CN212741229U - Safety detection device for coke oven - Google Patents
Safety detection device for coke oven Download PDFInfo
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- CN212741229U CN212741229U CN202021096345.9U CN202021096345U CN212741229U CN 212741229 U CN212741229 U CN 212741229U CN 202021096345 U CN202021096345 U CN 202021096345U CN 212741229 U CN212741229 U CN 212741229U
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Abstract
The utility model provides a coke oven safety detection device, which comprises a coal feeding port blockage detection unit, a small furnace door in-place detection unit, a PLC unit, a coke pusher and a coal feeding port furnace cover mechanism bracket, wherein the coal feeding port blockage detection unit is fixedly arranged on the coal feeding port furnace cover mechanism bracket; the small furnace door in-place detection unit is fixedly arranged on one side of the small furnace door opening mechanism of the coke pushing car top platform, and the PLC unit is electrically connected with the coal feeding port blockage detection unit and the small furnace door in-place detection unit and used for receiving working signals of the detection unit. The utility model discloses a device, through the temperature detection and the camera control dual mode of adding coal mouth jam detecting element, the mode that the temperature that little furnace door detected the detecting element that targets in place, the judgement coke oven that can be accurate adds the coal mouth and whether takes place to block up, and whether little furnace door targets in place, is convenient for install simultaneously, overhauls, has promoted the automation of production, has improved production efficiency.
Description
Technical Field
The utility model belongs to the field of coke oven coking production and test equipment, and provides a safety detection device for a coke oven.
Background
At present, a coal hole cover needs to be opened when coal charging is carried out in coking production, and a coal charging car is used for charging and leveling coal after the furnace cover is in place, which is a routine daily work, but the problems in normal work are as follows: (1) the existing common top coal charging hole cover is of a double-layer structure, the upper layer and the lower layer are connected through bolts and are corroded by various corrosion after being used for a long time, the bolt connecting rods of the upper layer and the lower layer of the coal charging hole cover are easy to break due to high temperature of the furnace top, so that the upper layer cover is taken down and the lower layer cover is not taken down when the cover is taken down, or factors such as secondary coke exists in the coal charging hole sometimes, and at the moment, if coal is charged (discharged), the phenomenon of coal piling on the furnace top can occur, so that the coal charging vehicle is difficult to walk, and the production of a coke oven is influenced.
(2) Before coal leveling, a small furnace door is opened or not, a small furnace door on the side of the coke pusher needs to be opened firstly before coal leveling according to a production process, but in actual production, the small furnace door is opened or not, conventionally, automatic judgment is carried out mainly by means of a fixed stroke on a small furnace door opening mechanism, once the small furnace door is not opened actually, the small furnace door opening mechanism automatically judges that the small furnace door is opened, and accidents such as the fact that a coal leveling rod behind the small furnace door is advanced to collide the small furnace door, the expensive coal leveling rod is damaged and the like can be caused.
Disclosure of Invention
In order to adapt to the automatic operation of coke pushing, guarantee operation safety is in the same direction as going, need detect solving whether the coal feeding mouth blocks up, judge whether the coal feeding mouth lid normally opens, and whether there is blocking phenomenon in the coal feeding mouth, in addition, still need open the problem that targets in place to the small oven door to prevent the emergence of above-mentioned problem, guarantee coke pushing automation mechanized operation production safety is in the same direction as going, the utility model provides a coke oven safety inspection device.
The specific technical scheme is as follows: the device comprises a coal charging port blockage detection unit, a small furnace door in-place detection unit, a PLC unit, a coke pusher and a coal charging port furnace cover mechanism bracket, wherein the coal charging port blockage detection unit is fixedly arranged on the coal charging port furnace cover mechanism bracket; the small furnace door in-place detection unit is fixedly arranged on one side of the small furnace door opening mechanism of the coke pushing car top platform, and the PLC unit is electrically connected with the coal feeding port blockage detection unit and the small furnace door in-place detection unit and used for receiving working signals of the detection unit.
