Rotary transmission type drying device with annular chain belt

Abstract

The utility model discloses an annular chain belt rotation transmission type drying device which is characterized in that the annular chain belt rotation transmission type drying device comprises a drying room, hot air blowers, a closed loop air return circulation and an annular chain belt rotation mechanism, the two hot air blowers are arranged on the side faces of the two ends of the drying room and connected through a hot air input pipe and a waste heat circulation air return pipe; the drying room comprises a heat preservation polyurethane foaming sandwich plate structure, an air inlet valve and a moisture exhaust fan. The device meets the requirement of clean energy, achieves the purposes of high-temperature sterilization and drying in a short time for drying treatment of agricultural products, wood, tobacco, traditional Chinese medicinal materials, food, aquatic products and the like, and achieves standard, large-scale, low-investment, high-output and environment-clean production.

Description

Technical Field

[0001] The utility model belongs to the technical field of drying, and specifically relates to a ring-shaped chain belt rotary transmission type drying device. Background Art

[0002] With the development of society, more and more fresh agricultural, forestry and fishery materials need to be dried after harvesting for better storage, and the drying operation usually uses a drying room. The drying room can quickly dry the materials and is widely used in the field of primary processing of agricultural products. However, most of the drying rooms in the prior art are fixed baking racks. The materials are heated unevenly during the static drying process, and the temperature difference between the surface and the middle heat exchange is large, which prolongs the drying time and damages the quality. Some drying rooms input hot air from one end and have a dehumidification port at the other end. This drying method consumes too much energy, has no waste heat return air circulation device, and cannot effectively utilize heat, resulting in heat energy loss and waste in the drying process, which increases energy consumption costs.

[0003] In order to solve the problem of heat recovery in the drying process, achieve energy conservation and emission reduction, solve the problem of uneven heating in the drying process, and meet the needs of market expansion, the utility model has made technical improvements to the dryer. Hot air blower air inlets are set on both sides of the drying room and both have waste heat closed-loop return air circulation devices. The waste heat return air device consists of a patented hot air blower air inlet duct, return air duct, dehumidification fan, air inlet valve, annular chain belt rotating transmission mechanism and a transmission drying rack. Summary of the invention

[0004] The utility model provides an endless chain belt rotary transmission type drying device to solve the above existing technical problems.

[0005] The utility model is realized by adopting the following technical solutions:

[0006] A ring-type chain belt rotary transmission type drying device, characterized in that it includes a drying room, a hot air blower, and a ring-type chain belt rotating mechanism. The hot air blower is arranged on the end face of the drying room and is connected to the drying room through a hot air input pipe and a waste heat circulation return air duct; the drying room includes a thermal insulation polyurethane foam sandwich panel structure, an air inlet valve, a dehumidification fan, and a movable door; the ring-type chain belt rotating mechanism is arranged in the drying room; a tray is arranged on the ring-type chain belt rotating mechanism; rolling wheels are installed at the bottom of the tray; and multiple layers of drying trays can be placed on the tray.

[0007] Furthermore, temperature and humidity sensors and PLC temperature control modules are provided for remote control.

[0008] Furthermore, the hot air blower is a variable frequency hot air blower that can output high-temperature and high-pressure gas.

[0009] Furthermore, the hot air blower, the hot air input pipe, the waste heat circulation return air pipe and the drying room form a closed-loop return air circulation system.

[0010] Furthermore, the ring-shaped chain belt rotating mechanism includes a chain belt rotating motor and a transmission chain.

[0011] The beneficial effects of the utility model are:

[0012] 1. The utility model has a very simple structure. The assembled thermal insulation polyurethane foam sandwich panel structure is very easy to disassemble, assemble and move. It has low requirements on the installation environment. The high-temperature and high-pressure air supply method and the diffusion of hot air flow do not require the installation of a guide circulation fan and a wind wall, which greatly reduces the equipment cost and the power consumption cost, improves the drying efficiency as a whole, and recycles the residual heat to produce a temperature superposition effect. The airflow load of the hot air blower is reduced and the heating efficiency is increased, which greatly saves energy consumption.

