Dust removal device for coal mine safety

Abstract

The utility model discloses a dust removal device for coal mine safety, which comprises a dust fall box, an exhaust detection mechanism and a dust fall mechanism, the front end and the rear end of the dust fall box are fixedly connected with an air inlet pipe and an exhaust pipe respectively, the exhaust detection mechanism is arranged on the outer side of the exhaust pipe, and the exhaust detection mechanism comprises a detection support, a winding shaft, a connecting shaft, a white gauze roll and a connecting snap ring. By means of the exhaust detection mechanism, after air in an underground coal mine is subjected to dust falling through the dust falling box and is exhausted out of the exhaust pipe, the air subjected to dust falling is blown to the surface of the white gauze roll, if much dust still exists in the exhausted air, smoke dust particles can be left on the surface of the white gauze roll, and after a period of time, the dust particles can not be left on the surface of the white gauze roll. A coal mine constructor manually rotates the rotating ring to enable the white gauze roll in a dust attached area to rotate to the surface of the winding shaft, and the coal mine constructor can judge the air dust falling effect of the underground coal mine by observing the dust attached condition on the surface of the white gauze roll wound on the surface of the winding shaft.

Description

Technical Field

[0001] The utility model relates to a dust removal device, in particular to a dust removal device for coal mine safety. Background Art

[0002] A large amount of dust is generated in every link of the coal mining process, which not only pollutes the environment, but also seriously affects the health of coal miners. Coal workers have become a high-risk group susceptible to pneumoconiosis, so corresponding dust removal equipment is needed to reduce the dust in the coal mine environment.

[0003] Prior art, such as CN109356639B, discloses a dust removal device for coal mine safety, including a bottom plate, wherein the four corners of the bottom of the bottom plate are provided with moving wheels, and a first rolling bearing is fixedly connected in a groove at the midpoint of the top of the bottom plate. The present invention cooperates with each other through the first rolling bearing, the supporting shaft, the water tank, the rotating motor, the rotating shaft, the driving gear, the driven gear, the fixed seat, the threaded rod, the threaded sleeve, the supporting plate, the driven bevel gear, the forward and reverse motor, the forward and reverse shaft, the driving bevel gear, the fixed plate, the first fixed shaft, the fixed rod, the water spray pipe, the atomizing nozzle, the second fixed shaft, the slide groove, the slider, the third fixed shaft, the connecting rod, the electric push rod and the pipe, so as to achieve a good dust removal effect, and the dust removal range can be increased by adjusting the angle of the atomizing nozzle, and the dust removal efficiency can be improved, which greatly shortens the dust removal time, ensures the normal progress of coal mining work, and brings great convenience to coal mining enterprises.

[0004] Other existing technologies include, for example, announcement number CN217872904U, patent name A dust removal device for coal mine safety management; announcement number CN216342292U, patent name A dust removal device for coal mine safety management; announcement number CN108678799A, patent name A dust removal device for coal mine safety. The above typical and existing technologies still have certain problems when used:

[0005] Although the above-mentioned comparative document has set up a dust reduction structure for coal mine underground environmental smoke, it has not set up a related dust reduction detection structure. After the dust reduction device is used, the coal mine construction personnel cannot understand whether the dust content in the coal mine underground air is reduced after the dust reduction. Therefore, it is necessary to design a dust reduction device that can detect the dust reduction effect. Utility Model Content

[0006] The purpose of the utility model is to provide a dust removal device for coal mine safety to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust removal device for coal mine safety, comprising a dust reduction box, an exhaust detection mechanism and a dust reduction mechanism, wherein the front and rear ends of the dust reduction box are respectively fixedly connected with an intake pipe and an exhaust pipe, and an exhaust detection mechanism is arranged on the outside of the exhaust pipe, and the exhaust detection mechanism comprises a detection bracket, a winding shaft, a connecting shaft, a white gauze roll and a connecting clamp ring, the detection bracket is arranged on the outside of the exhaust pipe, and the detection bracket is fixedly connected to the dust reduction box, the upper surface of the detection bracket is rotatably connected with a rotating ring, the lower end of the rotating ring is drivingly connected with a winding shaft, the lower end of the winding shaft passes through the detection bracket, a connecting shaft is arranged on one side of the winding shaft, the upper end of the connecting shaft is rotatably connected with the detection bracket, a white gauze roll is sleeved on the outer side of the winding shaft, one end of the white gauze roll is fixedly connected to the outer surface of the connecting shaft, and the winding shaft and the lower surface of the connecting shaft are both snap-connected with a connecting clamp ring;

