Medical titanium rod It is easy to burn, especially titanium sheet. The chemical activity of medical titanium bar in alkaline solution, the high temperature of the whole alkaline solution or the local temperature of medical titanium bar when it is washed in alkaline solution containing oxidant are the causes of titanium burn. The results show that there is a battery effect due to the potential difference between titanium alloy tool and steel tool in alkaline solution. When titanium contacts steel, a current is formed. The smaller the contact point, the greater the current. Medical titanium rods are often burned from the contact point of two metals.

The following measures can be taken to prevent and reduce the fire of medical titanium bars during alkali washing:

1. Select a qualified alkaline solution for composition;

2. Strictly manage and control the temperature of alkali liquor;

3. Insulate the alkali washing rack with high-temperature resistant coating or high-temperature resistant insulating gasket. For example, the stainless steel alkali washing rack can be padded with ceramic strips or pieces to separate titanium materials from the steel frame, so as to avoid fire.

In the process of alkaline washing of medical titanium rod, the alkali liquor is constantly taken away or evaporated by the workpiece. Therefore, we need the enterprise to supplement the alkali liquor, develop the analysis and adjustment in time, and keep the alkali liquor composition relatively stable. In the process of alkaline washing, insoluble oxide slag precipitates at the bottom of the tank, affecting the good thermal conductivity of the tank. The gap caused by precipitation makes the steel tank prone to electrochemical corrosion, greatly shortening its service life. Therefore, the sediment shall be cleaned in time. It is a common method to collect dregs at the bottom of such a social activity trough. When it is necessary to eliminate these deposits, simply lift the bottom of the teaching activity trough away.

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