KR101793420B1 - A low pressure jet/wide angle fog spray system - Google Patents

Abstract

Provided is a low-pressure spray apparatus of a local/wide area jetting type, which reduces environmental pollution and air pollution around indoor coal shed and silo by spraying water to the coal shed and silo to prevent dust from being scattered in the indoor coal shed and silo. The low-pressure spray apparatus of a local/wide area jetting type comprises: a body formed of a hollow tube; a fixing bracket positioning the body at a predetermined height with respect to the floor and fixing the body to be able to axially rotate on a rotation shaft; a blower provided inside the body and configured to be driven by a control means which receives power from a power supply unit to perform control, receives air from a rear end of the body, and blows the air to a front end; a spray means provided on the inside of the front end of the body and configured to receive water from the outside and spray the water; a rotating means configured to be driven by the control means to rotate the rotation shaft of the body.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a low pressure direct /

Disclosure of Invention Technical Problem [8] As a result of the scattering of coal into dust and dry internal environment during coal transfer and low-carbon operation in an indoor coal storage and a storage tank (coal shed & silo), deterioration of working conditions, increase in fire risk, The present invention relates to a water spraying apparatus for spraying an appropriate amount of water in accordance with working and storage environment conditions of a local area in order to prevent air pollution caused by dust accumulation and scattering. More particularly, Coal Shed & Silo) is sprayed in low-pressure jet form to efficiently capture fine coal dust, and in particular, to adjust the angle of the spray nozzle to spray, Designed to maximize water spraying efficiency by direct spraying at long distances or by spraying on a wide, low-carbon surface. Pressure direct / wide-area spraying apparatus.

In order to solve the problem of air pollution such as fine dust and coal dust, coal is stored in an indoor coal storage and a storage tank (coal shed & silo). However, Is becoming popular. Problems arise when coal is stored indoors. Transfer and storage of coal in an enclosed space are poorer than in the open. Furthermore, there is always a risk of fire inside dry coal, and serious air pollution is expected if coal fly ash dusts out.

Accordingly, in order to prevent scattering of dust such as coal dust and to prevent the occurrence of fire by lowering the circulating temperature of the air, a sprinkling device is installed inside the coal storage and storage tank (coal shed & silo) Thereby solving the above problems.

As disclosed in Korean Utility Model Application No. 20-1998-0008816 (titled, "Sprinkler for preventing scattering of particulate matter / May, 1998.05.26"), which is one of such water spraying apparatuses, water supplied through a water supply pipe A water pipe and a hollow cylindrical connection pipe vertically connected through an automatic valve for opening and closing and having an upper jaw at the upper end of the pipe ring, A ring member having an upper jaw and a buffer member on the outer circumferential surface of each of the upper and lower rings, and a plurality of ring-shaped lower jaws arranged on the lower outer circumferential surface of each of the ring members, First, second and third sliding pipes of hollow cylindrical shape continuously connected with a telescopic type with different inner diameters, and a second sliding pipe which is rotatable through upper and lower packing members and a bearing member on the upper end of the third sliding pipe And a plurality of spray holes formed in an upper surface closed to communicate with the screw pipe and having a spray tube mounted thereon and having a spiral flow path formed therein, A water spray device is disclosed.

In addition, as disclosed in Korean Patent Application No. 10-2012-0087622 (name: sprinkler for preventing low-fugitive dust emission / Sep. 20, 2010), a base frame fixed to a low- A spray angle adjusting unit installed between the base frame and the spray head to adjust an spray angle of the spray head, The water spraying head includes a head housing, a plurality of nozzles provided in front of the head housing, and a water supply unit installed at the rear of the head housing to blow off water sprayed from the nozzle, An air blowing unit for preventing air from being supplied to the nozzle from the blowing unit installed in the inside of the head housing Has a spray device including a guide member is described.

On the other hand, as disclosed in Korean Patent Application No. 10-2012-0087624 (name: low-lean sprinkler control system and control method thereof / 2012.08.10.), One or more of low- An anemometer for measuring the wind speed of the low turbidity and one or more turbines installed in the low turbidity for measuring the temperature and humidity of the low turbidity and at least one turbidity sensor installed in the low turbidity and low turbidity, And a water spray device for spraying water toward the low-emission side, and a wind speed measurement value, a wind speed measurement value, a non-mass flow rate measurement value, a temperature and humidity measurement value, And a control unit for operating the water spraying apparatus if the water spraying apparatus is above a set value, wherein the water spraying apparatus comprises a spraying head for spraying water, Is a sprinkler control system including a control for adjusting the injection angle, the injection angle of the horizontal rotating unit and a spray head base.

