CN102011929A - 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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- CN102011929A CN102011929A CN2010105203023A CN201010520302A CN102011929A CN 102011929 A CN102011929 A CN 102011929A CN 2010105203023 A CN2010105203023 A CN 2010105203023A CN 201010520302 A CN201010520302 A CN 201010520302A CN 102011929 A CN102011929 A CN 102011929A
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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, especially relate to when vacuum pump is steady in a long-term to be moved the method for the purification lubricant oil of ultimate vacuum when keeping the lubricant oil thermostability and guaranteeing the vacuum pump operation.
Background technique
Vacuum pump lubricant oil plays lubricated, sealing and effect such as cooling in that vacuum pump is in service, the oil product of vacuum pump lubricant oil is directly connected to the running state and the operational effect of vacuum pump, therefore, vacuum pump with the having relatively high expectations of lubricant oil, is generally used synthetic based lubricating oil.The mixing and emulsification etc. of moisture such as the thermal depolymerization, steam of long chain hydrocarbon in the vacuum pump running because in the lubricant oil makes that lubricant oil lighting, viscosity reduce, effect variation such as lubricated and sealing, and this directly influences the operational effect of vacuum pump.And frequent more oil change can influence the stable operation of device, increases operating cost.If the oil quality of lubricant oil descends, then the greasy property variation.In addition, because the burning-point of lubricant oil descends, can cause the lubricant oil spontaneous combustion when serious and burn vacuum pump.
The vacuum pump of most of vacuum pump manufacturer production has the lube oil purification piece-rate system, and this piece-rate system utilizes gas ballast valve to remove moisture in the lubricating oil system, and adopts filter type, tries hard to remove the mechanical admixture in the lubricating oil system.But from actual motion, effect is unsatisfactory as a rule.The vacuum pump that uses in the piece-rate system on coal liquification device almost turned round 2～5 days, just need change the lubricant oil of vacuum pump, and is very big to the stability and the operating characteristics influence of process system.
Application number a kind of method of in-line purification equipment lubrication fluid that has been 200610019937.9 patent disclosure, though this method has certain purifying effect to impurity such as the iron filings in the general device lubricant oil and part moisture, can not remove the light components in the lubricant oil.
Summary of the invention
In order to overcome the defective that vacuum pump lubricant oil is difficult to guarantee vacuum pump operation steady in a long-term, in order to remedy the defective 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.Use the method for this vacuum pump lube oil purification unit and purification lubricant oil to 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.
For the effective separation that realizes lubricating oil component guarantees the performance of lubricant oil, the present invention has adopted lubricating oil separation, cooling and filtrating equipment, obtains heavy ends with 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 ends cooler, the inlet of this heavy ends cooler are connected to the heavy ends outlet that is arranged at this primary separator bottom; The heavy ends filter, the inlet of this heavy ends filter is connected to the outlet of this heavy ends cooler, and the outlet of this heavy ends 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 the 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, the inlet of this light component cooler are connected to the light component outlet that is arranged at this primary separator top; Second-stage separator, the inlet 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 inlet of this pneumatic filter are connected to this gas outlet of this second-stage separator, and this pneumatic filter also comprises the emptying outlet.
According to vacuum pump lube oil purification unit of the present invention, wherein this light component cooler is the refrigerant cooler.Can be the jacketed type cooler, also can be 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 may further comprise the steps: be introduced into the lubricant oil in the vacuum pump in the primary separator and in this primary separator, be separated into light component and heavy ends; Make separated these heavy ends enter in the heavy ends cooler and in this heavy ends cooler, cool off; Make these heavy ends enter in the heavy ends filter and in this heavy ends filter and filter through cooling; Filtered these heavy ends are flow back into continue in this vacuum pump to use.
Method according to purification lubricant oil of the present invention, wherein utilize the conduction oil in the thermal conductive oil pipeline of this primary separator that this lubricant oil that enters this primary separator is heated, 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 temperature in this primary separator, according to the size of controlling 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: as to make the light component of from this primary separator, separating enter the light component cooler, and in this light component cooler, cool off, form the mixture of liquefaction light component and gas component; Make through this liquefaction light component of cooling and the mixture of gas component and enter second-stage separator, 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 from this second-stage separator, separating enter pneumatic filter, and in this pneumatic filter, filter, filtered this gas component is discharged from the 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 that this light component that enters this light component cooler is cooled off.
