Retsch BB 300 User Manual
Operating instructions for jaw crusher type BB300
Retsch GmbH , 42781 Haan , Retsch-Allee 1-5, Germany 2/7/2012 0002
Notes on the operating instructions
These operating instructions for the jaw crusher type BB 300 provide
all the necessary information on the topics listed in the table of
contents.
The guide the target group(s) defined for the relevant subjects in safe
and proper handling of the BB 300. Knowledge of the relevant
chapters by the appropriate target group(s) is essential for safe and
proper handling.
This technical documentation comprises a reference work and a
training guide. The individual chapters are self-contained units.
These operating instructions do not contain any instructions on repairs.
Should any repairs become necessary, please contact your supplier or
Retsch GmbH.
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Notes on the operating instructions .................................................. 2
Safety .................................................................................................. 4
Notes on safety............................................................................................... 4
Warning symbols ............................................................................................ 5
Repairs ............................................................................................................. 5
Confirmation .................................................................................................. 5
Technical data .................................................................................... 6
Use for the intended purpose ...................................................................... 6
Gap adjustment .............................................................................................. 6
Throughput, final fineness............................................................................ 6
Degree of protection .................................................................................... 6
Rated power .................................................................................................... 6
Noise data ....................................................................................................... 6
Equipment dimensions ................................................................................. 7
Mounting surface required ........................................................................... 7
Dimensional chart .............................................................................. 8
Transport and installation .................................................................. 9
Packaging ......................................................................................................... 9
Transport ......................................................................................................... 9
Interim storage ............................................................................................... 9
Parameters for the installation location ...................................................... 10
Installation....................................................................................................... 10
Hopper assembly ................................................................................. 10
Electrical Connection .................................................................................... 11
Operation ........................................................................................... 12
Graphical representation of the controls ................................................... 12
Overview table for the graphic .................................................................... 13
Starting the BB 300 ........................................................................................ 14
Stopping the BB 300 ..................................................................................... 14
Setting the gap width ..................................................................................... 14
Adjusting the zero position of the gap width indicator ........................... 14
Feeding in process material .......................................................................... 15
Notes on working procedures ............................................................ 16
General ............................................................................................................ 16
Input grain size ............................................................................................... 16
Quality of process material .......................................................................... 16
Capacity ........................................................................................................... 16
General ............................................................................................... 17
Cleaning ........................................................................................................... 17
Maintenance .................................................................................................... 17
Tests ................................................................................................................. 17
Replacing crusher jaws .................................................................................. 18
Accessories ...................................................................................................... 18
Copyright......................................................................................................... 18
Modifications .................................................................................................. 18
Safety instructions (table) ............................................................................. 19
Appendix ..................................................................... following pages
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Safety
!
No liability in any form will be accepted for damage or injury
resulting from failure to observe the following notes on safety.
Target group: All persons dealing with the machine in any way
The BB 300 is a modern, powerful product from Retsch GmbH. It
reflects the state of the art. When the machine is handled correctly by
persons familiar with this technical documentation, it is completely safe
and reliable in operation.
Notes on safety
You, as the operator, are responsible for ensuring that the persons
appointed to work with the BB 300:
have read and understood all the stipulations of the chapter
on safety,
are familiar before commencing work with all instructions and
regulations for the relevant target group,
have access to the technical documentation for this machine
at all times and without difficulty.
Ensure that new staff have been familiarised with the rules for safe and
proper handling before commencing work on BB 300 either by oral
instruction by a competent person and/or by this documentation.
Incorrect operation can lead to damage or injury. You are responsible
for your own safety and that of your staff.
Ensure that no unauthorised persons have access to the BB 300.
For your own protection, have your staff confirm that they have been
instructed in operation of the BB 300. A draft of an appropriate form
can be found at the end of the chapter on safety.
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Warning symbols
!
Personal injury
Damage to property
The Retsch agency in your country
Your supplier
Retsch GmbH direct
_____________________________
_____________________________
_____________________________
_____________________________
We use the following symbols to warn of:
Repairs
These operating instructions do not contain any instructions on repairs.
For your own safety, only have repairs performed by Retsch GmbH or
an authorised agent (service technicians).
In such a case, please inform:
Your service address:
Confirmation
I have read and understood the foreword and the chapter on safety.
__________________________________________________
Signature of the operator
__________________________________________________
Signature of service technician
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Technical data
Do not modify the machine in any way, and use only spare parts and
accessories approved by Retsch.
The conformity with European Directives declared by Retsch will
otherwise be invalidated.
Furthermore, this will lead to all warranty claims being rendered
null and void.
Target group: Owners, operators
Machine type designation: BB 300
Use for the intended purpose
This machine is not designed as a production machine or for
continuous operation, but as a laboratory machine intended for 8 hour
single shift operation.
The BB 300 is suitable for crushing of medium to extremely hard
substances and brittle and hard/tough materials. The achievable final
fineness can be up to 5 mm and less, depending on the input material.
The maximum input grain size is <130 mm.
The materials which can be crushed in the BB 300 include the
following:
concrete // ores // rock // glass // ceramics // coal // minerals //
slags // cement clinker etc.
Should you require any further details, the Retsch applications
laboratory will be pleased to assist.
Gap adjustment
From 1 mm to approx. 40 mm by means of a spindle.
Throughput, final fineness
The performance data, throughput and achievable final fineness are
dependent on the breakage behaviour and hardness of the process
material and on the gap width set. They can only be determined
empirically.
Degree of protection
IP55
Rated power
3000 watts
Noise data
Noise measurement to DIN 45635-31-01-KL3
The noise levels are also decisively influenced by the properties of the
material to be ground.
Example 1 :
Sound power level LWA = 95.7 dB(A)
Workplace related emission level L
Service conditions :
Input material: Marble pebbles, grain size <90 mm
Gap width set: < 1 mm
Final grain size: < 14 mm
Filling of milling chamber: approx. 65%
= 81.5 dB(A)
p eq
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Example 2:
Height: approx. 1450 mm
Width: approx. 670 mm
Depth: approx. 1600 mm
Weight: approx. 700 kg net
Sound power level LWA = 102 dB(A)
Workplace related emission level L
= 90 dB(A)
p eq
Service conditions:
Input material: Quartz pebbles, grain size <55 mm
Gap width set: < 1 mm
Final grain size: < 10 mm
Filling of milling chamber: approx. 65%
Equipment dimensions
Mounting surface required
670 mm x 1600 mm; no safety clearances necessary!
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Dimensional chart
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