KR20170031893A - Apparatus for controlling roller table of furnace and method thereof - Google Patents

Apparatus for controlling roller table of furnace and method thereof Download PDF

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Publication number
KR20170031893A
KR20170031893A KR1020150129434A KR20150129434A KR20170031893A KR 20170031893 A KR20170031893 A KR 20170031893A KR 1020150129434 A KR1020150129434 A KR 1020150129434A KR 20150129434 A KR20150129434 A KR 20150129434A KR 20170031893 A KR20170031893 A KR 20170031893A
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KR
South Korea
Prior art keywords
section
adjacent
charging
roller table
loaded
Prior art date
Application number
KR1020150129434A
Other languages
Korean (ko)
Inventor
전재현
Original Assignee
주식회사 포스코
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 주식회사 포스코 filed Critical 주식회사 포스코
Priority to KR1020150129434A priority Critical patent/KR20170031893A/en
Publication of KR20170031893A publication Critical patent/KR20170031893A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/40—Arrangements of controlling or monitoring devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/02—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment

Abstract

The present invention relates to an apparatus arranged on an entrance side of a furnace to control each section on a roller table divided into a plurality of sections, comprising: a tracking sensor unit individually arranged on an entrance of the sections, recognizing a material loaded on the roller table to be transferred; a weight sensor unit individually arranged on an end of the sections, recognizing the material loaded on the roller table to be transferred; and a table driving unit receiving position information of the material from the tracking sensor, receiving position information of the material from the weight sensor unit to individually drive the roller table divided into the sections.

Description

[0001] The present invention relates to a roller table control apparatus for a heating furnace,

The present invention relates to an apparatus and a method for controlling a roller table of a heating furnace, and more particularly, to an apparatus and method for controlling a roller table of a heating furnace, To minimize the movement time of the roller table to the sheet feeding section.

In a steel product manufacturing process, a material heated to a predetermined temperature through a heating furnace leads to a hot rolling process, and the material has a desired thickness through the hot rolling process.

1 is a front view showing a roller table and tracking sensors disposed at the entrance side of a heating furnace.

The automatic two-sided automatic work configuration of the heating furnace has the material 2 on the input side roller table T3. If there is no material on the roller table T2, the roller table T1 and the roller table T2 are operated at a high speed, Thereby advancing the work 1 on the workpiece T1.

When the material 1 is turned on by the tracking sensor S2, the roller table T1 and the roller table T2 are switched to low speed and the tracking sensor S2 is turned off The material 1 waits on the roller table T2 while the material 2 is present on the roller table T3 on the entrance side where the inputting tables T1 and T2 are stopped at the time point.

When the material 1 on the roller table T3 is loaded into the heating furnace and disappeared from the roller table T3, the roller tables T1 and T2 are operated at a high speed and then switched to low speed when the tracking sensor S3 senses do.

When the tracking sensor S3 is turned on, the roller tables T1 and T2 are switched to low speed. When the tracking sensor S3 is turned off, (T3), and waits to be loaded into the heating furnace.

 There is a problem that the waiting position of the material slab is stopped at the front end of the input roller table, and the advance distance is increased in the next automatic movement, resulting in a delay of the conveyance time due to the movement of the material.

Japanese Patent Application No. 1996-024397 Korean Patent Application No. 1998-0018636

The apparatus and method for controlling a roller table of a heating furnace according to the present invention are devised to solve the above-mentioned problems of the prior art. And a roller table control device for controlling the roller table.

The solution of the present invention is not limited to those mentioned above, and other solutions not mentioned can be clearly understood by those skilled in the art from the following description.

An apparatus and a method for controlling a roller table of a heating furnace according to the present invention have the following problems in order to solve the above problems.

The apparatus for controlling a roller table of a heating furnace according to the present invention is an apparatus for controlling a roller table partitioned by a plurality of sections, which are arranged at the entrance of a heating furnace, for each section, A tracking sensor unit for recognizing a material to be loaded on the table and transferred; A weight sensor unit disposed at the end of the plurality of sections and recognizing a material to be stacked and transported on the roller table; And a table driving unit for receiving position information of the material from the tracking sensor unit, receiving positional information of the material from the weight sensor unit, and driving the roller tables partitioned by a plurality of sections individually .

