CN216661143U

CN216661143U - Protection mechanism for storage coarse-grained iron ore bin

Info

Publication number: CN216661143U
Application number: CN202123151765.XU
Authority: CN
Inventors: 李文林; 洪东和
Original assignee: Fujian Dehua Xinyang Mining Co ltd
Current assignee: Fujian Dehua Xinyang Mining Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-06-03
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a protection mechanism for a storage bin for storing coarse-grained iron ore, which comprises a bin body, wherein the bin body comprises a left side surface, a right side surface, a front side surface, a rear side surface and a bottom surface, the top surface opposite to the bottom surface is an opening, a discharge hole is formed in the bottom surface, the left side surface, the right side surface, the front side surface, the rear side surface and the bottom surface of the bin body respectively comprise a cement bin wall and a protection layer, the protection layer is a plurality of steel pipes, and the steel pipes are distributed along the length direction of the inner surface of the cement bin wall. After the technical scheme is adopted, the protective mechanism for the coarse-grained iron ore storage bin is characterized in that a plurality of seamless steel pipes are vertically arranged on the inner surface of the cement bin wall side by side to serve as protective layers, and the seamless steel pipes are arranged to form a circular arc curve-shaped surface, so that the inner surface of the cement bin wall can be isolated from the original iron ore, the bin body is prevented from being damaged by abrasion and endangering safe use, the inner surface of the bin wall is protected, and safe production is ensured.

Description

Protection mechanism for storage coarse-grained iron ore bin

Technical Field

The utility model relates to a protection mechanism for a storage bin for storing coarse-grained iron ore.

Background

The square stock bin (the material granularity is less than or equal to 500mm) of the I-si crude iron ore has the effective volume of about 300m³The bottom of the bin is provided with a rectangular 1200 mm-800 mm opening for storing and feeding materials before a C106 jaw crusher, and during production, ore materials continuously move downwards under the action of gravity and move relative to the wall of the cement bin to abrade the inner surface of the wall of the cement bin. In order to protect the cement silo wall, wear-resistant manganese 16 steel plates (14mm thick) are lined on the inner surface of the cement silo wall or manganese steel casting pieces (20mm thick) are installed on the inner surface of the cement silo wall to serve as protective layers, the specifications of the wear-resistant manganese 16 steel plates (length, width and thickness) are 1200mm, 800mm, 14mm and 400mm, 400mm and 20mm respectively, but iron ore materials in a silo move downwards under the action of gravity, a large grinding force is generated on the protective layers, the protective layers are quickly worn, and the cement silo wall is perforated only within one year.

The disadvantages are as follows: the surface structure of the manganese steel lining plate protective layer is a plane, the contact area with materials is large, the abrasion is fast, the service life is short, the maintenance amount is large, the maintenance is not timely, the reinforcing steel bars of the cement bin wall are abraded and damaged sometimes, the safe use of the bin is endangered, and the normal production is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention provides a protection mechanism for a bin storing coarse-grained iron ore.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a protection mechanism for storing coarse grain iron ore feed bin, includes the storehouse body, the storehouse body includes left surface, right flank, leading flank and trailing flank and bottom surface, with the relative top surface of bottom surface is the opening, be provided with the bin outlet on the bottom surface, storehouse body left surface, right flank, leading flank and trailing flank and bottom surface all include cement bulkhead, protective layer, the protective layer is a plurality of steel pipes, and is a plurality of the steel pipe is followed the length direction of cement bulkhead internal surface distributes.

Preferably, a plurality of steel pipes are distributed on the inner surface of the cement silo wall at equal intervals.

Preferably, the cartridge body is rectangular in cross-section.

Preferably, the bottom surface of the bin body is of a cone structure.

Preferably, steel surface belts are pre-embedded in the top and the bottom of the cement bin wall corresponding to the left side face, the right side face, the front side face and the rear side face of the bin body, and the head and the tail of each steel pipe are fixedly connected with the steel surface belts positioned on the top and the bottom of the cement bin wall respectively.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

1. according to the protection mechanism for the coarse-grained iron ore storage bin, the plurality of seamless steel pipes are vertically arranged side by side on the inner surface of the cement bin wall to serve as the protection layer, and the plurality of seamless steel pipes are arranged to form the circular arc curve-shaped surface, so that the inner surface of the cement bin wall can be isolated from the original iron ore, the bin body is prevented from being damaged by abrasion and endangering safe use, the effect of protecting the inner surface of the bin wall is achieved, and safe production is ensured.

