KR100833008B1 - Producing apparatus for sintered ore having easily seaching surface complexing of raw material - Google Patents

Abstract

A sintered ore manufacturing apparatus for easily detecting the surface ignition state of raw materials is provided to easily confirm the ignition state with the naked eye by detecting a surface ignition state of the raw materials in real-time, and increase the production of sintered ore by controlling temperature of an ignition furnace and speed of a sintering car according to the surface ignition state, thereby optimizing the surface ignition state of the raw materials. In a sintered ore manufacturing apparatus for manufacturing sintered ore by igniting a surface of raw materials loaded on a sintering car(1) through an ignition furnace(2), a sintered ore manufacturing apparatus(100) for easily detecting a surface ignition state of raw materials(4) comprises: a detection part(110) which is magnetically reacted with iron distributed on the surface of the raw materials from the ignition furnace, thereby detecting a surface ignition state of the raw materials to output detection signals; a control part(120) for comparing levels of the detection signals outputted from the detection part with a signal level range that has been preset relative to the detection signals, and controlling temperature of the ignition furnace and drive of the sintering car according to the comparison results; a temperature control part(140) for controlling temperature of the ignition furnace according to temperature control signals from the control part; and a drive part(150) for controlling speed of the sintering car according to drive control signals from the control part. The sintered ore manufacturing apparatus further comprises a display part(130) for displaying the surface ignition state of the raw materials as images.

Description

Sintered ore manufacturing apparatus that can easily detect the surface ignition state of blended raw materials {PRODUCING APPARATUS FOR SINTERED ORE HAVING EASILY SEACHING SURFACE COMPLEXING OF RAW MATERIAL}

BRIEF DESCRIPTION OF THE DRAWINGS The block diagram which shows the sintered ore manufacturing apparatus of this invention.

2 is a front view showing a detection unit employed in the sintered ore manufacturing apparatus of the present invention.

3 is a block diagram showing a control unit employed in the sintered ore manufacturing apparatus of the present invention.

4 is a graph used for temperature control and drive control of a control unit employed in the sintered ore manufacturing apparatus of the present invention.

<Detailed Description of Major Symbols in Drawing>

100 ... sintered light manufacturing unit 110 ... detector

111 ... support 112 ... magnetic sensor

113.Signal collector 120 ... Control section

121 ... Signal Converter 122 ... Microcontroller

123 ... Video signal generator 130 ... Display section

140 ... Thermostat

The present invention relates to a sintered ore manufacturing apparatus that can easily detect the surface ignition state of the blended raw material, and more particularly, the surface of the blended raw material capable of controlling the surface ignition of the sintered ore by detecting the surface ignition state of the sintered ore from the ignition furnace in real time. It is related with the sintered ore manufacturing apparatus by which complex state detection is easy.

Sintered ore, which is used as the main charging material in blast furnaces, is manufactured by sintering the raw materials such as iron ore, limestone, serpentine, etc., and raw materials mixed with fuel and blast furnace self-glossy.

Such sintered ore is drawn into the blended material by the negative pressure sucked from the lower part of the ignition furnace after the blended raw material loaded in the sintering machine passes through the ignition furnace, and then sintered slowly. Otherwise, the blended raw material is not sintered and is discharged as it is.

In the above-described case, since the sintering process is detected after a considerable time has elapsed since the change in temperature and pressure has occurred, there is a problem in that loss of the compounding material occurs, resulting in disruption in producing the sintered ore.

In order to solve the above problems, it is an object of the present invention to provide a sintered ore manufacturing apparatus that can easily detect the sintered ore from the ignition furnace in real time to control the surface ignition of the sintered ore.

In the sintered ore manufacturing apparatus that can easily detect the surface ignition state of the blended raw material of the present invention to achieve the above object, in the sintered ore manufacturing apparatus for producing a sintered ore by complexing the surface of the blended raw material loaded on the sintering machine bogie through an ignition furnace, A detection unit for detecting the surface ignition state of the blended raw material from the ignition furnace by using electromagnetic induction, and comparing the voltage level of the detection signal from the detection unit with a preset voltage level to compare the temperature of the ignition furnace with the sintering machine. A control unit for controlling the drive of the bogie, a temperature control unit for adjusting the temperature of the ignition furnace according to the temperature control signal from the control unit, and a drive unit for adjusting the speed of the sintering machine bogie in accordance with the drive control signal from the control unit Characterized in that it comprises a.

