County Chengjiao Xiang Ru Yi Road, farmer Wei before, after eight years of research, developed a pump device to solve a Manual Backpack Sprayer anti-leak problem. Provincial Agriculture Department experts say the current 50 million units across the province, "16"-type sprayer, use only the pump unit Wei to be improved, can effectively prevent leakage, improve safety performance.
Childhood love for studying mechanical Wei was 10 years ago in the village and has established a repair shop, specialized bicycle, sprayers, Cultivator. Whenever the pest season, the most popular repair shop is the spray leak repair business. Wei was a former farm, deeply understands the hard work pest control for farmers. Sun high, farmers carrying common "16"-type sprayer, back and forth to fight drugs in the field, often water, so after a backpack, vest pesticides leaked water soaked, easily lead poisoning. He pressed farmers are worried about, determined to start from the mechanical improvements, capturing aerosol anti-leak problem.
Since 2000, Wei was tested a variety of aerosol anti-leak approach. 4 years ago, he played in a cold push pins found that the liquid and push needle between a vacuum tube, even if the syringe upside down, would not have syrup leaks. Affected by this revelation, he repeated testing, developed anti-leak pump device. Increase with the traditional method of sealing against leakage compared to a vacuum pump device using the principle of water from the piston to cylinder always keep about 1 inch of water can not went to the upper piston, even upside down and no leakage. Wei was the development of this device has obtained the national patent. This year, he signed with the local three contract manufacturers, producing more than 10,000 fixed-point set of products.
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