CN117128432A - Integrated thin oil lubrication system for large-scale air separation - Google Patents
Integrated thin oil lubrication system for large-scale air separation Download PDFInfo
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- CN117128432A CN117128432A CN202310832781.XA CN202310832781A CN117128432A CN 117128432 A CN117128432 A CN 117128432A CN 202310832781 A CN202310832781 A CN 202310832781A CN 117128432 A CN117128432 A CN 117128432A
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- 238000005461 lubrication Methods 0.000 title claims abstract description 40
- 238000000926 separation method Methods 0.000 title claims abstract description 28
- 238000012360 testing method Methods 0.000 claims abstract description 107
- 238000001816 cooling Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000003921 oil Substances 0.000 claims description 283
- 238000010438 heat treatment Methods 0.000 claims description 19
- 230000003749 cleanliness Effects 0.000 claims description 10
- 239000010687 lubricating oil Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 239000003595 mist Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 239000010724 circulating oil Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
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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
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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
- F16N23/00—Special adaptations of check valves
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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
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
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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
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/04—Arrangements for conditioning of lubricants in the lubricating system by heating
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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
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
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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
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N2039/007—Using strainers
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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
- F16N2260/00—Fail safe
- F16N2260/02—Indicating
- F16N2260/08—Pressure
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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
- F16N2280/00—Valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides an integrated thin oil lubrication system for large-scale air separation, which comprises a main machine frame, an oil supply system for supplying oil to a thin oil station, an external test device and a control center, wherein the external test device and the control center form an external loop with the thin oil station; the host is arranged outside the host frame and comprises a compressor, a motor, an air cooling system, a waterway system and a control system; the main machine frame is internally provided with a thin oil station, and oil and water pipelines between the main machine and the thin oil station are connected into a whole; the oil supply system supplies oil to an internal oil tank of the thin oil station to be tested before the test, the external test device and the thin oil station to be tested form an external loop, various parameters of the thin oil station are tested by the external test device through the circulation of oil in the test, the main test comprises parameters such as pressure, flow and temperature rise, and the control center can automatically control the whole system.
Description
Technical Field
The invention relates to a thin oil lubrication oil station system for large-scale air separation, in particular to a thin oil circulation lubrication oil station system which can integrate host equipment to carry out test and output test results.
Background
The lubricating oil station is a heart of a lubricating system of thin oil circulation, and is mainly used for forcedly pressing lubricating oil to various parts of machine friction, and is mainly used in a centralized lubricating system of dynamic and static pressure or sliding bearings of mechanical equipment such as metallurgy, mines, cement and the like, and is usually installed in an underground oil depot or pit near the machine.
At present, the domestic unit basically comprises a thin oil station and a main machine, and the defects of the split type structure are mainly as follows after long-term production practice and summary: firstly, the exchange period of host equipment (a compressor, a motor, air cooling, a waterway system, a control system and the like) and a thin oil station is different, the time for arriving at the site sequentially is different, and site constructors need to construct for many times; secondly, after the host equipment is connected with a pipeline connected with the thin oil station on site, the cleanliness is not guaranteed, and after the site construction is finished, the cleanliness is required to be tested on line; thirdly, because of more scattered parts, the split type automobile is easy to miss and miss; fourth, after the assembly of the host device and the thin oil station is completed, the problems existing in the debugging need to be eliminated one by one to formally put into production, for example, the problems encountered before the user can not be absorbed by the host, the problems of the host, the thin oil station or the problems in the connecting pipeline need to be checked, the pipe sections need to be disassembled, the assembly is carried out again, the online test is carried out again, the time and the effort are wasted, and the user can question the problems of the products. In summary, research and development of a thin oil station with an integrated structure and a control system thereof have very important significance.