Korean Patent Application No. 10-2015-0032216 (entitled Coal Dust Generation Reduction Device / 2015.03.09.) Discloses a mounting frame provided on a conveyance path of a conveyor belt, as known in the art. A detecting unit installed on the mounting frame and detecting a stacking height of coal to be transferred; A flow rate adjusting unit for adjusting an amount of water injected in conjunction with the detecting unit; And a jetting unit for jetting water connected to the flow rate control unit.

1, Korean Utility Model Application No. 20-1998-0008816 (May 26, 1998). 2, Korean Patent Application No. 10-2012-0087622 (2012.09.10.) 3, Korean Patent Application No. 10-2012-0087624 (Aug. 10, 2012) 4, Korean Patent Application No. 10-2015-0032216 (Feb.

However, the above conventional sprinkling apparatuses have a problem that it is difficult to apply to an indoor storage and a storage tank (Coal Shed & Silo) in order to prevent scattering of fine dust such as an outdoor low-carbon environment.

That is, since a large number of internal mechanical parts and equipment are installed in the indoor storage and the storage tank (coal shed & silo), the large capacity products used in the outdoor low-firing are likely to damage or break internal mechanical parts and equipment, There is a problem that the efficiency to prevent scattering, which is generated intensively at the time of low carbon emission, falls.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a method of spraying water sprayed into a coal shed and a silo in a low- The fine dust can be efficiently collected and the spraying angle of the sprayed water can be adjusted so that the sprayed area can be precisely selected and sprayed according to the low carbon environment so as to maximize spraying efficiency. Type direct / wide-area spraying apparatus.

According to an aspect of the present invention, there is provided a low-pressure direct / light spraying apparatus including a body made of a hollow tube, a body rotatable through a rotation shaft while positioning the body at a predetermined height with respect to the floor, A blower for blowing air to the front end of the body, the blower being driven through a control means provided in the body and controlled by power supplied from a power supply unit, Spraying means for spraying water supplied from the outside and rotating means for rotating the rotating shaft of the body driven by control of the control means, the low-pressure direct / ; The spraying means may include a plurality of water supply means provided in a donut shape on the inner side of the body so as to be supplied with water through a pump driven through the control of the control means at a water supply source, And a spray nozzle coupled to the water supply hole of the water supply pipe and adapted to spray the water supplied to the inside of the water supply pipe to the outside; The rotating means includes a rotating plate fixed to the center of the rotating shaft and a rotating member adapted to rotate the rotating plate by receiving a rotating force of a rotating motor driven through the control of the controlling means to rotate the rotating body ; And a plurality of water supply holes formed in a donut shape inside the body so as to receive water from the water supply source through the pump driven through the control of the control means, And an auxiliary spraying unit having an auxiliary spray nozzle coupled to the water supply hole of the auxiliary water supply pipe and spraying the water supplied to the inside of the auxiliary water supply pipe to the outside.

The atomizing nozzle is sprayed in a direction parallel to a center line connecting the front and rear ends of the body so as to be sprayed while forming an inclination angle in the direction of the center of the body so as to be rotatably engaged with the outer circumferential surface of the water supply pipe So that it can be selectively adjusted.

The low-pressure direct / wide-area spraying apparatus according to the present invention as described above forms a jet air pressure through a blower to spray water sprayed through a spray nozzle into a low-pressure spray, And has an effect of efficiently collecting fine dust.

In addition, the spraying angle of the spray nozzle can be adjusted so that the spraying area is formed in a long distance depending on the low-carbon environment, or spraying is selectively performed with a wide width, thereby maximizing spraying efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic cross-sectional view showing a low-pressure direct / light spraying apparatus according to an embodiment of the present invention. FIG.
2 is a schematic side view showing a low-pressure direct / light spraying apparatus according to the present embodiment.
Figs. 3 to 7 are schematic views showing spraying means constituting the low pressure type direct / light spraying apparatus according to the present embodiment. Fig.
Fig. 8 and Fig. 9 are schematic views showing another example of the atomizing means constituting the low pressure direct / light atomizing device according to the present embodiment. Fig.
10 and 13 are schematic views showing a rotating means constituting a low-pressure direct / light spraying apparatus according to the present embodiment.
FIG. 14 is a schematic view showing the use state of the low pressure direct / light spraying apparatus according to the present embodiment. FIG.
Figs. 15 to 18 are schematic views showing still another example of atomizing means constituting the low pressure direct / light atomizing apparatus according to the present embodiment. Fig.
19 is a schematic view showing a control state of the low-pressure direct / light spraying apparatus according to the present embodiment.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, referring to the accompanying drawings, a low pressure direct / light atomizing apparatus according to a preferred embodiment of the present invention will be described in detail.

