A grain storage system
By using a pulsed electric field to treat grain in the grain warehouse, the safety hazards and high energy consumption problems in the grain storage process are solved, and efficient pest and mold control is achieved. The system is also simple, energy-saving and environmentally friendly.
Patent Information
- Application Number
- CN202310679917.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-08
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2043-06-08
AI Technical Summary
Existing grain storage facilities present problems such as safety hazards, high energy consumption, and large investments, and existing prevention and control technologies are not suitable for large-scale use.
The grain is treated with a pulsed electric field. An electric field is created in the grain warehouse using electrode plates and a pulsed power supply. The grain is treated intermittently to prevent pests and mold.
It achieves efficient pest control, delays mold growth, and stabilizes the quality of stored grain. The system has a simple structure, is easy to operate, has low cost, and is energy-saving.
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Figure CN116548186B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to a grain storage system for preventing and controlling harmful biological factors of grain by using pulse electric field, and belongs to the technical field of grain storage. BACKGROUND
[0002] Grain storage is a facility for storing grain. However, when grain is stored in the grain storage, heat and moisture are easily generated, leading to the breeding of pests and mold, and thus the deterioration of grain quality. In order to avoid the deterioration of grain due to mold, chemical fumigation, air conditioning technology, temperature and humidity control technology are currently used to prevent and control pests and mold. However, these technologies have certain problems, such as safety hazards in chemical fumigation, high air tightness requirements for storage equipment in air conditioning storage, high energy consumption in temperature and humidity control, etc., which are not suitable for large-scale use in existing grain storage. Therefore, a safe, energy-saving and efficient storage system and method are urgently needed to ensure the safety of grain. SUMMARY
[0003] In view of the problems of safety hazards, high energy consumption and large investment in the prior art, the present application provides a grain storage system for preventing and controlling harmful biological factors of grain by using pulse electric field, so as to overcome the shortcomings of the prior art.
[0004] To achieve the above-mentioned purposes, the technical scheme adopted by the present application comprises:
[0005] A grain storage system comprises a storage body, a storage roof, a storage cover, a storage bottom, a storage body support structure, a column, an electrode sheet, a pulse power supply and a feeding port.
[0006] The storage roof is located at the upper part of the storage body, the storage bottom is located at the bottom of the storage body, the storage cover is placed on the top of the storage roof, the feeding port is arranged on the storage roof, the column is located in the storage body and comprises a central column and a side column arranged around the central column, and the electrode sheet is wrapped on the outer wall of the column and the inner wall of the storage body and connected with the pulse power supply. The grain can enter the storage body through the feeding port on the storage roof, the pulse power supply is intermittently started, and the pulse electric field of the electrode sheet can be used to process the grain in the storage system.
[0007] Further, the side of the storage body is a storage wall, which comprises an outer storage wall and an inner storage wall, and the storage body support structure is arranged at the bottom of the storage roof.
[0008] Further, the number of side columns is four, the diameter of the central column and the side column is 0.5 m, and the electrode sheet is in the shape of a long cuboid thin plate with a thickness of 1 cm.
[0009] Further, the pulse power supply is arranged outside the storage body.
[0010] Further, the upper end of the column is fixed to the storage body support structure, and the lower end is fixed to the ground.
[0011] Furthermore, the operating electric field strength of the pulse power supply is 2kV / cm to 85kV / cm, the pulse width is 10μs to 10ms, and the action intensity is 400 pulses to 100,000 pulses.
[0012] Compared with the prior art, the advantages of the present invention include: the present invention uses pulsed electric field to treat grain, which effectively controls pests, delays mold growth, and inactivates lipases to stabilize the storage quality of grain; the system has a simple structure, is easy to operate, is highly efficient and energy-saving, and has low cost. Attached Figure Description
[0013] Fig. 1 This is a schematic diagram of the grain storage system of the present invention;
[0014] Fig. 2 This is a cross-sectional view of the grain storage system of the present invention;
[0015] Fig. 3 This is a schematic diagram of the column structure of the grain storage system of the present invention;
[0016] The following markings are used in the diagram: 1. Bin body; 2. Bin top; 3. Bin cover; 4. Bin wall; 4-a outer bin wall; 4-b inner bin wall; 5. Bin bottom; 6. Bin body support structure; 7. Column; 7-a central column; 7-b side column; 8. Electrode plate; 9. Pulse power supply; 10. Feed inlet. Detailed Implementation Plan
[0017] The technical solution and its implementation process will be described in detail below with reference to the accompanying drawings and specific embodiments. The specific examples are only used to explain the present invention, but are not intended to limit the present invention.
