CN115323092B - Blast furnace lining ablation monitoring device and monitoring method thereof - Google Patents
Blast furnace lining ablation monitoring device and monitoring method thereof Download PDFInfo
- Publication number
- CN115323092B CN115323092B CN202210934540.1A CN202210934540A CN115323092B CN 115323092 B CN115323092 B CN 115323092B CN 202210934540 A CN202210934540 A CN 202210934540A CN 115323092 B CN115323092 B CN 115323092B
- Authority
- CN
- China
- Prior art keywords
- monitoring
- elastic wave
- proximity switch
- work
- furnace lining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/006—Automatically controlling the process
Abstract
The invention discloses a blast furnace lining ablation monitoring device, which comprises a furnace body, a resistance monitoring mechanism, a shock elastic wave monitoring mechanism and an intelligent controller, wherein the resistance monitoring mechanism, the shock elastic wave monitoring mechanism and the intelligent controller are mutually matched to realize multi-point monitoring work, the resistance monitoring mechanism can complete resistance monitoring work, so that the thickness monitoring work of an ablated furnace lining can be completed, the shock elastic wave monitoring mechanism can complete the early defect monitoring work of the furnace lining and the monitoring work of the ablated blast furnace lining, the monitoring precision can be improved, and the first-aid repair time is not delayed; the first proximity switch, the second proximity switch and the two proximity blocks are matched with each other, so that the control work of the FMT sensor and the elastic wave receiver can be completed simultaneously, the resistance monitoring mechanism and the impact elastic wave monitoring mechanism can complete the monitoring control work simultaneously, and the monitoring precision of the blast furnace lining ablation is improved.
Description
Technical Field
The invention belongs to the related technical field of supporting equipment in blast furnace smelting, and particularly relates to a blast furnace lining ablation monitoring device and a blast furnace lining ablation monitoring method.
Background
The blast furnace is an important device of a ferrous metallurgy enterprise, and the operation of the blast furnace directly relates to the operation of the whole flow of the whole steel plant. And the furnace lining of the blast furnace is seriously damaged, so that the blast furnace cannot continue to produce.
At present, in the traditional detection method for the ablation of the furnace lining of the blast furnace, whether the furnace shell is reddish, swelled and air leakage or the lining is buried in multiple layers is generally observed by eyes and ears, and the erosion condition of the furnace body of the blast furnace is estimated according to the temperature of each layer of thermocouples. The disadvantages are: early defects of the furnace lining cannot be found in time, and repair time is shortened; the damage degree of the furnace lining cannot be determined, so that the blast furnace lining ablation monitoring device and the blast furnace lining ablation monitoring method with enough accuracy are provided to solve the problems.
Disclosure of Invention
The invention aims to provide a blast furnace lining ablation monitoring device and a blast furnace lining ablation monitoring method, so as to solve the problem that early defects of a furnace lining cannot be found in time and repair time is lost in the background technology; the damage degree of the furnace lining can not be determined.
In order to achieve the above purpose, the present invention provides the following technical solutions: the blast furnace lining ablation monitoring device comprises a furnace body, a resistance monitoring mechanism, a shock elastic wave monitoring mechanism and an intelligent controller,
the furnace body comprises a cooling wall, a furnace shell, a filler and a furnace lining, wherein the furnace lining, the filler, the cooling wall and the furnace shell are sequentially and fixedly connected in sequence from inside to outside to finish the construction of the blast furnace;
the resistance monitoring mechanism comprises an FMT sensor and a resistance rod, wherein the FMT sensor is electrically connected with the resistance rod, and the resistance rod penetrates through the furnace shell, the cooling wall and the filler respectively and stretches into the furnace lining;
a shock elastic wave monitoring mechanism including an impact mechanism for generating an acoustic wave and an elastic wave receiver for receiving a rebound wave;
the intelligent controller is electrically connected with the servo motor, the FMT sensor, the elastic wave receiver, the first proximity switch and the second proximity switch respectively, and intelligent control over the servo motor, the FMT sensor, the elastic wave receiver, the first proximity switch and the second proximity switch is completed.
