WO2018143616A1 - 피가열부재 통합관리 시스템과 이의 제어방법 - Google Patents
피가열부재 통합관리 시스템과 이의 제어방법 Download PDFInfo
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- WO2018143616A1 WO2018143616A1 PCT/KR2018/001207 KR2018001207W WO2018143616A1 WO 2018143616 A1 WO2018143616 A1 WO 2018143616A1 KR 2018001207 W KR2018001207 W KR 2018001207W WO 2018143616 A1 WO2018143616 A1 WO 2018143616A1
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- WIPO (PCT)
- Prior art keywords
- module
- unit
- cable
- wire
- heated
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/0021—Devices for monitoring linings for wear
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/04—Blast furnaces with special refractories
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/04—Blast furnaces with special refractories
- C21B7/06—Linings for furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/44—Refractory linings
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4673—Measuring and sampling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/0003—Linings or walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/04—Arrangements of indicators or alarms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0033—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining damage, crack or wear
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/20—Investigating the presence of flaws
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/20—Investigating the presence of flaws
- G01N27/205—Investigating the presence of flaws in insulating materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2836—Fault-finding or characterising
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/44—Refractory linings
- C21C2005/448—Lining wear indicators
Definitions
- the present invention relates to an integrated management system for a heating member and a control method thereof, and more specifically, to instantly recognize a state of a heating member, and to efficiently manage the heating member according to a damaged state of the heating member. It relates to the integrated member management system and its control method.
- refractory materials such as refractory bricks and castables may be installed in an industrial furnace such as a heating furnace, a heat treatment furnace, a calcination furnace, a blast furnace, a water furnace, or the like used in a steelmaking process.
- an industrial furnace such as a heating furnace, a heat treatment furnace, a calcination furnace, a blast furnace, a water furnace, or the like used in a steelmaking process.
- the refractory material may be exposed for a long time in a high temperature situation as the process using the industrial furnace, in this case, the refractory is damaged by thermal shock.
- the refractory since the refractory is installed inside the industrial furnace, there is a problem that it is difficult to immediately determine whether the refractory is damaged.
- the refractory has a problem that it is difficult to determine the damage location and the degree of damage due to thermal shock.
- the damaged refractory affects the industrial furnace during the process, causes defects in the manufactured product, and adversely affects the quality of the product.
- damaged refractory causes separation inside the industrial furnace.
- the waste water flows out through the area where the refractory is separated, so that the damaged refractory causes a loss of heat in the industrial furnace, damage to external equipment, safety accidents of field workers, and the like.
- An object of the present invention is to solve the problems of the prior art, to immediately grasp the state of the member to be heated to effectively manage the member to be heated according to the damaged state of the member to be heated integrated management system and control thereof In providing a method.
- the integrated member to be managed management system in the integrated member to be managed system for managing the damage state of the heating member to be heated by the hot melt, A cable module having at least a part inserted into the heated member; A measurement module disposed outside the member to be heated and measuring information generated from the cable module; Based on the information measured in the measurement module integrated management module for identifying the change in the damage of the member to be heated by the melt, display the change state of the member to be heated, and generates management information for the member to be heated ; And a local terminal for receiving management information on the member to be heated from the integrated management module.
- the measurement module measures the information generated from the cable module, the resistance value that is changed as the cable module is damaged while the heating member is damaged by the melt
- the integrated management module derives the insertion position of the damaged cable module in response to the changed resistance value, and the distance in which the melt penetrates into the heated member through the insertion position of the damaged cable module. It is characterized by grasping.
- the cable module a plurality of first unit cables disposed spaced apart from each other; And a plurality of second unit cables disposed to be spaced apart from each other in an intersecting state with the first unit cable, wherein the measurement module measures an electrical signal generated by the cable module, wherein the first unit cable is connected to the first unit cable.
- a first unit measurement unit coupled to one corresponding unit to measure an electrical signal generated from the first unit cable;
- a second unit measuring unit coupled to the second unit cable in a one-to-one correspondence and measuring an electrical signal generated from the second unit cable.
- the integrated management module includes: The position of the first unit cable and the second unit cable is characterized in that the damage position of the member to be heated on a plane perpendicular to the thickness direction of the member to be heated.
- a fixed resistance unit having a predetermined resistance value is connected between the cable module and the measurement module, and the cable module, the measurement module and the fixed resistance unit are closed loops. Characterized in that form.
- the member to be heated includes a refractory and a purging plug coupled to the through-hole formed in the thickness direction of the refractory to supply bubbles to the melt, the purging plug is At least a portion of the cable module may include a residual measurement block installed therein.
- the cable module includes a first cable module and a second cable module disposed adjacent to the thickness direction of the member to be heated
- the measuring module is the first A first measurement module for measuring a first current value flowing through a cable module, and a second measurement module for measuring a second current value flowing through the second cable module, wherein the integrated management module includes the first current value and a first measurement value; Deriving the insertion position of the cable module damaged by the melt based on the current value 2, characterized in that to determine the distance penetrated into the inside of the member to be heated through the insertion position of the damaged cable module.
- the measuring module the sensing unit for measuring the electrical signal generated from the cable module; And a data transmitter for transmitting the electrical signal measured by the sensing unit to the integrated management module
- the integrated management module includes: a data receiver configured to receive the electrical signal transmitted from the data transmitter; A data analysis unit for calculating a damage state of the member to be heated by calculating an electrical signal received by the data receiver; A data output unit configured to monitor a damage state of the member to be heated identified by the data analysis unit; And a management instruction unit for generating management information about the member to be heated based on the damage state of the member to be heated identified by the data analyzer and transmitting the management information to the local terminal.
- the cable module includes a first wire unit and a second wire unit disposed adjacent to each other in a state that is not electrically connected to each other
- the measurement module is the measurement
- the module measures information generated by the cable module, the cable module including whether the first wire unit and the second wire unit is electrically connected to each other via the melt penetrated into the inside of the heating member.
- the measurement module is a sensing unit for measuring the current flowing in the power supply unit and the first wire unit and the second wire unit, respectively connected to the first wire unit and the second wire unit, respectively; It may include a unit.
- the first wire unit is coated on the outer surface of the metal wire and the metal wire, the first wire unit and the second in the process of manufacturing the heated member.
- the wire unit may include a coating layer for preventing the electrical connection.
- the heating member is a fuzzing plug
- the melt is a metal melt
- the measurement module measures information generated from the cable module, but the inside of the fuzzing plug Measuring a change in the electrical connection state of the cable module due to the molten metal infiltrated into the first wire, wherein the cable module has a first wire having a first wire and a second wire disposed adjacent to each other without being electrically connected to each other; And a third electric wire and a fourth electric wire disposed adjacent to each other in a state in which the electric wire unit and the electric wire are not electrically connected to each other. And a second wire unit disposed at a predetermined distance away from the wire unit, wherein the molten metal is formed in the cable module.
- the electrical connection state of the cable module is changed by being in contact with at least a partial region.
- the purging plug is a porous block for supplying gas to the inner space of the ladle, an internal refractory block surrounding the porous block, and a block case surrounding the internal refractory block and And an outer refractory block surrounding the outside of the block case and a gas injection tube for injecting gas into the porous block, the block case including a protrusion protruding toward the outer refractory block, the first wire and The second electric wire is characterized in that disposed on the inner surface of the protrusion.
- the cable module may further include a connecting member of a non-conductive material for physically connecting the first wire unit and the second wire unit.
- the first wire unit, the connecting member and the second wire unit is integrally disposed on the same plane with respect to the bottom surface of the porous block, the first The wire unit is disposed between the inner surface of the block case and the outer surface of the porous block, the second wire unit is characterized in that disposed in the central region of the porous block.
- the cable module is a first connection wire for electrically connecting the first wire unit and the measurement module, the second wire unit and the measurement module electrically Further comprising a second connecting wire for connecting, wherein the first wire unit further comprises a first wire covering for wrapping the first wire and the second wire, the second wire unit is the third wire and It further comprises a second wire coating for wrapping the fourth wire.
- the measuring module is a power unit which is connected to the first wire unit and the second wire unit, respectively, and to measure the current flowing in the first wire unit
- the first sensor is moved along the outer surface of the block case and the first and second wires are electrically connected to each other through a metal melt that melts the block case.
