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The importance of disposing of waste emulsions
Release time:
2023-02-06
The impact of waste emulsion treatment in the mechanical manufacturing industry is very important. Metal cutting processes use a large amount of emulsion for lubrication and cooling. After a period of use, the emulsion will become wastewater and be discharged. Next, let me give you a detailed introduction to the treatment of waste emulsion: The emulsion mainly contains engine oil and surfactants, which are prepared by diluting the emulsified oil with water as needed and adding emulsifiers. In order to improve the rust resistance of the emulsion used in machine tool cutting, sodium nitrite and other additives are also added. At present, demulsification is carried out in the oil collecting tank of the original acid-base system. Sodium humic acid is used as the demulsifier. The wastewater after demulsification is sent to the acid-base system pre sedimentation tank for oil-water separation. Due to the short residence time and natural separation, the separation effect is poor, resulting in high oil content in the sludge precipitated by the acid-base system, which often causes blocking of the inclined plate of the sedimentation tank and the filter cloth of the filter press, seriously affecting the normal operation of the sedimentation tank and the plate frame filter press; At the same time, due to the high concentration of oil in wastewater, it poses a great threat to the stable and efficient operation of detection instruments and water treatment systems in wastewater treatment stations. The above problems in the demulsification system not only bring many troubles to the operation and management of the cold rolling wastewater treatment station, but also cause serious pollution to the water system. Therefore, it is urgent to renovate the existing waste emulsion treatment system. We will wholeheartedly provide users with excellent waste emulsion treatment services, create more perfect services, and sincerely hope to work together with friends from all walks of life to create prosperity.
The emulsion mainly contains engine oil and surfactants, which are prepared by diluting the emulsified oil with water as needed and adding emulsifiers. In order to improve the rust resistance of the emulsion used in machine tool cutting, sodium nitrite and other additives are also added. At present, demulsification is carried out in the oil collecting tank of the original acid-base system. Sodium humic acid is used as the demulsifier. The wastewater after demulsification is sent to the acid-base system pre sedimentation tank for oil-water separation. Due to the short residence time and natural separation, the separation effect is poor, resulting in high oil content in the sludge precipitated by the acid-base system, which often causes blocking of the inclined plate of the sedimentation tank and the filter cloth of the filter press, seriously affecting the normal operation of the sedimentation tank and the plate frame filter press; At the same time, due to the high concentration of oil in wastewater, it poses a great threat to the stable and efficient operation of detection instruments and water treatment systems in wastewater treatment stations. The above problems in the demulsification system not only bring many troubles to the operation and management of the cold rolling wastewater treatment station, but also cause serious pollution to the water system. Therefore, it is urgent to renovate the existing waste emulsion treatment system.
We will wholeheartedly provide users with excellent waste emulsion treatment services, create more perfect services, and sincerely hope to work together with friends from all walks of life to create prosperity.
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