Preferably, the striking mechanism comprises a supporting diaphragm, a servo motor, a supporting vertical plate, a speed reducer and a striking block, wherein the speed reducer is arranged in the middle of one end face of the supporting diaphragm, an output shaft of the speed reducer penetrates through and stretches out of the supporting diaphragm, an S-shaped push plate is sleeved on the outer wall of the output shaft of the speed reducer, approaching blocks are arranged on the upper side and the lower side of the S-shaped push plate, the servo motor is arranged at the input end of the speed reducer, through hole supporting sleeve seats are fixedly connected with the two sides of the other end face of the supporting diaphragm, which are close to the S-shaped push plate, a T-shaped round rod is connected to one side, which is far away from the supporting diaphragm, of the through hole supporting sleeve seats in a sliding manner, one end of the T-shaped round rod extends to the furnace shell, the T-shaped round rod is positioned on the outer side of the S-shaped push plate, the T-shaped round rod is fixedly connected with a sleeve plate near the outer wall of the S-shaped push plate, and the sleeve plate contacts with the outer wall of the S-shaped push plate, one end of the T-shaped round rod, which is close to the furnace shell, is fixedly connected with an impact column, one side of the T-shaped round rod, which is close to the furnace shell, is sleeved with a spring, the spring is positioned between the impact column and the through hole supporting sleeve seat, a first proximity switch and a second proximity switch are respectively installed on the outer wall, which is close to two proximity blocks, of the supporting transverse plate, one end, which is close to the furnace shell, of the supporting transverse plate is fixedly connected with a supporting vertical plate, the supporting vertical plate is fixed on the outer wall of the furnace shell, the impact block is fixed on the outer wall of the supporting vertical plate, the impact column contacts with the outer wall of the impact block, and an elastic wave receiver is installed on the outer wall of the supporting vertical plate and positioned below the supporting transverse plate.
Preferably, the number of the shock elastic wave monitoring mechanisms is multiple, and the shock elastic wave monitoring mechanisms are distributed on the outer wall of the furnace shell in an annular structure.
Preferably, the intelligent controller is an industrial PLC controller.
Preferably, the distance between the end of the resistance rod far away from the FMT sensor and the inner wall of the furnace lining is two centimeters.
Preferably, the first proximity switch is located at the upper side of the supporting transverse plate, and the first proximity switch is matched with the two proximity blocks to control the FMT sensor.
Preferably, the second proximity switch is located at the lower side of the supporting transverse plate, and the second proximity switch is matched with the two proximity blocks to complete control of the elastic wave receiver.
The blast furnace lining ablation monitoring method comprises the following steps:
s1, pre-burying a resistance rod in a plurality of resistance monitoring mechanisms in a furnace body in an annular structure, enabling the distance between one end of the resistance rod and the inner wall of a furnace lining to be two centimeters, electrically connecting the resistance rod with an FMT sensor, and simultaneously installing the plurality of resistance monitoring mechanisms on the furnace body in an annular structure and opposite to the plurality of resistance monitoring mechanisms;
s2, electrically connecting an FMT sensor in the resistance monitoring mechanisms and a servo motor, an elastic wave receiver, a first proximity switch and a second proximity switch in the impact elastic wave monitoring mechanisms with an intelligent controller, and simultaneously electrically connecting the intelligent controller with a central control end, and then, completing parameter setting work on the intelligent controller by a worker to complete intelligent control on the servo motor, the FMT sensor, the elastic wave receiver, the first proximity switch and the second proximity switch;
s3, through operating the intelligent controller, the intelligent controller controls a plurality of servo motors to work, and drives the S-shaped push plate to rotate anticlockwise through the speed reducer, so that two proximity blocks on the S-shaped push plate are driven to rotate anticlockwise, meanwhile, the sleeve plate, the T-shaped round rod and the impact column are pushed to move outwards and squeeze the springs, when the S-shaped push plate is in a horizontal state, the sleeve plate, the T-shaped round rod and the impact column move to the outermost end, when the S-shaped push plate continues to rotate, and the S-shaped push plate is separated from the sleeve plate, the first proximity switch is aligned with one proximity block, the second proximity switch is aligned with the other proximity block, and when the two proximity blocks are aligned with the first proximity switch and the second proximity switch respectively, the FMT sensor and the elastic wave receiver are controlled to work; meanwhile, the S-shaped push plate is separated from the sleeve plate, the spring stretches, so that the impact column is pushed to the impact block, shock waves are generated, a part of the generated shock waves are transmitted in the atmosphere, the shock waves are converted into pulse signals by the elastic wave receiver to determine the starting moment of measurement, the rest shock waves are transmitted in the furnace body, some frequencies are amplified and then sent to the intelligent controller for processing and analysis, the thickness of the furnace body can be calculated according to the sound velocity and the reflection time of the observed waveform, and after the intelligent controller displays calculated data, the judgment work is conveniently carried out by staff, so that the monitoring work of the ablation of the blast furnace lining is realized;
s4, when the FMT sensor works, the FMT sensor acquires the change data of the resistor rod and transmits the change data to the inside of the intelligent controller, the intelligent controller analyzes and processes the data after receiving the data, and after finishing the data processing work, the intelligent controller can display the residual thickness of the furnace lining, so that the monitoring work of the ablation of the furnace lining of the blast furnace can be realized;
s5, when the S-shaped push plate is erected and the rotation work is continued, the S-shaped push plate can push the sleeve plate, the T-shaped round rod and the impact column outwards again, so that the monitoring work can be carried out again, the monitoring work can be timely completed, and meanwhile, the monitoring precision can be improved through the multiple resistance monitoring mechanisms and the multiple impact elastic wave monitoring mechanisms.
