CN111203036A - Oil mist separator - Google Patents
Oil mist separator Download PDFInfo
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- CN111203036A CN111203036A CN202010125148.3A CN202010125148A CN111203036A CN 111203036 A CN111203036 A CN 111203036A CN 202010125148 A CN202010125148 A CN 202010125148A CN 111203036 A CN111203036 A CN 111203036A
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- Prior art keywords
- guide sleeve
- air guide
- oil mist
- oil
- centrifugal rotor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/18—Cleaning-out devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0422—Separating oil and gas with a centrifuge device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0438—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a filter
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention discloses an oil mist separator which comprises an inner air guide sleeve and a rotatable centrifugal rotor arranged in the inner air guide sleeve, wherein the inner air guide sleeve covers an outer air guide sleeve, the bottom of the inner air guide sleeve is provided with an air inlet pipe communicated with the centrifugal rotor, the centrifugal rotor is provided with disc-shaped blades at intervals in the height direction, the inner wall of the inner air guide sleeve is provided with an oil collecting groove and a pressure air port, the oil collecting groove is communicated with an oil discharge pipe, and an exhaust passage communicated with the pressure air port is arranged between the inner wall of the outer air guide sleeve and the outer wall of the inner air guide sleeve. The oil mist separator is characterized in that air is fed through the air inlet pipe, oil mist thrown out by the disc-shaped blades of the centrifugal rotor is collected by the oil collecting groove and then discharged, and gas with the oil mist removed is discharged through the exhaust passage.
Description
Technical Field
The invention relates to the technical field of machine tool oil mist separation, in particular to an oil mist separator.
Background
The machine tool generates a large amount of heat due to strong friction between metals during the process of cutting parts, and therefore, a cooling liquid is required to absorb heat during the process of machining the parts.
The cooling of the common emulsion absorbs heat, and in order to effectively lubricate, cool and clean, the cooling liquid undergoes the processes of pump circulation, spraying, jet flow and violent impact with a high-speed rotating cutter, high-temperature evaporation and the like in use, and oil mist generated by the cooling liquid is formed by the mutual interweaving of mechanical, physical and chemical properties and the like. The oil mist separator is equipment for physically separating oil drops of fine particles, is wide in application field, is commonly installed on various processing equipment such as CNC (computerized numerical control) processing centers, cleaning machines and die casting machines, is used for removing oil mist and liquid mist mixed in gas, purifying air and protecting the health of workers, and can also be used in the fields of processing various mixed gases such as kitchen oil fume treatment and chemical liquid mist treatment. At present, an oil mist separator applied to a CNC (computer numerical control) machine tool is large in size, complex in structure, low in separation efficiency, high in maintenance cost and high in requirement on installation environment.
Therefore, how to provide an oil mist separator with simple structure, good separation effect and convenient installation and maintenance is a technical problem which needs to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide an oil mist separator, which is characterized in that air is fed through an air inlet pipe, oil mist separated and thrown out through a disc-shaped blade of a centrifugal rotor is collected through an oil collecting groove and then discharged, and gas with the oil mist removed is discharged through an exhaust passage.
In order to achieve the purpose, the invention provides an oil mist separator which comprises an inner air guide sleeve and a rotatable centrifugal rotor arranged in the inner air guide sleeve, wherein the inner air guide sleeve covers the outer air guide sleeve, the bottom of the inner air guide sleeve is provided with an air inlet pipe communicated with the centrifugal rotor, the centrifugal rotor is provided with disc-shaped blades at intervals in the height direction, the inner wall of the inner air guide sleeve is provided with an oil collecting groove and a pressure air port, the oil collecting groove is communicated with an oil discharge pipe, and an exhaust passage communicated with the pressure air port is arranged between the inner wall of the outer air guide sleeve and the outer wall of the inner air guide sleeve.
Preferably, the top of the outer air guide sleeve is detachably provided with a filter communicated with the exhaust passage, and an air outlet of the filter is provided with a pressure difference meter.
Preferably, the air compression openings are formed in the lower side of the oil collecting groove, the oil collecting groove is arranged in a circular mode along the circumference, and the air compression openings are uniformly distributed along the circumference.
Preferably, the bottom of the centrifugal rotor is provided with a cleaning nozzle which is positioned in the air inlet pipe and has an adjustable spraying angle.
Preferably, the bottom of the inner air guide sleeve is fixedly connected with the outer air guide sleeve through a base plate, and a horn cover is arranged between the air inlet pipe and the base plate.
Preferably, the centrifugal rotor, the inner air guide sleeve and the outer air guide sleeve are overlapped by the central line, the top of the inner air guide sleeve is connected with a motor flange in a sealing mode, and the motor flange is provided with a motor used for driving the centrifugal rotor.
