サプライヤーナレッジ · Oxygen Cones & Contactors
Oxygen Cones & Contactors — Dissolution Systems Buyer's Guide
Oxygen cones (Speece cones) and low-head oxygenators dissolve pure oxygen into water at 85–95% transfer efficiency. In intensive RAS they replace inefficient venturis and aeration for peak biomass.
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代表的な用途
- High-density RAS grow-out
- Emergency oxygenation loops
- Marine hatcheries with tight DO targets
プロジェクト規模
- Per unit: $10K–$150K
- Commercial RAS system: $100K–$3M
選定基準
- Transfer efficiency (%) at operating conditions
- Head loss and pumping cost
- Turndown ratio
- Materials for salinity and CIP
バイヤーが尋ねるべき質問
- What transfer efficiency at my target DO and flow?
- What is the head loss curve?
- How do you handle CIP?
よくある調達ミス
- Choosing cones sized for average, not peak biomass
- Ignoring turndown at low load
RFQ推奨事項
- Tender against transfer efficiency spec, not brand
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