The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more fully describe the present invention to those skilled in the art. Therefore, the shapes and the like of the elements in the drawings can be exaggeratedly expressed to emphasize a clearer description. It should be noted that in the drawings, the same members are denoted by the same reference numerals. Detailed descriptions of well-known functions and constructions which may be unnecessarily obscured by the gist of the present invention are omitted.

1 to 15 are diagrams showing a low-pressure direct / light spraying apparatus according to an embodiment of the present invention. The low-pressure direct / light spraying apparatus 1 according to the present embodiment includes a hollow tubular body A fixing bracket 3 for fixing the body 2 at a predetermined height with respect to the floor while axially rotatably fixing the body 2 with a rotary shaft; a power supply unit 100 A blower 300 driven by control means 200 controlled to supply power to the front end of the body 2 and blowing air to the front end of the body 2 through the rear end of the body 2; (5) driven by the control of the control means (200) and adapted to rotate the rotary shaft (21) of the body (2). The spraying means (4) .

That is, the air introduced from the rear end of the body 2 through the blower 300 injects the water sprayed through the spraying means 4 while being jetted to the front end while forming jet air pressure.

As a result, the water is sprayed in the form of a jet of a minute low pressure, so that fine dust can be efficiently collected.

On the other hand, the body 2 is rotated through the rotating means 5 to spray the water while varying the spray angle of the water, thereby spraying the water in a wider range.

At this time, it is preferable that the rotating means 5 rotate the body 2 in the forward and reverse directions.

In the low-pressure direct / light spraying apparatus 1 according to the present embodiment, the spraying means 4 is a spraying means for spraying water (water) through a pump 400 driven by control of the control means 200, A water supply pipe 42 having a plurality of water supply holes 41 formed in a donut shape inside the body 2 and formed with a gap therebetween, And a spray nozzle (43) coupled to the hole (41) for spraying the water supplied to the inside of the water supply pipe (42) to the outside.

That is, the water is sprayed while forming a circular shape on the outside of the range of the air pressure formed by the blower 300.

In the low-pressure direct / light spraying apparatus 1 according to this embodiment, the rotating means 5 includes a rotating plate 51 having the rotating shaft 21 fixed at the center thereof, A rotating member 53 for rotating the body 2 by rotating the rotating plate 51 by receiving the rotational force of the rotating motor 52 driven by the power of the power supply unit 100 through the control of the power supply unit 100, .

That is, the rotary member 53 receives the rotational force generated by the rotary motor 52 and rotates the rotary plate 51 to rotate the body 2.

Preferably, the rotary motor 52 is composed of a forward and reverse motors and seesaw the body 2; The rotary member 53 includes a first gear 54 and a second gear 54 that are gear-engaged with the first gear 54 and are rotatable about the axis of the fixed bracket 3, A second gear 56 fixed to the shaft of the rotary wheel 55 fixed to the center of the rotary wheel 55 and a second gear 56 fixed to the rotary wheel 55 at a position spaced apart from the center of the rotary wheel 55, It is most preferable that the connecting rod 57 is fixed at a position spaced apart from the connecting rod 57 so as to idle.

That is, when the rotary motor 52 rotates in the forward and reverse directions and the forward and reverse rotation forces are alternately formed, the rotary wheel 55 rotates in the forward and reverse directions through the first gear 54 and the second gear 56, And the connecting rod 57 rotates the rotary plate 51 in the forward and reverse directions. As a result, the body 2 performs a seesaw motion.

As a result, the spraying range of the water is maximized.

In the rotation plate 51, a plurality of stop holes 58 having the same radius and formed with an interval are formed; A stop bar (31) having a distal end fixed to the stop holes (58) is fixed to the stationary bracket (3) while being elastically supported. It is preferable that the body 2 is prevented from rotating without any restriction if necessary; As a result, the water can be continuously sprayed to the same position when necessary, and the use efficiency is improved.