Preferably, the output shaft of the motor passes through the shaft coupling with centrifugal rotor fixed connection, the output shaft with be equipped with the motor connecting piece between the shaft coupling, the motor connecting piece with be equipped with rubber shock absorber between the motor flange, the motor connecting piece with motor flange contact department is equipped with sealed pad and sealed clamp plate that fills up.
Preferably, the motor connecting piece and the motor flange have Z-shaped roundabout cross sections in longitudinal section, and the bottom of the motor flange is provided with a downward extending section.
Preferably, the centrifugal rotor comprises an upper pressing plate and a lower pressing plate which are arranged at the upper end and the lower end of the disc-shaped blade, the upper pressing plate and the lower pressing plate are tensioned and fixed into a whole through at least three pull rods, inner screws are arranged at the upper end and the lower end of each pull rod, taper sleeve mounting grooves are formed in the upper pressing plate and the lower pressing plate, and taper sleeves for drawing and fixing the disc-shaped blade are mounted in the taper sleeve mounting grooves.
Preferably, dish-shaped blade is the loudspeaker form, the inside wall of dish-shaped blade is equipped with the rib of equipartition, the bottom opening of dish-shaped blade is equipped with the mount table, the mount table is equipped with mount table chamfer and spherical arch, the mount table still is equipped with the square mouth groove that is used for the installation location and is used for installing the circular arc groove of pull rod, the square mouth groove with the circular arc groove is along the crisscross equipartition of circumference, the square mouth groove with be equipped with between the circular arc groove with the locating piece that the square mouth groove corresponds.
Compared with the prior art, the oil mist separator provided by the invention comprises an inner air guide sleeve and an outer air guide sleeve, wherein the inner air guide sleeve is arranged in the outer air guide sleeve, a rotatable centrifugal rotor is arranged in the inner air guide sleeve, the bottom of the inner air guide sleeve is provided with an air inlet pipe, the air inlet pipe is communicated with the centrifugal rotor, the centrifugal rotor is provided with disc-shaped blades at intervals in the height direction, the inner wall of the inner air guide sleeve is provided with an oil collecting groove and an air pressing opening, the oil collecting groove is communicated with an oil discharge pipe, the air pressing opening is communicated with an exhaust passage between the outer air guide sleeve and the inner air guide sleeve, the oil mist separator realizes the introduction of gas mixed with liquid mist such as oil mist and the like through the air inlet pipe, the oil mist in the centrifugal rotor is thrown out through the disc-shaped blades by the rotation of the centrifugal rotor, the collection of the centrifugally thrown oil mist is realized through the oil collecting groove, the oil mist is discharged through, the oil mist separator is mainly used for liquid mist separation in machine tool machining, such as oil mist separation and the like, is used for removing liquid mist mixed in gas, such as oil mist and the like, purifies the air, can be used for treating various mixed gases such as kitchen oil fume treatment, chemical liquid mist treatment and the like, and has the characteristics of simple structure, good separation effect and convenience in installation and maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of the interior of an oil mist separator provided in an embodiment of the present invention;
FIG. 2 is a schematic flow diagram of the interior of the oil mist separator of FIG. 1;
fig. 3 is a schematic structural view of the exterior of the oil mist separator provided in the embodiment of the invention;
FIG. 4 is a schematic view of the oil mist separator of FIG. 3, partially in section;
FIG. 5 is a schematic diagram of a half-section of the oil mist separator of FIG. 3;
fig. 6 is a front structural sectional view of an oil mist separator provided in an embodiment of the invention;
FIG. 7 is a schematic view of the connection of the centrifuge rotor of FIG. 6;
FIG. 8 is a schematic view of the disk blade of FIG. 7;
FIG. 9 is a bottom view of the outer side of the disk blade of FIG. 8;
FIG. 10 is an enlarged partial schematic view of the dish blade of FIG. 8;
fig. 11 is a partially enlarged view of the oil sump of fig. 5.
