A coal mine dust over-limit dust falling device

Abstract

The utility model is suitable for coal mine technical field provides a kind of coal mine is with dust over-limit dust-settling device, including two supporting legs, the horizontal frame of being installed in the top of two supporting legs and the dust-settling assembly of being installed in the one side of horizontal frame, the one side of the horizontal frame away from dust-settling assembly is equipped with auxiliary assembly, the dust-settling assembly includes the dust-settling main pipe of being installed in the one side of horizontal frame, the both ends of dust-settling main pipe are vertically communicated with dust-settling branch pipe, the outer wall of dust-settling main pipe and two dust-settling branch pipe is equipped with multiple dust-settling spray head at equal intervals, the device solves the problem that mist disperses slowly due to space scale and other factors, causes long time consumption in large-area storage environment in mist curtain covering, dust-settling initial time gap exists, causes dust diffusion escape, weakens the timeliness and effectiveness of mist curtain barrier dust, the device is accelerated mist curtain forming by optimizing spray head layout, direction and dynamic adjustment pipeline position, shorten the time of dispersion, enhance the timeliness and effectiveness of dust-settling.

Description

Technical Field

[0001] This utility model relates to the field of coal mining technology, and more specifically, it relates to a dust suppression device for coal mines. Background Technology

[0002] Coal mines are the sites where coal resources are extracted. Through underground mining or open-pit mining, coal buried underground or in shallow layers of the earth is excavated, providing a basic guarantee for energy supply. Coal storage warehouses, as key facilities for coal storage, are mainly used to temporarily store mined coal. Their structural design must take into account functions such as moisture prevention, fire prevention, and theft prevention. Through scientific layout and management, orderly storage and transfer of coal can be achieved. Dust control measures are the measures taken to manage the large amount of coal dust generated during the transportation and storage of coal in warehouses.

[0003] When the concentration of coal dust in the air exceeds the safety standard, dust suppression equipment is used to spray and suppress the dust generated in the air. This involves using a high-pressure spray device to evenly disperse water mist, which is refined to the micron level, into the air. After these water mists come into full contact with the dust particles, they agglomerate and form larger particles that settle to the ground. Currently, the spray dust suppression devices used in coal storage warehouses have spray heads distributed in a matrix on the top and side walls of the warehouse. Through the three-sided coordinated spraying, a three-dimensional fog curtain barrier is constructed in the warehouse space. This arrangement utilizes the coverage of the spray to form a physical barrier to the diffusion of dust, limiting the suspension and overflow of coal dust in the warehouse.

[0004] However, when the mist spreads from the spray point to the middle and bottom of the warehouse, its diffusion process is extremely slow due to factors such as spatial scale. In large-area storage environments, it takes a long time for the mist curtain to completely cover the entire space, resulting in a significant time gap in the initial stage of dust suppression. During this period, dust can still diffuse and escape unimpeded, greatly weakening the timeliness and effectiveness of the mist curtain in blocking dust. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a dust suppression device for coal mines.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a dust suppression device for coal mines, comprising two legs, a cross frame installed on the top of the two legs, and a dust suppression component installed on one side of the cross frame, wherein an auxiliary component is installed on the side of the cross frame away from the dust suppression component.

[0007] The dust suppression assembly includes a main dust suppression pipe horizontally installed on one side of the crossbeam, with dust suppression auxiliary pipes vertically connected to both ends of the main dust suppression pipe, and multiple dust suppression nozzles equidistantly installed on the outer walls of the main dust suppression pipe and the two auxiliary dust suppression pipes.

[0008] The auxiliary component includes two pipes located on the side of the crossbeam away from the dust suppression component, and multiple main nozzles are installed at equal intervals on the outer walls of the two pipes.

[0009] The present invention is further configured such that: the top ends of the two pipes are connected to the outer side wall of the dust-suppressing main pipe, and a water inlet pipe is connected to the middle of the outer side wall of the dust-suppressing main pipe.

[0010] The present invention is further configured such that: the auxiliary component includes a fixed plate installed on one side of the crossbeam and a guide rail installed on one side of the fixed plate; two sets of sliders are slidably connected to the side wall of the guide rail; a slide table is installed on the side of the two sets of sliders away from the fixed plate; a pipe rack is installed on the side wall of the slide table; two pipe racks are correspondingly arranged with two pipes; and the pipes pass through the interior of the corresponding pipe racks.

[0011] The present invention is further configured such that: a servo motor is installed at one end of the fixed plate, the output end of the servo motor is connected to a bidirectional lead screw, and both slides are threaded to the outer wall of the bidirectional lead screw.

