Old paint and ground oil stains are not handled properly, not thoroughly treated, epoxy floor paint project quality must be a problem. There are usually several ways to treat oily dirt on the ground. 1) Milling machine is completely removed, thin oil stains can still be considered, heavy oil stains to milling a very thick layer, milling cutter fees can not be afforded, customers may as well re-cast the ground. 2) local oil pollution is treated with firearms and has certain effect. 3) Solvent cleaning, this method is not very good, the surface can be washed, the inner layer can not be removed, oil or to flood up. 4) acid washing is effective, but it needs to be washed with water, and the natural drying time will be longer, which will affect the construction period. 地面上油污的简单清洁方法：
A simple cleaning method for oil pollution on the ground:
Cleaning method of edible vegetable oil drops on the ground. If it is just dropping on the ground using vegetable oil we can use detergent, detergent powder commonly used detergent for cleaning. If the long-term pollution of cement ground edible vegetable oil we can use caustic soda, special degreaser for cleaning, in the cleaning need to pay attention to prevent burns, because these cleaners are often strong alkaline, we must do a good job of protection measures.
There is mineral oil contamination on the cement floor. For mineral oil dripping on the cement surface, we can use sawdust and other things to adsorb part of the oil first, and then use degreaser, carburizer and other professional oil scavengers to remove. In addition, according to our experience, strong acidic chemicals such as hydrochloric acid have obvious cleaning effect on mineral oil pollution, such as general mechanical oil pollution in workshops and workshops, but we should pay attention to ventilation in operation to protect ourselves.
Mechanical removal of surface oil pollution:
The above two methods belong to the use of detergents to clean the oil on the cement floor, that is to say, the use of chemical reactions to dissolve the oil, but their effect is often limited, or after cleaning the cement floor will not be polluted place to form a larger contrast. In this regard, I will introduce a physical clearance method, that is, mechanical grinding. Generally speaking, the machines that can grind the cement ground include terrazzo grinder, special grinder for cement ground, milling machine, shot blasting machine, etc. Their principle is to use mechanical action will be polluted cement surface removed, exposed to new surface, has reached the role of renovation.
In summary, chemical cleaning with detergent is suitable for local cement ground contaminated by oil and suitable for self-construction, but after treatment, there will often be color difference of cement ground. The use of grinding method to remove cement ground is often more thorough, especially in the cement ground renovation, painting and other construction before it is necessary to use this way to deal with, and after the treatment of cement ground often can get better results, but we need to look for the same special construction team construction.
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