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Alfa Laval PHE User Manual

Alfa Laval PHE
24 pages
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Table of Contents English
3490008529 rev 2012-01 Plate Heat Exchanger
EN
EN
DE
FR
ES
PT
IT
SV
DA
FI
NL
RU
PL
NO
HU
SK
CS
SL
LV
LT
ET
EL
BG
RO
ZH
BG
Table of Contents
Description.......................................................................................... 5
Main components ................................................................................... 5
Name plate ............................................................................................. 6
Function ................................................................................................. 7
Multi-section ........................................................................................... 8
Multi-pass ............................................................................................... 9
Identification of plate side ...................................................................... 9
Installation......................................................................................... 10
Before installation ................................................................................ 10
Requirements ....................................................................................... 11
Lifting ................................................................................................... 12
Mount of stands ................................................................................... 13
Operation........................................................................................... 14
Start-up ................................................................................................ 14
Unit in operation ................................................................................... 15
Shut-down ............................................................................................ 15
Maintenance...................................................................................... 16
Cleaning - Product side ........................................................................ 16
Cleaning – Non-product side ............................................................... 18
Opening and closing ............................................................................ 19
Regasketing ......................................................................................... 23
How to contact Alfa Laval
Contact details for all countries are continually updated on our website.
Please visit www.alfalaval.com and contact your local Alfa Laval Representative.
Original instructions
© COPYRIGHT Alfa Laval Lund AB, 2012
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Alfa Laval PHE Specifications

General IconGeneral
TypePlate Heat Exchanger (PHE)
Plate MaterialStainless steel, titanium, nickel
Gasket MaterialNitrile, EPDM, Viton
Frame MaterialCarbon Steel, Stainless Steel
Operating PressureUp to 25 bar (varies by model)
Flow RateVaries by model and application
Plate Thickness0.4 mm to 0.8 mm (varies by material and model)
ConnectionsFlanged, Threaded (depending on model)

Summary

Preface and Safety

Safety Considerations

Essential safety guidelines and user responsibilities for safe operation and maintenance.

Warranty Conditions

Details on warranty terms, coverage, and procedures for claims or issues.

Operational Guidance

Information on definitions, drawings, and general advice for using the PHE.

Storage of the PHE

Indoor Storage Procedures

Guidelines for storing the Plate Heat Exchanger in an indoor environment.

Outdoor Storage Procedures

Precautions and checks required for outdoor storage of the unit.

Re-commissioning After Long Storage

Procedures to ensure proper function after the PHE has been stored for over a year.

Environmental Compliance

Unpacking Material Handling

Guidelines for recycling or disposing of packing materials.

Environmental Maintenance Practices

Procedures for recycling metal parts and handling non-metal wear parts.

Equipment Scrapping and Disposal

Regulations and methods for recycling equipment at end-of-use.

Description of Components

Main Components Overview

Identification and basic function of the primary parts of the Plate Heat Exchanger.

Name Plate Information

Understanding the Name Plate

Details found on the unit's name plate, including specifications and warnings.

Functional Principle

Heat Transfer Mechanism

Explanation of how heat is transferred between fluids within the PHE.

Configuration Options

Multi-Section Configuration

How to configure the PHE for heating and cooling stages using connection plates.

Multi-Pass Flow Configuration

Creating multi-pass sections by using turning plates for flow direction control.

Identifying Plate Sides

How to identify different plate types using markings like -1 and -2.

Installation Guide

Pre-Installation Checks

Essential checks and considerations before connecting the PHE to the system.

Installation Requirements

Requirements for a stable foundation and adequate space for installation and maintenance.

Lifting and Handling

Instructions and warnings for safely lifting the PHE using straps and a hook.

Mounting Stands

Step-by-step instructions for mounting the support stands onto the PHE.

Operation Procedures

Start-up Procedure Checklist

Steps to ensure safe and correct start-up of the Plate Heat Exchanger.

Monitoring Unit in Operation

Checks to perform during normal operation to maintain performance and safety.

Shut-down Procedures

Safe steps for shutting down the PHE, including draining and rinsing if necessary.

Maintenance Procedures

Cleaning - Product Side

Procedures for cleaning the fluid-contacting surfaces of the PHE.

Sterilisation Methods

Recommended methods for sterilising the PHE before the next production cycle.

Products Rich in Protein Cleaning

Specific cleaning routines for products with high protein content.

Low Insoluble Content Cleaning

Cleaning procedures for products like beer and wine with low insoluble components.

Non-Product Side Cleaning

Cleaning Liquids for CIP

Description of various cleaning agents used in Cleaning-In-Place (CIP) systems.

CIP Equipment Requirements

Information on selecting appropriate CIP equipment for cleaning.

Chlorine as Growth Inhibitor

Considerations for using chlorine and its effect on stainless steel.

Opening and Closing

Opening the Plate Heat Exchanger

Step-by-step guide for safely opening the PHE for maintenance or inspection.

Manual Cleaning of Opened Units

Method for cleaning deposits using water and a soft brush without removing plates.

Reassembling the PHE

Instructions for correctly reassembling the PHE after maintenance.

Post-Maintenance Procedures

Pressure Testing After Maintenance

Procedure for performing a pressure test to confirm sealing after repairs or gasket changes.

Regasketing Guide

Detailed instructions for replacing gaskets on the PHE plates.

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