Nitrogen Carrier for Ferrochromium Nitride Production

Product Specifications

Technical details and manufacturing context for Nitrogen Carrier

Definition

The nitrogen carrier is a critical component within the production system for Industrial-Grade Ferrochromium Nitride Alloy Powder. It is responsible for the controlled introduction, distribution, and delivery of nitrogen gas (N₂) into the reaction chamber or furnace where chromium and iron precursors are processed. Its function ensures the nitrogen is available at the correct pressure, flow rate, and location to facilitate the formation of the nitride phase within the alloy powder matrix. The carrier typically operates by receiving nitrogen gas from a supply line, regulating its flow via integrated valves or nozzles, and directing it into the processing zone. It may use pressure differentials, mechanical dispersion (e.g., through a porous diffuser or lance), or thermal gradients to ensure uniform nitrogen distribution around the raw material, enabling efficient and homogeneous nitridation. Materials on file include high-temperature resistant stainless steel (e.g., 310S) and heat-resistant ceramic (e.g., alumina). Reference parameters include operating pressure 1.0–1.6 MPa, operating temperature -20–80°C, flow capacity 5–20 m³/h at ΔP 0.1 MPa, connection size DN15–DN50 (ISO 7005), body material 316L (ASTM A240), seat material PTFE (ASTM D4894), leakage rate ≤0.01 mL/min at 1.1× rated pressure, response time ≤1 s, power supply 24 ±10% V DC, power consumption 8–15 W, ingress protection IP65 (IEC 60529), and weight 2.5–8.0 kg. These values are directory references and must be confirmed for the specific model and application. Always verify model-specific values and standards with the legal manufacturer or supplier.

Working Principle

The nitrogen carrier receives nitrogen gas from a supply line and regulates its flow via integrated valves or nozzles. It directs the gas into the processing zone using pressure differentials, mechanical dispersion through a porous diffuser or lance, or thermal gradients. This ensures uniform nitrogen distribution around the raw material, enabling efficient and homogeneous nitridation. The carrier's design must maintain proper pressure and flow to achieve the desired nitride phase in the alloy powder.

Common Materials

High-temperature resistant stainless steel (e.g., 310S), Heat-resistant ceramic (e.g., alumina)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Operating Temperature	-20–80 °C	Above 80°C seals degrade
Flow Capacity	5–20 m³/h	At ΔP 0.1 MPa
Connection Size	DN15–DN50 mm	Flanged or threadedISO 7005
Body Material	316L	Corrosion resistantASTM A240
Seat Material	PTFE	Chemical compatibilityASTM D4894
Leakage Rate	≤0.01 mL/min	At 1.1× rated pressureISO 5208
Response Time	≤1 s	From signal to full open
Power Supply	24 ±10% V DC	For solenoid actuation
Power Consumption	8–15 W	During actuation
Ingress Protection	IP65	Dust-tight and water-jet protectedIEC 60529
Weight	2.5–8.0 kg	Depends on size and actuation

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Inlet Connection Port Part
Provides a sealed interface for connecting the external nitrogen supply line to the carrier.

Material: Stainless steel
Flow Control Orifice/Nozzle Part
Regulates and directs the nitrogen gas flow into the processing chamber, often designed to create a specific dispersion pattern.

Material: Heat-resistant ceramic or sintered metal
Thermal Shield/Insulation Layer Part
Protects internal components and connection points from extreme furnace temperatures.

Material: Ceramic fiber or refractory coating
Flow Regulating Valve
Sets the nitrogen flow rate before it reaches the nozzle.
Porous Diffuser Optional
Breaks the nitrogen into fine streams for even dispersion, on the diffuser-type carriers.

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Frequently Asked Questions

What is the primary function of a nitrogen carrier?

It transports and delivers nitrogen gas into the reaction chamber during nitriding, ensuring controlled pressure, flow, and distribution for nitride formation.

What materials are commonly used for the carrier?

High-temperature resistant stainless steel (e.g., 310S) and heat-resistant ceramic (e.g., alumina) are listed as reference materials.

What are typical operating pressure and temperature ranges?

Reference ranges are 1.0–1.6 MPa for pressure and -20–80°C for temperature, but these must be confirmed for the specific model.

How should I verify the carrier's specifications?

Always check the model-specific values and standards with the legal manufacturer or supplier, as directory references are not guarantees.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Up to 10 bar (operating), 15 bar (max burst)
flow rate:	0.5-50 Nm³/h (adjustable via control valves)
temperature:	Ambient to 600°C (typical nitriding process range)
slurry concentration:	Not applicable (gas-only component)

Nitrogen Carrier

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