KR20200039646A - A Rotating Nozzle Assembly Type of an Apparatus for Cleaning a Dust Collecting Cell Automatically - Google Patents

Abstract

The present invention relates to an apparatus of a rotating nozzle assembly structure for automatically cleaning dust-collecting cells, and more specifically to an apparatus of a rotating nozzle assembly structure for automatically cleaning dust-collecting cells, having an improved structure to detect a dust-collecting state of a plurality of dust-collecting cells disposed in a dust-collecting device and thus automatically cleaning. The apparatus of the rotating nozzle assembly structure for automatically cleaning dust-collecting cells comprises: a supply member (11) linearly extending to have a flow path formed therein; at least one rotating nozzle assembly (12a, 12b, 12c) coupled to the supply member (11); a water supply unit (14) for supplying water to the supply member (11); a compressed air supply unit (15) for supplying compressed air to the supply member (11); and a distribution control unit (17) for determining a supply ratio of water and compressed air, in which the rotating nozzle assembly (12a, 12b, 12c) is rotatable according to the supply of water or air.

Description

A Rotating Nozzle Assembly Type of an Apparatus for Cleaning a Dust Collecting Cell Automatically}

The present invention relates to a self-cleaning device for a dust collecting cell having a rotating nozzle assembly structure, and specifically, a rotating nozzle assembly structure having an improved structure to detect and automatically clean the dust collecting state of a plurality of dust collecting cells disposed in the dust collecting device. It relates to a dust collecting cell automatic cleaning device.

The electrostatic precipitator refers to a device that collects dust charged with a negative or positive charge by making the dust collecting electrode become the anode and the discharge electrode becoming the cathode. In general, for collecting dust, a high voltage is applied between the dust collecting electrode and the discharge electrode to generate an inequality electric field by corona discharge, so that charged dust or gas is collected by the electrostatic force on the dust collecting electrode. The electrostatic precipitator can be applied to large-scale workshops that generate a large amount of dust or gas due to high discharge electrodes, as well as to workplaces where dust or fine foreign matter acts. In such a dust collecting device, for charging of dust or particulates, for example, it may be divided into a DC voltage method or a micropulse method according to a method in which a high voltage of 30 to 100 kV is applied. Such an electrostatic precipitator needs to be cleaned or cleaned at regular intervals.

Various techniques for cleaning the electrostatic precipitator are known, and for example, Patent No. 10-0849416 discloses a precipitator with a cleaning function that removes foreign substances in a dust collecting space by spraying a cleaning fluid. In addition, Patent Publication No. 10-2011-0133080 discloses a complex cleaning device for cleaning an electrostatic precipitator having a rotation driving means. However, the prior art does not disclose a washing apparatus that allows washing of a plurality of dust collecting cells by one washing nozzle unit and at the same time effectively controlling spraying of the spray nozzle and drying at the same time.

The present invention is to solve the problems of the prior art has the following purposes.

Patent Document 1: Korean Patent Registration No. 10-0849416 (Litco Co., Ltd., Announced on July 31, 2008) Dust collector with cleaning function Patent Literature 2: Korean Patent Publication No. 10-2011-0133080 (Seoul Metropolitan Rapid Transit Corporation, published on December 12, 2011) Complex cleaning device for cleaning the electrostatic precipitator

An object of the present invention is to provide a dust collecting cell automatic cleaning device having a rotating nozzle assembly structure capable of cleaning or cleaning a plurality of dust collecting cells with one rotating nozzle unit and adjusting spray pressure of the nozzle by injection of compressed air.

According to a preferred embodiment of the present invention, the automatic cleaning device of the dust collecting cell of the rotary nozzle assembly structure is linearly extended while the supply member has a flow path formed therein; At least one rotating nozzle assembly coupled to the supply member; A water supply unit that supplies water to the supply member; A compressed air supply unit supplying compressed air to the supply member; And a distribution control unit that determines a supply ratio of water and compressed air, and the rotating nozzle assembly is rotatable according to the supply of water or air.

