SCHÜTZ ECOBULK WITH IMPELLER User manual

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SCHÜTZ ECOBULK WITH IMPELLER
Operating manual
Version 1.3 | September 2018

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SCHÜTZ IBCs with stirrer
The system consists of an ECOBULK MX/SX or HX with an IMPELLER, and it has been
specially developed for filling products that require stirring or homogenisation in the
supply chain.
The one-way stirrer is available for 1,000 and 1,250 litre ECOBULK containers with DN 150 and
DN 225 openings. The IMPELLER is supplied by SCHÜTZ in the IBC and can be connected to all
standard agitator drives. The SCHÜTZ IMPELLER means that external stirrers are not required, and
after filling the container can remain securely closed throughout the stirring process until emptying.
This completely rules out any risk of contamination due to product residues or when the stirrers
are exchanged.
Contents
PRODUCT DESCRIPTION
SCHÜTZ IBCs with stirrer ......................................................................................................... 2
REQUIRED EQUIPMENT
Drive .......................................................................................................................................... 4
Steel shaft ................................................................................................................................ 5
INFORMATION FOR FILLERS
Delivery condition / Filling / Transport .................................................................................. 6
INFORMATION FOR EMPTIERS
Assembling the drive .............................................................................................................. 8
Stirring ...................................................................................................................................... 10
Discharge ................................................................................................................................. 11
Returns ..................................................................................................................................... 12
CONTENTS / PRODUCT DESCRIPTION
After emptying the entire system is collected by the
SCHÜTZ TICKET SERVICE and is reused or recycled.

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IMPELLER
z Optional additional 2" filling opening in
the bottle (S56x4 thread) with a seal cap
z Filling opening with DN 150 or DN 225
screw cap and IMPELLER
z Screw cap to fit filling opening
DN 150 or DN 225
z Seal cap
z Shaft (hollow, to take the steel shaft that fits the drive)
z Folding wings
z Outlet valve DN 50/DN 80
with optional camlock adapter
System components
ECOBULK
PRODUCT DESCRIPTION

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Drive
The SCHÜTZ IMPELLER can be attached to practically every standard transverse or
gantry-mounted agitator drive, allowing most existing drive systems to be used:
z As a rule, but depending on the product, speeds of up to 200 rev/min should be used
in a bucket agitator. If necessary, the SCHÜTZ IMPELLER can be used at speeds of up to
350 rev/min. However, this speed and a maximum torque of 100 Nm should never be excee-
ded. Please ask your drive manufacturer to provide details of the torques that can occur on the
shaft for your specific drive and ascertain whether you may need a friction or safety clutch.
z For stirring processes with flammable liquids with a flashpoint of (< = 60°C) or in EX zones the
IMPELLER must be earthed through the drive shaft and the drive. Compliance with the ATEX
and machinery directives must be ensured. Depending on the application, zone separation must
be observed. Please discuss any safety issues with the manufacturer of the drive you are using.
You can obtain all the necessary certificates from the drive manufacturer.
The drive is supplied by the user.
For the purposes of illustrating how the IMPELLER works, in this manual we have used
a transverse agitator with a drive coupling.
REQUIRED EQUIPMENT

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Steel shaft
The IMPELLER is connected to the
agitator drive with a steel shaft;
the length and adapter of this shaft
must be configured to fit the drive
that is being used:
z  The top adapter and the overall length
of the steel shaft are defined by the
specifications of the drive that is being
used. If you have any questions,
contact the manufacturer of the drive
for precise specifications.
z  The geometry of the connector at
the bottom of the shaft is defined
by SCHÜTZ. A detailed technical
drawing can be supplied on request.
z  The conductivity of the steel shaft is
essential to earth this component and
earth the IMPELLER in stirring processes
with flammable liquids with a flash-
point of (< = 60°C) or in EX zones.
Top connector
Bottom connector
REQUIRED EQUIPMENT
The manufacturer of your drive unit can produce a steel shaft for the
drive and coupling system in accordance with SCHÜTZ’s specifications.
Alternatively: tell us the required length and top geometry for the drive
and SCHÜTZ will be happy to manufacture a suitable steel shaft for you.
Where to obtain a steel shaft

