Grain breakage-reducing warehousing device with multi-stage buffer structure

Abstract

The utility model relates to the technical field of granary equipment, in particular to a grain breakage-reducing warehousing device with a multi-stage buffer structure, which comprises an inclined articulated chute, a straight articulated chute, an adapter tube, a plurality of buffer structures and a plurality of buffer structures, the lower end of the adapter pipe is fixedly connected with the straight articulated chute, the inclined articulated chute, the adapter pipe and the straight articulated chute jointly form a channel allowing grains to fall down, and a flexible blocking piece is arranged in the adapter pipe and used for conducting primary buffering on the grains flowing through the adapter pipe; the buffer hopper is of a wide-end-up structure, the buffer hopper is used for being fixed in the granary and located under the straight articulated chute in the vertical direction, and the buffer hopper is used for conducting secondary buffering on grain flowing into the granary; the feeding buffer box effectively solves the technical problems that in the prior art, grains are prone to being accumulated in the feeding buffer box, follow-up cleaning is needed, and work intensity is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of grain storage equipment, in particular to a grain crushing-reducing storage device with a multi-stage buffer structure. Background Art

[0002] In the existing grain storage and transportation devices, the pipes generally have a large height difference. The grain has a large kinetic energy. When it hits the pipe wall and the silo wall, it is broken due to the impact, resulting in a high breakage rate of the grain. Grain with a high breakage content has a poor appearance, which reduces its selling price and affects the taste. Secondly, it is easy to mold during storage, which increases the difficulty and cost of storage.

[0003] In response to the above problems, the invention patent document with publication number CN107902319A discloses a grain forward feeding buffer box, which is constructed by setting a box body between the feed port and the discharge port. The box body acts as a buffer box to temporarily store grain during the falling process, delay the falling of grain, and reduce the linear transportation height of grain in the chute, thereby effectively reducing the speed, reducing the wear and impact of grain on the chute and main equipment, and improving the phenomenon of a large number of broken particles of grain after impacting the main equipment.

[0004] The above-mentioned forward feeding buffer box reduces the kinetic energy of grain during transportation by temporarily storing grain, so as to effectively reduce the speed of grain and ultimately solve the problem of grain breakage rate. However, it still has certain shortcomings when in use: the bottom of the buffer box is set horizontally. After the feeding is completed, a part of the grain is easily accumulated at the bottom of the buffer box, and the remaining grain is difficult to reach the discharge port for further downward transportation, requiring subsequent cleaning, increasing the workload; and when the grain entering the buffer box has multiple flow directions, the buffer box is difficult to play a role, which greatly reduces the usage scenario. Utility Model Content

[0005] The utility model provides a grain crushing reduction silo device with a multi-stage buffer structure, so as to solve the technical problem that a feed buffer box in the prior art is prone to cause grain accumulation, requires subsequent cleaning, and increases work intensity.

[0006] In order to solve the above problems, the grain crushing reduction and silo entry device with a multi-level buffer structure provided by the utility model adopts the following technical solutions:

[0007] A grain crushing reduction and silo entry device with a multi-stage buffer structure comprises an inclined chute and a straight chute, wherein the lower end of the straight chute is used to be fixed on the upper part of the silo to guide the grain into the silo, and is characterized in that it also comprises: a transfer tube, wherein the upper end of the transfer tube is used to be fixedly connected to the inclined chute, and the lower end of the transfer tube is used to be fixedly connected to the straight chute, wherein the inclined chute, the transfer tube and the straight chute together form a passage for the grain to fall, and a flexible barrier is provided inside the transfer tube, wherein the flexible barrier is used to perform a primary buffer on the grain flowing through;

[0008] The buffer bucket has a structure that is wide at the top and narrow at the bottom. The buffer bucket is used to be fixed in the granary and is located directly below the straight chute in the vertical direction. The buffer bucket is used to perform secondary buffering on the grain flowing into the granary.

[0009] Furthermore, the flexible blocking member is arranged vertically, and the upper end is suspension-connected to the transfer tube via a rotatable bearing.

[0010] Furthermore, the flexible barrier is a flexible barrier curtain.

[0011] Furthermore, the inner wall of the transfer tube and the contact portion between the flexible barrier and the grain are covered with wear-resistant material.

