Industrial Separation Systems VGS Bedienungsanleitung

VGS

VGSVGS

VGS

Oily Water Separator

Version: OWS-JUL.08

VGS Oily Water Separator Technical Manual

Version: OWS-July 2008 30 July 2008 Page 2

Vertical Gravity Separators

are proudly manufactured in Australia by:

Industrial Separation Systems

ACN: 105 667 374

Unit 10-141 Taren Point Road,

TAREN POINT, NSW 2229 Australia.

Phone: +61 2 9524 6654

Facsimile: +61 2 9524 6685

Email: sales@issproject.com.au

Web Site: www.issproject.com.au

VGS Oily Water Separator Technical Manual

Version: OWS-July 2008 30 July 2008 Page 3

This Technical Manual has been produced to aid designers, engineers, plumbers and

regulatory authorities in the identification, selection, installation & maintenance of the Vertical

Gravity Separator (VGS)

Contents

Introduction

Product overview ............................................................................ 4

Features & Benefits ........................................................................ 4

Approvals........................................................................................ 5

The Technology

Principle of Operation ..................................................................... 6

VGS Options

Flow Rates...................................................................................... 7

Material ........................................................................................... 7

Mounting ......................................................................................... 7

Oil Level Control ............................................................................. 7

Pumps............................................................................................. 7

Electric Motor.................................................................................. 7

Control Panels ................................................................................ 7

Pump Types for VGS Systems....................................................... 8

VSG Specifications......................................................................... 9

VGS Coding.................................................................................... 10

Compliance Plate Details ............................................................... 11

Dimensions - Free Standing, Polyethylene .................................... 12

- Stand Mounted, Polyethylene ................................... 13

- Free Standing, 304 Stainless Steel........................... 14

Installation

Location .......................................................................................... 15

Assembly ........................................................................................ 15

Pipe Connections ........................................................................... 16

Sewer Connections ........................................................................ 17

Electrical Connections .................................................................... 17

Typical Installation Schematic ........................................................ 18

Commissioning

Pre-Set Oil Level Models................................................................ 19

Adjustable Oil Level Models ........................................................... 19

Maintenance ............................................................................... 20

Maintenance Schedule ................................................................... 21

Trouble Shooting ..................................................................... 22

Warranty .........................................................................23

Apendix A.......................................................................24

Apendix .......................................................................25

VGS Oily Water Separator Technical Manual

Version: OWS-July 2008 30 July 2008 Page 4

Introduction

Product Overview

The Vertical Gravity Separator (VGS)is an oil/water separator developed to

effectively remove free oil, grease and low density suspended solids from

wastewater.

The VGS operates by ingenious control of both fluid

velocity and pressure. These forces gently coax non-

emulsified impurities from water by allowing high density

contaminants to fall into a sludge retaining area at the

bottom of the vessel, and oil droplets and low density

suspended solids to rise to the top of the vessel. The oil

and suspended solids then drain off into a waste tank for

disposal.

Acclaimed by major water authorities around the world

as "the best technology of its kind", the VGS can be

used as a stand-alone separator or to supplement the

performance of existing systems.

Because it stays clean it maintains its performance!

Features & Benefits

Performance

Due to its ingenious design the VGS is capable of

continually meeting the performance standards set by

the Sydney Water Corporation, and other regulatory

authorities, in respect to Petroleum Hydrocarbons, Total

Oil & Grease, Suspended Solids and Flammability.

Suspended Solids

Low density suspended solids are encapsulated by the oil and progress to the top of

the VGS for discharge to the waste tank. Heavy solids settle to the base of the unit

and are removed from the system by the way of a control valve.

Flammability

The turbulent flow principle of the VGS ensures the vapour content of the wastewater

being treated is reduced to safe levels.

Construction

By utilizing a vertical cylinder design the VGS requires far less floor space compared

to a coalescing plate separator.

Maintenance

Unique design features enable quick, on-line cleaning of the unit; a feature only

found on the VGS. There is no need to remove the oleophilic cones and use high

pressure jets or chemicals to clean the VGS, as is the case with conventional

separators.