Vacuum pump lube oil purification unit structure of the present invention is simple relatively, operation is more stable.The method of using this vacuum pump lube oil purification unit to purify lubricant oil can be carried out purified treatment by online lubricant oil to equipment such as vacuum pumps; The component and the performance that can keep vacuum pump lubricant oil effectively, good ultimate vacuum when keeping the thermostability of lubricant oil and guaranteeing the vacuum pump long-term operation, prolong the life cycle of lubricant oil and the stable operation of service equipment effectively, thereby produce good economic benefit.
By following explanation, of the present invention other will be presented more fully with other purpose, feature and advantage.
Description of drawings
Fig. 1 is for using the schematic representation that purifies lubricant oil according to the vacuum pump lube oil purification unit of the embodiment of the invention 1, wherein:
1 vacuum pump, 2 primary separators
3 heavy ends coolers, 4 heavy ends filters
5 light component coolers, 6 second-stage separators
7 pneumatic filter T1 primary separator thermoscopes
T2 heavy ends thermoscope T3 light component thermoscope
P1 heavy ends 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 ends outlet of 21 primary separators
The outlet of the inlet 32 heavy ends coolers of 31 heavy ends coolers
The outlet of the inlet 42 heavy ends filters of 41 heavy ends filters
The outlet of the inlet 52 light component coolers of 51 light component coolers
Inlet 62 gas outlets of 61 second-stage separators
63 liquefaction light components export the inlet of 71 pneumatic filters
72 emptying export 28 heat-conducting oil pipes way outlets
26 chucks, 27 thermal conductive oil pipelines inlet
Modulating valve on the 25 primary separator thermal conductive oil pipelines
Embodiment
Unless otherwise, all technology used herein and scientific terminology have the identical meanings with general technical staff of the technical field of the invention's common sense.
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 ends cooler 3, the inlet 31 of heavy ends cooler 3 are connected to the heavy ends outlet 22 that is arranged at primary separator 2 bottoms; Heavy ends filter 4, the inlet 41 of heavy ends filter 4 is connected to the outlet 32 of heavy ends cooler 3, and the outlet 42 of heavy ends 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 the jacketed type separator, outer installment at this primary separator 2 has chuck 26, has thermal conductive oil pipeline inlet 27 in these chuck 26 bottoms, and has 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 the chuck top, thermal conductive oil pipeline is provided with modulating valve 25.Utilize modulating valve 25 can control the temperature of conduction oil in the thermal conductive oil pipeline.The primary separator 2 of this chuck form utilizes the conduction oil in the thermal conductive oil pipeline that the lubricant oil that enters in the primary separator 2 is heated, and adopts this method can guarantee the separation temperature and the separating effect of 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 the coil pipe type pipeline, wherein the inlet of thermal conductive oil pipeline is in the bottom of primary separator 2, the outlet of thermal conductive oil pipeline is in the top (not shown) of primary separator 2, also is provided with modulating valve 25 on the 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 that is provided with on this primary separator thermoscope T1 and this thermal conductive oil pipeline is chain.Record temperature in the primary separator 2 by primary separator thermoscope T1, according to coming the size of regulating and controlling valve 25 apertures through the temperature of measuring, and then regulate the flow of conduction oil, make the temperature of primary separator 2 remain between 130～160 ℃.Can guarantee that so the following light components of moisture in the lubricant oil and C8 can separate well from lubricant oil.In addition,, in primary separator 2, filler can be housed, for example the customary filler of all size such as Raschig ring in order to strengthen the effect of separation.
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 usually.For gas cooler, gas is walked shell side usually.
Vacuum pump lube oil purification unit of the present invention also comprises: light component cooler 5, the inlet 51 of this light component cooler 5 are connected to the light component outlet 23 that is arranged at primary separator 2 tops; Second-stage separator 6, the inlet 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 inlet 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 the refrigerant cooler.In this refrigerant cooler, adopt specific chiller plant that refrigerant is provided.This refrigerant cooler can fully cool off light component with further recycling.
