本文介绍了真空结晶法的原理，以及真空结晶器的类型和选型，并比较了这两种结晶法。
The principles of the vacuum crystallization, types and selection of crystallizers were given. Comparison of the above two methods we…
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.
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, food, building materials and other departments, especially in a vacuum crystallization, drying, filtration, evaporation and other processes more appropriate.
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.
氨水与硫酸(SO3)进行中和反应，反应液经过真空蒸发、浓缩、结晶，再进行液固分离、干燥等工序制得产品。
Ammonia and sulfuric acid (SO3) in and the reaction liquid after vacuum evaporation, concentration, crystallization, and then to liquid-solid separation processes obtained dry product.
100目以下物料溶液合成纤维、结晶真空液、乳油液甘薯片、矿砂等悬浮液型号和技术特性。
Models and technical features of synthetic fiber, crystallization vacuum liquid, emulsion liquid, ore and other suspended liquid under 100 mesh.
如：真空蒸馏、蒸发、脱水、结晶、干燥等工艺过程中。
Such as: vacuum distillation, evaporation, dehydration, crystallization, drying and other processes.
连续结晶器得到的富银铅采用真空蒸馏获得含银>80%的粗银。
The silver-rich lead came from the continuous crystallizer is then subjected to vacuum distillation, yielding silver bullion of over 80% Ag.
同时改进了精制工艺，用石油醚-苯进行结晶代替高真空蒸馏，简化了工艺，有利于工业化生产。
Meanwhile the refining process was improved, using crystallization from petroleum-benzene instead of high vacuum distillation. The process was simplified for the benefit of industry production.
如：真空蒸馏、蒸发、脱水、结晶、干燥等工艺过程中。
Such as: vacuum distillation, evaporation, dehydration, crystal, drying in the process.
研究了包钢重轨钢从转炉出钢到结晶器各个工序过程（未经VD真空处理）钢液中氢含量变化。
The hydrogen content in the molten heavy rail steel was measured in every stages from LD tapping to mould(without the VD refining process).
粗产物经硫酸铜溶液萃取、硅胶过滤、重结晶、真空升华进行分离提纯得到纯产品。
The products obtained were purified by extraction with copper sulfate solution, filtration through silica gel, recrystallization and vacuum sublimation.
本文介绍了真空定向结晶炉的结构组成和模组加热室的结构。
This article mainly describes its composition and the structure of the heating chamber where the model set is heated.
经离心后的沉淀物及低温真空抽湿干燥后的结晶体作为垃圾物另行处理。
A centrifugated deposit and a dried crystal of which the humidity is taken out at low temperature and in vacuum are used as garbage to be separately treated.
经离心后的沉淀物及低温真空抽湿干燥后的结晶体作为垃圾物另行处理。
A centrifugated deposit and a dried crystal of which the humidity is taken out at low temperature and in vacuum are used as garbage to be separately treated.
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