Underground coal mining dust treatment device

Abstract

The utility model discloses an underground coal mining dust treatment device in the related technical field of dust treatment, which comprises a dust removal cylinder and a foam injection window, a top cover is arranged at the upper end of the dust removal cylinder in a matched manner, and an infusion pump is mounted on one side, close to the foam injection window, of the top cover; the liquid pump is connected with the foam spraying window through a foam liquid supply pipe, a control valve is installed on the foam liquid supply pipe, evenly-distributed cavities are formed in the upper portion of the foam spraying window, and liquid guide holes are formed in bottom plates of the evenly-distributed cavities. The foam dust removal device is arranged in the dust removal cylinder, the foam agent water solution is contained in the dust removal cylinder, a large amount of high-expansion foam can be generated and sprayed into a dust source or air through cooperation of the infusion pump, the foam spraying window and the foam net, the dust falling effect is achieved by making contact with dust, and the foam dust removal efficiency is high; and particularly, the effect on dust with small particle size is remarkable, and the water consumption is low.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of dust treatment, and particularly relates to an underground coal mining dust treatment device. BACKGROUND

[0002] A coal mine is a region where human beings exploit coal resources in a coal-rich mining area, and is generally divided into underground coal mines and open-pit coal mines. The general term for various types of solid fine particles generated in the production process of a coal mine is coal mine dust. If a large amount of dust enters the human body, it will endanger people's health, so it is necessary to set up a dust removal device during exploitation for dust collection and treatment. However, the underground coal mining dust treatment device in the prior art has the problem that, when in use, the dust is removed by spraying water on it using a sprayer, water mist is sprayed into the air, the water mist contacts the dust, the weight of the dust is increased, and the dust removal effect is achieved. However, because the angle of the water mist is single and the volume of the water mist is small, the respirable dust with a small particle size cannot be fully and effectively contacted and fused, and the dust removal efficiency is relatively low.

[0003] Therefore, the utility model is provided. CONTENT OF THE UTILITY MODEL

[0004] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art, and provide an underground coal mining dust treatment device. To solve the above technical problem, the basic idea of the technical scheme of the utility model is as follows:

[0005] The utility model discloses an underground coal mining dust treatment device, which comprises a dust removal cylinder body and a foam spraying window, a top cover is arranged at the upper end of the dust removal cylinder body in a matched mode, a liquid pumping pump is installed on one side of the top cover close to the foam spraying window, the liquid pumping pump is connected with the foam spraying window through a foam liquid supply pipe, a control valve is installed on the foam liquid supply pipe, a uniform distribution cavity is arranged at the upper portion of the foam spraying window, a liquid guide hole is arranged on the bottom plate of the uniform distribution cavity, a bubble net is installed on the foam spraying window below the uniform distribution cavity, a fan is installed in the dust removal cylinder body at the position inside the foam spraying window, a spray settling pump is arranged on the side of the top cover away from the foam spraying window, a rotating power box is arranged on the side of the spray settling pump, a rotating box is arranged on the rotating power box, a spray pipe is arranged on the side of the rotating box, a plurality of atomizing nozzles are installed on the spray pipe, a liquid supply cavity is arranged in the rotating box, the liquid outlet end of the spray settling pump is connected to the liquid supply cavity in the rotating box through a pipeline, the dust removal cylinder body is fixedly arranged on a movable frame, a stirring motor is fixedly installed at the middle position below the dust removal cylinder body, a stirring shaft is installed on the inner bottom of the dust removal cylinder body, and a stirrer is installed on the stirring shaft, so as to stir and mix the foam agent aqueous solution in the dust removal cylinder body.

[0006] As a further scheme of the present application: the main shaft of the stirring motor is connected with the lower end of the stirring shaft through a shaft coupling, a stable support seat is arranged on the outer side of the stirring shaft above the shaft coupling, and a bearing is arranged in the stable support seat to ensure the stability of the rotation of the stirring shaft.

[0007] As a further scheme of the present application: the fan is fixedly installed on the support frame, the support frame is fixedly installed on the inner wall of the dust removal cylinder, a liquid level sensor is installed in the dust removal cylinder, and a ventilation filtering window is arranged on the top cover to facilitate the gas exchange of the fan.

