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WoodSmartTM has been developed to control the entire debarking process in order to stabilize production and optimize the degree of cleanliness and
yield of produced chips. The on-line measurement of key process parameters enables total optimization of the debarking process from the drum filling
degree and the bark content of logs to chip quality.
The system calculates continuously the best control variable values for debarking and maintains the wood flow high and as stable as possible. WoodSmartTM can be installed in any existing or new woodrooms.
The innovative WoodSmart™ system is designed to optimize the entire debarking process. Teknosavo’s modern technology system generates significant savings in energy and raw material costs and maximizes the quality of the entire production process from gate to a digester. The WoodSmart™ system features five Smart measuring instruments that monitor various aspects of the process in real-time. With laser and camera technology, based on carefully measured process variables, the system calculates the best values for debarking. This ensures optimum driving performance, making production stable and efficient from one shift to another.
RAW MATERIAL SAVINGS
Correct log cleanliness, drum filling degree and retention
time reduces wood losses in debarking.
ENERGY SAVINGS
The system optimizes deicing energy consumption.
INCREASED PRODUCTION
Stable wood flow through the debarking drum decrease unexpected shutdowns.
BETTER CHIP QUALITY
Minimal bark content on logs and, stable wood flow, results in optimal chipping conditions.
INCREASED EFFICIENCY
All working shifts have the same productivity level.
The following are included in
ON-LINE MEASUREMENT SYSTEM
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BarkSmart is an optical bark measurement device which continuously measures the percentage of bark in relation to the wood surface on logs after the debarking drum. The system provides real-time analyses of the log measurement data and sends the cleanliness degree data to the control room for operators. The data can be used in debarking control so that the logs will be debarked to the desired optimum standard of cleanliness. Correct log cleanliness reduces chemical costs during pulp processing as well as wood loss in debarking. In addition, more accurate cleanliness data enables more accurate control of debarking for different seasons – significant savings can be acquired even with small reductions in use of energy, chemicals and raw material.
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ProfiSmart is an optical measurement device that continuously measures the share of wood in relation to bark on the bark conveyor. The system provides real-time analyses of the bark measurement data for operators. The data can be used to control debarking so that unnecessary wood loss can be minimized – more accurate data enables more accurate wood quality control. ProfiSmart system consists of a camera unit and a PC unit including analysis software. The camera acquires image data from the bark flow and sends the data to the PC unit for a color analysis. The result shows the percentage of wood content in the bark flow. The bark and wood measurement data can be connected to the WoodSmart process optimization system, to the wood room automatic main control system or shown in the control room on a separate display. The system provides automatic calibration and cleaning.
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FillSmart is an optical camera- or laser-based drum filling degree measurement system. The system provides real-time analysis of the image data and sends the drum filling degree information to the control room for operators. The data can be used in controlling the correct drum filling degree in order to minimize fiber loss in debarking process. The biggest benefit of the optical drum fill measurement is that changes in wood quality do not affect the realistic filling degree value. Fresh large-sized birch and dry softwood are typically very challenging for the traditional filling degree measurement based on weighing or hydrostatic pressure gradient measurement. With FillSmart, measurements can be calibrated according to wood species and quality.
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StoneSmart equipment consists of an acoustic sensor installed in the rotating spike roll end on the drum chipper line and a control box. The measurement result can be used directly to stop the line, or the data can be connected to a higher system. The basic solution consists of two sensors, but for demanding conditions, several sensors can be installed in the same drum chipper line. The StoneSmart stone detector system is adjusted parametrically and monitored via convenient PC program.
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SoundSmart equipment consists of a sensor plate installed in the material flow and a control box. The measurement result can be used directly to control the actuator or sent to a higher system. In case the amount of material flow is large, several sensors can be installed in the same production line . The SoundSmart system is adjusted parametrically and monitored via Windows-based custom PC software.
