Peralatan Laboratorium
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Afterburner Ashing Furnace ABF
The ABF Afterburner Ashing Furnace is particularly suitable for ashing larger samples or materials such as biomass, which are likely to generate substantial amounts of smoke.
The furnace comprises a large main combustion chamber equipped as standard with a two tier set of sample baskets. The exhaust from the main chamber is processed through a high temperature afterburner designed to further process fumes and smoke.
Standard features
- 800°C maximum operating temperature - ashing chamber
- 28 Litre chamber volume
- Afterburner rated for up to 40 g carbon per ashing load
- Two tier baskets with loading tray and handle
- 3216P1 programmable controller
- Independent control of afterburner temperature up to 950°C
- Silicon carbide shielded wire wound elements
- Supplied with 3-phase supply as standard
Options (specify these at time of order)
- Over-temperature protection (recommended to protect valuable contents & for unattended operation)
- A range of sophisticated digital controllers, multi-segment programmers and data loggers is available. These can be fitted with RS232, RS485 or Ethernet communications
- Optional floor stand
Technical details
Airflow in the ABF 8/28 Ashing Furnace
- Air inlet – air is preheated before entering the chamber
- Air inlet into afterburner to ensure complete combustion
- Air inlet into plenum to cool the gases before entering the extraction fan
- Chimney
- Furnace chamber
- Afterburner
- Extraction fan
- Two tier perforated basket system
Content may be subject to modifications or corrections
Aquatron water still - A4000, A4000D, A8000
Aquatron water still - A4000, A4000D, A8000
High purity pyrogen free output
Low temperature distillate
Operates from any raw water supply
Reservoir level control
Simple conversion to pre-treated feed
Supplied with wall mounting bracket
Safety features allow unattended operation
Simple to clean
Three models are available giving outputs of 4 or 8 litres/hour single or 4 litres/hour double distilled water. The high quality borosilicate glassware coupled with silica sheathed heaters gives pyrogen free distillate of the highest purity from virtually any raw water supply.
The unique condenser design ensures that the droplets of distilled water remain in contact with the cooling coil for the longest possible time ensuring maximum energy transfer. This produces cold distilled water ready for immediate use and pre-heats the boiler feed to increase efficiency.
All glass construction allows rapid descaling using strong mineral acids. A built in "clean" function and integral acid addition funnel make the cleaning operation simple and safe with no need to dismantle any of the glassware. A large bore stopcock with PTFE key is fitted for easy draining of chemicals after cleaning.
A flow sensing device will detect any reduction in the flow of cooling water to below the required level and will turn off the still before it can overheat. Sensing the flow of cooling water rather than its pressure is safer and allows the still to run normally on low pressure supplies down to 3psi (20kPa). As a fail-safe device there is an over-temperature thermostat mounted in the boiling chamber.
The Aquatron is very easy and safe to assemble and maintain. Both the acrylic safety screen and the cabinet lid are removable giving unrivalled access to the glassware components. Screwthreads are incorporated on all water connections so hoses can be fitted and removed easily and safely without risk of breakage.
Every Aquatron® water still is supplied with a reservoir level control.
The control is a simple and effective system which can be fitted to virtually any type of reservoir vessel. It will turn the still off when the reservoir is full and restart it when the level in the reservoir drops as distilled water is removed for use making it fully automatic. water purification
A4000
Produces 4 litres/hour single distilled water. Can operate standing on the laboratory bench or be wall mounted. Supplied with easy to fit wall mounting bracket.
A8000
Produces 8 litres/hour single distilled water, ideal for the larger laboratory. Glassware is enclosed in the same cabinet as the A4000 so can operate standing on the laboratory bench or be wall mounted. Supplied with easy to fit wall mounting bracket.
A4000D
Produces 4 litres/hour double distilled water for higher purity levels. The first stage distillation is carried out in a glassware set mounted at the front of the cabinet allowing easy access for descaling. The distilled water is fed to a second set of glassware mounted at the rear and distilled a second time. The rear glassware is fitted with a level sensor to ensure the heater is only activated when there is sufficient water in the boiler.
