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Rumen bypass methionine preparation technology

A methionine and rumen-passing technology, which is applied in the technical field of preparing rumen-passing methionine, can solve the problems of complex production process, high cost, discontinuity and the like, and achieve the effects of high product qualification rate, low production cost and narrow particle size distribution.

Inactive Publication Date: 2015-06-17
上海美农生物科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The general steps of the coating method are to add some auxiliary materials (such as glucose, lecithin, kaolin) to methionine and perform granulation treatment, and then use some wall materials with a low degradation rate in the rumen (such as lipids, polymers, etc.) Coating treatment of methionine; usually in order to achieve a better rumen passing effect, the product needs to be coated with multiple layers, the production process is relatively complicated and discontinuous, it takes a long time, and the energy consumption is high. At the same time, the cost is relatively high high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Heat the reactor to 90°C, open the feeding valve, add 400kg of stearic acid, turn on the stirrer, accelerate the stirring until the oil is completely melted, then slowly add 600kg of methionine under stirring. After feeding, set the speed of the homogenizer to 1500r / min, and homogenize for 3 hours. Turn on the refrigerator 5 minutes before spraying, set the temperature of the cooling chamber at 8°C, and the speed of the atomizer at 40Hz for spraying. The product is passed through a 18-60 mesh vibrating sieve, the middle layer product is collected, and the oversize and undersize are measured. The oversize ratio is 2.8%, the undersize ratio is 95.8%, and the qualified product ratio is 98.7%.

Embodiment 2

[0030] Heat the reactor to 80°C, start feeding, add 600kg of palm oil, turn on the stirrer, accelerate the stirring until the oil is completely melted, then slowly add 400kg of methionine under stirring. After feeding, set the speed of the homogenizer to 1300r / min, and homogenize for 2h. In the 5 minutes before spraying, turn on the refrigerator, set the temperature of the cooling chamber at 10° C., and set the rotation speed of the atomizer at 30 Hz for spraying. The product passes through a 18-60 mesh vibrating sieve, the middle layer product is collected, and the oversize and the obtained product are measured. The oversize ratio is 2.1%, the product ratio is 96.2%, and the qualified product ratio is 99.3%.

Embodiment 3

[0032] Heat the reactor to 85°C, open the feeding valve, add 400kg of hydrogenated oil, turn on the stirrer, accelerate stirring until the oil is completely melted, then slowly add 600kg of methionine under stirring. After feeding, set the speed of the homogenizer to 1500r / min, and homogenize for 3 hours. In the 5 minutes before spraying, turn on the refrigerator, set the temperature of the cooling chamber at 9° C., and set the speed of the atomizer at 40 Hz for spraying. The product passes through a 18-60 mesh vibrating sieve, the middle layer product is collected, and the oversize and product are measured. The oversize ratio is 2.5%, the product ratio is 94.8%, and the qualified product ratio is 982%.

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Abstract

The invention relates to a rumen bypass methionine preparation technology, methionine is dispersed in 80-90 DEG C grease for homogenizing for 2-3 hours, cooling room temperature is controlled at 8-10 DEG C for spraying, and after screening, a rumen bypass methionine product is prepared. Compared with the prior art, the rumen bypass methionine product is low in production cost, simple un process and easy to produce continuously, and is free of organic reagent, non-pollution to the environment, regular in shape, and narrow in particle size distribution, adding and premixing are easy, and the product qualification rate is high.

Description

technical field [0001] The invention relates to a process for preparing amino acids, in particular to a process for preparing rumen-passed methionine. Background technique [0002] The common production processes of rumen-passed methionine include chemical modification and coating. The general steps of the coating method are to add some auxiliary materials (such as glucose, lecithin, kaolin) to methionine and perform granulation treatment, and then use some wall materials with a low degradation rate in the rumen (such as lipids, polymers, etc.) Coating treatment of methionine; usually in order to achieve a better rumen passing effect, the product needs to be coated with multiple layers, the production process is relatively complicated and discontinuous, it takes a long time, and the energy consumption is high. At the same time, the cost is relatively high high. [0003] The basic principle of the spray cooling technology is to suspend and disperse the core material in the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/18A23K1/16
Inventor 沙晨希王剑飞黄雅李慧静
Owner 上海美农生物科技股份有限公司
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