CN210051056U - Drying device with high heating efficiency - Google Patents

Abstract

The utility model belongs to the technical field of the dry technique of powdered material and specifically relates to a drying device that heating efficiency is high. This kind of drying device that heating efficiency is high, the casing upper end is provided with bidirectional heating conveying mechanism, bidirectional heating conveying mechanism is including being fixed in the conveying cover body on the shells inner wall, set up the heater strip between conveying cover body inner wall and outer wall, set up in the hourglass material hole of conveying cover body lower surface, run through the pivot of the conveying cover body left and right sides, set up in the epaxial helical blade group of commentaries on classics, be used for driving the rotatory variable speed motor of pivot and set up in the feed port of conveying cover body upper surface, bidirectional heating conveying mechanism's conveying cover body lower surface is provided with hot air drying. The utility model discloses a drying device that heating efficiency is high realizes even quick primary drying through two-way heating conveying mechanism, constructs through hot air drying and realizes secondary drying, and primary drying and secondary drying are coherent strong, improve powder material drying efficiency and drying uniformity, shorten drying time.

Description

A drying device with high heating efficiency

technical field

The utility model relates to the technical field of powder material drying, in particular to a drying device with high heating efficiency.

Background technique

Many raw materials in the food industry contain a lot of moisture. In order to make the food have good preservation and save transportation costs, the moisture content is required to be reduced as much as possible. Therefore, removing moisture from materials is a process that is often carried out in food processing. Powdered materials are commonly used materials. Due to the relatively poor heat transfer efficiency, high density and insufficient fluidity of powdered materials, powdered materials are prone to uneven heating during drying operations, resulting in materials that cannot be effectively dried. The efficiency of material heating and drying.

Utility model content

The purpose of the utility model is to provide a drying device with high heating efficiency, which overcomes the deficiencies in the drying of powder materials in the prior art, improves the drying efficiency and drying uniformity of powder materials, and shortens the drying time.

The technical scheme adopted by the utility model to solve its technical problems is:

A drying device with high heating efficiency comprises a casing, a feeding port, a discharging port and a supporting leg, the upper end of the casing is provided with a bidirectional heating and conveying mechanism, and the bidirectional heating and conveying mechanism comprises a conveying cover fixed on the inner wall of the casing body, a heating wire arranged between the inner wall and the outer wall of the conveying cover, a leakage hole arranged on the lower surface of the conveying cover, a rotating shaft running through the left and right sides of the conveying cover, and a set of spiral blades arranged on the rotating shaft for driving A variable speed motor with a rotating shaft and a feeding hole arranged on the upper surface of the conveying cover body, the helical blade group includes a first helical blade and a second helical blade arranged symmetrically, and the first helical blade and the second helical blade are arranged in opposite directions, After the material enters the conveying cover of the two-way heating and conveying mechanism, the first and second spiral blades on the rotating shaft are driven by the variable speed motor to rotate, so that the material is conveyed to the left and right directions at the same time. The primary drying process is in contact with the wall, and the drying process is highly uniform. The material after preliminary drying is discharged from the leakage hole; the lower surface of the conveying cover of the two-way heating conveying mechanism is provided with a hot air drying mechanism for secondary drying. The inner lower end of the casing is provided with a soft board, and the lower surface of the soft board is provided with a vibration motor. The soft board and the vibration motor are arranged to cooperate with the hot air drying mechanism, so that the material in the secondary drying process has a large heating area and is heated evenly.

Further, the material leakage holes are located at the left and right ends of the lower surface of the conveying cover. The material turned over during the material conveying process of the two-way heating conveying mechanism contacts the inner wall of the conveying cover, and when the material is conveyed to the left and right ends of the conveying cover, the material It has been initially dried evenly. At this time, the material is discharged from the leakage hole to the drying area of the hot air drying mechanism, so that the drying consistency is high.

Further, the hot air drying mechanism includes a cylinder with a bottom cover at the bottom, a heating wire arranged between the inner wall and the outer wall of the cylinder, a fan arranged inside the cylinder, a ventilation hole arranged on the bottom cover of the cylinder, and a heating wire arranged on the cylinder. The bell-shaped flare at the lower end, when the air blown by the fan is discharged through the ventilation holes, the air becomes hot air under the action of the heating wire, and the material on the soft board is dried by the hot air, and the material on the soft board is under the action of the vibrating motor. Vibrating up and down, the powdery material vibrating back and forth can fully contact with the hot air.

Further, the upper end of the cylinder of the hot air drying mechanism is communicated with the lower surface of the conveying cover of the two-way heating and conveying mechanism, and the heating wire disposed in the cylinder is connected in series with the heating wire disposed in the conveying cover to improve heating efficiency.

Further, the cylinder is arranged in the middle of the lower end of the conveying cover to ensure the uniformity of heating.

Further, downwardly inclined baffles are arranged on the left and right sides of the lower end of the casing, the front sides of the two downwardly inclined baffles are fixed with the front surface of the inner wall of the casing, and the rear sides of the two downwardly inclined baffles are both connected to the casing. The rear surface of the inner wall is fixed, and the setting of the downwardly inclined deflector is beneficial to guide the material falling from the leakage hole of the two-way heating and conveying mechanism to directly below the drying area of the hot air drying mechanism.

