CN222504873U - Dust removal device and grain dryer - Google Patents

Abstract

The utility model relates to a dust removal device, comprising: a dust removal shell, comprising a feed port, a discharge port, and a dust removal port, all of which are connected to a dust removal chamber, and the feed port and the dust removal port are both located at the top of the dust removal shell; two symmetrically arranged inclined plates are provided in the dust removal chamber, and the two inclined plates are respectively arranged below the feed port and the dust removal port; the discharge port is located at the bottom of the dust removal shell, and between the two inclined plates. A throw-off plate assembly is provided on the dust removal shell; the throw-off plate assembly includes a throw-off plate, and the throw-off plate is arranged below the discharge port. The dust removal device of the utility model reduces the risk of grains and food being extracted and improves reliability by arranging the feed port and the dust removal port relative to each other. The throw-off plate located below the discharge port cooperates with the dust removal treatment to evenly scatter the grains treated with dust removal in the drying bin of the grain dryer, which is not easy to generate tilting force, thereby reducing the risk of the main body of the dryer tilting or collapsing.

Description

Dust collector and grain dryer

Technical Field

The utility model relates to the technical field of dust removal of grain drying, in particular to a dust removal device and a grain dryer.

Background

Grain is typically dried after harvesting for storage. The grain drying mechanization technology adopts machinery as a main means, adopts corresponding process and technical measures to artificially control factors such as temperature, humidity and the like, and reduces the water content in grains on the premise of not damaging the grain quality so as to lead the grain to reach the national safe storage standard. The grain drying mechanization technology changes the traditional method that the grain drying simply depends on natural sunlight to turn over and sun on a sunning ground for a long time, and advances one step toward comprehensively realizing agricultural mechanization and modernization.

The dryer has the characteristics of simple structure, high drying efficiency, good drying quality and the like. Most of the dryers adopt a tower type box body structure, so that grains flow through the drying chamber from top to bottom and are mixed with hot air in the drying chamber, and the effect of removing moisture on the surfaces and in the grains is achieved. So the dryer is widely used for drying grains.

Various agricultural harvesting machines are also rapidly rushed to farmlands, and the efficiency of the agricultural harvesting machines is greatly improved compared with that of the prior manual harvesting machines. People are not restricted to airing themselves (here, the airing is performed by natural light on a sunning ground, so that the space is occupied, and time and labor are wasted).

Most of the grain is harvested from the field and sold to a grain station directly, and then is dried in a drying center. Such grains have a large water content and a large amount of impurities such as dust, and are liable to be adhered and clogged when dried in a dryer. The dried grain is relatively dirty and poor in quality. The dust removing system of the common chute dryer is arranged in the middle of the chute so as to realize the dust removing effect. The dust removing structure is easy to extract grains, the grains are unevenly piled after falling, and side tilting force is easy to generate, so that the main body of the dryer is inclined, and the risk of collapse exists.

Disclosure of utility model

The utility model provides a dust removing device and a grain dryer, which are used for solving the technical problems that the existing dust removing mechanism is arranged in the middle of a grain chute, grains are easy to withdraw, the grains are unevenly stacked after falling, side tilting force is easy to generate, the main body of the dryer is inclined, and the risk of collapse exists.

The utility model discloses a dust removing device which comprises a dust removing shell and a throwing disc assembly. The dust removing shell comprises a dust removing cavity, a feeding hole, a discharging hole and a dust removing hole, wherein the feeding hole, the discharging hole and the dust removing hole are all communicated with the dust removing cavity, the feeding hole and the dust removing hole are all positioned at the top of the dust removing shell, two symmetrically arranged inclined plates are arranged in the dust removing cavity, the two inclined plates are respectively arranged below the feeding hole and the dust removing hole, and the discharging hole is positioned at the bottom of the dust removing shell and between the two inclined plates. The throwing disc assembly is arranged on the dust removal shell and comprises a throwing disc which is arranged below the discharge hole.

Further, the distance between the two inclined plates and the end, which is close to the top of the dust removal shell, is larger than the distance between the two inclined plates and the end, which is close to the bottom of the dust removal shell.

Further, the dust removal opening is provided with a dust removal pipe in a necking shape, and the dust removal pipe is provided with a fan.

Further, the discharge port is funnel-shaped.

Further, the throwing disc assembly further comprises a motor and a rotating shaft, the motor is arranged at the top of the dust removing shell, the rotating shaft penetrates through the dust removing shell, one end of the rotating shaft is connected with the output end of the motor, and the other end of the rotating shaft is detachably connected with the throwing disc.

Further, the throwing disc assembly further comprises a speed reducer, and the speed reducer is arranged between the motor and the rotating shaft.

Further, a guide wing piece is arranged at the edge of the material throwing disc.

Further, the included angle between the inclined plate and the top of the dust removing shell is 40-60 degrees.

Further, an access window is arranged on the side wall of the dust removal shell.

The utility model also discloses a grain dryer, which comprises the dust removing device according to any one of the embodiments, wherein the dust removing device is arranged at the top of a drying bin of the grain dryer.

The dust removing device and the grain dryer provided by the utility model can realize the following technical effects:

1. According to the dust removing device, the feeding port and the dust removing port are arranged oppositely, so that the risk of extracting grains and grains is reduced, and the reliability is improved. And the grain after dust removal treatment is uniformly scattered in the drying bin of the grain dryer by being matched with the material throwing disc below the discharge hole, so that tilting force is not easy to generate, and the risk of tilting and collapsing of the main body of the dryer is reduced.

2. The dust removing device disclosed by the utility model has the characteristics of convenience in installation and high reliability, and can be suitable for a grain dryer with a chute for conveying grains at the top.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the utility model.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which:

FIG. 1 is an exploded view of one embodiment of a dust extraction device of the present utility model;

FIG. 2 is a schematic partial cross-sectional view of an embodiment of a dust extraction device of the present utility model;

FIG. 3 is a schematic view of an embodiment of a slinger assembly of a dust extraction device of the present utility model;

fig. 4 is a schematic view of an embodiment of a grain dryer of the present utility model.

Reference numerals:

1. The dust removing device comprises a dust removing shell, 11 parts of a dust removing cavity, 12 parts of a feeding hole, 13 parts of a dust removing hole, 14 parts of a discharging hole, 15 parts of an inclined plate, 16 parts of a dust removing pipe, 17 parts of an access window, 2 parts of a throwing disc assembly, 21 parts of a motor, 22 parts of a speed reducer, 23 parts of a rotating shaft, 24 parts of a throwing disc, 25 parts of a stirring blade, 26 parts of a guiding fin, 3 parts of a drying bin, 4 parts of a shaft coupling.

Detailed Description

For a more complete understanding of the nature and the technical content of the embodiments of the present utility model, reference should be made to the following detailed description of embodiments of the utility model, taken in conjunction with the accompanying drawings, which are meant to be illustrative only and not limiting of the embodiments of the utility model. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.

The terms first, second and the like in the description and in the claims of embodiments of the utility model and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the utility model herein. Furthermore, the terms "comprising," "including," and "having," and any of them

What is modified is intended to cover the non-exclusive inclusion.

In the embodiments of the present utility model, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate the azimuth or the positional relationship based on the azimuth or the positional relationship shown in the drawings. These terms are only used to facilitate a better description of embodiments of the utility model and their examples and are not intended to limit the scope of the indicated devices, elements or components to the particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in embodiments of the present utility model will be understood by those of ordinary skill in the art in view of the specific circumstances.

In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, the term "coupled" may be a fixed connection, a removable connection, or a unitary construction, may be a mechanical connection, or an electrical connection, may be a direct connection, or may be an indirect connection via an intermediary, or may be an internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

The term "plurality" means two or more, and "plurality" means two or more.

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

As shown in fig. 1 and 2, the utility model discloses a dust removing device, which comprises a dust removing shell 1 and a throwing disc assembly 2. The section of the dust removal shell 1 is trapezoidal, and the top area of the dust removal shell 1 is larger than the bottom area of the dust removal shell 1. The inside structure of dust removal casing 1 has dust removal chamber 11, and the top of dust removal casing 1 is constructed with feed inlet 12 and dust removal mouth 13, and the bottom of dust removal casing 1 is constructed with discharge gate 14, and discharge gate 14, feed inlet 12, dust removal mouth 13 all communicate with dust removal chamber 11. The feeding port 12 is arranged opposite to the dedusting port 13, so that the risk that grains and grains are extracted is reduced, and the reliability is improved. The discharge gate 14 is located the middle part position of the bottom of dust removal casing 1, and discharge gate 14 is the funnel form. The two side walls at the two ends of the dust removing shell 1 in the length direction can be regarded as inclined plates 15, an included angle alpha is formed between the inclined plates 15 and the top of the dust removing shell 1, and the value range of the included angle alpha is 40-60 degrees. The distance between the ends of the two inclined plates 15 near the top of the dust removing shell 1 is larger than the distance between the ends of the two inclined plates 15 near the bottom of the dust removing shell 1. The discharge port 14 is positioned between one ends of the two inclined plates 15 close to the bottom of the dust removal shell 1, and the two inclined plates 15 which are obliquely arranged are matched with the funnel-shaped discharge port 14 so as to facilitate grains to be more convenient

Well gathered at the discharge port 14 and smoothly enters the material throwing disc 24 of the material throwing disc assembly 2.

