Mining cyclone type orifice dust removal and automatic slag discharge device

Abstract

The utility model relates to the technical field of mine dust removal, in particular to a mining cyclone type orifice dust removal and automatic slag discharging device. The mining cyclone type orifice dust removal and automatic slag discharge device comprises a dust conveying pipe and a separation mechanism, the end, away from the separation mechanism, of the dust conveying pipe is connected with a dust collection cover, the dust collection cover is provided with a lower port, the lower port is connected with a slag conveying pipe, the lower end of the slag conveying pipe is connected with a slag discharge box, and the bottom wall of the slag discharge box is an inclined plane which is obliquely arranged. The slag discharging box comprises a slag discharging side wall, the lower end of the slag discharging side wall corresponds to the lower end of the bottom wall, and the upper end of the slag discharging side wall is hinged to the slag discharging box so that the lower end of the slag discharging side wall can rotate along the hinged end under the gravity effect of coal slag sliding to the lowest end along the bottom wall. When the mining cyclone type orifice dust removal and automatic slag discharging device is used, slag is automatically discharged through the slag discharging box, so that the amount of large-particle coal slag entering the dust conveying pipe is reduced, and the accident that the dust conveying pipe is blocked by the large-particle coal slag is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mine dust removal, in particular to a mine cyclone-type orifice dust removal and automatic slag unloading device. Background Art

[0002] Currently, the primary approach to controlling dust in underground mines is a comprehensive dust control method based on air and water. This involves using water to wet and capture dust particles, while also using airflow to expel them from the mine. Mine dust control measures can be generally categorized into four main categories based on their specific function: dust reduction measures, dust suppression measures, ventilation and dust removal, and personal protection.

[0003] In mine operations, the most proactive and effective technical measures for preventing and controlling dust hazards are to implement various technical measures to reduce dust generation during mining operations. These measures primarily include improving the structure and operating parameters of mining machinery, wet drilling, water-sealed blasting, water-cannon-mud blasting, dust source sealing, dust hoods, and pre-wetting the coal mass.

[0004] The patent application document with publication number CN117167072A discloses a mining cyclone-type orifice dust removal device. When in use, the mining cyclone-type orifice dust removal device collects and removes coal slag through a primary slag box and a secondary slag box, but some larger particles of coal slag are easily accumulated in the pipeline and block the pipeline. Utility Model Content

[0005] The utility model provides a cyclone-type orifice dust removal and automatic slag unloading device for mining, which solves the technical problem of large-particle coal slag blocking pipelines in the existing dust removal.

[0006] In order to solve the above problems, the utility model provides a mining cyclone-type orifice dust removal and automatic slag unloading device adopts the following technical solutions:

[0007] A mining cyclone-type orifice dust removal and automatic slag unloading device includes a dust conveying pipe and a separation mechanism, wherein the dust conveying pipe is connected to a dust collecting hood at one end away from the separation mechanism, and the dust collecting hood is provided with an upper port, a lower port and a front port, the upper port is connected to the dust conveying pipe, and the front port is connected to a water expansion sleeve, which is arranged at the drill hole to collect coal slag, rock slag, dust and gas generated by the drilling operation, the lower port is connected to the slag conveying pipe, and the lower end of the slag conveying pipe is connected to a slag unloading box, the bottom wall of the slag unloading box is an inclined surface arranged obliquely, and the slag unloading box includes a slag unloading side wall, the lower end of the slag unloading side wall is arranged corresponding to the lower end of the bottom wall, and the upper end of the slag unloading side wall is hinged to the slag unloading box so that the lower end of the slag unloading side wall rotates along the hinged end under the action of the gravity of the coal slag that slides to the lower end along the bottom wall.

[0008] The beneficial effect is as follows: when the utility model is used, the cyclone-type orifice dust removal and automatic slag unloading device for mining first transports the coal slag, rock slag, dust and gas into the dust collecting hood through the water expansion sleeve, and then the large particles of coal slag are transported to the slag unloading box along the slag conveying pipe under the action of gravity, and then the coal slag slides downward along the bottom wall, and when there is enough coal slag, the slag unloading side wall can be opened under the action of gravity, thereby realizing the automatic unloading of the coal slag, and the large particles of coal slag can be continuously unloaded without the constant supervision of the staff, thereby preventing the coal slag from clogging the pipeline. When the utility model is used, the cyclone-type orifice dust removal and automatic slag unloading device for mining automatically unloads the slag through the slag unloading box, thereby reducing the amount of large particles of coal slag entering the dust conveying pipe, thereby reducing the occurrence of accidents caused by large particles of coal slag clogging the dust conveying pipe.

