CN102011929B - Vacuum pump lubricant purifying device and method for purifying lubricant by using same - Google Patents
Vacuum pump lubricant purifying device and method for purifying lubricant by using same Download PDFInfo
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- CN102011929B CN102011929B CN201010520302.3A CN201010520302A CN102011929B CN 102011929 B CN102011929 B CN 102011929B CN 201010520302 A CN201010520302 A CN 201010520302A CN 102011929 B CN102011929 B CN 102011929B
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Abstract
The invention discloses a vacuum pump lubricant purifying device and a method for purifying lubricant by using the same. The device comprises a vacuum pump (1), a primary separator (2), a heavy component cooler (3) and a heavy component filter (4), wherein lubricant is filled in the vacuum pump (1); the lubricant inlet (21) of the primary separator (2) is connected with the lubricant outlet (11) of the vacuum pump (1); the inlet (31) of the heavy component cooler (3) is connected with a heavy component outlet (22) formed at the bottom of the primary separator (2); and the inlet (41) of the heavy component filter (4) is connected with the outlet (32) of the heavy component cooler (3), and the outlet (42) of the heavy component filter (4) is connected with the lubricant inlet (12) of the vacuum pump (1). The lubricant purifying method can be used on line, so that the vacuum pump lubricant can be purified effectively and the long-term, stable and high-efficiency operation of the vacuum pump can be guaranteed.
Description
Technical field
The present invention relates to a kind of vacuum pump lube oil purification unit and use this device to purify the method for lubricant oil, while especially relating to vacuum pump operation steady in a long-term, the method for the purification lubricant oil of ultimate vacuum when keeping lubricant oil thermostability and guaranteeing vacuum pump operation.
Background technique
Vacuum pump lubricant oil plays lubricated, sealing and the effect such as cooling vacuum pump is in service, the oil product of vacuum pump lubricant oil is directly connected to running state and the operational effect of vacuum pump, therefore, vacuum pump with the having relatively high expectations of lubricant oil, is generally used to synthetic based lubricating oil.In vacuum pump running due to lubricant oil in the mixing and emulsification etc. of the moisture such as thermal depolymerization, steam of long chain hydrocarbon, make lubricant oil lighting, reduced viscosity, lubricated and sealing texts variation, this directly affects the operational effect of vacuum pump.And frequent more oil change can affect the stable operation of device, increase operating cost.If the oil quality of lubricant oil declines, greasy property variation.In addition,, because the burning-point of lubricant oil declines, when serious, can cause lubricant oil spontaneous combustion and burn vacuum pump.
The vacuum pump of most of vacuum pump manufacturer production is with lube oil purification piece-rate system, and this piece-rate system utilizes gas ballast valve to remove the moisture in lubricating oil system, and adopts filter type, tries hard to remove the mechanical admixture in lubricating oil system.But from actual motion, effect is unsatisfactory as a rule.The vacuum pump using in piece-rate system on coal liquification device, almost turns round 2～5 days, just need to change the lubricant oil of vacuum pump, very large on the stability of process system and operating characteristics impact.
Application number is a kind of method that 200610019937.9 patent discloses in-line purification equipment lubrication fluid, although the method has certain purifying effect to the impurity such as iron filings in general device lubricant oil and part moisture, can not remove the light components in lubricant oil.
Summary of the invention
The defect that is difficult to guarantee vacuum pump operation steady in a long-term in order to overcome vacuum pump lubricant oil, in order to make up the defect of the lubricating oil separation purification plant that vacuum pump carries, the invention provides a kind of vacuum pump lube oil purification unit and use this device to purify the method for lubricant oil.By the method for this vacuum pump lube oil purification unit and purification lubricant oil, purify lubricant oil, make it possible to keep constantly the component of lubricant oil stable, guarantee that lubricant oil has good thermostability and guarantees that vacuum pump can produce ultimate vacuum well.Be specially adapted to require the vacuum pump of operation steady in a long-term and operating conditions harshness to use.
