CN103309340A - Lubricant blending management system - Google Patents

Lubricant blending management system Download PDF

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Publication number
CN103309340A
CN103309340A CN2013102876082A CN201310287608A CN103309340A CN 103309340 A CN103309340 A CN 103309340A CN 2013102876082 A CN2013102876082 A CN 2013102876082A CN 201310287608 A CN201310287608 A CN 201310287608A CN 103309340 A CN103309340 A CN 103309340A
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blending
oil
control system
management system
distribution type
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CN2013102876082A
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陶培荣
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SHANGHAI QINGYE ENGINEERING TECHNOLOGY Co Ltd
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SHANGHAI QINGYE ENGINEERING TECHNOLOGY Co Ltd
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Priority to CN2013102876082A priority Critical patent/CN103309340A/en
Publication of CN103309340A publication Critical patent/CN103309340A/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

The invention relates to a lubricant blending management system. The management system comprises a computer distributed control system, a signal acquisition system and a filed instrument. The computer distributed control system comprises a synchronous metering blender and an automatic batch blender. The synchronous metering blender is used for feeding base oil, additives and the like, which are to be blended, into a blending tank according to formulas of different lubricant finished products and blending proportions specified in the formulas and blending the mixture uniformly through modes such as electric blending into one or more kinds of products by the aid of pump circulation. The automatic batch blender injects the base oil and additive materials successively into a blending kettle as required in the formula, and a stirrer is started to blend the mixtures uniformly through mechanical stirring. The signal acquisition system is connected with the computer distributed control system. The filed instrument is connected with the computer distributed control system through the signal acquisition system.

Description

The lube oil blending management system
Technical field
The present invention relates to the lube oil blending automatic field, especially relate to a kind of lube oil blending management system.
Background technology
Along with auto industry and Development in Machine Industry and technical progress, market is increasing to the demand of industrial lubricant, to the also constantly increase of demand of high-quality lubricating oil.Along with the engine oil new spec, appearance as U.S.'s car motor oil (PCMO) standard A PI SL/1LSAC GF-3, API SM/1LSAC GF-4 and U.S.'s heavy load diesel engine oil (HDEO) API CH-4, CI-4 standard has proposed high request at aspects such as oil body index, volatility and anti-oxidative stabilities.And along with industrial lubricant develops to directions such as long-life, energy-saving and environmental protection, oil ageing stability, volatility, viscosity index, biodegradable etc. are also had higher requirement.
For realizing the production of high-quality lubricating oil, OIL IN LUBRICATING OIL PRODUCTION merchant must be according to the lube product characteristic, selected one or more lube base oils, and adding is concentrated or even tens kinds of adjuvants, in specific blending equipment, process by certain mixing process, reach qualified lube product at last.This just needs enterprise better to grasp production technology and the technology of lubricating oil, constantly weeds out the old and bring forth the new on the basis of existing equipment, improves blending benefit, blending precision, the blending quality of lube oil blending device, improves the OIL IN LUBRICATING OIL PRODUCTION automatization level.In sum, the perfect lube oil blending management system of oil refining field urgent need one cover is realized this goal.
Summary of the invention
Technical matters to be solved by this invention provides a kind of lube oil blending management system of improvement.
The present invention is that to solve the problems of the technologies described above the technical scheme that adopts be to propose a kind of lube oil blending management system, comprise: the computer distribution type control system, be configured to comprise synchronous measurement dispenser and automatic batch dispenser, this synchronous measurement dispenser is in order to the prescription according to the different oils finished product, with base oil to be concocted, adjuvants etc. are sent in the tempering tank respectively by the blending ratio of prescription defined, relend and help the pump circulation, by modes such as electronic stirrings it is uniformly mixed into and is one or more products, this automatic batch dispenser requires to adopt base oil according to prescription, additive raw material injects blending kettle successively, turn on agitator then, by mechanical raking to mixing; Signal acquiring system connects this computer distribution type control system; And field instrument, connect this computer distribution type control system by this signal acquiring system.
