KR20200001295A - A spray device for removing asbestos dust - Google Patents

Abstract

The present invention relates to a spraying device for removing asbestos dust. According to the present invention, the spraying device for removing asbestos dust installs a water spraying means vertically in a workplace after adjusting a spraying angle when dismantling asbestos-containing building materials, and captures asbestos dust scattering by spraying water (collection agent) from the beginning to the completion of the work. Therefore, the asbestos dust can be completely removed to prevent the asbestos dust from being leaked to the outside. In addition, asbestos-containing building materials installed in a building such as a school, a house and a building can be dismantled safely and easily, thereby having excellent workability.

Description

A spray device for removing asbestos dust

The present invention relates to a spray device for removing asbestos dust, and more particularly, to contaminate the surrounding environment and harmful elements of the work environment due to scattering of asbestos dust during dismantling of building materials containing asbestos installed in buildings such as schools, houses, and buildings. It is configured to be removed.

In general, asbestos is a building material with excellent mechanical strength, excellent incombustibility, insulation, durability, insulation, and thermal insulation. It is used in various industries such as fireproof, fireproof, insulation, insulation, roofing (slate), and electrical insulation. It has been widely used for a long time.

However, when asbestos dust is inhaled through the respiratory organs for a long time, asbestos is known to be harmful to the human body, such as asbestosis (pulmonary necrosis), lung cancer, and malignant mesothelioma. As the regulations on the use of asbestos have been announced in earnest, the use of foamed asbestos is no longer used in buildings.However, asbestos-containing building materials that have been constructed in public structures such as subways, schools, houses, buildings, etc. There is a need to dismantle these asbestos-containing building materials due to spills and scattering problems.

As such, asbestos is very harmful to the human body, so even if the asbestos-containing building material is dismantled, asbestos is contaminated by dust scattering, causing secondary pollution, or worsening the work environment of the workplace, thereby causing asbestos to be damaged. In the process of dismantling the building materials, asbestos is strictly regulated. Prior arts related to the dismantling work of asbestos-containing buildings are disclosed in Korean Laid-Open Patent Publication No. 10-2004-0006204 and Korean Laid-open Patent Publication No. 10-2009-0104225. A method of removing asbestos while spraying and using an exhaust system is disclosed. Korean Unexamined Patent Publication No. 10-2009-0076082 discloses a method of spraying asbestos with high permeability and then removing asbestos. In order to isolate the work area and the external environment and to prevent asbestos scattering, these prior arts mainly use the application of a humectant to the asbestos area, but by the application of the humectant, asbestos is constantly scattered in the process of dismantling. There was a defect that could not completely remove dust.

In addition, Korean Laid-Open Patent Publication No. 10-2009-0123446 discloses a removal equipment for removing asbestos while strongly spraying water on a subway ceiling using a waterjet, which accumulates asbestos dust accumulated in subway ceilings and cables. Since it is mainly a technology for washing, it cannot be applied to the dismantling work of building materials.

In addition, in Korea Patent No. 10-1023753, the main technology is to spray the water in the work zone to isolate the work zone and the external environment and to prevent the asbestos dust from scattering, but this is sprayed water (collecting agent) to the ceiling Multiple spray nozzles are installed in a number of collector supply lines, which occupy a lot of space according to the installation, so installation and dismantling work are not easy.

The present invention has been proposed to solve such a conventional problem, an object of the present invention is to provide a water spraying means for removing asbestos dust scattered during dismantling of the building material containing asbestos in the workplace to contaminate and work around the workplace It is to provide a spray device for asbestos dust removal that is configured to completely remove the harmful elements of the environment.

Problem solving means for achieving the above object is a case; Motor and air compressor installed inside the case to connect compressed air, control valve for controlling the pressure by supplying air by connecting with air conditioner and air supply hose, and discharging to outside through air discharge hose, inside case A water tank mounted on one side and connected to the water tank and the water supply hose, the water pump receives water and discharges it to the outside through the water discharge hose, and the water discharge hose connected to the water discharge hose Air generation and water supply means consisting of a return hose for returning the water not discharged through the water tank; In the asbestos dust removal spraying device composed of water spray means for removing asbestos dust by spraying water to the workplace by receiving air and water from the air generation and water supply means, the water spray means can be stably supported on the floor of the workplace A pedestal configured to allow height adjustment; A horizontal fixing piece fastened and fixed horizontally to the upper portion of the pedestal; Hollow rectangular pillars each fastened and fixed by an angle adjusting member perpendicularly to both sides of the horizontal fixing piece; An upper vertical box communicating with an upper portion of the square pillar and fixed to be extended; Each of the upper vertical box is installed in the spray assembly for spraying water to the workplace by the pressure of the air generated and the air supply means of water.

