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Instruction Manual

Version 9

Industrial Fluidised

Bath System

IFB-201

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Summary of Contents for Techne IFB-201

Page 1: ...Instruction Manual Version 9 Industrial Fluidised Bath System IFB 201 ...

Page 2: ... prevent any water entering the unit Regular internal and external inspection of extraction ducting is recommend to detect any damage and 3 ensure the internals are clean Any build up of particles or debris discovered in the extraction ducting requires the ducting to be cleaned or replaced In fluidised baths used for polymer burn off please regularly inspect fluidising medium remove any foreign 4 ...

Page 3: ...INSTALLATIOn Fume ignition Fume cleaning OperatIOn Operating procedures for plastic residue MaIntenanCe Maintenance procedures for PVC etc Fault FInDIng Spare parts Accessories Diagrams 5 7 21 2 21 250 7 27 4 7 7 8 10 15 17 19 20 22 23 23 11 13 14 24 3 ...

Page 4: ... ensure you use suitable lifting equipment OPERATOR SAFETY All users of Techne equipment must have available the relevant literature needed to ensure their safety It is important that only suitably trained personnel operate this equipment in accordance with the instructions contained in this manual and with general safety standards and procedures If the equipment is used in a manner not specified ...

Page 5: ... following conditions For indoor use only Use in a well ventilated are Ambient temperature range 5 C to 35 C 41 F to 95 F Altitude to 2000m 6500ft Relative humidity not exceeding 75 decreasing to 30 and free from condensation Mains supply fluctuations not exceeding 10 of nominal Overvoltage category II IEC60364 4 443 Pollution degree 2 IEC664 AFTER USE When you have finished heating samples rememb...

Page 6: ...lug and lead Repeated operation of the cutout indicates a serious fault you may need to return the unit to your supplier for repair 3 Fuses Your unit is protected by one or two fuses These should only be changed by suitably qualified personnel If the fuses blow persistently a serious fault is indicated and you may need to return the unit to your supplier for repair guarantee The unit is guaranteed...

Page 7: ...aIntenanCe Regularly inspect and maintain air filter to eliminate oil vapour in air supply aluMIna Should the fluidised bath be stirred for a long period of time under damp or humid conditions moisture may be absorbed by the alumina which is hydroscopic To avoid violent fluidisation which occurs when damp alumina is heated above 100 C operate the bath for a period of approximately 8 hours at 90 C ...

Page 8: ... silicon carbide bed The unique characteristics of gas fluidised particles is the relatively high rate of heat transfer which yields highly isothermal conditions as well as excellent heat transfer to solid surfaces This characteristic is due to the turbulent motion and rapid circulation rate of the solid particles in conjunction with the extremely high solid gas interface area Therefore despite th...

Page 9: ...e A non standard version of this industrial fluidised bath is available for applications where continued treatment of components contaminated by PVC and other halogenated polymers is envisaged This version is manufactured from materials that resist the effects of corrosion which are experienced when processing the above polymers The compressed air supply to the fluidised bath must be clean dry and...

Page 10: ...ter type Control system Electrical safety protection Fluidised medium External dimensions height width depth 395mm from porous plate to top of media when fully loaded and fluidised 12 litre 36 666mm2 180 minutes 350 minutes 204 1030kPa 30 150psi 220 l min 150 l min 9kW 4 semi embedded heating elements 3 term PID temperature controller with thermocouple sensor and solid state relay Control circuit ...

Page 11: ... state relay to earth is at least 2 5M ohm before connecting the electrical circuit to the electrical supply See attached circuit diagram for connection details and the unit rating plate for details of the electrical supply required The compressed air supply to the ﬂuidised bath must be clean dry and free from oil If a manual control option is ﬁtted close the air ﬂow adjusting valve which is situa...

Page 12: ...ailure and an air pressure switch which inhibits operation if the compressed air supply to the ﬂuidised bath fails Both of these devices isolated the electrical supply to the heater elements and illuminate the cut out indicator in a fault condition If the ﬂuidised bath is to be used to process items that may emit toxic or inﬂammable fumes it is essential that an adequate fume extraction system be ...

Page 13: ...sed object For details of how to adjust the ﬂuidising air ﬂow rate when using the automatic air control system see Item c of the Fault Finding Section of this manual Fume Ignition Spontaneous ignition may occur above the surface of the ﬂuidised bath or within the exhaust ductwork if the concentration exceeds the lower explosive limit The fume concentration is dependent upon the rate of fume produc...

