查询词典 gas coal

In this paper, hazard theory is combined with coal mine gas accident and coal mine hazard is put forward, analyzing gas accident hazard by the three class of hazard.

本文将危险源理论和煤矿瓦斯事故相结合，提出煤矿危险源这一全新概念，用三类危险源思想来分析瓦斯事故危险源。

The invention of this technology is pioneer in China, leader in the world, filing the blank in the gas treatment of coal preparation plants in China; 2. Effectively treat the amassing of gas in the bunker in the coal preparation; 3. It can substitute the commonly used axial fans, which can bring in the considerable economic benefit and social benefit.

其技术特点：1、该技术的发明属于国内首创，国际领先，填补了我国选煤厂瓦斯治理的空白；2、有效的治理选煤厂煤仓瓦斯积聚问题；3、以其取代常用的轴流式通风机，所带来的经济效益相当可观。

It uses two normal-pressure fluidized beds and makes the material circulate between the two beds, the fluidized bed boiler produces steam and the fluidized bed coal cracking furnace is used for pyrolyzing coal powder to produce meidum caloricity coal gas; the heat quantity needed for coal pyrolysis is provided by hot ash acted as heat carrier.

流化床煤气－蒸汽联产工艺及装置，它采用两个常压流化床，使物料在两床之间循环，流化床锅炉产生蒸汽，流化床煤裂解炉用来热解粉煤，产生中热值煤气；热灰作为热载体提供煤热解所需的热量。

The noxious gas contained in the tail gas out of garbage incinerator and coal burning boiler is collected by bag filter with japanese techniques, This technology can achieve desulfuration and harmness gas through ejecting slaked lime dry power and reaction auxiliary agent to fult gas, sulfur dioxide and harmful gas.harmful gas and slake lime carry chemical reaction adequately,forming solidastate calcium sulfate and and other attachments, which will either adhere to stive or coacervate into nice granule and finally been absorbed.

垃圾焚烧炉尾气中的有害物质和燃煤锅炉煤中的硫燃烧后主要是以二氧化硫的形态存在，这种呈气态的二氧化硫和有害气体是无法用任何其它种类除尘器收集和捕捉的。本技术是通过向含有粉尘、二氧化硫和有害气体的烟气中喷射熟石灰干粉和反应助剂来实现脱硫、脱有害气体的。二氧化硫、及有害气体和熟石灰在反应助剂的辅助下充分发生化学反应，形成固态硫酸钙(CaSO4)和其它附着物，附着在粉尘上或凝聚成细微颗粒，随粉尘一起被袋式除尘器收集下来。

Xiucheng Coal Mine:Coal mining hit area is 16 sqm,coal mining reserves is 6 million tons,it is a kind of gas rich coal with 6580 c/g.and it belongs to a kind of industrial coak.

休城煤矿：矿井面积16平方公里，可采储量6432万吨，煤制裁为气肥煤，发热量为6580卡/克，属优质配焦工业煤。

The process that gas desorbs from coal containing gas is a process of decalescence during which the coal temperature comes down gradually.

含瓦斯煤体在破裂过程中产生热效应，而且随着裂纹的扩展在裂尖区会产生附加温度场。

The paper first constructs the relating technology framework between coal low temperature self-heating thermal properties parameters and spontaneous combustion, by means of testing on coal samples of diffusibility relative to oxygen, gas-producing simulation in self-ignition process, adiabatic oxidation process, coal spontaneous combustion processing simulation, coal basic physical and chemical parameters, thermal analysis by differential scanning calorimeter , differential thermal analyzer , Thermogravimeter .

通过对试验煤样进行煤对氧的扩散特性试验、煤自然发火过程中气体产物模拟实验、DSC差示扫描量热热分析测试、DTA与TG热分析测试、煤自然发火绝热氧化过程试验、煤自然发火过程模拟试验、煤基础物理化学参数测试的试验研究，就煤对氧的扩散与吸附特性、煤自燃氧化过程中的热力特性与气体产物特性及其与煤自然发火过程之间的相关特性进行了较系统的研究，初步建立了煤低温氧化自热热物理特性参数与煤自然发火之间相关联的技术内涵。

In this thesis the development status of MHD power generation technology is reviewed, and the key points constructing a MHD-steam combined cycle are investigated. A kind of flow train of coal gasified MHD-steam combined cycle system is put forward, which is different from previous ones. In this scheme one part of the high temperature flue gas out of MHD generator channel is utilized to gasify the coal, then the clean syngas is produced in the tail gasifier and the energy of high temperature flue gas is used effectively.

本论文评述了磁流体发电技术的发展现状，分析了磁流体—蒸汽联合循环发电系统构成的问题，提出了一种不同于前人研究的尾气煤气化磁流体—蒸汽联合循环的流程方案，该系统利用磁流体发电通道出来的尾气的一部分进行煤气化，这样既生成干净的燃料混合气体又利用了高温尾气的能量。

In the current information-intensive society , with the constant growth of infare such as the ackstage supporter , stand , as target , develop with coal gas one can meet management expectancy " whether coal gas stand administrative system " to a certain extent.

本论文就是以Delphi7.0为前台和ACCESS2000为后台等软件作为开发工具，以煤气站为对象，开发一个从某种程度上能满足管理要求的"煤气站管理系统"。

Flame observation: If it shown yellow in flame cone, blue around, and the opposite wall could be seen through peep hole, that means the blending ratio of air and coal gas is ok. If air excess, it shown sky blue, bright, and the wall of combustion chamber could be seen clearly but dulling. If coal gas excess, it shown dark red, muddiness, and the wall of combustion chamber could be seen hardly.

1火焰观察：从窥视孔观察燃烧室火焰，如果火焰中心呈黄色，四周微蓝，透明，清晰可见燃烧室对面砖墙，则为空气煤气配比合适；如果空气量过多，则呈天蓝色，明亮耀眼，燃烧室砖墙清晰可见，但发暗；如果煤气量过多，则呈暗红，混浊不清，难见燃烧室砖墙。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。