[0008] Dust reduction mechanisms are provided on both sides of the outer surface of the dust reduction box. The dust reduction mechanism includes a water pipe, a branch pipe, an atomizing nozzle, a limit plate, a water pump and a connecting plate. The water pipe is provided on the outside of the dust reduction box. The front and rear ends of the water pipe are respectively fixedly connected to the inner sides of the two limit plates. The limit plates are fixedly connected to the dust reduction box.

[0009] As a preferred technical solution of the utility model, a water pump is arranged outside one end of the water pipe, the water outlet of the water pump is fixedly connected to the water pipe, and the water inlet of the water pump is fixedly connected to a connecting water pipe.

[0010] As an optimal technical solution of the utility model, a plurality of branch pipes are fixedly connected to the inner side of the water pipe, and one end of the plurality of branch pipes away from the water pipe is arranged through the inner side of the dust suppression box, and the inner ends of the plurality of branch pipes are fixedly connected to atomizing nozzles.

[0011] As a preferred technical solution of the utility model, exhaust fan blades are arranged inside the front and rear side walls of the dust reduction box, and driving motors are arranged inside the two exhaust fan blades, and the output end of the driving motor is drivingly connected to the exhaust fan blades.

[0012] As a preferred technical solution of the utility model, fixed brackets are fixedly connected to both sides of the driving motor, and the fixed brackets are fixedly connected to the dust reduction box.

[0013] As a preferred technical solution of the utility model, a water storage tank is fixedly connected to the surface of the dust reduction box.

[0014] As a preferred technical solution of the utility model, an irradiation lamp is fixedly connected to one side of the detection bracket.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model is provided with an exhaust detection mechanism. After the air in the coal mine passes through the dust reduction box and is discharged from the exhaust pipe, the dust-reduced air blows on the surface of the white gauze roll. If there is still a lot of dust in the discharged air, these smoke and dust particles will remain on the surface of the white gauze roll. After a period of time, the coal mine construction personnel manually rotate the rotating ring to rotate the white gauze roll in the dust-attached area to the surface of the winding shaft. The coal mine construction personnel can judge the dust reduction effect of the coal mine air by observing the dust adhesion on the surface of the white gauze roll wound on the surface of the winding shaft.

[0017] The utility model provides a dust reduction mechanism, and two driving motors are used to control the rotation of two exhaust fan blades respectively. After the exhaust fan blades on the front side rotate, the air in the coal mine is drawn into the dust reduction box, and then the dust-reduced air is drawn out to the outside of the dust reduction box through the exhaust fan blades on the rear side. Before the air in the coal mine is drawn into the dust reduction box, the connecting water pipe is first connected to a water source, and the water source is drawn into the water guide pipe through a water pump, and then sprayed on the dust reduction box through an atomizing nozzle. In this way, during the process of drawing in and out the air, the dust particles in the air are adsorbed by the atomized water flow, thereby reducing the dust particles in the air, achieving the purpose of dust reduction for the air in the coal mine, and ensuring the health and safety of the coal mine construction workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the rear structure of the utility model;

[0021] Figure 4 For this utility model Figure 3 A is an enlarged view of the middle image.

[0022] In the figure: 1. dust suppression box; 2. exhaust detection mechanism; 201. detection bracket; 202. winding shaft; 203. rotating ring; 204. connecting shaft; 205. white gauze roll; 206. connecting clamp; 3. dust suppression mechanism; 301. water guide pipe; 302. branch pipe; 303. atomizing nozzle; 304. limit plate; 305. water pump; 306. connecting water pipe; 4. water storage tank; 5. air inlet pipe; 6. exhaust pipe; 7. exhaust fan blades; 8. driving motor; 9. fixing bracket; 10. irradiation lamp. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 The utility model provides a technical solution for a dust removal device for coal mine safety: Example 1

