Microwave-mechanical combined excavation device and method for hard rock metal mines

By combining dynamic and static microwave radiation systems and using a layered cutting process model, the problem of low mechanical rock breaking efficiency in hard rock metal mine mining is solved, and efficient cutting and continuous operation in the tunnel is achieved.

CN119288469BActive Publication Date: 2025-03-25NORTHEASTERN UNIV CHINA
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Patent Information

Application Number
CN202411822681.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-03-25
Estimated Expiration
2044-12-12

AI Technical Summary

Technical Problem

In the existing hard rock metal mine mining technology, mechanical rock breaking efficiency is low and it is difficult to match the on-site excavation speed, especially when the cross-sectional size of the tunnel is small.

Method used

The dynamic microwave radiation system is combined with the static microwave radiation system. Through the layered cutting process mode, the dynamic microwave radiation system swings simultaneously with the excavation device. The static microwave radiation system is radiated in a fixed-point microwave radiation in the previous layer to achieve full utilization of microwave cracked rocks in the tunnel.

Benefits of technology

It improves the efficiency of hard rock cutting, reduces tool wear, and realizes rapid and continuous microwave-mechanical operations in a narrow space.

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Abstract

The present application provides a microwave mechanical combined tunneling device and method for hard rock metal mines, including a dynamic microwave radiation system and a static microwave radiation system, wherein the dynamic microwave radiation system includes a first microwave generator, a first waveguide and a first microwave radiator, wherein the first microwave generator, the first waveguide and the first microwave radiator are connected in sequence; the static microwave radiation system includes a second microwave generator, a second waveguide and a second microwave radiator, wherein the second microwave generator, the second waveguide and the second microwave radiator are connected in sequence; the dynamic microwave radiation system and the static microwave radiation system are arranged on the tunneling device body. The dynamic microwave radiation system and the static microwave radiation system are arranged on the tunneling device body, so that the rock surface is fully cracked under the action of microwave radiation, thereby improving the hard rock cutting efficiency.
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