The plurality of sections of the roller table control apparatus of the heating furnace according to the present invention include a charging section in which the material is loaded and charged into the furnace entrance of the heating furnace; An adjacent section in which the charging section is adjacent to the charging section and causes the material to wait or transfer to transfer the material to the charging section; And a separation section that is spaced apart from the charging section and adjacent to the adjacent section to allow the material to be transferred to the adjacent section to wait or transfer.

The tracking sensor unit of the roller table control apparatus of the heating furnace according to the present invention may be disposed at the beginning of the charging section, the adjacent section and the separation section, respectively.

The weight sensor unit of the roller table control apparatus of the heating furnace according to the present invention may be arranged at the end of the charging section, the adjacent section and the separation section, respectively.

The table driving unit of the roller table control apparatus of the heating furnace according to the present invention is characterized in that when the material is recognized to exist in the loading section, the material is transferred to the position at which the weight sensor unit recognizes the adjacent section, .

The table driving part of the roller table control device of the heating furnace according to the present invention is characterized in that when the material is recognized as being present in the loading section, the material is not loaded in the adjacent section but the material is loaded in the separation section The weight sensor of the adjacent section is moved to a position at which the material is recognized, and waits.

The table driving unit of the roller table control apparatus of the heating furnace according to the present invention stops the roller table of the separation section when the tracking sensor unit recognizes that the material of the separation section is transferred to the area of the adjacent section, And the roller table in the adjacent section decelerates.

The apparatus for controlling a roller table of a heating furnace according to the present invention may further comprise an extractor driving unit for charging the material loaded in the loading zone into the heating furnace.

The table driving part of the roller table control device of the heating furnace according to the present invention is characterized in that when the extractor driving part loads the material of the loading section into the heating furnace, the material of the adjacent section is transferred to the loading section can do.

The table driving part of the roller table control device of the heating furnace according to the present invention is characterized in that when the tracking sensor part arranged in the charging section sequentially recognizes the front end and the rear end of the material, the operation of the charging section is stopped .

A method for controlling a roller table of a heating furnace according to the present invention is a method for controlling a roller table partitioned by a plurality of sections, the roller tables being arranged at an entrance side of a heating furnace, the method comprising the steps of: (a) Sensing whether the material is loaded at the beginning and end of the section; (b) transferring the material in turn to the plurality of sections; (c) waiting the material at the end of the section before the next section if the material is loaded on the material in the next section of the plurality of sections; And (d) transferring the material waiting at the end of the previous section of the next section to the next section when the material loaded in the next section is loaded in the heating furnace. have.

The plurality of sections of the method for controlling the roller table of the heating furnace according to the present invention include: a loading section for loading the material into a furnace entrance of the heating furnace; An adjacent section in which the charging section is adjacent to the charging section and causes the material to wait or transfer to transfer the material to the charging section; And a separation section that is spaced apart from the charging section and adjacent to the adjacent section to allow the material to be transferred to the adjacent section to wait or transfer.

The plurality of sections of the roller table control method of the heating furnace according to the present invention are characterized in that each of the tracking sensor sections is disposed at the beginning of the charging section, the adjacent section and the separation section and the charging section, And recognizing whether or not the material has entered and loaded at the beginning of the section.

The plurality of sections of the heating roller control method according to the present invention are characterized in that each of the weight sensor sections is disposed at the end of the adjacent section and the spacing section, And recognizes whether or not the vehicle is loaded.

In the method of controlling a roller table of a heating furnace according to the present invention, when the material exists in the loading section and the material is not present in the adjacent section, (e) And moving the roller table of the section to the end of the adjacent section to wait for transferring the material.

The step (e) of the method of controlling a roller table of a heating furnace according to the present invention includes the step of stopping the operation of the roller table of the separation section when the material is transferred from the separation section to the adjacent section .

The step (e) of the method of controlling a roller table of a heating furnace according to the present invention may reduce the moving speed of the adjacent section when the material is transferred from the separation section to the adjacent section.

