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Livestock and poultry feed production technology for granulating powder at low temperature after conditioning and baking process of powder

A livestock and poultry feed and tempering technology, applied in feed, food forming, food science, etc., can solve the problems of heat-sensitive feed additive activity loss, affecting feed digestion and absorption rate, affecting feed safety, etc., to overcome heat-sensitive groups Severe loss of points, reduction of equipment configuration costs, improvement of digestibility and utilization efficiency

Active Publication Date: 2014-08-27
FEED RESEARCH INSTITUTE CHINESE ACADEMY OF AGRICULTURAL SCIENCES
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] (1) The powdered finished feed is not treated with high temperature and humidity, and the starch gelatinization degree is low, which affects the digestion and absorption rate of the feed. At the same time, Salmonella and other pathogenic bacteria in the feed cannot be killed or effectively controlled, and the hygiene level is poor. Affect the safety of feed
[0006] (2) Pellet feed is tempered during the production process. If the tempering temperature is low and the time is short, there will be problems of incomplete sterilization and low degree of starch gelatinization; if the tempering temperature is high and the time is long, heat-sensitive feed additives will be caused. The activity of the serious loss, so that it loses its due effect
This equipment and process will also increase the cost

Method used

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  • Livestock and poultry feed production technology for granulating powder at low temperature after conditioning and baking process of powder

Examples

Experimental program
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Effect test

Embodiment 1

[0040] Example 1 Low-temperature granulation process to produce high-grade livestock and poultry pellets and cooked powdery feed after the powder is conditioned and matured

[0041] (1) Raw material receiving and cleaning

[0042] The pellets (such as corn and soybean meal) are unloaded into the feeding pit, and after the cylinder initial cleaning screen to remove the large impurities, it enters the permanent magnet cylinder to remove the iron impurities, and then enters the silo to be pulverized. For powdery materials that do not need to be pulverized, they enter the powder cleaning screen and permanent magnet cylinder through the discharge pit, remove the large impurities and iron impurities in the powdery raw materials, and then enter the batching bin.

[0043] (2) Crushing of raw materials

[0044] The impurity-removed granules enter different pulverizers for pulverization, and the pulverized materials are transported by screw conveyors respectively, enter their own dedic...

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Abstract

The invention discloses a livestock and poultry feed production technology for granulating powder at a low temperature after a conditioning and baking process of the powder. According to the livestock and poultry feed production technology, firstly, mixed feed in which no heat-sensitive ingredient or feed additive is added is subjected to an efficient conditioning and baking process and made into a cooked powered material; secondly, the cooked powered material is cooled, and then heat-sensitive ingredients and feed additives are added into the cooked powered material; and lastly, the cooked powdered material with the sensitive ingredients and the feed additives is granulated at the low temperature to form granulated feed. Through the livestock and poultry feed production technology, not only is power of arranged equipment relatively low, but also the activity of the heat-sensitive ingredients in the feed can be reserved to the greatest extent while the cooked powdered material is made into granules.

Description

technical field [0001] The invention relates to a production method for livestock and poultry feed, in particular to a livestock and poultry feed production process in which powder is first conditioned and matured and then granulated at low temperature. Background technique [0002] Livestock and poultry feeds generally go through the processes of conditioning, granulation, cooling, crushing, and grading from powder to pellets. Feed conditioning is to add steam before feed pelleting, and the conditioner conducts moist heat treatment on the powder, so that the powder is in a high temperature and high moisture state, which can soften the material, gelatinize starch in the feed, kill or effectively control the feed. In order to facilitate the formation of feed and improve the digestion and absorption rate of feed. [0003] However, conditioning will also cause the inactivation of active ingredients such as vitamins and enzymes that are not resistant to high temperature. There...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23N17/00A23P1/02A23P10/20
Inventor 李军国李俊秦玉昌牛力斌董颖超谷旭
Owner FEED RESEARCH INSTITUTE CHINESE ACADEMY OF AGRICULTURAL SCIENCES
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