VGS Oily Water Separator Technical Manual

Version: OWS-July 2008 30 July 2008 Page 5

Approvals

Since its invention in 1992 the VGS has progressively gained approval from water

treatment authorities, local councils & other government bodies throughout Australia.

Approvals include:

Authority State

Sydney Water Corporation NSW

Dept. Land & Water Conservation NSW

Hunter Water Corporation Limited NSW

A.C.T.E.W. Australian Capital Territory ACT

South Australian Water Corporation SA

Western Australian Water P.T.L WA

Brisbane City Council QLD

Townsville City Council QLD

Ipswich City Council QLD

Power & Water Authority NT

VGS Oily Water Separator Technical Manual

Version: OWS-July 2008 30 July 2008 Page 6

The Technology

Principle of Operation

The Vertical Gravity Separator (VGS) is a flooded system in which the inlet and outlet

columns form a U - tube configuration. The free oil and low density suspended solids

are trapped on one side of the main body and the treated water flows out the other

side.

The main body of the unit contains

a continuous truncated conical

spiral pack (SPAK) which is

manufactured from an oleophilic

material. Oily water is delivered into

the bottom of the main body where

it then flows upwards through the

centre of the SPAK assembly.

At the top of the main body free oil

and low density suspended solids

are held and eventually they flow

out of the system into a waste tank.

The partially cleaned water is

directed to the outside perimeter of

the conical SPAK. It then follows a

tortuous path cascading down and

around the SPAK.

Here the lower density fluid (oil) is

drawn up the incline of the

oleophilic surface of the SPAK and

back into the low pressure centre of

the VGS, where it co-mingles with

the incoming fluid and is redirected

to the top of the main body.

A convection current is thus

created within the SPAK by the

density variation down the fluid

column and the upward flow of the

incoming oily water.

The ‘treated’ water will enter the

output leg, at a point when the fluid

is most free of contaminants, and

flow up and out of the system.

Heavy solids and sludge are removed from the system via a sludge valve at the base

of the main body.

Fig. 1 - VGS Schematic Diagram

VGS Oily Water Separator Technical Manual

Version: OWS-July 2008 30 July 2008 Page 7

VGS Options

The modular design of the VGS allows for a variety of different options to be ordered

depending on the specific site requirements.

Flow Rates

The range of VGS’s covers flow rates from 1000 L/h up to 3000 L/h. Flow rates

above this can be achieved by installing multiple units.

Please contact ISS or your local distributor for further assistance.

Material

The main body and the rotating lid of the VGS is manufactured from either:

•6 mm High Density Polyethylene which has been roto-moulded using the

latest production techniques.

•1.6 mm 304 grade Stainless Steel, which is designed for installation in the

most harsh environments.

Mounting

Where the amount of sludge within the waste water being treated is minimal, a flat

bottom/free standing VGS is available. (1000 and 1500 L/h models only)

Standard VGS units have an extended cone shape bottom for sludge retention. A

three post stand is supplied with the VGS

Oil Level Control

Two types of oil level control are available:

•Pre-Set Level of oil held within the VGS is pre-set in the factory.

•Adjustable Level of oil held within the VGS is adjustable on site.

Pumps

The “Pump Types for VGS Systems” table on page 8 lists the different types of

pumps that can be utilised within a VGS system.

Electric Motor

Either single phase 240 V or three phase 415 V, standard or flameproof, motors are

available depending on the application.

Control Panels

Built to specification, depending on the application.

VGS Oily Water Separator Technical Manual

Version: OWS-July 2008 30 July 2008 Page 8

Pump Types for VGS Systems

VGS Details Pump Details

Model Flow

Rate Type Brand Model Speed kW

V10P0FP 700 L/h Positive Displacement Mono CP11RJ 1450 rpm 0.18

V10P0FD 1000 L/h Diaphragm ASM DS25 30 spm 0.25

V15P3FP 1600 L/h Positive Displacement Mono CP25RJ 1450 rpm 0.37

V15P0FD

V15P3FD

V15P3AD

1500 L/h Diaphragm ASM DS25 42 spm 0.37

V20P3AD 2000 L/h Diaphragm ASM DS32 48 spm 0.37

V30P3AP 2700 L/h Positive Displacement Mono CP800RJ 960 rpm 0.55

V30P3AD

V30S0FD

3000 L/h Diaphragm ASM DS38 36 spm 0.55

•Minimum size pump well before VGS

Sydney Water require that the pump well is to have a working volume of at least 500

litres, ie the volume held by the well between the high level (ON) switch and the low

level (OFF) switch level.

