CN104500460A - Oil-gas separation lubricating oil tank - Google Patents

Oil-gas separation lubricating oil tank Download PDF

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Publication number
CN104500460A
CN104500460A CN201410738214.9A CN201410738214A CN104500460A CN 104500460 A CN104500460 A CN 104500460A CN 201410738214 A CN201410738214 A CN 201410738214A CN 104500460 A CN104500460 A CN 104500460A
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CN
China
Prior art keywords
oil
casing
filter screen
pipe joint
baffle plate
Prior art date
Application number
CN201410738214.9A
Other languages
Chinese (zh)
Other versions
CN104500460B (en
Inventor
薛利
李鹏飞
鲁拥政
杨燕妹
杜勇
刘帅
Original Assignee
西安航空动力控制科技有限公司
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Filing date
Publication date
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Priority to CN201410738214.9A priority Critical patent/CN104500460B/en
Publication of CN104500460A publication Critical patent/CN104500460A/en
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Publication of CN104500460B publication Critical patent/CN104500460B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/26Supply reservoir or sump assemblies
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04Special measures taken in connection with the properties of the fluid
    • F15B21/041Removal or measurement of solid or liquid contamination, e.g. filtering
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04Special measures taken in connection with the properties of the fluid
    • F15B21/042Controlling the temperature of the fluid

Abstract

The invention belongs to the technical field of hydraulics, and relates to improvement on a high-temperature oil-gas separation lubricating oil tank in a hydraulic testing system. The oil-gas separation lubricating oil tank comprises an oil outlet pipe joint (1), an oil return pipe joint (2), a tank body (4), a temperature sensor (5), a heater (7), an oil drain valve (8), an air cleaner (10) and an oil filler assembly, and is characterized in that an oil return cavity defined by a baffle (6), a horizontal filter screen (17) and a vertical filter screen (18) is formed inside the tank body (4); an oil return diffuser (3) is arranged inside the tank body (4). The improved high-temperature oil-gas separation lubricating oil tank in the hydraulic testing system, provided by the invention, solves the oil-gas separation problem of the lubricating oil, avoids cavitation of an oil well pump, and ensures the properties of the oil well pump and normal proceeding of the high-temperature long-term test of the product.

