Drying device for glutinous rice flour production

Abstract

The utility model relates to the technical field of glutinous rice flour production, in particular to a drying device for glutinous rice flour production, and aims to solve the technical problems that waste is caused and the health of workers is affected when water vapor is taken away by direct hot air radiation and raised dust is generated. Comprising a material injection pipe, a drying cylinder, a spiral blade, an air chamber, a material injection support, a hot air pipe, a gear, a dust hopper, a dust pipe, a dust collecting pipe, an air extracting pump, a cyclone dust collector and a dust collector support, hot air is injected into the drying cylinder through the lower portion, glutinous rice flour in the drying cylinder is fluidized and vibrated, and the drying cylinder and the spiral blade are matched to drive the glutinous rice flour to rotate and convey; and generated raised dust is sucked into the cyclone dust collector through the upper sucking pump, the dried glutinous rice flour enters the tail end of the drying cylinder to be cooled and then is discharged, so that the raised dust is solved, and the drying efficiency is improved.

Description

A drying device for glutinous rice flour production Technical Field

[0001] This utility model relates to the field of glutinous rice flour production technology, specifically to a drying device for glutinous rice flour production. Background Technology

[0002] Glutinous rice flour is made from glutinous rice through processes such as washing, soaking, grinding, dehydration, drying, and pulverizing. Among these processes, drying is a crucial step that affects the quality of glutinous rice flour, directly impacting the product's shelf life, processing suitability, and production costs.

[0003] Existing technology uses hot air to flow over the surface or interior of the material, transferring heat to the moisture in the material and causing it to evaporate into water vapor. The moisture inside the material migrates to the surface through capillary action, and the water vapor is carried by the hot air and discharged from the equipment through the dehumidification system, thereby reducing the moisture content of the material. However, during the drying process, the direct hot air not only carries away the water vapor but also generates dust, resulting in waste and affecting the health of the workers. Summary of the Invention

[0004] This invention addresses the technical problem that direct hot air blowing removes water vapor while generating dust, resulting in waste and affecting the health of workers. It provides a drying device for glutinous rice flour production.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a drying device for glutinous rice flour production, comprising: a feeding pipe rotatably connected to a horizontally arranged drying cylinder, a spiral blade connected inside the drying cylinder, air holes evenly distributed around the circumference of the cylinder wall at the head and middle, the drying cylinder with air holes rotatably connected to an air chamber, the air chamber contacting the upper half of the drying cylinder and blocking the air holes, the feeding pipe connected to the air chamber through a feeding bracket, the lower half of the air chamber connected to a hot air pipe, the drying cylinder being connected to the output gear of a power source through a gear, the upper part of the air chamber being connected to a dust hopper, the dust hopper being connected to a dust collection pipe through a dust pipe, a suction pump being provided in the middle of the dust collection pipe, and the end of the dust collection pipe being tangentially connected to a cyclone dust collector, the cyclone dust collector being fixed by a dust collector bracket.

[0006] Preferably, the head and middle of the drying cylinder are rotatably connected to multiple air chambers, and the hot air temperature in each air chamber is different.

[0007] Preferably, a fixed pipe is connected to the middle of the spiral blade, and a conveying shaft is concentrically connected to the fixed pipe. An auxiliary spiral blade is connected to the conveying shaft inside the horizontal part of the injection pipe.

[0008] Preferably, the middle part of the injection pipe is connected to the circumferential surface of the cylinder, and the side wall of the cylinder is rotatably connected to the end of the feeding fan blade. The feeding fan blade is located in the cylinder, the edge of the feeding fan blade is in contact with the inner circumferential wall of the cylinder, and the two sides of the feeding fan blade are in contact with the two inner side walls of the cylinder.

[0009] Compared with the prior art, the beneficial effects of this utility model are:

[0010] Hot air is injected into the drying cylinder from the bottom, causing the glutinous rice flour inside the drying cylinder to fluidize and vibrate. The drying cylinder and the spiral blades work together to drive the glutinous rice flour to rotate and transport, which improves the flow of the powder between the upper and lower layers and thus improves the drying effect. The dust generated is sucked into the cyclone dust collector by the upper air pump. After the glutinous rice flour is dried, it enters the end of the drying cylinder to cool down and then is discharged. This solves the dust problem and improves the drying efficiency.

[0011] The auxiliary spiral blades effectively prevent the glutinous rice powder from clogging the injection pipe, and the feeding fan blades effectively prevent hot air backflow. Attached Figure Description

[0012] Figure 1 is a schematic diagram of the structure of this utility model;

[0013] Figure 2 is a schematic cross-sectional view of the structure of this utility model.

[0014] In the diagram: 1. Injection pipe; 2. Drying cylinder; 3. Spiral blade; 4. Air chamber; 5. Injection support; 6. Hot air pipe; 7. Gear; 8. Dust hopper; 9. Dust pipe; 10. Dust collection pipe; 11. Air pump; 12. Cyclone dust collector; 13. Dust collector support; 14. Fixed pipe; 15. Conveying shaft; 16. Auxiliary spiral blade; 17. Cylinder; 18. Feeding fan blade. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] The rotary connection described in this device refers to the axial fixation of the bearing by mounting the bearing on the shaft, with a spring retaining ring groove provided on the shaft or shaft hole, and the rotation achieved by locking the elastic retaining ring in the retaining ring groove; the hinge connection refers to the connection method that allows movement through connecting parts such as hinges, pins, and short shafts.

[0017] The present invention will now be described in detail with reference to the accompanying drawings.