According to one embodiment of the invention, the detection unit is fixed to the support in the width direction of the sintering machine, and fixed to the support, and magnetically reacts with the iron component contained in the surface of the blended raw material to the surface of the blended raw material At least one magnetic sensor for detecting the ignition state, and a collector for collecting the magnetic signal from the magnetic sensor and outputs the detection signal.

In addition, according to one embodiment of the present invention, the magnetic sensor may be a Hall sensor.

According to one embodiment of the invention, the control unit is a signal converter for normalizing the detection signal from the detection unit to a predetermined content of the iron component to convert the data, and the data from the signal converter and a preset reference data range And a micro controller for outputting a temperature and driving control signal for controlling temperature and driving, and a D / A converter for converting a control signal from the micro controller into an analog signal.

In addition, according to one embodiment of the present invention, the microcontroller controls the maintenance of the temperature of the ignition furnace and the driving speed of the sinterer bogie when the data from the signal converter is within the reference data range, and the data When the temperature is lower than the reference data range, the temperature of the ignition furnace and the driving speed of the sintering machine bogie are controlled. If the data is higher than the reference data range, the temperature of the ignition furnace is lowered and the sintering machine bogie is driven. The increase in speed can be controlled.

According to one embodiment of the invention, the sintered ore manufacturing apparatus may further include a display unit for displaying the surface ignition state of the compounding material, so that the microcontroller is an image control signal for imaging the data from the signal converter The controller may further include an image signal generator configured to generate an image signal for imaging the surface ignition state of the compounding material according to an image control signal from the microcontroller.

According to one embodiment of the invention, the temperature control unit may adjust the temperature of the ignition furnace by adjusting the amount of coal gas flowing into the ignition furnace in accordance with the temperature control signal from the control unit.

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

BRIEF DESCRIPTION OF THE DRAWINGS It is a block diagram which shows the sintered ore manufacturing apparatus of this invention.

Referring to FIG. 1, the sintered ore manufacturing apparatus 100 of the present invention includes a detector 110, a controller 120, a display unit 130, a temperature controller 140, and a driver 150.

The detection unit 110 detects the surface ignition state of the blended raw material 4 from the blending furnace 3 flowing into the sintering furnace 2 into the sintering machine trolley 1.

The controller 120 receives a detection signal from the detector 110 and outputs an image signal, a temperature control signal, and a driving control signal.

The display unit 130 receives the image signal from the control unit 120 and displays the surface ignition state of the blended raw material 4 as an image.

The temperature controller 140 adjusts the temperature of the ignition furnace 2 according to the temperature control signal from the controller 120. The temperature controller 140 may control the temperature of the ignition furnace 2 by controlling the flow rate of Coke Oven Gas (COG) flowing into the ignition furnace 2.

The driving unit 150 adjusts the driving speed of the novel machine trolley 1 according to the driving control signal from the control unit 120.

2 is a front view showing a detection unit employed in the sintered ore manufacturing apparatus of the present invention.

Referring to FIG. 2, the detector 110 includes a support 111, a magnetic sensor 112, and a collector 113.

The support 111 is fixed and supported so that the magnetic sensor 112 is located near the ignition furnace 2 so as to sense the surface ignition state of the blended raw material 4.

The magnetic sensor 112 electromagnetically reacts with the iron (Fe) component distributed on the surface of the blended raw material 4 to output a current signal. The magnetic sensor 112 may exist in plurality, and may be fixed in a straight line at a predetermined interval from each other on the support.

The collector 113 collects a current signal from the magnetic sensor 112 and transmits the current signal to the controller 120.

It is a block diagram which shows the control part employ | adopted in the sintered ore manufacturing apparatus of this invention.

Referring to FIG. 3, the controller 120 includes a signal converter 121, a microcontroller 122, an image signal generator 123, and a D / A converter 114.

The signal converter 121 converts the detection signal from the detector 110 into data and transmits the signal to the microcontroller 122.