In order to realize the effective separated performance that guarantees lubricant oil of lubricating oil component, the present invention has adopted lubricating oil separation, cooling and filtrating equipment, and acquisition has the heavy constituent of suitable carbochain, thereby can guarantee the performances such as lubricated and sealing of lubricant oil.
According to an aspect of the present invention, provide a kind of vacuum pump lube oil purification unit, having comprised: vacuum pump, this vacuum pump is equipped with lubricant oil; Primary separator, the lubricating oil inlet of this primary separator is connected to the lubricating oil outlet of this vacuum pump; Heavy constituent cooler, the entrance of this heavy constituent cooler is connected to the heavy constituent outlet that is arranged at this primary separator bottom; Heavy constituent filter, the entrance of this heavy constituent filter is connected to the outlet of this heavy constituent cooler, and the outlet of this heavy constituent filter is connected to the lubricating oil inlet of this vacuum pump.
According to vacuum pump lube oil purification unit of the present invention, wherein this primary separator adopts the jacketed type separator with thermal conductive oil pipeline.
According to vacuum pump lube oil purification unit of the present invention, wherein this primary separator comprises primary separator thermoscope, and the modulating valve on this primary separator thermoscope and this thermal conductive oil pipeline is chain.
According to vacuum pump lube oil purification unit of the present invention, wherein this vacuum pump lube oil purification unit also comprises: light component cooler, and the entrance of this light component cooler is connected to the light component outlet that is arranged at this primary separator top; Second-stage separator, the entrance of this second-stage separator is connected to the outlet of this light component cooler, and this second-stage separator also comprises the gas outlet at the top that is arranged at this second-stage separator and is arranged at the liquefaction light component outlet of the bottom of this second-stage separator; Pneumatic filter, the entrance of this pneumatic filter is connected to this gas outlet of this second-stage separator, and this pneumatic filter also comprises emptying outlet.
According to vacuum pump lube oil purification unit of the present invention, wherein this light component cooler is refrigerant cooler.Can be jacketed type cooler, can be also coiled pipe cooler.
According to another aspect of the present invention, a kind of method of using this vacuum pump lube oil purification unit to purify lubricant oil is provided, has comprised the following steps: the lubricant oil in vacuum pump is introduced into and in primary separator and in this primary separator, is separated into light component and heavy constituent; Make separated this heavy constituent enter in heavy constituent cooler and in this heavy constituent cooler, carry out cooling; Make to enter in heavy constituent filter and in this heavy constituent filter and filter through this cooling heavy constituent; Filtered this heavy constituent is flow back in this vacuum pump to be continued to use.
According to the method for purification lubricant oil of the present invention, wherein utilize the conduction oil in the thermal conductive oil pipeline of this primary separator to heat entering this lubricant oil of this primary separator, this conduction oil flows to the top of this primary separator from the bottom of this primary separator.
According to the method for purification lubricant oil of the present invention, wherein utilize the primary separator thermoscope of this primary separator to measure the temperature in this primary separator, according to control the size of the control valve opening on this thermal conductive oil pipeline through this temperature of measuring.
According to the method for purification lubricant oil of the present invention, further comprising the steps of: to make the light component of separating from this primary separator enter light component cooler, and in this light component cooler, carry out coolingly, form the mixture of liquefaction light component and gas component; Make to enter second-stage separator through this cooling liquefaction light component and the mixture of gas component, and in this second-stage separator, be separated into this liquefaction light component and this gas component, separated this liquefaction light component is discharged from the outlet of liquefaction light component; Make this gas component of separating from this second-stage separator enter pneumatic filter, and filter in this pneumatic filter, filtered this gas component is discharged from emptying outlet.
According to the method for purification lubricant oil of the present invention, wherein in this light component cooler, utilize the refrigerant that flows to the top of this light component cooler from the bottom of this light component cooler to carry out cooling to this light component entering this light component cooler.
