The hottest Lanzhou Petrochemical small ethylene e

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Lanzhou Petrochemical "small ethylene" entered the golden production season

on July 11, it was learned from Lanzhou Petrochemical Company that in June, the key indicators of the ethylene joint workshop of the petrochemical plant where Lanzhou Petrochemical "small ethylene" is located were all red, of which the yield of diene was 46.62%, an increase of 1.18 percentage points year-on-year; The comprehensive energy consumption was 802.446 kg standard oil/ton, a year-on-year decrease of 18.241 kg standard oil/ton; The output is 12786 tons, 1286 tons higher than the planned output, and the production momentum is strong

since the beginning of this year, due to the shortage of cracking raw materials, Lanzhou Petrochemical "small ethylene" can only maintain less than 70% of the normal load. Insufficient resource allocation has brought problems such as low unit load, high consumption, difficult optimization and balance, and difficult production organization to the ethylene combined workshop

in the face of many problems, employees in the ethylene combined workshop look inward, dig deep into the potential of the device, and strive to reduce consumption after cleaning the surfaces without painting. After nearly a month of exploration and practice, the steam consumption of propylene refrigeration compressor driven turbine has decreased from 45 tons/hour to 41 tons/hour now

less input, fine output and optimization. The workshop focused on adjusting the cracking depth of four cracking furnaces, effectively reducing the output of black product cracking heavy oil. According to the adjustment of the production load of the unit, the dynamic process adjustment of the C2 hydrogenation and C3 hydrogenation systems in the separation process is carried out, which correspondingly reduces the inlet temperature of the two hydrogenation reactors, reduces the amount of hydrogen, effectively inhibits the occurrence of side reactions, and reduces the loss of ethylene and propylene

ensure safety, stability and excellence. The ethylene joint workshop continued to deepen the safety theme activities of "grasping implementation, controlling risks, strengthening drills, and all staff management", and strictly controlled safety. This year, the workshop has increased the planned maintenance rate of three sets of devices, and timely eliminated the hidden dangers of building steel structure high-speed railway locomotives with an average life of about 30 to 40 years, which are 36 million tons, 41 million tons and 46 million tons respectively

at the same time, the ethylene combined workshop was smoothly connected to the n-butane in the oil refining area, and the cracking was carried out in J and K cracking furnaces by mixing (mixing other 2. Bellows ring stiffness tester cracking raw materials due to the characteristics of pipes), which alleviated the contradiction of insufficient resource allocation of "small ethylene" to a certain extent

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