Mining roadway dust adsorption and purification system

Abstract

The utility model discloses a mine roadway dust adsorption and purification system, which relates to the technical field of mine ventilation equipment and comprises a water supply component, a sedimentation component and a purification component. The water supply component comprises a water storage tank, a water supply pump and a spray head arranged in the inner space of the purification tank, the water supply pump is used for conveying water in the water storage tank to the spray head, the purification component comprises a purification tank and a negative pressure generator used for pumping out air in the purification tank, and the purification tank is provided with an air inlet and a sewage outlet; the settling part comprises a settling box arranged below the purifying box, the top of the settling box is provided with a sewage inlet for collecting sewage discharged by the purifying box, the top of the settling box is provided with a flocculant inlet, the lower part of the settling box is provided with a sludge discharge port, the sludge discharge port is provided with a valve, and the upper part of the settling box is provided with a first overflow port; and a water pump is arranged between the two ends of the water conveying pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of mine ventilation equipment, and particularly relates to a dust adsorption and purification system for mine roadways. Background Technique

[0002] During the operation in mine roadways, a large amount of dust will be generated, which will damage the lung function of construction workers. Therefore, it is necessary to design a dust adsorption and purification system in mine roadways. Content of the Utility Model

[0003] The purpose of the utility model is to provide a dust adsorption and purification system for mine roadways to solve the problems raised in the above background technique. To achieve the above purpose, the utility model provides the following technical solution: A dust adsorption and purification system for mine roadways includes a water supply component, a sedimentation component, and a purification component; the water supply component includes a water storage tank, a water supply pump, and a spray head arranged in the internal space of the purification tank, the water supply pump is used to convey the water in the water storage tank to the spray head, the purification component includes a purification tank and a negative pressure generator for extracting the air inside the purification tank, the purification tank is provided with an air inlet and a sewage discharge outlet, the sedimentation component includes a sedimentation tank arranged below the purification tank, the top of the sedimentation tank is provided with a sewage inlet to collect the sewage discharged from the purification tank, the top of the sedimentation tank is provided with a flocculant inlet, the lower part of the sedimentation tank is provided with a sludge discharge outlet, the sludge discharge outlet is provided with a valve, the upper part of the sedimentation tank is provided with a first overflow port, and the first overflow port is communicated with the inside of the water storage tank through a pipeline to convey water into the water storage tank.

[0004] Preferably, the sewage inlet is arranged at the front end of the sedimentation tank, the first overflow port is arranged at the rear end of the sedimentation tank, and a partition plate is arranged between the front end and the rear end of the sedimentation tank to divide the inner part of the sedimentation tank into a first sedimentation space and a second sedimentation space, and a second overflow port is arranged on the upper part of the partition plate to communicate the first sedimentation space and the second sedimentation space.

[0005] Preferably, the sedimentation component further includes a filter installed outside the sedimentation tank, the water inlet of the filter is communicated with the first overflow port, the water outlet of the filter is communicated with the inside of the water storage tank through a pipeline, and the filter is sequentially provided with multiple filter layers along the direction from the water inlet to the water outlet.

[0006] Preferably, the filter is sequentially provided with a first filter layer, a second filter layer, and a third filter layer along the direction from the water inlet of the filter to the water outlet of the filter, and the pore diameters of the first filter layer, the second filter layer, and the third filter layer decrease in sequence.

[0007] Preferably, the water supply component further includes a flocculant adder, which is used to be installed on the top of the sedimentation tank to add flocculant into the inner space of the sedimentation tank through the flocculant inlet.

[0008] Preferably, a plurality of legs are installed at the bottom of the purification tank to support the purification tank away from the ground.

[0009] Preferably, the mine roadway dust adsorption and purification system further includes a protective cover, which is used to enclose and form a protective space for accommodating the negative pressure generator. The protective cover is formed with a ventilation port so that the air outlet of the negative pressure generator can exhaust to the external space.

[0010] Preferably, the sedimentation tank includes a tank body main body and a cover plate. The tank body main body is open at the top, and the cover plate is used to be installed at the opening to close the opening.

[0011] Preferably, a first filter screen is installed at the air inlet.

[0012] Preferably, a plurality of spray heads are provided.

[0013] The utility model at least has the following beneficial effects:

[0014] 1. For the mine roadway dust adsorption and purification system provided by the utility model, by setting the sedimentation tank, when the system operates, flocculant is added into the sedimentation tank. The dust in the sewage settles in the sedimentation tank to form sludge and accumulates at the bottom of the sedimentation tank. The clean water after removing the dust enters the water storage tank through the first overflow port, thereby recycling water resources and achieving the beneficial effect of saving water.

[0015] 2. For the mine roadway dust adsorption and purification system provided by the utility model, by setting the partition plate, the inner part of the sedimentation tank is divided into a first sedimentation space and a second sedimentation space, so that the sewage in the sedimentation tank can be precipitated twice, improving the precipitation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 is a top view of the utility model;

[0018] Figure 3 is a front view of the utility model;

[0019] Figure 4 is a front view of the sedimentation tank;

[0020] Figure 5 is a schematic diagram of the internal structure of the sedimentation tank.

