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锅炉>>行业动态
生物质成型燃料的发展前景及存在问题
发布者:admin  日期:2016-05-13  点击:792

  通过改造燃煤锅炉燃烧室和辅助供风系统,主要是采用强制机械通风方式,在锅炉下部增加布风室、增加炉膛二次供风、调节进料斗燃料层厚度等,町解决卜.述不良现象,满足牛物质成型燃料的充分燃烧。经试验,燃煤锅炉改造成生物质成型燃料锅炉后可达到相同的工作出力,锅炉热效率达58%以上。

Throughtransformation of coal-fired boiler(www.rguolu.com) combustion chamber and auxiliary air supplysystem is mainly adopted mandatory mechanical ventilation mode, increase theair distribution chamber in the lower part of the boiler, increasing furnacesecondary air supply, adjusting the fuel hopper layer thickness etc., Ting Busolve. The bad phenomenon meet the full combustion of the bovine materialmolding fuel. After the test, the coal fired boiler is transformed into abiomass briquette boiler, which can achieve the same working output, and thethermal efficiency of the boiler is more than 58%.

 

日前我国农作物秸秆町收集量为6.87亿吨,约3.43亿吨可作为燃料使用;林业剩余物可获得量在810亿吨,约3亿吨可作为能源利用。将其两者压缩加工成牛,物质成型燃料折合可达约3.72亿吨标准煤,实现农业和林业有机废弃物的综合利用。具有一定的社会和经济效益。同时,促进可再生能源的发展,对缓解能源紧张、优化能源结构具有重要作用,资源潜力大、发展前景好。

Recentlycrop straws in China Town Collection for 687 million tons, about 3.43 milliontons can be used as fuel; forestry residues can be obtained amount in 8 - 10million tons, about 3 million tons can be used as energy sources. The twocompression processes are processed into cattle, and the material forming fuelis converted into an equivalent amount of about 3.72 tons of standard coal torealize the comprehensive utilization of agricultural and forestry organicwastes. Has a certain social and economic benefits. At the same time, topromote the development of renewable energy, to ease the energy shortage,optimize the energy structure has an important role in resource potential, goodprospects for development.

 

  生物质成型燃料经压缩而成。密度高、挥发份溢出速度慢、水分含量人,若现运行中的燃煤锅炉不加改造直接使用生物质成型燃料,锅炉容易出现出力小稳、容易冒黑烟、粉,叠污染等现象。

Biomassbriquette by compression. High density, volatile overflow speed slow, moisturecontent, if present in the operation of coal-fired boiler without modificationdirectly shaping the use of biomass fuel, boiler to output stable, easy to takethe black smoke, powder, stack pollution phenomenon.

 

锅炉运行的经济性主要取决于燃料的热值、价格和锅炉的热效率,从表3比较锅炉分别以牛物质成型燃料、煤、柴油和天然气为燃料的运行成本得出:天然气>柴油>生物质成删燃料煤。虽然锅炉燃用牛物质成型燃料的运行成本稍高于燃煤,考虑到燃用生物质成犁燃料产生的SO2有较大程度的降低.可减少烟气脱硫的成奉;另一方面,煤炭、柴油、天然气等化石能源随着需求持续增长,以及大量开采而逐步衰歇,必然导致价格不断上扬,会带来的一定经济负担。综合比较燃煤锅炉改造成生物质成型燃料锅炉在经济上有一定的竞争优势。

Boileroperation economy depends to fuel calorific value, price and the boiler thermalefficiency, from table 3 boiler respectively to cattle material molding fuel,kerosene, diesel oil and natural gas fuel operation cost that natural dieselgas > > biomass into foreign fuel coal. Although the operation cost ofthe boiler burning bovine material molding fuel slightly higher than coal,taking into account the burning biomass plow fuel to generate SO2 is greatlyreduced. Can reduce the flue gas desulfurization of Feng; on the other hand,coal, oil, natural gas and other fossil energy with continued growth in demand,and a large number of mining and gradually decline, will inevitably lead toprices continue to rise, will bring certain economic burden. Comprehensivecomparison of the transformation of coal-fired boilers into biomass briquetteboiler has a certain competitive advantage in the economy.

 

  但由于我国生物质成型燃料产业正处在发展初期,市场尚未成熟,质鼍、价格相差较人,供求不稳定,行业标准还小健全。需要国家有关部门制定相应的配套政策扶持和推动产业发展。

Butbecause of China's biomass briquette industry is in the early stages ofdevelopment, market is not yet mature, quality, price difference is,instability of supply and demand, industry standard also small sound. Requiresrelevant state departments to develop appropriate policies to support andpromote the development of the industry.

文章来源:http://www.rguolu.com/news.asp?lt=531
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