, the design of compressor subsidiary engine lubricating oil system are included determining caliber by flow relocity calculation, determination oil pump output are calculated by pressure drop
Pressure, oil pump design, the design of pipe design pressure, oil strainer, top petrol tank design, accumulator designs, thermodynamic computing, fuel tank
Design, heater design, safety valve calculate design.
2. method according to claim 1, it is characterised in that described to determine that caliber includes by flow relocity calculation：
The flow rates and lubricants capacity that industry design standard specifies first according to step is 10 calculate caliber, computing formula
It is as follows：
Wherein, d is caliber, and q is lubricants capacity, and v is lubrication oil flow rate；
Then the pipeline drift diameter adjacent with above formula d specifications is adjusted, checking computations is iterated to flow velocity, adjusted to industry design standard rule
In fixed flow rates.
3. method according to claim 1, it is characterised in that described calculating by pressure drop determines fuel pump output pressure bag
Include：
The part for producing pressure drop is determined；The part for producing pressure drop includes pipeline, valve, oil cooler tube side, oil filtering
Device fuse and temperature-sensing valve；
The design maximum pressure drop for determining to produce the part of pressure drop to produce in the process of running is carried out into algebraical sum computing, as oil pump
It is exported to the overall presure drop Δ P of lubricating oil oil-feed port；
Algebraical sum is asked to obtain oil pump minimum output pressure the lubricating oil charge oil pressure in step 10 and overall presure drop Δ P；
It is determined that more than the oil pump minimum output pressure pressure as fuel pump output pressure Pnorm.
4. method according to claim 3, it is characterised in that the oil pump design includes grease pump and emergency bearing oil pump
Design；
The grease pump design includes：
In the fuel pump output pressure Pnorm, at 65 ± 5 DEG C, coefficient adjustment is carried out to the total oil mass of lubricating oil according to API614 regulations,
So that it is determined that oil pump minimum output flow is Q0；
It is determined that being more than and closest to Q0Oil pump model as selected grease pump, according to the fuel pump output pressure Pnorm
Determine the output flow Q at 65 ± 5 DEG C1；
Calculate safety valve opening pressure PPSV, PPSV=max [(Pnorm+0.17), 1.1 × Pnorm], and according to the PPSV
Determine the output flow Q under lubricating oil system minimum temperature2；
Calculate the pressure P of 100% full-gearPSV standard-sized sheets, PPSV standard-sized sheets=1.1 × PPSV, and according to the PPSV standard-sized sheetsDetermine lubricating oil system
Output flow Q under system minimum temperature3；
According to PnormNumerical value takes maximum after numerical value and PPSV standard-sized sheet coefficient adjustments after coefficient adjustment, determines that grease pump drives electricity
The power P M of machine,
PM=max [Pnorm × N, PPSV standard-sized sheet × N], the wherein value of N coefficients depend on Pnorm and PPSV standard-sized sheets；
The emergency bearing oil pump design includes：
According to the effect of emergency bearing oil pump, pressure P ' and oil mass needed for its accident condition are determined；The effect of the emergency bearing oil pump includes
Accident fuel feeding is used, cleaning turbine rotor is used and jiggering is cooled down and used；
In the P ', at 65 ± 5 DEG C, coefficient adjustment is carried out to accident oil mass according to API614 regulations, so that it is determined that oil pump is minimum
Output flow is Q ' 0；
It is determined that the oil pump model more than and closest to Q ' 0 is used as selected emergency bearing oil pump, according to the fuel pump output pressure P '
Determine the output flow Q ' 1 at 65 ± 5 DEG C；
Calculate safety valve opening pressure P 'PSV=max [(P '+0.17), 1.1 × P '], and according to the P 'PSVDetermine lubricating oil
Output flow Q ' under system minimum temperature2；
Calculate the pressure P ' of 100% full-gearPSV standard-sized sheets=1.1 × P 'PSV, and according to the P 'PSV standard-sized sheetsDetermine lubricating oil system most
Output flow Q ' under low temperature3；
Maximum is taken according to numerical value after numerical value after P ' coefficient adjustments and P ' PSV coefficient adjustments, grease pump motor is determined
Power P M '；
PM=max [P ' × N, P ' PSV standard-sized sheets × N], wherein, the value of N coefficients depends on P ' and P ' PSV.
5. method according to claim 1, it is characterised in that the pipe design pressure includes
According to the building block of the lubricating oil system in step 10, determine that oil pump is screw pump, gear pump or centrifugal pump；
When for screw pump or gear pump, pipe design pressure Pd=Pnorm+max (Pnorm × 0.2,0.3)；
When for centrifugal pump, pipe design pressure Pd=Pnorm+0.1.
6. method according to claim 1, it is characterised in that the oil strainer design includes lubricating oil filter, controls
The design of liquefaction filter and accident oil strainer；
The lubricating oil filter design is to determine the filter core quantity of lubricating oil filter, the filter core number of the lubricating oil filter
Amount nLThe upward roundings of=(a × QL/Qf), a is load, the QfIt is circulation of the filter insert under maximum differential pressure state
Amount, the QLIt is the total oil mass of lubricating oil in flow of lubrication pressure in the step 10；
The control oil strainer design includes determining the filter core quantity of control oil strainer, the filter core of the control oil strainer
Quantity nCThe upward rounding of=(a × Q controls/Qf), a is load, the QfIt is stream of the filter insert under maximum differential pressure state
Flux, the QControlIt is the total oil mass of control oil in flow of lubrication pressure in the step 10；
The accident oil strainer includes the filter core quantity of determination accident oil strainer, the filter core quantity of the accident oil strainer
The upward roundings of nE=(a × QE/Qf), a is load, and the Qf is circulation of the filter insert under maximum differential pressure state
Amount, the QEIt is the total oil mass of control oil in accident oil flow pressure in the step 10.
