查询词典 coal

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。

At the same time, two different coal feeding methods - coal from the vertical pipe and from the inserted tube, were separately simulated and analyzed. According to the internal flow distributions under two different coal feeding methods, we made a judgement that the former feeding method was better than the latter.

为了进一步对煤粉捏合器进行优化设计，按照上述方法本文从改变旋转轴的转速、改变煤粉跟溶剂油的进口流量、改变搅拌桨叶形式以及改变搅拌桨叶外端与混合槽壁间距几个方面重新进行了数值模拟与分析。

And the output of the sensor is less dependent on the flow regime. 7. The helical phase concentration sensor designed has been used in the coal puffing system of the 3# blast furnace in Bao Gang to measure in-situ the coal concentration of the main pipe. Combined with the capacitance velocity sensor, the instantaneous mass flowrate of the pneumatic conveying coal is obtained.

在实验室条件下对螺旋形状表面板电容式相浓度传感器的理论优化结构进行了实验验证，对边保护极板提高检测场中心区域灵敏度的作用也进行了实验验证，静态实验结果与理论计算结果相符，传感器检测场的均匀性误差为4.18%，输出线性度好，对流型变化不敏感。

China is the world's biggest coal producer, and the world's seventh-biggest economy depends upon coal for about 70 per cent of its surging energy needs, yet retrieving the coal is a deadly task.

中国是世界最大的煤炭生产国，而且这个世界第七大经济体不断增长的能量需求中有70%依赖于煤炭。然而，煤炭的采掘却是一项有致命危险的任务。

After coal blending, the ignition and slagging behaviors of said coal have been obviously improved, temperature field in the furnace and slagging tendency being also obviously improved, but having certain influence upon the drying capacity of coal pulverizer.

配煤后，其著火和结渣特性得到明显改善，炉内温度场及结渣情况明显改善，但对磨煤机乾燥出力有一定影响。

Based on the experiment of flocculation setting for hydraulic coal mining screen underflow primary slime and floatation gangue at Daoqing coal preparation plant, the influence of pH on flocculating effect of coal slurry was reviewed.

马正先 1。辽宁工程技术大学资源与环境工程学院，阜新 123000；2。通化矿业道清选煤有限公司，白山 134309佟明煜 1。辽宁工程技术大学资源与环境工程学院，阜新 123000朴正武 2。通化矿业道清选煤有限公司，白山 134309

Leading products are: ZSG series efficient heavy screen, GQMS high rate of powerful special screening of coal, such as thick oval Shaker, YA type YK-round vibration sieve, SZR series of thermal mineral shaker, MZS series of pulverized coal shaker, ZWS vibration Network Screen, K-type reciprocating to the coal machine, ZFB series of anti-blocking, DKS granular urea screening machines, ZG series motor vibrating feeder, GZD electromagnetic vibrating feeder, the feeder disk, LS, GX-screw conveyor, PL, D-type bucket elevator, DJ, JB-steep, vertical belt with corrugated wall machines, mobile ZP-belt conveyor, Gechongfeibiao structural design and fabrication.

主导产品有：ZSG系列高效重型筛、GQMS高幅强力煤炭专用筛、椭圆等厚振动筛、YA型、YK型圆振筛、SZR系列热矿振动筛、MZS系列煤粉振动筛、ZWS振网筛、K型往复给煤机、ZFB系列防闭塞、DKS大颗粒尿素筛分机、ZG系列电机振动给料机、GZD电磁振动给料机、圆盘给料机、LS、GX型螺旋输送机、PL、D型斗式提升机、DJ、JB型大倾角、垂直波状挡边皮带机、ZP型移动式胶带输送机、各种非标结构件的设计及制造。业务覆盖全国各地，远销国外。

Leading products are: ZSG series efficient heavy screen, GQMS high rate of powerful special screening of coal, such as thick oval Shaker, YA type YK-round vibration sieve, SZR series of thermal mineral shaker, MZS series of pulverized coal shaker, ZWS vibration Network Screen, K-type reciprocating to the coal machine, ZFB series of anti-blocking, DKS granular urea screening machines, ZG series motor vibrating feeder, GZD electromagnetic vibrating feeder, the feeder disk, LS, GX-screw conveyor, PL, D-type bucket elevator, DJ, JB-steep, vertical belt with corrugated wall machines, mobile ZP-belt conveyor, Gechongfeibiao structural design and fabrication.

主导产品有：ZSG系列高效重型筛、GQMS高幅强力煤炭专用筛、椭圆等厚振动筛、YA型、YK型圆振筛、SZR系列热矿振动筛、MZS系列煤粉振动筛、ZWS振网筛、K型往复给煤机、ZFB系列防闭塞、DKS大颗粒尿素筛分机、ZG系列电机振动给料机、GZD电磁振动给料机、圆盘给料机、LS、GX型螺旋输送机、PL、D型斗式提升机、DJ、JB型大倾角、垂直波状挡边皮带机、ZP型移动式胶带输送机、各种非标结构件的设计及制造。

This paper studies the ship distribution of coal transportation routine arranged by Shanghai Time Shipping Company Ltd, after Tai Chang Power Plant Second Phase expansion .This paper studies the issue of Tai Chang power plants coal shipping optimization. By selecting appropriate ships to transport coal by vessel, the total cost of transportation can be minimized.

本文主要研究了上海时代航运有限公司在太仓发电厂二期扩建后煤炭运输中船舶运输的航线配船问题，对船舶进行合理分配，以选择出适合运输的船舶种类及船舶数量，以达到航运总成本最低的目的。

Analyzing the principle of equation fetching something for the Coal Stacker and establishing mathematics model for it, I analyze the principle of mixing coal while stacking coal elementarily, and use the punish function method to make process optimum.

分析了斗轮机等量取料的原理并建立了相应的数学模型，并初步分析了斗轮机在堆煤时的混配煤原理，用罚函数法对其进行了优化。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。