Drying equipment for food production

By designing upper and lower conveyor belts and water collection tanks, combined with heating pipes and wind control, the problems of low efficiency and food curling in food production drying equipment are solved, achieving efficient drying and aesthetically pleasing finished food products.

CN223500088UActive Publication Date: 2025-10-31SHANXI YANGYIZHAI NATURAL PLANT DEV
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Patent Information

Application Number
CN202422761829.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-10-31
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

Existing food drying equipment has a slow drying efficiency and food is prone to curling during the drying process, affecting its appearance.

Method used

It adopts an upper and lower conveyor belt structure, combined with a water collection tank and air duct design. The upper and lower conveyor belts shape and initially compress the food, and the water collection tank drains the water. At the same time, heating pipes and air force work together to dry the food, ensuring that the food is flat.

Benefits of technology

It improves drying efficiency, prevents food from curling, and ensures the appearance and drying effect of the food.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223500088U_ABST
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Abstract

The utility model discloses drying equipment for food production, which relates to the technical field of drying equipment and comprises a drying box, one end of the drying box is provided with a feed port, the other end of the drying box is provided with a discharge port, a lower conveying mesh belt is arranged in the drying box, an upper conveying mesh belt is arranged above the lower conveying mesh belt, and the upper conveying mesh belt is provided with a feed port. According to the food shaping device, food is shaped through the upper conveying net belt and the lower conveying net belt, meanwhile, the food can be preliminarily extruded at the feeding end, water such as food materials can be conveniently extruded out, water stains fall into the water collecting tank, the food materials can be conveniently dried, and the food materials can be conveniently dried. Meanwhile, in the drying and heating process, the food materials are shaped, the food materials are prevented from being curled, the problems that an existing drying device for food production is low in drying efficiency and food is prone to being curled during drying are solved, and the drying effect of the drying device is greatly improved.
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Description

Technical Field

[0001] This utility model relates to the field of drying equipment technology, and in particular to a drying equipment for food production. Background Technology

[0002] Drying refers to the process of removing moisture from food by evaporating it in hot air. Food drying is one of the main technologies in food storage and processing. By removing most of the moisture from food, the water activity is reduced, the growth and reproduction of microorganisms are inhibited, and the shelf life of food is extended. It is widely used in the production and processing of various foods.

[0003] When drying food, if there is a lot of residual moisture inside the sheet-like food or a lot of water adhering to the outer surface after it enters the drying oven, it will drip water in the early stage after entering the drying oven. During the heating and drying process, due to the loss of a lot of moisture, the food is prone to curling, which affects the appearance of the final product. However, the existing technology cannot remove a lot of moisture from the surface of the food in time, nor can it prevent the food from curling. Utility Model Content

[0004] The purpose of this invention is to solve the problems of slow drying efficiency and food curling during drying in existing food production drying equipment, and to propose a food production drying equipment.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A drying chamber is included, with an inlet at one end and an outlet at the other end. A lower conveyor belt is installed inside the drying chamber, and an upper conveyor belt is installed above the lower conveyor belt. Both ends of the lower and upper conveyor belts are fitted onto drive rollers, which are connected to the inner wall of the drying chamber via bearings. Two drive rollers at one end extend to the rear of the drying chamber, and a motor is installed at the rear of the drying chamber. The output shaft of the motor is fixed to the rear end of one of the drive rollers. Gears are fixed on both drive rollers at the rear of the drying chamber, and the two gears are meshed together. Several heating tubes are installed on the inner wall of the drying chamber inside both the lower and upper conveyor belts.

[0006] Preferably, a water collection tank is fixedly installed through the bottom surface of the drying chamber near the feed inlet, and a drain outlet is fixedly installed through the bottom of the water collection tank. A partition plate is fixedly installed on the bottom surface of the lower conveyor belt on the side of the water collection tank and inside the lower conveyor belt. The heating pipe inside the lower conveyor belt is located inside the drying chamber between the partition plate and the discharge port.

[0007] Preferably, the lower conveyor belt extends into the inlet and outlet at both ends, respectively, and the end of the upper conveyor belt near the outlet is flush with the lower conveyor belt. The length of the lower conveyor belt is greater than the length of the upper conveyor belt.

[0008] Preferably, the diameter of each heating tube is smaller than the diameter of the drive roller, and the distance between the top surface of the lower conveyor belt and the bottom surface of the upper conveyor belt is equal to the thickness of the food.

[0009] Preferably, air guide pipes are provided on the top surface of the drying chamber on both sides of the partition plate and on the bottom surface of the drying chamber between the partition plate and the discharge port. Several branch pipes are equidistantly fixed to the end of the air guide pipe facing the drying chamber. Each branch pipe is fixed to the drying chamber. The left and right and the top and bottom air guide pipes are connected by connecting pipes. One-way valves are provided at one end of the upper connecting pipe and the bottom end of the side connecting pipe. Another one-way valve is provided at the end of the air guide pipe away from the one-way valve. The end of the other one-way valve away from the air guide pipe is connected to the air outlet of the fan.

