Centralized cutting fluid supply system, oil-water separation and floating oil removal

Nantong Youteng, a manufacturer of centralized cutting fluid treatment systems, cutting fluid centralized filtration is a processing auxiliary fluid suitable for cooling and lubricating tools and workpieces during the production and processing of metal materials in cutting, milling and grinding processes. It has excellent functions of cooling, lubrication, rust prevention, degreasing, cleaning and anti-corrosion. Cutting fluids are divided into oil-based cutting fluids and water-based cutting fluids. According to surveys, the demand for oil-based cutting fluids is relatively low at this stage, and water-based cutting fluids are the main application. During the entire use process of water-based cutting fluids, the lubricating oil on products and workpieces and a large amount of machine tool guide rail oil mix with the cutting fluid. In this way, the cutting fluid mixed with various impurities and residues flows back into the cutting fluid tank again through cyclic application. The long-term cyclic use and long-term idleness of the cutting fluid cause a large amount of mixed oil to suspend on the surface of the cutting fluid, thereby preventing the cutting fluid from contacting the air, leading to the growth of a large number of bacteria in the cutting fluid. This not only greatly increases tool damage, but also reduces the surface accuracy of the workpiece, interferes with the working environment that is harmful to workers' physical and mental health, and causes environmental pollution problems such as air pollution, water resource pollution and land pollution. Therefore, it is necessary to purify and treat the cutting waste liquid to extend the service life of the cutting fluid.

The cutting fluid of each grinding machine in the grinding workshop of the electrode workshop is usually in a single cycle. After using the cutting fluid for a period of time, the fluid will contain abrasive grains from wheel grinding and metallic tungsten particles. When polishing the surface of the workpiece, these particles will cause defects and interfere with the surface quality. At the same time, the cutting fluid must be removed and replaced in time. Rough grinding needs to be replaced every 5 days, and fine grinding needs to be replaced every 3 days. The production cost is high and it causes environmental pollution. Therefore, large and medium-sized processing plants strongly recommend adopting the centralized filtration method. The centralized filtration system is the development trend of modern wet processing filtration. Compared with the single-machine circulation system, the advantages of centralized filtration are mainly reflected in the following aspects:

1. The filtration accuracy of the centralized cutting fluid is very easy to operate.

2. It is very easy to complete automatic control. It covers a small area, and the area occupied by large and medium-sized centralized filtration systems is much smaller than that of single-machine filtration.

3.It is convenient to manage, the number of points when adding cutting fluid is small, the number of cutting fluid management personnel can be reduced, the waste cutting fluid is treated centrally, and environmental pollution is reduced; the discharged iron chips are concentrated, which is conducive to transportation and treatment; the application of cutting fluid can conduct intensive testing.

The centralized cutting fluid supply system is suitable for the planning and construction of new factories and the renovation of old factories. It adopts integrated control and liquid circulation to solve the waste liquid problem;

Functions include: centralized fluid supply, centralized fluid return, centralized filtration, automatic proportioning, constant pressure fluid supply, intelligent fluid replenishment, cooling and temperature reduction, concentration adjustment and monitoring, etc.;

Unified management of cutting fluids;

Projects of the centralized cutting fluid supply system generally require detailed docking with on-site working conditions and actual needs. It is necessary to clearly know whether the centralized purification frequency is real-time or timed, the flow rate to be achieved, site requirements, consumable requirements; as well as issues such as whether the on-site pipeline layout is aerial or underground. Generally, the centralized cutting fluid supply is not a single piece of equipment, but a complete purification system.

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