CN114687784A

CN114687784A - Mine dust removal device and mine dust removal method thereof

Info

Publication number: CN114687784A
Application number: CN202210151350.2A
Authority: CN
Inventors: 康建雄; 李新宽; 党愔
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-07-01

Abstract

The invention discloses a mine dust removal device, which comprises a spray head for spraying water mist and a bracket for mounting the spray head, wherein the bracket comprises a circular bearing platform which is rotatably arranged, the upper surface of the bearing platform is provided with a plurality of sliding grooves, the back of the spray head is fixedly connected with a wedge-shaped plate extending out of the back of the spray head, the thinner side of the wedge-shaped plate is fixedly connected to the back of the spray head, and the surface of the thicker side of the wedge-shaped plate is contacted with one end of a push rod; the other end of the driving rod is installed in each groove in a moving fit mode, one section of the driving rod extending into the barrel is supported by the bottom of the driving rod through a jacking spring, one end of the jacking spring is fixedly connected to the edge of the groove bottom of the sliding groove close to one side of the center of the bearing platform, and the steel cylinder fixedly connected to the other end of the driving rod is in extrusion contact with the outer side wall of the driving rod. The invention can flexibly adjust the pitching height of the spray head, is suitable for various dust removal requirements, and realizes three-dimensional multi-dimensional dust removal.

Description

Mine dust removal device and mine dust removal method thereof

Technical Field

The invention relates to the technical field of mine dust removal, in particular to a mine dust removal device and method.

Background

Dust pollution is always a troublesome problem in the mining process, and in the mining process, ores need to be crushed, lifted, dry separated, screened, transported and the like. The ore in the processes is long in conveying distance and large in conveying fall, the extrusion strength in equipment is high or the vibration frequency is high, and due to the combined action of factors such as mechanical transmission kinetic energy, fall potential energy, natural wind power or induced wind power and the like in the process, a large amount of fine dust can be generated, so that the air quality of an operation area and the surrounding environment of the operation area is reduced, occupational diseases such as silicosis, coal lung, graphite lung, asbestos lung and the like are caused, the physical health and life safety of workers are harmed, machinery equipment can be damaged, various accidents are caused, and the economic benefits of production and enterprises are influenced. Therefore, the problem of dust pollution generated in the operation process is emphasized and measures are taken for prevention and treatment, the existing dust removal methods mainly comprise a closed dust removal method, a cloth bag dust removal method, an electric dust removal method and a water spray dust removal method, wherein for water spray dust removal, water is used as a dust removal medium, the realization is easy, the dust removal range is wide, accurate dust removal can be realized by changing the positions of a water pipe and a spray head, in the existing equipment, generally, equipment such as a water cannon and the like which is fixedly installed carries out water spray dust removal, the directions of water spray and mist spray are difficult to rapidly and swiftly adjust, dust removal in various directions cannot be accurately and timely carried out, the flexibility of work is insufficient, and the adaptability is insufficient.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the mine dust removal device and the mine dust removal method are provided for overcoming the defects, and the problems that in the prior art, the dust removal direction and the dust removal range are difficult to accurately and rapidly adjust, and the coverage range is not comprehensive enough are solved.

In order to achieve the purpose, the invention provides the following technical scheme: the invention provides a mine dust removal device, which comprises a spray head for spraying water mist and a bracket for mounting the spray head, wherein the bracket comprises a circular bearing platform which is rotatably arranged, the upper surface of the bearing platform is provided with a plurality of sliding chutes, each sliding chute is arranged along the radial direction of the bearing platform, all the sliding chutes are arranged on the bearing platform in an annular array manner, each sliding chute is rotatably provided with a driving rod in a V-shaped structure, the corner end of the bottom of the driving rod is rotatably arranged in the sliding chute, and one end of the driving rod extends out of the outer side above the bearing platform and is fixedly connected with the spray head;

