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采购问答 · 供氧/增氧系统

养鱼场供氧系统怎么选型,询价要准备哪些资料?

供氧系统应按峰值存塘生物量和投喂量估算,并为高温及投喂高峰预留余量。低密度池塘可用曝气,集约化系统需考虑纯氧。询价应提供品种、水温、池容、供电和液氧配送条件,并要求供应商确认容量、监测报警、冗余配置、单位供氧能耗及完整运行成本,不能只比较设备购置价格。

养鱼场的供氧系统该如何确定容量?

先看峰值存塘生物量和投喂量:耗氧需求随投喂量增加,通常以每 kg 饲料所需的 kg O₂ 表示。为投喂高峰和高水温时段预留安全余量,再确定曝气与纯氧供氧各自承担的比例,选择氧锥、扩散器、LOX(液氧)或现场制氧设备。可先用需氧量计算器初步估算,再请供应商确认。

询价时该选曝气增氧还是纯氧供氧?

低养殖密度及池塘场景下,曝气的运行成本较低;集约化 RAS 和高密度养殖池中,空气无法提供足够的溶解氧,需要纯氧供氧。许多项目会同时询价:曝气承担基础供氧,纯氧用于备用和高峰补充。请供应商提供每输送 kg O₂ 的能耗,便于同口径比较。

供氧系统询价文件应包含哪些内容?

应提供养殖品种、峰值存塘生物量、日投喂量、水温范围、养殖池或池塘容积、现场供电及备用电源情况,以及当地是否具备 LOX 配送条件。还应要求配置溶解氧监测与报警、冗余保障,并提供完整运行成本,而不只是设备价格。

水产养殖项目规划参考指标

FishMatch Group 计算器采用的全球规划参考区间。最终数值需结合供应商报价和项目现场数据确认。
指标数值说明
CAPEX(资本性支出)— RAS(循环水养殖系统)USD 9,000–14,000 per tonne/yr未应用所在国成本系数调整前的全球基准。
CAPEX — 池塘USD 1,800–4,000 per tonne/yr铺膜池塘或土塘,不含土地成本。
CAPEX — 网箱USD 2,500–5,500 per tonne/yr包括网箱、锚泊系统、网衣及配套作业设备。
CAPEX — 流水养殖USD 4,000–7,000 per tonne/yr包括流水槽及取水工程。
能耗RAS ~6 kWh/kg;池塘 ~1.2;流水养殖 ~1.5;网箱 ~0.3以每 kg 鱼产量计。
典型 FCR(饲料系数)鳟鱼 1.1;鲑鱼 1.2;虾 1.4;罗非鱼 1.6;鲤鱼 1.8每 kg 增重所需的饲料 kg 数;随饲料和管理水平而变化。
FishMatch 受理评估的养殖项目规模项目总投资额约 USD 250,000 起面向商业化鱼类和虾类养殖项目。

Short answer

What is the fastest way to get quotes for Oxygen Systems?

Submit one structured request for Oxygen Systems. FishMatch Group translates it into a technical RFQ, runs a confidential sourcing round with project-matched international suppliers, and returns comparable quotations. No fee is charged to the buyer, and your identity and project details stay private until you choose to proceed.

How it works:
One structured request, human-reviewed before any supplier outreach
Typical turnaround:
Depends on scope and site data; no turnaround is guaranteed
Confidentiality:
Supplier names are never exposed during evaluation
Cost to buyers:
No fee charged to the buyer
What is the fastest way to get quotes for Oxygen Systems?

Submit one structured request for Oxygen Systems. FishMatch Group translates it into a technical RFQ, runs a confidential sourcing round with project-matched international suppliers, and returns comparable quotations. No fee is charged to the buyer, and your identity and project details stay private until you choose to proceed.

How does FishMatch Group source suppliers for this requirement?

You submit one structured request. We translate it into a technical RFQ, run it against qualified manufacturers and integrators in the relevant categories, and return normalised quotations you can compare side by side on scope, lead time and total cost of ownership.

Do buyers see supplier names during the sourcing process?

No. Supplier identities stay confidential during discovery and evaluation. You receive anonymised, comparable technical and commercial packages, and introductions happen only after both sides are qualified and agree to proceed.

Before you request quotes

Equipment scope

What equipment does a commercial aquaculture project actually need?

A grow-out project typically needs holding infrastructure (tanks, ponds or cages), water movement (pumps, piping, valves), aeration or oxygenation, water treatment appropriate to the system, feeding equipment, grading and handling gear, monitoring and alarms, and backup power. RAS adds mechanical filtration, biofiltration, degassing, disinfection and tighter process control. Hatchery and processing scopes are specified separately.

Which equipment should be specified before requesting quotes?

Specify the items whose sizing changes everything downstream: design biomass and stocking density, water exchange or recirculation rate, oxygen demand at peak temperature, and installed pumping head. With those four fixed, suppliers can quote aeration, filtration, pumps and power on the same basis. FishMatch calculators produce these figures and attach them to the RFQ.

Can equipment be sourced in stages?

Yes, and phased procurement is common. The usual sequence is water supply and holding infrastructure, then aeration and treatment, then automation and monitoring, then processing and cold chain. Staging works when interfaces and capacity headroom are defined at the start; otherwise later phases force replacement rather than addition.

Start a reviewed RFQ