Insensitive rock microwave plasma self-adaptive rock breaking device and using method

Abstract

The invention discloses an insensitive rock microwave plasma self-adaptive rock breaking device and a using method, and relates to the technical field of rock breaking. The insensitive rock microwave plasma self-adaptive rock breaking device comprises a microwave system, a microwave plasma conversion system and a cutterhead system; a microwave system and a microwave plasma conversion system are mounted in the cutter head system, and the microwave system is connected with the microwave plasma conversion system. On the premise that only a microwave source is adopted for supplying energy, the combined effect of common microwave irradiation and plasma irradiation in a high-temperature flame form is matched with rock breaking of the full-section hard rock tunnel boring machine, the problem of microwave cracking of microwave insensitive rock is solved, and the application range of the microwave rock breaking technology is widened; a plasma torch is adopted to heat the rock at high temperature, and a common microwave irradiation method is adopted, so that the problem of microwave cracking of the rock which is insensitive to normal-temperature microwaves and sensitive to high-temperature microwaves is solved.

Description

technical field [0001] The invention relates to the technical field of rock crushing, in particular to an insensitive rock microwave plasma self-adaptive rock breaking device and a use method. Background technique [0002] Among the many rock breaking technologies, mechanical rock breaking and drilling and blasting construction are the two most commonly used. Compared with the traditional drilling and blasting method, mechanical rock breaking has the advantages of less disturbance to surrounding rock and high construction accuracy, especially in the whole Cross-section hard rock tunnel boring machine has been widely used in tunnel engineering. However, the hard property of the rock will lead to serious wear of the cutters of the full-face hard rock tunnel boring machine, and the excavation speed will be greatly reduced. [0003] In the past more than half a century, many new auxiliary rock breaking technologies have been developed, such as laser rock breaking, high pressure...

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide an insensitive rock microwave plasma self-adaptive rock-breaking device and its use method, which can realize ordinary microwave / plasma breaking for rocks with different microwave sensitivities under the premise of using a single microwave source to supply energy. The temperature of the plasma torch reaches 3000-6500K and the dynamic switching irradiation solves the problem of microwave insensitive hard rock fracturing

Images