Mesh belt dryer integrating steam fixation and feeding device

Abstract

The utility model provides a mesh belt dryer integrating steam fixation and a feeding device, which comprises a box body and the feeding device, heating resistance wires and conveying rails are arranged in the box body, the conveying rails are divided into at least four layers and are arranged in a staggered manner, the conveying directions of every two adjacent layers are opposite, a discharge port is arranged on the side surface of the box body, and the feeding device is arranged on the discharge port. The conveying rail on the lowermost layer extends out of the box body through the discharging port, a discharging machine is arranged under the conveying rail extending out of the box body, and an air injection pipeline is arranged on the feeding device. A feeding device and steam fixation are integrated together, the fixation process is directly completed in the transportation process, the equipment complexity is reduced, the production cost is reduced, the production time is shortened, meanwhile, materials are collected at the positions where materials are prone to being scattered during raw material transportation through a gas gathering cover and a collecting funnel, the material scattering situation is avoided, raw materials are saved, and the environment is protected; and meanwhile, the discharging air cylinder assists in discharging of the collecting hopper, and the situation of material blocking is avoided.

Description

Technical Field

[0001] This utility model relates to the field of blanching and drying technology, and in particular to a mesh belt dryer that integrates steam blanching and feeding device. Background Technology

[0002] Belt dryers are a common type of drying equipment. Their basic principle is to accelerate the evaporation of moisture from materials by increasing the airflow temperature, thus achieving rapid drying. This equipment is widely used in the food, fruit and vegetable, and medicinal herb industries. Especially for materials with high moisture content and prone to spoilage, belt dryers can reduce losses during packaging and transportation.

[0003] A mesh belt dryer generally consists of a feeding device, a hot air furnace, hot air ducts, a mesh belt and transmission device, and a discharge port. The hot air furnace and hot air ducts provide high-temperature drying airflow, while the mesh belt and transmission device spread the material evenly on the mesh belt and continuously move it forward, achieving a rapid drying effect. The discharge port is usually located at the end of the mesh belt. However, some materials require a blanching process before drying, such as tea leaves, honeysuckle, daylilies, Hangzhou white chrysanthemums, Beijing chrysanthemums, Sichuan peppercorns, star anise, and green vegetables. The main purpose of blanching is to destroy and deactivate the oxidase activity in fresh produce through high temperature, maintaining the original color and appearance of the agricultural products, while enhancing some aroma and providing deodorization and sterilization. Currently, the main blanching equipment completes the blanching process before the feeding device, and then the material is sent to the feeding device for drying. This process layout occupies space, is costly, and inefficient. For example, the published patent 2017101339577 discloses a roasting machine for a steam-fired tea grinding production line, which uses steam to fire-fight the product before drying. Currently, to improve this process, an automatic feeding device can be installed between the steam fire-fighting and drying equipment, but the steam fire-fighting equipment still needs to be separated, increasing equipment costs. Therefore, solving the problem of long processing times and high processing costs caused by the separate setting of fire-fighting and drying processes for agricultural products is particularly important. Utility Model Content

[0004] The purpose of this invention is to provide a mesh belt dryer that integrates steam blanching and feeding devices. By integrating the feeding device and steam blanching together, the blanching process can be completed directly during transportation, reducing equipment complexity, production costs, and production time. This solves the problem of long processing time and high processing costs caused by separate blanching and drying processes for agricultural crops.

[0005] This utility model provides a mesh belt dryer that integrates steam blanching and feeding devices, including a box body and a feeding device. The box body is equipped with heating resistance wires and transport tracks. The transport tracks are divided into at least four layers, which are staggered and adjacent layers transport in opposite directions. The side of the box body is provided with a discharge port. The bottom layer of transport track extends out of the box body through the discharge port. A discharge machine is provided directly below the transport track extending out of the box body. The feeding device is equipped with an air jet pipe.

[0006] A further improvement is that the transport track is a mesh belt transport track.

[0007] A further improvement is that: air-gathering hoods are provided on both sides above the feeding device, so that the hot air sprayed from the jet pipe is gathered above the feeding device.

[0008] A further improvement is that the discharge machine is equipped with a collection funnel, which gathers the material delivered from the transport track and prevents it from spilling outside the discharge machine.

[0009] A further improvement is that a feeding cylinder is provided on the side of the collecting funnel, and the telescopic rod of the feeding cylinder is positioned directly opposite the collecting funnel, with an impact head made of flexible material on the telescopic rod.

[0010] A further improvement is that a circulating air duct is provided on the side of the box, which extends from one side of the box and connects to the other side of the box.