According to another suitable embodiment of the present invention, the rotary nozzle assembly is coupled to the supply member by a rotary coupler, and a separation induction tab for guiding water or air in different directions is formed at a portion where the rotary coupler is coupled.

According to another suitable embodiment of the present invention, at least one nozzle unit is coupled to the rotating nozzle assembly, and each nozzle unit consists of a pair of nozzles arranged symmetrically.

According to another suitable embodiment of the present invention, the supply member is movable up and down, and a receiving groove for receiving the supply member is formed.

According to another suitable embodiment of the invention, it further comprises a drying unit for controlling the process for the removal of moisture remaining inside the flow path.

The automatic cleaning device for the dust collecting cell of the rotating nozzle assembly structure according to the present invention periodically removes the trapped material accumulated inside the dust collecting electrode and removes contaminants accumulated around the dust collecting device due to various causes. To improve the dust collection efficiency. The automatic cleaning device according to the present invention allows the structure to be simplified while reducing power consumption by automatically rotating the nozzle assembly by injection of air or washing water. The automatic washing apparatus according to the present invention reduces the maintenance cost by completely removing residual water inside the washing facility while drying is automatically performed after washing.

1 is a view showing an embodiment of a dust collecting cell automatic cleaning device of a rotating nozzle assembly structure according to the present invention.
Figure 2 shows an embodiment of a nozzle unit applied to the automatic cleaning device according to the present invention.
3A and 3B show an embodiment in which an automatic cleaning device according to the present invention is applied.
Figure 4 shows an embodiment of the operation of the automatic cleaning device according to the present invention.

The present invention will be described in detail below with reference to the embodiments presented in the accompanying drawings, but the embodiments are intended for a clear understanding of the present invention and the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, and are not described repeatedly unless necessary for understanding of the invention, and well-known components are briefly described or omitted, but the present invention It should not be understood as being excluded from the embodiment.

1 is a view showing an embodiment of a dust collecting cell automatic cleaning device of a rotating nozzle assembly structure according to the present invention.

Referring to FIG. 1, the automatic cleaning device for a dust collecting cell of a rotating nozzle assembly structure includes a supply member 11 having a flow path formed therein while extending linearly; At least one rotating nozzle assembly 12a, 12b, 12c coupled to the supply member 11; A water supply unit 14 for supplying washing water to the supply member 11; A compressed air supply unit 15 for supplying compressed air to the supply member 11; And a distribution control unit 17 for determining a supply ratio of water and compressed air, wherein the rotary nozzle assemblies 12a, 12b, 12c are rotatable according to the supply of water or air.

The rotating nozzle assemblies 12a, 12b, and 12c may be applied to cleaning or cleaning of a dust collecting device in which a plurality of dust collecting cells are connected to each other, but are not limited thereto, and may be applied to any device requiring cleaning or cleaning. The dust collecting device can be installed in an industrial site or a subway, and the rotating nozzle assemblies 12a, 12b, 12c can be automatically operated according to preset conditions. At least one rotating nozzle assembly 12a, 12b, 12c may be installed in one dust collecting device, and each dust collecting cell may be cleaned by one rotating nozzle assembly 12a, 12b, 12c.

The supply member 11 may extend in a straight shape and at least one rotating nozzle assembly 12a, 12b, 12c may be coupled to the supply member 11. The supply member 11 can be extended in a linear or similar shape, and the length of the supply member 11 can be determined according to the width of each dust collecting cell, and water or air can be used inside the supply member 11. A flow path for flow can be formed. The linear rotation nozzle assembly 12a, 12b, 12c is coupled to the supply member 11 in a straight line to stably rotate.