Vacuum pump lube oil purification unit structure of the present invention is relatively simple, running and comparing is stable.The method that purifies lubricant oil with this vacuum pump lube oil purification unit can be carried out purified treatment to the lubricant oil of the equipment such as vacuum pump online; Component and the performance that can effectively keep vacuum pump lubricant oil, keep the thermostability of lubricant oil and guarantee vacuum pump good ultimate vacuum while turning round for a long time, effectively extend the life cycle of lubricant oil and the stable operation of service equipment, thereby produce good economic benefit.
By following explanation, of the present invention other will be presented more fully with other object, feature and advantage.
Accompanying drawing explanation
Fig. 1 uses the schematic diagram that purifies lubricant oil according to the vacuum pump lube oil purification unit of the embodiment of the present invention 1, wherein:
1 vacuum pump 2 primary separators
3 heavy constituent cooler 4 heavy constituent filters
5 light component cooler 6 second-stage separators
7 pneumatic filter T1 primary separator thermoscopes
T2 heavy constituent thermoscope T3 light component thermoscope
P1 heavy constituent cooler manometer P2 light component cooler manometer
The lubricating oil inlet of lubricating oil outlet 12 vacuum pumps of 11 vacuum pumps
The lubricating oil inlet 22 heavy constituent outlets of 21 primary separators
The outlet of the entrance 32 heavy constituent coolers of 31 heavy constituent coolers
The outlet of the entrance 42 heavy constituent filters of 41 heavy constituent filters
The outlet of the entrance 52 light component coolers of 51 light component coolers
Entrance 62 gas outlets of 61 second-stage separators
63 liquefaction light components export the entrance of 71 pneumatic filters
72 emptying export 28 heat-conducting oil pipes way outlets
26 chuck 27 thermal conductive oil pipeline entrances
Modulating valve on 25 primary separator thermal conductive oil pipelines
Embodiment
Unless otherwise, all technology used herein and scientific terminology have the identical meanings of conventionally understanding with general technical staff of the technical field of the invention.
Hereinafter, for the sake of clarity, the present invention will be described to adopt specific embodiment, and those skilled in the art of the present technique should be appreciated that this specific embodiment is not limited to scope of the present invention.
The invention provides a kind of vacuum pump lube oil purification unit, comprising: vacuum pump 1, this vacuum pump 1 is equipped with lubricant oil; Primary separator 2, the lubricating oil inlet 21 of this primary separator 2 is connected to the lubricating oil outlet 11 of vacuum pump 1; Heavy constituent cooler 3, the entrance 31 of heavy constituent cooler 3 is connected to the heavy constituent outlet 22 that is arranged at primary separator 2 bottoms; Heavy constituent filter 4, the entrance 41 of heavy constituent filter 4 is connected to the outlet 32 of heavy constituent cooler 3, and the outlet 42 of heavy constituent filter 4 is connected to the lubricating oil inlet 12 of vacuum pump 1.
The primary separator 2 of vacuum pump lube oil purification unit of the present invention can adopt jacketed type separator, outer installment at this primary separator 2 has chuck 26, in these chuck 26 bottoms, there is thermal conductive oil pipeline entrance 27, and there is heat-conducting oil pipes way outlet 28 on these chuck 26 tops, make conduction oil chuck bottom from primary separator 2 in this thermal conductive oil pipeline flow to chuck top, on thermal conductive oil pipeline, be provided with modulating valve 25.Utilize modulating valve 25 can control the temperature of conduction oil in thermal conductive oil pipeline.The primary separator 2 of this chuck form, utilizes the conduction oil in thermal conductive oil pipeline to heat the lubricant oil entering in primary separator 2, adopts separation temperature and the separating effect that can guarantee in this way lubricant oil.
The thermal conductive oil pipeline of the primary separator 2 of vacuum pump lube oil purification unit of the present invention also can adopt coil pipe type pipeline, the bottom of the entrance of thermal conductive oil pipeline in primary separator 2 wherein, the outlet of thermal conductive oil pipeline, in the top of primary separator 2 (not shown), is also provided with modulating valve 25 on thermal conductive oil pipeline.