Wherein:
1-air inlet pipe, 2-air pipe flange, 3-centrifugal rotor, 4-inner air guide sleeve, 5-oil collecting tank, 6-oil discharge pipe, 7-cleaning nozzle, 8-differential pressure gauge, 9-outer air guide sleeve, 10-filter, 11-filter flange, 12-base flange, 13-cleaning pipeline, 14-waterproof joint, 15-motor, 16-base plate, 17-horn cover, 18-motor flange, 19-filter support, 20-filter press plate, 21-motor connecting piece, 22-rubber shock absorber, 23-coupler, 24-upper press plate, 25-air pressing port, 26-lifting ring screw, 27-disc-shaped blade, 28-lower press plate, 29-cone sleeve mounting groove, 30-cone sleeve, 31-pull rod, 32-sealing gasket, 33-sealing gasket pressing plate, 34-mounting table, 35-square groove, 36-arc groove, 37-rib, 38-positioning block, 39-spherical protrusion, 40-mounting table chamfer and 41-oil drainage seam.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 11, fig. 1 is a schematic diagram illustrating an internal structure of an oil mist separator according to an embodiment of the present invention, fig. 2 is a schematic diagram illustrating a flow inside the oil mist separator in fig. 1, fig. 3 is a schematic diagram illustrating an external structure of the oil mist separator according to the embodiment of the present invention, fig. 4 is a schematic diagram illustrating a partially cut-away structure of the oil mist separator in fig. 3, fig. 5 is a schematic diagram illustrating a half-sectional structure of the oil mist separator in fig. 3, fig. 6 is a cross-sectional diagram illustrating a front view of the oil mist separator according to the embodiment of the present invention, fig. 7 is a schematic diagram illustrating a connection relationship of a centrifugal rotor in fig. 6, fig. 8 is a schematic diagram illustrating a structure of a disk-shaped blade in fig. 7, fig. 9 is a schematic diagram illustrating an outer bottom end of the disk-shaped blade in fig. 8, fig. 10 is a schematic diagram illustrating a partially enlarged view.
In a first specific embodiment, the oil mist separator provided by the invention comprises a centrifugal rotor 3, an inner air guide sleeve 4 and an outer air guide sleeve 9, wherein the centrifugal rotor 3 is arranged in the inner air guide sleeve 4, the inner air guide sleeve 4 is arranged in the outer air guide sleeve 9, the centrifugal rotor 3 is rotatable and is provided with disc-shaped blades 27 at intervals along the height direction, the bottom of the inner air guide sleeve 4 is provided with an air inlet pipe 1, the air inlet pipe 1 is communicated with the centrifugal rotor 3, the inner wall of the inner air guide sleeve 4 is provided with an oil collecting tank 5 and an air pressing port 25, the oil collecting tank 5 is communicated with an oil discharge pipe 6 penetrating through the outer air guide sleeve 9, the air pressing port 25 is communicated with an exhaust passage penetrating through the inner air guide sleeve 4, and the exhaust passage is a cavity passage between the outer wall of the inner air guide sleeve.
In this embodiment, gas mixed with mist such as oil mist is introduced into the centrifugal rotor 3 through the gas inlet pipe 1, the centrifugal rotor 3 runs at a high speed, the oil mist mixed in the gas is captured and accumulated into oil drops at the disk-shaped blades 27, and further thrown onto the inner wall of the inner air guide sleeve 4 under the action of centrifugal force, and then flows downwards into the oil collecting tank 5 arranged at the bottom of the inner wall of the inner air guide sleeve 4, the oil content is collected in the oil collecting tank 5, and the collected oil is recycled through the oil discharge pipe 6, for example, recycled to the machine tool.
On the basis, the gas separated from the oil mist is purified, and the purified gas is pressed into the exhaust passage through the pressure air inlet 25 under the action of pressure and is directly discharged through the exhaust passage or is discharged after being filtered.
For better technical effect, the air inlet pipe 1 is provided with a primary filter screen for primary filtering of mixed gas entering the oil mist separator to filter large-particle impurities to block and damage internal components of the oil mist separator.
In addition, the top of the outer air guide sleeve 9 is detachably provided with a filter 10 communicated with the exhaust passage, the gas exhausted from the exhaust passage is filtered through the filter 10, and the qualified gas after filtering treatment can be discharged into the atmosphere; further, the air outlet of the filter 10 is provided with a pressure difference meter 8, the air change is detected through the pressure difference meter 8, and the service condition of the filter element in the filter 10, such as the clogging degree, is further monitored.
Specifically, the top of the outer dome 9 is connected to a filter holder 19 through a filter flange 11, a filter 10 is mounted on the filter holder 19, and the filter 10 is detachably fixed to the filter holder 19 through a filter pressing plate 20.
In this embodiment, the oil mist separator is a separator for oil-gas mixture and water-gas mixture, and is mainly used for oil mist separation and liquid-mist separation in machine tool machining, and is used for removing oil mist and liquid mist mixed in gas, so as to achieve the effect of purifying air, and can also be used in various mixed gas processing fields such as kitchen oil fume processing and chemical liquid mist processing.
For better technical effect, the bottom of the centrifugal rotor 3 is provided with a cleaning nozzle 7 which is positioned in the air inlet pipe 1 and has adjustable spraying angle, the cleaning nozzle 7 is communicated with a cleaning pipeline 13 penetrating into the outer air guide sleeve 9, the centrifugal rotor 3 which is used and works for a period of time can be sprayed, and dirt is prevented from being adhered to the inner wall of the centrifugal rotor 3 to influence the separation and oil removal effect. In the concrete working process, the inner wall of the centrifugal rotor 3 can accumulate and leave sticky particles such as dirt, impurities and the like, so that the centrifugal rotor 3 is blocked, the angle of the cleaning nozzle 7 is adjustable, the spraying range is adjustable, the inner wall of the centrifugal rotor 3 can be cleaned, the blockage is prevented, the centrifugal separation effect is ensured, and the cleaning water pressure is 2-7 Bar.
