KR102094162B1 - A spray device for removing asbestos dust - Google Patents

Abstract

The present invention relates to a spray device for removing asbestos dust.
According to the present invention, when dismantling a building material containing asbestos, the spray angle is vertically installed in the workplace in a state where the spray angle is adjusted, and asbestos dust is collected by spraying and treating asbestos dust scattered from the beginning of work to completion. As the dust can be completely removed, it is possible to improve the leakage prevention of asbestos dust into the external environment, as well as safely dismantle asbestos-containing building materials installed in buildings such as schools, houses, buildings, etc. Therefore, an excellent workability effect is provided.

Description

A spray device for removing asbestos dust

The present invention relates to a spray device for removing asbestos dust, in detail, when dismantling building materials contained in asbestos installed in buildings such as schools, houses, buildings, etc., the pollution around the workplace and harmful elements of the working environment due to the scattering of asbestos dust It is configured to be removed.

In general, asbestos has excellent mechanical strength and is excellent in non-combustibility, heat insulation, durability, insulation, and heat retention, and is used as a building material. It has been widely used for a long time.

However, when asbestos dust is inhaled through the respiratory tract for a long time, asbestos is known to be harmful to the human body, such as asbestos lung (pulmonary ailment), lung cancer, and malignant mesothelioma, it is forbidden to construct asbestos as building materials. As regulations on the use of asbestos have been announced in earnest, foamed asbestos is no longer used in buildings, but asbestos-containing building materials that have been constructed in buildings such as subways, public structures, schools, houses, buildings, etc. have passed over time. The problem of spilling and scattering has arisen, and there is a need to dismantle these asbestos-containing building materials.

As described above, asbestos is very harmful to the human body, and even when dismantling asbestos-containing building materials, asbestos may scatter the surrounding environment due to the scattering of dust and cause secondary pollution or deteriorate the working environment of the workplace. Even in the process of dismantling building materials, the prevention of asbestos scattering is strictly regulated. As a prior art according to the dismantling work of asbestos-containing buildings, in Korean Patent Publication No. 10-2004-0006204 and Korean Patent Publication No. 10-2009-0104225, asbestos removal zones are isolated from the outside and wetting agents are used. Disclosed is a method of removing asbestos at the same time as spraying and using an exhaust system, and in Korean Patent Publication No. 10-2009-0076082, a method of removing asbestos after spraying an asbestos treatment agent having high permeability is disclosed. These prior arts mainly apply the wetting agent to the asbestos area to isolate the work area and the external environment and prevent asbestos scattering, but asbestos constantly scatters during the dismantling process by spraying the wetting agent. There was a defect that could not completely remove the dust.

In addition, Korean Patent Application Publication No. 10-2009-0123446 discloses a removal device that removes asbestos while strongly spraying water using a water jet on the subway ceiling, which is asbestos dust accumulated in subway ceilings, cables, etc. Since it is mainly a cleaning technology, it cannot be applied to the dismantling work of building materials.

In addition, in Korean Patent Registration No. 10-1023753, the main technology is to spray water into the work area to isolate the work area and the external environment and prevent scattering of asbestos dust, but this is to spray water (collecting agent) to the ceiling. Since multiple spray nozzles are installed in the supply line of multiple collectors, the space required for installation is large, which makes installation and demolition work difficult.

The present invention has been proposed to solve such a conventional problem, the object of the present invention is to equip the workshop with water spraying means for removing asbestos dust that is scattered when dismantling the asbestos-containing building materials, and to contaminate and work around the workplace. The present invention is to provide a spray device for removing asbestos dust, which is configured to completely remove harmful elements of the environment.