a cylinder is fixedly connected above the center of the bearing platform, a piston plate is arranged above the interior of the cylinder in a sliding fit manner, the bottom surface of the piston plate is provided with a plurality of grooves, the other end of the driving rod is arranged in each groove in a moving fit manner, one section of the driving rod extending into the cylinder is supported by a supporting spring at the position close to the bottom of the cylinder, one end of the supporting spring is fixedly connected to the edge of the bottom of the groove at one side of the sliding groove close to the center of the bearing platform, and a steel cylinder fixedly connected to the other end of the supporting spring is in extrusion contact with the outer side wall of the driving rod; the center of the bottom of the piston plate is connected with the small end of a conical spring, the large end of the conical spring is connected to the inner bottom surface of the cylinder body, and the conical spring is always kept in a compressed state; the upper part of the bearing platform is connected with the bottom end of an adjusting screw rod, and the top end of the screw rod extends out of the top of the barrel;

one side of the outer top surface of the barrel is radially provided with a rectangular strip groove along the barrel, the material for arranging the rectangular strip groove is a sticky magnetic material, a rectangular electromagnet is arranged in the rectangular strip groove, the electromagnet can move in the rectangular strip groove when the power is off, the top end of the electromagnet is fixedly connected with a motor, a gear column is arranged on a main shaft of the motor, and the gear column is meshed with a cylindrical gear arranged on a screw rod, so that when the motor rotates, the screw rod can move in the vertical direction while rotating.

The top point of the bottom end of the driving rod is fixedly provided with a core column, the core column is vertical to the length direction of the sliding groove, two ends of the core column are respectively provided with a bearing with an outer ring fixed in the sliding groove, and two ends of the core shaft are respectively and fixedly arranged on inner rings of the two bearings.

The inner wall of the cylinder body is further fixedly connected with a limiting block, and the limiting block limits the downward moving height of the piston plate; the hole that supplies on the barrel lateral wall the actuating lever passes is rectangle strip hole, rectangle strip hole sets up along the barrel direction of height, and all rectangle strip holes are arranged at barrel lateral wall annular array.

Preferably, the bearing platform is fixedly connected to a conical platform, the bottom end of the conical platform is rotatably and fittingly arranged on a platform, a gear ring is fixedly connected to the bottom of the conical platform close to the edge of the conical platform, the gear ring is in meshing transmission with a driving gear rotatably arranged on the platform, the driving gear rotates through torque output by a driving device, and the driving device is arranged on one side between the conical platform and the platform.

The platform is fixedly installed on the temporary water storage tank, a plurality of water supply pipelines are connected to the temporary water storage tank and are respectively connected with the spray heads in a one-to-one correspondence mode, and each water supply pipeline is provided with a control valve. The screw rod is provided with a rectangular groove along the length direction, and the bottom of the rectangular groove is provided with a plurality of scale marks along the length direction. The piston plate is in dynamic seal fit with the inner wall of the cylinder body, and the top of the cylinder body is provided with an air inlet nozzle which is connected with a compressed air source.

Meanwhile, the invention also provides a mine dust removal method, which adopts a mine dust removal device to remove dust, and comprises the following steps: a push rod is vertically and fixedly installed in the central zone of the smoke dust, a steel plate is fixed at the top end of the push rod, the mine dust removal device is fixedly installed on the steel plate, and a plurality of reinforcing ribs are annularly arranged between the steel plate and the push rod in a welding manner; the motor and the driving device are both controlled by the controller to be automatically controlled in a remote mode, wherein the motor can rotate forward and backward, after the mine dust removal device is installed, the motor and the driving device are started simultaneously, on one hand, the driving rod continuously swings up and down, on the other hand, the conical table does uniform-speed circular motion, and therefore watering and dust removal operation is carried out on a set area in a three-dimensional space. The motor rotates forwards and backwards to enable the spray head to swing up and down by an angle of 45-90 degrees, the driving device is a motor capable of rotating forwards and backwards, the motor drives the conical table to rotate for a circle along the corresponding direction when rotating forwards and backwards respectively, and the operation is repeated in a reciprocating way.

