Solar thermal cycle grain drying device

Abstract

The utility model provides a solar thermal cycle grain drying device which comprises a solar thermal collector assembly, a plurality of solar thermal cycle devices and a plurality of solar thermal cycle devices, and the solar thermal collector assembly comprises a gas storage tank, a plurality of support structures and a plurality of solar thermal collector structures; the multiple solar heat collector structures and the multiple support structures are arranged in a one-to-one correspondence mode, and all the solar heat collector structures communicate with the air storage tank; the grain drying chamber assembly communicates with the solar heat collector assembly, the grain drying chamber assembly comprises a drying chamber structure, a heat distribution structure, a dripping water guiding structure and an air inducing structure, and the heat distribution structure is arranged between an air inlet of the drying chamber structure and an air outlet of the drying chamber structure; to-be-dried grains are arranged on the heat distribution structure, and the air inducing structure is arranged in the drying chamber structure. According to the technical scheme, the problem that more electric energy is consumed during grain drying in the prior art is effectively solved.

Description

Technical Field

[0001] This application relates to the technical field of solar thermal utilization, and particularly relates to a solar thermal cycle grain drying device. Background Art

[0002] Grain is a very important material for a country. Generally, for grain storage, it is often necessary to evaporate the internal moisture to keep the grain (such as cereals) dry.

[0003] In some existing technologies, grains are dried by spreading them on the roadside or in an open space. During the drying process, the nearly dried grains are often soaked due to sudden rain, resulting in mildew and germination of grains and other foods.

[0004] To solve the above problems, there is also a method of conveying grains through a heating channel for drying, as seen in the compound electric heating grain dryer with the application number 201710197967.7. The heating channel is generally heated by electric energy, and such a method requires a large amount of electric energy consumption, increasing the production cost of grains. Utility Model Content

[0005] One technical problem to be solved by this application is that a large amount of electric energy is consumed during the existing grain drying process.

[0006] To solve the above technical problem, this application provides a solar thermal cycle grain drying device, including: a solar collector assembly, which includes an air storage tank, a plurality of support structures, and a plurality of solar collector structures; the plurality of solar collector structures are arranged in one-to-one correspondence with the plurality of support structures, and each solar collector structure is connected to the air storage tank; a grain drying chamber assembly, which is connected to the solar collector assembly, and the grain drying chamber assembly includes a drying chamber structure, a heat distribution structure, a drip guiding structure, and a ventilation structure. The heat distribution structure is arranged between the air inlet and the air outlet of the drying chamber structure, the grains to be dried are arranged on the heat distribution structure, and the ventilation structure is arranged inside the drying chamber structure.

[0007] In some embodiments, the air storage tank includes a tank body, a total inlet pipe section, a one-way valve, a total outlet pipe section, a circulation outlet pipe section, and a circulation inlet pipe section. The one-way valve is arranged on the total inlet pipe section. The total inlet pipe section, the total outlet pipe section, the circulation outlet pipe section, and the circulation inlet pipe section are all connected to the tank body. The circulation outlet pipe section is connected to the inlets of the plurality of solar collector structures, the circulation inlet pipe section is connected to the outlets of the plurality of solar collector structures, and the total outlet pipe section is connected to the drying chamber structure.

[0008] In some embodiments, the heat distribution structure includes a sieve plate layer and a grain support layer. The sieve plate layer is located on the lower side of the grain support layer. The sieve plate layer has sieve holes, the grain support layer has gas flow channels, and there are multiple cushion blocks between the sieve plate layer and the grain support layer.

[0009] In some embodiments, there are multiple air inlets of the drying chamber structure. The multiple air inlets of the drying chamber structure are arranged on the side wall of the drying chamber structure and are located at the lower part of the heat distribution structure.

[0010] In some embodiments, the drying chamber structure has an air outlet. The air extraction structure includes an air extraction fan, and the air extraction fan is arranged at the air outlet of the drying chamber structure.

[0011] In some embodiments, the air extraction structure further includes a hollow vertical wall. The side wall of the vertical wall has multiple ventilation holes, the top of the vertical wall has an air outlet, the vertical wall is arranged at the lower part of the air outlet of the drying chamber structure, and the side wall of the vertical wall has a water diversion channel.