- the third sensor and the fourth wire are electrically connected to each other through the metal melt penetrating into the porous block. It is characterized in that to provide information to determine whether there is integrated management module.
- the member to be heated is a refractory material disposed in the ballistic
- the cable module includes: a first cable module disposed in one side partition of the ballistic refractory material; A second cable module disposed inside the other partition wall of the water refractories; And a third cable module disposed inside the bottom side of the water refractories.
- the measurement module may include a first measurement module connected to the first cable module to measure an electrical signal generated by the first cable module; A second measurement module connected to the second cable module to measure an electrical signal generated by the second cable module; And a third measurement module connected to the third cable module to measure an electrical signal generated by the third cable module.
- a control method of a integrated heating member management system for controlling a heating member integrated management system comprising: measuring information generated from the cable module using the measurement module; Analyzing the information measured by the measurement module using the integrated management module to determine a damaged state of the member to be heated; Displaying a damaged state of the member to be heated by using the integrated management module; And generating management information about the member to be heated by using the integrated management module and transmitting management information about the member to be heated to the local terminal.
- the information measured in the step of measuring the information generated in the cable module the cable member is damaged while the heated member is damaged by the melt
- the electric signal for the resistance value or the current value that is changed according to, and identifying the damaged state of the member to be heated, deriving the insertion position of the damaged cable module corresponding to the changed resistance value or current value, and the damaged Characterizing the distance that the melt penetrated into the interior of the heating member through the insertion position of the cable module.
- the information measured in the step of measuring the information generated in the cable module, the electrical of the cable module due to the melt penetrated into the purging plug The electrical signal is a change in the connection state, and the step of identifying the damage state of the purging plug, determining whether the melt has penetrated to the first set position into the inside of the purging plug while moving along the outer surface of the block case And determining whether the melt has penetrated into the porous block to a second predetermined position.
- the member to be installed inside the various industrial furnaces are damaged by the thermal shock, the member to be heated to immediately grasp the state of the member to be heated
- the member to be heated can be effectively managed according to the damaged state of
- the present invention can be applied to a variety of industrial furnaces, it is possible to manage the heating member of the industrial furnace to prevent heat loss of the industrial furnace, damage to the external equipment, safety accidents of field workers, etc. due to the damage of the heating member. have.
- the present invention can easily grasp the damage depth of the member to be heated by grasping the distance penetrated into the interior of the member to be heated through the multi-stage arrangement of the cable module representing the mesh structure.
- the present invention can easily grasp the damage position of the member to be heated and the degree of damage of the member to be heated by a thermal shock on a plane perpendicular to the thickness direction of the member to be heated through the cable module representing the mesh structure.
- the present invention can precisely measure the resistance value generated in the cable module through the fixed resistance unit connected to the cable module, it is possible to clearly identify the damage state of the member to be heated.
- the present invention has the advantage that can easily and accurately identify the damage state of the member to be heated through the feature that the two electrically connected wire units that are not electrically connected to each other by the melt.
- the first wire unit is disposed between the inner surface of the block case and the outer surface of the porous block
- the second wire unit is disposed in the central region of the porous block, whereby the molten metal melts the outer surface of the block case. As it moves along, there is an advantage that it is easy to check whether the inside of the purging plug and the metal melt has penetrated into the porous block.
- FIG. 1 is a schematic diagram of an integrated member to be heated management system according to a first embodiment of the present invention.
- FIG. 2 is a block diagram of an integrated member to be heated management system according to a first embodiment of the present invention.
- FIG 3 is a view showing a state in which the cable module is disposed in the fuzzing plug installed in the steelmaking furnace in the integrated member to be heated management system according to the first embodiment of the present invention.
- FIG. 4 is a view showing a damaged state of the fuzzing plug installed in the steelmaking furnace in the integrated management system for the heating member according to the first embodiment of the present invention.
- FIG 3 is a view showing the arrangement of the cable module in the integrated member to be heated management system according to the first embodiment of the present invention.
- FIG 4 is a view showing a first unit cable in the integrated member management system to be heated according to the first embodiment of the present invention.
- FIG 5 is a view showing a state in which the cable module is disposed in the refractory installed in the steelmaking furnace in the integrated member to be heated management system according to the first embodiment of the present invention.
- FIG. 6 is a view showing a damaged state of the refractory installed in the steelmaking furnace in the integrated member to be heated management system according to the first embodiment of the present invention.
- FIG. 7 is a view showing a state in which the cable module is disposed in the refractory to be installed in the wire in the heating member integrated management system according to a first embodiment of the present invention.
- FIG. 8 is a view showing a damaged state of the refractory installed in the furnace in the integrated member to be heated management system according to the first embodiment of the present invention.
- FIG. 9 is a view showing the arrangement of the cable module in the integrated member to be heated management system according to a second embodiment of the present invention.
- FIG. 10 is a view showing a first wire unit constituting a cable module in the integrated member to be heated management system according to a second embodiment of the present invention.
- FIG 11 is a view showing a state in which the cable module is disposed in the fuzzing plug installed in the steelmaking furnace in the integrated member to be heated management system according to the third embodiment of the present invention.
- FIG. 12 is a view showing a main portion of the configuration and the measurement module provided in the cable module according to the third embodiment of the present invention.
- FIG. 13 is a view showing a state in which the molten metal according to the third embodiment of the present invention penetrated into the fuzzing plug through the porous block.
- FIG 14 is a view showing a state in which the molten metal according to the third embodiment of the present invention has penetrated into the purging plug along the outer surface of the block case.
- FIG. 15 is a perspective view illustrating main parts of a cable module disposed on a tap road in the integrated member to be heated management system according to a fourth embodiment of the present invention.
- 16 is a diagram illustrating a control method of a system for managing a member to be heated according to an embodiment of the present invention.
- the integrated member heating management system is an integrated member heating management system for integrally managing a damaged state of a member to be heated heated by a high temperature melt 30.
- the melt 30 is accommodated in an industrial furnace.
- the integrated member to be heated management system includes the member to be heated, the cable module 100, the measurement module 200, the integrated management module 300, and the local terminal 400. do.
- the member to be heated is installed inside the industrial furnace to prevent the outer wall of the industrial furnace from contacting the melt 30.
- the member to be heated prevents the outer wall of the industrial furnace from being damaged by the melt 30.
- the member to be heated may be made of refractory materials such as refractory bricks and castables.
- the member to be heated may be made of glass or cement.
- the member to be heated may be made of a mixture of refractory and glass or a mixture of refractory and cement.
- the material of the member to be heated is not limited, and the member to be heated may be formed of a material which prevents the outer wall of the industrial furnace from contacting the melt.
- the heating member is described as being made of a refractory 10. Then, the refractory 10 is installed inside the industrial furnace.
- the cable module 100 is at least partially inserted into the refractory 10.
- the cable module 100 may allow a current to flow. Both ends of the cable module 100 are exposed to the outside of the refractory 10 and is connected to the measurement module 200 disposed outside the refractory 10.
- the cable module 100 In manufacturing the refractory 10 in which the cable module 100 is embedded, the cable module 100 has different thickness direction arrangement positions of the refractory 10 depending on the shape and size of the refractory 10. It is independently arranged inside the refractory 10.
- the thickness t0 of the refractory 10 represents a distance from the outer wall of the industrial furnace to a portion where the melt 30 is in contact with the refractory 10 in the interior of the industrial furnace
- the thickness of the refractory 10 The direction represents the direction from the portion where the melt 30 is in contact with the refractory 10 toward the outer wall of the industrial furnace.
- the cable module 100 will be described in detail below.
- the measurement module 200 is disposed outside the refractory 10.
- the measurement module 200 measures information generated from the cable module 100.
- the information measured by the measurement module 200 is changed as the refractory 10 is damaged by the melt 30 and the cable module 100 is damaged.
- the electrical signal measured by the measurement module 200 is changed according to the damaged state of the refractory 10 due to the falling off, melting, cracking, breakage and erosion of the refractory 10.
- the information measured from the measurement module 200 may be an electrical signal such as a resistance value and a current value.
- the measurement module 200 includes a sensing unit 212 and a data transmitter 213.
- the sensing unit 212 measures an electrical signal generated from the cable module 100.
- the sensing unit 212 in the first embodiment of the present invention measures the resistance value generated in the cable module 100.
- the data transmitter 213 transmits the resistance value measured by the sensing unit 212 to the integrated management module 300.
