CN-224230595-U - Continuous tunnel fruit and vegetable dryer

CN224230595UCN 224230595 UCN224230595 UCN 224230595UCN-224230595-U

Abstract

The utility model relates to a continuous tunnel fruit and vegetable dryer which comprises a heating chamber, wherein a heat exchanger and an airflow heating assembly are arranged on the heating chamber, the heat exchanger is communicated with the airflow heating assembly through an L-shaped airflow channel, a drying room is arranged on the drying room in parallel along the horizontal direction, an air inlet end of the drying room is communicated with an output end of the airflow heating assembly, the drying room is communicated with the tail end of the airflow converging room, the other end of the airflow converging room is communicated with the heat exchanger, a dehumidifying part comprises a fan assembly and an evaporator which are arranged in a straight line, the evaporator is communicated with an air outlet end of the heat exchanger, a negative pressure cavity is formed by surrounding the fan assembly and the evaporator, and an airflow switching room comprises an exhaust room and a switching room which can be opened and closed and switched with the exhaust room, and the switching room is communicated with the air inlet end of the heat exchanger. The utility model realizes high-efficiency, energy-saving and uniform fruit and vegetable drying.

Inventors

WU XINWEI
LIN WEIQUN
CHEN HONGZE
CHEN YIBIN
YANG JIANXIN

Assignees

聿铭新能源动力科技(漳州)有限公司

Dates

Publication Date: 20260512
Application Date: 20250604

Claims (5)

1. A continuous tunnel fruit and vegetable dryer is characterized by comprising A heating chamber (1), wherein a heat exchanger (11) and an airflow heating component (12) are arranged on the heating chamber (1), and the heat exchanger (11) is communicated with the airflow heating component (12) through an L-shaped airflow channel (14); The drying room (2) is provided with a drying chamber (21) and an airflow converging chamber (22) in parallel along the horizontal direction, the air inlet end of the drying chamber (21) is communicated with the output end of the airflow heating component (12), the tail ends of the drying chamber (21) and the airflow converging chamber (22) are communicated, and the other end of the airflow converging chamber (22) is communicated with the heat exchanger (11); A dehumidifying component (3), wherein the dehumidifying component (3) comprises a fan assembly (31) and an evaporator (32) which are arranged in a straight line, the evaporator (32) is communicated with the air outlet end of the heat exchanger (11), a negative pressure cavity is formed between the fan assembly (31) and the evaporator (32), and The air flow switching chamber (4) comprises an exhaust chamber (41) and a switching chamber (42) which can be opened and closed with the exhaust chamber (41), and the switching chamber (42) is communicated with the air inlet end of the heat exchanger (11).
2. The continuous tunnel fruit and vegetable dryer as claimed in claim 1, wherein the exhaust chamber (41) is communicated with the switching chamber (42) through a first opening and closing door, a second opening and closing door is arranged on the left side of the exhaust chamber (41), the switching chamber (42) is communicated with the heat exchanger (11) through a third opening and closing door, and a humidity sensor is arranged on the exhaust chamber (41).
3. The continuous tunnel fruit and vegetable dryer of claim 1, wherein the air flow heating assembly (12) comprises a first condenser and a second condenser arranged in an array, the area of the second condenser is far larger than that of the first condenser, and an auxiliary thermoelectric heating pipe is arranged on the other side of the second condenser in an array.
4. The continuous tunnel fruit and vegetable dryer as claimed in claim 1, characterized in that the volume of the drying chamber (21) is substantially greater than the volume of the air flow converging chamber (22).
5. The continuous tunnel fruit and vegetable dryer as claimed in claim 1, wherein the heat exchanger (11) is provided with a surface cooler (13).

Description

Continuous tunnel fruit and vegetable dryer Technical Field The utility model relates to the technical field of fruit and vegetable processing equipment, in particular to a continuous tunnel fruit and vegetable dryer. Background In the fruit and vegetable processing industry, drying is an important processing link. The traditional fruit and vegetable dryer has the problems of high energy consumption, uneven drying, rough humidity control, low production efficiency and the like, so continuous production cannot be realized, and the requirement of large-scale industrial production is difficult to meet. In order to solve the problems, the invention provides a continuous tunnel fruit and vegetable dryer which realizes efficient, energy-saving and uniform fruit and vegetable drying through reasonable structural design and advanced control method. Disclosure of Invention The utility model aims to provide a continuous tunnel fruit and vegetable dryer which solves the problems of high energy consumption, uneven drying, rough humidity control, low production efficiency and the like of the traditional dryer. The dryer can realize continuous drying of fruits and vegetables, improve drying efficiency and quality, and reduce energy consumption and production cost. In order to realize the technical scheme, the utility model adopts the following technical scheme that the continuous tunnel fruit and vegetable dryer comprises The heating chamber is provided with a heat exchanger and an airflow heating assembly, and the heat exchanger is communicated with the airflow heating assembly through an L-shaped air flow channel; The drying room is provided with a drying chamber and an airflow converging chamber in parallel along the horizontal direction, the air inlet end of the drying chamber is communicated with the output end of the airflow heating component, the drying chamber is communicated with the tail end of the airflow converging chamber, and the other end of the airflow converging chamber is communicated with the heat exchanger; The dehumidifying component comprises a fan assembly and an evaporator which are arranged in a straight line, wherein the evaporator is communicated with the air outlet end of the heat exchanger, a negative pressure cavity is enclosed between the fan assembly and the evaporator, and The air flow switching chamber comprises an exhaust chamber and a switching chamber which can be opened and closed and switched with the exhaust chamber, and the switching chamber is communicated with the air inlet end of the heat exchanger. The air exhaust chamber is communicated with the switching chamber through a first opening and closing door, a second opening and closing door is arranged on the left side of the air exhaust chamber, the switching chamber is communicated with the heat exchanger through a third opening and closing door, and a humidity sensor is arranged on the air exhaust chamber. Further, the airflow heating assembly comprises a first condenser and a second condenser which are arranged in an array mode, the area of the second condenser is far larger than that of the first condenser, and auxiliary thermoelectric heating pipes are arranged on the other side of the second condenser in an array mode. Further, the volume of the drying chamber is much larger than the volume of the airflow converging chamber. Further, a surface cooler is arranged on the heat exchanger. Compared with the prior art, the utility model has the following beneficial effects: 1) According to the utility model, the air flow is preheated and waste heat is recovered through the heat exchanger, and compared with the traditional dryer, the energy can be saved by more than 30% by combining the staged heating design of the air flow heating assembly. 2) The structural design and reasonable airflow circulation of the drying chamber and the airflow converging chamber ensure that the airflow in the drying chamber is uniformly distributed, the fruits and vegetables are uniformly heated, and the deviation of the water content is controlled within +/-3 percent. 3) The dehumidifying component and the airflow switching chamber are arranged, and the humidity sensor is matched with the dehumidifying component to realize the accurate control of the humidity in the drying room, so that the humidity can be automatically regulated according to the drying requirements of different fruits and vegetables, and the quality of the dried fruits and vegetables is improved. 4) The continuous tunnel structure is adopted, so that continuous feeding and discharging of fruits and vegetables can be realized, the production efficiency is high, and the continuous tunnel structure is suitable for large-scale industrial production. 5) The auxiliary thermoelectric heating pipe in the airflow heating component can provide additional heat in a low-temperature environment or special drying requirement, so that the adaptability of the equipment to different environments and