Grain dryer

Abstract

The utility model provides a grain drying machine, relates to the technical field of grain drying, and solves the technical problems that a grain drying machine in the prior art is unreasonable in design, and in the grain drying process, airflow easily causes dust leakage, pollutes the working environment and has potential safety hazards. The outer peripheral wall of the drying bin is of a closed structure, the drying cavity is arranged on the periphery of the grain storage cavity in a sleeving mode, and the air outlet is formed in the inner peripheral wall of the drying cavity, so that hot air output by the hot air supply mechanism continuously enters the grain storage cavity through the air outlet after entering the drying cavity, and grain in the grain storage cavity is dried; the impurities are uniformly treated through the impurity removing mechanism, the drying effect of the grains dried through the grain drying machine is uniform, and the working environment is free of dust pollution.

Description

Technical Field

[0001] The utility model relates to the technical field of grain drying, in particular to a grain drying machine. Background Art

[0002] With the rapid progress and development of my country's economy and science and technology in recent years, my country's agriculture has also achieved rapid development, the level of agricultural automation has been greatly improved, and the efficiency of grain production has also achieved a great leap. In terms of grain drying and storage, grain drying equipment has also come into being.

[0003] In the existing grain dryer structure, the outer wall of the drying bin adopts a mesh plate with holes, and hot air flows from the inside to the outside to achieve heating and drying of the grain.

[0004] The applicant has found that the prior art has at least the following technical problems:

[0005] During the flow of hot air, the dust in the grain is blown out through the mesh plate to the outside of the drying bin, causing pollution to the working environment and prone to dust explosions, posing a safety hazard.

[0006] In view of this, the utility model is proposed Utility Model Content

[0007] The purpose of the utility model is to provide a grain dryer to solve the technical problems in the prior art that the grain dryer is not designed reasonably, the airflow easily causes dust to leak out during the grain drying process, pollutes the working environment, and has potential safety hazards. The preferred technical solution among the many technical solutions provided by the utility model can produce many technical effects as described below.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] The utility model provides a grain dryer, comprising a drying bin, a hot air supply mechanism and a debris removal mechanism, the outer peripheral wall of the drying bin is a closed structure, a drying chamber is arranged in the drying bin, the drying chamber is arranged on a grain storage chamber of the drying bin, the air inlet end of the drying chamber is connected with the hot air supply mechanism, an air outlet is arranged on the inner peripheral wall of the drying chamber, the air outlet is used to connect the drying chamber and the grain storage chamber, and the debris removal mechanism is arranged on the grain storage chamber.

[0010] Preferably, the bottom of the drying bin is a truncated cone structure.

[0011] Preferably, the drying chamber is an annular structure and is arranged in the lower middle part or the lower part of the grain storage chamber.

[0012] Preferably, it also includes a circulating stirring mechanism, which includes a circulating auger and a circulating motor. The circulating auger is arranged in the middle of the drying bin and penetrates the drying bin up and down. The circulating motor drives the circulating auger to rotate with its central axis as the rotating axis.

[0013] Preferably, a debris storage bin is provided at the bottom of the circulating auger, and a debris discharge port is provided on the debris storage bin, and the debris discharge port is used to connect the debris storage bin with the grain storage cavity.

[0014] Preferably, the hot air supply mechanism comprises a hot air stove and a conveying fan, and the air outlet end of the hot air stove is connected to the air inlet end of the drying chamber through the conveying fan.

[0015] Preferably, the impurity removal mechanism includes a dust suction fan and a first Shaklon dust collector, the top of the circulating auger is connected to the dust suction fan, and the air outlet end of the dust suction fan is connected to the first Shaklon dust collector.

[0016] Preferably, a debris removal chamber is provided between the grain storage chamber and the circulating auger, and the outer peripheral wall of the debris removal chamber is a mesh structure.

[0017] Preferably, the impurity removal mechanism further includes a dehumidification channel and a second Shaklon dust collector, the feed end of the dehumidification channel is communicated with the impurity removal chamber, and the discharge end of the dehumidification channel is connected to the second Shaklon dust collector.

[0018] Preferably, a grain outlet channel is provided at the upper portion of the grain storage cavity.

