秸秆配合颗粒饲料制粒加工工艺参数的试验研究

发布时间：2018-05-19 16:38

本文选题：秸秆 + 配合饲料　；参考：《新疆农业科学》2017年07期

【摘要】：【目的】确定秸秆配合颗粒饲料的制粒加工工艺参数,为新疆秸秆配合颗粒饲料的生产加工提供依据。【方法】采用单因素和正交试验法,分析配合颗粒饲料在制粒过程中精粗料配比、原料含水率、原料的粉碎长度及喂料速度多种因素,对秸秆配合颗粒饲料成型后颗粒的密度、粉化率及成型率等指标的影响,确定秸秆配合颗粒饲料主要加工工艺最优参数。【结果】(1)原料精、粗料比例小于5∶5时,成型率大幅度升高,粉化率大幅度降低。精、粗料比例大于5∶5后成型指标均不理想,甚至出现不成型情况,原料从颗粒机中以粉碎后的状态直接流出。当精、粗料比例为2∶8时,颗粒饲料的密度、成型率均达到最高值,粉化率最低。(2)原料含水率为12%时,颗粒饲料密度、成型率均最高,粉化率最小。(3)原料粉碎长度≤3 mm,颗粒饲料密度及成型率达到最高值,粉化率最低。【结论】(1)颗粒成型效果最好的原料含水率在10%~14%,以12%的原料含水率最优。(2)不同的喂料速度对颗粒饲料的密度、成型率及粉化率的影响均不明显。⑶通过正交试验和极差分析,原料不同精粗配比对于颗粒饲料的密度、成型率均有显著影响,原料不同含水率对颗粒饲料粉化率影响显著。⑷四因素影响主次顺序为:精粗料配比原料含水率原料的粉碎长度喂料速度,较优生产条件为A_2B_2C_3D_2。
[Abstract]:[objective] to determine the granulation process parameters of straw compounding granule feed, and to provide the basis for the production and processing of Xinjiang straw compounding pellet feed. [methods] single factor and orthogonal test method were used. The effects of various factors, such as ratio of fine and coarse material, moisture content of raw material, comminuting length of raw material and feed speed, on the density, pulverization rate and forming rate of pellet feed were analyzed. The optimum parameters of the main processing technology of straw pellet feed were determined. [results] when the raw material ratio was less than 5:5, the molding rate increased significantly and the pulverization rate decreased significantly. The ratio of fine and coarse material after 5:5 is not ideal or even not formed. The raw material flows out directly from the granulator in the state of crushing. When the ratio of fine and coarse feed is 2:8, the density and forming rate of pellet feed reach the highest value, and when the moisture content of raw material is 12%, the density and forming rate of pellet feed are all the highest. The comminution length of the raw material is less than 3 mm, and the density and the forming rate of the pellet feed reach the highest value. [conclusion] the best raw material moisture content is 10% and 14%, and the feed rate of 12% is the best for the density of the pellet feed, [conclusion] the powder rate is the lowest. [conclusion] the best raw material moisture content is 10% and 14%, and the best feed rate is 12%. By orthogonal test and range analysis, the effects of different ratio of raw materials on the density and forming rate of pellet feed were not obvious. The effects of different moisture content of raw materials on the pulverization rate of pellet feed were significantly influenced by four factors: feed speed of comminution length of raw material with raw material moisture content of raw material, and the optimum production condition was A2B2C3DSP.
【作者单位】：新疆农业科学院农业机械化研究所;
【基金】：自治区公益性科研院所基本科研业务经费资助项目“肉羊秸秆配合颗粒饲料加工技术及关键设备的研发”(KYGY2016127) 新疆农科院青年基金项目“肉羊饲草颗粒成型机理的研究”(xjnkq-2015010);“草颗粒制粒机压模与压辊磨损机理研究”(xjnkq-2017009)~~
【分类号】：S816.9

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