Intelligent control system for fully-mechanized face dust source tracking, spraying and dust falling

Abstract

The utility model relates to the technical field of coal mining, in particular to an intelligent control system for dust source tracking, spraying and dust falling of a fully-mechanized face, which comprises a main control box, N branch control boxes, N sets of spraying modules, a mouse, a remote control transmitter, a signal amplification device and a power supply, the power supply is electrically connected with the main control box in a wired manner; the main control box is in radio connection with the N branch control boxes, the branch control boxes are in one-to-one correspondence with the spraying modules, and each branch control box is in radio connection with the corresponding spraying module; the mouse and the remote control transmitter are respectively and wirelessly connected with the main control box; and the power supply is electrically connected with the signal amplification device in a wired manner. According to the utility model, accurate dust source tracking can be realized, and the reliability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining, in particular to an intelligent control system for fully mechanized mining face dust source tracking and spray dust reduction. Background Art

[0002] With the increasing mechanization of coal mining, large amounts of dust are generated during mining operations. This dust is carried by airflow across the working face, eventually permeating the entire mining face and downwind chute. When coal dust accumulates to a critical point, it can easily cause major production safety accidents, such as coal dust explosions. Large amounts of floating dust are respirable, posing a significant threat to worker health. Coal dust that settles on production equipment not only accelerates wear but also degrades electrical insulation, potentially causing electrical accidents. Floating coal dust also represents a form of disordered emission loss, resulting in significant economic losses for coal mine production.

[0003] Since the location of dust sources in the fully mechanized mining face will constantly change with the mining operation, the existing dust suppression spray system still has the problem of difficulty in achieving accurate dust source tracking. In addition, during use, due to the harsh operating environment, problems such as smashing, blocking, and congestion will seriously affect the reliability of the equipment.

[0004] Therefore, there is an urgent need for an intelligent control system for fully mechanized mining face dust source tracking and spray dust reduction. Utility Model Content

[0005] (1) Technical issues to be resolved

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides an intelligent control system for dust source tracking and spray dust reduction in fully mechanized mining faces, which solves the technical problems that the existing dust reduction spray system is difficult to achieve accurate dust source tracking and has low reliability.

[0007] (2) Technical solution

[0008] In order to achieve the above-mentioned purpose, the main technical solutions adopted by this utility model include:

[0009] The present invention provides an intelligent control system for fully mechanized mining face dust source tracking and spray dust reduction, comprising:

[0010] Main control box, N sub-control boxes, N sets of spray modules, mouse, remote control transmitter, signal amplifier and power supply;

[0011] The power supply is electrically connected to the main control box by wire; the main control box is respectively connected to the N sub-control boxes by radio, and each sub-control box corresponds to a spray module one by one, and each sub-control box is connected to the corresponding spray module by radio; the mouse and remote control transmitter are respectively connected to the main control box by radio;

[0012] The power supply is electrically connected to the signal amplifying device via a wire.

[0013] Optionally, the signal amplifying device includes: M voltage-stabilized power supplies and M wireless repeaters;

[0014] The voltage-stabilized power supplies correspond to the wireless repeaters one by one; each voltage-stabilized power supply is electrically connected to its corresponding wireless repeater by wire, and each voltage-stabilized power supply is electrically connected to each other by wire.

[0015] Optionally, the N sets of spray modules include:

[0016] N sets of sprinkler heads, main water supply pipeline, main valve, 3N branch water supply pipelines, 3N branch pipeline valves, and clean water tank;

[0017] One end of the main water supply pipeline is connected to the clean water tank, and the other end is connected to all branch water supply pipelines. Each branch water supply pipeline is provided with a branch pipeline valve, and the end of each branch water supply pipeline is connected to a nozzle; the main valve is provided on the main water supply pipeline.

[0018] Optionally, each of the N sets of nozzles includes:

[0019] Pre-spray / drum external spray nozzles, top coal caving / filling spray nozzles, full-section plugging / inter-frame spray nozzles;

[0020] Each nozzle corresponds to a branch water supply pipeline, and each nozzle is fixedly connected to the corresponding branch water supply pipeline.

