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    • 1. 发明公开
    • COMBINED PROCESS FOR PROCESSING HEAVY OIL
    • KOMBINIERTES VERFAHREN ZUR VERARBEITUNG VONSCHWERÖL
    • EP2647691A1
    • 2013-10-09
    • EP12792205.2
    • 2012-01-18
    • China University of Petroleum-Beijing
    • ZHAO, SuoqiSUN, XuewenXU, ZhimingXU, ChunmingCHUNG, Keng. H.
    • C10G55/04C10G9/04C10G21/00
    • C10G55/04C10G21/003C10G21/14C10G69/06C10G2300/206C10G2300/4081C10G2300/44
    • The invention provides an integrated process for processing heavy oil, wherein the integrated process at least comprises: solvent deasphalting is carried out for heavy oil material, and de-oiled asphalt phase is mixed with dispersing agent and then entered a thermal cracking reactor to undergo thermal cracking reactions. Upgraded oil can be obtained through the mixture of the de-asphalted oil and thermal cracking oil separated from thermal cracking reaction products. The solvent and heavy gas oil , which are separated from the thermal cracking reaction products, are respectively recycled back to the solvent deasphalting process as solvent and as mixed feed to remove asphaltene. The integrated process of the present invention solves the problems that solvent is difficult to be separated from asphalt with high softening point in solvent deasphalting process and hard asphalt is difficult to be transported, and oil component that can be extracted from so that the heavy oil doesn't need thermal reaction, which is beneficial for guaranteeing the stability of the products and improving yield of the upgraded oil, and the API gravity will be increased greatly, the carbon residue value, C7 asphaltene and metal content will be decreased obviously, the removal rate of the asphaltene can higher than 96%, the removal rate of metals of nickel and vanadium can up to 80-90%, and also beneficial for producing hydro-upgrading oil with significantly improved production quality.
    • 本发明提供了一种加工重油的综合方法,其中整体方法至少包括:对重油材料进行溶剂脱沥青,脱油沥青相与分散剂混合,然后进入热裂解反应器进行热处理 开裂反应。 通过从热裂解反应产物中分离的脱沥青油和热裂解油的混合物可以获得升级的油。 分别与热裂解反应产物分离的溶剂和重质瓦斯油分别作为溶剂和作为混合进料循环回到溶剂脱沥青法中以除去沥青质。 本发明的一体化方法解决了在溶剂脱沥青工艺中溶剂难以与高软化点的沥青分离的问题,难以运输硬沥青,可以从重油中提取的油成分不会 不需要热反应,有利于保证产品的稳定性,提高改质油的产率,API重力将大大提高,碳残留值,C7沥青质和金属含量明显降低,去除 沥青质含量可达96%以上,镍和钒的金属去除率可达80-90%,也有利于生产提高生产质量的改质油。
    • 4. 发明公开
    • Reactor for the thermal cracking of heavy hydrocarbons and a process and apparatus for the distillation and thermal cracking of a crude oil feedstock using such a reactor
    • 反应器的重质烃的热裂解,以及方法和装置,用于蒸馏和使用这样的反应器中的原油进料的热裂解。
    • EP0050030A2
    • 1982-04-21
    • EP81304742.0
    • 1981-10-12
    • Spencer, Peter
    • Spencer, Peter
    • C10G9/04C10G9/00
    • C10G9/04
    • A method and apparatus for cracking heavy hydrocarbons for example petroleum oil or coal tar. The reactor (13) comprises an outer spherical pressure vessel (111) and an inner vessel (112) within the outer vessel. The inner vessel has an open bottom end (17). The cracking reaction takes place in the inner vessel and the products leave through the open bottom end. The reaction is inhibited in the outervessel since the contents are maintained at a temperature insufficient to sustain the cracking reaction. The product is withdrawn, either continuously or intermittently via an outlet (118 or 123). The coke produced may be fluidised in the outer vessel or may be allowed to settle. The inner vessel may be rotated slowly about its vertical axis and high pressure fluid jets directed at its surface to dislodge coke deposited on the inside and outside wall.
      The reactor may be used in a system for the simultaneous distillation and thermal cracking of crude oil. Feedstock (31) is fed to a flash-settler (11) having three sections (21,23,25). Liquid is withdrawn from the first section (25) and fed to a reactor (13) via a heater (12). The reaction products are quenched to inhibit cracking by means of a cooling stream (36) prior to their introduction to the third section (21) of the flash-settler. Coke is removed from the third section as a slurry (37). Gases flashed off from the feedstock and from the reaction products are fed to a distillation column (14) where they are separated. Liquid from the second section (23) is either removed as product, allowed to overflow into the first section (25) to be recycled, or fed to a reduced pressure column (51) in which heavy gas oil may be removed as a product (53). The top product (56) is fed to the distillation column, the bottom product is recycled to the reactor via the heater.