- the measurement module 200 may be configured to further include an alarm means.
- the alarm means displays the alarm information so that the site manager can confirm when the state of the refractory 10 is out of the range of the normal state.
- the alarm information and the control signal of the alarm means may be transmitted from the integrated management module 300.
- the alarm means is disposed adjacent to the refractory 10, it can display the state of the refractory 10 by the alarm sound and indicator light.
- the color of the sound and the indicator of the alarm sound is changed according to the damage state of the refractory 10, and accordingly the field operator can check in real time so that the repair and replacement of the refractory 10 can be made immediately.
- the integrated management module 300 determines the damage state of the refractory 10 by the melt 30 based on the information measured by the measurement module 200 and displays the damage state of the refractory 10. And generates management information for the refractory (10).
- the integrated management module 300 includes a data receiver 310, a data analysis unit 330, a data storage unit 350, a data output unit 370, and a management instruction unit 390.
- the data receiver 310 receives the information transmitted from the data transmitter 230 and transmits the information to the data analyzer 330.
- the data analyzer 330 calculates the information received from the data receiver 310 to determine the damage state of the refractory 10.
- the relevant information about the state of the refractory 10 is stored in the data storage unit 350.
- the data analysis unit 330 analyzes the information measured by the measurement module 200 based on the data conversion criteria stored in the data storage unit 350.
- the state of the refractory may be defined according to the corresponding information.
- the damage state and location of the refractory 10 are determined according to the analysis result of the information by the data analysis unit 330.
- the analysis of the information includes not only disconnection caused by damage of the refractory material 10, but also information generated by noise generated by wastewater penetrating into the damaged space of the refractory material 10 and information changed by heat of the refractory material 10. can do.
- the change of information due to the heat of the refractory 10 can grasp the degree and location of the crack of the refractory 10, and thus it is possible to analyze the damage start time and damage progress rate and degree of the refractory 10.
- the field operator through the information can easily grasp the damage location and the damaged state of the refractory (10).
- the data analyzer 330 may grasp management information of the refractory 10 based on the quantity and history of the refractory 10 stored in the data storage 350.
- the data analysis unit 330 is a stock quantity of the damaged refractory of the refractory (10) arranged for each zone of the industrial furnace, product name, manufacturer, date of manufacture and receipt of the refractory 10, Lot No Product history, including, etc. can be obtained in real time.
- the damaged state of the refractory 10 stored in the data storage unit 350 may be used to determine the replacement cycle and timing of the refractory 10.
- the integrated management module It can be used to manage the damage history of the refractory 10 at 300.
- the data output unit 370 displays a damaged state of the refractory 10, a stock quantity and a product history of the refractory, and a damage history of the refractory 10.
- the management instruction unit 390 transmits the management information for the refractory 10 to the local terminal 400 so that the site manager and the person in charge can check the damage state of the refractory 10 in real time.
- the integrated management module 300 derives the insertion position of the damaged cable module 100 in response to the changed information, and through the insertion position of the damaged cable module 100 the melt 30 is the refractory The distance D penetrated into the inside of (10) can be grasped.
- the integrated management module 300 is the position of the first unit cable 110 and the second unit cable 120 to be described later damaged by the melt 30 on the basis of one cable module 100.
- the damage position of the refractory 10 can be determined on a plane perpendicular to the thickness direction of the refractory 10.
- the local terminal 400 receives the management information of the refractory 10 from the integrated management module 300.
- the local terminal 400 may be a notebook and a mobile phone of the field manager and the person in charge.
- the management instruction command transmitted to the local terminal 400 may be differently transmitted according to the state of the refractory 10, and thus, a site manager and a person in charge may proceed with management according to the state of the refractory 10.
- the integrated refractory management system including the cable module 100, the measurement module 200, the integrated management module 300 and the local terminal 400 enables the integrated management of the refractory 10, By monitoring the damage state of the refractory 10 in real time, it is possible to manage the refractory 10 with a minimum field management personnel.
- the cable module 100 includes a plurality of first unit cables 110 disposed to be spaced apart from each other, and the first unit cables 110 intersected with each other. It includes a plurality of second unit cables 120 spaced apart from each other in a state. Accordingly, the cable module 100 exhibits a mesh structure on a plane perpendicular to the thickness direction of the refractory 10.
- the location where the refractory 10 is damaged on a plane may be coordinated by changing resistance values of the first unit cable 110 and the second unit cable 120 that are damaged in the mesh structure as shown in FIG. 5. And, through such coordinates it is possible to easily determine the location where the refractory 10 is damaged on the plane.
- first unit cable 110 Since the first unit cable 110 and the second unit cable 120 have substantially the same structure, the first unit cable 110 will be described as the first unit cable 110 as shown in FIG. 6.
- the first unit cable 110 includes a metal wire 111 and a space securing coating layer 113.
- the periphery of the metal wire 111 is provided with a protrusion 112 protruding at least in part.
- the protrusion 112 may be formed to protrude around the metal wire 111 in a sawtooth shape.
- connection terminals 115 are provided at both ends of the metal wire 111 to be connected to the measurement module 200.
- the surface area of the metal wire 111 may have a larger surface area per unit length than a general metal wire having a circular cross section.
- the protrusion 112 protrudes from the circumferential surface of the metal wire 111 so that the surface area of the metal wire 111 in contact with the refractory 10 is widened.
- the screw-shaped metal wire 111 and the sawtooth-shaped projection 112 can grab the refractory 10, the coupling structure of the refractory 10 and the cable module 100 is Can be enhanced.
- a circumferential surface of the metal wire 111 may be partially irregularly settled.
- the present invention is not limited to the above-described embodiment, and the first unit cable 110 includes a refractory binding member irregularly bonded to the metal wire 111 and at least a portion of the circumferential surface of the metal wire 111. It can be configured to include.
- the refractory binding member may be formed of a fiber made of a metal material such as a hot fiber, and the like, which are attached to the circumferential surface of the metal wire 111 and are introduced into the refractory 10 and constitute the refractory 10. It gets tangled up well.
- the metal wire 111 may use a SUS material having excellent heat resistance so as not to be easily melted or expanded by heat transmitted by the refractory 10.
- the material used for the metal wire 111 is not limited thereto, and may be replaced with a metal having excellent heat resistance and good current flow.
- the structure of the metal wire 111 is located in the center of the copper wire so that the current can pass well, the form of wrapping the outer side of the copper wire with SUS wire in order to prevent the copper wire from being easily melted by the heat of the refractory 10. It can be configured as.
- the space securing coating layer 113 is coated on at least a portion of the circumferential surface of the metal wire 111 to ensure expansion space of the metal wire 111 while melting when the temperature of the refractory 10 rises.
- the metal wire 111 expands as the temperature of the refractory 10 increases, the metal wire 111 fills at least a portion of the expansion space formed by the space securing coating layer 113.
- the space securing coating layer 113 is melted by the heat transmitted by the refractory 10, and thus is discharged to the outside of the refractory 10 in the form of a coating liquid.
- the present invention is not limited to the above-described embodiment, and a storage tank for accommodating and storing the coating liquid discharged outside the refractory 10 may be disposed.
- the storage tank may not only accommodate and store the coating solution, but may also serve to guide the coating solution to be inserted into the refractory 10 again.
- the space securing coating layer 113 may be composed of paraffin.
- the material of the space securing coating layer 113 is not limited to this, and the melting point is lower than the metal wire, the coating process is simple, it can be replaced with a material that does not pass the current.
- the measurement module 200 is coupled to the first unit cable 110 in a one-to-one correspondence and the first unit measuring unit 201 for measuring the resistance value generated in the first unit cable 110 and
- the second unit cable 120 may include a second unit measurement unit 202 coupled to the second unit cable 120 in a one-to-one correspondence to measure a resistance value generated by the second unit cable 120.
- the first unit measurement unit 201 and the second unit measurement unit 202 have substantially the same structure.
- the first unit measurement unit 201 and the second unit measurement unit 202 may include the sensing unit 212 and the data transmitter 213, respectively.
- the integrated refractory management system according to the first embodiment of the present invention may further include a fixed resistance unit 200a.
- the cable module 100, the measurement module 200 and the fixed resistance unit 200a forms a closed loop.
- the fixed resistance unit 200a has a predetermined resistance value.
