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JC-H
JIECHUANG
Overview
The JC-H series cross-sectional flowmeter is designed to address common challenges in measuring fluid flow in pipelines where straight pipe sections are limited. In many flow systems, variations in flow velocity at different points across the pipe cross-section make it difficult to pinpoint an accurate representative measurement. Traditional flowmeters can struggle to identify a consistent pattern, especially when airflow distribution is irregular or when non-uniform flow patterns are present.
To overcome these challenges, the velocity-area method is applied. The cross-sectional area of rectangular or circular pipes is divided into smaller, equally-sized units. The flow velocity at the center of each unit is then measured and averaged to represent the overall flow velocity across the entire pipe section. The more refined the division, the more accurate the flow measurement becomes. This method, combined with a robust design, makes the JC-H series an excellent choice for accurate fluid flow measurement in complex systems.
Application and Features
The cross-sectional flowmeter is an ideal solution for industries requiring high-precision fluid measurement and control, especially in coal-fired power plants, boilers, and other industrial environments. Some key applications include:
Coal-fired power plant boiler control: Online monitoring of load, coal powder quantity, and air distribution to ensure optimal combustion efficiency.
Industrial airflow measurement: Accurate measurement of primary and secondary air for boilers and other applications requiring precise airflow control.
The flowmeter is designed for minimal installation requirements, needing only a straight pipe section of 250-300mm. It operates with minimal pressure loss and is highly resilient to irregular or multi-directional flow. The self-straightening function allows it to maintain accurate measurements even in conditions with unstable fluid flow. Furthermore, the device boasts an anti-blocking blow-sweep system for online maintenance and cleaning, ensuring long-term stability and reducing the frequency of maintenance interventions.
High accuracy and stable performance with basic error limits as low as ±1.0%.
Low-maintenance operation with reduced need for recalibration or frequent on-site adjustments.
Wide application range, supporting pipe diameters from DN=200 to 6000mm and varying pipe shapes, such as circular and rectangular pipes.
Efficient online cleaning with a self-cleaning blow-sweep feature.
Minimal installation effort with straightforward pipe installation requirements.
Measured Media: Air, primary and secondary air for boilers, and other gaseous fluids.
Pipe Type: Compatible with circular and rectangular pipes.
Applicable Pipe Range: DN=200–6000mm, B×H=200×300 to 3000×4000mm.
Basic Error Limit: ±1.0%, ensuring high accuracy in flow measurement.
Nominal Pressure: PN ≤ 6.4 MPa, suitable for various industrial applications with varying pressure levels.
Fluid Temperature: t ≤ 450°C, capable of handling high-temperature media in power plants and other industrial settings.
Accuracy Level: Available in 1.0 grade, 1.5 grade, and 2.5 grade for different application needs.
Durable construction: Designed for continuous operation with minimal maintenance requirements.
Wide-range fluid measurement: Suitable for use in industrial applications such as coal-fired boilers, air distribution systems, and fluid control systems.
Efficient airflow management: The device plays a critical role in optimizing airflow and combustion efficiency in industrial boilers, ensuring stable operations.
The cross-sectional flowmeter offers significant advantages in industries where precision and efficiency are paramount:
Coal-fired Power Plants: Critical for accurate measurement and control of air distribution to ensure rational combustion, enhance operational efficiency, and reduce fuel costs.
Industrial Boilers: Essential for monitoring primary and secondary air distribution, supporting energy efficiency and reducing the environmental impact of industrial operations.
Chemical and Petrochemical Plants: Useful in controlling airflow in fluidized beds, reactors, and other high-velocity systems.
Environmental Protection: Ideal for applications in measuring air distribution in waste treatment facilities and flue gas management.
This flowmeter’s application across diverse industries ensures its relevance for fluid flow measurement in complex environments, where precision and low maintenance are essential for optimal system performance.
