SAS SAS 1E Manuale utente

SAS 1E & 2E - Electrostatic Probe Unit - APRIL 2020

SAS 1E/2E -

Electrostatic Probe Unit

INSTRUCTION MANUAL

Unit 3 Hawksworth, Didcot, OX11 7HR, England, UK

Tel: 00 44 1865 747 634 Fax: 00 44 8701 602 755

info@spiceapplications.com www.spiceapplications.com

SAS 1E & 2E - Electrostatic Probe Unit - APRIL 2020

INDEX

DESCRIPTION OF INFORMATION PAGE NUMBERS

WARNINGS OVERVIEW………………………………………………………. 2

EC DECLARATION OF CONFORMITY FOR MACHINERY………………. 3

ELECTROSTATIC INTRODUCTION…………………………………………. 4-5

PRODUCT INTRODUCTION…………………………………………………... 6

INSTALLATION…………………………………………………………………. 7-13

OPERATING PRINCIPLE……………………………………………………… 14-15

START UP…………………………………………………………………….…. 16

STATIC TEST …………………………………………………………………… 17

CLEANING………………………………………………………………………. 18

SERVICING……………………………………………………………………… 19-20

TROUBLESHOOTING…………………………………………………………. 21

SPARE PARTS…………………………………………………………………. 22-25

DIMENSIONS…………………………………………………………………… 26

TECHNICAL SPECIFICATIONS……………………………………………… 27

WARRANTY……………………………………………………………………. 28

To obtain the best performance and reliability from this equipment it is

strongly recommended to read the instruction manual thoroughly

before attempting to use the equipment.

SAS 1E & 2E - Electrostatic Probe Unit - APRIL 2020

WARNINGS OVERVIEW

All controls within the Control Box have been adjusted for optimum performance and

safety during manufacturing.

The Electrostatic Generating heads and control box is sealed for IP 65.

Re-adjustments, alterations or substitutions of any component may result in a

hazardous operating condition a failure and possible damage to the equipment as well

as overriding the built-in safety features.

Any unauthorised modification will invalidate the warranty and could endanger the work

force.

Under no circumstances are any alterations allowed to the electrostatic

equipment without specific written instructions and consent from Spice

Application Systems Ltd.

SAFETY GUIDELINES

The person in charge of the manufacturing work area should ensure that

personnel are properly trained in the use of this equipment. The safety rules

which follow should be fully understood and applied at all times.

Never point the spray unit at any person or animal.

Spraying certain products can be dangerous, depending on what is being

sprayed so full protection for operators in the form of instructions supplied with

that product must be adhered to at all times.

The normal safety rules and precautions for atomisation must be observed.

For more information, consult the local safety rules. In addition, the following

precautions must be observed.

WARNING! Failure to observe the safety precautions contained within this manual

could result in operational difficulties of the equipment and potential to create

unsafe conditions.

ALL personnel who are associated with the coating operation should

read and fully understand this manual. It is especially important that

the operators and maintenance team of the electrostatic equipment

and their supervisory personnel understand the requirements for safe

and proper usage of the electrostatic process.

SAS 1E & 2E - Electrostatic Probe Unit - APRIL 2020

EC DECLARATION OF

CONFORMITY FOR MACHINERY

The manufacturer: Spice Application Systems Ltd

Unit 3, Hawksworth

Southmead Industrial Estate,

Didcot

Oxfordshire

OX11 7HR, England, UK

Tel: 00 44 1865 747 634

Fax: 00 44 1235 818 443

Herewith declares that “the Electrostatic Food Spray Unit” is in conformity with the provisions

of:

•EU Directive 2014/34/EU –certified as Category 3D 40⁰C and manufactured in line with

Internal Control of Production as outlined in the Directive

•BS EN ISO 12100:1 –Safety of Machinery

•BS EN ISO 12100:2 –Safety of Machinery

•BS EN 60079:0 and BS EN 60079:11 –Equipment for Use in Potentially Explosive

Atmospheres

•EN 50177 –Stationary electrostatic spraying equipment for flammable coating powder

•EN 60204 IP –Type protection: contact, foreign bodies and water protection for electrical

equipment

•EC Machinery Directive 2006/42/EC

•EC Low Voltage Directive 2006/95/EC

•EC Directive of Electromagnetic Compatibility 2014/30/EU

•BS EN 61000-6-3:2001 –Electromagnetic Compatibility

•BS EN 61000-6-1:2001 –Electromagnetic Compatibility

•BS EN 50050-2:2013 –Electrostatic hand-held spraying equipment. Safety requirements.

Hand-held spraying equipment for ignitable coating powder

•Plastic Blue Acetal Copolymer EU Directive 2002/72/EC/FDA Directive 21CFR

•EC No.1935/2004

All as amended, and with national implementing legislation.

Established in Oxford on 1st October 1999.

Peter King

Managing Director

SAS 1E & 2E - Electrostatic Probe Unit - APRIL 2020

ELECTROSTATIC INTRODUCTION

What is Electrostatics

Electrostatics is an environmentally responsible way to applycoating materials, significantly

increasing the qualityof the finished product, while substantially decreasing powder/oil costs

through more effective use of materials.

How does it work?

The aim is to eliminate wasteful over spray and put as much coating material on the targetas

possible. This is achieved by negatively charging atomized powder/oil particles so that they

are attracted to the grounded work piece, opposites attract.

A charging electrode is located at the tip of the electrostatic generator head or atomizer. The

powder/oilisatomizedasitmovespasttheelectrode,itsparticlesbecomeionized-negatively

charged. An electrostatic field is created between the charging electrode and the grounded

work piece, the spray is concentrated within it.