- the fixed resistance unit 200a is disposed outside the refractory 10.
- the fixed resistance unit 200a is disposed between the cable module 100 and the measurement module 200 to electrically connect the cable module 100 and the measurement module 200.
- the fixed resistance unit 200a may clarify the change in the resistance value generated by the cable module 100 and reduce the error of the resistance value measured by the measurement module 200.
- the cable module 100 for the refractory 10 installed in the steelmaking furnace 40 of the industrial furnace And the installation state of the measurement module 200 will be described.
- a through hole 11 penetrates through the refractory 10 installed in the steelmaking furnace 40 in the thickness direction of the refractory 10.
- the purging plug 20 and the residual measuring block 21 may be damaged faster than the refractory 10.
- the cable module 100 may include a third cable module 103 installed inside the residual measurement block 21 in response to the replacement time of the fuzzing plug 20.
- the third cable module 103 may include the first unit cable 110 and the second unit cable 120.
- the measurement module 200 may include a third measurement module 230 for measuring an electrical signal generated by the third cable module 103.
- the third measurement module 230 may include the first unit measurement unit 201 and the second unit measurement unit 202.
- the fuzzing plug 20 is coupled to the through hole 11 in correspondence to the thickness t0 of the refractory, and the residual measuring block 21 is provided in the fuzzing plug 20. It is built.
- the third cable module 103 is embedded in the remaining measurement block 21.
- the third measurement module 230 is connected to the third cable module 103.
- the melt 30 penetrates into the refractory 10. Since the third cable module 103 is embedded in the margin line t1 of the residual measurement block 21, when the melt 30 penetrates into the inside of the refractory 10 by "D", the In response to the replacement time of the purging plug 20, the third cable module 103 embedded in the refractory 10 is damaged, and the third measurement module 230 is damaged due to the damage of the third cable module 103. The electrical signal measured at) is changed.
- the integrated management module 300 derives the insertion position of the damaged cable module 100 in response to the changed electrical signal, and the melt 30 through the insertion position of the damaged cable module 100.
- the distance penetrated into the refractory 10 can be determined.
- the integrated management module 300 is perpendicular to the thickness direction of the refractory 10 through the position of the first unit cable 110 and the second unit cable 120 damaged by the melt 30.
- the damage location of the refractory 10 can be grasped on the phosphorus plane.
- the cable module 100 When the refractory 10 is installed inside the wire passage 50, the cable module 100 includes a first cable module 101, a second cable module 102, and a third cable module 103. Can be divided into
- the first cable module 101 and the second cable module 102 are formed inside the refractory 10 along the thickness direction of the refractory 10 from a boundary between the refractory 10 and the melt 30. Is installed.
- the first cable module 101 is spaced apart from the boundary between the refractory 10 and the melt 30 along the thickness direction of the refractory 10, and the second cable module 102 is the first cable.
- the module 101 may be spaced apart from each other along the thickness direction of the refractory 10.
- the third cable module 103 is spaced apart from the second cable module 102 along the thickness direction of the refractory 10.
- the third cable module 103 is installed inside the refractory 10 in response to the replacement time of the refractory 10.
- the first cable module 101, the second cable module 102 and the third cable module 103 includes the first unit cable 110 and the second unit cable 120, respectively. can do.
- the measurement module 200 may be divided into a first measurement module 210, a second measurement module 210, and a third measurement module 230.
- the first measurement module 210 measures an electrical signal generated by the first cable module 201
- the second measurement module 220 measures an electrical signal generated by the second cable module 202
- the third measurement module 230 measures an electrical signal generated by the third cable module 103.
- the first measurement module 210, the second measurement module 220, and the third measurement module 230 may include the first unit measurement unit 201 and the second unit measurement unit 202, respectively. have.
- the first measurement module 101 is formed in the refractory 10 in the thickness direction of the refractory 10 from the melt 30 in correspondence with the thickness t0 of the refractory. ),
- the second measurement module 102, and the third measurement module 103 are sequentially disposed in a state of being spaced apart from each other.
- the first measurement module 210 is connected to the first cable module 101
- the second cable module 220 is connected to the second cable module 102
- the third cable module 103 is connected thereto.
- the integrated management module 300 derives the insertion position of the damaged cable module 100 in response to the changed electrical signal, and the melt 30 through the insertion position of the damaged cable module 100.
- the distance penetrated into the refractory 10 can be determined.
- the integrated management module 300 is perpendicular to the thickness direction of the refractory 10 through the position of the first unit cable 110 and the second unit cable 120 damaged by the melt 30.
- the damage location of the refractory 10 can be grasped on the phosphorus plane.
- the installation state of the cable module 100 and the measurement module 200 with respect to the refractory 10 installed in the performance furnace 60 among industrial furnaces is installed in the steelmaking furnace 40 or the wire furnace 50. Since the same structure as that shown, and the description thereof will be omitted.
- FIG. 9 is a view showing an arrangement state of the cable module in the integrated member to be heated management system according to a second embodiment of the present invention
- Figure 10 is a cable in the integrated member to be managed management system according to a second embodiment of the present invention The figure which shows the 1st electric wire unit which comprises a module.
- the integrated member heating management system according to the second embodiment of the present invention, the heating member, the cable module 100, the measurement module 200, integrated management Module 300 and local terminal 400.
- the measurement module 200 In the configuration of the measurement module 200, the integrated management module 300, and the local terminal 400 of the second embodiment of the present invention, the measurement module 200 and the integrated management of the first embodiment of the present invention described above Detailed description of the same configuration as the module 300 and the local terminal 400 will be omitted.
- the measurement module 200 measures an electrical signal with respect to the current value generated by the cable module 100.
- the cable module 100 includes a first wire unit 130 and a second wire unit 140 which are disposed adjacent to each other in a state where they are not electrically connected.
- the melt 30 penetrates into the inside of the member to be heated and the first wire unit 130 and the second wire unit 140 are electrically connected to each other through the melt 30, the first wire Current flows through the unit 130 and the second wire unit 140.
- the first wire unit 130 is coated on the metal wire 131 and the outer surface of the metal wire 131, the first wire unit 130 and the second wire in the process of manufacturing the member to be heated
- the coating layer 133 for preventing the unit 140 from being electrically connected, and a connection terminal 135 for connecting to the measurement module.
- the metal wire 131 may use a SUS material having excellent heat resistance so as not to be easily melted or expanded by heat.
- the material used for the metal wire 131 is not limited thereto, and may be replaced with a metal having excellent heat resistance and good current flow.
- the structure of the metal wire 131 is located in the center of the copper wire so that the current can pass well, the form of wrapping the outer side of the copper wire with the SUS wire in order to prevent the copper wire from being easily melted by the heat of the refractory (10). It can be configured as.
- the coating layer 133 may be formed of a material that does not melt during the manufacturing process of the member to be heated, for example, ceramics.
- the present invention is not limited thereto, and when the member to be heated, for example, the refractory is a non-conductor, the coating layer may be made of a material that is melted in a sintering process during manufacturing of the refractory.
- the coating layer may be manufactured in a form in which a plastic tape is wound.
- a protrusion is formed on the surface of the metal wire, or a refractory binding member such as a metal fiber is attached, so that the area of the protrusion or the refractory binding member to hold the refractory increases, thereby combining the refractory with the cable module.
- the structure can be strengthened.
- the second wire unit 140 has a structure substantially the same as that of the first wire unit 130, a detailed description thereof will be omitted.
- the first wire unit 130 and the second wire unit 140 may be installed together in the inner space of a separate outer case.
- the measurement module 200 further includes a power supply unit 211.
- the power unit 211 is individually connected to the first wire unit 110 and the second wire unit 120, respectively.
- the above-described sensing unit 212 measures the current flowing through the first wire unit 130 and the second wire unit 140.
- the data transmitter 213 transmits the current value measured by the sensing unit 212 to the integrated management module 300.
- the measurement module 200 is in a state of whether the first wire unit 130 and the second wire unit 140 are electrically connected to each other through the melt penetrating into the heated member. Will be measured.
- the cable module 100 includes a first cable module 101, a second cable module 102, and a third cable module 103 arranged adjacent to each other along the thickness direction of the member to be heated, that is, the refractory 10. Include.