[0012] Furthermore, the width of the upper end of the buffer bucket is greater than the entrance width of the granary, and there is a gap between the outer periphery of the upper end surface of the buffer bucket and the inner wall of the granary, so that the grain overflowing from the buffer bucket can fall through the gap between the upper end surface and the inner wall.

[0013] Furthermore, the side wall of the granary is also provided with an observation window for observing the material dropping situation of the buffer bucket.

[0014] Furthermore, the inner wall of the granary and the contact parts between the buffer hopper and the grain are covered with wear-resistant materials.

[0015] Furthermore, the wear-resistant material may be a rubber belt or a buffer wear-resistant plate.

[0016] The beneficial effects of the grain crushing reduction storage device with a multi-level buffer structure provided by the utility model are:

[0017] 1) The flexible blocking member firstly completes the primary buffering of grain in the transfer tube, and the flexible blocking member does not have the function of storing the grain flowing through, so it will not cause grain backlog; then, the buffer bucket performs secondary buffering on the falling grain, and the structure of the buffer bucket being wide at the top and narrow at the bottom allows the grain to fall from the gap between the outer periphery of the upper end of the buffer bucket and the inner wall of the granary after it is full. After the main grain flows through, the opening at the lower end of the buffer bucket allows the remaining grain in the bucket to flow out, and grain will not accumulate in the buffer bucket. Compared with the existing technology, not only will grain not accumulate in the buffer structure, but secondary buffering is also achieved, which greatly reduces the grain damage rate;

[0018] 2) The inner wall of the grain silo, the inner wall of the transfer pipe, and the contact parts of the buffer bucket with grain are all covered with wear-resistant materials, which not only effectively avoids direct impact on the grain and reduces the grain breakage rate, but also extends the use time of the device, increases its service life, and greatly saves the use cost.

[0019] To sum up, by adding transfer pipes and buffer bins, the existing grain warehousing device has been improved and upgraded, effectively solving the technical problem that the existing feed buffer box is prone to grain accumulation, requiring subsequent cleaning and increasing work intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] By reading the detailed description below with reference to the accompanying drawings, the above and other purposes, features and advantages of the exemplary embodiments of the present invention will become easy to understand. In the accompanying drawings, several embodiments of the present invention are shown in an exemplary and non-limiting manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:

[0021] Figure 1 This is a structural schematic diagram of a grain crushing reduction and silo entry device with a multi-stage buffer structure provided by the utility model;

[0022] Figure 2 for Figure 1 Front view of the transfer nozzle (showing the internal structure);

[0023] Figure 3 for Figure 1 Left side view of the transfer nozzle (showing the internal structure);

[0024] Figure 4 for Figure 1 Schematic diagram of the interior of the COFCO warehouse.

[0025] Description of reference numerals:

[0026] 1. Inclined pipe; 2. Transfer pipe; 3. Straight pipe; 4. Granary; 5. Flexible blocking member; 6. Buffer bucket; 7. Rotatable bearing; 8. Observation window. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Those skilled in the art should know that the embodiments described below are part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0028] It should be noted that the main concept of the grain crushing reduction silo device with a multi-stage buffer structure provided by the utility model is: by arranging a vertically suspended flexible barrier at the transfer pipe, a first-level deceleration of the grain is achieved, and the flexible barrier itself does not have the function of storing the grain flowing through, so it will not cause grain backlog, and a buffer bucket with a wide top and a narrow bottom is fixedly placed directly below the straight pipe in the granary, and the main flow of grain falls from the widened part of the side granary. When the main flow of grain passes, the grain in the buffer bucket will be slowly discharged, achieving a second-level deceleration of the grain, and the grain will not be retained for a long time. While achieving the second-level deceleration of the grain to reduce the crushing rate, it also effectively solves the technical problem in the prior art that the feed buffer box is prone to cause grain accumulation, requires subsequent cleaning, and increases work intensity.

[0029] After introducing the basic principle of the utility model, various non-limiting embodiments of the utility model are specifically introduced below. Any number of elements in the drawings is for illustration and not for limitation, and any naming is only for distinction and does not have any limiting meaning.

