CN220836658U - Air classifier - Google Patents

Abstract

The utility model discloses a wind separator, and relates to the technical field of wind separators. Be provided with feed inlet, discharge gate, air intake and air outlet on the shell, the feed inlet is located the top of shell, and the discharge gate is located the bottom of shell, and the inside slant of shell is provided with cooling screen plate, and the inside extension line that uses cooling screen plate of shell divide into upper region and lower district, and the air intake setting is in the lateral part of shell and is located lower region area, and the air outlet is located the position that is higher than the air intake in the upper region area and the position of air outlet. Compared with the prior art, the winnowing machine has the following beneficial effects: the cold air enters from the air inlet to take away the heat of the material, so that the aim of reducing the temperature of the material before storage is fulfilled; at cooling sieve department, cold air flow direction and material flow direction are reciprocal, and cold air can fully contact with the material to all materials can play good cooling effect to take away the tiny particle in the material, and then improve product quality by a wide margin, also improved the technology security simultaneously.

Description

Air classifier

Technical Field

The utility model relates to the technical field of air separators, in particular to an air separator.

Background

In the production process of granular materials such as carbon black, feed and the like, the temperature of a finished product of the granules formed after a plurality of processing procedures is higher, the quality of the products can be influenced by direct storage, in addition, the materials at the stage contain a certain amount of powder, the quality of the products is adversely affected, and process accidents can occur due to improper treatment.

Disclosure of utility model

The present utility model is directed to a wind separator, which solves the problems set forth in the above-mentioned background art.

The specific technical scheme is as follows: an air classifier comprising: the shell is provided with feed inlet, discharge gate, air intake and air outlet on the shell, and the feed inlet is located the top of shell, and the discharge gate is located the bottom of shell, and the inside slant of shell is provided with cooling screen plate, and the extension line that the inside was used cooling screen plate of shell divide into upper region and lower region as the boundary, and the air intake setting is in the lateral part of shell and is located the lower region, and the air outlet is located the position that the position of upper region and air outlet is higher than the air intake.

Further, a distributing plate is obliquely arranged below the feeding hole, the inclination direction of the distributing plate is opposite to that of the cooling screen plate, the lower end of the distributing plate is close to the upper end of the cooling screen plate, and the orthographic projection of the feeding hole falls into the orthographic projection of the distributing plate.

Further, the feed inlet is rectangular, is located shell top one side, and cooling screen plate upper end is close to the feed inlet, lower extreme slant is kept away from the side of feed inlet.

Further, the air outlet is located at the top of the shell and is far away from the position of the feeding hole.

Further, the air inlet is vertical long strip type.

Further, a plurality of sieve channels are arranged on the cooling sieve plate.

Further, the sieve way is inclined from bottom to top to a position close to the air inlet.

Compared with the prior art, the winnowing machine has the following beneficial effects: the cold air enters from the air inlet to take away the heat of the material, so that the aim of reducing the temperature of the material before storage is fulfilled; at the position of the cooling screen plate, the flow direction of the cold air is reciprocal to the flow direction of the materials, the cold air and the materials can be fully contacted, a good cooling effect can be achieved on all the materials, tiny particles in the materials are taken away, the product quality is greatly improved, and meanwhile, the process safety is also improved; the setting of sieve way and slope makes granule material dispersion through cooling sieve, not only is favorable to granule material and cold air fully to contact and cools down, also can avoid the material to agglomerate, and then improves material granularity homogeneity, can also better take away the powder of adhering to on the granule material.

Drawings

Figure 1 is a top view of a winnowing machine according to the utility model,

Figure 2 is a cross-sectional view taken at A-A of figure 1,

Figure 3 is a right side view of the air classifier of the present utility model,

In the figure: 1. the shell, 2, the feed inlet, 3, divide the flitch, 4, cooling sieve, 5, the discharge gate, 6, the air intake, 7, the air outlet, 8, the sieve way, 9, upper region, 10, lower region.

