Dust removal device for mining equipment exploitation

Abstract

The invention relates to the technical field of dust removal for mining, in particular to a dust removal device for mining equipment mining, which comprises a hedging assembly for changing the gas direction, the hedging assembly comprises a rotating cavity arranged in a separation tank, and two groups of symmetrically arranged limiting grooves are formed in the inner top surface of the rotating cavity. A plurality of sets of exhaust ports are formed in the outer surface of the rotating cavity at equal intervals in a surrounding mode, a sealing block is arranged in the rotating cavity, a plurality of sets of driving blades are installed on the surface of the sealing block at equal intervals, a vertical rod is fixedly installed at the upper end of the sealing block, and two sets of round rods are symmetrically installed on the lower surface of the rotating cavity; and the lower ends of the two groups of round rods are fixedly connected with fan blades, and the fan blades are rotationally arranged on the surface of the air inlet pipeline in a sleeving manner. Through cooperative use of all parts, airflow opposite impact can be achieved, the collision frequency of dust particles is improved, and therefore the dust removal efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of dust removal for mine exploitation, and specifically to a dust removal device for mine equipment exploitation. Background Art

[0002] A mine refers to an industrial site for exploiting metal, non-metal and other mineral resources through open-pit or underground operations. Its exploitation process involves blasting, crushing, transportation and other links. In mine operations, mechanical vibration and material collision will generate a large amount of suspended dust. Therefore, it is necessary to treat the generated dust to avoid environmental pollution.

[0003] The Chinese invention patent with the publication number of CN112473286B discloses a dust removal device for mine equipment exploitation. Through the coordinated use of various parts, the first motor works to drive the L-shaped air duct and the air guide hopper to swing, so as to widely contact the air. While the collecting air duct rotates, it drives the fan blades to swing to accelerate the air flow. And when the collecting air duct rotates, it will drive the first air outlet pipe thereon to swing, so as to disperse the bubbles, which is beneficial to the dust in the bubbles to dissolve in water. The air intake range is large, the dust removal is more comprehensive, and the dust removal effect is good and the dust removal efficiency is high.

[0004] However, the above dust removal device adopts the method of unidirectional air flow guidance, and its single-direction air flow path is difficult to construct a flow field distribution covering the entire space. Especially for the mixed dust with a wide diffusion range and a large particle size span, it causes the dust in the gas to fail to settle effectively, resulting in secondary pollution of the environment. Summary of the Invention

[0005] The purpose of the present invention is to provide a dust removal device for mine equipment exploitation, so as to solve the problem in the prior art of the traditional dust removal technology that due to the unidirectional air flow path, it is difficult to form a full-space coverage flow field, and it is impossible to effectively settle the mixed dust with a wide diffusion range and a large particle size span, resulting in secondary pollution as mentioned in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A dust removal device for mine equipment exploitation, including a separation tank, and a discharge port is opened on the inner bottom surface of the separation tank. The lower end of the separation tank is connected to an air intake pipe, and the air intake pipe is arranged at the central position of the separation tank. A filter screen is clamped inside the separation tank; It further includes a counterflush component for changing the gas direction. The counterflush component includes a rotating cavity provided inside the separation tank. Two groups of symmetrically arranged limiting grooves are provided on the inner top surface of the rotating cavity. A plurality of groups of exhaust ports are equidistantly arranged around the outer surface of the rotating cavity. A sealing block is provided inside the rotating cavity. A plurality of groups of driving blades are equidistantly installed on the surface of the sealing block. A vertical rod is fixedly installed at the upper end of the sealing block. Two circular rods are symmetrically installed on the lower surface of the rotating cavity. The lower ends of the two circular rods are fixedly connected to a fan blade, and the fan blade is rotatably sleeved on the surface of the intake pipe.

[0007] Further, an opening and closing door is provided on the surface of the separation tank, and a water injection port is communicated with the upper end of the separation tank.

