Dust removal apparatus and dust removal method for disc coal instrument

Abstract

This disclosure relates to a dust removal device and method for a coal inventory analyzer. The dust removal device includes a housing, installed on the roof of a coal shed, for housing the coal inventory analyzer. The housing has an opening directly opposite the probe of the coal inventory analyzer; a dustproof component for covering the opening; a limiting component disposed between the housing and the dustproof component, configured to allow the dustproof component to cover or detach from the opening; and a lifting mechanism for raising and lowering the dustproof component. When a certain amount of dust adheres to the dustproof component, the limiting component can detach the dustproof component from the opening, and the lifting mechanism can lower the dust-covered dustproof component. The lifting mechanism can then transport a clean dustproof component to the opening, and the limiting component can then cover the opening with the dustproof component. By replacing the dustproof component, a clearer field of view for the probe is ensured, thereby guaranteeing the accuracy of the data measured by the probe. This solution eliminates the need for workers to climb, ensuring worker safety. Furthermore, it eliminates the need for high-pressure water jet washing of the probe, preventing probe damage.

Description

Technical Field

[0001] This disclosure relates to the field of coal counting instruments, and more specifically, to a dust removal device and method for a coal counting instrument. Background Technology

[0002] Coal counting instruments are suitable for industries such as power, coal, steel, petrochemicals, and metallurgy. They are fixed on a walkway more than 30 meters above the ground to measure the volume and weight of coal piles below. After prolonged use, dust accumulates on the probe, leading to inaccurate data. To ensure the effectiveness of the instrument, workers need to clean the probe regularly.

[0003] Therefore, in related technologies, the first method involves workers climbing onto a walkway to disassemble the coal panning device, facilitating the removal of dust from its probe. This method of climbing at height carries a high risk to the workers. The second method involves laying water pipes and adding a pressurization device, allowing workers to spray high-pressure water onto the probe from the ground to wash away the dust adhering to its surface. After washing, the water droplets adhering to the probe's surface easily mix with dust in the air to form hard grime, which is difficult to clean and can easily damage the probe's lens. Summary of the Invention

[0004] The purpose of this disclosure is to provide a dust removal device and method for a coal panning apparatus, so as to at least partially solve the problems existing in the related art.

[0005] To achieve the above objectives, this disclosure provides a dust removal device for a coal panning instrument, comprising: A housing is provided on the roof of the coal shed and is used to house the coal counting instrument. The housing has an opening that faces the probe of the coal counting instrument. A dustproof component, used to cover the opening; A limiting component is disposed between the housing and the dustproof component, the limiting component being configured to allow the dustproof component to cover or disengage from the opening; and A lifting mechanism is used to lift the dustproof component.

[0006] Optionally, the limiting component is configured to cause the dust cover to cover or detach from the opening by switching power on or off.

[0007] Optionally, the limiting component includes an electromagnet and a magnet that magnetically engages with the electromagnet. The magnet is connected to one of the housing and the dustproof component, and the electromagnet is connected to the other of the housing and the dustproof component. The configuration is such that when the electromagnet is energized with a first current, the electromagnet and the magnet repel each other, and when the electromagnet is energized with a second current or de-energized, the electromagnet and the magnet attract each other. The second current is in the opposite direction to the first current.

[0008] Optionally, when the electromagnet is de-energized, the electromagnet attracts the magnet.

[0009] Optionally, the electromagnet is connected to the housing, and the magnet is connected to the dustproof component.

[0010] Optionally, there are multiple magnets, which are spaced apart circumferentially on the dustproof component, and there are multiple electromagnets, which are arranged in one-to-one correspondence with the multiple magnets.

[0011] Optionally, the opening is provided with a circumferential seal, the seal being configured to be compressed when the dust cover is placed over the opening.

[0012] Optionally, the lifting mechanism includes a lifting component and a parachute. The lifting component is used to drive the dustproof component to rise to cover the opening. The parachute is installed on the dustproof component. The bottom of the dustproof component is provided with an air inlet communicating with the parachute, so that when the dustproof component leaves the opening and descends, the parachute is opened by the wind entering through the air inlet.

