WO2014061201A1 - マルチサイクロン式コレクタ - Google Patents
マルチサイクロン式コレクタ Download PDFInfo
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- WO2014061201A1 WO2014061201A1 PCT/JP2013/005549 JP2013005549W WO2014061201A1 WO 2014061201 A1 WO2014061201 A1 WO 2014061201A1 JP 2013005549 W JP2013005549 W JP 2013005549W WO 2014061201 A1 WO2014061201 A1 WO 2014061201A1
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- Prior art keywords
- cyclone
- liquid
- chamber
- storage chamber
- cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/24—Multiple arrangement thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C11/00—Accessories, e.g. safety or control devices, not otherwise provided for, e.g. regulators, valves in inlet or overflow ducting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/22—Apparatus in which the axial direction of the vortex is reversed with cleaning means
- B04C5/23—Apparatus in which the axial direction of the vortex is reversed with cleaning means using liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/24—Multiple arrangement thereof
- B04C5/28—Multiple arrangement thereof for parallel flow
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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
Definitions
- the present invention relates to an apparatus for collecting pollutant particles contained in an air flow using a plurality of cyclones, and more particularly to a multi-cyclone collector suitable for separating and collecting oil mist generated during processing of a machine tool.
- CYCLONE is one of the devices that can separate contaminant particles such as dust and oil mist with high accuracy.
- the cyclone turns the contaminated airflow taken inside into a swirl flow, applies centrifugal force to the contaminated particles in the airflow, and separates the contaminated particles from the airflow by the centrifugal force. Releases clean air stream without particles.
- the smaller the swirl radius (cyclone diameter) of the swirl flow the greater the centrifugal force and the smaller the particle size that can be separated (so-called separation limit particle size), so that highly accurate separation can be performed. it can.
- a cyclone is also used in a filterless type collector, but the conventional one has a large cyclone diameter, so the separation accuracy is low and it is used as a pretreatment device. For this reason, it is necessary to provide a collection mechanism such as a filter having a more precise structure at the subsequent stage of the cyclone, which has problems such as clogging and high pressure loss (see, for example, Patent Documents 1 to 3). .
- the multi-cyclone type collector has the advantage that the processing air volume can be secured while maintaining the separation accuracy of the contaminating particles.
- some of the contaminated particles separated by a certain cyclone A go around the lower part of the other cyclone B and get on the swirling airflow in the cyclone B and discharged. In other words, so-called re-scattering occurs, and there is a problem that the collection efficiency of contaminated particles as a whole cyclone is lowered.
- the present invention solves the above-described problems, and its object is to ensure a sufficient amount of processing air while maintaining high separation accuracy and collection efficiency of a single cyclone, and to contaminate particles.
- An object of the present invention is to provide a multi-cyclone collector that can prevent re-scattering and ensure high collection efficiency.
- Another object of the present invention is to provide a multi-cyclone type collector that can easily perform maintenance, replacement, and cleaning of a cyclone.
- the multi-cyclone type collector includes a suction port that sucks in an airflow containing contaminant particles, a cyclone storage chamber into which the airflow sucked from the suction port is introduced, and the cyclone storage chamber that is housed and taken in. It is installed above the cyclone storage chamber and cleans from the cyclone.
- a cyclone outlet chamber into which an air flow is introduced and a drain discharge chamber provided below the cyclone storage chamber and collecting contaminated particles separated by the cyclone are provided.
- Each of the cyclones has a swirling portion through which a downward swirling flow proceeds, a reversing portion that reverses the swirling flow into an upward swirling flow, and a discharge pipe that guides contaminated particles separated from the air flow to a drain discharge chamber.
- the lower opening of the discharge pipe is sealed with the liquid stored in the drain discharge chamber.
- the liquid level control means which controls the liquid level of the liquid so that the liquid in a discharge pipe may not reach an inversion part is provided.