At least one rotating nozzle assembly 12a, 12b, 12c can be coupled to the supply member 11 by rotating couplers 13a, 13b, 13c, and multiple rotating nozzle assemblies 12a, 12b, 12c Two nozzle units can be combined. Each rotating nozzle assembly 12a, 12b, 12c may be rotated based on the rotating couplers 13a, 13b, 13c, and water or air supplied through the supply member 11 may be rotated couplers 13a, 13b, 13c) can be supplied to each of the rotating nozzle assemblies 12a, 12b, 12c. Thereafter, water or air may be sprayed into the dust collecting cell through each nozzle unit disposed in the rotating nozzle assemblies 12a, 12b, and 12c to wash foreign substances collected inside the dust collecting cell.

The cleaning solution may be stored in the water supply unit 14, and water refers to the cleaning solution. Water may include various types of organic or inorganic compounds for cleaning the dust collecting cells, and such organic or inorganic compounds are mixed with water in the water supply unit 14 or supplied through an independent path 11 ) With water or air.

According to one embodiment of the present invention, compressed air may be supplied to the supply member 11 either alone or together with water by the compressed air supply unit 15. Compressed air may have a function of adjusting the pressure of water through each nozzle unit. The compressed air supply unit 15 supplies air having an appropriate pressure according to the supply state of water so that the internal paths of the supply member 11 and the rotating nozzle assemblies 12a, 12b, and 12c are maintained in a predetermined pressure range. The compressed air supply unit 15 may inject high-pressure air of, for example, 1.5 to 10 bar, and the temperature of the compressed air may be adjusted. The compressed air can be dry air, and the injection amount of compressed air can be adjusted by the valve unit 16 or by the distribution control unit 17. The distribution control unit 17 controls the operation of the first and second pressure regulating units 171 and 172 so that the pressure of water and air supplied from the water supply unit 14 and the compressed air supply unit 15 can be adjusted. have. The distribution control unit 17 controls the supply pressure of water and compressed air to the first and second pressure regulating units 171 and 172 while simultaneously controlling the relative opening and closing levels of the valve unit 16, thereby controlling the water and air. The supply amount can be adjusted. The valve unit 16 can be, for example, a three-way valve, and can be connected to the supply member by a fluid supply conduit (ST).

The rotating coupler 13a may be coupled to the rotating nozzle assembly 12a to be rotatable to the supply member 11, and an induction member 131 having an induction path formed therein; A coupling bracket 132 coupled to the rotating nozzle assembly 12a; And it may be made of a rotating unit 133 for coupling the guide member 131 and the coupling bracket 132 to be rotatable. In addition, a separate induction tab 121 having an overall conical shape may be formed at the end of the induction member 131. The separation guide tab 121 may be made of a structure in which the bottom surface is coupled to the inner surface of the rotating nozzle assembly 12a, and a sharp end portion is located at the end portion of the guide member 131. In addition, the outer circumferential surface of the separation induction tab 121 may be formed in a curved shape. Water and air induced along the internal path of the induction member 131 by this structure can be distributed in both directions of the rotating nozzle assemblies 12a, 12b, 12b along the outer circumferential surface of the separation induction tab 121. have. In addition, the outer circumferential surface of the separating induction tab 121 is formed in a curved shape so that a pressure that reacts to the inner path of the induction member 131 is not generated. In addition, water and air are flexibly distributed to both sides of the rotating nozzle assemblies 12a, 12b, and 12c without generating vortices at the ends of the induction member 131. The rotating coupler 13a can combine the supply member 11 and the rotating nozzle assemblies 12a, 12b, 12c in various structures and is not limited to the presented embodiments.

Figure 2 shows an embodiment of a nozzle unit applied to the automatic cleaning device according to the present invention.

2, at least one nozzle unit (21_1 to 21_N) is coupled to the rotating nozzle assembly (12a, 12b, 12c), each nozzle unit (21_1 to 21_N) is a pair of symmetrically disposed nozzles ( 24a, 24b).

A plurality of nozzle units 21_1 to 21_N may be coupled to the rotating nozzle assembly 12a, and each nozzle unit 21_1 to 21_N may be made of the same or different structures. If necessary, at least one nozzle unit 21_1 to 21_N of the plurality of nozzle units 21_1 to 21_N may be made to face the other direction. By setting the spray direction of the at least one nozzle unit 21_1 to 21_N differently, the rotating nozzle assembly 12a is rotated together with spraying of water and compressed air.