Page 14: ...eaned are contaminated by polymers which contain inorganic pigments or fillers such as titanium oxide of a particle size less than 0 005mm diameter which will not be retained by the cyclone it is recommended that a filtration system be fitted after the cyclone In applications where the materials being treated produce acidic vapours during thermal decomposition it is recommended that a fume scrubbe...

Page 15: ...e reset switch to initiate the system and extinguish the cut out indicator The following parameters have been factory set into the 2208L controller Al list Hy 1 Pid List Pb 20 ti 360 td 60 lcb Auto Hcb Auto OP List OpLo 0 OpHi 100 0 CycH 1 0 OntH 0 1 Accs List Full level Enter 5744 password Goto OPer select Full Enter SP List SSEL SP1 SP1 0 SP2 25 SP1L 0 SP1H 630 SP2L 0 SP2H 630 SP1r Off Dwell Off...

Page 16: ...he heat up period and to increase the efficiency of the fume extraction system As the temperature of the fluidised bath approaches the set point the heater indicator situated in the temperature controller fascia will cycle on and off until the actual temperature reaches the set point temperature It may be desirable depending on the process being carried out in the fluidised bath to check the actua...

Page 17: ...y or remains loosely bound to the object being cleaned Any carbon or incombustible filler that remains on the processed item can be removed by a secondary cleaning operation either by brushing or some form of water wash It is important to ensure that the items being processed do not exceed the maximum loading capacity see Technical Specification and that they are loaded into the fluidised bath in ...

Page 18: ... preheat the bath to well above the operating temperature so that the polymer temperature rapidly moves through the melting phase to the burning condition Excessive operating temperatures should be avoided as they increase the fume concentration above the bath and may result in the formation of condensed fumes within the extraction system Material Burn off temperature C Nylon 450 Paint 475 575 Pol...

Page 19: ... the production of hydrochloric acid in the bed when PVC is being processed B13 Regulator Filters On automatic drain models no adjustments are necessary Clean filter element and automatic drain protective screen regularly If required automatic drain models can be manually tripped by pushing a blunt ended rod up through the bottom of the mechanism to completely purge the bowl To remove the filter e...

Page 20: ... cleaned in it especially if these are of uncoated steel The purpose of most of the recommended maintenance procedure is aimed at keeping the bed medium clean and free flowing and free of gums acids agglomerates partly decomposed plastic char and larger particles These cleaning processes have the additional benefit of ensuring good fluidisation and this in turn reduces burn off time reduces uneven...

Page 21: ...h sieve drained dried and returned to the bath where drying is completed by fluidisation and heating at 150 C until the medium fluidises in the normal manner The washing procedure removes acidic residues and accumulated soluble salts and residues Symptoms of neglect should be dealt with immediately These include pitting of metallic surfaces formation of lumps of agglomerated medium accumulation of...

Page 22: ...t the heater elements remove the inner container from the outer wrapper The heater elements are of the semi embedded type c If the fluidisation within the bath deteriorates check the compressed air supply and the air filter assembly Replace the air filter elements if necessary Where a flowmeter is fitted check the air flow rates correspond with the recommended values Ensure that the air pressure r...

Page 23: ...ACCESSORIES AND SPARE PARTS 23 ...

Page 24: ...Gate valve Flowmeter Pressure switch Fluidised bath Gate valve Pressure switch Fluidised bath Air filter regulator Gate valve Pressure switch Fluidised bath Fig 2 Manual Control with Flowmeter Fig 3 Manual Control aIrWOrKS 24 ...

Page 25: ...Air filter regulator Gate valve Flowmeter Pressure switch Fluidised bath Manual control Manual control with flowmeter 25 ...

Page 26: ...26 26 ...

Page 27: ...n Road Stone Staffordshire ST15 0SA United Kingdom File Number P225 Authorised Cole Parmer Representative Beacon Road Stone Staffordshire ST15 0SA United Kingdom Object of Declaration Industrial Fluidised Baths reference the attached list of catalogue numbers The object of the declaration described above is in conformity with the relevant Union Harmonisation Legislation Additional Information Plac...

Page 28: ...Cole Parmer Ltd UK Beacon Road Stone Staffordshire ST15 0SA United Kingdom Tel 44 0 1785 812121 Email cpinfo coleparmer com Web www techne com ...

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