Surgil ESIA Report - Volume III - EKN

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OAJ “O’ZLITINEFTGAZ” ПТЭО «Комплексное обустройство месторождения Сургиль с извлечением ценных компонентов» Safety valves deetanizatora tied to the collector dry jet separator and depropanizer and debutanizer - the collector of wet jet separator, from where appropriate discharges flared. Installation of ethylene (Figure 8) comes from the ethane feedstock deetanizatora install gas separation. Composition can be: Methane - 0,54% Ethan - 98.89% Propane - 0,56% Carbon dioxide - 0.01% Besides using recycled ethane from ethylene and install deetanizatora column fractionation of ethylene. Mixed materials saturated with water vapor, produced additive dimethyl disulfide (DMDS), and then subjected to cracking in the pyrolysis furnaces, of which at normal mode there are two, the third pyrolysis furnace is used to ensure continuity during dekoksovaniya. Furnace pyrolysis are sources of harmful substances during combustion of fuel from the fuel system of MCC, organized into the sources of emissions - smoke stacks. Thus, each furnace operates alternately in two modes: normal mode cracking - 6,358 hours per year and mode dekoksovaniya oven to restore its technical characteristics of the nominee - 192 hours / year. The fuel is methane, with the installation of exhaust gas separation, gas regeneration of adsorbents ethylene plant, passing through the separator tail gas fuel system, from which the liquid phase is sent to the liquid fuel tank fuel system, and at times the working pressure of the gas phase is discharged into the flare system. After cracking pyrogas passes quenching column and subjected to compression on a five-speed centrifugal compressor. Between the third and fourth stages pyrogas subjected to alkaline treatment of acid gases (spent lye is directed to the installation of oxidation). After the compressor pyrogas zaholazhivaetsya and passes through three stages of separators, then at demetanizator for separation of methane and ethylene plant deetanizator. Further, in a mixture with hydrogen stream passes acetylene converter and enters the column fractionation of ethylene, which receive the quality of ethylene polymer for polyethylene. Acetylene converter for removing acetylene from the upper stream deetanizatora with hydrogen the hydrogenation of ethylene. Converter is designed for a single layer of a hydrogenation catalyst. Additional capacity is used for recovery of catalyst by using superheated steam and air, without stopping the cycle. The reaction product (a polymer of acetylene) together with the vat residue deetanizatora sent to the fuel system. Gas recovery (recovery) of the catalyst is discharged into the atmosphere Книга 2. Часть 2. Проект ЗВОС по строительству ГХК 30
OAJ “O’ZLITINEFTGAZ” ПТЭО «Комплексное обустройство месторождения Сургиль с извлечением ценных компонентов» РИС. 2.5. СХЕМА УСТАНОВКИ ПОЛУЧЕНИЯ ЭТИЛЕНА Пар, 12.35 МПа В атмосферу Вода Пирогаз DMDS ПЯТИСТУПЕНЧАТЫЙ КОМПРЕССОР Пирогаз Вода ЗИА-1 Этан Рецикловый этан Т САТ ЗИА-2 ПП ЗК Углеводороды I Т II Т <strong>III</strong> Т ДМ Закалочная вода Метан/водород на регенерацию абсорбентов Т В топливную систему Перегретая техническая вода КЦА Водород на КА и установку полиэтилена Топливный газ Вода в сатуратор Пирогаз ДОХ Углеводороды в топливную систему С-3 Т С-2 Х Т С-1 Х Т А Х Т V Т IV Щелочь 10% Щелочь 2% ЩО Н Углев. Углеводороды Углеводороды В систему жидкого топлива Т Водород от КЦА ДЭ КА РК Желтое масло В атмосферу Товарный этилен в хранилище СМ САТ ЗИА ПП ЗК Х Т ЩО А Газ регенерации в топливную систему - смеситель - сатуратор - закалочно-испарительный аппарат - печь пиролиза - закалочная колонна - холодильник -теплообменник - установка щелочной очистки - адсорбер С КЦА ДМ ДЭ КА Н РК ДОХ Отработанная щелочь на окисление - сепаратор - короткоцикловый адсорбер - деметанизатор - деэтанизатор - конвертер ацетилена - насос - ректификационная колонна - установка извлечения дисперсного масла Рисунок 8 - Установка получения этилена (аналог ШГХК) Книга 2. Часть 2. Проект ЗВОС по строительству ГХК 31
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