- the liquid level control means Even if there is a differential pressure between the cyclone inside and the drain discharge chamber by the liquid level control means, it is controlled so that the liquid in the discharge pipe does not reach the inversion part, so there is no need to lengthen the discharge pipe, Miniaturization can be achieved by minimizing the height of the apparatus.
- the liquid level control means comprises a communication pipe that connects the cyclone outlet chamber and the drain discharge chamber.
- the drain discharge chamber is provided with a wall portion for blocking the liquid until the liquid overflows, and a discharge port for discharging the liquid overflowing the wall portion.
- each of the plurality of cyclones is composed of a cyclone unit that is an aggregate of individual cyclones and can be divided, and a predetermined number of the cyclone units are arranged in the cyclone storage chamber.
- the cyclone unit may be divided in the vertical direction or may be divided in the horizontal direction.
- cleaning means for cleaning the cyclone by supplying a cleaning liquid to the cyclone storage chamber.
- the cleaning means includes, for example, a cleaning nozzle, and cleans the cyclone by injecting a cleaning liquid from the cleaning nozzle into the cyclone storage chamber.
- the cleaning means may clean the cyclone by injecting a cleaning liquid into the cyclone storage chamber and filling the cyclone storage chamber with the cleaning liquid.
- FIG. 1 is an external view of an oil mist collector (multicyclonic collector) according to an embodiment of the present invention.
- FIG. 2 is an exploded perspective view of the oil mist collector of FIG.
- FIG. 3 is a side sectional view of the oil mist collector of FIG.
- FIG. 4 is a perspective view of the cyclone unit.
- FIG. 5 is a top view, a side view, and a cross-sectional view of the cyclone unit.
- FIG. 6 is a partial cross-sectional perspective view of the cyclone unit.
- FIG. 7 is an enlarged perspective view of the cyclone storage chamber.
- FIG. 8 is a cross-sectional view showing a state before the operation of the oil mist collector.
- FIG. 1 is an external view of an oil mist collector (multicyclonic collector) according to an embodiment of the present invention.
- FIG. 2 is an exploded perspective view of the oil mist collector of FIG.
- FIG. 3 is a side sectional view of the oil mist collector of
- FIG. 9 is a cross-sectional view showing a state during operation of the oil mist collector.
- FIG. 10 is an enlarged cross-sectional view of the cyclone.
- FIG. 11 is a cross-sectional view illustrating a state during operation when no communication pipe is provided.
- FIG. 12 is a perspective view showing another example of the cyclone unit.
- FIG. 13 is a perspective view showing another example of the cyclone unit.
- FIG. 14 is a perspective view showing another example of the cyclone unit.
- FIG. 15 is a perspective view showing another example of the cyclone unit.
- FIG. 16 is a side sectional view of an oil mist collector according to another embodiment.
- FIG. 17 is a side sectional view of an oil mist collector according to another embodiment.
- FIG. 16 is a side sectional view of an oil mist collector according to another embodiment.
- FIG. 18 is a side sectional view of an oil mist collector according to another embodiment.
- FIG. 19 is a side sectional view of an oil mist collector according to another embodiment.
- FIG. 20 is a schematic diagram for explaining the operation of the cyclone.
- FIG. 21 is a schematic diagram for explaining re-scattering of contaminating particles.
- oil mist collector for collecting oil mist generated during machining in a machine tool is taken as an example.
- the oil mist collector 100 includes a main body 10, a collection tray 50, and an exhaust unit 60, as shown in FIGS.
- the main body 10 has a suction port 11, an airflow introduction portion 19, a cyclone storage chamber 12, and a cyclone outlet chamber 23.
- the main body 10 is provided with a side plate 16 as shown in FIGS. 1 and 2.
- the side plate 16 is attached to be openable and closable so as to cover the cyclone storage chamber 12 and the cyclone outlet chamber 23 from the side. By opening the side plate 16, a cyclone unit to be described later can be replaced.
- the main body 10 is provided with discharge ports 18a and 18b for discharging the liquid in the cyclone storage chamber 12 (see FIG. 1).
