Large fish paste filter

Efficiency/Capacity：1-1.5T/hour Power Supply：380V，11Kw Dimensions：130x175x114cm Weight：350Kg Screen Aperture：2mm

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Fish ball processing series

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In the fish paste product processing industry chain, fine filtration is a key link in determining product texture and safety. After the fish paste raw materials have been collected and minced, small fish bones, fish skin fragments, fascia, and impurity particles often remain. If these foreign objects are not thoroughly removed, they will not only affect the taste of the fish paste products but may also pose food safety hazards. Fish paste fine filters, with their precise filtration structure and efficient separation technology, can deeply purify fish paste raw materials, safeguarding the quality of end products such as fish balls, fish cakes, and fish sausages, and becoming indispensable core equipment in modern aquatic processing enterprises. 

The material selection of the fish paste fine filter strictly follows food processing hygiene standards. All parts that come into contact with materials are made of 304 or 316 food-grade stainless steel. This material has extremely strong corrosion resistance, can withstand the moisture and salt in the fish paste and the erosion of cleaning agents during processing, and prevents the leaching of metal ions from contaminating the fish paste; the surface is mirror-polished to reduce fish paste residue and bacterial growth, meeting food contact material standards. The equipment frame is made of high-strength carbon steel welding, and after sandblasting rust removal and food-grade paint spraying, it ensures that the overall structure is strong, durable, and easy to clean. 

I. From the structural layout, the fish paste fine filter adopts a horizontal closed structure, mainly composed of a feeding system, a filter cylinder, a spiral pusher, an impurity discharge device, an outlet, and a drive system. The feeding system is equipped with a screw pump and a flow control valve, which can stably control the feeding speed of the fish paste to avoid affecting the filtration effect due to flow fluctuations; the filter cylinder is the core working component, with precision filter screens of different apertures embedded in the inner wall. The filter screen uses metal woven mesh or sintered mesh material. The spiral pusher is installed inside the filter cylinder, and the spiral blades push the fish paste to move axially, while generating extrusion to force the fish paste through the filter screen; the impurity discharge device is located at the end of the filter cylinder, continuously discharging the intercepted impurities; the drive system uses a frequency conversion motor to provide stable power for the equipment operation. 

II. In terms of working principle, the fish paste fine filter achieves purification through the synergistic effect of mechanical extrusion and precise filtration. When the fish paste enters the filter cylinder from the feeding system, the spiral pusher rotates under the drive of the motor, pushing the fish paste towards the outlet. During the movement, the fish paste is squeezed by the spiral blades, forcing the delicate fish paste tissue to pass through the filter screen pores into the outlet channel, while fish bones and fish skin, etc., impurities that cannot pass through the filter screen are intercepted and transported to the impurity discharge device by the spiral pusher and discharged out of the machine. The entire filtration process is carried out in a closed environment, avoiding external contamination, and the continuous operation mode ensures the stability of production efficiency. 

III. In terms of operation and maintenance, the fish paste fine filter embodies a user-friendly design concept. The equipment operating noise is controlled below 80 decibels, and vibration transmission is reduced through shock absorbers to improve the workshop working environment. 

The application of fish paste fine filters brings significant benefits to processing enterprises: 

1. First, it effectively removes impurities from fish paste, making fish paste products delicate and uniform in texture, and increasing the product pass rate by more than 15%; 

2. Second, closed filtration reduces the risk of bacterial contamination and extends the shelf life of products; 

3. Furthermore, the continuous production mode increases the fine filtration efficiency by 3-5 times. A single unit can process 500-2000 kilograms of fish paste per hour, meeting the needs of large-scale production; 

4. Finally, precise filtration control reduces fish paste loss, increases raw material utilization by 5%-8%, and reduces enterprise production costs. 

As a key equipment for fish paste processing, the fish paste fine filter, with its high speed, high efficiency, non-destructive fish meat fiber tissue, non-oxidation of fish meat, precise filtration performance, stable operation, and high production capacity, provides a solid guarantee for improving the quality of fish paste products and has become essential equipment for modern aquatic processing enterprises to achieve high-quality production. ​