As an improvement, the coal charging port blockage detection unit is provided with an industrial bicolor infrared thermometer, an LED lamp, a camera and a lens protection cover, wherein the industrial bicolor infrared thermometer is fixedly arranged on a coal charging port furnace cover mechanism support and is connected with a PLC unit through a cable; the camera is fixedly arranged above the industrial bicolor infrared thermometer and is wirelessly connected with the PLC unit, and a group of LED lamps are respectively and independently arranged on two sides of the PLC unit; the lens protection cover is fixedly arranged around the camera.
As an improvement, the small furnace door in-place detection unit comprises a group of infrared thermometers, a fixed bracket, an electromagnetic valve and an air pump; the infrared thermometer is fixedly arranged on one side of the coke pusher top end platform small door opening mechanism through a fixed support and is communicated with the air pump, compressed air is arranged in the air pump, and an electromagnetic valve is arranged between the air pump and the infrared thermometer.
Has the advantages that: the utility model provides a coke oven safety inspection device, through the temperature detection and the camera control dual mode of coal mouth jam detecting element, the mode that the temperature of little fire door detecting element that targets in place, the judgement coke oven that can be accurate whether take place to block up and little fire door target in place and carried out safety inspection, simultaneously, the utility model discloses a device is convenient for install, is overhauld, can adapt to under smelting production actual conditions and the operating mode condition, under comparing temperature testing result and default, conveys the PLC unit of coal pusher, obtains under the abnormal conditions through coke oven control treater, analysis and processing have promoted the automation of production, have improved production efficiency.
Drawings
FIG. 1 is a schematic view of the working condition of the coke oven of the present invention.
In the attached drawings, 1, a PLC unit; 2. an infrared thermometer.
Detailed Description
The present invention will be further explained below.
A safety detection device for a coke oven comprises a coal feeding port blockage detection unit, a small oven door in-place detection unit, a PLC unit 1, a coke pusher and a coal feeding port oven cover mechanism bracket, wherein the coal feeding port blockage detection unit is fixedly arranged on the coal feeding port oven cover mechanism bracket; the small furnace door in-place detection unit is fixedly arranged on one side of the small furnace door opening mechanism of the coke pushing car top platform, and the PLC unit 1 is electrically connected with the coal feeding port blockage detection unit and the small furnace door in-place detection unit and used for receiving working signals of the detection unit, giving out signals of whether coal feeding is blocked or not and whether the small furnace door is in place or not and guiding the next step of work.
The utility model discloses well PLC model that adopts is 984 of U.S. modicon company and supplyes 680PLC controller, and the model of industry bicolor infrared thermometer is BTS 1800.
The coal charging port blockage detection unit is provided with an industrial bicolor infrared thermometer 2, an LED lamp, a camera and a lens protection cover, wherein the industrial bicolor infrared thermometer 2 is fixedly arranged on a coal charging port furnace cover mechanism support and is connected with the PLC unit 1 through a cable; the camera is fixedly arranged above the industrial bicolor infrared thermometer 2 and is wirelessly connected with the PLC unit 1, and a group of LED lamps are respectively and independently arranged on two sides of the PLC unit; the lens protection cover is fixedly arranged around the camera.
As a specific embodiment of the utility model, industry double-colored infrared thermometer 2 measures the temperature value, utilize the temperature difference change around the coal charging mouth bell is opened, open bell mechanism support at the coal charging car and go up industry double-colored infrared thermometer 2, after the device received the vehicle and begin the detected signal, survey bell zone temperature, industry double-colored infrared thermometer 2's detected temperature will pass to on-vehicle PLC unit, by on-vehicle PLC unit 1 according to the measured data not less than the predetermined value, preferably set up the predetermined value and be 700 + 800 ℃, for example ≥ 700 ℃ opens for the bell, be less than 700 ℃ and close for the bell, judge whether the bell opens. The temperature measured value of the coal filling port blockage detection unit is transmitted to the on-vehicle PLC unit, and the on-vehicle PLC unit judges whether normal coal filling can be carried out or not as the interlocking condition of coal charging operation of the coal charging vehicle.
Further, the PLC unit 1 optionally sends out a working signal, and the coke oven tool performs the next operation, such as performing subsequent processing after abnormal information of coal feeding port blockage detection, and performing normal coal feeding processing or maintenance and checking the blockage condition.
