KR20220144008A - Air purification device for vehicle painting booth - Google Patents

Abstract

The present invention relates to an air purification device for a vehicle painting booth which comprises as follows: a multi-staged frame is formed; a prefilter unit is installed in an inner side lower end of the frame; a back filter unit is installed on a top of the prefilter unit; a carbon filter unit is installed on a top of the back filter unit; and a blowing fan for emitting purified air to the outside is installed on a top of the carbon filter unit. The prefilter unit and the back filter unit captures contaminants and micro-contaminants (i.e., dust) contained in the air. The carbon filter unit captures volatile organic compounds to purify air, emits the purified air in large quantities to five directions of the carbon filter unit, sucks air in large quantities at the same time in order to be proportional to an amount of purified air emitted from the carbon filter through both sides of the blowing fan, and emits purified air in large quantities to the outside. According to the present invention, the prefilter unit, the back filter unit and the carbon filter unit capture contaminants contained in the air of a vehicle painting booth, and purified air is emitted to the outside through the air purification device, thus the concentration of air pollution in the outside is prevented from increasing by emittance of purified air. Air purified in the carbon filter unit is simultaneously emitted to five directions of the carbon filter unit, and accordingly, an amount of emitted purified air is increased. Moreover, purified air amounts sucked through both sides of the blowing fan is improved to be in proportional to air amounts purified and emitted in the carbon filter unit, thus an amount of air flow purified in the air purification device and emitted to the outside is increased.

Description

Air purification device for vehicle painting booth }

The present invention relates to an air purifying device, and more particularly, collecting contaminants and microcontaminants from each of the pre-filter unit and the bag filter unit, and purifying the air by collecting volatile organic compounds from the carbon filter unit, in this case, It relates to an air purifier for a painting booth that purifies the air in the painting booth by sucking in a large amount of purified air from both sides with a blower and discharging it directly upward while discharging a large amount of air through the five sides of the carbon filter unit.

In general, ozone, which is a major cause of air pollution, is the result of nitrogen oxides generated from automobiles, objects to be painted, and various combustion facilities, and volatile organic compounds generated from petrochemical plants and businesses that use organic solvents to UV rays in the sun. Occurs mainly when a photochemical reaction occurs.

In particular, various pollutants are contained in the air in the painting booth. At this time, when the air containing these pollutants is released to the outdoors, the concentration of air pollution in the atmosphere increases rapidly, Contaminants must be purified and discharged outside.

Patent Document 1 shows a conventional vehicle painting booth prevention facility. Referring to this, a dust filter installed at the bottom and receiving air in the painting booth to collect the dust contained in the air, and the dust filter installed on the upper part It consists of an activated carbon filter that collects odors contained in the air moving directly above the dust filter, and a blowing means that is installed on the activated carbon filter and receives purified air moving upward through the activated carbon filter to the side and discharges it directly above. do.

Here, the dust contained in the air introduced below the dust filter passes through the Andrea filter and the pre-filter, respectively, the dust contained in the air is collected by the Andrea filter and the pre-filter, and then passes through the carbon filter. It collects harmful gases and purifies the air.

Then, the air moving directly above the dust filter is introduced into the opening of the activated carbon filter, and the odor is deodorized while passing through the standing filtration unit on the side and moves upward in the direction of the blowing means.

At this time, the upper end of the activated carbon filter is sealed with an upper blocking part, so that the air drawn into the activated carbon filter bypasses to the side and moves upward.

Then, the purified air is introduced in one direction of the blowing means, and at this time, the purified air is discharged directly upward while the fan of the blowing means is rotated and the purified air is discharged to the outside.

However, in Patent Document 1 as described above, the cross-sectional area is rapidly reduced by forming the carbon filter in a flat plate structure, and due to this reduction in cross-sectional area, only some of the harmful gases contained in the air moving directly upward are collected. The collection amount of harmful gas is significantly reduced, and it is difficult to collect the harmful gas contained in a large amount of air at once due to this reduction in the amount of collection. In particular, the amount of purified air supplied to the blowing means is significantly lowered compared to the amount of air that moves upward by receiving purified air from one side of the blowing means, and there is a difficulty in discharging a large amount of purified air to the outdoors, There is a problem in that the performance is lowered and the reliability of the product is lowered at the same time.

US 20-0492136 Y1

SUMMARY OF THE INVENTION The present invention is to solve the above problems, and an object of the present invention is to form a frame having a multi-stage structure, install a pre-filter part at the lower inner side of the frame, install a bag filter part on the top of the pre-filter part, and A carbon filter unit that discharges air in five directions is installed on the upper part of the filter unit, and a blower fan that sucks in purified air and discharges it to the outside through a direct upper part is installed on the upper part of the carbon filter unit. The contained contaminants and microcontaminants (eg, dust, dust) are collected, and the air is purified while collecting volatile organic compounds in the carbon filter unit, and the purified air is used before, after, left, right and at the carbon filter unit. Air purification for vehicle paint booths that discharge a large amount of purified air to the outdoors by simultaneously inhaling a large amount of air in proportion to the amount of purified air discharged from the carbon filter through both sides of the blower fan while simultaneously discharging a large amount to five directions through the upper surface. to provide the device.

In order to achieve the object of the present invention as described above, an air purifying apparatus for a vehicle painting booth according to the present invention includes: a frame formed in a frame shape having a multi-stage structure; a pre-filter unit installed at the lower end of the frame and purifying the air by collecting contaminants contained in the air introduced downward; It is installed in the multi-layered layer of the frame so as to be positioned above the pre-filter unit, and collects micro-contaminants having particles relatively smaller than the contaminants contained in the air moving directly upward through the pre-filter unit to collect the air. a bag filter unit to purify the The front, rear, left, right and upper surfaces are perforated to form a mesh structure, installed in the multi-layered frame of the frame to be positioned above the bag filter unit, and included in the air moving directly upward through the bag filter a carbon filter unit for collecting volatile organic compounds and discharging purified air in five directions; and a blower installed on the upper surface of the frame so as to be positioned above the carbon filter unit, sucking in the purified air discharged from the carbon filter unit on both sides, and discharging the purified air in a direction perpendicular to the suction direction; characterized.