[0008] As a further scheme of the present application: a feeding port is arranged between the spray settling pump and the liquid pumping pump on the top cover, a movable wheel is installed below the movable frame, and a handrail is fixedly arranged on the movable frame at the side of the dust removal cylinder to facilitate the movement of the movable frame.

[0009] As a further scheme of the present application: a rotating motor is installed in the rotating power box, a driving gear is installed on the main shaft of the rotating motor, a driven gear is arranged in mesh with the side of the driving gear, the driven gear is installed at the lower end of the rotating shaft through key connection, a limiting shaft sleeve is installed between the driven gear and the top of the rotating power box on the rotating shaft to limit the installation of the driven gear.

[0010] As a further scheme of the present application: a bearing seat is arranged above the rotating power box, the bottom of the rotating box is fixedly connected with the upper end of the rotating shaft, a rotating fit bearing is arranged at the fit position of the liquid outlet pipeline of the spray settling pump and the rotating box, and a bearing end cover is arranged at the upper end of the rotating fit bearing to ensure the stability of the liquid supply of the spray settling pump during the rotation of the rotating box.

[0011] Compared with the prior art, the present application has the following advantages.

[0012] The dust removal cylinder is provided with a foam dust removal device, and the dust removal cylinder contains a foam agent aqueous solution, a large amount of high-multiple foam can be generated by cooperation of the liquid pumping pump, the foam spraying window and the bubble net, and is sprayed into dust sources or air to achieve dust reduction effect by contacting with dust, the foam dust removal efficiency is high, especially for small particle size dust, and the water consumption is low.

[0013] The dust removal cylinder is provided with a spray pipe and an atomizing nozzle, the rotating motor in the rotating power box can drive the rotating box to rotate through the gear transmission assembly, and then drives the atomizing pipe to rotate, so that spray settling at different angles and different directions is realized, and the dust treatment effect is improved.

[0014] The utility model discloses a further detailed description of the specific implementation of the utility model is combined with the drawings below. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide further understanding of the utility model, the illustrative embodiments of the utility model and its descriptions serve to explain the utility model, but do not constitute improper limitation on the utility model. Obviously, the drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor according to these drawings. In the drawings:

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is the front view of the utility model;

[0018] Figure 3 It is the main sectional view of the utility model;

[0019] Figure 4 It is the internal schematic diagram of the rotating power box of the utility model;

[0020] Figure 5 It is the foam injection window schematic diagram of the utility model.

[0021] In the drawing: 1, dust removal cylinder;2, mobile frame;3, handrail;4, top cover;5, mobile wheel;6, feeding opening;7, spray settling pump;8, rotating power box;9, spray pipe;10, atomizing nozzle;11, foam liquid supply pipe;12, control valve;13, liquid pump;14, foam injection window;15, stirring motor;16, support frame;17, fan;18, coupling;19, stable support base;20, stirring shaft;21, stirrer;22, liquid level sensor;23, uniform distribution cavity;24, liquid guide hole;25, bubble net;26, rotating motor;27, driving gear;28, driven gear;29, limit shaft sleeve;30, rotating shaft;31, bearing seat;32, rotating box;33, liquid supply cavity;34, rotating fit bearing.

[0022] It should be noted that these drawings and textual descriptions are not intended to limit the scope of the concept of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model but not to limit the scope of the utility model.

[0024] As shown in the figure, Figures 1 to 5 A kind of underground coal mine exploitation dust control device, including dust removal cylinder 1 and foam injection window 14, the upper end of dust removal cylinder 1 is equipped with top cover 4, liquid pump is installed on the side of top cover 4 close to foam injection window 14, liquid pump 13 is connected with foam injection window 14 by foam liquid supply pipe 11, control valve 12 is installed on foam liquid supply pipe 11, the upper portion of foam injection window 14 is provided with uniform distribution cavity 23, guide hole 24 is provided on the bottom plate of uniform distribution cavity 23, bubble net 25 is installed on the foam injection window 14 below uniform distribution cavity 23, fan 17 is installed in the position of dust removal cylinder 1 inside foam injection window 14 side, spray settling pump 7 is provided on the side away from foam injection window 14 of top cover 4, rotating power box 8 is provided on the side of spray settling pump 7, rotating box 32 is provided on rotating power box 8, spray pipe 9 is provided on the side of rotating box 32, a plurality of atomizing nozzles 10 are installed on spray pipe 9, liquid supply cavity 33 is provided in rotating box 32, the liquid outlet end of spray settling pump 7 is connected to liquid supply cavity 33 by pipeline, dust removal cylinder 1 is fixedly arranged on mobile frame 2, stirring motor 15 is fixedly installed at the middle position below dust removal cylinder 1, stirring shaft 20 is installed on the bottom of dust removal cylinder 1, stirrer 21 is installed on stirring shaft 20 for stirring and mixing foam agent aqueous solution in dust removal cylinder 1.

