Hot air circulation component for konjac powder drying

Abstract

This utility model relates to the field of konjac flour drying technology, specifically a hot air circulation assembly for drying konjac flour. It includes a base plate, with a drying cylinder fixed to the base plate. A hot air circulation structure for drying the material inside the drying cylinder is located on the top surface of the base plate. The hot air circulation structure includes a hot air generator installed on the top surface of the base plate, an outlet pipe tightly fitted to the inlet end of the hot air generator for collecting hot air from inside the drying cylinder, and an inlet pipe tightly fitted to the outlet end of the hot air generator for blowing hot air into the drying cylinder. It also includes a stirring mechanism located inside the drying cylinder. This utility model solves the problems of heat energy waste and uneven drying by setting up a hot air circulation structure; it solves the problem of material accumulation and insufficient contact with hot air by setting up a stirring mechanism; and it solves the problem of pipe blockage affecting hot air circulation by setting up an upper filter plate, a lower filter plate, and a variable frequency ventilation fan.

Description

Technical Field

[0001] This utility model relates to the field of konjac powder drying technology, specifically a hot air circulation component for drying konjac powder. Background Technology

[0002] In the industrial production of konjac flour, the drying process plays a decisive role in product quality and production efficiency. Drying equipment is required during the drying process, and hot air circulation structures are often installed in the drying equipment.

[0003] Patent CN222783864U discloses a hot air circulation drying device, including a drying box; a circulating drying mechanism installed at the rear of the drying box for hot air circulation and conveying, with an outer door movably connected to one side of the drying box; a drive motor fixedly installed above the drying box, with a reducer at the output end of the drive motor, a transmission rod fixedly connected to the lower output end of the reducer, a fixed frame movably connected to the outside of the transmission rod, and placement frames fixedly installed on the outside of the transmission rod; and a rotating mechanism installed outside the transmission rod for rotating and drying mechanical parts.

[0004] Although the device, through the setting of the drying chamber and the circulating drying mechanism, can recycle the waste heat inside the drying chamber, thereby improving energy efficiency and reducing energy consumption, it lacks an effective material stirring structure and cannot dynamically disperse the accumulated material. The hot air can only act on the surface of the material, resulting in poor drying effect on the deeper layers. At the same time, these devices do not have filter screens or other interception components. During the hot air circulation process, konjac powder particles are easily carried into the hot air circulation pipes by the airflow, causing pipe blockage. This not only reduces the stability of equipment operation but also increases maintenance costs and downtime, making it difficult to meet the production requirements of efficient and stable konjac powder drying. In view of this, we propose a hot air circulation component for konjac powder drying. Utility Model Content

[0005] The purpose of this invention is to provide a hot air circulation component for drying konjac flour. By setting up a hot air circulation structure, the problems of heat energy waste and uneven drying are solved; by setting up a stirring mechanism, the problems of material accumulation and insufficient contact with hot air are solved; and by setting up an upper filter plate, a lower filter plate, and a variable frequency ventilation fan, the problem of pipe blockage affecting hot air circulation is solved.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A hot air circulation assembly for drying konjac flour includes a base plate, a drying cylinder fixed to the base plate, and a hot air circulation structure for drying the material inside the drying cylinder on the top surface of the base plate. The hot air circulation structure includes a hot air generator installed on the top surface of the base plate, an outlet pipe tightly fitted to the inlet end of the hot air generator for collecting hot air from inside the drying cylinder, and an inlet pipe tightly fitted to the outlet end of the hot air generator for blowing hot air into the drying cylinder. It also includes:

[0008] A stirring mechanism is installed inside the drying cylinder to stir the material inside the drying cylinder. The stirring mechanism includes a stirring roller rotatably connected to the drying cylinder, several stirring rods fixed on the outer wall of the stirring roller, two brush plates fixed on the outer wall of the stirring roller for cleaning the bottom wall of the drying cylinder, and a motor installed on the top surface of the drying cylinder for driving the stirring roller to rotate. Several spiral blades for lifting the material inside the drying cylinder are installed on the outer wall of the stirring roller.

