CN114392912A

CN114392912A - Banana sieve plate, banana sieve net cage and banana sieve

Info

Publication number: CN114392912A
Application number: CN202111451532.3A
Authority: CN
Inventors: 李松奕; 王宏利; 曹建宝; 王亚轩; 王延鹏; 李达
Original assignee: Tangshan Landsky Technology Co ltd
Current assignee: Tangshan Landsky Technology Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-26

Abstract

The invention discloses a banana screen plate, a banana screen net cage and a banana screen, wherein the banana screen plate comprises a plurality of sections of sub-screen plates, the plurality of sections of sub-screen plates are sequentially arranged along the front direction and spliced into a slide shape, the inclination angles of the plurality of sections of sub-screen plates and the horizontal plane are sequentially reduced from front to back, the inclination angle of the sub-screen plate positioned at the foremost side and the horizontal plane is not more than 40 degrees, the inclination angle of the sub-screen plate positioned at the rearmost side and the horizontal plane is not less than 3 degrees, the plurality of sections of sub-screen plates are spliced into the slide-ladder-shaped screen plate, namely a certain included angle is formed between two adjacent sections of sub-screen plates, so that materials at the feeding end of the screen plates can be rapidly spread, and meanwhile, the materials can be fully remained on each section of sub-screen plate to realize the full screening of the materials.

Description

Banana sieve plate, banana sieve net cage and banana sieve

Technical Field

The invention belongs to the field of banana screens, and particularly relates to a banana screen plate, a banana screen net cage and a banana screen.

Background

The banana screen is mainly used in coal, mining, metallurgy and other industries and plays an important role in cleaning, grading, dewatering, desliming and medium removal. In recent years, in order to adapt to the construction and development of large coal preparation plants and ore dressing plants with high efficiency, energy conservation and environmental protection in China, banana sieves for material classification gradually develop towards large-scale, and the market demand of large banana sieves with the treatment capacity of kiloton per hour is larger and larger. For large banana screens, materials on the screen plates of the large banana screens on the market are difficult to spread rapidly on the screen plates in time, and the screening effect is reduced due to the fact that the materials are too fast to slide out through the discharging end due to the fact that the inclination angle of the screen plates is simply increased.

Disclosure of Invention

In order to solve the above technical problems, an object of the present invention is to provide a banana screen plate which has a simple structure, can quickly spread the material at the feeding end, and can ensure sufficient screening.

In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a banana sieve plate, includes many sections sub-sieve, and the multistage sub-sieve sets up and splices in proper order along the fore-and-aft direction and is the slide form, the multistage sub-sieve reduces in proper order after by preceding with the inclination of horizontal plane, and is located foremost sub-sieve is no longer than 40 with the inclination of horizontal plane, is located the rearmost sub-sieve is not less than 3 with the inclination of horizontal plane.

The beneficial effects of the above technical scheme are that: through setting up the sub-sieve of multistage to splice into the sieve of slide form by the sub-sieve of multistage, present certain contained angle between two sections adjacent sub-sieve promptly, so make the material of sieve feed end can be rapidly spread out and simultaneously can also be in order to realize the abundant screening of material in order to stop on every section sub-sieve fully.

In the technical scheme, the sub-sieve plate is provided with 3-10 sections.

The beneficial effects of the above technical scheme are that: thus, the whole screen plate has better buffering performance.

In the technical scheme, the sub-sieve plate is provided with 6 sections, and the inclination angles of the sub-sieve plate and the horizontal plane are 27 degrees, 23 degrees, 19 degrees, 15 degrees, 11 degrees and 7 degrees from front to back in sequence.

The beneficial effects of the above technical scheme are that: therefore, the materials can be spread rapidly and screened rapidly, and the residence time of the materials on the screen plate and the screening efficiency are optimized.

The size of the sub-sieve plate in the technical scheme is consistent.

The beneficial effects of the above technical scheme are that: therefore, the sub-sieve plate can be manufactured in a unified specification during preparation, so that the manufacturing cost is lower, and the preparation efficiency is higher.

