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低温省煤器支持下的锅炉余热回收节能改造方法研究

Research on Energy-Saving Renovation Methods for Boiler Waste Heat Recovery Supported by Low-Temperature Economizers
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摘要 针对县域小型煤炉效率低排放大问题,开发低温省煤器及余热板式回收改造技术。该技术通过新增省煤器调节水温、增设板框换热器收集余热,可有效提升小煤炉效率,大幅削减污染物排放。1台5万k W小型锅炉改造年可节煤65 t,投资2~3 a收回。该改造工艺简易经济,设备成本低,适用县域各类小型燃煤锅炉,推广应用前景可观。 In response to the problem of low efficiency and amplification of small-scale coal stoves in county areas,a low-temperature economizer and waste heat plate recovery transformation technology have been developed.This technology can effectively improve the efficiency of small coal stoves and significantly reduce pollutant emissions by adding economizers to regulate water temperature and plate and frame heat exchangers to collect waste heat.A small-scale boiler with a capacity of 50000 kilowatts can save 65 tons of coal annually through renovation,and the investment can be recovered in 2-3 years.This renovation process is simple and economical,with low equipment cost,suitable for various small coal-fired boilers in counties,and has a promising prospect for promotion and application.
作者 汤华振 李科育 TANG Huazhen;LI Keyu
出处 《化工设计通讯》 CAS 2024年第8期60-62,共3页 Chemical Engineering Design Communications
关键词 低温省煤器 锅炉 余热利用 节能减排 改造 low temperature economizer boiler waste heat utilization energy conservation and emission reduction reform
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