Description

A kind of Oil-gas Separation oil tank
Technical field
The invention belongs to technical field of hydraulic pressure, relate to the improvement high-temperature oil gas in a kind of hydraulic test system being separated to oil tank.
Background technique
Oil storage is not only in the effect that high-temperature oil gas in current a kind of hydraulic test system is separated oil tank, for system provides oil sources, also plays a part to maintain the bubble in hydraulic test system oil temperature, oil and water separation and deposit fouling thing.Air containing certain capacity in normal lubricating oil, when lubricating oil passes through the product of oil well pump, pipeline and High Rotation Speed, a large amount of dissociated airs and oil gas are pumped in return line, air content in lubricating oil is increased greatly, become air lubricating oil emulsified liquid and get back to fuel tank, then be extracted into product import by oil well pump, this will reduce the performance of lubricating oil greatly, increase the flow resistance in the consumption of lubricating oil and pipeline, increase the oil pumping ability of pump.The rotating speed improving pump that increases through of the oil pumping ability of pump realizes, and rotating speed improve be subject to pump the restriction of cavitation erosion performance.Test long the having a try of the high temperature of certain product, because original Oil-gas Separation oil tank cannot solve Oil-gas Separation problem, long high temperature test, a large amount of bubbles moves in the impeller of oil well pump with fluid, cause the cavitation erosion of oil well pump, make the hydraulic performance decline of oil well pump, produce noise and vibration, product inlet pressure is caused to swing, cannot normal assays.
Summary of the invention
The object of the invention is: the high-temperature oil gas proposing to improve in a kind of hydraulic test system is separated oil tank, to solve an Oil-gas Separation difficult problem for lubricating oil, avoids the cavitation erosion causing oil well pump, what guarantee oil pumping pump performance and product high temperature length were had a try and tested normally carries out.
Technological scheme of the present invention is: a kind of Oil-gas Separation oil tank, comprises flowline connection to subsea 1, oil returning pipe joint 2, casing 4, temperature transducer 5, heater 7, fuel outlet valve 8, air-strainer 10 and oil filler assembly, casing 4 is cuboids, an oil returning pipe joint 2 is had near the position of back side panel on the top of the left sideboard of casing 4, a flowline connection to subsea 1 is had near the position of front side plate in the bottom of the left sideboard of casing 4, the external cylindrical surface of flowline connection to subsea 1 is fixed wtih temperature transducer 5, the top board of casing 4 has an air-strainer 10 and oil filler assembly, oil filler assembly is by the oil filling pipe joint 11 on casing 4 top board, filler cap 12 and hoop component 13 form, the upper end-hole of oil filling pipe joint 11 is with flange, filler cap 12 covers on the flange of oil filling pipe joint 11 upper end-hole, the flange of oil filling pipe joint 11 is connected for overall by hoop component 13 with the circumferential edges of filler cap 12, be provided with row's heater 7 in the lower horizontal of the right sideboard of casing 4, the quantity of heater 7 is 3 ~ 10, has a fuel outlet valve 8 at the base plate center of casing 4, it is characterized in that:
A, in casing 4, there is an oil back chamber surrounded with vertical filter screen 18 by baffle plate 6, horizontal filter screen 17; Baffle plate 6 is rectangular plate, the upper surface of the lower limb of baffle plate 6 and the base plate of casing 4 is welded as entirety, the internal surface of the left hand edge of baffle plate 6 and the left sideboard of casing 4 is welded as entirety, oil returning pipe joint 2 is positioned at after baffle plate 6, flowline connection to subsea 1 is positioned at before baffle plate 6, and the top edge of baffle plate 6 is higher than the upper limb at least 100mm of oil returning pipe joint 2 endoporus; The horizontal filter screen 17 of a rectangle is had in casing 4, the internal surface of the left hand edge of horizontal filter screen 17 and the left sideboard of casing 4 is welded as entirety, the front edge of horizontal filter screen 17 and the rear surface of baffle plate 6 are welded as entirety, and the rear edge of horizontal filter screen 17 and the internal surface of casing 4 back side panel are welded as entirety; The vertical filter screen 18 of a rectangle is had in casing 4, the rear surface of vertical filter screen 18 front edge and baffle plate 6 is welded as entirety, the internal surface of vertical filter screen 18 rear edge and casing 4 back side panel is welded as entirety, and the right hand edge of vertical filter screen 18 lower limb and horizontal filter screen 17 is welded as entirety;
