KR100526859B1 - Apparatus for checking the damaged part of the refractory brick in the door for the coke oven - Google Patents

Abstract

The present invention relates to a refractory brick breakage identifying device of a coke oven door for checking whether a refractory brick built on a door mounted on an outer frame of a carbonization chamber is detachable by a mobile device. Contact means having a plurality of touch bars contacting corresponding to the sensing means, sensing means for detecting a contact degree of each of the touch bars with respect to the firebrick positioned behind the contact means, and supporting the contact means and the sensing means. A support frame, first forward and backward means for advancing and supporting the support frame along a horizontal direction toward the firebrick, second forward and backward means for advancing and supporting the support frame in a lateral direction, and the sensing means Consisting of a storage means for storing information on the state of the refractory brick transmitted from As a result of this, it is possible to reduce the adverse effect of the normal operation due to the fire breakdown by quickly and accurately performing the damage checking operation on the refractory bricks, and to maintain the maintenance work through rapid analysis because the status information of the firebrick for the entire door is accumulated and managed. This can be performed smoothly to increase the productivity of the coke.

Description

Apparatus for checking the damaged part of the refractory brick in the door for the coke oven}

The present invention relates to a device for checking whether or not the refractory brick is damaged on the inner surface of the coke oven door, and more specifically by automatically grasping the damage state of the refractory brick is built step by step in the structure of the door for the coke oven The present invention relates to a refractory brick breakage detection device for a coke oven door that can solve problems such as risk of safety accidents, excessive time, and waste of personnel, which can be caused by the worker checking the burnout condition.

In general, the coke used as a heat source for melting iron ore in the blast furnace process is produced by drying the coal charged in the carbonization chamber of the coke oven for a certain period of time after extraction from the carbonization chamber and digested in the digestion tower.

As shown in FIG. 1 and FIG. 2, the coke oven 10 has a carbonization chamber 20 in which a plurality of coke ovens are constructed, and a door 30 that can be opened and closed is installed in front of the carbonization chamber 20. That is, the door 30 is detachably installed on the outer frame of the left and right edges of the carbonization chamber 20. Therefore, after the coal charged in the sealed carbonization chamber 20 in the state where the door 30 is mounted is carbonized, the carbonization chamber 20 in the state in which the door 30 is detached by the mobile device 40. After extruding to the outside, it is transferred to a digestion tower (not shown) for digestion.

On the other hand, the refractory brick 31 is constructed step by step from one stage to 45 stages on the inner side surface of the coke oven door 30. However, as described above, the refractory brick 31 is cracked and / or due to the material property due to thermal stress applied in the process of detaching and attaching the door 30 to the outer frame of the carbonization chamber 20 by the mobile device facility 40. Breakage phenomenon occurs. Thus, the broken fire brick 31 causes a problem that the sealing action of the door 30 to the carbonization chamber 20 is reduced.

Therefore, it is desirable to grasp the state of the refractory brick 31 and to replace and repair the broken part promptly. For this purpose, the worker visually checks whether each of the refractory bricks is broken and then performs repair work on the broken refractory brick. do.

However, when the worker directly checks whether each of the refractory bricks built in the door 30 is damaged by the naked eye, a lot of time is required, and a safety accident may occur due to heat dissipated from the carbonization chamber 20. There is this.

In addition, since the operation of confirming whether or not the fire brick is broken is performed for a short time when the door is detached from the coke oven by the mobile equipment, it is impossible for the worker to confirm the damage of the fire brick as a whole. There is a problem that the production efficiency of the coke is lowered by not supplying enough.

The present invention has been made in order to solve the conventional problems as described above, the excessive work time requirements and safety accidents that can be caused by the operator to directly check whether the refractory brick is built in the door for the coke oven If the door is detached by the mobile equipment to prevent the occurrence and to provide accurate information on the condition of the refractory bricks, the manual operation of each refractory brick should be performed by the operator. The purpose is to provide a device that can be directly identified without having to.

In order to achieve the above object, according to the present invention, the refractory brick damage check of the door for the coke oven for confirming whether the refractory brick is built in the door mounted on the outer frame of the carbonization chamber to be removable by the mobile equipment The apparatus includes a contact means having a plurality of touch bars contacting corresponding to each of the refractory bricks, sensing means for detecting a degree of contact of each of the touch bars with respect to the refractory brick located behind the contact means, and the contact means. And a support frame for supporting the sensing means, first forward and backward means for forwarding the support frame along a horizontal direction toward the firebrick, and second forward and backward for forwarding the support frame along the lateral direction. Means for storing the information on the state of the refractory brick transmitted from the sensing means; It is a characterized.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention.

