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    影響煙氣脫硫工藝技術路線選擇的主要因素

    影響煙氣脫硫工藝技術路線選擇的主要因素

    Main factors affecting the selection of flue gas desulfurization process route
    煙氣脫硫工藝技術路線選擇涉及技術、經濟、總量減排、法律法規等多方麵因素,應參考以下幾個方麵:
    The selection of flue gas desulfurization process involves many factors such as technology, economy, total emission reduction, laws and regulations, etc. the following aspects should be referred to:
    (1)排放標準要求。滿足排放標準是基本要求。不論是已修訂實施的火電廠排放標準,還是新修訂發布的鋼鐵燒結球團工業排放標準,都是國家強製性標準,煙氣脫硫工藝滿足達標排放的要求。
    (1) Emission standard requirements. Meeting emission standards is the basic requirement. Both the revised and implemented emission standards for thermal power plants and the newly revised and issued industrial emission standards for iron and steel sintering pellets are national mandatory standards, and the flue gas desulfurization process meets the emission requirements.
    (2)技術政策要求。滿足國家相關煙氣脫硫技術政策、工程技術規範等要求,是脫硫設施、穩定、運行的重要保證。
    (2) Technical policy requirements. Meeting the requirements of relevant national flue gas desulfurization technical policies and engineering technical specifications is an important guarantee for the, stability and operation of desulfurization facilities.
    (3)總量控製和按排汙量收費要求。我國目前對二氧化硫實施總量控製,這要求脫硫設施有更高的脫硫效率。我國的排汙收費原則是排汙即收費,《排汙費征收標準管理辦法》規定每排放一汙染當量的二氧化硫征收0.6元。
    (3) Total amount control and charging according to pollutant discharge. At present, China implements total amount control of sulfur dioxide, which requires desulfurization facilities to have higher desulfurization efficiency. China's sewage charging principle is that sewage is charged. The administrative measures for the collection standards of sewage charges stipulates that 0.6 yuan will be charged for each emission of sulfur dioxide equivalent to pollution.
    (4)可靠性要求。國家環保部環辦[2010]91號文明確要求火電企業鉛封或取消煙氣旁路,以提高脫硫設施的利用率。這對脫硫裝置的運行可靠性提出了更高要求。沒有大型工程化的業績、沒有連續穩定運行可靠數據的脫硫工藝也難以得到市場認可。
    (4) Reliability requirements. The Ministry of environmental protection of the people's Republic of China [2010] No. 91 civilization clearly requires thermal power enterprises to seal or cancel flue gas bypass to improve the utilization rate of desulfurization facilities. This puts forward higher requirements for the operation reliability of desulfurization unit. The desulfurization process without large-scale engineering performance and reliable data of continuous and stable operation is also difficult to be recognized by the market.
    (5)循環經濟要求。發展循環經濟將是我國今後長期的經濟發展之路。脫硫工藝的選擇應在去除二氧化硫的同時,盡量避免或減少產生二次汙染,實現副產物資源化和綜合利用將是對脫硫工藝的更高要求和技術發展方向。大量產生固廢的脫硫工藝不符合循環經濟的要求,將在一定程度上受到製約。
    (5) Requirements of circular economy. Developing circular economy will be the long-term road of economic development in China in the future. The selection of desulfurization process should not only remove sulfur dioxide, but also avoid or reduce secondary pollution as far as possible. Realizing the resource utilization and comprehensive utilization of by-products will be the higher requirements and technical development direction of desulfurization process. The desulfurization process that produces a large amount of solid waste does not meet the requirements of circular economy and will be restricted to a certain extent.
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