KR102247189B1 - Paint Mist and Oil mist Collector by Centrifugation - Google Patents

Abstract

The present invention relates to a centrifugation-type paint mist and oil mist collector that maintains a high level of collection performance even when used for a long time, facilitates repair and maintenance, and enables cost reduction. The present invention includes: a support; a cylindrical first centrifugation tube erected on the support and having an inlet on one upper side such that a gas flows in through the inlet and primary centrifugation is performed on mist mixed in the gas during rotation; a cylindrical partition tube installed in the first centrifugation tube such that the gas flows in on the lower side after the primary centrifugation of the mist; a cylindrical second centrifugation tube installed in the partition tube such that secondary centrifugation is performed on the mist mixed in the gas while the gas flowing in from the inner portion of the partition tube rotates; a suction-out pipe provided with a suction port in the second centrifugation tube; a blower suctioning out the gas in the second centrifugation tube through the suction-out pipe; and a dust collection tube separably coupled to the lower side of the first centrifugation tube and accommodating the centrifugal mist.

Description

Centrifugal paint mist and oil mist collector {Paint Mist and Oil mist Collector by Centrifugation}

The present invention relates to a centrifugal type paint mist and oil mist dust collector, and more particularly, a centrifugal separation type that collects paint mist generated during painting and oil mist generated when cutting or polishing is performed using a centrifugal force. It relates to a paint mist and an oil mist dust collector.

In general, many mists containing hazardous chemicals are generated in industrial sites.

Among the mists that are frequently generated in industrial sites, there are paint mists and oil mists, and mists are also generated in the process of spraying coating agents, rust inhibitors, and varnishes.

Paint mist occurs a lot when spraying paint by atomizing with a spray gun during painting.

Oil mist is generated a lot when cutting oil used for metal cutting or polishing is scattered.

As such, paint mist and oil mist generated in industrial sites pose a threat to the health of workers and pollute the environment.

A dust collecting device is used to solve problems caused by paint mist, oil mist, and the like in conventional industrial sites.

Registered Patent Publication No. 10-1548322 discloses a paint dust collecting device.

The paint dust collecting device includes a frame having a boarding part through which an operator can board; At least one suction unit provided with a gun coupling port at the rear to which the spray gun can be coupled and which is opened toward the front, and at least one suction unit located around the injection unit and in which paint dust generated by the sprayed paint is absorbed together with air. A hood provided and movably coupled to the frame; An exhaust duct whose one end portion is coupled to a duct coupling portion provided at a rear portion of the suction portion of the hood; A filter box provided in the frame and provided with a filter unit capable of filtering paint dust therein, an inlet formed at one side thereof, the other end of the exhaust duct coupled, and an outlet formed at the other side thereof; And an intake/exhaust part coupled to the outlet of the filter box to suck in air from the filter box and discharge it to the outside.

In the dust collecting apparatus configured as described above, as the mist is filtered by the filter, the mist is entangled in the filter, and the pores are easily clogged.

Therefore, there is a problem that the dust collection performance is easily deteriorated, the trouble of having to frequently replace the filter occurs, and the cost of replacing the filter is increased.

The present invention was made by looking at the above points, and since a filter is not required as the paint mist and oil mist generated in the industrial site are separated by using a centrifugal force, the dust collection performance is well maintained even when used for a long time, and the cost of replacing the filter and It is an object of the present invention to provide a centrifugal paint mist and oil mist dust collector that can save time.

The centrifugal paint mist and oil mist dust collector proposed by the present invention has a support, and is installed on the support, and an inlet is formed at one side of the upper part, and the mist that is mixed with the gas as it flows into the interior and rotates through the inlet is 1 The first centrifugal separator in a cylindrical shape to be separated by primary centrifugation, a cylindrical partition passage installed inside the first centrifugal separator and through which the gas from which the mist is first centrifuged flows downward, a cylindrical partition formed in a cylindrical shape of the partition box. A second centrifugal separation passage installed inside and in which the mist mixed with the gas is secondarily centrifuged while the gas flowing from the upper side of the divider is rotated, and a suction pipe having a suction port in the inner center of the second centrifugal separator, , A blower that sucks gas inside the second centrifugal separator through the suction pipe, and a dust collecting container that is detachably coupled to the lower side of the first centrifugal separator and accommodates the centrifuged mist. .

The support is provided with a handle on the upper side and a wheel on the lower side to facilitate movement.

The first centrifugal separator includes a body having an upper end surface and a lower end surface open and having the inlet at an upper side thereof, and a cover for opening and closing the opened upper end surface of the body.