- the suction port 11 sucks in an airflow including oil mist generated during machining operations in the machine tool.
- the air flow introduction unit 19 guides the air flow sucked from the suction port 11 to the cyclone storage chamber 12.
- a plurality of cyclones 13 are stored in the cyclone storage chamber 12.
- the cyclone 13 is a reversing cyclone that takes in the airflow guided to the cyclone storage chamber 12 to generate a downward swirling flow, separates oil mist in the airflow by centrifugal force, and turns the swirling flow upward. Invert and discharge as clean airflow. Details of the cyclone 13 will be described later.
- an outlet pipe holder 14 holding an outlet pipe 141 (see FIG. 3) is attached to the upper end of the cyclone 13, and a through hole 15 a is provided on the upper surface of the outlet pipe holder 14.
- a holding plate 15 having (see FIG. 2) is placed.
- the pressing plate 15 is fixed by a fixture 21 provided on the bracket 22.
- the cyclone 13 communicates with the cyclone outlet chamber 23 via the outlet pipe 141 and the through hole 15a. Yes.
- the cyclone outlet chamber 23 is provided above the cyclone storage chamber 12 and communicates with the exhaust unit 60 disposed on the main body 10.
- a fan (not shown) is provided inside the exhaust unit 60. The clean airflow released from the cyclone 13 by the rotation of the fan is introduced into the exhaust unit 60 through the cyclone outlet chamber 23 and is discharged to the outside from the exhaust port 61 (see FIG. 1).
- the collection tray 50 is formed of a box body whose upper surface is opened, and the inside is a drain discharge chamber 51 in which oil mist separated by the cyclone 13 is discharged.
- the drain discharge chamber 51 communicates with the cyclone outlet chamber 23 through a communication pipe 24.
- the drain discharge chamber 51 stores a liquid for taking in the discharged oil mist, as will be described later.
- the connecting portion between the communication pipe 24 and the drain discharge chamber 51 is at a position higher than the liquid level of the liquid in the drain discharge chamber 51 (see FIG. 8), and the difference between the inside of the cyclone 13 and the drain discharge chamber 51. The pressure is reduced by the communication pipe 24.
- Discharge ports 52 and 54 for discharging the liquid in the drain discharge chamber 51 and an injection port 53 for injecting the liquid into the drain discharge chamber 51 are provided on the side wall of the collection tray 50.
- An L-shaped bracket 55 for attaching the oil mist collector 100 to the machine tool is provided on the opposite side wall of the collection tray 50.
- the plurality of cyclones 13 is configured as a cyclone unit 30 that is an aggregate of individual cyclones.
- one cyclone unit 30 includes five cyclones 13.
- the cyclone unit 30 is made of resin, but may be made of metal.
- the cyclone unit 30 can be divided in the vertical direction V.
- the cyclone unit 30 includes an outlet pipe holder 14 that holds the outlet pipe 141, a first block 41 in which portions excluding the discharge pipes of the plurality of cyclones 13 are integrally coupled, and discharge pipes of the plurality of cyclones 13.
- the second block 42 integrally joined, the sealing member 13c interposed between the blocks 41 and 42, and the sealing member 13e attached to the second block 42, these components are arranged in the vertical direction V. It can be divided.
- the outlet pipe holder 14 has openings 14a at positions corresponding to the outlet pipe 141, and holes 14b are formed at two corners.
- a protrusion 13 b that fits into the hole 14 b of the outlet pipe holder 14 is formed on the upper portion of the first block 41.
- the outlet pipe holder 14 is fixed to the first block 41 by inserting the outlet pipe 141 into the cyclone 13 and fitting the projection 13b into the hole 14b.
- Each of the cyclones 13 constituting the first block 41 includes an intake port 13a, a turning part 131, a reversing part 132, and a chamber part 133.
- the intake port 13 a is formed in the upper part of the cyclone 13 in order to take the airflow introduced into the cyclone storage chamber 12 into the cyclone 13.
- two intakes 13 a are provided for one cyclone 13.