Detailed Description

The present utility model will be described in further detail with reference to the embodiments and the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent. The exemplary embodiments of the present utility model and the descriptions thereof are used herein to explain the present utility model, but are not intended to limit the utility model.

It should be noted that the terms "inner", "outer", "left" and "right" refer to the orientation or positional relationship based on the positional relationship shown in the drawings, and are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

As will be appreciated in connection with fig. 1-3, the air classifier includes: the shell 1 is provided with feed inlet 2, discharge gate 5, air intake 6 and air outlet 7 on the shell 1, and feed inlet 2 is located the top of shell 1, and discharge gate 5 is located the bottom of shell 1, and the inside slant of shell 1 is provided with cooling screen plate 4, and the inside extension line of cooling screen plate 4 of dividing into upper region 9 and lower region 10 of taking of shell 1 as the boundary, and air intake 6 sets up the lateral part at shell 1 and is located lower region 10 regional, and air outlet 7 is located the position that is higher than air intake 6 of upper region 9 regional and the position of air outlet 7.

Principle of: the material flow direction is from the feed inlet 2 to the discharge outlet 5 through the cooling screen plate 4, and is approximately from top to bottom, and the cold air is from the air inlet 6 to the air outlet 7 through the cooling screen plate 4, and inside the air classifier is from bottom to top, and in the cooling screen plate 4, the cold air flow direction is reciprocal with the material flow direction, and in the cooling screen plate 4, the cold air contacts with the material to perform heat exchange and plays a cooling role, and the cold air is discharged from the air outlet 7 under the suction of a fan and takes away part of powder in the material.

In one embodiment, a distributing plate 3 is obliquely arranged below the feeding hole 2, the inclination direction of the distributing plate 3 is opposite to the inclination direction of the cooling screen plate 4, the lower end of the distributing plate 3 is close to the upper end of the cooling screen plate 4, and the orthographic projection of the feeding hole 2 falls into the orthographic projection of the distributing plate 3.

In one embodiment, the feed inlet 2 is strip-shaped and is positioned on one side of the top of the shell 1, the upper end of the cooling screen plate 4 is close to the feed inlet 2, and the lower end of the cooling screen plate is obliquely far away from the side surface of the feed inlet 2.

In one embodiment, the air outlet 7 is located at the top of the housing 1 and away from the feed inlet 2.

In one embodiment, the air intake 6 is vertically elongated.

In one embodiment, a plurality of screening channels 8 are provided on the cooling screen 4.

In one embodiment, the screen 8 slopes from bottom to top toward near the intake 6.

Example 1: as will be appreciated in connection with fig. 2, the air classifier includes: the shell 1 is provided with feed inlet 2, discharge gate 5, air intake 6 and air outlet 7 on the shell 1, and feed inlet 2 is located the top of shell 1, and discharge gate 5 is located the bottom of shell 1, and the inside slant of shell 1 is provided with cooling screen plate 4, and the inside extension line of cooling screen plate 4 of dividing into upper region 9 and lower region 10 for the boundary of shell 1, and feed inlet 2 is located upper region 9, and discharge gate 5 is located lower region 10, and air intake 6 sets up the lateral part of shell 1 and is located lower region 10 region, and air outlet 7 is located upper region 9 region and the position that air outlet 7 is higher than air intake 6.

The working process is as follows: the material enters from the feed inlet 2, flows out from the discharge outlet 5 after passing through the cooling screen plate 4, and the movement direction is approximately from top to bottom; the cold air enters from the air inlet 6, the air flow uniformly blows through the cooling screen plate 4, the cold air and the materials are contacted to perform heat exchange to play a role in cooling in the air classifier, and the cold air is upwards discharged from the air outlet 7, so that tiny particles in the materials can be taken away in the process, the quality of products is greatly improved, and meanwhile, the process safety is also improved.