[0012] In some embodiments, the drip guiding structure is arranged at the top of the drying chamber structure. In the direction from the middle part to the side part of the drying chamber structure, the drip guiding structure gradually slopes downward.

[0013] In some embodiments, multiple solar collector structures are respectively arranged on the east side and the west side of the grain drying chamber assembly.

[0014] In some embodiments, each support structure includes a base, a rotating motor and a mounting frame. The rotating motor is mounted on the base, the mounting frame is mounted on the output end of the rotating motor, and the solar collector structure is mounted on the mounting frame.

[0015] In some embodiments, the grain drying chamber assembly further includes multiple stirring fans, and the multiple stirring fans are respectively arranged inside the drying chamber structure.

[0016] Through the above technical solutions, the solar collector structure provided by the present application heats the gas in the gas storage tank. The air extraction structure diverts the heated gas in the gas storage tank into the drying chamber structure and discharges it from the drying chamber structure. The heated gas passes through the heat distribution structure to make the heated gas pass through the grain to be dried as evenly as possible. Since the air in the drying chamber structure contains moisture, when the moist air encounters the drip guiding structure, part of it will condense into water droplets and flow out. This avoids the condensed water droplets from contaminating the dried grain. The technical solution of the present application collects solar energy and greatly saves energy. The technical solution of the present application effectively solves the problem that a large amount of electric energy is consumed during grain drying in the prior art. Description of the Drawings

[0017] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0018] Figure 1 Fig. shows a schematic perspective view of a solar thermal cycle grain drying device according to an embodiment of the present application;

[0019] Figure 2 shows Figure 1 a schematic cross-sectional view of a grain drying chamber assembly of the solar thermal cycle grain drying device of;

[0020] Figure 3 shows Figure 1 a schematic view of a bracket structure of the solar thermal cycle grain drying device of;

[0021] Figure 4 shows Figure 1 a schematic view of an air storage tank of the solar thermal cycle grain drying device of.

[0022] The above-mentioned drawings include the following reference numerals:

[0023] 10. Solar collector assembly; 11. Air storage tank; 12. Bracket structure; 13. Solar collector structure; 20. Grain drying chamber assembly; 21. Drying chamber structure; 22. Heat distribution structure; 23. Drip guiding structure; 24. Air guiding structure; 25. Stirring fan. Detailed Embodiments

[0024] The following will further describe the embodiments of the present application in detail in conjunction with the drawings and embodiments. The detailed description and drawings of the following embodiments are used to exemplarily illustrate the principles of the present application, but cannot be used to limit the scope of the present application. The present application can be implemented in many different forms, not limited to the specific embodiments disclosed in the text, but including all technical solutions falling within the scope of the claims.

[0025] The present application provides these embodiments to make the present application thorough and complete, and to fully express the scope of the present application to those skilled in the art. It should be noted that: unless otherwise specifically stated, the relative arrangements of components and steps, the components of materials, numerical expressions and values described in these embodiments should be interpreted as merely exemplary, rather than as limitations.

[0026] It should be noted that in the description of this application, unless otherwise specified, the meaning of "a plurality of" is greater than or equal to two; the orientation or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", etc. are only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to this application. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0027] In addition, the "first", "second" and similar terms used in this application do not denote any order, quantity or importance, but are only used to distinguish different parts. "Vertical" is not strictly vertical, but within the allowable error range. "Parallel" is not strictly parallel, but within the allowable error range. Terms such as "including" or "comprising" mean that the elements before this term cover the elements listed after this term, and do not exclude the possibility of also covering other elements.

[0028] It should also be noted that in the description of this application, unless otherwise clearly specified and limited, the terms "mounted", "connected" and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances. When it is described that a specific device is located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device.

[0029] All terms used in this application have the same meaning as understood by those of ordinary skill in the art to which this application pertains, unless otherwise specifically defined. It should also be understood that terms defined in a general dictionary, such as those, should be interpreted as having a meaning consistent with their meaning in the context of the relevant art, and should not be interpreted in an idealized or overly formal sense, unless specifically defined as such here.

[0030] Technologies, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods and devices should be regarded as part of the specification.