Adopt above-mentioned light component recovering device that the light component of separating from primary separator 2 is cooled off, separates oil removing and filters the oil removing and the removal of impurity, can the light component in the vacuum pump lubricant oil effectively be separated.And the gas of discharging from the emptying outlet 72 of pneumatic filter 7 comparatively cleans, and can not pollute environment.Preferably, the emptying from pneumatic filter 7 exports the 72 gas emptying of discharging 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, may further comprise the steps: be introduced into the lubricant oil in the vacuum pump 1 in the primary separator 2 and be separated into light component and heavy ends in primary separator 2; Make separated heavy ends enter in the heavy ends cooler 3 and in heavy ends cooler 3, cool off; Make heavy ends enter in the heavy ends filter 4 and in heavy ends filter 4 and filter through cooling; Filtered heavy ends are flow back into continue in this vacuum pump 1 to use.
That is to say, the lubricant oil that the method for purification lubricant oil of the present invention makes vacuum pump 1 enters in the primary separator 2 from the fuel-tank outlet 11 of vacuum pump 1, the liquid heavy ends of light component vaporization or maintenance gaseous state and maintenance realize separating in primary separator 2, the heavy ends that process is separated are cooled to normal temperature from the bottom outlet 22 of primary separator 2 through heavy ends coolers 3, enter heavy ends filter 4 then and filter and make the impurity dirt filtering that may contain in the heavy ends lubricant oil, qualified flow of lubricant is back in the lubricating oil bath of vacuum pump 1 continues to use.Method by purification lubricant oil of the present invention can guarantee that the light component of the lubricant oil of vacuum pump 1 is separated fully, thereby guarantees 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 that the lubricant oil that enters primary separator 2 is heated, 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 temperature in the primary separator 2, according to the size of controlling modulating valve 25 apertures on the thermal conductive oil pipeline through the temperature of measuring.In order to guarantee the separating effect of lubricant oil, the light component in the lubricant oil is separated fully, the conduction oil temperature in the chuck of primary separator 2 can be controlled between 130～160 ℃, make the light component that is lower than 130 ℃ vaporize fully.In primary separator 2, can under condition of normal pressure, realize separating of light component and heavy ends.
According to the method for purification lubricant oil of the present invention, further comprising the steps of: as to make the light component of from primary separator 2, separating enter light component cooler 5, and in light component cooler 5, cool off, form the mixture of liquefaction light component and gas component; Make through the liquefaction light component of cooling and the mixture of gas component and enter second-stage separator 6, 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 from second-stage separator 6, separating enter pneumatic filter 7, and in pneumatic filter 7, filter, filtered gas component is discharged from emptying outlet 72.Perhaps, the emptying from pneumatic filter 7 exports the 72 gas emptying of discharging to torch, to avoid causing environmental pollution.
That is to say, the gaseous light component enters the light component cooler 5 through piping from the top exit 23 of primary separator 2 to be cooled off, form the mixture of liquefaction light component and gas component, enter second-stage separator 6 then, in second-stage separator 6, be separated into liquefaction light component and gas component, the 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, in pneumatic filter 7,, be disposed to exhausting pipeline from the emptying of pneumatic filter 7 outlet 72 with after the further filtering of the greasy dirt in the gas component.Wherein, light component cooler 5 provides cooling medium (as the alcohol of liquefied ammonia, liquefied propylene, cooling, the salt solution of cooling etc.) by chiller plant, makes the temperature in the light component cooler 5 remain on 1～5 ℃, thereby, make the lightweight oil content be condensed into liquid as far as possible.
Method according to purification lubricant oil of the present invention, wherein in light component cooler 5, be provided with chiller plant and provide refrigerant, utilize the refrigerant that flows to the top of light component cooler 5 from the bottom of light component cooler 5 that the light component that enters the light component cooler 5 is cooled off for it.Adopt the refrigerant cooling can guarantee the cooling effect of lighter hydrocarbons, so that in second-stage separator 6, realize Oil-gas Separation.The outlet temperature of light component cooler 5 is controlled to be about 1～5 ℃.