The primary separator 2 of vacuum pump lube oil purification unit of the present invention comprises primary separator thermoscope T1, and this primary separator thermoscope T1 can be thermocouple or other temperature measuring elements.Adopt conduction oil companion heat, the modulating valve 25 arranging on this primary separator thermoscope T1 and this thermal conductive oil pipeline is chain.By primary separator thermoscope, T1 records the temperature in primary separator 2, according to carry out the size of regulating and controlling valve 25 apertures through the temperature of measuring, and then regulates the flow of conduction oil, and the temperature of primary separator 2 is remained between 130～160 ℃.Can guarantee that like this moisture and the light components below C8 in lubricant oil can separate well from lubricant oil.In addition,, in order to strengthen separated effect, in primary separator 2, filler can be housed, such as the customary filler of all sizes such as Raschig ring.
For coiled pipe cooler, circulating water can be walked cooling coil, and circulating water flows to the top of water recirculator from the bottom of water recirculator.
For shell and tube cooler, condensed water is walked tube side conventionally.For gas cooler, gas is walked shell side conventionally.
Heavy constituent filter 4 can adopt wire gaze filter core, and filter precision is about 5-30 μ m.
Vacuum pump lube oil purification unit of the present invention also comprises: light component cooler 5, and the entrance 51 of this light component cooler 5 is connected to the light component outlet 23 that is arranged at primary separator 2 tops; Second-stage separator 6, the entrance 61 of this second-stage separator 6 is connected to the outlet 52 of light component cooler 5, and this second-stage separator 6 also comprises the gas outlet 62 at the top that is arranged at second-stage separator 6 and is arranged at the liquefaction light component outlet 63 of the bottom of second-stage separator 6; Pneumatic filter 7, the entrance 71 of this pneumatic filter 7 is connected to the gas outlet 62 of second-stage separator 6, and this pneumatic filter 7 also comprises emptying outlet 72.
The light component cooler 5 of vacuum pump lube oil purification unit of the present invention is refrigerant cooler.In this refrigerant cooler, adopt specific chiller plant that refrigerant is provided.This refrigerant cooler can be fully cooling further to recycle by light component.
Adopt above-mentioned light component recovering device carry out cooling, separated oil removing and filter oil removing and the removal of impurity the light component of separating from primary separator 2, can carry out effective separation to the light component in vacuum pump lubricant oil.And the gas of discharging from the emptying outlet 72 of pneumatic filter 7 is comparatively clean, can be to environment.The gas emptying of preferably, discharging from the emptying outlet 72 of pneumatic filter 7 is to torch, to avoid causing environmental pollution.
The present invention also provides a kind of method of using this vacuum pump lube oil purification unit to purify lubricant oil, comprises the following steps: the lubricant oil in vacuum pump 1 is introduced in primary separator 2 and in primary separator 2, is separated into light component and heavy constituent; Make separated heavy constituent enter in heavy constituent cooler 3 and in heavy constituent cooler 3, carry out cooling; Make to filter in cooling heavy constituent enters heavy constituent filter 4 and in heavy constituent filter 4; Filtered heavy constituent is flow back in this vacuum pump 1 to be continued to use.
That is to say, the method of purification lubricant oil of the present invention makes the lubricant oil of vacuum pump 1 enter in primary separator 2 from the fuel-tank outlet 11 of vacuum pump 1, in primary separator 2, light component vaporization or the maintenance gaseous state heavy constituent liquid with maintenance realize separated, through separated heavy constituent, from the bottom outlet 22 of primary separator 2, through heavy constituent cooler 3, be cooled to normal temperature, then enter heavy constituent filter 4 and filter and make the impurity dirt filtering that may contain in heavy constituent lubricant oil, finally make qualified lubricant oil flow back in the lubricating oil bath of vacuum pump 1 and continue to use.By the method for purification lubricant oil of the present invention, can guarantee the light component quilt separation completely of the lubricant oil of vacuum pump 1, thereby guarantee that lubricant oil can recycle for a long time.