In an embodiment of the present invention, this computer distribution type control system comprises: cpu controller, operator workstation, engineer work station, input and output point card, working power, printer, operator's console and uninterrupted power source, this operator workstation, engineer work station, input and output point card, printer, operator's console are connected to this cpu controller, and this working power and this uninterrupted power source are this computer distribution type control system power supply.
In an embodiment of the present invention, this cpu controller is redundant cpu controller.
In an embodiment of the present invention, this working power is the redundancy of effort power supply.
In an embodiment of the present invention, this field instrument comprises: oil tank level meter, oil tank pipeline stop valve and variable valve, oil tank temperature and upper and lower limit alarming instrument, blending kettle liquid level gauge and poidometer, quality of lubrication oil flowmeter, motor and stirring system, and lubricating oil loading system instrument.
The present invention makes it compared with prior art owing to adopt above technical scheme, has overcome long, shortcoming such as efficient is low, energy consumption is big, technology is old of traditional mixing process complex operation, later stage.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 illustrates lube oil blending management system block diagram according to an embodiment of the invention.
Fig. 2 illustrates computer distribution type control system block diagram according to an embodiment of the invention.
Embodiment
Embodiments of the invention propose a kind of lube oil blending management system (LBMS), and in order to the oil refining field, especially the lube oil blending automatic field is carried out system management.
Fig. 1 illustrates lube oil blending management system block diagram according to an embodiment of the invention.With reference to shown in Figure 1, lube oil blending management system 100 comprises computer distribution type control system (DCS) 110, signal acquiring system 120 and field instrument (Lubricants Blender Management Tation, LBT) 130 three parts.Fig. 2 illustrates computer distribution type control system block diagram according to an embodiment of the invention.With reference to shown in Figure 2, computer distribution type control system 110 can further comprise the working power 115, printer 116, operator's console 117, uninterrupted power source 118 of redundant cpu controller 111, operator workstation 112, engineer work station 113, input and output (I/O) point card 114, redundancy etc.
In Fig. 1, various field instruments 130 can be linked into computer distribution type control system 110 by acquisition subsystem 120 with 4～20mA signal of standard or the form of fieldbus.Signal acquiring system 120 can be gathered with the RTU(remote signal) be the RS-485 signal with analog-signal transitions, enter computer distribution type control system 110 by the Modbus standard.
In computer distribution type control system 110, may be configured with DCS programming configuration software and DCS operating software.
Redundant working power 115 can provide 220V alternating current and 24V direct current, is the total system power supply.
Field instrument 130 includes but not limited to following instrument:
Oil tank level meter 131: with oil tank level with high precision (± 2mm) measure and to deliver to computer distribution type control system 110 and carry out (according to gage table) and calculate, draw volumetric quantity, weight rises, fall off rate, carries out batch and concocts.
Oil tank pipeline stop valve and variable valve 132: stop valve carries out conveying and the control of all kinds of flow of lubrication by switch form; Variable valve carries out batch and flow control to lubricating oil and adjuvant.
Oil tank temperature and upper and lower limit alarming instrument 133: the control temperature is concocted, upper and lower limit controlling alarm liquid level upper and lower limit, in order to avoid cause and overflow, perhaps pump vacuumizes.
Blending kettle liquid level gauge and poidometer 134: lube oil blending is controlled all kinds of base oils, additive capacity.
Quality of lubrication oil flowmeter 135.
Motor and stirring system 136: as blending, mixer means, and control with being electrically connected.
Lubricating oil loading system instrument 137.
Computer distribution type control system 110 generally can have batch control software and use achievement in lube oil blending factory, generally select for use can the commercial FOXPRO that obtains the I/A systematic comparison reliable.
In computer distribution type control system 110, also disposed lube oil blending software package 140(Lubricants Blender Management Software Package, LBMP).Lube oil blending software package 140 is technological cores of lube oil blending management system 100, it is all carried out the whole technological process of lube oil blending and move by management software packages, and operating process, standard, rules, standard, the management of technology blending are carried out by the computing machine of computer distribution type control system 110 entirely.