Example 2: on the basis of the structure of embodiment 1, a material distributing plate 3 is obliquely arranged below the material inlet 2, the inclination direction of the material distributing plate 3 is opposite to the inclination direction of the cooling screen plate 4, the lower end of the material distributing plate 3 is close to the upper end of the cooling screen plate 4, the orthographic projection of the material inlet 2 falls in the orthographic projection of the material distributing plate 3, the upper end of the cooling screen plate 4 is close to the material inlet 2, and the lower end is obliquely far away from the side surface of the material inlet 2. For convenient feeding, the general opening of feed inlet 2 is great, for example designs into rectangular type, and feed inlet 2 is located shell 1 top one side, gets into the inside material of air classifier more and dispersion like this, divides flitch 3 to be a entity board, and the slant is established in feed inlet 2 below, makes it can evenly distributed on cooling screen board 4 through separating the material, avoids the material to concentrate to appear, and the cooling effect is better like this.

Example 3: based on the structure of implementation 2, and with reference to fig. 1 and 3, the air outlet 7 is located at the top of the housing 1 and far away from the feeding port 2, the air inlet 6 is vertically elongated, and the left-view projection of the air inlet 6 falls into the left-view projection of the cooling screen plate 4. Cold air evenly enters the air classifier through the strip-shaped air inlet 6, air flow evenly blows on the cooling screen plate 4, the cooling screen plate 4 is fully contacted with granular materials, good cooling effect can be achieved on all materials, and further product quality is greatly improved.

Example 4: on the basis of the structure of the embodiment 3, the cooling screen plate 4 adopts stainless steel strips to construct a plurality of screens 8, the width of the screens 8 is 5-50mm, and the screens 8 are inclined from bottom to top by 0-30 degrees to the position close to the air inlet 6 according to the particle size of the product, as shown in fig. 2. The design of the screen passage 8 makes the particle materials disperse through the cooling screen plate 4 and further the inclined direction design, so that the particle materials are fully contacted with cold air to cool, the materials can be prevented from agglomerating, the granularity uniformity of the materials is improved, and the attached powder on the particle materials can be taken away better.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any person skilled in the art may make any alterations or modifications to the equivalent embodiments using the technical disclosure disclosed above, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical matter of the present utility model without departing from the technical scope of the present utility model.

Claims (7)

1. An air classifier comprising: a shell (1), a feed inlet (2), a discharge outlet (5), an air inlet (6) and an air outlet (7) are arranged on the shell (1), and the utility model is characterized in that,

The feed inlet (2) is positioned at the top of the shell (1), the discharge outlet (5) is positioned at the bottom of the shell (1), the cooling screen plate (4) is obliquely arranged in the shell (1), the interior of the shell (1) is divided into an upper area (9) and a lower area (10) by taking the extension line of the cooling screen plate (4) as a boundary,

The air inlet (6) is arranged at the side part of the shell (1) and is positioned in the area of the lower area (10), the air outlet (7) is positioned in the area of the upper area (9), and the position of the air outlet (7) is higher than that of the air inlet (6).

2. The air classifier according to claim 1, wherein a distributing plate (3) is obliquely arranged below the feed inlet (2), the inclination direction of the distributing plate (3) is opposite to that of the cooling screen plate (4), the lower end of the distributing plate (3) is close to the upper end of the cooling screen plate (4), and the orthographic projection of the feed inlet (2) falls into the orthographic projection of the distributing plate (3).

3. Air classifier according to claim 1 or 2, characterized in that the feed inlet (2) is strip-shaped and is located at one side of the top of the housing (1), the upper end of the cooling screen plate (4) is close to the feed inlet (2), and the lower end is obliquely far away from the side of the feed inlet (2).

4. A wind separator according to claim 3, characterised in that the air outlet (7) is located at the top of the housing (1) and at a distance from the inlet (2).

5. Air classifier according to claim 4, characterized in that the air inlet (6) is of a vertically elongated shape.

6. Air classifier according to claim 5, characterised in that the cooling screen (4) is provided with a plurality of sieves (8).

7. A wind separator according to claim 6, characterised in that the screen (8) is inclined from bottom to top towards the vicinity of the inlet (6).