According to the method for purification lubricant oil of the present invention, wherein utilize the conduction oil in the thermal conductive oil pipeline of primary separator 2 to heat entering the lubricant oil of primary separator 2, conduction oil flows to the top of primary separator 2 from the bottom of primary separator 2.
According to the method for purification lubricant oil of the present invention, wherein utilize the primary separator thermoscope T1 of primary separator 2 to measure the temperature in primary separator 2, according to control the size of modulating valve 25 apertures on thermal conductive oil pipeline through the temperature of measuring.In order to guarantee the separating effect of lubricant oil, make the light component in lubricant oil completely separated, the conduction oil temperature in the chuck of primary separator 2 can be controlled between 130～160 ℃, make to vaporize completely lower than the light component of 130 ℃.Can under condition of normal pressure, realize the separated of light component and heavy constituent primary separator 2 is interior.
According to the method for purification lubricant oil of the present invention, further comprising the steps of: to make the light component of separating from primary separator 2 enter light component cooler 5, and in light component cooler 5, carry out coolingly, form the mixture of liquefaction light component and gas component; Make to enter second-stage separator 6 through the mixture of cooling liquefaction light component and gas component, and in second-stage separator 6, be separated into liquefaction light component and gas component, separated liquefaction light component is discharged from liquefaction light component outlet 63; Make the gas component of separating from second-stage separator 6 enter pneumatic filter 7, and filter in pneumatic filter 7, filtered gas component is discharged from emptying outlet 72.Or the gas emptying of discharging from the emptying outlet 72 of pneumatic filter 7 is to torch, to avoid causing environmental pollution.
That is to say, gaseous light component from the top exit 23 of primary separator 2 through piping enter light component cooler 5, carry out cooling, form the mixture of liquefaction light component and gas component, then enter second-stage separator 6, in second-stage separator 6, be separated into liquefaction light component and gas component, liquefaction light component is regularly discharged from the bottom outlet 63 of second-stage separator 6, gas component enters pneumatic filter 7 from the top exit 62 of second-stage separator 6, interior by after the further filtering of the greasy dirt in gas component at pneumatic filter 7, from the emptying outlet 72 of pneumatic filter 7, be disposed to exhausting pipeline.Wherein, light component cooler 5 provides cooling medium (as liquefied ammonia, liquefied propylene, cooling alcohol, cooling salt solution etc.) by chiller plant, makes the temperature in light component cooler 5 remain on 1～5 ℃, thereby, make lightweight oil content be condensed into liquid as far as possible.
According to the method for purification lubricant oil of the present invention, wherein in light component cooler 5, be provided with chiller plant and provide refrigerant for it, utilize the refrigerant that flows to the top of light component cooler 5 from the bottom of light component cooler 5 to carry out cooling to the light component entering light component cooler 5.Adopt the cooling cooling effect that can guarantee lighter hydrocarbons of refrigerant, so that in the interior Oil-gas Separation that realizes of second-stage separator 6.The outlet temperature of light component cooler 5 is controlled as about 1～5 ℃.
In the interior second level separation that can carry out light component under condition of normal pressure of second-stage separator 6, temperature in second-stage separator 6 with by the outlet temperature of the measured light component cooler 5 of light component thermoscope T3 about equally, realized the completely separated of liquefaction light component and gas component.
According to the method for purification lubricant oil of the present invention, the gas component of separating from second-stage separator 6 before emptying, through pneumatic filter 7, is removed the greasy dirt in gas component as far as possible, has guaranteed the clean of efflux gas, thereby has met environmental requirement.Or the gas emptying of discharging from the emptying outlet 72 of pneumatic filter 7, to torch, is further eliminated environmental pollution.The filter core of pneumatic filter 7 can adopt the filter core of papery or fiber, and filter precision is approximately 0.5～50 μ m.
