Combined grain distributor capable of reducing breakage
By using a multi-segment structure and buffer design in the combined grain feeder, the problems of difficult installation and insufficient strength of the grain feeder are solved, and the uniform distribution and temperature control of grain in the silo are achieved, thus improving the storage quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUANTAI CHANGJIANG GRAIN & OIL STORAGE MASCH CO LTD
- Filing Date
- 2025-06-05
- Publication Date
- 2026-04-21
AI Technical Summary
Existing grain feeders are difficult to install in high-density silos, the central discharge pipe is easily impacted and therefore lacks strength, and radial feeders are prone to leakage, which affects the quality of grain storage.
The central unloading pipe is formed by assembling multiple sections of crushing and insulation sections. Combined with a radial feeder, the grain descent speed is controlled by overflow buffers and flow guide buffers, which enhances structural strength and prevents material leakage.
It achieves uniform distribution of grain in the silo, reduces breakage and grading, improves installation simplicity and structural strength, prevents material leakage, and maintains uniform grain temperature.
Smart Images
Figure CN224147245U_ABST
Abstract
Description
Technical Field
[0001] This application belongs to the technical field of filling equipment for storage devices, and particularly relates to a combined grain spreader capable of reducing breakage. Background Technology
[0002] The silo is an important piece of equipment for grain storage. Because of its height, if the grain falls directly into the silo, it will be very easy to break and segment it, which will affect the quality of the stored grain. Therefore, the grain feeder is crucial for preventing grain segmentation and reducing breakage.
[0003] Currently, grain feeders have the following problems:
[0004] 1. The silo is quite tall, making direct installation of the grain distributor difficult;
[0005] 2. The falling and storage of grain exerts a significant impact on the central unloading pipe in the grain distributor, resulting in insufficient strength of the segmented pipe sections.
[0006] 3. Before the central discharge pipe has finished discharging, the radial distributor without a control structure is prone to material leakage. Utility Model Content
[0007] In order to solve the above problems, this application provides a combined grain feeder that can reduce breakage.
[0008] The purpose of this application is to provide a combined grain distributor that can reduce breakage. This application uses several sections of breakage reduction section and insulation section assembled together, which makes the installation simpler. The central discharge pipe reduces the falling speed of the grain, and the radial distributor distributes the grain more evenly on the upper layer of the silo.
[0009] To achieve the purpose of this application, the technical solution of this application is as follows:
[0010] A combined grain feeder capable of reducing breakage includes a central discharge pipe, which comprises multiple sections of breakage reduction section and insulation section assembled together. Breakage reduction devices are installed inside the breakage reduction section and insulation section. A radial feeder is installed at the upper end of the central discharge pipe, and a feed pipe is installed at the upper end of the radial feeder. The radial feeder includes a feeder central pipe, which is provided with several chutes and several overflow ports. The chutes include a bottom surface and a side surface, and the overflow ports are arranged directly above the chutes.
[0011] Furthermore, the crushing section includes a perforated crushing section and a non-perforated crushing section, and the insulation section includes a non-perforated insulation section and a perforated insulation section. The perforated crushing section is located in the middle and lower section of the central discharge pipe, and the non-perforated crushing section is arranged at the upper end of the perforated crushing section. At least two non-perforated insulation sections are arranged at the upper end of the non-perforated crushing section, and the perforated insulation sections are arranged between the non-perforated insulation sections.
[0012] Furthermore, a maintenance section is provided at the lower end of the central unloading pipe, a column base plate is provided at the bottom of the maintenance section, an inspection hole is provided at the lower end of the maintenance section, a blocking plate is provided on the inspection hole, and a channel steel is provided inside the maintenance section, which is connected to the inner wall of the maintenance section.
[0013] Furthermore, a lower air distribution box is installed at the lower end of the maintenance section, an upper air distribution box is installed between the central unloading pipe and the central pipe of the material distributor, and a ventilation duct is installed on the central unloading pipe and the maintenance section. The ventilation duct is connected to the upper and lower air distribution boxes, and the upper air distribution box is connected to the ventilation fan through a ventilation pipe. A ventilation valve is installed on the ventilation pipe.