The product to be coated (chips, tablets, etc.) is Grounded from contact within the rotating

drum/wire belt flat chamber. When the coating material is released, it is attracted to the

Grounded product. Due to the electrostatic attraction, coating material that would normally

be lost ends up on the back and sides of the target product to produce a “wrap-around”

effect.

SAS 1E & 2E - Electrostatic Probe Unit - APRIL 2020

ELECTROSTATIC INTRODUCTION

When to use electrostatics!

When you want to achieve maximum transfer efficiency and minimize coating waste and

dusting/misting emissions, while achieving maximum application wrap around effect, high

production and high flow rates.

The advantages!

Up to 98% coating of all products, with greatly improved coating over traditional

methods, less powder usage, cut down of dusting, cleaner working area and cleaner

drum, all resulting in less line contamination.

Increased transferefficiency and reduced over spray, which results in significant cost savings

andreduceddusting/mistingemissions.Webuild our systemwithsafetyinmind,withflexible,

lightweight low voltage cable going to the generating spray head.

Typical Electrostatic Applications

•Pharmaceuticals: coating tablets granule formation

•Horticulture: powder onto seeds

•Agriculture: powder/liquids on potato or cattle feed

•Meat: fresh poultry and processed meats-powder & liquid flavouring

•Fish: oils & powder

•Breakfast Cereals: vitamins & flavouring in powder/liquid form

•Snacks, crisps, nuts, extruded and pasta pellets: powder & liquid spices

•Confectionery: powder onto mints, chewing gum, etc.

•Pet food: powder & liquid enhancers onto kibbles, biscuits & chew bars

•Dairy: starch onto cheese

•Bakery: oil & powder coating onto cakes, burger buns, etc.

SAS 1E & 2E - Electrostatic Probe Unit - APRIL 2020

PRODUCT INTRODUCTION

SAS Electrostatic Probe Model Type: SAS 1E & 2E

This model is designed to create an electrostatic charge on particles which can cause

misting or dusting in the environment.

The SAS Electrostatic Probe unit uses the principal of applying an electrostatic charge

to the airborne before escaping the coating drum. The particles once charged become

negatively charged and are attracted to the nearest grounded object, this typically being

the internal surface of the metal coating drum and the product being coated.

Fig 1

SAS 1E –Electrostatic Probe Unit overview

Pos.

Description

Assembly

Number

Manual Reference

Generator Head - Powder

GH 200-161

See page 23 - Fig 10

Support bars for Generator Head

GH 200-324

See page 25 - Fig 12

Electrostatic Controller

CU 200-124

See page 22 - Fig 9

Frame Mounting Bars

GH 200-320

See page 25 - Fig 13

Note ! An SAS 2E Assembly contains one common Electrostatic controller

(see Page 10, Fig 3)

SAS 1E & 2E - Electrostatic Probe Unit - APRIL 2020

INSTALLATION

1. The Electrostatic control unit must be located outside the flavouring drum in a Non-

Hazardous area at a location which allows the operators to observe the material

atomisation in front of the tumbling product.

2. To obtain the maximum electrostatic efficiency the electrode needle on the

electrostatic generating head should be positioned towards the centre of the drum in

facing the tumbling product and powder cloud. (see page 14 - Fig 7)

3. The appropriate distance between the generating head and the product to be coated

should be between 20 to 45 cm (8" to 18")

4. Be sure that the distance between the electrode needle on the generating head and

any surrounding metal objects (including any application equipment and the Drum)

is at least 15cm (6”) or greater.

5. Never use damaged hoses, cables or connections.

6. All compressed air connections must be fitted with a local isolator and pressure

regulator, plus fitted with a suitable Filter to ensure a Clean and Dry air supply to the

SAS equipment.

7. Remove all unnecessary metal components and materials from the application

area.

8. Keep the application area clean.

9. The Electrical mains supply must be fitted with an earth wired to the factory mains

earthing system.

10.If the application requires the remote trigger to facilitate the unit to switch on and off

with an existing production line, please refer to page 12 –Fig 6 on the manual.

If not using, make sure the dust caps are fitted and locked into place on the

underside of the SAS Controller. (see page 12 - Fig 5)

11.Ensure all Earthing cables are connected and all other equipment in the application

area is Grounded, including all mobile frames, within 3m (10ft) of the application

area.

SAS 1E & 2E - Electrostatic Probe Unit - APRIL 2020

INSTALLATION

12. The drum must be earthed in 2 places with the earthing contacts rubbing against

the wall of the drum. The outgoing and incoming vibratory conveyors to and from

the drum must always be earthed and all metal within 3mtrs of the drum.

13.All ground connections must be regularly checked and confirmed using a megohm

meter for a resistance of 1 megohm or less from the structure to a positive ground.

(i.e. floor bolt or building steelwork)

14.Any floor coating in the application area must be electrically conductive and

grounded. Do not attempt to by-pass or defeat the ground connections as this may

result in a hazardous condition.

15.Only personnel Trained and Qualified in the operation and service of Electrostatic

equipment are permitted to work upon the Application equipment and installation.

16.Any Personnel working within the application area, must wearing conductive

footwear. If personnel are required to wear gloves, these must also be conductive.

17.Ensure any Warning signs provided are prominently posted around the application

area so all personnel can read and adhere to the safety instructions.

18.For all Interconnection details of the equipment, please refer to page 9 - Fig 2 or

page 10 - Fig 3 for your appropriate application.

SAS 1E & 2E - Electrostatic Probe Unit - APRIL 2020

Fig 2

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