Livestock and poultry feed processing technology and device

Abstract

The invention discloses a livestock and poultry feed processing technology and device. The livestock and poultry feed processing technology includes the steps that raw materials are screened and smashed; then primary blending is carried out, and raw materials not needing to be smashed are added in the primary blending process; primary mixing is carried out after primary blending; the primarily-mixed materials are subjected to high-temperature tempering and puffing, wherein the temperature of high-temperature tempering is 90-100 DEG C, the time of high-temperature tempering reaches 30 s or longer, and the pressure range of a puffing cavity in puffing is 0-10 MPa; the puffed materials are independently cooled and smashed; then secondary blending and secondary mixing are carried out, and thermosensitive ingredients lost in high-temperature tempering and puffing are replenished in secondary blending; low-temperature tempering and granulating are carried out after secondary mixing, wherein the temperature of low-temperature tempering is 40-70 DEG C. The gelatinization degree of the materials is effectively increased through high-temperature tempering and puffing, thermosensitive nutritional ingredients in the raw materials are seriously lost after high-temperature tempering and puffing, the thermosensitive ingredients are replenished in secondary blending, and therefore nutritional ingredients of feed are increased.

Description

technical field [0001] The invention relates to the feed industry, in particular to a livestock and poultry feed processing technology and processing equipment. Background technique [0002] There are many kinds of processing techniques for livestock and poultry feed, and the common processing techniques mainly include "traditional livestock and poultry feed processing technology" and "livestock and poultry feed expansion processing technology", but these common processing technologies have some problems. [0003] 1. Traditional livestock and poultry feed processing technology [0004] The traditional livestock and poultry feed processing technology is that the materials are crushed, then mixed, then tempered, then granulated, then cooled, and finally packaged to obtain the finished product. [0005] In such a process, the aging section of the material mainly depends on the tempering and granulation section. In order to obtain highly mature livestock and poultry feed, it i...

AI Technical Summary

Problems solved by technology

However, its shortcomings have always existed and cannot be solved.

[0011] 1) The gelatinization degree of the material is limited:

[0012] The maximum gelatinization degree of the material can only reach 40-45%. If you want to further increase the gelatinization degree, if you want to increase the gelatinization degree to 50-60%, this process cannot meet the requirements.

[0013] 2) The loss of heat-sensitive ingredients in the feed is large

This directly leads to the ...

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