CN216103860U

CN216103860U - Vertical sand silo bottom anti-sticking device

Info

Publication number: CN216103860U
Application number: CN202122740812.8U
Authority: CN
Inventors: 王荣林; 陆虎; 冯建; 李明军; 杨松付; 王金行; 沈斌
Original assignee: Anhui Magang Mining Resources Group Gushan Mining Co ltd; Anhui Maanshan Iron and Steel Mining Resources Group Co Ltd
Current assignee: Anhui Magang Mining Resources Group Gushan Mining Co ltd; Anhui Maanshan Iron and Steel Mining Resources Group Co Ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-03-22
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses an anti-sticking device for the bottom of a vertical sand silo, and belongs to the technical field of sand silo anti-clogging. The vertical sand silo comprises a vertical sand silo main body, wherein a funnel is arranged at the bottom of the vertical sand silo main body, a sand outlet short pipe is arranged at a discharge port of the funnel, and the output end of the sand outlet short pipe is connected with a main sand discharge pipe; the inner wall of the funnel is paved with a wear-resistant and corrosion-resistant non-stick plate, the center of the funnel is provided with a conical base, and the inner surface of the funnel is provided with a slurry making water pipe. According to the utility model, the wear-resistant corrosion-resistant non-stick plate is fixed on the inner wall of the funnel by the bolt, so that tailings of the vertical sand silo are not easy to accumulate and silt at the bottom of the silo, the traditional manual silo cleaning times are reduced, and even the silo cleaning is not needed; the sand discharging concentration at the bottom of the sand silo is more stable than before during filling, the influence of filling on underground mining is reduced, and the filling quality is ensured.

Description

Vertical sand silo bottom anti-sticking device

Technical Field

The utility model relates to the technical field of silt prevention of sand silos, in particular to an anti-sticking device at the bottom of a vertical sand silo.

Background

At present, in many filling stations of mines, as the design is earlier, basically vertical sand bins are used, tailings from a selected factory are conveyed to the vertical sand bins, the tailings are settled by adding chemicals through flocculation, when filling production is needed, bin bottom valves are opened, the settled tailings enter a stirring system for stirring and filling, but as production time continues, the vertical sand bins are more and more serious from the bottom, accumulated silt blocks are stuck at the bin bottoms and can not be discharged, the effective utilization volume of the sand bins is smaller and smaller as the accumulated silt positions are higher for a long time, overflow water of the sand bins is easy to run muddy and is not in line with stable production conditions and environmental protection requirements, in addition, the concentration is lower when the bin bottoms are discharged due to the high accumulated silt positions of the sand bins, the strength of underground filling bodies is influenced, underground potential safety hazards are easy to cause, and various problems caused by the accumulation of the vertical sand bins are solved, the conventional method is that the sludge is frequently washed and scattered by high-pressure water after entering a sand silo, so that the method is not safe, time-consuming and high in labor intensity; or the deep cone concentration is built to replace the vertical sand silo, but the cost is too high. Based on the existing conditions and problems, a device or a method is urgently needed to solve the problem that the vertical sand silo is easy to accumulate silt.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to overcome the defects of the prior art and provides the anti-sticking device for the bottom of the vertical sand silo, and the utility model fixes the wear-resistant corrosion-resistant non-stick plate on the bottom of the silo, the wall of the silo and the inner wall of the funnel by using bolts, so that tailings in the vertical sand silo are not easy to accumulate and become silted at the bottom of the silo, the traditional manual silo cleaning times are reduced, and even the silo cleaning is not needed; the sand concentration at the bottom of the silo is more stable than before during filling, and the filling quality is ensured. The device simple structure, simple to operate uses reliably, has both guaranteed the productivity effect, has guaranteed the stability of obturator intensity again simultaneously, has apparent security benefit to mining in the pit.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

the anti-sticking device for the bottom of the vertical sand silo comprises a vertical sand silo main body, wherein a funnel is arranged at the bottom of the vertical sand silo main body, a sand outlet short pipe is arranged at a discharge port of the funnel, and the output end of the sand outlet short pipe is connected with a main sand discharge pipe;

the inner wall of the funnel is laid with a wear-resistant and corrosion-resistant non-stick plate, the center of the funnel is provided with a conical base, and the inner surface of the funnel is provided with a slurry making water pipe.

Furthermore, a main sand discharge pipe control valve is arranged between the sand outlet short pipe and the main sand discharge pipe.

