CN207914149U - A kind of cereal dedusting exclusion device - Google Patents

Abstract

The application discloses a grain dust removal and impurity removal device, comprising: a main body of the dust removal room; a grain inlet opened at one end of the main body of the dust removal room; The first grain inlet at the bottom of the main body of the chamber; the diversion sieve assembly arranged in the main body of the dust removal chamber. The grain dust and impurity removal device provided by this application effectively removes the impurities contained in the grain by using the air volume of the exhaust fan and the flow characteristics of the grain through a special structural design, and can ensure the smoothness of the grain running during the grain drying process and reduce the The impurity content of the grain after drying ensures the quality of grain removal, and at the same time, it can effectively prevent equipment failure and ensure the smooth and efficient operation of grain dust removal. Compared with the existing technology, it can meet the requirements of large-scale dryers for drying grain. The processing capacity has been significantly improved.

Description

A grain dust removal device

technical field

The present application relates to the technical field of agricultural machinery equipment, and more specifically, relates to a grain dust and impurity removal device.

Background technique

During the grain drying process, the grains to be dried are often mixed with impurities such as straw, dust, and grains. During the drying process, if these impurities are mixed in the grains, it will affect the fluidity of the grains during the process. In turn, part of the grain cannot be well circulated, resulting in uneven drying of the grain, and even fermentation. In addition, because the ignition point of the straw is lower than that of the grain, it is easy to burn the straw or even ignite during the drying process, which affects the drying of the grain. Therefore, before the grain is dried, it is an essential step in the grain drying process to remove the impurities contained in the grain.

In the prior art, when grains are cleaned of impurities, it is generally carried out through a vibrating screen, and the vibrating screen is provided with a sieve plate with sieve holes and a driving device for driving the vibration of the sieve plate. When in use, place the grain to be cleaned of impurities on the top of the sieve plate, start the driving device, the sieve plate will vibrate continuously, the grain can pass through the sieve holes of the sieve plate, and other impurities remain on the sieve plate, so that Realize the removal of impurities in the grain. However, in actual operation, because the dust and grains in the impurities can often fall into the grains below through the sieve holes of the sieve plate, the impurities in the grains cannot be removed cleanly, which seriously affects the quality of the impurities removal of the grains; in addition, The straw contained in the grain to be cleaned of impurities is easy to block the sieve holes of the sieve plate, causing equipment failure and seriously affecting the smooth progress of the process of removing impurities in the grain.

Therefore, it is necessary to provide a grain dust removal and impurity removal device with strong processing capacity, which can remove impurities mixed in the grain before the grain is dried, improve the quality of the dried grain, and meet the needs of large-scale dryers. The demand for removing impurities from dried grains has become a technical problem to be solved urgently by those skilled in the art.

Utility model content

In order to solve the above technical problems, this application provides a grain dust removal and impurity removal device, which can remove the impurities mixed in the grain before the grain is dried, improve the quality of the dried grain, and can meet the needs of large-scale drying The processing capacity has been significantly enhanced to meet the needs of the machine for drying and removing impurities.

The technical scheme provided by this application is as follows:

A grain dust removal and impurity removal device, comprising: a main body of a dust removal chamber;

The grain inlet opened at one end of the main body of the dust removal chamber;

The ventilation and miscellaneous discharge opening is set on the main body of the dust removal room and is opposite to the grain inlet;

The first grain silo opening at the bottom of the main body of the dust removal chamber;

The deflector sieve assembly arranged in the main body of the dust removal chamber.

Further, in a preferred mode of the present utility model, the diversion sieve assembly includes: a first-stage diversion sieve arranged in the main body of the dust removal chamber for screening grains and diverting grains that are too late to be screened out , the second-stage diversion sieve plate, the third-stage diversion sieve plate; the angle α1 between the first-stage diversion sieve plate and the side wall of the main body of the dust removal chamber close to the grain inlet is opening downward, and the second-stage guide The angle between the flow sieve plate and the side wall of the main body of the dust removal chamber close to the grain inlet is α2, and the angle between the third-stage guide sieve plate and the side wall of the main body of the dust removal chamber near the grain inlet is downward. Angle α4.

Furthermore, the sieve holes located on the first-stage diversion sieve plate 21 , the second-stage diversion sieve plate 22 , and the third-stage diversion sieve plate 23 are larger than 10 mm.

Further, in a preferred mode of the present invention, the included angle α1 is 38° to 55°, the included angle α2 is greater than the included angle α1 and less than 60°, and the included angle α4 is 30° to 65° .