Compared with the prior art, the invention provides a blast furnace lining ablation monitoring device and a blast furnace lining ablation monitoring method, and has the following beneficial effects:
1. according to the invention, through the mutual matching of the plurality of resistance monitoring mechanisms, the plurality of impact elastic wave monitoring mechanisms and the intelligent controller, the multipoint monitoring work can be realized, and the plurality of resistance monitoring mechanisms can complete the resistance method monitoring work, so that the thickness monitoring work of the ablated furnace lining can be completed, the plurality of impact elastic wave monitoring mechanisms can complete the monitoring work of early defects of the furnace lining and the monitoring work of the ablated blast furnace lining, thus the monitoring precision can be improved, and the time for repairing is not delayed;
2. according to the invention, through the mutual matching of the first proximity switch, the second proximity switch and the two proximity blocks, the control work of the FMT sensor and the elastic wave receiver can be completed simultaneously, so that the resistance monitoring mechanism and the impact elastic wave monitoring mechanism can complete the monitoring control work simultaneously, and the monitoring precision of the blast furnace lining ablation can be improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the invention and do not constitute a limitation to the invention, and in which:
FIG. 1 is a schematic top view of a blast furnace lining ablation monitoring device according to the present invention;
FIG. 2 is a schematic diagram of a front semi-sectional view of a blast furnace lining ablation monitoring device;
FIG. 3 is an enlarged schematic view of the portion A of FIG. 1;
FIG. 4 is a schematic elevational view of the impact mechanism;
fig. 5 is a schematic diagram of a control flow.
In the figure: 1. a supporting cross plate; 2. FMT sensor; 3. an intelligent controller; 4. a servo motor; 5. a supporting vertical plate; 6. a speed reducer; 7. an elastic wave receiver; 8. an S-shaped push plate; 9. a cooling wall; 10. a furnace shell; 11. a filler; 12. a furnace lining; 13. a resistor rod; 14. a sleeve plate; 15. a proximity block; 16. a spring; 17. a first proximity switch; 18. a second proximity switch; 19. the through hole supports the sleeve seat; 20. t-shaped round rod; 21. an impact post; 22. and (5) impacting the block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the blast furnace lining ablation monitoring device and the monitoring method thereof comprise a furnace body, a resistance monitoring mechanism, a shock elastic wave monitoring mechanism and an intelligent controller 3,
the furnace body comprises a cooling wall 9, a furnace shell 10, a filler 11 and a furnace lining 12, wherein the furnace lining 12, the filler 11, the cooling wall 9 and the furnace shell 10 are sequentially and fixedly connected in sequence from inside to outside to finish the construction of the blast furnace;
the resistance monitoring mechanism comprises an FMT sensor 2 and a resistance rod 13, wherein the FMT sensor 2 is electrically connected with the resistance rod 13, and the resistance rod 13 penetrates through the furnace shell 10, the cooling wall 9 and the filler 11 respectively and stretches into the furnace lining 12;
a shock elastic wave monitoring mechanism including an striking mechanism for generating an acoustic wave and an elastic wave receiver 7 for receiving a rebound wave;
the intelligent controller 3, the intelligent controller 3 is electrically connected with the servo motor 4, the FMT sensor 2, the elastic wave receiver 7, the first proximity switch 17 and the second proximity switch 18 respectively, and intelligent control over the servo motor 4, the FMT sensor 2, the elastic wave receiver 7, the first proximity switch 17 and the second proximity switch 18 is completed.