[0031] Such as Figures 1 to 4As shown in the figure, the solar thermal cycle grain drying device of this embodiment includes: a solar collector assembly 10, and the solar collector assembly 10 includes an air storage tank 11, a plurality of support structures 12, and a plurality of solar collector structures 13; the plurality of solar collector structures 13 are arranged in one-to-one correspondence with the plurality of support structures 12, and each solar collector structure 13 is connected to the air storage tank 11. A grain drying chamber assembly 20, the grain drying chamber assembly 20 is connected to the solar collector assembly 10, and the grain drying chamber assembly 20 includes a drying chamber structure 21, a heat distribution structure 22, a drip guiding structure 23, and an air guiding structure 24. The heat distribution structure 22 is arranged between the air inlet and the air outlet of the drying chamber structure 21. The grain to be dried is arranged on the heat distribution structure 22, and the air guiding structure 24 is arranged inside the drying chamber structure 21.

[0032] Through the above technical solution, the solar collector structure provided in this embodiment heats the gas in the air storage tank. The air guiding structure 24 diverts the heated gas in the air storage tank 11 into the drying chamber structure 21 and discharges the drying chamber structure 21. The heated gas passes through the heat distribution structure 22, and the heated gas passes through the grain to be dried as evenly as possible. Since the air in the drying chamber structure 21 contains moisture, when the moist air encounters the drip guiding structure 23, part of it will condense into water droplets and flow out. This avoids the condensed water droplets from contaminating the dried grain. The technical solution of this embodiment greatly saves energy by collecting solar energy. The technical solution of this application effectively solves the problem that a large amount of electric energy is consumed during grain drying in the prior art.

[0033] As Figure 1 and Figure 4 shown in the figure, in the technical solution of this embodiment, the air storage tank 11 includes a tank body, a total inlet pipe section, a one-way valve, a total outlet pipe section, a circulating outlet pipe section, and a circulating inlet pipe section. The one-way valve is arranged on the total inlet pipe section. The total inlet pipe section, the total outlet pipe section, the circulating outlet pipe section, and the circulating inlet pipe section are all connected to the tank body. The circulating outlet pipe section is connected to the inlets of the plurality of solar collector structures 13, and the circulating inlet pipe section is connected to the outlets of the plurality of solar collector structures 13. The total outlet pipe section is connected to the drying chamber structure 21. The above structure enables the solar collector structure to heat the gas in the air storage tank 11 even when the gas in the air storage tank 11 is not conveyed into the drying chamber structure 21. It should be noted that the bottom of the air storage tank 11 has a water discharge port, and the total outlet pipe section is located in the middle and lower part of the tank body.

[0034] As Figure 2As shown in the figure, in the technical solution of this embodiment, the heat distribution structure 22 includes a sieve plate layer and a grain support layer. The sieve plate layer is located below the grain support layer. The sieve plate layer has sieve holes, the grain support layer has gas flow channels, and there are multiple cushion blocks between the sieve plate layer and the grain support layer. The above structure enables the heated gas to be transported as evenly as possible into the interior of the drying chamber structure 21. It should be noted that the gas is first distributed once through the sieve plate, and the grain support layer can also play a role in gas distribution. The grain support layer can be provided with multiple layers, so that the space of the drying chamber structure 21 can be fully utilized.

[0035] As Figure 4 shown in the figure, in the technical solution of this embodiment, there are multiple air inlets of the drying chamber structure 21. The multiple air inlets of the drying chamber structure 21 are arranged on the side wall of the drying chamber structure 21 and are located below the heat distribution structure 22. Having multiple air inlets of the drying chamber structure 21 can ensure the uniform distribution of gas as much as possible. In this way, not only can the pressure of gas distribution on the sieve plate layer be reduced, but also preparations for the uniform distribution of gas can be made from the source. It should be noted that the main outlet pipe section is connected to the air inlets of multiple drying chamber structures 21 through branch pipes.