Compared with the prior art, the invention has the following beneficial effects: the mine dust removal method adopts a simple and ingenious design structure, flexibly and timely realizes the adjustment of the water spraying directions of the plurality of spray heads, can adapt to the dust removal requirements under various complex environments by sampling respective forward and reverse rotation control of the motor and the driving equipment, realizes three-dimensional and multidimensional omnibearing dust removal, can effectively exert the efficient and flexible dust removal performance when placed in the center of a smoke environment, selects the optimal water spraying angle, covers smoke in a larger range as much as possible, and improves the dust removal effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic overall structure of one embodiment of the present invention;

FIG. 2 is a schematic view of the installation structure of the driving rod in the sliding chute;

FIG. 3 is an enlarged top block diagram of the structure shown in FIG. 1;

fig. 4 is a cross-sectional view of the rotational mounting of the drive rod within the slide channel.

FIG. 5 is a schematic view of the installation structure of the mine dust removing apparatus in the mine dust removing method of the present invention.

The reference numerals are explained below: the device comprises a bearing platform 1, a spray head 2, a driving rod 3, a bearing 301, a core column 302, a push rod 4, a steel plate 5, a cylinder body 6, a piston plate 7, a screw rod 8, a sliding groove 9, a groove 10, a pressure bearing spring 11, a steel cylinder 12, a conical spring 13, a gear ring 17, a driving gear 18, a conical platform 19, a platform 20, a temporary water storage tank 22, an electromagnet 23, a motor 24, a gear column 25, a cylindrical gear 26, a scale mark 27, an air inlet nozzle 28 and a control valve 29.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention clearer and easier to understand, the technical scheme of the invention is described in detail below. It should be understood by those skilled in the art that the following examples are illustrative of some, but not all, specific embodiments of the invention and therefore the scope of the invention is not limited thereto.

Referring to the structure shown in fig. 1, the embodiment discloses a mine dust removing device, which includes a nozzle 2 for spraying water mist and a bracket for mounting the nozzle 2, except that the bracket in the embodiment specifically includes: the rotary type shower nozzle installing device comprises a circular bearing platform 1, wherein the circular bearing platform 1 is rotatably arranged, namely the bearing platform 1 can rotate to adjust the installing position of a shower nozzle 2, a plurality of sliding grooves 9 are formed in the upper surface of the bearing platform 1, each sliding groove 9 is arranged along the radial direction of the bearing platform 1, all the sliding grooves 9 are arranged on the bearing platform 1 in an annular array mode, a driving rod 3 in a V-shaped structure is rotatably installed in each sliding groove 9, the corner end of the bottom of each driving rod 3 is rotatably installed in each sliding groove 9, and one end of each driving rod 3 extends out of the outer side above the bearing platform 1 and is fixedly connected with the shower nozzle 2.

Meanwhile, with reference to fig. 1, in this embodiment, a cylinder 6 is fixedly connected above the center of the bearing platform 1, the cylinder 6 may be a cylindrical cup structure, a piston plate 7 is installed above the inside of the cylinder 6 in a sliding fit manner, a plurality of grooves 10 are formed in the bottom surface of the piston plate 7, and the other end of the driving rod 3 is installed in each groove 10 in a sliding fit manner, that is, the other end of the driving rod 3 can slide freely in the groove 10 under the driving of an external force. Specifically, as shown in fig. 2, one section of the driving rod 3 extending into the cylinder 6 is supported by a supporting spring at the bottom, one end of the supporting spring is fixedly connected to the edge of the bottom of the sliding groove 9 at the side close to the center of the bearing platform 1, the steel cylinder 12 fixedly connected to the other end of the supporting spring is in pressing contact with the outer side wall of the driving rod 3, and the steel cylinder 12 is suitable to be vertically arranged with one section of the driving rod 3 so as to better support the driving rod 3. The center of the bottom of the piston plate 7 is connected with the small end of a conical spring 13, the large end of the conical spring 13 is connected to the inner bottom surface of the cylinder 6, and the conical spring 13 is always kept in a compressed state; the top of the bearing platform 1 is connected with the bottom end of an adjusting screw rod 8, the top end of the screw rod 8 extends out of the top of the barrel 6, so that the operating screw rod 8 can rotate, and during actual manufacturing, a hand wheel can be installed at the top end of the screw rod 8 to manually rotate.