In the step (d) of the method of controlling the roller table of the heating furnace according to the present invention, it is sensed whether or not the material of the next section is loaded, and the material is charged into the heating furnace only when the material is loaded can do.

The apparatus and method for controlling a roller table of a heating furnace according to the present invention having the above-described configuration have the following effects.

First, it is possible to individually control the operation of the roller table and the operation speed by sensing the position of the material on one side of the roller table on the side of the heating furnace.

Secondly, during the process of loading the material at the position of the roller table section loaded into the heating furnace, the material on the roller table of the previous section approaches the position adjacent to the loaded roller table section and is transferred to the last loaded roller table section Thereby minimizing the time delay associated with this.

The effects of the present invention are not limited to those mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the following description.

1 is a front view showing a roller table and tracking sensors disposed at the entrance side of a heating furnace.
2 is a front view showing an attachment state of the weight sensor unit on the heating-roller-side roller table according to an embodiment of the present invention;
3 is a block diagram in accordance with an embodiment of the present invention.

The apparatus and method for controlling a roller table of a heating furnace according to the present invention can make various changes and have various embodiments, and specific embodiments are illustrated in the drawings and described in detail in the description. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

2 is a front view showing an attachment state of the weight sensor unit on the heating-roller-side roller table according to an embodiment of the present invention; 3 is a block diagram in accordance with an embodiment of the present invention.

As shown in FIG. 3, the roller table control apparatus of the heating furnace according to the present invention basically comprises a tracking sensor section 120; A weight sensor unit 130; And a table driving unit 110.

As shown in FIG. 2, the present invention firstly divides the roller table on the heating furnace side into a plurality of sections, which are shown in three compartments as shown in FIG. 2 for convenience.

The tracking sensor unit 120 is disposed at the beginning of each of a plurality of sections, thereby recognizing the materials 1 and 2 entering the plurality of sections.

On the other hand, the weight sensor unit 130 is disposed at the end of a plurality of sections. The weight sensor unit 130 is configured to recognize the materials 1 and 2 that pass through the end of these sections.

Although the table drive unit 110 is basically the same as the drive unit for driving the conventional roller table, as described above, the roller tables T1 to T3 partitioned into a plurality of sections are independently driven And control.

As shown in FIG. 2, the material 2 is loaded on the roller table T3 and then loaded into the entry port of the heating furnace. The roller table T3, which is the rightmost section, is referred to as a loading section .

In order to transport the material adjacent to the charging section in FIG. 2 and to transfer the material to the charging section, the section for waiting or transferring the material is defined as the adjacent section (see T2).

As shown in FIG. 2, the interval shown on the left side of the adjacent interval (see T2) is referred to as a separation interval (see T1), which is spaced apart from the charging interval and adjacent to the adjacent interval. To the adjacent section.

As shown in FIG. 2, the tracking sensor unit 120 may be disposed at each of the charging section, the adjacent section, and the separation section. In the case of the weight sensor section 130, the charging section 120, the adjacent section, Respectively.

As described above, the table driving unit 110 can independently drive these sections. In order to independently drive the table driving unit 110, the sensing information of the tracking sensor unit 120 and the weight sensor unit 130 .

When the material sensor 2 recognizes that the material 2 exists in the charging section, the material 2 is charged into the heating furnace, The roller tables T1 and T2 are controlled and driven so as to be conveyed to a position where the roller tables T1 and T2 are recognized.

As shown in FIG. 2, if it is recognized by the tracking sensor unit 120 or at least the weight sensor unit 130 that the material 2 exists in the charging zone, no material is loaded in the adjacent zone The roller sensors T1 and T2 are moved to the position where the weight sensor unit 130 of the adjacent section recognizes the material on the separation interval. Respectively.

In addition, when the tracking sensor unit 120 recognizes that the work 1 of the separation section is transferred to the area of the adjacent section, the table driving section 110 stops the roller table T1 of the separation section, The roller table T2 of the roller pair T2 is controlled to decelerate and the roller table T2 of the adjacent section is detected by the weight sensor unit 112 to stop the material 1) before entering the charging section.