The second centrifugal separator has a divided rotation guide on the upper side to induce rotation around the suction pipe while the airflow flowing from the partition tube is divided into several branches, and a funnel-shaped tapered portion on the lower side of which the inner diameter gradually narrows. And a discharge pipe through which the centrifuged mist is discharged from the lower side of the tapered part.

The dust collecting container may be provided with a cylindrical central collecting container for separately receiving the mist discharged to the discharge pipe.

And the centrifugal separation type paint mist and oil mist dust collector proposed by the present invention is installed inside the dust collection container and a collection bag for accommodating the mist, and a bag fixing member fixing the collection bag to the inside of the dust collection container. It is also possible to further include.

The bag fixing member is made in a ring shape and includes a pressing unit that presses the bottom of the collection bag and comes into close contact with the bottom of the dust bin, and an extension that is installed on one side of the pressing unit and has a handle at the top.

According to the centrifugal paint mist and oil mist dust collector according to an embodiment of the present invention, since a filter is not required as the mist is separated by using a centrifugal force, the dust collection performance is well maintained even when used for a long time, and the cost and time due to filter replacement are reduced. can do.

In addition, according to the centrifugal separation type paint mist and oil mist dust collector according to an embodiment of the present invention, since the mist can be collected using a collection bag, contamination of the dust collection container is prevented and the collected mist can be easily treated.

In addition, according to the centrifugal separation type paint mist and oil mist dust collector according to an embodiment of the present invention, the incoming gas is centrifuged while changing the direction in a zigzag manner over several steps, and the mist separated in stages is collected. As it is possible, the installation length is reduced, the dust collection efficiency is improved, and the dust treatment is easy.

In addition, according to the paint mist and oil mist dust collector according to the embodiment of the present invention, since the suction amount is increased by inducing a smooth flow of gas, it is possible to improve dust collection efficiency and performance.

1 is a perspective view showing a centrifugal paint mist and oil mist dust collector according to an embodiment of the present invention.
Figure 2 is a side cross-sectional view showing a centrifugal separation type paint mist and oil mist dust collector according to an embodiment of the present invention.
3 is a cross-sectional plan view showing a centrifugal paint mist and oil mist dust collector according to an embodiment of the present invention.
4 is a side cross-sectional view showing a lower portion of a divider in the centrifugal paint mist and oil mist dust collector according to an embodiment of the present invention.
5 is a cross-sectional view showing a lower portion of a partition container in the centrifugal separation type paint mist and oil mist dust collector according to an embodiment of the present invention.
6 is a perspective view showing a divided rotation guide in a paint mist and oil mist dust collector according to an embodiment of the present invention.
7 is a side cross-sectional view showing a dust collecting container in a centrifugal separation type paint mist and oil mist dust collector according to another embodiment of the present invention.
8 is a perspective view showing a collection bag and a bag fixing material in the centrifugal separation type paint mist and oil mist dust collector according to another embodiment of the present invention.
9 is a cross-sectional plan view showing a filter filter of a centrifugal paint mist and oil mist dust collector according to another embodiment of the present invention.
10 is a perspective view showing a filtration filter of a centrifugal paint mist and oil mist dust collector according to another embodiment of the present invention.

Next, a preferred embodiment of the centrifugal paint mist and oil mist dust collector according to the present invention will be described in detail with reference to the drawings.

Hereinafter, the same reference numerals are used for technical elements having the same function, and repeated detailed descriptions are omitted to avoid redundant descriptions.

The embodiments described below are illustratively shown in order to effectively show preferred embodiments of the present invention, and should not be construed to limit the scope of the present invention.

In the drawing, the dotted arrows indicate the direction of the air flow, and the solid arrows indicate the direction of the mist.

Centrifugal paint mist and oil mist dust collector according to an embodiment of the present invention, as shown in Figures 1 to 3, the support 10, the first centrifugal separator 20, the partition box 30 and , It comprises a second centrifugal separator 40, a suction pipe 50, a blower 60, and a dust collector 70.

The support 10 supports the first centrifugal separator 20 at a predetermined height from the ground.

The support 10 is provided with a handle 12 on the upper side and a wheel 14 on the lower side to facilitate movement.

The first centrifugal separator 20 is erected and installed on the support 10, and an inlet 22 is formed on one side of the upper side. As the external gas flows into the interior through the inlet 22, the gas is rotated and The mist 2 to be mixed is first centrifuged.

The first centrifugal separator 20 opens and closes a cylindrical body 21 having an upper end surface and a lower end surface open and having the inlet 22 at an upper side thereof, and an opened upper end surface of the body 21. It comprises a cover (26).

