KR101247181B1 - Water spray control system for coalyard and control method thereof - Google Patents

Abstract

PURPOSE: A coal yard watering control system and a control method thereof are provided to have a water spray head spraying water formed with a structure capable of rotating and adjusting the angles upwards and downwards, thereby automatically controlling the position of the water spray head towards the scattered dust for accurate watering. CONSTITUTION: A coal yard watering control system includes an anemoscope(110), an anemometer(120), a thermo-hygrometer(130), a scattering amount measuring device(140), a water spray device(150), a control unit(100), a database(180) and a display unit(160). At least one anemoscope is installed in the coal yard and measures the direction of the wind in the coal yard. At least one anemometer is installed in the coal yard and measures the speed of the wind in the coal yard. At least one thermo-hygrometer is installed in the coal yard and measures the temperature and humidity in the coal yard. At least one scattering amount measuring device is installed in the coal yard and measures the amount of scattering dust in the coal yard. At least one water spray device is installed in the coal yard and sprays water into the coal yard. The control unit is applied by the measured values of the direction of the wind, the speed of wind, the amount of scattering dust and the temperature and humidity, compares the measured values with a predetermined value, and operates the water spray device if the measured values are over a predetermined value. [Reference numerals] (100) Control unit; (110) Anemoscope; (120) Anemometer; (130) Thermo-hygrometer; (140) Scattering amount measuring device; (160) Display unit; (170) Warning device; (180) Database; (190) Operating unit; (220) Pump; (40) Ventilation unit; (70) Horizontal rotating unit; (80) Spray angle control unit

Description

Low coal spraying control system and its control method {WATER SPRAY CONTROL SYSTEM FOR COALYARD AND CONTROL METHOD THEREOF}

The present invention relates to a low coal spraying control system and a method of controlling the same to prevent dust from being scattered in the low coal, thereby reducing environmental pollution and air pollution around the coal.

In general, coal is used in coal-fired power plants or coal mining coal mines. Since coal is deposited in low coal, dust is blown off by the wind, polluting the environment and air around the low coal.

In order to prevent dust, such as coal dust, from being scattered around the yard, water is sprayed into the low yard.

Conventional sprinkling systems are provided in a plurality of relay stations installed in a yard where scattering dust is generated, and in a yard where scattering dust is generated, as disclosed in Korean Patent Application Publication No. 10-2012-0057406, to measure the scattering dust concentration at a corresponding position. A plurality of dust measuring units for transmitting to the plurality of relay stations, an anemometer installed at the yard for transmitting wind speed measurement values to the plurality of relay stations, and a wind vane installed at the yard for transmitting wind direction measurement values to the plurality of relay stations. And a plurality of watering devices installed in the yard for spraying water toward the yard, a plurality of scattering dust concentrations measured by the plurality of dust meters through the plurality of relay stations, the wind speed measurement value, and the wind direction measurement value. And a first warning signal is generated when there is a first dust meter that is equal to or greater than a reference dust concentration among the plurality of dust concentrations. And a ground station that outputs a second warning signal when the wind speed measurement value is equal to or greater than a reference wind speed value, receives the first warning signal or the second warning signal from the ground station, and displays a warning notification signal to a user. And a mobile communication terminal for controlling the watering of the first watering device closest to the position value of the first dust measuring device among the watering device.

This conventional spraying control system for shattering dust is equipped with a plurality of watering device around the yard is configured to operate the watering device in the position closest to the position value of the dust measuring device requires a lot of watering device and watering Since the device can be sprayed only in one direction, there is a problem that it is difficult to spray water accurately toward the scattering dust.

Published Patent Publication 10-2012-0057406

Therefore, an object of the present invention is to collect and analyze the monthly, seasonal, day and night wind direction, wind speed temperature / humidity of the low coal, analyze the characteristics of the low coal stored in the low coal and the amount of fugitive dust according to the weather, and store the data in the database, By analyzing the data stored in the base, it is possible to determine the number of sprinkler devices suitable for low coal, the location of the sprinkler system, the spraying pressure and the proper sprinkling time of the sprinkler, and to reduce the cost and improve the dust scattering effect. It is to provide a control system and a control method thereof.

Another object of the present invention is to provide a low-charging sprinkling system and a control method thereof by measuring the amount, direction and wind speed of dust to spray water in the direction in which dust is scattered, thereby effectively preventing dust from scattering.

