CN118111528A - Molten iron liquid level detection method and system - Google Patents
Molten iron liquid level detection method and system Download PDFInfo
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- CN118111528A CN118111528A CN202410012001.1A CN202410012001A CN118111528A CN 118111528 A CN118111528 A CN 118111528A CN 202410012001 A CN202410012001 A CN 202410012001A CN 118111528 A CN118111528 A CN 118111528A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 668
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 334
- 239000007788 liquid Substances 0.000 title claims abstract description 185
- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000002159 abnormal effect Effects 0.000 claims description 7
- 238000010079 rubber tapping Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/20—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of weight, e.g. to determine the level of stored liquefied gas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The application discloses a molten iron liquid level detection method and a molten iron liquid level detection system, wherein the method comprises the following steps: obtaining a first molten iron level according to a target picture obtained by shooting a ladle from an obliquely upper part; detecting the molten iron liquid level by adopting a radar liquid level meter to obtain a second molten iron liquid level; obtaining a third molten iron level according to the weight of the ladle; and obtaining a target molten iron liquid level according to the first molten iron liquid level, the second molten iron liquid level and the third molten iron liquid level. The application can accurately detect the molten iron liquid level.
Description
Technical Field
The application relates to the technical field of molten iron liquid level detection, in particular to a molten iron liquid level detection method and a molten iron liquid level detection system.
Background
In order to ensure the safe tapping of the blast furnace, the liquid iron level under the blast furnace is usually detected, when tapping is carried out actually, the ladle is aligned to a tapping hole under the blast furnace, the liquid iron level is detected in real time in the tapping process, and after the liquid iron level reaches a fixed liquid level, tapping is stopped, so that quantitative control is realized, and meanwhile, the overflow of the molten iron to the ladle and the safety accident of molten iron landing are prevented.
At present, the detection of the molten iron liquid level is mainly performed through a static weighing rail, meanwhile, manual observation is matched, the molten iron liquid level is roughly controlled, and as the detection means is single, when the static weighing rail breaks down, the detection result is inaccurate easily, and when serious, the molten iron falling safety accident caused by the failure of the molten iron liquid level detection can occur.
Disclosure of Invention
The embodiment of the application provides a molten iron liquid level detection method, a device, a medium and electronic equipment, which can accurately detect the molten iron liquid level.
Other features and advantages of the application will be apparent from the following detailed description, or may be learned by the practice of the application.
According to a first aspect of an embodiment of the present application, there is provided a molten iron level detection method including:
Obtaining a first molten iron level according to a target picture obtained by shooting a ladle from an obliquely upper part;
Detecting the molten iron liquid level by adopting a radar liquid level meter to obtain a second molten iron liquid level;
obtaining a third molten iron level according to the weight of the ladle;
And obtaining a target molten iron liquid level according to the first molten iron liquid level, the second molten iron liquid level and the third molten iron liquid level.
In some embodiments of the present application, based on the foregoing aspect, the obtaining the first molten iron level according to the target picture obtained from the ladle taken obliquely above includes:
Acquiring a first distance in the horizontal direction from a shooting position to the upper edge of a far-end ladle, a target included angle between the shooting direction and the horizontal direction, and a focal length of shooting equipment;
Identifying a target picture to obtain a second distance from the upper edge of the ladle at the far end to a center point and a third distance from the liquid level of the molten iron at the far end to the center point in the target picture;
and obtaining a first molten iron liquid level according to the first distance, the second distance, the third distance, the target included angle and the focal length of the shooting equipment.
In some embodiments of the present application, based on the foregoing solution, the detecting the molten iron level with the radar level gauge to obtain the second molten iron level includes:
detecting the distance between the radar level gauge and the molten iron liquid level from above the molten iron liquid level to obtain a fourth distance;
acquiring a fifth distance from the radar level gauge to the bottom of the ladle;
And obtaining a second molten iron liquid level according to the fourth distance and the fifth distance.
In some embodiments of the present application, based on the foregoing, the obtaining a third molten iron level according to a ladle weight includes:
Acquiring a first weight of the ladle when the ladle is full of molten iron and a second weight of the ladle when the ladle is not full of molten iron;
detecting the weight of the ladle to obtain a third weight;
Obtaining the weight of the first molten iron according to the difference value between the first weight and the second weight;
obtaining the weight of second molten iron according to the difference value between the third weight and the second weight;
And obtaining a third molten iron level according to the first molten iron weight, the acquired ladle height and the second molten iron weight.