[0009] In a preferred embodiment, the thickness of the base plate is 3-7cm, and the bottom surface of the base plate is provided with anti-slip texture.

[0010] In a preferred embodiment, a plurality of support legs are fixed between the drying cylinder and the base plate, and the plurality of support legs are arranged in a ring with equal spacing.

[0011] In a preferred embodiment, a feed funnel communicating with its inner cavity is fixed on the top surface of the drying cylinder, and a discharge pipe communicating with its inner cavity is fixed at the bottom end of the drying cylinder. A feed solenoid valve is installed on the outer wall of both the discharge pipe and the feed funnel, and a sealing ring is provided at the contact points between the drying cylinder and the discharge pipe and the feed funnel.

[0012] These three settings enhance the stability of the component during operation, reduce the risk of displacement, make the drying cylinder structure stable and the stress uniform, and make the material entry and exit controllable and well-sealed to avoid leakage.

[0013] In a preferred embodiment, one end of the air outlet pipe is tightly connected to the air inlet of the hot gas generator, and the other end of the air outlet pipe penetrates the top surface of the drying cylinder and extends into the drying cylinder near the top. A fixed cylinder is fixed on the bottom surface of the other end of the air outlet pipe, which is connected to the inner cavity of the cylinder and located inside the drying cylinder. An upper filter plate is installed on the bottom surface of the fixed cylinder, and a variable frequency ventilation fan is installed on the inner wall of the fixed cylinder. One end of the air inlet pipe is tightly connected to the air outlet of the hot gas generator, and the other end of the air inlet pipe penetrates the side wall of the drying cylinder and extends into the drying cylinder near the bottom. A lower filter plate is installed on the right side surface of the other end of the air inlet pipe, and a solenoid valve for ventilation is installed on the outer walls of both the air outlet pipe and the air inlet pipe.

[0014] In a preferred embodiment, the parts of the air outlet pipe that contact the air inlet end of the hot gas generator, the drying cylinder, and the fixed cylinder are all provided with sealing rings, and the parts of the air inlet pipe that contact the air outlet end of the hot gas generator and the drying cylinder are all provided with sealing rings.

[0015] These two features make hot air circulation efficient and prevent clogging, extending the equipment's lifespan.

[0016] In a preferred embodiment, the tumbling roller penetrates the top surface of the drying cylinder and extends into the interior of the drying cylinder near the bottom. Several tumbling rods and several spiral blades are located inside the drying cylinder. The output shaft of the motor is coaxially connected to the tumbling roller. Several tumbling rods are fixed on the outer circumference of the tumbling roller in a linear and equidistant arrangement in groups of two. Several spiral blades are installed on the outer circumference of the tumbling roller in a linear and equidistant arrangement in groups of three.

[0017] In a preferred embodiment, two symmetrical connecting rods are fixed to the outer circumference of the stirring roller near the bottom end, the brush plate is fixed to the bottom surface of the connecting rod on the same side, and the side surface of the brush plate near the bottom surface of the drying cylinder is in close contact with the bottom surface of the drying cylinder.

[0018] These two settings ensure that the material is evenly mixed, avoids accumulation, improves the drying effect, makes the power transmission direct, ensures no dead corners in the mixing, thoroughly cleans the material at the bottom of the drum, prevents scorching, improves the overall sealing, and reduces heat loss and dust emission.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. This utility model achieves efficient hot air circulation heating of konjac flour by combining a drying cylinder with a hot air circulation structure. The hot air generated by the hot air generator enters the bottom of the drying cylinder through the air inlet pipe, and after fully contacting the material, it carries the moisture back to the hot air generator through the air outlet pipe, forming a closed-loop circulation system. The upper and lower filter plates effectively prevent konjac flour from entering the pipes and avoid blockage. The variable frequency ventilation fan can adjust the wind speed according to the drying requirements, which can not only clean the material attached to the surface of the upper filter plate, but also optimize the hot air circulation efficiency. This design achieves the effects of full utilization of heat energy, uniform drying, and reduced equipment maintenance costs, significantly improving the production efficiency and product quality of konjac flour drying.

