Chemical Industry Ceramic Nozzles with Exceptional Corrosion Resistance and Durability

Specially designed for harsh chemical industry conditions, this product is manufactured using 99.5% high-purity silicon nitride (Si₃N₄) through gas pressure sintering. It demonstrates exceptional corrosion resistance, wear resistance, and thermal shock stability for long-term reliable operation in strong acid/alkali environments.

Chemical Industry Applications

• Petrochemical: Acidic media injection systems

• Pesticide production: Corrosive liquid atomization devices

• Fertilizer manufacturing: Molten salt spraying

• Synthetic fiber: Precise spinning solution distribution

• Wastewater treatment: Strong acid/alkali spray systems

Chemical-Grade Advantages

✓ Superior corrosion resistance: Withstands 98% H₂SO₄, 37% HCl, etc.
✓ Excellent alkali resistance: Tolerates 50% NaOH (<80°C)
✓ Anti-scaling design: Surface roughness Ra≤0.1μm
✓ Zero metal contamination: Prevents secondary pollution
✓ Extended operation: ≥8000 hours continuous service

Chemical Performance Specifications

Chemical Process Features

1. Material selection: High-purity Si₃N₄ powder (Fe≤50ppm)

2. Corrosion-resistant formula: Optimized grain boundary phase

3. Gas pressure sintering: 1850°C/10MPa N₂ atmosphere

4. Surface treatment: Nano-level polishing (Ra≤0.1μm)

5. Corrosion testing: 72h acid/alkali immersion

6. Sealing: Pre-installed PTFE seals

Usage Guidelines

⚠️ Installation: Use PTFE gaskets
⚠️ Pressure limit: ≤6.4MPa (PN64)
⚠️ Temperature: Avoid ΔT>600°C shocks
⚠️ Maintenance: Inspect every 2000 hours
⚠️ Cleaning: Only pure water/alcohol

Chemical Industry Services

• Media compatibility testing: Free evaluation

• Emergency replacement: 48-hour delivery

• On-site support: Corrosion experts available

FAQ

Q: Suitable for HF environment?
A: Requires special coating, not recommended for standard version.

Q: Handling crystallization clogging?
A: Optional heating jacket (max 300°C) available.

Q: Flange standards available?
A: ANSI, DIN, JIS standards customizable.