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  - DIN 89158/89160 Marine Power Cable
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Ship Building Equipment
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Home > Marine Black Water Treatment Plant

15 Persons Simplified Black Water Treatment Plant

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
1	Device liquid "to take the tank" and not high alarm	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
3	Voice of air pump is abnormal	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
4	Voice of vacuum pump is abnormal	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
7	Water quality is not qualified	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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15 Persons Simplified Black Water Treatment Plant

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