[0008] Further, the lower end of the rotating cavity is rotatably connected to the upper end of the intake pipe, and the rotating cavity is communicated with the intake pipe.

[0009] Further, the sealing block has an inverted conical structure, and the sealing block is provided at the communication part between the rotating cavity and the intake pipe.

[0010] Further, the upper end of the vertical rod passes through the inside of the rotating cavity and extends to the outside. Two groups of limiting blocks are symmetrically installed on the surface of the vertical rod. The limiting blocks are initially located directly below the limiting grooves, and the limiting blocks are in plug-in fit with the limiting grooves.

[0011] Further, it further includes a water mist component for dust reduction. The water mist component includes a water spraying cavity provided above the rotating cavity. A matching groove is provided on the inner top surface of the water spraying cavity. A convex block is provided inside the water spraying cavity, and the lower end of the convex block is fixedly connected to the upper end of the vertical rod. A plug rod is fixedly installed at the upper end of the convex block. Cross bars are symmetrically installed on the surface of the convex block, and a sealing ring is fixedly connected to the end of the cross bar.

[0012] Further, the inside of the water spraying cavity is communicated with the water injection port, and the water spraying cavity is sleeved on the surface of the vertical rod. The plug rod is located directly below the matching groove, and the plug rod is in plug-in fit with the matching groove.

[0013] Further, it further includes a cleaning member for scraping the inner wall of the filter screen. The cleaning member includes a rotating ring rotatably sleeved on the surface of the intake pipe. Two groups of symmetrically arranged scraping plates are fixedly installed on the surface of the rotating ring, and the scraping plates are in contact with the inner bottom surface of the separation tank. Cleaning strips are fixedly connected to the mutually remote ends of the two scraping plates. The cleaning strips are spirally arranged, and one side of the cleaning strip is in contact with the inner wall of the filter screen.

[0014] Further, the rotating ring is located directly below the fan blade, and the rotating ring is fixedly connected to the lower end of the fan blade through a connecting rod.

[0015] The technical solution provided by the present invention has the following beneficial effects compared with the known prior art: 1. By means of the cooperating components such as the rotating cavity, driving blades and fan blades provided in the present invention, when gas is introduced from one end of the intake pipe, it will first act on the lower surface of the sealing block and lift it up, so that the limiting block enters the inside of the limiting groove. At the same time, the gas will act on the driving blades under the action of the lower surface of the sealing block, causing the driving blades to drive the sealing block to start rotating, and driving the rotating cavity to start rotating through the cooperation of the vertical rod and the limiting block, so that the gas can be ejected from the exhaust port. While the rotating cavity rotates, it will drive the fan blades to rotate, so that the gas can flow from bottom to top and collide with the gas discharged from the exhaust port, improving the dust removal efficiency.

[0016] 2. By means of the cooperating components such as the water spraying cavity, inserting rods and sealing rings provided in the present invention, during the rising process of the vertical rod, it will drive the convex block to rise synchronously, and drive the inserting rod fixedly installed at its end to insert into the inside of the mating groove, so that the water spraying cavity can rotate synchronously with the rotating cavity. At the same time, the convex block will also drive the sealing ring to rise synchronously through the symmetrically installed cross bars on the surface, opening the outlet of the water spraying cavity, so that the water spraying cavity sprays water mist during rotation, realizing the function of dust reduction.

[0017] 3. By means of the cooperating components such as the rotating ring, scraping plate and cleaning strip provided in the present invention, they can rotate synchronously under the drive of the fan blades, so that the cleaning strip can continuously scrape the water and dust mixture deposited on the inner wall of the filter screen and concentrate the mixture on the inner bottom surface of the separation tank. At the same time, the scraping plate will also rotate on the inner bottom surface of the separation tank to prevent the mixture from sticking to the inner bottom surface of the separation tank, facilitating subsequent cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the separation tank of the present invention; Figure 3 It is a schematic diagram of the overall structure of the counter - impact assembly of the present invention; Figure 4 It is a schematic diagram of the structural cooperation between the counter - impact assembly and the water mist assembly of the present invention; Figure 5 It is Figure 4 The enlarged schematic diagram of the structure at A in Figure 6 It is a schematic diagram of the internal structure of the rotating cavity of the present invention; Figure 7 For Figure 4 Schematic enlarged view of the structure at position B in the figure; Figure 8 Schematic diagram of the overall structure of the water mist component of the present invention; Figure 9 Schematic diagram of the overall structure of the cleaning member of the present invention.