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| A4000 | A8000 | A4000D | |
| Output, lhr | 4, single | 8, single | 4, double |
| pH | 5.0 - 6.5 | 5.0 - 6.5 | 5.0 - 6.5 |
| Conductivity, µ Scm-1 | 1.0 - 2.0 | 1.0 - 2.0 | 1.0 - 1.5 |
| Resistivity, mOhm-cm | 0.5 - 1.0 | 0.5 - 1.0 | 0.7 - 1.0 |
| Temperature, °:C | 25 - 35 | 25 - 35 | 25 - 35 |
| Pyrogen content* | Pyrogen free | Pyrogen free | Pyrogen free |
| Water supply | 1 lmin, 3-100psi, (20-700kPa) | 2 lmin, 3-100psi, (20-700kPa) | 2 lmin, 3-100psi, (20-700kPa) |
| Electrical supply | 220 or 240V, 50-60Hz, single phase | 220 or 240V, 50-60Hz, single phase | 220 or 240V, 50-60Hz, single phase |
| Max. power, kW | 3 | 6 | 6 |
| Dimensions (wxdxh), mm | 550x240x410 | 550x240x410 | 550x410x410 |
| Model | Description |
|---|---|
| A4000 | Aquatron water still, 4 l/hr, single distilled, 240V |
| A4000/220 | Aquatron water still, 4 l/hr, single distilled, 220V |
| A8000 | Aquatron water still, 8 l/hr, single distilled, 240V |
| A800/220 | Aquatron water still, 8 l/hr, single distilled, 220V |
| A400D | Aquatron water still, 4 l/hr, double distilled, 240V |
| A4000D/220 | Aquatron water still, 4 l/hr, double distilled, 220V |
Ash Fusibility Test Furnace - CAF G5 Coal & Coke Test Equipment
The CAF G5 is a furnace designed to test ash fusibility, and optionally, the increasingly popular determination of biomass or solid recovered fuels testing.
The coal ash fusibility test furnace conforms to the Standards ISO 540:2008; ASTM D 1857 / D1857M – 04 (2010); DIN 51730:2007-09; DD CEN/TS 15370-1:2006 (biomass) and PD CEN/TR 15404:2010 (solid recovered fuels (SRF)).
The CAF G5’s automatic and continuous recording of digital images allows laboratory technicians to carry out other tasks while the test is in progress, reviewing results later. The new CAF G5 greatly enhances the quality of the recorded images and test results increasing efficiency in laboratories.
The maximum temperature of 1600 °C enables both biomass and coal testing. An optional work tube integrated lighting system is also available when testing low ‘initial deformation’ temperature of SRF or biomass samples.
Standard features
- Analysis software which can be used in fully automatic or manual modes
- Software zoom function to enable accurate post-test analysis of individual samples with improved resolution
- One configurable grid assigned to each test piece
- Temperature controller program set up within the software
- Space saving embedded computer with Windows 7 Embedded Professional software runs future proof firmware
- Default software settings and individual analysis form for coal ash, biomass and SRF
- An optional work tube integrated lighting system when testing low initial deformation temperature of biomass or SRF samples
- Lightweight insulation allows quick cooling permitting multiple tests to be completed during the day
- Automated digital image capture of samples. The frequency of images recorded is set by customer preference, from every 1 °C increment to every 20 °C. The maximum interval for auto analysis is 5°C.
Technical details
View inside
- 1600 °C tube furnace with integral SiC elements
- External link to embedded PC & software
- Flow meters for oxidising, reducing gas flow (dependant on the requirements of the standards)
- 79 mm inner diameter work tube allows more than 6 samples
- Digital camera for fast and accurate image recording
- Gas tight seal for efficient use of gases & safety of operator
- Automatic temperature programmer with multiple PID control
- Gas inlets for reducing, oxidising & purge gasses
- Oxidising or reducing gas selection switch
- Work tube integrated light for use when testing low ‘initial deformation’ temperature of biomass and SRF samples (optional)
Content may be subject to modifications or corrections
Automatic Isoperibol Calorimeter
The 6400 Automatic Isoperibol Calorimeter represents the next evolutionary step in the Parr automated calorimeters. Inclusive and compact, the instrument incorporates a closed loop cooling subsystem into the calorimeter. This subsystem uses a thermoelectric cooler assembly attached directly to a one liter water tank which supplies cooling water to the calorimeter. An external nitrogen pressurized tank is used to supply rinse water to the calorimeter. This model features the fixed bomb and bucket design allowing for automated bucket and jacket fill as well as automated vessel fill and rinse. The 6400 requires one minute of operator time per test, allowing a technician to operate up to four calorimeters simultaneously.
Design Features
Parr Fixed Bomb and Bucket Technology
The 6400 Automatic Isoperibol Calorimeter uses a fixed bomb and bucket design where the bomb and bucket are not removed from the calorimeter during routine operations. This design concept has made it possible to offer unique levels of automation for the entire calorimetric determination not just the data collection and reporting steps. The result of this automation will save approximately five minutes of operator time per test when compared to any removable bomb calorimeter.