Through reference, it is found that, although there are many documents related to integrated oil stations, the integrated oil stations are based on simple oil mist separation integration, skid-mounted base installation integration, high-level oil tank integration and the like, for example, patent application No. 202221965049.7 describes an integrated lubricating oil station, "201921188146.8" describes an integrated thin oil station, "202123293809.2" describes an efficient thin oil lubrication device for a steam turbine, and the like, and the integrated oil stations described in these patent documents integrate only key structures of the oil stations themselves to achieve the purposes of reducing occupied area and optimizing structures, but patent documents integrating a host machine and the oil stations are not reported. Therefore, the integrated oil station integrating the host equipment on the oil station is mainly used in a centralized lubrication system of dynamic and static pressure or sliding bearings of large-scale air separation mechanical equipment, is integrated with the host, does not need to be assembled one by a construction team on site, and meanwhile, the cleanliness of the debugged equipment meets the requirements, the lubrication flow, pressure value and the like required by the site are debugged in place, so that the manpower, financial resources and material resources are greatly saved, and the integrated oil station has wide market prospect.
Disclosure of Invention
The invention overcomes the problems in the prior art, provides a large-scale integrated thin oil lubrication system for air separation, and particularly provides an integrated host device capable of testing in a factory, and outputs a test result, and solves the problems in the split structure of the existing large-scale air separation thin oil station: such as multiple shipments, long time consumption, uncleanness, missing, misloading, and easy error of test data. Through configuration external device, establish integrated oil station work return circuit, test and obtain test parameter to integrated oil station by external device, the complete machine links, and whole process realizes the automation, satisfies integrated oil station sufficient test time, and test result is true and accurate, has compact structure, put into use fast, need not on-the-spot debugging and degree of automation characteristics such as high, but wide application in large-scale air separation oil station technical field.
The invention has the technical difficulties that the host and the oil station adopt a unified integrated structure, the integrated structure has very high requirements on the coordination degree of the host and the oil station, the requirements on the position, the structural layout, the size and the like are very high, the condition of no installation is easy to occur in simple field assembly, and the factors such as pipeline layout, oil tank position, mutual coordination dimensional accuracy control and the like between the host and the integrated oil station are required to be simulated in advance.
The technical scheme adopted for solving the technical problems is as follows: an integrated thin oil lubrication system for large-scale air separation comprises a main machine frame, an oil supply system for supplying oil to a thin oil station, an external test device and a control center, wherein the external test device and the control center form an external loop with the thin oil station; the host is arranged outside the host frame and comprises a compressor, a motor, an air cooling system, a waterway system and a control system; the main machine frame is internally provided with a thin oil station, and oil and water pipelines between the main machine and the thin oil station are connected into a whole to receive leakage of oil in the test process and residual oil in an oil tank and a pipeline in the thin oil station after the test is finished; the oil supply system supplies oil to an internal oil tank of the thin oil station to be tested before the test, the external test device and the thin oil station to be tested form an external loop, and the external test device tests various parameters of the thin oil station through the circulation of oil in the test, wherein the main test comprises parameters such as pressure, flow, temperature rise and the like; the control center automatically controls the whole system, comprises displaying and recording various test data, and sending parameters required by a user to a large display screen, wherein the display screen is positioned beside a test bed, various parameters can be visually seen when equipment is tested, the display screen is connected with a computer and a printer and is directly recorded by the computer, a performance curve is drawn, and a report is printed on site.
Preferably, the integrated thin oil lubrication system can automatically test a thin oil station, is convenient to test, has good sustainability when the continuous test time is not less than 4 hours according to the regulations, and runs parameters such as temperature rise and current of a motor, noise of a unit, time difference of pump switching in the thin oil station and the like when the motor runs for 0.5/1.0/2.0/4.0 hours under the rated requirement, and the test result is true and reliable.
Preferably, after the integrated thin oil lubrication system runs normally, the host is started, the performance parameters of the host are observed, and the whole machine can leave the factory after all data debugging is finished.
Preferably, the external test device is connected with the oil inlet and the oil outlet of the thin oil station to be tested through a connecting pipeline, the external test device comprises a flowmeter, a pressure gauge and a thermometer which are connected in series on an external loop, and a control valve is connected between the external test device and the oil supply.