[0012] The present invention is further configured such that both pipes are vertically arranged, and both pipes are equipped with auxiliary nozzles at their bottom ends.

[0013] The present invention is further configured such that: a plurality of the main nozzles are disposed on opposite sides of the outer walls of the two pipes, and a plurality of dust-suppressing nozzles are disposed on opposite sides of the outer walls of the two dust-suppressing auxiliary pipes and at the bottom of the outer wall of the main dust-suppressing pipe.

[0014] By adopting the above technical solution, dust suppression efficiency is improved through optimization of nozzle layout and spray direction. Utilizing the opposing spray from the main nozzles on two pipes increases the mist output per unit time, accelerates the formation of the fog barrier, and fills the time gap in the initial stage of dust suppression. Simultaneously, the auxiliary nozzles spray downwards, expanding the vertical coverage of the fog barrier and preventing gaps at the bottom, thus achieving all-around dust suppression in the storage space.

[0015] During the formation of the fog barrier, a servo motor drives a bidirectional lead screw to rotate, thereby controlling two sliding platforms to move closer together. The sliding platforms simultaneously move the pipe frame and pipes, bringing the two pipes closer together. When the two pipes move to the positions below the water inlet pipe on both sides, the main frame structure, composed of the crossbeam and the two support legs, is divided into three parts: the space between the two pipes and the space between the pipes and the adjacent support legs. At this time, the main nozzles on the pipes spray at these positions, causing fog to be generated simultaneously in the three spaces. This shortens the time it takes for the fog to disperse, reduces the time gap, decreases the amount of dust diffusion and escape, and enhances the timeliness and effectiveness of the fog barrier in blocking dust.

[0016] The present invention is further configured such that the bottom height of both pipes is higher than the bottom height of the two dust-suppressing auxiliary pipes, and a gap is provided between the bottom of the two pipes and the two dust-suppressing auxiliary pipes and the bottom of the support leg.

[0017] By adopting the above technical solution, not only is spray space provided for the auxiliary nozzle, but also interference with debris on the bottom surface is prevented when the pipeline moves.

[0018] In summary, this application includes at least one of the following beneficial technical effects:

[0019] (1) Improve dust suppression efficiency by optimizing nozzle layout and spray direction. By using the main nozzles on two pipes to spray relative to each other, the amount of mist output per unit time is increased, the formation of the fog barrier is accelerated, and the time gap in the initial stage of dust suppression is filled. At the same time, the auxiliary nozzles spray downward to expand the vertical coverage of the fog barrier, avoid gaps at the bottom, and achieve all-round dust suppression in the storage space.

[0020] (2) During the formation of the fog barrier, the servo motor drives the bidirectional screw to rotate, thereby controlling the two slides to move closer to each other. The slides simultaneously drive the pipe rack and pipes to move. When the two pipes move to the positions below the water inlet pipe, the main frame structure composed of the cross frame and the two legs is divided into three parts, namely the space between the two pipes and the space between the pipe and the adjacent leg. At this time, the main nozzle on the pipe sprays at this position, thereby generating fog in the three spaces at the same time. The time for fog to disperse is shortened, the time gap is shortened, the amount of dust diffusion and escape is reduced, and the timeliness and effectiveness of the fog barrier in blocking dust are enhanced. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of a dust suppression device for coal mines according to the present invention.

[0022] Figure 2 This is a schematic diagram of the rear view structure of this utility model.

[0023] Figure 3 This is a side view of the structure of this utility model.

[0024] Figure 4 for Figure 1 A magnified structural diagram of area A in the middle.

[0025] Explanation of reference numerals in the attached diagram: 1. Outrigger; 2. Crossbar;

[0026] 3. Auxiliary components; 31. Fixing plate; 32. Guide rail; 33. Two-way lead screw; 34. Slider; 35. Slide table; 36. Pipe rack; 37. Servo motor; 38. Pipe; 39. Main nozzle; 301. Auxiliary nozzle;

[0027] 4. Connect the flexible hose;

[0028] 5. Dust suppression components; 51. Main dust suppression pipe; 52. Secondary dust suppression pipe; 53. Water inlet pipe; 54. Dust suppression nozzle. Detailed Implementation

[0029] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0030] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0031] Please see Figures 1-4 The present invention provides the following technical solution:

[0032] Example 1, see Figure 1 A dust suppression device for coal mines includes two support legs 1 and a cross frame 2 installed on top of the two support legs 1. The cross frame 2 and the two support legs 1 cooperate to form the main frame structure. A dust suppression component 5 is installed on one side of the cross frame 2. The dust suppression component 5 is used to spray dust suppression mist to suppress the generated dust. The specific structure of the dust suppression component 5 is as follows:

