Floatation machine reachs flow of quartz arenaceous floatation in the application in plan of quartz arenaceous floatation
Floatation machine applies to coloured black metal choose not, metal of usable still Yu Fei if: Coal is jade-like stone stone, steatitic choose not. In floatation machine, via joining the ore pulp after drug is handled, aerate through agitate, make among them certain mine bead is originallying optionally on bleb; Float is blown to go out to ore pulp surface fashion bubble product, others is withheld in ore pulp, in order to achieve detached and mineral goal. Quartz is arenaceous choose the method that also does not need to use floatation machine to undertake. Before quartz arenaceous floatation, general need undertakes swabbing, take off mud, or wait for methodological eliminate ferreous with machine of table, magnetic separation mineral, undertake floatation again next, in thick ore pulp of the preexistence before floatation puissant agitate, in order to obliterate quartz exterior ferric oxide is filmy, use fatty acid next kind catch float receiving a dose to contain iron ore substance, the product inside groove is quartz concentrate.
The composition with arenaceous quartz is more complex, divide among them outside containing iron ore substance, often micaceous, feldspar and clay mineral wait. Differ according to composition, the flow of quartz arenaceous floatation can be divided following 8 sort.
(1) first cloud drift mother again float contains iron ore substance final float is feldspathic. Use first vitriolic adjust ore pulp PH to arrive 3 ～ 4, catch mica of floatation receiving a dose with amine, use hydrochloric acid to adjust ore pulp PH to 4 ～ next 5, make with sulphonating oil catch floatation receiving a dose to contain iron ore substance, use fluorine hydracid to adjust PH to 2 ～ finally 3, make with amine catch receive a dose, floatation feldspar. Quartz yields with gangue form.
(2) the order that contains iron ore content, micaceous, feldspar by float undertakes. Use catching the order that receives a dose is amine of — of amine of sulphonating oil — .
(3) first the float after float contains iron ore substance is feldspathic, gangue is quartz concentrate. It applies to micaceous content little quartz is arenaceous.
(4) only float contains iron ore substance, earning gangue is quartz concentrate. Oil of the Er that use appropriate is made catch receive a dose, use sodium carbonate to adjust PH to 8 ～ 9, after floatation contains iron ore substance, gangue is quartz. Mica and feldspathic circumstance are done not have to fall in raw ore, or raw ore contains feldspar little, when not was necessary to depart, using this kind of simple technological process have profit.
(5) quartz is arenaceous in contain feldspar relatively a long time, adjust the PH of ore pulp 7 ～ 8 make with fatty acid catch receive a dose, after floatation contains iron ore substance, add fluorine hydracid and amine floatation feldspar, 7 ～ are in ore pulp PH finally 8 when, make with amine catch quartz of floatation receiving a dose.
(6) adjust the PH of ore pulp 7 ～ 8, undertake the floatation of iron ore content with sulphonating oil, it is 7 ～ in ore pulp PH next 8 when, with amine floatation quartz. This plan is applied to there is feldspar in raw material, or its content is very few, without the circumstance of necessary depart.
(7) make with amine catch receive a dose, mixture floatation quartz and feldspar, fluorine hydracid and amine floatation feldspar are added when mixture concentrate is detached, gangue is quartz essence of life.
(8) stone of president of the reentry after content of float iron ore and quartz mix floatation. It is applied to contain iron tall quartz is arenaceous.
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