In addition, as described above, the present invention may further include a loading and unloading unit 140 for loading the material 2 entering the loading zone and waiting for loading into the heating furnace.

In this case, when the long-throw driving part 140 recognizes that the material 2 in the loading section is charged, the table driving part 110 transfers the material 1 waiting in the adjacent section to the loading section.

Then, the table driving unit 110 stops the roller table T3 of the loading section when the tracking sensor units 120 and S3 arranged in the loading section sequentially recognize the front end and the rear end of the material, .

Hereinafter, the roller table control method of the heating furnace according to the present invention will be described.

A method of controlling a roller table of a heating furnace according to the present invention is a method for controlling a roller table partitioned by a plurality of sections, the roller tables being arranged at the entrance side of a heating furnace and having a plurality of sections Sensing whether the material is loaded at the start and end; (b) transferring the material sequentially to a plurality of sections; (c) waiting the material at the end of the section before the next section if the material is loaded on the material in the next section of the plurality of sections; And (d) transferring the material waiting at the end of the previous section of the next section to the next section when the material loaded in the next section is charged into the heating furnace.

As described above, the plurality of sections may also be referred to as a charging section, an adjacent section, and a separation section. In the charging section, the material is loaded into a furnace entrance of the heating furnace, , Adjacent to the loading section and waiting or transporting the material to transport the material to the loading section. In the case of the spacing interval, the material is spaced apart from the charging interval, adjacent to the adjacent interval, and waiting or transferring the material so as to transfer the material to the adjacent interval.

As shown in FIG. 2, each of the plurality of sections is provided with respective tracking sensor sections 120 (S1 to S3) at the beginning of a charging section, an adjacent section and a separation section, and the charging section, the adjacent section, And whether or not the material is loaded and loaded.

In addition, the weight sensor unit 130 is disposed in the plurality of sections at the end of the adjacent section and the separation section, thereby recognizing whether the material enters or is loaded at the end of the adjacent section and the separation section.

In the roller table control method of the heating furnace according to the present invention, when a material is present in the loading section and it is recognized that no material exists in the adjacent section, (e) the roller tables T1 and T2 of the separation section and the adjacent section, And moving the workpiece to the end of the adjacent section to wait for the workpiece.

Here, the step (e) includes a step of stopping the operation of the roller table in the separation interval when the material is transferred from the separation interval to the adjacent interval.

In addition, in the step (e), when the work is transferred from the separation section to the adjacent section, the operation speed of the adjacent section is reduced.

The step (d) of the roller table control method according to the present invention senses whether or not the material of the next section is loaded, and loads the material into the heating furnace only when the material is loaded.

The scope of the present invention is defined by the claims, the parentheses used in the claims are not used for optional limitation but are used for the definite components and the description in parentheses is also interpreted as an essential component .

S1 to S3: Tracking sensors T1 to T3: Inlet roller table
1, 2: material (slab, etc.) 101: CPU
110: table drive unit 120: tracking sensor unit
130: Weight sensor unit 140: Extractor driving unit

Claims (18)