[0030] The principle and spirit of the present invention are explained in detail below with reference to several representative embodiments of the present invention.

[0031] Embodiment 1 of the grain crushing reduction storage device with a multi-stage buffer structure provided by the utility model:

[0032] like Figures 1 to 4 As shown, the grain crushing reduction and silo entry device with a multi-stage buffer structure is mainly composed of an inclined chute 1, a transfer tube 2, a straight chute 3, a flexible blocking member 5 and a buffer bucket 6. The upper end of the transfer tube 2 is fixedly connected to the inclined chute 1, and the lower end is fixedly connected to the straight chute 3. The inclined chute 1, the transfer tube 2 and the straight chute 3 together form a channel for grain to fall.

[0033] Among them, there is a flexible barrier 5 inside the transfer tube 2, the flexible barrier 5 is arranged vertically, and the upper end is suspended and connected to the transfer tube 2 through a rotatable bearing 7, which can ensure that the main flow of grain can impact on the flexible barrier 5 without blocking the main flow of grain, thereby achieving a first-level buffering of the grain flowing through the transfer tube 2; wherein, the flexible barrier 5 is preferably a flexible barrier curtain.

[0034] The buffer bucket 6 is introduced below. The buffer bucket 6 is fixedly installed in the granary 4 in the vertical direction directly below the straight chute 3. The width of the upper end of the buffer bucket 6 is larger than the entrance width of the granary 4, and there is a gap between the outer periphery of the upper end surface of the buffer bucket 6 and the inner wall of the granary 4.

[0035] The buffer bucket 6 has a wide upper part and narrow lower part structure, with a large receiving surface and a very small discharge port. Therefore, when the grain flow passes through the straight pipe 3 normally and falls into the buffer bucket 6 area, the overflowing grain in the buffer bucket 6 can fall from the gap between the upper end surface of the buffer bucket 6 and the inner wall of the granary 4. When the main flow of grain has passed, the remaining grain in the buffer bucket 6 will be slowly discharged from the discharge port. Because of the setting of the buffer bucket 6, the collision between the grain grains and the inner wall of the granary 4 can be effectively reduced, and it can be used for secondary buffering of the grain flowing into the granary 4. At the same time, the buffer bucket 6 does not have the function of storing grain, which can ensure that all the grain enters the granary 4.

[0036] Specifically, the side wall of the granary 4 is also provided with an observation window 8 for observing the material dropping situation of the buffer bucket.

[0037] Specifically, the inner wall of the transfer tube 2, the flexible barrier 5, the inner wall of the granary 4, and the contact parts of the buffer bucket 6 with the grain are all covered with wear-resistant material, and the wear-resistant material is preferably a rubber belt or a buffer wear-resistant plate.

[0038] The working principle of the grain crushing reduction silo device with a multi-stage buffer structure provided by the utility model is as follows: when grain enters the granary 4, the main grain material flow enters the interior of the transfer tube 2 through the inclined chute 1, and a flexible blocking member 5 is arranged inside the transfer tube 2. The main grain material flow first impacts the flexible blocking member 5 to avoid direct impact on the inner wall of the transfer tube 2, thereby effectively reducing the crushing of grain. After the first-level deceleration and buffering of the flexible blocking member 5, the main grain material flow enters the interior of the granary 4 through the straight chute 3, and a buffer bucket 6 is arranged inside the granary 4. When the main grain material flow enters the granary 4, the main grain material flow falls on the buffer bucket 6 and falls from the gap formed by the buffer bucket 6 and the inner wall of the granary 4, thereby avoiding direct impact on the inner wall of the granary 4, thereby effectively reducing the crushing of grain. The arrangement of the flexible blocking member 5 and the buffer bucket 6 can realize the deceleration and buffering of the main grain material flow and reduce the grain crushing rate without causing grain backlog.

[0039] The following is the experimental data obtained from the inverted warehouse operation test of this device at a test base of China National Grain and Oils Corporation. When soybeans were used as the test grain, three rounds of inverted warehouse tests were carried out, and five points were selected on the conveyor line for sampling. The data obtained are as follows:

[0040]

[0041] According to the survey and on-site sampling statistics, the whole warehouse breakage rate of the traditional conveyor line without this achievement can reach 8-9%, and the grain collision will increase the breakage by 5%. In addition to the usual multiple belt conveyors, bucket elevators, long chutes, and multi-point unloaders, the conveyor line in this test also includes a scraper machine that is easy to cause breakage. The test results still show that the grain rate has increased from 98.96% to 95.88% after one round, and 93.3% after another round, with an average increase of only 2.78% per round. The effect of reducing grain breakage is significant.