[0010] Preferably, the bottom surface of the drying box above the water collection tank is provided with a groove, and a protective net is fixed inside the groove. A guide plate that slopes downward toward the drain outlet is fixed inside the water collection tank.

[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0012] 1. In this utility model, the food is shaped by the upper and lower conveyor belts, and the food can be initially squeezed at the feeding end to facilitate the expulsion of moisture. The water droplets fall into the water collection tank and are then discharged through the water outlet. At the same time, the food is shaped during the drying and heating process to prevent it from curling. This solves the problems of slow drying efficiency and easy curling of food during drying in existing food production drying equipment, and greatly improves the drying effect of the drying equipment.

[0013] 2. In this utility model, the wind force inside the drying chamber can be effectively controlled through the interconnected wind force control. In addition, the synchronous heating and wind force drying near the discharge port further improve the drying effect of food. At the same time, the symmetrical drying design of the drying end section can better ensure the appearance of the food. Attached Figure Description

[0014] Figure 1 This utility model provides a front view schematic diagram of the structure of a drying device for food production;

[0015] Figure 2 This utility model provides a rear view of the structure of a drying device for food production.

[0016] Figure 3 This utility model provides a front view sectional diagram of the structure of a drying device for food production;

[0017] Figure 4This utility model presents a partial structural schematic diagram of a drying device for food production.

[0018] Legend: 1. Drying oven; 2. Feed inlet; 3. Discharge outlet; 4. Lower conveyor belt; 5. Upper conveyor belt; 6. Drive roller; 7. Gear; 8. Motor; 9. Heating tube; 10. Divider plate; 11. Water collection tank; 12. Protective net; 13. Drain outlet; 14. Air guide pipe; 15. Branch pipe; 16. Connecting pipe; 17. Check valve; 18. Guide plate. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0021] Example 1

[0022] like Figure 1-4 As shown, this utility model provides a drying equipment for food production, including a drying chamber 1. The drying chamber 1 has a feed inlet 2 at one end and a discharge outlet 3 at the other end. A lower conveyor belt 4 is installed inside the drying chamber 1, and an upper conveyor belt 5 is installed above the lower conveyor belt 4. Both ends of the lower conveyor belt 4 and the upper conveyor belt 5 are fitted onto drive rollers 6, and the drive rollers 6 are connected to the inner wall of the drying chamber 1 through bearings. Both drive rollers 6 at one end extend to the rear side of the drying chamber 1, and a motor 8 is installed on the rear side of the drying chamber 1. The output shaft of the motor 8 is fixed to the rear end of one drive roller 6. Gears 7 are fixed on both drive rollers 6 on the rear side of the drying chamber 1, and the two gears 7 are meshed together. Several heating tubes 9 are installed on the inner wall of the drying chamber 1 inside the lower conveyor belt 4 and the upper conveyor belt 5.

[0023] The specific setup and function of this embodiment are described below: A water collection tank 11 is fixedly installed on the bottom surface of the drying chamber 1 near the feed inlet 2, and a drain outlet 13 is fixedly installed on the bottom of the water collection tank 11. A slot is opened on the bottom surface of the drying chamber 1 above the water collection tank 11, and a protective net 12 is fixed inside the slot. A guide plate 18 inclined downward toward the drain outlet 13 is fixed inside the water collection tank 11 to facilitate water discharge. A partition plate 10 is fixed on the bottom surface and inside the lower conveyor belt 4 on the side of the water collection tank 11. A heating pipe 9 is installed inside the lower conveyor belt 4. Inside the drying chamber 1, located between the partition plate 10 and the discharge port 3, the lower conveyor belt 4 extends to the inlet 2 and the discharge port 3 at both ends, respectively. The upper conveyor belt 5 is flush with the lower conveyor belt 4 at the end near the discharge port 3. The length of the lower conveyor belt 4 is greater than the length of the upper conveyor belt 5, which facilitates placing the food to be dried on the lower conveyor belt 4 with the inlet 2 end facing down, and ensures that the food can be flattened and intact. The diameter of each heating tube 9 is smaller than the diameter of the drive roller 6. The distance between the top surface of the lower conveyor belt 4 and the bottom surface of the upper conveyor belt 5 is equal to the thickness of the food.

[0024] Example 2

[0025] like Figure 1-4 As shown, air guide pipes 14 are provided on the top surface of the drying chamber 1 on both sides of the partition plate 10 and the bottom surface of the drying chamber 1 between the partition plate 10 and the discharge port 3. Several branch pipes 15 are equidistantly fixed to the end of the air guide pipe 14 facing the drying chamber 1. Each branch pipe 15 is fixed to the drying chamber 1. The left and right and the upper and lower air guide pipes 14 are connected by connecting pipes 16. One-way valves 17 are provided at one end of the upper connecting pipe 16 and the bottom end of the side connecting pipe 16. Another one-way valve 17 is provided at the end of the air guide pipe 14 away from the one-way valve 17. The end of the other one-way valve 17 away from the air guide pipe 14 is connected to the air outlet of the fan.