Oxygen Charging and Release
The fixed bomb and bucket design allow the oxygen supply to be directed into the head of the bomb at the beginning of each test. The head of these bombs incorporate a check valve which dynamically seals when the bomb is pressurized. At the end of the test, the gases in the bomb are automatically released while the calorimeter is being returned to its starting temperature.
Fixed Bucket
The bucket in these calorimeters has been designed to provide smooth circulation over the surface of the vessel. The design also repeatedly fills the bucket volumetrically. The bomb head closure seals the bucket at the same time the bomb is closed. This unique design minimizes the amount of water required for the test as well as permitting rapid, automatic and repeatable filling for each test. The water heated by the combustion is automatically drained from the bucket at the conclusion of the test and replaced with cooling water to bring the bomb and bucket rapidly back down to the starting temperature for the next test.
Fixed Bomb
The 6400 Calorimeter features the patented closure design of the Parr Fixed bombs. This design allows the user to seal and lock the head into the cylinder with simple one sixteenth turn. The main bomb seal is an o-ring optimized to minimize frictional wear, improving the lifetime of this seal. At the conclusion of the test the inside surface of the bomb is washed to remove the products of the combustion from the bomb. The automation of the bomb washing step eliminates one of the most tedious and time consuming manual operations required with removable bomb calorimeters. Besides the elimination of the drudgery of manually washing the bomb, a not so obvious advantage of the fixed bomb design is that the bomb is always washed as soon as the final temperature can be determined. Generally, this is within 4-5 minutes of the time the bomb is fired. This holds to an absolute minimum the time any acids produced by the combustion can attach to the inner surfaces of the bomb. This has improved the service life of these bombs in comparison to removable bombs.
1138 Oxygen Combustion Bomb
The 1138 oxygen bomb is the standard bomb in the 6400 calorimeter. The 1138 Oxygen Bomb has been redesigned to withstand a higher magnitude of tests. The head is designed with an O-ring groove which is optimized to minimize frictional wear, in turn improving the lifetime of the seal. The bomb head is removable for fast sample loading using the patented Quick Twist-Lock vessel closure design.
The bomb is made from alloy 20; a special niobium stabilized stainless steel selected for its resistance to the mixed nitric and sulfuric acids produced during the combustion process. The 1138CL is made from the halogen resistant Hastelloy G30™. Hastelloy 30™ is an alloy rich in cobalt and molybdenum and is able to resist the corrosive effects of free chlorine and halogen acids produced when burning samples with significant chlorine content. While no alloy will completely resist the corrosive atmospheres produced when burning samples containing halogen compounds, users who intend to test these materials are urged to select the 1138CL Bomb.
These bombs are 250 mL in volume and are rated to a working pressure of 2000 psi. The bombs are hydrostatically tested to 3000 psi and the sample range is ~1g releasing up to 8000 calories per test.
A1450DD Head
Users who wish to achieve maximum through-put with their 6400 calorimeters will want to purchase a spare A1450DD head for their calorimeter. This permits the next sample to be completely prepared and inserted into the bomb as soon as the current test is concluded.
Control Charts
A control chart is a graphical tool which can assist the user in determining whether or not their process is in control. Many standard methods will dictate that a reference sample be measured periodically and the results plotted on a graph. Limits for acceptable values are defined and the process is assumed to be in control as long as the results stay within these limits. Since results are expected to scatter with a normal distribution within established limits, systematic trends or patterns in the data plots may also be an early warning of problems. The 6400 calorimeter provides the user with the ability to instantaneously plot and view standard results with user defined warning and control limits.
Laboratory Requirements
The calorimeter requires a source of 99.5% oxygen, a source of nitrogen or house air at 80 psi, and deionized water.
C-MAG HS 10
C-MAG HS 10
Magnetic stirrer with heating and ceramic heating plate which offers excellent chemical resistance.
- Powerful motor for stirring quantities of up to 15 l (H2O)
- Fixed safety circuit of 550 °C
- Hot Top indicator >> hot surface warning to prevent burns!
- Exact temperature setting via digital display (LED)
- Bushing according to DIN 12878 for connecting a contact thermometer, e.g. ETS-D5, enables precise temperature control
- Digital error code display
- Elevated control panel for protection against leaking liquids
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Accessories – C-MAG HS 10
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