- the swirl part 131 is formed in a cylindrical shape, and the air flow taken in from the intake port 13a proceeds as a downward swirl flow.
- the reversing unit 132 is formed in a funnel shape, and reverses the downward swirling flow generated by the swirling unit 131 to the upward swirling flow.
- the chamber part 133 forms an expansion space for allowing the oil mist separated from the swirling flow to be smoothly guided to the discharge pipe 134 without being caught in the airflow by the reversing part 132.
- the second block 42 includes a discharge pipe holder 13d and a discharge pipe 134 held by the discharge pipe holder 13d.
- the second block 42 is coupled to the first block 41 by fitting the discharge pipe holder 13d to the chamber portion 133 of the first block 41 via the sealing member 13c.
- the sealing member 13e is interposed between the discharge pipe holder 13d and the periphery of an opening (not shown) formed in the bottom surface of the cyclone storage chamber 12.
- FIG. 5 shows the first block 41 in FIG. 4, wherein (a) is a top view, (b) is a front view, (c) is a sectional view taken along line XX of (b), and (d) is (a).
- FIG. FIG. 6 is a perspective view of FIG.
- a predetermined number of the cyclone units 30 having the above configuration are arranged in the cyclone storage chamber 12 of the main body 10 as shown in FIG. At this time, the discharge pipe 134 projects into the drain discharge chamber 51 and guides the oil mist separated from the air flow in the cyclone 13 to the drain discharge chamber 51.
- a liquid 56 (drain liquid) for taking in and collecting oil mist discharged from the discharge pipe 134 is stored.
- the liquid 56 is made of water, water-soluble coolant, oil-based coolant, cleaning liquid, or the like. Since the liquid level of the liquid 56 is above the lower end of the discharge pipe 134, the lower opening 134 a of the discharge pipe 134 is sealed with the liquid 56.
- FIG. 8 shows a state where the oil mist collector 100 is not operated.
- the liquid 56 is discharged from the discharge port 54 (see FIG. 2) as necessary, and is also injected from the injection port 53 as necessary.
- a wall 57 for keeping the liquid level of the liquid 56 below a certain level is provided in the drain discharge chamber 51.
- the upper end of the wall portion 57 is located above the lower end of the discharge pipe 134.
- the wall portion 57 dams the liquid 56 until the liquid 56 overflows.
- the liquid 56 over the wall portion 57 flows into the space 58 adjacent to the wall portion 57.
- the space 58 is a space surrounded by the side wall of the collection tray 50 and the wall portion 57 and communicates with the outside through the discharge port 52. For this reason, the overflowed liquid 56 is discharged
- FIG. 9 shows a state in which the oil mist collector 100 is in operation.
- the fan in the exhaust unit 60 rotates and the atmospheric pressure in the main body 10 decreases, so that an air flow is sucked from the suction port 11 as indicated by an arrow a.
- This airflow is mixed with oil mist generated by machine tools.
- the sucked airflow enters the cyclone storage chamber 12 through the airflow introduction portion 19 as indicated by an arrow b.
- the airflow entering the cyclone storage chamber 12 is taken into the cyclone 13 from an intake port 13a (see FIG. 4) provided in the cyclone 13. Then, as shown in an enlarged view in FIG. 10, the taken-in airflow turns and becomes a downward swirling flow Fd and advances through the turning portion 131 of the cyclone 13. At this time, the centrifugal force acts on the oil mist in the airflow by the swirling flow Fd, so that the oil mist is separated from the airflow by this centrifugal force and collected on the inner wall of the swirling portion 131 or in the vicinity of the inner wall.
- the downward swirling flow Fd descending the swirling portion 131 is reversed by the funnel-shaped reversing portion 132 to become an upward swirling flow Fu.
- the swirling flow Fu is discharged from the outlet pipe 141 of the cyclone 13 to the cyclone outlet chamber 23 as a clean air stream that does not contain oil mist.
