Drying device for grain warehouse

Abstract

The utility model discloses a drying device for a grain warehouse, which comprises a unit, a hot air blower and a return air blower are arranged in the unit, a valve seat is connected onto the unit, the valve seat is respectively connected with an air pipe and a valve seat and is connected with the hot air blower in the unit, the outlet end of the air pipe is connected with a plurality of hot air main pipes, and the unit is connected with a return air valve seat. The air return valve seat is connected with an air return main pipe, the air return valve seat is connected with an air return fan in the unit, a hot air auxiliary pipe is connected to one of the hot air main pipes in an intercommunication mode, and a plurality of hot air sub pipes are installed on the outer wall of the hot air auxiliary pipe at equal intervals from top to bottom and are intercommunicated. The granary drying device can conduct layered multi-point synchronous drying treatment on the interior of a granary, does not occupy space, is convenient to install integrally, and can conduct air return treatment while conducting drying.

Description

Technical Field

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

[0002] Grain warehouses are generally used for grain storage in grain processing plants. When storing grain in the grain warehouse, in order to prevent the grain inside from getting damp and moldy, the interior needs to be dried regularly. Currently, the drying is done by hot air drying from the bottom of the grain warehouse. However, there is a lot of grain stored inside, and the hot air flows slowly in the grain, resulting in low drying efficiency. The grain at the top cannot be dried to the maximum extent.

[0003] Therefore, in order to correct the above-mentioned defects, we proposed a drying device for grain warehouse. Utility Model Content

[0004] The utility model solves the technical problem of providing a drying device for a grain warehouse.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drying device for a grain warehouse, comprising a unit, a hot air blower and a return air blower in the unit, a valve seat connected to the unit, the valve seats are respectively connected to air ducts, the valve seats are connected to the hot air blower in the unit, a plurality of hot air main pipes are connected to the outlet end of the air duct, the return air valve seat is connected to the unit, the return air valve seat is connected to the return air main pipe, the return air valve seat is connected to the return air blower in the unit, one of the plurality of hot air main pipes is interconnected with a hot air auxiliary pipe, a plurality of hot air sub-pipes are equidistantly installed on the outer wall of the hot air auxiliary pipe from top to bottom and are interconnected, a flange is connected to the end of the hot air sub-pipe, an air outlet is opened at the upper end of the hot air sub-pipe, two layers of metal filter screens and filter cotton between the two layers of metal filter screens are arranged in the air outlet.

[0006] Furthermore, the inner middle part of the hot-air sub-duct is provided with a horizontal partition, which divides the inner cavity of the hot-air sub-duct into two parts, the upper part is the hot-air cavity, and the lower part is the return-air cavity. The return-air cavity has a sealing plate at one end close to the hot-air auxiliary pipe, and a connecting valve is provided on the sealing plate. An air outlet is also provided at the lower end of the hot-air sub-duct, and two layers of metal filter screens and filter cotton between the two layers of metal filter screens are also provided in the air outlet. The return-air main pipe runs through the air duct, and the hot-air main pipe is provided with a return-air auxiliary pipe. One end of the return-air auxiliary pipe extends into the air duct and is connected with the end of the return-air main pipe running through the air duct. The hot-air auxiliary pipe is provided with a return-air branch pipe, and one end of the return-air branch pipe is connected to the return-air auxiliary pipe. The outer wall of the return-air branch pipe is equidistantly installed with the same number of return-air sub-pipes as the hot-air sub-pipes from top to bottom, and the return-air sub-pipes correspond to the hot-air sub-pipes one-to-one, and one end of the return-air sub-pipe is connected to the connecting valve on the sealing plate.

[0007] Furthermore, the upper and lower concave tubes of the hot air main pipe are butt-jointed, and the two concave tubes are fixed with screws.

[0008] Furthermore, the hot air auxiliary pipe is formed by splicing a plurality of sections, and each section is connected by flanges.

[0009] Furthermore, each section of the hot air auxiliary pipe is formed by butting two semicircular pipes together, and the two semicircular pipes are fixed by screws.

[0010] Furthermore, the upper and lower ends of the hot air sub-tube are both in a constricted shape.

[0011] Furthermore, a trapezoidal air outlet is provided at the upper end of the hot air main pipe, and two layers of metal filter screens and filter cotton between the two layers of metal filter screens are also provided in the trapezoidal air outlet.