[0020] In the figure: 1, separation tank; 101, opening and closing door; 102, water injection port; 2, intake pipeline; 3, filter screen; 4, counterflush component; 401, rotating cavity; 4011, limiting groove; 402, exhaust port; 403, sealing block; 404, driving blade; 405, vertical rod; 4051, limiting block; 406, round rod; 407, fan blade; 5, water mist component; 501, water spraying cavity; 5011, mating groove; 502, convex block; 503, inserting rod; 504, cross bar; 505, sealing ring; 6, cleaning member; 601, rotating ring; 602, scraping plate; 603, cleaning strip. Specific embodiments

[0021] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, of the embodiments of the present invention. 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.

[0022] The present invention will be further described below with reference to the embodiments.

[0023] Embodiment: A dust removal device for mining equipment in a mine, as Figures 1 - 9 shown, includes a separation tank 1, and a discharge port is provided on the inner bottom surface of the separation tank 1. An opening and closing door 101 is provided on the surface of the separation tank 1. By setting the opening and closing door 101, the purpose of cleaning the inside of the separation tank 1 can be achieved by controlling its opening and closing; it should be noted that the opening and closing door 101 and the separation tank 1 are sealed by a sealing strip to ensure the airtightness of the separation tank 1; the upper end of the separation tank 1 is connected to a water injection port 102, and the upper end of the water injection port 102 is connected to a water supply source for conveying water for dust reduction. Among them, an intake pipe 2 is connected to the lower end of the separation tank 1, and the intake pipe 2 is arranged at the central position of the separation tank 1. The lower end of the intake pipe 2 is connected to a primary filter, which is a prior art and not shown in the figure. The primary filter can pre-treat the dust generated during the mining process and filter out large particle dust; a filter screen 3 is clamped inside the separation tank 1, and the filter screen 3 can perform secondary filtration on the preliminarily filtered gas to achieve the purpose of secondary dust removal; it should be noted that the filter screen 3 is modularly arranged and can be quickly spliced and disassembled for subsequent replacement and cleaning.

[0024] Combined with Figures 1 - 9 , it also includes a counter-flush component 4 for changing the gas direction, so that the gas with dust can collide, increasing the collision frequency of dust particles and improving the dust removal efficiency; the counter-flush component 4 includes a rotating cavity 401 arranged inside the separation tank 1. The lower end of the rotating cavity 401 is rotatably connected to the upper end of the intake pipe 2, and the rotating cavity 401 is communicated with the intake pipe 2. A plurality of groups of exhaust ports 402 are equidistantly arranged around the outer surface of the rotating cavity 401. The exhaust ports 402 are inclined. By arranging the rotating cavity 401 and the exhaust ports 402, rotation can be carried out at the upper end of the intake pipe 2 so that the gas can be sprayed out rotatably from the inside of the exhaust ports 402; it should be noted that the lower surface of the rotating cavity 401 is of a concave structure so that when the subsequent air flow acts on the lower surface of the rotating cavity 401, the air flow can be diffused again; two groups of symmetrically arranged limiting grooves 4011 are opened on the inner top surface of the rotating cavity 401. By arranging the limiting grooves 4011, a guiding and limiting effect can be achieved. Among them, a sealing block 403 is arranged inside the rotating cavity 401. The sealing block 403 is in an inverted conical structure, and the sealing block 403 is arranged at the connection between the rotating cavity 401 and the intake pipe 2. By arranging the sealing block 403, the connection between the rotating cavity 401 and the intake pipe 2 can be sealed; it should be noted that by setting the lower end of the sealing block 403 to be conical, the gas can be quickly dispersed, increasing the acting area of the gas. When the gas is introduced from the inside of the intake pipe 2, the sealing block 403 can be lifted; a plurality of groups of driving blades 404 are equidistantly installed on the surface of the sealing block 403. By arranging the driving blades 404, when the sealing block 403 is lifted by the air flow, the dispersed air flow will act on the driving blades 404, causing the driving blades 404 to drive the sealing block 403 to rotate.

