5 Bucket Rahe

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Possible Usage of Crushing Buckets in Oil Shale Mining

2015

Tallinn University of Technology

Department of mining

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Topics

• Oil shale mining in Estonia

• What are Crusing buckets

• Possible usage of Crusing buckets in Oil shale mining

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• Estonia energy independency relies on oil shale

Oil shale is importent in Estonia

Electicity

Cemistry & Oil

Cement

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Many different buckets

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Crusing pucket tests in Estonia

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TUT Pilot unit

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Experimental work in Narva open cast

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Oil shale extraction stages

1. Blasting

2. Loading

3. Transport

4. Crushing

5. Transport

6. Separation

7. Storage

8. Use

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Oil shale extraction stages with crusing buckets

1. Blasting

2. Transport>Crusing>separation>loading

3. Transport

4. Storage

5. Transport

6. Use

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Summary

• Loading, transportation, separation can be done in one stage

• If limestone can be removed in site, transportasion cost can be reduced

• Limestone remaining in the mine can be used for constructing artificial pillars.

• No more huge waste rock heaps on surface

mi.ttu.ee 26-09-2013 TTÜ Mäeinstituut

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