Alfa Laval PHE Manual
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Alfa Laval PHE Manual

Alfa Laval PHE Manual

Plate heat exchanger
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Original instructions
© COPYRIGHT Alfa Laval Lund AB, 2012
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.
3490008529 rev 2012-01
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
Plate Heat Exchanger
English
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
EN

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Summary of Contents for Alfa Laval PHE

  • Page 1: Table Of Contents

    Original instructions © COPYRIGHT Alfa Laval Lund AB, 2012 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. Plate Heat Exchanger 3490008529 rev 2012-01...
  • Page 2 • Selection of gasket material if operating tempera- which, if not avoided, could result in death or serious tures and pressures are permanently changed, or injury. if another medium is to be processed in the PHE. Caution! Type of hazard CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
  • Page 3 Taken out of service Alfa Laval and its representatives reserve the right to If the PHE is closed down and taken out of service for inspect the storage space and /or equipment whenever for a longer period of time, for any reason, follow the...
  • Page 4 English Preface Environmental compliance Alfa Laval endeavours to perform its own operations as cleanly and efficiently as possible, and to take en- vironmental aspects into consideration when devel- oping, designing, manufacturing, servicing and marketing its products. Unpacking Packing material consists of wood, plastics, card- board boxes and in some cases metal straps.

  • Page 5: Description

    Port holes through the frame plate allows the media to enter into or exit from the plate heat exchanger. Port holes and The PHE can be equipped with different connections types, such as flanged. For details refer to PHE connections drawings.

  • Page 6: Name Plate

    English Description Name plate On the name plate the type of unit, manufacturing 1. Space for logotype. 2. Open space. number and manufacturing year can be found. Pres- 3. Web site for service. sure vessel details in accordance with the applicable 4.

  • Page 7: Function

    Description English Function The Plate Heat Exchanger (PHE) consists of a pack The plate pack is assembled between a frame plate of corrugated metal plates with port holes for input and a pressure plate and compressed by tightening and output for the two separate fluids. The heat bolts.

  • Page 8: Multi-Section

    English Description Multi-section A multi-section PHE can be set up by using connec- Each the connection plates can be configured by se- tion plates. An example of multi-section configuration lecting different kind of corner connections such as can be if a media need to be heated in one stage and double or single corners, passthrough or blinds.

  • Page 9: Multi-Pass

    Description English Multi-pass Multi-pass sections can be created by using turning plate need to be added in the package to prevent me- plates, with 1, 2 or 3 unholed ports. The main pur- dia to get in contact with the partition or pressure pose is to change the flow direction of one or both flu- plate.

  • Page 10: Installation

    • Before connecting any piping, make sure all for- eign objects have been flushed out of the piping • Make sure that no air remains within the PHE. system that should be connected to the PHE. • Safety valves shall be installed according to cur- •...

  • Page 11: Requirements

    Pipe connection Elbow Avoid excessive force on pipe connections. To make it easier to disconnect the PHE, an elbow should be fitted to the connection in the pressure Caution! plate, directed upwards or sideways, and with anoth- Turning of the connections will damage the gaskets on er flange located just outside the contour of the Plate the end plate and cause leakage.

  • Page 12: Lifting

    English Installation Lifting Lifting hook Center of gravity Straps should be used when lifting the PHE. Place straps according to picture. Warning! Never lift by the connections or the studs around them. Centre of gravity Centre of gravity is marked on the sides of the case.

  • Page 13: Mount Of Stands

    Installation English Mount of stands Some models of PHE are delivered without the stands mounted. Follow the instruction below. At delivery cover plates are attached on the frame plate and supporting column at the same positions where the stands shall be mounted.

  • Page 14: Operation

    Open the valve slowly. possible. Do not run pumps temporarily empty on the suction Note! Avoid rapid temperature changes in the PHE. With side. media temperatures over 100 °C, slowly increase the temperature preferably at least for one hour. Note!

  • Page 15: Unit In Operation

    PHE-drawing and identification plate. Shut-down If the PHE is shut down for several days or Note! longer, it should be drained. Draining If several pumps are included in the system, make sure should also be done if the process is shut you know which one should be stopped first.

  • Page 16: Maintenance

    Recommended limits for cleaning solutions Note! After the first test run with product, the PHE should be cleaned following a cleaning program applicable to the • 5 % by volume AlfaCaus at max. 70 °C.
  • Page 17 Products rich in protein erilization (see paragraph D10.3). Information plate Coolers Pasteurizers and will then state that the PHE “is” designed for steam other heaters sterilization. Daily Weekly Daily Rinsing 5 min.

  • Page 18: Cleaning - Non-Product Side

    English Maintenance Cleaning – Non-product side The Cleaning-In-Place (CIP) equipment permits Cleaning liquids cleaning of the PHE without opening it. The purpose Liquids Description of cleaning with CIP are as follows: AlfaCaus A strong alkaline liquid, for removing paint, • Cleaning of fouling and descaling of lime deposits fat, oil and biological deposits.

  • Page 19: Opening And Closing

    Shut down the PHE. Close the valves and isolate the PHE from the rest of the system. Warning! If the PHE is hot, wait until it has cooled down to about 40 °C (104 °F). Measure and note down the dimension A. Warning!
  • Page 20 English Maintenance bolt) across the width and 25 mm (5 turns If plates are to be numbered, do this before per bolt) vertically removing the plates. Plates need not to be removed if cleaning is Loosen the four bolts evenly in the num- done using only water, i.e.
  • Page 21 Be careful not to damage the gasket during manual ing agents. cleaning. Deposits removable with water and brush Plates do not need to be removed from the PHE dur- ing cleaning. Warning! Corrosive cleaning liquids. Can cause Warning! serious injuries to skin and eye! If necessary use proper protective equipment.
  • Page 22 Tightening the four bolts evenly in the num- bered order, 1-2-3-4. Continue alternately until dimension A has been reached. Connect pipes. If the PHE does not seal when the measure A has been reached, it can be tightened further to A minus 0.5 %. Plate Heat Exchanger...

  • Page 23: Regasketing

    PHE. At this test, one media side at a time must be tested with the other side open to the ambi- The recommended test time is 10 minutes for each ent pressure.
  • Page 24 English Maintenance Plate Heat Exchanger 3490008529 rev 2012-01...

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