[0021] In the figure: 1 - purification tank; 11 - air inlet; 2 - water storage tank; 3 - sedimentation tank; 31 - sewage inlet; 32 - first overflow port; 33 - second overflow port; 34 - partition board; 35 - cover plate; 36 - main body of the tank; 4 - protective cover; 5 - filter; 6 - flocculant adder. Specific implementation mode

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1-5 , the present invention provides a technical solution: a dust adsorption and purification system for a mine roadway, including a water supply component, a sedimentation component and a purification component; the water supply component includes a water storage tank 2, a water supply pump and a spray head arranged in the internal space of the purification tank 1, the water supply pump is used to convey the water in the water storage tank 2 to the spray head, the purification component includes a purification tank 1 and a negative pressure generator for extracting the air inside the purification tank 1, the purification tank 1 is provided with an air inlet 11 and a sewage discharge port, the sedimentation component includes a sedimentation tank 3 arranged below the purification tank 1, the top of the sedimentation tank 3 is provided with a sewage inlet 31 to collect the sewage discharged from the purification tank 1, the top of the sedimentation tank 3 is provided with a flocculant inlet, the lower part of the sedimentation tank 3 is provided with a sludge discharge port, the sludge discharge port is provided with a valve, the upper part of the sedimentation tank 3 is provided with a first overflow port 32, the first overflow port 32 is internally communicated with the water storage tank 2 through a water pipe, and a water pump is arranged between the two ends of the water pipe. When the dust adsorption and purification system for the mine roadway is closed, the sludge discharge port can be opened to discharge the sludge in the sedimentation tank 3; in this embodiment, the water storage tank 2 is provided with a water source inlet, and the water source inlet is provided with a valve. When it is necessary to replenish water to the water storage tank 2, the construction personnel can connect the water source inlet with an external water source through a water pipe to replenish water to the water storage tank 2.

[0024] Preferably, the sewage inlet 31 is arranged at the front end of the sedimentation tank 3, and the first overflow port 32 is arranged at the rear end of the sedimentation tank 3. A partition plate 34 is arranged between the front end and the rear end of the sedimentation tank 3 to divide the interior of the sedimentation tank 3 into a first sedimentation space and a second sedimentation space. A second overflow port 33 is arranged above the partition plate 34 to communicate the first sedimentation space and the second sedimentation space. By arranging the partition plate 34 to divide the interior of the sedimentation tank 3 into a first sedimentation space and a second sedimentation space, the sewage in the sedimentation tank 3 can be precipitated twice, improving the precipitation efficiency.

[0025] Preferably, the sedimentation component further includes a filter 5 installed outside the sedimentation tank 3. The water inlet of the filter 5 is communicated with the first overflow port 32, and the water outlet of the filter 5 is communicated with the interior of the water storage tank 2 through a pipeline. The filter 5 is sequentially provided with multiple filter layers along the direction from the water inlet to the water outlet. By arranging the filter 5, it is possible to prevent the sludge particles in the sedimentation tank 3 from floating up and flowing through the first overflow port 32 with the water flow, thus polluting the water source in the water storage tank 2.

[0026] Preferably, the filter 5 is sequentially provided with a first filter layer, a second filter layer and a third filter layer along the direction from the water inlet of the filter 5 to the water outlet of the filter 5, and the pore diameters of the first filter layer, the second filter layer and the third filter layer decrease in sequence. In this embodiment, the thicknesses of the first filter layer, the second filter layer and the third filter layer decrease in sequence. The first filter layer is a gravel filter layer, the second filter layer is a charcoal filter layer, and the third filter layer is a sand filter layer.

[0027] Preferably, the water supply component further includes a flocculant adder 6, and the flocculant adder 6 is used to be installed on the top of the sedimentation tank 3 to add flocculant into the internal space of the sedimentation tank 3 through the flocculant inlet. In this embodiment, there are two flocculant inlets, one of the flocculant inlets is communicated with the first sedimentation space, and the other flocculant inlet is communicated with the second sedimentation space.

[0028] Preferably, multiple legs are installed at the bottom of the purification tank 1 to support the purification tank 1 away from the ground. In this embodiment, four legs are installed at the bottom of the purification tank 1.

[0029] Preferably, the mine roadway dust adsorption and purification system further includes a protective cover 4. The protective cover 4 is used to enclose and form a protective space for accommodating the negative pressure generator. The protective cover 4 is formed with a ventilation port so that the air outlet of the negative pressure generator can exhaust to the external space. In this embodiment, the negative pressure generator is a negative pressure pump. The air suction port of the negative pressure pump is communicated with the internal space of the purification tank 1, and the air outlet of the negative pressure pump is communicated with the external space of the purification tank 1. The protective cover 4 is provided to protect the negative pressure pump to prevent the negative pressure pump from being damaged by collision.

