Sound wave shock and pulse combustion type pressing crack apparatus
A pulsed combustion and acoustic wave technology, applied in the fields of production fluids, wellbore/well components, earth-moving drilling, etc., can solve the problem that the fracturing effect of fracturing bombs is difficult to meet the requirements, the peak combustion pressure rises quickly, and the combustion time of gunpowder is short, etc. problems, to achieve the effect of shortening the construction period, long pressure duration, and easy construction operation.
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[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments.
[0022] as figure 1 As shown, the preferred embodiment of the present invention includes two ignition powder columns 2 , two main charge columns 4 , a lower cover 1 , an upper cover 7 , two electric igniters 3 , steel ropes 9 and suspension rings 10 . Both the ignition charge and the main charge 4 are cylindrical charges cast by solid propellant, the charge has an axial center hole 6 and a radial through hole 5 and the outer wall has four mutually 90° The semicircular groove 11, the central hole 6 and the radial through hole 5 communicate with each other (see figure 2 ). according to image 3 As shown, the diameter D of the ignition charge 2 and the main charge 4 is 102 mm, the length L of a single main charge 4 is 1.2 mm, the diameter d of the axial central hole 6 is 30 mm, and the radial through hole 5 diameter d k =0.6d=18; t...
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