The method of purification lubricant oil of the present invention can keep the component of lubricant oil stable constantly, guarantees that lubricant oil has good thermostability and keeps vacuum pump can produce well ultimate vacuum, thereby guarantees vacuum pump operation steady in a long-term.
The method of purification lubricant oil of the present invention has guaranteed that the light component in lubricant oil can be condensed into liquid as far as possible, by two-stage separation, has removed the light component in lubricant oil so that light oil is recycled, and reduces and pollutes.One-level separation adopts jacketed type separator to heat and makes fully separation of light component, light component cooler 5 adopt the cooling light component that makes of refrigerants to be condensed into as far as possible liquid state with recycling, avoided pollution.
Use vacuum pump lube oil purification unit according to the present invention carries out purified treatment to the lubricant oil of the precious vacuum pump 1 of Lay.The lubricant oil of the precious vacuum pump 1 of Lay is led to the lubricating oil inlet 21 of primary separator 2 from the outlet 11 of Lubricating oil tank.Primary separator 2 is jacketed type separator, is provided with thermal conductive oil pipeline in chuck, in this thermal conductive oil pipeline, conduction oil is housed.By primary separator thermoscope T1, measure the temperature in primary separator 2, according to control the size of modulating valve 25 apertures on thermal conductive oil pipeline through the temperature of measuring, thereby regulate conduction oil flow that the temperature of primary separator 2 is remained between 140～150 ℃.Pressure in primary separator 2 is normal pressure.Between the metal grid mesh of the upper lower seal head of this primary separator 2, pack Raschig ring filler into.In the inside of primary separator 2, the heavy constituent in the lubricant oil that makes to contain pyrolysis light component and moisture through using in vacuum pump 1 keeps liquid, from primary separator 2 bottom outlets 22 through piping enter heavy constituent cooler 3, carry out cooling.Heavy constituent cooler 3 is water recirculator, and wherein circulating water flows to top from the bottom of heavy constituent cooler 3.Then through cooling heavy constituent again after heavy constituent filter 4 filters, the oil sump that flows back to vacuum pump 1 continues to use, and forms the qualified lubricant oil of performance.Inside at primary separator 2, light component in the lubricant oil that makes to contain pyrolysis light component and moisture through using in vacuum pump 1 is vaporized into gaseous state or remains gaseous state, this light component enters light component refrigerant cooler 5 from the top exit 23 of primary separator 2 through pipeline, this light component is cooled to 1～2 ℃ in light component refrigerant cooler 5 inside, make light oil wherein be cooled to liquid, enter second-stage separator 6 together with gas component, in second-stage separator 6 inside, carry out after further separation, liquid component flows out from second-stage separator 6 bottom outlets 63, regularly discharge is stayed and is used it for anything else.Gas component is disposed to exhausting pipeline from emptying outlet 72 from second-stage separator 6 top exits 62 after piping enters pneumatic filter 7 and filters.
After using, find, use the vacuum pump 1 of this purification plant in the situation that continuing to keep ultimate vacuum, to move well, from original stable operation 2-5 days, just need to change vacuum pump lubricant oil is extended for several months continuous and steady operation and does not also need to change vacuum pump lubricant oil, obviously extended the life time of lubricant oil, the operation stability and the operating characteristics that have obviously improved vacuum pump, produced good effect.By this purification method, can make the light component in lubricant oil be condensed into as much as possible liquid so that light oil is recycled, reduce and pollute.And the gas of discharging from emptying outlet 72 is comparatively clean, can be to environment.