Further, the soft board is arranged between the two downwardly inclined baffles, and the length of the soft board is the same as the diameter of the lower surface of the flared flaring, which further improves the uniformity of secondary drying of the material on the soft board.

Further, the discharge port is in the shape of a long strip, the discharge port is arranged on the front side of the shell, the lower end of the discharge port is flush with the position of the soft board, and the lower end of the discharge port is provided with a downwardly inclined discharge plate to discharge the material. The upper end of the port is hinged with a cover. After the material is dried, the heating of the heating wire is turned off, and the cover of the discharge port is opened under the vibration of the vibration motor, and the material is discharged from the discharge port along the discharge plate.

Further, the feeding port provided on the shell is communicated with the feeding hole provided on the upper surface of the conveying cover, so as to increase the speed of the material entering the bidirectional heating and conveying mechanism.

Further, the lower end of the casing is provided with an inspection port.

The beneficial effects of the present utility model are: compared with the prior art, a drying device with high heating efficiency of the present utility model has the following beneficial effects: (1) After the material enters the conveying cover of the two-way heating conveying mechanism, it is passed through a variable-speed motor. Drive the first spiral blade and the second spiral blade on the rotating shaft to rotate, so that the material is conveyed in the left and right directions at the same time. When the left and right ends of the cover are conveyed, the material has been initially dried evenly. At this time, the material is discharged from the leakage hole to the drying area of the hot air drying mechanism, so that the drying consistency is high; (2) The air blown by the fan of the hot air drying mechanism passes through the ventilation holes. When discharging, the air becomes hot air under the action of the heating wire, and the material on the soft plate is dried by the hot air. The material on the soft plate vibrates up and down under the action of the vibration motor, and the powdery material vibrating back and forth can be fully contacted with the hot air. ; (3) The setting of the soft plate and the vibrating motor is used to cooperate with the hot air drying mechanism, so that the heating area of the material during the secondary drying process is large and the heating is uniform; (4) The setting of the downwardly inclined deflector is conducive to the bidirectional heating of the conveying mechanism. The material falling from the leakage hole is diverted to just below the drying zone of the hot air drying mechanism.

Description of drawings

1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is the left side view structure schematic diagram of the utility model (internal structure is not shown);

Among them, 1 shell, 2 feeding port, 3 discharging port, 4 legs, 5 conveying cover, 6 heating wire, 7 leakage hole, 8 rotating shaft, 9 variable speed motor, 10 first spiral blade, 11 second Spiral blade, 12 soft plate, 13 vibration motor, 14 cylinder, 15 fan, 16 flared opening, 17 deflector, 18 discharge plate, 19 cover, 20 inspection port.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present utility model.

In the embodiment shown in Figures 1 and 2, a drying device with high heating efficiency includes a shell 1, a feed port 2, a discharge port 3 and a leg 4. The upper end of the shell 1 is provided with a bidirectional heating and conveying mechanism The two-way heating and conveying mechanism includes a conveying cover 5 fixed on the inner wall of the casing 1, a heating wire 6 arranged between the inner wall and the outer wall of the conveying cover 5, and a leakage hole 7 arranged on the lower surface of the conveying cover 5 , the rotating shaft 8 running through the left and right sides of the conveying cover 5, the screw blade group arranged on the rotating shaft 8, the variable speed motor 9 for driving the rotating shaft to rotate, and the feeding hole arranged on the upper surface of the conveying cover 5, the screw blade The group includes symmetrically arranged first helical blades 10 and second helical blades 11, the first helical blades 10 and the second helical blades 11 are arranged in opposite directions, the leakage holes 7 are located at the left and right ends of the lower surface of the conveying cover 5, The feeding port 2 provided on the housing 1 is in communication with the feeding hole provided on the upper surface of the conveying cover 5; the lower surface of the conveying cover 5 of the two-way heating conveying mechanism is provided with a hot air drying mechanism, and the shell A soft board 12 is provided at the lower end of the body 1 , and a vibration motor 13 is provided on the lower surface of the soft board 12 . The lower end of the casing is provided with an inspection port 20 .

The hot air drying mechanism includes a cylinder body 14 with a bottom cover at the lower end, a heating wire arranged between the inner wall and the outer wall of the cylinder body 14, a fan 15 arranged inside the cylinder body 14, a ventilation hole 16 arranged on the bottom cover of the cylinder body 14 and the A flared flaring 16 at the lower end of the cylindrical body 14 is provided. The upper end of the cylinder 14 of the hot air drying mechanism communicates with the lower surface of the conveying cover 5 of the bidirectional heating and conveying mechanism. The cylindrical body 14 is arranged in the middle of the lower end of the conveying cover body 5 .

The lower end of the casing 1 is provided with downwardly inclined baffles 17 on the left and right sides. The front sides of the two downwardly inclined baffles 17 are fixed with the front surface of the inner wall of the casing 1. It is fixed to the rear surface of the inner wall of the housing 1 . The soft board 12 is arranged between two downwardly inclined baffles 17, and the length of the soft board 12 is the same as the diameter of the lower surface of the flared flaring 16.

