The FRP Dissolved Oxygen Cone is a composite vessel that mixes oxygen with circulating water in aquaculture and water treatment. The chamber widens below its inlet, slowing the downward water flow and giving bubbles more time in contact with the water. Water, gas and drain lines connect through separate ports. The resin is selected for freshwater or seawater conditions. In a recirculating fish system, the vessel forms one part of the oxygen supply circuit; it does not replace monitoring of dissolved oxygen in the culture water. Connection positions determine how the vessel fits between the supply pipe and return line.
Flow and Pressure
|
Parameter |
Details |
|
Flow range |
18–140 m³/h |
|
Working pressure |
0.25 MPa |
|
Test pressure |
0.4 MPa |
|
Typical material |
FRP composite |
|
Water service |
Freshwater / seawater applications, subject to resin selection |
|
Configuration |
Model-specific inlet, outlet, gas and drain ports |
|
Product |
FRP Dissolved Oxygen Cone |
Construction Benefits
The FRP Dissolved Oxygen Cone combines the contact chamber and its connection points in one vessel, limiting the space occupied by separate components.
The composite shell avoids exposed steel surfaces in contact with the water. Resin selection accounts for the medium rather than treating all water conditions alike.
A separate drain provides access to residual water without removing the main inlet and outlet pipes.
Fitting the Circulation Circuit
The FRP Dissolved Oxygen Cone needs more than an empty space large enough for its shell. Valve handles must turn freely, and the drain needs a usable discharge route. These clearances belong on the layout before connection positions are fixed.
Adjoining pipework needs its own support so its weight does not pull on the flanges.
FAQ
Q: Is circulation flow enough to choose the vessel?
A: No. Selecting an FRP Dissolved Oxygen Cone also requires the target dissolved oxygen, temperature, salinity, inlet pressure and pipe size. Oxygen demand matters alongside circulation flow.
Q: Can the connections face a different direction?
A: Yes. Port positions and flange directions can be specified before production. The drawing should identify each connection so the gas and water lines remain distinct.
Q: What needs attention before startup?
A: Inspect the shell and joints for transport damage and leakage. Follow the agreed startup procedure. Isolate and depressurize the vessel before internal inspection.
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