Advancing scientific knowledge on fouling, erosion and corrosion in Once Through Steam Generators (OTSGs)

推进直流蒸汽发生器 (OTSG) 结垢、侵蚀和腐蚀方面的科学知识

基本信息

  • 批准号:
    532379-2018
  • 负责人:
  • 金额:
    $ 20.75万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Collaborative Research and Development Grants
  • 财政年份:
    2022
  • 资助国家:
    加拿大
  • 起止时间:
    2022-01-01 至 2023-12-31
  • 项目状态:
    已结题

项目摘要

Canada is well positioned to deliver safe, secure, and reliable energy to markets especially via steam-assisted in-situ production of oil sands deposits. This requires highly economic approaches to produce steam in so-called Once Through Steam Generators (OTSGs) while produced fluids are recycled to minimize the environmental footprint of in-situ oil sands operations. The boiler feed water constituents are prone to cause mineral and organic precipitates upon heating in steam generators and erosion and corrosion often resulting in premature OTSG failure. The objective of this research project is to reduce inorganic and organic fouling and erosion and corrosion in OTSGs to enhance water and energy efficiency and achieve greenhouse gas emission reductions. The research team members from the University of Calgary, the University of Alberta, and SAIT will advance the scientific knowledge about inorganic and organic fouling, erosion and corrosion, and modeling of OTSG systems. A unique aspect of this project is the ability to test the applicability of key findings from laboratory and modeling investigations in two large-scale pilot test OTSG rigs. The inter-disciplinary evaluation and interpretation of the research activities will create for the first time a scientifically based technical operating envelope (TOE) for steam generators. An improved scientific knowledge of boiler feed water limits (e.g. hardness, dissolved silica content, content and quality of organic compounds among others) will enable higher steam qualities of up to 90%. This will result in a more economic and environmentally friendly operation of OTSGs and hence in a significantly increased competitive advantage for oil from Canada's large in-situ oil sands reserves.
加拿大在向市场提供安全、可靠的能源方面处于有利地位,特别是通过蒸汽辅助油砂矿床的原位生产。这就需要采用一种高度经济的方法,即通过所谓的一次性蒸汽发生器(otsg)产生蒸汽,同时回收产出的液体,以最大限度地减少油砂作业对环境的影响。锅炉给水成分在蒸汽发生器加热时容易产生矿物和有机沉淀,侵蚀和腐蚀往往导致OTSG过早失效。本研究项目的目标是减少otsg中的无机和有机污染、侵蚀和腐蚀,以提高水和能源效率,并实现温室气体减排。来自卡尔加里大学、阿尔伯塔大学和SAIT的研究小组成员将推进有关无机和有机污染、侵蚀和腐蚀以及OTSG系统建模的科学知识。该项目的一个独特之处在于,能够在两个大型试点测试OTSG钻机上测试实验室和建模调查的关键发现的适用性。对研究活动的跨学科评估和解释将首次为蒸汽发生器创造一个基于科学的技术操作包线(TOE)。提高对锅炉给水极限(如硬度、溶解二氧化硅含量、有机化合物含量和质量等)的科学知识,将使蒸汽质量提高到90%。这将使otsg的操作更加经济和环保,从而大大提高加拿大大量原位油砂储量的石油竞争优势。

项目成果

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