B, in casing 4, there is an oil return diffuser 3, it is the cylinder that a left end opens wide, right-hand member is closed, the cylndrical surface and right side of oil return diffuser 3 are uniform-distribution with diffusion hole, aperture D=5mm ~ the 10mm of diffusion hole, the percent opening of diffusion hole is not less than 40%, the aperture of oil return diffuser 3 left port is identical with the aperture of oil returning pipe joint 2, and the inner port of oil return diffuser 3 left port and oil returning pipe joint 2 is welded as entirety.
Advantage of the present invention is: propose the high-temperature oil gas improved in a kind of hydraulic test system and be separated oil tank, solve an Oil-gas Separation difficult problem for lubricating oil, avoid the cavitation erosion causing oil well pump, ensure that oil pumping pump performance and product high temperature long have a try and test normally carry out.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.In figure, the outer direction of paper is front, and in paper, direction is rear, and direction is constant up and down.
Fig. 2 is the A-A sectional view of Fig. 1.
Embodiment
Below the present invention is described in further details.See Fig. 1,2, a kind of Oil-gas Separation oil tank, comprises flowline connection to subsea 1, oil returning pipe joint 2, casing 4, temperature transducer 5, heater 7, fuel outlet valve 8, air-strainer 10 and oil filler assembly, casing 4 is cuboids, an oil returning pipe joint 2 is had near the position of back side panel on the top of the left sideboard of casing 4, a flowline connection to subsea 1 is had near the position of front side plate in the bottom of the left sideboard of casing 4, the external cylindrical surface of flowline connection to subsea 1 is fixed wtih temperature transducer 5, the top board of casing 4 has an air-strainer 10 and oil filler assembly, oil filler assembly is by the oil filling pipe joint 11 on casing 4 top board, filler cap 12 and hoop component 13 form, the upper end-hole of oil filling pipe joint 11 is with flange, filler cap 12 covers on the flange of oil filling pipe joint 11 upper end-hole, the flange of oil filling pipe joint 11 is connected for overall by hoop component 13 with the circumferential edges of filler cap 12, be provided with row's heater 7 in the lower horizontal of the right sideboard of casing 4, the quantity of heater 7 is 3 ~ 10, has a fuel outlet valve 8 at the base plate center of casing 4.It is characterized in that:
A, in casing 4, there is an oil back chamber surrounded with vertical filter screen 18 by baffle plate 6, horizontal filter screen 17; Baffle plate 6 is rectangular plate, the upper surface of the lower limb of baffle plate 6 and the base plate of casing 4 is welded as entirety, the internal surface of the left hand edge of baffle plate 6 and the left sideboard of casing 4 is welded as entirety, oil returning pipe joint 2 is positioned at after baffle plate 6, flowline connection to subsea 1 is positioned at before baffle plate 6, and the top edge of baffle plate 6 is higher than the upper limb at least 100mm of oil returning pipe joint 2 endoporus; The horizontal filter screen 17 of a rectangle is had in casing 4, the internal surface of the left hand edge of horizontal filter screen 17 and the left sideboard of casing 4 is welded as entirety, the front edge of horizontal filter screen 17 and the rear surface of baffle plate 6 are welded as entirety, and the rear edge of horizontal filter screen 17 and the internal surface of casing 4 back side panel are welded as entirety; The vertical filter screen 18 of a rectangle is had in casing 4, the rear surface of vertical filter screen 18 front edge and baffle plate 6 is welded as entirety, the internal surface of vertical filter screen 18 rear edge and casing 4 back side panel is welded as entirety, and the right hand edge of vertical filter screen 18 lower limb and horizontal filter screen 17 is welded as entirety.
B, in casing 4, there is an oil return diffuser 3, it is the cylinder that a left end opens wide, right-hand member is closed, the cylndrical surface and right side of oil return diffuser 3 are uniform-distribution with diffusion hole, aperture D=5mm ~ the 10mm of diffusion hole, the percent opening of diffusion hole is not less than 40%, the aperture of oil return diffuser 3 left port is identical with the aperture of oil returning pipe joint 2, and the inner port of oil return diffuser 3 left port and oil returning pipe joint 2 is welded as entirety.
In order to improve resistant to rust ability, flowline connection to subsea 1, oil returning pipe joint 2, casing 4, oil filler assembly, baffle plate 6, horizontal filter screen 17, vertical filter screen 18 are by stainless steel material manufacture.