[0021] Optionally, the pre-spray / external-drum spray nozzle is a fan-shaped flat nozzle nozzle; the top coal caving / filling spray nozzle is a spiral nozzle nozzle; and the full-section blocking / inter-frame spray nozzle is a strip nozzle.

[0022] Optionally, the N sets of spray modules further include:

[0023] spray pumps;

[0024] The spray pump is arranged on the main water supply pipeline between the clean water tank and the main valve.

[0025] Optionally, the N sets of spray modules further include: a primary filter, 3N secondary filters, and 3N tertiary filters;

[0026] The first-stage filter is arranged between the clean water tank and the spray pump on the main water supply pipeline; the 3N second-stage filters are respectively arranged between each nozzle and the branch water supply pipeline; the 3N third-stage filters are respectively arranged on each nozzle.

[0027] Optionally, the specification of the first-stage filter is 50-80 mesh; the specification of the second-stage filter is 80-100 mesh; and the specification of the third-stage filter is 100-150 mesh.

[0028] Optionally, the system further comprises:

[0029] Video camera;

[0030] The video camera is connected to the main control box via radio.

[0031] Optionally, the system further comprises:

[0032] Concentration sensor;

[0033] The concentration sensor is connected to the main control box via wireless communication.

[0034] (3) Beneficial effects

[0035] The beneficial effects of the utility model are: the utility model is an intelligent control system for dust source tracking and spray dust reduction on the fully mechanized mining surface. Since the main control box is connected to N sub-control boxes, each sub-control box is connected to a set of spray modules. Each spray module includes a pre-spray / drum external spray nozzle of a fan-shaped flat nozzle, a top coal caving / filling spray nozzle of a spiral nozzle and a full-section blocking / inter-frame spray nozzle structure of a strip nozzle. Compared with the existing technology, it can realize accurate and reliable dust source tracking and spray dust reduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 This is a schematic diagram of the structure of an intelligent control system for fully mechanized mining face dust source tracking and spray dust reduction according to the present invention;

[0037] Figure 2 The utility model is a schematic diagram of the pipeline structure of an intelligent control system for fully mechanized mining face dust source tracking and spray dust reduction.

[0038] [Description of Reference Numerals]

[0039] 1: Power supply; 2: Main control box; 3: Sub-control box; 4: Wireless repeater; 5: Voltage-stabilized power supply; 6: Remote control transmitter; 7: Mouse; 8: Fresh water tank; 9: Main water supply pipeline; 10: Primary filter; 11: Spray pump; 12: Main valve; 13: Branch water supply pipeline; 14: Spray nozzle. DETAILED DESCRIPTION

[0040] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation methods in conjunction with the accompanying drawings.

[0041] An embodiment of the utility model proposes an intelligent control system for dust source tracking and spray dust suppression in a fully mechanized mining face. A main control box is connected to N sub-control boxes, and each sub-control box is connected to a set of spray modules. Each spray module includes a pre-spray / drum external spray nozzle of a fan-shaped flat nozzle, a top coal caving / filling spray nozzle of a spiral nozzle, and a full-section blocking / inter-frame spray nozzle of a strip nozzle, thereby achieving the technical effect of realizing accurate and reliable dust source tracking and spray dust suppression.

[0042] To better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. Rather, these embodiments are provided to enable a clearer and more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0043] Specific embodiment description part

[0044] Example 1

[0045] See also Figure 1 The intelligent control system for dust source tracking and spray dust reduction in fully mechanized mining face according to the embodiment of the present invention comprises:

[0046] Main control box 2, N sub-control boxes 3, N sets of spray modules, mouse 7, remote control transmitter 6, signal amplifier and power supply 1;

[0047] Wherein, N is a non-zero natural number;

[0048] The power supply 1 is electrically connected to the main control box 2 by wire; the main control box 2 is respectively connected to the N sub-control boxes 3 by radio, the sub-control boxes 3 correspond to the spray modules one by one, and each sub-control box 3 is radio-connected to the corresponding spray module; the mouse 7 and the remote control transmitter 6 are respectively radio-connected to the main control box 2; the power supply 1 is electrically connected to the signal amplification device by wire.

