CN203069543U - Roughing slag detecting system of continuous casting bale - Google Patents
Roughing slag detecting system of continuous casting bale Download PDFInfo
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- CN203069543U CN203069543U CN 201320022379 CN201320022379U CN203069543U CN 203069543 U CN203069543 U CN 203069543U CN 201320022379 CN201320022379 CN 201320022379 CN 201320022379 U CN201320022379 U CN 201320022379U CN 203069543 U CN203069543 U CN 203069543U
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Abstract
The utility model discloses a roughing slag detecting system of a continuous casting bale. The roughing slag detecting system comprises a signal collecting device including a resistance detecting probe, wherein the resistance detecting probe is installed on a long nozzle; a signal analyzing and processing device comprising a signal conditioner, a PLC(Programmable Logic Controller) module and an industrial personal computer, wherein a signal of the resistance detecting probe is transmitted to the signal conditioner, an output end of the signal conditioner is connected to the PLC module, and the industrial personal computer is connected with the PLC module; and an alarm output device comprising an audible and visual alarm and a display, wherein the audible and visual alarm is connected with the PLC module, and the display is connected to the industrial personal computer. The detecting system is simple in installation and maintenance, strong in external interference resistance, high in sensitivity, high in response speed, and is capable of reducing the workload of steel mill operators, perfecting the quality of casting blanks and improving the benefit of the steel mill.
Description
Technical field
The utility model relates to the continuous casting field, relates in particular to a kind of continuous casting bale slag-blanking detection system.
Background technology
In continuous casting production process, molten steel is bag from big bag flows into, and contracts out the mouth of a river in the warp again and enters crystallizer, and the cooling after coagulation becomes the strand in various cross sections; In this process, can have a strong impact on slab quality if be mingled with too many slag in the molten steel, and wrap heat proof material in corroding.Therefore, bag during the slag in the big bag of control flows into, to improving slab quality, increasing continuous casting batch has important meaning.
In realizing process of the present utility model, the inventor finds that there are the following problems at least in the prior art: the following slag detection technique of using always mainly contains electromagnetism survey slag and surveys two kinds of slags with vibration at present, and there is the installation and maintenance difficulty in electromagnetism survey slag, defectives such as cost height; It is very high to the vibration signal requirement of the required collection of signal source that slag is surveyed in vibration, but complicated and changeable at the steel-making site environment, undesired signal is various, and therefore, antijamming capability does not become its maximum defective by force.
The utility model content
The continuous casting bale slag-blanking detection system that provides simple, the anti-external interference ability of a kind of installation and maintenance strong, highly sensitive is provided the purpose of this utility model.
For achieving the above object, the technical scheme that the utility model provides is: a kind of continuous casting bale slag-blanking detection system comprises: signal pickup assembly, comprise the resistance detection probe, and described resistance detection probe is installed on the long nozzle; The signal analysis and processing device comprises signal conditioner, PLC module and industrial computer, and the signal of described resistance detection probe is transferred to signal conditioner, and the output terminal of described signal conditioner is connected to the PLC module, and described industrial computer is connected with the PLC module; Alarm output device comprises audible-visual annunciator and display, and described audible-visual annunciator is connected with the PLC module, and described display is connected to industrial computer.
Preferably, also comprise cooling device, described cooling device is connected by signal wire with signal pickup assembly.
Preferably, described resistance detection probe comprises high temperature resistant conductive electrode.
Preferably, described high temperature resistant conductive electrode is selected high temperature resistant conductive material tungsten for use.
A technical scheme in the technique scheme has following advantage or beneficial effect: these system's installation and maintenance are simple, and anti-external interference ability is strong, highly sensitive, response speed is fast, can reduce the operating personnel of steel mill workload, improve slab quality, improve steel mill's benefit.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do simple introduction to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Accompanying drawing 1 is the structured flowchart of the utility model embodiment.
Embodiment
Below by specific embodiment the utility model is further described.
Fig. 1 shows the structured flowchart according to bale slag-blanking detection system of the present utility model.As shown in Figure 1, the bale slag-blanking detection system mainly comprises signal pickup assembly, signal analysis and processing device, alarm output device and cooling device 8.Wherein, signal pickup assembly comprises resistance detection probe 1; The signal analysis and processing device comprises signal conditioner 3, PLC module 4 and industrial computer 5; Alarm output device comprises audible-visual annunciator 6 and display 7; Cooling device 8 comprises pressure switch, pressure regulation filtrator, vortex effect refrigeration pipe and solenoid directional control valve.
Resistance detection probe 1 is installed on the long nozzle 9, is connected with signal conditioner 3, PLC module 4 and industrial computer 5 successively after by cooling device 8 with resistance detection probe 1 signal wire that is connected 2.