Wherein, the utility model discloses in, the effect of camera and camera lens safety cover can convey the image of shooing in real time to PLC unit 1, carries out to do the comprehensive reference with the unusual of temperature, increases the measuring degree of accuracy, can realize not using the purpose that detects on the people to the machine position.
Meanwhile, the small furnace door in-place detection unit comprises a group of infrared thermometers 2, a fixed bracket, an electromagnetic valve and an air pump; the infrared thermometer 2 is fixedly arranged on one side of the coke pusher top platform small door opening mechanism through a fixed support and is communicated with an air pump, compressed air is arranged in the air pump, and an electromagnetic valve is arranged between the air pump and the infrared thermometer 2. The optional coal filling port blockage detection unit can also be arranged in the same way, and the purpose of installing the air pump is realized.
A small furnace door in-place detection unit is arranged beside a platform small furnace door opening mechanism on the uppermost layer of the coke pusher by utilizing the temperature difference change before and after the small furnace door is opened, after the device receives a vehicle detection starting signal, the temperature of the area of the small furnace door is detected, the temperature measurement value of an infrared thermometer 2 is transmitted to an on-board PLC unit, the on-board PLC unit 1 judges that the small furnace door is opened when the temperature is less than 700 ℃ or less, and preferably the predetermined value is 750 ℃ according to the measurement data, for example, the temperature is more than or equal to 700 ℃, and judges that the small furnace door is closed when the temperature is less than 700. And (4) judging whether the small furnace door is opened or not as an interlocking condition for the coal leveling operation of the coke pusher.
When the temperature measured by the infrared thermometer at one side of the small furnace door opening mechanism of the coke pushing car top platform is not less than the preset value, the small furnace door is judged to be opened, and the coal leveling treatment is carried out; when the temperature measured by the infrared thermometer at one side of the coke pusher top platform small door opening mechanism is lower than the preset value, the small door is judged to be closed or abnormal, and corresponding tool processing is required to prevent collision and workpiece damage.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (3)
1. A coke oven safety detection device is characterized in that: the device comprises a coal charging port blockage detection unit, a small furnace door in-place detection unit, a PLC unit, a coke pusher and a coal charging port furnace cover mechanism bracket, wherein the coal charging port blockage detection unit is fixedly arranged on the coal charging port furnace cover mechanism bracket; the small furnace door in-place detection unit is fixedly arranged on one side of the small furnace door opening mechanism of the coke pushing car top platform, and the PLC unit is electrically connected with the coal feeding port blockage detection unit and the small furnace door in-place detection unit and used for receiving working signals of the detection unit.
2. The coke oven safety inspection device of claim 1, wherein: the coal charging port blockage detection unit is provided with an industrial bicolor infrared thermometer, an LED lamp, a camera and a lens protection cover, wherein the industrial bicolor infrared thermometer is fixedly arranged on a coal charging port furnace cover mechanism support and is connected with the PLC unit through a cable; the camera is fixedly arranged above the industrial bicolor infrared thermometer and is wirelessly connected with the PLC unit, and a group of LED lamps are respectively and independently arranged on two sides of the PLC unit; the lens protection cover is fixedly arranged around the camera.
3. The coke oven safety inspection device of claim 1, wherein: the small furnace door in-place detection unit comprises a group of infrared thermometers, a fixed support, an electromagnetic valve and an air pump; the infrared thermometer is fixedly arranged on one side of the coke pusher top end platform small door opening mechanism through a fixed support and is communicated with the air pump, compressed air is arranged in the air pump, and an electromagnetic valve is arranged between the air pump and the infrared thermometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021096345.9U CN212741229U (en) | 2020-06-15 | 2020-06-15 | Safety detection device for coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021096345.9U CN212741229U (en) | 2020-06-15 | 2020-06-15 | Safety detection device for coke oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212741229U true CN212741229U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021096345.9U Active CN212741229U (en) | 2020-06-15 | 2020-06-15 | Safety detection device for coke oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212741229U (en) |
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2020
- 2020-06-15 CN CN202021096345.9U patent/CN212741229U/en active Active
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