[0009] Furthermore, the slag discharge box includes a fixed plate arranged at the upper end of the slag discharge side wall, and the slag discharge side wall and the fixed plate are hinged together by a hinge.

[0010] Beneficial effects: simple structure and easy connection.

[0011] Furthermore, a gas extraction port is provided on the upper side wall of the slag unloading box.

[0012] Beneficial effect: timely discharge of gas to avoid excessive pressure in the slag box.

[0013] Furthermore, the separation mechanism includes a primary separation mechanism, a secondary separation mechanism and a connecting pipe for connecting the primary separation mechanism and the secondary separation mechanism. The primary separation mechanism is arranged at one end of the dust conveying pipe away from the dust collecting hood to separate large particles of coal, rock slag and gas, and the discharge end of the primary separation mechanism is connected to a primary slag box; the secondary separation mechanism is arranged at the discharge end of the primary separation mechanism to separate dust and gas, and the discharge end of the secondary separation mechanism is connected to a secondary slag box.

[0014] Beneficial effects: Improve separation efficiency and avoid large particles of coal and rock slag clogging the connecting pipe.

[0015] Furthermore: the dust conveying pipe is also provided with an ejector nozzle, which is used to eject the airflow toward the primary separation mechanism into the dust conveying pipe to form a negative pressure in the dust conveying pipe.

[0016] Beneficial effects: The structure is simple, and it is convenient for coal slag, rock slag, dust and gas to enter the primary separation mechanism.

[0017] Further: the first-level separation mechanism includes two first-level cyclone separators, and the second-level separation mechanism includes a second-level cyclone separator; the feed ends of the two first-level cyclone separators are connected to the dust conveying pipe, the discharge ends of the two first-level cyclone separators are connected to the first-level slag collecting box, and the air outlet ends of the two first-level cyclone separators are connected to the connecting pipe.

[0018] Beneficial effects: Improve separation efficiency and avoid large particles of coal and rock slag clogging the connecting pipe.

[0019] Furthermore, a pull-out drawer is installed in the first-stage slag collecting box, and the inner cavity of the drawer is communicated with the discharge ends of the two first-stage cyclone separators.

[0020] Beneficial effect: It is convenient for workers to clean up large particles of coal and rock slag in time.

[0021] Furthermore, the drawer is provided with a handle.

[0022] Beneficial effect: It is convenient for staff to pull out the drawer. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and other objects, features and advantages of the exemplary embodiments of the present invention will become readily understood by reading the detailed description below with reference to the accompanying drawings. In the accompanying drawings, several embodiments of the present invention are shown in an exemplary and non-limiting manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:

[0024] Figure 1 This is a schematic structural diagram of a mining cyclone-type orifice dust removal and automatic slag unloading device according to the present invention;

[0025] Figure 2 This is a cross-sectional view of a mining cyclone-type orifice dust removal and automatic slag unloading device according to the utility model;

[0026] Figure 3 The utility model is a schematic diagram of the working process of a mining cyclone-type orifice dust removal and automatic slag unloading device.

[0027] Description of reference numerals:

[0028] 1. Dust conveying pipe; 2. Dust collecting hood; 3. Secondary cyclone separator; 4. Water expansion sleeve; 5. Slag conveying pipe; 6. Slag discharge box; 7. Bottom wall; 8. Slag discharge side wall; 9. Fixed plate; 10. Hinge; 11. Gas extraction port; 12. Connecting pipe; 13. First-stage slag collecting box; 14. Second-stage slag collecting box; 15. Injection nozzle; 16. First-stage cyclone separator; 17. Base. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Those skilled in the art should know that the embodiments described below are part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0030] After introducing the basic principles of the present invention, various non-limiting embodiments of the present invention are described in detail below. The numbers of any elements in the drawings are for illustration only and not for limitation, and any names are for distinction only and do not have any limiting meaning.

[0031] The principle and spirit of the present invention are explained in detail below with reference to several representative embodiments of the present invention.

[0032] Example 1 of a mining cyclone-type orifice dust removal and automatic slag unloading device provided by the utility model:

[0033] like Figures 1 to 3 As shown, a mining cyclone-type orifice dust removal and automatic slag unloading device of the present invention includes a dust conveying pipe 1 and a separation mechanism.