One inclined plate 15 is located below the feed inlet 12, and the inclined plate 15 is obliquely arranged in a manner that the inclined plate can be matched with grains entering the dust removing cavity 11 through the feed inlet 12 in a free falling manner to remove dust. The other inclined plate 15 is located below the dust removing opening 13, and the inclined plate 15 is arranged in an inclined manner to assist part of grains entering the dust removing cavity 11 to remove dust again.

Optionally, as shown in fig. 1, a dust removing pipe 16 is disposed at the dust removing opening 13 of the dust removing casing 1, the dust removing pipe 16 is in a necking shape, that is, the inner diameter of one end of the dust removing pipe 16 close to the dust removing casing 1 is larger than the inner diameter of one end of the dust removing pipe 16 far away from the dust removing casing 1, a fan is disposed at one end of the dust removing pipe 16 far away from the dust removing casing 1, the dust removing pipe 16 with the structure is convenient for the dust removing pipe 16 to cooperate with the fan to generate negative pressure to pump out dust and impurities generated by dropping grains in the dust removing cavity 11, and dust is removed from the grains.

Optionally, as shown in fig. 1 and 2, a square window is formed on the side wall of the dust removal housing 1, and an access window 17 is disposed at the window. The access panel 17 is made of a transparent material, so that an operator can observe and overhaul the situation in the dust removing cavity 11 directly, and the access panel 17 is made of organic glass, for example. The access panel 17 is made of a metal material, so that an operator can conveniently access the dust removing cavity 11, and the access panel 17 is made of stainless steel, for example. The four corners of the square window are provided with fixing holes, the corresponding positions of the four corners of the access window 17 are also provided with fixing holes, the square window is covered by the access window 17, bolts sequentially penetrate through the fixing holes of the access window 17 and the fixing holes of the dust removal shell 1, and the detachable connection of the access window 17 and the dust removal shell 1 is realized.

As shown in fig. 1 and 2, the swing plate assembly 2 is disposed on the dust removal housing 1. The throwing disc assembly 2 comprises a motor 21, a speed reducer 22, a rotating shaft 23 and a throwing disc 24. One end of the rotating shaft 23 enters the dust removing cavity 11 of the dust removing shell 1, the other end of the rotating shaft 23 is positioned outside the dust removing cavity 11 and right below the discharge hole 14, and the rotating shaft 23 and the discharge hole 14 are coaxially arranged. The input shaft of the speed reducer 22 is mutually perpendicular to the output shaft of the speed reducer, the speed reducer 22 is arranged at the top of the dust removal shell 1, and the speed reducer 22 is positioned between the feed inlet 12 and the dust removal opening 13. The output shaft of the speed reducer 22 penetrates through the top of the dust removal shell 1 and enters the dust removal cavity 11, and the output shaft and the rotating shaft 23 are positioned at one end of the dust removal cavity 11 and are detachably connected through the coupler 4. The motor 21 is arranged at the top of the dust removal shell 1, and an output shaft of the motor 21 is detachably connected with an input shaft of the speed reducer 22 through a coupler. One end of the rotating shaft 23, which is positioned below the discharge hole 14, is fixedly connected with the material throwing disc 24 and is positioned at the center of the material throwing disc 24.

Optionally, as shown in fig. 3, a plurality of stirring blades 25 are further disposed on the rotating shaft 23, the plurality of stirring blades 25 are uniformly distributed around the rotating shaft 23, and the plurality of stirring blades 25 are all located in the dust removing cavity 11.

Stirring vane 25 passes through screw detachably and sets up on pivot 23, and stirring vane 25 gets into dust removal intracavity 11 from feed inlet 12 at the grain, and stirring vane 25 can break up the grain, and supplementary dust removal casing 1 removes dust, can increase the dust removal effect of grain like this.

Optionally, as shown in fig. 1 to 3, a plurality of guide tabs 26 are provided at the edge of the slinger tray 24. The guide vane 26 has a C-shaped cross-section. The plurality of guide fins 26 are uniformly distributed around the material throwing disc 24, so that grains in the material throwing disc 24 can be more uniformly scattered into a drying bin of the grain dryer.