Working principle of the present invention is:
Oil return diffuser 3 is cylinders that a left end opens wide, right-hand member is closed, the cylndrical surface and right side of oil return diffuser 3 are uniform-distribution with diffusion hole, oil return diffuser 3 is rolled by circular hole screen plate and is welded, as calculated, punching rate is not less than 40%, and object is the flow velocity of hydraulic system oil return fluid to reduce by more than ten times.The flow velocity of hydraulic system oil return fluid is dropped to below 0.8cm/s from 0.8m/s by the present invention, and when bubble is less than 0.8cm/s perpendicular to the gauze speed of fluid velocity attitude, the separating rate of bubble is the most effective.And impel oil return to be close to fuel tank wall to increase radiating effect, extend the residence time of fluid in fuel tank to remove the air in fluid simultaneously.Thus prevent from occurring inflation and foam in oil return, stop hole and inflation, and reduce the eddy current of fluid.Meanwhile, the sensing of return line flowing, away from fuel tank oil outlet, can be assisted oil in fuel tank to carry out uniform circulation, and reduce pasta disturbance in fuel tank.
Baffle plate 6 is a vertical stainless steel baffle plate, be arranged between fuel tank oil outlet and return opening, length about 4/5 fuel tank cross-sectional length, originate in fuel tank bottom surface, exceed fuel tank liquid level 100mm (considering that the liquid level that high-temperature oil liquid volumetric expansion causes rises), baffle plate 6 is by the circulation passage of a spaced apart roundabout lengthening of oil outlet and return opening, fluid is made to arrive oil outlet along a very long path, the flow velocity of oil return fluid is reduced further, avoid oil outlet and oil return oral fluid flow disturbance, extend lubricating oil remaining time in fuel tank, fluid in fuel tank is fully merged, sliding bubble in oil is made to have the more time to flee from surface, also removing impurities is convenient to, simultaneously also in order to allow heat leave along fuel oil wall.
Have the vertical filter screen 18 of a rectangle in casing 4, object is the bubble in oil and water separation.According to Stoke's law, when wire gaze is vertical, the separating effect of bubble is best.Horizontal filter screen 17 is between heater 7 and oil returning pipe joint 2, vertical filter screen 18 is positioned at the right side of oil returning pipe joint 2, high from heater core 7 mounting point, and vertical with baffle plate 6, horizontal filter screen 17, vertical filter screen 18 form a closed space jointly with baffle plate 6, return opening part are surrounded.Object is to reduce the flow velocity of fluid in fuel tank, extends the holdup time of fluid on filter screen, and effective separate bubbles is in closed space.And fuel oil eddy current can be reduced, impurity in oil return system is filtered simultaneously.
Embodiment
One embodiment of the present of invention.Volume of fuel tank 1500 liters, height 1950mm.The drum diameter of oil return diffuser 3 is 200mm, is rolled be welded by circular hole screen plate, circular hole screen plate specification: thickness of slab 1mm, long 400mm, Circularhole diameter 7mm, punching rate about 42%.Cylinder external diameter 200mm, long 400mm after volume; The flow velocity of oil return fluid is effectively dropped to 0.7cm/s from 0.8m/s by oil return diffuser 3, has effectively been separated the bubble in fluid.Baffle plate 6 length dimension 800mm, height dimension 1600mm, fuel tank liquid level height 1500mm, exceed fuel tank liquid level 100mm, length about 4/5 fuel tank cross-sectional length, effectively by the spaced apart roundabout circulation passage long into about 2m of oil outlet and return opening, reduces further by the flow velocity of oil return fluid, extend lubricating oil remaining time in fuel tank, make sliding bubble in oil have the more time to flee from fluid surface.Vertical filter screen 18 in casing 4, length dimension 520mm, height dimension 1100mm.Horizontal filter screen 17 in casing 4, length dimension 800mm, width dimensions 520mm.Horizontal filter screen 17, vertical filter screen 18 form a closed space jointly with baffle plate 6, return opening part are surrounded.Effectively reduce the flow velocity of fluid in fuel tank, extend the holdup time of fluid on filter screen, and separate bubbles is in closed space.
High-temperature oil gas through above-mentioned improvement is separated oil tank, solves an Oil-gas Separation difficult problem for lubricating oil, avoids the cavitation erosion causing oil well pump, ensure that oil pumping pump performance and product high temperature long have a try and test normally carry out.