The microcontroller 122 includes a multiplexer for separating the data therein, an input / output buffer for storing the separated data, a D / A converter for converting the stored data into an analog signal, an image program for imaging the data, and the D / A converter. And an arithmetic operation for calculating a correction value used for temperature control and drive control using an analog signal, and outputs a temperature control signal, a drive control signal and an image control signal.

The calculator of the microcontroller 122 described above may be separated by the control device of the sintering machine.

The image signal generator 123 receives the image control signal from the microcontroller 122 and transmits the image signal for imaging the data to the display unit 130.

The image signal generator 123 may be configured as a graphic driver and may also be implemented in software.

The temperature control signal and the driving control signal from the microcontroller 122 are transmitted to the temperature controller 140 and the driver 150, respectively.

4 is a graph used for temperature control and drive control of a control unit employed in the sintered ore manufacturing apparatus of the present invention.

Referring to FIG. 4, a of FIG. 4 is a graph showing the ignition state of the blended raw material 4 detected from the detection unit 110 employed in the present invention, and b and c of FIG. The temperature of the ignition furnace 2 and the speed of the sintering machine bogie 1 controlled by the temperature adjusting unit 140 and the driving unit 150 by outputting a temperature control signal and a driving control signal in accordance with FIG. Indicates.

Hereinafter, with reference to the drawings will be described in detail the operation and effect of the present invention.

1 to 4, first, the blended raw material 4 loaded on the sintering machine trolley 1 passes through the ignition furnace 2 and the surface is ignited.

At this time, by installing the support 111 in the width direction of the sintering machine (1) at the outlet of the ignition furnace (2) and fixing the magnetic sensor 112 made of a Hall (Hall) sensor in the support 111 to the blended raw material (4) The magnetism of the raw material on which the surface is complexed is measured. The surface of the blended raw material contains iron ore and the iron ore is melted while passing through the ignition furnace (2) is mixed in the blended raw material.

Depending on the degree to which iron ore is melted and complexed on the surface of the blended material, it will react with the magnetic sensor 112 magnetically large or small. If the iron ore is not complexed to the surface of the blended material, it will not magnetically react with the magnetic sensor 112. Will not.

The measured magnetism is transmitted to the collector 113 as a magnetic signal, and the magnetic signal collected through the collector 113 is transmitted to the controller 120 as a detection signal having a corresponding current.

 The signal converter 121 converts the detection signal into data and transmits the detected signal to the microcontroller 122 in an RS-232 manner.

The microcontroller 122 controls to display the current sintering progress state by graphically displaying the surface ignition state of the blended raw material 4 on the image signal generator 123 using the input data.

The image signal generator 123 outputs an image signal according to the image control signal of the microcontroller 122 and transmits the image signal to the display unit 130. The display unit 130 receives an image signal and ignites the surface of the blended raw material 4. Image the status in real time.

That is, the multiplexer of the microcontroller 122 separates and stores the data from the signal converter 121 and is stored in the input / output buffer. The stored data is converted into an image signal by the image signal generator 123 after the color image data is output to the display unit 130, and the output of the input / output buffer is converted into analog in the D / A converter and output.

Since the surface ignition of the blended raw material is ignited at the optimum temperature condition by controlling the temperature of the ignition furnace, the data from the signal converter 121 is converted into analog and input to the calculator, and the calculator is a preset reference data. If the temperature is within the range, the temperature control signal corresponding to the correction value maintained to maintain the current temperature is output. If the data is higher than the upper limit value of the reference data range, the flow rate setting correction value of coal gas (COG) is reduced and the corresponding temperature. The control signal is output, and when the data is lower than the lower limit of the reference data range, the flow rate setting correction value of coal gas is increased to output a corresponding temperature control signal.

Referring to a of FIG. 4, the reference data range is from L to H, and the controller 120 controls to lower the temperature as shown in b of FIG. 4 when the data is higher than the upper limit value H of the reference data range. If lower than the lower limit value (L), the temperature is controlled to increase.

The temperature controller 140 adjusts the flow rate of the coal gas according to the temperature control signal to raise or lower the furnace temperature of the ignition furnace 2 so that the ignition state of the surface of the blended raw material 4 is optimally maintained.