[0042] Embodiment 2 of the grain crushing reduction silo device provided by the utility model with a multi-stage buffer structure:

[0043] The main difference between it and Example 1 is:

[0044] In embodiment 1, the flexible barrier is arranged vertically.

[0045] In this embodiment, the flexible blocking member is arranged obliquely and perpendicular to the direction in which the inclined pipe extends.

[0046] Embodiment 3 of the grain crushing reduction storage device with a multi-stage buffer structure provided by the utility model:

[0047] The main difference between it and Example 1 is:

[0048] In embodiment 1, the flexible barrier is a flexible barrier curtain.

[0049] In this embodiment, the flexible blocking member is a rubber plate.

[0050] According to the above description of this specification, those skilled in the art may also understand that the terms used below, such as "upper", "lower", "width", "horizontal", "top", "bottom", "inside", "outside" and other terms indicating orientation or positional relationships are based on the orientation or positional relationships shown in the drawings of this specification, which are only for the purpose of facilitating the explanation of the scheme of the utility model and simplifying the description, rather than explicitly or implicitly indicating that the device or element involved must have the specific orientation, be constructed and operate in a specific orientation. Therefore, the above-mentioned orientation or positional relationship terms cannot be understood or interpreted as limitations on the scheme of the utility model.

[0051] In addition, in the description of this specification, “plurality” means at least two, for example, two, three or more, etc., unless otherwise clearly and specifically defined.

Claims

1. A grain crushing reduction and silo entry device with a multi-stage buffer structure, comprising an inclined sluice pipe and a straight sluice pipe, wherein the lower end of the straight sluice pipe is used to be fixed on the upper part of the silo to guide the grain into the silo, and is characterized in that: Also includes: The transfer pipe has an upper end for fixed connection with the inclined pipe and a lower end for fixed connection with the straight pipe. The inclined pipe, the transfer pipe and the straight pipe together form a passage for grain to fall. The transfer pipe has a flexible barrier inside, which is used to provide a primary buffer for the grain flowing through. The buffer bucket has a structure that is wide at the top and narrow at the bottom. The buffer bucket is used to be fixed in the granary and is located directly below the straight chute in the vertical direction. The buffer bucket is used to perform secondary buffering on the grain flowing into the granary.

2. The grain crushing reduction and silo entry device with a multi-level buffer structure according to claim 1 is characterized in that: The flexible blocking member is arranged vertically, and the upper end is suspended and connected to the transfer tube via a rotatable bearing.

3. The grain crushing reduction and silo entry device with a multi-level buffer structure according to claim 2 is characterized in that: The flexible blocking member is a flexible blocking curtain.

4. The grain crushing reduction and storage device with a multi-level buffer structure according to claim 3 is characterized in that: The inner wall of the transfer tube and the contact portion between the flexible blocking member and the grain are covered with wear-resistant material.

5. The grain crushing reduction and silo entry device with a multi-stage buffer structure according to any one of claims 1 to 3, characterized in that: The width of the upper end of the buffer bucket is greater than the entrance width of the granary, and there is a gap between the outer periphery of the upper end surface of the buffer bucket and the inner wall of the granary, so that the overflowing grain of the buffer bucket can fall through the gap between the upper end surface and the inner wall.

6. The grain crushing reduction and silo entry device with a multi-level buffer structure according to claim 5 is characterized in that: The side wall of the granary is also provided with an observation window for observing the material dropping situation of the buffer bucket.

7. The grain crushing reduction and silo entry device with a multi-level buffer structure according to claim 6 is characterized in that: The inner wall of the granary and the contact part between the buffer bucket and the grain are covered with wear-resistant materials.

8. The grain crushing reduction and storage device with a multi-level buffer structure according to claim 4 or 7, characterized in that: The wear-resistant material is a rubber belt or a buffer wear-resistant plate.

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