Circuit board crushing equipment production line scale analysis
Release Time：2022-11-02 Source：Battery Recycling Machine Share：
The traditional economy has brought a series of insurmountable social ills, environmental pollution and resource destruction are the more prominent manifestations. The industrial sector has gradually realized that its own reproduction and operation always at the expense of the environment in exchange for a moment of economic prosperity is not worth the loss. Countries are actively promoting circular economy, clean production, reduce energy consumption, reduce pollutant emissions, and take the road of circular economy development. At present, the launch of the "super range of waste circuit board crushing and recycling solutions" successfully integrated domestic and foreign high-tech technology, circuit board crushing equipment into a new era of "environmentally friendly waste copper clad board material recycling equipment" and "Waste circuit board recycling processing equipment" and other roles in one of the resource recovery system equipment. Now, with the implementation of the waste circuit board crushing and processing project already running production, Xingmao Machinery summarizes the hazards of waste circuit boards and the necessity of processing waste circuit boards as well as the sources of waste circuit boards in China, and also summarizes the processing methods of waste circuit boards and carries out a detailed comparison of the process flow of the physical processing methods with environmental protection characteristics. It also gives a view on the problems that should be paid attention to in the process of dry physical treatment of waste circuit boards and the focus of the future waste circuit board treatment process. The following article provides a detailed introduction to the circuit board crushing line.
Taking waste circuit boards as the research object, after crushing the waste circuit boards, various testing methods are used to analyze the composition of waste circuit boards and determine their resource characteristics; the enhanced separation of metal and non-metal substrates in customized standard boards and waste circuit boards is studied based on the traditional mechanical crushing method combined with the chemical swelling method. The physical properties, composition and choice of crushing method of waste PCBs are also introduced, and the distribution laws of metals and non-metals in their crushed materials are studied, and the corresponding equations of crushing particle size characteristics are fitted, and the essential differences between the distribution laws of metals and non-metals are pointed out by comparison. This paper provides a strong theoretical guidance for the resource utilization of metals in waste circuit boards. By changing the process parameters such as crushing time and impact frequency of the hammer crusher and the process flow such as open circuit and closed circuit, the dissociation of metallic copper under various conditions and the distribution in each particle size are studied. Using the basic principle of hammer striking, the hammer head on the rotor of the main machine, driven by a high speed and high torque motor, strikes the material to be crushed in the cavity in turn, and tears the material to be crushed into a crushed material in accordance with the specifications through the space formed between the liner and the hammer head. According to the working condition of the crusher, it can be divided into dry system, wet system and semi-wet system. The dry system mainly means that the crushed material must pass through the air gyratory sorting system to separate the metal and non-metal, and the whole system is equipped with dust removal device.
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