In addition, the calculator maintains a current sintering machine speed correction value and outputs a driving control signal corresponding to the data when the data is within a preset reference data range, and the data is the upper limit of the reference data (H in FIG. 4C). ) Or the lower limit value (L in FIG. 4) decreases or increases the sintering speed compensation value and outputs a corresponding driving control signal.

Accordingly, the driving unit 150 adjusts the driving speed of the sintering machine trolley 1 according to the driving control signal so that the ignition state of the surface of the blended raw material 4 is optimally maintained.

It is intended that the invention not be limited by the foregoing embodiments and the accompanying drawings, but rather by the claims appended hereto. In addition, it will be apparent to those skilled in the art that the present invention may be substituted, modified, and changed in various forms without departing from the technical spirit of the present invention described in the claims.

As described above, according to the present invention, by detecting the surface ignition state of the blended raw material in real time, the ignition state can be easily identified with the naked eye. The blended raw material is controlled by adjusting the temperature of the ignition furnace and the speed of the sintering machine truck according to the surface ignition state. By optimizing the surface ignition state of the sintering is prevented from proceeding in the surface non-complexed state has an effect that can increase the yield of sintered ore.

Claims (8)

In the sintered ore manufacturing apparatus for producing a sintered ore by complexing the surface of the blended raw material loaded on the sintering machine truck through an ignition furnace, A detector which magnetically reacts with the iron component distributed on the surface of the blended raw material from the ignition furnace to detect a surface ignition state of the blended raw material and output a detection signal; A control unit for comparing the level of the detection signal output from the detection unit with a signal level range previously set for the detection signal and controlling the temperature of the ignition furnace and driving of the sintering machine cart according to the comparison result; A temperature controller for controlling the temperature of the ignition furnace in accordance with a temperature control signal from the controller; Driving unit for adjusting the speed of the sintering machine bogie in accordance with the drive control signal from the controller Sintered ore manufacturing apparatus that is easy to detect the surface ignition state of the blended raw material comprising a. The method of claim 1, wherein the detection unit A support installed in the width direction of the sintering machine; At least one magnetic sensor fixed to the support and magnetically reacting with an iron component contained on the surface of the blended material to detect a surface ignition state of the blended raw material and output a magnetic signal; And A collector which collects the magnetic signal output from the magnetic sensor and outputs the detection signal having a corresponding current Sintered ore manufacturing apparatus that is easy to detect the surface ignition state of the blended raw material comprising a. The method of claim 2, The magnetic sensor is a Hall (Hall) sensor, characterized in that the sintered ore manufacturing apparatus that is easy to detect the surface ignition state of the blended raw material. The method of claim 1, wherein the control unit A signal converter for converting the detection signal output from the detection unit into data representing a content ratio of a predetermined iron component; And A microcontroller for outputting a temperature and drive control signal for controlling temperature and drive by comparing the data from the signal converter with a preset reference data range Sintered ore manufacturing apparatus that is easy to detect the surface ignition state of the blended raw material comprising a. The method of claim 4, wherein The microcontroller controls the maintenance of the temperature of the ignition furnace and the driving speed of the sintering machine bogie if the data from the signal converter is within the reference data range, and if the data is lower than the reference data range, Controlling the rise of the temperature and the decrease of the drive speed of the sinterer bogie, and if the data is higher than the reference data range, the decrease of the temperature of the ignition furnace and the rise of the drive speed of the sinter bogie Sintered ore manufacturing apparatus that is easy to detect the surface ignition state of the blended raw material. The method of claim 4, wherein The sintered ore manufacturing apparatus further comprises a display unit for displaying an image of the surface ignition state of the blended material, the sintered ore manufacturing apparatus easy to detect the surface ignition state of the blended raw material. The method of claim 6, The microcontroller outputs an image control signal for imaging the data from the signal converter, The control unit may further include an image signal generation unit configured to generate an image signal for imaging the surface complex state of the compounding material in accordance with an image control signal from the microcontroller. Manufacturing device. The method of claim 1, The temperature control unit is easy to detect the surface ignition state of the blended raw material, characterized in that for controlling the temperature of the ignition furnace by adjusting the amount of coal gas flowing into the ignition furnace according to the temperature control signal from the control unit Device.

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