洗精煤

介绍了盘江煤电（集团）公司火烧铺矿选煤厂解决无压三产品重介质旋流器精煤中带矸石的经验，火烧铺矿选煤厂通过强化原煤润湿、规范操作彻底解决了主洗精煤带矸石。

The experiences of solving the problem that the main cleaned coal from the free-flow three-product heavy medium cyclone contained some gangue in the Washery of Huoshaopu Mine are introduced .

介绍了鞍钢新建洗精煤全断面采样装置的工艺流程、设备概况；

The brief introduction to the process flow and equipment of the newly built whole section sampler for washed coal in Anshan Iron and Steel Complex is given .

一个洗精煤的使用和库存管理问题

A Problem of the Use Rate and Inventory Management of Coking Coal

在原煤转化为城市管道煤气过程中，原煤的洗选过程脱除了70%的汞；焦碳中汞含量占洗精煤汞含量的11.4%；

In raw coal cleaning procedure , 70 percent of mercury was eliminated .

洗精煤杂物分离箱结构参数的优化试验

Optimization Test on the Structural Parameter of Separating Box where Impurity Is Washed away from Extract Coal

总结了富氧喷吹洗精煤的试验研究，分析了冶炼效果及取得的经济效益

The trial research of cleaned-coal injection with rich oxygen in B F is concluded , smelting results and economic profit gotten are analyzed

利用正交试验，在磁化杯中，对淮南洗精煤和北宿煤的成浆性能进行了初步研究。

The features of coal water slurry was studied based on the cross test for Huainan washing coal and Beisu coal in the existence of magnetic field .

与洗精煤主产品乃至原煤相比，这些副产品灰分高、硫分高、水分高而发热量低。

As well as the washed coal , compared to the main product , there is a high ash content of these by-products : high-sulfur , high moisture and low heat .

以坪湖煤矿洗精煤煤质化验结果为依据，探讨了该矿精煤灰分和高位发热量之间的相关关系，并得出其经验公式。

Based on the test data of clean coal of Penghu Coal Mine , the correlation of ash and gross calorific value was discussed , and the empirical formula was educed in this paper .

以洗精煤为还原剂的深度还原铁粉中钙、镁的含量相对较低，硅和铝含量符合直接还原铁产品的要求。

The contents of magnesium and calcium in the deep reduction iron powders used washery coal as reduction reagent were low comparatively and contents of silicon and aluminum met demand of direct reduced iron .

根据运行结果分析，使用洗精煤能提高合成氨装置的运行率和负荷率，从而使合成氨生产成本整体有所降低。

According to the analysis of the operation results , using washery coal can increase the production rate and the capacity of the synthetic ammonia plant , and reduce the cost of the ammonia production .

为改善太原市大气污染现状，必须将原煤洗选为洗精煤，引进并开发适合我国国情的除尘、脱硫效果好的先进技术与设备。

In order to improve present situation of air pollution in Taiyuan City , the raw coal must be selected by washing , and advanced techniques and equipments suitable for China 's situation with good dedusting and desulfurizing effect should be introduced and developed .

实施中煤再洗工艺增加精煤产率

Implementing the middlings rewashing process to increase cleaned coal yield

通过对瘦十一级精煤产品结构现状分析，预测增洗十级瘦精煤的产品产率及利润。

Analyzes the exist state of 11 level lean prepared coal production , to forecast the rate and profit of producting 10 level lean prepared coal .

通过改造60万t跳汰系统，实现对A、B、C系统中煤再洗，使主系统洗九级精煤时，回收率提高了2%～4%。

By improving the 0 . 6 Mt jig preparation system , to realize re-separation for middling of A , B , C system , the recovery have raiaed 2 % ~ 4 % when the main system separat 9 level clean coal .