Alfa Laval IM 15 Instruction Manual
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Alfa Laval IM 15 Instruction Manual

Alfa Laval IM 15 Instruction Manual

Rotary jet mixer
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Instruction Manual
Alfa Laval IM 15 Rotary Jet Mixer
Covering:
Standard machines
Machines delivered with ATEX/IECEx Certification in accordance with Directive 2014/34/EU
ESE02184-EN10
Original manual
2022-11

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Summary of Contents for Alfa Laval IM 15

  • Page 1 Instruction Manual Alfa Laval IM 15 Rotary Jet Mixer Covering: Standard machines Machines delivered with ATEX/IECEx Certification in accordance with Directive 2014/34/EU ESE02184-EN10 2022-11 Original manual...

  • Page 3: Table Of Contents

    9.2. Available add-ons ................. 10. Parts lists and drawings, service kits and tools .......... 10.1. Parts drawing and list of parts - IM 15 with 2 nozzles ........10.2. Parts drawing and list of parts - IM 15 with 4 nozzles ........
  • Page 4 The information herein is correct at the time of issue but may be subject to change without prior notice 11. General information ................. 11.1. Service & repair ................... 11.2. How to order spare parts ................ 11.3. How to contact Alfa Laval Kolding A/S ............

  • Page 5: Declarations Of Conformity

    EU Declaration Declaration Declaration of of of Conformity Conformity Conformity The Designated Company Alfa Laval Kolding A/S, Albuen 31, DK-6000 Kolding, Denmark, +45 79 32 22 00 Company name, address and phone number Hereby declare that Rotary Jet Mixer Designation IM15...
  • Page 6 UK Declaration Declaration of of of Conformity Conformity Declaration Conformity The Designated Company Alfa Laval Kolding A/S, Albuen 31, DK-6000 Kolding, Denmark, +45 79 32 22 00 Company name, address and phone number Hereby declare that Rotary Jet Mixer Designation IM15...

  • Page 7: Safety

    2 Safety Unsafe practices and other important information are emphasized in this manual. Warnings are emphasized by means of special signs. Always Always read Always read read the the manual manual before manual before before using using using the the mixer! mixer! mixer! 2.1 Important information...

  • Page 8: Introduction

    3.1 Introduction This manual has been prepared as a guide for the persons who will be operating and maintaining your Alfa Laval IM 15 Rotary Jet Mixer. The key to long life for your mixer will always be a system of carefully planned maintenance procedures;...

  • Page 9: Patents And Trademarks

    Alfa Laval Kolding A/S. All rights reserved. Alfa Laval IM 15 Rotary Jet Mixer product has patents in the EPO member states and in other countries. The Alfa Laval logotype is a trademark or a registered trademark of Alfa Laval Corporate AB. Other products or company names mentioned herein may be the trademarks of their respective owners.

  • Page 10: Atex/Iecex Marking

    Rotary Jet Mixer IM 15 3.5 ATEX/IECEx marking The Alfa Laval IM 15 Rotary Jet Mixer is certified as category I component. The ATEX certification is carried out by the Notified Body SGS Fimko Oy, who has issued the certificate no. Baseefa10ATEX0188X.

  • Page 11: Atex/Iecex Temperature Class And Code

    3 Introduction Rotary Jet Mixer IM 15 3.6 ATEX/IECEx temperature class and code The maximum surface temperature depends mainly on operating conditions which are the temperature of the cleaning/mixing fluid and the ambient temperature. Group oup II II II EPL...

  • Page 13: Installation

    4.1 General description The Alfa Laval IM 15 Rotary Jet Mixer is a media driven and media lubricated tank/reactor mixer. All materials are selected for contact with food, and the machine is self-cleaning i.e. all internal and external surfaces are cleaned.