Problem solving means for achieving the above object is a case; Installed inside the case, the motor and air compressor for generating compressed air, the air conditioner compressor and the air supply hose connected to the air to control the pressure to control the pressure to discharge to the outside through the air discharge hose, and inside the case It is installed on one side of the bottom surface and is connected to the water tank where water is stored, the water tank connected to the water tank and the water supply hose to receive water and discharge it through the water discharge hose to the outside, and the water discharge hose connected to the water discharge hose Air generation and water supply means consisting of a return hose for returning water that is not discharged through to the water tank; In the spray device for removing asbestos dust comprising water spray means for removing asbestos dust by spraying water into the workplace by receiving air and water from the air generating and water supply means, the water spray means can be stably supported on the floor of the workplace , A height and a pedestal that can be adjusted; A horizontal fixing piece horizontally fastened and fixed to the upper portion of the pedestal; Hollow rectangular pillars each fastened and fixed so as to be angle-adjustable by an angle adjusting member perpendicular to both sides of the horizontal fixing piece; An upper vertical box communicating with the upper portion of the square column and fixed to be expanded; It is characterized in that it consists of a spray assembly for spraying water into the work place as the pressure of the air of the air generating and water supply means, respectively mounted inside the upper vertical box.

According to the present invention, when dismantling a building material containing asbestos, the spray angle is vertically installed in the workplace in a state where the spray angle is adjusted, and asbestos dust scattered from the beginning of the work to completion is water (collecting agent). As it is possible to completely remove asbestos dust by spraying and collecting it, it can not only prevent leakage of asbestos dust into the external environment, but also safely dismantle asbestos-containing building materials installed in buildings such as schools, houses, buildings, etc. Also, it is easy to dismantle after installation, providing excellent workability.

1 is a block diagram showing the overall structure of the spray device for removing asbestos dust according to the present invention.
Figure 2a, Figure 2b is a block diagram of the air generation and water supply means mounted inside the case of the spray device for removing asbestos dust according to the present invention.
Figure 3a, Figure 3b is a block diagram showing the angle adjustment member of the spray device for removing asbestos dust according to the present invention.
Figure 4 is a block diagram showing a spray assembly of the asbestos dust removal apparatus according to the present invention.
Figure 5a, Figure 5b is an operation state for the spray assembly of the asbestos dust removal apparatus according to the present invention.
Figure 6 is a block diagram showing another embodiment of the spray device for removing asbestos dust according to the present invention.
7 is a block diagram showing another embodiment of the spray device for removing asbestos dust according to the present invention.

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

1 of the accompanying drawings is a block diagram showing the overall structure of the asbestos dust removal spray apparatus according to the present invention, Figures 2a, 2b is air mounted inside the case of the asbestos dust removal spray apparatus according to the present invention 3A and 3B are configuration diagrams showing the angle adjustment member of the asbestos dust removal spray apparatus according to the present invention, and FIG. 4 is a view of the asbestos dust removal spray apparatus according to the present invention. It is a block diagram showing the spray assembly.

1 to 4, the spray device for removing asbestos dust according to the present invention according to the present invention includes air generation and water supply means 20; A case 10 assembled with a rectangular parallelepiped having a moving wheel 11 at the bottom; It is installed inside the case 10 and connected to the motor 21 and the air compressor 22 for generating compressed air, and the air conditioner compressor 22 and the air supply hose 23a to receive air and control the pressure to receive air. A control valve 23 for discharging to the outside through a discharge hose 23b, a water tank 24 mounted on one bottom surface inside the case 10, and storing water (collecting agent) therein, and a water tank (24) is connected as a water supply hose (25a) is connected to the water pump (25) for receiving water and discharged to the outside through the water discharge hose (25b), and the water discharge hose (25b) is connected to the water discharge hose (25b) ) An air generation and water supply means (20) consisting of a return hose (26) for returning water that cannot be discharged to the water tank (24); It consists of a water spray means (40) for removing asbestos dust by spraying water into the work place by receiving air and water from the air generation and water supply means (20).

A ventilator 13 for discharging the air inside the case 10 to the outside is mounted on the inner rear surface of the case 10.

The front of the case 10 is provided with a cone box 14 for controlling the operation of the motor 21, the water pump 25 and the ventilator 13, and the control box door 14a can be opened and closed at the front. It is provided.

In addition, on one side of the control box door 14, an opening / closing door 15a is provided to check the inside of the case 10, and on one side of the opening / closing door 15a, a tool box 16 for storing tools is provided, and the front In the tool box door (16a) is provided to open and close.

