Anhui Tianfen Instrument's zirconia analyzer has been successfully applied to the electroslag furnace at Northeast Special Steel, empowering advanced specialty metallurgical processes.

Release time: 2025-10-04


Anhui Tianfen Instrument's zirconia analyzer has been successfully applied to the electroslag furnace at Northeast Special Steel, empowering advanced specialty metallurgical processes.

Recently, good news came from Northeast Special Steel Group Co., Ltd.: the independently developed and produced by Anhui Tianfen Instrument Co., Ltd. High-Performance Zirconia Oxygen Analyzer , in its critical electroslag remelting process ESR ) The furnace equipment was successfully put into operation, achieving a complete and seamless success. The stable performance of this instrument has provided robust technical support for Northeast Special Steel to precisely control the smelting atmosphere and enhance the quality of its high-end specialty steel products, earning high recognition and praise from our customers.

Electroslag remelting is a crucial refining process for producing high-quality special steels and alloys, and it places extremely stringent requirements on controlling oxygen levels during smelting. Accurately measuring even trace amounts of oxygen within the furnace directly determines the final product's purity, mechanical properties, and service life. This time, Northeast Special Steel, after rigorous technical selection and product comparisons, ultimately chose Anhui Tianfen Instruments—renowned in the field of industrial process analysis—as its equipment supplier.

Anhui Tianfen Instrument's zirconia oxygen analyzers are renowned for their Highly accurate measurement, rapid response, and excellent stability Its core advantage perfectly aligns with the demanding operational requirements of the electroslag furnace. To ensure the equipment delivers optimal performance, Anhui Tianfen Instruments dispatched a team of experienced technical engineers to the Northeast Special Steel site, providing services ranging from equipment installation and system debugging to comprehensive technical training. One-stop Professional services. The technical engineers successfully navigated the complex on-site conditions, precisely completed the installation and parameter adjustment of the instruments, and provided guidance to the customer on operation procedures.

Since its commissioning, the zirconia oxygen analyzer has been operating steadily, delivering accurate and reliable data measurements. It has provided Northeast Special Steel’s process engineers with real-time, continuous oxygen content monitoring data, enabling them to promptly optimize smelting parameters and effectively enhance both product consistency and yield quality. The on-site manager of Northeast Special Steel commented: Anhui Tianfen Instruments' products boast exceptional performance that exceeded our expectations. Their technical team impressed us deeply with their professionalism and dedicated service attitude. This collaboration was not only enjoyable but also highly successful.

This successful collaboration with Northeast Special Steel is not only a milestone for Anhui Tianfen Instruments in Specialty Metallurgy This marks another significant milestone in the high-end application field, further demonstrating the exceptional adaptability and reliability of its zirconia oxygen analyzers even in complex industrial environments. The General Manager of Anhui Tianfen Instrument Co., Ltd. stated: We are honored to serve industry leaders like Northeast Special Steel. Customer recognition is our greatest motivation as we relentlessly pursue technological innovation. Moving forward, we will continue to deepen our expertise in the field of industrial analysis, delivering even higher-quality products and more comprehensive services to support China’s manufacturing sector in its transformation, upgrading, and pursuit of high-quality development.

About Anhui Tianfen Instrument Co., Ltd.:
Anhui Tianfen Instrument Co., Ltd. is a leading domestic manufacturer of industrial process analytical instruments, with a long-standing focus on the research, development, production, and sales of products such as zirconia oxygen analyzers and gas analysis systems. The company's products are widely used across multiple industries, including power generation, metallurgy, chemical engineering, building materials, and environmental protection, earning widespread trust from customers both at home and abroad thanks to their precise measurements, reliable performance, and comprehensive after-sales services.

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Trace oxygen analyzer, oxygen analyzer, zirconia oxygen analyzer, ppm oxygen content analyzer


Zirconia-based trace oxygen analyzers (typically with a measurement range of 0.01 ppm to 5,000 ppm O₂) offer key advantages: high-temperature stability, ppm‑level accuracy, rapid response, and continuous operation. They are widely used for trace oxygen monitoring, inert‑atmosphere protection, and quality control of high-purity gases. **Metallurgy / Steel Industry (Heat Treatment / Protective Atmospheres):** Applications include nitriding furnaces, annealing furnaces, heating furnaces, converter flue gases, and glove boxes. Functions: In controlled-atmosphere furnaces (ppm‑level), precise oxygen control (10–1000 ppm) prevents oxidation and decarburization of workpieces, enhancing hardness and wear resistance. In vacuum/glove box environments, maintaining O₂ levels below 50 ppm protects lithium‑battery materials, rare metals, and precision components. **Semiconductors / Electronics (High‑Purity Gases / Cleanroom Environments):** Applications encompass diffusion/oxidation furnaces, wafer annealing, LED epitaxy, vacuum chambers, glove boxes, and high‑purity nitrogen, argon, and hydrogen pipelines. Functions: Ultra‑high‑purity gases (0.01–1 ppm) ensure process yield by preventing oxidation defects in silicon wafers, chips, and LED dies. Inert atmospheres (10–100 ppm) maintain an oxygen‑free environment, safeguarding sensitive materials and devices. **Air Separation / Industrial Gases (High‑Purity Gas Quality Control):** Applications include air‑separation units (N₂/O₂/Ar), high‑purity gas filling, pipeline transport, and cylinder inspection. Functions: Monitoring trace oxygen levels (0.1–10 ppm) in N₂/Ar streams ensures compliance with purity standards (e.g., high‑purity nitrogen ≥99.999%). **Food / Pharmaceutical Industries (Preservation / Aseptic Conditions):** Applications cover food packaging (nitrogen flushing or modified‑atmosphere packaging), pharmaceutical lyophilization and packaging, fermentation tanks, and aseptic isolators. Functions: Residual oxygen levels in packaging (0.1%–5%) inhibit oxidation and mold growth, extending shelf life for meat products, fruits, vegetables, and pharmaceuticals. **Laboratories / Research (Precision Environments):** Applications include materials R&D, battery laboratories, catalytic reaction studies, inert‑gas‑protected experiments, and glove boxes. Functions: Precise control of oxygen partial pressures (from ppm to % levels) enables simulation of oxygen‑free or low‑oxygen conditions, ensuring experimental reproducibility and data reliability. **Technical Specifications:** - Measurement range: 0.1 ppm–20,000 ppm; 0–20.6%; 0–100% - Output signal: 4–20 mA; load resistance ≤500 Ω - Communication interface: RS‑485 - Resolution: 0.01 ppm - Repeatability: ±0.5% of full scale - Basic error: ≤±1% (full scale) - Stability: ≤±1% (after 4 hours of continuous calibration) - Response time: Within 5 seconds when a standard gas is introduced to the sensor, reaching 90% of the final reading - Sample gas flow rate: Adjusted via flow meter, typically maintained at 0.1–0.2 NL/min - Ambient temperature: 0°C–45°C - Power supply and power consumption: 220 VAC ±10%, maximum power consumption 150 W - Sample gas temperature: 0–50°C - Sampling method: Either suction‑type or direct‑injection - Operating pressure (without pump): 0.05 MPa < inlet gauge pressure < 0.35 MPa, with stable atmosphere - Operating pressure (with pump): Micro‑positive, micro‑negative, or atmospheric pressure - Background gases: He, Ar, CO₂, N₂, and other inert gases mixed as needed - Gas‑line interface: 1/8-inch φ6 ferrule or quick‑connect fitting
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