The stationary bracket (3) is provided with a fastening box (32) having a stopper hole through which the stopper rod (31) is fitted and guided while its tip is exposed; The fixing barrel 32 is preferably screwed with a fixing screw 33 that is inserted into a groove formed in an outer circumferential surface of the stop bar 31.

That is, the end of the fixing screw 33 is fitted into the groove of the stopper rod 31 to prevent the stopper rod 31 from being separated from the stopper hole 58, The fixed state is firmly maintained.

In the low-pressure direct / light spraying apparatus 1 according to the present embodiment as described above, water is supplied to the supply source of the water through the pump 400 driven through the control of the control means 200, A supplementary water supply pipe 61 having a plurality of water supply holes arranged in a donut shape on the inner side of the body 2 and formed with a gap therebetween, And an auxiliary spraying means (6) having an auxiliary spraying nozzle (62) for spraying the water supplied to the inside of the water supply pipe (61) to the outside.

That is, the auxiliary spraying means (6) spray water at the inside of the spraying means (4), and the spray amount of the water efficiently increases.

In the low-pressure direct / light spraying apparatus 1 according to the present embodiment, the water supply pipe 42 of the spraying means 4 and the water supply pipe 42 of the auxiliary spraying means 6 are provided on the inner surface of the body 2, It is preferable to provide a fixing plate 22 having a '╋' shape to which the auxiliary water pipe 61 is fixed.

The atomizing nozzle 43 is rotatably coupled to the outer circumferential surface of the water supply pipe 42 so as to be sprayed while forming an inclination angle in the direction of the center of the body 2, It is preferable to be able to selectively control spraying in a direction parallel to the center line connecting the center of the rear end.

As a result, the spraying form of the water is selectively selected and sprayed, thereby maximizing the use efficiency.

That is, the spray angle of the spray nozzle 43 can be adjusted so that the spray area is formed at a long distance depending on the low carbon environment, or spraying is selectively performed with a wide width, thereby maximizing spraying efficiency.

In the low-pressure direct / light spraying apparatus 1 according to the present embodiment, the spraying means 4 is a spraying means for spraying the water through the pump 400, which is driven through the control of the control means 200, The water supply pipe 42 having a plurality of water supply holes 41 formed in the shape of a donut at an inner side of the body 2 and spaced apart from the water supply pipe 42, Shaped coupling ring 44 connected to the water supply hole 41 in a direction in which the water supply hole 41 is positioned and a coupling ring 44 connected to the water supply hole 41 to connect the water supply hole 41 to the body 2, (45) coupled to the coupling ring (44) so as to be connected to the water supply hole (41), and the center of the front and rear ends of the body (2) And a parallel spray nozzle (46) adapted to spray in a direction parallel to the connecting center line.

The gap between the inclined spray nozzle 45 and the parallel spray nozzle 46 is set such that the interval between the inclined spray nozzle 45 and the parallel spray nozzles 46 is equal to the distance between the inclined spray nozzle 45 and the parallel spray nozzle 46, As shown in FIG.

Accordingly, the water spray holes 41 are connected to the spray nozzles 45 having the shape of a selected one of the parallel spray nozzles 46, so that the user can selectively adjust the spray pattern of the water .

A circular waterproof ring 47 made of a waterproof material accommodating the water supply hole 41 is provided on a surface of the coupling ring 44 facing the water supply hole 41, It is preferable to prevent the water from leaking at the interval between the engaging rings 44.

The operation and effect of the low-pressure direct / light spraying apparatus 1 according to this embodiment will be described in detail as follows.

In order to prevent scattering of dust by spraying water with low pressure through the low pressure direct / light spraying apparatus 1 according to the present embodiment, And the water supply pipe is connected to the water supply pipe 42 and connected to the pump 400. The water supply pipe is connected to the pump 400 through the control means 200, The water sprayed to the front end of the body 2 is sprayed through the jet stream formed by the blower 300 and the sprayed dust is sprayed to the front end of the body 2, And adsorbed to prevent scattering.

At this time, the body 2 receives the rotational force generated by the driving of the rotation motor 52 controlled by the control unit 200, performs the seesaw motion with a predetermined angle, .

In addition, the spraying angle of the spray nozzle 43 may be adjusted so that the spraying area is formed at a long distance depending on the low-carbon environment, or spraying is selectively performed with a wide width to maximize spraying efficiency.