At this time, the air socket 30 and the water socket 31 to which the air discharge hose 23b and the water discharge hose 25b are connected are provided on the front of the case 10 under the opening / closing door 15a.

The air socket 30 and the water socket 31 are connected to one end of the main air hose 32 and the casting hose 33, and have a "T" shape at the other ends of the main air hose 32 and the casting hose 33. By connecting the connector 34, the branch air hose 35 and the branch water hose 36 are respectively connected, and then a pair of branch air hose 35 and branch water hose 36 are connected to the water spray means 40 To spray water at the proper pressure.

Meanwhile, a hot wire and a timer may be provided in the water tank 24 to use hot water (about 50 ° C).

The water spray means 40 can be stably supported on the floor of the workplace, and the pedestal 41 is made to be adjustable height; A horizontal fixing piece 42 horizontally fastened and fixed to the base 41; Hollow rectangular pillars (43) (44), each fastened and fixed to each side by an angle adjusting member (50) perpendicular to both sides of the horizontal fixing piece (42); An upper vertical box 45 which is communicated to the upper end of the square pillars 43 and 44 and is fixed to be extended; It is mounted inside each of the upper vertical boxes (45) and consists of a spray assembly (60) for spraying water into the work place as air pressure of the air generating and water supply means (20).

The upper vertical box 45 is fixed to the upper end of the rectangular pillar (43) (44), the body 46 is formed with a concave inlet (46a) in communication; It is fastened and fixed to the outside of the body 46, an assembly through hole 47a is formed on the outer surface, and it is composed of a cover body 47 for blocking the body 46.

The angle adjustment member 50 is fixed to the bottom of each of the square pillars 43 and 44, and a horizontal finishing plate 52 having an annular adjustment groove 52a formed at the edge thereof; It consists of an adjustment bolt 54 and a nut 55 that are fastened and fixed vertically to the annular adjustment groove 52a by passing through the horizontal closing piece 52.

The spray assembly 60 is to be connected to the branch air hose 35 and the branch water hose 36 flowing through the inside of the rectangular pillars 43 and 44 and flowing through the inlet 46a of the body 46. A connecting block 73 having an air screw hole 71 and an object hole 72 to which the air connection joint 61 and the water connection joint 62 are fastened is formed, and a square block formed with a nozzle screw hole 74 (70) and; An air inlet hole 80 and a water inlet hole 81 which are respectively formed to communicate between the air screw hole 71, the nozzle screw hole 74 and the object fastening hole 72, and the nozzle screw hole 74; It is detachably fastened to the nozzle screw hole 74 of the square block 70 and consists of a spray nozzle 90 for spraying water to the outside by air.

The spray nozzle 90 is provided with an inner flange 91 and an insertion portion 92 that are closely inserted to maintain a gap in the water inlet hole 81 of the nozzle screw hole 74, and a water jet tip ( 93) is formed, the outer flange 94 having a plurality of air jetting holes 94a inside the water jetting tip 93 is integrally formed, and water having a water jetting hole 95a penetrating into the central region, and An air ejection opening 95; A packing material 96 which is inserted into the insertion portion 92 of the water and air injection port 95 and is in close contact with the inner flange 91 to maintain the water tightness of the water inlet hole 81; Water and the air injection port 95, the outer flange 94 is tightly inserted, the inner circumferential surface is maintained with a water jet tip 93, a triangular air jet guide hole (97a) is formed, the air jet guide hole (97a) ) Is formed spaced apart from the outside, the protective cap 97 is formed with a diffusion groove (97b) in which spray is diffused when spraying water by air; It is made of a fastening bolt 98 that is screwed to the nozzle screw hole 74 and stably supports the water and air jet opening 95 and the protective cap 97.

At this time, the protective cap 97 and the fastening bolt 98 are exposed to the outside through the assembly through hole 47a formed through the cover body 47 of the upper vertical box 45 to spray water.

