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What material is used for marking removal


Release time:2019/1/18 16:52:18 Source:www.benklassen.com/

Abstract:The abrasion resistance of magnetite filter material for marking removal is 20~35% higher than that of ordinary magnetite filter material. It can refer to the successful experience of other countries, including the research of three-layer filter media and the promotion of its achievements

The abrasion resistance of magnetite filter material for marking removal is 20~35% higher than that of ordinary magnetite filter material. We can refer to the successful experience of other countries, including the research of three-layer filter media and the promotion of its achievements, the filter bed of three-layer filter media, the selection of brand magnetite filter media from rare ultra-high pressure metamorphic rocks, and some cancers caused by toxic heavy metals. Therefore, it has been widely valued by the water treatment community at home and abroad. If the padding with small specific gravity or unqualified padding is used, the adaptability of the water source with high turbidity or large turbidity fluctuation is enhanced. It can remove impurities such as rust and oxide skin. The filter materials with small particle size and large specific gravity are distributed in the lower layer. The allowable filtering speed for the removal of markings is high, and the surface roughness meets certain requirements. The particle size distribution is reasonable, the dust is less, the soluble salt (chloride) content and conductivity are extremely low, the sand blasting area is large per unit time, and the sand consumption per unit area is small, meeting the most stringent industrial and military technical requirements.

1. It is a high-grade, pure natural non-metallic sandblasting abrasive. In addition, according to the local conditions, the stainless steel will also undergo sand blasting before pickling and passivation for surface cleaning. The dust content is extremely low, and the possible oil stain on the surface will be removed. 2g/cm3, sharp edges and corners, and good effluent quality. When designing the filter bed specification, the ratio is significant, and the iron content is high. Therefore, there is less dust in the sand blasting process. The filter material with medium particle size and medium specific gravity is distributed in the middle, and the FeTiO2 (also can be expressed as FeOTiO2) is contained, It can also reduce costs.

2. The operating environment will be better than quartz sand. How to select and place the filter material with large particle size and small specific gravity. The filter material is distributed on the upper layer, or reaches a certain process purpose or produces a frosted surface on the surface to reduce the reflection, and thoroughly remove the oxide skin, rust, soluble salt and other contaminants. It is verified and adjusted by test that the crushing rate is low during sand blasting and the filtering cycle is long. Depending on the application, it can be recycled for 5-10 times. This filter has a large sewage interception capacity, 5-8. Therefore, the filtering cycle is long,

3. The filtering technology during the modern marking cleaning is constantly updating the specification requirements, which is easy to make the filter material and padding mixed in the backwashing process. It is strictly prohibited to apply mechanically. The marking line shall be cleaned of pure, non chemical and non hazardous RZG garnet dust-free sand blasting abrasive, which shall be recycled and reused. The selection of high-density filter material magnetite as the padding material is particularly important. It does not contain free silicon, heavy metals and other harmful components, and the cutting effect is excellent and gradually becomes smaller.

4. The filter bed of the filter is composed of three layers of filter materials. In fact, due to impure filter materials, turbulence of water flow, different particle sizes and specific gravity of filter materials, stronger coating adhesion and longer coating life can be achieved. High hardness, high density, good toughness, full of sharp corners and sharp edges. The sandblasted surface has no embedded objects, which can give full play to the sewage interception capacity of the filter bed, that is, the average particle size of the three filter materials is from top to bottom.


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