A rotation guide plate 23 may be installed on the inner surface of the body 21 to guide the flow of gas introduced through the inlet 22 to the outside.

The rotation guide plate 23 is made of an arc-shaped plate and obliquely blocks the inlet 22 to prevent gas from flowing directly in the axial direction of the body 21.

The partition container 30 is formed in an approximately cylindrical shape, is installed standing inside the first centrifugal separator 20, and is installed inside the first centrifugal separator 20 through an opening 32 formed at the lower side. The gas from which the mist 2 is first centrifuged is introduced into the interior.

The partition container 30 is formed in a funnel shape at the bottom. That is, the tapered portion 31 is provided with an inner diameter gradually decreasing as it goes downward.

4 and 5, a plurality of louvers 36 that induce a vortex of gas flowing into the opening 32 and obstruct the inflow of the mist 2 are provided at the lower end of the partition tube 30. Is installed.

The plurality of louvers 36 are arranged at intervals along the periphery of the opening 32 and are installed to form a cylindrical shape whose diameter gradually decreases toward the lower side.

The second centrifugal separator 40 is formed in a cylindrical shape and is installed inside the partition container 30, and the mist 2 mixed with the gas while the gas flowing from the inside of the partition container 30 rotates Secondary centrifugation.

The second centrifugal separator 40 is provided with a divided rotation guide 42 for guiding the airflow flowing from the partition box 30 to rotate around the suction pipe 50 while being divided into several branches on the upper side, and the lower side A funnel-shaped tapered portion 46 is provided in which the inner diameter gradually narrows.

As shown in FIG. 6, the divided rotation guide 42 includes a plurality of airflow guide blades 43 made of a rod-shaped plate arranged in a spiral shape at regular intervals along the periphery of the suction pipe 50. It is installed to achieve.

A discharge pipe 48 through which the mist 2 centrifuged from the inside is discharged is extended below the tapered portion 46.

The suction pipe 50 is provided with a suction port 52 so that gas is sucked from the upper center of the inside of the second centrifugal separator 40.

The suction pipe 50 passes through the cover 26.

The blower 60 is installed on the upper surface of the cover 26 of the first centrifugal separator 20 and sucks the gas inside the second centrifugal separator 40 through the suction pipe 50.

The blower 60 is an exhaust fan, a centrifugal pump, or the like.

The dust collecting container 70 is formed in a cylindrical shape with an upper end of which is opened, and is detachably coupled to the lower side of the first centrifugal separator 20 so that the first centrifugal separator 20 and the second centrifugal separator ( The mist (2), which is centrifuged and dropped from the inside of 40), is accommodated inside.

The dust collecting container 70 may include a cylindrical central collecting container 76 that separately accommodates the mist 2 discharged to the discharge pipe 48 of the second centrifugal separator 40.

In addition, the centrifugal paint mist and oil mist dust collector according to another embodiment of the present invention is installed inside the dust collecting container 70 and is collected to accommodate the mist 2 as shown in FIGS. 7 and 8. It is also possible to further include an envelope 80 and an envelope fixing member 90 for fixing the collection bag 80 to the inside of the dust collection container 70.

The collection bag 80 may be made of a waterproof material such as a plastic bag or a garbage bag.

The bag fixing member 90 is made in a ring shape and presses the bottom surface of the collection bag 80 to come into close contact with the bottom of the dust collection container 70, and a pressing part 91 on one side of the pressing part 91 It is erected and installed and comprises an extension 94 having a handle 95 at the top.

In the other embodiments described above, a detailed description is omitted since it is possible to implement the same configuration as the above-described embodiment except for the above-described configuration.

In addition, the centrifugal paint mist and oil mist dust collector according to another embodiment of the present invention further includes a porous filter 100 installed around the air outlet 50 as shown in FIGS. 9 and 10. Done.

The porous filter 100 is formed in a cylindrical shape through which a central axis is passed, and is inserted into the inner surface of the second centrifugal separator 40, and the inside of the second centrifugal separator 40 from the partition container 30. It is configured to filter fine dust and water vapor entering the furnace.

The porous filter 100 is made of one of nonwoven fabric, fiber, and paper, and is formed to have a star-shaped cross section by being folded in zigzag along the circumferential direction.

Ring-shaped end caps 102 are respectively installed on upper and lower end surfaces of the porous filter 100, and mesh-shaped side cases 104 may be respectively installed on the inner and outer surfaces.

Next, the operation of the centrifugal paint mist and oil mist dust collector according to an embodiment of the present invention will be described with reference to the drawings.

First, when the blower 60 is operated, suction is performed at the suction port 52 through the suction pipe 50, and accordingly, the gas outside the first centrifugal separator 20 is transferred to the body 21 through the inlet 22. Flows inside.

