Modular Mobile Mixing Plant with Integrated Fluidized Bed Drying
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Solution Overview
Problem
Existing mobile mixing and packaging plants for powdery and granular products lack cooling and drying capabilities, limiting their functionality and versatility.
Innovation Solution
A modular mobile plant with integrated cooling and drying means, incorporating a fluidized bed dryer, pelletizer, cooler, and vacuum dryer functions, allowing for the processing of various products including those with low melting points and sensitive to temperature and humidity, while maintaining the powdery form after liquid injection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If cooling and drying means are incorporated into the mobile mixing plant, then the plant's functionality and versatility are enhanced, but the device complexity increases
Solution Approach 1:
The patent combines cooling and drying functions within the existing mixing chamber by introducing a fluidized bed system. The same chamber that mixes powdery products is transformed into a fluidized bed dryer by introducing air flow through distributors at the bottom, causing particles to fluidize and enabling drying without requiring a separate drying chamber. This merging of functions resolves the contradiction by adding versatility while minimizing additional structural complexity.
Solution Approach 2:
The mixing chamber is designed to serve multiple functions: mixing powdery products, drying products via fluidized bed, and potentially granulating. By making the chamber multi-functional through the introduction of air flow distributors and fluidization capability, the plant achieves enhanced versatility without proportionally increasing overall device complexity, as the same physical space performs multiple operations.
2Ease of operation
If the plant is designed to fit within standard shipping container dimensions, then mobility and transportability are improved, but the available processing volume is limited
Solution Approach 1:
The patent employs a fluidized bed system where air flow dynamically suspends and fluidizes particles within the mixing chamber. This dynamic approach allows efficient use of the limited chamber volume by creating intense mixing and drying action throughout the entire volume, maximizing processing efficiency within the constrained space imposed by shipping container dimensions.
Solution Approach 2:
The plant uses pneumatic fluidized bed technology to achieve mixing and drying functions. Air flow through distributors at the bottom of the chamber creates fluidization, allowing particles to behave like a fluid. This pneumatic approach enables effective processing within the limited volume by intensifying the interaction between air and particles, maximizing the utility of the constrained space while maintaining mobility through container-based design.
3Manufacturing precision
If automatic dosing modules and liquid injection systems are added, then manufacturing precision and automation are improved, but the device complexity increases
Solution Approach 1:
The plant is divided into modular functional units: receiving module with automatic dosing, mixing module with liquid injection capability, and packaging module. Each module can be independently controlled and optimized. The automatic dosing system is segmented into separate dosing units for different ingredients, allowing precise control of each component while maintaining overall system manageability through modular architecture.
Solution Approach 2:
The automatic dosing modules and liquid injection systems are integrated with control systems that enable automated operation. The system can automatically measure, dose, and inject liquids based on predetermined formulations, reducing manual intervention. This self-service capability improves manufacturing precision while the automation itself manages the complexity through programmed control rather than manual operation.
4Manufacturing precision
If the plant incorporates fluidized bed drying and granulation capabilities, then product quality control is improved, but energy consumption increases
Solution Approach 1:
The patent combines mixing, drying, and granulation functions within the same fluidized bed chamber. By merging these operations, the system achieves efficient heat and mass transfer in a single integrated process rather than requiring separate stages. This integration improves product quality through consistent control while reducing total energy consumption by eliminating the need for separate processing equipment and operations.
Solution Approach 2:
The fluidized bed system enables continuous mixing and drying action as air flow continuously suspends and moves particles. This continuous action ensures uniform drying and granulation throughout the product batch, improving quality consistency. The continuous fluidization also enhances heat transfer efficiency, reducing the total energy required compared to batch processing methods, as energy is constantly applied throughout the entire product volume.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances the plant's multifunctionality, enabling efficient drying, granulation, and cooling of mixed products, expanding its application beyond just mixing powders, and ensuring product quality through controlled temperature and humidity conditions.
Implementation Method 1
incorporating a fluidized bed dryer
Implementation Method 2
cooling and drying means for cooling and drying the mixed product
Implementation Method 3
cooling and drying means for cooling and drying the mixed product
Implementation Method 4
incorporating a fluidized bed dryer, pelletizer, cooler, and vacuum dryer functions
Data Source
AI summary
Modular mobile mixing and packaging plant for powdery or granular products, comprising a carrying structure having dimensions suitable for being introduced in a standard shipping container and internally housing a receiving and manual weighing module, a material loading module, a mixing module, and a packaging module, wherein the mixing module comprises means for cooling and/or drying the mixture contained in said module.