[0025] Among them, a vertical rod 405 is fixedly installed at the upper end of the sealing block 403. The upper end of the vertical rod 405 passes through the inside of the rotating cavity 401 and extends to the outside. By setting the vertical rod 405, it can play a role in guiding and limiting, ensuring that the sealing block 403 can rise and fall normally; two groups of limiting blocks 4051 are symmetrically installed on the surface of the vertical rod 405. In the initial state, the limiting blocks 4051 are located directly below the limiting grooves 4011, and the limiting blocks 4051 are in plug-in fit with the limiting grooves 4011. By setting the limiting blocks 4051, and through the plug-in fit between them and the limiting grooves 4011, when the driving blade 404 rotates under the action of air flow, the rotating cavity 401 can be driven to rotate synchronously through the vertical rod 405 and the limiting blocks 4051, so that the gas can be ejected from the rotating exhaust port 402. Among them, two groups of round rods 406 are symmetrically installed on the lower surface of the rotating cavity 401. By setting the round rods 406, it can play a role in connection and can also rotate synchronously with the rotating cavity 401; the lower ends of the two groups of round rods 406 are fixedly connected with fan blades 407, and the fan blades 407 are rotatably sleeved on the surface of the intake pipe 2. By setting the fan blades 407, they can rotate synchronously with the rotating cavity 401, blowing the air flow below upward, increasing the collision frequency of dust in the gas, and improving the dust removal efficiency; it should be noted that during the rotation of the fan blades 407, only the air flow will be blown upward.

[0026] Combined Figures 1 - 9 with the above, it further includes a water mist assembly 5 for dust reduction, which can spray water mist at the inner top of the separation tank 1 to improve the dust removal efficiency; the water mist assembly 5 includes a water spraying cavity 501 arranged above the rotating cavity 401. The inside of the water spraying cavity 501 is communicated with the water injection port 102, and the water spraying cavity 501 is sleeved on the surface of the vertical rod 405. By setting the water spraying cavity 501, it can store the water source for dust reduction; it should be noted that a plurality of water spraying ports communicated with its inside are equidistantly arranged on the surface of the water spraying cavity 501, so that the water source inside the water spraying cavity 501 can be ejected to form water mist, playing a role in dust reduction. Among them, a mating groove 5011 is formed on the inner top surface of the water spraying cavity 501. By providing the mating groove 5011, it can be inserted and mated with other components; a convex block 502 is provided inside the water spraying cavity 501, and the lower end of the convex block 502 is fixedly connected to the upper end of the vertical rod 405. By providing the convex block 502, it can move synchronously with the vertical rod 405; a plug rod 503 is fixedly installed at the upper end of the convex block 502. The plug rod 503 is located directly below the mating groove 5011, and the plug rod 503 is inserted and mated with the mating groove 5011. By providing the plug rod 503, it can move synchronously with the convex block 502 and can be inserted and mated with the mating groove 5011, so that when the vertical rod 405 rotates, it can drive the water spraying cavity 501 to rotate synchronously; cross rods 504 are symmetrically installed on the surface of the convex block 502, and a sealing ring 505 is fixedly connected to the end of the cross rod 504. By providing the cross rods 504 and the sealing ring 505, when the convex block 502 moves upward, it will drive the sealing ring 505 to rise through the cross rods 504, opening the water spraying holes formed on the surface of the water spraying cavity 501, so as to achieve the purpose of dust reduction; it should be noted that the water spraying holes are sealed in the initial state of the vertical rod 405.

