细煤

This paper discusses the work principle of elastic vibrating- rod sieve, and through the transformation of the existing circular sieve-shakers, illustrates the functions of elastic vibrating-rod sieve in the process of the fine screening of moist coal , and points out some existing problems and developing directions in the future.

论述了弹性振杆筛的工作原理，通过对现有圆振筛的改造，阐明了弹性振杆筛在解决湿煤细筛分过程中的作用，并指出了存在的问题及今后的努力方向。

On the basis of theoretical analysis in comminution effect of the grains compressed by hydraulic pressure when it is released, this paper makes the experimental research on coal grains.

通过对受一定静水压力的物料颗粒压力突然释放后粉碎效应的理论分析，提出了利用压力释放效应对煤进行超细粉碎的设想，并进行了实验研究。

The explosibility of a coal dust cloud depends upon its fineness, purity, and volatile content.

对煤粉尘云爆炸性取决于其细度，纯度，和挥发物含量。

However , more oxygen functional groups is found in fusain though total oxygen is low .

值较高，易富集于较重的细粒径煤中，其总氧含量尽管较低，但是含氧官能团的数量较高。

On the traditional electrical property parameter apparent resistivity curves, besides compact fine sandstone, igneous rock and limestone have obvious high-ohmic anomaly, there are no obvious electrical property difference between coal and wall rocks, the curve almost show itself a straight line; self-potential log also can hardly to reflect regularities.

常规的电性参数视电阻率曲线除致密的细砂岩、火成岩及灰岩有明显的高阻异常反映外，煤与围岩无明显的电性差异，曲线几乎呈一条直线；自然电位参数曲线反映规律性也较差。

They are cement, quartz, feldspar, calcite, gypsum, limestone, dolomite, graphite, fluorite, aedelforsite, phosphate ore, fused calcium magnesium phosphate, carbamide , electrolytic manganese metal, ferromanganese, coal, gangue, slag, zirconium, steatite, granite, orthoclase, marble, barites, ceramics, glass, etc.

主要用于将块状物料磨成粗粉（细粉、细砂与中砂组成的混合物），例如水泥、石英、长石、方解石、石膏、石灰石、白云石、磷矿石、煤、煤矸石、矿渣、锆英砂、滑石、花岗岩、钾长石、大理石、重晶石、陶瓷、玻璃等莫氏硬度9.5级以下的高、中、低硬度物料。

They are cement, quartz, feldspar, calcite, gypsum, limestone, dolomite, graphite, fluorite, aedelforsite, phosphate ore, fused calciummagnesium phosphate, carbamide, electrolytic manganese metal, ferromanganese, coal, gangue, slag, zirconium, steatite, granite, orthoclase, marble, barytes, ceramics, glass, etc.

适用范围Application 主要适用于建材、化工、冶金、矿山、火电、煤炭等行业粉磨莫氏硬度在9.3级以下，湿度在6%以下的各种非易燃易爆矿产物料，成品细度可在30～400目任意调节。例如水泥、石英、长石、方解石、石膏、石灰石、白云石、石墨、萤石、硅灰石、磷矿石、钙镁磷肥、煤、煤矸石、矿渣、锆英砂、滑石、花岗岩、钾长石、大理石、重晶石、陶瓷、玻璃等千余种物料粉磨加工。

The main products are: Hammer, thermal conductivity detector, permeameter, contraction of the expansion device, hand-held strain gauge, waterproof material detector, low-bending device, slag ball content in separators, heat load tester, performance test combustion furnace, a variety of thickness, thermal expansion of graphite electrode NG, coal strength meter, electric tamping device, hydrophobicity tester, mineral wool density meter, concrete drilling sampling machines, sawing machines, removed machine, setstube machine, hydraulic bending machine, impervious tester, determination of heat resistance, heating telescopic measuring device, an extension device, penetration tester, small meter, viscometer, drying time tester, pencil hardness tester, pendulum hardness, the adhesion tester, film zoned grid, and resistant to scrubbing detector, solvent resistance detector, wearable device, flat grinding device, wear-resistant coating shakeout device, staining resistance tester, impact tester , piercing instrument, instrument bending film, film coating, and sanding machines, cone-shaped grinding, high-speed dispersion machine, three roller grinder, Scratch tester, indentation tester, gloss Miriam, white tester, fresh video of Miriam, Miriam reflectivity, iron cobalt colorimeter, paint density cup, crack resistance testing apparatus, leveling device, flow hanging device, visual color box, the minimum temperature detector into a grinding, low temperature brittleness tester, visual color boxes, electronic pull machine, Mooney Viscometer, vulcanizing device, the proportion of direct-reading, the cold compression tester, heritage wearable device, Heritage scratch device, the friction coefficient detector, coating Detect zoned grid plate , coating resistance tester, such as burning a variety of test equipment.

主要产品有：回弹仪、导热系数测定仪、渗透仪、收缩膨胀仪、手持应变仪、防水材料检测仪、低温弯折仪、渣球含量分离器、热荷重试验仪、燃烧性能试验炉、各种测厚仪、石墨电极热膨胀仪、煤强度测定仪、电动击实仪、憎水性测试仪、矿棉容重测定仪、混凝土钻孔取样机、锯切机、磨平机、套丝切管机、液压弯管机、不透水试验仪、耐热性测定具、加热伸缩测定器、延伸仪、针入度仪、细度计、粘度计、干燥时间试验器、铅笔硬度计、摆式硬度计、附着力测试仪、漆膜划格器、耐洗刷测定仪、耐溶剂测定仪、耐磨仪、平磨仪、涂层落砂耐磨仪、耐沾污测试仪、冲击试验仪、穿孔仪、漆膜弯曲仪、涂膜涂布器、砂磨机、锥形磨、高速分散机、三滚研磨机、划痕试验仪、压痕试验仪、光泽仪、白度仪、鲜映性仪、反射率仪、铁钴比色计、涂料密度杯、抗裂性试验仪、流平仪、流挂仪、目视比色箱、最低成磨温度测定仪、低温脆性试验仪、目视比色箱、电子拉力机、门尼粘度仪、硫化仪、直读比重计、压缩耐寒试验仪、文物耐磨仪、文物划痕仪、摩擦系数测定仪、涂层检测划格板、涂层耐燃烧试验仪等多种试验仪器。

The experimental results under continuous beneficlation conditions showed that the coal of6mm size can be beneficiated efficiently with VFB, the probable error Ep values are 0.065～0.085, and the lower limit of beneficiation can reach 0.5mm.

研究并提出了振动流化床的分选机理及细粒煤三级分布理论。连续分选试验结果表明：振动流化床可有效地分选mm级煤炭，可能偏差Ep值为0.065～0.085，分选下限达0.5mm。

It is pointed out that the liquid bridge formed by extern water between two particles as well as particle and screen plate is the main factor which leadS to the deterioration of screening process.

潮湿细粒煤炭的粘附现象是导致筛分过程恶化的最主要原因，为解决这一问题，本文采用理论分析的方法对筛分作业中潮湿细粒煤的团聚机理进行了研究，指出外在水分在颗粒之间以及颗粒同筛面之间形成的液桥是造成筛分过程恶化的首要因素。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。