KR20030024247A - Apparatus for uniformly watering water - Google Patents

Abstract

PURPOSE: An apparatus for equally spraying supplementary water into sintering mixer is provided to increase sintering productivity by installing a plural water spraying pipes having different installation position of injection nozzles into the mixer and constantly maintaining hydraulic pressure of each injection nozzles. CONSTITUTION: In an apparatus for equally spraying supplementary water into sintering mixer, wherein adding water is sprayed onto blended raw materials inside a sintering mixer through a supplementary water pipe(5), the apparatus comprises a plural water spray pipes(24 to 27) in which a plural pipes are connected to the supplementary water pipe(5), the plural pipes are extended to the inside of the mixer, and at least one or more nozzles(6) are installed on each of the plural pipes; a pressure equalization port(21) that is installed between the supplementary water pipe(5) and plural water spray pipes(24 to 27) to equally maintain pressure of the plural water spray pipes(24 to 27); a flow rate detector(8) that is installed on the supplementary water pipe(5) to detect a supplementary water amount passing through the supplementary water pipe(5); an equal water spray adjusting part for providing valve open and shut adjusting signals according to the supplementary water amount detected at the flow rate detector(8); and an electronic valve part(70) comprising a plural electronic valves for opening or closing relevant nozzles in the plural nozzles according to valve adjusting signals of the equal water spray adjusting part.

Description

Addition Water Uniform Sprinkler for Sintered Mixer {APPARATUS FOR UNIFORMLY WATERING WATER}

The present invention relates to a uniform sprinkling system for adding water to a sintered mixer. In particular, in the mixing and assembling of blended raw materials during the sintering process, a plurality of sprinkling pipes having different spray nozzle installation positions are installed in the mixer, and the detected addition is performed. By adjusting the spray nozzles of the spray pipe according to the quantity, the hydraulic pressure of each spray nozzle can be kept constant, so that the added water can be evenly sprayed on the blended raw materials in the sintered mixer, improving the efficiency of mixing and assembling the blended raw materials. The present invention relates to a uniform water sprinkler for adding water to a sintered mixer, which can increase the sintering productivity.

In general, raw materials and fuels imported from raw material yards are introduced into respective storage tanks of ore bins, and each of the predetermined amount is cut out to meet the specifications of the product by a quantitative cutting device installed under the hopper and transported through a transport belt. It is put into the mixer to mix, add moisture, and assemble inside the mixer.

FIG. 1 is a schematic diagram of a conventional water sintering mixer, referring to FIG. 1, a conventional water sintering mixer may include a mixer 1, a mixer body 2, a mixer driving apparatus 3, and transport. It consists of a belt (4), additive water pipe (5), injection nozzle (6), shutoff valve (7), flow rate transmitter (8), flow control valve (9), compounding material (10), and pipe support (28). have.

In the conventional sintered mixer addition water apparatus, the insufficient water is mixed in the mixer in order to adjust the moisture content of the blended raw materials introduced into the mixer within the range of 6.0% -7.0% during mixing, adding water and cooking in the mixer. Water is added during the process, but the amount of water added is controlled by the control valve installed in the addition water line. The mixing water inside the mixer has several nozzles in one pipe. Since it is installed at regular intervals, when the added water is used more than 10T / H, it is sprayed uniformly in the injection nozzle by the pressure in the pipe, so that it can be evenly sprayed on the blended raw materials to increase the mixing and granulation effect.

However, when it is lowered to 10T / H or less, for example, 8T / H or 6T / H, as shown in FIGS. 2A to 2D, the pressure in the tube is lowered, so that the smooth injection is not performed at the injection nozzle. As a result, the mixing and granulation effects are remarkably lowered, resulting in adverse effects on sintering productivity and quality.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and therefore, an object of the present invention is to install a plurality of spraying pipes having different spray nozzle installation positions in a mixer in a mixing and assembling process of a blended raw material during the sintering process. By adjusting the spray nozzles of the spraying pipe according to the detected amount of added water, the hydraulic pressure of each spray nozzle can be kept constant, so that the additive water can be uniformly sprayed on the blended raw material in the sintered mixer, and the blended raw materials are mixed and It is possible to improve the efficiency of the assembly, and thus to provide a uniform water spraying device for the addition of the sintering mixer which can increase the sintering productivity.

1 is a schematic diagram of an apparatus for adding water of a conventional sintering mixer.

2 is an exemplary view of a nozzle spraying state by an additive water device of a conventional sintering mixer.

3 is a block diagram of the uniform water spraying device of the sintered mixer according to the present invention.

4 is a detailed view of an embodiment of each circuit part of the uniform sprinkling control unit of FIG. 3.

5 is a detailed view of the sprinkling pipe of FIG. 3.

Figure 6 is a raw material-added number correlation graph according to the present invention.

