查询词典 gas coal

Hence, based on deep analysis and research, the new type gas treatment series facilities are developed, which are composed of multiple bunker gas separators, Foehn wind ventilation shaft, universal wind deflector, brattice and two-way air regulator. As a result, a new way of gas treatment has been developed for the coal preparation plant.

为此，通过深入分析，研究开发了一种新型瓦斯治理系列装置，该装置构造设施由若干个煤仓瓦斯分离器、檒风通风塔、万向导风器、风幛和双向风窗组成，为选煤厂的瓦斯治理开辟了一条新途径。

A new desulfurization apprach for pulverized coal combustion is introduced in this paper; pulverized coal is first burn in a precombustion furnace under oxygen deficient condition (about 30% air needed in boiler is provided for precombustion), in precombustion moust of sulfur in coal is decomposed and oxidized, and evolved, the sulfur evolved is trapped in a desulfurizing fluidized bed by calsuim, and then the char and gas are introduced to the boiler furnace for complete combustion.

本文提出了一种煤粉燃烧脱硫新方案，利用煤中硫优先氧化分解释出的原理，用少量的空气（大略为锅炉实际空气用量的30％），在一前置燃烧室中，使煤粉中硫的绝大部分被分解氧化，释放出来，释放出来的硫在脱硫流化床中被石灰脱硫剂脱除，未燃烧的炭粒与烟气再吹进锅炉膛中完全燃烧。

The main way to process local produced coal is carbonization at lower temperature with semicoke, coal tar, coal gas, and so on as the products.

利用陕北低变质煤为原料进行低温干馏，得到半焦及煤焦油、煤气等产品，是目前陕北地方煤化工的主要工艺。

In order to solve the safe mining question of the coal seam unmined which is in the second level in Xiaonan coal mine, took the No. 14 coal seam as an example and analysed the geologic agent systematically which influence the gas hosting.

为了解决晓南矿二水平未开采煤层的安全开采问题，以14号煤层为例，系统地分析了影响瓦斯赋存的地质因素。

The organic facies are researched in the region, the result indicated: coal rock is mainly the better hydrocarbon source rock and has better latent capacity of producing oil and gas. Feature of reservoir was analyzed, the result indicated: from south to north of along qiguang fault, the depth of coal bed augments inch by inch; the coal bed thickness accretes at first and then decreases until steady.

通过对研究区的煤岩有机相特征的研究，得出：煤岩主要为较好烃源岩，具有较好的生油气潜力；分析了煤储层特征，结果表明：在垂直齐广断裂由南往北方向上，煤层埋深逐渐增大；煤层总厚度先增大后减小至稳定。

Detailed analysis is conducted on the velocity field, the pulverized coal concentration and temperature, and the results indicate that: in the first stage of the two-stage oil-less ignition system, the flow characteristics and the distribution of pulverized coal concentration make for the ignition of pulverized coal by heating pipe, and during procedure of ignition there are three different kinds of temperature distribution on the cross sections of heating pipe; the flow characteristics in the second stage makes for the mixing of gas phase, and the flame temperature is higher in the second stage.

详细地分析了燃烧器内部速度场、煤粉颗粒浓度场和温度场，结果表明：在燃烧器的第一级，其流动特征及煤粉颗粒浓度分布有利于加热管道对煤粉颗粒的点燃，点燃过程中加热管道的截面上有三种不同的温度分布；燃烧器第二级内部流动特征有利于气流的混合，第二级的火焰温度比第一级更高。

Based on PKM gasifier coal lock hopper auto feed coal DCS system program's development and application, PKM Gasifier can auto feed coal and produce gas safely and steady.

通过对加压气化炉煤锁DCS自动加煤系统的开发与应用，来实现PKM气化炉加煤的自动和优化控制，以确保气化炉稳定运

The poly-generation process,which combined the CFB combustion and coal pyrolysis is one of the effective coal utilization means in our country.This process is based on CFB,and combined combustion with pyrolysis.It make the combined produce of heat,electricity,gas and tar in a system become reality.This paper summarized the research situation about solid heat carrier coal pyrolysis based on CFB.

循环流化床燃烧/煤热解多联供技术是我国煤资源的有效利用方式之一，该工艺过程是以CFB为基础，集燃烧和热解工艺于一体，实现了热、电、气、油在一套系统中的联合生产，同时对基于CFB的固体热载体煤热解工艺的研究状况进行了综述。

The actual distribution of unload zone of coal seam ahead of working face can be shown by continuously testing the initial gas flow from coal seam during hole drilling, which can be used to forecast the outburst danger of coal roadway.

连续测定钻进过程中的初始瓦斯流量可以反映工作面前方卸压带的实际分布，从而准确地预测煤巷的突出危险性。

Currently, in order to control gas and enhance CMM recovery, various methods are adopted in Jixi Coal Mining Area such as upper roadway CMM drainage of low-permeability coal seams, upper near-horizontal hole drilling, coal seam plus-angle hole drilling, and roof large-diameter horizontal hole drilling, with satisfactory drainage results.

目前矿区为治理瓦斯，加大煤层气抽采，采用低透气性煤层的高位巷道抽采、高位钻场近水平钻孔、煤层钻场仰角钻孔抽采、顶板大直径水平钻孔等抽采方法，取得了良好的抽采效果。

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。