CN218531364U - Intelligent identification device for blockage of gangue underflow port of three-product cyclone - Google Patents
Intelligent identification device for blockage of gangue underflow port of three-product cyclone Download PDFInfo
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- CN218531364U CN218531364U CN202222678702.8U CN202222678702U CN218531364U CN 218531364 U CN218531364 U CN 218531364U CN 202222678702 U CN202222678702 U CN 202222678702U CN 218531364 U CN218531364 U CN 218531364U
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Abstract
The utility model discloses a three-product swirler waste rock underflow opening blocks up intelligent recognition device, including one section swirler, one side of one section swirler is provided with the raw coal feed inlet, and two-stage process swirler, it is installed one side of one section swirler below, the camera, it is installed take off the output of medium sieve body. This three-product swirler waste rock underflow opening blocks up intelligent recognition device, compare with current device, utilize video analysis and image recognition technology, monitor the medium removal sieve screen surface of three-product heavy medium swirler waste rock export below, in case discover the screen surface material failure in process of production, then can judge that the three-product heavy medium swirler discharge gate that the medium removal sieve corresponds has blockked up, image analysis software can send the warning to the PLC centralized control system of coal preparation plant, can participate in the shutting of industrial control system next computer when necessary, stop the raw coal feed at the very first time, reduce clean coal or the economic loss that middlings caused because of receiving the pollution.
Description
Technical Field
The utility model relates to a dense medium cyclone detects technical field, specifically is a three-product swirler waste rock underflow opening blocks up intelligent recognition device.
Background
The dense medium cyclone is a coal dressing equipment with simple structure, no moving parts and high dressing efficiency, and because the cyclone itself has no moving parts, its dressing process completely depends on the flexible matching of its own structure parameters and external operation parameters to realize the optimum dressing precision, which is the distinctive feature of cyclone coal dressing and other coal dressing methods, the common three-product dense medium cyclone structure is formed by a first-stage cyclone and a second-stage cyclone network. After raw coal is separated by a three-product dense medium cyclone, clean coal is discharged and collected from a central pipe of a first cyclone, middlings are discharged and collected from a central pipeline of a second cyclone, and gangue is discharged and collected from a bottom flow port of the second cyclone. When the discharge port of the second section is blocked, the gangue can be discharged from the discharge port of the middling coal, and the middling coal can be polluted by the gangue. If the faults are not discovered and processed in time, serious economic loss is brought to coal preparation enterprises, and therefore the intelligent identification device for blockage of the gangue underflow port of the three-product cyclone is used.
The existing three-product heavy medium cyclone belongs to closed mechanical equipment, under the condition that the equipment is not disassembled, a patrol worker cannot visually know the working condition inside the device, a medium removing sieve below the three-product heavy medium cyclone is in a high-frequency vibration state in the production process, if an instrument and a meter in the traditional coal preparation industry are adopted, whether the medium removing sieve has materials or not can not be accurately detected due to vibration, in the coal preparation production process, it is very difficult to timely and accurately identify whether the abnormal working condition of the three-product heavy medium cyclone occurs or not under the condition that a production system is not stopped, and therefore the intelligent identification device for the blockage of the gangue underflow opening of the three-product cyclone is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a three-product swirler gangue underflow port blocks up intelligent recognition device, in order to solve and to provide in the above-mentioned background art because three-product dense medium swirler belongs to inclosed mechanical equipment, under the condition that equipment is not disassembled, patrol and examine the unable inside operating mode of understanding directly perceivedly of workman, and the scummer screen of three-product dense medium swirler below is in the high frequency vibration state in process of production, if adopt the instrument and meter of traditional coal dressing trade, can be because vibrations and the unable accurate detection goes out the scummer screen and whether have the material, in the coal dressing production process, how in the circumstances that production system does not shut down in time, the accurate discernment goes out three-product dense medium swirler and whether appear unusual operating mode just very difficult problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a three-product swirler waste rock underflow opening blocks up intelligent recognition device, includes:
the coal-washing device comprises a first-section swirler, a second-section swirler and a first-section swirler, wherein a raw coal feeding hole is formed in one side of the first-section swirler, and a clean coal discharging hole is formed in the other side of the first-section swirler;
the second-stage cyclone is arranged on one side below the first-stage cyclone, a blanking connector is arranged at the joint of the second-stage cyclone and the first-stage cyclone, a middlings discharge port is arranged on one side below the second-stage cyclone, and a gangue discharge port is arranged on one side outside the second-stage cyclone;
the medium removing sieve body is respectively arranged below the clean coal discharge port, the middlings discharge port and the gangue discharge port;
the output end of the camera is connected with an industrial network, and the output end of the industrial network is connected with a hard disk video recorder;
and the video analysis server is installed at the output end of the hard disk video recorder, the KEPServer server is installed at the output end of the video analysis server, and the output end of the KEPServer server is respectively connected with a centralized control system and a centralized control upper computer.