Further, in a preferred mode of the present invention, a grain deflector is arranged in the main body of the dust removal chamber, and the grain deflector is located under the deflector sieve plate assembly, and the grain deflector is used to guide the screened grain Flows to drying bin or spread pan.

Further, in a preferred mode of the present invention, the angle α3 between the grain deflector and the side wall of the main body of the dust removal chamber close to the grain inlet is an angle α3 with the opening downward, and the angle α3 is greater than 35°.

Further, in a preferred mode of the present utility model, a primary wind deflector and a secondary wind deflector are arranged in the main body of the dust removal chamber, and the primary wind deflector and the secondary wind deflector are used to prevent the air volume in the main body of the dust removal chamber It is discharged from the grain inlet to maintain the air pressure in the main body of the dust removal chamber.

Further, in a preferred mode of the present utility model, the main body of the dedusting chamber is provided with a primary material baffle and a secondary material baffle, and the primary material baffle and the secondary material baffle are arranged between the diversion sieve plate assembly and the exhaust air. Between the miscellaneous outlets, it is used to block the strong grains from the front, so as to prevent the strong grains from being drawn away by the exhaust miscellaneous openings.

Further, in a preferred mode of the present invention, the included angle between the secondary material baffle plate and the horizontal plane is an included angle α5, and the included angle α5 is larger than 35°.

Further, in a preferred mode of the present invention, the main body of the dust collection room is provided with a second grain inlet, the second grain inlet is located away from the grain inlet, and the second grain inlet is located at the secondary stop. It is set under the material plate and corresponds to the secondary baffle plate, which is used to return the strong grains that are discharged from the impurities in the secondary screening to the warehouse.

Further, in a preferred mode of the present utility model, a distance L1 is formed between the upper edge of the primary windshield and the upper side wall of the main body of the dust collection room, and L1 is greater than 10mm, and the lower edge of the primary windshield and the third step The distance L2 is formed between the diversion sieve plates, and L2 is greater than 30mm. The bottom of the main body of the dust collection room has an inner cavity structure, and the upper slope of the inner cavity structure forms a distance L3 from the upper edge vertex of the secondary baffle plate, and L3 is greater than 30mm.

The utility model provides a grain dedusting and impurity removal device, comprising: a main body of a dedusting room, one end of the main body of the dedusting room is provided with a grain inlet, and an air exhaust outlet is arranged opposite to the grain inlet, and a first grain inlet is arranged at the bottom of the main body of the dedusting room. The main body of the dust removal room is equipped with a diversion sieve plate assembly. The grain dust removal and impurity removal device provided by this application, through a special structural design, uses the air volume of the exhaust fan and the flow characteristics of the grain to effectively remove the impurities contained in the grain. , and can ensure the smooth running of the grain during the grain drying process, reduce the impurity rate of the dried grain, ensure the quality of the grain removal, and effectively prevent equipment failures to ensure the smooth and efficient operation of the grain dust removal operation. Compared with the existing technology Compared with that, it can meet the needs of large-scale dryers for dry grain removal, and the processing capacity has been significantly improved.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present application. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of the grain dedusting and impurity removal device that the utility model embodiment provides;

Fig. 2 is the side view of Fig. 1;

FIG. 3 is a top view of FIG. 1 .

Detailed ways

In order to enable those skilled in the art to better understand the technical solution in the application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the drawings in the embodiment of the application. Obviously, the described implementation Examples are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

As shown in Figures 1 to 3, the grain dust removal and impurity removal device provided by the embodiment of the present application includes: a dust removal room main body 1; a grain inlet 11 opened at one end of the dust removal room main body 1; And the exhaust miscellaneous outlet 12 opposite to the grain inlet 11; the first grain inlet 13 opened at the bottom of the dust removal chamber main body 1;

A grain dedusting and impurity removal device provided by an embodiment of the utility model includes: a dust removal chamber main body 1, a grain inlet 11 is provided at one end of the dust removal chamber main body 1, and a draft exhaust outlet 12 is arranged opposite to the grain inlet 11, and the dust removal chamber main body 1 There is a first grain silo opening 13 at the bottom, and a diversion sieve plate assembly 2 is provided in the main body of the dust removal chamber 1. The grain dust removal and impurity removal device provided by this application uses a special structural design to utilize the air volume of the exhaust fan and the grain flow characteristics, effectively remove the impurities contained in the grain, and can ensure the smooth running of the grain during the drying process of the grain, and reduce the impurity rate of the grain after drying, ensure the quality of the grain removal, and effectively prevent equipment failures to ensure that the grain The dust removal operation is carried out smoothly and efficiently. Compared with the existing technology, it can meet the needs of large-scale dryers for removing impurities from dried grains, and the processing capacity has been significantly improved.