At least one guide hole 22 may be formed at both ends of the rotating nozzle assembly 12a, and the guide holes 22 formed at different ends of the rotating nozzle assembly 12a may face different directions. have.

The induction holes 22 may be formed of a plurality of distributed induction holes 22_1 to 22_L, and the distributed induction holes 22_1 to 22_L may be formed linearly at both ends of the rotating nozzle assembly 12a, respectively. Or it may be made of a structure that can be coupled to each of both ends of the rotating nozzle assembly (12a). Specifically, the plurality of dispersion induction holes 22_1 to 22_L may be formed linearly in the hole body 25, and may be coupled to both ends of the rotating nozzle assembly 12a by the coupling cap 28. The adjustment screen 26 may be disposed inside the hole body 25, and the adjustment screen 26 shields the dispersion induction holes 22_1 to 22_L in turn while being moved inside the hole body 25 having a cylindrical shape. It can have a function to let. Specifically, the elastic induction unit 27 is disposed at one end of the adjustment screen 26 to change the position of the adjustment screen 26 according to the rotational speed of the rotating nozzle assembly 12a, thereby distributing the dispersion induction holes 22_1 to 22_L. The number of shields can be changed.

The nozzle units 21_1 to 22_N may be made of various structures, for example, at least one nozzle unit 21_1 to 22_N may have a rotatable structure. At least one of the nozzle units 21_1 to 21_N, when coupled to the rotating nozzle assembly 22, a nozzle connector 213 having an internal path formed therein; A nozzle body 211 rotatably coupled to the nozzle connector 213; It is coupled to the nozzle body 211 and includes a spray body 212 extending to be parallel to the rotating nozzle assembly 12a and nozzles 24a, 24b formed at both ends of the spray body 212 to spray water and air. You can. The nozzle body 211 may be coupled to be rotatable with respect to the nozzle connector 213, and water and compressed air induced through the nozzle connector 213 may pass through the spray body 212 to the nozzles 24a, 24b. It can be induced and sprayed into a collecting cell. A sealing ring 213a may be coupled to a portion where the nozzle connector 213 and the spray body 212 are engaged, so that the bonding portion can be sealed. And while the spray direction of the water is limited by being formed so that the nozzle tips 241a and 241b of each of the nozzles 24a and 24b are inclined, the nozzle body 211 rotates together with the spray of water. In addition, the detection sensor 29 may be disposed at the front end of the nozzle units 21_1 to 21_N or at the front end of the nozzle body 211, and the detection sensor 29 detects the level or cleaning level of foreign matter collected in the dust collecting cell. As possible. Specifically, light or ultrasonic waves may be transmitted from the detection sensor 29, and a receiving unit may be disposed opposite or other suitable location of the collecting cell to transmit the anode unit of the collecting cell or the reflected light or ultrasonic level may be detected. have. In addition, depending on the detection level of light or ultrasound, the amount of foreign substances or cleaning level collected inside the dust collecting cell may be detected.

The nozzle units 21_1 to 21_N may be made of various structures and are not limited to the presented embodiment.

3A and 3B show an embodiment in which an automatic cleaning device according to the present invention is applied, and FIGS. 3A and 3B show a front view and a plan view, respectively.

3A and 3B, the supply member 11 can move up and down, and a receiving groove 35 for receiving the supply member 11 can be formed.