Preferably, the external test device is selected according to parameters required by the test, and whether the external test device participates in the whole oil circulation or not can be controlled by controlling the valve.
Preferably, the external loop is further connected with a particle counter, the particle counter detects the cleanliness of circulating oil on line to see whether the cleanliness meets the design requirement, and then whether the operation of the thin oil station can pollute the oil can be known.
Preferably, a cut-off valve is connected between the external loop and the oil supply system, and the cut-off valve is connected with one end of an oil inlet of the thin oil station; according to the type of the lean oil station to be tested, whether an oil supply system is to be incorporated into the oil circulation or not is controlled through a cut-off valve.
Preferably, the thin oil station comprises a main oil tank, a horizontal screw pump set, a cooler, a double-cylinder filter, a double-fan oil mist separator and an energy accumulator, and is also connected with a control cabinet which is connected with the control center.
Preferably, a heating device is further connected between the main oil tank and the external loop, and the heating device is mainly used for heating oil, particularly when the oil temperature is low in winter, the heating device is used for heating the oil, so that test time is saved, and the tested oil accords with the temperature in normal operation; the best performance of the lubricating oil is about 40 ℃, so the oil temperature is controlled to 40 ℃ as much as possible for the test.
Preferably, the main frame comprises a screw pump on an integrated oil station connected with each other, the accumulator and the screw pump are directly arranged on a main chassis, and the integrated oil station is connected with the main frame.
Preferably, a differential pressure transmitter is connected between the external loop and the oil supply system; the differential pressure transmitter is used for detecting the total pressure drop of the oil station and detecting whether the connection of an external pipeline is correct or not.
The beneficial effects of the invention are as follows: the integrated thin oil lubrication system for large-scale air separation has the characteristics of compact structure, quick investment, no need of on-site debugging, high automation degree and the like, an external test device and the thin oil station to be tested form an external loop, various parameters of the thin oil station are tested through the circulation of oil in the test, parameters such as pressure, flow, temperature rise and the like are mainly tested by the external test device, the control center automatically controls the whole system, various test data are displayed and recorded simultaneously, parameters required by a user are sent to a large-scale display screen, the display screen is positioned beside a test bench, various parameters can be visually seen when the user is tested, the parameters are directly recorded by a computer, a performance curve is drawn, an on-site printing report is convenient to test, and the test result is true and reliable.
The thin oil station in the integrated thin oil lubrication system is a core component and mainly comprises an oil tank, an oil pump device, a filter (a double-cylinder fine filter, a coarse filter and a magnetic filter), a duplex oil cooler, a temperature control valve, an energy accumulator, a junction box, a pipeline, a valve and the like. During operation, oil is sucked out from the oil tank through the screw pump by the coarse filter, is directly sent to the lubrication part of the host equipment through the one-way valve, the safety valve, the duplex oil cooler, the temperature control valve, the energy accumulator and the double-cylinder fine oil filter, so that the relative movement part is lubricated, and the worn metal particles during movement are taken away, the oil return passes through the magnetic filter, the magnetic scrap iron and the abrasive are removed, the dead zone is separated by the partition plate in the tank, foam is eliminated, the oil enters the cold oil area of the oil tank, the oil is heated (not heated according to working condition requirements) in the cold oil area, and returns to the oil tank to form a thin oil circulation lubrication system. The highest working pressure of the oil station is 0.35MPa, the lowest working pressure is 0.08MPa, and the use pressure is determined by adjusting the safety valve according to the requirements of the lubricating part. When the working pressure of the oil station exceeds the set pressure of the safety valve, the safety valve is automatically opened, and the redundant oil flows back to the oil tank. The integrated oil station is used as a heart of a host compressor and a motor circulating lubrication system, and the performance and the reliability of the integrated oil station are guaranteed for the safe and reliable operation of the lubrication system, so that the integrated oil station needs to be tested and detected before the integrated oil station is put into use.
