ATENG 10942 — Computer Controlled Batch Enzyme Reactor
(for main items)
- With this unit there are several options and possibilities:
- Main items: 1, 2, 3, 4, 5 and 6.
- Optional items: 7, 8, 9, 10 and 11.
- Let us describe first the main items (1 to 6):
- 1QREC Unit:
Bench-top unit.
Anodized aluminum frame and panels of painted steel.
Main metallic elements made of stainless steel.
Diagram in the front panel with similar distribution to the
elements in the real unit.
- Stirred batch reactor:
Reactor, made of acrylic material and glass, where
the isomerisation reaction takes place. It allows the
- visualization of the reaction, reactor volume: 1.8 l.
Inner coil, made of stainless steel, through which hot
water circulates to favor the isomerisation reaction.
Fixed catalyst basket immobilizes the enzyme, made of
stainless steel.
The reactor includes a water inlet and a water outlet for
the hot water flow system, a drain and a purge valve.
Computer controlled stirrer impeller to increase the efficiency
- of the enzyme-solution mixture, speed: 0 – 200 rpm.
The pH value of the solution can be adjusted by using the
acid/base circuit system.
- Coil heat exchanger:
Reactor, made of acrylic material and glass, where a
small volume of the transferred solution of the reactor
- is cooled. Unit: ATENG 10942
- Exchanger volume: 1.8 l.
Inner coil (of stainless steel) through which the reaction solution circulates.
- Computer controlled stirrer to homogenize the temperature in the heat exchanger, speed: 0 – 200 rpm.
The exchanger includes a water inlet and a water outlet from the refrigeration system, a drain valve
and a purge valve.
- Polarimeter:
The polarimeter allows to measure the angle of rotation of polarized light to determine the
- concentration of glucose and fructose in the solution, angle of rotation, range: ± 45.
- The polarimeter includes two polarimetric tubes of different length: 100 mm and 200 mm.
Computer controlled peristaltic pump to transfer a small volume of solution from the stirred batch
- reactor to the coil heat exchanger; flow: 65 ml/min. the coil heat exchanger; flow: 65 ml/min.
- Four “J” type temperature sensors:
Temperature sensor located at the stirred batch reactor to measure the temperature of the mixture
inside the reactor.
Two temperature sensors located at the coil heat exchanger to measure the temperature of the water
inside the heat exchanger and the outlet temperature of the solution.
Temperature sensor located at the thermostatic bath of the hot water circulation system.
- pH sensor measures the pH of the mixture inside the stirred batch reactor, range: 1 –13.
- Hot water circulation system, including:
Computer controlled pump.
Thermostatic bath, controlled by a PID from the computer.
- Acid/base circuit system, including:
Two computer controlled peristaltic pumps to introduce an acid or base solution into the stirred batch
reactor.
- Two vessels to contain the acid and base solutions, capacity: 1 l.
- Pressure reducer at the water inlet of the coil heat exchanger, range: 0.5 – 6 bar.
Two three-way directional valves, which divert the solution between the polarimeter and the bypass.
Two valves are used to drain the solution from the hot water circulation system and to drain solution from
the coil heat exchanger.
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Complete Technical Specifications (for main items)
- The complete unit includes as well:
Advanced Real-Time SCADA and PID Control.
Open Control + Multicontrol + Real-Time Control.
Specialized Control Software based on LabVIEW.
National Instruments Data Acquisition board (250 KS/s, kilo samples per second).
Calibration exercises, which are included, teach the user how to calibrate a sensor and the
importance of checking the accuracy of the sensors before taking measurements.
Projector and/or electronic whiteboard compatibility allows the unit to be explained and
demonstrated to an entire class at one time.
Capable of doing applied research, real industrial simulation, training courses, etc.
Remote operation and control by the user, as well as remote support from technical
support, are always included.
Totally safe, utilizing 4 safety systems (Mechanical, Electrical, Electronic & Software).
Designed and manufactured under several quality standards.
Optional ICAI software to create, edit and carry out practical exercises, tests, exams,
calculations, etc. Apart from monitoring user's knowledge and progress reached.
This unit has been designed for future expansion and integration. A common expansion is
the Scada-Net (ESN) System which enables multiple students to simultaneously
operate many units in a network.