[0014] Furthermore, the maintenance section and the perforated crushing section are equipped with grain outlet holes, and the perforated insulation section is equipped with a horizontal grain outlet pipe that passes through the insulation layer of the perforated insulation section.
[0015] Furthermore, a reinforcing plate is provided on the outer side of the maintenance section and the perforated crushing section, and a through hole is provided on the reinforcing plate, the area of which is larger than the area of the grain outlet hole.
[0016] Furthermore, connecting flanges are provided on the crushing section and the insulation section, and flange reinforcing ribs are provided on the connecting flanges. Internal ring beams are provided inside the crushing section and the insulation section, and the internal ring beams are arranged in the middle and lower sections of the crushing section and the insulation section.
[0017] Furthermore, the upper, middle, and lower sections of the chute are fixed by suspension chains.
[0018] Furthermore, the crushing device includes an overflow buffer and a flow guide buffer arranged at the lower end of the overflow buffer.
[0019] Furthermore, the overflow buffer includes a bucket-shaped buffer, and the flow guide buffer includes a buffer bucket arranged at the upper end and a ventilation bucket arranged at the lower end, with ventilation holes provided on the ventilation bucket.
[0020] Compared with the prior art, the beneficial effects of this application are as follows:
[0021] 1. This application uses several sections of crushing and insulation sections assembled together to form a central unloading pipe located in the center of the silo, which makes installation simpler. The central unloading pipe reduces the descent speed of the grain, and the radial distributor distributes the grain more evenly on the upper layer of the silo.
[0022] 2. This application enhances the strength of the assembled maintenance section, crushing section, and insulation section. Taking the maintenance section as the base, the overall strength of the maintenance section is improved through the column base plate and multiple internal ring beams. There are also multiple channel steel sections in the maintenance section to ensure that the bottom end of the central unloading pipe is strong enough to support the central unloading pipe and withstand the impact of grain. Multiple internal ring beams arranged in the crushing section and insulation section enhance the strength of the crushing section and insulation section. The maintenance section, crushing section, and insulation section are fixedly connected by connecting flanges, and the connecting flanges have flange reinforcing ribs to increase the strength of the connection between the sections.
[0023] 3. Both the feed pipe and the central pipe of the distributor in this application have a collecting hopper, which allows the grain to accumulate and prevents premature leakage of the radial distributor. The descent speed of the grain entering the central discharge pipe is reduced, and with the combined action of the overflow buffer and the flow guide buffer in the central discharge pipe, the grain descends slowly, achieving the purpose of preventing grading and reducing breakage. The grain flows out from the grain outlet on the central discharge pipe and forms a conical arrangement.
[0024] 4. The upper section of the central unloading pipe in this application is an insulated section with fewer grain outlets to reduce the loss of cold air and ensure a uniform temperature inside the grain. Attached Figure Description
[0025] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute an undue limitation of this application.
[0026] Figure 1 This is a schematic diagram of the overall structure of this application;
[0027] Figure 2 This is a schematic diagram of the overall structure of the lower air distribution box in this application;
[0028] Figure 3 This is a schematic diagram of the internal structure of the lower air distribution box in this application;
[0029] Figure 4 This is a schematic diagram of the air outlet on the lower air box of this application;
[0030] Figure 5 This is a schematic diagram of the overall structure of the maintenance section in this application;
[0031] Figure 6 This is a schematic diagram of the internal structure of the maintenance section in this application;
[0032] Figure 7 This is a schematic diagram of the overall structure of one section of the central unloading pipe of this application;
[0033] Figure 8 This is a schematic diagram of the internal structure of the central unloading pipe in this application. Figure 8 The overflow buffer and flow guide buffer in the central discharge pipe are omitted.
[0034] Figure 9 This is a structural diagram of the grain outlet of this application;
[0035] Figure 10 This is a schematic diagram of the radial fabric distributor of this application.
