Compact Chemical Delivery System Using Venturi Injection
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Solution Overview
Problem
Current chemical delivery systems for automated car washes are cumbersome, require extensive space, and are prone to wear and maintenance issues due to the use of concentrated chemicals, with fluctuations in water pressure affecting dilution ratios and component longevity.
Innovation Solution
A compact chemical delivery system with a shared platform that eliminates mechanical pumps and valves, using a venturi-based injection method with a constant pressure system to accurately and consistently dispense chemicals, minimizing exposure to corrosive substances and reducing the number of system components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional chemical delivery systems use multiple pumps, valves, and tanks for each chemical, then chemical delivery capability is provided, but system complexity and space requirements increase significantly
Solution Approach 1:
A single pump system is designed to handle multiple different chemicals through a common manifold and valve assembly, allowing one pump to perform the function of what would traditionally require multiple dedicated pumps. The system can be configured to deliver various chemicals by activating different valves and routes from the same pump source.
Solution Approach 2:
Multiple chemical delivery functions are merged into a single integrated platform where tanks, pumps, valves, and piping for different chemicals are combined into one compact system. This consolidation reduces the overall number of components while maintaining the ability to deliver multiple chemicals independently.
2Adaptability or versatility
If traditional systems use multiple mechanical pumps and valves for each chemical, then chemical delivery is achieved, but maintenance requirements and component wear increase
Solution Approach 1:
A single pump system is designed to handle multiple different chemicals through a common manifold and valve assembly, allowing one pump to perform the function of what would traditionally require multiple dedicated pumps. The system can be configured to deliver various chemicals by activating different valves and routes from the same pump source.
Solution Approach 2:
The pump and motor assembly is extracted as a separate, easily replaceable unit from the chemical delivery system. This modular design allows the pump to be removed and replaced without disturbing the chemical tanks, valves, or piping, significantly reducing maintenance time and complexity when pump service is required.
3Quantity of substance
If concentrated chemicals are used to reduce transport and storage costs, then chemical efficiency improves, but corrosive wear and clogging of components increases
Solution Approach 1:
The pump and motor assembly is extracted as a separate, easily replaceable unit from the chemical delivery system. This modular design allows the pump to be removed and replaced without disturbing the chemical tanks, valves, or piping, significantly reducing maintenance time and complexity when pump service is required.
Solution Approach 2:
The system is designed to operate with concentrated chemicals by adjusting flow parameters and pressure settings to accommodate the higher viscosity and corrosive nature of concentrated forms. The pump selection and operating conditions are optimized to handle concentrated chemicals without excessive wear or clogging.
4Quantity of substance
If hydrominder systems are used for chemical dilution, then chemical mixing is achieved, but fluctuations in water pressure cause variations in dilution ratios
Solution Approach 1:
The system incorporates pressure sensors and flow meters that continuously monitor water pressure and chemical flow rates. This feedback information is used by the control system to adjust pump output and valve positioning in real-time, maintaining consistent dilution ratios despite variations in incoming water pressure.
Solution Approach 2:
The traditional purely mechanical hydrominder dilution system is replaced with an electronically controlled system that uses sensors, microprocessors, and automated valve control to manage chemical-water mixing. This substitution of mechanical systems with electronic control provides precise regulation of dilution ratios independent of water pressure fluctuations.
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
The system achieves efficient and accurate chemical delivery with reduced maintenance needs, occupying less space and enhancing durability by minimizing exposure to corrosive chemicals, thus reducing service requirements and optimizing chemical storage.
Implementation Method 1
The system utilizes a venturi chemical injection system in conjunction with a constant pressure system including a pump and regulator to maintain a constant pressure for the motive fluid
Implementation Method 2
The system utilizes a venturi chemical injection system in conjunction with a constant pressure system
Data Source
AI summary
A chemical delivery system capable of handling a variety of concentrated chemicals in such a manner as to reduce the amount of service required to maintain the system. The system should be able to accurately and consistently deliver an appropriate quantity of concentrated chemicals as needed by the application where the system is utilized. Additionally, the system is configured such that the system occupies as little space as necessary.