In the air purifier for a vehicle paint booth according to the present invention, the frame is characterized in that the pre-filter part, the bag filter part, and the carbon filter part are detachably coupled to each multi-layer in a sliding manner.

In the air purifying apparatus for a vehicle painting booth according to the present invention, the carbon filter apparatus includes: a hollow mesh-shaped housing having upper and lower portions open; a lower cover having a plate shape, installed to finish the lower end of the housing, and penetrating through the bottom surface in the longitudinal direction to form an air inlet hole for allowing contaminated air to flow into the housing; an upper cover having a mesh shape, installed to close the upper end of the housing opposite to the lower cover, and discharging air purified in the housing upward; In a mesh network shape, it is installed in close contact with the upper surface of the lower cover, and a hollow support protrusion communicating with the air inlet hole is formed on the upper surface, so that the air introduced through the air inlet hole passes through the support protrusion of the housing. an air flow guide for guiding the outer surface and moving in the direction of the top cover; A carbon filter inserted and coupled into the housing so as to surround the outer surface of the support protrusion of the air flow guide part, and purifies the contaminants contained in the air moving in the direction of the outer surface of the housing and the top cover by the air flow guide part; includes; characterized in that

In the air purifier for a vehicle painting booth according to the present invention, the top cover is formed to protrude toward the upper surface of the carbon filter on its bottom surface, and a pressing member for pressing and pressing the upper surface of the carbon filter is further formed. do it with

In the air purifying apparatus for a vehicle painting booth according to the present invention, the pressing member includes: an elastic spring installed on a bottom surface of the top cover; It has a mesh network structure, connected to the lower end of the elastic spring, is pressed in the carbon filter direction by the elastic spring, and pressurizes the upper surface of the carbon filter in a direct downward direction.

In the air purifying apparatus for a vehicle painting booth according to the present invention, the carbon filter is formed between the top cover and the support protrusion of the air flow guide part, and is contained in the air moving from the support protrusion in the direction of the top cover. a horizontal purification unit that purifies pollutants; Vertical purification for purifying contaminants contained in the air moving from the support protrusion toward the outer surface of the housing by being formed to have a relatively thinner thickness than the thickness of the horizontal purification unit and to be erected downward from the rim of the horizontal purification unit It is characterized in that it is composed of;

In the air purifying apparatus for a vehicle painting booth according to the present invention, the blower comprises: an impeller for discharging air sucked from both sides in the axial direction perpendicular to the axial direction; The impeller is provided on the inside, and suction ports are formed on both sides of the axial direction of the impeller, and a casing having an outlet port formed on one side of the radial direction of the impeller is included, wherein the impeller is curved toward the rotation direction while forming a curved surface. It includes a plurality of blades installed inclined in the opposite direction with respect to the casing, the outer casing and the inner casing surrounding the inner side of the outer casing and spaced apart from the outer casing by a predetermined distance and having a plurality of through-holes perforated characterized in that

In the air purifying apparatus for a vehicle painting booth according to the present invention, the impeller further includes a shroud provided on both sides of the impeller to guide the sucked air while forming a funnel shape having a diameter of one end adjacent to the casing smaller than the diameter of the other end. However, the shroud is characterized in that the side connecting the one end and the other end is formed to form a curved inwardly curved surface.

In the air purifying apparatus for a vehicle painting booth according to the present invention, the impeller forms a first fixing line in which some edges of the blade are curved corresponding to the side surface of the shroud, so that the first fixing line is coupled to the side surface of the shroud. , while the other end of the shroud is extended to protrude from the first fixed line

It is characterized in that an edge portion bent toward one end of the shroud is formed.

In the air purifying apparatus for a vehicle painting booth according to the present invention, the impeller further includes a central fixing plate vertically disposed while forming a plate shape, and a plurality of blades are provided radially on both sides of the central fixing plate, wherein the blades include , The second fixing line, which is a straight edge coupled to the central fixing plate while facing the first fixing line, and one end of the first fixing line located at the other end of the shroud and one end of the second fixing line, while connecting one end of the second fixing line to the outside, convex curved shape It is characterized in that it includes a suction line which is an edge, and a discharge line which is a straight edge connecting the other end of the first fixed line positioned at one end of the shroud and the other end of the second fixed line.

In the air purifying apparatus for a vehicle painting booth according to the present invention, the blade is formed to have a gradually longer length in the order of a first fixed line, a discharge line, a second fixed line, and a suction line, wherein the suction line is an impeller It is provided up to a point adjacent to the rotation axis of the , characterized in that it is exposed through the inlet.

According to the present invention, the air in the paint booth for a vehicle is sequentially passed through the pre-filter unit, the bag filter unit, and the carbon filter unit, while contaminants (eg, dust, dust, volatile organic compounds) contained in the air are collected and the air purifying device is installed. The purified air is discharged to the outdoors through the exhaust, and there is no fear of an increase in the outdoor air pollution concentration by discharging the purified air. Simultaneously discharged in five directions through As the amount of air discharged to the outside after being purified in the air conditioner increases, the air in the vehicle paint booth is quickly discharged, thereby reducing the air pollution in the vehicle paint booth and improving the reliability of the product.

1 is a schematic view showing a state in which an air purifier for a vehicle painting booth according to the present invention is installed in the painting booth;
Figure 2 is a schematic perspective view showing an air purifying device for a vehicle paint booth according to the present invention.
3 is a side view of the air purifier for a vehicle paint booth according to the present invention.
4 is a perspective view showing a carbon filter unit of the air purifier for a vehicle painting booth according to the present invention.
Figure 5 is a bottom perspective view of Figure 4;
6 is an exploded perspective view of the carbon filter part of the air purifier for a vehicle paint booth according to the present invention.
7 is a cross-sectional view showing a carbon filter of the air purifier for a vehicle paint booth according to the present invention.
8 is a side cross-sectional view showing a carbon filter unit of the air purifier for a vehicle paint booth according to the present invention.
9 is a perspective view showing a state in which a plurality of carbon filter units of the air purifier for a vehicle painting booth according to the present invention are accommodated.
Figure 10 is a schematic side view showing a movement path of the air purified through the air purification apparatus for a vehicle paint booth according to the present invention.
11 is a schematic plan view of a blower of the air purifier for a vehicle painting booth according to the present invention.
12 is a schematic view from the front of the blower of the air purifier for a vehicle paint booth according to the present invention.
13 is a schematic view of the blower of the air purifier for a vehicle painting booth according to the present invention viewed from the right side.
14 is a schematic view showing the structure of the impeller applied to the blower of the air purifier for a vehicle paint booth according to the present invention.
15 is a view showing the structure of a blade applied to the blower of the air purifier for a vehicle paint booth according to the present invention.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1 to 15, the frame 100 is formed in a frame shape of a multi-stage structure.