[0049] The wireless connection and wired electrical connection in the embodiment of the present invention are both realized in existing ways, and the present invention does not improve any procedures.

[0050] The electrical equipment in the intelligent control system for dust source tracking and spray dust reduction in the fully mechanized mining face in this embodiment all complies with national standards and has explosion-proof, lightning-proof, waterproof and other characteristics. In addition, all equipment has undergone strict inspection before entering the well and obtained relevant certificates of conformity to further ensure the safety of the system.

[0051] For example, the mouse 7 in this embodiment is a FHS1.5W intrinsically safe mouse for mining, and the remote control transmitter 6 is a FYF30(S) intrinsically safe remote control transmitter for mining.

[0052] In the specific implementation process, the sub-control box 3 is fixed on the hydraulic support of the fully mechanized mining face in the mine. Each hydraulic support is provided with a sub-control box 3. Accordingly, each hydraulic support is provided with a set of spray modules.

[0053] In other words, N is the number of hydraulic supports. Assuming that there are 200 hydraulic supports, there are 200 sub-control boxes 3 and 200 spray modules.

[0054] In this embodiment, the signal amplification device includes: M voltage-stabilized power supplies 5 and M wireless repeaters 4;

[0055] M is a non-zero natural number;

[0056] The stabilized power supplies 5 correspond to the wireless repeaters 4 one by one; each stabilized power supply 5 is electrically connected to its corresponding wireless repeater 4 by wire, and each stabilized power supply 5 is electrically connected to each other by wire.

[0057] In the specific implementation process, the voltage-stabilized power supply 5 is a KDW660 / 24 mining explosion-proof and intrinsically safe DC voltage-stabilized power supply, and the wireless repeater 4 is a KTL14W mining intrinsically safe wireless repeater.

[0058] In this embodiment, the voltage-stabilized power supply 5 supplies power to the wireless repeater 4 , which is fixed on the hydraulic support. A wireless repeater 4 is provided every X hydraulic supports. The value of X is determined according to the specifications of the wireless repeater 4 .

[0059] Assuming that there are 200 hydraulic supports, and the specifications of each wireless repeater 4 can amplify the signals of the sub-control boxes 3 on 5 hydraulic supports, then a wireless repeater 4 is set for every 5 hydraulic supports. At this time, the number of wireless repeaters 4 is 51, and accordingly, the number of voltage-stabilized power supplies 5 is also 51.

[0060] In this embodiment, by providing a signal amplification device used in combination with a voltage-stabilized power supply 5 and a wireless repeater 4, the transmission distance of the wireless signal can be significantly increased, ensuring that the communication between the main control box 2 and the sub-control box 3 is not limited by distance, thereby improving stability and coverage, and ensuring efficient operation of the system and good dust reduction effect.

[0061] In this embodiment, see Figure 2 , N sets of spray modules include:

[0062] N sets of sprinkler heads 14, main water supply pipeline 9, main valve 12, 3N branch water supply pipelines 13, 3N branch pipeline valves, clean water tank 8;

[0063] One end of the main water supply pipeline 9 is connected to the clean water tank 8, and the other end is connected to all branch water supply pipelines 13. Each branch water supply pipeline 13 is provided with a branch pipeline valve, and the end of each branch water supply pipeline 13 is connected to a nozzle 14; the main valve 12 is set on the main water supply pipeline 9.

[0064] In this embodiment, each sub-control box 3 is connected to the main valve 12 of each set of spray modules.

[0065] In this embodiment, among the N sets of nozzles 14, each set of nozzles 14 includes:

[0066] Pre-spray / drum external spray nozzles, top coal caving / filling spray nozzles, full-section plugging / inter-frame spray nozzles;

[0067] Each nozzle 14 corresponds to a branch water supply pipeline 13 , and each nozzle 14 is fixedly connected to the corresponding branch water supply pipeline 13 .

