低塔风冷结晶造粒,crystallization granulation with air cooling in lower prilling tower
1)crystallization granulation with air cooling in lower prilling tower低塔风冷结晶造粒
1.The principle,process, technological characteristics,application and extension are described of the meltcrystallization granulation with air cooling in lower prilling tower and for urea-based compound fertilizer production,which takes a reference for new-built or improved plant at home and abroad.阐述全熔融低塔风冷结晶造粒技术生产尿基复合(混)肥工艺的原理、流程、特点以及应用与推广情况,为国内各复合(混)肥厂家新建生产装置或技术改造提供参考。
英文短句/例句
1.Technology for melt crystallization-granulation with air cooling in lower prilling tower and its application全熔融低塔风冷结晶造粒技术及应用
2.Effect of out tower particles temperature by natural ventilation prilling tower into air volume浅析通风造粒塔进风量对出塔粒子温度的影响
3.Discussion on Water Film and Water Grain Problems in the Modification of Old Cooling Tower改造老式冷却塔群的“膜”与“粒”之争
4.Cold rolled low-carbon steel sheet--Ferrite grain size--Test methodsGB/T4335-1984低碳钢冷轧薄板铁素体晶粒度测定法
5.Energy saving renovation for the electric fans of the big mechanical ventilating cooling tower大型机械通风冷却塔电动风机的节能改造
6.The application of inverter in cooling tower fan system modification was introduced.介绍了变频器在冷却塔风机系统改造中的应用。
7.The Performance Evaluation of Cooing Tower with Air-intake Modification of 300MW Unit300MW机组冷却塔进风优化改造前后的性能评价
8.induced draft mechanical cooling tower抽风式机械通风冷却塔
9.forced draft mechanical cooling tower鼓风式机械通风冷却塔
10.Code for design of counter flow-type mechanical draught cooling tower structure for petrochemical enterprises石油化工逆流式机械通风冷却塔结构设计规范
11.Numerical Simulation and Structural Optimization of Natural Draft Wet Cooling Tower自然通风湿式冷却塔数值模拟与结构优化
12.Investigation on recrystallization texture in low-carbon steel sheet based on CSP technologyCSP条件下冷轧低碳钢板再结晶织构的研究
13.Microstructure of a low-carbon steel intercritically quenched and its recrystallization after cold rolling亚温淬火低碳钢的组织特性及冷轧后的再结晶
14.Study of Submicron Grain Cemented Carbide in Low-pressure Sintering Technique;亚微细晶粒硬质合金低压烧结工艺的研究
15.EVOLUTIONS OF GRAIN ORIENTATION AND DISLOCATION BOUNDARY IN AA1050 ALUMINUM ALLOY DURING COLD ROLLING FROM LOW TO MEDIUM STRAINS中低应变量冷轧AA1050铝合金中晶粒取向与形变位错界面的演变
16.Quantity and Influences in the Casting Lies the First Area of Cooling and Crystallize in Common Mold普通模铸造一次冷却结晶区的铸锭质量及影响
17.REASONS FOR AMMONIUM SALT CRYSTALLIZATION IN SHIFT STRIPPING CONDENSER AND MEASURES FOR REVAMPING变换汽提系统冷凝器铵盐结晶原因及改造措施
18.Based on the structure features of transverse and counter flow type cooling towers, revamping for cooling tower through structure optimization was explored.从横流式和逆流式冷却塔的结构特点出发,探讨以结构优化方式改造冷却塔的途径。
相关短句/例句
natural ventilation prilling tower自然通风造粒塔
3)urea prilling tower with natural ventilation自然通风尿素造粒塔
4)tower granulation高塔造粒
1.Technology of compound fertilizer production bytower granulation;高塔造粒生产复合肥技术
5)prilling tower造粒塔
1.Automatic control system of Fluorescent-Powderprilling tower based on PLC and configuration software;基于PLC和组态软件的造粒塔自动控制系统
2.Relevant solutions and methods are put forward through the analysis of the reasons for the fouling on the cone of the prilling towe通过对造粒塔锥底结疤现象的原因分析 ,提出相应的解决措施和办
6)Steel urea prilling tower钢造粒塔
延伸阅读
自然通风自然通风Nnatural ventilation2 Iran tongfeng自然通风(natural ventilation)在风力造成的风压和厂房内外空气温差引起的热压的作用下，使空气流动的工厂全面通风方法之一。通过改变开启窗孔的位置及其面积来调节进人、排出气量的自然通风，称为有组织的自然通风，统称自然通风。通过围护结构缝隙进出的自然通风换气量是难以调节的，这种通风方式称为无组织自然通风或称渗透通风。工厂自然通风都是指有组织的自然通风。它是不消耗动力，而可以获得巨大通风换气量的一种经济节能的通风方式。尤其是热车间中被广泛用于全面通风，也可用于实现某些热设备的局部通风。自然通风窗孔的进、排风量计算式为:。一:寸粤亘式中G为进风、排风量，kg/s;F为窗孔的面积，mZ;尸为空气密度，kg/m3;宁为窗孔的局部阻力系数;△p为窗孔内外两侧的压差，Pa。当F、泞、p一定时，G随着△P的增大而增加。么P的大小则是由风压Pf与热压p决定，△p一p，+pr。风压风流经建筑物时，在周围形成的静压与稳定气流静压的差值。风吹过建筑物周围形成绕流运动(图1)，其四周气流的压力发生变化。迎风面气流受阻，动压降低，静压升高;侧面、背风面产生涡流，静压降低。迎风面为正压区，处在该区的窗孔为进风，侧面与背风面为负压区，该区窗孔为排风。风压值pf可按下式计算: 。P，二乙 P;~Ki二资竺2式中p、为室外温度t、下的空气密度，kg·m一“;二，为室外风速，m·51;K为空气动力系数，与建筑物形状、尺寸和风向有关，通过实验求得。K值为正者风压为正，反之风压为负。室外风速、风向经常变化，一、_谭「酒一_…蒙幸… —-一一自然通风计算包括两类问题。(1)设计计算。按照工艺条件和工作区温度要求计算出的所需全面通风妇建粉万荀脚汀又挽粼快幼换气量，设计和计算出车间进排风窗孔位置及其面积·(2)校核计算。根据建筑物上已有的窗孔位置和面积，天之中也不稳定。、，，.，，、二。。*。~、一华。~‘。~~口二、八~‘匕‘”‘沁~。计算出通风换气量，校核工作区温度是否满足要求。 热压由于室内外温度差引起的室内外压力差。为满足工作区温度要求所需要的全面通风换气量在厂房外墙上开有上下两排窗孔a、b。厂房中产生的。二、:一，小、仙‘脚‘’明一”一门一’r”排曰‘“‘、一”’，/J”一~G的计算式为:热压△p，为:n二、、一一。r/‘·。Q、‘一L，。