Preferably, the raw coal feed inlet forms a communicating structure with the clean coal discharge outlet through a first-stage cyclone, and the first-stage cyclone is communicated with the second-stage cyclone through a blanking connector.
Preferably, the two-stage cyclone is communicated with a middlings discharge port and a gangue discharge port respectively.
Preferably, the medium removing sieve body comprises a clean coal medium removing sieve, a medium coal medium removing sieve and a gangue medium removing sieve.
Preferably, the camera is a camera with an infrared light supplementing function, a lens of the camera is inclined downwards, the screen surface of the medium removing screen body occupies an area ratio of not less than 20% in an image of the camera, and the frame rate of the camera is fixed at 25 frames/second.
Preferably, the industrial network comprises a control system, a video monitoring system and a voice broadcasting system, and the industrial network, the hard disk video recorder and the video analysis server are connected through a network.
Preferably, the video analysis server comprises an image analysis module, a history record storage module and an alarm output module, the alarm output module is connected with the KEPServer server through a network, and the centralized control system is connected with the centralized control upper computer through a network.
Compared with the prior art, the utility model provides a three-product swirler waste rock underflow opening blocks up intelligent recognition device possesses following beneficial effect:
the utility model discloses utilize video analysis and image recognition technique, carry out 24 hours's monitoring to the medium removing sieve sifter screen surface of three products heavy medium cyclone gangue export below, in case discovery sifter material failure in the production process, then can judge that the three products heavy medium cyclone discharge gate that the medium removing sieve corresponds has blockked up, image analysis software can send the warning to the PLC centralized control system of coal preparation plant, can participate in the shutting of the next machine of industrial control system when necessary, stop the raw coal feed at the very first time, reduce clean coal or middlings because receive the economic loss that the pollution caused.
Drawings
FIG. 1 is a schematic view of a connection structure of a first stage cyclone and a second stage cyclone according to the present invention;
FIG. 2 is a schematic view of the structure of the production process of the present invention;
FIG. 3 is a schematic diagram of the system structure of the present invention;
fig. 4 is the overall workflow diagram of the image analysis software of the present invention.
In the figure: 1. a first stage cyclone; 2. a raw coal feed port; 3. a clean coal discharge port; 4. a blanking connector; 5. a second stage cyclone; 6. a discharge hole of the middling; 7. a discharge hole of the gangue; 8. a medium removing screen body; 9. a camera; 10. an industrial network; 11. a hard disk video recorder; 12. a video analysis server; 13. a KEPServer server; 14. a centralized control system; 15. and (4) centralized control of an upper computer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, an intelligent identification device for gangue bottom flow port blockage of a three-product cyclone includes: the device comprises a first-stage swirler 1, wherein a raw coal feeding hole 2 is formed in one side of the first-stage swirler 1, and a clean coal discharging hole 3 is formed in the other side of the first-stage swirler 1; the second-stage cyclone 5 is arranged on one side below the first-stage cyclone 1, a blanking connector 4 is arranged at the joint of the second-stage cyclone 5 and the first-stage cyclone 1, a middlings discharge port 6 is arranged on one side below the second-stage cyclone 5, and a gangue discharge port 7 is arranged on one side outside the second-stage cyclone 5; the medium removing sieve body 8 is respectively arranged below the clean coal discharge port 3, the middlings discharge port 6 and the gangue discharge port 7; a communicating structure is formed between the raw coal feed port 2 and the clean coal discharge port 3 through a first-stage swirler 1, and the first-stage swirler 1 is communicated with a second-stage swirler 5 through a blanking connector 4; the secondary cyclone 5 is respectively communicated with a middling coal discharge port 6 and a gangue discharge port 7; the medium removing sieve body 8 comprises a clean coal medium removing sieve, a middling medium removing sieve and a gangue medium removing sieve; the raw coal is conveniently put into the first-section cyclone 1 through the raw coal feeding hole 2, the middlings discharging hole 6 and the gangue discharging hole 7 are convenient for discharging middlings and gangue materials, sorted clean coal is sieved by the clean coal discharging hole 3 through clean coal medium removal, the discharging connecting hole 4 is convenient for conveying partial materials in the first-section cyclone 1 into the second-section cyclone 5, sorted middlings fall into the middlings medium removal sieve through the middlings discharging hole 6, and sorted gangue falls into the gangue dewatering sieve through the gangue discharging hole 7.
