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SS206 Pump Tester Educational Equipment
Description
In practice, several pumps are often installed either in parallel or in series configuration for economic reasons. In parallel configuration the pumps operate in a common pipe. This requires that the pumps used in each case can achieve the same head. Parallel configurations offer the advantage that when demand is low only one pump works and other pumps are switched on as the flow rate increases. In series configuration pumps with equal flow rates are arranged in a row. This arrangement allows the bridging of large heads and is often more cost-effective than the use of a single pump with large head.
studies the cooperation of two centrifugal pumps and illustrates the differences in parallel and series configuration.
The trainer has a closed water circuit and is equipped with two identical centrifugal pumps. The rotational speed of the motors for the pumps can be adjusted via frequency converters. All motors are mounted on swivel bearings so that the drive torque can be measured via a force sensor, allowing the mechanical drive power to be determined. Sensors detect the pressures at inlet and outlet of the pumps. The flow rate is measured by an electromagnetic flow meter. The performance data of the pump and losses in the pipe are calculated and shown in the form of characteristics. Characteristic parameters of pumps are determined from the measured values. Furthermore, students are familiarised with the operating behaviour of centrifugal pumps and can practise the correct way to start up and shut down such a pump system.
The trainer is operated and controlled by the integrated PLC with touch screen. By means of an integrated router, the trainer can alternatively be operated and controlled via an end device. The user interface can also be displayed on up to 10 end devices (screen mirroring). Via the PLC, the measured values can be stored internally. Access to stored measured values is possible from end devices via WLAN with integrated router/ LAN connection to the customer’s own network.
Specification
trainer with 2 centrifugal pumps which are operated in series or parallel configuration
plant control with PLC, operation via touch screen
integrated router for operation and control via an end device and for screen mirroring: possible to mirror the user interface on up to 10 end devices
closed water circuit
drive motors with adjustable speed
motor with pendulum bearing, torque measurement via lever arm and force sensor
inductive speed sensor on the motor
electromagnetic flow meter
data acquisition via PLC on internal USB memory, access to stored measured values via WLAN with integrated router/ LAN connection to customer’s own network
Technical data
PLC: Weintek cMT3092X
2 pumps
max. flow rate: 19,8m3/h
max. head: 23m
2 drive motors
power output: 1,1kW
speed range: 0…3000min-1
Storage tank: 280L
Measuring ranges
pressure (inlet):
pump 1: -1…0,6bar
pump 2: -1…3bar
pressure (outlet):
pump 1: 0…2,5bar
pump 2: 0…6bar
flow rate: 0…600L/min
speed: 2x 0…3000min-1
torque: 2x 0…10Nm
power: 2x 0…2,2kW
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase; 230V, 60Hz, 3 phases
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Technical Data
Measuring sections: 2300mm
– pipe section 1: steel, diameter: 1/2″, 90° pipe angle
– pipe section 2: steel, diameter: 1/2″, 90° pipe bend
– pipe section 3: copper, diameter: 18x1mm,90° pipe angle
– pipe section 4: copper, diameter: 18x1mm,90° pipe bend
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– differential pressure water: 0…1000mbar
– flow rate: 0…3m³/h
– temperature: 0…100°C
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Outlet pressure at pressure reducer: 0.5…2bar
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investigation of the pressure losses of flow through pipes
– measurement of the pressure differential on different pipe sections
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– influence of different materials and surface roughness
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– comparison between experiment and theory
Specification
[1] investigation of friction-induced pressure losses in flow through pipes
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[5] pipe sections can be selected via ball valves
[6] water connections made using quick-release couplings in the inflow and return
[7] flow can be adjusted via valves
[8] flow measurement using rotameter
[9] differential pressure measurement via differential pressure meter with display
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Pipe sections measuring length: 1000mm
– pipe section 1: transparent plastic, diameter: 20×1,5mm
– pipe section 2: steel, diameter: 1/2″
– pipe section 3: copper, diameter: 18x1mm
– pipe section 4: copper, diameter: 15x1mm
Differential pressure meter
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1 Product Overview
1.1 Profile
This product is an extensible educational experiment equipment for students to observe the heating, cooling and air movement of the device during operation. Students can observe the mixing of air and conduct tests to monitor temperature and air pressure. Grasp its control principle and control method, cultivate students’ corresponding knowledge and skills, suitable for higher vocational schools, engineering university, secondary vocational school and technical school related professional teaching and skills training evaluation.
1.2 Feature
(1) The training platform adopts an aluminum column frame structure with a universal wheel at the bottom for flexible movement. The desktop uses a 25mm thick high-density substrate, and the surface is treated with high-temperature and high-pressure fire-resistant panels. The structure is firm and beautiful. The instrument and power supply are integrated and installed, which is easy to use and not easily damaged.
(2) The training platform has a good safety protection system.
2 Technical specifications
(1) Input Power: AC220V±10% 60Hz
(2) Fan: Supply voltage: AC220V/50Hz Power: 1.5kW; Maximum flow rate: 2.160m3/h
(3) Overall dimensions: 2000mm x 750mm x 2100mm
(4) Overall capacity: <2.5KVA
(5) Weight: <100kg
(6) Working conditions: Ambient temperature -10°C to +40°C Relative humidity <85% (25°C)
3 Product introduction
3.1 Power control panel
(1)The power control panel adopts an aluminum alloy frame and a closed box structure, which is integrated with the placement rack below.
(2)Configured with circuit breaker, power indicator, temperature adjustment knob, thermometer, power socket, differential pressure gauge, thermostat and intelligent electrical parameter measuring instrument
(3)The power input is controlled by the leakage breaker and the emergency stop control button is provided. In case of emergency, you press emergency stop button is so as to cut off the power.
3.2 Training workbench
(1)Training workbench:
The training table is supported by aluminum pillars, and the bottom universal wheel has a brake that can be moved and positioned flexibly. The desktop uses a 25mm thick high-density substrate, and the surface is treated with high-temperature and high-pressure fire-resistant panels. The structure is firm and beautiful.
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I.Production profile
The key feature of plate heat exchangers is their compact design, in which optimum use is made of all of the material for heat transfer. The pressed in profile on the plates creates narrow flow channels, in which significant turbulence occurs. The turbulent flow allows effective heat transfer even with low flow rates and also has a self-cleaning effect. Plate heat exchangers are used in the food industry, offshore technology, refrigeration and domestic engineering.
II.Equipment feature
The SR1158E Plate Heat Exchanger is part of a series of units enabling experiments to be performed on different heat exchanger types. The experimental unit is ideally suited for investigating the functioning and behaviour of a plate heat exchanger in operation.
The plate heat exchanger is made up of profiled plates with water flowing through the spaces between them. The plates are soldered in such a way that two separate flow channels are formed. These are one “cold” and one “hot” flow channel, in an alternating arrangement. Part of the thermal energy of the hot water is transferred to the cold water. Valves on the supply unit are used to adjust the flow rates of hot and cold water. The supply hose can be reconnected using quick-release couplings, allowing the flow direction to be reversed. This allows parallel flow or counter flow operationspecification
[1] plate heat exchanger for connection
[2] hot and cold water supply
[3] parallel flow and counterflow operation possible
[4] six soldered plates
[5] recording of temperature
Technical Data
6 plates, stainless steel
Heat transfer area: 480cm²
Dimensions and Weight
LxWxH: 400x230x85mm
Weight: approx. 3kg
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