Another object of the present invention is a spraying head for spraying water is formed in a structure that can be rotated and vertical angle adjustment, it is possible to automatically adjust the position of the spraying head in the direction of dust scattering, while reducing the number of spraying head The present invention provides a low-alkage watering system and a method of controlling the water.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. .

In order to achieve the above object, the low-tank watering system of the present invention is installed in one or more low-tank wind vane to measure the wind direction of the low coal, an anemometer installed at least one low-tank to measure the wind speed of the low coal, and at least one is installed in the low coal A thermo-hygrometer that measures the temperature and humidity of low coal, a scattering meter that measures the scattering of dust generated in one or more low coal, And a control unit which operates the watering device when the wind direction measurement value, the wind speed measurement value, the scattering measurement value, the temperature and humidity measurement value are received and compared with the set value, and the set value is higher than the set value. Head, horizontal rotating part for rotating the spray head horizontally, spray angle adjusting the spray angle of the spray head It characterized in that it comprises a.

The sprinkling head of the present invention has a cylindrical shape, a head housing having a larger diameter toward the front, a plurality of nozzles installed at the front inner side of the head housing, and a blowing unit rotatably installed at the head housing to generate a blowing force. It is characterized by including.

The injection angle adjustment unit of the present invention, one end is hinged to the base frame, the other end includes an actuator hinged to the side of the sprinkling head, the actuator is characterized in that any one of the solenoid, pneumatic cylinder and hydraulic cylinder is applied do.

The horizontal rotating unit of the present invention is connected to the rotating motor, the drive shaft of the rotating motor to reduce the rotational force of the rotating motor, the drive gear connected to the reducer, the gears and the gear bite and the sprinkling head can be rotated It characterized in that it comprises a driven gear fixed to the rotating shaft to support.

The control method of the low-tank spraying control system of the present invention collects and analyzes the wind direction and wind speed / humidity around the low-tank, and collects and analyzes the characteristics of the low-carbon stored in the low-tank and the amount of dust scattering, and the number of installation locations and the number of the spraying device. And a first step of determining a proper injection pressure and a suitable watering time, and a step of spraying water to a position where the dust is scattered when the dust is scattered more than a set value while the first stage is completed and the spraying device is installed in the low coal tank. Characterized in that it comprises two steps.

The first step is to measure the wind direction, wind speed, temperature and humidity around the low coal, analyzing the characteristics of the low coal stored in the low coal, measuring the amount of dust generated in the low coal, and the wind direction, wind speed, Collecting and analyzing the characteristics of temperature, humidity and low coal, the scattering amount of dust, characterized in that it comprises the step of determining the injection amount of the watering device, the number of watering device and the installation location of the watering device.

The second step includes measuring the wind speed, wind direction, temperature and humidity around the low coal, measuring dust scattering generated in the low coal, comparing dust scattering with the set value, and dust scattering more than the set value. In the back, adjusting the watering angle of the watering head and the watering position of the watering head using the wind direction measurement, determining the watering range and the spraying amount of the watering head using the wind speed measurement, and operating the watering device It characterized in that it comprises the step of spraying water.

As described above, the low-coal water sprinkling control system and the control method of the present invention collect and analyze the monthly, seasonal, day and night wind direction, wind speed, temperature and humidity of the low-carbon, and the scattered dust amount according to the characteristics of the low-carbon stored in the low coal and the weather Analyze and store it in the database, and analyze the data stored in this database to determine the number of sprayers suitable for low coal, the location of the sprayer, the spray pressure in the sprayer, and the proper spraying time. There is an advantage that can improve the scattering prevention effect.

In addition, the low coal spraying control system and the control method of the present invention measures the amount of dust scattered, wind direction and wind speed of the low coal to spray water in the direction in which dust is scattered and to spray water with the spraying amount corresponding to the wind speed There is an advantage that can effectively prevent scattering.

In addition, the low-charging water sprinkling control system and the control method of the present invention is formed of a structure in which the sprinkling head for spraying water can be rotated and the vertical angle adjustment, it is possible to automatically adjust the position of the sprinkling head in the direction of dust scattering While reducing the number of watering heads, there is an advantage in that accurate watering is possible.

1 is a block diagram of a low-coal water spray control system according to an embodiment of the present invention.
2 is a cross-sectional view of the watering device according to an embodiment of the present invention.
Figure 3 is a perspective view of the watering device according to an embodiment of the present invention.
Figure 4 is a flow chart of the first step of the low-coal water spraying control method according to an embodiment of the present invention.
5 is a flowchart of a second step of the low-coal water spraying control method according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. The sizes and shapes of the components shown in the drawings may be exaggerated for clarity and convenience. In addition, terms defined in consideration of the configuration and operation of the present invention may be changed according to the intention or custom of the user, the operator. Definitions of these terms should be based on the content of this specification.