Explanation of symbols on the main parts of the drawings

1: mixer 2: mixer body

3: mixer drive device 4: transport belt

5: added water pipe 6: spray nozzle

7: isolation valve 8: flow rate detector

9: flow rate control valve 10: blended raw materials

21 equalization pot 22 pressure gauge

23: solenoid valve 24-27: first to fourth watering pipe

28: pipe support 29: fifth water pipe

30: comparison unit 40: timer unit

50: relay drive unit 60: relay unit

70: solenoid valve

As a technical means for achieving the above object of the present invention, the apparatus of the present invention is the addition water uniform sprinkling apparatus of the sintered mixer for injecting the addition water to the blending material inside the sintered mixer through the addition water pipe, the addition A plurality of pipes connected in common to the water pipes, the plurality of pipes extending into the mixer and having at least one nozzle in each of the pipes; A pressure equalizing port installed between the additive water pipe and the plurality of watering pipes to equally maintain pressure in the plurality of watering pipes; A flow rate detector installed in the additive water pipe and detecting the amount of added water passing through the additive water pipe; A uniform sprinkling adjusting unit for providing a valve opening / closing control signal according to the amount of the added water detected by the flow rate detector; And a solenoid valve unit including a plurality of solenoid valves to open and close the corresponding nozzles among the plurality of nozzles according to the valve control signal of the uniform water spray adjustment unit.

Hereinafter, with reference to the accompanying drawings, the structure and operation of the additive water uniform sprinkler of the sintered mixer according to the present invention will be described in detail. In the drawings referred to in the present invention, components having substantially the same configuration and function will use the same reference numerals.

3 is a schematic diagram of a uniform water sprinkler of the additive water of the sintered mixer according to the present invention. Referring to FIG. 3, the uniform water sprinkler of the additive water of the sintered mixer according to the present invention is a sintered mixer ( 2) In the additive water uniform sprinkler of the sintered mixer injecting the additive water into the compounding material 10 therein, a plurality of pipes are commonly connected to the additive water pipe 5, and the plurality of pipes are the mixers. A plurality of sprinkling pipes extending inward and provided with at least one nozzle in each of the plurality of pipes; A pressure equalizing port (21) installed between the additional water pipe (5) and the plurality of watering pipes to maintain pressures of the plurality of watering pipes evenly; A flow rate detector (8) installed in the additional water pipe (5) for detecting the amount of additional water passing through the additional water pipe (5); A uniform sprinkling adjusting unit for providing a valve opening / closing control signal according to the amount of the added water detected by the flow rate detector (8); And a solenoid valve unit 70 including a plurality of solenoid valves that open and close the corresponding nozzles among the plurality of nozzles according to the valve control signal of the uniform water spray adjustment unit.

The equalizing sprinkling adjusting unit sets a plurality of different reference values Vref1-Vref4 in advance, and includes a comparator 30 configured to compare the detected value of the flow rate detector 8 with each of the plurality of reference values. And a timer unit 40 connected to a plurality of comparators of the comparator 30 and including a plurality of timers operating for a set time according to the output of each comparator, and a plurality of timers 40. A relay driver 50 connected to each timer and including a plurality of relay drivers for providing a corresponding driving signal when each timer is operated; And a relay unit 60 connected to a plurality of relay drivers of the relay driver 50 and including a plurality of relays operated by a driving signal of each relay driver.

The pressure equalizing port includes a pressure gauge 22 for detecting and displaying a pressure between the additive water pipe 5 and the plurality of watering pipes, and the watering pipes 24-27 include respective watering pipes 24-27. Install a control valve (23) to control the closing of the.

FIG. 4 is a detailed view of one embodiment of each circuit unit of the uniform sprinkling control unit of FIG. 3, and an embodiment of each circuit unit of the uniform sprinkling control unit will be described with reference to FIG. 4.

The comparator 30 includes four comparators 31-34 for comparing the preset amount of water detected by the flow rate detector 8 with different reference voltages Vref1-Vref4 which are set in advance. (31-34) is configured to receive the added quantity value detected by the non-inverting (+) terminal, and to receive the corresponding reference voltage as the inverting (-) terminal, each of the reference voltage through the control of the variable resistor It is configured to be changed.

The timer unit 40 includes four timers 41-44, each connected to the outputs of the four comparators 31-34, each timer 41-44 having a general flip-flop (f / f). ) Or a timer 555 or the like, and each of the timers 41-44 operates when the corresponding comparator is output among the four comparators 31-34 to provide an output. The output of each timer 41-44 is maintained for a preset time.

As a specific example, referring to Fig. 4, the timers 41-44 are constituted by low-active timer ICs T1-T4, and the inverted and input values of the outputs of the timers T1-T4 are determined. It may include AND gates. Accordingly, each of the timers 41-44 is configured to provide a drive signal to the relay driver 50 when the input is high level and the output of the timer ICs T1-T4 is high level.