[0036] As Figure 2 shown in the figure, in the technical solution of this embodiment, the drying chamber structure 21 has an air outlet, and the air extraction structure 24 includes an air extraction fan. The air extraction fan is arranged at the air outlet of the drying chamber structure 21. The air extraction fan can forcibly drain the gas in the drying chamber structure 21, thus improving the drying efficiency of the grain. It should be noted that due to the one-way valve in the main inlet pipe section of the gas storage tank 11, a negative pressure is formed in the gas storage tank 11 under the action of the air extraction fan, and the one-way valve is opened under the action of the negative pressure, and external gas enters the interior of the gas storage tank 11. Before the external gas enters the gas storage tank 11, it passes through the inlet pipe. The inlet pipe is coiled around the circumferential outer side of the gas storage tank 11, so that the external gas is preheated to a certain extent before entering the gas storage tank 11, improving the heating efficiency of the gas in the gas storage tank 11. In addition, a filter screen is also provided in the main inlet pipe section to filter some pollutants in the external gas.

[0037] As Figure 2As shown, in the technical solution of this embodiment, the air induction structure 24 further includes a hollow vertical wall. The side wall of the vertical wall has a plurality of ventilation holes, and the top of the vertical wall has an air outlet. The vertical wall is arranged below the air outlet of the drying chamber structure 21, and the side wall of the vertical wall has a water diversion channel. The arrangement of the vertical wall enables the gas to pass through the vertical wall concentratedly, facilitating the centralized treatment of the moisture in the drying chamber structure 21. This avoids the secondary wetting of the grains. It should be noted that a water diversion groove is arranged at the bottom of the vertical wall, and the water diversion groove is communicated with the water diversion channel. The gas in the drying chamber structure 21 will contact the vertical wall, and part of the moisture in the gas gradually condenses on the vertical wall. The water droplets gradually increase and flow downward along the vertical wall under the action of gravity. Therefore, the vertical wall can be a vertical surface without setting a special water diversion structure. Of course, in order to facilitate the dripping of the water droplets, a special water diversion structure can also be set, which will not be elaborated in detail here.

[0038] As Figure 2 shown, in the technical solution of this embodiment, the dripping guide structure 23 is arranged at the top of the drying chamber structure 21, and gradually slopes downward in the direction from the middle of the drying chamber structure 21 to the side of the drying chamber structure 21. The dripping guide structure 23 can effectively guide the water droplets formed at the top of the drying chamber structure 21, so as to avoid the water droplets of the drying chamber structure 21 from contaminating the grains. It should be noted that the air outlet of the drying chamber structure 21 is arranged in the middle of the drying chamber structure 21. The dripping guide structure 23 is a plurality of guide plates, and there is a gap between adjacent guide plates. The guide plate near the air outlet of the drying chamber structure 21 is higher than the guide plate far from the air outlet of the drying chamber structure 21, and there is partial overlap in the vertical direction. Such a structure can not only ensure the gradual drainage of the water droplets, but also ensure that the gas can pass through the dripping guide structure 23.

[0039] As Figure 1 shown, in the technical solution of this embodiment, a plurality of solar collector structures 13 are respectively arranged on the east side and the west side of the grain drying chamber assembly 20. This can better collect the sunlight and improve the utilization efficiency of solar energy.

[0040] As Figure 3 shown, in the technical solution of this embodiment, each support structure 12 includes a base, a rotating motor and a mounting frame. The rotating motor is mounted on the base, the mounting frame is mounted on the output end of the rotating motor, and the solar collector structure 13 is mounted on the mounting frame. The above structure further improves the utilization efficiency of sunlight. For example, in the morning, the solar collector structure 13 on the east side rotates through the rotating motor and faces east. At noon, the solar collector structure 13 on the east side rotates through the rotating motor and faces south.

[0041] As [[ID=D19]] Figure 1As shown, in the technical solution of this embodiment, the grain drying chamber assembly 20 further includes a plurality of stirring fans 25, and the plurality of stirring fans 25 are respectively arranged inside the drying chamber structure 21. On the one hand, the stirring fans 25 make the gas inside the drying chamber structure 21 more uniform, and on the other hand, the flow of the gas can better carry away the moisture of the grains.

[0042] So far, the embodiments of the present application have been described in detail. To avoid obscuring the concept of the present application, some details well known in the art have not been described. Those skilled in the art can fully understand how to implement the technical solution disclosed here based on the above description.