•Specifications for progressive cavity Mono CP range pumps

Rotor: 316 Stainless steel, Hard Chrome Plated (HCP)

Stator: NB70HND Accelerated nitrile (RJ)

VGS Oily Water Separator Technical Manual

Version: OWS-July 2008 30 July 2008 Page 9

VGS Specifications

Model Details

V – VGS

10 – 1000 L/h

15 – 1500 L/h

20 – 2000 L/h

30 – 3000 L/h

P – H.D Polyethylene

S - Stainless steel

F - Fixed Adjuster

A – Adjuster

P- Positive

displacement

D- Diaphragm

Weight

External Pipe

& Fittings

Polypropylene &

UPV lass 12

Polypropylene &

UPV lass 12

Polypropylene &

UPV lass 12

Polypropylene &

UPV lass 12

Polypropylene &

UPV lass 12

Polypropylene &

UPV lass 12

Polypropylene &

UPV lass 12

Valves

Backwash - 50mm Poly.

Sludge - 25mm Brass

Backwash - 50mm Poly.

Sludge - 25mm Brass

Backwash - 50mm Poly.

Sludge - 50mm Brass

Backwash - 50mm Poly.

Sludge - 50mm Brass

Backwash - 50mm Poly.

Sludge - 50mm Brass

Backwash - 50mm Poly.

Sludge - 50mm Brass

Backwash - 50mm Poly.

Sludge - 50mm Brass

Base

(Free

Standing)

(Free

Standing)

Galvanised

Stand

Galvanised

Stand

Galvanised

Stand

Galvanised

Stand

(Free

Standing)

SPAK

Polyethylene

Lid

(Thickness/Type)

Polyethylene

(6mm/H.D.)

Polyethylene

(6mm/H.D.)

Polyethylene

(6mm/H.D.)

Polyethylene

(6mm/H.D.)

Polyethylene

(6mm/H.D.)

Polyethylene

(6mm/H.D.)

Polyethylene

(6mm/H.D.)

Material

Tank

(Thickness/Type)

Polyethylene

(6mm/H.D.)

Polyethylene

(6mm/H.D.)

Polyethylene

(6mm/H.D.)

Polyethylene

(6mm/H.D.)

Polyethylene

(6mm/H.D.)

Polyethylene

(6mm/H.D.)

Stainless Steel

(1.6mm/304)

Flow

Rate

L/h

1000

1500

2000

3000

Model

V10P0F

V15P0F

V15P3F

V15P3A

V20P3A

V30P3A

V30S0F

VGS Oily Water Separator Technical Manual

Version: OWS-July 2008 30 July 2008 Page 10

VGS Coding

Features Details Basic Coding Optional Extras

Separator Vertical Gravity Separator V

1000 L/h 10

1500 L/h 15

2000 L/h 20

Nominal flow rate

3000 L/h 30

Polyethylene - High Density P

Material 304 Stainless Steel S

Free Standing (1000 & 1500 L/h flow only) 0

3 Post Galvanised Stand 3

Mounting

Adjustable A

Oil level control Fixed Pre-Set F

Progressive Cavity P

Pump Diaphragm Pump D

Standard 240 volt 1

Standard 415 volt 3

Electric Motor

Flameproof 415 volt - AS2380-1 & AS2380-2 4

Polyethylene 240/24 VAC Starter w/-

- Manual/Off/Auto

- Pump & float terminals.

Polyethylene 415/24 VAC Starter w/-

- Manual/Off/Auto

- Pump & float terminals.

Metal 240/24 VAC Starter w/-

- Manual/Off/Auto

- Pump running light

- Pump & float terminals

Metal 415/24 VAC Starter w/-

- Manual/Off/Auto

- Pump running light

- Pump & float terminals

Control Panel

Metal 415/24 VAC INTRINSICALLY SAFE Starter

- Manual/Off/Auto

- Pump running light

- Pump & float terminals

Control panel option High level visual/audible alarm & mute button 1

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