Arc plate zoom adjustable shrinkage cavity used for coal-fired power plant primary air pipe and work method thereof
A plate scaling type, coal-fired power plant technology, applied in the direction of pipe elements, pipes/pipe joints/pipes, mechanical equipment, etc., can solve the problems of easy accumulation of pulverized coal, failure of adjustment effect, shortened service life, etc., to eliminate pulverized coal Accumulation zone, throttling effect is moderate, reducing the effect of regulating resistance
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[0023] The present invention will be further described in detail with reference to the accompanying drawings and embodiments. The following embodiments are for explaining the present invention and the present invention is not limited to the following embodiments.
[0024] Examples.
[0025] See Figure 1 to Figure 2 In this embodiment, the arc-shaped plate for the primary air duct of a coal-fired power plant includes a zoom-type adjustable shrinkage mechanism 2 and an actuator 3. The zoom-type adjustable shrinkage mechanism 2 is located in the primary air Inside the tube 1, and the zoom-type adjustable shrinkage mechanism 2 is in contact with the actuator 3; the zoom-type adjustable shrinkage mechanism 2 includes a lifting link 21, a triangular arc plate 22, a connecting buckle 23, a connecting rod 24, and a sleeve 25 With the adjusting cam 26, the tip of the triangular arc plate 22 is connected with the upper end of the lifting link 21, the lower end of the lifting link 21 is con...
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