Triangulation of ding Xinda activated carbon

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Asked at 2021-12-22 00:07:44

The polishing slurry and processing technology of micro-abrasive slurry jet were studied. activated carbon gold mining 

Through the analysis of the physical and chemical properties of additives and their state changes under the jet, the comprehensive effects of the types and proportions of different additives, as well as the types, proportions and particle sizes of abrasive on the formation of uniform slurry, the promotion of good abrasive dispersion and the jet polishing effect were explored.activated carbon company 

The effects of different types of nozzles, polishing slurry, jet distance, jet time, different initial RA, jet pressure and jet Angle on the surface profile, material removal depth and surface quality of the workpiece were studied through polishing experiments.

The local Ra of the optical glass surface is in the range of 20nm~50nm by MASJP, and the lowest Ra is 10.24nm.

1. Combined with Zeta potential, sedimentation experiment, viscosity measurement and other methods, the influence of various dispersants on CEO and slurry suspension effect was studied.

The results showed that the formula with good stability was the appropriate concentration of mixed dispersant (NAP +SBN) or (NAP +PAM+SBN).

2. The removal rate of CEOZ slurry prepared with mixed dispersant (NAP +PAM+SBN) in the processing of K9 glass by MASJP was higher than that of other mixed dispersants.

By comparing the processing effect of MASJP with and without mixed additives, it is found that the processing effect of MASJP with mixed additives (NAP +PAM+SBN) has higher surface quality, which can significantly reduce the interface area between the polished area and the unpolished surface and increase the smooth surface as much as possible.3. Combining online observation and single factor method, the formation process of the surface features of the polished area was studied. The experimental results showed that the surface morphology of the polished area showed a W-shaped bowl structure in the vertical jet machining, and an eccentric bowl structure in the crescent shape in the oblique jet machining.Compared with the abrasive water jet machining effect, it is found that the W shape and crescent shape characteristics of the polishing region of MASJP are relatively flat, the smooth surface is larger and the surface quality is higher.

4. When applying nozzle with different outlet shapes in MASJP, it is found that the fluid ejected from the cylindrical nozzle flows out along the direction of the jet and does not disperse.

The processing area of the fan-shaped nozzle is large, the polishing area is approximately a rectangle, and the removal depth near the nozzle is larger.Hollow conical nozzle processing finished parts, the polishing area formed a hollow circle, the central part of the removal of less, the circumference of the removal of deep;The removal depth of the polishing area decreases gradually from the center to the circumference after the finished piece is processed by the solid conical nozzle. 

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