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Products | Thermodynamics, Heating and Sanitary Systems | Power Engines and Machines | ET 850

ET 850

Steam Generator Module

Technical Description

The benchtop unit is intended for operation together with the steam turbine ET 851, but can also be operated independently. The unit comprises a gas heated boiler with superheater, condenser with evacuation unit, condensate and feed water pump, safety devices and instrumentation including an exhaust gas analyser. The instantaneous boiler system delivers steam after a few minutes, max. 8kg/h at 10bar and 225°C. The cyclic process is easy to follow and understand as all components are clearly arranged on the front panel. All measured values are displayed both on the front panel and on a PC via the data acquisition system provided as standard. It is also possible to prepare charts or graphs from measurements with the supplied software. The steam generator is designed in accordance with the German "Technische Regeln Dampf" (TRD) (Technical Regulations for Steam). It is pressure tested and has all the stipulated safety fittings. A supply of mains electricity, water and propane or natural gas is required.

Learning Objectives / Experiments

· Efficiency of a steam generator
· Effect of the air feed on the exhaust gas, burner adjustment
· Setting up energy balances
· Determining the temperature and pressure of saturated steam
· Determination of steam enthalpy
· Determination of the heat transfer coefficient
· Analysis of the steam state in the h-s diagram

Features

Laboratory scale steam generator for wet or superheated steam
Boiler made entirely of stainless steel
Large number of safety features
Contains exhaust gas analyser
PC data acquisition

Available accessories

ET 851 -- Steam Turbine Module

Alternative products

ET 810 -- Single-Cylinder Steam Engine
ET 813.01 -- Steam Generator
ET 830 -- Steam Power Plant

Specification

[1] Benchtop unit w. a gas fired steam generator for wet or superheated steam, a condenser with air ejector and closed feed water circuit
[2] Instantaneous steam boiler, stainless steel
[3] Burner with ceramic combustion chamber
[4] Condenser: thick-walled glass cylinder with water-cooled coil for continuous operation of steam generator; water jet pump to evacuate air
[5] Feed water system with 2 pumps
[6] Measurement of temperature, pressure, flow rate
[7] Exhaust gas analyser
[8] PC data acquisition, software under Windows NT/2000/XP
[9] 230V, 50Hz, 1 phase; cooling water connection

Technical Data

Burner: heating power: 8kW, fuel consumption: 0.7kg/h
Boiler: nominal pressure: 10bar, steam capacity: 8kg/h, steam temperature: 225°C
Measuring ranges: temperature: 5x 0...400°C; pressure: 0...1.6bar / 10...16bar; differential pressure: 0...50mbar; flow rate: gas: 4...20ltr/min / cooling water: 0.4...12ltr/min / feed water: 0.025...0.5ltr/min

Dimensions and Weight

l x w x h : 1300 x 500 x 1100 mm (without flue)
Weight : approx. 90 kg

Connections

230V, 50Hz, 1 phase; gas supply: propane;
cooling water: 2 ltr/min

Scope of Delivery

1 benchtop unit, completely assembled and ready for use, 1 PC data acquisition card with software, 1 narrow necked bottle, 1 exhaust gas analyser, 1 instruction manual

Order Details

061.85000 ET 850 Steam Generator Module