Complex salt rock underground and water dissolution joint cavity construction method
A salt rock and water-soluble technology, applied in the direction of earth drilling, mining equipment, mining equipment, etc., can solve the problems of difficulty in cavity construction, difficulty in ensuring the stability of the cavity, and difficulty in controlling the shape of the cavity in an effective and timely manner. Improve the usable volume and improve the overall economic efficiency
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[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0027] A complex salt rock drilling and water-solution combined cavity building method, the method includes the following steps:
[0028] 1) In the site selection of the rock salt storage, arrange the water-soluble drilling in the storage according to the regular hexagon (such as figure 1 shown).
[0029] 2) Water-soluble drilling drills through the target salt rock formation.
[0030] 3) Lay out the underground shaft in the center of the regular hexagon (such as figure 2 shown).
[0031] 4) The shaft is excavated to the bottom of the target rock-salt layer to ensure that the slope of the line connecting the bottom of the shaft and the bottom of the water-soluble drilling is greater than 1%.
[0032] 5). Excavate a connecting roadway from the bottom of the underground shaft to the bottom of the water-soluble drilling (such as i...
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