In the process of sand and gravel production, with the gradual reduction of natural sand and gravel, artificial sand gradually replace natural sand and gravel has become an inevitable choice. As the working environment of sand making machine is relatively bad, or the standby time is long, it is prone to rust. Rust will seriously affect the working efficiency and service life of sand making machine. Therefore, how to remove rust is a very serious problem. In the end how should the construction waste crusher rust removal, the following on the specific description. First, we must understand that the sand making machine, crusher, grinder etc. most of mine equipment, the basic material is steel, if long time outdoor work or in full water vapor environment, especially coupled with a period of inactivity, then the body rust is a very normal chemical the phenomenon of. That some people will ask, why is the machine internal rust, which is due to the inner wall and greater hardness of rock and ore friction in the crushing process, the material will be the wall scraping scratches, if left for a long time is easy to rust. Rust should be dealt with in time to prevent rusting for a long time, causing damage to the machine and affecting the normal use of the sand machine. 1, chemical derusting is: using acid and metal oxide chemical reaction method, thus get rid of rust gold ore crusher of metal surface, known as pickling rust, the rust must be and can only operate in the workshop; 2, high pressure water abrasive derusting: use of high pressure water jet impact (with Abrasives grinding role) and water lever effect, remove the sand machine steel plate corrosion and coating. The utility model is characterized in that the utility model has the advantages of no dust pollution, no damage to steel plates, and greatly improved rust removing efficiency, and can reach more than 15m2/h, and the quality of derusting is good. But after the rust of the steel plate easy to rust, paint must be painted with wet rust coating, coating on the general performance of a greater impact; 3, small pneumatic or electric rust removal: mainly to electric or compressed air as the driving force, assembly of appropriate rust removal device, reciprocating movement or rotation, in order to adapt to various occasions rust requirements; 4. Apply anti oxidation paint: apply mineral oil on the surface of iron products, paint or burn enamel, spray plastics, etc.. A coating of metal, such as zinc, tin, chromium and nickel, is plated on a steel surface by electroplating and hot dipping. These metal surfaces can form a dense layer of oxide film that prevents rusting of iron products from contact with water, air, and other materials. Chemical methods can also be used to produce a dense and stable oxide film on the surface of iron products to prevent rusting of iron products. Maintenance is also the most important part of equipment use, and must be paid attention to. At the same time, scientific methods are needed to guide. Only in this way can we keep the old appearance and vitality of the construction machinery and equipment.

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