Furthermore, the vertical sand silo main part be cylindrical steel storehouse, vertical height is not less than 20 meters.

Furthermore, one end of the short sand outlet pipe extends into the funnel, and the upper end of the short sand outlet pipe is flush with the bottom surface of the funnel.

Furthermore, wear-resistant corrosion-resistant non-stick plates are laid on the surface of the funnel and the bottom of the bin wall connected with the conical bin bottom.

Further, the thickness of the wear-resistant corrosion-resistant non-stick plate is determined according to the service cycle, the wear-resistant corrosion-resistant non-stick plate is laid at the outer ring, the middle ring and the inner ring, and the wear-resistant corrosion-resistant non-stick plate is fixed with the funnel through bolts.

Furthermore, the conical base is a cone with a hollow inner part, the surface of the conical base is provided with a flow guide hole, and the flow guide hole is in a crotch shape.

Furthermore, the slurry making water pipe is a steel pipe with the diameter of 50mm, and two sides of the pipeline are respectively connected with 9 groups of steel pipes with the diameter of 10 mm.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

according to the utility model, the wear-resistant corrosion-resistant non-stick plate is fixed on the inner wall of the funnel by the bolt, so that tailings of the vertical sand silo are not easy to accumulate at the bottom of the silo, the times of traditional manual silo cleaning are reduced, a large amount of labor cost is saved, and the silo cleaning time is greatly shortened; the sand discharging concentration at the bottom of the sand silo is more stable than before during filling, and the filling quality is ensured. The device simple structure, simple to operate uses reliably, has both guaranteed the productivity effect, has guaranteed the stability of obturator intensity again simultaneously, has apparent security benefit to mining in the pit.

Drawings

FIG. 1 is a side cross-sectional view of a vertical sand silo of the present invention.

FIG. 2 is a schematic top view of the funnel of the present invention;

FIG. 3 is a cross-sectional view of the conical base of the present invention.

In the figure: 1. a short sand outlet pipe; 2. a main sand discharge pipe control valve; 3. a main sand discharge pipe; 4. a funnel; 5. a slurry making water pipe; 6. the wear-resistant corrosion-resistant non-stick plate; 7. a conical base; 71. a flow guide hole; 8. the vertical sand silo main part.

Detailed Description

The utility model is further described with reference to the following figures and examples:

example 1

As can be seen from fig. 1-2, the anti-sticking device for the bottom of the vertical sand silo of the present embodiment includes a vertical sand silo main body 8, a funnel 4 is disposed at the bottom of the vertical sand silo main body 8, a sand outlet short pipe 1 is disposed at a discharge port of the funnel 4, and an output end of the sand outlet short pipe 1 is connected with a main sand discharge pipe 3.

Wear-resisting corrosion resistant non-stick board 6 has been laid to the inner wall of funnel 4, and the center department of funnel 4 is provided with conical seat 7, and conical seat 7 is the hollow cone in inside, plays the effect of buffering feed bin bottom pressure, and the internal surface of funnel 4 is provided with makes thick liquid water pipe 5.

A main sand discharging pipe control valve 2 is arranged between the sand outlet short pipe 1 and the main sand discharging pipe 3 and used for controlling the flow.

The vertical sand silo main body 8 is a cylindrical steel silo, and the vertical height is not less than 20 m.

One end of the sand outlet short pipe 1 extends into the funnel 4, and the upper end of the sand outlet short pipe 1 is flush with the bottom surface of the funnel 4.

Wear-resistant corrosion-resistant non-stick plates 6 are laid on the surface of the funnel 4 and the bottom of the bin wall connected with the conical bin bottom.

The vertical sand silo bottom conical funnel 4 is divided into an outer ring, a middle ring and an inner ring according to the conical size of the vertical sand silo bottom conical funnel 4, and the wear-resistant corrosion-resistant non-stick plate 6 is fully paved on the vertical sand silo bottom conical funnel 4 according to the design size, so that the silo bottom is smoother, and material accumulation is difficult.

The thickness of the wear-resistant corrosion-resistant non-stick plate 6 is determined by the service cycle, the wear-resistant corrosion-resistant non-stick plate 6 is laid at the outer ring, the middle ring and the inner ring, and the wear-resistant corrosion-resistant non-stick plate 6 is fixed with the funnel 4 through bolts.

The slurry making water pipe 5 is a steel pipe with the diameter of 50mm and the length of 2800mm, two sides of the pipeline are respectively connected with 9 groups of steel pipes with the diameter of 10mm, and in order to prevent tail sand at the bottom of the vertical sand silo from hardening during ore drawing, the slurry making water pipe 5 is used for supplementing water into the silo to play a role in making slurry.

