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Coalescing Plate Separator Manual Models: DCP1500S, DCP3000S

EQUIPMENT LIST

ONE EverythingWater CPS MODEL

Dimensions DCP1500S: 1220mm long x 450mm wide x 800mm high (adj)
Dimensions DCP3000S: 1950mm long x 450mm wide x 800mm high (adj)
Dimensions DCP5000S: 1950mm long x 900mm wide x 800mm high (adj)
Dimensions DCP10000S: 2560mm long X 1260mm wide X 800mm H (adj)
Performance Rating: See "Design Conditions"
Approximate Weight: 60, 80, 120, 440 kg (dry)

APPLICATION DESCRIPTION

We understand that wastewater will gravitate into an in-ground holding well and then be pumped to an above-ground CPS where free oils and suspended solids will be removed to a level suitable for discharge to the sewer system.

DESIGN CONDITIONS

The system has been selected based on the following design parameters:
- Maximum Flow Rate = 1500L/hr, 3000L/hr, 5000L/Hr and 10000L/hr
- Oil SG = 0.85
- Minimum Temperature = 15°C

No chemical emulsions, surfactants or water soluble degreasers to be present.
Only "Quickbreak" type detergents may be used

PRINCIP LE OF OPERATION

Like all gravity separators, the EverythingWater CPS depends on Stokes' Law for its performance prediction. Stokes' Law is the physical law governing the settling/rise rate of a particle/oil droplet in a fluid stream, and along with various design parameters, determines the size and type of CPS unit.

Operation of the CPS is simple:

- Oily water influent is introduced into the first section of the CPS via the pump. Heavy solids settle out immediately and fall into the hopper, whilst large oil slugs rise to the surface.
- The remaining oily/water mixture flows through the closely spaced Polypropylene plates with the smaller oil droplets and fine suspended solids being progressively separated. An oil dam prevents the collected (floating) oil from escaping into the outlet pipe. Oil skimmers are provided for the removal of the accumulated oil.
- Clean water passes underneath the base of the oil dam, over the outlet weir (funnel) and gravitates to the point of discharge.

INSTALLATION INSTRUCTIONS

EverythingWater CPS
The basic steps for installation of the CPS unit are as follows:
1. Select a sound, level foundation for locating the unit. Secure the feet to the foundation with 8mm diameter "Dynabolts" or similar fasteners.
2. Connect the clean water outlet pipe to the outlet connection of the CPS.
3. Connect the oil outlets from the oil skimmers to the oil collection drum. It is recommended that a valve be installed in the oil outlet line/s.
4. Connect the solids outlet (BSP threaded female fitting located at the base of the hopper) to suitable sludge disposal piping or container. A valve is to be installed in the solids outlet line.
5. Connect the oily-water inlet pipe (discharge from pump) to the inlet connection of the CPS. Flexible hose is to be installed either side of the pump, along with unions, to allow easy removal of pump if required.

Note:
- All CPS fittings are BSP threaded female connections.
- All rigid pipework is to be independently supported.
- A bund complete with a drain back into the pumping/holding well should be constructed around the CPS unit, in case of spillage etc during servicing.

MONO CP and B SERIES PUMPS

Secure the pump to the pump mount beneath the CPS if provided, using 10mm diameter bolts. The outlet port of the pump should be pointing away from the solids hopper enabling easy plumbing to the inlet port of the CPS. If the pump is to be mounted in an area open to the weather (ie not directly under the CPS), the manufacturer recommends that the unit be installed under a cowl or similar enclosure to exclude rainwater and allow free air flow to the pumps motor.

LOW VOLTAGE CONTROL PANEL WITH FLOAT SWITCH

The control panel and float switch should be installed by a licensed electrician. All applicable wiring standards should be adhered to.

OPERATING INSTRUCTIONS

EverythingWater CPS Initial Start-up
This procedure is to be followed after the initial installation, or after the unit has been drained, cleaned and is ready to be brought back into operation.
1. Ensure that the water inlet is closed off by isolating the pump (ie switch control box to "Off").
2. Set the oil skimmers at their highest level. Ensure that there are no obstructions in the oil or water outlet piping and remove any foreign matter if necessary.
3. Ensure all fittings are tight and secure.
4. Fill the tank with clean water until water starts to flow over the outlet weir (funnel).
5. Check for leaks or blockages.
6. Set the Wastewater Control System to "Auto".
7. Once the wastewater level in the pit reaches the high level, the pump will automatically activate. Note that pump activation is dependent on the wastewater level.
8. At the rated flow, set the top of the oil skimmer (socket) to approximately 2-3mm above the maximum (operating) water level by screwing the sockets up/down. Secure the lock nut to ensure no movement.
9. Check effluent quality after oil begins to flow out of the skimmer pipe, or after 60 minutes of operation. This should be done by collecting 300ml samples from the water outlet pipe of the CPS and from below the oil layer (if present) in the solids settlement pit. The samples should be tested by an independent laboratory for Total Oil & Grease, Suspended Solids and Total Petroleum Hydrocarbon content.

