Ask a technological problem (there is a lot of duck powder)

This post was finally edited by majj2006 at 09:25 on 2009-12-18. Now the granulation effect of duck feed is not good, just coming out of the granulator and after cooling, the appearance of the particles is OK, but after packing to the duck farm, it is easy to crush the feed by pinching both ends of the feed with your fingers. It won't work if you change a few ring molds. Zhengchang 40 machine, ring die compression ratio 14.5 times. The percentage of main raw materials of duck feed is as follows: corn 42, secondary flour 9, palm kernel meal 9, cassava 5, rice bran 10, brewer's grains 10, feather powder 1.5, DDGS5, biscuit leftovers 2, lard residue 0.6, rapeseed meal 5, everyone to see what's the problem? -is it related to the temperature of quenching and tempering?-now the moisture of the corn is too big, so it is too loose.-Thank you for your attention! The granulation temperature is 7580 degrees, and the moisture of corn is 14%. Because the moisture of the raw material of miscellaneous meal is relatively dry, about 10 kilograms of water is added to the granulation material, and the moisture of the final product is about 12.5%. Try to reduce the moisture content of the finished product tomorrow. -replace the secondary flour with flour. -this post was finally edited by majj2006 at 09:40 on 2009-12-18. Flour is more expensive than secondary flour. Try to increase the cost.-is there too much roughage and what is the particle size? How much is the moisture difference before and after quenching and tempering? -the total amount of DDGS, rice bran, brewer's grains and some miscellaneous meal should be reduced, these things are not good for granulation, increase the amount of corn and secondary flour! -this post was finally edited and replied by majj2006 at 09:45 on 2009-12-18. "Thank you, woman with little feet. Corn sieve 2.5mm. Now let the quality control test the moisture before and after quenching and tempering." -(1) the amount of palm meal is too high, and it is difficult to absorb water with too many hard particles, so it is suggested to reduce the dosage; (2) the temperature of granulation can be increased by properly reducing the compression ratio of the ring membrane. I'd like to know your progress in this matter-in study. Reply to majj2006 for advice, palm meal is 9%, your material is very black. What's the effect of duck feed?