- the measurement module 200 measures the first measurement module 210 for measuring the first current value flowing through the first cable module 101 and the second current value flowing through the second cable module 102. And a third measurement module 230 for measuring a third current value flowing through the second measurement module 220 and the third cable module 103.
- the integrated management module 300 derives the insertion position of the cable module damaged by the melt 30 based on the first current value, the second current value and the third current value, the insertion of the damaged cable module Through the position it is possible to determine the distance (D) in which the melt penetrated into the interior of the member to be heated.
- the steelmaking furnace 40 and the steelmaking furnace 50 of the industrial furnace The installation state of the cable module 100 and the measurement module 200 with respect to the refractory 10 to be installed in the cable module 100 and the measurement module 200 in the first embodiment of the present invention Same as installed state.
- the measurement module 100 is different from only measuring the electrical signal with respect to the current value of the cable module 200, a detailed description thereof will be omitted.
- FIG 11 is a view showing a state in which the cable module is disposed in the fuzzing plug installed in the steelmaking furnace in the integrated heating member management system according to a third embodiment of the present invention
- Figure 12 is a third embodiment according to the present invention 13 is a view showing a main configuration and a measurement module provided in the cable module
- Figure 13 is a view showing a state in which the molten metal infiltrated into the fuzzing plug through the porous block according to a third embodiment of the present invention
- Figure 14 The molten metal according to the third embodiment of the present invention penetrates into the inside of the purging plug along the outer surface of the block case.
- the integrated member to be heated management system according to a third embodiment of the present invention, the heating member, the cable module 100, the measurement module 200, integrated management module 300 and a local terminal 400.
- the measurement module 200 In the configuration of the measurement module 200, the integrated management module 300 and the local terminal 400 of the third embodiment of the present invention, the measurement module 200 and the integrated management of the first embodiment of the present invention described above Detailed description of the same configuration as the module 300 and the local terminal 400 will be omitted.
- the heated member according to the third embodiment of the present invention is a purging plug 500
- the melt may be a metal melt.
- At least a portion of the cable module 100 is inserted into the fuzzing plug 500.
- the cable module 100 is the first wire unit 150 and the first wire unit on the inner region of the fuzzing plug 500 without being electrically connected to the first wire unit 150.
- the second wire unit 160 disposed at a predetermined distance from the 150 and the connection member 170 made of a non-conductive material for physically connecting the first wire unit 150 and the second wire unit 160. ).
- the second electric wire unit 160 is a third electric wire 161, the fourth electric wire 162 disposed adjacent to each other in a state that is not electrically connected to the third electric wire 161, and the And a second wire coating 163 for wrapping the third wire 161 and the fourth wire 162.
- the metal melt 30 is in contact with at least a partial region of the cable module 100, the electrical connection state of the cable module 100 may be changed.
- the metal melt 30 contacts the first wire unit 150 to melt a part of the first wire unit 150, the first wire 151 and the second wire 152. Is electrically connected so that a current flows between the first wire 151 and the second wire 152.
- the metal melt 30 contacts the second wire unit 160 to melt a part of the second wire unit 160, the third wire 161 and the fourth wire 162. Is electrically connected so that a current flows between the third wire 161 and the fourth wire 162.
- the cable module 100 includes a first connection wire 154 for electrically connecting the first wire unit 150 and the measurement module 200, the second wire unit 160, and the measurement module ( It may further include a second connection wire 164 for electrically connecting the 200.
- the purging plug 500 is a porous block 510 for supplying gas into the inner space of the ladle 70, the internal refractory block 520 surrounding the porous block 510, and the internal refractory block It includes a wrapping block case 530, an outer refractory block 550 surrounding the outside of the block case 530, and a gas injection pipe 540 for injecting gas into the porous block 510.
- the porous block 510 includes a first porous block 511 forming a lower region of the purging plug 500 and a second porous block 512 disposed on the first porous block 511. do.
- first porous block 511 and the second porous block 512 have the shape of a truncated cone, the present invention is not limited thereto and may have various shapes.
- Gas introduced through the gas injection pipe 540 is supplied into the ladle 70 while passing through the porous block 510.
- the inside of the ladle 70 is filled with a hot metal melt 30, the foreign matter contained in the metal melt 30 by the gas introduced by the porous block 510 is the metal melt 30 of the It will rise to the upper area. Injured debris is removed from the ladle by a separate removal device.
- the internal refractory block 520 may include the block case 530, the porous block 510, and the first wire unit 150 and the second wire unit 160 of the cable module in the block case 530. It is fixed at.
- the block case 530 is made of a metal material and includes a protrusion 531 protruding toward the external refractory block 550.
- first wire 151 and the second wire 152 may be disposed on the inner surface of the protrusion 531. That is, the first wire unit 150 is disposed between the inner surface of the block case 530 and the outer surface of the porous block 510.
- the molten metal 30 reaches the outer surface of the protrusion 531.
- the speed of the movement in the lower direction of the block case 530 decreases, the protrusion 531 melts and the first wire unit 150 is in contact with the same.
- the metal melt 30 When the metal melt 30 is in contact with the first wire unit 150 to melt a part of the first wire unit 150, the first wire 151 and the second wire 152 are the metal. It is electrically connected via the melt 30, and the measurement module 200 measures the change in the current value flowing through the first wire unit 150.
- the first wire unit 150, the connection member 130, and the second wire unit 120 are integrally disposed on the same plane with respect to the bottom surface of the porous block 510.
- the second wire unit 160 is disposed in the central region of the porous block 510.
- the first wire unit 150, the connection member 170 and the second wire unit 160 are integrally provided and disposed between the first porous block 511 and the second porous block 512. Due to this, the production of the fuzzing plug 500 becomes convenient.
- the operator allows the small diameter area of both end surfaces of the block case 530 to be disposed on a plane. That is, the block case 530 is disposed upside down in the opposite direction to the actual use state.
- the operator has a small diameter cross-section of the two end surfaces of the second porous block 512 is disposed on the plane, so that the operator is disposed on the inner space of the block case 530.
- the worker is integral with the first wire unit 150, the connecting member 170 and the second wire unit 160 on the upper surface of the cross-section of the larger diameter of both end surfaces of the second porous block 512. Place the wire unit assembly coupled together.
- the first wire unit 150 is disposed on the protrusion 531 of the block case.
- the first wire unit 150 is disposed on the protrusion 531 to be in close contact with the inner surface of the upper region of the protrusion 531.
- the molten metal 30 melts the block case 530 and is formed along the outer surface of the block case 530.
- the first wire unit 150 can be easily contacted, so that the electrical connection state of the first wire unit 150 can be measured more accurately.
- the operator is to have a cross-section of the small diameter of the both ends of the first porous block 511 is disposed on the upper portion of the second wire unit 160.
- first connection wire 154 and the second connection wire 164 are disposed to have a length enough to be connected to the measurement module 200.
- the worker injects molten refractory material into the inner space of the block case 530 and then dries it.
- the molten refractory is dried to form the internal refractory block 520, and the block case 530, the first porous block 511, and the first refractories are formed in the process of forming the internal refractory block 520.
- 2 porous block 512 is fixed.
- an operator installs the gas injection pipe 540 so that the gas injection pipe 540 and the first porous block 511 communicate with each other.
- the present invention is not limited to the above-described embodiment, and the first wire unit 150 and the second wire unit 160 are disposed on different planes based on the bottom surface of the porous block 510. It could be.
- the measurement module 200 measures the change in the electrical connection state of the cable module 100 due to the metal melt 30 penetrated into the purging plug 500.
- the measurement module 200 includes a power supply unit 211 and is disposed outside the purging plug 500.
- the power supply unit 210 is individually connected to the first wire unit 150 and the second wire unit 160, respectively.
- the sensing unit 212 described above includes a first sensor 212a for measuring a current flowing in the first wire unit 150 and a second for measuring a current flowing in the second wire unit 160. Sensor 212b.
- the data transmitter 230 is for transmitting the information measured by the first sensor 212a and the second sensor 212b to the integrated management module 300.
- the first sensor 212a is moved along the outer surface of the block case 530 while the first wire 151 and the second wire 152 are connected to each other through a metal melt in which the block case 530 is melted. Information for determining whether the connection is electrically provided to the integrated management module 300.
- the first sensor 212a measures a state of whether the first wire 151 and the second wire 152 are electrically connected to each other through a metal melt.