As shown in fig. 2, 3 and 4, the striking mechanism comprises a supporting diaphragm 1, a servo motor 4, a supporting vertical plate 5, a speed reducer 6 and a striking block 22, wherein the speed reducer 6 is installed in the middle of one end face of the supporting diaphragm 1, an output shaft of the speed reducer 6 penetrates through and extends out of the supporting diaphragm 1, the upper side and the lower side of an S-shaped push plate 8,S type push plate 8 are sleeved on the outer wall of the output shaft of the speed reducer 6, approaching blocks 15 are installed on the upper side and the lower side of the output shaft of the speed reducer 6, the servo motor 4 is installed at the input end of the speed reducer 6, through hole supporting sleeve seats 19 are fixedly connected to the two sides of the other end face of the supporting diaphragm 1, which are close to the S-shaped push plate 8, one side of the two through hole supporting sleeve seats 19, which are far away from the supporting diaphragm 1, is slidingly connected with T-shaped round rods 20, one ends of the T-shaped round rods 20 extend to a furnace shell 10, the T-shaped round rods 20 are positioned on the outer side of the S-shaped push plate 8, the outer wall of the T-shaped round rods 20, which are close to the S-shaped push plate 8, is fixedly connected with sleeve plates 14, the sleeve plate 14 is contacted with the outer wall of the S-shaped push plate 8, one end of the T-shaped round rod 20, which is close to the furnace shell 10, is fixedly connected with a striking column 21, one side outer wall of the T-shaped round rod 20, which is close to the furnace shell 10, is sleeved with a spring 16, the spring 16 is positioned between the striking column 21 and a through hole supporting sleeve seat 19, a first proximity switch 17 and a second proximity switch 18 are respectively arranged on the outer wall of the supporting diaphragm 1, which is close to the two proximity blocks 15, a supporting vertical plate 5 is fixedly connected with one end of the supporting diaphragm 1, which is close to the furnace shell 10, the supporting vertical plate 5 is fixed on the outer wall of the furnace shell 10, the striking block 22 is fixed on the outer wall of the supporting vertical plate 5, the striking column 21 is contacted with the outer wall of the striking block 22, an elastic wave receiver 7 is arranged on the outer wall of the supporting vertical plate 5, the elastic wave receiver 7 is positioned below the supporting diaphragm 1, and can generate monitored impact waves through a striking mechanism, after the elastic wave receiver 7 receives the rebound shock wave, the thickness of the furnace body can be calculated through the intelligent controller 3, so that a worker can conveniently judge whether the furnace lining 12 is corroded or not.
For the multi-point monitoring work, the number of the shock elastic wave monitoring mechanisms is multiple, the shock elastic wave monitoring mechanisms are distributed on the outer wall of the furnace shell 10 in an annular structure, and the multi-point monitoring work can be completed through the shock elastic wave monitoring mechanisms, so that the precision is improved.
In order to realize intelligent control work, the intelligent controller 3 is an industrial PLC controller, and through the intelligent controller 3, the intelligent control work is realized, meanwhile, the data processing work and the analysis work are better carried out, the analysis processing data are displayed, and the judgment of staff is facilitated.
In order to realize the monitoring work of the resistance method, the distance between one end of the resistance rod 13 far away from the FMT sensor 2 and the inner wall of the furnace lining 12 is two centimeters, and the residual thickness of the furnace lining 12 can be calculated by the intelligent controller 3 conveniently through the change of the resistance rod 13, so that the monitoring precision can be improved.
In order to realize timing control work, the first proximity switch 17 is located on the upper side of the supporting transverse plate 1, the first proximity switch 17 is matched with the two proximity blocks 15 to complete control of the FMT sensor 2, and the resistance monitoring mechanism can be controlled in a timing mode through the first proximity switch 17 and the two proximity blocks 15 to complete monitoring work.
In order to realize timing control work, the second proximity switch 18 is located at the lower side of the supporting diaphragm 1, the second proximity switch 18 is matched with the two proximity blocks 15 to complete control of the elastic wave receiver 7, and the second proximity switch 18 and the two proximity blocks 15 can be used for timing control of the impact elastic wave monitoring mechanism to complete monitoring work.