Drawings
FIG. 1 is a front view of an integrated thin oil lubrication system for large air separation in accordance with the present invention;
FIG. 2 is a side view of the integrated thin oil lubrication system for large scale air separation of the present invention;
FIG. 3 is a front view of an oil station in the large air separation integrated thin oil lubrication system of the present invention;
FIG. 4 is a left side view of an oil station in the large air separation integrated thin oil lubrication system of the present invention;
fig. 5 is a schematic diagram of the working principle of the integrated thin oil lubrication system for large-scale air separation of the invention.
In the figure: 1. the device comprises a main machine frame, 2, an oil supply system, 3, an external test device, 4, a control center, 5, a main machine, 51, a compressor, 52, a motor, 53, air cooling, 54, a waterway system, 55 and a control system; 6. the device comprises a thin oil station, 61, a main oil tank, 62, a horizontal screw pump set, 63, a cooler, 64, a double-cylinder filter, 65, a double-fan oil mist separator, 66, an energy accumulator, 67, an oil outlet pipe orifice of a spindle head pump, 68, an oil inlet pipe orifice of the spindle head pump, 69, a fixing frame, 7, an external loop, 8, a control valve, 9, a particle counter, 10, a cut-off valve, 11, a heating device, 12 and a differential pressure transmitter.
Description of the embodiments
The technical scheme of the invention is further specifically described below through specific embodiments and with reference to the accompanying drawings.
As shown in fig. 1-2, the integrated thin oil lubrication system for large-scale air separation comprises a main machine frame 1, an oil supply system 2 for supplying oil to a thin oil station, an external test device 3 forming an external loop with the thin oil station, and a control center 4; a host 5 is arranged outside the host frame 1, and the host 5 comprises a compressor 51, a motor 52, an air cooler 53, a waterway system 54 and a control system 55; the main machine frame 1 is internally provided with a thin oil station 6, and oil and water pipelines between the main machine 5 and the thin oil station 6 are connected into a whole to receive oil seepage in the test process and residual oil in an oil tank and a pipeline in the thin oil station after the test is finished; the oil supply system 2 supplies oil to an internal oil tank of the thin oil station to be tested before the test, the external test device 3 and the thin oil station to be tested form an external loop 7, and the external test device 3 tests various parameters of the thin oil station 6 through the circulation of oil in the test, wherein the main test comprises parameters such as pressure, flow, temperature rise and the like; the control center 4 automatically controls the whole system, comprises displaying and recording various test data, and sending parameters required by a user to a large display screen, wherein the display screen is positioned beside a test bed, the user can intuitively see various parameters when checking, the display screen is connected with a computer and a printer, the computer is directly used for recording, drawing a performance curve, and printing a report on site.
Further, the integrated thin oil lubrication system can automatically test the thin oil station, the test is convenient, the continuous test time is not less than 4 hours according to the rules, the sustainability is good, the parameters such as temperature rise and current of a motor, noise of a unit, time difference of pump switching in the thin oil station and the like are operated for 0.5/1.0/2.0/4.0 hours under the rated requirement, and the test result is true and reliable; specifically, after the integrated thin oil lubrication system runs normally, the host is started, the performance parameters of the host are observed, and the whole machine can leave the factory after all data debugging is completed.
Further, the external test device 3 is connected with an oil inlet and an oil outlet of the thin oil station to be tested through a connecting pipeline, the external test device 3 comprises a flowmeter, a pressure gauge and a thermometer which are connected in series on an external loop 7, and a control valve 8 is arranged between the external device and oil supply; specifically, the external test device 3 selects according to parameters required by the test, and the control valve 8 can control whether the external test device participates in the whole oil circulation.
Further, the external loop 7 is further connected with a particle counter 9, and the particle counter 9 detects the cleanliness of the circulating oil on line to see whether the cleanliness meets the design requirement or not, so that whether the operation of the thin oil station pollutes the oil can be known.