Note:
- Skimmers can be adjusted if necessary, but remember that it is acceptable for an oil layer of approx. 3-5mm to be maintained on the surface at all times.
- Always adjust oil skimmers relating to the MAXIMUM water level (ie at full flow conditions).

MONO CP SERIES PUMP

- Please refer to the manufacturer's instructions.

LOW VOLTAGE CONTROL PANEL WITH FLOAT SWITCH

Once the pump and controls have been wired up correctly, the operating switch on the control box should be turned to "Auto".

Note:
- If at any time the pit needs to be pumped down to a low level, the unit should be switched to "Manual".
- In the "Manual" mode, the pump must be switched off by the operator; that is, the switch must be returned to the "Auto" position to stop the pump. The low-level position of the float will not override the manual position.

ROUTINE MAINTENANCE

EverythingWater CPS
The solids hopper should be drained fortnightly by opening the valve on the solids hopper until clean water is flowing (ie all the accumulated solids have been removed). The waste sludge should be contained in a 20 or 60 litre drum and disposed of by a suitable contractor. Do not drain the solids hopper into the pumping/holding well.
It is recommended that the CPS unit be serviced regularly, the frequency being determined by the amount of solids built up in the plates at the time of the first inspection, which should take place approximately 1 months after installation.
A thin oil film present on the plates is normal.
Cleaning need only be carried out if the plates are blocked by an oily sludge.

MONO CP SERIES PUMP

Please refer to the manufacturer's instructions.

LOW VOLTAGE CONTROL PANEL WITH FLOAT SWITCH

Nil maintenance is required. Should any problems or difficulty arise, please contact the manufacturer.

STEPS FOR PLATE PACK INSPECTION AND SERVICING

1. The flow to the separator is to be isolated by turning the control switch to the "off" position.
2. Lower oil skimmers to remove as much oil from the surface as possible, and then raise to the operating position.
3. Remove the PVC flow blocks.
4. Remove the plates by lifting slowly, allowing the water to drain back into the tank. Visual inspection will determine the amount of solids built up in the plates. If they appear to be silted up, they can be cleaned in one of two methods:

METHOD 1 - CLEANING IN SITU (OPERATING POSITION)
1. Replace the plates and drain the tank through the valve on the solids hopper. The waste must be collected by a licensed waste contractor for suitable disposal. Do not drain the contents of the CPS unit into the holding well. Close the valve on the solids hopper.
2. The holding well is to be pumped out and the waste disposed of by a liquid waste contractor. All built up sludge/oil is to be removed. Scrape the walls of the holding well if necessary.
3. The plates should be cleaned by spraying water down EVERY hole in the plates to ensure the sludge (if any) is removed properly

DO NOT USE ANY DETERGENTS

4. Hose the inside of the CPS, ensuring all collected sludge and oil is removed. Drain the CPS once again and dispose of the waste as above.
5. Replace the PVC flow blocks.
6. Fill the CPS with clean water until water starts to flow over the outlet weir (funnel).
7. Return the switch on the control box to the "Auto" position.

METHOD 2 - CLEANING IN BUNDED AREA

1. Drain the CPS through the valve on the solids hopper. The waste must be collected by a licensed waste contractor for suitable disposal. Do not drain the contents of the CPS unit into the holding well. Close the valve on the solids hopper.
2. The holding well is to be pumped out and the waste disposed of by a liquid waste contractor. All built up sludge/oil is to be removed. Scrape the walls of the holding well if necessary.
3. Hose the plates thoroughly (in a bunded area draining back into the holding well), ensuring built up sludge (if any), is removed.

DO NOT USE ANY DETERGENTS

4. Hose the inside of the CPS, ensuring all collected sludge and oil is removed. Drain the CPS once again and dispose of the waste as above.
5. Replace the plates and PVC flow blocks.
6. Fill the tank with clean water until water starts to flow over the outlet weir (funnel).
7. Return the switch on the control box to the "Auto" position.

Note:
- The quantity of sludge found in the hopper and in the plates should be used as a basis for determining the interval between subsequent cleaning operations.
- A thin film of oil on the surface of each plate is normal.

SPARE PARTS LIST

No spare parts are required for the CPS. Should any of the plates or oil skimmer parts become damaged they can be repaired or replaced by contacting:

 

 

 
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