Can carry out the second level of light component in second-stage separator 6 under condition of normal pressure separates, temperature in the second-stage separator 6 with by the outlet temperature of the measured light component cooler 5 of light component thermoscope T3 about equally, realized separating fully 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 through pneumatic filter 7, was removed the greasy dirt in the gas component before emptying as far as possible, had guaranteed the cleaning of efflux gas, thereby had satisfied environmental requirement.Perhaps, the gas emptying of discharging from the emptying of pneumatic filter 7 outlet 72 are further eliminated environmental pollution to torch.The filter core of pneumatic filter 7 can adopt the filter core of papery or fiber, and filter precision is about 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 ultimate vacuum well, 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 the lubricant oil can be condensed into liquid as far as possible, separates by two-stage and has removed the light component in the lubricant oil so that light oil is recycled, and reduces and pollutes.One-level separation employing jacketed type separator heats makes light component fully separate, and it is liquid with recycling that light component cooler 5 adopts the refrigerants cooling to make that light component is condensed into as far as possible, 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 lubricant oil fuel tank.Primary separator 2 is the jacketed type separator, is provided with thermal conductive oil pipeline in chuck, in this thermal conductive oil pipeline conduction oil is housed.By the temperature in the primary separator thermoscope T1 measurement primary separator 2, according to control the size of modulating valve 25 apertures on the thermal conductive oil pipeline through the temperature of measuring, make the temperature of primary separator 2 remain between 140～150 ℃ thereby regulate the conduction oil flow.Pressure in the primary separator 2 is normal pressure.The Raschig ring filler of between the metal grid mesh of lower seal head on this primary separator 2, packing into.In the inside of primary separator 2, make the heavy ends in the lubricant oil that contains pyrolysis light component and moisture through in vacuum pump 1, using keep liquid, enter the heavy ends cooler 3 through piping from primary separator 2 bottom outlets 22 and cool off.Heavy ends cooler 3 is a water recirculator, and wherein circulating water flows to the top from the bottom of heavy ends cooler 3.Then after the heavy ends of cooling were filtered through heavy ends filter 4 again, the oil sump that flows back to vacuum pump 1 continued to use, and constitutes the qualified lubricant oil of performance.Inside at primary separator 2, make the light component in the lubricant oil that contains pyrolysis light component and moisture through in vacuum pump 1, using be vaporized into gaseous state or remain 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 with gas component, after further separate second-stage separator 6 inside, liquid component flows out from second-stage separator 6 bottom outlets 63, and discharging is regularly stayed and 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.
Find through using the back, use the vacuum pump 1 of this purification plant under the situation that continues the maintenance ultimate vacuum, to move well, just need replacing vacuum pump lubricant oil to be extended for several months continous-stable operation from original stable operation 2-5 days and also do not need to change vacuum pump lubricant oil, obviously prolonged the life time of lubricant oil, obviously improve the operation stability and the operating characteristics of vacuum pump, produced good effect.Can make the light component in the lubricant oil be condensed into liquid as much as possible by this purification method, reduce and pollute so that light oil is recycled.And the gas of discharging from emptying outlet 72 comparatively cleans, and can not pollute 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 lubricant oil fuel tank.Primary separator 2 is the jacketed type separator, is provided with thermal conductive oil pipeline in chuck, in this thermal conductive oil pipeline conduction oil is housed.By the temperature in the primary separator thermoscope T1 measurement primary separator 2, according to control the size of modulating valve 25 apertures on the thermal conductive oil pipeline through the temperature of measuring, make the temperature of primary separator 2 remain between 140～150 ℃ thereby regulate the conduction oil flow.Pressure in the primary separator 2 is normal pressure.The Raschig ring filler littler of between the metal grid mesh of lower seal head on this primary separator 2, packing into than embodiment's 1 diameter.In the inside of primary separator 2, make the heavy ends in the lubricant oil that contains pyrolysis light component and moisture through in vacuum pump 1, using keep liquid, enter the heavy ends cooler 3 through piping from primary separator 2 bottom outlets 22 and cool off.Heavy ends cooler 3 is a water recirculator, and wherein circulating water flows to the top from the bottom of heavy ends cooler 3.Then after the heavy ends of cooling were filtered through heavy ends filter 4 again, the oil sump that flows back to vacuum pump 1 continued to use, and constitutes the qualified lubricant oil of performance.In the inside of primary separator 2, make the light component in the lubricant oil that contains pyrolysis light component and moisture through in vacuum pump 1, using be vaporized into gaseous state or remain gaseous state, this light component is discharged through pipeline from the top exit 23 of primary separator 2.Use the vacuum pump 1 of this purification plant under the situation that continues the maintenance ultimate vacuum, to move well through finding after the use, the more obvious life time that prolongs lubricant oil, more obvious operation stability and the operating characteristics that has improved vacuum pump produced good effect.