On the other hand, the contents shown in FIG. 6 shows another embodiment of the spray device for removing asbestos dust according to the present invention shown in FIGS. 1 to 5, which is a support 41 constituting the water spraying means 40 ) The low-speed motor (100) is mounted on the top, and the horizontal fixed piece (42) is mounted on the motor shaft (101) of the low-speed motor (100), and the square columns (43) (44) fixed on both sides at the top are rotated at low speed. As it rotates,

Through the spray nozzle 90 of the spray assembly 60 mounted on the upper part of the square pillars 43 and 44, the air is evenly sprayed into the work place by the air pressure of the air generating and water supply means 20.

At this time, the air screw hole 71 and water of the square block 70 that flows through the rectangular hollow square pillars 43 and 44 and constitutes the spray assembly 60 mounted inside the upper vertical box 45. The branch air hose 35 and the branch water hose 36 connected to the air connection joint 61 and the water connection joint 62 that are fastened to the fastening hole 72 are configured not to be twisted.

The operation state for the spray device for removing asbestos dust according to the present invention configured as described above will be described.

First, in the building where the building materials are installed (ceiling, etc.), an area to dismantle asbestos-containing building materials is set, and then a double barrier film with a vinyl sheet is used to block (isolate) the floor and space (wall) of the dismantling area. It is installed and blocked (installation of a nursing facility).

Next, as shown in FIG. 1, the base 41 constituting the water spraying means 40 is stably placed on the bottom of the dismantling zone, and then the angle adjusting member 50 is operated to adjust the spray angle of the spray assembly 60. Is done.

That is, after loosening the fastening force of the nut 55 from the adjustment bolt 54 constituting the angle adjustment member 50, as shown in FIGS. 2A and 2B, then the square pillar fixed to the top of the horizontal finish plate 52 ( 43) When the (44) is moved to the desired position, the annular adjustment groove (52a) of the horizontal finish plate 52 rotates around the adjustment bolt 54, and as the square pillars (43) (44) rotate, , The spraying nozzle 90 of the spray assembly 60 mounted inside the upper vertical box 45 which is extended and fixed to the upper portion of the square pillars 43 and 44 is adjusted to the working position angle.

In this state, by operating the operation button of the control box 14 provided on the front of the case 10 in which the air generation and water supply means 20 is mounted therein, the air generation and water supply means 20 is operated to operate at an appropriate pressure. The air and water of will be supplied to the water spray means (40).

That is, the air generated by the operation of the air compressor 22 by the operation of the motor 21 is supplied into the control valve 23 through the air supply hose 23a to control the pressure, and the pressure-controlled air is It is discharged to the air socket 30 through the discharge hose 23b. (See FIG. 2A)

At the same time, the water pump 25 is operated so that the water (collection agent) inside the water tank 24 is supplied to the water pump 25 through the water supply hose 25a, and the supplied water is the water discharge hose 25b. It is discharged to the water socket 31 through. At this time, about 1/3 of the water is discharged through the water discharge hose 25b, and the remaining 1/3 is returned to the water tank 24 through the return hose 26, so that the minimum amount of water is discharged. ( See Figure 2b)

Thereafter, air and water discharged to the air socket 30 and the water socket 31 are connected to the other ends of the main air hose 32 and the casting hose 33 connected to the air socket 30 and the water socket 31, respectively. It is supplied to the water spraying means 40 through a pair of branch air hoses 35 and branch water hoses 36 coupled to (34) and sprayed at an appropriate pressure.

If the operation of the water spraying means 40 is schematically described, as shown in FIG. 4, the spray assembly 60 which is mounted inside the upper vertical box 45 above the square pillars 43 and 44 is configured. Water is supplied at an appropriate pressure through the branch hose 36 of the water connection joint 62 coupled to the object hole 72 of the square block 70, the object hole 72, the nozzle screw hole 74 ) Through the water ejection hole (95a) of the water and the air injection port (95) inserted tightly so that the gap is maintained in each of the water inlet hole (81) formed in communication between the diffusion groove (97b) of the protective cap (97) It is ejected to the outside through (see Fig. 5a).

