Small Spray Dryer[2]
Overview
The Small Spray Dryer is a benchtop or mobile unit designed for R&D and small-batch production. It replicates industrial spray drying processes at reduced scale, enabling cost-effective formulation testing. Unlike larger industrial models, these systems often incorporate touchscreen controls and real-time data logging for research reproducibility. Common configurations include open-cycle (for aqueous solutions) and closed-cycle (for organic solvents) designs. Typical evaporation capacities range from 1-5 L/h, making them ideal for universities, contract labs, and product development teams requiring precise powder morphology control.
Structure and Working Principle
Key components include a peristaltic feed pump, two-fluid nozzle or rotary atomizer, heating chamber (200-300 mm diameter), cyclone separator, and powder collection vessel. The process begins with liquid atomization into micron-sized droplets, which instantly dry upon contact with co-current or counter-current heated air (150-220°C inlet temperature). Advanced models feature PID-controlled multi-stage heating and built-in dehumidifiers for hygroscopic materials. The compact cyclone design achieves >90% powder recovery, while HEPA filters ensure clean exhaust. Some units integrate inline particle size analyzers or moisture sensors for process optimization.
Key Features
1) Low Dead Volume: Minimizes product loss with feed volumes as small as 50 ml. 2) Modular Design: Swappable nozzles accommodate different viscosities (1-300 cP). 3) Safety Systems: Over-temperature protection and explosion-proof options for solvent use. Recent innovations include CFD-optimized airflow patterns for narrower particle distribution (Span <1.5) and CIP (Clean-in-Place) functionality. High-end models offer SD card data export and compatibility with gloveboxes for oxygen-sensitive compounds.
Application Areas
Pharmaceuticals: Producing inhalable drug powders with controlled porosity. Food Tech: Microencapsulating flavors/nutrients (e.g., fish oil powders). Materials Science: Synthesizing catalyst supports or battery electrode materials. Niche uses include ceramic precursor powders and diagnostic reagent preparation. The equipment's ability to preserve bioactivity makes it valuable for probiotic stabilization and enzyme drying. Pilot-scale units (2-10 kg/h) bridge lab research and production scaling.
Maintenance and Precautions
Daily: Clean nozzle and chamber with appropriate solvents; inspect gaskets. Monthly: Verify heater calibration; clean air filters. Annual: Replace worn pump tubing; service bearings if rotary atomizer equipped. For corrosive materials, specify PTFE-lined components. Always purge organic solvent systems with nitrogen before shutdown. Common issues like powder adhesion can be mitigated with anti-static coatings or chamber vibrators.
B2B Procurement Guide
Lead times typically range 4-12 weeks depending on customization. Key specs to compare: 1) Drying efficiency (g powder/kWh), 2) Minimum/maximum feed rates, 3) Particle size range (usually 5-100 μm). Top manufacturers include Buchi, Yamato Scientific, and Labplant. Request DEMO videos showing actual material processing. For GMP compliance, insist on 21 CFR Part 11 software options and full validation documentation (IQ/OQ/PQ).