[0013] Optionally, the lifting assembly includes a drone with a tray mounted on it for holding the dustproof component.

[0014] Optionally, the dustproof component includes a plate and a receiving cavity formed at the edge of the plate. The plate is used to cover the opening, and a lens corresponding to the position of the opening is provided on the plate. The parachute is disposed in the receiving cavity, which is configured to be located outside the housing when the dustproof component covers the opening.

[0015] Optionally, the opening is located on the bottom side of the housing away from the roof.

[0016] According to a second aspect of the present disclosure, a dust removal method for a coal inventory meter is provided, wherein the coal inventory meter is dusted using a dust removal device for the coal inventory meter as described in any of the above embodiments, and the dust removal method for the coal inventory meter includes: The dustproof component is detached from the housing, and the lifting mechanism lowers the dustproof component, which is covered in dust. The lifting mechanism lifts the clean dustproof component to the opening, and the limiting component covers the dustproof component in the opening.

[0017] The technical solutions provided by the embodiments of this disclosure may include the following beneficial effects: When a certain amount of dust accumulates on the dustproof component, the limiting component detaches it from the opening. The lifting mechanism then lowers the dust-covered component, allowing a clean dustproof component to be transported to the opening, where the limiting component closes the dustproof component. Replacing the dustproof component ensures the probe has a clear field of view, thus guaranteeing the accuracy of the measured data. This solution eliminates the need for workers to climb, ensuring their safety. Furthermore, it eliminates the need for high-pressure water jets to clean the probe, preventing damage.

[0018] Other features and advantages of this disclosure will be described in detail in the following detailed description section. Attached Figure Description

[0019] The accompanying drawings are provided to further illustrate the present disclosure and form part of the specification. They are used together with the following detailed description to explain the present disclosure, but do not constitute a limitation thereof. In the drawings: Figure 1 This is an exploded view of a dust removal device for a coal panning apparatus according to an exemplary embodiment of the present disclosure.

[0020] Figure 2 This is an exploded view from another perspective of a dust removal device for a coal panning apparatus, according to an exemplary embodiment of the present disclosure.

[0021] Figure 3 This is a flowchart illustrating a dust removal method for a coal panning instrument according to an exemplary embodiment of the present disclosure.

[0022] Explanation of reference numerals in the attached figures 10. Coal meter; 100. Shell; 110. Opening; 200. Dustproof component; 210. Air inlet; 220. Lens; 230. Plate; 240. Receiving cavity; 300. Lifting mechanism; 310. Lifting assembly; 311. Unmanned aerial vehicle (UAV); 312. Tray; 320. Parachute; 400. Limiting assembly; 410. Electromagnet; 420. Magnet; 500. Sealing component. Detailed Implementation

[0023] The specific embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit this disclosure.

[0024] In this disclosure, unless otherwise stated, directional terms such as "upper" and "lower" are used for ease of description based on the drawing orientation of the corresponding figures, while "inner" and "outer" are defined based on the contour of the corresponding component itself. Terms such as "first" and "second" used in this disclosure are used to distinguish one element from another and do not have sequential or importance. Furthermore, when the following description refers to the figures, unless otherwise indicated, the same numbers in different figures represent the same or similar elements.

[0025] Coal inventory analyzers are used in the coal industry to measure the volume and weight of coal piles. They are connected to the roof of the coal shed via a walkway. Because of the high dust levels inside the coal shed, the probe of the coal inventory analyzer accumulates a lot of dust after prolonged use, affecting its visibility. Furthermore, cleaning the coal inventory analyzer poses a high risk to workers and can easily damage the probe.

