The micro-drilling machine suitable for hilly areas was successfully developed.

The design and development of science and technology personnel in the flood control bureau is aimed at the difficulty of drinking water in rural areas. According to the principle of using 600 drilling rigs and woodworking hand drills, the essence of geological drilling rigs has been collected. After years of trials and improvements, the company has finally succeeded in investing less and quicker. The operation is simple, small and flexible, and is suitable for the micro drilling machine for drilling wells in the hilly areas. Recently, the aircraft won the second prize of the 2005 Science and Technology Achievements of Shehong County.

The drilling depth of the machine is 20 to 30 meters, the maximum diameter is 0.3 meters, equipped with diesel engine 6 to 12 horsepower, electric screw pump, etc. The whole machine weighs 160 kilograms, the production cost is 5,000 yuan per unit, and the cost per well is 10 yuan to 15 yuan. It is 3.6% of the cost of the 600 type drilling. He was promoted at the Sichuan Provincial Farmland Infrastructure Conference. Governor Zhang Zhongwei personally operated the machine and said it well.

During the “Tenth Five-Year Plan” period, 242 sets of drilling rigs have been produced. In the townships and villages of 592 villages, there are 45,651 micro-machine wells in the county, which solved the difficulty and safety of drinking water for 261,000 people, allowing farmers to drink tap water and rest assured. Water has also solved the current worry that the rural areas are only old, weak and sick, and there is no water in the family. The machine is exported to Bazhong, Pyeongchang, Renshou, and dozens of cities and counties such as Zhongjiang and Yanting, contributing to the solution of rural drinking water in the hilly areas of the province.

SZS series boiler is designed with longitudinal double drums and " D " type chamber structure. Furnace is placed on the right and convection tube bank is on the left, super heater is arranged at convection tube bank. The body is fixed on the basement by middle and both end flexible supports and make the boiler expand horizontally sideways. Around the furnace is membrane water cooling tube wall. Furnace and tube bank are totally separated by the membrane water tube cooling wall at the left side of the furnace. The back part of bundle is sparse shift structure, front part is aligned structure. Smoke from furnace outlet enters re-burning chamber, convection tube bank area and then from left front part enters spiral fine coil economizer and condenser, and finally is discharged to atmosphere through chimney.

SZS Steam Boiler

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