Mg-22 magnesium anode wholesale price

  Control of mg-22 magnesium anode price wholesale preferential price smelting process: magnesium is a very active element, which is easy to be oxidized (burned) in the smelting process
When magnesium burns, a layer of magnesium oxide film is formed on the surface
Magnesium oxide is a good thermal insulation material, loose and porous, and emits a lot of heat when magnesium burns
However, due to the thermal insulation effect of magnesium oxide, it is difficult to dissipate these heat, and the external cold air is not easy to come in, This will cause a vicious circle, make the surface temperature rise sharply, and the oxidation of magnesium solution will become more and more serious
Therefore, in the process of magnesium alloy melting, appropriate methods should be used to isolate the magnesium melt from the air
Generally, there are flux protection and gas protection

Flux protection: the covering agent mentioned above

Gas protection: mainly SF6, SO2 and other gases
Their protection method is to form a dense film on the surface of the alloy liquid to isolate the air

Mg+SO2→ MgO+MgS
Mg+O2 → MgO
MgO+SF6 → MgF2+SO2F2
  Mg-22 magnesium anode wholesale price
When using FS6 gas protection, if it contains water vapor, it will greatly aggravate the oxidation of magnesium and generate toxic gas HF

Removal of inclusions in magnesium alloy: there is a certain density difference between inclusions in magnesium alloy and melt
After adding solvent, the solvent adsorbs the inclusions and then naturally settles at the bottom of crucible

Attention should be paid to safety in the casting process of magnesium alloy
Production personnel are required to use masks and labor protection clothes
The harm of water vapor should be strictly controlled in the casting process
As long as there is water vapor, it will increase the risk of melt explosion and fire, especially when the water vapor contacts with magnesium melt, it will produce potential explosion source H2

H2O+Mg（L）=MgO+H2+Q
H2+O2=H2O+Q
The continuous heat release of this cycle makes the temperature on the surface of magnesium melt rise sharply, resulting in the combustion and explosion of magnesium melt
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  Mg-22 magnesium anode wholesale price
Construction requirements of magnesium alloy sacrificial anode , The first is the requirements for the burial of sacrificial anode: prepare the filler, prepare and mix it evenly according to the proportion, and put it into a cotton bag with a diameter of 30cm and a length of 1m; Clean the anode surface as required, and then insert it into the center of the prepared packing material for compaction The outside of the packing material shall be bound firmly, and it can be placed horizontally or numerically
It shall be buried at the same depth and two to three meters away from the protected pipeline
Finally, the anode pit shall be filled with fine soil prepared for harpy mixed with salt
When connecting cables with other devices, tin welding shall be adopted, except for the connecting wires in the junction box
Before tin welding, the anti-corrosion insulation layer shall be stripped and the surface shall be cleaned; Insulation and anti-corrosion treatment shall be done for the welding points after welding; The burial depth of cable shall be the same as that of pipeline
The reserved length of the cable must be long enough, about 0
8m
The reserved length cannot be added with a protective tube, so as to facilitate the ground detection data of the junction box during future maintenance; The landfill of junction box shall be filled and waterproof treatment shall be done
The color of the cable shall be differentiated, and there shall be permanent marks around the buried position of the anode

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