[0021] 2. This utility model achieves comprehensive dynamic processing of materials inside the drying drum through the setting of a stirring mechanism. The stirring roller drives the stirring rod and spiral blades to rotate synchronously, which not only lifts the material at the bottom upwards, creating a three-dimensional circulating tumbling motion within the drying drum, but also cleans the bottom wall of the drum in real time through a brush plate, preventing material accumulation and scorching. The motor provides stable power, and multiple sets of stirring rods and spiral blades are arranged linearly and at equal intervals, ensuring that the material can fully contact the hot air at all levels. This design achieves the effect of drying materials without dead corners and avoiding the effect of local overheating leading to quality degradation, further improving the uniformity and stability of konjac powder drying. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a partial sectional view of the present invention;

[0024] Figure 3 This is a schematic diagram of the overall structure of the hot air circulation structure in this utility model;

[0025] Figure 4 This is a partial exploded view of the hot air circulation structure in this utility model;

[0026] Figure 5 This is a partial cross-sectional view of the hot air circulation structure in this utility model;

[0027] Figure 6 This is a schematic diagram of the overall structure of the stirring mechanism in this utility model;

[0028] The meanings of the labels in the diagram are as follows:

[0029] 1. Base plate; 2. Drying cylinder; 21. Support leg; 22. Feed hopper; 23. Discharge pipe; 24. Feed solenoid valve; 3. Hot air circulation structure; 31. Hot air generator; 32. Air outlet pipe; 33. Fixed cylinder; 34. Upper filter plate; 35. Variable frequency ventilation fan; 36. Air inlet pipe; 37. Lower filter plate; 38. Ventilation solenoid valve; 4. Tumbling mechanism; 41. Tumbling roller; 42. Tumbling rod; 43. Spiral blade; 44. Brush plate; 45. Connecting rod; 46. Motor. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0031] Please see Figures 1-2 The present invention provides a technical solution: a hot air circulation component for drying konjac powder, including a base plate 1, and a drying cylinder 2 fixed thereto above the base plate 1;

[0032] The thickness of the base plate 1 is 3-7cm, and the bottom surface of the base plate 1 is provided with anti-slip texture;

[0033] The thickness of the base plate 1 is preferably 5cm, which makes the component stably support the drying cylinder 2. The anti-slip texture increases the friction with the ground, reduces the risk of shaking and displacement during operation, and ensures the stability and safety of the equipment.

[0034] Several support legs 21 are fixed between the drying cylinder 2 and the base plate 1, and the several support legs 21 are arranged in a ring with equal spacing.

[0035] The support legs 21 arranged in a ring at equal intervals distribute the gravity of the drying cylinder 2 evenly to the base plate 1, thereby improving the structural load-bearing capacity and deformation resistance, extending the service life of the equipment, and ensuring long-term stable operation.

[0036] A feed hopper 22 connected to its inner cavity is fixed on the top surface of the drying cylinder 2, and a discharge pipe 23 connected to its inner cavity is fixed at the bottom end of the drying cylinder 2. A feed solenoid valve 24 is installed on the outer wall of the discharge pipe 23 and the feed hopper 22, and a sealing ring is provided at the contact points between the drying cylinder 2 and the discharge pipe 23 and the feed hopper 22.

[0037] The feeding funnel 22 with a feeding solenoid valve 24 and a sealing ring and the unloading pipe 23 make the material feeding and unloading precise and controllable. The sealing ring prevents dust leakage and external moisture intrusion, ensuring the airtightness of the drying environment and improving the drying efficiency and quality of konjac flour.

