阅读说明：本技术 一种高粘性尾砂料仓破拱稳料装置 (High viscosity tail sand silo arch breaking and material stabilizing device ) 是由 秦杰 胡中华 程勃 李彬 曾德辉 于 2020-12-24 设计创作，主要内容包括：本发明公开了一种高粘性尾砂料仓破拱稳料装置,包括并列布置在料仓内部底端的两根旋转轴以及驱动旋转轴转动的驱动机构,所述旋转轴的两端分别通过左端支撑组件和右端支撑组件与料仓内壁转动支撑连接；每根旋转轴的左、右两侧分别设置有旋向相反的螺旋叶片,每根旋转轴的中部均设置有搅散叶片。本申请的高粘性尾砂料仓破拱稳料装置,通过驱动机构带动两根旋转轴转动,旋转轴带动自身的螺旋叶片和搅散叶片旋转,由于旋转轴上两侧的螺旋叶片的旋向相反,可使料仓内部两侧的尾砂向中部聚拢,中部的尾砂再通过搅散叶片打散,避免了结拱现象,有效提高了下料的可靠性和均匀性。(The invention discloses an arch-breaking and material-stabilizing device of a high-viscosity tailing bin, which comprises two rotating shafts arranged at the bottom end in the bin in parallel and a driving mechanism for driving the rotating shafts to rotate, wherein two ends of each rotating shaft are respectively connected with the inner wall of the bin in a rotating and supporting way through a left end supporting assembly and a right end supporting assembly; helical blades with opposite rotation directions are respectively arranged on the left side and the right side of each rotating shaft, and the middle of each rotating shaft is provided with a dispersing blade. The utility model provides a high viscosity tailings storehouse is broken and is encircleed steady material device drives two rotation axis rotations through actuating mechanism, and the rotation axis drives the helical blade of self and stirs the blade rotation that looses, because the helical blade of both sides revolve to opposite on the rotation axis, can make the tailings of the inside both sides of feed bin gather together to the middle part, and the tailings at middle part is broken up through stirring the blade that looses again, has avoided having tied up the arch phenomenon, has effectively improved the reliability and the homogeneity of unloading.)

1. The utility model provides a high viscosity tailings storehouse is broken and is encircleed steady material device which characterized in that: the device comprises two rotating shafts (13) which are arranged at the bottom end in the storage bin (1) in parallel and a driving mechanism for driving the rotating shafts to rotate, wherein two ends of each rotating shaft are respectively connected with the inner wall of the storage bin in a rotating and supporting mode through a left end supporting assembly and a right end supporting assembly; helical blades (6) with opposite rotation directions are respectively arranged on the left side and the right side of each rotating shaft, and dispersing blades (12) are arranged in the middle of each rotating shaft.

2. The arch-breaking and material-stabilizing device for the high-viscosity tailing bin according to claim 1, characterized in that: the left end supporting component comprises a left end bin inner support (5) fixedly connected with the inner wall of the bin and a left end bearing support (4) which is fixedly installed on the left end bin inner support and is in rotating support fit with the left end of the rotating shaft.

3. The arch-breaking and material-stabilizing device for the high-viscosity tailing bin according to claim 2, characterized in that: the right end supporting component comprises a right end bin inner support (8) fixedly connected with the inner wall of the bin and a right end belt bearing support (7) which is fixedly installed on the right end bin inner support and is in rotating support fit with the right end of the rotating shaft.

4. The arch-breaking and material-stabilizing device for the high-viscosity tailing bin according to claim 3, characterized in that: the driving mechanism comprises a power mechanism (9) and a speed reducer (10), and the power mechanism is in transmission connection with the right end of the rotating shaft through the speed reducer.

5. The arch-breaking and material-stabilizing device for the high-viscosity tailing bin according to claim 4, characterized in that: the power mechanism (9) is a motor or an electric motor.

6. The arch-breaking and material-stabilizing device for the high-viscosity tailing bin according to claim 5, characterized in that: the left-end bin inner support is provided with a sand prevention cover (3), and the left-end bearing support is arranged in the sand prevention cover.

7. The arch-breaking and material-stabilizing device for the high-viscosity tailing bin according to claim 6, characterized in that: the right-end bin inner support is provided with a sand prevention box (11), and the right-end bearing support, the speed reducer and the power mechanism are all arranged in the sand prevention box.

