CN217746556U - Filling sand silo ore falling device - Google Patents

Abstract

The utility model relates to a fill sand silo ore falling device, including the one-level buffer, median septum and second grade buffer, the median septum is horizontal on the upper portion of storehouse body, and the one-level buffer includes one-level central body, one-level toper cover and one-level guiding groove, is provided with the central small opening in the bottom center of one-level central body, and the upper portion of one-level toper cover is fixed on the upper portion of one-level central body, one-level guiding groove is arranged along the inclined plane of one-level toper cover downwards to be provided with the homocline hole with one-to-one correspondence of one-level guiding groove on the median septum; the secondary buffer body comprises a secondary central body, a secondary conical cover and a secondary guide groove, and the secondary conical cover is larger than the primary conical cover; the utility model discloses reduced the whereabouts kinetic energy of tailing, increased husky thickness of husky storehouse deposit, increaseed husky storehouse effective use volume, because the effective volume in husky storehouse increases, storehouse bottom accumulated sand height improves, has had sufficient time adjustment before the overflow water is muddy, has practiced thrift overflow water reconcentration purification cost.

Description

Fill husky storehouse ore device that falls

Technical Field

The utility model relates to a fill technical field in the pit, concretely relates to fill sand silo ore falling device.

Background

With the development of underground filling technology, underground mines have taken underground filling as an indispensable link in the production process: useful underground minerals are extracted, and the useless minerals after mineral separation are treated and then filled underground to achieve the aim of mining and filling balance.

In the filling process: the tailings (useless minerals) are conveyed to a ground sand silo, the diameter of the sand silo is 8 meters, the height of the sand silo is 30 meters, overflow water overflows from the periphery of the upper edge, the overflow water directly returns to a production system for use, and after the overflow water is precipitated to a certain concentration, cementing materials are added to fill the overflow water underground.

The existing underground filling has the following problems in the operation process because the tailings are pressurized and conveyed to the top of a sand silo through a sand pump and fall into the sand silo from the center due to the structural defect: 1, after tailing slurry enters a sand bin, precipitating, and when the thickness of precipitated sand is below 14 m at the bottom of the bin, the overflow water is clear, the thickness of the precipitated sand is higher than 14 m, the overflow water is turbid, and when the height of the precipitated sand is 21 m, the concentration of the overflow water reaches 11%.2, the sand silo volume can not be fully utilized, the thickness of deposited sand and the time for pouring the sand are not fully measured, turbid overflow water of the sand silo needs to be concentrated and purified again before being used, the concentration and purification cost is increased, and therefore, the research on the sand silo filling ore falling device is necessary.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a fill husky storehouse ore falling device, the effectual current husky storehouse ore falling device tailing that fills that has solved does not pass through the buffering, and input mortar impacts the sediment sand under the action of gravity, further causes the overflow water to be turbid, and the subsides agent that adds in the ore pulp does not have the problem of misce bene.

In order to achieve the above object, the utility model adopts the following technical scheme: a sand bin filling ore falling device comprises a primary buffer body, a middle partition plate and a secondary buffer body, wherein the middle partition plate is transversely arranged at the upper part of a bin body, the primary buffer body comprises a primary central body, a primary conical cover and a primary guide groove, the primary central body is of a hollow structure, the upper part of the primary central body is opened, the lower part of the primary central body is closed, a central leak hole is formed in the center of the bottom of the primary central body, the bottom of the primary central body is fixed in the middle of the middle partition plate, the upper part of the primary conical cover is fixed on the upper part of the primary central body, the lower part of the primary conical cover is fixed on the middle partition plate, the primary guide groove is downwards arranged along the inclined plane of the primary conical cover, and material equalizing holes which are in one-to-one correspondence with the primary guide grooves are formed in the middle partition plate; the upper part of the primary guide groove is communicated with the upper part of the primary central body; the second grade buffer includes second grade central body, second grade toper cover and second grade guiding groove, the upper portion of second grade central body is fixed with the second grade toper cover, and the second grade toper cover one-level has arranged the second grade guiding groove along its inclined plane direction, the second grade central body is under the one-level central body, just the second grade toper cover is bigger than the one-level toper cover.