The frame 100 is formed to protrude to a predetermined height, and the pre-filter unit 200 , the bag filter unit 300 , the carbon filter unit 400 , and the blower 500 are sequentially seated and fixed thereon.

In the frame 100, the pre-filter unit 200, the bag filter unit 300, and the carbon filter unit 400 are detachably attached to each of the multi-layers in a sliding manner.

The frame 100 is configured such that the pre-filter unit 200, the bag filter unit 300, and the carbon filter unit 400 are separated in a sliding manner, so that the pre-filter unit 200, the bag filter unit 300 and the Maintenance of the carbon filter unit 400 is convenient.

The pre-filter unit 200 is installed at the lower end of the frame 100, and collects contaminants contained in the air introduced downward to purify the air.

The pre-filter unit 200 is installed at the lowermost end of the frame and allows the intake of polluted air moving through a lower tunnel (unsigned) connected to the vehicle paint booth, thereby collecting pollutants contained in the air.

The pre-filter 200 is one of commercialized technologies made of polyester non-woven fabric, and filters more than 30% of dust contained in the air.

The pre-filter unit 200 is installed under the bag filter unit 300 , and after primary purification of air, discharges the air directly upward toward the bag filter unit 300 .

The bag filter unit 300 is installed in the multi-layered structure of the frame 100 so as to be positioned above the pre-filter unit 200, passed through the pre-filter unit 200 and contained in the air moving directly upward. The air is purified by collecting fine pollutants (dust 90%, 5 micro level) having relatively smaller particles than the pollutants.

The bag filter unit 300 purifies the air secondarily while collecting dust contained in the air.

The bag filter unit 300 collects dust of 5 μm contained in the air and filters out more than 90% of the dust.

The carbon filter unit 400 is perforated so that the front, rear, left, right and upper surfaces form a mesh structure, and is installed in the multi-layered layer of the frame 100 so as to be positioned above the bag filter unit 300 , The volatile organic compounds contained in the air moving directly upward through the bag filter 300 are collected, and the purified air is discharged in five directions.

The carbon filter unit 400 purifies the air by collecting volatile organic compounds contained in the air, and then discharges the purified air in five directions to guide a large amount of air to be supplied to the blower 500 . .

The carbon filter device 400 includes a housing 410 of a hollow mesh network with upper and lower openings, a plate shape, and is installed to close the lower end of the housing 410, and penetrates through the bottom surface in the longitudinal direction. Formed, the lower cover 420 having an air inlet hole 421 for allowing contaminated air to flow into the housing 410, in the form of a mesh network, the housing 410 opposite to the lower cover 420 Installed to close the top, the top cover 430 for discharging purified air in the housing 410 upwards, in a mesh shape, is installed in close contact with the top surface of the bottom cover 420, and the air is introduced into the top surface By forming a hollow support protrusion 441 communicating with the hole 421, the air introduced through the air inlet hole 421 passes through the support protrusion 441 to the outer surface of the housing 410 and the upper end. The air flow guide part 440 for guiding movement in the direction of the cover 430, the support protrusion 441 of the air flow guide part 440 is inserted and coupled into the housing 410 to surround the outer surface, the air flow guide A carbon filter 450 for purifying contaminants contained in the air moving toward the outer surface of the housing 410 and the top cover 430 by the part 440 is included.

The upper and lower ends of the housing 410 are closed by the lower cover 420 and the upper cover 430 , respectively.

The housing 410 accommodates the air flow guide 440 and the carbon filter 450 therein.

In the housing 410, air moving upward by the support protrusion 441 of the air flow guide part 440 is discharged in five directions toward the front, rear, left, right side and upward of the housing 410. guide as much as possible.

The housing 410 allows the purified air to be discharged to the outside while passing through the carbon filter 450 .

The housing 410 forms a plurality of through-holes (unsigned) on its outer surface to allow the purified air to be discharged.

The lower cover 420 closes the lower end of the housing 410 , and guides the air to be intensively supplied to the air inlet hole 421 .

The air inlet hole 421 is preferably formed through the longitudinal direction of the central portion of the lower cover 420 .

The air inlet hole 421 communicates with the lower end of the support protrusion 441 of the air flow guide part 440 to guide air to be supplied into the support protrusion 441 .

Preferably, the diameter of the air inlet hole 421 is proportional to the diameter of the lower end of the support protrusion 441 .

The top cover 430 allows the air purified while passing through the horizontal purifying part 451 of the carbon filter 450 in the housing 410 to be discharged above the housing 410 .

The top cover 430 prevents the carbon filter 450 installed in the housing 410 from being separated above the housing 410 .

Both ends of the top cover 430 are caught by the locking members 411 formed on both sides of the housing 410 , and are fixed to close the top of the housing 100 .

The top cover 430 is formed to protrude toward the upper surface of the carbon filter 450 on its bottom surface, and further forms a pressing member 431 for pressing and pressing the upper surface of the carbon filter 450 .

The pressing member 431 presses and pressurizes the upper surface of the carbon filter 450 to correspond to the surface height of the purification material 450a provided in the carbon filter 450 , and the polluted air passing through the carbon filter 450 . The purifying material 450a in the carbon filter 450 is prevented from being lifted upward in the carbon filter 450 by the pressure of the carbon filter 450 .