Referring to fig. 1, 3 and 4, an intelligent identification device for the blockage of the gangue underflow port of a three-product cyclone comprises: the camera 9 is installed at the output end of the medium removing screen body 8, the output end of the camera 9 is connected with an industrial network 10, and the output end of the industrial network 10 is connected with a hard disk video recorder 11; the camera 9 is a camera with an infrared light supplementing function, a lens of the camera 9 is inclined downwards, the area proportion of the screen surface of the medium removing screen body 8 in the image of the camera 9 is not less than 20%, and the frame rate of the camera 9 is fixed at 25 frames per second; the screen surface of the medium removal screen body 8 can be monitored through the camera 9, whether a discharge port of an upstream three-product heavy medium cyclone is blocked or not is indirectly deduced, a camera 9 lens with an infrared light supplementing function is inclined downwards, the whole screen surface can be clearly seen, the occupied area proportion of the screen surface in an image of the camera 9 is not lower than 20%, an industrial network 10 with an annular structure is used for bearing data communication of all systems directly related to production, such as a control system, a video monitoring system, a voice broadcasting system and the like, the video signal of the camera 9 can be firstly transmitted to a hard disk video recorder 11 positioned in a central machine room through the industrial network 10, the hard disk video recorder 11 can provide a stable and high-definition video signal for image analysis software, and meanwhile, the historical record of the camera 9 can be stored; the system comprises a video analysis server 12, a KEPServer server 13 and a centralized control system 14, wherein the video analysis server 12 is installed at the output end of a hard disk video recorder 11, the KEPServer server 13 is installed at the output end of the video analysis server 12, and the output end of the KEPServer server 13 is respectively connected with the centralized control system 14 and the centralized control upper computer 15; the industrial network 10 comprises a control system, a video monitoring system and a voice broadcasting system, and the industrial network 10, the hard disk video recorder 11 and the video analysis server 12 are connected with the network; the video analysis server 12 comprises an image analysis module, a history record storage module and an alarm output module, the alarm output module is connected with the KEPServer server 13 through a network, and the centralized control system 14 is connected with the centralized control upper computer 15 through a network; an image analysis module in a video analysis server 12 of a central machine room can acquire 24-hour uninterrupted video signals from a hard disk video recorder 11, an analysis algorithm detects each frame of video image, when the fact that a coal preparation plant normally produces the charged coal and the screen surface of a medium removing screen has no material is found, an alarm is sent to a KEPServer server 13 at once, meanwhile, a centralized control system 14 of the coal preparation plant can immediately realize emergency stop of equipment of the whole plant according to the alarm signal, accident loss is reduced, and a person on duty for scheduling the coal preparation plant can also see fault information through a centralized control upper computer 15.
The working principle is as follows: when the intelligent identification device for the blockage of the gangue underflow port of the three-product cyclone is used, raw coal is firstly put into the first-section cyclone 1 through the raw coal feeding port 2, the middling coal discharging port 6 and the gangue discharging port 7 are convenient for discharging middling coal materials and gangue materials, sorted clean coal is subjected to clean coal medium removal screening through the clean coal discharging port 3, the discharging connecting port 4 is convenient for conveying partial materials in the first-section cyclone 1 into the second-section cyclone 5, the sorted middling coal falls into the middling coal medium removal screening through the middling coal discharging port 6, and the sorted gangue falls into the gangue dewatering screening through the gangue discharging port 7; secondly, monitoring the screen surface of the medium removing screen body 8 through a camera 9, indirectly deducing whether a discharge port of an upstream three-product heavy medium cyclone is blocked or not, installing the camera 9 with an infrared light supplementing function at a position close to the front of the medium removing screen body 8, and inclining a lens of the camera 9 downwards to ensure that the whole screen surface can be clearly seen, so that the area proportion of the screen surface in an image of the camera 9 is not less than 20%; then an industrial network 10 with an annular structure for carrying data communication of all systems directly related to production, such as a control system, a video monitoring system, a voice broadcasting system and the like, is utilized to transmit video signals of a camera 9 to a hard disk video recorder 11 positioned in a central machine room, according to the production capacity of a coal preparation plant and the number of gangue medium removing sieves, the camera 9 supporting 4 paths is generally selected to be stored to meet the requirement, the hard disk video recorder 11 provides stable and high-definition video signals for image analysis software, meanwhile, the historical records of the camera 9 can be stored, the screen surface of the medium removing sieve is in a material-free state when the coal preparation system is stopped or driven but is not provided with coal by the image analysis software, the situation belongs to a normal production state, the situation can be filtered during detection, and the software selects four signals of a PLC centralized control system to judge the production state: the method comprises the following steps that (1) when raw coal enters an instantaneous amount of a belt scale for washing, an instantaneous amount of a clean coal belt scale, a charge