Lube oil blending software package 140 is the software of writing with standard C language, and it connected with being connected with OPC communication form of computer distribution type control system 110.Lube oil blending software package 140 is by the OPC(both-way communication of computer distribution type control system 110) gather all signals and carry out computing, and import operation result into computer distribution type control system 110 again.The all operations interface shows and operation at the man machine operation interface of computer distribution type control system 110 host computers, can operate and demonstration at the active station of OPC again simultaneously.
Lube oil blending management software packages 140 can comprise various functional modules, so it is easy to operate, and flexibly, selectivity is strong.It is configured to computer distribution type control system 110 to comprise and comprises following two parts: synchronous measurement dispenser 141(Simultaneous Metering Blender, SMB) and automatic batch dispenser 142(Automatic Batch Blender, ABB).
Synchronous measurement dispenser 141 generally is 3-4 metering control system in batches.The job description of synchronous measurement dispenser 141 is as follows: in OIL IN LUBRICATING OIL PRODUCTION process in enormous quantities, prescription according to the different oils finished product, respectively send into tempering tank in by the blending ratio of prescription defined base oil to be concocted, adjuvant etc., relend and help pump circulation, by modes such as electronic stirrings it is uniformly mixed into and is one or more products.
Synchronous measurement dispenser 141 mainly is simultaneously base oil, adjuvant to be carried out charging, stirring, blending, output to each oil tank, and it is controlled and the step of concocting in batches by the stop valve flow (changing by the oil tank level meter) of 110 pairs of each oil tanks of computer distribution type control system.
Synchronous measurement dispenser 121 is formed blending system in enormous quantities with hyperchannel batch (metering) control loop and base oil oil tank, blending oil tank, discharge pump and product tank.
Can embed tank field stock control function (TIS) in the synchronous measurement dispenser 121, oil product moves approach selection function (MAS) and formulation management function (FMF), these functional modules are carried out synchronous measurement, tank blending process to lubricating oil, operating process is as follows: the quantity of single according to planning (perhaps scheduling is single) definite oil product of concocting, kind, blending, according to current oil product Inventory Performance, enter the formulation management feature operation.
If in the blending process, meet accident, require to stop in emergency operation, press the ESD function key, the blending system automatic emergency stops, specific as follows: pump trip, all operation valve apertures prevent from scurrying oil, oil leak accident, record operational factor under the predetermined safe state.
Synchronous measurement dispenser 121 utilizes multichannel flow metering, and general 3 road to No. 4 flowmeters are controlled flow (being made up of mass flowmeter and cut-out ball valve) in batches.If with a synchronous measurement dispenser 121 with 4 batch measurement channels, can carry out the injection of 4 kinds of components at most simultaneously, it can inject different tempering tanks with four kinds of components (comprising different base oils or adjuvant) synchronously simultaneously, can concoct the different lube product of kind in enormous quantities.This process may further comprise the steps:
A, carry out base oil oil tank number or adjuvant dilution trap numbering is selected according to lubricating oil kind prescription or shop order;
B, to the selection of discharge pump;
C, to the selection of flowmeter.
A, B, 3 of C have determined the selection of blending raw material approach in batches.
Synchronous measurement dispenser 121 can show a kind of batch control approach operation interface automatically, concrete quantity, numbering and opening that stop valve on concrete basic oil tank numbering, the pipeline is arranged at this operation interface, the numbering of pump and opening, the numbering of tempering tank and various operational factor.
According to synchronous measurement dispenser 121 and the oil tank management system function that embeds, on a dynamic man-machine interface, can the display base oil tank, the various dynamic real-time parameters of blending oil tank.These oil tank parameters include but not limited to: liquid level, temperature, storage oil volume, store oil product weight, oil tank level rate of change, inflow or flow out oil tank instantaneous delivery, the time function SG that chooses the limit value parameter is arranged, the control CG that chooses limit value (in batches) is arranged.
