The steam flow coming from the plant is conveyed to the nozzle under test by opening a valve. Pipes are insulated for safety and thermal efficiency reasons. It consists of three pipes mounting three different nozzles. The unit can be used with steam plants or with any other steam source at the pressure of 10 bar approx. It is supplied together with technical manual and exercise book. The Steam Nozzle Training Unit has been designed to enable students to perform steam flow tests with nozzles of different type.
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The boiler, with its attendant mains water make up tank, feed pump, steam main, blowdown, drain and feedwater connections is housed in a self-contained unit. Steam Boiler Bench consists of a sturdy framework and panels of all steel construction, fitted with a student work surface, interconnecting back panel and adjustable feet. Adjacent and connected to the framework is an electric steam boiler of 36 kW rated output. The student desk unit contains a control box with an electric power supply isolator and instrumentation to read steam and water temperatures and also to display the electrical energy consumed in kWh. All piping and wiring required to connect the boiler to the steam benches is supplied. The heat input to the boiler is provided by specially designed electrical resistance immersion elements run at a low power density in order to give a long operational life.
Experimental Capability:
To assess the heat loss from a boiler at a given steam output pressure
To determine the boiler evaporation capacity and equivalent evaporation
Boiler efficiency trial.
Steam sterilization kills microbes effectively and is often viewed as the gold standard of healthcare sterilization methods. For sterilization of full solid, porous, hollow A and B, plastics, rubber, unwrapped, bagged, single or double wrapped. Not designed for sterilization of liquids, food stuffs or waste. Steam sterilizers use pressurized steam to generate moist heat to eliminate viable microbes from non-heat-sensitive medical devices, including heat-tolerant products used for surgical and general patient care.
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The boiler water feeding is got from the mains by means of a embodied circulation pump rated at 0.55 kW and electrical valve. The automatic steam generator has a 9 kg/h production capacity, at 4.5 bar pressure. The most relevant protections and warning system are also considered, such as the level indicator, pressure switches, safety valves, manometer and warning lights. The heating of the water occurs by means of three resistors with a global electric power of 7 kW.
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Steam sterilization kills microbes effectively and is often viewed as the gold standard of healthcare sterilization methods. For sterilization of full solid, porous, hollow A and B, plastics, rubber, unwrapped, bagged, single or double wrapped. Not designed for sterilization of liquids, food stuffs or waste. Steam sterilizers use pressurized steam to generate moist heat to eliminate viable microbes from non-heat-sensitive medical devices, including heat-tolerant products used for surgical and general patient care.
The sterilizer is suitable for wrapped, unwrapped, solid and hollow items as well as porous loads such as drapes and gowns.
The unit fitted with a front-loading door.
The unit is provided with a minimum of three (3) internal shelves.
The unit has a standard program at 2.2 bar at a temperature of 134°C.
The unit has a standard program between 1.0 and 1.1 bar with a temperature between 118 – 121°C.
The internal chamber made from stainless steel 316Litre.
The internal chamber has a volume of 40 Litres or more.
Vacuum relief line should be filtered with ≤0.3 µm pore size to allow sterile air into chamber.
The unit is fitted with a safety lock on the front door, preventing the door to be opened when the unit is under pressure.
The unit provided with an internal water tank with a capacity of 4.2 litre or more.
The unit is designed and constructed in such a manner that it is able to withstand frequent disinfection with hospital-grade products.
The unit is able to function on a single-phased power grid.
The unit equipped with a steam generator.
The unit is designed in such a way that outer surfaces remain at safe temperatures when the unit is in operation.
Power requirements: 240 Volts - 50/60 Hz (A 110 Volt unit is not available).
DISPLAY FEATURES
The unit is fitted with a front panel providing information on the unit.
The display indicates:
The current internal temperature.
The current internal pressure.
The time until the programme is finished.
Any alerts or alarms.
The ongoing cycle.
ALARM AND SAFETY FEATURES
Alarms are audible as well as visual.
Alarms are available for/when:
Low water.
Door not closed.
Temperatures are about to reach limits of the equipment.
Pressures are about to reaching limits of the equipment.
Exceeding high temperature limit.
Failed cycles.
Power failure
The unit is provided with an over-pressure safety valve and an over-temperature safety system.
A notification that the end of sterilization cycle has been reached.
The Steam Power Plant is specifically designed for training purposes in the field of power plant engineering with process control systems. The system operates very similarly to real large-scale plants due to the high degree of complexity.
The entire system is monitored, actuators regulated and controlled, measurements recorded and displayed via the process control system. Large process engineering systems, such as steam power plants, are managed with process control systems (PCS).
