It was learned from CNPC that on October 11th, the integrated energy-saving and emission reduction project of coke oven gas invested by China Petroleum Kunlun Energy Company Huayou Natural Gas Company was put into operation in Wuhai. As the world's first large-scale coke oven gas methanation liquefied natural gas project, Wuhai Huayou coke oven gas comprehensive energy-saving emission reduction projects include two coke oven gas LNG plant, Wuhai-Yinchuan 223 kilometers gas pipeline With LNG refueling stations, the total investment is 4.7 billion yuan. The project started construction in April 2011. The terminal is supporting the construction of a coke oven gas replacement natural gas transformation project in Ningxia Petrochemical. On September 27, through the longest-distance hydrogen-rich coke oven gas transmission pipeline in the world, the purified gas was successfully introduced into Ningxia Petrochemical. The project achieved the goal of overall production in the first phase. This project adopts the world's advanced technology to efficiently use coke oven gas and is a demonstration project to realize emission reduction. It will collect and treat coke oven gas from 9 coke plants in Wuhai, and produce 500,000 tons of liquefied natural gas per year, reducing CO2 emissions by 207 Ten thousand tons, reducing sulfur emissions by 1,640 tons. The project terminal leads to coke oven gas from Ningxia Petrochemical, and after processing, it will replace natural gas as raw material for fertilizer plant production. At present, the second-phase methanation and liquefaction project of this project is under construction and is expected to be completed and put into operation in June 2013.
Manual Coal Steam Boiler Features
1.The boiler has big drum and have big enough space for water. Compared with the SZL series, the DZL boiler is more adaptable to poor water quality. Moreover , when the boiler scaled, it is convenient for maintenance.
2. Adopting convex tube plate, prevent tube plate cracking and simplify the structure of canceling the tension bar.
3. The Wing-shape flue arrangement, the flue gas is three pass, reduce the smoke temperature of high temperature area tube plate, thereby preventing the cracking of tube plate and Boiler tube explosion.
4. Adopting threaded smoke-tube technology, strengthen heat transfer, reduce the number of pipes and the size of boiler shell; reduce the thermal stress at the end of the pipe, and prevent cracking of the tube plate. At the same time, due to the self-cleaning ability of the flue gas in the threaded pipe, avoid the accumulation of dust in the tube.
5. The boiler has sufficient output, fast speed heating and high thermal efficiency.
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