[0012] Compared with the prior art, the beneficial effects of the utility model are: the device can carry out layered multi-point drying treatment in the granary simultaneously, does not occupy space, is easy to install as a whole, and can perform return air treatment while drying. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the cutaway structure of the hot air main pipe and the hot air auxiliary pipe in the utility model;

[0015] Figure 3 This is a schematic diagram of the hot air main structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the hot air auxiliary pipe structure of the utility model;

[0017] Figure 5 This is a schematic diagram of the structure of the hot air sub-tube in the utility model;

[0018] Figure 6 This is a schematic diagram of the three-dimensional structure of the hot air main pipe in the utility model;

[0019] Figure 7 It is a schematic diagram of the top view of the stroke tube of the utility model.

[0020] Numbers in the figure:

[0021] 1. Unit; 2. Valve seat; 3. Air duct; 4. Hot air main pipe; 41. Concave pipe; 42. Trapezoidal air outlet; 5. Hot air auxiliary pipe; 51. Semicircular pipe; 6. Hot air sub-pipe; 61. Air outlet; 62. Partition; 7. Metal filter; 8. Filter cotton; 9. Return air valve seat; 10. Return air main pipe; 11. Return air auxiliary pipe; 12. Return air branch pipe; 13. Return air sub-pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides a technical solution:

[0024] See also Figure 1-7 A drying device for a grain warehouse, comprising a unit 1, wherein the unit 1 has a hot air blower and a return air blower, a valve seat 2 connected to the unit 1, the valve seat 2 is respectively connected to an air duct 3, the valve seat 2 is connected to the hot air blower in the unit 1, and a plurality of hot air main pipes 4 are connected to the outlet end of the air duct 3, the unit 1 is connected to a return air valve seat 9, the return air valve seat 9 is connected to a return air main pipe 10, the return air valve seat 9 is connected to the return air blower in the unit 1, a middle one of the plurality of hot air main pipes 4 is interconnected with a hot air auxiliary pipe 5, a plurality of hot air sub-pipes 6 are equidistantly installed on the outer wall of the hot air auxiliary pipe 5 from top to bottom and are interconnected, a flange is connected to the end of the hot air sub-pipe 6, an air outlet 61 is opened at the upper end of the hot air sub-pipe 6, two layers of metal filter screens 7 and filter cotton 8 between the two layers of metal filter screens 7 are arranged in the air outlet 61, a transverse partition 62 is provided in the inner middle part of the hot air sub-pipe 6, and the partition 62 separates the hot air sub-pipe The inner cavity of 6 is divided into two parts, the upper part is the hot air cavity, and the lower part is the return air cavity. The return air cavity is provided with a sealing plate at one end close to the hot air auxiliary pipe 5, and a connecting valve is provided on the sealing plate. An air outlet 61 is also provided at the lower end of the hot air sub-pipe 6. Two layers of metal filter screens 7 and filter cotton 8 between the two layers of metal filter screens 7 are also provided in the air outlet 61. The return air main pipe 10 penetrates into the air duct 3. The hot air main pipe 4 is provided with a return air auxiliary pipe 11. One end of the return air auxiliary pipe 11 extends into the air duct 3 and is connected with one end of the return air main pipe 10 penetrating into the air duct 3. The hot air auxiliary pipe 5 is provided with a return air branch pipe 12. One end of the return air branch pipe 12 is connected to the return air auxiliary pipe 11. The outer wall of the return air branch pipe 12 is equidistantly installed with the same number of return air sub-pipes 13 as the hot air sub-pipe 6 from top to bottom and communicate with each other. The return air sub-pipes 13 correspond to the hot air sub-pipes 6 one by one, and one end of the return air sub-pipes 13 is connected to the connecting valve on the sealing plate.

[0025] The hot air blower introduces the hot air from the valve seat 2 into the air duct 3, and the air duct 3 distributes the hot air into the hot air main pipe 4 respectively. The hot air is discharged from the trapezoidal air outlet 42 of the hot air main pipe 4 to dry the external grain. The metal filter 7 and the filter cotton 8 in the trapezoidal air outlet 42 prevent the grain from entering the trapezoidal air outlet 42. The hot air in the middle hot air main pipe 4 enters the hot air auxiliary pipe 5, and then enters each hot air sub-pipe 6, and is discharged from each air outlet 61 at the upper end of the hot air sub-pipe 6. While the hot air is drying, the return air containing moisture enters the return air cavity of the hot air sub-pipe 6 from each air outlet 61 at the lower end of the hot air sub-pipe 6, and then enters the hot air auxiliary pipe 5, and then is discharged through the return air branch pipe 12, the return air auxiliary pipe 11, the return air main pipe 10 and the return air blower in sequence.