The pressing member 431 is connected to the lower end of the elastic spring 431a in a mesh network structure with an elastic spring 431a installed on the bottom surface of the top cover 430, and the carbon filter by the elastic spring 431a. It is pressed in the (450) direction, and is composed of a pressing plate (431b) that presses the upper surface of the carbon filter (450) in a direct downward direction.

The elastic spring 431a presses the pressure plate 431b so that the pressure plate 431b moves to a position corresponding to the surface height of the purification material 450a of the carbon filter 450 .

A plurality of elastic springs 431a are formed to be spaced apart from each other by a predetermined interval to press the pressure plate 431b directly downward toward the upper surface of the carbon filter 450 .

The pressure plate 431b is formed in a mesh structure, and allows the purified air moving upwards of the carbon filter 450 to pass in the direction of the top cover 430 .

The pressure plate 431b is pressed by the elastic spring 431a, and is moved to a position corresponding to the surface height of the purification material 450a of the carbon filter 450, and the purification material 450a in the carbon filter 450. ) to pressurize.

The pressure plate 431b presses and presses the purification material 450a contained in the horizontal purification unit 451 of the carbon filter 450, and the purification material accommodated in the horizontal purification unit 451 and the vertical purification unit 452 ( 450a) is preferably maintained in a gathered state.

The pressure plate 431b may be formed in plurality to be spaced apart from each other by a predetermined interval to press and press the horizontal purification unit 451 of the carbon filter 450 .

The air flow guide part 440 is a horizontal purifier 451 and a vertical purifier 452 of the carbon filter 450 through which the polluted air introduced into the housing 410 through the air inlet hole 421 is directed. guide you to go to

The lower end of the support protrusion 441 of the air flow guide part 440 communicates with the air inlet hole 421 to guide the movement of polluted air introduced through the air inlet hole 421 .

It is preferable that the area of the lower end of the support protrusion 441 is proportional to the area of the air inlet hole 421 .

The support protrusion 441 of the air flow guide part 440 is installed to have an outer surface and an upper surface spaced apart from the inner surface and upper end of the housing 410 by a predetermined distance.

The carbon filter 450 is installed to fill between the support protrusion 441 of the air flow guide part 440 and the inner circumferential surface of the housing 410, and a purification material for collecting volatile organic compounds and hydrocarbons contained in polluted air. It is preferable to form (450a).

The purification material 450a forms an air passing layer therebetween while being filled in the carbon filter 450 to allow the purified air to pass therethrough.

The carbon filter 450 is formed between the top cover 430 and the support protrusion 441 of the air flow guide part 440, and moves from the support protrusion 441 to the top cover 430 direction. The horizontal purification unit 451 for purifying volatile organic compounds and hydrocarbons contained in the air is formed to have a relatively thinner thickness T2 than the thickness T1 of the horizontal purification unit 451, and the horizontal purification unit 451 ) is formed to be erected downward from the edge, and is composed of a vertical purification unit 452 for purifying volatile organic compounds and hydrocarbons contained in the air moving from the support protrusion 441 to the outer surface of the housing 410 .

The horizontal purification unit 451 and the vertical purification unit 452 are formed in a state in which their interiors are in communication with each other, and contain the purification material 450a therein.

The carbon filter 450 allows the purification material 450a accommodated in the horizontal purification unit 451 to enter into the vertical purification unit 452 by a free-fall method, and the horizontal purification unit 451 and the The purification material is evenly distributed in the vertical purification unit 452 .

Preferably, the carbon filter 450 has a ratio of a thickness T1 of the horizontal purification unit 451 to a thickness T2 of the vertical purification unit 452 in a ratio of 10:6.

It is preferable that the thickness T1 of the horizontal purification part 451 of the carbon filter 450 is 100 cm, and the thickness T2 of the vertical purification part 452 is 60 cm.

When the surface height of the purification material 450a accommodated therein moves downward, the horizontal purification part 451 is the top cover 430 that moves so that its upper surface corresponds to the surface height of the purification material 450a. It is pressed by the formed pressing member 431, and maintains the gathering state of the purification material 450a accommodated therein.

The blower 500 is installed on the upper surface of the frame 100 so as to be positioned above the carbon filter unit 400, and sucks the purified air discharged from the carbon filter unit 400 on both sides, and is orthogonal to the suction direction. Exhaust the purified air in the right direction.

The blower 500 includes an impeller 510 for discharging air sucked from both sides in the axial direction perpendicular to the axial direction, and the impeller 510 is provided inside and on both sides of the impeller 510 in the axial direction. Including a casing 520 in which an inlet is formed and an outlet is formed on one side of the radial direction of the impeller 510, wherein the impeller 510 is inclined in the opposite direction to the rotation direction while forming a curved surface curved toward the rotation direction. It includes a plurality of blades 511 installed, and the casing 520 is spaced apart from the outer casing 521 by a predetermined distance from the outer casing 521 while surrounding the inner side of the outer casing 521 and the outer casing 521. The through hole 522a includes an inner casing 522 perforated therein.

The impeller 510 has a multi-wind volume and multi-wind pressure characteristics to form an intermediate type between a sirocco fan and a turbo fan, and to have higher efficiency and less noise compared to the same class specifications, the air sucked from both sides of the axial direction is perpendicular to the axial direction. discharge

As the impeller 510 rotates, it sucks in the purified air to both sides of the axial direction and discharges the purified air in a vertical direction perpendicular to the suctioned direction.

The impeller 510 is rotated together with the rotating shaft 530 about a rotating shaft 530 provided to penetrate the suction ports on both sides of the casing 520 .

The rotation shaft 530 is rotated by various driving methods (eg, a motor).

Each of the blades 511, some edges are coupled to the shroud 512, and some edges are coupled to the central fixing plate 513, it is possible to achieve a stably fixed state.

In describing the edge of the blade 511, a straight line or a curved line means an edge shape formed when one blade 511 is viewed to form a plate shape in a plane.

The impeller 510 further includes a shroud 512 provided on both sides of the impeller 510 to guide the sucked air while forming a funnel shape having a diameter of one end adjacent to the casing 520 smaller than the diameter of the other end. The shroud 512 is formed so that a side surface connecting one end and the other end is curved inwardly.

