What is a tunnel drying machine used for and how it works?

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​The Working Principles of a Tunnel Dryer

 

Drying is a very process that is important horticulture production. It removes moisture that is excess maximize shelf life and lower bacterial growth and disease initiation.

Depending on the material being dried, it could be better to apply microwave power at various stages of the process that is drying. This is dependent on the materials's dielectric properties, that are temperature and moisture dependent.

Thermodynamics

Thermodynamics is the study of how energy and heat are transferred in a system. Thermodynamics is an important factor in|factor that is important} the functioning of a drying machine since it helps determine the performance and operation of the equipment.

The process that is drying a complex process and requires the employment of lots of variables. These factors include temperature, humidity and air flow.

For instance, the moisture that is effective coefficient (Deff) is a crucial transport characteristic when you look at the drying process and needs you need to take under consideration. It really is a measure associated with the ability of materials to transfer water from a high-moisture state to a state that is low-moisture.

Exergy analysis is an efficient technique to gauge the performance of a Tunnel Drying Machine. This technique identifies the cause, location and extent of a drying machines inefficiency.

 

Mild Steel Tunnel Dryer, Capacity: 8.5 ton/hour, Automation Grade: Automatic

image source: https://www.pinterest.com/

Air Flow

The air flow in a tunnel drying machine is supplied by a vertical heated air heater and it is circulated by fans (typically 3 to 5 m3/second). High air flow rates allow water to quickly evaporate more.

Drying of produce removes excess surface moisture through the material before packaging to attenuate bacterial growth and disease initiation, increasing shelf life. A conveyor roller rotates produce while it is dried because of the air flow and air that is hot.

Compared to tray dryers, tunnel dryers offer operationally efficient drying of materials that require long times that are drying. These include automotive components, electronic parts, construction materials and glass products.

The meals drying process in a tunnel dryer was modeled from Keey's drying model and experimental drying curve, and optimized in operating conditions consisting of inlet air temperature, air recycle ratio and air flow rate. Optimization results showed higher inlet air temperature, lower recycle ratio and higher air flow rate with shorter total drying time when cocurrent and counter current tunnel drying were used.

Conveyor Speed

The conveyor speed of a Tunnel Quick-freezing Machine can vary with respect to the product size. The conveyor can move at a higher speed to dry them quicker, while larger or more complex items require lower speed to maximize the drying process for smaller products.

The temperature of the air in the dryer could be controlled to accommodate the type of product being dried as well as the desired drying time. Typically, the conveyor speeds are set by the user on a control panel or touchscreen device.

In a production screen printing shop, having a frequent and powerful conveyor dryer is just like important as your press. The Ink that is total Solution Tunnel(tm) Conveyor Dryer features a myriad of customizations to optimize it for your specific shop needs.

 

Tunnel Dryer Machine Manufacturer from Tiruvallur

image source: https://www.pinterest.com/

Temperature Control

The working principle of the Tunnel Drying Machine is actually exactly like compared to the tray dryers, just the material is moved through the tunnel as opposed to in a place that is fixed. The heating regarding the material to be dried is done by using hot air circulation.

The technique of movement and air circulation plus the heating regarding the material can vary according to the application. Three different arrangements are available, namely countercurrent, parallel flow and combined airflow.

Into the work that is present we adopt an innovative decentralized control approach that enhances the overall tunnel control performance and energy savings in practice when compared with simple control-feedback MIMO approaches. The main control aims are feedback stability, full decoupling, and absolute invariance to the measurable disturbance.

 

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