Rice storage hopper with drying structure

By introducing a metal isolation liner and a high-efficiency airflow circulation structure into the rice storage hopper, the problems of uneven drying and humidity control during rice storage have been solved, achieving uniform drying and safe storage of rice.

CN223943284UActive Publication Date: 2026-02-27CHONGQING YAPAN AGRI DEV CO LTD
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Patent Information

Application Number
CN202520596242.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-02-27
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

Traditional storage devices suffer from problems such as uneven drying, difficulty in humidity control, poor air circulation, leakage of rice grains, and mold and pests during rice storage.

Method used

The rice storage hopper adopts a double-layer structure, with an internal metal isolation liner and air vents. Combined with an air inlet sleeve, electric heating wire mesh, and air suction cylinder, it forms an efficient airflow circulation. Through uniform heating with hot air and negative pressure dehumidification, it ensures that the rice is dried evenly and prevents grain leakage.

Benefits of technology

This process achieves uniform drying of rice, reduces the risk of mold and pests, ensures safe storage, and improves the stability of grain quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The rice storage hopper with the drying structure comprises a storage hopper body, an inner storage hopper is arranged in the storage hopper body, four strip-shaped supporting plates distributed at equal intervals are fixedly arranged on the outer wall of the inner storage hopper, and the outer walls of the strip-shaped supporting plates are fixedly connected with the inner wall of the storage hopper body. A metal isolation lining net is laid on the inner wall of the inner storage hopper, and air holes distributed at equal intervals are formed in the outer wall of the inner storage hopper. After being evenly heated by the electric heating wire net, hot air permeates into a rice pile through the air inlet sleeve and the air holes, efficient convective circulation is formed in cooperation with the negative pressure dehumidification function of the air suction net barrel, rice is evenly heated, moisture is rapidly evaporated, leakage of rice particles is effectively prevented through the design of the metal isolation lining net, and meanwhile air circulation is guaranteed. The local heat accumulation or moisture phenomenon is avoided, the moisture content of the dried rice is stabilized within a safe storage range, and the mildew and insect damage risks are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a grain storage equipment technical field, concretely relates to a rice storage hopper with drying structure. BACKGROUND

[0002] During the storage process of paddy, the traditional storage device often faces the problems of uneven drying and humidity control. Due to the single hot air conveying path or poor air circulation, local overheating or humid areas are prone to occur in the paddy pile, resulting in incomplete evaporation of moisture and large fluctuations in moisture content after drying. In addition, the ordinary storage equipment lacks effective isolation and ventilation structure, and the paddy particles are prone to leakage with air flow, and it is difficult to avoid problems such as mold growth and insect infestation.

[0003] In the prior art, although some devices use single-layer heating or natural ventilation, they cannot accurately control temperature and humidity, and the storage period is limited and the quality stability of grain is poor. Therefore, there is an urgent need for a storage device that optimizes air circulation, enhances heating uniformity and integrates isolation and protection functions to improve paddy drying efficiency, reduce storage loss and ensure food safety. SUMMARY

[0004] The utility model aims at providing a rice storage hopper with drying structure to solve the above technical deficiencies.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a rice storage hopper with drying structure, comprising a storage hopper main body, an inner storage hopper is arranged inside the storage hopper main body, four strip-shaped support plates are fixedly arranged on the outer wall of the inner storage hopper at equal distances, the outer wall of the strip-shaped support plate is fixedly connected with the inner wall of the storage hopper main body, a metal isolation lining net is laid on the inner wall of the inner storage hopper, air holes are arranged on the outer wall of the inner storage hopper at equal distances, four air inlet sleeves are arranged on the outer wall of the storage hopper main body at equal distances through openings, air inlet fans are arranged on the inner wall of the air inlet sleeves, a vertical air suction net cylinder is arranged at the central position of the inner storage hopper, and exhaust fans are arranged on the top inner wall of the air suction net cylinder.

[0006] Preferably, a fixing ring is fixedly arranged on the top outer wall of the air suction net cylinder, and the outer wall of the fixing ring is fixedly connected with the top inner wall of the inner storage hopper through a support.

[0007] Preferably, electric heating wire nets are arranged on the inner walls of the four air inlet sleeves.

[0008] Preferably, the diameter of the holes arranged on the outer walls of the inner storage hopper and the air suction net cylinder is 1.5mm.

[0009] Preferably, the bottom outer wall of the inner storage hopper is fixedly provided with a vertical downward discharge pipe through an opening, the bottom of the metal isolation lining net is communicated with the top of the discharge pipe through an opening, and the bottom of the discharge pipe is provided with a discharge frame penetrating through the bottom outer wall of the storage hopper body.

[0010] Preferably, one side outer wall of the discharge frame is inserted with a gate through an opening, and one side outer wall of the gate is provided with a pull handle.

[0011] Preferably, the outer wall of the storage hopper body is fixedly provided with a supporting iron ring, and the outer wall of the supporting iron ring is fixedly provided with supporting legs distributed at equal distances.

