World Grain Chinese - July 2006 - 32

特写: 家禽饲料的生产
则不利于家禽加工厂的最佳屠宰率。

油脂在加入颗粒料前通常需要预加热,有

为此,液料需要精确计量,使用正确的喂

时,为了得到最大的吸收,油脂和颗粒都需

料器以精确添加。每日详细记录和控制管理

要加热。颗粒料在造粒后连续冷却阶段,以

需要加强,油脂温度需要定时检查,因为温

及在仓中储藏期间,必须保证没有油脂渗出

度变化对油脂密度和粘性的影响很大。在添

现象。良好的排气装置和适当的仓内通风是

加过程中,油脂和颗粒的温度对油脂在粉粒

维持颗粒料在料仓中处于最佳的条件。

料重的均匀恰当分散也影响很大。因此,必
须小心地监控工厂,建立最佳的工作参数。

过度明亮光泽的颗粒是挤压力太大和缺少
润滑所造成的。这种情况的颗粒硬而脆,渗

催䋼䞣ѻકˈ
⫳ੑЁ᳔ᅱ䌉
Buhler完全的HYSYS(带有喂料器),
HYMIX混合机(蒸汽输入), HYTHERM调
质, HYPAC颗粒机, HYMODE控制。

ⱘϰ㽓
ձ䴴⾥ⷨⱘѻક
Ўњ᠔᳝Դⱘ亳ક⏏ࡴࠖ

透性也不好,油脂及其它液料就很难渗入颗
粒。颗粒外部保持相对疏松的组织结构有利
于吸收率达到最大,温度稍微高点也使得颗
粒内部容易获得油脂,增大液料的穿透率。
为了保证颗粒的组织疏松度,选择正确

vᆍᯧⱘ⺙㹟㺙
v㧹‫ݏ‬ᔎ࣪⏏ࡴࠖ
vࠖ䞣఼
vୖ఼᭭
v䴶ಶ䇗㡖ࠖ
v๲ⱑࠖ

粒度至关重要。因此,在家禽饲料厂,锤片
磨、盘式磨和辊式磨都有使用。
几乎所有家禽饲料的研磨中,锤片磨都装
设有自动筛面更换机构,在研磨粉碎之前设
有一道筛理。这就使得更小的维生素和其它
粉粒无需再粉碎,也有助于减小能量消耗。
所有的锤式磨都需要大的动力,因为这种磨
是利用撞击原理来粉碎谷粒。
锤片磨比辊式磨需要更大的动力,因为

r

后者利用压力和擦削粉碎谷物。最近几个新

4- ,

厂,在锤片磨之前使用了盘式磨,明显降低
了动力消耗,还提高了生产能力,但投入成
本增加的并不多。

䇋䖯ܹ㔥キ䯙㾜៥Ӏⱘ᠔᳝ѻક
ZZZUHVHDUFKSURGFRP
ഄഔ32%R[ˈ6DOLQD.DQVDV86$
⬉䆱 Ӵⳳ
⬉ᄤֵㆅLQIR#UHVHDUFKSURGFRP

WG

作者Jonathan Bradshaw,是一个农业和食
品加工业顾问,专长于工程项目管理,
自己开有公司,J B Bradshaw Ltd。他在
非洲、美洲、欧洲和加勒比海一带有着
丰富的面粉和饲加工经验。联系方式:
jonathan.bradshaw2@btopenworld.com。
我们想从您那得到建议-
请发送您的评论意见和质询到: worldgrain@sosland.com。
为了再版重印世界谷物的文章,请发电子邮件到:
reprints@sosland.com。

?

请圈阅读者服务卡第64号或者看第46页。
32

2006年7月 / 世界谷物 / www.World-Grain.com


http://www.World-Grain.com

World Grain Chinese - July 2006

Table of Contents for the Digital Edition of World Grain Chinese - July 2006

Contents
World Grain Chinese - July 2006 - 1
World Grain Chinese - July 2006 - 2
World Grain Chinese - July 2006 - 3
World Grain Chinese - July 2006 - Contents
World Grain Chinese - July 2006 - 5
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