- the discharged clean airflow is sucked into the fan as shown by the arrow c in FIG. 9 by the rotation of the fan (not shown) above the cyclone outlet chamber 23, and discharged to the outside from the exhaust port 61 (see FIG. 1).
- the oil mist collected in the cyclone 13 passes through the chamber portion 133 and the discharge pipe 134 from the reversing portion 132, is collected in the liquid 56 in the drain discharge chamber 51, and is discharged from the discharge port 54 together with the liquid 56.
- the contaminated airflow including the oil mist generated in the machine tool is converted into a clean airflow not including the oil mist by the centrifugal separation action in the cyclone 13 of the oil mist collector 100.
- the value of the negative pressure at the suction port 11 varies depending on the use situation.
- the change in the negative pressure also changes the liquid level (liquid level height) of the liquid 56 entering the discharge pipe 134. That is, when the negative pressure at the suction port 11 increases, the liquid level of the liquid 56 increases, and when the negative pressure decreases, the liquid level of the liquid 56 decreases.
- FIG. 11 shows a state in which when the suction port 11 is closed with the lid 26, the static pressure of the suction port 11 is increased and the liquid level in the discharge pipe 134 is increased.
- the communication pipe 24 (see FIG. 9) as the liquid level control means is not provided, and the liquid level in the discharge pipe 134 during the operation greatly increases and reaches the reversing unit 132.
- the communication pipe 24 that connects the cyclone outlet chamber 23 and the drain discharge chamber 51 is provided, so that the liquid level in the discharge pipe 134 is the cyclone 13. Is proportional to only the pressure loss at the pressure, that is, the processing air volume of the cyclone 13 (the air volume of the clean airflow discharged from the outlet pipe 141).
- the processing air volume of the cyclone 13 increases, the liquid level in the exhaust pipe 134 increases, and when the processing air volume of the cyclone 13 decreases, the liquid level in the exhaust pipe 134 decreases.
- the length of the discharge pipe 134 may be determined so that the liquid level in the discharge pipe 134 does not reach the reversing part 132 at the time of the maximum air volume.
- the liquid level L of the liquid 56 in the discharge pipe 134 may be designed to be in the range of ⁇ from the lower end of the discharge pipe 134 to the lower end of the reversing unit 132.
- the fluctuation range of the liquid level L is a range of ⁇ from the lower end to the upper end of the discharge pipe 134.
- the liquid 56 can also be prevented from entering the chamber portion 133.
- the liquid 56 does not reach the reversing part 132 even if the discharge pipe 134 is not lengthened. be able to.
- a plurality of cyclones are configured as the cyclone unit 30, and the units can be divided in the vertical direction V.
- a cyclone hardly clogs like a filter, but the inside may be worn by a swirling flow. In that case, it is necessary to maintain or replace the cyclone, but it is not easy to perform such work on a large number of cyclones.
- the plurality of cyclones 13 can be removed in units to perform maintenance and replacement, so that the operation becomes very simple.
- the cyclone unit 30 has a divided structure, replacement in units of parts constituting the unit (for example, replacement of only the discharge pipe holder 13d) is also possible.
- FIG. 12 shows another example of the cyclone unit.
- the chamber part 133, the sealing member 13c, and the discharge pipe holder 13d of FIG. 4 are not provided. Further, the discharge pipe 134 is integrally coupled with the reversing part 132, so that one cyclone block 40 is formed.
- FIG. 13 shows another example of the cyclone unit.
- a plurality of cyclones 13 are integrally formed so as to form two rows (P1 row and P2 row). In this case, only one intake port 13 a is provided for one cyclone 13.
- the outlet pipe holder 14 and the discharge pipe 134 are not shown.
- FIG. 14 shows another example of the cyclone unit.
- the cyclone unit 33 is composed of a plurality of cyclone pieces 13 ′ in which four half cyclones are formed as shown in FIG. 14B, and can be divided in the horizontal direction H.
- the cyclone piece 13 ′ is provided with a turning portion 231, a reversing portion 232, a chamber portion 233, and a discharge pipe 234, and a bolt hole 235 and a rib 236 are formed.