Features:
Plant monitored and controlled via touch screen control station
Complete laboratory-sized steam power plant
Process control system based on Ethernet and PLC.
Shell & tube heat exchanger for studying the convective heat transfer between steam andwater in counter flow
Safety valvein the hot water tank for safe operation
Measurement of temperatures, pressures, flow rate and condensate volume
Steam volumecontrolled by thermostatic valve
Precise determination of the steam volume by measuring the condensate volume
Additionalmanual valve for the introduction of heating steam into the shell & tubeheat exchanger
Features:
Thermostatics team regulation
Convectiveheat transfer between steam and water
Due to the size and complexity of the system, in many aspects the operating behaviour corresponds to that of actual large-scale plants, thereby enabling training that is as close to the real thing as possible. The Steam Power Plant is specifically designed for training purposes in the field of power plant engineering with process control systems. The plant consists of four separate modules and can therefore be flexibly adapted to the space available in the laboratory:
The feed water circuit is equipped with a water treatment system with ion exchangers and chemical dosing. Module A steam generator assembly: a gas/oil-fired once-through steam boiler and a downstream electric super heater generate superheated steam.
Features:
Plant monitored and controlled via touch screen control station
Complete steam power plant with process control system based on Ethernet and PLC.
A steam power plant essentially consists of a heat source for generating steam, a turbine with load, and a cooling mechanism for condensing the steam. In steam power plants, thermal energy is first converted into mechanical energy and then into electrical energy.
Features:
Closed steam-water circuit
Complete laboratory-sized steam power plant.
The Steam to Water Heat Exchanger is self contained and designed for bench top use having it own steam generator and condenser tubes housed in a thick walled glass cylinder.
A differential pressure manometer also allows the pressure drop due to velocity to be investigated in each configuration.
The tubes may be connected in a single, double or four pass configuration and full instrumentation is provided for the investigation of the thermal performance in each configuration.
Experimental Capabilities:
Demonstration of the increase in Steam to Water Heat Exchanger effectiveness due to increasing the number of tube passes at constant flow rates.
Visual demonstration of filmwise condensation and nucleate boiling.
Investigation of the saturation pressure/temperature relationship for H2O at low pressures.
Investigation of the effect of increasing flow velocity and the number of tube passes on the overall heat transfer coefficient.
Measurement of the effect of coolant flow velocity and the number of tube passes on pressure drop.
The Steam Electrical Generator Trainer uses a natural gas boiler to generate steam which is then expanded in a steam turbine, converting the heat energy of the steam into electrical energy via the turbo-generator. Steam Electrical Generator Trainer demonstrates the conversion of stored chemical energy to electricity the primary method of generating electricity used today. The Steam Power generation Thermodynamics Trainer is purpose designed and built for hands-on education and training on topics related to steam generation, power generation and control.
Steam Electrical Generator Trainer is a real system that generates electricity from a natural gas fuel on a small scale. Steam Electrical Generator Trainer is mounted complete on a single skid allowing for compact installation. Industrial type process components, process measurement and control devices have been used throughout the trainer to provide the student with a realistic training experience using equipment common to industry. In every other respect the system is designed, operated, controlled, and maintained in the same way as the full-scale industrial electrical generating facilities.
Rankine Cycle Steam Turbine Includes instrumentation to record all relevant temperatures, pressures, cooling water and gas flows, turbine speed and turbine brake load. A bench top Rankine Cycle Steam Turbine with electric fired boiler, throttle valve, impulse turbine, sub-atmospheric water cooled condenser and boiler feed pump.
Experimental Capabilities:
Investigation of turbine torque/speed and power/speed characteristics.
Investigation of steam quality by throttling.
Investigation of a true Rankine Cycle Steam Plant.
Determination of friction losses at various exhaust pressures.
With the optional power generation module demonstration of electrical power generation.
Determine of cycle thermal efficiency based on shaft power.
-lab-2115731779.jpg "U Steam Generator (3 kW)")
U Steam Generator (3 kW)
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Easy and safe access for maintenance and inspection, with door isolator to the main electrical enclosure.
A floor-standing continuous steam generator.
Solid state level control on feed water tank.
Splash proof electrical enclosure and switches.
Manufactured in accordance with Module G of the European Pressure Equipment directive.
A comprehensive instruction manual.