The cleaning device may be applied to a dust collecting device in which a plurality of dust collecting cells 32a to 32n are disposed, and the plurality of dust collecting cells 32a to 32n may be disposed vertically or horizontally. Then, rotating nozzle assemblies 12a, 12b, and 12c are disposed in each of the dust collecting cells 30a to 32n to spray water and compressed air to wash each of the dust collecting cells 30a to 32n. The plurality of dust collecting cells 32a to 32n may be arranged in a matrix shape, for example, inside the frame 31, and the different dust collecting cells 32a to 32n may be electrically connected to each other. Each dust collecting cell may include a dust collecting unit in which a plurality of dust collecting electrodes having a cylindrical shape are arranged in a honeycomb shape, and a discharge unit having a discharge electrode extending inside the dust collecting electrode. The dust collecting electrode and the discharge electrode may be maintained at a voltage determined by the power supply unit installed in the switchboard 33. The air containing foreign matter may be introduced from one end of the dust collecting electrode and discharged to the other end, and foreign matter such as particulates or droplets may be charged and attached to the dust collecting electrode or discharge electrode in the process of passing through the dust collecting electrode. Over time, foreign matter may accumulate inside the dust collecting electrode, and the accumulated foreign matter may reduce the dust collecting performance of the dust collecting cells 32a to 32n. Accordingly, it is necessary to remove foreign substances collected by the washing device.

Guide members 34a and 34b may be installed at both ends of the frame 31. Both ends of the supply member 11 may be configured to move up and down along the guide members 34a and 34b. The movement of the supply member 11 can be made, for example, by means of a belt, conveyor, lifting unit or moving cable operated by a driving device such as a motor. The supply member 11 can be moved in various ways, and the movement direction, the movement range, the movement speed, or the number of repetitions of the movement of the supply member 11 can be controlled by the control unit. When the washing device is not operated, the supply member 11 is accommodated in the receiving groove 35, and the receiving groove 35 can be opened and closed by a screen 35a that moves up and down. Water and air supplied to the fluid supply conduit ST by the valve unit 16 may be guided through the supply control tube 36 and supplied to the supply member 11 through the supply tab 361. The supply tab 361 is coupled to the supply member 11 and can be moved up and down along the guide members 34a and 34b.

The compressed air stored in the compressed air tank 373 may be supplied to the compressed air supply unit 15 via the filter unit 372. Compressed air may be supplied to the supply member 11 via the valve unit 16 by controlling the temperature by the temperature control unit 371. The temperature of the compressed air can be adjusted before washing, during the washing process or during the drying process. For example, an oil component may be attached to the interior of the dust collecting cell, and the oil component may be melted by spraying compressed air at a high temperature. In this case, a small amount of water may be dissolved and removed by the high temperature water vapor of the oil component attached to the dust collecting cell by being supplied with high temperature compressed air. Hereinafter, an operation process of the washing apparatus including such a process will be described.

Figure 4 shows an embodiment of the operation of the automatic cleaning device according to the present invention.

Referring to FIG. 4, a drying unit 49 that controls a process for removing moisture remaining inside the flow path is included.

The entire operation of the washing device can be controlled by the control module 41, for example, by controlling the operation of the water conditioning unit 42 and the compressed air conditioning unit 43, the supply pressure and supply amount of water and compressed air Can be adjusted. The control module 41 may adjust the operation of the washing cycle setting unit 44 to set a washing cycle or adjust the rotation speed of the rotating nozzle assembly. In addition, by operating the temperature control unit 45 it is possible to adjust the temperature of the supplied compressed air. The nozzle module 46 may be composed of a supply member, a rotating nozzle assembly, and a nozzle unit, and the temperature of the sprayed water may be controlled by adjusting the temperature of the compressed air by the temperature control unit 45.

The operating state of the nozzle module 46 can be detected by the detection module 47, and the detection module 47 can detect the cleaning state such as the cleaning level, spray pressure or spray temperature of the dust collecting cell. The operation information detected by the detection module 47 can be transmitted to the distribution data unit 48, and the distribution data unit 48 is based on the state information detected by the detection module 47 to detect water and compressed air. Supply status can be adjusted.