In some embodiments of the present application, based on the foregoing aspects, the obtaining a third molten iron level according to the first molten iron weight, the acquired height of the ladle, and the second molten iron weight includes:
obtaining a weight ratio according to the weight of the second molten iron and the weight of the first molten iron;
And obtaining a third molten iron liquid level according to the weight ratio and the height of the ladle.
In some embodiments of the present application, based on the foregoing aspects, obtaining a target molten iron level from a first molten iron level, a second molten iron level, and a third molten iron level, includes:
Acquiring a first coefficient corresponding to the first molten iron liquid level, a second coefficient corresponding to the second molten iron liquid level and a third coefficient corresponding to the third molten iron liquid level;
obtaining a first molten iron value according to the first coefficient and the first molten iron liquid level, obtaining a second molten iron value according to the second coefficient and the second molten iron liquid level, and obtaining a third molten iron value according to the third coefficient and the third molten iron liquid level;
and obtaining a target molten iron liquid level according to the first molten iron value, the second molten iron value and the third molten iron value.
In some embodiments of the application, based on the foregoing, the method further comprises:
and correcting the first coefficient, the second coefficient and the third coefficient according to the first molten iron liquid level, the second molten iron liquid level and the third molten iron liquid level.
In some embodiments of the present application, based on the foregoing, the correcting the first coefficient, the second coefficient, and the third coefficient according to the first molten iron level, the second molten iron level, and the third molten iron level includes:
Obtaining a molten iron liquid level value according to the first molten iron liquid level, the second molten iron liquid level and the third molten iron liquid level;
correcting the first coefficient according to the first molten iron liquid level and the molten iron liquid level value;
correcting the second coefficient according to the second molten iron liquid level and the molten iron liquid level value;
and correcting the third coefficient according to the third molten iron liquid level and the molten iron liquid level value.
In some embodiments of the application, based on the foregoing, the method further comprises:
Maintaining the molten iron level at a target level;
Detecting the molten iron liquid level according to the molten iron liquid level detection method to obtain a first molten iron liquid level, a second molten iron liquid level and a third molten iron liquid level corresponding to the target liquid level;
in some embodiments of the present application, based on the foregoing solution, the first coefficient, the second coefficient, and the third coefficient are obtained according to the target liquid level and the first molten iron liquid level, the second molten iron liquid level, and the third molten iron liquid level corresponding to the target liquid level.
Obtaining a target molten iron level according to the first molten iron level, the second molten iron level and the third molten iron level, including:
Judging whether the detection results are abnormal in the first molten iron liquid level, the second molten iron liquid level and the third molten iron liquid level, and if one of the detection results is judged to be abnormal, obtaining the target molten iron liquid level according to the other two detection results.
According to a second aspect of the present application, there is provided a molten iron level detection system including:
a first obtaining unit for obtaining a first molten iron level according to a target picture obtained by shooting a ladle from an obliquely upper side;
The second obtaining unit is used for detecting the molten iron liquid level by adopting a radar liquid level meter to obtain a second molten iron liquid level;
a third obtaining unit for obtaining a third molten iron level according to the weight of the ladle;
and a fourth obtaining unit for obtaining the target molten iron level according to the first molten iron level, the second molten iron level and the third molten iron level.
The beneficial effects of the application are as follows:
According to the target picture, a first molten iron liquid level is obtained, a second molten iron liquid level is obtained through detection by a radar liquid level meter, a third molten iron liquid level is obtained according to the weight of the ladle, namely, the molten iron liquid level is detected in three modes, and then according to three detection results, the final target molten iron liquid level is comprehensively obtained, so that on one hand, the detection result of the molten iron liquid level is more accurate, and on the other hand, the problem of inaccurate detection result caused by a single detection means is effectively avoided.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. It is evident that the drawings in the following description are only some embodiments of the present application and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art. In the drawings:
FIG. 1 is a flowchart illustrating a molten iron level detecting method in an embodiment of the present application;
fig. 2 illustrates a block diagram of a molten iron level detection system in an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the application may be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc. In other instances, well-known methods, devices, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the application.
The block diagrams depicted in the figures are merely functional entities and do not necessarily correspond to physically separate entities. That is, the functional entities may be implemented in software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
The flow diagrams depicted in the figures are exemplary only, and do not necessarily include all of the elements and operations/steps, nor must they be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the order of actual execution may be changed according to actual situations.
In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
Fig. 1 is a flowchart of a molten iron level detection method according to an embodiment of the present application, referring to fig. 1, the present application provides a molten iron level detection method, at least including S1 to S4, and the detailed description is as follows:
In step S1, a first molten iron level is obtained from a target picture obtained by photographing a ladle from obliquely above.