According to the present invention, assembling asbestos dust scattered from the beginning to the end of work by installing water spraying means vertically at the workplace while adjusting the spraying angle at the time of dismantling the building material containing asbestos, water (collecting agent) By spraying and collecting the asbestos dust, the asbestos dust can be completely removed, which can improve the prevention of asbestos dust leakage to the outside environment, and can safely disassemble asbestos-containing building materials installed in buildings such as schools, houses, and buildings. In addition, it is easy to dismantle after installation, thus 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 adjusting 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 spray device for removing asbestos dust according to the present invention.
Figure 5a, Figure 5b is an operating state of the spray assembly of the spray device for removing asbestos dust 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.
Figure 7 is a block diagram showing another embodiment of the spray device for removing asbestos dust according to the present invention.

Hereinafter, exemplary 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 spray device for removing asbestos dust according to the present invention, Figure 2a, Figure 2b is air mounted inside the case of the spray device for removing asbestos dust according to the present invention 3a, 3b is a configuration diagram showing an angle adjusting member of the asbestos dust removal spray apparatus according to the present invention, Figure 4 is a spray device for removing asbestos dust according to the present invention It is a block diagram which shows the spray assembly.

As shown in Figures 1 to 4, the spray device for removing asbestos dust according to the present invention according to the present invention comprises air generation and water supply means 20; A case 10 assembled with a rectangular parallelepiped having a moving wheel 11 at a lower portion thereof; Mounted inside the case 10 and connected to the motor 21 and the air compressor 22 for generating compressed air, the air conditioner 22 and the air supply hose 23a is supplied with air to control the air pressure A control valve 23 for discharging to the outside through the discharge hose 23b, a water tank 24 mounted on one bottom surface of the case 10, and storing water (collecting agent) therein, and a water tank A water pump 25 connected with the water supply hose 25a to discharge water to the outside through the water discharge hose 25b and a water discharge hose 25b connected to the water discharge hose 25b Air generation and water supply means 20 consisting of a return hose 26 for returning the water that can not be discharged through the water tank 24; Air and water is supplied from the air supply means 20 and water spray means for spraying water to the workplace to remove asbestos dust 40 is composed of.

The inner rear of the case 10 is equipped with a fan 13 for discharging the air inside the case 10 to the outside.

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

In addition, one side of the control box door 14 is provided with an opening / closing door 15a to check the inside of the case 10, and one side of the opening / closing door 15a is provided with a tool box 16 for storing a tool. The tool box door 16a is provided to be opened and closed.

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 at the front of the case 10 under the opening / closing door 15a.

One end of the main air hose 32 and the casting hose 33 is connected to the air socket 30 and the water socket 31, and the letter “T” is formed at the other end of the main air hose 32 and the casting hose 33. By coupling the connector 34, respectively connecting the branch air hose 35 and the branch hose 36, and then connecting the pair of branch air hose 35 and the branch hose 36 to the water spray means 40 Water is sprayed at an appropriate pressure.

On the other hand, the water tank 24 may be provided with a heating wire and a timer to use hot water (about 50 ℃).

The water spraying means 40 can be stably supported on the floor of the workplace, and the pedestal 41 is made so that the height can be adjusted; A horizontal fixing piece 42 which is fastened and fixed horizontally on an upper portion of the pedestal 41; Hollow square pillars 43 and 44 fastened and fixed respectively by an angle adjusting member 50 perpendicular to both sides of the horizontal fixing piece 42; An upper vertical box 45 communicating with an upper portion of the square pillars 43 and 44 and fixed to be extended; Mounted inside the upper vertical box 45, respectively, consists of a spray assembly 60 for spraying water to the workplace by the pressure of the air of the air generation and the water supply means 20.