The relay driver 50 includes four relay drivers 51-54 connected to the outputs of the four timers 41-44 of the timer unit 40, respectively, and the four relay drivers 51-54. ) Are each composed of transistors Q1-Q4 that are turned on by the output of the corresponding timer.

The relay unit 60 includes four relays 61-64 connected to the outputs of the four relay drivers 51-54, each of which is operated by a corresponding relay driver. It is configured to operate according to the opening and closing control signal to the corresponding solenoid valve of the solenoid valve unit 70.

In addition, the solenoid valve unit 70 includes four solenoid valves 71-74 connected to the outputs of the four relays 61-64, and each of the four solenoid valves 71-74 is described above. The four solenoid valves (71-74) are configured to open and close corresponding nozzles respectively installed in a plurality of spraying pipes. Is installed to be opened and closed sequentially by the solenoid valve 71-74.

In the above-described configuration, in the setting example of the adjustment of the solenoid valve according to the amount of addition, the solenoid valve is opened / closed according to the amount of addition. When the amount of addition is more than 2T / H, the solenoid valve of 24 is opened. 25 solenoid valves above 4T / H, 26 solenoid valves above 6T / H, and 27 solenoid valves above 8T / H, while the amount of addition is less than 8T / H days. 27 solenoid valves, 26 solenoid valves for 6T / H or less, 25 solenoid valves for 4T / H or less, and 24 solenoid valves for 2T / H or less. This can be set differently according to the environment or situation to which the apparatus according to the present invention is applied at the time of application.

Description of the above configuration is only one embodiment of the present invention, the present invention is not limited to the above configuration, and various changes and modifications are possible.

FIG. 5 is a detailed view of the sprinkling pipe of FIG. 3. Referring to FIG. 5, the sprinkling pipe includes nozzles for injecting additional water, respectively, and the nozzles of the plurality of sprinkling pipes are added to different locations. Is installed in the spraying pipe so as to spray, the plurality of solenoid valve of the solenoid valve unit 70 is configured to open and close the nozzle in accordance with the detected amount of addition water.

Figure 6 is a raw material-added number correlation graph according to the present invention.

Based on the accompanying drawings, the operation of the preferred embodiment of the present invention configured as described above will be described in detail below.

Referring to FIGS. 3 to 6, the operation of the additive water uniform sprinkler of the sintered mixer according to the present invention will be described. In the additive water uniform sprinkler of the sintered mixer of the present invention, the additive water pipe 5 and the pressure equalizing port ( 21), through the plurality of sprinkling pipes 24-27 and nozzles, the addition water is injected into the compounding material inside the sintering mixer 2, wherein the amount of the added water is generally dependent on the amount of the compounding material, If the amount of raw materials is increased, the amount of supply of the added water increases, so that the pressure of the added water pipe is increased.

In this process, by automatically adjusting the opening and closing of the nozzle according to the amount of addition, the addition water can be uniformly sprayed on the compounding material in the sintered mixer, which will be described in detail as follows.

First, referring to FIG. 3, once, the additive water is added to the blended raw material inside the sintering mixer 2 through the additive water pipe 5, the equalization port 21, the plurality of spraying pipes 24-27 and the nozzle. When the spraying process is performed, the addition water uniform watering device of the sintered mixer of the present invention is interlocked, and at this time, the flow rate detector 8 is installed in the addition water pipe 5 to add the water through the addition water pipe 5. The amount of water is detected and provided to the uniform water spray control unit of the present invention. The uniform water spray control unit provides a valve opening / closing control signal to the solenoid valve unit 70 according to the amount of water added detected by the flow rate detector 8. The valve unit 70 opens and closes the corresponding nozzle among the plurality of nozzles according to the valve control signal of the uniform water spray adjustment unit.

Referring to FIGS. 3 and 4, the comparison unit 30 included in the equalization sprinkling control unit sets a plurality of different reference values Vref1-Vref4 in advance, and detects the values of the flow rate detector 8 and the above values. Comparing each of the plurality of reference values, wherein the reference values (Vref1-Vref4) are different reference values for determining the amount of addition step by step, for example, among the reference values, Vref1 is 2T / H, Vref2 is 4T / H, and Vref3 is 6T / H and Vref4 may be set to correspond to 8T / H. In this case, when the added water is 2T / H or more, the comparator 31 of the comparator 30 outputs "high level", and when 4T / H or more, the two comparators 31 and 32 are "high level". ", And if more than 6T / H, three comparators 31, 32, 33 output" high level "; if more than 8T / H, four comparators 31, 32, 33.44 are" High level ". Referring to "a-e" in the compounding material-added water correlation graph shown in FIG. 6, the relationship between the added water and the compounding material can be seen.

