Tan Long Factory Standard Technical Specifications Matrix
1. Breakthrough Falling Film Plate Technology
The unique advantage of Tan Long falling film technology is that process water is pumped into an overhead distribution weir and trickles as a thin, unconstrained film over vertical stainless steel pillow plates:
• Heat exchange occurs at open atmospheric pressure.
• Even if water approaches 0°C and develops a thin surface ice layer, water continues flowing freely with zero internal burst pressure or rupture hazard.
• Process water reaching +0.5°C collects in a stainless bottom basin and is pumped directly to seafood washing troughs or glazing machines.
2. Total Elimination of Cross-Contamination Hazards
Unlike crude block ice methods that introduce biological contamination during transport and crushing, Tan Long's food-grade chillers operate in a completely closed sanitary loop. Source water passes through micro-filters and UV sterilizers before chilling, guaranteeing zero Coliforms and Salmonella.
3. Process Optimization for Seafood & Poultry Lines
Continuous +0.5°C process water is directly piped to:
• Cooling tanks chilling cooked shrimp rapidly, locking in firm texture and natural flavor.
• Poultry evisceration chill tanks preserving fresh appearance and inhibiting bacterial degradation.
• Supplying water glazing machines to form uniform, crystal-clear ice protective glazes.
Competitive Advantages & Market Comparison Matrix
Technical comparison between genuine Tan Long refrigeration equipment manufactured at Duc Hoa 1 Industrial Park versus substandard market alternatives:
Tan Long Equipment Advantages
- ✓ Atmospheric Falling Film plate technology: Water flows as a thin sheet outside cold plates, eliminating burst risks during localized freezing
- ✓ Handles pure fresh water or mildly saline recirculating process water
- ✓ Mirror-polished electropolished stainless steel surfaces, fully compatible with hot caustic CIP cleaning
- ✓ Manufactured at Tan Long Long An factory, delivering 50% cost savings compared to imported European falling film chillers
Drawbacks of Manual / Used Imported Systems
- ✗ Conventional shell-and-tube chillers operating below +3°C freeze internally and burst tubes, allowing water into compressors and causing catastrophic failure
- ✗ Manual plants dump crushed block ice into tanks, contaminating export seafood with E.coli and Salmonella pathogens
- ✗ Corroded mild steel stains process water yellow, failing strict EU sanitary food safety audits
- ✗ Difficult-to-clean equipment forms harmful microbial biofilm breeding grounds over time
Frequently Asked Questions (FAQs) by Engineers & Investors
Q1: Does a food-grade falling film chiller risk ice clogging during 24/7 continuous operation?
Never. Thanks to open Falling Film geometry, water trickles smoothly across external plate faces; there are no enclosed tubes where freezing could cause blockages like standard chillers.
Q2: Can the unit be sanitized with industrial CIP cleaning chemicals?
Yes. All heat transfer plates and reservoirs are constructed from SUS304 or marine-grade SUS316L, fully enduring caustic NaOH, dilute nitric acid, and 85°C water in automated CIP sanitation cycles.