[0034] One end of the dust conveying pipe 1 is connected to a dust collecting hood 2, and the dust collecting hood 2 is provided with an upper port, a lower port and a front port.

[0035] The upper port is connected to the dust conveying pipe 1.

[0036] The front port is connected to a water expansion sleeve 4, which is arranged at the drill hole to collect coal slag, rock slag, dust and gas generated by the drilling operation.

[0037] The lower end is connected to a slag conveying pipe 5, the lower end of which is connected to a slag discharge box 6. The bottom wall 7 of the slag discharge box 6 is a slope arranged downward from front to back. A gas extraction port 11 is provided on the upper side wall of the slag discharge box 6.

[0038] The slag box 6 includes a fixed plate 9 and a slag side wall 8. The fixed plate 9 and the slag side wall 8 are arranged to be inclined downward from front to back with the same slope. The fixed plate 9 and the slag side wall 8 are hinged together by a hinge 10. The lower end of the slag side wall 8 is in contact with the lower end of the bottom wall 7 to seal the inner cavity of the slag box 6.

[0039] The lower end surface of the slag unloading box 6 is also provided with a base 17, which is a sled-type structure, that is, the base 17 includes two support plates, the front and rear ends of the two support plates are facing opposite directions and are arranged to be tilted upward to facilitate the staff to pull the slag unloading box 6.

[0040] The outer side of the side wall of the slag unloading box 6 is also provided with a lifting handle to facilitate the staff to carry the slag unloading box 6.

[0041] The separation mechanism includes a primary separation mechanism, a secondary separation mechanism and a connecting pipe 12 for connecting the primary separation mechanism and the secondary separation mechanism.

[0042] The first-level separation mechanism is arranged at one end of the dust conveying pipe 1 away from the dust collecting hood 2 to separate large particles of coal, rock slag and gas. The first-level separation mechanism includes a first-level slag box 13 and two first-level cyclone separators 16. The feed ends of the two first-level cyclone separators 16 are both connected to the dust conveying pipe 1, the discharge ends of the two first-level cyclone separators 16 are both connected to the first-level slag box 13, and the air outlet ends of the two first-level cyclone separators 16 are both connected to the connecting pipe 12.

[0043] A pull-out drawer is installed in the primary slag collecting box 13 , the inner cavity of the drawer is communicated with the discharge ends of the two primary cyclone separators 16 , and a handle is provided on the drawer.

[0044] The secondary separation mechanism is arranged at the discharge end of the primary separation mechanism to separate dust and gas. The discharge end of the secondary separation mechanism is connected to a secondary slag collecting box 14. The secondary separation mechanism includes a secondary cyclone separator 3. The feed end of the secondary cyclone separator 3 is connected to the connecting pipe 12.

[0045] In order to facilitate the entry of dust and gas into the separation mechanism, an ejector nozzle 15 is provided on the dust conveying pipe 1 and the connecting pipe 12. The ejector nozzle 15 provided on the dust conveying pipe 1 is used to spray the airflow toward the primary separation mechanism into the dust conveying pipe 1 to form a negative pressure in the dust conveying pipe 1; at the same time, the ejector nozzle 15 provided on the connecting pipe 12 is used to spray the airflow toward the secondary separation mechanism into the connecting pipe 12 to form a negative pressure in the connecting pipe 12.

[0046] When the utility model is used, a cyclone-type orifice dust removal and automatic slag unloading device for mining is firstly transported to the dust collecting hood 2 through the water expansion sleeve 4, and then the large particles of coal slag are transported to the slag unloading box 6 along the slag conveying pipe 5 under the action of gravity. Then the coal slag slides downward along the bottom wall 7, and when there is enough coal slag, the slag unloading side wall 8 can be driven to turn upward around the hinge 10 under the action of gravity, thereby realizing the automatic unloading of coal slag. The large particles of coal slag can be continuously unloaded without the need for staff to watch all the time, thereby preventing the coal slag from clogging the pipeline.

[0047] The utility model discloses a mining cyclone-type orifice dust removal and automatic slag unloading device, which automatically unloads slag through a slag unloading box when in use, thereby reducing the amount of large-particle coal slag entering the dust conveying pipe and further reducing the occurrence of accidents in which the dust conveying pipe is blocked by large-particle coal slag.

