With the rapid development of China's aluminum industry, the equipment function of electrolytic aluminum crane has also been greatly developed. Following the Fushun Aluminum Plant, the 60kA self-roasting cell of the aluminum plant of the Guizhou Aluminum Plant was designed and manufactured by our country. Guizhou Aluminum Plant's second electrolytic aluminum plant introduced in the 1980s the Japan Light Metal Co., Ltd. 160kA current, annual output of 80kt large-scale pre-baked anode electrolyzer technology, supporting the introduction of the French ECL company type I electrolysis multifunctional low-level crane, it The multi-function configuration of the shell is used in the mechanical operation of the electrolytic cell, such as shelling, anode replacement, alumina addition, metering and suction of aluminum, lifting of the bus bar, lifting and inspection of the upper part of the tank, and lifting of the articles. In the 90's Pingguo Aluminum Plant introduced the French ECL multi-function electrolysis crane. At the beginning of 2000, Venus Aluminium introduced the French ECL company III multifunctional crane, with the special design of the inter-carriage transfer system, which enables spare or other ECL cranes to be transferred in each factory room and can be exchanged in different factories. The use of a greater extent to tap the utilization of multifunctional cranes.
In 2003, an all-in-one multi-function crane designed and developed by Sichuan Qixing Aluminum and Shenyang Metallurgical Machinery Co., Ltd. was put into operation. It has an intermediate channel transfer system, and the multifunctional crane can be exchanged in the electrolysis plant to meet the requirements. The operating requirements of the large pre-baking cell production process are an electrolytic cell crane with a more versatile configuration. Its full-position function configuration includes: 1 crushing of electrolyte crusts, 2 pairs of anode replacement and elevation measurement, and 3 residual electrodes. Block and electrolyte precipitation fishing operation, 4 alumina addition operation, 5 fluoride salt tank feeding operation, 6 lifting busbar lifting frame lifting busbar operation, 7 upper electrolytic tank lifting operation, 8 lifting large vacuum lifting bag Weighing and sucking operations, 9 tanks on the cylinder, lifting feeder lifting and replacement operations, 10 plant space asked various items within the lifting operation.
Its main features are as follows:
(1) Walking mechanism. The carts, tool carts, and 16t aluminum trolleys adopt the international brand SEW reducer. The whole concentric motor adopts variable frequency speed regulation, and the entire vehicle electronic control system selects AB's advanced programmable controller. The trolleys on both sides of the overhead crane are designed with a trolley line power supply system, which meets the requirement that the overhead cranes be transported through the middle aisle to operate in the production trough operation area of ​​any plant.
(2) Operational control. The driver's indoor operation controller selects the man-machine operation interface of the electronic touch screen, performs the selection of the working function on the electronic touch screen, and realizes the conversion of the working tool device.
Two 16t winch trolleys are arranged on the main beam of the vehicle. Large liquid crystal weighing screens are installed on both sides of the end beams to meet the harsh environment of the electrolysis plant. Compared with the French ECL electrolysis multifunctional crane, wireless remote control technology is designed and applied. SkyTrainer can carry out operations such as lifting aluminum, lifting busbars and other objects on the floor of the electrolyzers in different factory buildings, eliminating the need for a frame-type hoisting and lifting device to make the structure of the vehicle more convenient.
(3) Power system. The air compressor adopts Sino-foreign joint venture Shanghai Ingersoll Rand M155 screw air compressor. After many years of multi-stage air filtration and increased pressure and noise reduction of the cylinder, the technical performance can be matched with the Italian MATIE12055 type of ECL electrolytic crown crane. Compared with centrifugal air compressors, it can more stably satisfy various functional devices.
The hydraulic station adopts the products of Guangzhou Baiyuan Hydraulic Equipment Co., Ltd., in which the main part hydraulic pump is the German Parker company's product. After years of adaptability, it meets the operational requirements of each hydraulic functional device of the electrolytic crown crane.
(4) Fluoride salt feeding device. The car is equipped with a fluorinated salt feeding system, which has a more production function than the French ECL electrolysis crane. It is a fully-equipped multifunctional crane at home and abroad. This function is the automation of the production of large electrolyzers. Mechanized operations created conditions.
(5) Electronic control system. The vehicle's electronic control system has selected advanced electronic equipment. In order to prevent the high temperature dust and corrosive gas from being eroded in the electrolysis plant, it has been developed independently for more than 20 years. The electrical control panel and electrical components are sealed in the entire cabinet, and the air-conditioning fan is equipped with constant temperature. The failure rate of the electrical control system is greatly reduced, which increases the service life. And the insulation testing, anode measurement, template control, program control and other technology applications are mature, the whole machine is running reliably.
From the end of the 1960s, more than one generating unit satisfies a small amount of self-baked electrolyzers, and by the year 2000, a single multi-function crane can meet 42 large-scale electrolytic cells. The design of multi-functional electrolytic aluminum cranes is more reasonable and complete, and the function configuration is even better. advanced. All-in-one multi-function electrolytic aluminum crane has been applied more and more widely in all major aluminum factories in China, making China's aluminum industry technical equipment to the world's advanced ranks.
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