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Recently, well-known experts from the province's agricultural mechanization technology extension station and other provinces rely on the National 863 Project for Jiuquan Aokai Seed Machinery Co., Ltd., the State Seed Processing Equipment Engineering Technology Research Center and the Ministry of Agriculture Key Laboratory of Seed Processing Technology and Equipment. Research and Development of Intelligent Seed Drying and Refined Sorting Equipment "The research and development of" 5BY-10P batch type coating machine development, 5XYF-6.0 cylinder classifier and unit development, 5HZD-5.0 rice seed drying process and Equipment research and development "three scientific research results were evaluated by science and technology, and technology conversion applications were realized.
The 5BY-10P batch type coating machine was developed through the inspection of the dry farming machinery and equipment quality supervision and testing center of the Ministry of Agriculture and the appraisal station of the Gansu Provincial Agricultural Machinery Appraisal Station, and entered the 2014 National Agricultural Machinery Promotion Catalog, which passed the inspection of products and products. Research, authorize 7 utility model patents, and enter substantive examination of 2 invention patents. The equipment uses a unique atomizing device and a rotating mechanism with different rotating speeds in the same direction, so that the seeds thrown by the centrifugal rotation are fully combined with the high-speed rotating atomized liquid, so that the coated liquid has strong adhesion and seeds. The evenness of the coating reached 98.5%, and the crushing rate was 0.05%. At the same time, the weighing scale was used for batch weighing, the metering pump was used for feeding, the frequency of the liquid was adjusted by the frequency conversion, and the coating measurement was accurate, ensuring the consistency of 1:50 to 1:190. Accurate drug mix range. The whole machine adopts a totally enclosed structure. Dust removal pipes are installed at the entrance and exit of the seeds to ensure the net seed rate of the seed that is in the coating state again. This avoids hazards to operators and environmental pollution due to the odor of seed coating agents.
The development of the 5XYF-6.0 cylindrical classifier passed the inspection of the Ministry of Agriculture for Dry Farm Machinery Quality Supervision, Inspection and Test Center. It has formulated one enterprise standard, authorized five utility model patents, and entered substantive examination of one invention patent. The equipment's classification productivity reaches 6 tons/hour, and the seeds are divided into 2 to 4 grades in combination. The classification effect is better than other seed classifiers in the market. The classification rate of the corn seed can reach 98.5%, which plays a key role in single crop planting. According to different material processing requirements, the machine adopts dimple-shaped round holes, corrugated long holes and deep-hole long hole-shaped screen holes; the screen roller adopts high-quality wear-resistant rubber materials, and continuously beats the surface of the screen cylinder to clear and block the screen during passive rotation. The seed or debris in the hole; the cylindrical screen is fixed on the rotating shaft, and the pneumatic intermittently discontinuous cleaning mechanism is concentrically rotated with the rotating shaft, which improves the cleaning effect and increases the life of the cleaning screen roller. Effectively solves the problem of screen clogging, improves the service life of the cleaning roller, and achieves accurate seed classification.
The development of 5HZD-5.0 rice corn seed drying equipment was verified by experiments and users. The equipment has stable performance and reliable operation, and 8 utility model patents have been authorized. Based on the principle of mixed-flow drying, the equipment adopts the drying process of low-temperature, high-air volume, multi-level drying, and multi-level slow-suspending. The water goes slowly and evenly, and the waist burst rate and heat damage rate are low, and the quality of dried rice is good. Pneumatic reciprocating discharge valve mechanism is adopted to solve the problem of uniform discharge of multiple discharge outlets of a large dryer at the same time without damaging rice seeds. The combined structure can be combined according to different production and dewatering requirements to meet different precipitation rates, different production volumes and drying scale requirements. The temperature difference between different layers in the exhaust duct is used as the control basis and the closed-loop control principle to control, to achieve the function that the feed moisture is inconsistent and the moisture discharged after drying is basically the same.
The development of the three sets of equipment has achieved automatic control, stable performance, reliable operation, high degree of technological integration and innovation, and a promising market application. The promotion and application of these achievements can improve the quality of domestic corn seed processing equipment, reverse the situation in which key technology and equipment for key processing of rice seed processing rely on imports, and at the same time, promote the development of the state-level square seed production base in the province and promote the development of large-scale seed production in the province. The province has played an active role in transforming into a province with strong seed production. It also provided excellent products for China's seed industry equipment and made positive contributions to the realization of agricultural mechanization, construction of the country’s 100 billion kilograms of food production capacity, and the construction of a harmonious socialist new countryside.
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