[0033] See Figure 2 and Figure 3 The dust suppression component 5 includes a dust suppression main pipe 51 horizontally installed on one side of the cross frame 2. Both ends of the dust suppression main pipe 51 are vertically connected to dust suppression secondary pipes 52. The dust suppression main pipe 51 and the two dust suppression secondary pipes 52 cooperate to form a three-sided surrounding structure. Multiple dust suppression nozzles 54 are equidistantly installed on the outer walls of the dust suppression main pipe 51 and the two dust suppression secondary pipes 52. The multiple dust suppression nozzles 54 are located on opposite sides of the outer walls of the two dust suppression secondary pipes 52 and at the bottom of the outer wall of the dust suppression main pipe 51. When the multiple dust suppression nozzles 54 spray mist, they spray and diffuse into the middle of the main frame structure formed by the cross frame 2 and the two support legs 1, thereby forming a mist barrier to block dust and achieve the purpose of dust suppression.

[0034] See Figure 2 and Figure 3 The outer wall of the dust suppression main pipe 51 is connected to a water inlet pipe 53. The water flowing inside the dust suppression main pipe 51 and the dust suppression secondary pipe 52 is supplied through the water inlet pipe 53. That is, the water inlet pipe 53 is connected to an external water supply device, which can be a water pump, but is not specifically limited here. The water is first supplied into the dust suppression main pipe 51 through the water inlet pipe 53, and then flows into the water inlet pipe 53. At the same time, the water is sprayed out and dispersed through multiple dust suppression nozzles 54.

[0035] See Figures 1-4An auxiliary component 3 is installed on the side of the cross frame 2 away from the dust suppression component 5. The auxiliary component 3 is used to accelerate the formation of the fog barrier, reduce the time gap, and reduce the diffusion and escape of dust. The specific structure of the auxiliary component 3 is as follows:

[0036] The auxiliary component 3 includes two pipes 38 located on the side of the cross frame 2 away from the dust suppression component 5. Multiple main nozzles 39 are installed at equal intervals on the outer walls of the two pipes 38. Both pipes 38 are vertically arranged, and auxiliary nozzles 301 are installed at the bottom of both pipes 38. The multiple main nozzles 39 are located on opposite sides of the outer walls of the two pipes 38. As the main nozzles 39 on the two pipes 38 spray mist relative to each other, the amount of mist forming the fog barrier increases, thus accelerating the formation of the fog barrier.

[0037] Furthermore, the auxiliary nozzle 301 sprays mist downwards, thereby expanding the coverage of the fog barrier and reducing the possibility of gaps appearing at the bottom of the fog barrier due to slow mist dispersion.

[0038] See Figures 1-4 The top ends of the two pipes 38 are connected to the outer wall of the dust suppression main pipe 51 by a connecting hose 4. The water flowing inside the pipes 38 is supplemented by the dust suppression main pipe 51 and the connecting hose 4. That is, the water flowing inside the dust suppression main pipe 51 is diverted through the connecting hose 4 and flows into the two pipes 38, and is sprayed out through the main nozzle 39.

[0039] See Figures 1-4 The auxiliary component 3 includes a fixed plate 31 installed on one side of the cross frame 2 and a guide rail 32 installed on one side of the fixed plate 31. Two sets of sliders 34 are slidably connected to the side wall of the guide rail 32. A slide table 35 is installed on the side of the two sets of sliders 34 away from the fixed plate 31. A pipe rack 36 is installed on the side wall of the slide table 35. The two pipe racks 36 are correspondingly arranged with two pipes 38. The pipes 38 pass through the interior of the corresponding pipe racks 36. The slide table 35 can slide on the side wall of the guide rail 32 through the sliders 34, thereby adjusting the position of the pipe racks 36 and the pipes 38, changing the spray position of the main nozzles 39 on the pipes 38, and further accelerating the formation speed of the fog barrier.

[0040] A servo motor 37 is mounted on one end of the fixed plate 31. The output end of the servo motor 37 is connected to a bidirectional lead screw 33. Both slides 35 are threaded to the outer wall of the bidirectional lead screw 33. That is, the outer wall of the bidirectional lead screw 33 is provided with threads in two directions, and the two slides 35 are respectively within the range of the threads in the two directions. When the bidirectional lead screw 33 rotates in the forward direction, the two slides 35 move closer to each other. Conversely, when the bidirectional lead screw 33 rotates in the reverse direction, the two slides 35 move further away from each other.