[0013] 2. The utility model ring-type chain belt rotating mechanism and transmission drying rack make the material rotate and heat evenly during the drying process, ensuring the best quality end product with the shortest energy consumption.

[0014] 3. The utility model meets the requirements of clean energy, and can achieve the purpose of high-temperature sterilization and drying in a short time for the drying treatment of agricultural products, wood, tobacco, Chinese medicinal materials, food, aquatic products, etc., and realizes the convenience of standard scale, low investment, high output, and environmentally clean production. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of a structural top view of the utility model.

[0016] Figure 2 It is a structural side view schematic diagram of the utility model.

[0017] Figure numerals: 1-hot air blower, 2-drying room, 3-hot air input pipe, 4-waste heat return pipe, 5-chain belt rotating motor, 6-transmission chain, 7-tray, 8-air inlet valve, 9-dehumidification fan, 10-tray rolling wheel 11-thermal insulation polyurethane foam sandwich panel, 12-movable door. DETAILED DESCRIPTION

[0018] The following examples further illustrate the present invention, but are not intended to limit the present invention. Specific experimental conditions and methods not specified in the following examples are conventional methods known to those skilled in the art.

[0019] like Figure 1-2A ring-type chain belt rotary transmission drying device, characterized in that it comprises a hot air blower 1, a drying room 2, and a ring-type chain belt rotating mechanism, wherein the ring-type chain belt rotating mechanism comprises a chain belt rotating motor 5 and a transmission chain 6, the hot air blower 1 is arranged at the end surface of the drying room, and is connected to the drying room 2 through a hot air input pipe 3 and a waste heat return pipe 4; the drying room 2 comprises a heat-insulating polyurethane foam sandwich panel structure 11, an air inlet valve 8, a dehumidification fan 9, and a movable door 12; the ring-type chain belt rotating mechanism is arranged in the drying room 2; a tray 7 is arranged on the ring-type chain belt rotating mechanism; a rolling wheel 10 is installed at the bottom of the tray

[0020] The hot air blower 1 is arranged at the end face of the drying room. The number of the hot air blowers 1 can be set according to the size of the drying room 2. The larger the drying room, the more hot air blowers are needed. The hot air blower 1, the hot air input pipe 3, the waste heat return air pipe 4 and the drying room 2 form a closed-loop return air circulation system. The drying room 2 is assembled and constructed with a heat-insulating polyurethane foam sandwich board 11. The ring-type chain belt rotating mechanism is arranged in the drying room. A tray 7 is installed on the ring-type chain belt rotating mechanism. The heat-insulating polyurethane foam sandwich board assembly structure is very convenient when disassembling and assembling, and there is no very high requirement for the installation environment. The hot air blower 1 is a hot air blower that can output high-temperature and high-pressure gas. Its specific structure and technology can refer to the patent No. 202320162457.7. The lower end of the side of the drying room 2 is connected to the hot air input pipe, and the hot air flow enters the drying room through the drying room to exchange heat with the material rack on the ring-type chain belt rotating mechanism.

[0021] The waste heat return air duct 4 is installed at the upper end of the drying room. The waste heat of the air is recovered through the waste heat return air duct, which plays an energy-saving role. All the waste heat in the drying room is transported to the air inlet of the hot air blower through the return air duct. After the waste heat return air temperature superposition effect, the air flow load of the hot air blower is reduced and the heating efficiency is increased.