  • Page 14: Functioning

    4.2 Functioning The Alfa Laval IM 15 Rotary Jet Mixer is placed inside the tank/reactor under the liquid surface of the liquid volume to be mixed. The mixer is combined with an external recirculation loop. The fluid of the tank/reactor is recirculated through this loop and reintroduced in the tank/reactor through the Alfa Laval IM 15 Rotary Jet Mixer.
  • Page 15 This feature eliminates "dead volumes" in the tank, and makes the Alfa Laval IM 15 Rotary Jet Mixer a very efficient automatic tank cleaning machine, when the tank is empty.

  • Page 16: General Safety And Installation Instructions

    4.3 General safety and installation instructions The Alfa Laval IM 15 Rotary Jet Mixer should be installed in vertical position (upright or upside down). It is recommended to install a filter in the supply line in order to avoid large particles to clog inside the machine. Before connecting the mixer into the system, all supply lines and valves should be flushed to remove foreign matter.
  • Page 17 4 Installation Rotary Jet Mixer IM 15 W W W ith ith ith 2 2 2 Nozzles: Nozzles: Nozzles: 1. Clamp machine firmly in a vice: Place machine on top of vice with Hub w. nozzles down wards as illustrated on the figure.

  • Page 18: Specific Conditions For Safe Use In Accordance With Atex/Iecex Certification

    4 Installation Rotary Jet Mixer IM 15 4.4 Specific conditions for safe use in accordance with ATEX/IECEx certification Directive ective 2014/34/EU ective 2014/34/EU 2014/34/EU NOTE NOTE NOTE Explosion protection type is constructional safety “c”. W W W ar ar arning:...
  • Page 19 4 Installation Rotary Jet Mixer IM 15 4.4 Specific conditions for safe use in accordance with ATEX/IECEx certification W W W ar ar arning: ning: Max. permitted permitted steaming steaming temperatur temperatur e e e ning: Max. Max. permitted steaming temperatur The maximum permitted steam temperature trough the machine and ambient temperature is 140°C.
  • Page 20 4 Installation Rotary Jet Mixer IM 15 4.4 Specific conditions for safe use in accordance with ATEX/IECEx certification W W W ar ar arning: ning: ning: Pr Pr Process ocess generated ocess generated electr generated electr electr ostatic ostatic ostatic The user must address the electrostatic hazards generated from the process of the equipment in accordance with guidance document IEC/TS 60079-32-1:2013.
  • Page 21 4 Installation Rotary Jet Mixer IM 15 4.4 Specific conditions for safe use in accordance with ATEX/IECEx certification W W W ar ar arning: ning: Fluid pr pr pressur essure e e ning: Fluid Fluid essur The maximum permitted cleaning/mixing fluid pressure is 12 bar.

  • Page 22: Operation

    After After cleaning After use flush the mixer with fresh water. Fluids should never be allowed to dry or set-up in the Alfa Laval IM 15 Rotary Jet Mixer system due to possible "salting out" or "scaling" of the ingredient.

  • Page 23: Safety Precautions

    5.2 Safety precautions The machine is intended for use inside a tank only. As peak velocity of main jets reaches 40 m/s, Alfa Laval IM 15 Rotary Jet Mixer must not be operated in open air or when tank is open.

  • Page 24: Maintenance

    6.1 Preventive maintenance In order to keep your Alfa Laval IM 15 Rotary Jet Mixer servicing you as an efficient tool in your mixing operations, it is essential to maintain its high performance by following a simple preventive maintenance programme, which will always keep your mixer in good condition.

  • Page 25: Service And Repair Of Atex/Iecex Certified Machines

    Changes to the machine are not allowed without approval by the person responsible for the ATEX/IECEx certification at Alfa Laval. If changes are made – or spare parts other than Alfa Laval original spare parts are used - the EC Type Examination certification (the ATEX/IECEx Directive) is no longer valid.

