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Haichuan celebrates the 73rd birthday of the motherland and sees the great development of chemical equipment. Replies will be rewarded and discussed. ------------------------------------------------------------- In December 2021, the high-pressure hydrogenation reactor of the first phase of the upstream supporting project of Wuheng Chemical spandex and biodegradable materials designed and manufactured by Lanshi Heavy Equipment has entered the final stage and is about to be completed and shipped. On May 18, 2022, the key equipment developed by Lanshi Heavy Equipment for the first phase of Wuheng Chemical Ningxia Co., Ltd.'s spandex and biodegradable materials upstream supporting industry chain project of 70,000 tons/year BDO (1,4-butanediol) plant, the high-pressure hydrogenation reactor, was completed and shipped. There are a total of 6 high-pressure hydrogenation reactors in this project. The equipment has a small diameter, a large number of shells, and a large bed pressure drop. The cylinder end adopts an inwardly inclined necking port. The main seal is a stainless steel double cone ring, and the matching sealing surface is a surfacing structure. The project mainly constructs an acetylene unit, a formaldehyde unit, a 1,4-butanediol unit and a methanol cracking hydrogen production unit, and supports the construction of storage tank areas, circulating water stations, waste gas treatment facilities, waste liquid incinerators, hazardous waste temporary storage rooms and other public auxiliary projects and environmental protection facilities. The product scale of the project is an annual production of 70,000 tons of 1,4-butanediol (BDO), with a by-product of 2,080 tons/year of n-butanol.