The working principle of the screw press is to push the material forward through the screw, and then reduce the volume of the screw cavity to squeeze out the juice in the material. It is the supporting facilities and mechanical equipment of the trash grid, which is composed of a feed hopper, an extrusion screw, a spiral steel pipe, a slag discharge pipe and driving equipment. The grid slag or filtered filter slag obtained by the grille enters the spiral steel pipe from the feed hopper, and is extruded and formed to fall off under the action of the extruding screw. The water permeable screen squeezed from the raw material is collected in the water receiving tank and discharged through the drain pipe. After the raw material is shrunk, it is discharged through the slag discharge pipe, which can greatly reduce the weight and capacity of grid slag and other dirt. The screw press machine is composed of drain pipe area, feeding area, screw conveying area and feeding area. The grid slag enters the material area, and is compacted in the compaction area by the screw press, the grid slag is discharged, and the sewage is injected into the water collection pipe from the grid. This equipment is suitable for juicing apples, seabuckthorns, cucumbers and other fruits and vegetables.

The screw press uses high-quality stainless steel plates in the parts that are in contact with the materials. After the materials are put in, they will automatically push, squeeze juice, filter and discharge slag. Meet food hygiene requirements. It brings more economic benefits to the enterprise. When using a screw press, it is necessary to check in advance whether the machine can work normally. The specific operation steps are as follows:

1. Before feeding the screw press, the cone and the feeding port should be closed, and the torque of the pressure spring should be properly adjusted according to the nut. When the slag skin produces slag resistance, check the actual effect of extrusion, and then properly adjust the clamping capacity and position of the spring to achieve a satisfactory actual extrusion effect.

2. When the screw press is feeding, dirt and other objects should be prevented from entering the equipment. Thicker branches should be removed to prevent damage to the screen drum. The feeding should be as uniform as possible to make the actual effect better.

3. The screw press relieves the pressure spring in advance, so that the cone moves under the push of the pomace, and the pomace behind is pressed too hard, which is conducive to removal. If it is not needed for a long time, the equipment should be cleaned and greased on the rust-prone parts for maintenance.

A screw press is a device that uses physical extrusion for dehydration. The equipment is composed of drive system, feed box, screw auger, screen, blocking equipment, water collection tank, rack and so on. The material enters the equipment from the feed box, and is pressed and squeezed layer by layer under the transportation of the auger, and the excess water is discharged from the drain through the screen. Under the continuous transportation of the auger, the blocking device is pushed out and discharged from the outlet.

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