Optical fiber Raman system and method for tungsten flotation concentrate grade online detection

The invention discloses an optical fiber Raman system and method for tungsten flotation concentrate grade online detection. The method is based on a Raman spectrum technology, a flotation cell foam layer Raman spectrum online measurement device in tungsten flotation is designed, and a Raman spectrum data online processing system of foam layer minerals is constructed, so that tungsten flotation foam layer Raman spectrum related characteristics acquired in real time are extracted, a concentrate grade online quantitative calculation model is constructed, and finally, a tungsten flotation concentrate grade result is acquired online. According to the designed optical fiber Raman system, the tungsten concentrate quantitative analysis model is established on the basis of Raman spectrum feature vectors under different tungsten concentrate grades, the tungsten concentrate grade value in a foam layer is obtained in real time in the flotation process, important production and assessment indexes in tungsten flotation can