- a concave portion into which the rib 236 of the mating cyclone piece 13 'to be coupled is fitted is formed on the surface (back surface) opposite to the surface on which the rib 236 is formed.
- the plurality of cyclone pieces 13 ′ are coupled by fitting the ribs 236 and the recesses to each other and tightening bolts (not shown) passed through the bolt holes 235. Instead of the bolts, the cyclone pieces 13 'may be joined together by an adhesive. In a state where the plurality of cyclone pieces 13 ′ are coupled, an intake port 13 a ′ is formed as shown in FIG.
- FIG. 15 shows another example of the cyclone unit.
- This cyclone unit 34 is composed of a plurality of cyclone pieces 13 ′′ formed with two half cyclones as shown in FIG. 15 (b), and can be divided in the horizontal direction H as in FIG. It has become. Multiple cyclone pieces 13 '' Are bonded by, for example, an adhesive. In a state where a plurality of cyclone pieces 13 '' are coupled, an intake port 13a '' is formed as shown in FIG.
- FIG. 16 shows an oil mist collector according to another embodiment of the present invention.
- the exhaust unit 60 (see FIG. 3) is not shown.
- a cleaning nozzle 80 as a cleaning means is provided inside the main body 10.
- the cleaning nozzle 80 injects a cleaning liquid 81 into the cyclone storage chamber 12 to clean the cyclone 13. Since other configurations are the same as those of the above-described embodiment, the description of overlapping portions is omitted.
- a plurality of cleaning nozzles 80 are provided corresponding to the rows of cyclones 13 (cyclone units 30), and the cleaning liquid 81 supplied from the pipes 82 is sprayed to the cyclones 13 in each row.
- the cleaning liquid 81 supplied from the pipes 82 is sprayed to the cyclones 13 in each row.
- the cleaning liquid 81 When the liquid discharge port 18a (see FIG. 1) provided in the side portion of the cyclone storage chamber 12 is opened, cleaning is performed within the reach of the cleaning liquid 81.
- the discharge port 18a When the discharge port 18a is closed, the cleaning liquid 81 is injected into the cyclone storage chamber 12, and the cyclone storage chamber 12 is filled with the cleaning liquid 81 as shown in FIG.
- the cleaning liquid 81 When the liquid level of the cleaning liquid 81 reaches the intake port 13a (see FIG. 4) of the cyclone 13, the cleaning liquid 81 flows down inside the cyclone 13, reaches the drain discharge chamber 51, and is discharged from the discharge port 52.
- the cleaning liquid 81 When the cleaning liquid 81 is stored in the cyclone storage chamber 12, the cleaning liquid 81 may be supplied from the liquid discharge port 18 b in addition to the cleaning nozzle 80.
- the cleaning liquid 81 is sprayed from the cleaning nozzle 80 during the operation of the apparatus, the sprayed cleaning liquid 81 is taken into the cyclone 13 together with the airflow from the suction port 11, so that the outside and the inside of the cyclone 13 are Washed.
- the operation of spraying the cleaning liquid 81 may be performed manually or by automatic control. In the latter case, daily maintenance can be saved.
- FIG. 18 shows another embodiment of the present invention.
- the communication pipe 24 is provided outside the main body 10, but in FIG. 18, the communication pipe 24 is provided inside the main body 10.
- the point that the drain discharge chamber 51 communicates with the cyclone outlet chamber 23 by the communication pipe 24 is the same as in the above embodiment.
- the communication pipe 24 is provided inside the main body 10, the outer dimensions of the oil mist collector 100 can be reduced.
- the liquid level of the liquid 56 is controlled by the communication pipe 24 so that the liquid 56 in the discharge pipe 134 does not reach the reversing unit 132.
- means other than the communication pipe is used as the liquid level control means. It may be used.
- a sensor (not shown) that detects the upper limit liquid level in the discharge pipe 134 is provided, and a configuration is adopted in which the liquid 56 in the drain discharge chamber 51 is discharged when the sensor detects the upper limit liquid level. May be.