An apparatus for controlling a roller table partitioned by a plurality of sections,
A tracking sensor unit disposed at the beginning of each of the plurality of sections, for recognizing a material to be stacked and transported on the roller table;
A weight sensor unit disposed at the end of the plurality of sections and recognizing a material to be stacked and transported on the roller table; And
And a table driving unit for receiving the positional information of the material from the tracking sensor unit and receiving the positional information of the material from the weight sensor unit and separately driving the roller tables partitioned by the plurality of sections, A roller table control device.
The apparatus of claim 1,
A charging section for charging the material to be charged into a charging port of the heating furnace;
An adjacent section in which the charging section is adjacent to the charging section and causes the material to wait or transfer to transfer the material to the charging section; And
And spaced apart from the loading section and adjacent to the adjacent section to allow the material to be sent to the adjacent section to be conveyed to the waiting or conveying section.
The apparatus according to claim 2,
And wherein the controller is disposed at the beginning of the charging section, the adjacent section, and the separation section.
The apparatus according to claim 2,
The adjacent sections, and the spacing sections, respectively.
The apparatus according to claim 3 or 4,
And when the material is recognized as being present in the loading section, the material is conveyed to the position at which the weight sensor section recognizes the adjacent section and is queued.
The apparatus according to claim 3 or 4,
If it is recognized that the material exists in the charging section, if the material is not loaded in the adjacent section but it is recognized that the material is loaded in the separation section, the weight sensor section of the adjacent section To the position at which the material is recognized.
7. The apparatus according to claim 6,
Wherein when the tracking sensor unit recognizes that the material of the separation interval is transferred to the area of the adjacent section, the roller table of the separation section is stopped and the roller table of the adjacent section is decelerated.
The apparatus as claimed in claim 5,
Further comprising an extractor driving unit for charging the material loaded in the loading section into the heating furnace.
9. The apparatus according to claim 8,
Wherein the extractor driving unit feeds the material of the adjacent section to the charging section when charging the material of the charging section into the heating furnace.
The apparatus according to claim 9,
And stops the operation of the loading section when the tracking sensor section disposed in the loading section sequentially recognizes the front end and the rear end of the material.
A method for controlling a roller table partitioned by a plurality of sections,
(a) sensing whether the material is loaded at the beginning and the end of the plurality of sections for partitioning the roller table;
(b) transferring the material in turn to the plurality of sections;
(c) waiting the material at the end of the section before the next section if the material is loaded on the material in the next section of the plurality of sections; And
(d) transferring the material waiting at the end of the previous section of the next section to the next section when the material loaded in the next section is loaded in the heating furnace. Control method.
The apparatus of claim 1,
A charging section for charging the material to be charged into a charging port of the heating furnace;
An adjacent section in which the charging section is adjacent to the charging section and causes the material to wait or transfer to transfer the material to the charging section; And
And spaced apart from the charging section and adjacent to the adjacent section to allow the material to be transferred to the adjacent section to be conveyed to the waiting section.
13. The method of claim 12,
Wherein each of the tracking sensor units is disposed at the beginning of the charging section, the adjacent section and the separation section to recognize whether the material is entered or not loaded at the beginning of the charging section, the adjacent section and the separation section. Roller table control method.
13. The method of claim 12,
Wherein each weight sensor unit is disposed at the end of the adjacent section and the separation section to recognize whether the material is entered or not loaded at the end of the adjacent section and the separation section.
15. The method according to claim 13 or 14,
If the material exists in the charging section and the material is not present in the adjacent section,
(e) activating the roller table of the spacing interval and the adjacent interval to convey the material to the end of the adjacent interval and waiting.
16. The method of claim 15, wherein step (e)
And stopping the operation of the roller table in the separation interval when the material is transferred from the separation interval to the adjacent interval.
17. The method of claim 16, wherein step (e)
And when the material is transferred to the adjacent section from the spacing interval, the moving speed of the adjacent section is decelerated.
12. The method of claim 11, wherein step (d)
Sensing whether the material of the next section is loaded or not, and charging the material into the heating furnace only when the material is loaded.
KR1020150129434A 2015-09-14 2015-09-14 Apparatus for controlling roller table of furnace and method thereof KR20170031893A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107860220A (en) * 2017-10-31 2018-03-30 广西旭腾实业集团有限公司 Energy-efficient automation tunnel cave
CN108168298A (en) * 2017-12-27 2018-06-15 中核北方核燃料元件有限公司 A kind of sintering furnace automatic loading and unloading device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0824397A (en) 1994-07-19 1996-01-30 Chiyuugin Kanko Kk Artificial golf links
KR19980018636U (en) 1996-09-30 1998-07-06 양재신 Raindrop barrier on car door mirrors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0824397A (en) 1994-07-19 1996-01-30 Chiyuugin Kanko Kk Artificial golf links
KR19980018636U (en) 1996-09-30 1998-07-06 양재신 Raindrop barrier on car door mirrors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107860220A (en) * 2017-10-31 2018-03-30 广西旭腾实业集团有限公司 Energy-efficient automation tunnel cave
CN108168298A (en) * 2017-12-27 2018-06-15 中核北方核燃料元件有限公司 A kind of sintering furnace automatic loading and unloading device

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