Water Quality Analyzer Disc System Multi-Parameter Sampling
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Solution Overview
Problem
Existing water quality analyzers are limited in their ability to perform in situ measurements and can only analyze a few parameters at a time, leading to slow analysis processes and complex, costly structures.
Innovation Solution
A water quality analyzer featuring a disc system, colorimetric system, mechanical sampling system, and central control display, which allows for simultaneous analysis of multiple parameters through a sampling arm with a plunger pump and in situ sampling, enabling fast and automated analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple water quality parameters are analyzed simultaneously, then analysis speed is improved, but device complexity increases
Solution Approach 1:
The sampling needle is designed to perform multiple functions: it serves as both a sampling device and a mixing device with an integrated plunger pump. This multi-functionality allows the system to analyze multiple parameters simultaneously without proportionally increasing the number of components, thus improving productivity while controlling device complexity.
Solution Approach 2:
The sampling arm integrates multiple components including the sampling needle, plunger pump, and mixing tube into a single coordinated mechanism. This merging of functions into one integrated arm allows simultaneous sampling and mixing operations, enabling multi-parameter analysis without requiring separate dedicated devices for each function.
2Ease of operation
If a separate mixing device is used, then mixing function is improved, but device complexity and cost increase
Solution Approach 1:
The sampling needle is designed with an integrated plunger pump that serves dual purposes: it drives the sampling process and simultaneously performs mixing by injecting air into the sample. This eliminates the need for a separate mixing device while maintaining effective mixing function, thereby reducing device complexity and cost.
Solution Approach 2:
The sampling and mixing functions are merged into a single integrated sampling needle assembly. The plunger pump within the sampling needle performs both sampling and mixing operations, consolidating what would traditionally require separate devices into one unified component, thus simplifying the overall system.
3Productivity
If in situ sampling is implemented, then sampling efficiency is improved, but device complexity increases
Solution Approach 1:
The sampling arm integrates the sampling needle with the plunger pump and mixing tube into a single coordinated mechanism. This integration allows the system to perform in situ sampling directly at the water source without requiring separate sampling and processing stations, thereby improving sampling efficiency while keeping the device structure compact and manageable.
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
Enables rapid analysis of multiple water quality parameters with reduced equipment size and cost, and provides in situ sampling capabilities, enhancing the efficiency and automation of water quality analysis.
Implementation Method 1
Photoelectric colorimetry is to draw a standard curve according to the measurement of the absorbance of a series of standard solutions with a photoelectric colorimeter
Implementation Method 2
the other end of the mixing tube is connected to the plunger pump
Data Source
AI summary
Disclosed are a water quality analyzer and a method for analyzing water quality. The water quality analyzer includes a first disc system, a second disc system, a colorimetric system, a cleaning system, a mechanical sampling system, an analysis system and a central control display. The first disc system and the second disc system are axially rotatable. A plurality of sample locating positions and a chemical locating positions are provided on the first disc system along a circumference of the first disc system. A plurality of colorimetric cuvette locating positions are provided on the second disc system, and the colorimetric system is arranged at a circumference edge of the second disc system. The cleaning system and the mechanical sampling system are provided between the first disc system and the second disc system. The method includes water sampling, water sample injection, cleaning, reagent extraction, reagent injection, cleaning and colorimetric analysis.