Meanwhile, in the present embodiment, in order to realize the automatic adjustment screw 8, as shown in fig. 1 and 3, a rectangular groove is formed on one side of the outer top surface of the cylinder 6 along the radial direction, and the material of the rectangular groove is a viscous magnetic material, a rectangular electromagnet 23 is installed in the rectangular groove, the electromagnet 23 can move in the rectangular groove when the power is off, a motor 24 is fixedly connected to the top end of the electromagnet 23, a gear column 25 is installed on the main shaft of the motor 24, the gear column 25 is a gear with a very thick thickness obtained by integrally processing a shaft, the overall structure of the gear column is similar to a spline shaft, the gear column 25 is engaged with a cylindrical gear 26 installed on the screw 8, so that when the motor 24 rotates, the screw 8 can move in the vertical direction while rotating, which is why the gear column 25 with the spline shaft-like structure is made. When the automatic adjustment is needed, the motor 24 is started, the motor 24 is preferably a servo motor 24, if the spraying direction does not need to be adjusted frequently on site, and the dust removing direction is relatively stable, the power supply of the electromagnet 23 is switched off, the electromagnet 23 can be used as a sliding block and moved to the other side along the rectangular strip groove, so that the gear column 25 is separated from the cylindrical gear 26, and then the power supply of the electromagnet 23 is switched on, so that the motor 24 is fixedly arranged in a state that the gear column 25 is separated from the cylindrical gear 26.

The mine dust collector of this embodiment moves down through adjusting screw 8 when using, extrudees piston plate 7, and the in-process that piston plate 7 moved down is promoting the push rod and is rotating, and actuating lever 3 self is whole to rotate relative actuating lever 3's bottom corner end promptly to make shower nozzle 2 turn over certain angle, make the angle of elevation of shower nozzle 2 installation rise promptly, change the angle of spraying water smoke. When the screw 8 is withdrawn towards the outside of the cylinder 6, under the strong elastic restoring force of the pressure-bearing spring 11 when the pressure-bearing spring 11 is extended, the spray head 2 rotates anticlockwise, namely rotates downwards, so that the elevation angle of the spray head 2 is reduced, and it should be noted that the elastic force of the pressure-bearing spring 11 and the aforementioned conical spring 13 in the embodiment can promote the movement and installation of the spray head 2 to be more stable. In this embodiment, the bearing spring 11 is mainly used for counteracting the reaction force of the spray head 2 during high-speed spraying, so as to realize the buffering and damping functions and relative stability and support, the stiffness coefficient of the bearing spring 11 is selected according to specific requirements, so that the buffering and damping of the spray head 2 spraying water mist under high pressure can be realized, and the extremely high stiffness coefficient can realize the nearly rigid installation of the spray head 2, so that the use is flexible and reliable.

As one specific implementation detail, as shown in fig. 4, a stem 302 is fixedly provided at a vertex of a bottom end of the driving rod 3, the stem 302 is perpendicular to a length direction of the chute 9, two ends of the stem 302 respectively have a bearing 301 whose outer ring is fixed in the chute 9, and two ends of the mandrel are fixedly mounted on inner rings of the two bearings 301, respectively, so that the driving rod 3 can rotate at a certain fixed point in the chute 9 to achieve angle adjustment of the spraying head 2.