[0011] The beneficial effects of this utility model are as follows: By integrating the feeding device and steam blanching together, the blanching process can be completed directly during transportation, reducing equipment complexity, production costs, and production time. At the same time, the gas-gathering hood and collecting funnel collect materials from locations where they are prone to spillage during transportation, avoiding spillage, saving raw materials, and protecting the environment. In addition, the material discharge cylinder assists the collecting funnel in discharging materials, preventing material blockage. Attached Figure Description

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

[0013] Figure 2 This is a schematic diagram of the material discharge machine structure of this utility model.

[0014] Figure 3 This is a schematic diagram of the feeding device structure of this utility model.

[0015] The components are: 1-box body, 2-feeding device, 3-heating resistance wire, 4-transport track, 5-discharge machine, 6-jet pipe, 7-air gathering hood, 8-collecting funnel, 9-discharge cylinder, 10-impact head, 11-circulating air duct. Detailed Implementation

[0016] To enhance understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are for illustrative purposes only and do not constitute a limitation on the scope of protection of this utility model.

[0017] like Figure 1-3 As shown, this embodiment provides a mesh belt dryer integrating steam blanching and feeding devices, including a housing 1 and a feeding device 2. Heating resistance wires 3 and a transport track 4 are installed inside the housing 1. The transport track 4 is divided into at least four layers, staggered and with adjacent layers transporting in opposite directions. A discharge port is provided on the side of the housing 1. The lowest layer of the transport track 4 extends out of the housing 1 through the discharge port. A discharge machine 5 is located directly below the transport track 4 extending out of the housing 1. An air jet pipe 6 is provided on the feeding device 2. The transport track 4 is a mesh belt transport track. Gas-gathering hoods 7 are provided on both sides above the feeding device 2, allowing the blanching hot air ejected from the air jet pipe 6 to gather above the feeding device 2. A collecting funnel 8 is provided on the discharge machine 5, which gathers the material delivered from the transport track 4, preventing it from spilling outside the discharge machine 5. A discharging cylinder 9 is provided on the side of the collecting funnel 8. The telescopic rod of the discharging cylinder 9 is positioned opposite the collecting funnel 8, and a flexible impact head 10 is provided on the telescopic rod. A circulating air duct 11 is provided on the side of the housing 1. The circulating air duct 11 extends from one side of the housing 1 and connects to the other side of the housing 1.

[0018] By integrating the feeding device and steam blanching, the blanching process can be completed directly during transportation, reducing equipment complexity, production costs, and production time. At the same time, the gas-gathering hood 7 and the collection funnel 8 collect materials from locations prone to spillage during transportation, avoiding spillage, saving raw materials, and protecting the environment. Additionally, the material discharge cylinder 9 assists the collection funnel 8 in discharging materials, preventing material blockage.

Claims

1. A net belt dryer integrating steam fixation and feeding device, comprising a box (1) and a feeding device (2), the box (1) is provided with heating resistance wire (3) and transportation track (4) inside, characterized in that: The transport track (4) is divided into at least four layers, and adjacent two layers are staggered and opposite in transport direction, the box (1) is provided with a discharge port on the side, the lowermost transport track (4) extends out of the box (1) through the discharge port, a discharging machine (5) is arranged below the transport track (4) extending out of the box (1), and the feeding device (2) is provided with a jet pipe (6).

2. The steam fixation and feeding device integrated into the mesh belt dryer according to claim 1, characterized in that: The transport track (4) is a mesh belt transport track.

3. The web-belt dryer with integrated steam fixation and feeding device according to claim 1, characterized in that Gas collecting covers (7) are arranged on the two sides above the feeding device (2), and the hot fixation gas sprayed by the jet pipe (6) is gathered above the feeding device (2) through the gas collecting covers (7).

4. The web-belt dryer with integrated steam fixation and feeding device according to claim 1, characterized in that The discharging machine (5) is provided with a collecting hopper (8), the material sent out by the transport track (4) is gathered through the collecting hopper (8), and the material is prevented from scattering outside the discharging machine (5).

5. The web-belt dryer with integrated steam fixation and feeding device according to claim 4, characterized in that A discharging cylinder (9) is arranged on the side of the collecting hopper (8), the telescopic rod of the discharging cylinder (9) is arranged opposite to the collecting hopper (8), and a flexible material is arranged on the telescopic rod and is provided with an impact head (10).

6. The web-belt dryer with integrated steam fixation and feeding device according to claim 1, characterized in that A circulating air duct (11) is arranged on the side of the box (1), the circulating air duct (11) extends from one side of the box (1) and is connected to the other side of the box (1).

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