[0038] In this embodiment, as Figures 1-5 As shown, a hot air circulation structure 3 for drying the material inside the drying cylinder 2 is provided on the top surface of the base plate 1. The hot air circulation structure 3 includes a hot air generating device 31 installed on the top surface of the base plate 1, an air outlet pipe 32 tightly connected to the air inlet end of the hot air generating device 31 and used to collect the hot air inside the drying cylinder 2, and an air inlet pipe 36 tightly connected to the air outlet end of the hot air generating device 31 and used to blow hot air into the drying cylinder 2.

[0039] One end of the exhaust pipe 32 is tightly connected to the air inlet of the hot gas generator 31. The other end of the exhaust pipe 32 passes through the top surface of the drying cylinder 2 and extends into the drying cylinder 2 near the top. A fixed cylinder 33, which is connected to the inner cavity of the exhaust pipe 32 and located inside the drying cylinder 2, is fixed on the bottom surface of the other end of the exhaust pipe 32. An upper filter plate 34 is installed on the bottom surface of the fixed cylinder 33. A variable frequency ventilation fan 35 is installed on the inner wall of the fixed cylinder 33. One end of the air inlet pipe 36 is tightly connected to the exhaust of the hot gas generator 31. The other end of the air inlet pipe 36 passes through the side wall of the drying cylinder 2 and extends into the drying cylinder 2 near the bottom. A lower filter plate 37 is installed on the right side surface of the other end of the air inlet pipe 36. A solenoid valve 38 is installed on the outer wall of both the exhaust pipe 32 and the air inlet pipe 36.

[0040] The hot air circulation structure 3, consisting of an air outlet pipe 32, an air inlet pipe 36, a hot air generator 31, a filter plate, and a variable frequency ventilation fan 35, enables the hot air to be recycled and reduces energy consumption. The filter plate intercepts materials, the variable frequency ventilation fan 35 clears blockages, and the ventilation solenoid valve 38 controls the air path to ensure efficient and stable hot air circulation.

[0041] The air outlet pipe 32 is provided with sealing rings at the air inlet end of the hot gas generator 31, the drying cylinder 2 and the fixed cylinder 33, and the air inlet pipe 36 is provided with sealing rings at the air outlet end of the hot gas generator 31 and the drying cylinder 2.

[0042] By setting sealing rings at the contact points between the air outlet pipe 32, the air inlet pipe 36 and each component, the sealing performance of the hot air circulation system is enhanced, effectively preventing hot air leakage, reducing heat loss, ensuring hot air circulation efficiency, and maintaining a stable drying environment inside the drying cylinder 2.

[0043] In addition, such as Figures 1-2 , Figure 6 As shown, it also includes: a stirring mechanism 4, which is set inside the drying cylinder 2 and is used to stir the material inside the drying cylinder 2. The stirring mechanism 4 includes a stirring roller 41 rotatably connected to the drying cylinder 2, several stirring rods 42 fixed on the outer wall of the stirring roller 41, two brush plates 44 fixed on the outer wall of the stirring roller 41 and used to clean the bottom wall of the drying cylinder 2, a motor 46 installed on the top surface of the drying cylinder 2 and used to drive the stirring roller 41 to rotate, and several spiral blades 43 for lifting the material inside the drying cylinder 2 are installed on the outer wall of the stirring roller 41.

[0044] The stirring roller 41 penetrates the top surface of the drying cylinder 2 and extends into the interior of the drying cylinder 2 near the bottom. Several stirring rods 42 and several spiral blades 43 are located inside the drying cylinder 2. The output shaft of the motor 46 is coaxially connected to the stirring roller 41. Several stirring rods 42 are fixed on the outer circumference of the stirring roller 41 in a linear and equidistant manner, and several spiral blades 43 are installed on the outer circumference of the stirring roller 41 in a linear and equidistant manner, in a group of two.

[0045] The motor 46 drives the stirring roller 41, which, together with the regularly arranged stirring rods 42 and spiral blades 43, causes the konjac powder to be turned and lifted in all directions and at multiple levels within the drying cylinder 2, preventing material accumulation, increasing the contact area between the material and the hot air, and improving the drying effect.

