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產品概述/Product overview
DTB結晶機（DTB crystallizer）是一種率的結晶設備，由PLC控制物料溫度，其獨特的結構和工作原理決定了它具有傳熱效率高、配置簡單、操作控制方便、操作環境好等特點。現生產制造設備處理量300～10000kg/h，共十種型號的系列產品，可根據用戶的需要提供與之相配套的各種輔助設備。
DTB crystallizer is a kind of crystallization equipment with high efficiency, controlled by PLC. Its structure and working principle decide its high heat transfer efficiency, simple configuration, convenient operation together with its good operating environment. We have produced more than 10 models of such crystallizers, and the capacity ranges from 300 to 10000 kg/h. We also provide all kinds of accessories according to clients’ requirement.
工作原理及特點/Working Principle and characteristics
結晶過程中，溶液的過飽和度、物料溫度的均勻一致性以及攪拌轉速和冷卻面積是影響產品晶粒大小和外觀形態的決定性因素。
The effects of supersaturation, material temperature, stirring speed and cooling area are the determining factors for grain size and its appearance during crystallization.
DTB結晶機采用了專用的攪拌槳，且溫度、攪拌槳轉速可調易實現系統自控制，以適應各種物料結晶要求的。進料從結晶器導流桶底部引入，通過攪拌作用上升進行結晶。導流桶一般都中心安放，與導流桶共中心安裝有攪拌槳，一般冷卻型DTB結晶機的攪拌槳電機安裝冷卻型DTB結晶機的上部、真空型DTB結晶機考慮密封結構，攪拌槳電機可以安裝在真空型DTB結晶機的下部。
DTB crystallizer has its unique stirring paddle and its temperature and stirring speed are adjustable. The feeding material flows in form the bottom of draft bucket and rises through agitating. The stirring paddle is set with the same centre of draft bucket.
特點：
Characteristics
1、是一種典型的晶漿內循環式結晶器；
A typical crystallizer of slurry internal circulation;
2、具有良好的流體動力學效果；
has good hydrodynamic effect;
3、開發了專用螺旋漿，實現了內循環，而幾乎不出現二次晶核；
Special propeller, avoid second Crystal nucleus, high efficiency of internal circulation;
4、少出現內壁結疤現象；
Scars on the inner wall rarely happens;
5、用于藥廠可滿足GMP要求；
Used in pharmaceutical companies, meet GMP requirements;
6、晶漿過飽和度均勻，粒度分布良好，實現了率；
Even Slurry supersaturation, good distribution of size;
7、能耗低；
Low energy consumption;
8、可安裝淘洗腿實現連續生產操作；
Equipped with panning legs for continuous operation;
9、本身有高的換熱面不需要另設加熱器或冷卻器；
Already has large heat exchange area, no need for other heating or cooling machine;
10、可進行冷卻結晶，也可用于真空蒸發冷卻結晶；
Used for freezing crystallization as well as Vacuum evaporation cooling crystallization;
11、轉速低，調控容易,適用性強,運行可靠，故障少；
Low stirring speed, easy operation, good applicability, reliable operation and little failure;
12、DTB型結晶器與FC型結晶器相比，具有內部流速大，外部循環流速小等特點，可以將由于外部流體流動所產生的二次成核降低，所以適用于成產較大粒度的晶體。
compared with FC-type crystallizer, DTB has the advantages of high internal flowing rate and low external circulation speed. It can decrease the second nucleation, thus, it is suitable for crystals of larger size.
DTB結晶器規格/DTB crystallizer speculation
DTB結晶器規格：一般設計直徑從2米到6米，，可以生產0.5～1.5mm范圍的晶體（當然取決于該結晶體系的具體特點），停留時間一般為3～4h，晶漿密度可以高達25%。
Speculation: φ 2m~4m， production :crystals of 0.5～1.5mm . The residence time is usually for 3 to 4h, slurry density can be as high as 25%.
應用范圍/Applied Range
應用范圍：本設備應用于氯化鉀、氯化銨、醫藥等行業。
Applied Range: potassium chloride, ammonium chloride, medicine and so on.