The process that the whole blending of synchronous measurement dispenser 121 is produced comprises:
1, material feeding (many batches base oil, adjuvant) is control in batches, the selection of oil product, jar, pump, flowmeter, tempering tank and the selection of pipeline approach;
2, adjuvant generally enters test tank, and tempering tank reinjects after diluting with blending base oil;
3, raw material switches;
3, blending device start;
4, blending oil tank temperature control;
5, pipeline cleans and dashes and sweep;
6, (setting of mixing time) stirred in the pulse of storage tank oil product;
7, storage tank oil product pump circulation (can select);
8,3 viscosimetric methods of storage tank after blending finishes judge whether oil product mixes;
9, print the tank blending shop order, and deposit historical archives in.
Above blending process can divide each step to carry out, in each step implementation, allow the operator according to the blending equipment running status, whether each pipeline hand valve and autovalve begin correct, pump operation situation, pipeline are carried out next step operation after selecting correct situation manually to confirm again.
This hand, the synchronous measurement dispenser 141 that combines automatically have investment saving, flexible operation, be not easy to take place mistake, to advantages such as blending equipment operation and maintenance are convenient.
Traditional mixing process is imitated in checking after tested, synchronous measurement dispenser 141 in large batch of petroleum products blending is produced can shorten 60% with the production cycle, and its precision that feeds intake also is higher than traditional metering method far away.
Automatic batch dispenser 142 require to adopt base oil, additive raw material to inject blending kettle successively according to prescription, turn on agitator then, by mechanical raking to the blending mode that mixes.Raw material metering be by on the blending kettle equipment with the Weighing element control.The upper and lower two-layer blending kettle apparatus structure that the general device that is used for the automatic batch blending adopts steel construction to support.The pre-blending kettle of adjuvant charging is positioned at the device upper strata.End still generally is used for being mixed of base oil and the big adjuvant of additional proportion, and (Drum Decanting Unit, DDU or Drum Decanting System DDS) are used for the adding of barreled adjuvant in configuration barreled adjuvant extracting unit.
Automatic batch dispenser 142 can make temperature in the kettle control in the scope that prescription requires to the temperature in the kettle control of heating blending kettle.
Automatic batch dispenser 142 has automatic startup stirring machine and mixing time control.
Automatic batch dispenser 142 has formulation management, and (this function class is similar to the function of synchronous measurement dispenser 141 for Formula Management Function, FMF) function.
Automatic batch dispenser 142 has blending shop order file administration function, can be with shop order automatic archiving, the printing of concocting at every turn.
Automatic batch dispenser 142 also has the function of stopping in emergency (ESD), meets accident in the blending process, needs the urgent blending of ending.The operative employee only need press the ESD key, and blending will stop automatically.Discharge pump, blending kettle stir, and importing and exporting operation valve etc. all can automatic stopping, and all operation valves are in the home that sets in advance.
Automatic batch dispenser 142 also can have auto-reset function.Before starting blending work, press the key that automatically resets and make automatic blending be in initial armed state, this moment operation valve in off position, pump is in halted state, meter is refitted in zero in batches.
Automatic batch dispenser 142 also can have manual handoff functionality.Manual position can be operated manually and control base oil and adjuvant in batches when manual state, and approach can manually be determined, and manually start each batch control in batches.When auto state, each batch in batches must be at the oil tank of pipe special, dedicated pump, special use.
Because automatic batch dispenser 142 is to adopt the electronic original part device of weighing charging to be controlled ratio of precision synchronous measurement dispenser 141 height that feed intake.Therefore 142 blendings of automatic batch dispenser add the many short run expensive goods blendings of component kind generally for the production of adjuvant additional proportion precision height (generally being not less than 0.1%).
The extracting to the barreled adjuvant can be realized in automatic batch dispenser 142 supporting barreled adjuvant extracting unit, self with cleaning device can realize reuse to ladle body wall built-up adjuvant, general weighing precision can reach ± 0.2KG.