The discharge port 3 is in the shape of a long strip. The discharge port 3 is arranged on the front side of the casing 1. The lower end of the discharge port 3 is flush with the soft board 12, and the lower end of the discharge port 3 is provided with a downwardly inclined discharge plate. 18. A cover 19 is hinged on the upper end of the discharge port 3 .

Working principle: a drying device with high heating efficiency of the present utility model, when in use, the material enters from the feeding port, enters the conveying cover body 5 through the feeding hole of the two-way heating conveying mechanism, and is driven by the variable speed motor 9 on the rotating shaft 8. The first helical blade 10 and the second helical blade 11 rotate, so that the material is conveyed in the left and right directions at the same time. During the conveying process, the material turned over is in contact with the inner wall of the conveying cover 5 to perform primary drying. The drying process has high uniformity and is conveyed to the conveying At the left and right ends of the cover body 5, the material has been initially dried evenly. At this time, the material is discharged from the leakage hole 7 to the drying area of the hot air drying mechanism, so that the drying consistency is high, and the material falling from the leakage hole 7 is guided by the downward slope. The flow plate 17 guides the flow to the soft plate 12, the material on the soft plate 12 vibrates up and down under the action of the vibration motor 13, and the powdery material vibrating back and forth can fully contact with the hot air blown by the hot air drying mechanism to achieve secondary drying. After the drying is completed, the heating of the heating wire is turned off, and the cover 19 of the discharge port 3 is opened under the vibration of the vibration motor 13, and the material is discharged from the discharge port 3 along the discharge plate 18.

The above-mentioned specific embodiments are only specific cases of the present utility model, and the scope of patent protection of the present utility model includes but is not limited to the product forms and styles of the above-mentioned specific embodiments. Appropriate changes or modifications made by personnel shall fall within the scope of patent protection of the present invention.

Claims (10)

1. The utility model provides a drying device that heating efficiency is high, includes casing, feed inlet, discharge gate and landing leg, its characterized in that: the casing upper end is provided with bidirectional heating conveying mechanism, bidirectional heating conveying mechanism is including being fixed in the conveying cover body on the shells inner wall, setting up heater strip between conveying cover body inner wall and outer wall, setting up in the hole that leaks of conveying cover body lower surface, run through the pivot of the conveying cover body left and right sides, set up in the epaxial helical blade group, be used for driving the rotatory variable speed motor of pivot and set up in the feed port of conveying cover body upper surface, first helical blade and the second helical blade that the helical blade group set up including the symmetry, first helical blade and the reverse setting of second helical blade, bidirectional heating conveying mechanism's conveying cover body lower surface is provided with hot air drying mechanism, the inside lower extreme of casing is provided with the soft board, the soft board lower surface is provided with vibrating motor.

2. A drying apparatus with high heating efficiency as set forth in claim 1, wherein: the material leaking holes are positioned at the left end and the right end of the lower surface of the conveying cover body.

3. A drying apparatus with high heating efficiency as set forth in claim 1, wherein: the hot air drying mechanism comprises a barrel body with a lower end back cover, a heating wire arranged between the inner wall and the outer wall of the barrel body, a fan arranged inside the barrel body, a ventilation hole arranged on the barrel body back cover and a horn-shaped flaring arranged at the lower end of the barrel body.

4. A drying apparatus with high heating efficiency as set forth in claim 3, wherein: the upper end of the cylinder body of the hot air drying mechanism is communicated with the lower surface of the conveying cover body of the bidirectional heating conveying mechanism, and the heating wires arranged in the cylinder body are connected in series with the heating wires arranged in the conveying cover body.

5. A drying apparatus with high heating efficiency as set forth in claim 4, wherein: the cylinder body is arranged in the middle of the lower end of the conveying cover body.

6. A drying apparatus with high heating efficiency as set forth in claim 5, wherein: the left side and the right side of the lower end of the shell are respectively provided with a downdip guide plate, the front side surfaces of the two downdip guide plates are respectively fixed with the front surface of the inner wall of the shell, and the rear side surfaces of the two downdip guide plates are respectively fixed with the rear surface of the inner wall of the shell.

7. A drying apparatus with high heating efficiency as set forth in claim 6, wherein: the soft plate is arranged between the two declination guide plates, and the length of the soft plate is the same as the diameter of the lower surface of the horn-shaped flaring.

8. A drying apparatus with high heating efficiency as set forth in claim 7, wherein: the discharge gate is rectangular shape, and the discharge gate sets up in the casing front side, and the discharge gate lower extreme flushes with the soft board position, and the discharge gate lower extreme is provided with the play flitch that has a down dip, and the discharge gate upper end articulates there is the closing cap.

9. A drying apparatus with high heating efficiency as set forth in claim 1, wherein: the feed inlet arranged on the shell is communicated with the feed hole arranged on the upper surface of the conveying cover body.

10. A drying apparatus with high heating efficiency as set forth in claim 1, wherein: the lower end of the shell is provided with an access hole.

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