Specifically, when shooting a ladle from obliquely above, the target picture including the ladle upper edge and the boundary between the ladle and the ladle liquid surface may be taken by using a high-precision thermal imaging camera, for example, if shooting a ladle from obliquely above on the left side of the ladle, the target picture including the ladle upper edge on the right side of the ladle and the boundary between the ladle right side and the ladle interface may be taken.
In step S2, the level of molten iron is detected by a radar level gauge, and a second level of molten iron is obtained.
Specifically, the radar level gauge can be arranged right above the ladle, so that the radar level gauge can conveniently detect the molten iron level from top to bottom.
In step S3, a third molten iron level is obtained based on the ladle weight.
In step S4, a target molten iron level is obtained from the first molten iron level, the second molten iron level, and the third molten iron level.
Optionally, the obtaining the first molten iron level according to the target picture obtained by shooting the ladle from the obliquely upper side includes:
Acquiring a first distance in the horizontal direction from a shooting position to the upper edge of a far-end ladle, a target included angle between the shooting direction and the horizontal direction, and a focal length of shooting equipment;
Identifying a target picture to obtain a second distance from the upper edge of the ladle at the far end to a center point and a third distance from the liquid level of the molten iron at the far end to the center point in the target picture;
and obtaining a first molten iron liquid level according to the first distance, the second distance, the third distance, the target included angle and the focal length of the shooting equipment.
For example, if the photographing apparatus is located obliquely above the left side of the ladle, the first distance is a distance from the photographing apparatus to the upper edge of the right side of the ladle, and the second distance is a height difference of the photographing apparatus with respect to the upper edge of the right side of the ladle.
Alternatively, the first molten iron level may be calculated by the following formula:
Wherein, H 1 is the first molten iron liquid level, L 1 is the first distance, θ is the target included angle, L 3 is the third distance, f is the focal length of the shooting device, L 2 is the second distance, at this moment, the connection line of the ladle upper edge of the shooting device and the far end is set to be the connection line A, the connection line of the molten iron liquid level of the shooting device and the far end is set to be the connection line B, then the main optical axis of the shooting device is located between the connection line A and the connection line B, the central point of the target picture is located on the main optical axis of the shooting device, and the main optical axis of the shooting device is the shooting direction of the shooting device.
Optionally, the detecting the molten iron liquid level by using a radar liquid level gauge to obtain a second molten iron liquid level includes:
detecting the distance between the radar level gauge and the molten iron liquid level from above the molten iron liquid level to obtain a fourth distance;
acquiring a fifth distance from the radar level gauge to the bottom of the ladle;
And obtaining a second molten iron liquid level according to the fourth distance and the fifth distance.
Specifically, when the fifth distance is the distance between the radar level gauge and the bottom of the ladle during the detection of the fourth distance, the second molten iron level may be the difference between the fifth distance and the fourth distance.
Optionally, the obtaining a third molten iron level according to the weight of the ladle comprises:
Acquiring a first weight of the ladle when the ladle is full of molten iron and a second weight of the ladle when the ladle is not full of molten iron;
detecting the weight of the ladle to obtain a third weight;
Obtaining the weight of the first molten iron according to the difference value between the first weight and the second weight;
obtaining the weight of second molten iron according to the difference value between the third weight and the second weight;
And obtaining a third molten iron level according to the first molten iron weight, the acquired ladle height and the second molten iron weight.
Optionally, the obtaining a third molten iron level according to the first molten iron weight, the acquired molten iron ladle height and the second molten iron weight includes:
obtaining a weight ratio according to the weight of the second molten iron and the weight of the first molten iron;
And obtaining a third molten iron liquid level according to the weight ratio and the height of the ladle.
Specifically, the weight ratio may be a ratio of a second molten iron weight to the first molten iron weight, and the third molten iron level may be a product of the weight ratio and the ladle height.
For example, the first weight is M1, the second weight is M2, the third weight is M3, the ladle height is H, the first weight is M1-M2, the second weight is M3-M2, the weight ratio is (M3-M2)/(M1-M2), and the third molten iron level is H (M3-M2)/(M1-M2).
Optionally, the obtaining the target molten iron level according to the first molten iron level, the second molten iron level and the third molten iron level includes:
Acquiring a first coefficient corresponding to the first molten iron liquid level, a second coefficient corresponding to the second molten iron liquid level and a third coefficient corresponding to the third molten iron liquid level;
obtaining a first molten iron value according to the first coefficient and the first molten iron liquid level, obtaining a second molten iron value according to the second coefficient and the second molten iron liquid level, and obtaining a third molten iron value according to the third coefficient and the third molten iron liquid level;
and obtaining a target molten iron liquid level according to the first molten iron value, the second molten iron value and the third molten iron value.