[0036] In the picture:
[0037] 1. Lower air box; 2. Inspection section; 3. Perforated breakage reduction section; 4. Non-perforated breakage reduction section; 5. Non-perforated insulation section; 6. Perforated insulation section; 7. Upper air box; 8. Ventilation fan; 9. Ventilation pipe; 10. Radial feeder; 11. Cage; 12. Feeder center pipe; 13. Fixed bracket; 14. Feed pipe; 15. Ventilation valve; 16. Inspection hole; 17. Blocking plate; 18. Grain outlet; 19. Internal ring beam; 20. Column base plate; 21. Overflow buffer; 22. Flow guide buffer; 23. Ventilation duct; 24. Overflow port; 25. Collection hopper; 26. Chute; 27. Vertical grain outlet pipe; 28. Lifting lug; 29. Lifting chain; 30. Lifting plate; 31. Air outlet; 32. Reinforcing plate. Detailed Implementation
[0038] The present application will be further described below with reference to the accompanying drawings and embodiments.
[0039] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.
[0040] In this application, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", and "bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only used to facilitate the description of the structural relationship between the various parts or elements of this application and do not specifically refer to any part or element in this application. They should not be construed as limiting this application.
[0041] Example 1
[0042] This embodiment is a combined grain feeder capable of reducing breakage, installed inside a silo. The grain feeder includes a central discharge pipe, which comprises multiple sections assembled together, including breakage-reducing sections and insulation sections. The lower end of the central discharge pipe has a maintenance section 2, and the insulation section has an insulation layer. Specifically, as a structure supporting the entire central discharge pipe, this embodiment welds a base plate 20 to the bottom end of the maintenance section 2. For example, this embodiment welds eight base plates 20, two in a group, with an included angle of 25° for each group. An inspection hole 16 is provided at the lower end of the maintenance section 2, and a blocking plate 1 is installed on the inspection hole 16. 7. The blocking plate 17 is fixed to the maintenance section 2 by bolts and seals the maintenance hole 16. The maintenance section 2 is equipped with channel steel, which is connected to the inner wall of the maintenance section 2. For example, in this embodiment, there are also 8 channel steels. The channel steel and the column base plate 20 are basically overlapped. The crushing section includes a perforated crushing section 3 and a non-perforated crushing section 4. The insulation section includes a non-perforated insulation section 5 and a perforated insulation section 6. The perforated crushing section 3 is located in the middle and lower section of the central unloading pipe. The non-perforated crushing section 4 is arranged at the upper end of the perforated crushing section 3. At least two non-perforated insulation sections 5 are arranged at the upper end of the non-perforated crushing section 4. The perforated insulation sections 6 are arranged between the non-perforated insulation sections 5.
[0043] In this embodiment, the central unloading pipe includes one maintenance section 2, four perforated crushing reduction sections 3, one non-perforated crushing reduction section 4, two non-perforated insulation sections 5, and one perforated insulation section 6.
[0044] In this embodiment, the upper and lower ends of the maintenance section 2, the crushing section, and the insulation section are all equipped with connecting flanges. Flange reinforcing ribs are welded on the connecting flanges. Adjacent connecting flanges are fixed together by bolts after contact. The maintenance section 2, the crushing section, and the insulation section are equipped with internal ring beams 19. The internal ring beams 19 are welded to the middle and lower sections of the crushing section and the insulation section to enhance the strength of the crushing section, the insulation section, and the maintenance section 2.
[0045] The maintenance section 2 and the perforated crushing reduction section 3 are provided with grain outlet holes, and the perforated insulation section 6 is equipped with a horizontal grain outlet pipe that passes through the insulation layer of the perforated insulation section 6. In this embodiment, the maintenance section 2 and the perforated crushing reduction section 3 are equipped with a reinforcing plate 32 on their outer side. The reinforcing plate 32 is fixed to the maintenance section 2 and the perforated crushing reduction section 3 by welding or bolting. The reinforcing plate 32 is provided with a through hole, the area of which is larger than the area of the grain outlet hole, and the center of the through hole coincides with the center of the grain outlet hole.
