Buchi Scrubber K-415 Operation Manual
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Buchi Scrubber K-415 Operation Manual

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Scrubber K-415
Operation Manual
11593505 en

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  • Page 1 Scrubber K-415 Operation Manual 11593505 en...
  • Page 2 E-Mail: quality@buchi.com BUCHI reserves the right to make changes to the manual as deemed necessary in the light of experience; espe- cially in respect to structure, illustrations and technical detail. This manual is copyright. Information from it may not be reproduced, distributed, or used for competitive purpos- es, nor made available to third parties.

  • Page 3: Table Of Contents

    No technical modifications may be made to the instrument without the prior written agreement of BUCHI. Unauthorized modifications may affect the system safety or result in accidents. This manual is copyright. Information from it may not be reproduced, distributed, or used for competi- tive purposes, nor made available to third parties.
  • Page 4 Table of contents Installing the Reaction vessel ......29 Receiving vessel with outlet - Total Kjeldahl Nitrogen set (optional) ..30 Connecting the cooling water control (ECO-versions only).
  • Page 5 1 About this manual K-415 Operation Manual, Version B...

  • Page 6: About This Manual

    1 About this manual About this manual This manual describes the Scrubber and provides all information required for its safe operation and to maintain it in good working order. It is addressed to laboratory personnel in particular. NOTE The symbols pertaining to safety (WARNINGS and ATTENTIONS) are explained in chapter 2. 1 .1 Reference documents For information on the digestion instrument, please refer to the corresponding manuals available in...
  • Page 7 2 Safety K-415 Operation Manual, Version B...

  • Page 8: Safety

    2 Safety Safety This chapter points out the safety concept of the instrument and contains general rules of behavior and warnings from hazards concerning the use of the product. The safety of users and personnel can only be ensured if these safety instructions and the safety- related warnings in the individual chapters are strictly observed and followed.

  • Page 9: Safety Warnings And Safety Signs Used In This Manual

    2 Safety 2 .4 Safety warnings and safety signs used in this manual DANGER, WARNING, CAUTION and NOTICE are standardized signal words for identifying levels of hazard seriousness of risks related to personal injury and property damage. All signal words, which are related to personal injury are accompanied by the general safety sign.

  • Page 10: Product Safety

    2 .5 Product safety The Scrubber K-415 has been designed and built in accordance with current state-of-the-art tech- nology, at the time of development. Safety warnings in this manual (as described in section 2.4) serve to make the user alert to and avoid hazardous situations emanating from residual dangers by giving appropriate counter measures.

  • Page 11: General Hazards

    The personal protective equipment must meet all requirements of all data sheets for the chemicals used. These instructions are an important part of the Scrubber K-415 and must be made available at all times to the operating personnel at the place where the equipment is deployed. This also applies to additional language versions of these instructions, which can be reordered separately.

  • Page 12: Built-In Safety Elements And Measures

    Modifications to the instrument are only permitted after prior consultation and with the written approval of the manufacturer. Modifications and upgrades shall only be carried out by an authorized BUCHI technical engineer. The manufacturer will decline any claim resulting from unauthorized modifications.
  • Page 13 3 Technical data K-415 Operation Manual, Version B...

  • Page 14: Technical Data

    3 .1 Scope of delivery Check the scope of delivery according to the order number. NOTE For detailed information on the listed products, see www.buchi.com or contact your local dealer. 3 .1 .1 DuoScrub Table 3-1: DuoScrub K-415 Product...

  • Page 15: Triplescrub Eco

    3 Technical data 3 .1 .3 TripleScrub Table 3-3: TripleScrub K-415 Product Order number 230 V / 50/60 Hz 114152331 120 V / 50/60 Hz 114151231 100 V / 50/60 Hz 114151031 Standard accessories Hose for water control 11057146 Adapter with sieve for tap 11058398 Multi-tool 11058474...

  • Page 16: Standard Accessories For All Scrubber Models

    Product Order number Condensation step 11058460 Reaction step 11058461 TKN set 11057333 Cooling water valve 11058462 Tray for adsorption storage 11057332 Connection cable to digester 030973 IQ/OQ Scrubber K-415 11058568 Repeating OQ Scrubber K-415 11058569 K-415 Operation Manual, Version B...

