Importance of extruder extrusion technology for bait production

Importance of extruder extrusion machine technology for bait production

With the development of China's aquaculture industry toward specialization and scale, great progress has been made in the research and production of aquatic compound bait. In recent years, with the enhancement of the capacity of bait industry in China, the technology level of bait production has been further improved, coupled with the introduction of foreign advanced bait processing equipment and production technology, the expanded aquatic bait has sprung up like bamboo shoots after a spring spring. With its unique advantages, it is more and more favored by the majority of aquaculture enterprises and farmers, and has a huge trend to replace the traditional pellet bait. Extruder production of bait has become a trend.

Extrusion, commonly known as extrusion, is a combination of mixing, shearing, heating, kneading, cooling and molding and other processes in one processing process. In the process of extrusion machine, the material is processed at high temperature and high pressure first, and then decompressed, and some properties of the material are changed by the instantaneous evaporation of water or the expansion characteristics of the material itself. The early extrusion technology of the extruder was primarily used in the food processing industry, and began to be used in the American bait industry in the 1950s. Extrusion technology has made great progress in China since the 1990s. At present, the puffing technology is basically used in the production of high-grade bait in animal husbandry and aquaculture.

Puffing aquatic feed production equipment production of simple technological process and expansion of puffing aquatic bait process is: will wash raw material crushing first, and then mixed in certain proportion, further micronization, then mixed with steam or water in the modulator, 35 minutes by preset system make the material early mature, and then into the extruder, in under the action of heat, pressure and mechanical shear, material from amorphous particles into a viscous material, through the screw rotation to push forward. A certain pressure is formed behind the discharging mold, so that the material is extruded from the machine, and the product discharged through the mold hole enters the atmospheric environment with lower pressure. The moisture in the high-temperature material immediately evaporates, making the material expand. A rotary tool at the end of the die cuts the extruded product into segments of a predetermined length. The moisture in the final product is reduced to 9%-12% by drying. After further grading and coating, the finished product is packaged. In addition to these basic processing techniques, embedding, derivation, carrier adsorption and post addition have been used to reduce the loss of thermosensitive components in the processing of puffed bait. Extrusion technology plays a very important role in the production of puffed bait, which has a great influence on the quality and production efficiency of the bait. The main equipment to complete the extrusion machine process is the extruder, which is mainly composed of a barrel and a rotating screw in the barrel.

The Relationship between Floatability and Density of Aquatic Baits In aquaculture, puffed baits with different floating characteristics should be selected according to the living habits of different aquaculture objects so as to better meet the feeding needs of different aquaculture objects. Control of sink and float is of great significance to ensure the nutrition of aquaculture animals, maintain the water environment and improve the utilization rate of aquatic bait. The extruded aquatic feed produced by extruder has broad market prospect. If you need extruder, please contact us. Our company will wholeheartedly provide you with better prices and more reasonable product solutions.

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