Incorporates a low pressure steam feed line including a VeeReg isolating valve, a 1 to 3 bar pressure reducing valve, a pressure relief valve set at 3.5 bar and temperature and pressure measuring points; a process fluid circuit constructed from high strength borosilicate glass components, including a reboiler equipped with a temperature measuring point, a separator with a rubber filler stopper and outlet baffle plate, a condenser, a drain valve, joint couplings and joint gaskets, reboiler blowdown pipework fitted with a flexible stainless steel braided hose complete with boiler joint adaptor flange and including a Vee-Reg isolating valve, steam trap and non-return valve; condenser cooling water feed line complete with control valve and pressure measuring point and cooling water drain line with non-return valve and pressure safety valve, set to vent at 2.5 bar. Process Plant Steam Bench consists of a sturdy framework and panels of all steel construction, fitted with a student work surface, interconnecting back panel and adjustable feet.
Experimental Capability:
Demonstration of cumulative effect on thermosyphon reboiler boiling rate, and of the boiling off of process fluid lighter fractions.
Demonstration of a thermosyphon reboiler, using water as the process fluid and steam as heating fluid.
A device designed for total elimination and/or inactivation of microorganisms from medical devices and related products using pressurized steam (i.e., moist heat) as the sterilizing agent; it is used for products non-sensitive to high temperature, water, or steam. The device comes without a heating source and can be heated through a kerosine stove, electrical heater or even an open fire. It includes a treatment chamber with an inner container, it may be intended to sterilize wrapped and/or unwrapped devices.
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The boiler produces steam to turn a two-cylinder steam motor. The used steam from the motor outlet passes through a mains water-cooled condenser, then down to a waste tank or to a measuring vessel (supplied). The equipment includes all instruments needed for the experiments. A mobile frame contains all the parts of the test set. An electric pump draws from a reservoir to deliver water to an electrically-heated boiler. The boiler includes a safety valve, water level gauge and blow-downcock. Thermocouples connect to a digital temperature display to measure and display temperatures at key points in the test set. Athrottling calorimeter allows students to measure the dryness fraction of the steam. Two mechanical gauges show the boiler and engine inlet pressures. These include a band-brake dynamometer with a digital torque and speed display, to measure and display motor speed, torque and power. A meter shows the electrical power supplied to the heaters in the boiler.
A mobile laboratory-scale steam plant for experiments in thermo dynamic principles. It helps students to understand:
Steady flow energy equation
Thermal efficiency and the control surface
Thermodynamic laws of energy conservation
The Willans line
Rankine Cycle Analysis.
The steam engine is supplied with steam from a steam header at a reduced pressure via an overspeed trip solenoid valve and a displacement lubricator from which oil is displaced by droplets of condensed steam into the steam supply to lubricate the engine. Steam Engine Steam Bench consists of a sturdy framework and panels of all steel construction, fitted with a student work surface, interconnecting hack panel and adjustable feet. Engine inlet and outlet steam pressures are indicated on 0-16 bar and -1 to 3 bar Bourdon tube pressure gauges respectively. A control cubicle surmounted by resistive load elements within a separate ventilated enclosure, contains electrical control circuits and is fitted with the control switches and the indicating instruments for engine speed, dynamometer output current and voltage and analogue temperatures which can be selected by an associated multi-position switch. The steam bench comprises a robust single cylinder, double acting reciprocating steam engine driving a dynamometer which enables a calculable, variable resistive load to be easily imposed on the engine. Exhaust steam is cooled by a water cooled, coiled tube type condenser.
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The device comes without a heating source and can be heated through a kerosine stove, electrical heater or even an open fire. A device designed for total elimination and/or inactivation of microorganisms from medical devices and related products using pressurized steam (i.e., moist heat) as the sterilizing agent; it is used for products non-sensitive to high temperature, water, or steam. It includes a treatment chamber with an inner container, it may be intended to sterilize wrapped and/or unwrapped devices.
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Incorporating a typical commercially available steam ejector instrumented for the measurement of temperature and pressure at the steam inlet, suction inlet and delivery outlet. The apparatus is supplied complete with service facilities relating to water supply, blowdown and drainage together with a set of four stainless steel flexible hoses which enable the bench to be connected to other steam benches to form a comprehensive system. Ejector Steam Bench consists of a sturdy framework and panels of all steel construction, fitted with a student work surface, interconnecting back panel and adjustable feet. Two water tanks acting as a suction tank and a delivery tank respectively, are inter-connected in such a way that water can be returned to the suction tank to permit experiments with suction water at varying temperatures. Water supply to the suction tank is via a flow meter.
Experimental Capability:
To investigate the overall efficiency of the ejector.
To investigate the efficiency when used as a pump.
To investigate the efficiency when used as a feed water heater.