[0012] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0013] After the hot air is uniformly heated by the electric heating wire net, the hot air penetrates into the inside of the rice pile through the air inlet sleeve and the air permeable hole, cooperates with the negative pressure dehumidification function of the air suction net cylinder, forms high-efficiency convection circulation, makes the rice uniformly heated and the moisture rapidly evaporated, the design of the metal isolation lining net effectively prevents the leakage of rice particles, simultaneously ensures the air flowability, avoids the local heat accumulation or humid phenomenon, makes the water content of the dried rice stable in the safe storage range, and reduces the mold change and pest risk. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0015] Figure 1 It is a three-dimensional structure schematic diagram of the utility model of a rice storage hopper with a drying structure.

[0016] Figure 2 It is a storage hopper body cross-sectional structure schematic diagram of the utility model of a rice storage hopper with a drying structure.

[0017] Figure 3 It is an inner storage hopper structure schematic diagram of the utility model of a rice storage hopper with a drying structure.

[0018] Figure 4 It is a metal isolation lining net structure schematic diagram of the utility model of a rice storage hopper with a drying structure.

[0019] EXPLANATION OF REFERENCE NUMERALS:

[0020] 1 storage hopper body, 2 inner storage hopper, 3 metal isolation lining net, 4 strip support plate, 5 discharge pipe, 6 discharge frame, 7 gate, 8 lifting handle, 9 air hole, 10 air inlet sleeve, 11 air inlet fan, 12 suction net cylinder, 13 exhaust fan, 14 fixed ring, 15 support iron ring, 16 support leg, 17 heating wire net. DETAILED DESCRIPTION

[0021] In the following, a plurality of embodiments of the present application will be disclosed with reference to the drawings. For the purpose of clear illustration, many details of the embodiments will be described in the following description. However, it should be understood that these details of the embodiments are not intended to limit the present application. That is, in some embodiments of the present application, these details of the embodiments are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0022] Embodiment one

[0023] With reference to the drawings Figures 1-4 A rice storage hopper with drying structure, comprising a storage hopper body 1, the storage hopper body 1 is designed in a cylindrical shape, an inner storage hopper 2 is arranged inside the storage hopper body 1, the inner storage hopper 2 is fixedly connected with the inner wall of the storage hopper body 1 through four strip support plates 4 distributed at equal intervals, forming a double-layer structure, a metal isolation lining net 3 is laid on the inner wall of the inner storage hopper 2, the material is stainless steel, the mesh diameter is 1.5 mm, which can ensure air permeability and prevent rice particles from leaking, equal air holes 9 are arranged on the outer wall of the inner storage hopper 2, forming an air flow channel with four air inlet sleeves 10 on the outer wall of the storage hopper body 1, an air inlet fan 11 is installed in the air inlet sleeve 10, which is driven by an external power source to deliver air into the storage hopper, the air is heated by a heating wire net 17 to form hot air, the temperature is controlled within the range of 40-50℃, a vertical suction net cylinder 12 is arranged in the center of the inner storage hopper 2, an exhaust fan 13 is installed on the top inner wall of the suction net cylinder 12, which can extract the humid hot air from the rice pile through negative pressure, forming a circulating drying air flow, the top outer wall of the suction net cylinder 12 is connected with the top inner wall of the inner storage hopper 2 through a fixed ring 14, which can stabilize and fix the suction net cylinder 12 at the specified position.

[0024] Embodiment two

[0025] Based on the basis of embodiment one, with reference to the drawings Figures 1-4 A vertical discharge pipe 5 is arranged at the bottom of the inner storage hopper 2, the top of the discharge pipe 5 is in communication with the opening at the bottom of the metal isolation lining net 3, the bottom of the discharge pipe 5 is connected with a discharge frame 6 after passing through the storage hopper body 1, a gate 7 is designed on one side of the discharge frame 6, a lifting handle 8 is installed on the outer wall of the gate 7, an operator can control the opening and closing of the gate 7 through the lifting handle 8, realizing the quantitative discharge of rice, this structure can quickly empty the inner storage hopper 2 after drying is completed, avoiding mildew caused by long-term accumulation of rice, the metal isolation lining net 3 can prevent rice residues during the discharge process.

[0026] Embodiment three

[0027] Based on the basis of embodiment one, with reference to the description attached Figures 1-2 , the outer wall of the storage hopper main body 1 is welded with a support iron ring 15, and the bottom is uniformly distributed with four support legs 16, which are designed with anti-skid rubber pads, so that the utility model is conveniently placed on the specified position, the support iron ring 15 simultaneously serves as a protective structure, prevents external collision from causing damage to the storage hopper main body 1, a sealing rubber ring is arranged at the connecting position of the air inlet sleeve 10 and the storage hopper main body 1, heat leakage is prevented, the electric heating wire net 17 is made of nickel-chromium alloy material and has the characteristics of rapid heating and corrosion resistance, and the power is dynamically matched according to the air volume of the air inlet fan 11, so that the air heating efficiency is conveniently controlled.

