Multi-functional Pipeline Combustion Gas Supply System
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Solution Overview
Problem
Current combustion-gas supply systems for turbine engines in fracturing technology face challenges such as residual gas safety hazards, complex on-site operations, insufficient gas supply issues, and lack of pre-operation pressure testing, leading to increased costs and operational difficulties.
Innovation Solution
A combustion-gas supply system incorporating a main pipeline with a multi-functional pipeline that allows for high-pressure gas introduction to discharge residual gas, conduct pressure tests, and supply additional gas when needed, featuring a network of valves and sensors for real-time monitoring and control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional combustion-gas supply system is used, then the system structure is simple, but residual gas safety hazards exist and on-site operation difficulty increases
Solution Approach 1:
The multi-functional pipeline is designed to perform multiple functions: it can introduce high-pressure gas to discharge residual combustion gas, conduct pressure testing on the main pipeline, and supply additional combustion gas when needed. This single pipeline structure resolves the safety issues while avoiding the need for multiple separate systems, thus improving reliability without proportionally increasing complexity.
2Productivity
If the main pipeline supplies all combustion gas, then the system is simple, but gas supply may be insufficient leading to unstable operation
Solution Approach 1:
The multi-functional pipeline serves as both a pressure test conduit and a supplemental combustion gas supply line. During normal operation, it can introduce additional high-pressure gas to ensure sufficient combustion gas supply, while during testing phases, it serves the pressure testing function. This eliminates the need for completely separate test and supply systems.
3Reliability
If pressure testing is conducted separately from the gas supply system, then the original system remains simple, but pre-operation safety testing cannot be performed
Solution Approach 1:
The multi-functional pipeline enables pressure testing to be conducted before normal operation begins. The pipeline can introduce high-pressure gas to test the main pipeline for leaks and structural integrity prior to combustion operations, ensuring safety is verified in advance. This preliminary testing capability is integrated into the same pipeline structure used for gas supply.
4Reliability
If residual gas is not discharged, then the system operates continuously, but safety hazards accumulate
Solution Approach 1:
The system uses periodic high-pressure gas introduction through the multi-functional pipeline to flush and discharge residual combustion gas from the main pipeline at regular intervals or after operations. This periodic cleaning action prevents dangerous accumulation of residual gas while maintaining relatively simple continuous operation between flushing cycles.
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 safety by eliminating residual gas hazards, simplifies on-site operations, and ensures stable and continuous gas supply, reducing costs and operational complexity.
Implementation Method 1
introduce high-pressure gas (for example, high pressure air) into the first sub-pipeline from the first gas outlet pipe through the multi-functional pipeline, to discharge residual combustion-gas in the first sub-pipeline
Implementation Method 2
conduct pressure test on the main pipeline before operation through the multi-functional pipeline to eliminate potential safety hazards, such as leakage of the main pipeline
Data Source
AI summary
A combustion-gas supply system and a combustion-gas supply method thereof, a device equipped with a turbine engine, and a fracturing system are provided. The combustion-gas supply system includes a main pipeline and a multi-functional pipeline; the main pipeline includes a first sub-pipeline and a second sub-pipeline; the first sub-pipeline includes a first gas intake pipe, a first gas supply valve and a first gas outlet pipe arranged in sequence; the second sub-pipeline includes a combustion-gas supply valve and a gas supply pipe, the first gas outlet pipe is connected with the combustion-gas supply valve, the gas supply pipe is configured to be connected with a turbine engine, the multi-functional pipeline includes a second gas intake pipe, a second gas supply valve and a second gas outlet pipe arranged in sequence, and the second gas outlet pipe is communicated with the first gas outlet pipe.