As shown in fig. 1, 2 and 4, the present utility model also discloses a grain dryer, which includes the dust removing device according to any one of the above embodiments. The dust collector is arranged at the top of the drying bin 3 of the grain dryer. The discharge gate 14 of dust collector is located stoving storehouse 3, and discharge gate 14 is located the top of stoving storehouse 3. The grain chute of the dryer is directly inserted into the feed inlet 12 of the dust removing device without flange connection.

Application scenario of an exemplary embodiment:

As shown in fig. 1 to 4, the dust removing device is first installed at the top of the drying bin 3 of the grain dryer. And the discharge hole 14 of the dust removing shell 1 and the throwing disc assembly 2 of the dust removing device are both positioned in the drying bin 3, and the discharge hole 14 is positioned at the top of the drying bin 3. The grain elephant trunk of drying-machine inserts in dust collector's feed inlet 12 directly, need not through flange joint, convenient and fast.

In the drying process of grains, the grains are lifted to the upper part by using a lifting machine, then the grains slide down by gravity and enter the dust removing cavity 11 through the feed inlet 12 of the dust removing shell 1. Meanwhile, the fan on the dust removing pipe 16 is in a working state and generates negative pressure to pump out dust and impurities in the dust removing cavity 11. After the grains enter the dust removing cavity 11, the grains firstly fall onto the inclined plate 15 below the feed inlet 12 and splash, and the grains are subjected to dust removing treatment in a falling and beating mode. And then part of the grains enter the hopper-shaped discharge hole 14 along the inclined plate 15 positioned below the feed hole 12. The other part of grains are splashed up and are impacted and scattered by the stirring blades 25 on the rotating shaft 23, and the dedusting treatment is carried out again. A part of the scattered grains fall back to the inclined plate 15 below the feed inlet 12 and enter the discharge port 14, and the other part of grains fall to the inclined plate 15 below the dust removal port 13, impact is generated again to remove dust, and the grains enter the discharge port 14. Grain subjected to multiple dust removal treatment enters the material throwing tray 24 through the discharge hole 14, and is more uniformly scattered into a drying bin of the grain dryer along with the C-shaped guide fins 26 at the edge of the discharge hole 14.

The above description and the drawings illustrate embodiments of the utility model sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The embodiment of the present utility model is not limited to the structure that has been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims (10)

1. A dust removing apparatus, comprising:

The dust removing shell (1) comprises a dust removing cavity (11), a feeding hole (12), a discharging hole (14) and a dust removing hole (13), wherein the feeding hole (12), the discharging hole (14) and the dust removing hole (13) are all communicated with the dust removing cavity (11), the feeding hole (12) and the dust removing hole (13) are all positioned at the top of the dust removing shell (1), two inclined plates (15) which are symmetrically arranged are arranged in the dust removing cavity (11), the two inclined plates (15) are respectively arranged below the feeding hole (12) and the dust removing hole (13), and the discharging hole (14) is positioned at the bottom of the dust removing shell (1) and between the two inclined plates (15);

The throwing disc assembly (2) is arranged on the dust removal shell (1), the throwing disc assembly (2) comprises a throwing disc (24), and the throwing disc (24) is arranged below the discharge hole (14).

2. The dust removing device according to claim 1, wherein,

The distance between one ends of the two inclined plates (15) close to the top of the dust removing shell (1) is larger than the distance between one ends of the two inclined plates (15) close to the bottom of the dust removing shell (1).

3. The dust removing device according to claim 1, wherein,

The dust removal port (13) is provided with a dust removal pipe (16) in a necking shape, and the dust removal pipe (16) is provided with a fan.

4. The dust removing device according to claim 1, wherein,

The discharge hole (14) is funnel-shaped.

5. The dust collector according to any one of claims 1 to 4, wherein the slinger assembly (2) further comprises:

The motor (21) is arranged at the top of the dust removal shell (1);

the dust removal device comprises a dust removal shell (1), a rotating shaft (23), wherein one end of the rotating shaft (23) is connected with the output end of the motor (21), and the other end of the rotating shaft (23) is detachably connected with the material throwing disc (24).

6. The dust collector of claim 5, wherein the slinger assembly (2) further comprises:

and a speed reducer (22) arranged between the motor (21) and the rotating shaft (23).

7. The dust removing device according to claim 1, wherein,

The edge of the material throwing disc (24) is provided with a guide wing piece (26).

8. The dust removing device according to claim 1, wherein,

The included angle between the inclined plate (15) and the top of the dust removing shell (1) is 40-60 degrees.

9. The dust removing device according to claim 1, wherein,

An access window (17) is arranged on the side wall of the dust removal shell (1).

10. A grain dryer, comprising:

The dust extraction device according to any one of claims 1 to 9, provided at the top of a drying bin (3) of the grain dryer.