[0018] The following description, in conjunction with Figures 1-2, describes a drying device for glutinous rice flour production, comprising: a feeding pipe 1, which is rotatably connected to a horizontally arranged drying cylinder 2; a spiral blade 3 connected inside the drying cylinder 2; air holes evenly distributed around the circumference of the cylinder wall at the head and middle of the drying cylinder 2; the drying cylinder 2 with the air holes rotatably connected to an air chamber 4; the air chamber 4 contacts the upper half of the drying cylinder 2 and blocks the air holes; the feeding pipe 1 is connected to the air chamber 4 via a feeding bracket 5; the lower half of the air chamber 4 is connected to a hot air pipe 6; the drying cylinder 2 is meshed with a power output gear via a gear 7; the upper part of the air chamber 4 is connected to a dust hopper 8; the dust hopper 8 is connected to a dust collection pipe 10 via a dust pipe 9; a suction pump 11 is provided in the middle of the dust collection pipe 10; the end of the dust collection pipe 10 is tangentially connected to a cyclone dust collector 12; and the cyclone dust collector 12 is fixed by a dust collector bracket 13.

[0019] During use, hot air is injected into the air chamber 4 through the lower hot air pipe 6. The hot air directly hits the side wall of the air chamber 4 and then directly hits the air hole of the drying cylinder 2. The air hole at the top of the drying cylinder 2 is blocked by the air chamber 4. The hot air is injected through the lower part of the drying cylinder 2, causing the glutinous rice flour inside the drying cylinder 2 to fluidize and vibrate. The power is driven by the gear 7 to rotate the drying cylinder 2. The drying cylinder 2 and the spiral blade 3 work together to drive the glutinous rice flour to rotate and transport, making the flow of the powder between the upper and lower layers better, thus improving the drying effect. The air pump 11 extracts the dust inside the drying cylinder 2 through the dust collection pipe 10, dust pipe 9, and dust hopper 8 and injects it into the cyclone dust collector 12. After the glutinous rice flour is dried, it enters the end of the drying cylinder 2 to cool down and then is discharged. This solves the problem of dust and improves the drying efficiency.

[0020] The head and middle of the drying cylinder 2 are rotatably connected to multiple air chambers 4, and the hot air temperature in each air chamber 4 is different.

[0021] Initially, medium- and high-temperature hot air is used to quickly evaporate surface moisture by taking advantage of the large temperature difference and humidity gradient between the hot air and the material. Later, the process is switched to low-temperature hot air to avoid local overheating or scorching of the material due to the slowdown in the migration rate of internal moisture after the surface moisture has evaporated.

[0022] A fixed pipe 14 is connected to the middle of the spiral blade 3, and a conveying shaft 15 is concentrically connected to the fixed pipe 14. An auxiliary spiral blade 16 is connected to the conveying shaft 15 inside the horizontal part of the injection pipe 1.

[0023] The spiral blade 3 drives the conveying shaft 15 and the auxiliary spiral blade 16 to rotate through the fixed pipe 14, which effectively prevents the glutinous rice powder in the injection pipe 1 from clogging.

[0024] The middle part of the injection pipe 1 is connected to the circumferential surface of the cylinder 17. The side wall of the cylinder 17 is rotatably connected to the shaft end of the feeding fan blade 18. The feeding fan blade 18 is located in the cylinder 17. The edge of the feeding fan blade 18 is in contact with the inner circumferential wall of the cylinder 17, and the two sides of the feeding fan blade 18 are in contact with the two inner side walls of the cylinder 17.

[0025] The feeding fan blade 18 and the cylinder 17 work together to isolate the upper and lower parts of the feeding pipe 1. When the feeding fan blade 18 rotates, it transports the glutinous rice flour to the lower part, and the hot air at the lower part cannot flow back through the feeding fan blade 18.

[0026] In the description of this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0027] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

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

Claims

1. A drying device for glutinous rice flour production, comprising: The injection pipe (1) is rotatably connected to the horizontally arranged drying cylinder (2). A spiral blade (3) is connected inside the drying cylinder (2). The drying cylinder (2) has air holes evenly distributed around its circumference at the head and middle sections. The drying cylinder (2) with the air holes is rotatably connected to the air chamber (4). The air chamber (4) contacts the upper part of the drying cylinder (2) and blocks the air holes. The injection pipe (1) is connected to the air chamber (4) via an injection support (5). 4) The lower half is connected to the hot air pipe (6). The drying cylinder (2) is connected to the output gear of the power through the gear (7). The upper part of the air chamber (4) is connected to the dust hopper (8). The dust hopper (8) is connected to the dust collection pipe (10) through the dust pipe (9). The middle part of the dust collection pipe (10) is equipped with an air pump (11). The end of the dust collection pipe (10) is tangentially connected to the cyclone dust collector (12). The cyclone dust collector (12) is fixed by the dust collector bracket (13).

2. The drying device for glutinous rice flour production according to claim 1, characterized in that: The head and middle of the drying cylinder (2) are rotatably connected to multiple air chambers (4), and the hot air temperature of each air chamber (4) is different.

3. The drying device for glutinous rice flour production according to claim 1, characterized in that: The spiral blade (3) is connected to a fixed tube (14) in the middle, and a conveying shaft (15) is concentrically connected to the fixed tube (14). An auxiliary spiral blade (16) is connected to the conveying shaft (15) inside the horizontal part of the injection pipe (1).

4. The drying device for glutinous rice flour production according to claim 1, characterized in that: The middle part of the injection pipe (1) is connected to the circumferential surface of the cylinder (17). The side wall of the cylinder (17) is rotatably connected to the shaft end of the feeding fan blade (18). The feeding fan blade (18) is located in the cylinder (17). The edge of the feeding fan blade (18) is in contact with the inner circumferential wall of the cylinder (17). The two sides of the feeding fan blade (18) are in contact with the inner side walls of the cylinder (17).

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