In the technical scheme, the sub-sieve plates are integrally formed.

The beneficial effects of the above technical scheme are that: its simple structure just makes the intensity of sieve high.

The invention also aims to provide a banana screen net box which can quickly spread materials at a feeding end and ensure full screening.

In order to achieve the above object, another technical solution of the present invention is as follows: a banana sieve net cage comprises the banana sieve plate.

The beneficial effects of the above technical scheme are that: so make the material screening effect good, the material is spread rapidly simultaneously.

Among the above-mentioned technical scheme banana sieve plate is equipped with the multilayer, and the multilayer banana sieve plate sets up along upper and lower direction interval in proper order, and the multilayer the sieve mesh eyelet area of banana sieve plate reduces from top to bottom in proper order.

The beneficial effects of the above technical scheme are that: thus, multi-stage screening of materials can be realized.

In the technical scheme, the banana screen plate is provided with three layers.

The beneficial effects of the above technical scheme are that: four-stage screening of the material can be realized in this way.

The invention further aims to provide a banana sieve capable of quickly sieving materials.

In order to achieve the above object, another technical solution of the present invention is as follows: a banana sieve comprises the banana sieve net cage.

The beneficial effects of the above technical scheme are that: the treatment capacity is large, the screening efficiency is high, and the screening effect is good.

Drawings

FIG. 1 is a schematic view of a structure of a screen plate of a banana screen according to example 1 of the present invention;

FIG. 2 is a schematic view of a banana screen cage according to embodiment 2 of the present invention;

FIG. 3 is a schematic view of the banana screen of example 3 of the present invention;

fig. 4 is a rear view of the banana screen of example 3 of the present invention.

In the figure: 1 banana sieve net cage, 11 banana sieve plates, 111 sub sieve plates and 2 forced synchronous box type vibration exciters.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

Example 1

As shown in fig. 1, this embodiment provides a banana sieve plate, including many sections sub-sieve plate 111, and the multistage sub-sieve plate 111 sets up in proper order and splices in the front-and-back direction and is the slide form, the multistage sub-sieve plate 111 reduces by preceding back in proper order with the inclination of horizontal plane, and is located foremost the inclination of sub-sieve plate 111 and horizontal plane is no longer than 40, is located the rearmost the inclination of sub-sieve plate 111 and horizontal plane is not less than 3, through setting up many sections sub-sieve plates to splice into the sieve of slide form by many sections sub-sieve plates, present certain contained angle between two sections adjacent sub-sieve plates promptly, so make the material of sieve feed end can also can be in order to realize the abundant screening of material in abundant stay on every section sub-sieve plate when spreading rapidly.

Preferably, in the above technical solution, the sub-sieve plate 111 is provided with 3 to 10 sections, so that the whole sieve plate has better buffering performance.

Further preferably, in the above technical solution, the sub-sieve plate 111 has 6 sections, and the inclination angles of the multiple sections of the sub-sieve plate 111 and the horizontal plane are 27 °, 23 °, 19 °, 15 °, 11 ° and 7 ° sequentially from front to back, so that the material can be spread rapidly and sieved rapidly, and the residence time of the material on the sieve plate and the sieving efficiency are optimized. Further preferably, the sizes of the multiple sections of the sub-sieve plates are consistent, so that the sub-sieve plates can be manufactured in a unified specification during manufacturing, the manufacturing cost is lower, the manufacturing efficiency is higher, the sieve plates corresponding to the structure can rapidly pass through a large-angle area at the front end of the sieve plate due to large-particle-level materials, the passing speed of small-particle-level powder materials is slower than that of the large-particle-level materials, at the moment, the large-angle area can accelerate material layering to enable small materials to rapidly pass through the sieve in advance, the material running speed is reduced along with the continuous reduction of the inclination angle of the sieve surface, meanwhile, the materials on the sieve surface are gradually reduced due to passing through the sieve, the thickness of the materials on the sieve surface is kept approximately equal, the materials are easy to roll and layer, the material running speed is improved, and the processing capacity of equipment is increased.