[0019] The preferred technical solution of the utility model can also produce at least the following technical effects:

[0020] The utility model effectively avoids the technical problems existing in the prior art that the grain dryer is irrationally designed, and the airflow easily causes dust leakage during the grain drying process, polluting the working environment and posing safety hazards. The utility model provides a grain dryer, including a drying bin, a hot air supply mechanism and a dust removal mechanism. The outer peripheral wall of the drying bin is a closed structure, and a drying chamber is arranged in the drying bin. The drying chamber is an annular structure and is arranged on the grain storage chamber of the drying bin. The air inlet end of the drying chamber is connected to the hot air supply mechanism, and an air outlet is arranged on the inner peripheral wall of the drying chamber. The air outlet is used to connect the drying chamber and the grain storage chamber, and a dust removal mechanism is arranged on the grain storage chamber. The utility model makes the outer peripheral wall of the drying bin into a closed structure, and sets a drying chamber on the outer periphery of the grain storage chamber, and the inner peripheral wall of the drying chamber is provided with an air outlet, so that the hot air output by the hot air supply mechanism enters the drying chamber and continuously enters the grain storage chamber through the air outlet, so as to realize the drying treatment of the grain in the grain storage chamber, and the sundries are uniformly treated by the sundrying mechanism. The drying effect of the grain after being dried by the grain dryer provided by the utility model is uniform, and the working environment is free of dust pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 This is a structural schematic diagram of a grain dryer provided by the utility model;

[0023] Figure 2 yes Figure 1 An enlarged view of part A.

[0024] In the figure:

[0025] 1. Drying bin; 2. Circulating auger; 3. Circulating motor; 4. Storage bin; 41. Exhaust port; 5. Conveying fan; 6. Hot air furnace; 7. Dust suction fan; 8. First Shaklong dust collector; 9. Dehumidification channel; 10. Second Shaklong dust collector; 11. Grain storage chamber; 12. Drying chamber; 13. Grain outlet channel; 14. Exhaust chamber; 15. Fixing parts. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0027] The utility model provides a grain dryer, comprising a drying bin, a hot air supply mechanism and a debris removal mechanism. The outer peripheral wall of the drying bin is a closed structure. A drying chamber is arranged in the drying bin. The drying chamber is an annular structure and is arranged on a grain storage chamber of the drying bin. The air inlet end of the drying chamber is connected with the hot air supply mechanism. An air outlet is arranged on the inner peripheral wall of the drying chamber. The air outlet is used to connect the drying chamber and the grain storage chamber. The grain storage chamber is provided with a debris removal mechanism.

[0028] The utility model makes the outer peripheral wall of the drying bin into a closed structure, and sets a drying chamber on the outer periphery of the grain storage chamber, and the inner peripheral wall of the drying chamber is provided with an air outlet, so that the hot air output by the hot air supply mechanism enters the drying chamber and continuously enters the grain storage chamber through the air outlet, so as to realize the drying treatment of the grain in the grain storage chamber, and the sundries are uniformly treated by the sundrying mechanism. The drying effect of the grain after being dried by the grain dryer provided by the utility model is uniform, and the working environment is free of dust pollution.

[0029] As an optional implementation, the drying chamber ring is arranged in the lower middle part or the lower part of the grain storage chamber.

[0030] Furthermore, the drying chamber ring is arranged at the middle and lower part of the grain storage chamber, so as to increase the contact area between the drying chamber and the grain storage chamber and ensure the drying efficiency of the grain in the grain storage chamber.

[0031] The hot air output by the hot air supply mechanism can enter the air inlet end along the tangential direction of the drying chamber, so that circulating hot air rotating along the circumferential direction is formed in the drying chamber. The circulating hot air enters the grain storage chamber from bottom to top continuously and evenly through the air outlet. Driven by the circulating hot air, the grain moves to the bottom of the grain storage chamber to dry the grain.

[0032] As an optional embodiment, it also includes a circulating stirring mechanism, which includes a circulating auger and a circulating motor. The circulating auger is arranged in the middle of the drying bin and penetrates the drying bin up and down. The circulating motor drives the circulating auger to rotate with its central axis as the rotation axis.

[0033] Furthermore, the circulating auger is arranged in the middle of the grain storage cavity and penetrates the grain storage cavity from top to bottom, and the circulating motor drives the circulating auger to rotate with its central axis as the rotation axis. Among them, the circulating stirring mechanism adopts the existing technology, which will not be described in detail here.

[0034] The utility model realizes that the circulating hot air in the drying chamber drives the grain to move to the bottom of the grain storage chamber through the combination of the drying chamber and the circulating auger, and the circulating auger lifts the grain at the bottom of the grain storage chamber to the top of the grain storage chamber to realize the circulating movement of the grain in the grain storage chamber, thereby ensuring full contact between the grain and the hot air, and achieving good grain drying effect and high drying efficiency.

[0035] As an optional implementation, the bottom of the drying chamber is a truncated cone structure.