The outer dome 9 may be cylindrical, or may be square, polygonal, or other shapes. The outer air guide sleeve 9 covers the inner air guide sleeve 4, the inner air guide sleeve 4 covers the centrifugal rotor 3, and the waterproof connector 14 is arranged on the wall surface of the shell of the outer air guide sleeve 9 and used for ensuring the sealing performance inside and outside the oil mist separator and facilitating the connection of cables.
In this embodiment, the outer dome 9 and the inner dome 4 may be both configured to have a cylindrical shape with a circular cross section, the oil collecting tank 5 is an annular groove and is circumferentially and annularly disposed on the inner wall of the inner dome 4, the oil collecting tank 5 extends inward relative to the inner dome 4, the number of the air pressure ports 25 is multiple, the multiple air pressure ports are disposed on the lower side of the oil collecting tank 5, and the multiple air pressure ports 25 are circumferentially and uniformly disposed on the inner wall of the inner dome 4.
Besides, the bottom of the inner air guide sleeve 4 is fixedly connected with the outer air guide sleeve 9 through a base plate 16, the base plate 16 can be fixed through a base flange 12, the air inlet pipe 1 can be fixed through an air pipe flange 2, a horn cover 17 is arranged between the air inlet pipe 1 and the base plate 16, the horn cover 17 is used for isolating a cavity between the horn cover and the centrifugal rotor 3, energy loss caused by vortex is reduced, and the centrifugal rotor 3 forms more effective positive pressure. The inboard of loudspeaker cover 17 is the bottom of centrifugal rotor 3, and oil extraction pipe 6 is connected to the oil collecting tank 5 of locating inner kuppe 4 inner wall through the tee bend pipeline, is provided with a plurality of equipartition oil extraction seams 41 along oil collecting tank 5 circumference, and oil extraction seam 41 communicates oil extraction pipe 6, realizes a plurality of oil extraction seams 41 synchronous collection refluxes to the oil content.
In a specific embodiment, the centre lines of the centrifugal rotor 3, the inner air guide sleeve 4 and the outer air guide sleeve 9 are coincident, the oil mist separator is in an axisymmetric structure, the top of the inner air guide sleeve 4 is hermetically connected with the motor flange 18, so that the inner air guide sleeve 4 and the outer air guide sleeve 9 are hermetically sealed except for the air pressing port 25, and the motor flange 18 is provided with the motor 15.
In this embodiment, since the top of the inner air guide sleeve 4 is hermetically connected to the motor flange 18, air-tight and air-free, under the condition that the centrifugal rotor 3 continuously works, clean air after centrifugal adsorption treatment flows downward under the subsequent pressure, enters the exhaust passage between the inner air guide sleeve 4 and the outer air guide sleeve 9 through the air inlet 25 under the pressure, is then pushed upward into the outer air guide sleeve 9 and the external cavity of the motor 15 under the subsequent pressure, and is subsequently sent into the filter 10 for filtration treatment.
Specifically, the top of interior kuppe 4 is connected with the motor cabinet through motor flange 18, supports on the motor cabinet and is fixed with motor 15, and motor 15 drive centrifugal rotor 3 high-speed rotatory, realizes catching the oil content that gets into among them oil mist through intake pipe 1 and accumulates to get rid of on the inner wall of interior kuppe 4 under the centrifugal force effect, then flow into in the oil collecting tank 5 of interior kuppe 4 bottom, the rethread oil discharge pipe 6 is retrieved the oil that gathers and is used to the lathe in the reuse.
Further, an output shaft of the motor 15 is fixedly connected with the centrifugal rotor 3 through a coupler 23, a motor connecting piece 21 is arranged between the output shaft and the coupler 23, a rubber damper 22 is arranged between the motor connecting piece 21 and the motor flange 18, and a sealing gasket 32 and a sealing gasket pressing plate 33 are arranged at the contact position of the motor connecting piece 21 and the motor flange 18.
