How Does The Feed Expander Work?

In summary, the working principle of the feed extruder is to achieve the feed extrusion process through material processing under high temperature and high pressure environment and instantaneous pressure release. In this process, the nutrients in the raw materials undergo a series of physical and chemical changes, which improves the nutritional value and digestibility of the feed. At the same time, the extrusion process also makes the feed have a better taste and digestibility, and improves the water retention and storage resistance of the feed. In actual production, the feed extruder is usually used in conjunction with raw material pretreatment, cutting and cooling, screening and packaging equipment to form a complete feed production line.

The extruder is connected to the modulator, and the material enters the modulator first and then the extruder. The extruder and the modulator together constitute the core process of feed production, which directly affects the quality and weight of the feed. At the outlet of the modulator, there is a temperature sensor to monitor the temperature of the material in real time to control the moisture content. However, due to the certain delay and measurement error of the temperature sensor, it is often necessary for workers to manually confirm and adjust the amount of steam entering the modulator.

In summary, feed expanders process feed through physical reactions at high temperature and high pressure, and have multiple functions, including sterilization, improving feed quality and digestibility, increasing the amount of liquid raw materials added, and expanding the range of processed raw materials. As for the difference between "feed expanders" and "expanders", this article believes that there may be no substantial difference between the two, and "expander" is a more commonly used and accurate term.