[0036] Furthermore, the bottom of the grain storage cavity is a frustum-shaped structure, and the grain can gather toward the bottom center of the grain storage cavity, making it convenient for the circulating auger to lift the grain.

[0037] As an optional implementation, a debris storage bin is provided at the bottom of the circulating auger, and a debris discharge port is opened on the debris storage bin, which is used to connect the debris storage bin with the grain storage cavity.

[0038] The grass seeds and other debris in the grain can enter the storage bin through the debris discharge port, so as to prevent the grass seeds and other debris in the grain from accumulating at the bottom of the grain storage cavity.

[0039] As an optional implementation, the hot air supply mechanism includes a hot air stove and a conveying fan, and the air outlet end of the hot air stove is connected to the air inlet end of the drying chamber through the conveying fan.

[0040] Furthermore, the number of air inlet ends of the drying chamber is one, and the air inlet end of the drying chamber is arranged at the middle and lower part or the lower part of the drying chamber. The conveying fan can convey the hot air of the hot air furnace into the drying chamber along the tangential direction of the drying chamber, so that the hot air forms circulating hot air rotating along the circumferential direction in the drying chamber. Among them, the hot air furnace and the conveying fan adopt the existing technology, which will not be described in detail here.

[0041] As an optional implementation, the impurity removal mechanism includes a dust suction fan and a first Shaklong dust collector, the top of the circulating auger is connected to the dust suction fan, and the air outlet end of the dust suction fan is connected to the first Shaklong dust collector.

[0042] As the circulating auger rotates, the debris in the grain and the debris in the storage bin can be lifted to the top of the circulating auger and discharged through the dust suction fan and the first Shaklong dust collector.

[0043] As an optional implementation, a debris removal chamber is provided between the grain storage chamber and the circulating auger, and the outer peripheral wall of the debris removal chamber is a mesh structure.

[0044] Furthermore, the impurity removal chamber is fixedly connected to the inner wall of the drying bin through a fixing member. The outer peripheral wall of the impurity removal chamber is a mesh structure, and the mesh holes can only allow dust and other impurities to pass through, but grains cannot enter. The impurity removal chamber is used to collect dust and other impurities in the grains. The hot air output from the drying chamber blows toward the grains from bottom to top, blowing the dust and other impurities in the grains upward into the impurity removal chamber.

[0045] The upper part of the impurity discharge chamber is a truncated cone structure. The grain transported from the top of the circulating auger falls onto the impurity discharge chamber and can also move downward along the slope of the impurity discharge chamber.

[0046] As an optional implementation, the impurity removal mechanism also includes a dehumidification channel and a second Shaklon dust collector, the feed end of the dehumidification channel is connected to the impurity removal chamber, and the discharge end of the dehumidification channel is connected to the second Shaklon dust collector.

[0047] Furthermore, the dehumidification channel is arranged horizontally. The dehumidification channel and the second Shakron dust collector are prior art and will not be described in detail here.

[0048] The hot air output from the drying chamber blows toward the grain from bottom to top, blowing the dust and other debris in the grain upward into the impurity discharge chamber, and then is sucked away by the second Shaklon dust collector through the moisture discharge channel.

[0049] As an optional implementation, a grain outlet channel is provided at the upper portion of the grain storage cavity.

[0050] Furthermore, the feeding end of the grain discharging channel is higher than the discharging end of the grain discharging channel, which facilitates discharging.

[0051] Embodiment 1:

[0052] like Figure 1-2As shown, the utility model provides a grain dryer, including a drying bin 1, a hot air supply mechanism and a debris removal mechanism. The outer peripheral wall of the drying bin 1 is a closed structure. A drying chamber 12 is arranged in the drying bin 1. The drying chamber 12 is an annular structure and is arranged on a grain storage chamber 11 of the drying bin 1. The air inlet end of the drying chamber 12 is connected with the hot air supply mechanism. An air outlet is arranged on the inner peripheral wall of the drying chamber 12. The air outlet is used to connect the drying chamber 12 and the grain storage chamber 11. The grain storage chamber 11 is provided with a debris removal mechanism.

[0053] The utility model makes the outer peripheral wall of the drying bin 1 a closed structure, and sets a drying chamber 12 on the outer periphery of the grain storage chamber 11, and an air outlet is provided on the inner peripheral wall of the drying chamber 12, so that the hot air output by the hot air supply mechanism enters the drying chamber 12 and continuously enters the grain storage chamber 11 through the air outlet, so as to realize the drying treatment of the grain in the grain storage chamber 11, and the debris in the grain storage chamber 11 is uniformly treated by the debris removal mechanism. The grain dried by the grain dryer provided by the utility model has a uniform drying effect, and the working environment is free of dust pollution.