- QREC/CIB. Control Interface Box:
The Control Interface Box is part of the SCADA system.
Control interface box with process diagram in the front panel and with the same distribution that
the different elements located in the unit, for an easy understanding by the student.
- All sensors, with their respective signals, are properly manipulated from -10V. to +10V. computer output.
Sensors connectors in the interface have different pines numbers (from 2 to 16), to avoid
connection errors.
Single cable between the control interface box and computer.
The unit control elements are permanently computer controlled, without necessity of
changes or connections during the whole process test procedure.
Simultaneous visualization in the computer of all parameters involved in the process.
Calibration of all sensors involved in the process.
Real time curves representation about system responses.
Storage of all the process data and results in a file.
Graphic representation, in real time, of all the process/system responses.
All the actuators’ values can be changed at any time from the keyboard allowing the
analysis about curves and responses of the whole process.
All the actuators and sensors values and their responses are displayed on only one screen in the
computer.
Shield and filtered signals to avoid external interferences.
Real time PID control with flexibility of modifications from the computer keyboard of
the PID parameters, at any moment during the process. QREC/CIB
Real time PID and on/off control for pumps, compressors, heating elements, control valves, etc.
Real time PID control for parameters involved in the process simultaneously.
Proportional control, integral control and derivative control, based on the real PID mathematical
formula, by changing the values, at any time, of the three control constants (proportional, integral
and derivative constants).
Open control allowing modifications, at any moment and in real time, of parameters involved in the
process simultaneously.
Possibility of automatization of the actuators involved in the process.
Three safety levels, one mechanical in the unit, another electronic in the control interface and
the third one in the control software.
- 3 DAB. Data Acquisition Board:
The Data Acquisition board is part of the SCADA system.
PCI Express Data acquisition board (National Instruments) to be placed in a computer slot. Bus
PCI Express.
- Analog input:
Number of channels= 16 single-ended or 8 differential. Resolution=16 bits, 1 in 65536.
- Sampling rate up to: 250 KS/s (kilo samples per second).
- Input range (V)=±10 V. Data transfers=DMA, interrupts, programmed I/0. DMA channels=6.
- Analog output:
Number of channels=2. Resolution=16 bits, 1 in 65536.
- Maximum output rate up to: 900 KS/s.
- Output range (V)=±10 V. Data transfers=DMA, interrupts, programmed I/0. DAB
- Digital Input/Output:
- Number of channels=24 inputs/outputs. D0 or DI Sample Clock frequency: 0 to 100 MHz.
- Timing: Number of Counter/timers=4. Resolution: Counter/timers: 32 bits.
The Data Acquisition board model may change at any moment, providing the same or better
features than those required for the unit.
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Complete Technical Specifications (for main items)
4 QREC/CCSOF. PID Computer Control + Data Acquisition + Data Management
- Software:
The three softwares are part of the SCADA system.
Compatible with actual Windows operating systems. Graphic and intuitive simulation of the
process in screen. Compatible with the industry standards.
Registration and visualization of all process variables in an automatic and simultaneous way.
Flexible, open and multicontrol software, developed with actual windows graphic systems,
acting simultaneously on all process parameters.
Analog and digital PID control.
PID menu and set point selection required in the whole work range.
Management, processing, comparison and storage of data.
Sampling velocity up to 250 KS/s (kilo samples per second).
Calibration system for the sensors involved in the process.
It allows the registration of the alarms state and the graphic representation in real time.
Comparative analysis of the obtained data, after the process and modification of the conditions
during the process. QREC/CCSOF
Open software, allowing the teacher to modify texts, instructions. Teacher’s and student’s
passwords to facilitate the teacher’s control on the student, and allowing the access to different work
levels.
This unit allows the 30 students of the classroom to visualize simultaneously all the results
and the manipulation of the unit, during the process, by using a projector or an electronic
whiteboard.
5 Cables and Accessories, for normal operation.
- 6Manuals:
- This unit is supplied with 8 manuals: Required services, Assembly and Installation, Interface and
Control software, Starting-up, Safety, Maintenance, Calibration & Practices manuals.
- References 1 to 6 are the main items: ATENG 10942 + QREC/CIB + DAB + QREC/CCSOF + Cables and Accessories + Manuals are included
in the minimum supply for enabling normal and full operation.
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