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

The angle adjusting member 50 is fixed to the lower end of the square pillar (43) 44, respectively, the horizontal finishing plate 52 formed with an annular adjustment groove (52a) at the edge; Passing through the horizontal fixing piece 52 consists of a control bolt 54 and the nut 55 is fastened and fixed perpendicularly to the annular control groove (52a).

The spray assembly 60 is connected to the branch air hose 35 and the branch hose 36 flowing through the inside of the square pillars 43 and 44 and introduced through the concave portion 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 having a nozzle screw hole 74 formed therein. 70 and; An air inlet hole 80 and a water inlet hole 81 respectively formed in communication with the air screw hole 71, the nozzle screw hole 74 and the object binding hole 72, and the nozzle screw hole 74; It is detachably fastened to the nozzle screw hole 74 of the square block 70 is made of a spray nozzle 90 for spraying water to the outside by air.

The spray nozzle 90 has an inner flange 91 and an inserting portion 92 which are tightly inserted so as to maintain a spacing in the water inlet hole 81 of the nozzle screw hole 74, and a water jet tip at the outer end thereof. 93 is formed, the outer flange 94 having a plurality of air ejection holes (94a) is formed integrally inside the water jet tip (93), the water is formed through the water jet hole (95a) through the central region and An air injection port 95; A packing material 96 inserted into the insertion portion 92 of the water and air injection port 95 and in close contact with the inner flange 91 to maintain the watertightness of the water inflow hole 81; It is inserted into the outer flange 94 of the water and air spray ball 95, the inner circumferential surface is maintained while the spacing tip 93 and the triangular air ejection guide hole (97a) is formed, the air ejection guide hole ( A protective cap (97) formed at intervals outward of the 97a) and having a diffusion groove (97b) formed therein for spraying water by air; Screwed to the nozzle screw hole (74) consists of a fastening bolt 98 for stably supporting the water and air injection port (95) and the protective cap (97).

At this time, the protective cap 97 and the fastening bolt 98 is exposed to the outside through the assembly through-hole (47a) formed through the cover body 47 of the upper vertical box 45 is sprayed with water.

On the other hand, the contents shown in Figure 6, showing another embodiment of the asbestos dust removal spray apparatus according to the invention shown in Figures 1 to 5, which is a pedestal 41 constituting the water spray means 40 The low-speed motor 100 is mounted on the upper part, and the horizontal fixing pieces 42 are mounted on the motor shaft 101 upper part of the low-speed motor 100 so that the square pillars 43 and 44 fixed to the upper both sides at low speed. As it rotates,

Through the spray nozzle 90 of the spray assembly 60 mounted on the quadrangles 43 and 44, the air is generated and the water is sprayed evenly to the workplace by the air pressure of the water supply means 20.

At this time, the air screw hole 71 and the water of the square block 70, which is introduced through the rectangular hollow (43) 44, constituting 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 fastened to the fastening hole 72 are configured not to be twisted.

The operating state of the spray device for asbestos dust removal according to the present invention configured as described above will be described.

First, set the area to dismantle the asbestos-containing building material in the building (ceiling, etc.) where the building material is constructed, and then use a double barrier film with vinyl sheet to block (isolate) the floor and space (wall) of the decommissioning area from the outside. It will be blocked by installing it.

Next, as shown in FIG. 1, the base 41 of the water spraying means 40 is stably erected 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. Done.

That is, as shown in Figures 2a, 2b loosen the tightening force of the nut 55 from the adjusting bolt 54 constituting the angle adjusting member 50, and then the square column fixed to the top of the horizontal finish plate 52 ( 43) When the 44 is moved to a desired position, the annular adjustment groove 52a of the horizontal finishing plate 52 is rotated about the adjustment bolt 54, so that the square pillars 43 and 44 rotate. , The spray nozzles 90 of the spray assembly 60 mounted inside the upper vertical box 45 that are extended and fixed on the square pillars 43 and 44 are angled to the working position.

In such a state, the air is generated and the water supply means 20 is operated by operating the operation button of the control box 14 provided on the front of the case 10 in which the air is generated and the water supply means 20 to operate the appropriate pressure. The air and water to be supplied to the water spray means (40).