[0025] Wherein, the main shaft of stirring motor 15 is connected with the lower end of stirring shaft 20 through coupling 18, stable support seat 19 is arranged on the outer side of stirring shaft 20 above coupling 18, bearing is arranged in stable support seat 19 to ensure the stability of stirring shaft 20 rotation.

[0026] Fan 17 is fixedly installed on support frame 16, support frame 16 is fixedly installed on the inner wall of dust removal cylinder 1, liquid level sensor 22 is installed in dust removal cylinder 1, air filtering window is arranged on top cover 4 to facilitate gas exchange of fan 17.

[0027] Addition port 6 is arranged on top cover 4 between spray settling pump 7 and liquid pump 13, moving wheel 5 is installed below mobile frame 2, handrail 3 is fixedly arranged on the side of mobile frame 2 on the side of dust removal cylinder 1 to facilitate the movement of mobile frame 2.

[0028] A rotating motor 26 is installed in the rotating power box 8, a driving gear 27 is installed on the main shaft of the rotating motor 26, a driven gear 28 is arranged in mesh with the side of the driving gear 27, the driven gear 28 is installed on the lower end of a rotating shaft 30 through key connection, and a limiting shaft sleeve 29 is installed on the rotating shaft 30 between the driven gear 28 and the top of the rotating power box 8 for limiting the installation of the driven gear 28.

[0029] A bearing seat 31 is arranged above the rotating power box 8, the bottom of a rotating box 32 is fixedly connected with the upper end of the rotating shaft 30, a rotating fit bearing 34 is arranged at the fit position of the liquid outlet pipeline of the spray settling pump 7 and the rotating box 32, and a bearing end cover is arranged at the upper end of the rotating fit bearing 34 to ensure the stability of the liquid supply of the spray settling pump 7 during the rotation of the rotating box 32.

[0030] The working principle of the utility model is: when the dust removal device is used for treating the coal mining dust, the foaming agent and water are diluted according to a certain proportion, are added into the dust removal cylinder 1 from the feeding opening 6, the stirring motor 15 drives the stirring shaft 20 to rotate, the stirrer 21 on the stirring shaft 20 stirs the foaming agent solution, ensures that the foaming agent is uniformly mixed, the liquid pump 13 draws out the foaming agent solution, supplies the foaming agent solution into the uniform distribution cavity 23 of the foaming spraying window 14 through the foaming liquid supply pipe 11, the bottom plate of the uniform distribution cavity 23 is provided with the liquid guide hole 24, the foaming agent solution flows to the bubble net 25 through the liquid guide hole 24, the fan 17 blows air to the foaming spraying window 14, the foaming agent solution is blown out as a large amount of high-multiple foams, is sprayed into the dust source or air, and the dust reduction effect is achieved by contacting with the dust;

[0031] The spray settling pump 7 draws out the solution in the dust removal cylinder 1, supplies the solution into the liquid supply cavity 33 through the pipeline, the rotating motor drives the rotating shaft 30 to rotate through the driving gear 27 and the driven gear 28, further drives the rotating box 32 to rotate, the spray pipe 9 arranged on the rotating box 32 rotates, sprays water mist into the air of the surrounding space, makes the water mist contact with the dust, increases the weight of the dust, and thus the dust reduction effect is achieved, the water solution contains the foaming agent, the water mist contains micro-bubbles, and thus the settling effect is improved;

[0032] The spray settling pump 7 and the liquid pump 13 can be used in combination or individually, and the dust treatment effect of coal mining is ensured;

[0033] The utility model discloses a dust removal cylinder 1 is provided with foam dust removal device, and the dust removal cylinder 1 is filled with foam agent aqueous solution, utilizes pumping pump 13, foam injection window 14 and bubble net 25 cooperation, can produce a large number of high multiple foam, is sprayed to dust source or air, reaches dust fall effect through with dust contact, and foam dust removal efficiency is high, especially to the dust effect of smaller particle size is remarkable, and water consumption is less dust removal cylinder 1 is provided with spray pipe 9 and atomizing nozzle 10 in matching, and the rotating motor 26 in rotary power box 8 can drive rotating box 32 rotation through gear transmission assembly, and then drives atomizing pipe rotation, realizes the spray settlement of different angle, different orientation, and further promotes dust control effect.