DTB結晶機（DTB crystallizer）是一種率的結晶設備，由PLC控制物料溫度，其獨特的結構和工作原理決定了它具有傳熱效率高、配置簡單、操作控制方便、操作環境好等特點。現生產制造設備處理量300～10000kg/h，共十種型號的系列產品，可根據用戶的需要提供與之相配套的各種輔助設備。
DTB crystallizer is a kind of crystallization equipment with high efficiency, controlled by PLC. Its structure and working principle decide its high heat transfer efficiency, simple configuration, convenient operation together with its good operating environment. We have produced more than 10 models of such crystallizers, and the capacity ranges from 300 to 10000 kg/h. We also provide all kinds of accessories according to clients’ requirement.
工作原理及特點/Working Principle and characteristics
結晶過程中，溶液的過飽和度、物料溫度的均勻一致性以及攪拌轉速和冷卻面積是影響產品晶粒大小和外觀形態的決定性因素。
The effects of supersaturation, material temperature, stirring speed and cooling area are the determining factors for grain size and its appearance during crystallization.
DTB結晶機采用了專用的攪拌槳，且溫度、攪拌槳轉速可調易實現系統自控制，以適應各種物料結晶要求的。進料從結晶器導流桶底部引入，通過攪拌作用上升進行結晶。導流桶一般都中心安放，與導流桶共中心安裝有攪拌槳，一般冷卻型DTB結晶機的攪拌槳電機安裝冷卻型DTB結晶機的上部、真空型DTB結晶機考慮密封結構，攪拌槳電機可以安裝在真空型DTB結晶機的下部。
DTB crystallizer has its unique stirring paddle and its temperature and stirring speed are adjustable. The feeding material flows in form the bottom of draft bucket and rises through agitating. The stirring paddle is set with the same centre of draft bucket.
特點：
Characteristics
1、是一種典型的晶漿內循環式結晶器；
A typical crystallizer of slurry internal circulation;
2、具有良好的流體動力學效果；
has good hydrodynamic effect;
3、開發了專用螺旋漿，實現了內循環，而幾乎不出現二次晶核；
Special propeller, avoid second Crystal nucleus, high efficiency of internal circulation;
4、少出現內壁結疤現象；
Scars on the inner wall rarely happens;
5、用于藥廠可滿足GMP要求；
Used in pharmaceutical companies, meet GMP requirements;
6、晶漿過飽和度均勻，粒度分布良好，實現了率；
Even Slurry supersaturation, good distribution of size;
7、能耗低；
Low energy consumption;
8、可安裝淘洗腿實現連續生產操作；
Equipped with panning legs for continuous operation;
9、本身有高的換熱面不需要另設加熱器或冷卻器；
Already has large heat exchange area, no need for other heating or cooling machine;
10、可進行冷卻結晶，也可用于真空蒸發冷卻結晶；
Used for freezing crystallization as well as Vacuum evaporation cooling crystallization;
11、轉速低，調控容易,適用性強,運行可靠，故障少；
Low stirring speed, easy operation, good applicability, reliable operation and little failure;
12、DTB型結晶器與FC型結晶器相比，具有內部流速大，外部循環流速小等特點，可以將由于外部流體流動所產生的二次成核降低，所以適用于成產較大粒度的晶體。
compared with FC-type crystallizer, DTB has the advantages of high internal flowing rate and low external circulation speed. It can decrease the second nucleation, thus, it is suitable for crystals of larger size.
DTB結晶器規格/DTB crystallizer speculation
DTB結晶器規格：一般設計直徑從2米到6米，，可以生產0.5～1.5mm范圍的晶體（當然取決于該結晶體系的具體特點），停留時間一般為3～4h，晶漿密度可以高達25%。
Speculation: φ 2m~4m， production :crystals of 0.5～1.5mm . The residence time is usually for 3 to 4h, slurry density can be as high as 25%.
應用范圍/Applied Range
應用范圍：本設備應用于氯化鉀、氯化銨、醫藥等行業。
Applied Range: potassium chloride, ammonium chloride, medicine and so on.