The continuous screw press is a dehydration equipment commonly used for agricultural products such as fruits, vegetables, and oilseeds. Its working principle is based on the mechanical principle of screw pressing. Through the rotation of the screw and the extrusion of the shell, the moisture in the agricultural products is quickly discharged, thereby achieving the dehydration effect.

The continuous screw press is an efficient dehydration equipment and is widely used in the dehydration processing of agricultural products. Its dehydration principle is based on the principle of mechanical extrusion. Through the rotation of the spiral and the extrusion of the shell, the moisture in the agricultural products is quickly discharged, thereby achieving a fast and efficient dehydration effect.

1. Structure of screw press

The continuous screw press consists of a main machine, a transmission system, a screw shaft, a shell and other parts. The host drives the spiral shaft to rotate through the transmission system. The spiral shaft is located inside the casing. The gap between the casing and the spiral shaft gradually decreases, thereby squeezing and dehydrating agricultural products.

2. Working principle of screw pressing

Material feeding and extrusion: After pretreatment, agricultural products are continuously transported to the feed port of the screw press. The screw shaft begins to rotate, pushing the material into the interior of the housing. As the space inside the shell gradually decreases, the material is mechanically squeezed and the moisture in it is forced out.

Moisture discharge: During the extrusion process, the moisture of the agricultural products is forced to be discharged and discharged from the outside of the machine through the tiny holes in the shell. The rotation of the spiral continuously pushes the material forward while draining the water out, thereby achieving the purpose of dehydration.

Dehydrated materials are discharged: After being extruded by the screw press, the moisture of agricultural products is greatly reduced. The dehydrated materials are discharged from the outlet of the screw press and can be processed or packaged later.

3. Advantages of continuous screw press

High efficiency and energy saving: The continuous screw press adopts the principle of mechanical extrusion, which has remarkable dehydration effect and low energy consumption. It has the characteristics of high efficiency and energy saving.

Easy to operate: The equipment has a simple structure and is easy to operate. You only need basic operating training to get started.

Good dehydration effect: Since the screw press uses mechanical extrusion, the dehydration effect is better and can effectively improve the dryness of agricultural products.

Wide scope of application: The continuous screw press is suitable for dehydration of various agricultural products, including fruits, vegetables, oils, etc., and has strong versatility.

4. Application fields of screw press

Continuous screw presses are widely used in the field of agricultural product processing, such as dehydration of fruits and vegetables, extraction of oils, etc. During the dehydration process of fruits and vegetables, the continuous screw press can quickly discharge most of the water in the fruits and vegetables, maintain their natural color and flavor, and extend the shelf life of the products. In oil extraction, the screw press can efficiently extract the oil from the oil, increasing the oil yield while maintaining the nutritional content of the oil.

5. Summary

With its high efficiency, energy saving and simplicity, the continuous screw press has become an indispensable and important equipment in the field of agricultural product processing. Its dehydration principle is based on mechanical extrusion. Through the rotation of the spiral and the extrusion of the shell, the moisture in the agricultural products is quickly discharged, maintaining the original characteristics of the agricultural products and improving the quality of the processed products. With the continuous advancement of science and technology, the technology of continuous screw presses will be more improved and expanded, providing more reliable technical support for the development of the agricultural product processing industry.

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