[0026] Therefore, this disclosure provides a dust removal device for a coal panning instrument to reduce the risk to workers during the cleaning process and prevent damage to the probe. Please refer to... Figure 1 and Figure 2 The dust removal equipment may include a housing 100, a dustproof component 200, a limiting component 400, and a lifting mechanism 300. The housing 100 may be installed on the roof of a coal shed (not shown in the figure) and may house a coal inventory meter 10. The housing 100 may have an opening 110 directly facing the probe of the coal inventory meter 10. The housing 100 prevents the coal inventory meter 10 from directly contacting external dust. The coal inventory meter 10 is prior art and will not be described in detail here. The dustproof component 200 may be used to cover the opening 110. The beam of light emitted by the probe passes through the dustproof component 200 and illuminates the coal pile below it to measure various parameters of the coal pile. The dustproof component 200 prevents dust from entering the housing 100 through the opening 110 and contacting the probe of the coal inventory meter 10. The limiting component 400 may be disposed between the housing 100 and the dustproof component 200, and the limiting component 400 may be configured to allow the dustproof component 200 to cover or detach from the opening 110. The lifting mechanism 300 can be used to lift the dustproof component 200.

[0027] Understandably, when a certain amount of dust adheres to the dustproof component 200, the limiting component 400 can detach the dustproof component 200 from the opening 110. The lifting mechanism 300 can then lower the dustproof component 200, allowing manual cleaning. The lifting mechanism 300 can then raise the clean dustproof component 200 back to the opening 110, where the limiting component 400 can cover the opening 110. Replacing the dustproof component 200 ensures the probe has a clearer field of view, thus guaranteeing the accuracy of the data measured by the probe. This solution eliminates the need for workers to climb, ensuring worker safety. Furthermore, it eliminates the need for high-pressure water jet cleaning of the probe, preventing damage.

[0028] In this embodiment, please refer to Figure 1 The limiting component 400 can be configured to allow the dustproof component 200 to cover or detach from the opening 110 by switching the power on and off. Workers can indirectly control whether the dustproof component 200 covers the opening 110 by controlling the power on and off of the limiting component 400; this control method is relatively simple and convenient. For example, when the limiting component 400 is energized, the dustproof component 200 can cover the opening, and when the limiting component 400 is de-energized, the dustproof component 200 can detach from the opening; or, when the limiting component 400 is de-energized, the dustproof component 200 can cover the opening, and when the limiting component 400 is energized, the dustproof component 200 can detach from the opening.

[0029] In one implementation, please refer to Figure 1 and Figure 2 The limiting component 400 may include an electromagnet 410 and a magnet 420 that magnetically engages with the electromagnet 410. The magnet 420 may be connected to one of the housing 100 and the dustproof component 200, and the electromagnet 410 may be connected to the other of the housing 100 and the dustproof component 200. It may be configured such that when a first current is applied to the electromagnet 410, the electromagnet 410 repels the magnet 420, causing the dustproof component 200 to detach from the opening 110, allowing the lifting mechanism 300 to lower the dust-covered dustproof component 200 to the ground. When the lifting mechanism 300 raises the clean dustproof component 200 to the opening 110, the electromagnet 410 is either powered on with a second current or de-energized, allowing the electromagnet 410 to attract the magnet 420. The second current may be in the opposite direction to the first current. At this time, the clean dustproof component 200 can cover the opening 110, preventing external dust from entering the housing 100 through the opening 110 and contaminating the probe. Meanwhile, by replacing the dustproof component 200, the probe of the coal panning instrument 10 can obtain a clearer field of view. The electromagnet 410 has a relatively simple structure and occupies a small volume. Workers can easily control the connection between the dustproof component 200 and the housing 100 by controlling the state of the electromagnet 420.

[0030] In another embodiment, the limiting component 400 can be an electric gripper. When the electric gripper is energized, it covers the dustproof component 200 in the opening 110. When the electric gripper is de-energized, it releases its grip on the dustproof component 200, and the dustproof component 200 is removed from the opening 110.

[0031] In one implementation, please refer to Figure 1 When the electromagnet 410 is de-energized, it can attract the magnet 420. Because there is no need to control the direction of the current to change the direction of the magnetic field of the electromagnet 410, there is no need to set up a current reversing device, thus saving manufacturing costs for the dust removal equipment.