Preferably, a plurality of among the above-mentioned technical scheme sub-sieve integrated into one piece, its simple structure just makes the intensity of sieve high.

Example 2

As shown in fig. 2, the present embodiment provides a banana screen net cage, which includes the banana screen plate 11 according to embodiment 1, so that the material screening effect is good, and the material is spread out quickly.

Preferably, in the above technical solution, the banana screen plate 11 is provided with a plurality of layers, and the banana screen plate 11 is sequentially arranged at intervals in the vertical direction, and the areas of the screen holes of the banana screen plate 11 are sequentially reduced from top to bottom (the screen holes on the same banana screen plate are identical in shape and size, and may be round holes, regular polygonal holes, or rectangular holes), so that the multistage screening of the material can be realized.

Further preferred, among the above-mentioned technical scheme banana sieve plate 11 is equipped with the three-layer, so can realize the level four screening of material (sieve out the material of four kinds of different particle diameter specifications promptly), and the three-layer banana sieve net box that concrete this structure corresponds can be under the big condition of pan feeding end feed volume, because the sifting surface inclination of three-layer sieve plate is big, makes the quick layering of material, thereby the quick motion accelerates the material and crosses sieve speed to make the quick screening of material.

Example 3

As shown in fig. 3, the present embodiment provides a banana sieve, which includes the banana sieve net cage 1 according to embodiment 2, and has high sieving efficiency and good sieving effect.

As shown in fig. 4, according to the banana screen provided by this embodiment, one, two, or three forced synchronous box type vibration exciters 2 may be selected to be connected in series (where the series connection manner of the forced synchronous box type vibration exciters belongs to the prior art and is not described herein) according to the model of the banana screen and the magnitude of the excitation force of the box type vibration exciters, one or two forced synchronous box type vibration exciters 2 are adopted for the banana screen with a width of less than 2.4m, and two or three forced synchronous box type vibration exciters 2 are connected in series for the banana screen with a width of 2.4-4.3m, so that the distribution of the vibration force of the net boxes of the banana screen is more uniform.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a banana sieve plate, its characterized in that includes many sections sub-sieve board (111), and the multistage sub-sieve board (111) set gradually and splice along the fore-and-aft direction and are the slide form, the multistage sub-sieve board (111) and the inclination of horizontal plane reduce by preceding in proper order afterwards, and are located foremost sub-sieve board (111) are no longer than 40 with the inclination of horizontal plane, are located the rearmost sub-sieve board (111) are not less than 3 with the inclination of horizontal plane.

2. The banana screen deck according to claim 1, wherein the sub-screen deck (111) is provided with 3-10 segments.

3. The banana screen plate according to claim 2, wherein the sub-screen plate (111) is provided with 6 segments, and the inclination angles of the sub-screen plates (111) to the horizontal plane of the segments are 27 °, 23 °, 19 °, 15 °, 11 ° and 7 ° in sequence from front to back.

4. The banana screen deck as recited in claim 1, characterized in that a plurality of segments of the sub-screen deck (111) are of uniform size.

5. The banana screen deck according to any one of claims 1-4, wherein a plurality of the sub-screen decks (111) are integrally formed.

6. A banana screen mesh cage, characterized in that it comprises a banana screen mesh panel (11) according to any one of claims 1-5.

7. The banana screen mesh cage according to claim 6, wherein the banana screen plates (11) are provided with a plurality of layers, the banana screen plates (11) are sequentially arranged at intervals in the up-down direction, and the mesh areas of the banana screen plates (11) are sequentially reduced from top to bottom.

8. The banana screen mesh cage according to claim 7, characterized in that the banana screen plates (11) are provided with three layers.

9. A banana screen, characterized in that it comprises a banana screen cage (1) according to any of claims 6-8.