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产品概述/Product overview
DTB结晶机（DTB crystallizer）是一种率的结晶设备，由PLC控制物料温度，其独特的结构和工作原理决定了它具有传热效率高、配置简单、操作控制方便、操作环境好等特点。现生产制造设备处理量300～10000kg/h，共十种型号的系列产品，可根据用户的需要提供与之相配套的各种辅助设备。
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.
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.
工作原理及特点/Working Principle and characteristics
结晶过程中，溶液的过饱和度、物料温度的均匀一致性以及搅拌转速和冷却面积是影响产品晶粒大小和外观形态的决定性因素。
The effects of supersaturation, material temperature, stirring speed and cooling area are the determining factors for grain size and its appearance during crystallization.
DTB结晶机采用了专用的搅拌桨，且温度、搅拌桨转速可调易实现系统自控制，以适应各种物料结晶要求的。进料从结晶器导流桶底部引入，通过搅拌作用上升进行结晶。导流桶一般都中心安放，与导流桶共中心安装有搅拌桨，一般冷却型DTB结晶机的搅拌桨电机安装冷却型DTB结晶机的上部、真空型DTB结晶机考虑密封结构，搅拌桨电机可以安装在真空型DTB结晶机的下部。
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.
特点：
Characteristics
1、是一种典型的晶浆内循环式结晶器；
A typical crystallizer of slurry internal circulation;
2、具有良好的流体动力学效果；
has good hydrodynamic effect;
3、开发了专用螺旋浆，实现了内循环，而几乎不出现二次晶核；
Special propeller, avoid second Crystal nucleus, high efficiency of internal circulation;
4、少出现内壁结疤现象；
Scars on the inner wall rarely happens;
5、用于药厂可满足GMP要求；
Used in pharmaceutical companies, meet GMP requirements;
6、晶浆过饱和度均匀，粒度分布良好，实现了率；
Even Slurry supersaturation, good distribution of size;
7、能耗低；
Low energy consumption;
8、可安装淘洗腿实现连续生产操作；
Equipped with panning legs for continuous operation;
9、本身有高的换热面不需要另设加热器或冷却器；
Already has large heat exchange area, no need for other heating or cooling machine;
10、可进行冷却结晶，也可用于真空蒸发冷却结晶；
Used for freezing crystallization as well as Vacuum evaporation cooling crystallization;
11、转速低，调控容易,适用性强,运行可靠，故障少；
Low stirring speed, easy operation, good applicability, reliable operation and little failure;
12、DTB型结晶器与FC型结晶器相比，具有内部流速大，外部循环流速小等特点，可以将由于外部流体流动所产生的二次成核降低，所以适用于成产较大粒度的晶体。
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.
The effects of supersaturation, material temperature, stirring speed and cooling area are the determining factors for grain size and its appearance during crystallization.
DTB结晶机采用了专用的搅拌桨，且温度、搅拌桨转速可调易实现系统自控制，以适应各种物料结晶要求的。进料从结晶器导流桶底部引入，通过搅拌作用上升进行结晶。导流桶一般都中心安放，与导流桶共中心安装有搅拌桨，一般冷却型DTB结晶机的搅拌桨电机安装冷却型DTB结晶机的上部、真空型DTB结晶机考虑密封结构，搅拌桨电机可以安装在真空型DTB结晶机的下部。
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.
特点：
Characteristics
1、是一种典型的晶浆内循环式结晶器；
A typical crystallizer of slurry internal circulation;
2、具有良好的流体动力学效果；
has good hydrodynamic effect;
3、开发了专用螺旋浆，实现了内循环，而几乎不出现二次晶核；
Special propeller, avoid second Crystal nucleus, high efficiency of internal circulation;
4、少出现内壁结疤现象；
Scars on the inner wall rarely happens;
5、用于药厂可满足GMP要求；
Used in pharmaceutical companies, meet GMP requirements;
6、晶浆过饱和度均匀，粒度分布良好，实现了率；
Even Slurry supersaturation, good distribution of size;
7、能耗低；
Low energy consumption;
8、可安装淘洗腿实现连续生产操作；
Equipped with panning legs for continuous operation;
9、本身有高的换热面不需要另设加热器或冷却器；
Already has large heat exchange area, no need for other heating or cooling machine;
10、可进行冷却结晶，也可用于真空蒸发冷却结晶；
Used for freezing crystallization as well as Vacuum evaporation cooling crystallization;
11、转速低，调控容易,适用性强,运行可靠，故障少；
Low stirring speed, easy operation, good applicability, reliable operation and little failure;
12、DTB型结晶器与FC型结晶器相比，具有内部流速大，外部循环流速小等特点，可以将由于外部流体流动所产生的二次成核降低，所以适用于成产较大粒度的晶体。
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结晶器规格/DTB crystallizer speculation
DTB结晶器规格：一般设计直径从2米到6米，，可以生产0.5～1.5mm范围的晶体（当然取决于该结晶体系的具体特点），停留时间一般为3～4h，晶浆密度可以高达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%.
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%.
应用范围/Applied Range
应用范围：本设备应用于氯化钾、氯化铵、医药等行业。
Applied Range: potassium chloride, ammonium chloride, medicine and so on.
Applied Range: potassium chloride, ammonium chloride, medicine and so on.