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Alfa Laval AQ Series User Manual

Alfa Laval AQ Series
46 pages
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Gasketed plate heat exchangers
AQ line - AQ4L, AQ6, AQ6L, AQ6T, AQ8, AQ8S, AQ10, AQ10T
Lit. Code 200000547-4-EN-GB
Instruction Manual
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Alfa Laval AQ Series Specifications

General IconGeneral
BrandAlfa Laval
ModelAQ Series
CategoryIndustrial Equipment
LanguageEnglish

Summary

Preface

Conditions and Requirements

Details on operational requirements, prior knowledge, PHE drawings, warranty conditions, and advice.

Environmental compliance

Information on unpacking, maintenance, and scrapping procedures with environmental considerations.

Safety

Safety considerations

Guidelines for safe operation, maintenance, and potential consequences of incorrect handling.

Definitions of expressions

Defines warning, caution, and note symbols used in the manual for hazard communication.

Description

Components

Details the main components of the heat exchanger, including frame plate, carrying bar, plate pack, etc.

Name plate

Explains the information found on the heat exchanger's name plate, including type, serial number, and operating limits.

Function

Describes how the heat exchanger works, including heat transfer through plates and fluid direction.

Multi-pass

Explains multi-pass configurations and their purpose in changing fluid flow direction.

Identification of plate side

Details how to identify the A side and asymmetric patterns of the plates for gasket placement.

Installation

Before installation

Precautions and checks to perform before installing the heat exchanger, including piping and foundation.

Requirements

Details space, foundation, elbow, shut-off valve, and connection requirements for proper installation.

Lifting

Provides instructions and safety precautions for lifting the heat exchanger using approved equipment.

Raising

Step-by-step guide for raising the heat exchanger from its packaging, emphasizing safe strap usage.

Operation

Start-up

Detailed steps and precautions for starting up the heat exchanger, including checks and valve operations.

Unit in operation

Guidelines for operating the heat exchanger, monitoring temperatures and pressures, and safety during operation.

Shut-down

Procedure for safely shutting down the heat exchanger, including draining and potential rinsing.

Maintenance

Cleaning – Non-product side

Explains CIP equipment for cleaning, including purposes and necessary protective measures.

Opening

Instructions for opening the heat exchanger for manual cleaning, including safety precautions and bolt identification.

Manual cleaning of opened units

Guidance on manual cleaning of opened heat exchanger units, including precautions and chemical use.

Closing

Instructions for properly closing the heat exchanger after maintenance, including gasket and bolt procedures.

Closing - TL15

Specific instructions for closing the TL15 model of the heat exchanger, focusing on sealing surfaces and bolts.

Pressure test after maintenance

Procedures and safety recommendations for performing hydrostatic leakage tests after maintenance.

Regasketing

General procedures and considerations for replacing gaskets on heat exchanger plates.

Storage of the heat exchanger

Storage in packing box

Instructions for storing the heat exchanger in its packing box, including environmental conditions and precautions.

Indoor storage

Specific recommendations for indoor storage conditions, temperature, humidity, and avoiding damaging agents.

Outdoor storage

Precautions for storing the heat exchanger outdoors, including visual checks and packing restoration.

Taken out of service

Procedures for taking the heat exchanger out of service, including draining, covering, and preparing for long-term storage.

Start-up after long-term out of service

Steps for re-starting a heat exchanger after extended periods of inactivity, focusing on gasket relaxation.

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