Furthermore, the outer side of the middle partition plate is provided with a flow increasing hole, the bottom of the flow increasing hole is provided with an elbow, and the elbow faces to the axis of the secondary central body.

Furthermore, the first-stage guide groove and the second-stage guide groove are channel steel, and the channel steel is fixed on the surface of the conical cover.

Furthermore, the primary guide groove and the secondary guide groove are a plurality of ribbed plates which are fixed on the conical cover, and the guide grooves are formed between the ribbed plates.

Furthermore, the primary guide groove and the secondary guide groove are both of structures with narrow upper parts and wide lower parts.

Furthermore, leak holes are formed in the bottoms of the first-stage guide grooves and the second-stage guide grooves, and the first-stage central body is connected with the middle partition plate and the first-stage conical cover through a plurality of connecting rods.

The beneficial effects of the above technical scheme are: the utility model utilizes the secondary buffer body to buffer, homogenize and mix tailing slurry, wherein the middle part of the primary buffer body is provided with a cylinder body, the bottom of the cylinder body is provided with a central leak hole, slurry enters the cylinder body and can continuously fall from the central leak hole onto the secondary buffer body; along with the injection of tailing slurry, the tailing slurry can fill the cylinder, enter each primary guide groove from the upper edge of the cylinder, downwards move along the guide grooves, simultaneously roll along the surface of the primary conical cover, finally fall on the middle partition plate and fall to the surface of the secondary conical cover from the material homogenizing hole; and the central leak hole is positioned in the middle area of the secondary central body, thereby realizing the purposes of material homogenizing, buffering and mixing.

Simultaneously the utility model discloses the avris area at the median septum is provided with the flow increase hole, the downthehole cover of flow increase is equipped with the elbow, and guide the tailing pulp at edge to the second grade guiding groove in, thereby the tailing pulp is cushioned the back by the energy dissipation at the one-level buffering body, thereby tailing pulp kinetic energy on the second grade buffering body is not big, and fall to the storehouse in after the homocline guide in, great reduction the tailing pulp when whereabouts impact original thick liquid in the storehouse, make the tailing pulp freely roll downwards along the inclined plane simultaneously at the buffering in-process, realize the purpose of further mixing.

The utility model discloses increased husky thickness of husky storehouse deposit, increaseed husky storehouse effective use volume, because the effective volume of husky storehouse increases, storehouse bottom accumulated sand height improves, has had sufficient time adjustment before the overflow water is muddy, has practiced thrift overflow water reconcentration purification cost.

Drawings

Fig. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a schematic diagram of a first-stage buffer;

FIG. 4 is a front view of FIG. 3;

FIG. 5 is a top view of FIG. 3;

FIG. 6 is a schematic view of a leak hole structure;

fig. 7 is a schematic diagram of the internal structure of the primary buffer.

Reference numerals: 1 is the storehouse body, 2 is the overflow mouth, 3 is the median septum, 4 is the one-level central body, 5 is the one-level guiding groove, 6 is the one-level toper cover, 7 is central small opening, 8 is the flow increasing hole, 9 is the elbow, 10 is the second grade central body, 11 is the second grade toper cover, 12 is the second grade guiding groove, 13 is the equipartition hole, 14 is the small opening.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

embodiment 1, this embodiment aims at providing a fill sand silo ore falling device, and its mainly used sand silo structure to current fill sand silo ore falling device tailing does not pass through the buffering, and input mortar impacts sediment sand under the action of gravity, further causes the overflow water to be turbid, and the problem that the subsider that adds in the ore pulp does not mix evenly, and this embodiment provides a fill sand silo ore falling device in pit.

