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   Melt Crystallizer
 
 
熔融结晶器(静态/动态降膜式)/Melt crystallizer(Static / dynamic falling film type)
熔融結晶目前在中國未廣泛應用,因此沒有更多值得借鑒的工程經驗,所以我司熔融結晶器設計要基于天津科技大學結晶過程研究室的熔融結晶工藝開發。請點擊熔融結晶工業應用四虎视频免在线观看統計,也可直接點擊網站結晶技術博客查閱相關熔融結晶工藝開發及設備信息。
Melting crystallizer has not been widely used in China at present, so there is no more engineering experience for reference. Therefore, our design of melt crystallizer is based on the melt crystallization process of the Crystallization Process Research Institute of Tianjin University of Science and Technology. Please click on the melt crystallization industrial application statistics, or the website of crystallization technology blog to obtain the relevant melt crystallization process development and equipment information.
 
应用范围/Applied Range
熔融結晶器廣泛應用于化工中間體、醫藥中間體、生化制品的高純度晶體四虎视频免在线观看的生産。
Melt crystallizer is widely used in the production of chemical intermediates, pharmaceutical intermediates and high purity crystal products of biochemical products.
 
四虎视频免在线观看分类/Product Classification
可分爲高效靜態熔融結晶器和動態塔式降膜熔融結晶器兩種。
It can be divided into two types: high-efficiency static melt crystallizer and dynamic tower falling film melting crystallizer.
 
結晶器材質/Material
根據物料特性可用材質分爲:碳鋼、不鏽鋼及特殊金屬材料。
carbon steel, stainless steel and special metal materials.
 
熔融結晶器優點/Advantages
① 实用性强,针对不同的工艺要求选用不同类型的设备。
strong practicability, and different types of equipments are selected according to different technological requirements
② 投资费用低,价格仅为国外同类价格的1/5-1/10;国内价格的1/2-1/6。
Low investment cost, the price is only 1/5-1/10 of the same price abroad; 1/2-1/6 of the domestic price
③ 操作弹性大,可自动控制也可手动操作。
Operation flexibility, automatic control and manual operation are both ok.
④ 设备紧凑、合理。
compact and reasonable
⑤ 实际应用效果好,结晶损耗低。
good application effect and low crystallization loss
⑥ 应用熔融结晶工艺可以使有些复杂的工艺变得尤其简单。
Some complex processes become especially simple
 
熔融結晶器缺點/Disadvantages
結晶器的結構相對精餾塔來說,略複雜。需要發汗、洗滌等步驟。過程較複雜,過程的連續化較困難。
The structure of the mold is a little more complicated than that of the distillation column. It needs Sweating, washing, etc. The process is complex and difficult to be continuous.
相對于其它熱分離單元操作,熔融結晶具有如下優點:
Compared with other heat separation units, melt crystallizer has the following advantages:
高選擇性、低能耗、操作溫度低、無溶劑、無廢液、無氣相。熔融結晶與精餾相比較,具有操作溫度低、所需能耗小等突出優點。除以上兩點外,第三點就是可以利用工廠裏其它操作單元所産生的廢熱。因爲現有的大部分有機化合物的熔點都在工廠廢熱溫度範圍內。
High selectivity, low energy consumption, low operating temperature, no solvent, no waste liquid, no gas phase. Compared with distillation, it has many advantages, such as low operating temperature and small energy consumption. Besides, Waste heat from other operating units in the plant can be utilized. Because most of the organic compounds’ melting point is in the range of the waste heat in the factory.
熔融結晶與溶液結晶相比較,由于沒有添加新的溶劑,所以避免了溶劑的後處理過程,這個優點往往可以彌補熔融結晶的其它缺點。
Compared with solution crystallization, melt crystallization avoids the post treatment process of the solvent without adding new solvent, and this advantage can often compensate for other shortcomings of the melt crystallization.
熔融結晶處理的是液態物質,液態相對于氣態而言,所需要的體積小,所用設備體積小,投資少。當然,如果熔融結晶需要更長的停留時間時,則這點優勢就不明顯了。熔融結晶過程沒有氣體産生,泄露易于控制。而且整個設備可密閉,更有利于環境安全。熔融結晶不需要添加任何物質,所以沒有廢液和其它化學物質(溶劑)産生。要知道,溶劑回收的成本往往占整個結晶成本的大部分。對于非固體溶液型體系,從理論上來說,結晶過程具有非常高的選擇性和可以高達100%的四虎视频免在线观看純度。
Melt crystallizer deals with liquid substance, which requires a small size and a small amount of equipment, therefore needs less investment. However, if melting crystallization takes longer residence time, then this advantage is not obvious. During crystallization, no gas is produced, and leakage is easy to control. Moreover, the whole equipment can be closed and is more conducive to environmental safety. Molten crystallization does not require the addition of any substance, so no waste liquid or other chemical substance (solvent) is produced. The cost of solvent recovery often accounts for most of the cost of the crystallization process. For the non solid solution type system, the crystallization process has very high selectivity and the purity of the product can be as high as 100%.
 


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