That is, the air generated by operating 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 air whose pressure is controlled is air. 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 (collecting agent) inside the water tank 24 is supplied to the water pump 25 through the water supply hose 25a, and the supplied water is supplied to 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, and the minimum amount of water is discharged. See Figure 2b)

Thereafter, the 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 hoses 36 coupled to 34 and sprayed at an appropriate pressure.

Referring to the operation of the water spraying means 40 schematically, as shown in Figure 4, forming a spray assembly 60 mounted inside the upper vertical box 45 on the top of the square pillar (43, 44) 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, and the object hole 72 and the nozzle screw hole 74. The diffusion groove 97b of the protective cap 97 through the water injection hole 95a of the water and air injection port 95 inserted in close contact with the water inlet hole 81 formed in communication with each other) It is ejected to the outside through (see Fig. 5a).

At the same time, an 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 on the upper sides of 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 is formed through the air inlet hole 80 which is formed to communicate between the air screw hole 71 and the nozzle screw hole 74, respectively. Passing through the 74 and passing through the air jet hole (94a) formed in the outer flange 94 of the water and the air jet port 95, the protective cap between the water jet tip 93 of the water and air jet port (95) As the air is ejected to the outside through the air ejection guide hole 97a of 97, the water being ejected first is pushed out to an appropriate pressure, thereby spreading through the diffusion groove 97b of the protective cap 97 and into a fog state to the outside. Sprayed (see FIG. 5B).

At this time, since the fine water droplets are charged opposite to the asbestos, the asbestos is easily collected and dropped in the 20 ~ 40㎛ sized water droplets, which constantly scatters inside the workshop during the dismantling work of the building materials. Asbestos dust can be completely removed in real time, and asbestos dust removal spraying equipment is continuously operated during dismantling work, worker wears protective personal safety equipment and works after dismantling of building materials, etc. Collect the water completely, clean the inside completely with a vacuum cleaner, etc., and measure the air concentration inside the dismantling area to ensure stability and complete the work.

 On the other hand, as shown in Figure 6 another embodiment of the spray device for removing asbestos dust according to the present invention, the operation state thereof will be described schematically.

The low-speed motor 100 is mounted on an upper portion of the pedestal 41 constituting the water spraying means 40, and the horizontal fixing piece 42 is mounted on the upper portion of the motor shaft 101 of the low-speed motor 100 and fixed to both sides of the upper portion. As the square pillars 43 and 44 are rotated at a low speed, air is generated and water supply means 20 through the spray nozzles 90 of the spray assembly 60 mounted on the square pillars 43 and 44. The air pressure in) will spray water evenly into the work area.

In addition, as a clamp 210 made to be able to adjust the spacing in the square pipe 200 of the ceiling used in the construction and construction as shown in Figure 7 to hang the downward asbestos dust removal sprayer to spray water from the air It becomes possible.

In addition, as a clamp 210 made to be able to adjust the spacing in the square pipe 200 of the ceiling used during the construction of the building material is installed as a spray device for removing asbestos dust upwards in the ceiling, and spraying water from the interior of the building material Can be dismantled.

Asbestos dust removal apparatus according to the present invention described above is not limited to the above-described embodiment, without having to leave the gist of the present invention claimed in the claims below Anyone can say that the technical idea is to the extent that various changes can be made.

10 case 20 air generation and water supply means
35: branch air hose 36: branch water hose
40: water spray means 41: pedestal
42: horizontal fixation 43,44: square pillar
45: upper vertical box 46: the body
46a: inlet 47: cover body
47a: assembly hole 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 72: object finished
73: connecting protrusion 74: nozzle spray hole
80: air inlet 81: water inlet
90: spray nozzle 91: inner flange
92: insertion portion 93: water jet tip
94: outer flange 94a: air blowing hole
95: water and air injection port 95a: water sprayer
96: packing material 97: protective cap
97a: Air Jet Guide 97b: Diffusion Groove
97: protective cap 98: fastening bolt
100: low speed motor 101: motor shaft

Claims (6)