[0026] In order to facilitate the installation of the entire device, the entire structure is spliced ​​in sections. Specifically, the upper and lower concave tubes 41 of the hot air main pipe 4 are butt-jointed, and the two concave tubes 41 are fixed by screws. The hot air auxiliary pipe 5 is spliced ​​by several sections, and each section is connected by flanges. Each section of the hot air auxiliary pipe 5 is butt-jointed by two semicircular tubes 51, and the two semicircular tubes 51 are fixed by screws. The upper and lower ends of the hot air sub-tube 6 are both in a constricted shape to reduce contact with grains and prevent obstruction when grains flow in the warehouse.

[0027] In addition, the hot air main pipe 4, the hot air auxiliary pipe 5 and the hot air sub-pipe 6 are all installed in the granary. In order to ensure stability, flanges are provided on the hot air main pipe 4 and the hot air sub-pipe 6, and are fixed to the inner wall of the granary through the flanges.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drying device for a grain warehouse, comprising a unit (1), wherein the unit (1) has a hot air blower and a return air blower, the unit (1) is connected to a valve seat (2), the valve seat (2) is respectively connected to air ducts (3), the valve seat (2) is connected to the hot air blower in the unit (1), the outlet end of the air duct (3) is connected to a plurality of hot air main pipes (4), the unit (1) is connected to a return air valve seat (9), the return air valve seat (9) is connected to a return air main pipe (10), the return air valve seat (9) is connected to the return air blower in the unit (1), and the characteristic is that: A hot air auxiliary pipe (5) is interconnected to one of the plurality of hot air main pipes (4); a plurality of hot air sub-pipes (6) are equidistantly installed on the outer wall of the hot air sub-pipe (5) from top to bottom and are interconnected; a flange is connected to the end of the hot air sub-pipe (6); an air outlet (61) is provided at the upper end of the hot air sub-pipe (6); two layers of metal filter screens (7) and filter cotton (8) between the two layers of metal filter screens (7) are provided in the air outlet (61).

2. The drying device for grain warehouse according to claim 1, characterized in that: The hot air sub-tube (6) has a transverse partition (62) in the middle of the inner part, and the partition (62) divides the inner cavity of the hot air sub-tube (6) into two parts, the upper part is a hot air cavity, and the lower part is a return air cavity. The return air cavity is provided with a sealing plate at one end close to the hot air auxiliary tube (5), and a connecting valve is provided on the sealing plate. The lower end of the hot air sub-tube (6) is also provided with an air outlet (61), and the air outlet (61) is also provided with two layers of metal filter screens (7) and filter cotton (8) between the two layers of metal filter screens (7). The return air main pipe (10) penetrates into the air duct (3); the hot air main pipe (4) is provided with a return air sub-pipe (11); one end of the return air sub-pipe (11) extends into the air duct (3) and is connected to one end of the return air main pipe (10) that penetrates into the air duct (3); the hot air sub-pipe (5) is provided with a return air branch pipe (12); one end of the return air branch pipe (12) is connected to the return air sub-pipe (11); the outer wall of the return air branch pipe (12) is equidistantly installed with the same number of return air sub-pipes (13) as the hot air sub-pipes (6) from top to bottom and are interconnected; the return air sub-pipes (13) correspond to the hot air sub-pipes (6) one by one, and one end of the return air sub-pipe (13) is connected to the connecting valve on the sealing plate.

3. The drying device for grain warehouse according to claim 1, characterized in that: The upper and lower concave tubes (41) of the hot air main pipe (4) are butt-jointed, and the two concave tubes (41) are fixed by screws.

4. The drying device for grain warehouse according to any one of claims 1-2, characterized in that: The hot air auxiliary pipe (5) is formed by splicing a plurality of sections, and each section is connected by a flange.

5. The drying device for grain warehouse according to claim 3, characterized in that: Each section of the hot air auxiliary pipe (5) is formed by butting two semicircular pipes (51), and the two semicircular pipes (51) are fixed by screws.

6. The drying device for grain warehouse according to any one of claims 1-2, characterized in that: The upper and lower ends of the hot air sub-tube (6) are both in a constricted shape.

7. The drying device for grain warehouse according to claim 1, characterized in that: The upper end of the hot air main pipe (4) is provided with a trapezoidal air outlet (42), and two layers of metal filter screens (7) and filter cotton (8) located between the two layers of metal filter screens (7) are also provided in the trapezoidal air outlet (42).

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