Pump Solutions Group Neptune Polymaster User Manual

Neptune Chemical Pump Co.
P.O. Box 247
Lansdale, PA 19446

Polymer Dilution Blend and Feed Specifications For General Use

1.0 GENERAL

The contractor shall furnish and install polymer dilution blending and feeding units together
with all drives, motors, valves, piping, supports, controls, and accessories necessary for a
complete and operable system in accordance with the requirements of the contract
documents. Each system shall be completely piped, wired and tested before shipment.

2.0 PRODUCTS

2.01 General

The polymer dilution blending and feeding units shall be integrated equipment
packages to automatically meter, dilute, activate, and feed (emulsion, solution or
dispersion) polymers. Concentrated polymer and water shall be blended. The
process shall begin with a motor driven, high energy, injection head which shall
spread the polymer into thin layers for introduction to the water without the formation
of fisheyes or gels. The injection head shall have a multiple vaned, close tolerance
rotor. All of the dilution water shall go through the high energy zone for machines with
capacities of 1200 gpm or less. Units handling water flows in excess of 1200 gpm
shall utilize secondary dilution. Machines which feature secondary dilution shall
cause flow in excess of 1200 gpm to be diverted to the secondary dilution stage.
When flows reduce, the secondary dilution stage shall be shut down for flow rates
below 1200 gpm to allow all of the dilution water to, again, pass through the high
energy injection head.

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Electronic Diaphragm Metering Pump

After the initial high energy mixing, the solution shall be introduced into a low energy
static mixer. Static mixer shall contain a series of 316SS mixing elements housed in
clear PVC housing for viewing the final mixed solution. Static mixing elements shall
produce a high degree of back mixing. Systems that do not have a motor-driven
polymer mixing chamber shall not be considered equal. System shall be designed for
wash down duty. System shall have an electronic diaphragm polymer feed pump.

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Neptune Chemical Pump Co.
P.O. Box 247
Lansdale, PA 19446

2.02 Frame

Each polymer unit shall have a 304 stainless steel open frame that will house and
support all components.

All components in contact with polymer or water shall be of stainless steel, brass or
inert plastic.

2.03 Pump

The pumps shall be an electronic solenoid-driven diaphragm type that have a manual
stroke length adjusting knob and electronic push button control of the strokes per
minute or hour.

Diaphragm pump shall be capable of receiving an external 4-20 mA pacing signal
from a remote monitoring devices (supplied by others) to automatically adjust the
neat polymer feed rate.

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Diaphragm pump shall be capable of pumping liquid polymers with an apparent
viscosity of 50,000 cps. Pump shall have a water proof microprocessor type control
panel with a LCD digital display of strokes per minute. Stroke rate shall be 0 — 100
strokes per minute. (Units used to prepare dilute solutions to be stored in a central
tank for distribution to multiple points by other pumps, shall be manually controlled by
the on/off sequence of high and low level switches; the 4-20 mA pacing signal is not
required.)

Pump output shall be: _____ gph minimum. _____ gph maximum. A wye strainer
shall be supplied installed in the suction line for the pump.

2.04 Rotameters

Each unit shall have an integral rotameter type flow indicator to meter and control the
dilution water flow rate. The rotameter shall have a guided float type with acrylic
metering tube scaled in 0 to ____gpm and with a 316 stainless steel and brass
control valve. If more than 1200 gph of dilution water is required, a secondary flow
indicator shall provide an additional 0 – 1800 gph. The secondary dilution water flow
shall combine with the primary flow circuit and pass through a second static mixer
prior to exiting the unit.

NeptServ1/Joan-Sandy/Polymaster/Manuals&Literature/Spec Dia 2-2-2000 jvb

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Neptune Chemical Pump Co.
P.O. Box 247
Lansdale, PA 19446

2.05 Pressure Sensor

Each unit shall have an integral flow sensor to automatically place the system in
standby in the event of insufficient dilution water pressure/flow. When in “stand-by”,
the polymer feed pump is shut off, preventing the feeding of polymer in the absence of
sufficient dilution water. The polymer feed pump is shut off making it impossible to
feed polymer in the absence of sufficient dilution water. This condition will generate
an alarm contact output when low pressure is detected. System will restart
automatically when water pressure is restored

2.06 Solenoid Valve

Each unit shall have an integral solenoid valve for on/off control of the dilution water.
The solenoid valve and polymer feed pump are interlocked to an HOA selector switch
enabling the unit to be started or stopped from a remote signal.

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2.07 Check Valves

Each unit shall have a check valve located on the polymer and water discharge lines
mounted immediately adjacent to the point of initial contact between the water and
polymer. The valve shall be chemically compatible with the polymer and water.

2.08 Dilution Water

Each unit shall be supplied with a wye strainer for dilution water inlet. Each unit shall
have a pressure gauge to monitor water pressure throughout the system and
withstand 100 psi operating pressure.

