真空结晶

钛白粉生产中真空结晶工艺技术的开发

Development of Vacuum Crystallization Technology for Titanium White Production Plant

真空结晶工艺相对传统冷冻结晶工艺具有投资和运行费用低、结晶效率高、生产能力大、节能降耗等优点。

Compared to the conventional freezing crystallization , vacuum crystallization technology has lower investment and operating cost , higher production capacity and crystallization efficiency and lower energy consumption .

真空结晶复分解法硝酸钾装置设计总结

Design Summary of Potassium Nitrate Unit by Vacuum Crystallization and Metathesis Method

乌桕脂真空结晶制取类可可脂及晶型初步研究

Cocoa Butter Equivalent Production by Crystallizing at Vacuum from Chinese Vegetable Tallow and Its Crystal Research

本文对于多级结晶的基本过程进行了较详细的有效能分析，在此基础上建立了多级真空结晶系统的多目标最佳化程序。

This paper described a detailed analysis of exergy for fundamental process in multistage crystallizers and based upon it a programme of multiobjective optimization for multistage crystallizers under vaccum had been created .

真空结晶器属于外压容器，在使用过程中，经常因刚度不足而导致失效，使容器失去了原来的形状，从而影响生产的正常进行。

In the using process , no enough stiffness of vacuum crystallizer led to failure , so it lost the original shape and had a great influence on the normal control of production .

广泛应用于化工，食品，建材等部门，特别是在真空结晶，干燥，过滤，蒸发等工艺过程中更为适宜。

Widely used in chemical industry , food , building materials , and other departments , especially in a vacuum crystallization , drying , filtration , evaporation and other processes in the more appropriate .

运用Laplace变换法，简化了间歇结晶过程的数学模型，并计算了青霉素G钠盐在加与不加媒晶剂两种情况下，真空闪蒸结晶过程的动力学参数；

The mathematical model of batch crystallization process was simplified by Laplace transformation method , and the crystallization kinetics parameters of sodium salt of penicillin G in the vacuum evaporative crystallization process were determined .

确定了硝酸钾溶液真空冷却结晶操作条件为，真空度2339Pa，结晶时间2.0h，冷却终点温度30℃。

The conditions of crystallization are vacuum degree of 2 339 Pa , time period of 2 h , the terminal cooling temperature of 30 ℃ .

论述了采用DTB型结晶器从工业粗制芒硝中制取无水硫酸钠的工艺条件以及采用真空蒸发结晶法的原因。

In this paper the technological crystallize condition of get anhydrous sodium sulfate from the industry coarse decahedrons sodium sulfate by using DTB crystallize is discussed , and the reason why the vacuum evaporation crystal used is given .

氯酸钠真空冷却结晶工艺

Brief Discussion on Crystallization of Sodium Chlorate with Vacuum and Cooling

采用微波热效应方法对蔗糖溶液进行真空蒸发结晶。

Microwave thermal effect was applied in vacuum evaporative sucrose crystallization .

真空制盐结晶机理及控制

Mechanism and Control of Crystallizing in the Vacuum Salt

乌洛托品在真空蒸发结晶器里结晶的动力学研究

Crystallization Kinetics of Hexamethylenetetramine in a Vacuum Evaporation Crystallizer

硝酸钾真空冷却结晶工艺

Crystallization process of potassium nitrate by cooling in vacuum

硝酸钾真空冷却结晶温度与真空度关联式研究

Study of a correlative formula between vacuum degrees and vacuum-cooling-crystallization temperature of potassium nitrate solution

真空浓缩结晶锅的设计

Design of vacuum condensation crystallization boiler

介绍了真空冷却结晶技术应用于硝酸钾生产的工艺原理与过程。

The principle of crystallization technology by cooling in vacuum during production of potassium nitrate was described .

为适应我国的发动机叶片的高质量和高速度生产的要求，开发了三室真空定向结晶炉。

A vacuum induction melting furnace with tri-chambers has developed to suit the high needs of the quality and production of engine vanes .

真空制盐蒸发结晶器的设计与实践

Design and Practice of Evaporation Crystallizer in Vacuum Pan Salt Making

真空浇注对结晶器内流体流动行为的影响

Effect of Vacuum Casting on Molten Steel Flow in Mold

对真空浇注下结晶器内流体流动行为进行了研究。

Study of Polyurethane Resin with Heat Resistance for Vacuum Casting Manufacture ;

三室真空连续定向结晶炉结晶硅冶炼炉烟尘的治理

A Vacuum Directional Crystallization Furnace with Tri-chambers Dust and Flue Gas Control of Crystal Silicon Smelting Furnace

介绍一种在表面活性剂作用下，采用真空改性结晶技术，制备膨松、轻质和多微孔隙硝酸铵的方法。

In this paper , the method for preparating bulky light and porous ammonium nitrate ( AN ) by use of surface active agents and technology of vacuum improved crystals is introduced .

真空液相重结晶法改善InSb薄膜的组织和性能

Improving Structure and Electrical Properties of InSb Films by Vacuum Recrystallization

采用真空浇注及压力结晶技术，设计合理的浇注系统，选用性能优良的蜡料和粘结剂，能够获得优质的精密铸件。

It is possible to obtain highly qualitative investment castings by means of vacuum pouring and crystallization under pressure , reasonable design of gating system , selection of wax and binder with better performance .