Automated Liquid Preparation Apparatus with Flow Control
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Solution Overview
Problem
The preparation of liquid disinfectant preparations involving two-part systems is labor-intensive and prone to human error due to the need for precise reagent ratios and reaction times, with existing solutions often requiring complex valve systems and inconsistent results.
Innovation Solution
An apparatus with a primary chamber for receiving reagents and diluent, a flow controller to add a predetermined volume of diluent in a set time, and a control module to optimize the reaction process, simplifying the preparation by eliminating the need for continuous monitoring and reducing error.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual preparation of liquid disinfectant is performed following instructions, then the correct concentration of active ingredient can be achieved, but the process is time-consuming and labor-intensive
Solution Approach 1:
The system automatically controls the mixing process, reagent addition, and dilution without requiring manual intervention. The control module monitors and executes each step autonomously, eliminating the need for users to follow complex instructions while ensuring precise concentration control.
Solution Approach 2:
The system pre-fills reagent reservoirs and diluent tanks before use. The control module is pre-programmed with the optimal mixing sequence and timing parameters, allowing the system to execute the preparation process immediately without requiring users to measure or prepare components manually.
2Manufacturing precision
If complex valve systems are used to control reagent and diluent flow, then precise concentration control is achieved, but the device complexity increases
Solution Approach 1:
The system replaces complex mechanical valve systems with electronic flow control. The control module uses electronic signals to regulate reagent and diluent flow rates, eliminating the need for multiple mechanical valves and reducing overall system complexity while maintaining precise concentration control.
Solution Approach 2:
The control module serves multiple functions: it monitors reagent levels, controls flow rates, timing the mixing process, and adjusting dilution parameters. This single multi-functional component replaces what would otherwise require multiple specialized mechanical valves and control devices.
3Manufacturing precision
If multiple separate steps are required for reagent mixing and diluent addition, then the correct concentration is achieved, but the ease of operation decreases
Solution Approach 1:
The system combines multiple preparation steps into a single automated process. The control module coordinates reagent mixing, diluent addition, and concentration adjustment as one integrated operation, requiring the user to simply initiate the process rather than execute multiple separate steps manually.
Solution Approach 2:
The system automatically executes the multi-step preparation sequence without requiring user intervention at each stage. The control module monitors and performs all operations autonomously, transforming a complex multi-step manual process into a simple one-button automated operation.
4Manufacturing precision
If reaction time is extended to ensure complete reaction, then the concentration accuracy improves, but the productivity decreases
Solution Approach 1:
The control module continuously monitors the reaction progress and automatically adjusts the timing parameters. When the reaction reaches the optimal completion point, the system automatically proceeds to the next step, eliminating the need for extended fixed waiting periods while ensuring consistent concentration accuracy.
Solution Approach 2:
The system uses dynamic timing control rather than fixed reaction times. The control module adjusts the duration of each step based on real-time conditions, allowing the reaction to complete efficiently without unnecessary delays, thereby maintaining concentration accuracy while improving throughput.
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
This solution simplifies the preparation process, reduces human error, and optimizes the reaction time, ensuring a consistent and effective concentration of the active ingredient in the liquid preparation.
Implementation Method 1
a flow controller configured to admit a pre-determined volume of diluent to the primary chamber in a pre-determined time period when the diluent inlet is connected to a diluent supply
Implementation Method 2
a first reagent and a second reagent react when mixed to form an active ingredient of the liquid preparation
Data Source
AI summary
An apparatus for preparing a liquid preparation uses a two-part system. A first part includes a first reagent and a second part includes a second reagent. The first reagent and the second reagent react when mixed to form an active ingredient of the liquid preparation. The liquid preparation is a diluent. The apparatus includes a primary chamber for receiving a quantity of the first part, a quantity of the second part and a quantity of the diluent, a reagent inlet for admitting the first part and the second part to the primary chamber, a diluent inlet connectable to a diluent supply for admitting the diluent to the primary chamber, an outlet for releasing the liquid preparation from the primary chamber, and a flow controller to admit a pre-determined volume of diluent to the primary chamber in a pre-determined time period when the diluent inlet is connected to a diluent supply.