How do you retrieve your polycrystalline silicon rods once they have grown?
Thread Content
Could someone explain how the silicon rods are removed after they have grown? Is it done by hitting them with a hammer directly? Would that contaminate the silicon rods? What if the rod is in an inverted position when the furnace is started?
Use a robotic arm to pick it up; if that doesn’t work, just use a crane to lift it :)
Robots, or using hands directly, will contaminate the silicon rods, right?
During the growth of silicon rods, attention should be paid to their diameter; if they are too thick, it is easy for the robotic arm to come into contact with them and cause contamination
Currently, the robotic arms are not being used effectively; disassembly is basically done manually. It is dropped from the furnace using a crane, then manually lifted down, weighed, and transported to the post-treatment section.
It involves manually removing the silicon rods, which seems a bit outdated: L
For robotic arms, or those operated manually, contamination is only on the surface; it can be removed during post-processing cleaning, so there’s no problem.
Manual, but great care is required; only the surface is contaminated, and it has no impact on the quality of polysilicon
We just remove it manually; the workers put on gloves, break the rod apart, and take it off...
Does anyone have the dimensions and drawings of the robotic arm?
Robot arm? I haven’t seen it done any other way yet; we always carry out the disassembly manually, and it seems to be a convenient and fast process. However, the operation does cause some contamination on the surface of the polysilicon, but it can be cleaned off, and then everything will be fine. When the circuit is open, the reduction furnace can be lifted a little to check whether the silicon rods inside have fallen over; if not, the furnace can be started normally, but otherwise caution is needed – no one should stand around