[0054] As an optional implementation, the drying chamber 12 is arranged in the lower middle part or the lower part of the grain storage chamber 11.

[0055] Furthermore, the drying chamber 12 is arranged in a ring at the middle and lower part of the grain storage chamber 11 to increase the contact area between the drying chamber 12 and the grain storage chamber 11 and ensure the drying efficiency of the grain in the grain storage chamber 11.

[0056] The inner wall of the drying chamber 12 is made of a steel plate with a plurality of air outlets. The hot air output by the hot air supply mechanism can enter the air inlet end along the tangential direction of the drying chamber 12, so that circulating hot air rotating along the circumferential direction is formed in the drying chamber 12. The circulating hot air continuously and evenly enters the grain storage chamber 11 from bottom to top through the air outlet. Driven by the circulating hot air, the grain moves to the bottom of the grain storage chamber 11 to dry the grain.

[0057] As an optional embodiment, it also includes a circulating stirring mechanism, which includes a circulating auger 2 and a circulating motor 3. The circulating auger 2 is arranged in the middle of the drying bin 1 and penetrates the drying bin 1 up and down. The circulating motor 3 drives the circulating auger 2 to rotate with its central axis as the rotation axis.

[0058] Furthermore, the circulating auger 2 is arranged in the middle of the grain storage cavity 11 and penetrates the grain storage cavity 11 vertically, and the circulating motor 3 drives the circulating auger 2 to rotate with its central axis as the rotation axis. Among them, the circulating stirring mechanism adopts the existing technology, which will not be described in detail here.

[0059] The utility model realizes that the circulating hot air in the drying chamber 12 drives the grain to move to the bottom of the grain storage chamber 11 through the combination of the drying chamber 12 and the circulating auger 2, and the circulating auger 2 lifts the grain at the bottom of the grain storage chamber 11 to the top of the grain storage chamber 11 to realize the circulating movement of the grain in the grain storage chamber 11, ensuring full contact between the grain and the hot air, and achieving good grain drying effect and high drying efficiency.

[0060] As an optional implementation, the bottom of the drying chamber 1 is a truncated cone structure.

[0061] Furthermore, the bottom of the grain storage chamber 11 is a truncated cone structure, and the grains can gather toward the bottom center of the grain storage chamber 11, making it convenient for the circulating auger 2 to lift the grains.

[0062] As an optional implementation, a debris storage bin 4 is provided at the bottom of the circulating auger 2 , and a debris discharge port 41 is opened on the debris storage bin 4 , and the debris discharge port 41 is used to connect the debris storage bin 4 with the grain storage cavity 11 .

[0063] The storage bin 4 is used to support the circulating auger 2. The storage bin 4 is provided with a discharge port 41, through which the grass seeds and other debris in the grain can enter the storage bin 4, and then be lifted to the top by the circulating auger 2, and then be sucked out by the dust suction fan 7, so as to prevent the grass seeds and other debris in the grain from accumulating at the bottom of the grain storage cavity 11.

[0064] As an optional implementation, the hot air supply mechanism includes a hot air furnace 6 and a conveying fan 5 , and the air outlet end of the hot air furnace 6 is connected to the air inlet end of the drying chamber 12 through the conveying fan 5 .

[0065] Furthermore, the number of air inlet ends of the drying chamber 12 is one, and the air inlet end of the drying chamber 12 is arranged at the middle and lower part or the lower part of the drying chamber 12. The conveying fan 5 can convey the hot air of the hot air furnace 6 into the drying chamber 12 along the tangential direction of the drying chamber 12, so that the hot air forms circulating hot air rotating along the circumferential direction in the drying chamber 12. Among them, the hot air furnace 6 and the conveying fan 5 adopt the existing technology, and no further details are given here.

[0066] As an optional implementation, the impurity removal mechanism includes a dust suction fan 7 and a first shaker dust collector 8. The top of the circulating auger 2 is connected to the dust suction fan 7, and the air outlet end of the dust suction fan 7 is connected to the first shaker dust collector 8.

[0067] As the circulating auger 2 rotates, the debris in the grain and the debris in the storage bin 4 can be lifted to the top of the circulating auger 2 and discharged through the dust suction fan 7 and the first shaker dust collector 8.

[0068] As an optional implementation, a debris removal chamber 14 is provided between the grain storage chamber 11 and the circulating auger 2, and the outer peripheral wall of the debris removal chamber 14 is a mesh structure.