More specifically, the centrifugal rotor 3 is a centrifugal disk group consisting of a plurality of disk-shaped blades 27, i.e. a disk-shaped blade group, and the output shaft of the motor 15 is connected to the motor connector 21 on the centrifugal rotor 3, so as to drive the centrifugal disk group to rotate. The output shaft of the motor 15 is provided with a motor connecting piece 21, and a sealing structure is arranged between the motor 15 and the motor connecting piece 21 so as to improve the sealing performance of the connecting structure between the motor 15 and the inner air guide sleeve 4. Wherein, motor connecting piece 21 passes through rubber shock absorber 22 to be connected on motor base assembly, motor base assembly passes through motor flange 18 and is connected to on the motor flange seat of interior kuppe 4, and motor flange 18 is provided with sealed the pad 32 with motor connecting piece 21 contact department, be provided with sealed pad clamp plate 33 on the sealed pad 32 in order to improve sealed effect of pad 32, the output shaft of motor 15 passes through the shaft coupling 23 and is connected to the top board 24 at centrifuge bowl group top in the centrifuge rotor 3 on, drive centrifuge bowl group through top board 24 and rotate. The centrifugal plate group of intake pipe 1 department is provided with holding down plate 28, and the top of intake pipe 1 is provided with a plurality of through-holes of different sizes, and the through-hole includes aperture and macropore, and the effect of aperture is to weave the steel wire protection network, and the effect of macropore is that unnecessary liquid flows back to the lathe from here when wasing.
In addition, the longitudinal sections of the motor connecting piece 21 and the motor flange 18 are Z-shaped circuitous sections, the bottom of the motor flange 18 is provided with an extension section extending downwards, a local space is separated through the extension section, energy loss caused by eddy current generated by high-speed rotation of the centrifugal rotor 3 is reduced, the upper end face of the motor connecting piece 21 is provided with a lifting bolt 26, and lifting is achieved in the mounting and dismounting process through the lifting bolt 26.
In this embodiment, the centrifugal rotor 3 includes an upper pressing plate 24 and a lower pressing plate 28 disposed at the upper and lower ends of the disc-shaped blade 27, the upper pressing plate 24 and the lower pressing plate 28 are tightened and fixed into a whole by at least three tie rods 31, inner screws are disposed at the upper and lower ends of the tie rods 31, the upper pressing plate 24 and the lower pressing plate 28 are provided with taper sleeve mounting grooves 29, and the taper sleeve mounting grooves 29 are provided with taper sleeves 30 for drawing and fixing the disc-shaped blade 27.
Illustratively, the shaft coupling 23 on the output shaft of the motor 15 is connected with the butterfly blade group, so that the butterfly blade group is driven to rotate by the shaft coupling 23, and the butterfly blade group is formed by stacking a plurality of butterfly blades 27 in sequence, for 10m3Oil mist discharge amount, adopt 187 layers butterfly blade 27, butterfly blade 27 interval control is in the gap about 0.45mm the air current uses the laminar flow to be the main, the air flow direction is stable, pressure loss is little, be favorable to the air current to promote liquid granule and collide the gathering to the exit fast, if the butterfly blade 27 interval is too big if surpassing 0.8mm, the air current is the flocculation flow state in the butterfly blade 27 clearance, the air current is in the random motion state in the butterfly blade 27, the oil mist granule that horizontal air current will gather blows off the atomizing, cause the separation efficiency to reduce.
In addition, the design flow rate of the oil mist separator is 1000m3And the wind speed in the butterfly-shaped blade 27 is checked and calculated to be about 7m/s after actual measurement, and experimental data prove that the inclination angle and the flow of the butterfly-shaped blade 27 have a certain corresponding relationWherein, the smaller the inclination angle of the butterfly blade 27, the larger the total force that the oil mist particles receive, the shorter the time for the oil mist particles to gather and collide on the butterfly blade 27, and the oil mist particles are discharged quickly before gathering and becoming larger, and the secondary atomization occurs; conversely, the smaller the angle of inclination of the butterfly vane 27, the smaller the total force to which the oil mist particles are subjected, and the longer the time for the oil mist particles to collide against the butterfly vane 27. Illustratively, the angle of inclination of the butterfly blade 27 is selected to be 45 ° optimal, which can achieve a flow rate of 1000m for the oil mist separator3The design requirements of (2). Furthermore, the working environment of the dust removing and oil mist purifying equipment generally contains dust such as steel, iron and the like, so that the minimum air speed in the air inlet pipe 1 is required to be not lower than 14m/s, and the design flow of the oil mist separator is 1000m3Illustratively, the diameter of the air inlet is 160mm, that is, the diameter of the inner ring of the disc-shaped blade 27 is 160 mm. The distance between the outer ring of the disc-shaped blade 27 and the inner wall of the inner air guide sleeve 4 is required to ensure that oil separated by the disc-shaped blade 27 can be smoothly thrown to the inner wall of the inner air guide sleeve 4, and experimental data prove that under the condition that the wind speed is not more than 5.5m/s, liquid drops can be separated from the disc-shaped blade 27 and smoothly reach the inner wall of the inner air guide sleeve 4 without being taken away by high-speed airflow, and meanwhile, the appearance size of the oil mist separator is required to be compact and small, exemplarily, the designed wind speed is 4.5m/s, and the3The outer ring of the disc-shaped vane 27 is of a dimension of 310mm in diameter.