[0028] Embodiment four

[0029] Based on the basis of embodiment one, with reference to the description attached Figures 1-2 , the inner storage hopper 2 and the hole of the outer wall of the air suction net cylinder 12 are kept at a diameter of 1.5 mm, which not only ensures the air flow passability but also prevents rice from entering the net cylinder, the power of the exhaust fan 13 is higher than that of the air inlet fan 11, and a negative pressure difference is formed to drive air flow circulation, in actual operation, hot air enters the interlayer of the storage hopper main body 1 and the inner storage hopper 2 from the air inlet sleeve 10, passes through the air holes 9 and the metal isolation lining net 3 and enters the rice pile, and the wet hot air is collected by the air suction net cylinder 12 and discharged, forming a complete drying path.

[0030] Embodiment five

[0031] Based on the basis of embodiment one, with reference to the description attached Figures 1-3 , for different humidity rice, the drying intensity can be controlled by adjusting the power of the electric heating wire net 17 and the fan speed, for example, high humidity rice adopts high power heating and strong wind speed combination, and low humidity rice reduces the parameters to save energy, the discharge frame 6 can be externally connected with a conveying pipeline to realize automatic discharge of rice, the support legs 16 are height-adjustable and suitable for uneven ground, and a detachable cover plate can be additionally arranged at the top of the storage hopper main body 1, so that equipment maintenance and rice filling are facilitated.

[0032] The working principle of the utility model is as follows:

[0033] With reference to the description attached Figures 1-4After starting the device, the air inlet fan 11 in the air inlet sleeve 10 on the outer wall of the storage hopper main body 1 starts to operate, external air is sucked into the air inlet sleeve 10, the air is heated to form hot air when flowing through the electric heating wire mesh 17, and then the hot air enters the interlayer space between the storage hopper main body 1 and the inner storage hopper 2; the hot air permeates the rice pile through the air permeable holes 9 on the outer wall of the inner storage hopper 2 and the metal isolation lining mesh 3 laid on the inner wall, and uniformly permeates into the rice pile to dry the rice, at the same time, the suction mesh cylinder 12 in the center of the inner storage hopper 2 forms a negative pressure area under the action of the top exhaust fan 13, the humid hot air generated in the rice pile is sucked from the bottom of the suction mesh cylinder 12 and is discharged to the outside of the device through the exhaust fan 13, so as to form a complete air flow circulation, so that the rice is uniformly heated and quickly dehydrated;

[0034] After drying, the operator can open the gate plate 7 by pulling the pull handle 8 on one side of the discharge frame 6, and the dried rice is discharged from the discharge pipe 5 at the bottom of the inner storage hopper 2 to the discharge frame 6, so as to realize convenient collection of the rice, and the support iron ring 15 and the support leg 16 cooperate to realize stable operation of the device, and the components are closely coordinated to realize efficient drying and storage management of the rice.

[0035] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the present application.

Claims

1. A rice storage hopper with drying structure, comprising a storage hopper main body (1), characterized in that: The inside of the storage hopper body (1) is provided with an inner storage hopper (2), the outer wall of the inner storage hopper (2) is fixedly provided with four strip-shaped support plates (4) distributed at equal distances, the outer wall of the strip-shaped support plate (4) is fixedly connected with the inner wall of the storage hopper body (1), the inner wall of the inner storage hopper (2) is paved with a metal isolation lining net (3), the outer wall of the inner storage hopper (2) is provided with air holes (9) distributed at equal distances, the outer wall of the storage hopper body (1) is provided with four air inlet sleeves (10) distributed at equal distances through openings, the inner wall of the air inlet sleeve (10) is provided with an air inlet fan (11), the inner part of the inner storage hopper (2) is provided with a vertical air suction net cylinder (12) at the central position, and the top inner wall of the air suction net cylinder (12) is provided with an air exhaust fan (13).

2. The rice storage hopper with drying structure according to claim 1, characterized in that: The top outer wall of the air suction net cylinder (12) is fixedly provided with a fixed ring (14), and the outer wall of the fixed ring (14) is fixedly connected with the top inner wall of the inner storage hopper (2) through a support.

3. The rice storage hopper with drying structure according to claim 1, characterized in that: The inner wall of the four air inlet sleeves (10) is provided with an electric heating wire net (17).

4. The rice storage hopper with drying structure according to claim 1, characterized in that: The hole provided on the outer wall of the inner storage hopper (2) and the air suction net cylinder (12) has a diameter of 1.5 mm.

5. The rice storage hopper with drying structure according to claim 1, characterized in that: The bottom outer wall of the inner storage hopper (2) is fixedly provided with a vertical downward discharge pipe (5) through an opening, the bottom of the metal isolation lining net (3) is communicated with the top of the discharge pipe (5) through an opening, and the bottom of the discharge pipe (5) is provided with a discharge frame (6) penetrating through the bottom outer wall of the storage hopper body (1).

6. The rice storage hopper with drying structure according to claim 5, characterized in that: The outer wall of one side of the discharge frame (6) is inserted with a gate plate (7) through an opening, and the outer wall of one side of the gate plate (7) is provided with a pull handle (8).

7. The rice storage hopper with drying structure according to claim 1, characterized in that: The outer wall of the storage hopper body (1) is fixedly provided with a support iron ring (15), and the outer wall of the support iron ring (15) is fixedly provided with support legs (16) distributed at equal distances.