PLC-controlled centralized recovery and treatment equipment for cutting fluid

The central cutting fluid supply and purification system can improve production efficiency, maintain the long-term stability of cutting fluid quality, and meet the needs of cutting and grinding processing. In addition, it also reduces various costs, improves the workshop working environment, and from another perspective, reduces environmental pollution caused by sewage, turns waste into treasure, reduces sewage discharge, and makes significant contributions to environmental protection.

After each machining operation, the central supply cutting fluid immediately enters the system for treatment. After removing various impurities and correcting indicators, it returns to the optimal performance of the new cutting fluid for supply, thus realizing non-replacement circulation, and the utilization rate of cutting fluid reaches or exceeds 95% or more. The central supply system is relative to the standalone system. When using the central supply system for cutting fluid, the cutting fluid used in processing in the workshop is collectively poured into a large water tank, and the cutting fluid is transported to various machine tools through the fluid tank. With the central supply system, the cutting fluid can be concentrated, and regular sampling inspection of the cutting fluid in the large water tank can be carried out, which is convenient for detecting its pH value, use concentration, and whether there is corruption. It saves the process of detecting the cutting fluid of each standalone system.

The central cutting fluid supply system can centrally filter and regenerate the cutting fluid. The regeneration rate of cutting fluid treated by semiconductor inorganic membrane is about 90%. It removes metal chips and other impurity oils in the cutting fluid, and extends the service life of the cutting fluid. The filtered cutting fluid can be recycled, reducing the cost of cutting fluid use, saving resources and protecting the environment. Its advantages are as follows:
1) The workshop operation is more environmentally friendly and safer;
2) Improve productivity, reduce costs, and enhance enterprise competitiveness;
3) The amount of waste cutting fluid generated is reduced by more than 80%;
4) Enable factory production to meet environmental protection requirements and reduce environmental protection risks;
5) Help the factory continuously produce high-quality products;
6) Provide a healthier and safer working environment for factory employees.

Main Features of the Central Cutting Fluid Supply and Purification System Design
1. Realize automatic monitoring of cutting fluid through automated control, such as pH value, conductivity, temperature, concentration, etc.;
2. Automatic fluid supply, automatic fluid return and automatic filtration realize unmanned operation;
3. Automatic equipment control: complete the automatic operation and maintenance of technological processes such as feeding, filtration and flushing through PLC, allowing on-site emergency shutdown. During the system operation, the system parameters are set through manual valves;
4. The membrane materials and auxiliary equipment materials are all selected from materials resistant to feed liquid corrosion, and the sealing parts are made of polytetrafluoroethylene;
5. The equipment is compact and beautiful in structure, reasonable in layout and small in floor area;
6. Advanced technology and low operating costs;
7. Simple operation and maintenance, full intelligent control of the whole machine, with touch screen interface;
8. Can reduce the number of specific bacteria in the cutting fluid and kill them, and effectively deodorize;
9. Protect operators and reduce the harm of cutting fluid to human health;
10. Extend the service life of cutting fluid and increase tool life;
11. Quickly collect waste oil in the water tank and achieve effective oil-water separation;
12. Fully automatic fluid preparation without manual participation;
13. Automatic constant temperature of cutting fluid (20-25℃).

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