Novel pressurization type powdery accelerator adding device
A technology for adding devices and accelerators, applied in shaft equipment, shaft linings, tunnel linings, etc., can solve the problems of insufficient compactness of powder accelerators, strong smell of liquid accelerators, and inability to resist impact, etc. It is easy to popularize and implement, and it is beneficial to adjust the spring pressing mechanism and increase the effect of compactness.
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[0016] Example: see Figure 1-Figure 3 , in the figure, 1-spray pipe, 2-spray cavity, 3-compression sleeve, 4-spring, 5-press plate, 6-trachea, 7-interlayer chamber, 8-screw shaft, 9-down hopper, 10 -housing, 11-fixed frame, 12-intake pipe, 13-threaded shaft section, 14-lock nut, 15-radial stop rod, 16-axial stop rod, 17-notch.
[0017] The new pressurized powder quick-setting agent adding device contains a screw propeller, and the screw propeller is composed of a casing 10 and a screw shaft 8, wherein: the screw shaft 8 is provided with a screw blade, and the upper part of the head end of the casing 10 communicates with the lower hopper 9 , the tail end of the casing 10 is movably connected with the injection chamber 2, the tail end of the injection chamber 2 is provided with a spray pipe 1, the outer wall of the tail of the casing 10 is provided with a sandwich chamber 7, and the side wall of the sandwich chamber 7 is provided with There is an air intake pipe 12, the other ...
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