[0030] Preferably, the sedimentation tank 3 includes a tank body main body 36 and a cover plate 35. The tank body main body 36 is open at the top, and the cover plate 35 is used to be installed at the opening to close the opening. When the mine roadway dust adsorption and purification system is shut down, construction workers can open the cover plate 35 to clean the internal space of the sedimentation tank 3.

[0031] Preferably, a first filter screen is installed at the air inlet 11. The first filter screen is provided to prevent debris such as gravel from falling into the internal space of the purification tank 1 and causing blockage of the pipeline of the mine roadway dust adsorption and purification system.

[0032] Preferably, a plurality of nozzles are provided. In this embodiment, the nozzles are atomizing nozzles. The water inlet of the water supply pump is communicated with the internal space of the water storage tank 2 through a water inlet pipeline, and the water outlet of the water supply pump is communicated with the water inlets of the respective nozzles through a water delivery pipeline.

[0033] The usage method and working principle of this system: The negative pressure generator extracts the air inside the purification tank 1, so that a negative pressure is formed in the internal space of the purification tank 1. The external air with dust enters the internal space of the purification tank 1 through the air inlet 11. The water supply pump extracts the water source inside the water storage tank 2 and sprays it inside the purification tank 1 through the nozzles to adsorb and remove the dust in the air inside the purification tank 1. The sewage with dust is discharged from the purification tank 1 through the sewage discharge port, and then enters the sedimentation tank 3 through the sewage inlet 31. Construction workers add a flocculant into the sedimentation tank 3 through the flocculant inlet. The dust in the sewage flocculates and settles at the bottom of the sedimentation tank 3. The clean water in the upper part of the sedimentation tank 3 is input into the water storage tank 2 through the overflow port, so as to recycle the water resources and achieve the purpose of saving water.

[0034] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust adsorption and purification system for mine roadways, characterized in that: It includes a water supply component, a sedimentation component and a purification component; the purification component includes a purification tank and a negative pressure generator for extracting the air inside the purification tank. The purification tank is provided with an air inlet and a sewage discharge outlet. The water supply component includes a water storage tank, a water supply pump and a spray head arranged in the internal space of the purification tank. The water supply pump is used to transport the water in the water storage tank to the spray head. The sedimentation component includes a sedimentation tank arranged below the purification tank. The top of the sedimentation tank is provided with a sewage inlet to collect the sewage discharged from the purification tank. The top of the sedimentation tank is provided with a flocculant inlet. The lower part of the sedimentation tank is provided with a sludge discharge outlet. A valve is arranged at the sludge discharge outlet. The upper part of the sedimentation tank is provided with a first overflow port. The first overflow port is internally communicated with the water storage tank through a water pipe. A water pump is arranged between the two ends of the water pipe; the sewage inlet is arranged at the front end of the sedimentation tank. The first overflow port is arranged at the rear end of the sedimentation tank. A partition plate is arranged between the front end and the rear end of the sedimentation tank to divide the internal part of the sedimentation tank into a first sedimentation space and a second sedimentation space. A second overflow port is arranged on the upper part of the partition plate to communicate the first sedimentation space and the second sedimentation space, so as to precipitate the sewage in the sedimentation tank twice and improve the sedimentation efficiency.

2. The dust adsorption and purification system for mine roadways according to claim 1, wherein: The sedimentation component further includes a filter installed outside the sedimentation tank. The water inlet of the filter is communicated with the first overflow port. The water outlet of the filter is internally communicated with the water storage tank through a pipeline. The filter is sequentially provided with multiple filter layers along the direction from the water inlet to the water outlet of the filter.

3. The dust adsorption and purification system for mine roadway according to claim 2, wherein: The filter is sequentially provided with a first filter layer, a second filter layer and a third filter layer along the direction from the water inlet to the water outlet of the filter. The pore diameters of the first filter layer, the second filter layer and the third filter layer decrease in sequence.

4. The dust adsorption and purification system for mine roadway according to claim 3, characterized in that: The water supply component further includes a flocculant adder, which is used to be installed on the top of the sedimentation tank to add flocculant into the internal space of the sedimentation tank through the flocculant inlet.

5. A mine roadway dust adsorption and purification system according to claim 3, characterized in that: Multiple legs are installed at the bottom of the purification tank to support the purification tank away from the ground.

6. The dust adsorption and purification system for mine roadways according to claim 1, wherein: It further includes a protective cover, which is used to enclose and form a protection space for accommodating the negative pressure generator. The protective cover is formed with a ventilation port so that the air outlet of the negative pressure generator can exhaust to the external space.

7. The dust adsorption and purification system for mine roadway according to claim 1, wherein: The sedimentation tank includes a box body main body and a cover plate. The box body main body is open at the top. The cover plate is used to be installed at the opening to close the opening.

8. The dust adsorption and purification system for a mine roadway according to claim 1, characterized in that: A first filter screen is installed at the air inlet.

9. The mine roadway dust adsorption and purification system according to claim 8, wherein: Multiple spray heads are provided.

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