7. method according to claim 1, it is characterised in that the top petrol tank design includes:
Determine accident volume V1, the accident volume V1=T1×0.5×QL；The T1 is compressor coasting time or the item of input
The accident supply time of mesh information requirements, the QLIt is the total oil mass of lubricating oil；
Determine the volume of top petrol tank, the volume of the top petrol tank is more than V1.
8. method according to claim 1, it is characterised in that the accumulator designs include：
Determine cold oil minimum volume V needed for accumulatormin, the Vmin=Δs V × (P1/P0) ^ (1/g)/1- (P1/P2) ^ (1/
g)；
Determine cold oil maximum volume V needed for accumulatormax, the Vmax=Vmin × Tmax/Tmin；
It is determined that oily volume Δ V, the Δ V=4 × QL；
The P1It is lubricating oil system system minimum pressure, the P2Accumulator inlet pressure during for standby pump startup, the P0For
Effective the blowing pressure, the g is gas adiabatic coefficent, the TminIt is accumulator precharge of gas minimum temperature, the TmaxIt is profit
Medium maximum temperature when oil system is run；The QLIt is the total oil mass of lubricating oil；
According to VmaxThe upward rounding selection accumulator engineering volume of numerical value.
9. method according to claim 1, it is characterised in that the heater design includes that electric heater is designed or steam
Heater is designed；Design the heat Qa required for including determination heating oil, side plate and the extraneous heat Qb for exchanging, heat temperature difference
T, electric heater minimum power, logarithmic mean temperature Δ Tm, unit interval heat exchange amount Qc and heat exchange area S1；
Qa=V4 × the γ × Cp × Δ T,
Qb=S × the Ks × T × Δ T,
The Δ T=T2-T1, wherein, Cp is lubricating oil specific heat, and γ is lubrication oil density, and T is adding for industry design standard regulation
Hot time, T1It is environment minimum temperature, T2It is minimum driving temperature, Δ T is the heating temperature difference, and Ks is that fuel tank side board is handed over extraneous heat
Coefficient is changed, S is fuel tank side surface area and V4 is tank filling amount；
The electric heater minimum power Nheater=1.15 × (Qa+Qb)/T/1000 × γ；
The logarithmic mean temperature Δ Tm is calculated by below equation and obtained：
Δ T1=T3-T1,
Δ T2=T3-T2,
Δ Tm=(Δ T1- Δ T2)/ln (Δ T1/ Δ T2),
Unit interval heat exchange amount Qc=(the Qa+Qb)/T,
The heat exchange area S1=Qc/ (Δ Tm × K),
Steam heater steam consumption quantity Qs=1.25 × Qc/K1,
Wherein, Qc is unit time heat exchange amount, and S1 heat exchange areas, T3 is saturated vapor temperature, and K1 is saturated vapor heat of vaporization,
K is the heater coefficient of heat transfer.
10. method according to claim 1, it is characterised in that the safety valve calculates design includes lubricating oil safety valve
Design and accident oil relief valve design；Wherein, lubricating oil relief valve design includes determining flow area and safety needed for safety valve
Valve discharge capacity；
Flow area needed for the safety valve
The Methods of Safety Valve Discharge CapacityThe γ is lubrication
Oil density, q is lubricating oil total flow, and Pdr is specified discharge pressure, and Pb is back pressure, and the Kd is that Kw is that Kc is that Kv is.
11. is a kind of for air blower and the design device of the lubricating oil system of compressor subsidiary engine, it is characterised in that including：
First design module, determines the design driver of lubricating oil system；The design driver includes project information, OK
Industry design standard, the list of drum pressure fan lubricating utensil, lubricating oil physical property, flow of lubrication pressure, lubricating oil charge oil pressure, accumulation of energy
The placement location of device, compressor coasting time, the building block of lubricating oil system and engineering utility condition；The lubricating oil system
For air blower and compressor subsidiary engine；The project information include user's name, item address, project name, bullets and
Device name；
The industry design standard is included for the standard ordered by the API614 fourth editions of lubricating oil system and the 5th edition, for profit
The GB and API standard of oil system parts；The lubricating oil system parts
Bulging pressure fan lubricating utensil list includes compressor thrust bearing, compressor rolling bearing, gear-box and supercharger；
The lubricating oil physical property includes viscosity, specific heat and density；Flow of lubrication pressure includes the flow of lubricating oil needed for described
And pressure；
The lubricating oil system building block is chosen and is to determine that the part of lubricating oil system is constituted；The engineering utility condition refers to cold
But the Complete sets of a project such as water, source nitrogen, low tension design basis condition；
Second design module, air blower, the design of compressor subsidiary engine lubricating oil system are carried out according to the design driver；It is described
Air blower, the design of compressor subsidiary engine lubricating oil system are included determining caliber by flow relocity calculation, determination oil pump are calculated by pressure drop
Output pressure, oil pump design, the design of pipe design pressure, oil strainer, top petrol tank design, accumulator designs, thermodynamic computing,
Tank design, heater design, safety valve calculate design.
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