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Chicken manure puffing processing technology

A processing technology, chicken manure technology, applied in the field of chicken manure expansion processing technology, can solve the problems of not being able to become protein feed for various animals, long processing time, loss, etc., to achieve an increase in the average digestibility of amino acids and a short production and processing cycle , The effect of improving protein dissolution rate

Inactive Publication Date: 2013-04-24
张很文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chicken manure feed is not mass-produced in various existing processes, and limited by certain conditions, it cannot be used as protein feed for various animals
The conventional chicken manure feed production process is mainly the fermentation method, which is fermented by straw starter or em bacteria or gold baby fermentation aids. In addition, there are physical methods and chemical methods, but these methods take a long time to process and emit odor. It pollutes the environment and causes a large loss of nutrients, so it is not suitable for large-scale production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Fresh chicken manure is used as raw material, and the chicken manure is dried through a dryer until the water content of the chicken manure is 30%; it is fed through a feeding device; it is tempered through a conditioner, and the addition of steam is used for conditioning, and the amount of steam added is 35%, the working pressure of the boiler is 1.4Mpa, and the conditioning time is 220s; a single-screw extrusion extruder is used for puffing, wherein the working chamber pressure of the puffing machine is 200Mpa, the temperature is 160°C, the screw speed is 360 rpm, and the screw The aspect ratio is 18:1 and the compression ratio is 3:1.

Embodiment 2

[0025] Fresh chicken manure is used as raw material, and the chicken manure is dried through a dryer until the water content of the chicken manure is 35%; it is fed through a feeding device; it is tempered through a conditioner, and the addition of steam is used for conditioning, and the amount of steam added is 40%, the working pressure of the boiler is 1.6Mpa, and the conditioning time is 250s; a single-screw extrusion extruder is used for puffing, wherein the pressure of the working chamber of the puffing machine is 220Mpa, the temperature is 140°C, the screw speed is 380 rpm, the screw The aspect ratio is 20:1 and the compression ratio is 3.5:1.

Embodiment 3

[0027] Fresh chicken manure is used as raw material, and the chicken manure is dried through a dryer until the water content of chicken manure is 38%; it is fed through a feeding device; it is tempered through a conditioner, and the addition of steam is used for conditioning, and the amount of steam added is 45%, the working pressure of the boiler is 1.2Mpa, and the conditioning time is 270s; a single-screw extrusion extruder is used for puffing, wherein the working chamber pressure of the puffing machine is 240Mpa, the temperature is 120°C, the screw speed is 400 rpm, the screw The aspect ratio is 22:1 and the compression ratio is 4:1.

[0028] After testing, the comparison of the chicken manure feed produced by the process of the present invention with the chicken manure feed produced by the common fermentation process is as shown in table 1:

[0029] Table 1 The chicken manure expanded feed detection index of the process of the present invention is compared with the common ...

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PUM

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Abstract

The invention provides chicken manure puffing processing technology. The chicken manure puffing processing technology comprises the following steps: fresh chicken manure is adopted as raw materials, and the water content of chicken manure reaches to 25%-40% after the chicken manure is dried by a dryer; feeding is achieved through a feeding device; through hardening and tempering of a conditioner, steam is added for hardening and tempering, the add amount of the steam is 30-50%, working pressure of a boiler is 0.8-2MPa, hardening and tempering time is 180-300s; and puffing is carried out through the adoption of a single threaded rod extrusion type bulking machine, wherein pressure of a working chamber of the bulking machine is 150-300MPa, the temperature is 100 DEG C-200 DEG C, the rotating speed of a threaded rod is 300-450 revolutions per minute, length-diameter ratio of the threaded rod is 15-25:1, and the compression ratio is 2-5:1. The crude protein content, pepsin digestibility, the protein dissolution rate and amino acid average digestibility are all greatly promoted, and at the same time, the productive process is clean and environment-friendly, environmental pollution is reduced, production and processing cycles are short, the processing technology is suitable for large-mass industrial production, and economic benefits of enterprises are improved.

Description

technical field [0001] The invention belongs to the field of feed processing, and in particular relates to an expansion processing technology of chicken manure. Background technique [0002] Chicken manure has the highest protein content in animal excrement. Chicken manure is a cheap low-energy protein feed, which can greatly improve the economic benefits of animal husbandry, reduce pollution, purify the environment, and form an ecological industrial chain. Chicken manure feed is not produced on a large scale in the existing various processes, and is limited by certain conditions and cannot be used as protein feed for various animals. The conventional chicken manure feed production process is mainly the fermentation method, which is fermented by straw starter or em bacteria or gold baby fermentation aids. In addition, there are physical methods and chemical methods, but these methods take a long time to process and emit odor. Not only pollute the environment but also cause ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/00A23P1/14
Inventor 张很文
Owner 张很文
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