At the same time, the air connection joint coupled to the air screw hole 71 of the square block 70 constituting the spray assembly 60 mounted inside the upper vertical box 45 above the square pillars 43 and 44 ( Air is supplied at an appropriate pressure through the branch air hose 35 of 61), and the nozzle screw hole through the air inlet hole 80 which is respectively formed to communicate between the air screw hole 71 and the nozzle screw hole 74 The protective cap between the water jet tip 93 of the water and the air jet port 95 passes through the air jet hole 94a formed in the outer flange 94 of the water and air jet port 95 through the 74. As it is ejected to the outside through the air ejection guide hole 97a of 97), it is first diffused through the diffusion groove 97b of the protective cap 97 by pushing out the ejected water at an appropriate pressure to the outside in a fog state. It is sprayed (see Figure 5b).

At this time, since the scattered fine water droplets have opposite charges to the scattered asbestos, the scattered asbestos is easily collected and dropped in the fine water droplets of 20 ~ 40㎛ size, and is constantly scattered inside the workshop in the process of dismantling the building materials. Asbestos dust can be completely removed in real time, and while dismantling, the spraying device for removing asbestos dust is continuously operated, workers wear protective personal safety equipment and work, and when dismantling of building materials, etc. is finished, dismantle After collecting the water completely, completely cleaning the inside with a vacuum cleaner, etc., and measuring the air concentration inside the dismantling area to ensure stability and complete the work.

 Meanwhile, as shown in FIG. 6, another embodiment of the spray device for removing asbestos dust according to the present invention is illustrated, and an operation state thereof will be schematically described.

The low-speed motor (100) is mounted on the upper part of the support (41) constituting the water spraying means (40), and the horizontal fixing piece (42) is mounted on the upper part of the motor shaft (101) of the low-speed motor (100) to fix it on both sides. As the square pillars 43 and 44 are rotated at a low speed, air generation and water supply means 20 are provided through the spray nozzle 90 of the spray assembly 60 mounted on the square pillars 43 and 44. ) To spray the water evenly into the work area.

In addition, as shown in FIG. 7, a spray device for removing asbestos dust is hung downwards to spray water in the air as a clamp 210 made to allow adjustment of the gap to the square pipe 200 of the ceiling used during construction during construction. It becomes possible.

In addition, as a clamp 210 made to control the gap on the square pipe 200 of the ceiling used during construction during construction, a spraying device for removing asbestos dust is installed upwards inside the ceiling, and water is sprayed from the interior of the ceiling. Can dismantle

The spray device for removing asbestos dust according to the present invention described above is not limited to the above-described embodiments, and has ordinary knowledge in the field to which the present invention pertains without departing from the gist of the present invention claimed in the following claims. Anyone who grows up will have the technical idea to the extent that various changes can be implemented.

10: case 20: air generation and water supply means
35: branch air hose 36: branch water hose
40: water spray means 41: support
42: horizontal fixed piece 43,44: square pillar
45: upper vertical box 46: body
46a: Inlet 47: Cover body
47a: assembly through 50: angle adjustment member
52: horizontal finish plate 52a: annular adjustment groove
54: adjusting bolt 55: nut
60: spray assembly 61: air connection joint
62: water connection joint 70: square block
71: Air screw hole 72: Object construction
73: connecting protrusion 74: nozzle injection hole
80: air inlet 81: water inlet
90: spray nozzle 91: inner flange
92: inserting portion 93: water jet tip
94: outer flange 94a: air blowing hole
95: water and air injection port 95a: water spray hole
96: packing material 97: protective cap
97a: Air blowing guide 97b: Diffusion groove
97: protective cap 98: fastening bolt
100: low speed motor 101: motor shaft

Claims (6)