[0034] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has disclosed as above with the preferred embodiment, however, is not used to limit the utility model, any person skilled in the art in the range without departing from the technical scheme of the utility model can utilize the technical content of the above prompt makes a little more change or modification is equivalent variation equivalent embodiment, but whatever does not depart from the technical scheme of the utility model, according to the technical essence of the utility model, any simple modification, equivalent variation and modification of the above embodiment, still belongs to the range of the utility model scheme.

Claims

1. A downhole coal mining dust control device, comprising a dust removal cylinder (1) and a foam injection window (14), characterized in that, The upper end of the dust removal cylinder (1) is matched with a top cover (4), a liquid pump is installed on one side of the top cover (4) close to the foam injection window (14), the liquid pump (13) is connected with the foam injection window (14) through a foam liquid supply pipe (11), a control valve (12) is installed on the foam liquid supply pipe (11), the upper part of the foam injection window (14) is provided with a uniform distribution cavity (23), the bottom plate of the uniform distribution cavity (23) is provided with a liquid guide hole (24), a bubble net (25) is installed on the foam injection window (14) below the uniform distribution cavity (23), a fan (17) is installed in the dust removal cylinder (1) at a position inside the foam injection window (14), a spray settling pump (7) is arranged on the side of the top cover (4) away from the foam injection window (14), a rotating power box (8) is arranged on the side of the spray settling pump (7), a rotating box (32) is arranged on the rotating power box (8), a spray pipe (9) is arranged on the side of the rotating box (32), a plurality of atomizing nozzles (10) are installed on the spray pipe (9), a liquid supply cavity (33) is arranged in the rotating box (32), the liquid outlet end of the spray settling pump (7) is connected to the liquid supply cavity (33) through a pipeline, the dust removal cylinder (1) is fixedly arranged on a movable frame (2), a stirring motor (15) is fixedly installed at the middle position below the dust removal cylinder (1), a stirring shaft (20) is installed on the bottom of the dust removal cylinder (1), and a stirrer (21) is installed on the stirring shaft (20).

2. The device for controlling dust in underground coal mining according to claim 1, characterized in that, The main shaft of the stirring motor (15) is connected with the lower end of the stirring shaft (20) through a shaft coupling (18), a stable support seat (19) is arranged on the outer side of the stirring shaft (20) above the shaft coupling (18), and a bearing is arranged in the stable support seat (19).

3. The device for controlling dust in underground coal mining according to claim 2, characterized in that, The fan (17) is fixedly installed on a support frame (16), the support frame (16) is fixedly installed on the inner wall of the dust removal cylinder (1), a liquid level sensor (22) is installed in the dust removal cylinder (1), and an air filtering window is arranged on the top cover (4).

4. The device for controlling dust in underground coal mining according to claim 3, characterized in that, A feeding port (6) is arranged on the top cover (4) between the spray settling pump (7) and the liquid pump (13), movable wheels (5) are installed below the movable frame (2), and a handrail (3) is fixedly arranged on one side of the dust removal cylinder (1) of the movable frame (2).

5. A device for managing dust in underground coal mining according to claim 4, characterized in that, A rotating motor (26) is installed in the rotating power box (8), a driving gear (27) is installed on the main shaft of the rotating motor (26), a driven gear (28) is arranged on the side of the driving gear (27) in meshing mode, the driven gear (28) is installed at the lower end of a rotating shaft (30) through key connection, and a limiting shaft sleeve (29) is installed between the driven gear (28) and the top of the rotating power box (8) on the rotating shaft (30).

6. A device for managing dust in underground coal mining according to claim 5, characterized in that, The upper portion of the rotating power box (8) is provided with a bearing seat (31), the bottom of the rotating box (32) is fixedly connected with the upper end of the rotating shaft (30), the outlet pipeline of the spray settling pump (7) is provided with a rotating fit bearing (34) at the fit position of the rotating box (32), and the upper end of the rotating fit bearing (34) is provided with a bearing end cover.

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