As shown in fig. 1-7, a fill husky storehouse ore falling device, including one-level buffer, median septum and second grade buffer, the upper portion of the storehouse body 1 is provided with the overflow mouth, after the tailing pulp is depositd in the storehouse body 1, water discharges from overflow mouth 2, this embodiment is in order to reduce the impact of tailing pulp whereabouts to the tailing pulp in the storehouse, buffer structure has been arranged in the middle part region of the storehouse body 1, come to subtract the kinetic energy of tailing pulp, this embodiment is horizontal in the pan feeding mouth of the storehouse body 1 with median septum 3, thereby the one-level buffer zone on upper portion and the second grade buffer zone of lower part have been formed from top to bottom at median septum 3.

A primary buffer body is arranged in the primary buffer area, the primary buffer body comprises a primary central body 4, a primary conical cover 6 and a primary guide groove 5, the primary central body 4 is of a hollow structure, the upper part of the primary central body 4 is open, the lower part of the primary central body is closed, a central leak hole 7 is arranged in the center of the bottom of the primary central body, the bottom of the primary central body 4 is fixed in the middle of the middle partition plate 3, the upper part of the primary conical cover 6 is fixed on the upper part of the primary central body 4, the lower part of the primary conical cover is fixed on the middle partition plate 3, the primary guide groove 5 is arranged downwards along the inclined plane of the primary conical cover 6, and material equalizing holes 13 which are in one-to-one correspondence with the primary guide grooves are arranged on the middle partition plate 3; the upper part of the primary guide groove 5 is communicated with the upper part of the primary central body 4; in this embodiment, the tailing slurry firstly enters the first-stage central body 4, after the first-stage central body 4 is full of, overflows into each first-stage guide groove 5 from the upper part of the first-stage central body, and the first-stage guide grooves are of an inclined downward structure, so that the tailing slurry flows downwards along the inclined surface, the vertical kinetic energy is reduced in the priming process, and meanwhile, the tailing slurry is mixed on the inclined surface.

Arrange the second grade buffer in the second grade buffer, the second grade buffer includes second grade central body 10, second grade toper cover 11 and second grade guiding groove 12, the upper portion of second grade central body 10 is fixed with second grade toper cover 11, has arranged second grade guiding groove 12 along its inclined plane direction downwards on the second grade toper cover 11, second grade central body 10 is under one-level central body 4, just second grade toper cover 11 is bigger than one-level toper cover 6.

Arrangement of one-level guiding groove 5 and second grade guiding groove 12 mainly has reposition of redundant personnel and guide effect, can be channel-section steel (U-shaped) on concrete structure, the channel-section steel is fixed on the surface of toper cover, perhaps one-level guiding groove 5 and second grade guiding groove 12 are many floors, the floor is fixed on the toper cover, form the guiding groove between the floor, two kinds of structures homoenergetic produce a plurality of inclined planes of following and arrange, and have the function that certain separation was equallyd divide, according to the structure of cone, one-level guiding groove 5 and second grade guiding groove 12 are upper portion narrow, the wide structure in lower part.

In order to increase the discharge capacity, the embodiment is provided with an orifice 8 on the outside of the intermediate partition, the bottom of the orifice 8 being provided with an elbow 9, said elbow 9 directing the marginal slurry into a secondary guide 12 towards the axis of the secondary central body 10.

In a further alternative embodiment, as shown in fig. 6-7, the first stage guiding groove 5 and the second stage guiding groove 12 of this embodiment have a leakage hole 14 at the bottom, the first stage central body is connected with the middle partition plate and the first stage conical cover through a plurality of connecting rods, and the tailing slurry in the guiding grooves can directly fall onto the second stage conical cover at the lower part through the leakage hole 14.

In the working of the embodiment, the slurry firstly enters the primary central body 4 and can continuously fall from the central leak hole 7 to the secondary buffer body 10 (the middle area); along with the injection of tailing slurry, the tailing slurry can fill the cylinder, enter each primary guide groove 5 from the upper edge of the cylinder, downwards move along the guide grooves, simultaneously roll along the surface of the primary conical cover 6, finally fall on the middle partition plate, and fall to the surface of the secondary conical cover 11 from the material homogenizing hole; and the central leak hole falls in the middle area of the secondary central body 10, thereby achieving the purposes of material homogenizing, buffering and mixing.