A case 10; It is installed inside the case 10 and connected to the motor 21 and the air compressor 22 for generating compressed air, and the air conditioner compressor 22 and the air supply hose 23a to receive air and control the pressure to receive air. A control valve 23 for discharging to the outside through a discharge hose 23b, a water tank 24 mounted on one bottom surface inside the case 10 and storing water, a water tank 24 and water supply It is connected as a hose (25a) to receive water and discharged to the outside through the water discharge hose (25b) and the water discharge hose (25b) is connected to the water discharge hose (25b) is not discharged An air generation and water supply means (20) consisting of a return hose (26) for returning water to the water tank (24); In the spray device for removing asbestos dust consisting of water spray means (40) for removing asbestos dust by spraying water to the workplace receiving air and water from the air generation and water supply means (20),
The water spray means 40
A support 41 that can be stably supported on the floor of the workplace and is made to be adjustable in height;
A horizontal fixing piece 42 horizontally fastened and fixed to the upper part of the pedestal 41;
Hollow rectangular pillars (43) (44) respectively fastened and fixed to each angle by an angle adjusting member (50) perpendicular to both sides of the horizontal fixing piece (42);
The rectangular pillar (43) (44) is fixed to the upper end, the body 46 is formed with a concave inlet (46a) to be communicated, fastened and fixed to the outside of the body 46 and the assembly through hole (47a) is formed on the outer surface, An upper vertical box 45 made of a cover body 47 for blocking the body 46;
Spray device for removing asbestos dust, characterized in that it is installed inside each of the upper vertical boxes (45) and consists of a spray assembly (60) for spraying water into the workplace as the air pressure of the air generating and water supply means (20). . delete According to claim 1, wherein the angle adjustment member 50
A horizontal finishing plate 52 fixed to the lower ends of the square pillars 43 and 44, and having an annular adjusting groove 52a formed at an edge thereof;
Spray device for removing asbestos dust, characterized in that it consists of an adjustment bolt 54 and a nut (55) fixed to the annular adjustment groove (52a) vertically passed through the horizontal closing piece (52). According to claim 1, The spray assembly 60 is
The air connection joint 61 passes through the inside of the square pillars 43 and 44 and connects the branch air hose 35 and the branch water hose 36 flowing through the recess 46a of the body 46. And the water connection joint 62 is connected to the air screw hole 71 and the object protrusion 72 having a connection protrusion 73 is formed, the nozzle screw hole 74 is formed a square block 70;
An air inlet hole 80 and a water inlet hole 81 which are respectively formed to communicate between the air screw hole 71, the nozzle screw hole 74, the object fastening hole 72 and the nozzle screw hole 74;
A spray device for removing asbestos dust, characterized in that it consists of a spray nozzle (90) for spraying water to the outside by being detachably fastened to the nozzle screw hole (74) of the square block (70). According to claim 4, The spray nozzle (90)
An inner flange 91 and an insertion portion 92 that are closely inserted to maintain a gap in the water inlet hole 81 of the nozzle screw hole 74 are formed, and a water jet tip 93 is formed at the outer end, The outer flange 94 having a plurality of air jetting holes 94a is formed integrally inside the water jetting tip 93, and the water and air jetting port 95 formed through the water jetting hole 95a into the central region. ;
A packing material 96 which is inserted into the insertion portion 92 of the water and air injection port 95 and is in close contact with the inner flange 91 to maintain the water tightness of the water inlet hole 81;
The water and the air injection port 95 is closely inserted into the outer flange 94, and the inner circumferential surface maintains a gap with the water ejection tip 93, thereby forming a triangular air ejection guide hole 97a, and an air ejection guide hole ( A protective cap 97 formed at a distance outward of 97a) and having a diffusion groove 97b in which spray is diffused when spraying water by air;
A spray device for removing asbestos dust, characterized in that it comprises a fastening bolt (98) that is screwed to the nozzle screw hole (74) to stably support the water and air jet openings (95) and the protective cap (97). The method according to claim 1, wherein the base 41 is mounted on the low-speed motor 100, the motor shaft 101 of the low-speed motor 100 is mounted on the horizontal fixing piece 42 is fixed to both sides of the upper square A spray device for removing asbestos dust, characterized in that the column (43) (44) and the square column (43) (44) are configured to rotate the spray assembly (60) on top to spray the water evenly into the workplace.

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