1 is a block diagram of a low-coal water spray control system according to an embodiment of the present invention.

Referring to FIG. 1, a low-tank spraying control system according to an exemplary embodiment of the present invention includes one or more wind vanes 110 installed in a low coal tank to measure the wind direction of the low coal tank, an anemometer 120 measuring the wind speed of the low coal tank, and a low coal tank Thermo-hygrometer 130 for measuring the temperature and humidity of the, a scattering meter 140 for measuring the scattering of dust generated in the low coal, and one or more installed in the vicinity of the low coal is spraying device 150 for spraying water toward the low coal And a control unit 100 that receives the wind direction measurement value, the wind speed measurement value, the dust amount measurement value, and the temperature and humidity measurement value and compares the setting value with the setting value, and operates the watering device 150.

In addition, the low-tank water spray control system collects and analyzes monthly, seasonal, day and night, wind direction, wind speed, temperature and humidity around the low-tank, collects and analyzes scattered dust according to the characteristics and weather of low-carbon stored in low-tank, and stores the data. The database 180 is provided.

In addition, the low-charging water spray control system displays the wind direction, the wind speed, the amount of dust and the temperature and humidity in real time, and in accordance with the signal applied from the control unit 100 displays the operating status of the water spray device 150 in real time, the operator always visually The display unit 160 and the sprinkling device 150 are operated to alert the user to the current dust is scattered when the alarm device 170 is provided.

The wind vane 110, anemometer 120, thermo-hygrometer 130 and fly scatter meter 140 are arranged in a plurality at intervals in the appropriate position around the low magazine to accurately measure the wind direction, wind speed, temperature, humidity and scatter of the low coal. To help.

The display unit 160 is installed at a position that is relatively easy for the operator to check with the naked eye, so that the operator can always check the current dust scattering degree with the naked eye.

Then, after the operator checks the current dust scattering situation displayed on the display unit 160 is provided with an operation unit 190 that can directly operate the sprinkler 150. The operation unit 190 may be connected to the control unit 100 by wire or wirelessly so that a user may directly input a signal for operating the watering apparatus 150.

2 and 3, the sprinkling apparatus 150 is installed on the base frame 60 so as to be rotated and adjustable vertically, and the spraying head 10 for spraying water to the low coal, and the base frame 60 And the spraying angle adjusting unit 80 installed between the spraying head 10 and adjusting the spraying angle of the spraying head 10, and installed in the base frame 60 to rotate the spraying head 10 horizontally to adjust the spraying position. It includes a horizontal rotating portion 70 to adjust.

The sprinkling head 10 is a head housing 20, a plurality of nozzles 30 are provided in the front of the head housing 20, rotatably installed in the head housing 20 is sprayed from the nozzle 30 Blowing unit 40 for blowing away the water.

The head housing 20 is formed in a cylindrical shape in which the front and the rear are opened, and the inner diameter is widened toward the rear of the head housing, and the inlet 22 through which air is sucked, and the inner surface inside the inlet 22 are formed. A blower unit mounting part 24 formed in the same shape and mounted with the blower unit 40 and a guide member 50 extending from the blower unit mounting part 24 and gradually decreasing inward diameter toward the front side to guide the air. It includes a guide portion 26 is mounted, and the nozzle mounting portion 28 extending from the guide portion 26 and the inner diameter is formed to be wider toward the front so that the nozzle 30 is installed.

In addition, a plurality of flow paths 32 for supplying water to each nozzle 30 are formed in the nozzle mounting portion 28, and a chamber 34 into which the pumped water flows is formed outside the nozzle mounting portion 28. . That is, water is introduced into the chamber 34 and then distributed to each nozzle 30 through the flow path 32.

The blowing unit 40 is a blowing fan 44 which is fixed to the inner surface of the blowing unit mounting portion 24 by the mounting bracket 46 and a blowing fan that is mounted on the drive shaft 48 of the blowing motor 44 to blow air. (44).

The base frame 60 is fixed to the bottom surface and is provided with a bearing housing 62 on which the thrust bearing and the ball bearing are mounted. Here, the thrust bearing serves to support the load of the sprinkling head, and the ball bearing serves to maintain the shaft center.

