还原炉

An analytical study and numerical simulation of the pyrolysis chemism and the release of volatiles of micronized coal , accompanying NOx reduction during its recombustion in EFR, has been conducted.

对立式管式携带炉内再燃还原NO过程中超细煤粉热解化学机理及挥发份的释放进行了分析和数值模拟研究。

Main problems that should be noticed in using DRI in EAF steelmaking process are summerized.

分析了直接还原铁迅速发展的原因，简要介绍了主要的直接还原工艺，指出了我国发展直接还原铁的方向，总结了电弧炉炼钢使用直接还原铁应注意的主要问

The reduction reaction process of exogenic high temperature CO2 and biomass for preparing combustible gas includes setting biomass into furnace, and spraying high temperature CO2 and combustion promoting water vapor from external burner so as to gasify ligonocellulose and similar biomass into combustible gas with CO and H2 as main components.

一种外源高温CO 2 与生物质还原反应制取可燃气体的工艺，生物质被置入炉内后，再用外置燃烧器向炉内生物质喷入由水蒸气助燃的高温CO 2 ，利用二氧化碳和水蒸气作为气化剂，在高温下，将木质纤维素类生物质气化生成以CO、H 2 为主要成分的可燃气体。

Furnace acid is made by reducing phosphate rock with loke in an electric furnace.

炉酸是在电炉中用焦炭还原磷矿制得的。

In low basicity, because of the low melting of the slag phase, it is bad for the gas-solid reaction of ferric iron oxide and separating iron from slag The research discovered: Sulfur can be deprived above 90% during direct reduction. The mechanic of desulphurization is gasification desulphur.

研究发现，在直接还原过程中可以脱除90%以上的硫，脱硫主要机理是气化脱硫，内配煤团块中的硫化物和有机硫进入气相，一部分随炉气脱离团块，一部分被配入的CaO吸收。

Hydrogen is also a product of reduction process in the gasifier.

氢也是一个还原过程，在气化炉产品。

The two combining equations of the oxygen balance and the enthalpy balance for prereduction and smelting reduction reactors are formulated respectively- Two equations can be related reasonably by means of calculating thermodynamic results and the Rist dia...

由热力学计算，将上、下两部有机联系起来，得到全过程Rist操作线图。从而，建立了竖炉-铁浴二步法熔融还原过程数学模型，可用来计算全过程氧耗和燃料比等操作参数。

A low volatile bituminous coal was used as reburn fuel.

利用一种低挥发分烟煤作为再燃燃料，在煤粉携带炉中进行了该种煤再燃还原NO的实验研究。

Re-W alloy is oxidized and separated through air lancing reaction in a tubular oxidizing furnace with different temperature zones, and the Re oxide is heated and reduced in H2 atmosphere to obtain high purity Re powder.

将钨铼合金在具有不同温区的氧化气氛管式炉中进行吹扫反应，同时对不同区域温度、吹扫气体流量、反应系统出口气流量进行集中控制，以便在合适的气氛与温度下使钨铼合金充分氧化，并得到有效分离，最终对铼的氧化物在氢气氛中加热还原，制得高纯铼粉。

During the reduction process in the shaft furnace, sulphur may move in different directions between the solid raw materials and the reducing gas.

在竖炉直接还原生产海绵铁的过程中，没有熔剂和造渣过程，矿石或球团仅与还原气接触。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。