  • Page 26: Top Assembly

    6 Maintenance Rotary Jet Mixer IM 15 6.3 Top assembly Disassembly Disassembly Disassembly 1. Remove 3/16" screws (17). Loosen and unscrew with a socket wrench (tool no. 462A). 2. Lift off top cone (1). 3. Remove guide/guide ring (2). The guide has a groove in the outer diameter. The guide is easily lifted out of the stem by means of two ordinary screwdrivers inserted into the groove.
  • Page 27 6 Maintenance Rotary Jet Mixer IM 15...

  • Page 28: Bottom Assembly

    6 Maintenance Rotary Jet Mixer IM 15 6.4 Bottom assembly Disassembly Disassembly Disassembly 1. Turn machine upside down. 2. Remove 3/16" screws (31) from bottom cover (30). 3. Remove bottom cover (30) and gasket (32). 4. Remove 3/16" screws (15) in bearing cover (14). Carefully push out turbine shaft (6) from opposite end. Do not try to hammer out turbine shaft, since this can damage slide bearing.
  • Page 29 6 Maintenance Rotary Jet Mixer IM 15 Bottom Assembly Assembly Bottom Bottom Assembly...

  • Page 30: Hub Subassembly

    6 Maintenance Rotary Jet Mixer IM 15 6.5 Hub subassembly Disassembly Disassembly Disassembly 1. Remove nozzles (20). Nozzles are untightened with a wrench on the faces of the nozzles. 2. Remove 3/16" screws (31), hub cover (19), and gasket (25).
  • Page 31 6 Maintenance Rotary Jet Mixer IM 15 Hub Subassembly Subassembly Subassembly...

  • Page 32: Stem Subassembly

    6 Maintenance Rotary Jet Mixer IM 15 6.6 Stem subassembly Disassembly Disassembly Disassembly 1. Place machine in upside-down position. 2. Remove 3/16" screws (15) in gear wheel (7). To prevent rotation of stem (3) mount two 3/16" screws in two holes opposite one another in BIG end of stem.
  • Page 33 6 Maintenance Rotary Jet Mixer IM 15 Stem Stem Subassembly Stem Subassembly Subassembly...

  • Page 34: Gear Subassembly

    6 Maintenance Rotary Jet Mixer IM 15 6.7 Gear subassembly Disassembly Disassembly Disassembly 1. To make a backstop, remount turbine shaft (6) with slide bearing (28) into gear frame (29). Mount bearing cover (14) with 3/16" screws (15). 2. Hold turbine shaft (6) against 1 stage worm wheel (33) with one hand and loosen 3/16"...
  • Page 35 6 Maintenance Rotary Jet Mixer IM 15 Gear Gear Subassembly Gear Subassembly Subassembly...

  • Page 36: Replacement Of Collar Bushes

    6 Maintenance Rotary Jet Mixer IM 15 6.8 Replacement of collar bushes 1. Place gear frame (29) upside down with a firm support under the flange. Use for instance jaws of a vice. Do not clamp on machined surfaces. With pusher (tool no. TE81B033, see page 52) knock out collar bush.
  • Page 37 6 Maintenance Rotary Jet Mixer IM 15 Replacement Replacement of of of Collar Replacement Collar Collar Bushes Bushes Bushes Support Support Removal of old Collar bushes...

  • Page 38: Replacement Of Ball Races

    6 Maintenance Rotary Jet Mixer IM 15 6.9 Replacement of ball races In In In body body body 1. A. With big end downwards knock several times body with bearings (26) hard against firm wooden support until ball race (26.3) drops out.
  • Page 39 6 Maintenance Rotary Jet Mixer IM 15 Replacement of Ball races Support Support...

  • Page 40: Replacement Of Main Collars

    6 Maintenance Rotary Jet Mixer IM 15 6.10 Replacement of main collars Although normally exposed to very limited wear, it is possible to replace main collars (26.1 and 26.2) and hub liner (26.4) in body. The procedure to do this is described below.
  • Page 41 6 Maintenance Rotary Jet Mixer IM 15 Replacement of Main Collars...