[0026] The overall effect of this embodiment is that airflow is introduced into the air duct 14 through the end of another one-way valve 17, and dispersed into the drying chamber 1 under the guidance of the branch pipe 15, the connecting pipe 16 and the remaining air ducts 14, which can assist in heating to dry the food inside the drying chamber 1.

[0027] The usage and working principle of this device are as follows: When food needs to be dried, place the food on the lower conveyor belt 4 through the feed inlet 2, and the food will be placed inside the drying chamber 1. Turn on the heating tube 9 to heat the inside of the drying chamber 1. At the same time, another one-way valve 17 connects to the airflow. Under the guidance of the branch pipe 15 and the connecting pipe 16, the airflow is blown into the drying chamber 1. When the food is at the feed inlet 2, it is initially dried and the water is discharged. The water flow is collected in the water collection tank 11 and discharged through the drain outlet 13 under the guidance of the guide plate 18. The food is kept flat under the pressure of the lower conveyor belt 4 and the upper conveyor belt 5. When it moves close to the lower conveyor belt 4, the water inside the food is basically discharged. At this time, the upper and lower branch pipes 15 and the heating tube 9 dry the food simultaneously. After drying, it can be discharged through the discharge outlet 3.

[0028] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A drying device for food production, comprising a drying chamber (1), characterized in that: The drying chamber (1) has a feed inlet (2) at one end and a discharge outlet (3) at the other end. The drying chamber (1) is equipped with a lower conveyor belt (4) and an upper conveyor belt (5) above the lower conveyor belt (4). Both ends of the lower conveyor belt (4) and the upper conveyor belt (5) are fitted onto drive rollers (6), and the drive rollers (6) are connected to the inner wall of the drying chamber (1) through bearings. Both drive rollers (6) at one end extend to the rear side of the drying chamber (1), and a motor (8) is provided on the rear side of the drying chamber (1). The output shaft of the motor (8) is fixed to the rear end of one drive roller (6). Gears (7) are fixed on both drive rollers (6) on the rear side of the drying chamber (1), and the two gears (7) are meshed. Several heating tubes (9) are provided on the inner wall of the drying chamber (1) inside the lower conveyor belt (4) and the upper conveyor belt (5).

2. The drying equipment for food production according to claim 1, characterized in that: A water collection tank (11) is fixedly installed on the bottom surface of the drying chamber (1) near the feed inlet (2), and a drain outlet (13) is fixedly installed on the bottom of the water collection tank (11). A partition plate (10) is fixed on the bottom surface of the lower conveyor belt (4) on the side of the water collection tank (11) and inside the lower conveyor belt (4). The heating pipe (9) inside the lower conveyor belt (4) is located inside the drying chamber (1) between the partition plate (10) and the discharge port (3).

3. The drying equipment for food production according to claim 1, characterized in that: The lower conveyor belt (4) extends into the inlet (2) and outlet (3) at both ends, respectively. The upper conveyor belt (5) is flush with the lower conveyor belt (4) at one end near the outlet (3). The length of the lower conveyor belt (4) is greater than the length of the upper conveyor belt (5).

4. The drying equipment for food production according to claim 1, characterized in that: The diameter of each heating tube (9) is smaller than the diameter of the drive roller (6), and the distance between the top surface of the lower conveyor belt (4) and the bottom surface of the upper conveyor belt (5) is equal to the thickness of the food.

5. A drying device for food production according to claim 2, characterized in that: Air guide pipes (14) are provided on the top surface of the drying chamber (1) on both sides of the partition plate (10) and the bottom surface of the drying chamber (1) between the partition plate (10) and the discharge port (3). Several branch pipes (15) are fixedly connected at equal intervals at one end of the air guide pipe (14) facing the drying chamber (1). Each branch pipe (15) is fixedly connected to the drying chamber (1). The left and right and the upper and lower air guide pipes (14) are connected through the connecting pipe (16). One-way valves (17) are provided at one end of the upper connecting pipe (16) and the bottom end of the side connecting pipe (16). Another one-way valve (17) is provided at the end of the air guide pipe (14) away from the one-way valve (17). The other one-way valve (17) is connected to the air outlet of the fan at the end away from the air guide pipe (14).

6. A drying device for food production according to claim 2, characterized in that: The bottom surface of the drying box (1) above the water collection tank (11) is provided with a groove, and a protective net (12) is fixed inside the groove. A guide plate (18) that slopes downward toward the drain outlet (13) is fixed inside the water collection tank (11).