[0068] The pre-spray / drum external spray nozzle is a fan-shaped flat nozzle nozzle; the top coal caving / filling spray nozzle is a spiral nozzle nozzle; the full-section sealing / inter-frame spray nozzle is a strip nozzle.

[0069] In the specific implementation process, the fan-shaped flat nozzle nozzle can provide a larger coverage area and is used for pre-spraying or external spraying of the drum to cover a wider working surface; the spiral nozzle nozzle has a strong penetrating power and is used for top coal caving or filling spraying to ensure that the spray can penetrate into the area where dust reduction is required; the strip nozzle can provide a continuous spray barrier and is used for full-section blocking or inter-frame spraying to form a closed spray barrier to prevent dust from spreading.

[0070] By adopting different types of nozzles 14, the range and effect of the spray can be more accurately controlled according to different requirements, which can improve the reliability and overall performance of the intelligent control system for dust source tracking and spray dust reduction in the fully mechanized mining face.

[0071] In this embodiment, the N sets of spray modules further include:

[0072] Spray pump 11;

[0073] The spray pump 11 is arranged on the main water supply pipeline 9 between the clean water tank 8 and the main valve 12 .

[0074] In this embodiment, the specifications of the spray pump 11 are determined according to the specific requirements of the intelligent control system for dust source tracking and spray dust reduction in the fully mechanized mining face.

[0075] For example, when the total flow rate of all nozzles 14 working simultaneously is 20 L / min, the flow rate of the spray pump 11 should be greater than or equal to 20 L / min. When the working pressure required by the nozzle 14 is 3 MPa, the working pressure of the spray pump 11 should be at least 3 MPa.

[0076] By setting up the spray pump 11, the pressure of the clean water in the water supply pipeline can be increased, ensuring that the water flow can be smoothly transported to each nozzle 14 through the main water supply pipeline 9 and the branch water supply pipeline 13, providing sufficient pressure so that the nozzle 14 can spray the required atomization effect.

[0077] In this embodiment, the N sets of spray modules further include: a primary filter 10, 3N secondary filters and 3N tertiary filters;

[0078] The primary filter 10 is arranged between the clean water tank 8 and the spray pump 11 on the main water supply pipeline 9; 3N secondary filters are respectively arranged between each nozzle 14 and the branch water supply pipeline 13; 3N tertiary filters are respectively arranged on each nozzle 14.

[0079] In this embodiment, the specification of the first-stage filter 10 is 50-80 meshes; the specification of the second-stage filter is 80-100 meshes; and the specification of the third-stage filter is 100-150 meshes.

[0080] During the specific implementation process, the first-level filter 10 is located between the clean water tank 8 and the spray pump 11, and is used to remove larger particulate impurities in the water, such as mud, stone chips, etc., to protect the spray pump 11 from damage and extend the life of the equipment; the second-level filter is located between each nozzle 14 and the branch water supply pipe 13, and is used to further remove impurities in the water to ensure the quality of the spray; the third-level filter is located on each nozzle 14, which is the filter layer closest to the spray outlet, and is used to intercept the smallest impurity particles to ensure the spray quality and the smoothness of the nozzle 14.

[0081] In this embodiment, the intelligent control system for fully mechanized mining face dust source tracking spray dust reduction also includes:

[0082] Video camera;

[0083] The video camera is connected to the main control box 2 via radio.

[0084] During the specific implementation process, video cameras can realize remote monitoring, and workers can observe the situation of the work surface without having to go to the site in person, providing more safety protection for workers.

[0085] In this embodiment, the intelligent control system for dust source tracking spray dust reduction also includes:

[0086] Concentration sensor;

[0087] The concentration sensor is connected to the main control box 2 via radio.

[0088] The utility model provides an intelligent control system for fully mechanized mining face dust source tracking and spray dust reduction, which realizes effective control of dust sources, improves dust reduction effects, and also enhances safety and convenience of operation.