In this embodiment, the upper and lower ends of 187 layers of butterfly blade sets are provided with the upper pressing plate 24 and the lower pressing plate 28, and the upper pressing plate 24 and the lower pressing plate 28 are tightened and fixed into a whole by at least 3 tie rods 31, the two ends of the tie rods 31 are provided with the internal screw rods, so that the upper pressing plate 24 and the lower pressing plate 28 can be tightened and fixed into a whole, thereby tightening and fixing a plurality of butterfly blade sets into a whole, ensuring the stable gap between the butterfly blades 27 and the stable working state during the rotation work, the butterfly blade sets are provided with the taper sleeves 30 on the upper pressing plate 24 and the lower pressing plate 28 relative to the upper pressing plate 24 and the lower pressing plate 28, so as to form the closing and fixing force for the butterfly blade sets, the upper pressing plate 24 and the lower pressing plate 28 are provided with taper sleeve mounting grooves 29, the taper sleeves 30 are mounted in the taper sleeve mounting grooves 29, the opening angle sizes of the upper pressing plate 24 and the lower pressing plate 28 and the, ensures that the folding fixing force is stable and the fitting degree is good.
Specifically, dish-shaped blade 27 is the loudspeaker form, and dish-shaped blade 27's inside wall is equipped with the rib 37 of equipartition, and dish-shaped blade 27's bottom opening is equipped with mount table 34, and mount table 34 is equipped with mount table chamfer 40 and spherical bulge 39, and mount table 34 still is equipped with the square notch groove 35 that is used for the installation location and the circular arc groove 36 that is used for installing pull rod 31, and square notch groove 35 and circular arc groove 36 are along the crisscross equipartition of circumference, are equipped with the locating piece 38 that corresponds with square notch groove 35 between square notch groove 35 and the circular arc groove 36.
In the present embodiment, the circular arc groove 36 is used for accommodating the tie rod 31 when the tie rod 31 is installed, and the square groove 35 is used for installing and positioning when the multilayer disc-shaped blades 27 are assembled in an overlapping manner. Illustratively, the number of the circular arc grooves 36 is 4, the circular arc grooves 36 are uniformly distributed along the bottom circumference of the mounting table 34, the relative angle is 90 °, the number of the square groove 35 is 4, the circular arc grooves 36 and the square groove 35 are uniformly distributed along the bottom circumference of the mounting table 34, the relative angle is 90 °, the circular arc grooves 36 and the square groove 35 are relatively rotated by 45 °, the circular arc grooves are uniformly distributed on the mounting table 34 in equal intervals, a convex positioning block 38 is arranged in the direction of clockwise rotation by 15 ° near any square groove 35, the contour of the positioning block 38 is matched with the contour of the square groove 35 correspondingly, a second square groove is arranged in the direction of clockwise rotation by 15 ° near the square groove 35 adjacent to any square groove 35 after the square groove 35 is rotated by 90 ° counterclockwise, when a plurality of butterfly blades 27 are stacked, the positioning block 38 of one butterfly blade 27 is placed in the second square groove of another butterfly blade 27 adjacent to the butterfly blade 27, and the positioning blocks 38 between two adjacent butterfly blades 27 are sequentially installed in the position of relatively, the positioning blocks 38 between the mounted butterfly blades 27 are ensured to sequentially and orderly rotate, the positioning blocks 38 are mounted in the second square-mouth groove 35 to prevent the adjacent butterfly blades 27 from rotating relatively, and the butterfly-shaped blade group in the centrifugal rotor 3 integrally and synchronously rotates in the working process, so that the relative rotation between the butterfly blades 27 is avoided.
Besides, the mounting table 34 of the butterfly-shaped blades 27 is provided with the mounting table chamfer 40, which aims to guide the oil mist mixed gas to smoothly enter the cavity between the adjacent butterfly-shaped blades 27 under the guidance of the mounting table chamfer 40, and the situation of blockage and dirt accumulation is not easy to occur, the bottom end of the mounting table 34 is provided with the uniformly distributed spherical protrusions 39, so that a certain distance is ensured to be separated between the adjacent butterfly-shaped blades 27 after installation, the gap is ensured to be stable, and the parameters are stable. The ribs 37 of the butterfly blades 27 are used for forming oil drop discharging and collecting channels, and further flow into the oil collecting tank 5 after being thrown out, wherein the height and the width of the ribs 37 are required to ensure that the butterfly blades 27 have enough rigidity, so that the butterfly blades 27 are prevented from being deformed.
