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Qiao Feng's low-temperature spray dryer (QFN-PWDW series spray dryers can achieve a temperature range of 35 ° C to 100 ° C) can achieve a continuous 35 ° C low-temperature spray dryer with high recovery Retain material activity. It can be customized into high and low temperature integrated spray dryer (QFN-PWGD) series high and low temperature spray dryer, which can achieve the range of 35 degrees to 220 degrees), and can be dried by spray. Typical materials: Simeglutide, amino acids, peptides, proteases, camel milk, enzyme preparations, plant extracts, and other low-temperature equipment. Our company specializes in the research and development of thermosensitive materials, which can maintain the original material activity, such as polymers, microorganisms, sugar containing materials, etc. We can customize a high-low temperature integrated machine according to user requirements, which can be used for low-temperature or high-temperature testing, and is a multi-purpose integrated equipment.

Overview of low-temperature spray dryer;  
1. Solve the problem of material moisture regain
2. Sample processing capacity of 5KG/hour;  
3. Inlet air temperature: 35-200 degrees (if QFN-GD series is selected, inlet air temperature: 35-220 degrees for large-scale drying);  
4. It can be upgraded to high and low temperature integrated spray dryer;

The low-temperature spray dryer is mainly applicable to universities, research institutes, food, medicine, chemical industry, enterprises and laboratories to produce micro particle powders. It has broad spectrum applicability to solutions such as emulsions and suspensions, and is suitable for drying heat sensitive substances such as biological products, biological agricultural drugs, enzyme preparations, etc. Because the sprayed materials are only subject to the drying air system when sprayed into fog like droplets, they are only heated rapidly, which can keep the active ingredients of these active materials intact after drying. This type of spray dryer can realize low temperature atomization drying and high and low temperature atomization drying dual-use models for spray drying at normal temperature.

control system
Control form: Siemens PLC (1200)+touch screen program control, realizing the automatic control function of the whole machine; After setting the process parameters, unmanned equipment can operate automatically (except for receiving materials);
◆ It has a fault self diagnosis function, which can display the specific components of the fault and alarm, which is conducive to shortening the user's maintenance time and reducing the workload of maintenance staff;
Temperature control: The temperature instrument adopts Delta temperature control products, PID calculation control, and the control accuracy can reach ± 1 ℃;

Inlet air temperature: Electric heating is controlled in multiple groups and can be manually or automatically switched;
Outlet temperature: The precise control is achieved by using the variable frequency speed regulation of the feed pump and interlocking with the outlet temperature, which can be manually or automatically switched.
◆ Data storage function, realizing data storage, can be viewed and called in real time.
All instruments and motor electrical appliances have alarm interlocking functions, allowing their equipment to be used in a safe condition.
Both sets of adsorption towers can detect usage status through outlet detection sensors, and can automatically switch and dehumidify functions.


Technical parameters of low-temperature spray dryer;