[0027] Combined Figure 1 with Figure 9 , it further includes a cleaning member 6 for scraping the inner wall of the filter screen 3, so that the mixture of water mist and dust adhering to the inner wall of the filter screen 3 can be scraped off, avoiding the blockage of the filter screen 3 and prolonging the service life of the filter screen 3; the cleaning member 6 includes a rotating ring 601 rotatably sleeved on the surface of the intake pipe 2. The rotating ring 601 is located directly below the fan blade 407, and the rotating ring 601 is fixedly connected to the lower end of the fan blade 407 through a connecting rod. By providing the rotating ring 601, it can rotate synchronously under the action of the fan blade 407; two groups of symmetrically arranged scraping plates 602 are fixedly installed on the surface of the rotating ring 601, and the scraping plates 602 are in contact with the inner bottom surface of the separation tank 1. By providing the scraping plates 602, they can continuously rotate on the inner bottom surface of the separation tank 1 to stir the mixture of dust and water mist accumulated on the inner bottom surface of the separation tank 1, avoiding sticking to the inner bottom surface of the separation tank 1 and affecting subsequent cleaning; Among them, cleaning strips 603 are fixedly connected to the mutually remote ends of the two groups of scraping plates 602. The cleaning strips 603 are spirally arranged, and one side of the cleaning strips 603 is in contact with the inner wall of the filter screen 3. By providing the cleaning strips 603, when the scraping plates 602 rotate, they can rotate synchronously to scrape the mixture of water mist and dust falling on the inner wall of the filter screen 3; it should be noted that by spirally arranging the filter screen 3, when the cleaning strips 603 rotate clockwise, the scraped mixture can be concentrated on the inner bottom surface of the separation tank 1, facilitating subsequent centralized cleaning.

[0028] Specifically, when the device is in use, the gas with dust is first filtered by the primary filtering device, and then introduced from the lower end of the intake pipe 2 and acts on the lower surface of the sealing block 403, so that the sealing block 403 drives the vertical rod 405 to rise synchronously, and the limiting block 4051 enters the inside of the limiting groove 4011. When the sealing block 403 is lifted by the air flow, the air flow will enter the inside of the rotating cavity 401 and act on the driving blade 404, so that the driving blade 404 can drive the sealing block 403 to rotate. At the same time, through the cooperation of the limiting block 4051 and the limiting groove 4011, the rotating cavity 401 also starts to rotate, and the gas is discharged in a rotating manner. When the rotating cavity 401 rotates, it will drive the fan blade 407 to rotate synchronously through the round rod 406, so that the air flow below the inside of the separation tank 1 flows upward under the action of the fan blade 407 and collides with the air flow discharged at the exhaust port 402, increasing the collision frequency of dust particles, thereby improving the dust removal efficiency; While the vertical rod 405 is rising, it will drive the insertion rod 503 installed at the upper end of the convex block 502 to move synchronously and enter the inside of the mating groove 5011 to form an insertion connection. At the same time, the convex block 502 will also drive the sealing ring 505 that seals the water spray port to move upward synchronously through the cross bar 504, so that while the water spray cavity 501 rotates, it sprays water mist to settle the dust in the air flow; and while the fan blade 407 rotates, it will drive the rotating ring 601 to rotate synchronously, and the rotating rotating ring 601 will drive the cleaning strip 603 and the cleaning strip 603 to rotate synchronously, so that the cleaning strip 603 scrapes the mixture of water mist and dust on the inner wall of the filter screen 3 and concentrates it on the inner bottom surface of the separation tank 1. At the same time, in cooperation with the rotating scraper 602, it is ensured that the mixture will not adhere to the inner bottom surface of the separation tank 1, facilitating subsequent cleaning.