It will be apparent to those skilled in the art that various modifications and equivalent arrangements may be made therein without departing from the scope of the present invention as defined by the appended claims and their equivalents. . Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

1: Spraying device 2: Body
21: rotating shaft 22:
3: Fixing bracket 31: Stop bar
32: Fixing box 33: Fixing screw
4: Spraying means 41: Water supply hole
42: Water pipe 43: Spray nozzle
44: coupling ring 45: oblique spray nozzle
46: parallel spray nozzle 47: waterproof ring
5: rotating means 51: rotating plate
52: rotation motor 53: rotating member
54: first gear 55: rotating wheel
56: second gear 57: connecting rod
58: stop hole 6: auxiliary injection means
61: auxiliary water pipe 62: auxiliary spray nozzle
100: power supply unit 200: control means
300: blower 400: pump

Claims (2)

A body 2 made of a hollow tube; A fixing bracket 3 for fixing the body 2 to a predetermined height with respect to the floor and fixing the body 2 rotatably through a rotary shaft 21; And a control unit 200 which is provided inside the body 2 and is controlled by receiving power from the power supply unit 100 so as to blow air from the rear end of the body 2 to the front end thereof, (300); The water supply unit is provided inside the front end of the body (2) and is supplied with water through a pump (400) driven under control of the control unit (200) A water supply pipe 42 having a plurality of water supply holes 41 formed in the shape of a donut at an inner side of the water supply pipe 42 and having a gap therebetween, A spraying means (4) having a spray nozzle (43) for spraying the water supplied to the inside of the water supply pipe (42) to the outside; A rotary plate 51 driven by the control of the control means 200 and having the rotary shaft 21 fixed to the center so as to rotate the rotary shaft 21 of the body 2, (5) having a rotary member (53) for receiving the rotational force of a rotary motor (52) driven to rotate the rotary plate (51) to rotate the body (2); The water supply unit receives supply of water through the pump 400 driven through the control of the control unit 200 at a supply source of water and is arranged in a donut shape inside the body 2, An auxiliary water supply pipe 61 having a plurality of water supply holes formed therein and an auxiliary spray nozzle 62 connected to a water supply hole of the auxiliary water supply pipe 61 to spray water supplied to the inside of the auxiliary water supply pipe 61 to the outside, (1) comprising: an auxiliary spraying means (6) having an auxiliary spraying means (6);
The spraying means (4)
A donut-shaped coupling ring 44 coupled to the water supply pipe 42 in a direction in which the water supply hole 41 is positioned; a coupling ring 44 coupled to the coupling ring 44 to be connected to the water supply hole 41; (45) coupled to the coupling ring (44) so as to be connected to the water supply hole (41), and is connected to the water supply hole (41) of the body (2) (45) and the parallel spray nozzle (46) are arranged so as to intersect with each other, wherein the parallel spray nozzle (46) is configured to spray in a direction parallel to a center line connecting the center of the front end and the rear end ;
The gap between the oblique spray nozzle 45 and the parallel spray nozzles 46,
The water supply pipe 41 is provided at an interval smaller than an interval between the water supply holes 41 so as to be rotatably engaged with the outer circumferential surface of the water supply pipe 42 and sprayed while forming an inclination angle in the direction of the center of the body 2, In the direction parallel to the center line connecting the front end of the rear end of the front end and the center of the rear end;
On the surface of the coupling ring (44) facing the water supply hole (41)
A circular waterproof ring 47 made of a waterproof material and accommodating the water supply hole 41 is provided;
The rotating member (53)
A rotation gear 55 fixed to the stationary bracket 3 so as to be rotatable about an axis, a first gear 54 for receiving rotation of the rotation motor 52, And a second gear 56 fixed to the shaft of the rotary wheel 51. The other end of the second gear 56 is rotatably mounted at a position spaced apart from the center of the rotary wheel 55, Comprises a fixed connecting rod (57);
In the rotating plate 51,
A plurality of stop holes 58 having the same radius and formed with a gap therebetween are formed;
In the fixing bracket 3,
A stopper rod 32 having a stopper rod 31 whose tip end is fitted and spaced by the stopper holes 58 and is fixed while being elastically supported, Respectively;
In the fixing box 32,
And a fastening screw (33) that is fitted in a groove formed on an outer circumferential surface of the stop rod (31) is threadedly engaged. delete

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