Each of the plurality of timers 41-44 of the timer unit 40 is connected to a plurality of comparators 31-34 of the comparator 30, respectively, and is set according to each output of the comparator 31-34. It operates for a time and outputs and maintains a "high level", and after a set time, it outputs a "low level". If a high level is output from the connected comparator, the "high level" is output again.

The plurality of relay drivers 51-54 of the relay driver 50 are connected to the plurality of timers 41-44 of the timer unit 40, respectively, and provide corresponding driving signals when each timer is operated. The transistors Q1 to Q4 constituting each of the relay drivers 51 to 54 are turned on according to a driving signal of a corresponding timer to operate the corresponding relay of the relay unit 60.

The plurality of relays 61-64 of the relay unit 60 are connected to the plurality of relay drivers 51-54 of the relay driver 50, and operate by driving signals of the respective relay drivers. The corresponding solenoid valve of the solenoid valve part 70 connected by the operation of (61-64) is opened or closed, so that the added water through the open solenoid valve is connected to the sprinkling pipe (24-27). It is sprayed into the sintering mixer through the nozzle installed in).

As described above, in the present invention, by automatically adjusting the opening and closing of the nozzle in accordance with the amount of addition water, as shown in the compounding material-addition number correlation graph shown in FIG. 6, the addition water can be supplied in proportion to the amount of the compounding material. It will be possible.

On the other hand, the pressure equalizing port 21 maintains the pressures of the plurality of sprinkling pipes 24-27 uniformly, and the pressure is detected and displayed through the pressure gauge 22.

The present invention as described above can be applied not only to the sintering mixer, but also to an apparatus or system for spraying a liquid such as water through a nozzle.

According to the present invention as described above, in the mixing and assembling process of the blended raw materials during the sintering process, a plurality of spraying pipes having different spray nozzle installation positions are installed in the mixer and spraying the spraying pipe according to the detected amount of added water. By adjusting the nozzle to maintain a constant hydraulic pressure of each injection nozzle, the additives can be evenly sprayed on the blended raw materials in the sintered mixer, thereby improving the efficiency of mixing and assembling the blended raw materials. There is a special effect that can increase productivity.

The above description is only a description of specific embodiments of the present invention, and the present invention is not limited to these specific embodiments, and various changes and modifications of the configuration are possible from the above-described specific embodiments of the present invention. It will be apparent to those skilled in the art to which the present invention pertains.

Claims (5)

In the additive water uniform sprinkler of the sintered mixer in which the additive water is injected into the blended raw material 10 in the sintered mixer 2 through the additive water pipe 5, A plurality of pipes are commonly connected to the additive water pipe 5, and the plurality of pipes extend into the mixer, and each of the plurality of sprinkling pipes having at least one nozzle 6 installed in each of the plurality of pipes ( 24-27); A pressure equalizing port (21) installed between the additional water pipe (5) and the plurality of watering pipes to maintain pressures of the plurality of watering pipes evenly; A flow rate detector (8) installed in the additional water pipe (5) for detecting the amount of additional water passing through the additional water pipe (5); A uniform sprinkling adjusting unit for providing a valve opening / closing control signal according to the amount of the added water detected by the flow rate detector (8); And And a solenoid valve part (70) including a plurality of solenoid valves for opening and closing the corresponding nozzles among the plurality of nozzles according to the valve control signal of the uniform sprinkler adjusting part. According to claim 1, wherein the equalizing water spray control unit A comparison unit 30 which sets a plurality of different reference values Vref1-Vref4 in advance and includes a plurality of comparators for comparing the detected values of the flow rate detector 8 with each of the plurality of reference values; A timer unit 40 connected to each of the plurality of comparators of the comparator 30 and including a plurality of timers operating for a set time according to the output of each comparator; A relay driver 50 connected to a plurality of timers of the timer unit 40 and including a plurality of relay drivers for providing a corresponding driving signal when each timer is operated; And Addition water of the sintered mixer, characterized in that it comprises a relay unit 60 is connected to a plurality of relay drivers of the relay driver 50, and includes a plurality of relays operated by a drive signal of each relay driver. Device. The pressure equalizing port of claim 1, wherein the pressure equalizing port is And a pressure gauge for detecting and displaying a pressure between the additive water pipe (5) and the plurality of water spray pipes. The water spray pipe (24-27) according to claim 1 A uniform water sprinkler for adding water to a sintered mixer, characterized in that a control valve (23) is provided for adjusting the amount of water in each sprinkling pipe (24-27). The nozzle of claim 1 or 2, wherein each of the plurality of sprinkling pipes It is installed in the corresponding sprinkling pipe to spray the additive water at different positions, The plurality of solenoid valves of the solenoid valve part 70 The uniform water spraying device of the sintered mixer, characterized in that for opening and closing the nozzle according to the detected amount of added water.