Method for producing silage by using dry yellow cornstalks

A technology of corn stalks and dry yellow, which is applied in animal feed, animal feed, application, etc., can solve the problems of high processing cost and limitation of large-scale application, and achieve the effect of increasing the window period and expanding the range of raw materials

Active Publication Date: 2013-12-25
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AI Technical Summary

Problems solved by technology

Although in theory, corn stalks can be used as raw materials for direct combustion power generation, biogas, cellulosic ethanol and other products, but its high processing cost limits its large-scale application

Method used

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  • Method for producing silage by using dry yellow cornstalks
  • Method for producing silage by using dry yellow cornstalks
  • Method for producing silage by using dry yellow cornstalks

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Embodiment Construction

[0012] The present invention will be further described below by embodiment.

[0013] The variety is Zhengdan 2016. Naturally air-dried corn stalks are crushed to a length of 3 to 5 cm. Squeeze the chopped corn stalks and add water to adjust the moisture content to 50%. Then weigh 1 kg and add it to the steam explosion reactor for pretreatment. . The pretreatment pressure is 0.6, 0.8, 1.0, 1.2 and 1.4MPa, and the treatment time is 5 minutes. After the treatment is completed, quickly open the ball valve at the bottom of the reactor to squeeze out the material in it. After cooling, measure the water content and the components in it. and degradant content.

[0014] The mass moisture content of the sample without steam explosion pretreatment was adjusted to 70%, and the moisture content of the steam-exploded corn stalk was adjusted to 70% by adding different moisture according to the measured moisture content. The samples were put into plastic bags respectively, about 5 kg per ba...

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Abstract

The invention discloses a method for producing silage by using dry yellow cornstalks. The method for producing the silage by using the dry yellow cornstalks comprises the steps that preprocessing is carried out on the dry yellow cornstalks through low-strength steam explosion, hemicellulose of the dry yellow cornstalks is partly degraded into monosaccharide and oligosaccharide, the shielding effect of lignin and the hemicellulose on cellulose is partly removed, the water content of the cornstalks after steam explosion is adjusted, and fermentation storage is carried out under the anaerobic condition. When the method for producing the silage by using the dry yellow cornstalks is adopted, the existing situation that ensiling operation cannot be carried out on the dry yellow cornstalks, and a certain amount of inoculant or enzymic preparations need to be added to the dry yellow cornstalks is changed, anaerobic fermentation can be carried out on the dry yellow cornstalks to produce the high-quality silage, the range of the raw material sources of the silage is expanded, the processing window period of ensiling operation is prolonged, and commercial production of the silage becomes possible.

Description

technical field [0001] The invention belongs to the technical field of crop stalk feed processing, and specifically relates to a method for producing silage by using dry yellow corn stalks through steam explosion pretreatment. Background technique [0002] Silage is a kind of feed with good palatability, high digestibility and rich nutrition prepared under airtight and anaerobic conditions through microbial anaerobic fermentation treatment of chopped fresh straw and other plant materials. The main purpose of making silage is to smooth out the long-term storage of green stalks during the vigorous growth period or just harvested fruiting bodies, so as to feed livestock when the feed is in short supply in winter and spring. It is an effective method to ensure the supply of green feed for livestock. According to the changing law of plant physiology, after the straw is harvested, the respiration is strengthened, the nutrients such as easily digestible protein, soluble sugar and v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/14
CPCY02P60/87
Inventor 贾晶霞李建东高波李雷霞赵永亮赫志飞杨薇
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