Further, a cut-off valve 10 is connected between the external loop 7 and the oil supply system 2, and the cut-off valve 10 is connected with one end of an oil inlet of the lean oil station; depending on the type of lean oil station to be tested, the oil supply system 2 is controlled by means of the shut-off valve 10, whether it is to be incorporated in the oil circuit or not.
Further, as shown in fig. 3 to 4, the thin oil station 6 includes a main oil tank 61, a horizontal screw pump set 62, a cooler 63, a dual-cylinder filter 64, a dual-fan oil mist separator 65 and an accumulator 66, wherein the main oil tank 61 is connected with the accumulator 66 through a side fixing frame 69, and the accumulator 66 is internally filled with a standby lubricating oil, so as to provide continuous lubrication supply when the thin oil station main system cannot work; the thin oil station is also connected with a control cabinet, and the control cabinet is connected with a control center of the system; specifically, the upper end of the main oil tank 61 is further provided with a spindle head pump oil outlet pipe orifice 67 and a spindle head pump oil inlet pipe orifice 68, and the height of the spindle head pump oil outlet pipe orifice 67 is higher than that of the spindle head pump oil inlet pipe orifice 68; on the one hand, the lubricating oil inlet and outlet are convenient to fixedly connect, and meanwhile, the lubricating oil outlet is smoother.
Further, a heating device 11 is further connected between the main oil tank 61 and the external loop 7, the heating device 11 is mainly used for heating oil, especially when the oil temperature in winter is low, the heating device 11 is used for heating the oil, so that the test time is saved, and the tested oil accords with the temperature in normal working; the best performance of the lubricating oil is about 40 ℃, so the oil temperature is controlled to 40 ℃ as much as possible for the test.
Further, the main frame 1 comprises screw pumps on mutually connected integrated oil stations, the accumulator and the screw pumps are directly arranged on a chassis of the main machine 5, and the thin oil station 6 is connected with the main machine 5.
Further, a differential pressure transmitter 12 is connected between the external loop 7 and the oil supply system 2; the differential pressure transmitter 12 is used for detecting the total pressure drop of the oil station, and detecting whether the connection of an external pipeline is correct or not.
As shown in fig. 5, the working principle of the integrated thin oil lubrication system for large-scale air separation of the invention is schematically shown, which comprises a main machine frame 1, an oil supply system 2, an external test device 3, a control center 4, a main machine 5, a thin oil station 6, an external loop 7, the external test device of the external loop and the control center, wherein the main machine (such as a compressor 51, a motor 52, an air cooling 53, a waterway system 54, a control system 55 and other devices) is arranged outside the main machine frame, the thin oil station 6 is arranged in the main machine frame 1, the integral hoisting is convenient, and the oil and water pipelines between the main machine 5 and the thin oil station 6 are connected into a whole; after the host 5 is installed in place, connecting the host 5 with an integrated oil station through a connecting pipeline; the external test device 3 comprises a flowmeter, a pressure gauge and a thermometer which are connected in series on an external loop, and a control valve is connected between the external test device and the oil supply; the pressure gauge adopts a pressure transmitter PT and a mechanical pressure gauge PI, and the temperature gauge adopts a temperature transmitter TE and a common temperature gauge TG; the external test device 3 further comprises a particle counter 9, the particle counter is connected with the flowmeter in parallel, and a pressure transmitter 12 is connected with the control center 4.
The main oil tank 61 is further provided with a heating device 11, when the temperature of the lubricating oil in the main oil tank 61 is too low, the heating device 11 is started first, and when the heating device 11 is heated to have a pump-on condition, a screw pump is started to perform oil-pumping test and pressure-proof test; after the pressure, flow and temperature parameters of the oil waiting system are stable, starting a host; the particle counter, the liquid level transmitter LT of the oil collecting tank, the fine oil filtering vehicle motor of the oil supply pump motor, the differential pressure transmitter and the pressure transmitter PT on the oil supply loop are all connected with the control center.
