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BÜCHI Mini Spray Dryer B-191
Read these instructions thoroughly before you use the BÜCHI
Mini Spray Dryer B-191. Store these instructions in the im-
mediate vicinity of the apparatus so that they may be consulted
at any time.
Chapter 2 contains important safety information. Knowledge of
this is imperative for the safe operation of the Mini Spray Dryer.
Subject to technical change without notice. No part of these
instructions may be reproduced in any form whatsoever or
processed, reproduced or disseminated by means of electronic
or optical systems without the express written permission of
Büchi Labortechnik AG. All rights reserved.
Copyright © Büchi Labortechnik AG 1997
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B-191 Instructions
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Order No.
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Table of Contents
Related Manuals for Buchi B-191
Summary of Contents for Buchi B-191
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Page 1: Table Of Contents
7.3 Disposal Read these instructions thoroughly before you use the BÜCHI Replacement parts Mini Spray Dryer B-191. Store these instructions in the im- 8.1 Replacement parts, basic apparatus mediate vicinity of the apparatus so that they may be consulted 8.2 Replacement parts, glass assembly, white at any time. -
Page 2: Scope Of Delivery
22352 Allen wrench 03776 ICO compressed air quick connector 04155 Nipple (screw) 1/4” 8 mm 04156 Figure 1: Mini Spray Dryer B-191 Table 1: Enclosed parts Optional accessories: 1 Glass set in brown glass 27909 1 Magnetic stirrer 27940 1 Aspirator filter... -
Page 3: Safety
Requirements for the operator The Mini Spray Dryer B-191 is only to be used by laboratory and specialist personnel and other persons, who, because of their training or professional experience, are able to assess the dangers which can result while operating the equipment. - Page 4 2 Safety BÜCHI Mini Spray Dryer B-191 Non-regulation use Any uses other than those listed as well as any use which does not correspond to the technical data is a misuse. The operator bears sole risk for eventual damage related to such use.
- Page 5 For this purpose these instructions can also be ordered in other languages (see Chapter 1, Scope of delivery). These instructions, as a component of the Mini Spray Dryer B-191, should be available to the operating personnel at any time at the location of use of the apparatus.
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Page 6: Function
3 Function BÜCHI Mini Spray Dryer B-191 Function The Mini Spray Dryer B-191 functions according to the paral- lel flow principle. This means that the sprayed product and the drying air flow in the same direction. Functional principle of the drying air... -
Page 7: Putting Into Operation
BÜCHI Mini Spray Dryer B-191 4 Putting into operation Putting into operation Check that the voltage of the socket is the same as that given on the apparatus plate. The apparatus is supplied with an attached cable but without a plug. The apparatus should be connected by an electrician in accordance with local regulations. -
Page 8: Installation Of Glass Parts
4 Putting into operation BÜCHI Mini Spray Dryer B-191 Installation of glass parts Care is to be taken that only glassware in perfect condition is used, which shows no cracks, stars or other damage. The glassware is to be checked visually before the initial putting into operation of the apparatus. -
Page 9: Installation Of The Spray Nozzle
The flexible connecting tube makes possible an optimal placement of the filter and is connected to the air suction supports of the B-191. The tube can be secured with the supplied clamp. Figure 8: Intake filter... -
Page 10: Installation Of The Aspirator Filter
4 Putting into operation BÜCHI Mini Spray Dryer B-191 Installation of the aspirator filter The aspirator filter, consisting of a woven polyester fabric (type 911-400), prevents dustiness and the possible blocking of the aspirator by very fine particles which can not be separated in the cyclone. -
Page 11: Installation Of The Automatic Nozzle Cleaner
BÜCHI Mini Spray Dryer B-191 4 Putting into operation Installation of the automatic nozzle cleaner For products which tend to clog the nozzle during the spray process, the cleaning of the nozzle can be automated. 1. Install the complete control unit with the angle piece on the rear panel as illustrated. -
Page 12: Installation Of The Pneumatic Action Cylinder On The Nozzle
4 Putting into operation BÜCHI Mini Spray Dryer B-191 4.10 Installation of the pneumatic action cylinder on the nozzle 1. Unscrew the push-button k for manual nozzle cleaning from the nozzle. 2. Screw the adapter k with the damping ring k on the needle shaft k and tighten well. -
Page 13: Operation
BÜCHI Mini Spray Dryer B-191 5 Operation Operation Make sure that the apparatus has been put into operation in accordance with Chapter 4, Putting into operation. Layout of the operating and display elements Main switch Rotary switch for selection of air flow... -
Page 14: Spray Process
5 Operation BÜCHI Mini Spray Dryer B-191 Spray process 1. Turn apparatus on using the main switch and open the main compressed-air cock. The apparatus now carries out an automatic self check and then goes automatically into operating mode. 2. If the apparatus is provided with pneumatic nozzle cleaner than the pressure in the manometer of the control unit must display 4.5 bar. -
Page 15: End Of Spray Process
BÜCHI Mini Spray Dryer B-191 5 Operation 11. The spray process should now be constantly monitor- ed. In addition to constant temperatures, care should be taken that the nozzle does not become clogged. If this should happen, the nozzle must be cleaned immediately, either manually or by increasing the cleaning interval of the pneumatic nozzle cleaner. -
Page 16: Fault Elimination
5 Operation BÜCHI Mini Spray Dryer B-191 Fault elimination Fault Possible cause Elimination Not possible to switch on No power Plug in apparatus / check plug for damage Fuse “burned out” Change fuse (3.15 AT) Peristalsis pump does not feed... - Page 17 BÜCHI Mini Spray Dryer B-191 5 Operation Fault Possible cause Elimination Output temperature does not Probe not inserted Insert probe in coupling increase Decrease in input temperature Heating off Switch heating on Fuse burned out Change fuse (12.5 AT) Decrease in output temperature...
