- Description
- Inquiry
SL204 Vapour pressure of water – MarcSTboiler Vocational Training Tools And Equipment Heat Transfer Teaching Equipment
- Description
In a closed system filled with fluid, a thermodynamic equilibrium sets in between the fluid and its vaporised phase. The prevailing pressure is called vapour pressure. It is substance-specific and temperature-dependent.
When a fluid is heated in a closed tank, the pressure increases as the temperature rises. Theoretically, the pressure increase is possible up to the critical point at which the densities of the fluid and gaseous phases are equal. Fluid and vapour are then no longer Distinguishable from each other. This knoSLedge is applied in practice in process technology for freeze drying or pressure cooking.
The SL 204 experimental unit can be used to demonstrate the relationship between the pressure and temperature of water in a straightforward manner. Temperatures of up to 200°C are possible for recording the vapour pressure curve. The temperature and pressure can be continuously monitored via a Digital temperature display and a Bourdon tube pressure gauge.
A temperature limiter and pressure relief valve are fitted as safety devices and protect the system against overpressure.
- Technical details
Specification
Measuring a vapour pressure curve for saturated vapour
Pressure boiler with insulating jacket
Temperature limiter and safety valve protect against overpressure in the system
Bourdon tube pressure gauge to indicate pressure
Digital temperature display
Technical data
Bourdon tube pressure gauge: -1…24bar
Temperature limiter: 200°C
Safety valve: 20bar
Heater: 2kW
Boiler, stainless steel: 2L
Measuring ranges
Temperature: 0…200°C
Pressure: 0…20bar
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase
120V, 60Hz, 1 phase
UL/CSA optional
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[1] examination and comparison of various heat exchanger types
[2] five different types of heat exchangers included in the scope of delivery
[3] finned heat exchanger with fan
[4] operating mode (parallel flow or counter flow) selectable via valves
[5] flow rates adjustable via valves
[6] electromagnetic flow meter
[7] digital displays for temperature, pressure differences and flow rate
[8] hot & cold water benches available for
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[9] water/steam heat exchanger unit and electrical steam
Generator available for further experiments
[10] software for data acquisition via USB under Windows Vista or
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– capacity: 15kW
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– heat transfer surface area: 0,1m²
– heat transfer surface area (coil): 0,17m²
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– capacity: 13kW
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– heat transfer surface area: approx. 2,8m²
– max. flow rate fan: 780m³/h
– max. pressure difference fan: 430Pa
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– heat transfer surface area (vessel): 0,16m²
– heat transfer surface area (coil): 0,17m²
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– differential pressure water: 0…1000mbar
– flow rate: 0…3m³/h
– temperature: 0…100°C
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Function and operating behaviors of a modern heating system with digital heating controller
• Four-way mixer and three-way mixer
• Electric boiler
• 2 circulating pumps, 1 domestic water pump
• 4 different radiators and additional plate heat exchanger with shower system as domestic water consumer
• Colored pipes indicate heating feed and return
• Measurement of temperature, pressure and flow rate
• Boiler, 4 stages: 6/9/12/15kW,
• Max. Feed temperature: 95°C,
• Water tank capacity: 16 ltr
• Circulating pump 3 stages: 60W,
• Max. Flow rate: 60ltr/min,
• Max. Head: 4m
• Domestic water pump: 20W, max. 640ltr/h, max. 0.14bar
• Plate heat exchanger: 3kW, 10 plates
• Measuring ranges: temperature: 3x 20…120°C / 2x 0…120°C / 2x 0…100°C / 4x 0…80°C, pressure: 8x 0…2.5bar, flow rate: 100…1000ltr/h, water meter: 2.5m³/h
“• Manual with theory and experiments
• Size(LxWxH): 1500x900x1700mm
• Weight: 300Kg
a. Heat pump system
b. Compressor : 1HP
c. Condenser : Air-cooled type
d. Evaporator: pin, Tube air-cooled type
e. Evaporator
f. Expansion Valve : manual type
g. Liquid receiver : 1/2HP
h. Accumulator : 1HP
i. Electronic valve : 3/8” nut clamp type
j. Manometer
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m. Electric control module: DC24V
n. Thermostat range: -50℃‾100℃
o. Geothermal system
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[4] flow rate adjustment via valves
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[6] dial-gauge manometer for measurements in turbulent flow
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[8] water supply using base module ( Hydraulic Bench) or via laboratory supply
* Diameter of test pipe : 3.0mm ( Bore)
* Length of test pipe : 524mm
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length: 1000mm – Pipe section 1: acrylic 20×1.5mm – Pipe section 2: steel 1/2″ –
Smooth-bore pipes of various diameters Size – 6mm , 10mm, 17mm
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* Height : 1.05m form the ground level
* Width : 2.25m
* Depth : 0.43m
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Sudden enlargement
Sudden contraction
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Inline strainer
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Pitot Static tube section made of clear acrylic
EXPERIMENTAL CAPABILITIES
Laminar to turbulent flow regimes in pipes
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Learning Objectives / Experiments
– flow measurement
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Specification
[1] investigation of the pressure loss at pipe elements with different changes in pipe direction and materials
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[3] clear panel mounted on a sturdy, movable frame
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Technical Data
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– 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
Differential pressure meter
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Dimensions and Weight LxWxH: 1650x700x1850mmWeight: approx. 100kg
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– determination of pump characteristics, system characteristics and the operating point
Specification
[1] investigation of the pressure losses at contractions, pipe angles, pipe bends, valves and fittings and pipe elements of different diameter
[2] pipe elements are commercially standard components in heating and sanitary engineering
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[6] flow measurement using rotameter
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Pump – 3 stages – max. flow rate: 4,5m³/h – max. head: 6m
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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.
(2) Heat exchange system