[0022] The implementation process of the utility model is as follows: the material drying plate to be dried is placed on the ring-shaped chain belt rotating tray, and after closing the seal, the hot air blower is started, and the high-temperature and high-pressure hot air enters the air duct at the bottom of the material drying plate through the hot air input pipe and flows rapidly, and the material is heated by heat exchange. As the high-temperature and high-pressure airflow penetrates all the internal moisture of the material and evaporates, the water vapor is formed and discharged from the drying room from bottom to top by the dehumidification fan 9, that is, a heat exchange process between the hot air flow and the material is completed. The high-pressure gas is sucked in through the waste heat return air duct to the tail end, and then returns to the air inlet of the hot air blower, and is heated again and output to the drying room, forming a heat transfer cycle. Because it is a high-temperature and high-pressure hot air transport, the speed of water vapor being discharged outward under the action of pressure will be accelerated, and the speed of convection of the dehumidification fan 9 linked to the cold air valve will be faster. At the same time, because of continuous dehumidification and continuous heating, the drying process rate is doubled. After the superposition effect of the waste heat return air temperature, the airflow load of the hot air blower is reduced, and the heating efficiency is increased, so as to achieve the purpose of energy saving, efficiency improvement and rapid drying.

[0023] Furthermore, the drying room also includes a temperature and humidity sensor and a PLC temperature control module for remote control (not shown). The PLC temperature control module adjusts the frequency, temperature and air flow rate of the variable frequency hot air blower through the temperature sensor signal. The entire drying process is completed by continuous operation at different times for different drying materials. According to the processing needs of different materials, the moisture, temperature and time of the drying process can be controlled by setting different temperature operating parameters to meet the drying requirements of different materials.

[0024] The utility model can achieve the positive effect of rapid energy saving through drying case tests:

[0025] 1. Case A: It takes 30 hours to dry 10 cubic fast-growing eucalyptus chips from 65% to 18% by placing them on a conventional static drying rack. It only takes 6 hours to dry 10 cubic fast-growing eucalyptus chips from 65% to 18% by using the ring-shaped chain belt rotating mechanism and the transmission drying plate of the utility model. The residual heat of the return air from the hot air blower is recycled, which greatly saves energy consumption and saves more than 50% energy compared with conventional air energy heat pump drying or biomass combustion boiler drying.

[0026] 2. Case B: It takes 36 hours to dry 2000 kg sliced ​​yam from 70% moisture to 12% by placing it statically on a drying rack. It only takes 12 hours to dry 2000 kg sliced ​​yam from 70% moisture to 12% by using the ring-shaped chain belt rotating mechanism and the transmission drying plate of the utility model. The residual heat of the return air from the hot air blower is recycled, which greatly saves energy consumption and saves more than 60% energy compared with conventional biomass pellet fuel heating and drying.

[0027] The above is only a specific implementation of the present utility model, but the protection scope of the present utility model is not limited thereto, and any changes or simple replacements that are not conceived through creative work should be included in the protection scope of the present utility model.

Claims

1. An endless chain belt rotary transmission drying device, characterized in that: It includes a drying room, a hot air blower, and an endless chain belt rotating mechanism. The hot air blower is arranged on the end face of the drying room and is connected to the drying room through a hot air input pipe and a waste heat circulation return pipe. The drying room includes a heat-insulating polyurethane foam sandwich panel, an air inlet valve, a dehumidification fan, and a movable door. The endless chain belt rotating mechanism is arranged in the drying room. A tray is arranged on the endless chain belt rotating mechanism. Rolling wheels are installed at the bottom of the tray.

2. The endless chain belt rotary transmission drying device according to claim 1, characterized in that: The drying room is also provided with a temperature and humidity sensor and a PLC temperature control module for remote control.

3. The endless chain belt rotary transmission drying device according to claim 1, characterized in that: The hot air blower is a variable frequency hot air blower capable of outputting high temperature and high pressure gas.

4. The endless chain belt rotary transmission drying device according to claim 1, characterized in that: The hot air blower, the hot air input pipe, the waste heat circulation return air pipe and the drying room form a closed-loop return air circulation system.

5. The endless chain belt rotary transmission drying device according to claim 1, characterized in that: The endless chain belt rotating mechanism comprises a transmission chain and a motor.

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