Automatic batch dispenser 142 belongs to the pot type blending, it has the formulation management function, according to blending prescription and the control of temperature mixing time, calculate the requirement of various base oils and adjuvant automatically after, automatically carry out batch control, sending into one has the blending kettle that adds heat control in batches.In blending kettle, finish blending, product is chemically examined the finished product storage tank that is transported to the downstream after qualified.
Automatic batch dispenser 142 is to adopt special-purpose software package to carry out automatic feed, mixing, discharging, temperature control and cleaning function by computer distribution type control system 110, and the automaticity height can be produced high-grade special bulk article, and product turns to soon.
The automatic batch mixing process requires blending equipment dependability height, in case blending equipment fault, whole automatic batch mixing process understand and paused that also may blended product to take place defective.So automatic batch mixing process technology is to instrument for automatic control, control method quality and reliability requirement height automatically.The fully automatic system of automatic batch blending must have special-purpose basic oil tank, special-purpose blending kettle, dedicated pipeline, special-purpose automatic stop valve, special-purpose pump, therefore causes investment big.If automatic batch mixing process operation utilizes dcs to carry out automatically and manually combine, according to formulation management require to automatic batch, substep in batches, partial content carries out that manually-operated is confirmed and manually confirms, can reduce field instrument, (automatic stop valve) quantity like this, if field instrument, valve break down and can in time find in automatic batch mixing process operational process, take measures, make operation relatively flexibly with convenient like this, investment can be saved, automatic batch mixing process process operation can be carried out again.
On the whole, the synchronous measurement mixing process of above-described embodiment can be used for significantly shortening the production cycle and reducing the production run energy resource consumption with respect to traditional production technology in the blending production in enormous quantities of present medium-to-high grade lube product.The automatic batch mixing process is for the production of the top-grade lubricating oil production run of short run, multifrequency time, can give full play to that its dosage is accurate, simple to operate, raw material switches the advantage of being easy to.
The lube oil blending process of the embodiment of the invention can mutually combine synchronous measurement mixing process and automatic batch mixing process, manually combine automatically by dcs and the employing of lube oil blending management system software bag, rationally the making device production planning and sequencing can be brought into play effect more fast and efficiently surely in lube oil blending is produced.
Lube oil blending technology can according to current oil product Inventory Performance, enter the formulation management feature operation according to the quantity of planning the definite oil product concocted of list (perhaps scheduling is single), kind, blending.
At first enter the prescription menu, select the prescription list of required blending oil product.Single the going up of prescription shows base oil title, adjuvant title, mixing time, the blending temperature of concocting, and the ratio of these base oils, adjuvant injection rate IR.The operator can insert the blending population size at the prescription list, and system can generate the concrete quantity of base oil of participation blending and desired value, the actual value of control in batches automatically on prescription is single, also have the instantaneous delivery value.Batch, quantity on single by prescription is carried out in batches, is carried out step by step, operation should be according to the blending equipment running status in each step implementation, whether each pipeline manually and is automatically sent out unlatching correct, the operation conditions of pump, and the correct situation of the selection of pipeline is manually confirmed.
Then, utilize oil product to move approach according to the single step in batches of prescription and select (MAS) function that the concrete selection of oil tank, pump, flowmeter, tempering tank is determined, can show an operation interface of control in batches automatically.This operation interface should have, the approach of basic oil tank → pump → blending oil tank and the relevant controlling stop valve on this approach, perhaps manual operation stop valve, and the function of unlatching, operation is arranged, the perhaps artificial operating function of confirming.
After a kind batch operation step is finished, can carry out next operation and artificial affirmation in batches next according to the formulation management requirement.Do not influencing under the prerequisite that other oil products inject in batches, different base oils or adjuvant can inject the tempering tank operation that needs blending synchronously.
Automatic batch blending or synchronous measurement blending can be selected according to the requirement of formulation management by system, control temperature and the mixing time of tempering tank simultaneously.