[0032] Understandably, please refer to Figure 1 and Figure 2 The magnet 420 has its N pole (north pole) on the side closest to the electromagnet 410, and its S pole (south pole) on the other side. When a certain amount of dust adheres to the dustproof part 200, the electromagnet 410 is energized with the first current. At this time, the electromagnet 410 has its N pole on the side closest to the magnet 420, and its S pole on the other side. The electromagnet 410 and the magnet 420 have the same polarity and repel each other, thus causing the dustproof part 200 to detach from the opening 110. When the lifting mechanism 300 transports the clean dustproof part 200 to the opening 110, the worker controls the electromagnet 410 to be de-energized. At this time, the electromagnet 410 is equivalent to a piece of ordinary iron. The iron is magnetized under the magnetic force of the magnet 420, so that the iron and the magnet 420 can attract each other, thus allowing the clean dustproof part 200 to cover the opening 110.

[0033] Furthermore, magnet 420 can be a neodymium magnet. Compared with ordinary magnets, neodymium magnets have a higher magnetic energy product and stronger magnetic force, which can quickly magnetize electromagnet 410 when it is de-energized, thereby increasing the attraction speed between electromagnet 410 and magnet 420.

[0034] In another embodiment, when the electromagnet 410 is energized with a second current, it can attract the magnet 420. At this time, the electromagnet 410 and the magnet 420 have opposite polarities, and their magnetic fields can be superimposed to generate a stronger magnetic field. Therefore, their magnetic attraction is greater, increasing the closing speed of the dustproof component 200 on the opening 110. This, in turn, increases the replacement speed of the dustproof component 200.

[0035] For example, please see Figure 1 and Figure 2 The magnet 420 has its N pole (north pole) on the side closest to the electromagnet 410, and its S pole (south pole) on the other side. When the dustproof part 200 with dust accumulation needs to be replaced, the electromagnet 410 is energized with a first current. At this time, the electromagnet 410 has its N pole on the side closest to the magnet 420 and its S pole on the other side. The electromagnet 410 and the magnet 420 have the same polarity, and the dustproof part 200 detaches from the opening 110. When the lifting mechanism 300 moves the clean dustproof part 200 to the opening 110, the electromagnet 410 is energized with a second current. At this time, the electromagnet 410 has its S pole on the side closest to the magnet 420 and its N pole on the other side. The electromagnet 410 and the magnet 420 have opposite polarities, and the dustproof part 200 covers the opening 110.

[0036] In one implementation, please refer to Figure 1 The electromagnet 410 can be connected to the housing 100. For example, the electromagnet 410 can be disposed at the edge of the opening 110. See also Figure 2Magnet 420 can be connected to dustproof component 200. Electromagnet 410 requires power supply, current conversion and other structures to realize the switching on and off of power and the change of magnetic field direction. Compared with the weight of the magnet, the weight of magnet 420 can be reduced by installing magnet 420 on dustproof component 200 to reduce the weight burden of lifting mechanism 300 to lift dustproof component 200.

[0037] In this embodiment, please refer to Figure 2 The number of magnets 420 can be multiple, and they can be spaced circumferentially apart on the dustproof component 200. Please refer to... Figure 1 The number of electromagnets 410 can be multiple, and they can be configured one-to-one with multiple magnets 420. For example, the number of magnets 420 and electromagnets 410 can be three, four, or more, without specific limitations. By setting multiple magnets 420 and multiple electromagnets 410, the stability of the connection between the dustproof component 200 and the housing 100 can be improved, and the alignment accuracy between the dustproof component 200 and the housing 100 can be improved. At the same time, the speed of separation and closing of the dustproof component 200 and the housing 100 can be improved, thereby increasing the replacement speed of the dustproof component 200.

[0038] In one implementation, please refer to Figure 1 A seal 500 may be provided circumferentially around the opening 110. The seal 500 may be configured to be compressed when the dust cover 200 is placed over the opening 110. This prevents dust from entering the housing 100 through the gap between the opening 110 and the dust cover 200 and contaminating the probe. The seal 500 may be a foam sealing strip or a sealing ring, etc.