[0018] The present invention provides a grain storage system, including a storage body 1, a storage top 2, a storage cover 3, a storage bottom 5, a storage body support structure 6, a column 7, an electrode plate 8, a pulse power supply 9, and a feed inlet 10;
[0019] The top of the silo 2 is located on the upper part of the silo body 1, the bottom of the silo 5 is located at the bottom of the silo body 1, the cover 3 is placed on the top of the top of the silo 2, the inlet 10 is provided on the top of the silo 2, the column 7 is located inside the silo body 1, including a central column 7-a located in the center and side columns 7-b arranged around the central column 7-a, the electrode plates 8 are respectively wrapped on the outer wall of the column 7 and the inner wall of the silo body 1, and are connected to the pulse power supply 9; the grain can enter the silo body 1 through the inlet 10 on the top of the silo, the pulse power supply 9 is started intermittently, and the pulse electric field of the electrode plates 8 can be used to process the grain in the storage system.
[0020] Furthermore, the side of the silo body 1 is a silo wall 4, which includes an outer silo wall 4-a and an inner silo wall 4-b, and a silo body support structure 6 is provided at the bottom of the silo top 2.
[0021] Furthermore, there are four side pillars 7-b, the diameter of the central pillar 7-a and the side pillars 7-b is 0.5m, and the electrode sheet 8 unfolds into a rectangular thin plate with a thickness of 1cm.
[0022] Furthermore, the pulse power supply 9 is located outside the chamber 1.
[0023] Furthermore, the upper end of the column 7 is fixed to the warehouse support structure 6, and the lower end is fixed to the ground.
[0024] Furthermore, the operating electric field strength of the pulse power supply 9 is 2kV / cm to 85kV / cm, the pulse width is 10μs to 10ms, and the action intensity is 400 pulses to 100,000 pulses.
[0025] This invention also provides a grain storage method for controlling harmful biological agents in grain using pulsed electric fields, comprising:
[0026] The above-mentioned grain storage system utilizes pulsed electric fields to control harmful biological agents in grains;
[0027] Raw grains enter the silo through the feed inlet on the top of the silo. Once the silo is full of raw grains, the pulse power supply is intermittently turned on, and the raw grains in the silo are processed using electrode plates.
[0028] This invention uses a pulsed electric field to treat grain, which effectively controls pests, delays mold growth, and deactivates lipases to stabilize the quality of stored grain. The system is simple in structure, easy to operate, highly efficient and energy-saving, and low in cost.
[0029] Example 1
[0030] like Figs. 1-3 As shown, a grain storage system for controlling harmful microorganisms in stored corn using pulsed electric fields includes a silo body 1, a silo roof 2, a silo cover 3, silo walls 4, a silo bottom 5, a silo support structure 6, columns 7, electrode plates 8, a pulsed power supply 9, and a feed inlet 10. The silo cover 3 is placed on the silo roof 2, which has a feed inlet 10. The columns 7 include a central column 7-a and side columns 7-b. The electrode plates 8 are respectively wrapped around the outer wall of the columns 7 and the inner wall of the silo body 1, and connected to the pulsed power supply 9 located outside the silo body 1. Raw corn grains enter the silo body through the feed inlet 10 on the roof. After the silo is filled with corn grains, the pulsed power supply is intermittently activated, and the electrode plates treat the stored corn grains in the silo. The pulsed power supply 9 has an operating electric field strength of 2kV / cm to 85kV / cm, a pulse width of 10μs to 10ms, and an intensity of 400 pulses to 100,000 pulses. Specific values are set within the range according to actual needs.