  • Page 17: Technical Data Overview

    3 Technical data 3 .2 Technical data overview Table 3-7: Technical data Scrubber Unit K-415 Dimensions (W x H x D) DuoScrub 248 x 412 x 526 mm (completely equipped instrument) TripleScrub 347 x 417 x 526 mm TripleScrub 347 x 417 x 543 mm QuadScrub 347 x 450 x 543 mm Weight...

  • Page 18: Recommended Consumables

    3 Technical data 3 .4 Recommended consumables Table 3-9: Active charcoal for adsorption vessel Product Order number Fluka, granules impregnated with potassium hydroxide for the chemisorption of acid Fluka 29238 vapors Fluka, purum p.a. 4 - 8 mm Fluka 05110 Merck, granulated Merck 102518 Table 3-10: Glasswool for adsorption vessel...
  • Page 19 4 Description of function K-415 Operation Manual, Version B...

  • Page 20: Description Of Function

    4 Description of function Description of function This chapter explains the basic principle of the instrument, shows how it is structured and gives a functional description of the assemblies. The pump draws off the gases and vapors produced in chemical reactions via a condenser providing a receiving vessel underneath.
  • Page 21 4 Description of function a Fume inlet into condenser f Fume outlet of condenser b Condenser g Neutralization vessel with washing solution c Receiving vessel h Adsorption vessel (filled with activated charcoal) d Cooling water inlet of condenser i Reaction stage e Cooling water outlet of condenser j Fume exhaust pump Fig.

  • Page 22: Scrubber Capacity

    4 Description of function 4 .2 Scrubber capacity The suction capacity of the Scrubber K-415 is designed for digestion units with a maximum of 20 sample tubes. Connection examples: • Connection of up to two SpeedDigesters K-425 (6 places each) •...
  • Page 23 5 Putting into operation K-415 Operation Manual, Version B...

  • Page 24: Putting Into Operation

    Do not use damaged glassware. NOTE Place the Scrubber K-415 on the left side of a digestion unit (e.g. SpeedDigester, Digest System K-437 or Digest Automat K-438/K-432). The Scrubber ventilation is located on the left side. In case the Scrubber is placed on the right side of another unit, cool air will hit the digestion sample and cool it down, so that no digestion can take place.

  • Page 25: Anti-Seismic-Tie-Down

    5 .2 General installation procedure for all Scrubber models To commission the Scrubber K-415, proceed as follows: • Make sure that the silencer (a in figure 5.2) is filled with polyester fibres and install it: Fig. 5.2: The silencer on the rear side of the instrument •...
  • Page 26 5 Putting into operation • Attach the tray for adsorption storage (optional available for DuoScrub) to the housing: Slide the tray a from the side into the groove in the housing b and fix it by tightening the screw c. After the tray has been attached to the housing of the scrubber, the adsorption vessel and the inlet tubing of the neutralization vessel can be stored in the tray, while the neutralization vessel is taken away from the instrument.

  • Page 27: Equipping The Scrubber With The Condenser Unit

    5 Putting into operation 5 .3 Equipping the Scrubber with the condenser unit To prepare a Scrubber model for operation with a condenser, proceed as follows: • Unless the carrier-plate a for the condenser is not yet installed, slide it into the housing from the side and fix it with the two screws from below.

  • Page 28: Installing The Reaction Vessel

    5 Putting into operation native to the receiving vessel. For details please refer to chapter 5.5. The connections of the condenser can be seen from the following schema: a Cooling water outlet b Connection to neutralization stage c Fume inlet (connection to emission source / digester) d Cooling water inlet Fig.

  • Page 29: Receiving Vessel With Outlet - Total Kjeldahl Nitrogen Set (Optional)

    5 Putting into operation 5 .5 Receiving vessel with outlet - Total Kjeldahl Nitrogen set (optional) A receiving vessel with outlet a is optionally available. It serves for the digestion of samples with a large water content. Using the drain cock b it is possible to drain the collected volume of liquid during operation.

