Bruno v2.12 Introduction to Process Calculation Program
Bruno user interface 1
• After successfully entered license an empty empty Bruno document opens
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Bruno user interface consists of four windows
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Flowsheet (documents Flowsheet (documents open on the flowsheet) Fraction curve Result list Warnings
Bruno user interface 2
• Active window is selected with corresponding corresponding button in the toolbar
Flowsheet Fraction curve Result list
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Warning window opens only after calculation
Bruno user interface 3 - toolbars
Document tools ( from the left ) - new document - open existing document - save document - copy - print active window - print preview
Bruno tools ( from the left ) - selection - make connection - zoom in/out - active window flowsheet - active window fraction curve - active window result list - calculate - help
Bruno user interface 4 - palette
Bruno devices ( from the left ) - feed - feeder - primary and secondary gyratories and cone crushers
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jaw crusher fine gyratories and cones horizontal shaft impactor vertical shaft impactor
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my crusher screen silo and node
product pile stock pile stock feed add text add picture
Bruno devices - Feed
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Define:
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feed rate feed material feed gradation
Double click on the symbol to open Feed dialog
Bruno devises - Feed •
Feed Rate will be given as t/h (or st/h if imperial units are selected)
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If Feed Rate has been set 0, Bruno calculates the top capacity of the process
Bruno devises - Feed • • •
Select material from the list
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Material data button opens Material data window, where you set material properties
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Click help if you want to know description of the properties
The default material is granite Select My material if you want to define your own material
Bruno devises - Feed •
Select feed gradation from the list
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Feed gradations are defined by top particle size 200mm 2000mm
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There are three basic gradations for every size
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fine medium coarse
To define own feed gradation select MyFraction and click Insert MyFraction button
Bruno devises - Feed •
General interleaf is for entering Plants name and other info about the process
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The information appears on the flowsheet below Metso’s logo in the Plant and Info fields
Bruno devises - Machines
• A crushing plant includes typically typically feeders, crushers and screens for material processing
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Like in real life the machines’ operating parameters have to be set also in Bruno
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In Bruno the basic structure of the machine dialogs is the same regardless of the machine
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The settings vary from machine to machine, but the important settings are gathered to the first interleaf
Bruno devises - machine dialog •
Machine selection and settings
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type model machine specific settings
Nominal operating parameter limits are shown in the data field on the right
Bruno devises - machine dialog •
Calculation can be fine tuned with user definable factors on interleaves
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Help on each interleaf provides detailed information about the effect of the factors
Bruno devises - feeder and screen •
Feeders and screens typically divide material flow into 2 - 5 fractions
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Pan feeders just transfer material without changing gradation
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Double click the symbol to open machine dialog
Bruno devises - crushers •
Crushers main function is to reduce feed material particle size
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Crushers’ performance depend on the type and size
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Double click the symbol to open machine dialog
Bruno devises - others •
There are some other process devises available in Bruno
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product pile stock pile stock feed node/silo
My Crusher
Bruno devises - others
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Product
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Stock pile
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needed after stock pile to define feed properties
Node/silo
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intermediate storage pile, which can feed an other process
Stock feed
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the last part of every process
node/silo divide material flow into 2 - 4 sections by mass flow node with volume is called silo
My Crusher
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generic crusher defined by the user
Opening document • •
Every time you start Bruno an empty document opens first You can open existing document instead
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Click Open in the toolbar
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Select the document (.brn) in normal file explorer window
Configuring a process
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add all the machines of the process on on the flowsheet define process flow set the machine settings
Rules:
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there must be at least one feed and one product in every process
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all the machine inputs and outputs must be connected
Adding machines 1 •
Select a machine from the toolbar by clicking a button
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move cursor to the drawing area and it changes into a wire frame picture of the selected machine
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click right mouse button to drop the machine
Adding machines 2
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Machine symbols can be moved on the flowsheet
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when cursor is on the black rectangle and right mouse button is pressed, the symbol can be moved.
click right mouse button on a machine or near a machine and the symbol colors become negative
Process flow
• After adding all the needed machines machines the process flow has to be defined
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First select connection tool
Process flow 2 •
Connect machines from machine output to machine input.