Particularly, the inner wall of the cylinder 6 is fixedly connected with a limiting block, and the limiting block limits the downward moving height of the piston plate 7. The piston plate 7 is in dynamic sealing fit with the inner wall of the cylinder 6, the top of the cylinder 6 is provided with an air inlet nozzle 28, and the air inlet nozzle 28 is connected with a compressed air source to realize pneumatic driving of the piston plate 7. In addition, supply on the barrel 6 lateral wall the hole that actuating lever 3 passed is rectangle strip hole, rectangle strip hole sets up along 6 direction of height of barrel, and all rectangle strip holes are arranged at 6 lateral walls of barrel annular array to when piston plate 7 moves down, the control volume of moving down can not be too big and damage actuating lever 3, still can not slide into the position at rectangle strip hole place simultaneously, cause the phenomenon of adopting gas leakage when atmospheric pressure promotes piston plate 7.

With continuing reference to fig. 1 and 2, as a detailed implementation, the platform 1 is fixedly connected to a conical platform 19, the bottom end of the conical platform 19 is rotatably fitted to a platform 20, a gear ring 17 is fixedly connected to the bottom of the conical platform 19 near the edge thereof, the gear ring 17 is in meshing transmission with a driving gear 18 rotatably mounted on the platform 20, the driving gear 18 is rotated by the torque output by a driving device, and the driving device is mounted on one side between the conical platform 19 and the platform 20. There is a spheroid at the bottom of toper platform 19, the spheroid is rotary fit in platform 20, so set up for, when necessary, rotate the crank, make toper platform 19 rotate and adjust the installation direction of shower nozzle 2, in order to adapt to the on-the-spot dust removal needs better.

When the spraying dust removal device is used, water can be firstly introduced into a temporary water storage tank 22, the platform 20 is fixedly installed on the temporary water storage tank 22, a plurality of water supply pipes are connected to the temporary water storage tank 22 and are respectively connected with the spray heads 2 in a one-to-one correspondence mode, and each water supply pipe is provided with a control valve 29, so that each pipe can be controlled independently, the spray heads 2 in certain positions or directions can be selectively closed or opened, and accurate spraying dust removal is achieved. In order to visually grasp the angle adjustment amount of the spray head 2, a rectangular groove is formed in the screw rod 8 along the length direction of the screw rod, a plurality of scale marks 27 are arranged at the bottom of the rectangular groove along the length direction of the rectangular groove, and the alignment positions of the scale marks 27 and the outer top surface of the barrel 6 are observed during rotation.

Finally, based on the mine dust removal equipment, the invention also introduces a specific dust removal method, which comprises the following steps during dust removal: as shown in fig. 5, a push rod 4 is vertically and fixedly installed in the central area of the smoke dust, a steel plate 5 is fixed at the top end of the push rod 4, the mine dust removal device is fixedly installed on the steel plate 5, and a plurality of reinforcing ribs are annularly arranged between the steel plate 5 and the push rod 4 in a welding manner. Then, the motor 24 and the driving device are both automatically controlled in a remote mode by the controller, wherein the motor 24 can rotate in a forward and reverse mode, after the mine dust removing device is installed, the motor 24 and the driving device are started simultaneously, on one hand, the driving rod 3 continuously swings up and down, and on the other hand, the conical table 19 does uniform circular motion, so that water spraying and dust removing operation is carried out on a set area in a three-dimensional space. The reaction force generated by spraying water mist by the spray head 2 enables the end part of the driving rod 3 to extrude the pressure-bearing spring 11, and the pressure-bearing spring 11 intermittently extends and retracts in a reciprocating mode, so that the spray head 2 is in a front-back closing state within a certain angle range, the sprayed water mist is in a non-fixed path, and spraying dust removal within a denser range can be achieved.

When the dust-removing device is used, the motor 24 preferably rotates forward and backward to enable the spray head 2 to swing up and down by an angle of 45-90 degrees, the driving device is a motor capable of rotating forward and backward, the motor drives the conical table 19 to rotate for a circle along the corresponding direction when rotating forward and backward, and the circular motion is performed in a reciprocating mode, so that the three-dimensional and dynamic motion of the spray head 2 is realized, the spray head 2 can rotate and can continuously swing in a pitching mode to spray water and mist, the dust-removing covering surface is more flexible and changeable, the effect is better, and the dust-removing device cannot only perform conventional rotation or swinging type spraying dust-removing.