[0039] In one implementation, please refer to Figure 1 and Figure 2 The lifting mechanism 300 may include a lifting component 310 and a parachute 320. The lifting component 310 can be used to drive the dustproof component 200 to rise to cover the opening 110. The parachute 320 can be installed on the dustproof component 200. The bottom of the dustproof component 200 may be provided with an air inlet 210 communicating with the parachute 320, so that when the dustproof component 200 detaches from the opening 110 and falls, the parachute 320 is opened by the air entering through the air inlet 210. By setting the parachute 320, the dustproof component 200 can automatically fall to the ground after detaching from the opening 110, avoiding damage to the dustproof component 200 and ensuring that the dustproof component 200 can be recycled.

[0040] Further, please refer to Figure 2 There are two parachutes 320, which are installed on both sides of the dustproof component 200 to ensure that both sides of the dustproof component 200 can land simultaneously. At the same time, if one of the two parachutes 320 fails to open due to an accident, the other parachute can still ensure that the dustproof component 200 can land on the ground, thus improving the stability and reliability of the landing of the dustproof component 200.

[0041] In one implementation, please refer to Figure 2 The lifting assembly 310 may include a drone 311, on which a tray 312 may be mounted. The tray 312 can be used to hold the dustproof component 200. The drone 311 may be detachably connected to the tray 312. For example, the tray 312 may have mounting holes, and the bottom of the drone 311 may have mounting forks whose legs extend into the mounting holes to lift the tray 312. By setting the tray 312, the drone 311 can transport the dustproof component 200 to the opening 110. Once the dustproof component 200 is closed with the opening 110, the drone 311 pulls the tray 312 back to the ground.

[0042] Furthermore, the drone 311 is equipped with a camera, and workers can receive the data collected by the camera through a smart terminal, which makes it easier for workers to adjust the position of the dustproof component 200 in a timely manner so that the dustproof component 200 is facing the opening 110.

[0043] Of course, in other embodiments, the dustproof component 200 does not need to be equipped with a parachute 320, and the worker can take off and land the dustproof component 200 by operating a drone 311.

[0044] In one implementation, please refer to Figure 2 The dustproof component 200 may include a plate 230 and a receiving cavity 240 formed at the edge of the plate 230. The plate 230 can be used to cover the opening 110, and a lens 220 corresponding to the position of the opening 110 can be provided on the plate 230. The beam of light emitted by the probe passes through the lens 220 and illuminates the coal pile below it to measure various parameters of the coal pile. A parachute 320 can be disposed in the receiving cavity 240. Specifically, the parachute 320 is rolled up inside the receiving cavity 240 before it is activated. An air inlet 210 can be formed on the bottom wall of the receiving cavity 240. When the dustproof component 200 is detached from the opening 110, air can enter the receiving cavity 240 through the air inlet 210, causing the parachute 320 to open. There can be multiple air inlets 210, which are spaced apart on the bottom wall of the receiving cavity 240.

[0045] In this embodiment, please refer to Figure 2 The accommodating cavity 240 can be configured to be located outside the housing 100 when the dustproof component 200 is closed over the opening 110. By providing the accommodating cavity 240, it is possible to prevent the parachute 320 from accidentally colliding with the housing 100 during the process of the dustproof component 200 closing the opening 110, which could lead to damage to the parachute 320.

[0046] In one implementation, please refer to Figure 1The opening 110 can be located on the bottom side of the housing 100, away from the roof. This ensures that the beam emitted by the probe can fall more on the coal pile below, allowing the coal meter 10 to accurately measure various data of the coal pile. The bottom location of the opening 110 also facilitates the installation and alignment of the dustproof component 200.

