A high-efficiency large far-infrared drying machine drying module

Abstract

This invention discloses a drying module for a high-efficiency large-scale far-infrared dryer, comprising a drying module housing and, sequentially arranged within the drying module housing, a tempering section, a first feeder unit, a buffer section, a leak-proof component, a drying chamber, a second feeder unit, and a dehumidification chamber. The first feeder unit bears the weight of the grain in the tempering section, preventing direct contact between the grain and the far-infrared emitting plate. This reduces the pressure and wear on the drying module from the grain flowing down from the tempering section, lowers the mechanical strength requirements of the far-infrared emitting plate, and eliminates the need for additional reinforcement. This not only increases the number of far-infrared emitting plates and improves the operating efficiency of the far-infrared dryer but also solves the problem of large-scale far-infrared dryers, significantly reducing the drying cost of materials.

Description

Technical Field

[0001] This invention relates to the field of drying equipment technology, and in particular to a drying module of a high-efficiency large-scale far-infrared dryer. Background Technology

[0002] Far-infrared rays have a certain penetrating ability to grains, allowing for simultaneous heating from both the inside and outside. During the drying process, this maintains a low temperature difference between the inside and outside of the grains, preventing them from bursting during rapid dehydration. Leveraging this advantage of far-infrared rays, patent CN212619971U discloses a grid-type far-infrared drying device. This device adopts the structure of a traditional hot air dryer, using a far-infrared radiation grid at the bottom of the equipment to dry grain particles, achieving high-quality and energy-saving results. However, in the process of scaling up far-infrared dryers (single-batch processing capacity exceeding 30 tons), if a design similar to that of a traditional hot air dryer is still used, the pressure generated by the weight of the grains piled up in the tempering section will adversely affect the far-infrared drying grid. This not only places higher demands on the mechanical strength of the far-infrared grid but also increases wear on the far-infrared emitting grid, reduces drying efficiency, and increases drying costs. Therefore, a low-cost solution is urgently needed to address this technical challenge. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing a high-efficiency large-scale far-infrared dryer drying module. In this module, the first feeder unit bears the weight of the grain in the tempering section, preventing direct contact between the grain and the far-infrared emitting plate. This reduces the pressure and wear on the drying module from the grain flowing down from the tempering section, lowers the mechanical strength requirements of the far-infrared emitting plate, and eliminates the need for additional reinforcement. This not only increases the number of far-infrared emitting plates and improves the operating efficiency of the far-infrared dryer, but also solves the problem of large-scale far-infrared dryers, significantly reducing the drying cost of materials.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A drying module for a high-efficiency large-scale far-infrared dryer includes a drying module housing and, sequentially arranged within the drying module housing, a tempering section, a first grain feeding wheel unit, a buffer section, a leak-proof component, a drying chamber, a second grain feeding wheel unit, and a dehumidification chamber. Several sets of the first grain feeding wheel units are arranged below the tempering section. The buffer section is located in the cavity between the first grain feeding wheel units and the drying chamber. The leak-proof component is located on both sides of the top of the drying chamber and fixed to the inner walls of both sides of the drying module housing. The drying chamber is composed of several far-infrared emitting plates, and a set of the second grain feeding wheel units is arranged below the gap between two adjacent far-infrared emitting plates. The dehumidification chamber is located below the second grain feeding wheel units.

[0006] The present invention further defines the technical solution as follows:

[0007] Preferably, the first grain feeding wheel unit includes, from top to bottom, a grain guide component a, a grain guide component b, a grain feeding wheel a, and a grain guide component c. The grain guide component a and the grain guide component c are both closed-top V-shaped structures. The grain guide component b is a U-shaped structure with an opening in the middle of its bottom. Symmetrical grain feeding wheels a are arranged above both sides of the opening. The grain guide component a is arranged directly above the two symmetrically arranged grain feeding wheels a. The grain guide component c is arranged directly below the bottom opening of the grain guide component b.

[0008] Preferably, the closed top of grain guide a, the center line of the bottom opening of grain guide b, and the closed top of grain guide c are on the same vertical plane.

[0009] Preferably, the two symmetrically arranged grain feeding wheels a are both located within the figure-eight shape at the bottom of the grain guide a.

[0010] Preferably, the second grain feeding wheel unit includes a grain feeding wheel b and a grain guiding component d. The grain feeding wheel b is located directly below the gap between two adjacent far-infrared emitting plates and is located inside the grain guiding component d located below it.

[0011] Preferably, the grain guide element d has an arc-shaped structure.

[0012] Preferably, the grain feeding capacity of the grain feeding wheel a in the first grain feeding wheel unit and the grain feeding wheel b in the second grain feeding wheel unit has a certain ratio, specifically 1-5:1.