[0029] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A dust removal device for mining equipment, comprising a separation tank (1), wherein the inner bottom surface of the separation tank (1) is provided with a discharge port, characterized in that: The lower end of the separation tank (1) is connected to an air intake pipe (2), and the air intake pipe (2) is arranged at the center of the separation tank (1). A filter screen (3) is clamped inside the separation tank (1); The invention also comprises a counter-pressure component (4) for changing the direction of gas, wherein the counter-pressure component (4) comprises a rotating chamber (401) arranged inside the separation tank (1), the internal top surface of the rotating chamber (401) is provided with two groups of symmetrically arranged limiting grooves (4011), the outer surface of the rotating chamber (401) is provided with multiple groups of exhaust ports (402) equidistantly arranged around, the interior of the rotating chamber (401) is provided with a sealing block (403), the surface of the sealing block (403) is provided with multiple groups of driving blades (404) equidistantly arranged, the upper end of the sealing block (403) is fixedly provided with a vertical rod (405), the lower surface of the rotating chamber (401) is symmetrically provided with two groups of round rods (406), the lower ends of the two groups of round rods (406) are fixedly connected with fan blades (407), and the fan blades (407) are rotatably sleeved on the surface of the air intake pipe (2).

2. A dust removal device for mining equipment according to claim 1, characterized in that: An opening and closing door (101) is provided on the surface of the separation tank (1), and the upper end of the separation tank (1) is connected to a water injection port (102).

3. A dust removal device for mining equipment according to claim 1, characterized in that: The lower end of the rotating chamber (401) is rotatably connected to the upper end of the air intake pipe (2), and the rotating chamber (401) is in communication with the air intake pipe (2).

4. A dust removal device for mining equipment according to claim 1, characterized in that: The sealing block (403) has an inverted cone-shaped structure, and is arranged at the connection point between the rotating chamber (401) and the air intake pipe (2).

5. A dust removal device for mining equipment according to claim 3, characterized in that: The upper end of the vertical rod (405) passes through the interior of the rotating cavity (401) and extends to the outside. Two groups of limit blocks (4051) are symmetrically installed on the surface of the vertical rod (405). In the initial state, the limit blocks (4051) are arranged directly below the limit grooves (4011), and the limit blocks (4051) are plug-fitted into the limit grooves (4011).

6. A dust removal device for mining equipment according to claim 1, characterized in that: It also comprises a water mist assembly (5) for dust reduction, the water mist assembly (5) comprising a water spray chamber (501) arranged above the rotating chamber (401), a matching groove (5011) being provided on the inner top surface of the water spray chamber (501), a convex block (502) being provided inside the water spray chamber (501), the lower end of the convex block (502) being fixedly connected to the upper end of the vertical rod (405), an insertion rod (503) being fixedly mounted on the upper end of the convex block (502), a cross bar (504) being symmetrically mounted on the surface of the convex block (502), and a sealing ring (505) being fixedly connected to the end of the cross bar (504).

7. A dust removal device for mining equipment according to claim 6, characterized in that: The interior of the water spray chamber (501) is connected to the water injection port (102), and the water spray chamber (501) is sleeved on the surface of the vertical rod (405). The insertion rod (503) is arranged directly below the matching groove (5011), and the insertion rod (503) and the matching groove (5011) are plugged and matched.

8. The dust removal device for mining equipment according to claim 1, characterized in that: It also comprises a cleaning member (6) for scraping the inner wall of the filter screen (3), the cleaning member (6) comprising a rotating ring (601) rotatably sleeved on the surface of the air inlet pipe (2), two groups of symmetrically arranged scrapers (602) being fixedly mounted on the surface of the rotating ring (601), the scrapers (602) being in contact with the inner bottom surface of the separation tank (1), and cleaning strips (603) being fixedly connected to the ends of the two groups of scrapers (602) that are away from each other, the cleaning strips (603) being spirally arranged, and one side of the cleaning strips (603) being in contact with the inner wall of the filter screen (3).

9. A dust removal device for mining equipment according to claim 8, characterized in that: The rotating ring (601) is arranged directly below the fan blade (407), and the rotating ring (601) is fixedly connected to the lower end of the fan blade (407) via a connecting rod.

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