Specifically, the first molten iron value may be a product of the first coefficient and the first molten iron level, the second molten iron value may be a product of the second coefficient and the second molten iron level, and the third molten iron value may be a product of the third coefficient and the third molten iron level, where the target molten iron value may be understood as a weighted sum of the first molten iron level, the second molten iron level, and the third molten iron level.
Optionally, the method further comprises:
and correcting the first coefficient, the second coefficient and the third coefficient according to the first molten iron liquid level, the second molten iron liquid level and the third molten iron liquid level.
Optionally, the correcting the first coefficient, the second coefficient and the third coefficient according to the first molten iron level, the second molten iron level and the third molten iron level includes:
Obtaining a molten iron liquid level value according to the first molten iron liquid level, the second molten iron liquid level and the third molten iron liquid level;
correcting the first coefficient according to the first molten iron liquid level and the molten iron liquid level value;
correcting the second coefficient according to the second molten iron liquid level and the molten iron liquid level value;
and correcting the third coefficient according to the third molten iron liquid level and the molten iron liquid level value.
Specifically, the molten iron liquid level value may be a sum of a first molten iron liquid level, a second molten iron liquid level and a third molten iron liquid level, and may be obtained by a ratio of the first molten iron liquid level to the molten iron liquid level value when the first coefficient is corrected, may be obtained by a ratio of the second molten iron liquid level to the molten iron liquid level value when the second coefficient is corrected, and may be obtained by a ratio of the third molten iron liquid level to the molten iron liquid level value when the third coefficient is corrected.
For example, the first molten iron level is H1, the second molten iron level is H2, the third molten iron level is H3, the corrected first coefficient is H1/(h1+h2+h3), the corrected second coefficient is H2/(h1+h2+h3), and the corrected third coefficient is H3/(h1+h2+h3).
Optionally, the method further comprises:
Maintaining the molten iron level at a target level;
Detecting the molten iron liquid level according to the molten iron liquid level detection method to obtain a first molten iron liquid level, a second molten iron liquid level and a third molten iron liquid level corresponding to the target liquid level;
Specifically, according to the target liquid level and the first molten iron liquid level, the second molten iron liquid level and the third molten iron liquid level corresponding to the target liquid level, the first coefficient, the second coefficient and the third coefficient are obtained, which can be understood as calibrating the first coefficient, the second coefficient and the third coefficient, and in actual calibration, the data fitting mode can be performed through multiple groups of target liquid levels.
Optionally, the obtaining the target molten iron level according to the first molten iron level, the second molten iron level and the third molten iron level includes:
Judging whether the detection results are abnormal in the first molten iron liquid level, the second molten iron liquid level and the third molten iron liquid level, and if one of the detection results is judged to be abnormal, obtaining the target molten iron liquid level according to the other two detection results.
Optionally, the determining whether there is an abnormality includes:
When the deviation of one of the two other deviation is larger than the preset deviation, the detection result is abnormal.
Specifically, the preset deviation may be a fixed value or may be a percentage of the detection result, and is determined according to the actual situation.
Fig. 2 is a block diagram of a molten iron level detection system according to an embodiment of the present application, referring to fig. 2, according to a second aspect of the present application, there is provided a molten iron level detection system 100 including:
a first obtaining unit 101 for obtaining a first molten iron level according to a target picture obtained by photographing a ladle from obliquely above;
a second obtaining unit 102 for detecting the molten iron level by using a radar level gauge to obtain a second molten iron level;
a third obtaining unit 103 for obtaining a third molten iron level according to the weight of the ladle;
And a fourth obtaining unit 104 for obtaining a target molten iron level according to the first molten iron level, the second molten iron level and the third molten iron level.
The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software that is executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope and spirit of the application and the appended claims. For example, due to the nature of software, the functions described above may be implemented using software executed by a processor, hardware, firmware, hardwired, or a combination of any of these. In addition, each functional unit may be integrated in one processing unit, each unit may exist alone physically, or two or more units may be integrated in one unit.
In the several embodiments provided in the present application, it should be understood that the disclosed technology may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate components may or may not be physically separate, and components as control devices may or may not be physical units, may be located in one place, or may be distributed over a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on this understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in whole or in part in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a usb disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The above description is only an example of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A molten iron level detection method, comprising:
Obtaining a first molten iron level according to a target picture obtained by shooting a ladle from an obliquely upper part;
Detecting the molten iron liquid level by adopting a radar liquid level meter to obtain a second molten iron liquid level;
obtaining a third molten iron level according to the weight of the ladle;
And obtaining a target molten iron liquid level according to the first molten iron liquid level, the second molten iron liquid level and the third molten iron liquid level.