signal of a medium removing sieve and a running signal of the medium removing sieve, wherein when the instantaneous amount of the raw coal entering the belt scale for washing and the instantaneous amount of the clean coal belt scale all exceed 50t/h, and the charge signal and the running signal of the medium removing sieve are all True, the system can be considered to be in normal charged running; finally, by means of the real-time analysis of at most 4 paths of videos supported by each set of software of the image analysis module in the video analysis server 12 of the central machine room, 24-hour uninterrupted video signals can be obtained from the hard disk video recorder 11, each frame of video image is detected by an analysis algorithm, when the fact that the coal preparation plant normally produces the charged coal and the screen surface of the medium removing screen is free of materials is found, an alarm is sent to the KEPServer server 13 immediately, meanwhile, the centralized control system 14 of the coal preparation plant can immediately realize emergency shutdown of equipment of the whole plant according to the alarm signal, accident loss is reduced, a person on duty scheduled by the coal preparation plant can also see fault information through the centralized control upper computer 15, and the working principle of the intelligent identification device for gangue bottom flow port blockage of the three-product cyclone is adopted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a three-product swirler waste rock underflow opening blocks up intelligent recognition device which characterized in that includes:
the device comprises a first-section cyclone (1), wherein a raw coal feeding hole (2) is formed in one side of the first-section cyclone (1), and a clean coal discharging hole (3) is formed in the other side of the first-section cyclone (1);
the secondary cyclone (5) is arranged on one side below the primary cyclone (1), a blanking connector (4) is arranged at the joint of the secondary cyclone (5) and the primary cyclone (1), a middlings discharge hole (6) is arranged on one side below the secondary cyclone (5), and a gangue discharge hole (7) is arranged on one side outside the secondary cyclone (5);
the medium removing sieve body (8) is respectively arranged below the clean coal discharge port (3), the middlings discharge port (6) and the gangue discharge port (7);
the camera (9) is installed at the output end of the medium removing screen body (8), the output end of the camera (9) is connected with an industrial network (10), and the output end of the industrial network (10) is connected with a hard disk video recorder (11);
the system comprises a video analysis server (12) which is installed at the output end of the hard disk video recorder (11), a KEPServer server (13) is installed at the output end of the video analysis server (12), and the output end of the KEPServer server (13) is connected with a centralized control system (14) and a centralized control upper computer (15) respectively.
2. The device for intelligently identifying the blockage of the gangue underflow port of the three-product cyclone as claimed in claim 1, wherein the raw coal feed port (2) and the clean coal discharge port (3) form a communicating structure through the first-stage cyclone (1), and the first-stage cyclone (1) is communicated with the second-stage cyclone (5) through the blanking connecting port (4).
3. The device for intelligently identifying blockage of the gangue underflow port of the three-product cyclone according to claim 1, wherein the two-stage cyclone (5) is communicated with a middlings discharge port (6) and a gangue discharge port (7) respectively.
4. The device for intelligently identifying the blockage of the waste rock underflow port of the three-product cyclone according to claim 1, wherein the medium removing screen body (8) comprises a clean coal medium removing screen, a medium coal medium removing screen and a waste rock medium removing screen.
5. The device for intelligently identifying the blockage of the gangue underflow port of the three-product cyclone separator according to claim 1, wherein the camera (9) is a camera with an infrared light supplementing function, a lens of the camera (9) is inclined downwards, the screen surface of the medium removing screen body (8) occupies an area ratio of not less than 20% in an image of the camera (9), and the frame rate of the camera (9) is fixed at 25 frames per second.
6. The intelligent identification device for the blockage of the gangue underflow port of the three-product cyclone separator as claimed in claim 1, wherein the industrial network (10) comprises a control system, a video monitoring system and a voice broadcasting system, and the industrial network (10), the hard disk video recorder (11) and the video analysis server (12) are connected through a network.
7. The device for intelligently identifying the blockage of the waste rock underflow port of the three-product cyclone according to claim 1, wherein the video analysis server (12) comprises an image analysis module, a historical record storage module and an alarm output module, the alarm output module is connected with the KEPServer server (13) through a network, and the centralized control system (14) is connected with the centralized control upper computer (15) through a network.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222678702.8U CN218531364U (en) | 2022-10-12 | 2022-10-12 | Intelligent identification device for blockage of gangue underflow port of three-product cyclone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222678702.8U CN218531364U (en) | 2022-10-12 | 2022-10-12 | Intelligent identification device for blockage of gangue underflow port of three-product cyclone |
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| CN218531364U true CN218531364U (en) | 2023-02-28 |
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| CN202222678702.8U Active CN218531364U (en) | 2022-10-12 | 2022-10-12 | Intelligent identification device for blockage of gangue underflow port of three-product cyclone |
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| CN (1) | CN218531364U (en) |
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