The analysis data of the start-up site of the oxidation tail gas treatment project of the phenol plant of Jilin Petrochemical Company showed that the benzene consumption of pure benzene was reduced by 2.5 kg/ton and the propylene consumption was decreased by 1.5 kg/ton, and there was a trend of further decrease. The annual savings of pure benzene could be 160 tons. 90 tons of propylene. The organic content in the exhaust gas is lower than the national emission standard, indicating that the project has achieved success. The Jilin Petrochemical Phenolic Plant Oxidation Tail Gas Project is an environmental protection project. It adopts the advanced technology of low-temperature condensation recovery and catalytic oxidation of tail gas to treat organic matter in the phenol-acetone tail gas with a treatment capacity of 15,700 standard cubic meters per hour. The amount of benzene is 500 tons. The project relied on existing installations and public works of the installation, reformed a set of tail gas cryogenic condensation recovery system, built a new set of tail gas catalytic oxidation treatment system, and added a new ammonia compression refrigeration unit with a higher coefficient of refrigeration to solve the long-term freezers. There was no preparation for the issue; an air compressor was replaced to replace the original three sets of high-consumption air compressors, saving 1.44 million kWh annually. After more than two months of operation, the Oxidation Tail Gas Treatment project achieved the expected results. While significantly reducing pollutant emissions, it also recovered some of the materials, significantly reduced the device's major material consumption, and achieved both social and economic benefits.
CNC turning is mainly used to process workpieces of revolving bodies, but sometimes it is also possible to clamp workpieces by customizing fixtures to process non-revolving products, such as planes, grooves, etc. Compared with manual turning and automatic turning, CNC turning has the characteristics of high efficiency and high precision. Moreover, with the development of science and technology, the requirements for workpieces are getting higher and higher, and more complex and higher precision workpieces need to be processed. In order to deal with such workpieces, multi-axis linkage CNC lathes have appeared, and multi-axis linkage turning machining usage is becoming more and more common.
SCZY has multiple three-axis CNC lathes, as well as multiple 4-axis linkage and 5-axis linkage CNC lathes, we can process complex-shaped rotating parts, usually the tolerance can reach ±0.01mm (specifically, it depends on the product material and structure. ), if we need better precision requirements, we can cooperate with the grinding machine for finishing, which can achieve a high precision of ±0.002mm. Our processing range includes the processing of stainless steel, alloy steel, special steel, ordinary steel, aluminum, copper, plastic and so on. Here are some CNC turning products we have processed:
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