Development of a acoustic Geo-Scanner for detection of loose rocks and and boundary layers

Transcription

1 Development of a acoustic Geo-Scanner for detection of loose rocks and and boundary layers TU Clausthal 1

2 Control of excavation prozess The development of the acoustic Geo-Scanner is the basis for comprehensive innovation processes and devices in mining industry.! Assistance systems for the control in selective mining processes! Automatization of conveyor and production processes! New site investigation procedures in the geotechnical application Control of continuous conveyor Prozess Control of dump design TU Clausthal 2

3 The acoustic procedure of the GEO-SCANNER is based on the physical principle of the frictiondependent structure borne sound behavior. The rock properties are detected directly at the excavation-tool with vibration sensors. The measuring is processed and distributed in real time. TU Clausthal 3

4 The acoustic method offers permanent availability, real time data processing and simple implementation in standard mining machinery. The technology and the used system components distinguish through:! Mechanical resistance! Weather independence! Resistant against contamination! Light independence! Continuous availability TU Clausthal 4

5 With fundamentals investigations is created a wide and established data basis for the interpretation of further application studys. In preliminary and concurrent fundamental investigations actuating various parameter analyzed:! Rock properties! Influence from the properties of different excavation-tools! Effect of different excavation processes! Interference sources SpekGM_U1 SpekGM_U2 SpekGM_U3 SpekGM_U4 SpekGM_U5 SpekGM_U6 SpekGM_BK4 SpekGM_BK5 SpekGM_BK6 SpekGM_BK1 SpekGM_BK2 SpekGM_BK3 SpekGM_S1 SpekGM_S2 SpekGM_S3 SpekGM_S4 SpekGM_S5 SpekGM_S6 SpekGM_G1 SpekGM_G2 SpekGM_G3 10^ khz TU Clausthal 5

6 Development at the bucket wheel excavator The acoustic detection of the materials realized with piezo-sensors which are integrated in the cutting edges of a excavator shovel. The goals of the development are:! Replacement of the visual material recognition through the Geo Scanner! Control of the cut tracking! Control of the material streams in continuous conveyer chains! Integration from the real detected geological data's in the deposit model TU Clausthal 6

7 Cooperation projekt with: INGENIEURBÜRO DR.-ING. V. PATZOLD Naßbaggerei, Tagebau auf Steine und Erden, Umwelttechnik The Geo-scanner for the gravel and sand mining with dredging technology In the gravel and sand mining through dredging is the visual material detection constricted in excavation post processes. The development of the Geo scanner for the application underwater contributes to the:! Increase of the efficiency in the gravel and sand production! Resource care! Supply security TU Clausthal 7

8 Gesellschaft für Montanund Bautechnik mbh Acoustic application in cone penetration testing Cone Penetration Tests are used as standard procedures for site investigation. The Geo-scanner is implemented in cone penetrometer and used in various field research projects. With the application of the Geo-scanner can be the information of exploration results is specified. RK Hz TU Clausthal 8