- FIG. 19 a structure as shown in FIG. 19 can be considered.
- a spherical housing chamber 134 b having a diameter larger than that of the discharge pipe 134 is provided in the middle of the discharge pipe 134.
- a sphere 70 that can float on the liquid 56 is stored in the sphere storage chamber 134b.
- the diameter of the sphere 70 is larger than the inner diameter of the discharge pipe 134 and smaller than the inner diameter of the sphere storage chamber 134b. Further, the sphere 70 can move up and down in the sphere storage chamber 134b.
- the sphere 70 comes into contact with the upper part of the sphere storage chamber 134b by the buoyancy caused by the liquid 56 sucked from the lower end of the discharge pipe 134, and the discharge pipe 134 is closed as shown in FIG. For this reason, the liquid 56 is prevented from reaching the chamber portion 133 and the reversing portion 132.
- the oil mist separated from the airflow is stored in the portion above the sphere storage chamber 134b of the discharge pipe 134, the sphere 70 is separated from the upper portion of the sphere storage chamber 134b due to the weight of the oil mist, and the blockage of the discharge pipe 134 is released. The As a result, the oil mist separated from the airflow flows down the discharge pipe 134 and is discharged to the drain discharge chamber 51.
- the sphere 70 is also separated from the upper portion of the sphere storage chamber 134b due to the weight of the cleaning liquid. The blockage is released. Then, the cleaning liquid flows down the discharge pipe 134 and is discharged to the drain discharge chamber 51.
- the number of intake ports 13a is arbitrarily selected according to the required air volume. can do. However, if the number of intake ports 13a increases, the amount of processing air increases, but at the same time, the resistance in the outlet pipe 141 also increases, and the motor output for driving the fan must be increased. It is better to select the number of intakes 13a within the range.
- the shape of the intake port 13a is not limited to that shown in the embodiment, and various shapes such as a tangential inflow type intake port that sucks airflow from the tangential direction and an intake port provided with guide vanes are provided. Can be adopted.
- an oil mist collector is used as an example of a multi-cyclone type collector, but the present invention is not limited to an oil mist, and is a device that separates and collects contaminant particles such as dust from an air flow. Can be widely applied.
Abstract
Description
は、例えば接着剤により結合される。複数のサイクロンピース13’’が結合した状態で、図15(a)に示すように、取込口13a’’が形成される。
11 吸込口
12 サイクロン収納室
13 サイクロン
23 サイクロン出口室