Use vacuum pump lube oil purification unit according to the present invention carries out purified treatment to the lubricant oil of the precious vacuum pump 1 of Lay.The lubricant oil of the precious vacuum pump 1 of Lay is led to the lubricating oil inlet 21 of primary separator 2 from the outlet 11 of Lubricating oil tank.Primary separator 2 is jacketed type separator, is provided with thermal conductive oil pipeline in chuck, in this thermal conductive oil pipeline, conduction oil is housed.By primary separator thermoscope T1, measure the temperature in primary separator 2, according to control the size of modulating valve 25 apertures on thermal conductive oil pipeline through the temperature of measuring, thereby regulate conduction oil flow that the temperature of primary separator 2 is remained between 140～150 ℃.Pressure in primary separator 2 is normal pressure.Between the metal grid mesh of the upper lower seal head of this primary separator 2, pack into compared with the less Raschig ring filler of embodiment's 1 diameter.In the inside of primary separator 2, the heavy constituent in the lubricant oil that makes to contain pyrolysis light component and moisture through using in vacuum pump 1 keeps liquid, from primary separator 2 bottom outlets 22 through piping enter heavy constituent cooler 3, carry out cooling.Heavy constituent cooler 3 is water recirculator, and wherein circulating water flows to top from the bottom of heavy constituent cooler 3.Then through cooling heavy constituent again after heavy constituent filter 4 filters, the oil sump that flows back to vacuum pump 1 continues to use, and forms the qualified lubricant oil of performance.In the inside of primary separator 2, the light component in the lubricant oil that makes to contain pyrolysis light component and moisture through using in vacuum pump 1 is vaporized into gaseous state or remains gaseous state, and this light component is discharged through pipeline from the top exit 23 of primary separator 2.After use, find to use the vacuum pump 1 of this purification plant in the situation that continuing to keep ultimate vacuum, to move well, more obviously extended the life time of lubricant oil, the operation stability and the operating characteristics that have more obviously improved vacuum pump, produced good effect.
Although described spirit of the present invention in detail with reference to specific embodiment, these mode of executions are only for the object that illustrates and should not limit the present invention.Should be appreciated that in the situation that not deviating from scope and spirit of the present invention, those skilled in the art can change or change these mode of executions.
Claims (11)
1. a vacuum pump lube oil purification unit, comprising:
Vacuum pump (1), described vacuum pump (1) is equipped with lubricant oil;
Primary separator (2), the lubricating oil inlet (21) of described primary separator (2) is connected to the lubricating oil outlet (11) of described vacuum pump (1);
Heavy constituent cooler (3), the entrance (31) of described heavy constituent cooler (3) is connected to the heavy constituent outlet (22) that is arranged at described primary separator (2) bottom;
Heavy constituent filter (4), the entrance (41) of described heavy constituent filter (4) is connected to the outlet (32) of described heavy constituent cooler (3), and the outlet (42) of described heavy constituent filter (4) is connected to the lubricating oil inlet (12) of described vacuum pump (1);
Wherein, described primary separator (2) adopts the jacketed type separator with thermal conductive oil pipeline;
Wherein, described vacuum pump lube oil purification unit also comprises:
Light component cooler (5), the entrance (51) of described light component cooler (5) is connected to the light component outlet (23) that is arranged at described primary separator (2) top;
Second-stage separator (6), the entrance (61) of described second-stage separator (6) is connected to the outlet (52) of described light component cooler (5), and described second-stage separator (6) also comprises the gas outlet (62) at the top that is arranged at described second-stage separator (6) and is arranged at the liquefaction light component outlet (63) of the bottom of described second-stage separator (6);
Pneumatic filter (7), the entrance (71) of described pneumatic filter (7) is connected to the described gas outlet (62) of described second-stage separator (6), and described pneumatic filter (7) also comprises emptying outlet (72).
2. vacuum pump lube oil purification unit according to claim 1, wherein, described primary separator (2) comprises primary separator thermoscope (T1), described primary separator thermoscope (T1) is chain with the modulating valve (25) on described thermal conductive oil pipeline.
3. vacuum pump lube oil purification unit according to claim 2, wherein, described light component cooler (5) is refrigerant cooler.