Related Manufacturers
- 主营：调味品制粒机、混合机、废水蒸发器、干燥设备、污泥干燥机、粉碎机
- 主营：盘式烘干、6层烘干机、80平方桨叶、桨叶干燥机、喷雾干燥机、真空干燥机、真空喷雾烘干机、排风喷雾烘干、振动流化床干燥机、流化床干燥设备、振动流化床干燥设备、闪蒸干燥机、闪蒸干燥设备、离心喷雾干燥机、离心喷雾干燥设备、离心喷雾烘干机、流化床干燥机、干燥设备、污泥烘干机、除尘粉碎机、热风循环烘箱、餐饮垃圾处理、流化床
- 主营：气流干燥机、连续干燥机、喷雾干燥机、喷雾干燥设备、真空干燥设备、空心浆叶干燥机、真空耙式干燥机、双锥回转真空干燥机、闪蒸干燥机、盘式干燥机、离心喷雾干燥机、空心桨叶干燥机、滚筒刮板干燥机、单锥螺带真空干燥机、振动流化床干燥机、带式干燥机、闪蒸干燥设备、空心桨叶干燥设备、带式干燥设备、盘式干燥设备、干燥机、气流干燥设备、工业真空干燥机、污泥干化机、溶剂回收装置
- 主营：混合机、V型混合机、槽型混合机、高效沸腾干燥机、带式干燥机、方形真空干燥机、沸腾制粒干燥机、滚筒刮板干燥机、桨叶干燥机、离心喷雾干燥机、盘式干燥机、闪蒸干燥机、双锥回转真空干燥机、真空耙式干燥机、超微粉碎机、二维混合机、粉碎机、高速混合机、热风循环烘箱、三维混合机、旋转制粒机、摇摆制粒机、振动流化床
- 主营：粉碎机、烘干设备、摇摆颗粒机、干燥机、真空干燥机、振动流化床干燥机、空心桨叶干燥机、单锥螺带真空干燥机、带式干燥机、旋转闪蒸干燥机、双锥回转真空干燥机、高速离心喷雾干燥机、螺旋振动干燥机、燃油热风炉、圆形振荡筛、锥形混合机、湿法造粒机、方形振动筛、燃煤热风炉、旋转式制粒机、三维混合机、高速粉碎混合机、V型混合机、方形振荡筛
- 主营：混合机、万能粉碎机、高速混料机、沸腾干燥机、真空干燥机、负压耙式干燥机、超微粉碎机、高速搅拌机
- 主营：混料机、流化床、振荡筛、干燥机、干燥塔、干燥耙、真空干燥、混合机、粉碎机、盘烘盘、混粉机、破碎机、搅拌机、制粒机、烘干机、摇摇摆、ct-c热风、工程建筑、不锈钢带、混料设备、污泥桨叶、粉碎设备、标准设计、桨叶搅拌、砂浆设备
- 主营：闪蒸干燥机、喷雾干燥机、流化床干燥机、沸腾床干燥机、真空耙式干燥机、真空双锥干燥机、污泥烘干机、专用烘干机
- 主营：混合机、混料设备、干粉搅拌机、脉动真空干燥机、沸腾制粒干燥机、真空冷冻干燥机、化工干粉混料机、不锈钢保温储罐、颗粒物料搅拌机、加热冷却搅拌罐
- 主营：热风循环烘箱、振动流化床、水膜除尘器、干燥机、干燥设备、带式干燥机、单锥螺带干燥机、空心桨叶干燥机、盘式干燥机、喷雾干燥机、双锥回转干燥机、旋转闪蒸干燥机、圆盘干燥机、真空耙式干燥机、方形真空干燥机、耙式干燥机、真空干燥机、超微粉碎机、V型混合机
- 主营：混合机、制粒机、粉碎机、干燥机、振动流化床干燥机、真空耙式干燥机、空心桨叶干燥机、旋转闪蒸干燥机、离心喷雾干燥机、沸腾制粒干燥机、沸腾干燥机、流化床干燥机、耙式干燥机、桨叶干燥机、闪蒸干燥机、造粒机、旋转制粒机、摇摆颗粒机、湿法混合制粒机、螺杆挤压造粒机、污泥烘干机、热风循环烘箱、摇摆制粒机、沸腾制粒机、湿法制粒机