Claims (2)

1. an Oil-gas Separation oil tank, comprises flowline connection to subsea (1), oil returning pipe joint (2), casing (4), temperature transducer (5), heater (7), fuel outlet valve (8), air-strainer (10) and oil filler assembly, casing (4) is a cuboid, an oil returning pipe joint (2) is had near the position of back side panel on the top of the left sideboard of casing (4), a flowline connection to subsea (1) is had near the position of front side plate in the bottom of the left sideboard of casing (4), the external cylindrical surface of flowline connection to subsea (1) is fixed wtih temperature transducer (5), the top board of casing (4) has an air-strainer (10) and oil filler assembly, oil filler assembly is by the oil filling pipe joint (11) on casing (4) top board, filler cap (12) and hoop component (13) composition, the upper end-hole of oil filling pipe joint (11) is with flange, filler cap (12) covers on the flange of oil filling pipe joint (11) upper end-hole, the flange of oil filling pipe joint (11) is connected for overall by hoop component (13) with the circumferential edges of filler cap (12), be provided with row's heater (7) in the lower horizontal of the right sideboard of casing (4), the quantity of heater (7) is 3 ~ 10, has a fuel outlet valve (8) at the base plate center of casing (4), it is characterized in that:
A, in casing (4), there is an oil back chamber surrounded with vertical filter screen (18) by baffle plate (6), horizontal filter screen (17); Baffle plate (6) is rectangular plate, the upper surface of the lower limb of baffle plate (6) and the base plate of casing (4) is welded as entirety, the internal surface of the left hand edge of baffle plate (6) and the left sideboard of casing (4) is welded as entirety, oil returning pipe joint (2) is positioned at after baffle plate (6), flowline connection to subsea (1) is positioned at before baffle plate (6), and the top edge of baffle plate (6) is higher than the upper limb at least 100mm of oil returning pipe joint (2) endoporus; The horizontal filter screen (17) of a rectangle is had in casing (4), the internal surface of the left hand edge of horizontal filter screen (17) and the left sideboard of casing (4) is welded as entirety, the front edge of horizontal filter screen (17) and the rear surface of baffle plate (6) are welded as entirety, and the rear edge of horizontal filter screen (17) and the internal surface of casing (4) back side panel are welded as entirety; The vertical filter screen (18) of a rectangle is had in casing (4), the rear surface of vertical filter screen (18) front edge and baffle plate (6) is welded as entirety, the internal surface of vertical filter screen (18) rear edge and casing (4) back side panel is welded as entirety, and the right hand edge of vertical filter screen (18) lower limb and horizontal filter screen (17) is welded as entirety;
B, in casing (4), there is an oil return diffuser (3), it is the cylinder that a left end opens wide, right-hand member is closed, the cylndrical surface and right side of oil return diffuser (3) are uniform-distribution with diffusion hole, aperture D=5mm ~ the 10mm of diffusion hole, the percent opening of diffusion hole is not less than 40%, the aperture of oil return diffuser (3) left port is identical with the aperture of oil returning pipe joint (2), and the inner port of oil return diffuser (3) left port and oil returning pipe joint (2) is welded as entirety.
2. Oil-gas Separation oil tank according to claim 1, is characterized in that: flowline connection to subsea (1), oil returning pipe joint (2), casing (4), oil filler assembly, baffle plate (6), horizontal filter screen (17), vertical filter screen (18) are by stainless steel material manufacture.
CN201410738214.9A 2014-12-05 2014-12-05 A kind of Oil-gas Separation oil tank CN104500460B (en)

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CN104500460B CN104500460B (en) 2016-08-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108131202A (en) * 2017-11-20 2018-06-08 北京动力机械研究所 A kind of fanjet lubricating system exerciser

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008030232A (en) * 2006-07-26 2008-02-14 Nissei Plastics Ind Co Air bubble removing device of hydraulic oil of injection molding machine and hydraulic oil tank
CA2688005A1 (en) * 2009-01-30 2010-07-30 Husky Injection Molding Systems Ltd. Hydraulic reservoir tank
CN202833355U (en) * 2012-10-26 2013-03-27 愚公机械股份有限公司 Oil tank of hydraulic system of excavator
CN202937529U (en) * 2012-11-16 2013-05-15 玉柴重工(常州)有限公司 Hydraulic oil tank of loader
CN203348186U (en) * 2013-07-09 2013-12-18 厦门厦工机械股份有限公司 Hydraulic oil tank for rotary drilling rig
CN103821780A (en) * 2014-03-12 2014-05-28 石河子开发区合创农机装备有限公司 Hydraulic oil tank

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008030232A (en) * 2006-07-26 2008-02-14 Nissei Plastics Ind Co Air bubble removing device of hydraulic oil of injection molding machine and hydraulic oil tank
CA2688005A1 (en) * 2009-01-30 2010-07-30 Husky Injection Molding Systems Ltd. Hydraulic reservoir tank
CN202833355U (en) * 2012-10-26 2013-03-27 愚公机械股份有限公司 Oil tank of hydraulic system of excavator
CN202937529U (en) * 2012-11-16 2013-05-15 玉柴重工(常州)有限公司 Hydraulic oil tank of loader
CN203348186U (en) * 2013-07-09 2013-12-18 厦门厦工机械股份有限公司 Hydraulic oil tank for rotary drilling rig
CN103821780A (en) * 2014-03-12 2014-05-28 石河子开发区合创农机装备有限公司 Hydraulic oil tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108131202A (en) * 2017-11-20 2018-06-08 北京动力机械研究所 A kind of fanjet lubricating system exerciser

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