The blast furnace lining ablation monitoring method comprises the following steps:
s1, pre-burying a resistor rod 13 in a plurality of resistor monitoring mechanisms in a furnace body in an annular structure, enabling the distance between one end of the resistor rod 13 and the inner wall of a furnace lining 12 to be two centimeters, electrically connecting the resistor rod 13 with an FMT sensor 2, and simultaneously installing the plurality of resistor monitoring mechanisms on the furnace body in an annular structure and opposite to the plurality of resistor monitoring mechanisms;
s2, electrically connecting an FMT sensor 2 in a plurality of resistance monitoring mechanisms and a servo motor 4, an elastic wave receiver 7, a first proximity switch 17 and a second proximity switch 18 in a plurality of impact elastic wave monitoring mechanisms with the intelligent controller 3, simultaneously electrically connecting the intelligent controller 3 with a central control end, and then, completing parameter setting work on the intelligent controller 3 by a worker to complete intelligent control on the servo motor 4, the FMT sensor 2, the elastic wave receiver 7, the first proximity switch 17 and the second proximity switch 18;
s3, through operating the intelligent controller 3, the intelligent controller 3 controls the servo motors 4 to work, and drives the S-shaped push plate 8 to rotate anticlockwise through the speed reducer 6, so that two proximity blocks 15 on the S-shaped push plate 8 are driven to rotate anticlockwise, meanwhile, the sleeve plate 14, the T-shaped round rod 20 and the impact column 21 are pushed to move outwards, the spring 16 is extruded, when the S-shaped push plate 8 is in a horizontal state, the sleeve plate 14, the T-shaped round rod 20 and the impact column 21 move to the outermost end, when the S-shaped push plate 8 continues to rotate, and when the S-shaped push plate 8 is separated from the sleeve plate 14, the first proximity switch 17 is aligned with one proximity block 15, the second proximity switch 18 is aligned with the other proximity block 15, and when the two proximity blocks 15 are aligned with the first proximity switch 17 and the second proximity switch 18 respectively, the FMT sensor 2 and the elastic wave receiver 7 are controlled to work; at the same time, the S-shaped push plate 8 is separated from the sleeve plate 14, the spring 16 stretches, so that the impact column 21 is pushed to the impact block 22 and generates shock waves, a part of the generated shock waves propagate in the atmosphere, the shock waves are converted into pulse signals by the elastic wave receiver 7 to determine the starting moment of measurement, the rest shock waves propagate in the furnace body, some frequencies are amplified and then sent to the intelligent controller 3 for processing and analysis, the thickness of the furnace body can be calculated according to the sound velocity and the reflection time of the observed waveform, after the intelligent controller 3 displays calculation data, the judgment work is conveniently carried out by staff, and the monitoring work of the ablation of the blast furnace lining is realized;
s4, when the FMT sensor 2 works, the FMT sensor 2 acquires the change data of the resistor rod 13 and transmits the change data to the intelligent controller 3, after the intelligent controller 3 receives the data, the data are analyzed and processed, and after the intelligent controller 3 finishes the data processing, the residual thickness of the furnace lining 12 can be displayed, so that the monitoring work of the ablation of the furnace lining of the blast furnace can be realized;
s5, when the S-shaped push plate 8 is erected and the rotation work is continued, the S-shaped push plate 8 pushes the sleeve plate 14, the T-shaped round rod 20 and the impact column 21 to move outwards again, so that the monitoring work can be completed again, the monitoring work can be completed timely, and meanwhile, the monitoring precision can be improved through a plurality of resistance monitoring mechanisms and a plurality of impact elastic wave monitoring mechanisms.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Blast furnace lining ablation monitoring devices, including furnace body, resistance monitoring mechanism, impact elastic wave monitoring mechanism and intelligent control ware (3), its characterized in that:
the furnace body comprises a cooling wall (9), a furnace shell (10), a filler (11) and a furnace lining (12), wherein the furnace lining (12), the filler (11), the cooling wall (9) and the furnace shell (10) are sequentially and fixedly connected in sequence from inside to outside to finish the construction of a blast furnace;
the resistance monitoring mechanism comprises an FMT sensor (2) and a resistance rod (13), wherein the FMT sensor (2) is electrically connected with the resistance rod (13), and the resistance rod (13) penetrates through the furnace shell (10), the cooling wall (9) and the filler (11) respectively and stretches into the furnace lining (12);
a shock elastic wave monitoring mechanism including an striking mechanism for generating an acoustic wave and an elastic wave receiver (7) receiving a rebound wave;