Specifically, through the main oil tank 61 with circulation inside the thin oil station 6, during test, oil is firstly supplied to the internal oil tank through an auxiliary hose connected with an oil inlet by an oil supply pump, the oil is supplied to a proper liquid level, a control valve between the oil supply pump and the auxiliary hose is closed, and an external test device 3 forms an external loop 7 with the thin oil station through two auxiliary hoses; starting the oil dilution station 6, the control center 4 obtains parameters such as pressure, flow, temperature rise, cleanliness and the like through the external test device 3, displays and records various test data, and sends parameters required by a user to the large display screen, wherein the display screen is positioned beside the test bed, the user can intuitively see various parameters when testing, and the parameters are directly recorded by a computer, and a performance curve is drawn and a report is printed on site. After the test is finished, two oil discharging modes are adopted, namely, an oil pump of a thin oil station to be tested pumps oil into a main oil tank through an external pipeline, and the rest part (which cannot be pumped by the oil pump) is discharged into an oil collecting disc; secondly, directly discharging the oil into an oil collecting disc through a drain outlet of the oil tank, and discharging the oil collecting disc to a secondary oil tank through a fine oil filtering vehicle; and an oil supply pipeline is also connected between the oil supply pump and the main oil tank, and the liquid levels of the main oil tank and the auxiliary oil tank are balanced through the oil supply pump.
The above described embodiments are only two preferred embodiments of the invention and are not intended to limit the invention in any way. All modifications directly derived or suggested to one skilled in the art from the present disclosure should be considered as being within the scope of the present invention.
Claims (10)
1. The integrated thin oil lubrication system for the large-scale air separation is characterized by comprising a main machine frame (1), an oil supply system (2) for supplying oil to a thin oil station, an external test device (3) forming an external loop with the thin oil station and a control center (4); the host machine (5) is arranged outside the host machine frame (1), and the host machine (5) comprises a compressor (51), a motor (52), an air cooling (53), a waterway system (54) and a control system (55); the device is characterized in that a thin oil station (6) is arranged in the main machine frame (1), and oil and water pipelines between the main machine (5) and the thin oil station (6) are connected into a whole to accept leakage of oil in the test process and residual oil in an oil tank and a pipeline in the thin oil station after the test is finished; the oil supply system (2) supplies oil to an internal oil tank of a thin oil station to be tested before the test, the external test device (3) and the thin oil station to be tested form an external loop (7), and the external test device (3) tests various parameters of the thin oil station (6) through the circulation of oil in the test, wherein the main test comprises parameters such as pressure, flow, temperature rise and the like; the control center (4) automatically controls the whole system, comprises displaying and recording various test data, and sending parameters required by a user to the large display screen, wherein the display screen is positioned beside the test bed, various parameters can be visually seen when equipment is tested, the display screen is connected with a computer and a printer, and the computer directly records the parameters, draws a performance curve and prints a report on site.
2. The integrated thin oil lubrication system for large-scale air separation according to claim 1, wherein the integrated thin oil lubrication system can automatically test a thin oil station, is convenient to test, has good sustainability when the continuous test time is not less than 4 hours according to a rule, and runs parameters such as temperature rise and current of a motor when 0.5/1.0/2.0/4.0 hours are operated under rated requirements, noise of a unit, time difference of pump switching in the thin oil station and the like.
3. The integrated thin oil lubrication system for large-scale air separation according to claim 2, wherein after the integrated thin oil lubrication system operates normally, a host is started, performance parameters of the host are observed, and the whole machine can be shipped after all data debugging is completed.
4. The integrated thin oil lubrication system for large-scale air separation according to claim 1, wherein the external test device (3) is connected with an oil inlet and an oil outlet of a thin oil station to be tested through a connecting pipeline, the external test device (3) comprises a flowmeter, a pressure gauge and a thermometer which are connected in series on an external loop, and a control valve is connected between the external test device and oil supply.