The shroud 512 has a large pressure difference between one end and the other end of the shroud 512 compared to a case in which the side surface is formed to form an inclined plane, so that the air sucked into the blade 511 can be smoothly guided.

The impeller 510 forms a first fixing line 511a in which some edges of the blade 511 have a curved line corresponding to the side surface of the shroud 512 , and the first fixing line 511a is the side surface of the shroud 512 . and the edge portion 512a bent toward one end of the shroud 512 is formed while the other end of the shroud 512 extends to protrude from the first fixing line 511a.

The edge portion 512a reinforces the strength of the other end of the shroud 512, and the first fixing line 511a of the blade 511 is welded at a position spaced apart from the other end of the shroud 512. Therefore, it is possible to more stably couple the shroud 512 and the blade 511.

The impeller 510 further includes a central fixing plate 513 vertically disposed while forming a plate shape, and a plurality of blades 511 are radially disposed on both sides of the central fixing plate 513 .

Doedoe, the blade 511 has a second fixing line 511b, which is a straight edge coupled to the central fixing plate 513 while facing the first fixing line 511a, and the other end of the shroud 512. A suction line (511c) which is a curved edge convex outward while connecting one end of the first fixed line (511a) and one end of the second fixed line (511b), and a first fixed line located at one end of the shroud (512) It includes a discharge line 511d that is a straight edge connecting the other end of the 511a and the other end of the second fixing line 511b.

The central fixing plate 513 may be formed through a plurality of vibration reducing holes (513a).

The vibration reducing hole 513a may be formed through a plurality of radially with respect to the center of the central fixing plate 513, and may be formed to have a diameter of about 1 to 2 cm.

The vibration reducing hole 513a serves to relieve the pressure difference of the air sucked from both sides based on the central fixing plate 513, so that the impeller 510 rotates more stably without shaking.

The blade 511 is formed to have a gradually longer length in the order of a first fixed line 511a, a discharge line 511d, a second fixed line 511b, and a suction line 511c, the suction line 511c ) is provided up to a point adjacent to the rotation shaft 530 of the impeller 510, and is exposed through the suction port.

The blade 511, due to the suction line 511c exposed through the suction port, can smoothly suction the air and increase the intake amount of air, and the discharge line 511d also has a longer length than that of a conventional turbofan. Therefore, it is possible to increase the discharge amount of air, thereby generating a large amount of air.

The air purifying device for a vehicle paint booth according to the present invention configured as described above is used as follows.

In the following description, the contaminated air is introduced into the pre-filter unit 200 formed at the lower end of the frame 100, and after passing through the bag filter unit 300 and the carbon filter unit 400 sequentially while moving directly upward. The order of being discharged to the outside through the blower 500 will be described.

First, the polluted air generated in the vehicle painting booth is moved in the direction of the air purifier through the lower tunnel (unsigned) in the painting booth, and at this time, the pre-filter unit 200 installed at the lowermost end of the frame 100 of the air purifier. Contaminated air moves directly upward toward the direction.

Then, the air moving directly upward in the direction of the pre-filter unit 200 and the air passing through the pre-filter unit 200 are upwardly moved in the direction of the bag filter unit 300 .

At this time, the pre-filter unit 200 primarily purifies the air while collecting contaminants contained in the air.

Here, 30% of dust, which is a contaminant contained in the air, is filtered while passing through the pre-filter unit 200 .

Then, the polluted air that passes through the pre-filter unit 200 and moves upward in the direction of the bag filter unit 300 passes through the bag filter unit 300 , and at this time, by the bag filter unit 300 , The air is secondarily purified.

At this time, the bag filter unit 300 collects fine contaminants whose particles are relatively small compared to the contaminants purified in the pre-filter unit 200, and removes 90% of the fine contaminants contained in the air. will take it out

Thereafter, the polluted air moving directly upward toward the carbon filter unit 400 enters the carbon filter unit 400 , and the volatile organic compounds are collected in the carbon filter unit 400 .

Here, the housing 410 coupled in a sliding manner in the air purifier maintains a state spaced apart from each other by a predetermined distance, and an air induction hole H between the housing 410 guides the purified air to move upward. it will be formed

That is, the air introduced into the housing 410 through the air inlet hole 421 is supported through the lower end of the support protrusion 441 of the air flow guide part 440 formed in communication with the air inlet hole 421 . It is fed into the protrusion 441 .

Here, the air flow guide part 440 is formed in a mesh network structure, and the polluted air introduced into the support protrusion 441 passes through the four sides and the upper surface of the support protrusion 441 on the outer surface of the housing 410 . And the top cover 430 is moved in the direction.

Subsequently, the polluted air moving from the support protrusion 441 toward the outer surface of the housing 410 and the top cover 430 passes through the carbon filter 450 , and at this time, the purification material in the carbon filter 450 . (450a) while collecting the volatile organic compounds and hydrocarbons contained in the air, passing air through the air passage layer between the collected purification materials (450a), after the polluted air is purified in the carbon filter (450), It is discharged in five directions toward the front, rear, left and right sides of the housing 410 and the top cover 430 .

Then, the purified air discharged to the upper part through the top cover 430 installed on the upper part of the housing 410 and the air induction formed between the housing 410 by being discharged through the front, rear, left and right sides of the housing 410 . Purified air moving directly upward along the hole (H) is discharged to the outside through the blower (500).

In particular, the surface height of the purification material 450a accommodated in the carbon filter 450 is changed due to vibration or external shock generated in the carbon filter unit 400, so that the surface height of the purification material 450a is changed. When is relatively low, the pressing member 431 installed on the bottom surface of the top cover 430 is moved directly downward to correspond to the surface height of the purification material 450a while pressing and pressing the upper surface of the carbon filter 450 .

At this time, the pressing plate 431b of the pressing member 431 is connected by an elastic spring 431a installed on the bottom surface of the top cover 430 , and is pressed by the elastic spring 431a in the carbon filter 450 . While moving directly downward to correspond to the surface height of the purification material 450a, the upper surface of the carbon filter 450 is pressed and pressed.