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Output is marked with a square and input with a circle
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click on a square and move the cursor onto circle and click
Device settings •
Double click each devise to open the dialog and make settings
Calculate a process • •
Click calculate in the toolbar
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Bruno gives a warning if:
The calculation progress is shown in the bottom left corner
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all the flows are not c connected onnected
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there is no feed and/or product in the process
flows are connected wrong
some device settings are not set
Calculate a process
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Bruno gives warning also if the algorithm can not calculate a result
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Typical warnings are
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Closed circuit does not converge = some material fraction can not be removed from the loop causing continuously increasing flow rate.
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Too many loops finding top capacity = the maximum number of iterations has been reached.
Solution: some machine parameters have to be changed.
Results
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The calculation results are divided in three sections
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warnings results on the flowsheet fraction curves result list
Warnings
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If needed warning window opens after calculation Warnings give indication of exceeding nominal operating parameters of the machines
Results on the flowsheet -
Material flows screen efficiency
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F80/P80 crushing ratio
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crusher load
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product percentages of the feed
Practice 1, Draw Bruno Flowsheet • • • •
Select equipment Connect equipment Layout Right-angles in connections
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Click here to see the solution
Modifying flowsheet
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Select Options menu and display options to modify flowsheet
Fraction curve
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Select process flow and open fraction curve window to see the particle size distribution of the flow.
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To select more than one flow keep shift button pressed and select as many flows as you need.
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Note! More than two curves in the same window makes the diagram difficult to read. See for your self .
Result list •
Click result list in the toolbar to open the results
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Results list contains the same information which is displayed on the flowsheet and other calcutation results depending the selected mode.
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The results follow device numbering
Result list mode •
When result list is open, user can choose from two display modes
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normal report extended report
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Extended report is more detailed than normal report
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The report mode is shown beside the window name
Save the document •
To save the document click save button in the toolbar
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the procedure is the same as in any Windows program
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If the document is saved for the first time, the document name and directory location have to be defined.
Help
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Bruno’s help is divided into general section and machine section
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To open the general section click help button in the toolbar
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Machine helps are opened by clicking help button in a machine dialog
General help
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The general help is designed to give information about the whole program and the features common for all the devises
Machine help
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The machine help contains instructions on problems with using Bruno; for example entering parameters.
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Example: How does My factor for capacity effect?
Click help
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© Metso Minerals, Inc.
Machine help
Machine help
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Help sections are linked together More detailed information about calculation and other model characteristics are described in general help
Getting help
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If problems occur that can not be solved with the instructions in Bruno’s help, contact Bruno administrators.
[email protected]
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Describe:
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What did you want to do? How did you try to do it? What happened?
Exercise 2, Two stage crushing plant
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Please make Bruno simulation for the following crushing plant need:
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Feed material:
hard gneiss, Crushability 28 % abrasion index 0.7 (1400 g/ton)
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Feed size:
0-600 mm medium
Capacity:
200 tph
Products sizes:
0-5, 5-20 and 20-40 mm
Click here to see the solution
Ejercicio 1 -
Material de Alimentación: Minerio polimetálico Densidad aparente: 1.9t/m3 Wi: 15kWh/st Tamanho de alimentación: 800mm promedio Producción: 20.000t/día Regímen de operación: 24h/dia
Producto: 10mm (P80) Alimentación a molienda
Ejercicio 2 -
Material de Alimentación: Minerio de cobre Densidad aparente: 1.6t/m3 Wi: 17kWh/t Tamanho de alimentación: 1000mm fino Producción: 30Mt/a Regímen de operación: 24h/d, 365d/a
Producto: -13mm Lixiviación