Refractory brick breakage confirmation device 200 according to the present invention has a contact means 50 in contact with the refractory brick (31). The contact means 50 includes a plurality of touch bars 52 in direct contact with the firebrick 31, the touch bars 52 being elastically supported by an elastic member 54, such as a spring, in a first vertical direction. It is supported by the beam 51. The first vertical beam 51 has a plurality of through holes corresponding to each of the fire bricks 31 formed in the door 30, and the touch bars 52 inserted through the through holes respectively correspond to each other. In contact with the firebrick 31.

The rear of the contact means 50 is provided with a detection sensor 62 which is electrically connected to each of the touch bars 52, the detection sensor 62 is supported by the second vertical beam (61). Preferably, the sensor 62 is of a digital type driven in a cylindrical manner. Therefore, as described below, when the touch bar 52 is in contact with the undamaged refractory brick and proceeds backward, the sensing rod of the sensing sensor 62 proceeds backward to detect the normal state of the refractory brick. However, when the touch bar 52 corresponds to the firebrick in a broken state, since it does not proceed backward, no change is detected on the sensing rod of the sensor 62 to detect an abnormal state of the firebrick.

In order to simultaneously move the contact means 50 and the sensing means 60 in the direction toward the firebrick 31 of the door 30 detached by the mobile device facility 40, the first vertical direction of the contact means 50. A support frame 70 is provided to which both ends of the beam 51 and both ends of the second vertical beam 61 of the sensing means 60 are coupled. First back and forth means 80 for advancing and supporting the support frame 70 along the horizontal direction toward the firebrick 31 of the door supported by the mobile device 40 on the rear surface of the support frame 70. ) Is provided. Preferably, the first forward and backward means 80 is composed of a cylinder.

According to a preferred embodiment of the present invention, the refractory brick breakage confirming device 200 is provided with a second forward and backward means for advancing and supporting the support frame 70 along the lateral direction. The second forward and backward means includes a body frame 90 for supporting the first forward and backward means 80 and a moving means 100 for laterally moving the body frame 90. In the drawing, the moving means 100 is for specifying the installation place for the sake of simplicity of the drawing, and its action is to move the body frame 90 laterally as described above.

Here, a guide rail 91 disposed in the horizontal direction is installed at a predetermined position of the body frame 90 so that the roller 71 provided on the support frame 70 can move. That is, the guide rail 91 guides forward and backward movement along the horizontal direction of the support frame 70. On the other hand, the moving means 100 is composed of a cylinder and is installed on the upper portion of the body frame 90.

At this time, the guide rail beam 102 for guiding the movement of the body frame 90 toward the mobile device facility 40 side is provided to the mobile device facility 40, the guide rail beam 102 to the body frame 90. There is provided a carriage roller 101 moving along.

Therefore, after the body frame 90 moves along the guide rail beam 102 by the operation of the moving means 100 and stops at a predetermined position, the support frame 70 is operated by the operation of the first forward and backward means 80. By advancing the contact means 51 is in close contact with the firebrick 31 of the door 30. At this time, the position control unit 110 is installed adjacent to the body frame 90 and the guide rail 91 to control the operation of the moving means 100 and to control the operation of the first forward and backward means 80. .

That is, in the lateral forward and backward motion control and the horizontal forward and backward motion control of the support frame 70 by the control operation of the position control unit 110, the touch bar 52 of the contact means 50 is individually door 30 Respond to the firebrick of).

Operation of each of the first forward and backward means 80 and the moving means 100 as described above is adjusted by the control unit 130 of the mobile unit cab 120.

In addition, the mobile device cab 120 is provided with a transceiver 140 for receiving a signal transmitted from the sensor 62 of the sensing means 60 and transmitting the signal to the central cab 150. The central cab 150 is provided with a data processing unit including a receiver 160 that receives a signal provided from the transceiver 140 and a main hard unit 170 that stores the signal provided by the receiver as information. Information about the refractory brick 31 stored in the data processing unit is programmed on the process computer 180 and then displayed on the display means 190. At this time, the facility manager of the cab monitors the information accumulated in the data processing unit online and compares and analyzes the past and present states of each of the refractory bricks 31.

Therefore, according to the present invention, the door detacher 41 of the mobile device facility 40, which is the door detacher for the coke oven 10, detaches and removes the door 30 of the carbonization chamber 20 at the same time as the coke extruding operation starts. At the same time, it is possible to detect whether the firebrick 31 is broken and store it as data.

Hereinafter, the operation of the refractory brick breakage confirmation device according to the present invention.

First, as the coke production plan of the coke oven moves the carbonization chamber 20 of 132 doors while the mobile equipment 40 moves along the circulation cycle, the door of the carbon room is moved to the mobile equipment facility at the same time as the start of the coke extruding operation. When the detacher 41 of FIG. 40 is detached and positioned at the correct position A, the driver manipulates the control unit 130 of the refractory brick breakage confirming device according to the present invention in the cab 120 of the mobile device.