- the second sensor 212b is information for determining whether the third wire 161 and the fourth wire 162 are electrically connected to each other through the molten metal that penetrates into the porous block 510. It may be provided to the integrated management module 300.
- the second sensor 212b measures the state of whether the third wire 161 and the fourth wire 162 are electrically connected to each other through the molten metal.
- FIG. 13 shows that the molten metal 30 penetrates into the purging plug through the porous block 510 so that the third electric wire 121 and the fourth electric wire 122 are electrically connected to each other through the metal melt 30.
- 14 shows that the molten metal 30 penetrates into the inside of the purging plug along the outer surface of the block case 530 so that the first electrical wire 111 and the second electrical wire 112 are molten metal. It shows the state connected electrically through 30.
- the molten metal 30 flowing along the outer surface of the block case 530 is in close contact with the inner surface of the block case 530 while melting the block case.
- the second electric wire 152 By melting the second electric wire 152, the first electric wire 151 and the second electric wire 152 are electrically connected to each other through the metal melt 30.
- the first wire unit 150 is disposed between the inner surface of the block case 530 and the outer surface of the porous block, the second wire unit 160 to be disposed in the central region of the porous block 510, As the molten metal moves along the outer surface of the block case 530, it is easy to check whether the molten metal has penetrated into the purging plug 500 and whether the molten metal has penetrated into the porous block 510.
- FIG. 15 is a perspective view illustrating main parts of a cable module disposed on a tap road in the integrated member to be heated management system according to a fourth embodiment of the present invention.
- the integrated member to be heated management system according to a fourth embodiment of the present invention, the heating member, the cable module 100, the measurement module 200 and the integrated management module 300 And a local terminal 400.
- the measurement module 200 In the configuration of the measurement module 200, the integrated management module 300 and the local terminal 400 of the fourth embodiment of the present invention, the measurement module 200 and the integrated management of the first embodiment of the present invention described above Detailed description of the same configuration as the module 300 and the local terminal 400 will be omitted.
- the heated member according to the fourth embodiment of the present invention may be a runway refractory 730, the runway refractory 730 is disposed on the runway 700 to which the melt (not shown) is moved In order to prevent the molten metal case 710 and the melt from contacting.
- the ballistic refractory 730 is to prevent the molten case 710 of the ballway by the melt.
- the runway 700 is disposed outside to guide the movement of the melt (not shown) and the runway case 710 and the inside of the runway case 710. And a high strength refractory 720 that protects the molten iron case 710 against the melt, and a refractory refractory 730 disposed inside the high brightness refractory 720 to move the melt directly.
- the cable module according to the fourth embodiment of the present invention includes a first cable module 191, a second cable module 193, and a third cable module 195.
- the first cable module 191 may be disposed in one partition wall of the ballistic refractory 730.
- the first cable module 191 is formed in the same manner as the first planar cable module 191a of the mesh shape and the first planar cable 191a, and spaced apart from the first planar cable module 191a by a predetermined distance. It may include a second planar cable module 191b.
- planar cable modules may be increased or reduced depending on the size and structure of the water resistant refractory 730.
- the second cable module 193 may be disposed in the other partition wall of the ballistic refractory 730.
- the second cable module 193 may include a third planar cable module 193a and a fourth planar cable module 193b having the same shape as the first planar cable module 191a and the second planar cable module 191b. It may include.
- the third cable module 195 may be disposed inside the bottom side of the ballistic refractory 730.
- the third cable module 195 may include a fifth planar cable module 195a and a sixth planar cable module 195b having the same shape as the first planar cable module 191a and the second planar cable module 191b. It may include.
- first planar cable module 191a, the third planar cable module 193a, and the fifth planar cable module 195a are disposed in close proximity to the melt that is moved inside the ballistic refractory 730.
- the second planar cable module 191b, the fourth planar cable module 195b, and the sixth planar cable module 195b may be disposed to be close to the steel case 710 in the ballistic refractory. have.
- each planar cable module may be composed of a plurality of first unit cables and a plurality of second unit cables disposed to be spaced apart from each other in a state where they cross the first unit cable. As a result, each planar cable module is formed in a mesh shape.
- each planar cable may be arranged in a spiral or sand form or a straight line on a plane rather than in a mesh form.
- the measurement module may include a first measurement module, a second measurement module, and a third measurement module.
- the first measurement module is connected to the first planar cable module 191a and the second planar cable module 191b to generate electrical signals generated by the first planar cable module 191a and the second planar cable module 191b. It may include a first planar measurement module and a second planar measurement module for measuring respectively.
- the second measurement module is connected to the third planar cable module 193a and the fourth planar cable module 193b and is generated by the third planar cable module 193a and the fourth planar cable module 193b. And a third planar measurement module and a fourth planar measurement module respectively measuring electrical signals.
- the third measuring module is connected to the fifth planar cable module 195a and the sixth planar cable 195b module, and is generated by the fifth planar cable module 195a and the sixth planar cable module 195b. And a fifth planar measuring module and a sixth planar measuring module respectively measuring electrical signals.
- each planar cable measurement module may include a plurality of first unit cables and a first unit measurement module and a second unit measurement module respectively connected to the second unit cable.
- the melt refractory 730 when the melt refractory 730 is damaged by the melt, the melt penetrates into the melt refractory 730.
- the melt penetrates into the water refractories 730, the first planar cable module 191a, the third planar cable module 193a, and the fifth planar cable that are primarily disposed in close proximity to the melt.
- the module 195a is damaged and the first planar cable module 191a, the third planar cable module 193a, and the fifth planar cable module 195a are damaged, the first planar measurement module and the Electrical signals measured by the third on-plane measurement module and the fifth on-plane measurement module are changed.
- the damage state and position of the water refractories 730 can be identified primarily through each electric signal that is damaged and changed.
- the melt penetrated into the molten refractory is secondary to the second planar cable module 191b, the fourth planar cable module 193b and the sixth planarly disposed close to the steel case 710.
- the cable module 195b is damaged and the second planar cable module 191b, the fourth planar cable module 193b, and the sixth planar cable module 195b are damaged.
- the electrical signals measured by the fourth on-plane measurement module and the sixth on-plane measurement module are changed.
- the melt penetrates into the water refractories 730 and the second planar cable module 191b, the fourth planar cable module 193b, and the sixth planar cable 611 disposed close to the iron case 710.
- the planar cable module 193b Through the respective electric signals that are damaged and changed in the planar cable module 193b, it is possible to check the damage state and position of the water refractories 730 secondarily.
- the melt is measured. It is determined that the situation may damage the shell case 710 so that the water resistant refractory 730 can be exchanged from the mall case 710.
- each planar cable module may be installed in a separate cable block (not shown), and each cable block may be installed at one side partition and the other side partition and the bottom side of the ballistic refractory 730, respectively. have.
- FIG. 16 is a diagram illustrating a control method of a system for managing a member to be heated according to an embodiment of the present invention.
- Figure 16 shows the case where the refractory is a purging blog.
- the information generated by the cable module 100 is measured by the measuring module 200.
- the information measured in the information measuring step S10 may be an electrical signal for a resistance value or a current value that is changed as the cable module 100 is damaged while the heated member is damaged by the melt 30. It may be an electrical signal for a change in the electrical connection state of the cable module 100 due to the melt 30 penetrated into the purging plug 500.
- refractory state determining step (S20) to determine the damage state of the refractory 10 by analyzing the information measured by the measurement module 200 by the integrated management module 300.
- the information measured in the information measuring step (S10) is an electrical signal for the resistance value or the current value
- the refractory state determining step (S20) the cable module 100 damaged in response to the changed resistance value or current value.
- the distance of penetration of the melt into the inside of the member to be heated may be determined through the insertion position of the damaged cable module 100.
- the alarm information display step (S30) when the state of the refractory 10 is out of the range of the normal state, the alarm information is displayed in the alarm means disposed adjacent to the refractory 10.
- the state of the refractory 10 is displayed on the data output unit 370 by the integrated management module 300.
- the management information for the refractory 10 by the integrated management module 300 to the local terminal ( 400).
- the step of identifying the refractory (S20) Determines whether the melt 30 has penetrated along the outer surface of the block case 530 and penetrated into the first set position into the purging plug 500, and the melt 30 is Determining whether the porous block 510 has penetrated to the second set position may be performed.