In addition, a support bracket 64 is installed above the bearing housing 62, and the support bracket 64 is hinged to the hinge frame 66 provided on the side surface of the sprinkling head 10. Therefore, the sprinkling head 10 can move in the vertical direction around the hinge frame 66, the sprinkling angle is adjusted.

The injection angle adjusting unit 80 includes a cylinder body 82 hinged to the base frame 60 and a piston rod inserted into the cylinder body 82 so as to be linearly movable and hinged to the side of the sprinkling head 10. An actuator consisting of 84) is applied.

Here, the injection angle adjustment unit 80 is a solenoid to which the piston rod 84 is linearly reciprocated when power is applied, a pneumatic cylinder in which the piston rod is linearly moved by pneumatic and a hydraulic cylinder in which the piston rod is linearly moved by hydraulic pressure. Either of which may be used.

The spray angle adjusting unit 80 adjusts the spray angle of the spray head 10 while the piston rod 84 is linearly moved in the cylinder body 82 according to a signal applied from the control unit 100.

The horizontal rotation part 70 is a rotation motor 72 fixed to the support bracket 64, a reduction gear 74 for reducing the rotational force of the rotation motor 72 is connected to the drive shaft of the rotation motor 72, reducer 74 ) And a driven gear (78) geared with the drive gear (76) and fixed to a rotating shaft supported by the bearing housing (62).

In this way, the control method of the low-charging water sprinkling control system which is comprised is demonstrated in detail below.

4 and 5 is a flow chart showing a control method of a low coal water spray control system according to an embodiment of the present invention.

According to an embodiment of the present invention, a low-tank spraying control method collects and analyzes monthly, seasonal, day and night and wind direction, wind speed, temperature / humidity around the low-tank, and installs and analyzes the characteristics of the low-tan coal stored in the low-tank Collecting and analyzing the amount of scattering dust according to the weather, the first step to determine the installation location of the watering device, the number and proper spraying pressure of the watering device, the proper watering time, and when the dust is generated in the low coal after the installation of the watering device is completed And a second step of watering the water to the generated position.

In the first step, as shown in FIG. 4, the weather condition of the low coal is collected and analyzed by month, season, and day and night. (S10) That is, the direction of the wind around the low coal in the wind vane 110 installed around the low coal. The wind speed is measured by the anemometer 120, and the temperature and humidity are measured by the thermo-hygrometer 130 and stored in the database 180.

Then, the characteristics of the low coal stored in the low coal is analyzed (S20). That is, the characteristics of the low coal stored in the low coal are analyzed to check the degree of dust generation in the low coal.

Then, the scattering amount of the dust generated in the low coal field is measured. (S30) That is, the dust is measured and analyzed using the scattering meter 140.

When the above process is completed for a certain period of time, the injection amount of the watering device 150, the number of watering device 150 and the installation position of the watering device 150 is determined (S40), that is, the database 180 as described above In order to determine the capacity of the motor in accordance with the injection amount of the spraying device 150 by analyzing the data stored in the), and to install the spraying device in a direction that a lot of people mainly blows and determine the number of the spraying device 150.

As described above, the first stage control method of the low coal water sprinkling control system according to the present embodiment measures the low coal characteristics and the change in the weather of the low coal water tank to determine the number of spraying devices, the installation position, and the injection amount, thereby preventing dust scattering more precisely. It is possible to save money by not having to install unnecessary watering devices.

In the second step, as shown in FIG. 5, the wind speed, wind direction, temperature, and humidity around the low coal is measured and the measured values are transferred to the control unit 100. (S100) That is, the anemometer 120 surrounds the low coal. The wind speed is measured and the wind speed measurement value is transmitted to the control unit 100, the wind vane 110 measures the wind direction around the low coal field, the wind direction measurement value is transmitted to the control unit 100, the low humidity cabinet in the hygrometer 130 The temperature and humidity of the surroundings are measured and transmitted to the control unit 100.

Then, the dust scattering amount generated in the low coal field is measured and transmitted to the control unit 100. (S200) That is, the dust scattering unit 140 measures the dust scattering amount to measure the dust to the control unit 100 To pass.

The control unit 100 adjusts the watering angle of the watering head 10 and the watering position of the watering head 10 by using the wind direction measurement value applied from the wind vane 110. When the direction is applied to the control unit 100, the control unit 100 selects the watering device that matches the direction of the wind among the plurality of watering device, and driving the spraying angle adjusting unit 70 of the selected watering device spraying head ( Adjust the watering angle to match the direction of the wind by adjusting the up and down angle of 10). The control unit 100 drives the horizontal rotating unit 70 to horizontally rotate the sprinkling head 10 to adjust the sprinkling position.