[0047] Please see Figures 1 to 3 According to a second aspect of the present disclosure, a dust removal method for a coal inventory device is provided. The coal inventory device 10 can be dusted using the dust removal equipment of any of the above embodiments. The dust removal method for the coal inventory device 10 may include: In step S910, the dustproof component 200 is separated from the housing 100. The lifting mechanism 300 can drive the dustproof component 200 with dust attached to it to descend. The removed dustproof component 200 can be cleaned manually.

[0048] In step S930, the lifting mechanism 300 can raise the clean dustproof component 200 to the opening 110, and the limiting component 400 can cover the dustproof component 200 in the opening 110. The dust removal method of the coal inventory device 10 can have all the beneficial effects of the dust removal equipment of the coal inventory device described above, and will not be repeated here.

[0049] The preferred embodiments of this disclosure have been described in detail above with reference to the accompanying drawings. However, this disclosure is not limited to the specific details of the above embodiments. Within the scope of the technical concept of this disclosure, various simple modifications can be made to the technical solutions of this disclosure, and these simple modifications all fall within the protection scope of this disclosure.

[0050] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, this disclosure will not describe the various possible combinations separately.

[0051] Furthermore, various different embodiments of this disclosure can be combined in any way, as long as they do not violate the spirit of this disclosure, they should also be regarded as the content disclosed in this disclosure.

Claims

1. A dust removal device for a coal counting instrument, characterized in that, include: A housing is provided on the roof of a coal shed and is used to house the coal counting instrument. The housing has an opening that faces the probe of the coal counting instrument and is located on the bottom side of the housing away from the roof. A dustproof component, used to cover the opening; A limiting component is disposed between the housing and the dustproof component. The limiting component is configured to allow the dustproof component to cover or detach from the opening. The limiting component includes an electromagnet and a magnet that magnetically engages with the electromagnet. The magnet is connected to one of the housing and the dustproof component, and the electromagnet is connected to the other of the housing and the dustproof component. The electromagnet is configured such that: when a first current flows through the electromagnet, the electromagnet and the magnet repel each other; when a second current flows through the electromagnet or the power is cut off, the electromagnet and the magnet attract each other. The second current is in the opposite direction to the first current. A lifting mechanism is used to drive the dustproof component to rise and fall. The lifting mechanism includes a lifting component and a parachute. The lifting component is used to drive the dustproof component to rise to cover the opening. The lifting component includes a drone. The drone is equipped with a tray for placing the dustproof component. The parachute is installed on the dustproof component. The bottom of the dustproof component is provided with an air inlet communicating with the parachute so that when the dustproof component leaves the opening and falls, the parachute is opened by the air entering through the air inlet.

2. The dust removal equipment for the coal counting device according to claim 1, characterized in that, When the electromagnet is de-energized, the electromagnet attracts the magnet.

3. The dust removal equipment for the coal counting device according to claim 1, characterized in that, The electromagnet is connected to the housing, and the magnet is connected to the dustproof component.

4. The dust removal equipment for the coal counting device according to claim 3, characterized in that, The number of magnets is multiple and they are arranged at circumferential intervals on the dustproof component. The number of electromagnets is also multiple and they are arranged in one-to-one correspondence with the multiple magnets.

5. The dust removal equipment for the coal counting device according to claim 1, characterized in that, The opening is circumferentially provided with a seal, which is configured to be squeezed when the dust cover is placed over the opening.

6. The dust removal equipment for the coal counting instrument according to claim 1, characterized in that, The dustproof component includes a plate and a receiving cavity formed at the edge of the plate. The plate is used to cover the opening, and a lens corresponding to the position of the opening is provided on the plate. The parachute is disposed in the receiving cavity, which is configured to be located outside the housing when the dustproof component covers the opening.

7. A dust removal method for a coal counting device, characterized in that, The dust removal device of the coal counting instrument according to any one of claims 1-6 is used to remove dust from the coal counting instrument, and the dust removal method of the coal counting instrument includes: The dustproof component is detached from the housing, and the lifting mechanism lowers the dustproof component, which is covered in dust. The lifting mechanism lifts the clean dustproof component to the opening, and the limiting component covers the dustproof component in the opening.

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