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Technical characteristics of screw type industrial chillers
The use of mold transfer to the mold to tighten the head, that is, the machine can keep the high-pressure mode-locked but not on the lock. The pressure of the high-pressure lock to the maximum flow
Thread a rectangular, trapezoidal and sawtooth, trapezoidal screw jacks are commonly used. Trapezoidal thread form an isosceles trapezoid-shaped tooth angle α = 30o, internal and external thread trapezoidal thread with tapered snapping easy to loose; its basic tooth shape according to GB / T5796.1-2005 requirements. The self-locking jack line can better, so with a single thread. Therefore, the choice of screw threads are tooth-shaped angle α = 30o singlet trapezoidal thread.
Since 2006, the whole country to strengthen energy conservation work, the State Council issued a decision to strengthen energy conservation, development of a series of policies and measures to promote energy conservation. "Eleventh Five-Year Plan" put forward the "Eleventh Five-Year" period to reduce energy consumption per unit of domestic production by about 20%, the total discharge of major pollutants reduced by 10%, the national domestic waste water treatment rate of no less than 70% of the binding indicators. This is to implement the scientific concept of development, major initiative to build a socialist harmonious society; is to promote the adjustment of economic structure, transform the mode of growth the only way.
Fuzhou Strait Library is located at the north shore of Minjiang Riverside Road, construction area of 58,000 square meters, a total of eleven floors. The project is the Fuzhou municipal government, "second five" key construction projects of public cultural facilities, collection capacity of up to 5 million books, reading seats 3000, functional design includes internal lending area, children's activity area, the old reading room, depending on the barrier reading room, animation experience room, audio-visual room, 24-hour self-circulation systems, and many other user-friendly design, its management philosophy, functional layout, etc. clients achieve world-class library requirements.