[0046] The crushing reduction section and the insulation section are equipped with a crushing reduction device, which includes an overflow buffer 21 and a flow guide buffer 22 arranged at the lower end of the overflow buffer 21. The overflow buffer 21 includes a bucket-shaped buffer, and the flow guide buffer 22 includes a buffer bucket arranged at the upper end and a ventilation bucket arranged at the lower end. The ventilation bucket has ventilation holes with an opening ratio of not less than 30%, that is, the area of the ventilation holes accounts for more than 30% of the total area of the ventilation bucket. Overflow pipes are installed on the side walls around the bucket-shaped buffer. In this embodiment, the overflow pipes are inclined pipes, which are inclined downwards at an angle of 10°. Compared to a horizontal overflow pipe, the grain overflow in this application is slightly faster to avoid clogging. After the grain enters the hopper-shaped buffer, it moves slowly within the narrow hopper-shaped buffer. Most of the grain is pushed into the overflow pipe and slowly descends, while a small portion of the grain flows out slowly from the lower end of the hopper-shaped buffer and a small portion flows out from the upper end of the hopper-shaped buffer, thus achieving a slow flow of grain. The grain flowing out of the overflow buffer 21 enters the guide buffer 22 and bounces. Airflow enters the guide buffer 22 through the ventilation hole, which slows down the grain and prevents or reduces grain grading.
[0047] In this embodiment, a radial distributor 10 is installed at the upper end of the central discharge pipe. The radial distributor 10 does not have pneumatic gates, pneumatic valves, or other equipment installed on it; that is, the radial distributor 10 in this embodiment does not require control. The radial distributor 10 has a feed pipe 14 at its upper end, which is installed on the hopper. The radial distributor 10 includes a central distributor pipe 12. Both the central distributor pipe 12 and the feed pipe 14 have collecting hoppers 25 at their lower ends. The collecting hoppers 25 cause the grain to gather, reducing the descent speed of the grain into the central discharge pipe. With the combined action of the overflow buffer 21 and the flow guide buffer 22 within the central discharge pipe, the grain descends slowly, achieving the purpose of preventing grading and reducing breakage. The feeder center tube 12 has several chutes 26 and several overflow ports 24. The chutes 26 include a bottom surface and a side surface. The overflow ports 24 are arranged directly above the chutes 26. Specifically, when grain enters the silo, the grain is decelerated by the feed pipe 14 and the feeder center tube 12, which reduces the speed of the grain and causes it to flow out along the grain outlet 18 of the central discharge pipe, forming a conical arrangement. As the central discharge pipe stops flowing out of grain or the grain flows out slowly, the grain continuously accumulates in the feeder center tube 12 and flows out from the chutes 26. Excess grain flows from the overflow ports 24 to the chutes 26. The grain moves along the chutes 26 and flows out from the vertical grain outlet pipe 27. In this embodiment, the end of the chutes 26 also has an opening.
[0048] As a fixing scheme for the chute 26, since there is an overflow port 24 on the central tube 12 of the material distributor, this embodiment uses a hanging chain 29 to fix multiple positions of the chute 26. Specifically, the upper, middle and lower sections of the chute 26 are fixed by the hanging chain 29. The chute 26 is equipped with lifting lugs 28, and the hopper has a hanging plate 30 inside. One end of the hanging chain 29 is connected to the lifting lug 28, and the other end is connected to the hanging plate 30.
[0049] In this embodiment, a lower air distribution box 1 is installed at the lower end of the maintenance section 2. An air outlet 31 is opened on the lower air distribution box 1, which is directly connected to the bottom trough plate. An upper air distribution box 7 is located between the central unloading pipe and the central pipe 12 of the distributor. A ventilation cylinder 23 is provided on the central unloading pipe and the maintenance section 2. Multiple ventilation cylinders 23 are arranged on the outer periphery of the central unloading pipe and the maintenance section 2. The ventilation cylinder 23 is connected to the upper air distribution box 7 and the lower air distribution box 1. The upper air distribution box 7 is connected to the ventilator 8 through the ventilation pipe 9. A ventilation valve 15 is opened on the ventilation pipe 9. In this embodiment, the ventilator 8 supplies air to the silo. The air can be dry and cold air. The air flows into the ventilation cylinder 23 through the upper air distribution box 7. The air in the ventilation cylinder 23 flows into the central unloading pipe and into the lower air distribution box 1. The air flowing into the central unloading pipe flows out from the grain outlet 18.
