他们也倾向于生产劣质煤，这些煤在燃烧时产生相对高的污染水平。
They also tend to produce poor-quality coal which generates relatively high levels of pollution when burned.
文中尚对劣质煤沸腾燃烧锅炉中的埋管辐射放热系数进行了讨论。
The radiative heat transfer coefficients of the immersed tude within the operating conditions of the fluidized bed combustion boiler with low grade coal are also discussed.
固定层煤气发生炉试烧劣质煤，以解决煤价高、生产成本大的问题。
Burning faulty coal is tried out in a fixed-bed gasifier, to solve the problems of high coal price and production cost.
测定劣质煤的发热量时，在煤样中加入标准苯甲酸，帮助样品燃烧完全。
Calorific value of poor quality coal can be determined by addition of benzoic acid as standard, which can enhance the sample to burn out.
其竞争力主要源于可采用低价劣质煤，需要选择的主要是煤气化及甲烷化技术。
The competitiveness of coal-derived natural gas lies in the use of low-price, low-quality coal and technologies needed are coal gasification and methane production techniques.
从安装、运行、检修和技改的角度分析了影响燃烧劣质煤的循环流化床锅炉长周期运行的因素。
This article analysed the factors affecting long period working of the circulation fluidized bed boiler from the Angle of assembling, running, examining and repairing.
本文研究了在劣质煤燃烧中应用钝体稳燃装置降低飞灰可燃物损失和提高燃烧劣质煤的经济性问题。
The combustible loss reduction in the fly ash and the economic problem of improving the combustion of inferior coal in the boiler equipped with a bluff-body flame stabilizer are studied.
试验结果表明，钝体可显著改善劣质煤着火情况和大幅度提高燃烧效率，并可允许大幅度提高一次风率。
It is shown that both the ignition and the combustion efficiency can be significantly improved and the ratio of primary air can be greatly increased.
设法提高二次风温，保证窑、炉足够通风，适当调整配料方案是应用劣质燃煤的技术关键，劣质煤完全可保证大型预分解窑稳定生产。
The key technology of applying low grade coal is to increase secondary air temperature, ensure sufficient air in kiln and adjust the batching scheme properly.
因此研究劣质贫煤及贫煤掺烧其它煤种组成混煤的硫释放特性有着重要的意义。
So it is important to study the sulfur release characteristic of the high-sulfur lean coal and the blended coal which is composed of the lean coal and the other coal.
为燃用贫煤、烟煤和煤矸石等劣质燃料且锅炉炉膛高度较低的电站技改，提供了一种切实可行的方法。
The successful renovation provided a feasible method to retrofit some boilers with lower heights and burning low-grade coals.
通过实践和理论分析，证明了劣质烟煤是一种难着火的煤种，应与烟煤区别开来。
Through practices and theoretical analyses, it is proved that inferior bituminous coal is a particular kind of hard igniting bituminous coal, it should be differed from bituminous coal.
通过实践和理论分析，证明了劣质烟煤是一种难着火的煤种，应与烟煤区别开来。
Through practices and theoretical analyses, it is proved that inferior bituminous coal is a particular kind of hard igniting bituminous coal, it should be differed from bituminous coal.
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