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The laser measuring device for logs was developed to measure wood flow on the drum chipper line. The device measures the diameter, sweep and log volume before chipping to prevent chipper chute plugs. If too much wood is simultaneously fed to the system, for example a log is too big in diameter or too crooked, or two parallel logs, the system alarms and stops the line. The alarm and measured data is sent to the debarking control system, as well as to the WoodSmart process optimization system which visualizes them on the monitor of the control room.
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The laser measuring device for log measurement was developed to measure wood flow on the drum infeed conveyor. The device measures the diameter, length, volume and wood level before debarking process. With precise wood material flow information, the debarking process can be optimized to the highest performance.
The following are included in
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QS Measurement system measures a small selected sample (1-2 %) of wood fed to the debarking feed table with laser measuring devices and camera units. Integrated into the production line, QS Measurement creates savings as the need for manual work is significantly reduced. Without slowing the speed of the conveyor, the system measures the wood and sends the data and images to the measurement station for log analysis.
QS Measurement informs operator from logs that do not fulfill the size limit or that have technical or quality defects, for example rot. In unclear assessments, the operator can manually make a quality decision that the QS Measurement then saves for future reference. With homogeneous raw material and high quality fibers, costs are reduced by minimizing material and energy consumption in the process.
The following are included in :
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ReportSmart is a Windows-based application that is used for reporting purposes in the WoodSmart wood room optimization system at pulp and paper mills. This application consists of data collection and visualization of desired process parameters. Measured values can be followed via chart displays in real time. It is also possible to look through the stored data in the database. If needed, the information can be exported to spreadsheet programs, such as MS Excel.
Other properties of the ReportSmart application are for example disturbance data management and manual input of data, including post-correction, as well as making customized Web- and MS Excel-based reports. ReportSmart is in fact a part of the information system for operators and management (MIS). This software is independent of hardware manufacturers due to its OPC interface.
The following are included in
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QS Measurement system measures a small selected sample (1-2 %) of wood fed to the debarking feed table with laser measuring devices and camera units. Integrated into the production line, QS Measurement creates savings as the need for manual work is significantly reduced. Without slowing the speed of the conveyor, the system measures the wood and sends the data and images to the measurement station for log analysis.
QS Measurement informs operator from logs that do not fulfill the size limit or that have technical or quality defects, for example rot. In unclear assessments, the operator can manually make a quality decision that the QS Measurement then saves for future reference. With homogeneous raw material and high quality fibers, costs are reduced by minimizing material and energy consumption in the process.
The following are included in :
_________________________________________________________________________________________
ReportSmart is a Windows-based application that is used for reporting purposes in the WoodSmart wood room optimization system at pulp and paper mills. This application consists of data collection and visualization of desired process parameters. Measured values can be followed via chart displays in real time. It is also possible to look through the stored data in the database. If needed, the information can be exported to spreadsheet programs, such as MS Excel.
Other properties of the ReportSmart application are for example disturbance data management and manual input of data, including post-correction, as well as making customized Web- and MS Excel-based reports. ReportSmart is in fact a part of the information system for operators and management (MIS). This software is independent of hardware manufacturers due to its OPC interface.
The innovative WoodSmart™ system is designed to optimize the entire debarking process. Teknosavo’s modern technology system generates significant savings in energy and raw material costs and maximizes the quality of the entire production process from gate to a digester. The WoodSmart™ system features five Smart measuring instruments that monitor various aspects of the process in real-time. With laser and camera technology, based on carefully measured process variables, the system calculates the best values for debarking. This ensures optimum driving performance, making production stable and efficient from one shift to another.
RAW MATERIAL SAVINGS
Correct log cleanliness, drum filling degree and retention
time reduces wood losses in debarking.
ENERGY SAVINGS
The system optimizes deicing energy consumption.
INCREASED PRODUCTION
Stable wood flow through the debarking drum decrease unexpected shutdowns.
BETTER CHIP QUALITY
Minimal bark content on logs and, stable wood flow, results in optimal chipping conditions.
INCREASED EFFICIENCY
All working shifts have the same productivity level.