煤的生化选矿及处理后煤对发电锅炉效率的影响

IF 0.6 Q4 CHEMISTRY, MULTIDISCIPLINARY

Oriental Journal Of Chemistry Pub Date : 2023-10-30 DOI:10.13005/ojc/390506

Gangadhara Reddy Ulavapalli, Rambabu Koyilapu, G. V. Subba Reddy, T. Gouri Chran, V. Murali Krishna, Sreedhar Reddy Duvvuri

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引用次数: 0

摘要

在印度，由于煤炭质量问题以及运行和维护实践的限制，大多数热电站保持按照设计规范的热率已成为一项具有挑战性的主要任务。热率是指发电单位所需的热量，主要取决于煤质。煤的灰分、水分、挥发物、净发热量、固定碳与挥发物之比、煤的可磨性等关键质量参数，是影响锅炉效率和热效率的主要因素。在这项研究中，正在努力通过使用从柑橘柠檬叶中提取的生物提取物与较低浓度的乙二胺四乙酸(EDTA)相结合来改善煤质，并将锅炉效率/热率与原煤和选煤进行比较。从柑橘柠檬中提取的植物提取物对煤中的铝、黄铁矿有较好的脱矿作用，EDTA对煤中的钙、镁矿物成分有较好的脱矿作用，从而提高了煤的热值。结果表明，使用选矿煤可以提高锅炉效率，降低热机的热率，节省了千万卢比。

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Beneficiation of Coal with Biochemical Method and Effect of Treated Coal on Boiler Efficiency in Power Generatation

In India it has become a major challenging task in majority of thermal power stations to maintain heat rate as per design norms due to problems associated with coal quality and constraints in operation and maintenance practices. Heat rate refers to the amount of heat required to generate one unit of power which mainly depends upon coal quality. Boiler efficiency and heat rate are mainly influenced by key quality parameters of the coal that is ash, moisture, volatile matter, net calorific value of coal, ratio of fixed carbon to volatile matter and grindability of coal. In this research study an effort is being made to improve coal quality by using bio-extracts derived from leaves of citrus limon in combination with lower concentrations of Ethylene Diamine Tetra Acetic Acid (EDTA) and compare boiler efficiency/heat rate with raw and beneficiated coals. Phyto extract derived from citrus limon is effective in demineralizing Aluminium and Pyrite minerals in coal and EDTA is successful for removal of Calcium and Magnesium mineral components of coal and hence calorific value of coal is increased. Results suggesting that usage beneficiated coals improving the boiler efficiency and reducing the heat rate of the thermal unit there by crores of rupee can be saved.

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来源期刊

Oriental Journal Of Chemistry CHEMISTRY, MULTIDISCIPLINARY-

自引率

20.00%

发文量

172

期刊介绍： Oriental Journal of Chemistry was started in 1985 with the aim to promote chemistry research. The journal consists of articles which are rigorously peer-reviewed. The journal was indexed in Emerging Science citation index in 2016. The Editorial board member consists of eminent international scientist in all fields of Chemistry. Details of each member and their contact information is mentioned in website. The journal has thorough ethics policies and uses plagiarism detection software(ithenticate) to screen each submission. The journal has recently partnered with publons as a part of making our reviews more transparent. The journal has recently incorporated PlumX for article level matrix. The journal is promoting research on all social and academic platforms mentioned in PlumX guidelines. The journal uses google maps to improve on the geographical distribution of Editorial board members as well as authors.