In the embodiment of the utility model, the diversion sieve plate assembly 2 includes: a first-stage diversion sieve plate 21 and a second-stage diversion sieve plate 21, which are arranged in the main body 1 of the dust removal chamber and are used to screen grains and divert grains that are too late to screen out. The diversion sieve plate 22, the third stage diversion sieve plate 23; the angle α1 between the first stage diversion sieve plate 21 and the side wall of the main body 1 of the dust removal chamber close to the grain inlet 11 is an opening downward, and the second stage The diversion sieve plate 22 and the side wall of the dust removal chamber main body 1 near the grain inlet 11 form an angle α2 with the opening downward, and the third stage diversion sieve plate 23 and the side wall of the dust removal chamber main body 1 near the grain inlet 11 There is an angle α4 with the opening downward.

Specifically, in the embodiment of the utility model, the included angle α1 is 38° to 55°, the included angle α2 is larger than the included angle α1 and less than 60°, and the included angle α4 is 30° to 65°.

More specifically, the sieve holes located on the first-stage diversion sieve plate 21 , the second-stage diversion sieve plate 22 , and the third-stage diversion sieve plate 23 are larger than 10 mm.

In this embodiment, the special setting of the included angle α1 can prevent grains from accumulating and clogging, and can also select a part of strong grains to flow onto the grain deflector 3, which optimizes the performance of the grain dust removal device; the included angle α2 The special setting of the special setting can make it easier to further separate the grains and impurities to be processed, and optimize the dust removal effect; the special setting of the included angle α4 can make the grain impurities that have not been sieved and cleaned out in the future be discharged to the grain deflector 3. Grains and impurities are separated in the discharge drop, and the lighter impurities and dust are taken away by the draft in the cavity.

In the embodiment of the utility model, the main body 1 of the dedusting chamber is provided with a grain deflector 3, the grain deflector 3 is located under the deflector sieve plate assembly 2, and the grain deflector 3 is used to divert the screened grain to the Dry in bin or spread tray.

Specifically, in the embodiment of the present utility model, the angle α3 between the grain deflector 3 and the side wall of the dust removal chamber main body 1 near the grain inlet 11 is downward, and the angle α3 is greater than 35° to ensure separation. The grains can smoothly flow into the main body of the drying chamber.

In the embodiment of the utility model, a primary wind deflector 4 and a secondary wind deflector 5 are arranged in the dust removal chamber main body 1, and the primary wind deflector 4 and the secondary wind deflector 5 are used to prevent the air volume in the dust removal chamber main body 1 from The grains are discharged from the inlet port 11 to maintain the air pressure in the dust removal chamber main body 1 .

In the embodiment of the utility model, the main body 1 of the dedusting chamber is provided with a primary material retaining plate 6 and a secondary material retaining plate 7, and the primary material retaining plate 6 and the secondary material retaining plate 7 are arranged on the diversion sieve plate assembly 2 and the air exhaust row. Between miscellaneous mouth 12, be used for blocking strong grain in the front, in order to avoid strong grain to be drawn away by exhaust miscellaneous mouth 12.

In the embodiment of the utility model, the included angle between the secondary baffle plate 7 and the horizontal plane is an included angle α5, and the included angle α5 is greater than 35°, which is more convenient for the secondary diverted strong grain to smoothly flow back into the main body of the drying chamber.

In the embodiment of the present utility model, a second grain inlet 14 is arranged in the main body of the dust collection room, and the second grain inlet 14 is set away from the grain inlet 11, and the second grain inlet 14 is located at the secondary blocking plate 7 Below, and corresponding to the secondary baffle plate 7, it is used to return the strong grains that are discharged from the impurities in the secondary screening to the warehouse.

In the embodiment of the utility model, a distance L1 is formed between the upper edge of the primary windshield 4 and the upper side wall of the main body of the dust collection room, and L1 is greater than 10 mm. A distance L2 is formed between them, and L2 is greater than 30mm. The bottom of the main body of the dust collection room has an inner cavity structure 9, and the upper slope of the inner cavity structure 9 forms a distance L3 with the upper edge apex of the secondary baffle plate 7, and L3 is greater than 30mm.

Specifically, the main body 1 of the dedusting chamber is also provided with an emergency cleaning port 8, which can be opened for cleaning when larger ropes, sacks, etc. enter the dedusting device and cause grain blockage; the inner cavity structure 9 is used to reduce the cavity space and free up Clear space to install sprinklers.

In this embodiment, the distance L1 is greater than 10mm, which is conducive to the discharge of dust and debris from here, the distance L2 is greater than 30mm, so that the grains to be processed can flow smoothly, and the distance L4 is greater than 30mm, so as to prevent the strong grains from being caught in the draft and discharged .