The flow-increasing hole guides tailing slurry at the edge into the second-stage guide groove 12 through the elbow, so that the tailing slurry is buffered by the first-stage buffer body and then is dissipated, kinetic energy of the tailing slurry on the second-stage buffer body is not large, the tailing slurry is guided by the material homogenizing guide and then falls into the bin, impact on original slurry in the bin is greatly reduced when the tailing slurry falls, meanwhile, the tailing slurry freely rolls downwards along the inclined plane in the buffering process, and the purpose of further mixing is achieved.

The embodiment is illustrated by a certain item, the existing ore pulp enters a sand bin and then is precipitated, although a settling agent is added, when the precipitated sand is below 14 m in the precipitated thickness at the bottom of the bin, the overflow water is clear, when the thickness of the precipitated sand is higher than 14 m, the overflow water is turbid, and when the height of the precipitated sand is 21 m, the concentration of the overflow water reaches 11%; the volume of the sand bin cannot be fully utilized, the thickness of deposited sand and the bin dumping time cannot be fully measured, and the turbid overflow water of the sand bin can be used after being concentrated and purified again to increase the concentration and purification cost; after the implementation, the thickness of the deposited sand in the sand bin is increased to 21 m, the effective use volume of the sand bin is increased, and the overflow water begins to be turbid only when the deposited sand at the bottom of the sand bin reaches 23 m due to the increase of the effective volume of the sand bin, so that enough measurement time is provided for adjustment, and enough time is provided for adjustment before the overflow water is turbid, thereby saving the cost for reconcentrating and purifying the overflow water.

Claims (6)

1. A sand bin filling ore falling device is characterized by comprising a primary buffer body, a middle partition plate and a secondary buffer body, wherein the middle partition plate is transversely arranged at the upper part of a bin body, the primary buffer body comprises a primary central body, a primary conical cover and a primary guide groove, the primary central body is of a hollow structure, the upper part of the primary central body is open, the lower part of the primary central body is closed, a central leak hole is formed in the center of the bottom of the primary central body, the bottom of the primary central body is fixed in the middle of the middle partition plate, the upper part of the primary conical cover is fixed on the upper part of the primary central body, the lower part of the primary conical cover is fixed on the middle partition plate, the primary guide groove is downwards arranged along the inclined plane of the primary conical cover, and material equalizing holes which are in one-to-one correspondence with the primary guide grooves are formed in the middle partition plate; the upper part of the primary guide groove is communicated with the upper part of the primary central body; the second grade buffer includes second grade central body, second grade toper cover and second grade guiding groove, the upper portion of second grade central body is fixed with the second grade toper cover, and the second grade toper cover one-level has arranged the second grade guiding groove along its inclined plane direction, the second grade central body is under the one-level central body, just the second grade toper cover is bigger than the one-level toper cover.

2. The filled sand silo ore breaking device of claim 1, wherein: the outer side of the middle partition plate is provided with a flow increasing hole, the bottom of the flow increasing hole is provided with an elbow, and the elbow faces to the axis of the secondary central body.

3. The filled sand silo ore breaking device of claim 1, wherein: the first-stage guide groove and the second-stage guide groove are channel steel, and the channel steel is fixed on the surface of the conical cover.

4. The filled sand silo ore breaking device of claim 1, wherein: the first-stage guide groove and the second-stage guide groove are a plurality of ribbed plates which are fixed on the conical cover, and the guide grooves are formed between the ribbed plates.

5. The filled sand silo ore breaking device of claim 1 or 4, wherein: the first-stage guide groove and the second-stage guide groove are both of structures with narrow upper parts and wide lower parts.

6. The filled sand silo ore breaking device of claim 1, wherein: the bottom of the first-stage guide groove and the bottom of the second-stage guide groove are provided with leakage holes, and the first-stage central body is connected with the middle partition plate and the first-stage conical cover through a plurality of connecting rods.

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