In addition, the pressure plate 431b is formed in a mesh network structure, so that the air purified by the carbon filter 450 moves in the direction of the top cover 430, the purified air passes as it is, and the purified air is It is prevented from being blocked by the pressing plate 431b.

Here, the pressing plate 431b of the pressing member 431 presses and presses the upper surface of the carbon filter 450, and by the inflow pressure of the contaminated air supplied into the carbon filter unit 400, The purification material 450a is prevented from floating in the carbon filter 450 .

That is, when the vibration or impact of the carbon filter device of the paint booth for a vehicle is transmitted to the carbon filter 450 , some of the purification materials 450a among the purification materials 450a accommodated in the horizontal purification unit 451 of the carbon filter 450 . ) is entered into the vertical purification unit 452 by a free fall method, and the purification material 450a is evenly distributed in the horizontal purification unit 451 and the vertical purification unit 452, and the car phone filter 450. The gathering state of the purification material 450a inside is maintained.

Then, as the polluted air passes between the purified material 4500a maintaining the collected state, the pollutants are collected in the purified material 450a, and the volatile organic compounds and hydrocarbon substances contained in the polluted air are added to the purified material 450a. will be caught by

At this time, the thickness T1 of the horizontal purification part 451 of the carbon filter 450 is relatively thicker than the thickness T2 of the vertical purification part 452, and the thickness (T1, T2) ratio is Formed in a ratio of 10:6, even if the purification material 450a in the horizontal purification part 451 enters the vertical purification part 452, a predetermined amount of the purification material 450a in the horizontal purification part 451 is It is to purify the contaminants that remain and move in the direction of the top cover 430 .

Thereafter, the pollutants are purified while continuously passing the polluted air through the carbon filter 450 in the same manner as above, and the purified air is used before and after the top cover 430 and the housing 410, It is discharged to the outside through the left and right five directions.

If the carbon filter 450 accommodated in the housing 410 is to be replaced, the engaging member 411 is separated from the top cover 430, and in this state, the top cover 430 is attached to the housing. (410) is separated from the upper end so that the upper end of the housing 410 is exposed to the outside.

Then, the carbon filter 450 accommodated in the housing 410 is separated upward through the upper end of the housing 410 to separate the carbon filter 450 from the housing 410, and the other carbon filter 450 is introduced into the housing 410 , and the top cover 430 is coupled and fixed to the upper end of the housing 410 in the same fastening manner as described above.

Next, the carbon filter part 400, in which the carbon filter 450 has been replaced, is inserted and fastened to the frame frame in a sliding manner, as described above, to purify the polluted air in the same manner as described above.

Then, the air discharged in the five directions from the carbon filter unit 400 moves upward in the direction of the blower 500 and then is sucked into both sides of the blower 500 and is orthogonal to the suction direction. As the discharge of the purified air in the vertical direction, which is the direction to be, the configuration and operation thereof will be described in detail below.

The impeller 510 has a plurality of blades 511 forming a plate shape.

Although provided, the blade 511 is formed to form a curved surface curved in the direction of rotation, and thus is installed to be inclined in the opposite direction to the direction of rotation.

That is, the blade 511 forms a back ward.

In addition, the impeller 511 may further include a central fixing plate 513 vertically disposed in the center while forming a plate shape so that air can be independently sucked from one side and the other side in the axial direction.

Accordingly, the plurality of blades 511 are provided radially on both sides of the central fixing plate 513, and the plurality of blades 511 provided radially on one side of the central fixing plate 513 are provided from one side in the axial direction. A plurality of blades 511 provided radially on the other side of the central fixing plate 513 and sucking air sucks air from the other side in the axial direction.

On the other hand, the central fixing plate 513 may be formed through a plurality of vibration reducing holes (513a), at this time, the vibration reducing holes (513a) are formed through a plurality of radially based on the center of the central fixing plate (513). It can be, and its diameter is formed to be about 1 to 2 cm, and the pressure difference of the air sucked from both sides with respect to the central fixing plate 513 is relieved by this vibration reducing hole 513a, and the impeller 510 is It rotates more stably without shaking.

And, the impeller 510 further includes a shroud 512 for guiding the air sucked through the suction ports formed on both sides of the casing 520 to the blade 511 of the impeller 510, the shroud 512 is The diameter of one end adjacent to the casing 520 may form a funnel shape smaller than the diameter of the other end, and these shrouds 512 are provided on both sides of the impeller 510 , respectively.

That is, the shroud 512 is preferably formed so that the side connecting one end and the other end forms a curved inwardly curved surface. Since the pressure difference between the short sides is formed large, the air sucked into the blade 511 can be smoothly guided.

In addition, each of the blades 511 constituting the impeller 510 has some edges coupled to the shroud 512 , and some edges coupled to the central fixing plate 513 to form a stably fixed state.

At this time, in describing the edge of the blade 511, a straight line or a curved line means an edge shape formed when one blade 511 is viewed to form a plate shape in a plane.

Accordingly, the blade 511 may form a first fixing line 511a in which some edges are curved corresponding to the side surface of the shroud 512 , and the first fixing line 511a may be formed with the side surface of the shroud 512 and the first fixing line 511a. In combination, the blade 511 may be provided to stand up against the side surface of the shroud 512 .

At this time, when the first fixing line 511a is coupled to the side surface of the shroud 512, the bar is coupled to form an integral body through a conventional welding method. , in order to prevent the strength of the other end of the shroud 512 from weakening, the other end of the shroud 512 protrudes from the first fixing line 511a

While extending, the edge portion 512a bent toward one end of the shroud 512 is formed.

Here, the edge portion 512a reinforces the strength of the other end of the shroud 512, and the first fixing line 511a of the blade 511 is welded at a position spaced apart from the end of the other end of the shroud 512. Thus, it is possible to more stably couple the shroud 512 and the blade 511.

In addition, the blade 511 includes a second fixing line 511b that is a straight edge facing the first fixing line 511a in addition to the first fixing line 511a, and the second fixing line 511b ) is coupled to the central fixing plate (513).

That is, in each of the plurality of blades 511, the first fixing line 511a is coupled to the shroud 512, and the second fixing line 511b is coupled to the central fixing plate 513 while the central fixing plate ( 513), radially on both sides.

