How to recycle and utilize cutting fluid using flat ceramic membrane technology?

We know that metal cutting fluid can ensure the surface smoothness and machining accuracy of the metal cutting process, and has a very wide range of applications in the mechanical processing industry. However, after a certain period of use, the cutting fluid will become ineffective and become industrial waste liquid. If it is directly discarded, it will cause waste of resources, which is somewhat regrettable. If the cutting fluid can be purified and reused, and its service life can be extended, it would be even better.

The failure and deterioration of cutting fluid are mainly due to the inevitable inclusion of certain impurities in its recycling engineering, such as metal particles (debris), dust, abrasive particles, fibers, free impurities, and water in cutting oil. When the content of these impurities is high, it can damage the surface of the tool and the workpiece during use. Furthermore, these impurities are the main catalysts for the oxidation and deterioration of cutting fluid, which accelerate the chemical changes of the cutting fluid, resulting in higher acidity and greater interfacial tension, thereby causing the cutting fluid to deteriorate and fail. The successful application of flat ceramic membrane separation technology in oil-water separation provides a practical and feasible solution to solve the problem.

Plate ceramic membrane separation is a new technology for material separation based on the screening effect of porous ceramic media. Adopting an efficient "cross flow" filtration method, which means that the fluid medium flows at a certain speed within the membrane under pressure drive. Small particles pass through the membrane in the vertical direction of fluid flow, while large particles are intercepted to achieve separation, concentration, and purification. Under low-pressure driving force, cutting fluid flows through the surface of the membrane, and water and small molecule substances pass through the filter membrane to become permeate and flow out. Suspended particles are intercepted by the filter membrane to become concentrated liquid. The concentrated solution always circulates within the membrane equipment system under pump pressure. When the cutting fluid is concentrated to a certain extent, the concentrated solution is sent to the concentrated solution settling tank for settling treatment, and the sludge is regularly cleaned.

NanoMem® is a high-tech enterprise integrating R&D, production and service of plate ceramic filtration membrane products. We are professional supplier of flat ceramic filtration membrane, plate ceramic filtration membrane unit and MBR system. If you are interested in our products, please contact us at 0086 512 6638 9461 and email: export01@szdasen.com.