Nm3

The maximum heat value of gas is as high as 9.93 MJ / Nm3 .

煤气热值最高可达9.93MJ/Nm~3。

Cause Analysis and Reform of Impeller Jump of 15 000 Nm3 / h Oxygen Turbine Expansion Machine

15000Nm~3/h制氧透平膨胀机叶轮窜动分析及改造

Discussion on Explosive Accident of Cooling Box in 28000 Nm3 / h Linde Air Separation Unit

一起28000m~3/h空分装置冷箱内爆炸分析

Capacity is raised from 3700 Nm3 / h to 4500 Nm3 / h through innovation .

通过扩容改造，氯压机的生产能力由3700Nm3/h提高到4500Nm3/h。

The experimental NOx reduction rate was 70 % - 80 % . The NOx emission concentration was below 200mg / Nm3 .

试验室的脱氮率为70%~80%，NOx的排放浓度可在200mg/Nm3以下。

When gasification temperature is 1000 ° C , The syngas with HHV of 6.19 MJ / Nm3 has been gained at temperature of 1000 ° C.

气化反应温度为1000℃时，获得了热值为6.19MJ/Nm~3的合成燃气。

Soot system of fluidized bed boiler has high density by 200 ~ 300g / nm3 , high humidity and mixed components , so the abrasiveness to the decontamination system cannot be ignored .

沸腾炉烟尘含尘浓度高达200～300g/m3，并且温度高，成分杂，其对净化系统的磨损性不容忽视。

The pure degree of oxygen attain 99.96 % , the pure degree of nitrogen spirit come to a 99.99 % , liquid argon yield 75 Nm3 / h , come to a to design the target .

氧气纯度达到99.96%，氮气纯度达到了99.99%，液氩产量75Nm~3/h，达到了设计目标。

To analyse the cause of impeller jump of 15 000 Nm3 / h oxygen turbine expansion machine , put forward the technical reform measurement , solve the hidden trouble in operation and gain the remarkable economic benefit .

分析了15000Nm~3/h制氧透平膨胀机叶轮频繁出现窜动的原因，并提出了具体的技术改造措施，解决了设备运行中存在的隐患，取得了可观经济效益。

The most proper specific energy was 4 Wh / Nm3 . By infrared spectrum analysis , the gases ejected from the reactor have the compositions such as carbon monoxide , carbon dioxide , and other organic byproducts .

最佳能量密度应保持在4Wh／Nm~3。经对反应后的气体进行红外光谱分析，发现有CO，CO2的生成。

The gas yield of pyrolysis of Fushun peat on end temperature 850 ℃ is about 290NM3 / T , its heat value is more than 3400kcal / NM3 and the adsorbability of char is higher .

两段热解煤气产率随一段热解温度升高而增大。850℃时每吨泥炭产煤气约290m3，煤气热值为3400kcal／Nm3，其半焦的吸附活性较高。

The results achieved at long time steady operation status of the facility show that , with air as gasification agent , the system can produce 4-5MJ / Nm3 low heating value gas and the carbon conversion efficiency increases with the bed temperature in the gasifier .

试验结果表明，空气部分气化半焦燃烧方案得到的煤气热值较低，为4-5MJ／Nm~3，气化炉床层温度对碳转化率影响较大，随着反应温度升高碳转化率提高。

By using circulating fluidizing gas as heat carrier , a continuous pyrolysis of straw without oxygen and steam consumed was implemented and when the gasification temperature was over 700 ℃, the heat output of the gas was greater than 11 MJ / Nm3 .

采用改进的固体热载体循环流化技术，秸秆粉料也能实现连续高温热解，不用富氧和蒸汽作流化剂，在700℃以上获得了热值大于11MJ/Nm3的生物煤气。

The optimal gasification temperature between 940 ~ 980 ℃ and the reasonable ratio of coal to total air supply between 0.7 ~ 0.8 kg / Nm3 are deduced from the teats for this type of gasifier with air and water steam as a gasification medium .

得到了以空气和水蒸气作为气化剂的煤气发生炉的气化适宜床温在940～980℃，合理的给煤量和总空气量之比在0.7～0.8kg／Nm3之间。

The latest census in 2007 showed that the NOx of concentration of new dry process cement kiln accounted for more than 800 mg / Nm3 13 % , more than 500 mg / Nm3 less than 800 mg / Nm3 accounted for 57 % .

2007年最新普查结果显示，新型干法水泥窑NOx排放浓度大于800mg/Nm3的占13%，大于500mg/Nm3小于800mg/Nm3的占57%。

The system can produce 12-14MJ / Nm3 middle heating value gas by using high temperature circulation solid as heat carrier and recycle gas or steam as gasification media , but the fuel conversion efficiency is lower in the gasifier and most of fuel energy is converted in the combustor .

再循环煤气煤热解半焦燃烧方案产生的是12-14MJ／Nm~3中热值煤气，但气化炉内碳转化率较低。

The results show that the once-through absorption rate of 2 % H2S containing gas can reach 99 % and electricity consumption for hydrogen production can be reduced to 2.0 kWh / Nm3 H2 under the condition of 80 ℃, nounal atmosphere and using the bubbling bed absorption unit .

试验表明：在常压、80℃、采用鼓泡床吸收器对含2%的硫化氢气体的一次吸收率可达99%，电解制氢电耗可降至2.0kw·h／Nm3H2。