[0013] Preferably, the unit also includes ventilation openings located on both sides of the drying module housing and connected to the dehumidification chamber. Normal temperature air from outside the drying room is blown into the dehumidification chamber through one side ventilation opening driven by a fan, and then carries the moisture from the grains discharged from the drying room out of the dehumidification chamber through the opposite ventilation opening.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The buffer section of this invention allows the grains to maintain a certain stacking height. After the grains have reached a certain stacking height, they will cover all the far-infrared emitting plates, ensuring that each drying chamber is filled with grains to be dried. In addition, after the grains have reached a certain stacking height, the stacked grains directly receive the grains flowing down from the tempering section, which can greatly reduce the pressure and wear on the drying module caused by the grains flowing down from the tempering section.

[0016] 2. Two grain feeding wheel units: The first grain feeding wheel unit bears the weight of the grain in the tempering stage, avoiding direct contact between the grain in the tempering stage and the far-infrared emitting plate. This reduces the mechanical strength requirements of the far-infrared emitting plate, eliminating the need for additional reinforcement. Removing unnecessary mechanical strength reinforcement devices allows for an increase in the number of far-infrared emitting grids, thereby improving the operating efficiency of the far-infrared dryer and achieving unexpected technical benefits.

[0017] 3. This invention uses the first grain wheel unit to bear the weight of the grain in the tempering stage, which solves the problem of large-scale far-infrared dryers and greatly reduces the drying cost of materials. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the drying module of a high-efficiency large-scale far-infrared dryer according to the present invention;

[0019] Figure 2 This is a schematic diagram of the structure of the first grain turbine generator unit;

[0020] Figure 3 This is a schematic diagram of the second grain turbine generator unit.

[0021] In the diagram: 1. Tempering section; 2. Grain in tempering section; 3. First grain feeding wheel unit; 3-1. Grain guide a; 3-2. Grain guide b; 3-3. Grain feeding wheel a; 3-4. Grain guide c; 4. Buffer section; 5. Grain in buffer section; 6. Leak-proof component; 7. Drying module box; 8. Far-infrared emitting plate; 9. Drying chamber; 10. Second grain feeding wheel unit; 10-1. Grain feeding wheel b; 10-2. Grain guide d; 11. Dehumidification chamber; 12. Ventilation opening. Detailed Implementation

[0022] Example 1

[0023] This embodiment provides a drying module for a high-efficiency large-scale far-infrared dryer, such as... Figure 1-3As shown, the system includes a drying module housing 7 and, sequentially arranged within the drying module housing, a tempering section 1, a first grain feeding wheel unit 3, a buffer section 4, a leak-proof component 6, a drying chamber 9, a second grain feeding wheel unit 10, a dehumidification chamber 11, and a ventilation opening 12. Below the tempering section 1, three sets of first grain feeding wheel units 3 are arranged. Each first grain feeding wheel unit includes, from top to bottom, a grain guide component a3-1, a grain guide component b3-2, a grain feeding wheel a3-3, and a grain guide component c3-4. Grain guide components a3-1 and c3-4... All four are closed-top figure-eight structures. The grain guide b3-2 is a U-shaped structure with an opening in the middle of its bottom. Symmetrical grain-dispensing wheels a3-3 are set above the two openings. The grain guide a is set directly above the two symmetrical grain-dispensing wheels a, and both grain-dispensing wheels a are located inside the figure-eight shape at the bottom of the grain guide a. The grain guide c is set directly below the bottom opening of the grain guide b. The closed top of the grain guide a, the center line of the bottom opening of the grain guide b, and the closed top of the grain guide c are on the same vertical plane.

[0024] The buffer section 4 is located in the cavity between the first grain feeding wheel unit 3 and the drying chamber 9. The leak-proof parts 6 are set on both sides of the top of the drying chamber and fixed to the inner walls of both sides of the drying module box. The drying chamber is composed of several far-infrared emitting plates 8. A second grain feeding wheel unit 10 is set below the gap between two adjacent far-infrared emitting plates. The second grain feeding wheel unit includes a feeding wheel b10-1 and an arc-shaped grain guide d10-2. The feeding wheel b is set directly below the gap between two adjacent far-infrared emitting plates and is located in the arc-shaped grain guide d below it. The dehumidification chamber 11 is located below the second grain feeding wheel unit. Ventilation openings 12 connected to the dehumidification chamber are set on both sides of the drying module box corresponding to the position of the dehumidification chamber.

[0025] In this embodiment, the grain feeding capacity of the grain feeding wheel a in the first grain feeding wheel unit and the grain feeding wheel b in the second grain feeding wheel unit has a certain ratio, specifically 4:1.

[0026] In this embodiment, the tempering section is the tempering section of a traditional dryer, which is used to store grains. The heated grains slowly release some of their moisture in this section.

[0027] In this embodiment, the buffer section allows the grain to maintain a certain stacking height. Once the grain has reached a certain stacking height, it will cover all the far-infrared emitting plates, ensuring that each drying chamber is filled with grain to be dried. Furthermore, once the grain has reached a certain stacking height, the stacked grain directly receives the grain flowing down from the tempering section, reducing wear and tear on the drying module caused by the grain flowing down from the tempering section.