  • Page 30: Connecting The Cooling Water Control (Eco-Versions Only)

    5 Putting into operation 5 .6 Connecting the cooling water control (ECO-versions only) -versions of the Scrubber are equipped with a cooling water control ensuring the flow of the cooling water is switched on every time the K-415 is switched on by the digestion instrument and is turned off the same time, the digester is turned off.

  • Page 31: Hose Connections

    5 Putting into operation 5 .7 Hose connections NOTE Use clips and cable ties where necessary to secure the hoses in place. 5 .7 .1 Hose connections of the DuoScrub The DuoScrub consists of the neutralization and the adsorption vessel. To establish the hose connections, proceed as follows: •...

  • Page 32: Hose Connections For The Triplescrub

    5 Putting into operation 5 .7 .2 Hose connections for the TripleScrub The TripleScrub consists of the neutralization vessel, the adsorption vessel, and the condenser unit. To establish the hose connections, proceed as follows: • Put hose connectors GL 14 with seals on all PTFE hoses. •...

  • Page 33: Hose Connections For The Triplescrub Eco

    5 Putting into operation 5 .7 .3 Hose connections for the TripleScrub The TripleScrub consists of the neutralization, the adsorption vessel, the condenser unit and the cooling water control. To establish the hose connections, proceed as follows: • Put hose connectors GL 14 with seals on all PTFE hoses. •...

  • Page 34: Hose Connections For The Quadscrub

    5 Putting into operation 5 .7 .4 Hose connections for the QuadScrub The QuadScrub consists of the neutralization, the adsorption vessel, the condenser, the cooling water control and the reaction stage. To establish the hose connections, proceed as follows: • Put hose connectors GL 14 with seals on all PTFE hoses. •...

  • Page 35: Electrical Connections

    Connect the Scrubber K-415 to the mains with the power cord contained in the scope of delivery. To start the Scrubber automatically at the same time the digestion process starts, connect it to the SpeedDigester K-439, to a Digest System K-437 or to a Digest Automat K-438/K-432 with the optional connection cable.

  • Page 36: Washing Solutions For Acidic Vapors And Gases

    • Sulphuric acid, max. 20 % Depending on the area of application, it is recommended to use different washing solutions or concen- trations. The Scrubber K-415 is supplied ex works with a base-resistant lip gasket. NOTE For operating with acid washing solutions, an acid-resistant lip gasket should be used.

  • Page 37: Filling Up The Prepared Washing Solution

    5 Putting into operation 5 .10 Filling up the prepared washing solution WARNING Risk of serious chemical burns by corrosives. • Allways use the glass handles of the neutralization vessel to lift or carry it. • Never try to lift or carry the neutralization vessel while holding it on the cover of the neutral- ization vessel.

  • Page 38: Preparation Of The Adsorption Vessel

    5 Putting into operation 5 .11 Preparation of the adsorption vessel NOTE When you carry out Kjeldahl digestions, the suction capacity might become too high. Therefore we recommend to fill activated charcoal into the adsorption vessel and to add glass wool at both ends. The glass wool prevents charcoal from being drawn into the vacuum pump.
  • Page 39 6 Operation K-415 Operation Manual, Version B...

  • Page 40: Operation

    6 Operation Operation This chapter gives examples of typical instrument applications and instructions on how to operate the instrument properly and safely. CAUTION Risk of minor or moderate cuts when handling damaged glass parts. • Handle glass parts with care. •...

  • Page 41: Operation

    >1.2 L/min (≤ 25 °C) is pulse-free and does not exceed 2.7 bar. • The -models of the Scrubber K-415 come equipped with an automatic water-control. The automatic water control will start the flow of cooling water automatically once the instrument...

  • Page 42: Maintenance

    7 Maintenance and repairs Maintenance This chapter gives instructions on all maintenance work to be performed in order to keep the instru- ment in good working condition. NOTE Use only genuine consumables and spare parts for any maintenance and repair work in order to assure warranty and continued system performance.