[0025] according to Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a dust removal device for coal mine safety includes a dust reduction box 1, an exhaust detection mechanism 2 and a dust reduction mechanism 3. The front and rear ends of the dust reduction box 1 are respectively fixedly connected with an air intake pipe 5 and an exhaust pipe 6. The exhaust detection mechanism 2 is arranged on the outside of the exhaust pipe 6. The exhaust detection mechanism 2 includes a detection bracket 201, a winding reel 202, a connecting shaft 204, a white gauze roll 205 and a connecting clamp ring 206. The detection bracket 201 is arranged on the outside of the exhaust pipe 6, and the detection bracket 201 is fixedly connected to the dust reduction box 1. The upper surface of the detection bracket 201 is rotatably connected with a rotating ring 203, and the lower end of the rotating ring 203 is drivingly connected with the winding reel 202. The lower end of the winding reel 202 is penetrated by a rotating ring 203. A detection bracket 201 is worn, and a connecting shaft 204 is arranged on one side of the winding shaft 202. The upper end of the connecting shaft 204 is rotatably connected to the detection bracket 201. A white gauze roll 205 is sleeved on the outer side of the winding shaft 202. The material of the white gauze roll 205 is breathable gauze. When the exhausted air passes through the white gauze roll 205, the dust particles in the air will remain on the surface of the white gauze roll 205. Moreover, the white gauze roll 205 is white in color, with obvious contrast, which is convenient for coal mine construction personnel to observe the dust adhesion. One end of the white gauze roll 205 is fixedly connected to the outer surface of the connecting shaft 204, and the winding shaft 202 and the lower surface of the connecting shaft 204 are both engaged with a connecting clamp 206.

[0026] In specific use, the utility model is a dust removal device for coal mine safety. After the air underground in the coal mine passes through the dust reduction box 1 and is discharged from the exhaust pipe 6, the dust-reduced air is blown on the surface of the white gauze roll 205. If there is still a lot of dust in the discharged air, these smoke and dust particles will remain on the surface of the white gauze roll 205. After a period of time, the coal mine construction personnel manually rotate the rotating ring 203 to rotate the white gauze roll 205 in the dust-attached area to the surface of the winding shaft. The coal mine construction personnel can judge the dust reduction effect of the air underground in the coal mine by observing the dust adhesion on the surface of the white gauze roll 205 wound on the surface of the winding shaft. Example 2

[0027] On the basis of the first embodiment, as shown in the figure and the figure, dust reduction mechanisms 3 are arranged on both sides of the left and right sides of the outer surface of the dust reduction box 1, and the dust reduction mechanism 3 includes a water pipe 301, a branch pipe 302, an atomizing nozzle 303, a limit plate 304, a water pump 305 and a connecting plate. The water pipe 301 is arranged on the outside of the dust reduction box 1, and the front and rear ends of the water pipe 301 are respectively fixedly connected to the inner sides of the two limit plates 304, and the limit plates 304 are fixedly connected to the dust reduction box 1. A water pump 305 is arranged on the outside of one end of the water pipe 301, and the water outlet end of the water pump 305 is fixedly connected to the water pipe 301, and the water inlet end of the water pump 305 is fixedly connected to a connecting water pipe 306, and a plurality of branch pipes 302 are fixedly connected to the inner side of the water pipe 301, and the plurality of branch pipes 302 are far away from the water pipe 301. One end of the dust reduction box 1 is penetrated and arranged inside the dust reduction box 1, and the inner ends of multiple branch pipes 302 are fixedly connected with atomizing nozzles 303, the front and rear side walls of the dust reduction box 1 are provided with exhaust fan blades 7, the inner sides of the two exhaust fan blades 7 are provided with driving motors 8, the output ends of the driving motors 8 are transmission-connected with the exhaust fan blades 7, and the driving motors 8 are fixedly connected with fixed brackets 9 on both sides, and the fixed brackets 9 are fixedly connected with the dust reduction box 1. A water storage tank 4 is fixedly connected to the surface of the dust reduction box 1, and an irradiation lamp 10 is fixedly connected to one side of the detection bracket 201. In addition, when detecting the dust content in the discharged air, the irradiation lamp 10 can be turned on to form a straight beam of light on the front side of the exhaust pipe 6, and the coal mine construction personnel can roughly judge the dust situation in the discharged air by observing the floating situation of smoke and dust in the light.

