In cutting-edge fields such as gas analysis, catalytic research, and material synthesis, precise control of trace gas reaction processes is key to obtaining reliable data and reproducing experimental results. Regarding customer feedbackHigh precision, low concentration dual gas mixture reactionDue to the stringent requirements, Ruike Tongheng Technology Department has successfully launched a new generation with its strong independent research and development capabilitiesIntelligent dual gas in-situ reaction injection systemThis scheme is designed specifically for scenarios that require precise control of reaction gas ratios, timing, and reaction environments, redefining the standards for trace gas injection with excellent performance.

1 Customer needs and core challenges

The core demand of the customer is: for two types of ultra-low concentrations (both are1ppmThe sulfur-containing gas and ammonia containing gas are classified into different levelsAccurate and reproducibleQuantitative mixing is carried out and introduced into the in-situ reaction tank for controlled reaction. This not only requires the system to have excellent flow control accuracy and timing synchronization, but also to ensure the purity and stability of the reaction pool environment (such as vacuum degree), avoid cross contamination and background interference, thereby ensuring the authenticity and effectiveness of the reaction data.

II Solution: Integrated intelligent sampling and reaction control

To comprehensively address the above challenges, we have designed an integrated systemHigh precision sampling, intelligent process control, and efficient vacuum maintenanceIntegrated system solution.

Accurate quantitative injection and mixing

Core controlThe system uses high-purity nitrogen as the carrier gas and is equipped withHigh precision quality flow controllerFor both types1ppmImplementation of Level Gas SamplesMicro upgrade or even nano upgradeAccurate control of injection volume and programmatic management of injection time.

Process implementation: ThroughRuike TonghengIndependently developed million cycle life electric switching valve（2bit3Tong2bit6Tong) Realize safe and fast switching of gas paths. combinefloat flow meterThe auxiliary monitoring system forms a redundant monitoring system to ensure that the volume and mixing ratio of each round of gas delivery strictly comply with the set parameters, ensuring the reproducibility of the mixing reaction.

Reliable preparation and maintenance of vacuum environment

Before conducting a new round of reaction, the system can automaticallyshut offConnect the pipeline to the reaction tank andIndependent vacuum treatment of in-situ reaction tankThe vacuum degree is as high as -0.09MPaCreate a clean initial environment for the reaction.

Core Innovation——Reverse shut-off technology for back pressure valveTraditional vacuum systems rely on continuous operation of vacuum pumps to maintain negative pressure, with high energy consumption and frequent maintenance issues. Ruike Tongheng innovatively appliedIndependently developed vacuum shut-off back pressure valve.

Technical PrincipleThis technology has achieved“Reverse Cut off”Function. After reaching the target vacuum level, the valve actively closes and relies on itUltra low pressure sealFeatures, realizing both internal and external aspects of the systemZero leakage pressure maintenance.

Revolutionary advantageThis moveRedefined the operating logic of the vacuum pumping systemThe system does not require continuous operation of the vacuum pump, and can achieve vacuum degree with the precise cutoff capability of the back pressure valve itselfLong term stable maintenanceThis will shift the system's operating mode from traditional“High energy consumption and high operation and maintenance”Transform into the latest“Energy saving, stable, and intelligent control”Significantly reduce long-term usage costs and maintenance burden.

III Core components and advantages of independent research and development

The controller of this system integrates multiple key self-developed components, forming a stable and reliable technical foundation:

valve componentMillion cycle life electric switching valve series ensures long life and high reliability of gas path command.

sensing: High precisionQuality flow detectionRealize precise control and dual monitoring of flow rate with a float flowmeter.

Key innovative components：Vacuumize and turn off the back pressure valveIt is the core of the system to achieve energy saving and long-term stable air, reflecting our deep research and development achievements in the field of precision fluid control.

4 Solution value and customer benefits

Accurate and reliable dataAccurate injection control and a pure and stable reaction environment are prerequisites for obtaining highly reliable experimental data.

Efficient and energy-saving operationInnovative vacuum holding technology significantly reduces system energy consumption and noise, improving laboratory energy efficiency.

Easy to maintain and intelligentThe system has a high degree of automation, long lifespan of core components, and significantly reduces the frequency and complexity of daily maintenance.

self-developed and controllableKey components are independently developed domestically to ensure supply chain security and provide more flexible and fast technical support and customized services.

Conclusion

The Rui Ke Tong Heng dual gas in-situ reaction injection system is not only a set of injection equipment, but also aimed at meeting the needs of new scientific research and industrial analysisIntegrated intelligent response control platformWe will continue toIndependent research and development as the core driving forceCommitted to achieving similar goals through“Reverse shut-off technology for back pressure valve”This breakthrough innovation solves key process difficulties for customers, improves R&D and production efficiency, and creates a more precise, reliable, and green future together.

If you need to know the detailed technical parameters of this solution or explore the possibility of customized applications, please feel free to contact the Ruike Tongheng technical support team at any time.