[0069] Furthermore, the impurity removal chamber 14 is fixedly connected to the inner wall of the drying chamber 1 through a fixing member 15. The outer peripheral wall of the impurity removal chamber 14 is a mesh structure, and the mesh can only allow dust and other impurities to pass through, and grains cannot enter. The impurity removal chamber 14 is used to collect dust and other impurities in the grains. The hot air output from the drying chamber 12 blows toward the grains from bottom to top, blowing the dust and other impurities in the grains upward into the impurity removal chamber 14.

[0070] The upper part of the impurity discharge chamber 14 is a truncated cone structure, and the grain transported from the top of the circulating auger 2 falls onto the impurity discharge chamber 14 , and can also move downward along the slope of the impurity discharge chamber 14 .

[0071] As an optional implementation, the impurity removal mechanism also includes a dehumidification channel 9 and a second Shaklon dust collector 10 , the feed end of the dehumidification channel 9 is connected to the impurity removal chamber 14 , and the discharge end of the dehumidification channel 9 is connected to the second Shaklon dust collector 10 .

[0072] Furthermore, the dehumidification channel 9 is arranged horizontally. The dehumidification channel 9 and the second Shakron dust collector 10 are prior art and will not be described in detail here.

[0073] The hot air output from the drying chamber 12 blows toward the grain from bottom to top, blowing the dust and other debris in the grain upward into the impurity removal chamber 14, and then the dust and other debris in the grain as well as moisture are sucked away by the second Shakron dust collector 10 through the moisture removal channel 9.

[0074] As an optional implementation, a grain outlet channel 13 is provided at the upper portion of the grain storage cavity 11 .

[0075] Furthermore, the feeding end of the grain discharging channel 13 is higher than the discharging end of the grain discharging channel 13 , which facilitates discharging.

[0076] It can be understood that the same or similar parts of the above embodiments can be referenced to each other, and the contents not described in detail in some embodiments can refer to the same or similar contents in other embodiments.

[0077] In the description of the present utility model, it should be noted that, unless otherwise specified, "multiple" means two or more; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model 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 therefore cannot be understood as limiting the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0078] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" 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 a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0079] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "an example" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0080] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A grain dryer, characterized in that: It includes a drying bin, a hot air supply mechanism and a debris removal mechanism. The outer peripheral wall of the drying bin is a closed structure. A drying chamber is arranged in the drying bin. The drying chamber is arranged on the grain storage chamber of the drying bin. The air inlet end of the drying chamber is connected with the hot air supply mechanism. An air outlet is arranged on the inner peripheral wall of the drying chamber. The air outlet is used to connect the drying chamber and the grain storage chamber. The grain storage chamber is provided with a debris removal mechanism.

2. A grain dryer according to claim 1, characterized in that: The bottom of the drying bin is a truncated cone structure.

3. A grain dryer according to claim 2, characterized in that: The drying chamber is an annular structure and is arranged in the middle and lower part or the lower part of the grain storage chamber.

4. A grain dryer according to claim 3, characterized in that: It also includes a circulating stirring mechanism, which includes a circulating auger and a circulating motor. The circulating auger is arranged in the middle of the drying bin and penetrates the drying bin from top to bottom. The circulating motor drives the circulating auger to rotate with its central axis as the rotating axis.

5. A grain dryer according to claim 4, characterized in that: A debris storage bin is provided at the bottom of the circulating auger, and a debris discharge port is provided on the debris storage bin, and the debris discharge port is used to connect the debris storage bin with the grain storage cavity.

6. A grain dryer according to claim 1, characterized in that: The hot air supply mechanism comprises a hot air stove and a conveying fan, and the air outlet end of the hot air stove is connected to the air inlet end of the drying chamber through the conveying fan.

7. A grain dryer according to claim 4, characterized in that: The impurity removal mechanism includes a dust suction fan and a first Shaklong dust collector. The top of the circulating auger is connected to the dust suction fan, and the air outlet end of the dust suction fan is connected to the first Shaklong dust collector.

8. A grain dryer according to claim 4, characterized in that: A debris removal cavity is arranged between the grain storage cavity and the circulating auger, and the outer peripheral wall of the debris removal cavity is a mesh structure.

9. A grain dryer according to claim 8, characterized in that: The impurity removal mechanism also includes a moisture removal channel and a second Shaklon dust collector. The feed end of the moisture removal channel is communicated with the impurity removal chamber, and the discharge end of the moisture removal channel is connected to the second Shaklon dust collector.

10. A grain dryer according to claim 1, characterized in that: A grain outlet passage is arranged on the upper part of the grain storage cavity.

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