  • Page 43: Housing

    7 Maintenance and repairs Table 7-1: Service intervals Part Service intervals See chapter Silencer Replace once a year 7.12 Functional test 7.13 Customer Service 7.14 7 .1 Housing Check the housing for defects (switches, plugs) and clean it once a week with a damp cloth. 7 .2 Glass parts Take out and clean the glass parts once a month or if required with commercially available cleaning...

  • Page 44: Washing Insert

    7 Maintenance and repairs Table 7-2: Replacing seals and silencer unit Position in Fig. 10.1 Order no. Description Replacing interval 8 + 7 040296 Set of seals / connectors (straight) once a year 30 + 7 040295 Set of seals / connectors (bent) once a year 037928 O-ring to adapter (37777)

  • Page 45: Washing Solution

    7 .6 Washing solution Used washing solutions may impair the functionality of the Scrubber K-415 especially in the range of the neutra lization point as a result of strong foaming. Changing the washing solution in appropriate time (when the color indicator undergoes a color change) keeps the adsorption stage and/or reaction stage from getting soiled and pre vents the possibility of the pump getting damaged.

  • Page 46: Hose Cooling Control / Condenser

    7 Maintenance and repairs Fig. 7.2: Flushing the pump 7 .9 Hose cooling control / condenser Check the hose monthly and replace it as soon as it becomes porous. 7 .10 Hose water control feed • Check the sieve once a month for residues and clean it if necessary. •...

  • Page 47: Silencer

    Functional test A functional test to check whether the bypass valve functions properly and if the complete system of the K-415 is tight can be performed by your service technician. Please contact your BUCHI service center concerning this matter. 7 .14 Customer service Only authorised service personnel are allowed to perform repair work on the instrument.

  • Page 48: Troubleshooting

    “Corrective measure”. The elimination of more complicated malfunctions or errors is usually performed by a BUCHI technical engineer who has access to the official service manuals. In this case, please refer to your local BUCHI customer service agent.
  • Page 49 9 Shutdown, storage, transport and disposal K-415 Operation Manual, Version B...

  • Page 50: Shutdown, Storage, Transport And Disposal

    9 .1 Storage and transport Switch off the instrument and remove the power cord. To disassemble the Scrubber K-415 follow the installation instructions in section 5 in reverse order. Clean the instrument thoroughly! Remove all liquids and dusty residues before packaging the instrument.
  • Page 51 10 Spare parts K-415 Operation Manual, Version B...

  • Page 52: Spare Parts

    This chapter lists spare parts, accessories, and options including their ordering information. Order the spare parts from BUCHI. Always state the product designation and the part number when ordering spare parts. Use only genuine BUCHI consumables and genuine spare parts for maintenance and repair to assure good system performance and reliability.
  • Page 53 10 Spare parts Table 10-1: Spare parts on the exploded instrument view Position Product Order number Position Product Order number Tray for adsorption storage (with 11057332 23 Swirl disc 037821 screw) Anti-seismic-tie-down - 24 Spacer tube 037852 Silencer unit 11056985 25 Swirl disc holder 037851 (filled with polyester fibres)

  • Page 54: Miscellaneous

    10 Spare parts 10 .2 Miscellaneous Table 10-2: Miscellaneous Product Order number Set of sealings FPM (10 pieces) 040040 Set of screw caps GL 14 (10 pieces) 041956 Set of screw caps GL 14 and sealings FEP (10 pieces) 041999 K-415 Operation Manual, Version B...
  • Page 55 11 Declarations and requirements K-415 Operation Manual, Version B...

  • Page 56: Declarations And Requirements

    11 Declarations and requirements Declarations and requirements 11 .1 FCC requirements (for USA and Canada) English: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to both Part 15 of the FCC Rules and the radio interference regulations of the Canadian Department of Communications.

  • Page 57: Declaration Of Conformity

    11 .2 Declaration of conformity...
  • Page 58 F +66 2 862 08 54 F +41 71 394 65 65 F +971 4 313 2861 www.nir-online.de bacc@buchi.com latinoamerica@buchi.com middleeast@buchi.com www.buchi.com www.buchi.com www.buchi.com We are represented by more than 100 distribution partners worldwide. Find your local representative at: www.buchi.com...

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