Factors Affecting The Feed Pellet Hardness


The hardness of feed pellets directly affects their appearance and production property. So controlling feed pellet hardness is a problem the feed manufactures have to face. 
The factors affecting the hardness mainly include the feed ingredients grinding process, feed ingredients mixing, water adding and steam modulating process and post curing technology etc.


The pulverization fineness of feed ingredients plays the decisive role in feed pellets hardness. Generally speaking the finer the particle size the better the starch gelatinization.

Mixing raw materials can increase the uniformity of feed compositions with all kinds of granularity and ensure the feed pellets have basically identical hardness. 

Steam modulating effect directly affects the inner structure of feed pellets. Steam quality and modulating time are two main factors affecting the modulating effect. 
Post curing process can make the inner structure more compact and increase the stability and hardness of pelletized feeds. 
The technical parameters of pelletizing die such as the aperture and compression ratio significantly affect the hardness of feed pellets.
Shandong Double Crane Machinery Manufacture Co., Ltd. -----MANUFACTURER AND TRADER 
Factory Address:  High and New Industrial Park, Leling, Dezhou, Shandong
Catherine Ji 
Mobile : +86-180 0531 1413                        wechat: catherineji520
Skype : leia_ji               QQ: 545187985        whatsapp:+86-18005311413   
Email： catherine@sdshuanghe.com                http://www.shpelletmill.com

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