The constraining factors in the development of grain drying equipment are as follows: First, the agricultural labor force continues to increase. Among the 1.3 billion people in the country, 800 million are in rural areas. The vast majority of the surplus labor force is in rural areas and the pressure of surplus agricultural labor is huge. This is undoubtedly a substitute for labor grain. The growth of drying machinery has a negative impact; Second, the growth of farmers' income is slow, which will directly affect the purchasing power of farmers' agricultural machinery. Third, the import of agricultural products will increase. The decrease in exports, especially after the addition of the WTO; Fourth, the agricultural machinery support policy is not in place. At the same time, we should also clearly see the unfavorable factors in the development process of grain drying machinery: First, large investment in grain drying machinery; Second, a longer investment recovery cycle; Third, the low level of industrialization of farmers, social production The organizational service system and mechanism are far from being formed. Fourth, the raw grain has a high impurity rate, uneven moisture, and has a high quality requirement for drying machinery.
Grain drying equipment
Currently. Grain drying machinery of our country is facing a rare development opportunity: First, governments at all levels attach great importance to food production, especially in 2004 after the central government introduced a number of measures to improve farmers' enthusiasm for growing grain, promulgated and implemented the <Agricultural Mechanization Promotion Law> The formation of a favorable policy environment such as economic support, price subsidies, and tax incentives; and second, the development of agricultural industrialization is inseparable from the important aspect of mechanical drying. Large grain producers, large agricultural machinery specialists, rural cooperative economic organizations, leading companies, etc., have strong desires and requirements for mechanical drying; Third, there are many kinds of drying machinery on the market, and there are practical new types of machinery and technologies available for selection and promotion. Service support; Fourth, the rapid expansion of the combine harvester and the mode of cross-regional operation, so that a large number of grains need to be dried in a timely and rapid manner; Fifth, mechanical drying can avoid losses, prevent natural disasters, prevent the site from drying up and increase the grain miscellaneous and the grainy road Traffic safety, as well as the saving of valuable land resources, etc., The importance of developing grain drying machinery began to be widely recognized.
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Select and use the grain drying equipment Note the following: 1. The capacity of the dryer is compatible with the scale of production of agricultural operators; 2. Different types of dry cereals, different types of grain (such as seeds, commercial grains, etc.) after drying, have special models or applicable models, low temperature circulating grain dryer is especially suitable for rice drying; Dried cereals. Need to go through the election to remove impurities. If you mix a lot of debris, it will affect the flow of grain. Cause uneven drying, excessive debris blocking the screen, will reduce the drying efficiency; 4. When the drying temperature is different from the ambient temperature, the drying is completed and it is not appropriate to open the grain immediately. Otherwise, it will affect the subsequent processing quality of the grain (such as the explosion of rice grains and the increase of broken rice). Drying equipment, especially drying equipment with a low degree of automation, operating procedures are generally: starting up, starting from the end of the process in order to start the work of parts or equipment; shut down, then in turn from the entrance of the process to close the work part or equipment.
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