2.09 High Energy Mixing Unit

The polymer and water shall mix and activate initially in a motor-driven, thin-film
injection head called the “Gatlin”. The high energy mixing unit shall consist of a
sixteen groove fluted rotor that allows water to flow through its flutes while rotating at a
constant 1550 rpm. Neat polymer shall be injected through a check valve, through the
side of the housing and perpendicular to the rotating flutes and dilution water. The
tolerance between the sixteen rotor tips and housing shall not exceed 0.020 inch.
Injection head shall be designed to produce a minimum of 400 ultra thin polymer
sheets per second. To prevent shear rate damage to the polymer, high energy
contacting time of the polymer and dilution water shall not exceed 0.5 seconds. Mixing
systems without high energy mixing zones or with contacting times greater than 0.5
seconds shall not be considered equal. Systems that rely solely on hydraulic
impingement contacting and static mixing chambers shall not be acceptable.

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Neptune Chemical Pump Co.
P.O. Box 247
Lansdale, PA 19446

The high energy mixing device will have a minimum speed of 1550 RPM and shall not
be a pump. The mixing chamber shall have a mechanical seal and a 316 stainless
steel shaft and housing.

2.10 Static Mixing

Each unit shall have a secondary mixing unit constructed of clear plastic to allow
viewing of the mixed polymer and water solution. The mixing unit shall contain 316
stainless steel triple action static mixing elements that complete the polymer blending
process.

2.11 Materials

The wetted elements of the unit which contact neat or dilute polymer shall be
constructed of materials that are non-corrosive, such as the following:

§ PVC

§ Acrylic

§ Polyethylene

§ 316 stainless steel

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2.20 Controls

Each unit shall be equipped with all necessary controls, pre-wired, to provide the
following minimum functions:

§ Dilution water flow control with rate adjusting valve and flowmeter.

§ Hand-Off-Auto* switch to control power to the solenoid valve, Gatlin mixing unit

and metering pump.

§ Stroke frequency and stroke length adjustments for diaphragm pumps.

§ Local or remote control of pump feed rate. *

§ The remote control shall be in response to a 4 to 20 mA control signal. *

§ Flushing mode switch that shuts off the feed pump and allows water to flush

the system.

* In the hand position, the unit is started and stopped manually, however, the flow

sensor described in paragraph 2.05 remains active and polymer will not feed in
the absence of sufficient dilution water. In the auto position, the unit will run
only when an external contact permits the unit to run. This could be a flow
signal from a waste stream, a level switch signaling the need to refill a storage
tank with dilute polymer to be fed by multiple pumps to multiple points of use or
any other external condition that is desired to cause the polymer blending to
begin or end.

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Neptune Chemical Pump Co.
P.O. Box 247
Lansdale, PA 19446

All motors shall be TEFC or TENV construction. All electrical controls and wiring shall
be of NEMA 4 construction.

2.21 The control system shall accept a 4 to 20 mA control signal to pace the polymer feed
pumps in response to external control. (Except for manual units used to refill a
central feed tank as described in paragraph 2.03.)

2.22 Each unit shall be provided with the following output contacts:

§ Run status (dry contact)

§ Fail status (dry contact)

2.30 Power Requirements

Each unit shall have a 120 volt, 60 hertz at less than 5 amps or 220 volt, 50 hertz,
single phase at less the 3 amps power requirement.

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2.40 Accessories

Unless otherwise shown, all polymer dilution and feeding units shall be mounted on
pedestals or 304 stainless steel supports. They may be equipped with the following
optional accessories:

§ Dilution water pressure regulator.

§ Polymer calibration column.

§ Drum suction pipe with thread for drum bung and strainer on end of suction

pipe.

§ 1/3 HP drum mixing unit with three pair of mixing blades. Unit is designed to be

inserted through a 2” bung hole and threaded into bung connection.

§ Desiccant dryer for excluding moisture from polymer drum.

2.50 Spare Parts

All polymer diaphragm feed pumps shall have a spare parts kit which includes a
spare diaphragm, spare check valves, and spare seals. One spare set of bearings
shall be provided for all bearing housings and one spare mechanical seal for each
seal used.

2.60 Manufacturers

Neptune Polymaster (formerly Komax Polymaster) or Stranco M Series Polyblend
modified as necessary to conform to these specifications.

NeptServ1/Joan-Sandy/Polymaster/Manuals&Literature/Spec Dia 2-2-2000 jvb

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Neptune Chemical Pump Co.
P.O. Box 247
Lansdale, PA 19446

3.0 Installation

3.01 General

The polymer dilution and feeding units shall be installed in accordance with approved
procedures submitted with the shop drawings and as shown, unless otherwise
approved.

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