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Delivery condition
SCHÜTZ supplies the IMPELLER ex-works in a ECOBULK model
MX/SX/HX:
z Depending on requirements and container configuration the IMPELLER
is packaged or unpackaged. Please refer to the assembly instructions.
Filling
The IMPELLER is delivered wrapped in foil inside the IBC!
1. Completely unscrew the screw cap. Lift the screw cap and pull the IMPELLER,
which is packaged in a plastic bag, out of the opening.
2. Fill the IBC as usual.
3. Remove the protective bag around the IMPELLER.
Please handle the IMPELLER carefully; when removing the plastic bag please avoid
contaminations (clean production environment, protective gloves should be worn,
please ensure that all surfaces are clean if placing the IMPELLER down on a surface.)
4. Re-insert the IMPELLER and close the screw cap tightly with the correct torque
and seal if necessary (DN 150: 75 Nm, DN 225: 105 Nm).
INFORMATION FOR FILLERS
filling
is removed
Through the screw cap

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INFORMATION FOR FILLERS
remains closed
filling
Transport
The filled IBCs should be filled and loaded in accordance with standard procedures.
The IMPELLER is safely protected against damage and has no influence on how the
container is transported. Provided the filling opening of the container is securely closed,
no additional safety procedures are required. This applies to both NON-UN and UN
filling products.
Filling
The IMPELLER is delivered unwrapped inside the IBC!
1. The screw cap on the opening with the installed IMPELLER is
sealed ex-works and remains unopened.
2. Remove the sealing cap of the separate 2‘‘ filling opening on the
front upper side of the IBC, unscrew the plug, remove it and fill the
IBC through this opening. Do not inadvertently open the 2"plug
in the middle of the screw cap. This plug is not used for filling;
its purpose is to close the hollow space in the shaft into which
the steel shaft is later inserted.
3. Ideally, the filling hose should be inserted so that it sits on the base
of the IBC, and the IBC should be filled from the bottom up.
4. Screw the plug back on with the right amount of torque (25 Nm)
and close with the seal cap.
Filling using the optional 2"opening

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Attaching the drive
Before using the IMPELLER the steel shaft must be attached
to the drive by pushing it into the PE shaft. The length of the
IMPELLER shaft has been designed so that it reaches the lowest
point in the inner bottle in either the ECOBULK 1,000 or 1,250
litre version. This ensures optimum stirring results and minimal
residual contents.
1. Remove the seal cap on top of the screw cap.
2. Screw off the 2" plug.
The IMPELLER may bob up.
3. Remove the seal.
4. Insert the steel shaft in the PE shaft of the IMPELLER.
Turn the steel shaft until it clicks into place and then insert it as far
as it will go. The IMPELLER is held at the lip of the steel shaft.
5. Position the drive above the steel shaft.
6. Set the outer conductor/ phase of the drive to clockwise
rotation.
7. Lift the IMPELLER with the steel shaft approx. 35 mm
and connect it to the drive.
The shaft has a top and a bottom stopper. The steel shaft
must be lifted with the IMPELLER so that the top and
bottom stopper hang freely. The screw cap is not touched
and there is no friction.
8. The IMPELLER is ready to use.
INFORMATION FOR EMPTIERS
When using the IMPELLER with an EX-IBC or in EX zones,
please ensure compliance with IEC TS 60079-32-1:2013.
zThe IBC must be earthed.
zEmployees handling the IBC must be wearing
conductive shoes/gloves to ensure that they are earthed.
Use in EX zones

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With inserted steel shaft
INFORMATION FOR EMPTIERS
Bottom end position
Stopper in the screw cap
Top end position
approx. 35 mm
During handling there is always the risk that body parts can get
caught; there is a particular risk of injury to hands and fingers by
the rotating shaft. Hair and loose items of clothing can get caught,
leading to severe injury. The safety instructions concerning work
clothes and protective clothing must be observed.
Safety instructions
Without steel shaft