A case 10; Mounted inside the case 10 and connected to the motor 21 and the air compressor 22 for generating compressed air, the air conditioner 22 and the air supply hose 23a is supplied with air to control the air pressure A control valve 23 for discharging to the outside through the discharge hose 23b, a water tank 24 mounted on one bottom surface of the case 10, and storing water, a water tank 24, and water supply The water pump 25 connected to the hose 25a to receive water and discharged to the outside through the water discharge hose 25b and the water discharge hose 25b are not connected to the water discharge hose 25b to prevent discharge. 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 asbestos dust removal 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 pedestal 41 which can be stably supported on the floor of the workplace and can be adjusted in height;
A horizontal fixing piece (42) fastened and fixed horizontally on an upper portion of the pedestal (41);
Hollow rectangular columns (43) (44) fastened and fixed respectively by an angle adjusting member (50) perpendicular to both sides of the horizontal fixing piece (42);
An upper vertical box 45 communicating with an upper portion of the square pillars 43 and 44 and fixed to be extended;
Spray device for asbestos dust removal, characterized in that it is mounted in each of the upper vertical box (45) is composed of a spray assembly (60) for spraying water to the workplace by the pressure of the air generated and the air of the water supply means 20 . The method of claim 1, wherein the upper vertical box 45
A body 46 fixed to an upper end of the square pillars 43 and 44 and having a concave inlet portion 46a in communication therewith;
Asbestos dust removal spraying device, characterized in that consisting of a cover body 47 for fastening and fixing the outer side of the body 46 and the assembly through-hole (47a) is formed on the outer surface to block the body (46). According to claim 1, wherein the angle adjustment member 50
Horizontal finishing plates 52 fixed to the lower ends of the square pillars 43 and 44, respectively, and having an annular adjustment groove 52a formed at an edge thereof;
Spraying device for asbestos dust removal, characterized in that consisting of the adjustment bolt 54 and the nut 55 is fastened vertically fixed to the annular control groove (52a) through the horizontal fixing piece (52). The method of claim 1, wherein the spray assembly 60
The air connection joint 61 is connected to the branch air hose 35 and the branch hose 36 which flow through the inside of the square pillars 43 and 44 and are introduced through the concave inlet portion 46a of the body 46. And a square block 70 having an air screw hole 71 to which the water connection joint 62 is fastened and a connection protrusion 73 having an object fastening hole 72 and a nozzle screw hole 74 formed therein;
An air inlet hole (80) and a water inlet hole (81) formed in communication with the air screw hole (71), the nozzle screw hole (74) and the object binding hole (72), respectively;
Spraying device for asbestos dust removal, characterized in that consisting of a spray nozzle 90 is detachably fastened to the nozzle screw hole 74 of the square block 70 for spraying water to the outside by air. The method of claim 4, wherein the spray nozzle (90)
An inner flange 91 and an inserting portion 92 are formed to be tightly inserted into the water inlet hole 81 of the nozzle screw hole 74, and a water jet tip 93 is formed at an outer end thereof. An outer flange 94 having a plurality of air ejection holes 94a is formed integrally with the water ejection tip 93, and water and air ejection openings 95 through which the water ejection holes 95a penetrate into the central region are formed. ;
A packing material 96 inserted into the insertion portion 92 of the water and air injection port 95 and in close contact with the inner flange 91 to maintain the watertightness of the water inlet hole 81;
The water and air sprayer 95 is inserted in close contact with the outer flange 94, while the inner circumferential surface is maintained with the water jet tip 93, a triangular air jet guide hole (97a) is formed, the air jet guide hole A protective cap (97) formed at intervals outward of (97a), and having a diffusion groove (97b) formed therein for spraying water by air;
Spraying device for asbestos dust removal, characterized in that the screw is fastened to the nozzle screw (74) consisting of a fastening bolt (98) for stably supporting the water and air injection port (95) and the protective cap (97). According to claim 1, wherein the low-speed motor 100 is mounted on the upper portion of the pedestal 41, the horizontal fixing piece 42 is mounted on the motor shaft 101 of the low-speed motor 100 by fixing a square on both sides of the upper Spraying device for asbestos dust removal, characterized in that configured to spray water evenly to the workplace by rotating the spray assembly (60) on the top of the column (43) (44) and the square column (43) (44).

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