The grain dedusting and impurity removal device provided by the embodiment of the utility model utilizes negative Pressure and air flow are used as power to separate impurities in the grain, replacing the traditional vibrating screen, thereby significantly reducing production costs and equipment failure rates; in addition, the grain dust removal device provided by the utility model can achieve the removal of weeds, dust, etc. The removal rate is as high as 98%, which is far greater than the removal rate of traditional vibrating screens. It can not only effectively remove impurities contained in grains, ensure the quality of grain removal, but also effectively prevent equipment failures and ensure the smooth progress of the removal process of impurities in grains. ; and compared with the prior art, it can meet the needs of large-scale dryers for removing impurities from dried grains, and the processing capacity has been significantly improved.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. a kind of cereal dedusting exclusion device, which is characterized in that including：

Dirt pocket main body；

It is opened in the cereal inlet port of dirt pocket main body one end；

It is opened in exhausting impurity discharging port in the dirt pocket main body and opposite with the cereal inlet port；

It is opened in the first cereal inlet of the dirt pocket bottom part body；

The water conservancy diversion sieve plate assembly being set in the dirt pocket main body.

2. cereal dedusting exclusion device according to claim 1, which is characterized in that the water conservancy diversion sieve plate assembly includes：If In in the dirt pocket main body, for screen cereal and the cereal to having little time to filter out carry out water conservancy diversion the first rank diversion screen Plate, second-order water conservancy diversion sieve plate, third rank water conservancy diversion sieve plate；The first rank water conservancy diversion sieve plate is with the dirt pocket main body close to the paddy In the angle α 1 that Open Side Down between the side wall of object inlet port, the second-order water conservancy diversion sieve plate is with the dirt pocket main body close to institute It states and is leaned on the dirt pocket main body in the angle α 2 that Open Side Down, the third rank water conservancy diversion sieve plate between the side wall of cereal inlet port In the angle α 4 that Open Side Down between the side wall of the nearly cereal inlet port.

3. cereal dedusting exclusion device according to claim 2, which is characterized in that the size of the angle α 1 be 38 ° extremely 55 °, the angle α 2 is more than the angle α 1, and is less than 60 °, and the size of the angle α 4 is 30 ° to 65 °.

4. cereal dedusting exclusion device according to claim 3, which is characterized in that be provided with paddy in the dirt pocket main body Object deflector, the cereal deflector are located under the water conservancy diversion sieve plate assembly, what the cereal deflector was used to filter out Cereal is guided to warehouse for drying or sheds in disk.

5. cereal dedusting exclusion device according to claim 4, which is characterized in that the cereal deflector and the dedusting Room main body is in the angle α 3 that Open Side Down between the side wall of the cereal inlet port, and the angle α 3 is more than 35 °.

6. cereal dedusting exclusion device according to claim 5, which is characterized in that be provided with one in the dirt pocket main body Secondary wind shield and secondary wind shield, a wind shield, the secondary wind shield are for avoiding in the dirt pocket main body Air quantity is discharged from the cereal inlet port, maintains the wind pressure in the dirt pocket main body.

7. cereal dedusting exclusion device according to claim 6, which is characterized in that be provided with one in the dirt pocket main body Secondary striker plate and secondary striker plate, the secondary striker plate be set to the water conservancy diversion sieve plate assembly and the exhausting impurity discharging port it Between, strong paddy is blocked for front, in case strong paddy is detached by the exhausting impurity discharging port.

8. cereal dedusting exclusion device according to claim 7, which is characterized in that the secondary striker plate and horizontal plane institute At angle be angle α 5, the angle α 5 is more than 35 °.

9. cereal dedusting exclusion device according to claim 8, which is characterized in that be provided in the dust suction chamber main body Two cereal inlets, the second cereal inlet are arranged far from the cereal inlet port, and the second cereal inlet is located at It under the secondary striker plate, and is correspondingly arranged with the secondary striker plate, the sturdy of impurity is discharged in secondary screening for making Cereal goes back to storehouse.

10. cereal dedusting exclusion device according to claim 9, which is characterized in that the top edge of a wind shield Form distance L1 between the dust suction chamber main body upper side wall, the L1 is more than 10mm, the lower edge of a wind shield with Distance L2, the L2 are formed between the third rank water conservancy diversion sieve plate and is more than 30mm, and the dust suction chamber bottom part body is tied with inner cavity Structure, the top edge vertex of the ramp of the inner-cavity structure and the secondary striker plate formed distance L3, the L3 be more than 30mm。