The blade 511 fixed as described above connects one end of the first fixing line 511a and one end of the second fixing line 511b positioned at the other end of the shroud 512 while connecting one end of the second fixing line 511b to the outside while convex curved shape. The suction line 511c, which is an edge, and the discharge line 511d, which is a straight edge connecting the other end of the first fixed line 511a located at one end of the shroud 512 and the other end of the second fixed line 511b, are included. can do.

Accordingly, the blade 511 forms a sectoral shape in which a portion coupled to the shroud 512 is recessed inward when viewed in a plan view.

The blade 511 may be formed to have a gradually longer length in the order of the first fixed line 511a, the discharge line 114, the second fixed line 511b, and the suction line 511c, at this time, The suction line 511c is provided up to a point adjacent to the rotation shaft 530 of the impeller 510 , and may be exposed through the suction port of the casing 520 .

Here, the blade 511 can smoothly suction air and increase the intake amount of air due to the suction line 511c exposed through the suction port, and the discharge line 511d also has a longer length than that of a conventional turbofan. Since it has an airflow, it is possible to increase the amount of air discharged, thereby generating a large amount of air.

In addition, the blade 511, according to the length ratio of the suction line (511c) and the discharge line (511d), the discharge amount and the intake amount of the air is 1:06 to 1:08 (more preferably 1:07) Bar, it is possible to generate a wind pressure close to that of a conventional turbo fan while having a blade characteristic close to that of a conventional chiro fan, and can have multiple air volume and multiple wind pressure characteristics, and in addition, the outlet installation angle of the blade 110 is 35 ~ 39 ° (more preferably, 37 °) by making it to achieve, it is possible to increase the efficiency compared to the specifications in the same class.

And, the casing 520 provided on the inside of the impeller 510 includes an outer casing 521 and an inner casing 522 provided on the inside of the outer casing 521, at this time, the inner casing ( 522 is formed to correspond to the outer casing 521 to surround the inner side of the outer casing 521 , and is installed to be spaced apart from the outer casing 521 by a predetermined distance.

At this time, a gap forming hole 523 is provided between the outer casing 521 and the inner casing 522 so that the inner casing 522 can be fixed at a predetermined distance from the inside of the outer casing 521, A plurality of the spacing forming holes 523 are arranged at a predetermined interval, and by connecting the outer casing 521 and the inner casing 522, a space is formed between the outer casing 521 and the inner casing 522. do.

Then, the inner casing 522, a plurality of the through-holes 522a are perforated, the diameter of the through-holes 522a is formed to form 1 to 2 cm, it is preferable to be formed throughout the inner casing 522 .

In addition, the air introduced into the casing 520 through the suction port due to the rotation of the impeller 510 is partially introduced into the space between the outer casing 521 and the inner casing 522 through the through hole 522a, so that the air jacket Since it plays the same role, it is possible to obtain the effect of reducing the noise generated while the impeller 510 is rotated.

In addition, the casing 520 has an inlet guide 524 provided on the inside of the suction port formed on both sides of the casing 520 while forming a funnel shape in which the diameter of one end adjacent to the impeller 510 is smaller than the diameter of the other end. , the inlet guide 524 serves to guide the air introduced through the inlet toward the impeller 510, and, like the shroud 512, a side connecting one end and the other end for smooth inflow of air It is preferable to form an inwardly curved curved surface.

In addition, the diameter of one end of the inlet guide 524 is formed to be relatively smaller than the diameter of one end of the shroud 512 , so that one end of the inlet guide 524 is located inside one end of the shroud 512 . do.

The blower 500 as described above can reduce noise due to the pocket phenomenon caused by the air jacket in the space spaced apart from the outer casing 521 and the inner casing 522, as well as reduce the noise of the cyclo fan and the turbo fan. By forming a smooth air flow in the casing 520 through the wide blade 511 forming the intermediate type, it can have multiple air volume and multiple wind pressure characteristics, and can increase the efficiency compared to the same class specification, thereby reducing the installation area. Of course, power consumption can be reduced, so space utilization and economy can be secured.

As described above, pollutants and microcontaminants are filtered out from the pre-filter unit 200 and the bag filter unit 300, and volatile organic compounds and hydrocarbon substances are filtered out from the carbon filter unit 400 to filter purified air in five directions. While discharging, a large amount of air is introduced through both sides of the blower 500 and discharged to the outside. There is no fear of increasing the contamination concentration, and in particular, the air purified by the carbon filter unit 400 is simultaneously discharged in five directions through the front, rear, left, right and upper surfaces of the carbon filter unit 400, so that the purified air The discharge amount is increased, and at the same time, the amount of purified air sucked through both sides of the blower 500 is increased so as to be proportional to the amount of air purified and discharged from the carbon filter unit 400 .

The air purifying device for a vehicle paint booth according to the present invention described above is not limited to the above-described embodiment, and without departing from the gist of the present invention as claimed in the following claims, those of ordinary skill in the art to which the present invention pertains. It has the technical spirit to the extent that anyone who grows up can change and implement it in various ways.

100: frame 200: pre-filter unit
300: bag filter unit 400: carbon filter unit
410: housing 411: locking member
420: bottom cover 421: air inlet hole
430: top cover 431: pressing member
431a: elastic spring 431b: pressure plate
440: air flow guide 441: support protrusion
450: carbon filter 450a: purification material
451: horizontal purification part 452: vertical purification part
500: blower 510: impeller
511: blade 511a: first fixed line
511b: second fixed line 511c: suction line
511d: discharge line 512: shroud
512a: edge portion 513: central fixed plate
513a: vibration relief ball 520: casing
521: outer casing 522: inner casing
522a: through hole 523: gap forming hole
524: inlet guide 530: rotation shaft
H : air guide hole T1, T2 : thickness