[0041] Specifically, when the dust level in the coal storage warehouse exceeds the limit and dust suppression is required, water is first supplied into the dust suppression main pipe 51 through an external water supply device. Then, the water is diverted to the dust suppression secondary pipe 52 and the interior of the pipe 38. Subsequently, the dust suppression nozzles 54, main nozzles 39, and auxiliary nozzles 301 work together to spray mist, which gradually forms a fog barrier between the support leg 1 and the crossbeam 2.

[0042] During the formation of the fog barrier, the servo motor 37 drives the bidirectional lead screw 33 to rotate, thereby controlling the two slides 35 to move closer to each other. The slides 35 simultaneously drive the pipe frame 36 and the pipes 38 to move together. When the two pipes 38 move to the positions below the water inlet pipe 53 on both sides, the main frame structure composed of the cross frame 2 and the two support legs 1 is divided into three parts, namely the space between the two pipes 38 and the space between the pipes 38 and the adjacent support legs 1. At this time, the main nozzle 39 on the pipes 38 sprays at this position, thereby generating fog in the three spaces at the same time. The time waiting for the fog to disperse is shortened, the time gap is reduced, the amount of dust diffusion and escape is reduced, and the timeliness and effectiveness of the fog barrier in blocking dust are enhanced.

[0043] The bottom height of both pipes 38 is higher than the bottom height of both dust-suppressing auxiliary pipes 52. There is a gap between the bottom of both pipes 38 and the support leg 1, which not only provides spray space for the auxiliary nozzle 301, but also prevents the pipes 38 from interfering with debris on the bottom surface when they move.

[0044] Obviously, the embodiments described above are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

Claims

1. A dust suppression device for coal mines, characterized in that: It includes two support legs (1), a cross frame (2) installed on the top of the two support legs (1) and a dust suppression assembly (5) installed on one side of the cross frame (2), wherein an auxiliary assembly (3) is installed on the side of the cross frame (2) away from the dust suppression assembly (5). The dust suppression assembly (5) includes a dust suppression main pipe (51) horizontally installed on one side of the cross frame (2), and dust suppression secondary pipes (52) are vertically connected to both ends of the dust suppression main pipe (51). Multiple dust suppression nozzles (54) are installed at equal intervals on the outer walls of the dust suppression main pipe (51) and the two dust suppression secondary pipes (52). The auxiliary component (3) includes two pipes (38) disposed on the side of the cross frame (2) away from the dust suppression component (5), and multiple main nozzles (39) are installed at equal intervals on the outer walls of the two pipes (38).

2. The dust suppression equipment for coal mines according to claim 1, characterized in that: The top ends of the two pipes (38) are connected to the outer wall of the dust suppression main pipe (51) by a connecting hose (4), and the middle of the outer wall of the dust suppression main pipe (51) is connected to a water inlet pipe (53).

3. The dust suppression equipment for coal mines according to claim 1, characterized in that: The auxiliary component (3) includes a fixed plate (31) installed on one side of the cross frame (2) and a guide rail (32) installed on one side of the fixed plate (31). Two sets of sliders (34) are slidably connected to the side wall of the guide rail (32). A slide table (35) is installed on the side of the two sets of sliders (34) away from the fixed plate (31). A pipe rack (36) is installed on the side wall of the slide table (35). The two pipe racks (36) are correspondingly arranged with two pipes (38). The pipes (38) pass through the interior of the corresponding pipe rack (36).

4. A dust suppression device for coal mines according to claim 3, characterized in that: A servo motor (37) is installed at one end of the fixed plate (31), and the output end of the servo motor (37) is connected to a bidirectional lead screw (33). Both slides (35) are threaded to the outer wall of the bidirectional lead screw (33).

5. A dust suppression device for coal mines according to claim 4, characterized in that: Both pipes (38) are vertically arranged, and auxiliary nozzles (301) are installed at the bottom of both pipes (38).

6. A dust suppression device for coal mines according to claim 1, characterized in that: Multiple main nozzles (39) are disposed on opposite sides of the outer walls of the two pipes (38), and multiple dust suppression nozzles (54) are disposed on opposite sides of the outer walls of the two dust suppression auxiliary pipes (52) and at the bottom of the outer wall of the dust suppression main pipe (51).

7. A dust suppression device for coal mines according to claim 1, characterized in that: The bottom height of both pipes (38) is higher than the bottom height of the two dust-suppressing sub-pipes (52), and there is a gap between the two pipes (38) and the two dust-suppressing sub-pipes (52) and the bottom of the support leg (1).

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