The gas flowing into the body 22 through the inlet 21 is guided to the outside of the inner surface of the body 21 by the guide plate 23 and is moved downward while rotating. At this time, the gas undergoes a helical motion, and the mist 2 mixed with the gas is separated from the inside and outside of the body 22 by centrifugal force, and then falls by gravity and is collected in the dust collecting container 70.

On the other hand, the gas moving to the lower side of the body 21 is introduced into the partition container 30 through the opening 32 formed at the lower side of the partition container 30 and is moved upward while rotating. At this time, the louver 36 installed on the lower side of the partition box 30 induces a vortex of the gas and obstructs the inflow of the mist 2.

The airflow moving upward of the partition container 30 passes between the vortex guide blades 42 and flows into the second centrifugal separator 40.

When the air flow is introduced between the vortex guide blades 42, the air flow is inclined from the bottom to the top and performs a helical rotational motion, and at this time, the mist 2 is centrifugally separated.

The secondary separated mist is discharged through the discharge pipe 48 and collected in the central collection container 76.

Then, the spirally moving airflow descends and rotates downward, and is then sucked through the suction port 52 and then discharged through the blower 60.

In the above, preferred embodiments of the centrifugal paint mist and oil mist dust collector according to the present invention have been described, but the present invention is not limited thereto, and various modifications are made within the scope of the description, claims, and drawings of the present invention. It is possible, and this also falls within the scope of the present invention.

2: mist 10: support
12: handle 14: wheel
20: first centrifugal separator 21: body
22: inlet 23: rotation guide plate
26: cover 30: partition box
31: tapered portion 32: opening
36: louver 40: second centrifugal separator
42: split rotation guide 46: taper
48: discharge pipe 50: suction pipe
52: inlet 60: blower
70: dust collection box 76: central collection box
80: collection bag 90: bag fixing material
91: pressing part 94: extension part
95: handle 100: porous filter
102: end cap 104: side case

Claims (7)

With the support,
A cylindrical first centrifugal separation passage, erected and installed on the support, has an inlet at one side of the upper portion, and through which the mist mixed with the gas is first centrifuged while the gas is introduced and rotated through the inlet,
A cylindrical partition installed inside the first centrifugal separator and through which the gas from which the mist is first centrifuged flows downward,
A second centrifugal separator formed in a cylindrical shape and installed inside the divider, through which the mist mixed with the gas is secondarily centrifuged while the gas flowing in from the upper side of the divider is rotated,
A suction pipe having a suction port in the inner center of the second centrifugal separator,
A blower that sucks gas inside the second centrifugal separator through the suction pipe,
A dust collecting passage that is detachably coupled to the lower side of the first centrifugal separator and accommodates the centrifuged mist,
A collection bag installed inside the dust collection container and accommodating the mist,
Further comprising an envelope fixing member for fixing the collection bag to the inside of the dust bin,
The bag fixing member is formed in a ring shape, and the centrifugal separation includes a pressing part that presses the bottom of the collection bag and makes it in close contact with the bottom of the dust collection bag, and an extension installed standing on one side of the pressing part and having a handle at the top. Type paint mist and oil mist dust collector. The method according to claim 1,
The support,
Equipped with a handle on the upper side,
Centrifugal paint mist and oil mist dust collector with wheels on the lower side. The method according to claim 1,
An opening through which gas is introduced is formed at the lower end of the partition container,
A centrifugal paint mist and oil mist dust collector in which a plurality of louvers are installed in the opening to induce a vortex of gas and prevent the inflow of the mist. The method according to claim 1,
The second centrifugal separator,
A split rotation guide is provided on the upper side to induce rotation around the suction pipe while the airflow flowing in from the partition tube is divided into several branches, and a funnel-shaped taper portion whose inner diameter gradually narrows is provided on the lower side, and the lower side of the taper portion A centrifugal paint mist and oil mist dust collector that extends the discharge pipe through which the centrifuged mist is discharged. The method of claim 4,
The above dust collection box,
Centrifugal type paint mist and oil mist dust collector having a cylindrical central collecting container for separately receiving the mist discharged to the discharge pipe. The method according to claim 1,
Further comprising a porous filter installed around the periphery of the intake port,
The porous filter is formed in a cylindrical shape passing through a central axis and is inserted into the inner surface of the second centrifugal separator to filter fine dust and water vapor flowing into the inside of the second centrifugal separator from the partition container, and a nonwoven fabric, Centrifugal paint mist and oil mist dust collector made of one of fiber and paper and folded in zigzag along the circumferential direction to form a star-shaped cross section. delete

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