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Page 18: Maintenance
6 Maintenance BÜCHI Mini Spray Dryer B-191 Maintenance Follow all instructions aimed at keeping the Mini Spray Dryer in a reliable operational state. This includes periodic cleaning and inspection for noticeable damage. Check that the plug has been pulled out and that the com- pressed air and cooling water are both switched off before maintenance work on the apparatus. -
Page 19: Block Diagram
BÜCHI Mini Spray Dryer B-191 6 Maintenance Block diagram Only the specified parts of the Mini Spray Dryer meant for functional performance may be installed and removed. This is possible manually or with the supplied tools. The removal of protective fixtures and covers with the aid of the usual tools is forbidden, except by authorized repair and maintenance personnel. -
Page 20: Taking Out Of Operation
7 Taking out of operation BÜCHI Mini Spray Dryer B-191 Taking out of operation Dangerous substances must be removed and the apparatus must be thoroughly cleaned. In this way any risk that persons will be injured through contact with dangerous substances will be eliminated. -
Page 21: Replacement Parts
BÜCHI Mini Spray Dryer B-191 8 Replacement parts Replacement parts Only original Büchi accessories and replacement parts guaran- tee safe use and reliable operation of the apparatus. The use of other than Büchi replacement parts and accessories is only allowed with the permission of the manufacturer. The re-... -
Page 22: Replacement Parts, Glass Assembly, White
8 Replacement parts BÜCHI Mini Spray Dryer B-191 27689 4396 Replacement parts, glass assembly, white 4178 Screw cap SVL 42 03551 O-Ring Silicone 30 x 4.0 37179 4190 Gasket SVL 42 x 30 mm PTFE 03575 4187 Contact ring (D = 60 mm) -
Page 23: Replacement Parts, Spray Nozzle
BÜCHI Mini Spray Dryer B-191 8 Replacement parts Replacement parts, spray nozzle 15688 04204 Spray nozzle 0.7 mm, complete 04364 04203 Spring casing 04202 04202 Pressure ring 04203 Spring 04204 Connecting fitting 6/4 04206 10699 Nozzle cap 0.7 mm 04208... -
Page 24: Replacement Parts, Intake Filter
8 Replacement parts BÜCHI Mini Spray Dryer B-191 Replacement parts, intake filter 11243 11242 Intake filter, complete 11235 Filter with gasket 11238 11240 11239 11238 Figure 20: Replacement parts, intake filter Replacement parts, aspiration filter Aspiration filter, complete 16482 Hose tail... -
Page 25: Accessories
BÜCHI Mini Spray Dryer B-191 8 Replacement parts Accessories Protection shield, complete 27725 Compressor 27907 Magnetic stirrer 27940 Filter sacks (6 units) 35004 Spray nozzle 0.7 mm, complete 04364 Wilkerson compressed-air 04366 maintenance unit... -
Page 26: Appendix
9 Appendix BÜCHI Mini Spray Dryer B-191 Appendix Technical data Apparatus type B-191 Connection voltage 230 V / 50 Hz (220-240 V) 220 V / 60 Hz Power consumption 2900 Watt Current consumption 14 A Max. temperature 220°C Max. drying output 1.5 kg water/hour... -
Page 27: Ec Declaration Of Conformity
BÜCHI Mini Spray Dryer B-191 9 Appendix EC declaration of conformity Büchi Labortechnik AG Post Office Box, CH-9230 Flawil Switzerland declare in general responsibility that the product BÜCHI Mini Spray Dryer B-191 to which this declaration refers is in conformity with the following standards:... - Page 28 9 Appendix BÜCHI Mini Spray Dryer B-191...