Technical Field

The invention relates to the technical field of tailing paste filling system processes, in particular to an arch-breaking and material-stabilizing device for a high-viscosity tailing bin.

Background

A large amount of solid waste is generated in the development and utilization process of mineral resources, and the mine fills the residual solid waste into the underground vacant field again, so that the collapse accident of the underground vacant field and the pollution of the waste to the environment are reduced. The filling of paste is mainly a technique that one or more solid wastes, cement and water are proportioned according to a certain proportion under a certain condition to prepare paste-like slurry with certain stability, fluidity and plasticity, and the paste-like slurry is conveyed to an underground goaf by a pipeline in a plunger flow form under the action of an external force or gravity to complete the filling operation. The paste filling technology provides an optimal path for solid waste disposal, the solid waste is changed into valuable, the filling body provides a supporting effect for the goaf, the safety of the mining process is guaranteed, the loss and dilution of ores are reduced, and the utilization rate of mineral resources is improved.

The conventional tailing bin is usually fed by adopting a bottom conical hopper mode, the phenomenon of tailing arching is easy to occur at the bottom conical hopper part, and particularly, the feeding is uneven and the discharging is not carried out on some high-viscosity tailings. The conventional solution of the mine is to add a vibration motor outside the wall of the tailing bin to break the arch, but the high-viscosity tailing is often compacted more and more by vibration, so that the feeding purpose of the tailing bin cannot be realized, and the normal production work of a tailing paste filling system is seriously influenced.

Disclosure of Invention

In view of the above, the present invention provides an arch-breaking and material-stabilizing device for a high viscosity tailing bin, so as to improve the reliability and uniformity of blanking.

The invention solves the problems through the following technical means: an arch breaking and material stabilizing device of a high-viscosity tailing bin comprises two rotating shafts arranged at the bottom end in the bin in parallel and a driving mechanism for driving the rotating shafts to rotate, wherein two ends of each rotating shaft are respectively connected with the inner wall of the bin in a rotating and supporting mode through a left end supporting assembly and a right end supporting assembly; helical blades with opposite rotation directions are respectively arranged on the left side and the right side of each rotating shaft, and the middle of each rotating shaft is provided with a dispersing blade.

Further, left end supporting component includes the left end storehouse inner support and fixed mounting with feed bin inner wall fixed connection on the left end storehouse inner support and with the left end pivoted stay complex left end area bearing support of rotation axis.

Further, the right-end supporting component comprises a right-end bin inner support fixedly connected with the inner wall of the bin and a right-end belt bearing support which is fixedly installed on the right-end bin inner support and is in rotating support fit with the right end of the rotating shaft.

Further, the driving mechanism comprises a power mechanism and a speed reducer, and the power mechanism is in transmission connection with the right end of the rotating shaft through the speed reducer.

Further, the power mechanism is a motor or an electric motor.

Furthermore, a sand prevention cover is arranged on the left-end bin inner support, and the left-end bearing support is arranged in the sand prevention cover.

Furthermore, a sand prevention box is arranged on the support in the right-end bin, and the bearing support, the speed reducer and the power mechanism are arranged in the sand prevention box.

In addition, can design into telescopic structure with stirring the leaf that looses, specifically, it includes sealed slip muff-coupling connecting cylinder and stirs the body of rod that looses to stir the leaf, connecting cylinder and rotation axis fixed connection, it is connected with connecting cylinder inner wall through the spring to stir the one end that the body of rod lies in connecting cylinder, stirs the body of rod and is T type rod form. In concrete working process, the rotational speed of rotation axis can adopt frequency conversion control by actuating mechanism, and when the rotational speed of rotation axis appeared periodic fluctuation, the centrifugal force that the body of rod received that stirs dispersed was also periodic fluctuation, under the effect of centrifugal force and spring force, stirs the body of rod periodic expansion promptly and diverse radius periodic variation, is favorable to improving the effect of scattering to the tailings material.

The invention has the beneficial effects that:

1. the driving mechanism drives the two rotating shafts to rotate, the rotating shafts drive the helical blades of the rotating shafts and the scattering blades to rotate, and the helical blades on the two sides of the rotating shafts are opposite in rotation direction, so that tailings on two sides inside the storage bin can gather towards the middle part, and the tailings in the middle part are scattered by the scattering blades and then evenly and stably fed to a discharge port at the bottom of the storage bin.

2. The rotating speed of the rotating shaft is controlled by a motor/motor through frequency conversion, and uniform, stable and accurate feeding can be realized.