[0048] Example 2 of a mining cyclone-type orifice dust removal and automatic slag unloading device provided by the utility model:

[0049] The main difference between it and Example 1 is that: in Example 1, the slag discharge box includes a fixed plate arranged at the upper end of the slag discharge side wall, and the slag discharge side wall and the fixed plate are hinged together by hinges.

[0050] In this embodiment, the fixing plates are hinged together via a ball joint.

[0051] According to the above description of this specification, those skilled in the art may also understand that the terms used below, such as "up", "down", "front", "back", "left", "right", "width", "horizontal", "top", "bottom", "inside", "outside" and other terms indicating orientation or positional relationships are based on the orientation or positional relationships shown in the drawings of this specification. They are only for the purpose of facilitating the explanation of the scheme of the utility model and simplifying the description, rather than explicitly or implicitly indicating that the devices or elements involved must have the specific orientation, be constructed and operated in a specific orientation. Therefore, the above-mentioned orientation or positional relationship terms cannot be understood or interpreted as limitations on the scheme of the utility model.

[0052] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this profession can make slight changes or modifications to equivalent embodiments of the methods and technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

[0053] In addition, in the description of this specification, “a plurality of” means at least two, for example, two, three or more, etc., unless otherwise clearly and specifically defined.

Claims

1. A mining cyclone-type orifice dust removal and automatic slag unloading device, comprising a dust conveying pipe and a separation mechanism, characterized in that: The dust conveying pipe is connected to a dust collecting hood at one end away from the separation mechanism, and the dust collecting hood is provided with an upper port, a lower port and a front port. The upper port is connected to the dust conveying pipe, and the front port is connected to a water expansion sleeve, which is arranged at the drill hole to collect coal slag, rock slag, dust and gas generated by the drilling operation. The lower port is connected to a slag conveying pipe, and the lower end of the slag conveying pipe is connected to a slag unloading box. The bottom wall of the slag unloading box is an inclined surface arranged at an angle. The slag unloading box includes a slag unloading side wall, and the lower end of the slag unloading side wall is arranged corresponding to the lower end of the bottom wall. The upper end of the slag unloading side wall is hinged to the slag unloading box so that the lower end of the slag unloading side wall rotates along the hinged end under the action of the gravity of the coal slag sliding to the lower end along the bottom wall.

2. A mining cyclone-type orifice dust removal and automatic slag unloading device according to claim 1, characterized in that: The slag discharge box comprises a fixed plate arranged at the upper end of the slag discharge side wall, and the slag discharge side wall and the fixed plate are hinged together through hinges.

3. A mining cyclone-type orifice dust removal and automatic slag unloading device according to claim 1, characterized in that: A gas extraction port is also provided on the upper side wall of the slag unloading box.

4. A mining cyclone-type orifice dust removal and automatic slag unloading device according to any one of claims 1 to 3, characterized in that: The separation mechanism includes a primary separation mechanism, a secondary separation mechanism, and a connecting pipe for connecting the primary separation mechanism and the secondary separation mechanism. The primary separation mechanism is arranged at one end of the dust conveying pipe away from the dust collecting hood to separate large particles of coal, rock slag and gas. The discharge end of the primary separation mechanism is connected to a primary slag collecting box. The secondary separation mechanism is arranged at the discharge end of the primary separation mechanism to separate dust from gas, and the discharge end of the secondary separation mechanism is connected to a secondary slag collecting box.

5. A mining cyclone-type orifice dust removal and automatic slag unloading device according to claim 4, characterized in that: The dust conveying pipe is further provided with an ejector nozzle, which is used to eject airflow toward the primary separation mechanism into the dust conveying pipe to form a negative pressure in the dust conveying pipe.

6. A mining cyclone-type orifice dust removal and automatic slag unloading device according to claim 4, characterized in that: The first-level separation mechanism includes two first-level cyclone separators, and the second-level separation mechanism includes one second-level cyclone separator; the feed ends of the two first-level cyclone separators are connected to the dust conveying pipe, the discharge ends of the two first-level cyclone separators are connected to the first-level slag collecting box, and the air outlet ends of the two first-level cyclone separators are connected to the connecting pipe.

7. A mining cyclone-type orifice dust removal and automatic slag unloading device according to claim 6, characterized in that: A pull-out drawer is installed in the first-stage slag collecting box, and the inner cavity of the drawer is communicated with the discharge ends of the two first-stage cyclone separators.

8. A mining cyclone-type orifice dust removal and automatic slag unloading device according to claim 7, characterized in that: The drawers have handles.

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