As a result, the moving means 100 moves forward along the lateral direction by the position control unit 110 to move the body frame 90 along the guide rail beam 102, and then the contact means 50 moves into the carbonization chamber 20. Align with the door 30 detached from. In this state, the first forward and backward means 80 moves forward to bring the contact means 50 into close contact with the firebrick 31 such that the touch bar 52 contacts the firebrick 31. At this time, if the touch bar 52 is almost completely retracted, the state of the firebrick 31 is detected by the sensor 62 that the state is good, while the touch bar 52 maintains the forward state protruding forward. If the reversal or the degree of reverse is weak, it is detected that the state of the refractory brick 31 is poor.

As described above, the detection information of the detection sensor 62 on whether the firebrick is damaged is provided to the receiver 160 of the central cab 150 through the transceiver 140 of the mobile device cab 120 and thus the main hard 170. Are stored in. And, the information stored in the main hard 170 is output from the central cab 150 through the process control means.

For example, as described above, the output signal in the normal state and the bad state of the firebrick 31 detected by the detection sensor 62 is transmitted and received by the mobile device cab 120 through a conversion step by the signal system means. Through the unit 140 and the receiving unit 160 of the central cab 150, the main hard 170 is stored and stored every time. Through the accumulated information, the past state and the current state of the firebrick can be known.

In addition, since the driver can output the information on the entire refractory brick stored in the main hard 170 as needed through the display means 190 of the process computer 180, the status of the refractory brick is determined and analyzed as a whole. Information related to the management of coke oven doors, such as judgment of maintenance and estimation of materials, can be easily obtained.

On the other hand, when the door number is set in the display means 190 as shown in FIG. 8, the output state corresponding to the refractory brick of the door is displayed, and also the short number and the total number of defective refractory bricks, the progress, and the graph analysis Information required for maintenance judgment, etc. is displayed.

When the signal transmission as described above is terminated and the first forward and backward means 80 and the second forward and backward means 70 are operated in reverse order to return to the initial position, the touch bar 52 of the contact means 50 is elastic. The member 54 returns to the initial state, and the operation unit 120 of the mobile device terminates the confirmation of damage of the firebrick for one door, and the door 30 is mounted in the carbonization chamber 20, thereby The job ends.

According to the present invention, it is possible to reduce the adverse effect of the normal operation due to the refractory brick breakdown by quickly and accurately performing the refractory brick breakage check operation of the coke oven door to quickly and accurately repair the broken part and also fired in the state where the worker is exposed to high heat places Safety accidents can be prevented when checking whether a brick is damaged or not. As the status information of the refractory bricks for all doors is accumulated and managed, maintenance can be performed smoothly through rapid analysis, thereby increasing the productivity of coke. Can be.

The foregoing is merely illustrative of the preferred embodiments of the present invention and those skilled in the art to which the present invention pertains may make modifications and changes to the present invention without departing from the spirit and gist of the invention as set forth in the appended claims. It should be recognized.

1 is a view illustrating a door closed state and an open state of a coke oven.

FIG. 2 is a view illustrating a fire brick breakage state of a door for a coke oven, according to a conventional embodiment.

Figure 3 is a view showing the configuration of the refractory brick breakage confirmation device for the coke oven door according to the present invention.

4 is a view showing a check operation of the refractory brick broken state in accordance with the present invention.

5 is a view showing an inspection state of the refractory brick according to the present invention.

6 is a view showing a state of the contact means according to the invention.

7 is a view showing a check operation of the inspection state of the refractory brick in accordance with the present invention.

8 is a diagram showing the configuration of a central control room according to the present invention;

<Description of Symbols for Major Parts of Drawings>

50: contact means

51: first vertical beam

52: touch bar

54: elastic member

60: detection means

61: second vertical beam

62: detection sensor

70: support frame

80: first forward and backward means

Claims (4)

In the refractory brick breakage confirmation device of the coke oven door for confirming whether the refractory brick built on the door frame mounted on the outer frame of the carbonization chamber to be detachable by the mobile equipment facilities, A contact means having a plurality of touch bars contacting corresponding to each of the firebrick; Sensing means positioned at the rear of the contact means to sense a contact degree of each of the touch bars with respect to the firebrick; A support frame for supporting the contact means and the sensing means; First forward and backward means for advancing and supporting the support frame along a horizontal direction toward the firebrick; Second forward and backward means for advancing and supporting the support frame along the lateral direction; Refractory brick breakage confirmation device of the door for the coke oven, characterized in that the storage means for storing information about the state of the refractory brick transmitted from the sensing means. The method of claim 1, Refractory brick breakage confirmation device of the coke oven door, characterized in that it further comprises an elastic member for elastically supporting the touch bar. The method of claim 1, And a guide rail beam for guiding the lateral movement of the support frame, wherein the guide rail beam is connected to the mobile device. The method of claim 1, And a controller for controlling the operation of the first forward and backward means and the second forward and backward means in the central cab.