It should be noted that, in the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Therefore, it should be understood by those skilled in the art that any modification and equivalent replacement of the embodiments disclosed herein without departing from the technical spirit of the present invention shall be included in the scope of the present invention.

Claims

1. The mine dust removal device comprises a spray head for spraying water mist and a bracket for mounting the spray head, and is characterized in that: the bracket comprises a circular bearing platform which is rotationally arranged, the upper surface of the bearing platform is provided with a plurality of sliding chutes, each sliding chute is arranged along the radial direction of the bearing platform, all the sliding chutes are arranged on the bearing platform in an annular array, each sliding chute is rotationally provided with a driving rod in a V-shaped structure, the corner end of the bottom of the driving rod is rotationally arranged in the sliding chute, and one end of the driving rod extends out of the outer side above the bearing platform and is fixedly connected with the spray head;

2. The mine dust removal apparatus of claim 1, wherein: the top point of the bottom end of the driving rod is fixedly provided with a core column, the core column is vertical to the length direction of the sliding groove, two ends of the core column are respectively provided with a bearing with an outer ring fixed in the sliding groove, and two inner rings of the two bearings are respectively and fixedly provided with two ends of the core shaft.

3. The mine dust removal apparatus of claim 1, wherein: the inner wall of the cylinder body is further fixedly connected with a limiting block, and the limiting block limits the downward moving height of the piston plate; the hole that supplies on the barrel lateral wall the actuating lever passes is rectangle strip hole, rectangle strip hole sets up along the barrel direction of height, and all rectangle strip holes are arranged at barrel lateral wall annular array.

4. The mine dust removal apparatus of claim 1, wherein: the bearing platform is fixedly connected to a conical platform, the bottom end of the conical platform is installed on a platform in a rotating fit mode, a gear ring is fixedly connected to the bottom of the conical platform close to the edge of the bottom of the conical platform, the gear ring is in meshing transmission with a driving gear installed on the platform in a rotating mode, the driving gear rotates through torque output by driving equipment, and the driving equipment is installed on one side between the conical platform and the platform.

5. The mine dust removal apparatus of claim 1, wherein: the platform is fixedly installed on the temporary water storage tank, a plurality of water supply pipelines are connected to the temporary water storage tank and are connected with the spray heads in a one-to-one correspondence mode, and a control valve is installed on each water supply pipeline.

6. The mine dust removal apparatus of claim 1, wherein: the screw rod is provided with a rectangular groove along the length direction, and the bottom of the rectangular groove is provided with a plurality of scale marks along the length direction.

7. The mine dust removal apparatus of claim 1, wherein: the piston plate is in dynamic seal fit with the inner wall of the cylinder body, and the top of the cylinder body is provided with an air inlet nozzle which is connected with a compressed air source.

8. A mine dust removal method is characterized in that: the mine dust removal device of claim 4 is adopted for dust removal, and the dust removal is carried out according to the following steps:

s1, vertically and fixedly installing an ejector rod in the central area of the smoke dust, fixing a steel plate at the top end of the ejector rod, fixedly installing the mine dust removal device on the steel plate, and arranging a plurality of reinforcing ribs between the steel plate and the ejector rod in a welding manner;

and S2, the motor and the driving device are both automatically controlled in a remote mode through the controller, wherein the motor can rotate in a positive and negative mode, after the mine dust removal device is installed, the motor and the driving device are started simultaneously, on one hand, the driving rod continuously swings up and down, and on the other hand, the conical table does uniform circular motion, so that water sprinkling and dust removal operation is carried out on a set area in a three-dimensional space.

9. The mine dust removal method of claim 8, wherein: the motor rotates forward and backward to enable the spray head to swing up and down at an angle of 45-90 degrees.

10. The mine dust removal method of claim 8, wherein: the driving device is a motor capable of rotating forwards and backwards, the motor drives the conical table to rotate for a circle along the corresponding direction when rotating forwards and backwards respectively, and the operation is repeated in a reciprocating way.