As can be seen from figure 3, the conical base 7 is a cone with a hollow inner part, the surface of the conical base 7 is provided with the flow guide holes 71, the flow guide holes 71 are fork-shaped, and in the conveying process, the guide function and the flow distribution effect can be generated, so that the accumulation of materials is avoided.

The utility model installs the anti-sticking board on the bottom surface of the conical bin at the bottom of the vertical sand bin and the joint of the bin wall bottom and the conical bin bottom according to a certain method, and fixes the wear-resistant and corrosion-resistant anti-sticking board 6 on the bottom surface of the conical bin at the bottom of the vertical sand bin and the joint of the bin wall bottom and the conical bin bottom by bolts according to the size of the conical bin bottom of the vertical sand bin and a certain design, so that the bottom surface of the bin of the vertical sand bin is smoother and is not easy to accumulate.

The utility model ensures that slurry at the bottom of the vertical sand silo is not easy to accumulate and harden, reduces the desilting times, fully utilizes the design volume of the vertical sand silo, ensures normal filling production, ensures stable discharging concentration at the bottom of the vertical sand silo, realizes high strength of a filling body and ensures the safety of underground mining.

According to the utility model, the wear-resistant corrosion-resistant non-stick plate 6 is fixed on the inner wall of the funnel 4 by bolts, so that tailings of the vertical sand silo are not easy to accumulate at the bottom of the silo, the times of traditional manual silo cleaning are reduced, a large amount of labor cost is saved, and the silo cleaning time is greatly shortened; the sand concentration of the vertical sand silo bottom during filling is more stable than before, the influence of filling on underground mining is reduced, and the filling quality is ensured. The device simple structure, simple to operate uses reliably, has both guaranteed the productivity effect, has guaranteed the stability of obturator intensity again simultaneously, has apparent security benefit to mining in the pit.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims

1. The utility model provides a vertical sand silo bottom anti-sticking device, includes vertical sand silo main part (8), its characterized in that: a funnel (4) is arranged at the bottom of the vertical sand silo main body (8), a sand outlet short pipe (1) is arranged at a discharge port of the funnel (4), and the output end of the sand outlet short pipe (1) is connected with a main sand discharging pipe (3);

the inner wall of the funnel (4) is paved with a wear-resistant corrosion-resistant non-stick plate (6), the center of the funnel (4) is provided with a conical base (7), and the inner surface of the funnel (4) is provided with a slurry making water pipe (5).

2. The anti-sticking device for the bottom of the vertical sand silo according to claim 1, characterized in that: a main sand discharge pipe control valve (2) is arranged between the sand outlet short pipe (1) and the main sand discharge pipe (3).

3. The anti-sticking device for the bottom of the vertical sand silo according to claim 1, characterized in that: the vertical sand silo main body (8) is a cylindrical steel silo, and the vertical height is not less than 20 m.

4. The anti-sticking device for the bottom of the vertical sand silo according to claim 1, characterized in that: one end of the sand outlet short pipe (1) extends into the funnel (4), and the upper end of the sand outlet short pipe (1) is flush with the bottom surface of the funnel (4).

5. The anti-sticking device for the bottom of the vertical sand silo according to claim 1, characterized in that: wear-resistant corrosion-resistant non-stick plates (6) are laid on the surface of the funnel (4) and the bottom of the bin wall connected with the conical bin bottom.

6. The anti-sticking device for the bottom of the vertical sand silo according to claim 1, characterized in that: the thickness of the wear-resistant corrosion-resistant non-stick plate (6) is determined according to the service cycle, the wear-resistant corrosion-resistant non-stick plate (6) is laid at the outer ring, the middle ring and the inner ring, and the wear-resistant corrosion-resistant non-stick plate (6) is fixed with the funnel (4) through bolts.

7. The anti-sticking device for the bottom of the vertical sand silo according to claim 1, characterized in that: the conical base (7) is a hollow cone, the surface of the conical base (7) is provided with a flow guide hole (71), and the flow guide hole (71) is in a crotch shape.

8. The anti-sticking device for the bottom of the vertical sand silo according to claim 1, characterized in that: the slurry making water pipe (5) is a steel pipe with the diameter of 50mm, and two sides of the pipeline are respectively connected with 9 groups of steel pipes with the diameter of 10 mm.