- the present invention provides a member to be heated when a heating member installed inside various industrial furnaces (heating furnace, heat treatment furnace, firing furnace, blast furnace flow furnace, etc.) used in steel mills, power plants, glass forming plants, etc. is damaged by thermal shock. It can be applied to the integrated member management system to be able to immediately grasp the condition of the member.
- various industrial furnaces heating furnace, heat treatment furnace, firing furnace, blast furnace flow furnace, etc.
- the present invention can be applied to the integrated member heating management system that can easily grasp the damage position of the member to be heated and the degree of damage of the member to be heated.
- the present invention is applied to the integrated member management system to manage the heating member of the industrial furnace to prevent heat loss of the industrial furnace due to the damaged member, damage to the external equipment, safety accidents of field workers, etc. can do.
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Abstract
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- 고온의 용융물에 의해 가열되는 피가열부재의 손상상태를 통합 관리하기 위한 피가열부재 통합관리 시스템에 있어서,상기 피가열부재의 내부에 적어도 일부분이 삽입되어 있는 케이블모듈;상기 피가열부재의 외부에 배치되고, 상기 케이블모듈에서 발생되는 정보를 측정하는 계측모듈;상기 계측모듈에서 측정된 정보를 바탕으로 상기 용융물에 의한 상기 피가열부재의 손상 변화를 파악하고, 상기 피가열부재의 변화 상태를 표시하며, 상기 피가열부재에 대한 관리정보를 생성하는 통합관리모듈; 및상기 통합관리모듈로부터 상기 피가열부재에 대한 관리정보를 수신하는 로컬단말;을 포함하는 것을 특징으로 하는 피가열부재 통합관리 시스템.
- 제1항에 있어서,상기 계측모듈은 상기 케이블모듈에서 발생되는 정보를 측정하되, 상기 용융물에 의해 상기 피가열부재가 손상되면서 상기 케이블모듈이 손상됨에 따라 변경되는 저항값을 측정하고,상기 통합관리모듈은, 변경된 상기 저항값에 대응하여 손상된 상기 케이블모듈의 삽입 위치를 도출하고, 손상된 상기 케이블모듈의 삽입 위치를 통해 상기 용융물이 상기 피가열부재의 내부로 침투한 거리를 파악하는 것을 특징으로 하는 피가열부재 통합관리 시스템.
- 제1항에 있어서,상기 케이블모듈은,상호 이격 배치되는 다수의 제1단위케이블; 및상기 제1단위케이블과 교차된 상태에서 상호 이격 배치되는 다수의 제2단위케이블;을 포함하고,상기 계측모듈은, 상기 케이블모듈에서 발생되는 전기신호를 측정하되,상기 제1단위케이블과 1:1 대응으로 결합되어 상기 제1단위케이블에서 발생되는 전기신호를 측정하는 제1단위계측유닛; 및상기 제2단위케이블과 1:1 대응으로 결합되어 상기 제2단위케이블에서 발생되는 전기신호를 측정하는 제2단위계측유닛;을 포함하며,상기 통합관리모듈은, 상기 용융물에 의해 손상되는 상기 제1단위케이블과 상기 제2단위케이블의 위치를 통해 상기 피가열부재의 두께 방향에 수직인 평면 상에서 상기 피가열부재의 손상 위치를 파악하는 것을 특징으로 하는 피가열부재 통합관리 시스템.
- 제2항에 있어서,상기 케이블모듈과 상기 계측모듈 사이에는 기설정된 저항값을 갖는 고정저항유닛이 연결되고,상기 케이블모듈, 상기 계측모듈 및 상기 고정저항유닛은 폐루프를 형성하는 것을 특징으로 하는 피가열부재 통합관리 시스템.
- 제1항에 있어서,상기 피가열부재는 내화물과, 상기 내화물의 두께 방향으로 형성된 관통홀에 결합되어 상기 용융물에 기포를 공급하는 퍼징플러그를 포함하고,상기 퍼징플러그는 상기 케이블모듈의 적어도 일부분이 내부에 설치되는 잔존측정블럭을 포함하는 것을 특징으로 하는 피가열부재 통합관리 시스템.
- 제1항에 있어서,상기 케이블모듈은 상기 피가열부재의 두께 방향을 따라 이웃하게 배치되는 제1 케이블모듈 및 제2 케이블모듈을 포함하고,상기 계측모듈은 상기 제1 케이블모듈에 흐르는 제1 전류값을 측정하는 제1 계측모듈, 상기 제2 케이블모듈에 흐르는 제2 전류값을 측정하는 제2 계측모듈을 포함하며,상기 통합관리모듈은 상기 제1 전류값 및 제2 전류값을 바탕으로 상기 용융물에 의하여 손상된 상기 케이블모듈의 삽입 위치를 도출하고, 손상된 상기 케이블모듈의 삽입 위치를 통해 상기 용융물이 상기 피가열부재의 내부로 침투한 거리를 파악하는 것을 특징으로 하는 피가열부재 통합관리 시스템.
- 제1항에 있어서,상기 계측모듈은,상기 케이블모듈에서 발생되는 전기신호를 측정하는 센싱유닛; 및상기 센싱유닛에서 측정된 전기신호를 상기 통합관리모듈로 송신하는 데이터송신부;를 포함하고,상기 통합관리모듈은,상기 데이터송신부에서 송신하는 전기신호를 수신하는 데이터수신부;상기 데이터수신부에서 수신한 전기신호를 연산하여 상기 피가열부재의 손상상태를 파악하는 데이터분석부;상기 데이터분석부에서 파악된 상기 피가열부재의 손상상태를 모니터링하도록 표시하는 데이터출력부; 및상기 데이터분석부에서 파악된 상기 피가열부재의 손상상태를 바탕으로 상기 피가열부재에 대한 관리정보를 생성하여 상기 로컬단말로 송신하는 관리지시부;를 포함하는 것을 특징으로 하는 피가열부재 통합관리 시스템.
- 제1항에 있어서,상기 케이블모듈은,전기적으로 서로 연결되지 않은 상태에서 서로 이웃하게 배치되는 제1 전선유닛 및 제2 전선유닛을 포함하고,상기 계측모듈은 상기 계측모듈은 상기 케이블모듈에서 발생되는 정보를 측정하되, 상기 피가열부재의 내부로 침투한 상기 용융물을 매개로 상기 제1 전선유닛 및 제2 전선유닛이 전기적으로 서로 연결되어 있는지를 포함하는 상기 케이블모듈의 상태를 측정하며,상기 계측모듈은 상기 제1 전선유닛 및 상기 제2 전선유닛과 개별적으로 각각 연결되어 있는 전원유닛과, 상기 제1 전선유닛 및 제2 전선유닛에 흐르는 전류를 측정하기 위한 센싱유닛을 포함하는 것을 특징으로 하는 피가열부재 통합관리시스템.
- 제8항에 있어서,상기 제1 전선유닛은 금속전선과, 상기 금속전선의 외측면에 코팅되어 상기 피가열부재가 제조되는 과정에서 상기 제1 전선유닛과 상기 제2 전선유닛이 전기적으로 연결되지 않도록 하기 위한 코팅층을 포함하는 것을 특징으로 하는 피가열부재 통합관리시스템.
- 제1항에 있어서,상기 피가열부재는 퍼징플러그이고, 상기 용융물은 금속용용물이며,상기 계측모듈은 상기 케이블모듈에서 발생되는 정보를 측정하되, 상기 퍼징플러그의 내부로 침투한 상기 금속용융물로 인한 상기 케이블모듈의 전기적 연결 상태의 변화를 측정하고,상기 케이블모듈은,전기적으로 서로 연결되지 않은 상태에서 서로 이웃하게 배치되는 제1 전선 및 제2 전선을 갖는 제1 전선유닛과,전기적으로 서로 연결되지 않은 상태에서 서로 이웃하게 배치되는 제3 전선 및 제4전선을 가지되, 상기 제1 전선유닛과 전기적으로 연결되지 않은 상태로 상기 퍼징플러그의 내부 영역상에서 상기 제1 전선유닛과 일정거리 떨어진 위치에 배치되는 제2 전선유닛을 포함하며,상기 금속용융물이 상기 케이블모듈의 적어도 일부영역에 접촉됨으로 인하여 상기 케이블모듈의 전기적 연결 상태가 변화되는 것을 특징으로 하는 피가열부재 통합관리 시스템.