PLC module 4 receives big bag weight signal 12 and begins to detect resistance according to weight information control signal harvester in the signal analysis and processing device, the resistance signal of signal conditioner 3 receptions, the collection of processing signals harvester also transfers to PLC module 4, is input to industrial computer 5 analyzing and processing after the signal conversion.
Alarm output device can be selected any audible-visual annunciator 6 for use, and audible-visual annunciator 6 is connected with PLC module 4, and audible-visual annunciator 6 receives alerting signal from PLC module 4, starts sound and light alarm.Display 7 can be selected the common display device for use, and display 7 connects industrial computer 5, and industrial computer 5 will descend slag information to export display 7 to, by scoriform condition under the display 7 operating personnel monitoring in real time.
Cooling device 8 is connected by signal wire 2 with signal pickup assembly, makes the circuit cooling of signal pickup assembly, increases the service life.Signal wire 2 outermost layers are the high warm sleeve of insulation among Fig. 1, and the middle level is the refractory metal flexible pipe, and the innermost layer is signal cable.
In casting process, molten steel wraps 11 from big bag 10 through long nozzle 9 flows into, and long nozzle 9 sidewalls are provided with a hole, and resistance detection probe 1 inserts in the long nozzle 9 from the hole and fixes.When molten steel wrapped 11 in long nozzle 9 flows into, resistance detection probe 1 can be measured the resistance of molten steel.The conductance of invar slag is the per mille of molten steel conductance, can cause the bigger variation of resistance value when slag enters long nozzle 9, judges the situation of slag down with this.
Resistance detection probe 1 resistance signal that collects is input to signal conditioner 3, after carrying out the amplification, filtering of signal, transfer to PLC module 4 and carry out the A/D conversion processing, import industrial computer 5 after finishing and carry out real-time online analysis and processing, after algorithm is judged identification, the two states of molten steel and slag is monitored, in case detect down slag, system just sends the sound and light alarm signal, reminds the staff to carry out associative operation.
According to slag and molten steel resistivity different; adopt high temperature resistant conductive material to do electrode and constitute low tension loop; detect changes in resistance and react the variation of slag in the molten steel; thereby measure the variation of the slag amount in bag 11 molten steel; and remind operating personnel in time to close big bag 10 mouths of a river or close the mouth of a river automatically with the form of sound and light alarm; control the quantity of slag with bag 11 in the molten steel inflow; improve the cleanliness factor of molten steel; avoid the corrosion of nozzle blocking and middle bag 11 anti-materials; bag 11 deslagging number of operations in the minimizing; realize the protection cast simultaneously, improve billet quality and molten steel recovery rate.
Used specific embodiment herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.The above only is preferred implementation of the present utility model, should be understood that, because the finiteness of literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, under the prerequisite that does not break away from the utility model principle, can also make some improvement, retouching or variation, also above-mentioned technical characterictic can be made up by rights; These improve retouching, change or combination, or without improving the design of utility model and technical scheme are directly applied to other occasion, all should be considered as protection domain of the present utility model.
Claims (4)
1. a continuous casting bale slag-blanking detection system is characterized in that, comprising:
Signal pickup assembly comprises the resistance detection probe, and described resistance detection probe is installed on the long nozzle;
The signal analysis and processing device comprises signal conditioner, PLC module and industrial computer, and the signal of described resistance detection probe is transferred to signal conditioner, and the output terminal of described signal conditioner is connected to the PLC module, and described industrial computer is connected with the PLC module;
Alarm output device comprises audible-visual annunciator and display, and described audible-visual annunciator is connected with the PLC module, and described display is connected to industrial computer.
2. continuous casting bale slag-blanking detection system according to claim 1, it is characterized in that: also comprise cooling device, described cooling device is connected by signal wire with signal pickup assembly.
3. continuous casting bale slag-blanking detection system according to claim 1 is characterized in that: described resistance detection probe comprises high temperature resistant conductive electrode.
4. continuous casting bale slag-blanking detection system according to claim 3, it is characterized in that: described high temperature resistant conductive electrode is selected high temperature resistant conductive material tungsten for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022379 CN203069543U (en) | 2013-01-16 | 2013-01-16 | Roughing slag detecting system of continuous casting bale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320022379 CN203069543U (en) | 2013-01-16 | 2013-01-16 | Roughing slag detecting system of continuous casting bale |
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| Publication Number | Publication Date |
|---|---|
| CN203069543U true CN203069543U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320022379 Expired - Fee Related CN203069543U (en) | 2013-01-16 | 2013-01-16 | Roughing slag detecting system of continuous casting bale |
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| CN (1) | CN203069543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444758A (en) * | 2018-04-26 | 2018-08-24 | 山东莱钢永锋钢铁有限公司 | Ladle sampler |
-
2013
- 2013-01-16 CN CN 201320022379 patent/CN203069543U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444758A (en) * | 2018-04-26 | 2018-08-24 | 山东莱钢永锋钢铁有限公司 | Ladle sampler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20220116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |