Huake Instrument HK-5100 Series Steam and Water Sampling & Analysis System
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (China) |
| Model | HK-5100 |
| Pricing | Upon Request |
Overview
The Huake Instrument HK-5100 Series Steam and Water Sampling & Analysis System is an integrated online process monitoring solution engineered for thermal power generation plants. It performs continuous, representative sampling of high-pressure, high-temperature steam and boiler feedwater streams—followed by real-time physicochemical analysis—to support closed-loop chemical dosing control of boiler water treatment systems. The system operates on the principle of isokinetic sampling combined with controlled thermal conditioning, pressure regulation, and filtration to deliver conditioned sample streams suitable for precision analytical instrumentation (e.g., conductivity, pH, dissolved oxygen, silica, sodium, and cation conductivity analyzers). Its dual-zone architecture—comprising a high-temperature sampling rack and a low-temperature instrument panel—ensures safe, stable, and metrologically traceable sample delivery under ASME PTC 19.11 and IEC 61511 functional safety guidelines.
Key Features
- Patented Vortex-Tube High-Efficiency Cooler (TR4 type): Single-piece seamless stainless steel spiral coil design with dual inner/outer helical flow paths; achieves ≥2× higher heat transfer coefficient than conventional shell-and-tube coolers under identical inlet conditions (steam saturation temperature up to 540 °C, pressure up to 25 MPa); compact footprint (Φ108 mm × 400 mm); eliminates need for multi-stage cooling cascades.
- High-Temperature Rack: Welded high-pressure isolation valves (ASME B16.34 Class 2500), labyrinth-thread pressure-reducing valves for stable downstream pressure control (±0.02 MPa repeatability), backwash-enabled high-temperature sintered metal filter (no disassembly required), ASME-certified safety relief system, and automated high-temperature blowdown circuit.
- Low-Temperature Instrument Panel: Modular embedded mounting for analytical sensors; precision constant-pressure regulators (±0.005 MPa stability); thermostatically controlled sample conditioning (25 ±0.5 °C); individual flow visualization per channel via calibrated rotameters; fail-safe solenoid shutoff valves activated by over-temperature (>45 °C) or over-pressure (>1.0 MPa) events.
- Structural Integrity: All wetted components conform to ASTM A269 TP316L; high-temp sections rated for 600 °C/30 MPa short-term exposure; full system designed to meet NEMA 4X enclosure rating and seismic qualification per IEEE 344.
Sample Compatibility & Compliance
The HK-5100 accommodates saturated steam, superheated steam (up to 540 °C), boiler drum water, feedwater, condensate, and turbine exhaust steam. Sample conditioning maintains thermodynamic equilibrium during phase transition to ensure representative liquid-phase analysis. The system complies with DL/T 703–2015 (Chinese standard for power plant water and steam quality monitoring), aligns with ISO 8502-9 for corrosion risk assessment inputs, and supports audit readiness for ISO 9001, ISO 14001, and IATF 16949 quality management frameworks. Optional integration with redundant PLC-based logic solvers enables compliance with SIL-2 requirements per IEC 61508.
Software & Data Management
While the HK-5100 is primarily a hardware conditioning platform, it interfaces seamlessly with third-party DCS/SCADA systems via 4–20 mA analog outputs and Modbus RTU (RS-485). Optional Huake HKS-DataLink module provides timestamped digital logging of sample pressure, temperature, flow rate, and valve status per channel, supporting 21 CFR Part 11-compliant electronic records when deployed with validated audit-trail-enabled historian software. All configuration parameters are stored in non-volatile memory with battery-backed retention (>10 years), and firmware updates follow secure signed-package protocols compliant with IEC 62443-3-3.
Applications
- Real-time monitoring of boiler water chemistry for coordinated phosphate/pH control and all-volatile treatment (AVT-R/AVT-O) optimization.
- Early detection of condenser tube leakage via cation conductivity and sodium spike trending.
- Steam purity verification in supercritical and ultra-supercritical units per ASME B31.1 and EPRI TR-102365.
- Support of turbine stress corrosion cracking (SCC) mitigation programs through continuous chloride and sulfate monitoring.
- Integration into plant-wide digital twin architectures for predictive maintenance modeling of feedwater train components.
FAQ
What maximum steam temperature and pressure can the HK-5100 safely condition?
The high-temperature rack is rated for continuous operation at 540 °C and 25 MPa, with transient tolerance up to 600 °C for ≤15 minutes per ASME Section I design margins.
Does the system support remote diagnostics and predictive maintenance alerts?
Yes—when equipped with the HKS-DataLink module and connected to a compatible historian, it enables trend-based anomaly detection (e.g., cooler fouling rate estimation, filter differential pressure drift) using configurable thresholds.
Is the vortex-tube cooler certified to any international heat exchanger standards?
The TR4 cooler conforms to TEMA Class R mechanical design criteria and has undergone independent thermal performance validation per ISO 14310 and ASTM E1530.
Can the HK-5100 be retrofitted into existing sampling skids?
Yes—the modular rack-and-panel architecture allows phased replacement of legacy coolers, filters, and regulators without plant shutdown; dimensional compatibility kits and interface adapters are available upon engineering review.
What documentation is provided for regulatory audits?
Factory acceptance test (FAT) reports, material certifications (MTRs), ASME U-stamp documentation for pressure components, calibration certificates for all flow/pressure/temperature transmitters, and IQ/OQ protocol templates are included with each shipment.