[0028] During specific use, the utility model provides a dust removal device for coal mine safety. Before the dust reduction device is used, the device is placed at the construction position underground in the coal mine. Two driving motors are used to control the rotation of two exhaust fan blades 7 respectively. After the exhaust fan blades 7 located at the front side rotate, the air underground in the coal mine is drawn into the dust reduction box 1, and then the dust-reduced air is drawn out to the outside of the dust reduction box 1 through the exhaust fan blades 7 at the rear side. Before the air underground in the coal mine is drawn into the dust reduction box 1, the connecting water pipe 306 is first connected to the water source, and the water source is drawn into the water guide pipe 301 through the water pump 305, and is sprayed on the dust reduction box 1 through the atomizing nozzle 303. In this way, during the process of drawing in and out the air, the dust particles in the air are adsorbed by the atomized water flow, thereby reducing the dust particles in the air, achieving the purpose of dust reduction of the air underground in the coal mine, and ensuring the health and safety of the coal mine construction personnel.

[0029] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the present utility model, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description of reference terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more schemes or examples.

Claims

1. A dust removal device for coal mine safety, comprising a dust suppression box (1), an exhaust gas detection mechanism (2) and a dust suppression mechanism (3), characterized in that: The front and rear ends of the dust reduction box (1) are respectively fixedly connected to an air intake pipe (5) and an exhaust pipe (6); an exhaust detection mechanism (2) is arranged outside the exhaust pipe (6); the exhaust detection mechanism (2) comprises a detection bracket (201), a winding shaft (202), a connecting shaft (204), a white gauze roll (205) and a connecting clamp (206); the detection bracket (201) is arranged outside the exhaust pipe (6), and the detection bracket (201) is fixedly connected to the dust reduction box (1); a rotating ring (203) is rotatably connected to the upper surface of the detection bracket (201); The lower end of the rotating ring (203) is connected to a winding shaft (202) in a transmission manner. The lower end of the winding shaft (202) passes through the detection bracket (201). A connecting shaft (204) is provided on one side of the winding shaft (202). The upper end of the connecting shaft (204) is rotatably connected to the detection bracket (201). A white gauze roll (205) is sleeved on the outer side of the winding shaft (202). One end of the white gauze roll (205) is fixedly connected to the outer surface of the connecting shaft (204). The lower surfaces of the winding shaft (202) and the connecting shaft (204) are both engaged with a connecting clamp ring (206); Dust reduction mechanisms (3) are provided on both left and right sides of the outer surface of the dust reduction box (1); the dust reduction mechanism (3) comprises a water guide pipe (301), a branch pipe (302), an atomizing nozzle (303), a limit plate (304), a water pump (305) and a connecting plate; the water guide pipe (301) is provided on the outside of the dust reduction box (1); the front and rear ends of the water guide pipe (301) are respectively fixedly connected to the inner sides of two limit plates (304); and the limit plates (304) are fixedly connected to the dust reduction box (1).

2. A dust removal device for coal mine safety according to claim 1, characterized in that: A water pump (305) is arranged outside one end of the water conduit (301); a water outlet end of the water pump (305) is fixedly connected to the water conduit (301); and a water inlet end of the water pump (305) is fixedly connected to a connecting water pipe (306).

3. A dust removal device for coal mine safety according to claim 1, characterized in that: A plurality of branch pipes (302) are fixedly connected to the inner side of the water guide pipe (301); one end of the plurality of branch pipes (302) away from the water guide pipe (301) is arranged to penetrate the inner side of the dust suppression box (1); and the inner ends of the plurality of branch pipes (302) are all fixedly connected to atomizing nozzles (303).

4. A dust removal device for coal mine safety according to claim 1, characterized in that: The dust reduction box (1) is provided with exhaust fan blades (7) inside the front and rear side walls, and a driving motor (8) is provided inside the two exhaust fan blades (7), and the output end of the driving motor (8) is drivingly connected to the exhaust fan blades (7).

5. A dust removal device for coal mine safety according to claim 4, characterized in that: Fixed brackets (9) are fixedly connected to both sides of the drive motor (8), and the fixed brackets (9) are fixedly connected to the dust suppression box (1).

6. A dust removal device for coal mine safety according to claim 1, characterized in that: A water storage tank (4) is fixedly connected to the surface of the dust reduction box (1).

7. A dust removal device for coal mine safety according to claim 1, characterized in that: An irradiation lamp (10) is fixedly connected to one side of the detection bracket (201).

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