[0089] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0090] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0091] In the present invention, unless otherwise expressly specified or limited, when a first feature is “above” or “below” a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above,” “above,” or “above” a second feature, it may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is “below,” “below,” or “below” a second feature, it may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0092] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0093] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. An intelligent control system for fully mechanized mining face dust source tracking spray dust reduction, characterized in that: include: A main control box (2), N sub-control boxes (3), N sets of spray modules, a mouse (7), a remote control transmitter (6), a signal amplifying device, and a power supply (1); The power supply (1) is electrically connected to the main control box (2) via a wired connection; the main control box (2) is respectively connected to the N sub-control boxes (3) via a radio connection, the sub-control boxes (3) correspond to the spray modules one by one, and each sub-control box (3) is connected to the corresponding spray module via a radio connection; the mouse (7) and the remote control transmitter (6) are respectively connected to the main control box (2) via a radio connection; The power supply (1) is electrically connected to the signal amplifying device via a wire; The sub-control box (3) is fixed on the hydraulic support of the fully mechanized mining face in the mine, and each hydraulic support is provided with a sub-control box (3), and each hydraulic support is provided with a set of spray modules; The signal amplifying device comprises: M voltage-stabilized power supplies (5) and M wireless repeaters (4); The voltage-stabilized power supplies (5) correspond to the wireless repeaters (4) one by one; each voltage-stabilized power supply (5) is electrically connected to its corresponding wireless repeater (4) by wire, and each voltage-stabilized power supply (5) is electrically connected to each other by wire; The N sets of spray modules include: a primary filter (10), 3N secondary filters and 3N tertiary filters; The primary filter (10) is arranged between the clean water tank (8) and the spray pump (11) on the main water supply pipeline; the 3N secondary filters are respectively arranged between each nozzle and the branch water supply pipeline (13); and the 3N tertiary filters are respectively arranged on each nozzle.

2. The intelligent control system for dust source tracking and spray dust reduction in fully mechanized mining face according to claim 1 is characterized in that: The N sets of spray modules include: N sets of sprinkler heads (14), a main water supply pipeline (9), a main valve (12), 3N branch water supply pipelines (13), 3N branch pipeline valves, and a clean water tank (8); One end of the main water supply pipeline (9) is connected to the clean water tank (8), and the other end is connected to all branch water supply pipelines (13). Each branch water supply pipeline (13) is provided with a branch pipeline valve, and the end of each branch water supply pipeline (13) is connected to a nozzle (14); the main valve (12) is provided on the main water supply pipeline (9).

3. The intelligent control system for dust source tracking and spray dust reduction in fully mechanized mining face according to claim 2 is characterized in that: Among the N sets of nozzles (14), each set of nozzles (14) comprises: Pre-spray / drum external spray nozzles, top coal caving / filling spray nozzles, full-section plugging / inter-frame spray nozzles; Each nozzle (14) corresponds to a branch water supply pipeline (13), and each nozzle (14) is fixedly connected to the corresponding branch water supply pipeline (13).

4. The intelligent control system for dust source tracking and spray dust reduction in fully mechanized mining face according to claim 3 is characterized in that: The pre-spray / drum outer spray nozzle is a fan-shaped flat nozzle nozzle; the top coal caving / filling spray nozzle is a spiral nozzle nozzle; the full-section blocking / inter-frame spray nozzle is a strip nozzle.

5. The intelligent control system for dust source tracking and spray dust reduction in fully mechanized mining face according to claim 2 is characterized in that: The N sets of spray modules also include: Spray pump (11); The spray pump (11) is arranged on the main water supply pipeline (9) between the clean water tank (8) and the main valve (12).

6. The intelligent control system for dust source tracking and spray dust reduction in fully mechanized mining face according to claim 1 is characterized in that: The specification of the first-stage filter (10) is 50-80 meshes; the specification of the second-stage filter is 80-100 meshes; and the specification of the third-stage filter is 100-150 meshes.

7. The intelligent control system for dust source tracking and spray dust reduction in fully mechanized mining face according to claim 1 is characterized in that: The system further comprises: Video camera; The video camera is connected to the main control box (2) by radio.

8. The intelligent control system for dust source tracking and spray dust reduction in fully mechanized mining face according to claim 1 is characterized in that: The system further comprises: Concentration sensor; The concentration sensor is connected to the main control box (2) via radio.

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