  • Page 42: Trouble Shooting Guide

    7 Trouble shooting guide Rotary Jet Mixer IM 15 Symtom: Symtom: Symtom: Slow Slow or or or no no Slow no r r r otation otation otation of of of machine machine machine Fault finding finding Possible Causes Causes Fault...
  • Page 43 7 Trouble shooting guide Rotary Jet Mixer IM 15 Symtom: Symtom: Symtom: Slow Slow Slow or or or no no no r r r otation otation otation of of of machine machine machine Fault finding finding Possible Causes Causes Fault...

  • Page 44: Technical Data

    Rotary Jet Mixer IM 15 Performance data data Performance Performance data 8.1 IM 15 Rotary Jet Mixer with 2 nozzles Weight of machine: 6.1 kg (13.4 lbs) Working pressure: 2-12 bar (30-175 psi) Recommended pressure during mixing: 2-6 bar (30-87 psi) Recommended pressure during CIP: 5-6.5 bar (73-94)

  • Page 45: Im 15 Rotary Jet Mixer With 4 Nozzles

    Rotary Jet Mixer IM 15 Performance data data Performance Performance data 8.2 IM 15 Rotary Jet Mixer with 4 nozzles Weight of machine: 6.1 kg (13.4 lbs) Working pressure: 2-12 bar (30-175 psi) Recommended pressure during mixing: 2-6 bar (30-87 psi) Recommended pressure during CIP: 5-6.5 bar (73-94)

  • Page 46: Performance Data

    Reach of of of jet jet jet Relationship between inlet pressure and flow rate for liquids Reach of jet for the IM 15 during cleaning, and indicative with waterlike properties for the IM 15 Rotary Jet Mixer. reach of jet for mixing of liquids with water-like properties.

  • Page 47: Product Programme

    9 Product programme Rotary Jet Mixer IM 15 9.1 Standard configuration for Alfa Laval IM 15 Rotary Jet Mixer Standar d d d W W W ith ith ith e e e - - - gear gear gear Standar Standar...

  • Page 48: Parts Lists And Drawings, Service Kits And Tools

    10 Parts lists and drawings, service kits and tools Rotary Jet Mixer IM 15 with 2 nozzles 10.1 Parts drawing and list of parts - IM 15 with 2 nozzles...
  • Page 49 Parts marked with ○ are included in the Standard Service Kit TE31B29970 (ATEX/IECEx) Please refer to the Spare Part Manual for information on item numbers and materials. The Spare Part manual is available from the on-line Alfa Laval product catalogue Anytime or the Close at hand spare part catalogue.

  • Page 50: Parts Drawing And List Of Parts - Im 15 With 4 Nozzles

    10 Parts lists and drawings, service kits and tools Rotary Jet Mixer IM 15 with 4 nozzles 10.2 Parts drawing and list of parts - IM 15 with 4 nozzles...
  • Page 51 Parts marked with ○ are included in the Standard Service Kit TE31B29970 (ATEX/IECEx) Please refer to the Spare Part Manual for information on item numbers and materials. The Spare Part manual is available from the on-line Alfa Laval product catalogue Anytime or the Close at hand spare part catalogue.

  • Page 52: Service Intervals

    Please refer to the Spare Part Manual for information on item numbers and materials. The Spare Part Manual is available from the online Alfa Laval product catalogue Anytime or the Close at hand spare part catalogue. 10.4 Tools...
  • Page 53 11 General information 11.1 Service & repair Upon every return of a product, no matter if for modifications or repair, it is necessary to contact your local Alfa Laval office to guarantee a quick execution of your request. You will receive instructions regarding the return procedure from your local Alfa Laval office. Be sure to follow the instructions closely.
  • Page 54 © Alfa Laval Corporate AB This document and its contents is owned by Alfa Laval Corporate AB and protected by laws governing intellectual property and thereto related rights. It is the responsibility of the user of this document to comply with all applicable intellectual property laws. Without limiting any rights related to this document, no part of this document may be copied, reproduced or transmitted in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose, without the expressed permission of Alfa Laval Corporate AB.

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