Though described spirit of the present invention in detail with reference to specific embodiment, these mode of executions only are used for illustrative purposes and should not limit the present invention.Should be appreciated that under the situation that does not deviate from scope and spirit of the present invention those skilled in the art can change or change these mode of executions.
Claims (10)
1. vacuum pump lube oil purification unit comprises:
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 ends cooler (3), the inlet (31) of described heavy ends cooler (3) are connected to the heavy ends outlets (22) that are arranged at described primary separator (2) bottom;
Heavy ends filter (4), the inlet (41) of described heavy ends filter (4) is connected to the outlet (32) of described heavy ends cooler (3), and the outlet (42) of described heavy ends filter (4) is connected to the lubricating oil inlet (12) of described vacuum pump (1).
2. vacuum pump lube oil purification unit according to claim 1, wherein, described primary separator (2) adopts the jacketed type separator with thermal conductive oil pipeline.
3. vacuum pump lube oil purification unit according to claim 2, wherein, described primary separator (2) comprises primary separator thermoscope (T1), described primary separator thermoscope (T1) is chain with the modulating valve (25) on the described thermal conductive oil pipeline.
4. according to each described vacuum pump lube oil purification unit among the claim 1-3, wherein, described vacuum pump lube oil purification unit also comprises:
Light component cooler (5), the inlet (51) of described light component cooler (5) are connected to the light component outlet (23) that is arranged at described primary separator (2) top;
Second-stage separator (6), the inlet (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 inlet (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).
5. vacuum pump lube oil purification unit according to claim 4, wherein, described light component cooler (5) is the refrigerant cooler.
6. a use purifies the method for lubricant oil according to each described vacuum pump lube oil purification unit among the claim 1-5, may further comprise the steps:
Be introduced into the lubricant oil in the vacuum pump (1) in the primary separator (2) and in described primary separator (2), be separated into light component and heavy ends;
Make separated described heavy ends enter in the heavy ends cooler (3) and in described heavy ends cooler (3), cool off;
Make described heavy ends enter in the heavy ends filter (4) and in described heavy ends filter (4) and filter through cooling;
Filtered described heavy ends are flow back into continue in the described vacuum pump (1) to use.
7. the method for purification lubricant oil according to claim 6, wherein, utilize the conduction oil in the thermal conductive oil pipeline of described primary separator (2) that the described lubricant oil that enters described primary separator (2) is heated, described conduction oil flows to the top of described primary separator (2) from the bottom of described primary separator (2).
8. the method for purification lubricant oil according to claim 7, wherein, utilize the primary separator thermoscope (T1) of described primary separator (2) to measure temperature in the described primary separator (2), according to the size of controlling modulating valve (25) aperture on the described thermal conductive oil pipeline through the described temperature of measuring.
9. according to the method for each described purification lubricant oil among the claim 6-8, further comprising the steps of:
Make the light component of from described primary separator (2), separating enter light component cooler (5), and in described light component cooler (5), cool off, form the mixture of liquefaction light component and gas component;
Make through the described liquefaction light component of cooling and the mixture of gas component and enter second-stage separator (6), 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 from described second-stage separator (6), separating enter pneumatic filter (7), and in described pneumatic filter (7), filter, filtered described gas component is discharged from emptying outlet (72).
10. the method for purification lubricant oil according to claim 9, 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) that the described light component that enters the described light component cooler (5) is cooled off.
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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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103727004A (en) * | 2014-01-17 | 2014-04-16 | 吉首大学 | Automatic drying vacuum pump for lubricating oil |
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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 |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727004A (en) * | 2014-01-17 | 2014-04-16 | 吉首大学 | Automatic drying vacuum pump for lubricating oil |
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| CN102011929B (en) | 2014-04-16 |
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