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Stirring
The specific viscosity and other properties of the filling product determine the speed
and duration of the stirring process. The optimum speed for each product must be
determined by the user; alternatively, ask the maker of the drive for guidance.
The process data (speed and duration) recorded during stirring with a similar steel
stirrer can be used as a rough guideline.
General instructions:
z The drive should be switched on only when the IMPELLER is fully immersed.
z After switching on the drive, increase the speed gradually and continuously until
the required speed has been reached.
z Depending on the product, the IMPELLER will open even at low speeds of 60 to 80 rpm
after a short time due to the drive forces generated by the stirring process.
z As a rule, but depending on the product, speeds of up to 200 rev/min should be used
in a bucket agitator. If necessary, the SCHÜTZ IMPELLER can be used at speeds of up to
350 rev/min. This speed and a maximum torque of 100 Nm should not be exceeded under
any circumstances (see page 4 for further information on the drive).
z Once the stirring process has been completed the steel shaft can be removed by pulling
it out with a firm tug, and it can be used for the next application.
Stirring processes with flammable liquids with a flashpoint of
(< = 60°C) or in EX zones.
Although IBCs are not constructed to be used as mixing vessels or reaction
containers it may be necessary to homogenize the contents by stirring before filling
or emptying the IBC. As these processes are likely to cause powerful charging the
following precautions should be taken:
z Only use an EX zone compliant IBC.
z Only use an explosion-protected drive unit.
z Only use a conductive, original SCHÜTZ IMPELLER.
z Ensure that the IBC, the drive and the immersed IMPELLER are earthed.
z The rotation speed of the IMPELLER must be limited to 200 rev/min.
INFORMATION FOR EMPTIERS

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z In case of multi-phase liquids the conductivity of the continuous liquid phase has to
exceed 10.000 pS/m. NOTE: Water soluble liquid phases usually fulfil this requirement.
z Multi-phase insulating liquids with a conductivity of the continuous liquid phase less
than 10.000 pS/m must not be stirred without protective measures, such as inerting.
In compliance with the safety instructions detailed in IEC TS 60079-32-1:2013
the following liquids can be stirred:
z All single-phase liquids.
z All conductive liquids and suspensions, e.g. water-soluble coatings and water-soluble
suspensions.
z Hydrocarbon-based coatings and suspensions, if they contain at least 10 % alcohol
or if the liquid phase has sufficient conductivity is ensured in another way.
z For all other liquids and suspensions, with the exception of carbon disulphide, please
ensure that stirring takes place at least 10°C below the flashpoint or that the IBC is safely
rendered inert.
Please also read the safety instructions on the IBC.
Discharge
When discharging the filling product, care must be taken
that the container is sufficiently ventilated.
1. If the product is being discharged at the stirring point with the
IMPELLER up in the air, then there is sufficient ventilation.
2. Otherwise, the screw cap must be opened or the optionally
available 2" plug in the inner bottle must be opened to ensure
adequate ventilation.
INFORMATION FOR EMPTIERS

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09.18 | BAUCH & MÜLLER WERBEAGENTUR GMBH
Do you have further questions about the SCHÜTZ IMPELLER and how it is used?
We will be happy to help: +49 (0) 26 26/77-0!
INFORMATION FOR EMPTIERS
Returns
Empty ECOBULK containers with used IMPELLERs are collected
by the SCHÜTZ TICKET SERVICE and are reconditioned or recycled
in an environmentally-friendly process:
z Prepare empty containers for collection.
z Tightly close the IBC; the IMPELLER remains inside the IBC.
z Order the collection by the SCHÜTZ TICKET SERVICE – all details at
www.schuetz.net/ticket
z The container/s will be collected free of charge within a few days;
the collection terms and conditions apply.
SCHÜTZ GmbH & Co. KGaA · Schützstraße 12 · D-56242 Selters
Phone [phone] · Fax [phone]
[email protected] · www.schuetz.net