the intelligent controller (3) is electrically connected with the servo motor (4), the FMT sensor (2), the elastic wave receiver (7), the first proximity switch (17) and the second proximity switch (18) respectively, and completes intelligent control on the servo motor (4), the FMT sensor (2), the elastic wave receiver (7), the first proximity switch (17) and the second proximity switch (18);
the impact mechanism comprises a supporting diaphragm (1), a servo motor (4), a supporting vertical plate (5), a speed reducer (6) and an impact block (22), wherein the speed reducer (6) is installed in the middle of one end face of the supporting diaphragm (1), an output shaft of the speed reducer (6) penetrates through and stretches out of the supporting diaphragm (1), an S-shaped push plate (8) is sleeved on the outer wall of the output shaft of the speed reducer (6), an approaching block (15) is installed on the upper side and the lower side of the S-shaped push plate (8), the servo motor (4) is installed at the input end of the speed reducer (6), through hole supporting sleeve bases (19) are fixedly connected to the two sides of the other end face of the supporting diaphragm (1) close to the S-shaped push plate (8), T-shaped round rods (20) are connected to one side of the through hole supporting sleeve bases (19) far away from the supporting diaphragm (1) in a sliding mode, one end of each T-shaped round rod (20) stretches to a furnace shell (10), each T-shaped round rod (20) is located on the outer side of the S-shaped push plate (8), each T-shaped round rod (20) is close to the S-shaped push plate (14), one end of each T-shaped round rod (20) is connected to the corresponding one end of the corresponding to the corresponding furnace shell (14) and is fixedly connected with one end of the corresponding T-shaped round rod (14), the T-shaped round rod (20) is sleeved with a spring (16) close to the outer wall of one side of the furnace shell (10), the spring (16) is positioned between an impact column (21) and a through hole supporting sleeve seat (19), a first proximity switch (17) and a second proximity switch (18) are respectively installed on the outer wall of the supporting transverse plate (1) close to two proximity blocks (15), one end of the supporting transverse plate (1) close to the furnace shell (10) is fixedly connected with a supporting vertical plate (5), the supporting vertical plate (5) is fixed on the outer wall of the furnace shell (10), the impact block (22) is fixed on the outer wall of the supporting vertical plate (5), the impact column (21) is in contact with the outer wall of the impact block (22), an elastic wave receiver (7) is installed on the outer wall of the supporting vertical plate (5), and the elastic wave receiver (7) is positioned below the supporting transverse plate (1);
the number of the shock elastic wave monitoring mechanisms is multiple, and the shock elastic wave monitoring mechanisms are distributed on the outer wall of the furnace shell (10) in an annular structure.
2. The blast furnace lining ablation monitoring device according to claim 1, wherein: the intelligent controller (3) is an industrial PLC controller.
3. The blast furnace lining ablation monitoring device according to claim 1, wherein: the distance between the end of the resistance rod (13) far away from the FMT sensor (2) and the inner wall of the furnace lining (12) is two centimeters.
4. The blast furnace lining ablation monitoring device according to claim 1, wherein: the first proximity switch (17) is positioned on the upper side of the supporting transverse plate (1), and the first proximity switch (17) is matched with the two proximity blocks (15) to control the FMT sensor (2).
5. The blast furnace lining ablation monitoring device according to claim 1, wherein: the second proximity switch (18) is positioned at the lower side of the supporting transverse plate (1), and the second proximity switch (18) is matched with the two proximity blocks (15) to control the elastic wave receiver (7).
6. A blast furnace lining ablation monitoring method, according to any one of claims 1-5, characterized in that: the method comprises the following steps:
s1, pre-burying a resistor rod (13) in a plurality of resistor monitoring mechanisms in a furnace body in an annular structure, enabling the distance between one end of the resistor rod (13) and the inner wall of a furnace lining (12) to be two centimeters, electrically connecting the resistor rod (13) with an FMT sensor (2), and simultaneously installing the plurality of resistor monitoring mechanisms on the furnace body in an annular structure and opposite to the plurality of resistor monitoring mechanisms;
s2, electrically connecting an FMT sensor (2) in a plurality of resistance monitoring mechanisms and a servo motor (4), an elastic wave receiver (7), a first proximity switch (17) and a second proximity switch (18) in a plurality of impact elastic wave monitoring mechanisms with an intelligent controller (3), simultaneously electrically connecting the intelligent controller (3) with a central control end, and then, completing parameter setting work on the intelligent controller (3) by a worker to complete intelligent control on the servo motor (4), the FMT sensor (2), the elastic wave receiver (7), the first proximity switch (17) and the second proximity switch (18);