Claims (11)

a frame 100 formed in a frame shape of a multi-stage structure;
a pre-filter unit 200 installed at the lower end of the frame 100 and purifying the air by collecting pollutants (dust, about 30% of the dust) contained in the air introduced downward;
Installed in the multi-layered layer of the frame 100 so as to be positioned above the pre-filter unit 200, relatively smaller than the contaminants contained in the air moving directly upward through the pre-filter unit 200 a bag filter unit 300 that purifies the air by collecting fine pollutants (dust 90%, 5 micro level) having particles;
The front, rear, left, right and upper surfaces are perforated to form a mesh structure, installed in the multi-layered layer of the frame 100 so as to be positioned above the bag filter unit 300 , and pass through the bag filter 300 . a carbon filter unit 400 that collects volatile organic compounds contained in the air moving directly upward and discharges the purified air in five directions; and
It is installed on the upper surface of the frame 100 so as to be positioned above the carbon filter unit 400, and sucks the purified air discharged from the carbon filter unit 400 on both sides, and sucks the purified air in a direction perpendicular to the suction direction. a blower 500 for discharging;
An air purifying device for a vehicle paint booth, characterized in that it consists of. The method of claim 1,
The frame 100 is
An air purifier for a vehicle painting booth, characterized in that the pre-filter unit 200, the bag filter unit 300, and the carbon filter unit 400 are detachably and attached to each multi-layer in a sliding manner. The method of claim 1,
The carbon filter device 400,
A housing 410 in the shape of a hollow mesh network with the upper and lower portions open;
In a plate shape, the lower end is installed to finish the lower end of the housing 410 , is formed through the bottom surface in the longitudinal direction, and an air inlet hole 421 is formed to allow contaminated air to flow into the housing 410 . cover 420;
In a mesh shape, the upper cover 430 is installed to close the upper end of the housing 410 opposite to the lower cover 420, and discharges purified air from the housing 410 upward;
It has a mesh network shape, is installed in close contact with the upper surface of the lower cover 420, and forms a hollow support protrusion 441 communicating with the air inlet hole 421 on the upper surface, and through the air inlet hole 421 an air flow guide 440 for guiding the introduced air to move toward the outer surface of the housing 410 and the top cover 430 through the support protrusion 441;
It is inserted and coupled into the housing 410 so as to surround the outer surface of the support protrusion 441 of the air flow guide 440, and the outer surface of the housing 410 and the top cover 430 by the air flow guide 440 ) a carbon filter 450 for purifying contaminants contained in the air moving in the direction;
An air purifying device for a vehicle paint booth, characterized in that it comprises a. 3. The method of claim 2,
The top cover 430,
The air purifier for a vehicle paint booth, characterized in that the pressurizing member (431) is formed on the bottom surface to protrude toward the upper surface of the carbon filter (450) and presses the upper surface of the carbon filter (450). 5. The method of claim 4,
The pressing member 431 is,
an elastic spring (431a) installed on the bottom surface of the top cover (430);
In a mesh network structure, the pressure plate is connected to the lower end of the elastic spring 431a and is pressed in the direction of the carbon filter 450 by the elastic spring 431a, and presses the upper surface of the carbon filter 450 in a direct downward direction. (431b);
An air purifying device for a vehicle paint booth, characterized in that it consists of. 3. The method of claim 2,
The carbon filter 450,
Formed between the top cover 430 and the support protrusion 441 of the air flow guide part 440, the contaminants contained in the air moving in the direction from the support protrusion 441 to the top cover 430 are removed. a horizontal purification unit 451 for purifying;
It is formed to have a relatively thinner thickness (T2) than the thickness (T1) of the horizontal purification unit 451, and is formed to be upright downward from the rim of the horizontal purification unit 451, and the support protrusion 441 in the housing (410) a vertical purification unit 452 for purifying contaminants contained in the air moving in the outer surface direction;
An air purifying device for a vehicle paint booth, characterized in that it consists of. The method of claim 1,
The blower 500 is
an impeller 510 for discharging the air sucked from both sides in the axial direction perpendicular to the axial direction;
The impeller 510 is provided on the inside and suction ports are formed on both sides in the axial direction of the impeller 510, and a casing 520 in which an outlet port is formed on one side in the radial direction of the impeller 510,
The impeller 510 is,
It includes a plurality of blades 511 that are installed to be inclined in the opposite direction to the rotation direction while forming a curved surface curved toward the rotation direction,
The casing 520 is
An outer casing 521 and an inner casing 522 in which a plurality of through holes 522a are perforated while being spaced apart from the outer casing 521 by a predetermined distance while surrounding the inner side of the outer casing 521 Air purifier for vehicle painting booth. 8. The method of claim 7,
The impeller 510 is,
Further comprising a shroud 512 provided on both sides of the impeller 510 to guide the sucked air while forming a funnel shape having a diameter of one end adjacent to the casing 520 smaller than the diameter of the other end,
The shroud (512) is an air purifier for a vehicle painting booth, characterized in that the side connecting the one end and the other end is formed to form a curved surface that is curved inward. 9. The method of claim 8,
The impeller 510 is,
A portion of the edge of the blade 511 forms a curved first fixing line 511a corresponding to the side surface of the shroud 512, so that the first fixing line 511a is coupled to the side surface of the shroud 512,
The other end of the shroud 512 is extended to protrude from the first fixing line 511a.
An air purifier for a vehicle painting booth, characterized in that an edge portion (512a) bent toward one end of the shroud (512) is formed. 10. The method of claim 9,
The impeller 510 further includes a central fixing plate 513 disposed vertically while forming a plate shape, and a plurality of blades 511 are provided radially on both sides of the central fixing plate 513,
The blade 511 has a second fixing line 511b that is a straight edge coupled to the central fixing plate 513 while facing the first fixing line 511a, and a first fixing line located at the other end of the shroud 512 . The suction line 511c that is a curved edge convex outward while connecting one end of the 511a and one end of the second fixed line 511b, and the first fixed line 511a located at one end of the shroud 512 An air purifier for a vehicle painting booth, characterized in that it includes a discharge line (511d) that is a straight edge connecting the other end and the other end of the second fixing line (511b). 11. The method of claim 10,
The blade 511 is formed to have a gradually longer length in the order of a first fixed line 511a, a discharge line 511d, a second fixed line 511b, and a suction line 511c, the suction line 511c ) is provided up to a point adjacent to the rotation shaft 530 of the impeller 510, and is exposed through the suction port.

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