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The Evolution of Smart and Energy-Efficient Technologies
Release time:
2026-03-19
Source:
In the field of rubber and plastics processing equipment, internal mixers are undergoing a technological evolution from mechanization to intelligent operation.
In the field of rubber and plastics processing equipment, internal mixers are undergoing a technological evolution from mechanization to intelligent operation. A series of technological innovations focused on energy conservation, reduced consumption, and intelligent control are transforming the operational model of this traditional equipment.
Product Upgrades Toward Larger Scale and Higher Efficiency
The GN700 permanent magnet high-pressure shear-type internal mixer, independently developed by Sinochem Rubber Machinery, was awarded the title of “Innovative Product of China’s Rubber and Plastic Machinery and Supporting Industries” in 2025. The technical achievements of this product have passed the scientific and technological achievement appraisal organized by the China Petroleum and Chemical Industry Federation and have been recognized as reaching an internationally advanced level, with the design and manufacturing technology of core components such as the rotor reaching an internationally leading level. The product adopts AC high-voltage permanent magnet motor variable frequency drive, dual-motor hydraulic servo drive, and dust-proof lubrication servo intelligent drive technology, featuring low noise and excellent sealing performance, in line with green manufacturing trends. The new hydraulic rotor dust-proof sealing device and the dual push-pull cylinder-driven discharge mechanism ensure safe and reliable equipment operation. Innovative high-chromium, high-carbon, hard, wear-resistant, and crack-free welding materials, combined with digital welding and machining processes, have enhanced the wear resistance and corrosion resistance of core components such as the rotor and mixing chamber.
Energy-Optimized Intelligent Control Method
Dalian Daxiang Engineering Technology Co., Ltd. has filed a patent for an adaptive optimization control method for energy consumption in internal mixers. This method collects power, temperature, speed, and pressure data starting from the moment the top plug is pressed down, constructs a process state index that integrates temperature rise and time progression, and calculates energy marginal utility indicators based on this. Through online learning, the method identifies the evolutionary state of mixing patterns and uses highly consistent data to fit an energy efficiency reference function. Based on the deviation between real-time state points and the reference function, a two-layer controller dynamically generates target power and matches the optimal combination of rotor speed and upper platen pressure, driving the system to operate along a high-efficiency trajectory. This method intelligently determines the timing for discharging the compound by combining three criteria: process completion, energy efficiency stability, and trajectory proximity. It does not require offline models and achieves adaptive closed-loop optimization of energy consumption while ensuring mixing quality.
Development Trends Toward Green and Intelligent Manufacturing
Amid the broader trend of green manufacturing, internal mixer technology is evolving toward low-noise and zero-emission designs. The introduction of IoT technology enables data interconnection and sharing among devices, allowing operators to remotely diagnose equipment failures and predict maintenance cycles. The application of artificial intelligence algorithms is expected to enable self-optimization of production processes. Driven by emerging industries such as new energy vehicles, the demand for lightweight, high-temperature-resistant new composite materials is further propelling the upgrading of internal mixer technology. High-end equipment integrating mechanization, automation, and informatization is becoming a key direction for technological advancement in the rubber and plastics processing industry.
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