3. The device can be used for tailing dry-discharging dehydration with poor effect, high water content and high viscosity, and the tailing with high viscosity is broken in a tailing bin to be arched, uniformly and stably fed, and has wider application range.

In a word, the high viscosity tailings bin arch breaking and material stabilizing device can avoid the risk that 'high viscosity' tailings arch in the tailings bin, can make up the defects of uneven and unstable blanking of the tailings bin, can ensure the quality of tailings paste, can ensure the safety of underground mining, and has great advancement, practicability and popularization in mines adopting the paste filling technology of dry-discharge tailings.

Drawings

The invention is further described below with reference to the figures and examples.

FIG. 1 is a front view of a preferred embodiment of the present apparatus;

FIG. 2 is a side view of a preferred embodiment of the present apparatus;

FIG. 3 is a top view of a preferred embodiment of the present apparatus;

FIG. 4 is a front view of the rotating shaft;

FIG. 5 is a side view of the rotating shaft;

FIG. 6 is a top view of the rotating shaft;

FIG. 7 is a schematic view of a dispersing blade.

Detailed Description

The invention will be described in detail below with reference to the accompanying drawings, as shown in fig. 1-6: the embodiment provides a high viscosity tailings storage bin is broken and is encircleed steady material device, including arranging two rotation axis 13 and drive rotation axis pivoted actuating mechanism in the inside bottom of storage bin 1 side by side, actuating mechanism includes power unit 9 and speed reducer 10, power unit 9 is motor or motor, motor or motor pass through the speed reducer and are connected with the right-hand member transmission of rotation axis.

And two ends of the rotating shaft 13 are respectively connected with the inner wall of the storage bin in a rotating supporting mode through a left end supporting component and a right end supporting component. The left end supporting component comprises a left end bin inner support 5 fixedly connected with the inner wall of the bin and a left end bearing support 4 fixedly arranged on the left end bin inner support 5 and in rotary supporting fit with the left end of the rotating shaft 13; the right end supporting component comprises a right end bin inner support 8 fixedly connected with the inner wall of the bin and a right end belt bearing support 7 fixedly installed on the right end bin inner support 8 and in supporting fit with the right end of the rotating shaft 13 in a rotating mode.

Helical blades 6 with opposite rotation directions are respectively arranged on the left side and the right side of each rotating shaft 13, and a dispersing blade 12 is arranged in the middle of each rotating shaft.

The left end storehouse inner support is provided with sand control cover 3, the bearing support of left end area sets up in sand control cover 3, and sand control cover 3 can keep apart the tailing in left end area bearing support 4 and the feed bin. The sand prevention box 11 is arranged on the support in the right-end bin, the bearing support 7 with the bearing at the right end, the speed reducer 10 and the power mechanism 9 are all arranged in the sand prevention box, and the sand prevention box 11 can isolate the bearing support with the bearing at the right end, the speed reducer and the power mechanism from tailings in the bin.

In addition, be provided with lug 2 at the feed bin lateral wall, conveniently hang and connect.

The high viscosity tailings bin arch-breaking material stabilizing device of the embodiment drives two rotating shafts to rotate through the driving mechanism, the rotating shafts drive the helical blades of the rotating shafts and the dispersing blades to rotate, the helical blades on two sides of the rotating shafts are opposite in rotation direction, tailings on two sides inside the bin can be gathered together towards the middle, and the tailings at the middle part are scattered through the dispersing blades, so that the arch phenomenon is avoided, and the reliability and the uniformity of blanking are effectively improved.

As a further improvement to the above technical solution, as shown in fig. 7, the dispersing blades 12 include a connecting cylinder 121 and a dispersing rod 123 that are hermetically slidably sleeved, the connecting cylinder 121 is fixedly connected to the rotating shaft 13, one end of the dispersing rod 123 located in the connecting cylinder 121 is connected to an inner wall of the connecting cylinder through a spring 122, and the dispersing rod is in a T-shaped rod shape. In concrete working process, the rotational speed of rotation axis can adopt frequency conversion control by actuating mechanism, and when the rotational speed of rotation axis appeared periodic fluctuation, the centrifugal force that the body of rod received that stirs dispersed was also periodic fluctuation, under the effect of centrifugal force and spring force, stirs the body of rod periodic expansion promptly and diverse radius periodic variation, is favorable to improving the effect of scattering to the tailings material.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.