24 連通管(液位制御手段)
30,31,32,33,34 サイクロンユニット
50 回収トレイ
51 ドレン排出室
54 排出口
57 壁部
60 排気ユニット
80 洗浄ノズル
81 洗浄液
100 オイルミストコレクタ(マルチサイクロン式コレクタ)
131 旋回部
132 反転部
134 排出管
134a 下部開口
L 液位
Claims (9)
- 汚染粒子を含んだ気流を吸い込む吸込口と、
前記吸込口から吸い込まれた気流が導入されるサイクロン収納室と、
前記サイクロン収納室の内部に収納され、取り込んだ気流を下向きの旋回流にして汚染粒子を分離した後、前記旋回流を上向きの旋回流に反転させて清浄気流として放出する複数のサイクロンと、
前記サイクロン収納室の上方に設けられ、前記サイクロンから清浄気流が導入されるサイクロン出口室と、
前記サイクロン収納室の下方に設けられ、前記サイクロンで分離された汚染粒子を回収するドレン排出室と、を備え、
前記サイクロンのそれぞれは、前記下向きの旋回流が進む旋回部と、当該旋回流を上向きの旋回流に反転させる反転部と、気流から分離した汚染粒子を前記ドレン排出室へ導く排出管とを有しており、
前記排出管の下部開口は、前記ドレン排出室に貯溜された液体により封止されており、
前記排出管内の液体が前記反転部へ達しないように、前記液体の液位を制御する液位制御手段を設けた、ことを特徴とするマルチサイクロン式コレクタ。 - 請求項1に記載のマルチサイクロン式コレクタにおいて、
前記液位制御手段は、前記サイクロン出口室と前記ドレン排出室とを連通する連通管からなる、ことを特徴とするマルチサイクロン式コレクタ。 - 請求項1または請求項2に記載のマルチサイクロン式コレクタにおいて、
前記ドレン排出室に、前記液体がオーバーフローするまで当該液体を堰き止める壁部と、前記壁部をオーバーフローした液体を排出する排出口とを設けた、ことを特徴とするマルチサイクロン式コレクタ。 - 請求項1ないし請求項3のいずれかに記載のマルチサイクロン式コレクタにおいて、
前記複数のサイクロンは、個々のサイクロンの集合体であって分割が可能なサイクロンユニットから構成され、
前記サイクロンユニットが、前記サイクロン収納室に所定数配置されている、ことを特徴とするマルチサイクロン式コレクタ。 - 請求項4に記載のマルチサイクロン式コレクタにおいて、
前記サイクロンユニットは、垂直方向に分割が可能である、ことを特徴とするマルチサイクロン式コレクタ。 - 請求項4に記載のマルチサイクロン式コレクタにおいて、
前記サイクロンユニットは、水平方向に分割が可能である、ことを特徴とするマルチサイクロン式コレクタ。 - 請求項1ないし請求項6のいずれかに記載のマルチサイクロン式コレクタにおいて、
前記サイクロン収納室へ洗浄液を供給して、前記サイクロンの清掃を行う洗浄手段を設けた、ことを特徴とするマルチサイクロン式コレクタ。 - 請求項7に記載のマルチサイクロン式コレクタにおいて、
前記洗浄手段は、洗浄ノズルを備え、前記洗浄ノズルから前記サイクロン収納室へ洗浄液を噴射して、前記サイクロンの清掃を行う、ことを特徴とするマルチサイクロン式コレクタ。 - 請求項7に記載のマルチサイクロン式コレクタにおいて、
前記洗浄手段は、前記サイクロン収納室に洗浄液を注入して、前記サイクロン収納室内を洗浄液で満たすことにより、前記サイクロンの清掃を行う、ことを特徴とするマルチサイクロン式コレクタ。
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ES13847110T ES2717948T3 (es) | 2012-10-15 | 2013-09-20 | Colector multiciclón |
US14/127,109 US8945290B2 (en) | 2012-10-15 | 2013-09-20 | Multi-cyclone collector |
KR1020137029965A KR20140091654A (ko) | 2012-10-15 | 2013-09-20 | 멀티사이클론식 컬렉터 |
EP13847110.7A EP2851126B1 (en) | 2012-10-15 | 2013-09-20 | Multi-cyclone collector |
CN201380001785.8A CN103889584B (zh) | 2012-10-15 | 2013-09-20 | 多旋风器式收集器 |
KR1020167013922A KR20160065994A (ko) | 2012-10-15 | 2013-09-20 | 멀티사이클론식 컬렉터 |
JP2013551460A JP6214043B2 (ja) | 2012-10-15 | 2013-09-20 | マルチサイクロン式コレクタ |
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TWI517904B (zh) | 2016-01-21 |
US20140305311A1 (en) | 2014-10-16 |
EP2851126B1 (en) | 2019-02-20 |
CN103889584A (zh) | 2014-06-25 |
CN103889584B (zh) | 2015-12-30 |
JP6214043B2 (ja) | 2017-10-18 |
EP2851126A4 (en) | 2016-02-10 |
ES2717948T3 (es) | 2019-06-26 |
EP2851126A1 (en) | 2015-03-25 |
KR20160065994A (ko) | 2016-06-09 |
KR20140091654A (ko) | 2014-07-22 |
JPWO2014061201A1 (ja) | 2016-09-05 |
TW201422311A (zh) | 2014-06-16 |
US8945290B2 (en) | 2015-02-03 |
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