2. The molten iron level detecting method of claim 1, wherein the obtaining a first molten iron level based on the target picture obtained from the ladle taken obliquely above includes:
Acquiring a first distance in the horizontal direction from a shooting position to the upper edge of a far-end ladle, a target included angle between the shooting direction and the horizontal direction, and a focal length of shooting equipment;
Identifying a target picture to obtain a second distance from the upper edge of the ladle at the far end to a center point and a third distance from the liquid level of the molten iron at the far end to the center point in the target picture;
and obtaining a first molten iron liquid level according to the first distance, the second distance, the third distance, the target included angle and the focal length of the shooting equipment.
3. The method for detecting molten iron level according to claim 1, wherein detecting molten iron level with a radar level gauge to obtain a second molten iron level comprises:
detecting the distance between the radar level gauge and the molten iron liquid level from above the molten iron liquid level to obtain a fourth distance;
acquiring a fifth distance from the radar level gauge to the bottom of the ladle;
And obtaining a second molten iron liquid level according to the fourth distance and the fifth distance.
4. The method for detecting the liquid level of molten iron according to claim 1, wherein the step of obtaining the third liquid level of molten iron according to the weight of the ladle comprises the steps of:
Acquiring a first weight of the ladle when the ladle is full of molten iron and a second weight of the ladle when the ladle is not full of molten iron;
detecting the weight of the ladle to obtain a third weight;
Obtaining the weight of the first molten iron according to the difference value between the first weight and the second weight;
obtaining the weight of second molten iron according to the difference value between the third weight and the second weight;
And obtaining a third molten iron level according to the first molten iron weight, the acquired ladle height and the second molten iron weight.
5. The method for detecting a molten iron level according to claim 4, wherein said obtaining a third molten iron level based on said first molten iron weight, said acquired ladle height and said second molten iron weight comprises:
obtaining a weight ratio according to the weight of the second molten iron and the weight of the first molten iron;
And obtaining a third molten iron liquid level according to the weight ratio and the height of the ladle.
6. The molten iron level detecting method of claim 1, wherein obtaining the target molten iron level based on the first molten iron level, the second molten iron level, and the third molten iron level includes:
Acquiring a first coefficient corresponding to the first molten iron liquid level, a second coefficient corresponding to the second molten iron liquid level and a third coefficient corresponding to the third molten iron liquid level;
obtaining a first molten iron value according to the first coefficient and the first molten iron liquid level, obtaining a second molten iron value according to the second coefficient and the second molten iron liquid level, and obtaining a third molten iron value according to the third coefficient and the third molten iron liquid level;
and obtaining a target molten iron liquid level according to the first molten iron value, the second molten iron value and the third molten iron value.
7. The molten iron level detecting method of claim 6, further comprising:
and correcting the first coefficient, the second coefficient and the third coefficient according to the first molten iron liquid level, the second molten iron liquid level and the third molten iron liquid level.
8. The molten iron level detecting method of claim 6, further comprising:
Maintaining the molten iron level at a target level;
according to a target picture obtained by shooting a ladle from an obliquely upper part, obtaining a first molten iron liquid level corresponding to a target liquid level;
detecting the molten iron liquid level by adopting a radar liquid level meter to obtain a second molten iron liquid level corresponding to the target liquid level;
obtaining a third molten iron liquid level corresponding to the target liquid level according to the weight of the ladle;
And obtaining a first coefficient, a second coefficient and a third coefficient according to the target liquid level and the first molten iron liquid level, the second molten iron liquid level and the third molten iron liquid level corresponding to the target liquid level.
9. The molten iron level detecting method of claim 1, wherein the obtaining the target molten iron level based on the first molten iron level, the second molten iron level, and the third molten iron level includes:
Judging whether the detection results are abnormal in the first molten iron liquid level, the second molten iron liquid level and the third molten iron liquid level, and if one of the detection results is judged to be abnormal, obtaining the target molten iron liquid level according to the other two detection results.
10. A molten iron level detection system, comprising:
a first obtaining unit for obtaining a first molten iron level according to a target picture obtained by shooting a ladle from an obliquely upper side;
The second obtaining unit is used for detecting the molten iron liquid level by adopting a radar liquid level meter to obtain a second molten iron liquid level;
a third obtaining unit for obtaining a third molten iron level according to the weight of the ladle;
and a fourth obtaining unit for obtaining the target molten iron level according to the first molten iron level, the second molten iron level and the third molten iron level.
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