2. According to the protection mechanism for the storage bin for storing the coarse-grained iron ore, the steel pipes are distributed at equal intervals along the length direction of the inner surface of the cement bin wall, namely, a sunken gap exists between every two adjacent steel pipes, when the raw iron ore enters the bin body, fine-grained ores mixed in the raw iron ore can be filled into the sunken gap formed between every two adjacent steel pipes, and the fine-grained ores embedded in the sunken gap can move relative to the raw iron ore in the bin body, so that the bin body material flow grinds and peels the fine-grained ores, the grinding and peeling amount of seamless steel pipes is reduced, the abrasion of the seamless steel pipes can be delayed, and the production cost is reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front view of the present invention;

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

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 11. a left side surface; 12. a right side surface; 13. a front side; 14. a rear side; 15. a bottom surface; 15a, a discharge opening; 21. a cement silo wall; 22. a steel pipe; a circular arc flange; 3. a steel surface strip; 4. fine grained ore; 5. a recessed gap; 6. raw iron ore.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Examples

Referring to fig. 1, 2 and 3, a protection mechanism for storing coarse grain iron ore feed bin, including the storehouse body, the storehouse body includes left surface 11, right flank 12, leading flank 13 and trailing flank 14 and bottom surface 15, the top surface relative with bottom surface 15 is the opening, be provided with bin outlet (15a) on the bottom surface 15, storehouse body left surface 11, right flank 12, leading flank 13 and trailing flank 14 and bottom surface 15 all include cement bulkhead 21, the protective layer is a plurality of steel pipes 22, the length direction distribution of a plurality of steel pipes 22 along cement bulkhead 21 internal surface. By adopting the structure, namely, a plurality of seamless steel pipes 22 are vertically arranged side by side on the inner surface of the cement silo wall 21 as a protective layer, and the plurality of seamless steel pipes 22 are arranged into a circular arc curve surface, so that the inner surface of the cement silo wall 21 can be isolated from the coarse-grained ore raw iron ore, and the inner surface of the silo wall is protected; and when the seamless steel pipe 22 is worn at the maximum diameter position (the circular arc flange 22 a), fine-grained ores 4 mixed in the raw iron ore 6 can be timely plugged into the inner cavity of the steel pipe 22, so that the fine-grained ores 4 embedded in the inner cavity of the steel pipe keep contacting and relatively moving with the raw iron ore 6 in the bin body, the contact area between the seamless steel pipe 22 and the raw iron ore 6 in the bin body is smaller, the grinding amount of material flow in the bin body is smaller, and the service life of a seamless steel pipe protective layer can be effectively prolonged.

Further, a plurality of steel pipes 22 are distributed on the inner surface of the cement silo wall 21 at equal intervals. Adopt this structure, many steel pipes 22 are along the length direction equal interval distribution of cement bulkhead 21 internal surface, can have gap 5 between two adjacent steel pipes 22 promptly, when former iron ore 6 entered into the storehouse internal, the fine grit ore 4 that mix with in the former iron ore 6 can be filled to the gap 5 that forms between two adjacent steel pipes 22, these fine grit ore 4 of inlaying hanging in gap 5 department can produce relative motion with storehouse internal former iron ore 6, make storehouse internal material flow grind and shell fine grit ore 4, and reduced the mill volume of shelling the seamless steel pipe, thereby can delay the wearing and tearing of seamless steel pipe.

Further, the cross-section of the cartridge body is rectangular.

Further, the bottom surface 15 of the cartridge body is of a pyramidal structure.

Further, steel surface belts 3 are pre-embedded in the top and the bottom of the cement bin wall 21 corresponding to the left side surface 11, the right side surface 12, the front side surface 13 and the rear side surface 14 of the bin body, and the head and the tail of the steel pipe 22 are respectively and fixedly connected with the steel surface belts 3 positioned on the top and the bottom of the cement bin wall 21. By adopting the structure, the steel surface belt 3 is arranged, so that the steel pipe 22 can be better fixed on the bin body.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a protection machanism for storing coarse grain iron ore feed bin, includes the storehouse body, the storehouse body includes left surface (11), right flank (12), leading flank (13) and trailing flank (14) and bottom surface (15), with the top surface that bottom surface (15) are relative is the opening, be provided with bin outlet (15a) on bottom surface (15), storehouse body left surface (11), right flank (12), leading flank (13) and trailing flank (14) and bottom surface (15) all include cement bulkhead (21), protective layer, its characterized in that: the protective layer is a plurality of steel pipes (22), and the plurality of steel pipes (22) are distributed along the length direction of the inner surface of the cement silo wall (21).

2. The protection mechanism for the coarse grain iron ore storage bin according to claim 1, wherein: and a plurality of steel pipes (22) are distributed on the inner surface of the cement bin wall (21) at equal intervals.

3. The protection mechanism for the storage bin of coarse grain iron ore according to claim 1, characterized in that: the cross section of the bin body is rectangular.

4. The protection mechanism for the storage bin of coarse grain iron ore according to claim 1, characterized in that: the bottom surface (15) of the bin body is of a cone structure.

5. The protection mechanism for the coarse grain iron ore storage bin according to claim 1, wherein: the steel surface belts (3) are embedded in the top and the bottom of the cement bin wall (21) corresponding to the left side face (11), the right side face (12), the front side face (13) and the rear side face (14) of the bin body, and the head and the tail of the steel pipe (22) are fixedly connected with the steel surface belts (3) located at the top and the bottom of the cement bin wall (21) respectively.