- 主营：振动流化床、热风循环烘箱、双螺杆混合机、桨叶干燥机、耙式干燥机、带式干燥机、螺带干燥机、滚筒刮板干燥机、喷雾干燥机、闪蒸干燥机、方形真空干燥机、二维混合机、三维混合机、摇摆制粒机、超微粉碎机、v型混合机、双锥混合机
- 主营：胶囊颗粒、摇摆颗粒机、造粒机设备、干燥设备、德邦干燥、真空干燥机、喷雾干燥机、运动混合机、燃气热风炉、高速混合湿法、粉末药品混合、蒸汽烘干翅片、中药材粉碎机、高速蒸馏设备、细粉末筛分机
- 主营：湿法混合制粒机、制粒包衣机、挤出抛丸机、干燥机、离心喷雾干燥机、中药浸膏喷雾干燥机、沸腾干燥机、流化床干燥机、旋转闪蒸干燥机、耙式干燥机、卧式流化床干燥机、耙式真空干燥机、双锥真空干燥机、振动流化床、抛丸机、二维运动混合机、摇摆制粒机、旋转制粒机、提升旋转加料机、粉碎机、三维运动混合机、对夹式混合机、高效片剂包衣机、振动筛、卧式螺带混合机
- 主营：果汁饮料设备、番茄酱加工设备、苹果汁、离心喷雾干燥机、苹果浓缩汁生产线设备、椰子汁椰奶生产线设备、管式杀菌机UHT高温杀菌设备、BIB盒中袋无菌灌装机、大袋无菌灌装设备、果酱浓缩设备、真空脱气机、芒果酱加工设备、菠萝汁生产线、牛奶巴氏杀菌机、板式杀菌机、列管式杀菌机、蒸发器浓缩设备
- 主营：真空干燥混料机、混合机
- 主营：旋转蒸发仪、高压反应釜、玻璃反应釜、喷雾干燥机、不锈钢反应釜、冻干机、溶剂回收机
- 主营：喷雾干燥机、小型喷雾干燥机、喷雾造粒干燥机、离心喷雾干燥机、低温喷雾干燥机、有机溶剂喷雾干燥机、超细粉末喷雾干燥机、气流喷雾干燥机、喷雾冷冻干燥机、实验型喷雾干燥机、超低温喷雾干燥机、真空喷雾干燥机、喷雾干燥设备、喷雾干燥塔、多肽喷雾干燥机、闭式循环喷雾干燥机、氮气循环喷雾干燥机、闭式喷雾干燥机、喷雾式干燥机、离心式喷雾干燥机、造粒喷雾干燥机、实验用喷雾干燥机、实验室用喷雾干燥机、小型低温喷雾干燥机、实验型低温喷雾干燥机
- 主营：喷雾干燥机
- 主营：高温炉、破胶剂、中药机、干燥机、喷雾塔、干燥器、干燥箱、干燥设备、沸腾干燥、雾化机、花边机、沸腾炉、膏药机、颗粒机、包衣机、制粒机、混合机、烘干机、热风炉、豆腐渣、煅烧炉、缝合机、石腊造粒、熔融包衣、烘干设备
- 主营：单锥真空干燥机、耙氏真空干燥机、回转滚筒干燥机、空心桨叶干燥机
- 主营：V型混合机、实验室V型混合机、热风循环烘箱、防爆真空干燥箱、热风循环干燥箱、双锥回转真空干燥机、真空干燥机、真空干燥箱、粉体混合设备、方锥混合机、防爆热风循环烘箱、三维混合机、三维运动混合机
- 主营：喷雾干燥机、真空干燥机、制粒机、混合机
- 主营：低温恒温槽、恒温油槽、毛细管粘度计检定恒温槽、真空冷冻干燥机、喷雾干燥机、干燥箱、溶解氧测定仪专用恒温槽、智能匀浆仪、超声波细胞破碎仪、培养箱、恒温摇床、均质器、漩涡混合器、水平摇床梅毒旋转仪、菌落计数器、恒温金属浴混匀仪、光化学反应仪、低温恒温循环器、低温冷却循环泵、生化培养箱
- 主营：混合机、制粒机、沸腾制粒机、干燥机、旋转闪蒸干燥机、真空耙式干燥机、离心喷雾干燥机、振动流化床干燥机、双锥回转真空干燥机、空心桨叶干燥机、沸腾干燥机、沸腾制粒干燥机、闪蒸干燥机、耙式干燥机、喷雾干燥机、流化床干燥机、离心喷雾烘干机、沸腾干燥制粒机、30B粉碎机、三维运动混合机、热风循环烘箱、粉碎机、旋转闪蒸烘干机、真空耙式烘干机、振动流化床烘干机