The control unit 100 determines the injection amount of the sprinkling head 10 using the wind speed measurement value applied from the anemometer 120. (S400) That is, the control unit 100 according to the wind speed measurement value The blowing unit 40 of (10) is controlled to adjust the injection range and the injection speed.

In addition, the control unit 100 operates the watering device 150 to inject water into the low coal to prevent dust scattering. (S500) That is, the control unit 100 drives the pump 220 to the watering head 10 Spray water through).

In addition, the control unit 100 displays the current progress (wind direction, wind speed, temperature, humidity, scattering amount and sprinkler operation) on the display unit 160 in real time so that the operator can know the current progress with the naked eye. (S700)

Then, the control unit 100 operates the alarm device 170 to warn the worker of the current dust scattering. (S800)

As described above, the watering device 150, in addition to the method of spraying water in the direction in which dust is automatically scattered by the control unit 100, the operator manually operated the watering device 150 by operating the operation unit 190 Remote control method is also applicable.

That is, the operator may operate the sprinkler 150 by remotely controlling the sprinkler 150 wirelessly or by wire by integrating various types of information displayed on the display unit 160.

As such, the second step control method of the low-charging water sprinkling control system according to the present invention measures the wind direction, the wind speed, and the scattering amount of dust around the low-charging, and when the dust scattering amount is more than the set value, the sprinkler is operated to prevent dust scattering. . At this time, the spraying device is controlled by the actuator and the spray angle can be adjusted and the spraying position can be adjusted by the operation of the rotary motor, so that the spraying can be accurately sprayed in the direction of dust scattering can improve the dust emergency prevention performance.

In addition, the spraying range and the spraying amount can be adjusted according to the amount of dust scattering, it is possible to more effectively prevent the scattering of dust.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limited to the embodiments set forth herein. Various changes and modifications may be made by those skilled in the art.

10: watering head 20: head housing
30: nozzle 40: blowing unit
50: guide member 60: base plate
70: horizontal rotation part 80: injection angle adjustment unit
100: control unit 110: weather vane
120: anemometer 130: thermo-hygrometer
140: scattering meter 150: watering device
160: display unit 170: alarm device
180: database 190: operation unit
220: pump

Claims (9)

One or more wind vanes installed in the low coal cage to measure the wind direction of the low coal cage;
An anemometer installed at least one low bay to measure the wind speed of the low bay;
A thermo-hygrometer installed in at least one low coal tank to measure the temperature and humidity of the low coal tank;
A scattering measuring instrument which is installed in one or more low coal tanks and measures the amount of dust scattered in the low coal tanks;
A watering device installed at least one around the low coal tank to spray water toward the low coal tank;
A control unit which receives the wind direction measurement value, the wind speed measurement value, the scattering measurement value, the temperature and humidity measurement value, and compares the set value with the set value and operates the watering device;
It is electrically connected to the control unit, and collects and analyzes monthly, seasonal, day and night and wind direction, wind speed temperature / humidity around the low coal storage, collecting and analyzing the scattered dust amount according to the characteristics and weather of low coal stored in the low coal storage, A database in which data is stored; And
Display unit for displaying the wind direction, wind speed, flying amount, temperature and humidity in real time according to the signal applied from the control unit, and displays the operating status of the sprinkler in real time;
The watering device includes a spraying head for spraying water, a horizontal rotating portion for rotating the spraying head horizontally, and an injection angle adjusting unit for adjusting the spraying angle of the spraying head,
The sprinkling head has a cylindrical shape, and includes a head housing that is wider in diameter toward the front, a plurality of nozzles installed in the front inner side of the head housing, and a blowing unit rotatably installed in the head housing to generate a blowing force. ,
The injection angle adjustment unit is hinged one end is connected to the base frame, the other end includes an actuator hinged to the side of the sprinkling head,
The actuator is one of a solenoid, a pneumatic cylinder and a hydraulic cylinder is applied,
The horizontal rotating unit is connected to the rotating motor, the drive shaft of the rotating motor to reduce the rotational force of the rotating motor, the drive gear connected to the reducer, the gear and the gear meshed with the drive gear, rotatably supporting the sprinkling head And a driven gear fixed to a rotating shaft. delete delete delete delete delete delete delete delete

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