[0046] Two symmetrical connecting rods 45 are fixed on the outer circumference of the stirring roller 41 near the bottom. The brush plate 44 is fixed on the bottom surface of the connecting rod 45 on the same side, and the side surface of the brush plate 44 near the inner bottom surface of the drying cylinder 2 is in close contact with the inner bottom surface of the drying cylinder 2.

[0047] By setting a brush plate 44 on the stirring roller 41 that fits tightly against the bottom surface of the drying cylinder 2, the residual material on the bottom wall of the drying cylinder 2 is cleaned in time, preventing material adhesion and scorching, keeping the inside of the cylinder clean, and ensuring the drying quality of konjac powder and the hygiene of the equipment.

[0048] It should be added that the two feed solenoid valves 24, the hot gas generator 31, the variable frequency ventilation fan 35, the two ventilation solenoid valves 38, and the motor 46 are all electrically connected to the external PLC through wires. The two feed solenoid valves 24, the hot gas generator 31, the variable frequency ventilation fan 35, the two ventilation solenoid valves 38, and the motor 46 are all electrically connected to the external power supply through wires, and the external PLC is also electrically connected to the external power supply through wires.

[0049] Finally, it should be noted that the components involved in this utility model, such as the feed solenoid valve 24, the hot gas generating device 31, the variable frequency ventilation fan 35, the ventilation solenoid valve 38, and the motor 46, are all general standard parts or components known to those skilled in the art. Their structures and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods. In the idle space of this device, all the above-mentioned electrical components, which refer to power elements, electrical components, and the matching controller and power supply, are connected by wires. The specific connection methods should refer to the working principle of this utility model. The electrical connections between each electrical component are completed in the order of operation. The detailed connection methods are all technologies known in the art.

[0050] In this embodiment, during actual use, konjac powder enters the drying cylinder 2 through the feeding funnel 22. The feeding solenoid valve 24 at the feeding funnel 22 is opened by the external PLC to feed the powder. After completion, the valve is closed. Then, the hot air generator 31 and motor 46 are started by the external PLC. The hot air generator 31 generates hot air, which enters the bottom of the drying cylinder 2 through the air inlet pipe 36. The motor 46 drives the stirring roller 41, which drives the stirring rod 42 and the spiral blade 43 to turn the powder, so that it can fully contact the hot air. The brush plate 44 cleans the bottom of the cylinder at the same time.

[0051] During the drying process, hot air carries moisture upwards and is filtered by the upper filter plate 34 inside the fixed cylinder 33. It then returns to the hot air generator 31 through the air outlet pipe 32 for recycling. If material adheres to the upper filter plate 34, the PLC controls the variable frequency fan 35 to accelerate and clean the filter plate.

[0052] After drying, the PLC opens the material discharge solenoid valve 24 at the discharge pipe 23 to discharge the material. The air passage solenoid valves 38 of each air passage are controlled by the PLC to ensure that the hot air circulates along the predetermined path. Through precise control of the opening and closing of each component and the parameters, efficient and stable hot air circulation drying of konjac flour is achieved.

[0053] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A hot air circulation assembly for drying konjac flour, comprising a base plate (1), characterized in that, A drying cylinder (2) is fixed above the base plate (1). A hot air circulation structure (3) for drying the material inside the drying cylinder (2) is provided on the top surface of the base plate (1). The hot air circulation structure (3) includes a hot air generator (31) installed on the top surface of the base plate (1), an air outlet pipe (32) tightly connected to the air inlet end of the hot air generator (31) and used to collect the hot air inside the drying cylinder (2), and an air inlet pipe (36) tightly connected to the air outlet end of the hot air generator (31) and used to blow hot air into the drying cylinder (2). It also includes: A stirring mechanism (4) is set inside the drying cylinder (2) for stirring the material inside the drying cylinder (2). The stirring mechanism (4) includes a stirring roller (41) rotatably connected to the drying cylinder (2), several stirring rods (42) fixed on the outer wall of the stirring roller (41), two brush plates (44) fixed on the outer wall of the stirring roller (41) for cleaning the bottom wall of the drying cylinder (2), and a motor (46) installed on the top surface of the drying cylinder (2) for driving the stirring roller (41) to rotate. Several spiral blades (43) for lifting the material inside the drying cylinder (2) are installed on the outer wall of the stirring roller (41).