Compressed air may be supplied through the nozzle module 46 before, during, or after washing, and remaining in the flow path by, for example, spraying hot compressed air by the nozzle module 46 after washing. At the same time, the dust collecting cell can be dried while removing moisture. The drying unit 49 may set conditions for such moisture removal and drying. In addition, the hot steam is sprayed into the dust collecting cell by the hot steam unit 491 before or during the washing process to remove, for example, oil components or similar components. For example, the amount of compressed air, the pressure of compressed air, the amount of water, the pressure of water, and the temperature of water and compressed air that can be generated by the steam data unit 492 may be set. The process by which the hot steam is sprayed into the dust collecting cell may be controlled by the hot steam unit 491. For example, the high temperature steam unit 491 may spray the high temperature steam to the dust collecting cell before washing, or may temporarily spray the high temperature steam to the dust collecting cell in the washing process.

The cleaning device can be operated in a variety of ways and is not limited to the embodiments presented.

The automatic cleaning device for the dust collecting cell of the rotating nozzle assembly structure according to the present invention periodically removes the trapped material accumulated inside the dust collecting electrode and removes contaminants accumulated around the dust collecting device due to various causes. To improve the dust collection efficiency. The automatic cleaning device according to the present invention allows the structure to be simplified while reducing power consumption by automatically rotating the nozzle assembly by injection of air or washing water. The automatic washing apparatus according to the present invention reduces the maintenance cost by completely removing residual water inside the washing facility while drying is automatically performed after washing.

The present invention has been described in detail with reference to the presented embodiments, but those skilled in the art will be able to make various modifications and modified inventions without departing from the technical spirit of the present invention with reference to the presented embodiments. . The present invention is not limited by such modified and modified inventions, but is limited by the appended claims.

11: supply members 12a, 12b, 12c: rotary nozzle assembly
13a, 13b, 13c: rotary coupler 14: water supply unit
15: compressed air supply unit 16: valve unit
17: distribution control units 21_1 to 21_N: nozzle unit
22: induction holes 22_1 to 22_L: distributed induction holes
24a, 24b: nozzle 25: hole body
26: adjustment screen 27: elastic induction unit
28: combined cap 29: detection sensor
31: frames 32a to 32n: dust collecting cells
33: switchboard 34a, 34b: guide member
35: acceptance groove 35a: screen
36: Supply adjustment tube 41: Control module
42: water conditioning unit 43: compressed air conditioning unit
44: cleaning cycle setting unit 45: temperature control unit
46: nozzle module 47: detection module
48: distribution data unit 49: drying unit
121: separation guide tab 131: guide member
132: coupling bracket 133: rotating unit
171, 172: first and second pressure regulating units 211: nozzle body
212: spray body 213: nozzle connector
213a: sealing ring 241a, 241b: nozzle tip
361: Supply tab 371: Temperature control unit
372: filter unit 373: compressed air tank
491: high temperature steam unit 492: steam data unit
ST: fluid supply conduit

Claims (2)

A supply member 11 having a flow path formed therein while extending linearly;
At least one rotating nozzle assembly 12a, 12b, 12c coupled to the supply member 11;
A water supply unit 14 for supplying water to the supply member 11;
A compressed air supply unit 15 for supplying compressed air to the supply member 11;
A distribution control unit 17 for determining a supply ratio of water and compressed air; And
It includes a drying unit (49) to control the process for the removal of residual moisture inside the flow path,
The rotating nozzle assembly (12a, 12b, 12c) is rotatable according to the supply of water or air,
At least one nozzle unit (21_1 to 21_N) is coupled to the rotating nozzle assembly (12a, 12b, 12c), each nozzle unit (21_1 to 21_N) consists of a pair of symmetrically arranged nozzles (24a, 24b) Automatic cleaning device for dust collection cells with rotating nozzle assembly structure characterized by spraying water and compressed air. The method according to claim 1, The rotary nozzle assembly (12a, 12b, 12c) is coupled to the supply member 11 by the rotary coupler (13a, 13b, 13c), the rotary coupler (13a, 13b, 13c) is coupled to the portion Separation cell automatic cleaning device of a rotating nozzle assembly structure, characterized in that the separation induction tab 121 for guiding water or air in different directions.

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