Baoji Dynamic Industry Co., Ltd. has professional production equipment, advanced and mature technology, perfect quality system and testing system, the following professional technical personnel for you to introduce the specific steps of titanium tube hole cleaning:
1. in addition to oil: after cooling coiling pipe surface oil with metal degreasing agent to remove, to pay attention to check the inner hole easy to deposit oil location, clean thoroughly.
2. Pickling: the purpose of pickling is to remove the oxide scale produced by annealing inside and outside the titanium tube. At room temperature, a certain amount of clean water is first put into the pickling tank, and then appropriate amounts of HNO3 and HF are added. The normal ratio of HNO3 and HF water is (35%-45%HNO3+5%-8%HF+ residual H2O), and corresponding adjustments should be made according to the actual situation. Pickling time is 10-15 minutes, can also depend on the pickling condition. Pickling process should be frequently turned, frequently checked, pickling uniform, complete, beware of pickling or less pickling.
3. The inspection of titanium tube after pickling adopts visual method. The oxide scale of the outer surface of titanium tube can be removed clean and silver white.
4, scour: titanium tube after pickling inspection qualified to timely scour, so that the inner hole and the outer surface of the residual acid and pickling to remove clean, titanium tube details character bright.