[0050] In this embodiment, a fixed bracket 13 is also installed on the silo, and the cylinder 11 is fixed on the fixed bracket 13.
[0051] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.
[0052] While the specific embodiments of this application have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of this application. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without creative effort based on the technical solutions of this application are still within the scope of protection of this application.
Claims
1. A combined grain feeder capable of reducing breakage, characterized in that: It includes a central discharge pipe, which includes multiple sections of crushing reduction section and insulation section assembled together. Crushing reduction device is installed in the crushing reduction section and insulation section. A radial feeder is installed at the upper end of the central discharge pipe, and a feed pipe is installed at the upper end of the radial feeder. The radial material distributor includes a central tube, on which several chutes and several overflow ports are provided. The chutes include a bottom surface and a side surface, and the overflow ports are arranged directly above the chutes.
2. The combined grain feeder capable of reducing breakage as described in claim 1, characterized in that: The crushing section includes a perforated crushing section and a non-perforated crushing section, and the insulation section includes a non-perforated insulation section and a perforated insulation section; The perforated crushing section is located in the middle and lower section of the central unloading pipe, the non-perforated crushing section is arranged at the upper end of the perforated crushing section, at least two non-perforated insulation sections are arranged at the upper end of the non-perforated crushing section, and the perforated insulation sections are arranged between the non-perforated insulation sections.
3. A combined grain feeder capable of reducing breakage as described in claim 2, characterized in that: The lower end of the central unloading pipe is provided with an inspection section, the bottom end of the inspection section is provided with a column base plate, the lower end of the inspection section is provided with an inspection hole, and a blocking plate is provided on the inspection hole; The maintenance section has a channel steel inside, which is connected to the inner wall of the maintenance section.
4. A combined grain feeder capable of reducing breakage as described in claim 3, characterized in that: The lower end of the maintenance section is provided with a lower air distribution box, the upper air distribution box is provided between the central unloading pipe and the central pipe of the material distributor, and a ventilation duct is provided on the central unloading pipe and the maintenance section. The ventilation duct is connected to the upper air distribution box and the lower air distribution box. The upper air box is connected to the ventilator through a ventilation pipe, and the ventilation pipe is equipped with a ventilation valve.
5. A combined grain feeder capable of reducing breakage as described in claim 3, characterized in that: The maintenance section and the perforated crushing section are provided with grain outlet holes, and the perforated heat-insulating section is provided with a horizontal grain outlet pipe that passes through the heat-insulating layer of the perforated heat-insulating section.
6. A combined grain feeder capable of reducing breakage as described in claim 5, characterized in that: The outer side of the maintenance section and the perforated crushing section is provided with a reinforcing plate, and the reinforcing plate is provided with through holes, the area of which is larger than the area of the grain outlet hole.
7. A combined grain feeder capable of reducing breakage as described in claim 1, characterized in that: The crushing section and the insulation section are provided with connecting flanges, and the connecting flanges are provided with flange reinforcing ribs; The crushing section and the insulation section are equipped with internal ring beams, which are arranged in the middle and lower sections of the crushing section and the insulation section.
8. A combined grain feeder capable of reducing breakage as described in claim 1, characterized in that: The upper, middle, and lower sections of the chute are fixed by suspension chains.
9. A combined grain feeder capable of reducing breakage as described in claim 1, characterized in that: The crushing device includes an overflow buffer and a flow guide buffer arranged at the lower end of the overflow buffer.
10. A combined grain feeder capable of reducing breakage as described in claim 9, characterized in that: The overflow buffer comprises a bucket-shaped buffer, and the flow guide buffer comprises a buffer bucket arranged at an upper end and a ventilation bucket arranged at a lower end, wherein the ventilation bucket is provided with ventilation holes.