Gas-Liquid Detergent Mixer for In-Situ Injector Cleaning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current sequential gas fuel intake systems for explosion engines, such as those using LPG or methane, require manual disassembly and cleaning of injectors and solenoid valves to remove deposits, which is time-consuming and costly.
Innovation Solution
A device that introduces a controlled and adjustable mixture of detergent liquid and fuel gas into the feed circuit, allowing for in-situ cleaning of injectors and solenoid valves without dismounting, using a metal container with a threaded inlet, pressure gauge, and regulating valves to manage the cleaning process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual cleaning of injectors is performed by dismounting and opening them, then thorough cleaning of deposits is achieved, but time consumption and operational downtime increase significantly
Solution Approach 1:
A detergent liquid is introduced as an intermediary substance through the gas feed circuit to clean the injectors in-situ. The liquid detergent flows through the injector internal passages, dissolving deposits without requiring disassembly. This intermediary cleaning agent enables effective cleaning while the injector remains installed on the engine.
Solution Approach 2:
The injector cleaning system performs self-service by using the existing gas feed circuitry to deliver detergent liquid directly to the injector internal passages. The system utilizes its own structural components (feed lines, injector bores) as the cleaning pathway, eliminating the need for external disassembly and manual cleaning operations.
2Ease of operation
If injectors are dismounted for cleaning, then access to internal passages is improved, but device complexity and reassembly requirements increase
Solution Approach 1:
The detergent liquid acts as an intermediary that penetrates through the injector internal passages without requiring physical access. The liquid flows through the existing fuel pathways, reaching all internal surfaces that need cleaning, thereby providing ease of operation without increasing device complexity through disassembly.
Solution Approach 2:
The gas feed circuit is given a dual function: it continues to supply fuel gas to the engine while simultaneously serving as the delivery pathway for detergent liquid during cleaning operations. This multi-functionality eliminates the need for separate access mechanisms, maintaining device simplicity while enabling effective cleaning.
3Productivity
If detergent liquid is introduced into the feed circuit, then in-situ cleaning is enabled, but control over liquid-gas mixture becomes challenging
Solution Approach 1:
The system employs dynamic control mechanisms including a regulating valve on the detergent liquid feed line and a needle valve on the gas outlet. These valves allow operators to adjust and balance the liquid-gas mixture ratios in real-time, optimizing cleaning effectiveness while managing the complexity of mixture control through simple, adjustable components.
Solution Approach 2:
The system controls the liquid-gas mixture by changing flow parameters through adjustable valves. The regulating valve controls detergent liquid flow rate while the needle valve adjusts gas flow, allowing dynamic adjustment of mixture composition and flow characteristics to achieve optimal cleaning conditions without complex control systems.
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 efficient and cost-effective cleaning of injectors and solenoid valves while maintaining engine operation, reducing downtime and maintenance costs by allowing for cleaning without disassembly.
Implementation Method 1
a tube is attached longitudinally crossing through the bottom... the outlet of which is fitted with a transparent tube revealing the quantity of gas and liquid detergent mixture leaving the container
Data Source
Figure 1~2
Figure 3
Figure 4
AI summary
A gas and liquid detergent mixer for cleaning gas injectors on explosion engines without dismounting, attached to the fuel-feeder system of explosion engines, fuelled by LPG or methane, is used to enable the regulated mixture of fuel gas and a detergent to clean the gas injectors without dismounting and while the engine is running.