DEVICE FOR PREPARATION AND LOADING OF BOREHOLES WITH MIXED EMULSION EXPLOSIVE Russian patent published in 2007 - IPC F42D1/08 C06B21/00 

FIELD: mining art, in particular, construction of the mixing-loading machines used for mechanized preparation of an emulsion explosive and loading of boreholes at open-pit mining.

SUBSTANCE: the device includes a hopper with a screw feeder of ammonium nitrate, vessel for emulsion, vessels for a producing additive, water and petroleum product, as well as proportioning pumps for feeding of emulsion, gas producing additive, water and petroleum product. The device is provided with a paddle mixer, whose shaft in its inlet section is aligned and rigidly coupled to the outlet section of the shaft of the ammonium nitrate screw feeder. The outlet section of the paddle mixer communicates with the inlet section of the components mixer, and a petroleum product injection nozzle is positioned on the inlet section of the paddle mixer, Besides, the device has the second duct of feed of the emulsion mixture with the gas producing additive, whose outlet is positioned at the outlet of the device, the inlets of both ducts are coupled to the outlet of the mixer of emulsion with the gas producing additive through a distributing device.

EFFECT: expanded field of application.

4 cl, 3 dwg