[0043] Although some specific embodiments of the present application have been described in detail by way of examples, those skilled in the art should understand that the above examples are only for illustration and not for limiting the scope of the present application. Those skilled in the art should understand that the above embodiments can be modified or partial technical features can be equivalently replaced without departing from the scope and spirit of the present application. In particular, as long as there is no structural conflict, the technical features mentioned in each embodiment can be combined in any way.

Claims

1. A solar thermal cycle grain drying device, characterized in that, Comprising: A solar collector assembly (10), the solar collector assembly (10) including a gas storage tank (11), a plurality of support structures (12) and a plurality of solar collector structures (13); the plurality of solar collector structures (13) are arranged in one-to-one correspondence with the plurality of support structures (12), and each solar collector structure (13) is communicated with the gas storage tank (11); A grain drying chamber assembly (20), the grain drying chamber assembly (20) being communicated with the solar collector assembly (10), the grain drying chamber assembly (20) including a drying chamber structure (21), a heat distribution structure (22), a drip guiding structure (23) and an air guiding structure (24), the heat distribution structure (22) being arranged between the air inlet of the drying chamber structure (21) and the air outlet of the drying chamber structure (21), the grain to be dried being arranged on the heat distribution structure (22), and the air guiding structure (24) being arranged inside the drying chamber structure (21).

2. The solar thermal cycle grain drying device according to claim 1, wherein The gas storage tank (11) includes a tank body, a total inlet pipe section, a one-way valve, a total outlet pipe section, a circulating outlet pipe section and a circulating inlet pipe section, the one-way valve being arranged on the total inlet pipe section, the total inlet pipe section, the total outlet pipe section, the circulating outlet pipe section and the circulating inlet pipe section all being communicated with the tank body, the circulating outlet pipe section being communicated with the inlets of the plurality of solar collector structures (13), the circulating inlet pipe section being communicated with the outlets of the plurality of solar collector structures (13), and the total outlet pipe section being communicated with the drying chamber structure (21).

3. The solar thermal cycle grain drying device according to claim 2, characterized in that, The heat distribution structure (22) includes a sieve plate layer and a grain support layer, the sieve plate layer being located below the grain support layer, the sieve plate layer having sieve holes, the grain support layer having gas flow channels, and there being a plurality of spacer blocks between the sieve plate layer and the grain support layer.

4. The solar thermal cycle grain drying device according to claim 2, characterized in that, The air inlets of the drying chamber structure (21) are multiple, and the multiple air inlets of the drying chamber structure (21) are arranged on the side wall of the drying chamber structure (21) and are located below the heat distribution structure (22).

5. The solar thermal cycle grain drying device according to claim 2, characterized in that, The drying chamber structure (21) has an air outlet, and the air guiding structure (24) includes an air guiding fan, and the air guiding fan is arranged at the air outlet of the drying chamber structure (21).

6. The solar thermal cycle grain drying device according to claim 5, characterized in that, The air guiding structure (24) further includes a hollow vertical wall, the side wall of the vertical wall having a plurality of ventilation holes, the top of the vertical wall having an air outlet, the vertical wall being arranged below the air outlet of the drying chamber structure (21), and the side wall of the vertical wall having a water drainage channel.

7. The solar thermal cycle grain drying device according to claim 6, wherein The drip guiding structure (23) is arranged at the top of the drying chamber structure (21), and in the direction from the middle of the drying chamber structure (21) to the side of the drying chamber structure (21), the drip guiding structure (23) gradually slopes downward.

8. The solar thermal cycle grain drying device according to claim 1, characterized in that, The plurality of solar collector structures (13) are respectively arranged on the east side and the west side of the grain drying chamber assembly (20).

9. The solar thermal cycle grain drying device according to claim 1, characterized in that, Each of the bracket structures (12) includes a base, a rotating motor, and a mounting bracket. The rotating motor is mounted on the base, the mounting bracket is mounted on the output end of the rotating motor, and the solar collector structure (13) is mounted on the mounting bracket.

10. The solar thermal cycle grain drying device according to claim 1, characterized in that, The grain drying chamber assembly (20) further includes a plurality of stirring blowers (25), and the plurality of stirring blowers (25) are respectively arranged inside the drying chamber structure (21).

Images