[0031] Example 2
[0032] like Figs. 1-3As shown, a grain storage system for controlling harmful microorganisms in wheat storage using pulsed electric fields includes a storage chamber 1, a storage roof 2, a storage cover 3, storage walls 4, a storage bottom 5, a storage support structure 6, columns 7, electrode plates 8, a pulsed power supply 9, and a feed inlet 10. The storage cover 3 is placed in the storage chamber 2, the storage roof 2 has a feed inlet 10, and the columns 7 include a central column 7-a and side columns 7-b. The electrode plates 8 are respectively wrapped around the outer wall of the columns 7 and the inner wall of the storage chamber 1, and connected to the pulsed power supply 9 located outside the storage chamber 1. Raw grain enters the storage chamber through the feed inlet on the storage roof. After the storage chamber is filled with wheat grain, the pulsed power supply is intermittently activated, and the electrode plates treat the wheat grain in the storage chamber. The pulsed power supply 9 has an operating electric field strength of 2kV / cm to 85kV / cm, a pulse width of 10μs to 10ms, and an intensity of 400 pulses to 100,000 pulses. Specific values are set within the range according to actual needs.
[0033] Example 3
[0034] like Figs. 1-3 As shown, a grain storage system utilizing pulsed electric fields to control harmful biological factors in rice storage includes a storage chamber 1, a storage roof 2, a storage cover 3, storage walls 4, a storage bottom 5, a storage support structure 6, columns 7, electrode plates 8, a pulsed power supply 9, and a feed inlet 10. The storage cover 3 is placed in the storage chamber 2, the storage roof 2 has a feed inlet 10, and the columns 7 include a central column 7-a and side columns 7-b. The electrode plates 8 are respectively wrapped around the outer wall of the columns 7 and the inner wall of the storage chamber 1, and connected to the pulsed power supply 9 located outside the storage chamber 1. Raw grain enters the storage chamber through the feed inlet on the storage roof. After the storage chamber is full of rice grains, the pulsed power supply is intermittently activated, and the electrode plates treat the rice stored in the storage chamber. The pulsed power supply 9 has an operating electric field strength of 2kV / cm to 85kV / cm, a pulse width of 10μs to 10ms, and an intensity of 400 pulses to 100,000 pulses. Specific values are set within the range according to actual needs.
[0035] It should be understood that the above embodiments are merely illustrative of the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.
Claims
1. A grain storage system, characterized in that: Includes the bin body (1), bin top (2), bin cover (3), bin bottom (5), bin body support structure (6), column (7), electrode plate (8), pulse power supply (9), and feed inlet (10); The top of the silo (2) is located on the upper part of the silo body (1), the bottom of the silo (5) is located at the bottom of the silo body (1), the cover (3) is placed on the top of the top of the silo (2), the feed inlet (10) is provided on the top of the silo (2), the column (7) is located inside the silo body (1), including a central column (7-a) located in the center and side columns (7-b) arranged around the central column (7-a), the electrode plates (8) are respectively wrapped on the outer wall of the column (7) and the inner wall of the silo body (1), and connected to the pulse power supply (9); the grain can enter the silo body (1) through the feed inlet (10) on the top of the silo, the pulse power supply (9) is started intermittently, and the pulse electric field of the electrode plates (8) can be used to process the grain in the storage system; The side of the silo body (1) is the silo wall (4), which includes an outer silo wall (4-a) and an inner silo wall (4-b). The bottom of the silo top (2) is provided with a silo support structure (6). The number of side pillars (7-b) is four, the diameter of the central pillar (7-a) and the side pillars (7-b) is 0.5 m, and the electrode sheet (8) unfolds into a rectangular thin plate with a thickness of 1 cm; The pulse power supply (9) is located outside the chamber (1).
2. The grain storage system according to claim 1, characterized in that: The upper end of the column (7) is fixed to the warehouse support structure (6), and the lower end is fixed to the ground.
3. The grain storage system according to claim 1, characterized in that: The pulse power supply (9) has an operating electric field strength of 2 kV / cm to 85 kV / cm, a pulse width of 10 ms to 10 ms, and an action intensity of 400 pulses to 100,000 pulses.
Citation Information
Patent Citations
Granary grain storage pest killing device
CN101213960A