In this embodiment, the motor 15 in this oil mist separator drives the centrifugal rotor 3 to rotate at a high speed, the air inlet pipe 1 is at the empty position on the machine tool, under the action of negative pressure, the oil mist generated during the operation of the machine tool is pumped into the centrifugal rotor 3 by negative pressure through the air inlet pipe 1, and then is pumped into the gap between two adjacent disk-shaped blades 27, the oil mist in the air is captured and accumulated by the inner walls of the disk-shaped blades 27, and after being collected into oil drops, the oil drops are thrown onto the inner wall of the inner air guide sleeve 4 under the action of centrifugal force, and the oil drops flow into the oil collecting tank 5 along the inner wall of the air guide sleeve 4, and then are discharged into the oil discharge pipe 6 through the oil discharge gap 41 for recycling, and the processed air.
The oil mist separator adopts a centrifugal separation mode to capture, accumulate and centrifugally separate oil mist and small-particle oil mist in the oil mist and the liquid mist, can be used in any oil mist and liquid mist working environment, such as machine tools, production lines, range hoods and the like, is integrally miniaturized, has few consumable materials, can monitor each state in oil mist treatment, monitors the quality of discharged air, monitors whether oil is normally discharged or not, monitors pressure difference, further realizes monitoring whether the whole equipment is in a normal working state or not during working, and can automatically control the vacuum degree and the rotating speed of a centrifugal fan; through rationally setting up parts positions such as filter core, centrifugal fan, pipeline, oil return opening, with oil mist separator volume significantly reduced, effectively improved volume utilization and oil mist separation efficiency. The centrifugal separation type separator has the advantages that the centrifugal separation type separator is adopted, the whole separator device is miniaturized, the installation and maintenance are convenient, the structure is simple, the cost is low, the service life is long, the treatment effect is good, oil mist mixed in compressed air can be effectively filtered, the separation effect is good, the separation rate reaches 99%, the self-cleaning function is realized, the maintenance is free, only one motor 15 is arranged in a mechanical operation and electrical element, the low-cost automatic control can be realized, the whole sheet metal welding of the scheme is formed, the weight is light, the appearance is attractive, the strength is good, the service life is long, and the use cost is reduced. The separator has the characteristics of simple structure, small volume, convenience in installation, no maintenance, no material consumption and the like, and can effectively separate oil smoke mist and water mist, so that the cleanness of the working environment and the efficient separation and recovery of the oil mist are ensured.
The oil mist separator provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The oil mist separator is characterized by comprising an inner air guide sleeve (4) and a rotatable centrifugal rotor (3) arranged in the inner air guide sleeve (4), wherein the inner air guide sleeve (4) covers an outer air guide sleeve (9), the bottom of the inner air guide sleeve (4) is provided with an air inlet pipe (1) communicated with the centrifugal rotor (3), the centrifugal rotor (3) is provided with disc-shaped blades (27) at intervals in the height direction, the inner wall of the inner air guide sleeve (4) is provided with an oil collecting tank (5) and a pressure air port (25), the oil collecting tank (5) is communicated with an oil discharge pipe (6), and an exhaust passage communicated with the pressure air port (25) is arranged between the inner wall of the outer air guide sleeve (9) and the outer wall of the inner air guide sleeve (4).
2. The oil mist separator according to claim 1, characterized in that a filter (10) communicated with the exhaust passage is detachably arranged on the top of the outer air guide sleeve (9), and a pressure difference meter (8) is arranged at an air outlet of the filter (10).
3. The oil mist separator according to claim 1, characterized in that the air compressing openings (25) are arranged at the lower side of the oil collecting tank (5), the oil collecting tank (5) is arranged annularly along the circumference, and the air compressing openings (25) are arranged evenly along the circumference.
4. Oil mist separator according to claim 1, characterized in that the bottom of the centrifugal rotor (3) is provided with washing nozzles (7) in the inlet pipe (1) with adjustable spray angle.
5. The oil mist separator according to claim 1, characterized in that the bottom of the inner air guide sleeve (4) is fixedly connected with the outer air guide sleeve (9) through a base plate (16), and a horn cover (17) is arranged between the air inlet pipe (1) and the base plate (16).
6. Oil mist separator according to any one of the claims 1-5, characterized in that the centre lines of the centrifugal rotor (3), the inner air guide sleeve (4) and the outer air guide sleeve (9) coincide, the top of the inner air guide sleeve (4) being sealingly connected with a motor flange (18), the motor flange (18) being provided with a motor (15) for driving the centrifugal rotor (3).
7. The oil mist separator according to claim 6, characterized in that an output shaft of the motor (15) is fixedly connected with the centrifugal rotor (3) through a coupling (23), a motor connecting piece (21) is arranged between the output shaft and the coupling (23), a rubber damper (22) is arranged between the motor connecting piece (21) and the motor flange (18), and a sealing gasket (32) and a sealing gasket pressing plate (33) are arranged at the contact position of the motor connecting piece (21) and the motor flange (18).
8. The oil mist separator according to claim 7, characterized in that the motor connecting member (21) and the motor flange (18) each have a zigzag cross section in a longitudinal section, and the bottom of the motor flange (18) is provided with a downwardly extending extension.