- 제10항에 있어서,상기 퍼징플러그는 래들의 내부공간으로 기체를 공급하기 위한 다공성 블럭과, 상기 다공성 블럭을 감싸는 내부 내화물 블럭과, 상기 내부 내화물 블럭을 감싸는 블럭케이스와, 상기 블럭케이스의 외부를 감싸는 외부 내화물 블럭과, 상기 다공성 블럭으로 기체를 주입하기 위한 기체주입관을 포함하며,상기 블럭케이스는 상기 외부 내화물 블럭을 향하여 돌출된 돌출부을 포함하고, 상기 제1 전선 및 상기 제2 전선은 상기 돌출부의 내측면상에 배치되는 것을 특징으로 하는 피가열부재 통합관리 시스템.
- 제11항에 있어서,상기 케이블모듈은 상기 제1 전선유닛과 상기 제2 전선유닛을 물리적으로 연결하는 비전도성 재질의 연결부재를 더 포함하는 것을 특징으로 하는 피가열부재 통합관리 시스템.
- 제12항에 있어서,상기 제1 전선유닛, 상기 연결부재 및 상기 제2 전선유닛은 상기 다공성 블럭의 바닥면을 기준으로 동일한 평면상에 일체로 배치되되, 상기 제1 전선유닛은 상기 블럭케이스의 내측면과 상기 다공성 블럭의 외측면 사이에 배치되고, 상기 제2 전선유닛은 상기 다공성 블럭의 중심영역에 배치되는 것을 특징으로 하는 피가열부재 통합관리 시스템.
- 제12항에 있어서,상기 케이블모듈은 상기 제1 전선유닛과 상기 계측모듈을 전기적으로 연결하기 위한 제1 연결전선과, 상기 제2 전선유닛과 상기 계측모듈을 전기적으로 연결하기 위한 제2 연결전선을 더 포함하고,상기 제1 전선유닛은 상기 제1 전선 및 상기 제2 전선을 감싸기 위한 제1 전선피복을 더 포함하고, 상기 제2 전선유닛은 상기 제3 전선 및 상기 제4 전선을 감싸기 위한 제2 전선피복을 더 포함하는 것을 특징으로 하는 피가열부재 통합관리 시스템.
- 제11항에 있어서,상기 계측모듈은 상기 제1 전선유닛 및 상기 제2 전선유닛과 개별적으로 각각 연결되어 있는 전원유닛과, 상기 제1 전선유닛에 흐르는 전류를 측정하기 위한 제1 센서와, 상기 제2 전선유닛에 흐르는 전류를 측정하기 위한 제2 센서와, 상기 제1 센서 및 상기 제2 센서에서 측정된 정보를 상기 통합관리모듈로 송신하기 위한 데이터 송신부를 포함하는 것을 특징으로 하는 피가열부재 통합관리 시스템.
- 제15항에 있어서,상기 제1 센서는 상기 블럭케이스의 외측면을 따라 이동되면서 상기 블럭케이스를 용융시킨 금속용융물을 매개로 상기 제1 전선과 상기 제2 전선이 전기적으로 연결되어 있는지를 판단하기 위한 정보를 상기 통합관리모듈로 제공하고, 상기 제2 센서는 상기 다공성 블럭의 내부로 침투한 금속용융물을 매개로 상기 제3 전선과 상기 제4전선이 전기적으로 연결되어 있는지를 판단하기 위한 정보를 상기 통합관리모듈로 제공하는 것을 특징으로 하는 피가열부재 통합관리 시스템.
- 제1항에 있어서,상기 피가열부재는 탕도에 배치되는 탕도 내화물이고,상기 케이블모듈은,상기 탕도 내화물의 일측 격벽 내부에 배치되는 제1 케이블모듈;상기 탕도 내화물의 타측 격벽 내부에 배치되는 제2 케이블모듈; 및상기 탕도 내화물의 바닥측 내부에 배치되는 제3 케이블모듈;을 포함하고,상기 계측모듈은,상기 제1 케이블모듈과 연결되어 상기 제1 케이블모듈에서 발생된 전기신호를 측정하는 제1 계측모듈;상기 제2 케이블모듈과 연결되어 상기 제2 케이블모듈에서 발생된 전기신호를 측정하는 제2 계측모듈; 및상기 제3 케이블모듈과 연결되어 상기 제3 케이블모듈에서 발생된 전기신호를 측정하는 제3 계측모듈;을 포함하는 것을 특징으로 하는 피가열부재 통합관리 시스템.
- 제1항에 기재된 피가열부재 통합관리 시스템을 제어하기 위한 피가열부재 통합관리 시스템의 제어방법에 있어서,상기 계측모듈을 이용하여 상기 케이블모듈에서 발생되는 정보를 측정하는 단계;상기 통합관리모듈을 이용하여 상기 계측모듈에서 측정된 정보를 분석하여 상기 피가열부재의 손상상태를 파악하는 단계;상기 통합관리모듈을 이용하여 상기 피가열부재의 손상상태를 표시하는 단계; 및상기 통합관리모듈을 이용하여 상기 피가열부재에 대한 관리정보를 생성하고, 상기 피가열부재에 대한 관리정보를 상기 로컬단말로 송신하는 단계;를 포함하는 것을 특징으로 하는 피가열부재 통합관리 시스템의 제어방법.
- 제18항에 있어서,상기 케이블 모듈에서 발생되는 정보를 측정하는 단계에서 측정된 정보는,상기 용융물에 의해 상기 피가열부재가 손상되면서 상기 케이블모듈이 손상됨에 따라 변경되는 저항값 또는 전류값에 대한 전기신호이고,상기 피가열부재의 손상상태를 파악하는 단계는,변경된 상기 저항값 또는 전류값에 대응하여 손상된 상기 케이블모듈의 삽입 위치를 도출하고, 손상된 상기 케이블모듈의 삽입 위치를 통해 상기 용융물이 상기 피가열부재의 내부로 침투한 거리를 파악하는 것을 특징으로 하는 피가열부재 통합관리 시스템의 제어방법.
- 제18항에 있어서,상기 케이블 모듈에서 발생되는 정보를 측정하는 단계에서 측정된 정보는,상기 퍼징플러그의 내부로 침투한 상기 용융물로 인한 상기 케이블모듈의 전기적 연결 상태의 변화에 대한 전기신호이며,상기 퍼징플러그의 손상상태를 파악하는 단계는 상기 용융물이 블럭케이스의 외측면을 따라 이동되면서 상기 퍼징플러그의 내부로 제1 설정위치까지 침투되었는지를 판단하는 단계와, 용융물이 다공성 블럭의 내부로 제2 설정위치까지 침투되었는지를 판단하는 단계를 포함하는 퍼징플러그 통합관리 시스템의 제어방법.
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JP2019536504A JP7038126B2 (ja) | 2017-02-01 | 2018-01-29 | 被加熱部材の統合管理システム |
US16/477,192 US11940218B2 (en) | 2017-02-01 | 2018-01-29 | Integrated heated member management system and method for controlling same |
KR1020187008106A KR101942805B1 (ko) | 2017-02-01 | 2018-01-29 | 피가열부재 통합관리 시스템과 이의 제어방법 |
CN201880008046.4A CN110199168B (zh) | 2017-02-01 | 2018-01-29 | 被加热部件综合管理系统及其控制方法 |
EP18747325.1A EP3553442B1 (en) | 2017-02-01 | 2018-01-29 | An integrated heated member management system and method for controlling same |
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KRPCT/KR2017/002178 | 2017-02-28 | ||
PCT/KR2017/002178 WO2018159863A1 (ko) | 2017-02-28 | 2017-02-28 | 피가열부재 통합관리 시스템과 이의 제어방법 |
KRPCT/KR2017/011775 | 2017-10-24 | ||
PCT/KR2017/011775 WO2019083054A1 (ko) | 2017-10-24 | 2017-10-24 | 퍼징플러그 통합관리 시스템 및 이의 제어방법 |
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KR101942805B1 (ko) | 2019-04-17 |
EP3553442A4 (en) | 2020-05-20 |
JP2020518778A (ja) | 2020-06-25 |
CN110199168B (zh) | 2022-01-14 |
CN110199168A (zh) | 2019-09-03 |
US11940218B2 (en) | 2024-03-26 |
KR20180099624A (ko) | 2018-09-05 |
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