s3, through operating the intelligent controller (3), the intelligent controller (3) can control a plurality of servo motors (4) to work, and drives the S-shaped push plate (8) to rotate anticlockwise through the speed reducer (6), so that two proximity blocks (15) on the S-shaped push plate (8) can be driven to rotate anticlockwise, meanwhile, the sleeve plate (14), the T-shaped round rod (20) and the impact column (21) can be pushed to move outwards, and the spring (16) is extruded, when the S-shaped push plate (8) is in a horizontal state, the sleeve plate (14), the T-shaped round rod (20) and the impact column (21) can move to the outermost end, when the S-shaped push plate (8) continues to rotate, and when the S-shaped push plate (8) is separated from the sleeve plate (14), the first proximity switch (17) can be aligned with one proximity block (15), the second proximity switch (18) can be aligned with the other proximity block (15), and when the two proximity blocks (15) are aligned with the first proximity switch (17) and the second proximity switch (18) respectively, the elastic wave sensor (7) can be controlled to work; meanwhile, the S-shaped push plate (8) is separated from the sleeve plate (14), the spring (16) can extend, so that the impact column (21) is pushed to the impact block (22) and generates shock waves, a part of the generated shock waves are transmitted in the atmosphere, the shock waves are converted into pulse signals by the elastic wave receiver (7) to determine the starting moment of measurement, the rest of the shock waves are transmitted in the furnace body, and some frequencies are amplified and then sent to the intelligent controller (3) for processing and analysis, so that the thickness of the furnace body can be calculated according to the sound velocity and the reflection time of the observed waveform, and after the intelligent controller (3) displays calculation data, the judgment work is facilitated for staff, and the monitoring work of the ablation of the blast furnace lining is realized;
s4, when the FMT sensor (2) works, the FMT sensor (2) acquires change data of the resistor rod (13) and transmits the change data to the inside of the intelligent controller (3), after the intelligent controller (3) receives the data, analysis work and processing work are carried out on the data, and when the intelligent controller (3) finishes the data processing work, the residual thickness of the furnace lining (12) can be displayed, so that the monitoring work of the blast furnace lining ablation can be realized;
s5, erect in S type push pedal (8), and continue when carrying out rotatory work, S type push pedal (8) will promote sleeve board (14), T font round bar (20) and striking post (21) outwards again to just can monitor the work once more, just so can be timely accomplish the monitoring work, simultaneously through a plurality of resistance monitoring mechanism and a plurality of shock elastic wave monitoring mechanism, can improve the precision of monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210934540.1A CN115323092B (en) | 2022-08-04 | 2022-08-04 | Blast furnace lining ablation monitoring device and monitoring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210934540.1A CN115323092B (en) | 2022-08-04 | 2022-08-04 | Blast furnace lining ablation monitoring device and monitoring method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115323092A CN115323092A (en) | 2022-11-11 |
| CN115323092B true CN115323092B (en) | 2023-09-12 |
Family
ID=83920772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210934540.1A Active CN115323092B (en) | 2022-08-04 | 2022-08-04 | Blast furnace lining ablation monitoring device and monitoring method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115323092B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5827002A (en) * | 1981-08-11 | 1983-02-17 | Kawasaki Steel Corp | Method for measuring thickness of refractory material |
| JPS63297512A (en) * | 1987-05-28 | 1988-12-05 | Nippon Steel Corp | Method for controlling bottom part in blast furnace |
| JPH07268428A (en) * | 1994-03-31 | 1995-10-17 | Nippon Steel Corp | Structure for side wall part of furnace bottom in blast furnace and method for measuring remaining thickness of furnace bottom brick |
| JPH10219323A (en) * | 1996-12-05 | 1998-08-18 | Sumitomo Metal Ind Ltd | Method for evaluating wear of refractory, device therefor and method for controlling refractory device therefor |
| JP2001294918A (en) * | 2000-04-13 | 2001-10-26 | Nippon Steel Corp | Method for measuring thickness of refractories in furnace |
| KR20130069027A (en) * | 2011-12-16 | 2013-06-26 | (주)포스프로 | Detector of stave for furnace and lookout system of stave using by it |
| CN108061756A (en) * | 2017-12-07 | 2018-05-22 | 四川升拓检测技术股份有限公司 | Furnace body lining cutting lossless detection method based on impact elasticity ripple |
| CN109342559A (en) * | 2018-08-23 | 2019-02-15 | 同济大学 | A kind of metope percussion acoustic detector |