9. The oil mist separator according to any one of the claims 1 to 5, characterized in that the centrifugal rotor (3) comprises an upper pressure plate (24) and a lower pressure plate (28) which are arranged at the upper and lower ends of the disc-shaped blade (27), the upper pressure plate (24) and the lower pressure plate (28) are fixed into a whole by being tensioned by at least three pull rods (31), the upper and lower ends of the pull rods (31) are provided with internal screw rods, the upper pressure plate (24) and the lower pressure plate (28) are provided with taper sleeve mounting grooves (29), and the taper sleeve mounting grooves (29) are provided with taper sleeves (30) for furling and fixing the disc-shaped blade (27).
10. The oil mist separator according to claim 9, characterized in that the disc-shaped blade (27) is in a shape of a horn, the inner side wall of the disc-shaped blade (27) is provided with uniformly distributed ribs (37), the bottom opening of the disc-shaped blade (27) is provided with a mounting table (34), the mounting table (34) is provided with a mounting table chamfer (40) and a spherical protrusion (39), the mounting table (34) is further provided with a square groove (35) for mounting and positioning and an arc groove (36) for mounting the pull rod (31), the square groove (35) and the arc groove (36) are uniformly distributed in a staggered manner along the circumference, and a positioning block (38) corresponding to the square groove (35) is arranged between the square groove (35) and the arc groove (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010125148.3A CN111203036A (en) | 2020-02-27 | 2020-02-27 | Oil mist separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010125148.3A CN111203036A (en) | 2020-02-27 | 2020-02-27 | Oil mist separator |
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| Publication Number | Publication Date |
|---|---|
| CN111203036A true CN111203036A (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010125148.3A Pending CN111203036A (en) | 2020-02-27 | 2020-02-27 | Oil mist separator |
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| CN (1) | CN111203036A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097380A (en) * | 2020-09-10 | 2020-12-18 | 天津大学 | Mechanical ventilation/local ventilation conversion system and control method for machining plant |
| CN112128033A (en) * | 2020-09-30 | 2020-12-25 | 宁波立达智能控制技术有限公司 | Side-feeding and ejection type oil-gas separator |
| CN112569719A (en) * | 2020-12-21 | 2021-03-30 | 玉环太平洋机械有限公司 | Top suction type oil mist separation purifier |
| CN113209732A (en) * | 2021-06-09 | 2021-08-06 | 山东玲珑轮胎股份有限公司 | Tire production flue gas oil-gas separation equipment |
| CN113731057A (en) * | 2021-09-30 | 2021-12-03 | 重庆华光环境工程设备有限公司 | Oil-containing flue gas interception equipment |
| CN114345016A (en) * | 2021-12-31 | 2022-04-15 | 福建新峰科技有限公司 | Oil mist recovery and separation system |
| CN115475470A (en) * | 2022-09-15 | 2022-12-16 | 王贵平 | A retrieve purifier for containing oil mist waste gas |
| WO2023161106A1 (en) * | 2022-02-25 | 2023-08-31 | Grimaldi Development Ab | A crankcase ventilation system |
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2020
- 2020-02-27 CN CN202010125148.3A patent/CN111203036A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097380A (en) * | 2020-09-10 | 2020-12-18 | 天津大学 | Mechanical ventilation/local ventilation conversion system and control method for machining plant |
| CN112128033A (en) * | 2020-09-30 | 2020-12-25 | 宁波立达智能控制技术有限公司 | Side-feeding and ejection type oil-gas separator |
| CN112128033B (en) * | 2020-09-30 | 2023-08-18 | 宁波立达智能控制技术有限公司 | Side-feeding ejection type oil-gas separator |
| CN112569719A (en) * | 2020-12-21 | 2021-03-30 | 玉环太平洋机械有限公司 | Top suction type oil mist separation purifier |
| CN113209732A (en) * | 2021-06-09 | 2021-08-06 | 山东玲珑轮胎股份有限公司 | Tire production flue gas oil-gas separation equipment |
| CN113731057A (en) * | 2021-09-30 | 2021-12-03 | 重庆华光环境工程设备有限公司 | Oil-containing flue gas interception equipment |
| CN114345016A (en) * | 2021-12-31 | 2022-04-15 | 福建新峰科技有限公司 | Oil mist recovery and separation system |
| WO2023161106A1 (en) * | 2022-02-25 | 2023-08-31 | Grimaldi Development Ab | A crankcase ventilation system |
| CN115475470A (en) * | 2022-09-15 | 2022-12-16 | 王贵平 | A retrieve purifier for containing oil mist waste gas |
| CN115475470B (en) * | 2022-09-15 | 2024-01-12 | 东营金辉环保科技有限公司 | Recovery and purification device for oil mist-containing waste gas |
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