焦炭

Thermal analysis was used in the investigation of reaction process for sulfuric acid production from phosphogypsum.

采用热分析方法研究磷石膏制酸过程中CaSO4与焦炭的反应进程。

Simulation research on the EAF dust online recycling and zinc oxide separation with coke bed filter was carried out by heating coke/dust samples in CO/CO2 gas mixture.

采用电炉粉尘与焦炭粉的混合试样，对利用焦炭过滤床在线回收电炉粉尘，在CO/CO2混合气体中氧化锌的还原分离工艺进行了模拟研究。

In order to solve the problem of the comprehensive utilization of acid tar,the acid tar is blended in coal for coke making in Meishan Iron and Steel Group Corporation.

为解决酸焦油的处理的问题，梅钢通过配煤炼焦试验，考察酸焦油配煤对配煤质量的影响和焦炭质量的影响，试验结果显示酸焦油配比为0.5%时，焦炭质量有所提高。

The analysis of the residual life of thermo-mechanical fatigue of coke tower plays important roles in improving security and avoiding accidents.

焦炭塔热机械疲劳剩余寿命的分析对于保证焦炭塔的正常运行、防止事故的发生有着十分重要的意义。

According to the present using condition, many of the Coke Towers are in the state of over -service .so in order to improve economic benefits and prevent accident occurring, it is of very vital for Coke Tower to be carried through safety estimation and lifespan analysis.

而从目前的使用状况来看，多数焦炭塔已处于超期服役状态，因此为提高经济效益，防止事故发生，对焦炭塔进行安全分析和寿命评估是十分重要的。

This paper regards Coke Tower delayed coking workshop of JINXI PETRO AND CHEMICAL COMPANY as the research object and accomplished the following content:(1) Checked the age degree and mechanical properties of the Coke Tower and analyzed the metallographic organization and mechanical properties of the coking drum and weld line obtained by checking.

本文以锦西石化分公司延迟焦化车间的焦炭塔为研究对象，重点开展了以下工作：(1)对焦炭塔的老化程度和机械性能进行了检验，对检验得到的塔体和焊缝的金相组织及其机械性能进行了分析。

The delayed cooking equipment process mainly consists of heating furnace, coke drum, fractionating tower and some other simple units. Since the heating, coking and fractionating are focused on this study, heating furnace, coke drum and fractionating tower are established and the suitable solution way is selected.

延迟焦化装置流程主要包括加热炉、焦炭塔、分馏塔和其他一些简单单元设备，本论文分别对加热、焦化、分馏过程进行研究，建立了加热炉、焦炭塔、分馏塔模型并选择适宜的解法。

Optimization of coke height control index of coker tower,decrease of circulating ratio ,revamp for perfection of the plant,and shortening coke formation period of coker tower,etc.

介绍中国石化镇海炼化分公司Ⅱ焦化装置投产后，通过采取一系列优化装置运行水平的措施：优化焦炭塔焦高控制指标、降低循环比、对装置进行完善改造、缩短焦炭塔生焦周期等，使装置处理量由设计值125 t/h提高至152t/h，能耗由设计值28.67 kg/t下降至23.2 kg/t左右，装置运行水平明显提高。

The results show that adding acid tar polymer in percent of 0.2, 0.5 or 1.0 into blending coal, the cold and hot intension, ash percent of coke changed not too much but the sulphur percent of coke changed upward and raised 0.01 to 0.03 percent.

试验结果表明：分别配用0.2％、0.5％、1.0％的酸焦油聚合物后，与基准样相比，焦炭的冷态强度和热态强度、灰分变化不大，而焦炭硫分随配量的增加呈现上升趋势，约上升0.01%～0.03%。

A model for predicting the sulphur content in hot metal based on neural networks is introduced. Blast temperature, blast flux, top temperature, burden, coal injection rate, sulphur content in ore, sulphur content in coke, sulphur content in coal and silicon content of last tap were selected as inputs. The inputs were treated with time lag to improve prediction.

采用3层BP神经网络来预报高炉铁水硫含量，根据高炉冶炼的实际生产数据，选取风温、风量、炉顶温度、焦炭负荷、喷煤量、矿石硫含量、焦炭硫含量、煤粉硫含量和上一炉铁水硅含量9个因素作为输入变量，为提高神经网络预报的准确率，对输入参数进行时滞处理。

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％。