15 Persons Marine Sewage Treatment Plant
Introduction
The sewage treatment plant is applicable to treat the sewage (human body wastes and wastes from the toilets on vessels, known as black water. It doesn’t add any dilution water, gray water, processing water or seawater. And it’s not suitable for special region like Baltic Sea discharge sewage to the passenger ship, without considering the requirements of the performance index of total nitrogen and total phosphorus.
The type marine sewage treatment plant uses activated sludge, contact oxidizing and principle of biologic membrane to digest the organic pollutant, which can treat sewage effectively and reach at the IMO new effluent standard or other stricter requirements.
Technical Specifications
|
Type |
SWCM(Ⅰ)-15 |
|
Rated/MaxCapacity |
15persons /17persons |
|
Total Suspended Solids |
≯35mg/l |
|
Biochemical Oxygen Demand |
≯25mg/l |
|
Thermotalerant Coliform Standard |
≯100/100ml |
|
Chlorine Residual |
≯0.5mg/l |
|
Chemical Oxygen Demand (COD) |
≯125mg/l |
|
PH |
6～8.5 |
Tank Specifications
|
Material |
|
Mild Steel |
|
Hydraulic |
|
2M Water Column |
|
Outline dimension： |
|
L×W×H： 1250×1150×1500 |
|
Weight(Dry/Wet) |
|
1000KG/2000KG |
|
Surface sandblasting |
|
2.5 grade |
|
Inner Paint Thickness |
Epoxy tar paint |
The thickness of the film is 0.25-0.3mm |
|
Color |
Equipment |
standard of manufacturer The thickness of the film is 0.2-0.25mm |
|
The operation surface： |
|
≥600mm |
Equipment List
| Main component Data | ||
|
Cutting pump |
Type：0.5CWF-8 |
1Set |
|
Material (shell, impeller, shaft)：Assembly |
||
|
Capacity: 5m3/h |
||
|
Power and protection grade: 0.75KW F class |
||
|
Air pump |
Type：2RB 210-7AH16T |
1Set |
|
Material (shell, impeller, shaft)：Assembly |
||
|
Capacity: 80m3/h |
||
|
Power and protection grade：0.55KW F class |
||
|
Discharge pump |
Type：25ZB-2-20 |
1Set |
|
Material (shell, impeller, shaft)：Assembly |
||
|
Capacity:2m3/h |
||
|
Power and protection grade: 0.75KW F class |
||
|
UV disinfectant |
Type：JX-0.5UV |
1Set |
|
Power Supply：AC220V 50HZ 3P |
||
|
Electric control box |
Type： 321DF-1M-01YL |
1Set |
|
Power Supply： |
Common Troubles and Solutions
|
No. |
Trouble |
Possible cause |
Solution |
|
1 |
Device liquid "to take the tank" and not high alarm |
Check the overflow port,if not overflow, the device internal contact oxidation tank to the electric flocculation tank pipeline or overflow port pipeline blockage. |
Clean up the block line |
|
Check the overflow port, if the overflow, then check the control box control |
Electrical maintenance |
||
|
2 |
High level alarm device |
Look at the water meter, such as above rated flow, it is possible to use the peak of the toilet |
Temporarily using the toilet |
|
Look at the water meter, such as below rated flow, the discharge pipeline may not be smooth |
Check discharge line |
||
|
Look at the water meter, such as the rated flow rate, the film may be contaminated. |
Cleaning membrane |
||
|
3 |
Voice of air pump is abnormal |
Pump failure |
Repair or replacement of the pump |
|
The air pump and the electric three-way valve can not be opened simultaneously. |
Check control circuit |
||
|
4 |
Voice of vacuum pump is abnormal |
The suction is not smooth. |
Check line |
|
No water, the membrane may be fouled. |
Cleaning membrane |
||
|
5 |
One hour without steering electric three-way valve |
Sewage or sludge can not be regularly upgrade |
Check the control circuit or electric three-way valve |
|
6 |
UV-lamp is not lighting |
UV-lamp is broken |
Replace the lamp |
|
7 |
Water quality is not qualified |
Activated sludge is not enough or qualified |
Re-culture bacteria |
|
The membrane is out of order |
Replace membrane |
IACS Certificate Options: CCS, ABS, BV,LR, DNV.GL, NK,KR, RMRS, RINA
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