In one embodiment, the operation interface of formulation management has an operation form that concrete operation steps is arranged, on operation interface according to the difference of color can know which in batches step finish, which moves is in batches carried out (flicker), which moves is not in batches also finished.
After the operator finishes by the step of prescription operation interface comprehensively, according to 3 viscosimetric methods of storage tank, judge whether oil product mixes.
Afterwards, printable tank blending shop order, and deposit historical archives in.
At last, move approach by oil product and select, qualified tempering tank oil product is sent into the finished product tank field.
In preferred embodiment, if in the blending process, meet accident, the requirement operation of stopping in emergency, can be by the ESD function key, the blending system automatic emergency stops, and detailed process is as follows: pump trip, and all operation valve apertures are under the predetermined safe state, prevent from scurrying oil, oil leak accident, the record operational factor.
The turnout of the lube oil blending management system of the embodiment of the invention is big, and the precision height pollutes and lacks, flexible operation, and selectivity is big, and traditional manually-operated process is managed by computing machine.Therefore the present invention has overcome long, shortcoming such as efficient is low, energy consumption is big, technology is old of traditional mixing process complex operation, later stage.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limiting the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claims were defined.

Claims (5)

1. lube oil blending management system comprises:
The computer distribution type control system, be configured to comprise synchronous measurement dispenser and automatic batch dispenser, this synchronous measurement dispenser is in order to the prescription according to the different oils finished product, respectively send into tempering tank in by the blending ratio of prescription defined base oil to be concocted, adjuvant etc., relend and help the pump circulation, by modes such as electronic stirrings it is uniformly mixed into and is one or more products, this automatic batch dispenser requires to adopt base oil, additive raw material to inject blending kettle successively according to prescription, turn on agitator then, by mechanical raking to mixing;
Signal acquiring system connects this computer distribution type control system; And
Field instrument connects this computer distribution type control system by this signal acquiring system.
2. lube oil blending management system as claimed in claim 1, it is characterized in that, this computer distribution type control system comprises: cpu controller, operator workstation, engineer work station, input and output point card, working power, printer, operator's console and uninterrupted power source, this operator workstation, engineer work station, input and output point card, printer, operator's console are connected to this cpu controller, and this working power and this uninterrupted power source are this computer distribution type control system power supply.
3. lube oil blending management system as claimed in claim 2 is characterized in that, this cpu controller is redundant cpu controller.
4. lube oil blending management system as claimed in claim 2 is characterized in that, this working power is the redundancy of effort power supply.
5. lube oil blending management system as claimed in claim 1, it is characterized in that, this field instrument comprises: the oil tank level meter, oil tank pipeline stop valve and variable valve, oil tank temperature and upper and lower limit alarming instrument, blending kettle liquid level gauge and poidometer, quality of lubrication oil flowmeter, motor and stirring system, and lubricating oil loading system instrument.
CN2013102876082A 2013-07-09 2013-07-09 Lubricant blending management system Pending CN103309340A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107297183A (en) * 2016-04-14 2017-10-27 北京威浦实信科技有限公司 Synchronous measurement batch mediation system and accord method
CN107362738A (en) * 2016-05-13 2017-11-21 北京威浦实信科技有限公司 Automatic batch mediation system and accord method
CN113004964A (en) * 2021-03-03 2021-06-22 中国石油化工股份有限公司 Oil film bearing oil and preparation method thereof

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107297183A (en) * 2016-04-14 2017-10-27 北京威浦实信科技有限公司 Synchronous measurement batch mediation system and accord method
CN107362738A (en) * 2016-05-13 2017-11-21 北京威浦实信科技有限公司 Automatic batch mediation system and accord method
CN107362738B (en) * 2016-05-13 2023-08-22 北京威浦实信科技有限公司 Automatic batch blending system and blending method
CN113004964A (en) * 2021-03-03 2021-06-22 中国石油化工股份有限公司 Oil film bearing oil and preparation method thereof

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Application publication date: 20130918