4. use purifies a method for lubricant oil according to the vacuum pump lube oil purification unit described in any one in claim 1-2, comprises the following steps:
Lubricant oil in vacuum pump (1) is introduced in primary separator (2) and is separated into light component and heavy constituent in described primary separator (2);
Make separated described heavy constituent enter in heavy constituent cooler (3) and in described heavy constituent cooler (3), carry out cooling;
Make to filter in cooling described heavy constituent enters heavy constituent filter (4) and in described heavy constituent filter (4);
Filtered described heavy constituent is flow back in described vacuum pump (1) to be continued to use.
5. the method for purification lubricant oil according to claim 4, wherein, utilize the conduction oil in the thermal conductive oil pipeline of described primary separator (2) to heat entering the described lubricant oil of described primary separator (2), described conduction oil flows to the top of described primary separator (2) from the bottom of described primary separator (2).
6. the method for purification lubricant oil according to claim 5, wherein, utilize the primary separator thermoscope (T1) of described primary separator (2) to measure the temperature in described primary separator (2), according to control the size of modulating valve (25) aperture on described thermal conductive oil pipeline through the described temperature of measuring.
7. use purifies a method for lubricant oil according to the vacuum pump lube oil purification unit described in claim 3, comprises the following steps:
Lubricant oil in vacuum pump (1) is introduced in primary separator (2) and is separated into light component and heavy constituent in described primary separator (2);
Make separated described heavy constituent enter in heavy constituent cooler (3) and in described heavy constituent cooler (3), carry out cooling;
Make to filter in cooling described heavy constituent enters heavy constituent filter (4) and in described heavy constituent filter (4);
Filtered described heavy constituent is flow back in described vacuum pump (1) to be continued to use.
8. the method for purification lubricant oil according to claim 7, wherein, utilize the conduction oil in the thermal conductive oil pipeline of described primary separator (2) to heat entering the described lubricant oil of described primary separator (2), described conduction oil flows to the top of described primary separator (2) from the bottom of described primary separator (2).
9. the method for purification lubricant oil according to claim 8, wherein, utilize the primary separator thermoscope (T1) of described primary separator (2) to measure the temperature in described primary separator (2), according to control the size of modulating valve (25) aperture on described thermal conductive oil pipeline through the described temperature of measuring.
10. according to the method for the purification lubricant oil described in any one in claim 7-9, further comprising the steps of:
Make the light component of separating from described primary separator (2) enter light component cooler (5), and in described light component cooler (5), carry out coolingly, form the mixture of liquefaction light component and gas component;
Make to enter second-stage separator (6) through the mixture of cooling described liquefaction light component and gas component, and in described second-stage separator (6), be separated into described liquefaction light component and described gas component, separated described liquefaction light component is discharged from liquefaction light component outlet (63);
Make the described gas component of separating from described second-stage separator (6) enter pneumatic filter (7), and filter in described pneumatic filter (7), filtered described gas component is discharged from emptying outlet (72).
The method of 11. purification lubricant oil according to claim 10, wherein, in described light component cooler (5), utilize the refrigerant that flows to the top of described light component cooler (5) from the bottom of described light component cooler (5) to carry out cooling to the described light component entering described light component cooler (5).
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| CN201010520302.3A CN102011929B (en) | 2010-10-20 | 2010-10-20 | Vacuum pump lubricant purifying device and method for purifying lubricant by using same |
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| GB287431A (en) * | 1927-11-28 | 1928-03-22 | Drysdale & Co Ltd | Improvements in or relating to lubricating systems |
| CN2557786Y (en) * | 2002-07-11 | 2003-06-25 | 孙掌源 | Lubricant purifying regenerator |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB287431A (en) * | 1927-11-28 | 1928-03-22 | Drysdale & Co Ltd | Improvements in or relating to lubricating systems |
| CN2557786Y (en) * | 2002-07-11 | 2003-06-25 | 孙掌源 | Lubricant purifying regenerator |
| CN201014167Y (en) * | 2007-03-16 | 2008-01-30 | 中国人民解放军后勤工程学院 | Lubricant oil dewatered clean-up drawbar trailer |
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