| CN110564905A (en) * | 2019-10-08 | 2019-12-13 | 中南大学 | Signal processing method and system for blast furnace lining impact echo detection |
| KR102190776B1 (en) * | 2019-06-21 | 2020-12-14 | 주식회사 에이아이브릿지 | Elastic wave detector for bridge and, cavity exploring system including the same |
| CN112226561A (en) * | 2020-10-10 | 2021-01-15 | 鞍钢股份有限公司 | Blast furnace lining monitoring method based on impact echo method |
| WO2021105940A1 (en) * | 2019-11-29 | 2021-06-03 | Arcelormittal | System and method for estimating both thickness and wear state of refractory material of a metallurgical furnace |
-
2022
- 2022-08-04 CN CN202210934540.1A patent/CN115323092B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5827002A (en) * | 1981-08-11 | 1983-02-17 | Kawasaki Steel Corp | Method for measuring thickness of refractory material |
| JPS63297512A (en) * | 1987-05-28 | 1988-12-05 | Nippon Steel Corp | Method for controlling bottom part in blast furnace |
| JPH07268428A (en) * | 1994-03-31 | 1995-10-17 | Nippon Steel Corp | Structure for side wall part of furnace bottom in blast furnace and method for measuring remaining thickness of furnace bottom brick |
| JPH10219323A (en) * | 1996-12-05 | 1998-08-18 | Sumitomo Metal Ind Ltd | Method for evaluating wear of refractory, device therefor and method for controlling refractory device therefor |
| JP2001294918A (en) * | 2000-04-13 | 2001-10-26 | Nippon Steel Corp | Method for measuring thickness of refractories in furnace |
| KR20130069027A (en) * | 2011-12-16 | 2013-06-26 | (주)포스프로 | Detector of stave for furnace and lookout system of stave using by it |
| CN108061756A (en) * | 2017-12-07 | 2018-05-22 | 四川升拓检测技术股份有限公司 | Furnace body lining cutting lossless detection method based on impact elasticity ripple |
| CN109342559A (en) * | 2018-08-23 | 2019-02-15 | 同济大学 | A kind of metope percussion acoustic detector |
| KR102190776B1 (en) * | 2019-06-21 | 2020-12-14 | 주식회사 에이아이브릿지 | Elastic wave detector for bridge and, cavity exploring system including the same |
| CN110564905A (en) * | 2019-10-08 | 2019-12-13 | 中南大学 | Signal processing method and system for blast furnace lining impact echo detection |
| WO2021105940A1 (en) * | 2019-11-29 | 2021-06-03 | Arcelormittal | System and method for estimating both thickness and wear state of refractory material of a metallurgical furnace |
| CN112226561A (en) * | 2020-10-10 | 2021-01-15 | 鞍钢股份有限公司 | Blast furnace lining monitoring method based on impact echo method |
Non-Patent Citations (1)
| Title |
|---|
| 基于冲击弹性波回波法的高炉 炉衬厚度及缺陷检测研究;张华玮等;技术;74-76 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115323092A (en) | 2022-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10209050B2 (en) | Wheel center bore detection device | |
| CN202485997U (en) | Superminiature minimally-invasive high-temperature creep fatigue testing machine | |
| CN115323092B (en) | Blast furnace lining ablation monitoring device and monitoring method thereof | |
| CN109540546A (en) | A kind of test macro and test method of unsafe driving behavior monitoring device | |
| US20180356199A1 (en) | Wheel center hole size qualification detection device | |
| CN107345938A (en) | A kind of building masonry wall walking non-destructive detection device | |
| CN203323708U (en) | Device measuring thickness of furnace lining | |
| LU102693B1 (en) | Robotic device for detecting insulating property of ballastless track slab steel reinforcement of the high speed railway | |
| CN202002617U (en) | Movable on-line enameled wire diameter detection device | |
| CN102809608B (en) | Trolley type automatic ultrasonic flaw-detecting machine with built-in robot for large cylindrical shell section parts | |
| CN100460125C (en) | Complicated curved surface tracking method for welding nuclear power J-type joint | |
| CN205404143U (en) | Hydraulic system components and parts reliability test device containing environment field | |
| CN107472910A (en) | A kind of method of work with vision-based detection functional glass transfer robot | |
| CN203376226U (en) | Solar vacuum tube cold and hot impact test device | |
| CN210347362U (en) | Compensator constant pressure fatigue testing machine | |
| CN104677996A (en) | Impact echo triggering and collection device | |
| CN102952920B (en) | Method for measuring etching thickness of working surface of converter liner | |
| CN202177628U (en) | High-temperature high-pressure volume expansion contraction detecting instrument for oil well cement | |
| CN102809606B (en) | Crown block type ultrasonic automatic defectoscope of large-sized shell ring piece | |
| CN2928292Y (en) | Automatic marking device for rolling steel producing line | |
| CN102297763A (en) | Device for testing shift force hand-feel of manual transmission | |
| CN114371218A (en) | Shield tunnel operation period segment inspection equipment and method based on elastic wave method | |
| CN207936941U (en) | A kind of frame appearance detection apparatus | |
| CN110455468B (en) | Ice cream mould leak detection equipment | |
| CN113324511A (en) | Device and method for detecting straightness of drill rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |