CN115342892A - Hot metal ladle online weighing, metering, temperature measuring and sampling device, system and method - Google Patents
Hot metal ladle online weighing, metering, temperature measuring and sampling device, system and method Download PDFInfo
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- CN115342892A CN115342892A CN202210974408.3A CN202210974408A CN115342892A CN 115342892 A CN115342892 A CN 115342892A CN 202210974408 A CN202210974408 A CN 202210974408A CN 115342892 A CN115342892 A CN 115342892A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
- G01G17/04—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/12—Thermometers specially adapted for specific purposes combined with sampling devices for measuring temperatures of samples of materials
- G01K13/125—Thermometers specially adapted for specific purposes combined with sampling devices for measuring temperatures of samples of materials for siderurgical purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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Abstract
The embodiment of the invention provides a hot metal ladle on-line weighing, metering, temperature measuring and sampling device, system and method, and relates to the field of metallurgical production. Aims to shorten the working procedure time between iron and steel interfaces and increase the effective smelting time. The hot metal ladle on-line weighing, metering, temperature measuring and sampling equipment comprises a working platform, an on-line weighing device, a temperature measuring and sampling device and a state monitoring and processing device; the online weighing device is used for weighing the whole hot metal ladle; the temperature measuring and sampling device is used for measuring and sampling the temperature of the molten iron in the molten iron tank; the state monitoring and processing device is used for monitoring and processing the state of the hot-metal ladle. The online weighing, measuring, temperature measuring and sampling system for the hot metal ladle comprises the equipment. The method for weighing, measuring and sampling the molten iron tank on line is implemented by adopting the equipment. The weighing, temperature measurement and sampling are carried out before the refining equipment of the converter, so that the process time of the iron-steel interface can be shortened, the turnover rate of the molten iron tank is improved, and the effective smelting time is prolonged.
Description
Technical Field
The invention relates to the field of metallurgical production, in particular to a device, a system and a method for weighing, measuring and sampling a molten iron tank on line.
Background
The 'one-pot-to-bottom' process is an important technology for developing the steel process flow to simplification, centralization and short flow, has the advantages of low investment, quick response, energy conservation, environmental protection and the like, and is applied by more and more steel enterprises at present.
The production process mode of 'one pot to the bottom' enables the production and smelting rhythm to be accelerated continuously. However, when the blast furnace condition fluctuates and the molten iron composition index is abnormal, the steel-making production is very passive, after the molten iron reaches the steel-making site for sampling and detection, the molten iron composition index is found not to meet the variety smelting requirements, the pretreatment processes of desulfurization, slag skimming and the like are temporarily arranged for the molten iron, the continuous casting machine is forced to carry out speed reduction production, the production rhythm of the steel-making site is directly influenced, and the development of cost reduction and efficiency improvement work for steel making is not facilitated.
With the continuous speed increase of the production rhythm, the working procedure time between iron and steel interfaces is required to be shortened as much as possible, and the effective smelting time is increased, so that how to shorten the working procedure time of the iron and steel interfaces is very important.
In addition, under the influence of severe working environment on site, steelmaking operators need to overcome the interference of high temperature and dust, a temperature measuring gun and a sampling probe are used to sample molten iron by experience, the standardization and the accuracy of molten iron detection are not guaranteed, and the product quality is adversely affected.
Disclosure of Invention
The invention aims to provide an online weighing, metering, temperature measuring and sampling device for a hot metal ladle, which can shorten the process time between iron and steel interfaces and increase the effective smelting time.
The invention also aims to provide an online weighing, metering, temperature measuring and sampling method for the hot metal ladle, which can shorten the process time between iron and steel interfaces and increase the effective smelting time.
Embodiments of the invention may be implemented as follows:
the embodiment of the invention provides a hot metal ladle online weighing, measuring, temperature measuring and sampling device which is arranged on a track used for conveying a hot metal ladle between a blast furnace smelting device and a converter refining device and comprises a working platform, an online weighing device, a temperature measuring and sampling device and a state monitoring and processing device;
the working platform is arranged above the track in an overhead manner;
the online weighing device is used for weighing the whole hot metal ladle conveyed below the working platform;
the temperature measuring and sampling device is arranged on the working platform and is used for measuring and sampling the temperature of the molten iron conveyed into the molten iron tank below the working platform;
the state monitoring and processing device is arranged on the working platform and used for monitoring and processing the state of the hot metal ladle conveyed to the lower part of the working platform.
In addition, the hot metal bottle on-line weighing, measuring, temperature measuring and sampling device provided by the embodiment of the invention can also have the following additional technical characteristics:
optionally, the online weighing apparatus further includes a static molten iron weighing scale, a weighing host, and a weighing controller, where the static molten iron weighing scale is in communication with the weighing controller; the weighing controller is communicated with the weighing and metering host;
the static molten iron metering scale is arranged below the track, and the weighing and metering host is arranged on the working platform; the static molten iron measuring scale is used for weighing the whole molten iron tank below the working platform to obtain weighing data, the weighing controller is used for transmitting the weighing data of the static molten iron measuring scale to the weighing and measuring host, and the weighing and measuring host is used for storing the weighing data and displaying the weighing data.
Optionally, the online weighing apparatus further comprises a tank number identifier; the tank number recognizer is communicated with the weighing controller and used for recognizing and conveying the identification of the hot metal tank below the working platform and obtaining an identification signal, and then the identification signal is conveyed to the weighing controller, and the weighing controller is used for matching the identification signal with the weighing data.
Optionally, the temperature measurement sampling device comprises a temperature measurement sampling robot, a temperature measurement probe and a distance measurement device; the distance measuring device is communicated with the temperature measuring sampling robot and is used for detecting and obtaining a distance signal representing the distance between the temperature measuring probe and molten iron in the molten iron tank and obtaining the temperature measuring position of the temperature measuring probe according to the distance signal; the temperature measuring probe is detachably mounted on the temperature measuring and sampling robot, the temperature measuring and sampling robot is used for controlling the temperature measuring probe to measure the temperature of the molten iron in the molten iron tank according to the temperature measuring position, and the temperature measuring and sampling robot is used for acquiring the temperature measuring signal of the temperature measuring probe.
Optionally, temperature measurement sampling device still includes survey rifle device, temperature measurement sample feed bin and useless case, survey rifle device be used for with temperature probe installs additional on the temperature measurement sampling robot, temperature measurement sample feed bin is used for placing and treats the use temperature probe, useless case is used for retrieving used temperature probe.
Optionally, the temperature measuring and sampling device further comprises a sampling probe and a liquid level height detection device, and the liquid level height detection device is communicated with the temperature measuring and sampling robot; the liquid level height detection device is used for detecting to obtain the liquid level height of molten iron in the molten iron tank and obtaining the sampling position of the sampling probe according to the liquid level height of the molten iron; the sampling probe is detachably installed on the temperature measurement sampling robot, and the temperature measurement sampling robot is used for controlling the sampling probe to sample the molten iron in the molten iron tank according to the sampling position.
Optionally, the state monitoring processing device comprises a monitoring camera and a furnace dismantling machine, the monitoring camera is arranged on the working platform and used for monitoring to obtain a representation to convey the representation to a tank opening signal of iron slag appearing at a tank opening of the hot metal tank under the working platform, and the furnace dismantling machine is used for clearing the hot metal tank according to the tank opening signal.
The embodiment of the invention also provides an online weighing, measuring, temperature measuring and sampling system for the hot metal ladle, which comprises a track and an online weighing, measuring, temperature measuring and sampling device for the hot metal ladle; the track is used for conveying the hot metal ladle from the blast furnace smelting equipment to the converter refining equipment.
Optionally, the number of the rails is two, and the two rails are arranged below the working platform side by side at intervals;
the number of the temperature measuring sampling devices is two, and the two temperature measuring sampling devices are respectively arranged corresponding to the two rails; the number of the state monitoring processing devices is two, and the two state monitoring processing devices are respectively arranged corresponding to the two tracks; the two rails share one online weighing device, and the online weighing devices are used for respectively and independently weighing the hot metal ladles on the two rails.
The embodiment of the invention also provides an online weighing, metering, temperature measuring and sampling method for the hot-metal bottle, which is implemented by adopting the online weighing, metering, temperature measuring and sampling equipment for the hot-metal bottle, and comprises the following steps:
weighing the whole hot metal ladle conveyed to the lower part of the working platform by using the online weighing device;
measuring and sampling the temperature of the molten iron conveyed into the molten iron tank below the working platform by using the temperature measuring and sampling device;
and monitoring and processing the state of the molten iron tank conveyed to the lower part of the working platform by using the state monitoring and processing device.
The hot metal bottle on-line weighing, metering, temperature measuring and sampling device, system and method provided by the embodiment of the invention have the beneficial effects that:
the hot metal bottle on-line weighing measurement temperature measurement sampling equipment comprises a working platform, an on-line weighing device, a temperature measurement sampling device and a state monitoring processing device; the working platform is arranged above the track in an overhead manner; the online weighing device is used for weighing the whole hot metal ladle conveyed below the working platform; the temperature measuring and sampling device is arranged on the working platform and is used for measuring and sampling the temperature of the molten iron conveyed into the molten iron tank below the working platform; the state monitoring and processing device is arranged on the working platform and used for monitoring and processing the state of the molten iron tank conveyed to the lower part of the working platform.
The method comprises the following steps that molten iron discharged from a blast furnace smelting device is transported to a converter refining device along a rail by using a molten iron tank, and before the molten iron is transported to the converter refining device, the whole molten iron tank transported to the position below a working platform is weighed by using an online weighing device; measuring the temperature and sampling of the molten iron conveyed into the molten iron tank below the working platform by using a temperature measuring and sampling device; monitoring and processing the state of the molten iron tank conveyed to the lower part of the working platform by using a state monitoring and processing device; weighing, temperature measuring, sampling and monitoring are carried out before the converter refining equipment, the turnover rate of the molten iron tank is improved, and the process time of a steel-iron interface is shortened; the method has the advantages that the smelting time of a steel-making site can be remarkably prolonged, the accuracy and the stability of the detection of the components of the molten iron are greatly improved, the safety risk of the operation of workers is reduced, and great convenience is brought to the subsequent stable operation in front of a steel-making furnace.
The online weighing, measuring, temperature measuring and sampling system for the hot metal ladle comprises a track and the online weighing, measuring, temperature measuring and sampling equipment for the hot metal ladle. The process time between iron and steel interfaces can be shortened, and the effective smelting time is increased.
The hot metal ladle on-line weighing, metering, temperature measuring and sampling method is implemented by adopting the hot metal ladle on-line weighing, metering, temperature measuring and sampling equipment. The process time between iron and steel interfaces can be shortened, and the effective smelting time is increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a front view of an on-line weighing, measuring, temperature measuring and sampling device for a hot metal ladle according to an embodiment of the present invention;
fig. 2 is a top view of the hot metal bottle on-line weighing, metering, temperature measuring and sampling device provided by the embodiment of the invention.
An icon: 100-factory building; 200-plant column; 300-a working platform; 400-temperature measurement sampling robot; 500-hot metal ladle; 600-monitoring a camera; 610-a furnace dismantling machine; 700-a distance measuring device; 800-weighing and metering host; 900-temperature measurement sampling stock bin; 10-track.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The hot metal ladle on-line weighing, metering, temperature measuring and sampling device, system and method provided by the present embodiment are described in detail with reference to fig. 1 to 2.
Referring to fig. 1 and 2, an embodiment of the present invention provides an online weighing, measuring, temperature measuring and sampling device for a hot metal ladle, which is arranged on a rail 10 between a blast furnace smelting device and a converter refining device, and is used for conveying a hot metal ladle 500, and the online weighing, measuring, temperature measuring and sampling device for a hot metal ladle includes a working platform 300, an online weighing device, a temperature measuring and sampling device, and a state monitoring and processing device; the working platform 300 is arranged above the track 10 in an overhead manner; the on-line weighing device is used for weighing the whole hot metal ladle 500 conveyed below the working platform 300; the temperature measuring and sampling device is arranged on the working platform 300 and is used for measuring and sampling the temperature of the molten iron conveyed into the molten iron tank 500 below the working platform 300; the state monitoring and processing device is arranged on the working platform 300 and is used for monitoring and processing the state of the molten iron tank 500 conveyed to the lower part of the working platform 300.
The online weighing, measuring, temperature measuring and sampling equipment for the hot metal ladle is arranged in a factory building 100, and the working platform 300 is arranged on a vertical column 200 of the factory building.
After the blast furnace smelting, the hot metal ladle 500 containing the molten iron is transported to the converter refining apparatus along the rail 10. When the hot metal ladle 500 filled with molten iron moves below the working platform 300, the online weighing device weighs the whole hot metal ladle 500 conveyed below the working platform 300, the temperature measurement sampling device measures and samples the molten iron in the hot metal ladle 500 conveyed below the working platform 300, the state monitoring and processing device monitors and processes the state of the hot metal ladle 500 conveyed below the working platform 300, weighing, temperature measurement, sampling and monitoring are performed before converter refining equipment, various conditions are prevented from being discovered by the converter refining equipment, the accuracy and stability of molten iron component detection are greatly improved, the process time of a hot metal interface is shortened, the smelting time of a steel-making field is increased, various devices are adopted to automatically complete the process, the safety risk of staff operation is reduced, and great convenience is brought to the subsequent stable operation before a steel-making furnace.
The online weighing, measuring and temperature measuring sampling device for the hot metal ladle can effectively solve the problem of unstable measuring results, shorten the process time of a hot metal interface, improve the 500 turnover rate of the hot metal ladle, reduce the problems of burn and scald risks of operators and the like, improve the automation degree and the production efficiency of production operation, enhance the field safety and improve the operation environment. And steel mills at home and abroad have more successful application examples, so that the reconstruction is necessary at the present stage.
Meanwhile, the problems that the components of molten iron in a steelmaking site and the like are detected, the molten iron is over-weighted, the detection accuracy is not high, the molten iron tank 500 is difficult to maintain when entering the workshop 100 and the like are solved, the steelmaking capacity is effectively improved, the accuracy of the molten iron component detection is improved, the operation safety of site staff is guaranteed powerfully, and the method has the advantages of low investment, remarkable benefit and the like. The smooth degree of the 500 turnover of the online molten iron tank is greatly improved.
In addition, the hot metal bottle online weighing, measuring, temperature measuring and sampling device can efficiently serve the process of 'one bottle to the bottom', the hot metal temperature can be measured quickly and accurately while the hot metal bottle 500 is weighed, the accuracy and the stability of the detection of the components of the hot metal are fully improved, powerful data support is provided for smelting variety steel on a steel smelting site, the coping time in the smelting process on the steel smelting site is effectively increased, and the production process requirements are met.
Referring to fig. 1 and 2, in this embodiment, the online weighing apparatus further includes a static molten iron measuring scale, a weighing and measuring host 800, and a weighing controller, where the static molten iron measuring scale is in communication with the weighing controller; the weighing controller communicates with the weighing and metering host 800; the static molten iron metering scale is arranged below the track 10, and the weighing and metering host 800 is arranged on the working platform 300; the static molten iron weighing scale is used for weighing the whole molten iron tank 500 conveyed to the lower part of the working platform 300 to obtain weighing data, the weighing controller is used for transmitting the weighing data of the static molten iron weighing scale to the weighing and metering host 800, and the weighing and metering host 800 is used for storing and displaying the weighing data.
When the locomotive pulls hot metal bottle 500 through static molten iron measurement weighing measurement, relevant molten iron weighing information can pass through 6 PDX90t column digital sensors, and weighing data is automatically transmitted to the weighing measurement host 800 on the working platform 300 through the weighing controller to be stored and displayed.
Referring to fig. 1 and 2, in the present embodiment, the online weighing device further includes a can number identifier; the tank number recognizer is communicated with the weighing controller, and is used for recognizing the identifier of the hot metal tank 500 conveyed to the lower portion of the working platform 300 and obtaining an identification signal, then the identification signal is conveyed to the weighing controller, and the weighing controller matches the identification signal with weighing data.
The equipment cooperation such as camera, electronic tags through in the jar number recognizer is used, and the jar number information and the data phase-match of weighing of hot-metal bottle 500 with weighing convey the storage in the measurement host computer 800 of weighing automatically and show. And weighing data of the molten iron can be shared on an internal management platform in real time through an internal informatization system of the company, so that the weighing data can be operated and used by related post personnel.
Referring to fig. 1 and 2, in the present embodiment, the temperature measuring and sampling device includes a temperature measuring and sampling robot 400, a temperature measuring probe, and a distance measuring device 700; the distance measuring device 700 is communicated with the temperature measuring and sampling robot 400, and the distance measuring device 700 is used for detecting and obtaining a distance signal representing the distance between the temperature measuring probe and molten iron in the molten iron tank 500 and obtaining the temperature measuring position of the temperature measuring probe according to the distance signal; the temperature measuring probe is detachably mounted on the temperature measuring and sampling robot 400, the temperature measuring and sampling robot 400 is used for controlling the temperature measuring probe to measure the temperature of the molten iron in the molten iron tank 500 according to the temperature measuring position, and the temperature measuring and sampling robot 400 is used for acquiring the temperature measuring signal of the temperature measuring probe.
It should be noted that: because the distance between the steel plant and the working platform 300 is not far away, the temperature drop in the period can be ignored, and if the overstocked molten iron is caused by system maintenance, the temperature of the molten iron entering the furnace can be measured again on the site of the steel plant before the steel plant is used. However, the system maintenance causes the overstocked molten iron, and according to the current unit use condition, the temperature can be measured again before the molten iron enters the furnace even if the molten iron arrives at the site of the steel plant.
The distance measuring device 700 includes a high temperature laser distance measuring sensor disposed above the weighing hot metal ladle 500.
Referring to fig. 1 and 2, in this embodiment, the temperature measurement sampling apparatus further includes a measuring gun device, a temperature measurement sampling bin 900 and a waste box, the measuring gun device is used to install the temperature measurement probe onto the temperature measurement sampling robot 400, the temperature measurement sampling bin 900 is used to place the temperature measurement probe to be used, and the waste box is used to recover the used temperature measurement probe.
The implementation process of the temperature measuring and sampling device is as follows: when the hot metal ladle 500 carries out automatic weighing and metering, the hot metal ladle 500 reaches a designated position; sending out a command of 'one-key temperature measurement' by manual operation on site; the liquid level height of molten iron in the molten iron tank 500 is automatically measured through a high-temperature laser ranging sensor, and the deep temperature measurement position of a temperature measurement probe is pre-calculated; the temperature measurement sampling robot 400 carries the gun measurement device to the temperature measurement sampling bin 900; the measuring gun device is additionally provided with a temperature measuring probe in the temperature measuring sampling bin 900 and clamps the probe to prevent the probe from falling off; the temperature measurement sampling robot 400 carries a measuring gun and a temperature measurement probe to be inserted into the temperature measurement position in the hot metal ladle 500 for temperature measurement; after the temperature measurement sampling robot 400 receives the temperature measurement data, the temperature measurement sampling robot 400 carries the measuring gun and the temperature measurement probe to exit the hot metal ladle 500; the temperature measurement sampling robot 400 removes the waste temperature measurement probe through the automatic probe removal system and places the waste temperature measurement probe into a waste box; the thermometric sampling robot 400 returns to the home position to wait for the next start command.
Referring to fig. 1 and 2, in this embodiment, the temperature measurement sampling device further includes a sampling probe and a liquid level height detection device, and the liquid level height detection device is in communication with the temperature measurement sampling robot 400; the liquid level height detection device is used for detecting to obtain the liquid level height of molten iron in the molten iron tank 500 and obtaining the sampling position of the sampling probe according to the liquid level height of the molten iron; the sampling probe is detachably installed on the temperature measuring sampling robot 400, and the temperature measuring sampling robot 400 is used to control the sampling probe to sample the molten iron in the molten iron tank 500 according to the sampling position.
The robot automatic sampling operation flow is similar to automatic temperature measurement operation, the only difference is the difference of the probes, and the sampling operation needs to separate the sampling parts, which is not described again. Because of temperature probe and sampling probe are disposable product, automatic feed bin possesses old and useless temperature probe and sampling probe's collection and retrieves the function. The probe is detached by an automatic mechanism and then uniformly falls to a designated position, and then an operator performs recovery operation to deliver the molten iron sample.
Referring to fig. 1 and 2, in this embodiment, the state monitoring processing apparatus includes a monitoring camera 600 and a furnace dismantling machine 610, which are disposed on the work platform 300, the monitoring camera 600 is configured to monitor and obtain a mouth signal indicating that slag appears at a mouth of the hot-metal ladle 500 conveyed to the work platform 300, and the furnace dismantling machine 610 is configured to clear the hot-metal ladle 500 according to the mouth signal.
The implementation flow of the state monitoring and processing device is as follows: when the empty molten iron tank is automatically weighed and measured, the molten iron tank 500 reaches a designated position; a field operator knows the current situation in the hot metal ladle 500 in real time through a monitoring camera 600 arranged on a platform; if the potential safety hazard caused by the subsequent charging operation of the molten iron is found when the inner cover of the molten iron tank 500 is built or other potential safety hazards are found, an operator can directly use the furnace detaching machine 610 to rapidly remove the iron slag or the iron cover at the tank opening; or the hidden danger hot metal ladle 500 is arranged to be processed offline, so that the frequency of maintenance of the hot metal ladle 500 entering a factory is directly reduced, and the turnover efficiency of the hot metal ladle 500 is improved.
According to the online weighing, measuring and temperature measuring sampling device for the hot metal ladle provided by the embodiment, the working principle of the online weighing, measuring and temperature measuring sampling device for the hot metal ladle is as follows: the online weighing, measuring, temperature measuring and sampling equipment for the hot metal ladle adopts the currently advanced integrated solution, adopts the advanced robot technology, combines the automatic feeding system equipment and the advanced control concept, fully utilizes the flexibility of the robot to drive temperature measurement and sampling, and is matched with temperature measurement, sampling and probe elimination and replacement, so that the whole action flow is completed with high efficiency and high precision.
The online weighing, metering, temperature measuring and sampling equipment for the hot metal ladle provided by the embodiment at least has the following advantages:
the problem of detecting components of molten iron on a steelmaking site and the like is effectively solved, and the sampling time on the steelmaking site is saved; the smelting time of each furnace steel is calculated according to that the time for detecting 1 pot of iron is 1min, the smelting time of each furnace steel is 40min, 120 pots of molten iron need to be detected every day, and the smelting turnaround time can be saved by 120 min; equivalent to producing about 450 tons of steel billets with 3 furnaces more every day, greatly improving the smelting capacity of a steelmaking site and the smooth degree of 500 turnover of an online molten iron tank, and having considerable economic benefit.
When the blast furnace condition fluctuates and the indexes of the molten iron components are abnormal, the pretreatment processes of desulfurization, slag skimming and the like can be arranged in advance for the steel making, so that the influence of the abnormal molten iron components on the production of a steel making field is reduced, and the stable and high yield of the steel making field is powerfully ensured.
The accuracy of molten iron component detection is improved, the robot is used for automatic temperature measurement and sampling for a long time, the optimal steelmaking process can be calculated through an automatic steelmaking model according to the values of recorded temperature measurement time and temperature, the molten steel quality is improved, and the quality of enterprise products is further improved.
The robot is adopted to automatically measure the temperature and sample to replace manual operation, so that the labor intensity of workers can be greatly reduced, personal injury accidents caused by high-temperature, high-dust and molten iron splashing environments are avoided, the occupational morbidity and safety accidents of the workers are reduced, and the safety production operation rate is improved.
Monitoring processing is carried out through online hot metal bottle 500 state, has strengthened hot metal bottle 500 maintenance dynamics, has prolonged hot metal bottle 500 life, has saved the time that hot metal bottle 500 backed a car and got into factory building 100 maintenance, has effectively improved online hot metal bottle 500's turnover efficiency.
Referring to fig. 1 and 2, an embodiment of the present invention further provides an online weighing, measuring, temperature measuring and sampling system for a hot metal ladle, including a track 10 and an online weighing, measuring, temperature measuring and sampling device for the hot metal ladle; the rail 10 is used to transfer the hot metal ladle 500 from the blast furnace smelting facility to the converter refining facility.
In this embodiment, the number of the rails 10 is two, and the two rails 10 are arranged below the working platform 300 side by side at intervals; the number of the temperature measuring sampling devices is two, and the two temperature measuring sampling devices are respectively arranged corresponding to the two rails 10; the number of the state monitoring processing devices is two, and the two state monitoring processing devices are respectively arranged corresponding to the two tracks 10; the two rails 10 share one on-line weighing device, and the on-line weighing device is used for respectively and independently weighing the hot metal ladles 500 on the two rails 10.
Set up two tracks 10, two tracks 10 can carry out hot metal bottle 500's transport simultaneously, weigh, temperature measurement sample and state monitoring handles and can go on simultaneously, improves work efficiency.
The embodiment of the invention also provides an online weighing, metering, temperature measuring and sampling method for the hot-metal bottle, which is implemented by adopting the online weighing, metering, temperature measuring and sampling equipment for the hot-metal bottle, and comprises the following steps: weighing the whole hot metal ladle 500 conveyed below the work platform 300 by using an online weighing device; measuring and sampling the molten iron conveyed into the molten iron tank 500 below the working platform 300 by using a temperature measuring and sampling device; the state of the molten iron tank 500 conveyed to the lower side of the work platform 300 is monitored and processed by the state monitoring and processing device.
The process from the smelting of the blast furnace to the refining of the converter is carried out with weighing, temperature measurement sampling and state monitoring treatment, when the furnace condition of the blast furnace fluctuates and the index of the molten iron composition is abnormal, the steel making can arrange the pretreatment processes of desulfurization, slag skimming and the like to the excessive molten iron in advance, thereby reducing the influence of the abnormal molten iron composition on the production of the steel making site and powerfully ensuring the stable and high yield of the steel making site.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides an online weighing measurement temperature measurement sampling equipment of hot metal bottle for set up between blast furnace smelting equipment and converter refining equipment be used for carrying on track (10) of hot metal bottle (500), its characterized in that, online weighing measurement temperature measurement sampling equipment of hot metal bottle includes:
a working platform (300), wherein the working platform (300) is arranged above the track (10) in an overhead manner;
the on-line weighing device is used for weighing the whole molten iron tank (500) conveyed below the working platform (300);
the temperature measurement sampling device is arranged on the working platform (300) and is used for measuring and sampling the temperature of the molten iron conveyed into the molten iron tank (500) below the working platform (300);
and the state monitoring and processing device is arranged on the working platform (300) and is used for monitoring and processing the state of the molten iron tank (500) conveyed to the position below the working platform (300).
2. The hot-metal bottle online weighing, metering, temperature measuring and sampling device according to claim 1, characterized in that:
the on-line weighing device also comprises a static molten iron weighing scale, a weighing and metering host (800) and a weighing controller, wherein the static molten iron weighing scale is communicated with the weighing controller; the weighing controller is in communication with the weighing and metering host (800);
the static molten iron metering scale is arranged below the track (10), and the weighing and metering host (800) is arranged on the working platform (300); the static molten iron weighing apparatus is used for weighing the whole molten iron tank (500) conveyed to the lower side of the working platform (300) to obtain weighing data, the weighing controller is used for transmitting the weighing data of the static molten iron weighing apparatus to the weighing and metering host computer (800), and the weighing and metering host computer (800) is used for storing the weighing data and displaying the weighing data.
3. The hot-metal bottle online weighing, metering, temperature measuring and sampling device according to claim 2, characterized in that:
the online weighing device also comprises a tank number identifier; the tank number recognizer is communicated with the weighing controller and used for recognizing and conveying the identification of the hot metal tank (500) below the working platform (300) and obtaining an identification signal, and then conveying the identification signal to the weighing controller, and the weighing controller is used for matching the identification signal with the weighing data.
4. The hot-metal bottle online weighing, metering, temperature measuring and sampling device according to claim 1, characterized in that:
the temperature measurement sampling device comprises a temperature measurement sampling robot (400), a temperature measurement probe and a distance measurement device (700); the distance measuring device (700) is communicated with the temperature measuring and sampling robot (400), and the distance measuring device (700) is used for detecting and obtaining a distance signal representing the distance between the temperature measuring probe and molten iron in the molten iron tank (500) and obtaining the temperature measuring position of the temperature measuring probe according to the distance signal; the temperature measurement probe is detachably installed on the temperature measurement sampling robot (400), the temperature measurement sampling robot (400) is used for controlling the temperature measurement probe to measure the temperature of molten iron in the molten iron tank (500) according to the temperature measurement position, and the temperature measurement sampling robot (400) is used for acquiring the temperature measurement signal of the temperature measurement probe.
5. The molten iron tank online weighing, metering, temperature measuring and sampling device according to claim 4, characterized in that:
temperature measurement sampling device still includes survey rifle device, temperature measurement sample feed bin (900) and useless case, survey rifle device be used for with temperature probe installs additional on temperature measurement sampling robot (400), temperature measurement sample feed bin (900) are used for placing and treat the temperature probe, useless case is used for retrieving used temperature probe.
6. The hot-metal bottle online weighing, metering, temperature measuring and sampling device according to claim 4, characterized in that:
the temperature measurement sampling device also comprises a sampling probe and a liquid level height detection device, and the liquid level height detection device is communicated with the temperature measurement sampling robot (400); the liquid level height detection device is used for detecting to obtain the liquid level height of molten iron in the molten iron tank (500) and obtaining the sampling position of the sampling probe according to the liquid level height of the molten iron; the sampling probe is detachably mounted on the temperature measurement sampling robot (400), and the temperature measurement sampling robot (400) is used for controlling the sampling probe to sample molten iron in the molten iron tank (500) according to the sampling position.
7. The molten iron tank online weighing, metering, temperature measuring and sampling device according to claim 1, characterized in that:
the state monitoring and processing device comprises a monitoring camera (600) and a furnace dismantling machine (610) which are arranged on a working platform (300), wherein the monitoring camera (600) is used for monitoring to obtain a characteristic to be conveyed to a tank opening of a molten iron tank (500) under the working platform (300) to form a tank opening signal of iron slag, and the furnace dismantling machine (610) is used for clearing the molten iron tank (500) according to the tank opening signal.
8. An on-line weighing, metering, temperature measuring and sampling system for a hot metal ladle, which is characterized by comprising a track (10) and the on-line weighing, metering, temperature measuring and sampling device for the hot metal ladle according to any one of claims 1 to 7; the rail (10) is used for conveying the hot metal ladle (500) from the blast furnace plant to the converter refining plant.
9. The molten iron tank online weighing, metering, temperature measuring and sampling system according to claim 8, characterized in that:
the number of the rails (10) is two, and the two rails (10) are arranged below the working platform (300) side by side at intervals;
the number of the temperature measuring sampling devices is two, and the two temperature measuring sampling devices are respectively arranged corresponding to the two rails (10); the number of the state monitoring and processing devices is two, and the two state monitoring and processing devices are respectively arranged corresponding to the two tracks (10); the two rails (10) share one online weighing device, and the online weighing device is used for respectively and independently weighing the hot metal ladle (500) on the two rails (10).
10. A hot-metal bottle online weighing, measuring, temperature measuring and sampling method is implemented by the hot-metal bottle online weighing, measuring, temperature measuring and sampling device according to any one of claims 1 to 7, and is characterized by comprising the following steps:
weighing the whole hot metal ladle (500) conveyed below the working platform (300) by using the online weighing device;
measuring the temperature of the molten iron conveyed into the molten iron tank (500) below the working platform (300) by using the temperature measuring and sampling device and sampling;
and monitoring and processing the state of the hot metal ladle (500) conveyed to the lower part of the working platform (300) by using the state monitoring and processing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210974408.3A CN115342892A (en) | 2022-08-15 | 2022-08-15 | Hot metal ladle online weighing, metering, temperature measuring and sampling device, system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210974408.3A CN115342892A (en) | 2022-08-15 | 2022-08-15 | Hot metal ladle online weighing, metering, temperature measuring and sampling device, system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115342892A true CN115342892A (en) | 2022-11-15 |
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ID=83952266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210974408.3A Pending CN115342892A (en) | 2022-08-15 | 2022-08-15 | Hot metal ladle online weighing, metering, temperature measuring and sampling device, system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115342892A (en) |
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2022
- 2022-08-15 CN CN202210974408.3A patent/CN115342892A/en active Pending
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