At present, there are more than 10 kinds of advanced mechanization technologies used to solve crop straws in China, including straw return, silage, ammoniation, briquetting, baling, panel making, and gasification.
1 straw returning mechanization technology
Mechanized application of fertilizers can reduce the amount of chemical fertilizers, help improve the soil and fertility, as well as protect the environment. The popularized straw returning mechanization technology is to install a straw smashing and scattering device on the combine harvester, crush the threshed straw, evenly spread it in the field, and then turn it into the soil; second, use the 1GF series reversal rake to remove the wheat mash or Rice crushed and buried into the soil.
2 Straw silage mechanization technology
Segregation of silage and air, and anaerobic fermentation, can effectively preserve the fresh and nutrient components of green straw, and increase the feeding value. It is an ideal method for storing green and green feed. Mechanized silage is the use of 9Z series silage mash mower corn stalks harvested or directly harvested with MB-220 corn silage into silage towers, silos, silos, silage silage; can also apply 9KYQ series round bale Strapping machine and straw bale silage 9BM series. At present, corn stalks and sweet potato vines are the most suitable for silage. The promotion of this technology is of great significance to the development of animal husbandry.
3 straw ammonification mechanization technology
Wheat straw is chopped and chopped by machinery, coupled with chemical and biological treatments, is a good livestock feed. When ammoniated wheat straw feed is used, the straw is crushed using a 9Z series rake or a 9R series kneading machine, and then put into a storage pit. The prepared urea solution is sprayed at a ratio of 30 cm and is uniformly mixed with the wheat straw and compacted. . If 9SA-600 type straw ammoniating machine is used, the prepared urea solution will be added into the medicine box first. After the start, the chopped wheat straw and the solution can be evenly mixed and sprayed directly into the storage pit. Each shop is 20 to 30 centimeters in length. Stepping on the real one time. When the treated wheat straw exceeds the cellar mouth into a parabola, it is fully pressed and sealed with a practical plastic film, and finally compacted with wet soil.
4 Straw briquetting mechanization technology
Mechanized straw briquetting is the use of 9YK series straw feed briquetting machine to add the crop straw with feed additives (or without additives) under high temperature and high pressure, after physical and chemical composite treatment to produce a rough feed product with high nutritional value. The product has the advantages of small feeding loss, large volume compression ratio, and easy storage and transportation. Suitable for feeding cattle and sheep.
5 straw baling mechanization technology
Wheat straw can be used as a raw material for the paper industry, but it is more difficult to transport straw and it is inefficient and costly. For this reason, it will be a good way for the paper mills in various places to use the scattered wheat stalks after being harvested to be tied in squares. The wheat baling machine can automatically pick up, bale, tie and bunch wheat stalks. The main models are SWB and 9KF series square balers. The YD-220 fixed hydraulic baler can also be used to establish a straw processing plant. It can be purchased locally and sold in bundles for sale. The economic benefits are good.
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