5. The integrated thin oil lubrication system for large-scale air separation according to claim 4, wherein the external test device (3) is selected according to parameters required by the test, and whether the external test device participates in the whole oil circulation can be controlled by controlling a valve.
6. The integrated thin oil lubrication system for large-scale air separation according to claim 1, wherein the external loop (7) is further connected with a particle counter (9), the particle counter (9) detects the cleanliness of the circulating oil on line, and whether the cleanliness meets the design requirement or not is checked, so that whether the operation of the thin oil station can pollute the oil or not can be known.
7. The integrated thin oil lubrication system for large-scale air separation according to claim 6, wherein a shut-off valve (10) is connected between the external loop (7) and the oil supply system (2), and the shut-off valve (10) is connected with one end of an oil inlet of the thin oil station (6); according to the type of the lean oil station to be tested, whether the oil supply system (2) is to be incorporated into the oil circulation or not is controlled by a cut-off valve (10).
8. The integrated thin oil lubrication system for large-scale air separation according to claim 1, wherein the thin oil station (6) comprises a main oil tank (61), a horizontal screw pump set (62), a cooler (63), a double-cylinder filter (64), a double-fan oil mist separator (65) and an energy accumulator (66), and the thin oil station (6) is further connected with a control cabinet, and the control cabinet is connected with the control center (4).
9. The integrated thin oil lubrication system for large-scale air separation according to claim 8, wherein a heating device (11) is further connected between the main oil tank (61) and the external loop (7), the heating device (11) is mainly used for heating oil, especially when the oil temperature in winter is low, the heating device (11) is used for heating the oil, so that test time is saved, the tested oil meets the temperature in normal operation, and the test temperature of the lubricating oil is controlled at 40+/-1 ℃.
10. The integrated thin oil lubrication system for large-scale air separation according to claim 1, wherein a differential pressure transmitter (12) is connected between the external circuit (7) and the oil supply system (2); the differential pressure transmitter (12) is used for detecting the total pressure drop of the oil station and detecting whether the connection of an external pipeline is correct or not.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310832781.XA CN117128432B (en) | 2023-07-08 | 2023-07-08 | Integrated thin oil lubrication system for large-scale air separation |
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| CN202310832781.XA CN117128432B (en) | 2023-07-08 | 2023-07-08 | Integrated thin oil lubrication system for large-scale air separation |
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| CN117128432A true CN117128432A (en) | 2023-11-28 |
| CN117128432B CN117128432B (en) | 2024-04-16 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003083005A (en) * | 2001-09-13 | 2003-03-19 | Ishikawajima Harima Heavy Ind Co Ltd | Lubricating oil supplying device |
| CN202946892U (en) * | 2012-08-01 | 2013-05-22 | 自贡东方过滤设备制造有限公司 | Dilute oil station of lubrication system |
| CN109141856A (en) * | 2018-09-10 | 2019-01-04 | 杭州七所科技有限公司 | Lubricating-oil Station pilot system |
-
2023
- 2023-07-08 CN CN202310832781.XA patent/CN117128432B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003083005A (en) * | 2001-09-13 | 2003-03-19 | Ishikawajima Harima Heavy Ind Co Ltd | Lubricating oil supplying device |
| CN202946892U (en) * | 2012-08-01 | 2013-05-22 | 自贡东方过滤设备制造有限公司 | Dilute oil station of lubrication system |
| CN109141856A (en) * | 2018-09-10 | 2019-01-04 | 杭州七所科技有限公司 | Lubricating-oil Station pilot system |
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| Publication number | Publication date |
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| CN117128432B (en) | 2024-04-16 |
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Denomination of invention: A large-scale integrated thin oil lubrication system for air separation Granted publication date: 20240416 Pledgee: Agricultural Bank of China Limited Hangzhou Fuyang Branch Pledgor: HANGZHOU 707 TECHNOLOGY Co.,Ltd. Registration number: Y2024980029408 |