2. The dried konjac flour hot air circulation assembly according to claim 1, characterized in that: The thickness of the base plate (1) is 3-7cm, and the bottom surface of the base plate (1) is provided with anti-slip texture.

3. The dried konjac flour hot air circulation assembly according to claim 1, characterized in that: A number of support legs (21) are fixed between the drying cylinder (2) and the base plate (1), and the number of support legs (21) are arranged in a ring with equal spacing.

4. The hot air circulation assembly for drying konjac powder according to claim 1, characterized in that: The top surface of the drying cylinder (2) is fixed with a feed funnel (22) that communicates with its inner cavity. The bottom end of the drying cylinder (2) is fixed with a discharge pipe (23) that communicates with its inner cavity. Both the discharge pipe (23) and the outer wall of the feed funnel (22) are equipped with a feed solenoid valve (24). The parts of the drying cylinder (2) that contact the discharge pipe (23) and the feed funnel (22) are all provided with sealing rings.

5. The hot air circulation assembly for drying konjac powder according to claim 1, characterized in that: One end of the outlet pipe (32) is tightly connected to the inlet end of the hot gas generator (31). The other end of the outlet pipe (32) penetrates the top surface of the drying cylinder (2) and extends into the interior of the drying cylinder (2) near the top. A fixed cylinder (33) connected to the inner cavity of the outlet pipe (32) and located inside the drying cylinder (2) is fixed on the bottom surface of the other end of the outlet pipe (32). An upper filter plate (34) is installed on the bottom surface of the fixed cylinder (33). The interior of the fixed cylinder (33) A variable frequency ventilation fan (35) is installed on the wall. One end of the air inlet pipe (36) is tightly connected to the air outlet of the hot air generator (31). The other end of the air inlet pipe (36) penetrates the side wall of the drying cylinder (2) and extends into the interior of the drying cylinder (2) near the bottom. A lower filter plate (37) is installed on the right side surface of the other end of the air inlet pipe (36). A solenoid valve (38) is installed on the outer wall of both the air outlet pipe (32) and the air inlet pipe (36).

6. The hot air circulation assembly for drying konjac powder according to claim 5, characterized in that: The air outlet pipe (32) is provided with sealing rings at the air inlet end of the hot air generator (31), the drying cylinder (2) and the fixed cylinder (33), and the air inlet pipe (36) is provided with sealing rings at the air outlet end of the hot air generator (31) and the drying cylinder (2).

7. The hot air circulation assembly for drying konjac powder according to claim 1, characterized in that: The tumbling roller (41) penetrates the top surface of the drying cylinder (2) and extends into the interior of the drying cylinder (2) near the bottom. Several tumbling rods (42) and several spiral blades (43) are located inside the drying cylinder (2). The output shaft of the motor (46) is coaxially connected to the tumbling roller (41). Several tumbling rods (42) are fixed on the outer circumference of the tumbling roller (41) in a linear and equidistant manner, and several spiral blades (43) are installed on the outer circumference of the tumbling roller (41) in a linear and equidistant manner, in a group of two.

8. The hot air circulation assembly for drying konjac powder according to claim 7, characterized in that: Two symmetrical connecting rods (45) are fixed on the outer circumference of the stirring roller (41) near the bottom. The brush plate (44) is fixed on the bottom surface of the connecting rod (45) on the same side, and the side surface of the brush plate (44) near the inner bottom surface of the drying cylinder (2) is in close contact with the inner bottom surface of the drying cylinder (2).

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