[0028] In this embodiment, the first grain feeding wheel unit consists of a feeding wheel and a grain guide component. It is used to bear the weight of the grain in the tempering section and guide the flow of the grain. The grain guide component a is used to bear the weight of the grain in the tempering section and guide the grain to the grain guide component b of the first grain feeding wheel unit. The grain guide component b provides some support for the grain in the tempering section and guides the grain to the feeding wheel a in the first grain feeding wheel unit. The feeding wheel a is used to control the speed at which the grain in the tempering section flows to the buffer section. The grain guide component c mainly serves to divert the grain and prevent the local grain accumulation height in the buffer section from being too high.

[0029] In this embodiment, the grain feeding wheel b in the second grain feeding wheel unit is located directly below the drying chamber and is used to control the residence time of the grain to be dried in the drying chamber, thereby controlling the drying speed of the grain to be dried. Its grain guide d is used to support the weight of the grain in the drying module and prevent the grain from flowing directly out of the drying chamber.

[0030] In this embodiment, the leak-proof components are set on both sides of the top of the drying chamber and fixed to the inner walls of both sides of the drying module box to prevent the grains in the drying chamber from contacting the inner wall of the drying module box. The far-infrared emitting plate inside provides a stable heat source that is far-reaching and continuous, so as to dry the grains quickly and efficiently.

[0031] In this embodiment, ventilation openings are provided on both sides of the drying module housing corresponding to the dehumidification chamber. Normal temperature air outside the drying room is blown into the dehumidification chamber through one side ventilation opening under the drive of the fan, and then carries the moisture discharged from the grain inside the drying room out of the dehumidification chamber through the opposite ventilation opening.

[0032] In this embodiment, during the grain drying process, the first grain feeding wheel unit 3 supports the softened grain 2 in the softening section 1. The weight of the softened grain 2 is mainly distributed on the grain guide a and grain guide b. Under the action of the feeding wheel a, it slowly flows towards the buffer section 4. During this flow, the softened grain 2 is diverted by the grain guide c, and finally two smaller grain piles are formed diagonally below the grain guide c, thus avoiding the formation of a tall grain pile directly below the grain guide c. A layer of buffer section grain 5 is accumulated in the buffer section 4. The buffer section grain 5 directly receives the softened grain 2 diverted from above, avoiding impact and friction damage to the leak-proof component 6, the drying module box 7, and the far-infrared radiation emitting plate 8 caused by the softened grain 2.

[0033] The rotational speed of the grain feeder b in the second feeder unit 10 can adjust the residence time of the grain to be dried in the drying chamber 9, thereby controlling the drying rate of the grain and avoiding problems such as grain bursting due to excessive drying.

[0034] In the description of this invention, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "both ends," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0035] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A drying module for a high-efficiency large-scale far-infrared dryer, comprising a drying module housing and, sequentially arranged within the drying module housing, a tempering section, a first feeder unit, a buffer section, a leak-proof component, a drying chamber, a second feeder unit, and a dehumidification chamber, characterized in that: Below the tempering section, several sets of the first grain feeding wheel units are arranged. The first grain feeding wheel unit includes a grain guide a, a grain guide b, a grain feeding wheel a, and a grain guide c arranged from top to bottom. The grain guide a and the grain guide c are both closed-top V-shaped structures. The grain guide b is a U-shaped structure with an opening in the middle of its bottom. Symmetrical grain feeding wheels a are arranged above the two sides of the opening. The grain guide a is arranged directly above the two symmetrically arranged grain feeding wheels a. The grain guide c is arranged directly below the bottom opening of the grain guide b. The buffer section is located in the cavity between the first grain feeding wheel unit and the drying chamber. The leak-proof component is set on both sides of the top of the drying chamber and fixed to the inner walls of both sides of the drying module box. The drying chamber is composed of several far-infrared emitting plates, and a set of second grain feeding wheels is set below the gap between two adjacent far-infrared emitting plates. The dehumidification chamber is located below the second grain feeding wheel unit. The second grain feeding wheel unit includes a grain feeding wheel b and a grain guiding component d. The grain feeding wheel b is located directly below the gap between two adjacent far-infrared emitting plates and is located inside the grain guiding component d located below it.

2. The drying module of a high-efficiency large-scale far-infrared dryer according to claim 1, characterized in that, The closed top of grain guide a, the center line of the bottom opening of grain guide b, and the closed top of grain guide c are on the same vertical plane.

3. The drying module of a high-efficiency large-scale far-infrared dryer according to claim 1, characterized in that, The two symmetrically arranged grain feeding wheels a are both located within the figure-eight shape at the bottom of the grain guide a.

4. The drying module of a high-efficiency large-scale far-infrared dryer according to claim 1, characterized in that, The grain guide component d has an arc-shaped structure.

5. The drying module of a high-efficiency large-scale far-infrared dryer according to claim 1, characterized in that, The grain feeding capacity of the grain feeding wheel a in the first grain feeding wheel unit and the grain feeding wheel b in the second grain feeding wheel unit has a certain ratio, specifically 1-5:

1.

6. The drying module of a high-efficiency large-scale far-infrared dryer according to claim 1, characterized in that, It also includes ventilation openings located on both sides of the drying module housing and connected to the dehumidification chamber.

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