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Electric heaters made by elwatec
Electric heaters are used for heating of all liquid media as well as for evaporation of liquids.
They are used, for example, in the petrochemical and chemical industries, in the automotive, paper and cement industries, by manufacturers of lubrication systems, i.e. in all industries where the heating of liquids is required.
Electric heaters allow heating to high temperatures without significant loss of performance due to scale formation, and the temperature range can be easily controlled.
In addition, combining an electric heater with a conventional heat exchanger can open up new opportunities for use.
Manufacturing example of electric heater for liquids
elwatec designs and manufactures the following types of electric heaters:
Electric heaters for liquids
Electric heaters for liquids are most often found in heavy industry and are also used by energy supply companies.
READ MOREElectric heaters for gases
Electric heaters for gases are used in the petrochemical, oil and gas processing industries for preheating and improving gas quality.
READ MOREElectric heaters as evaporator
Electric heaters as evaporators are most commonly found in the pharmaceutical industry and are also used by energy companies.
READ MORECONTACT US!
We are designing and manufacturing the electric heaters according to customers' specifications
Working media of electric heaters
Working media of the electric heaters can be liquids or gases, such as air, nitrogen, hydrogen, hydrocarbons, argon, oxygen, etc., or e.g. the following liquid media: water, oils, thermal oils, water-glycol mixtures.
All our electric heaters can be used for heating of all flowing media as well as for evaporation of liquids, i.e. in all industries where heating of operating media is required. They can be installed anywhere: outdoors, indoors and in potentially explosive areas.
Our devices can be used for temperatures up to 1100 °C and pressure up to 350 bar. At the same time, there is no upper limit for the power (total power consumption) of the heaters.
We have repeatedly produced devices in the range from 1kW to 8000kW.
When designing electric heaters, we are guided exclusively by customer requirements.
Design codes
Electric heat exchanger could be designed, manufactured and tested by elwatec in accordance to the following design codes:
- DGRL
- ASME VIII Div. 1
- CHINA-License
- UDT
- GOST / EAC
Others on request.
Material
Electric heaters are available in:
- carbon steel
- seamless steel
- titan
- duplex steel
- various special steel edition
Approval according to Ex standard
Nothing stands in the way of using our products in potentially explosive atmospheres thanks to our ATEX certification.
Our devices are approved for use in explosion risk areas 1+2, gas group IIA-IIC and temperature classes T1-T6 according to the operating principle.
Some advantages of electric heaters made by elwatec Wärmetechnik
This is what characterizes our electric heaters:
- supplied power is converted at 100%
- high outlet temperatures and complex temperature curves are possible
- heat output up to more than 6.5 MW
- outlet temperatures up to 1,100°C; operating pressure up to approx. 350 bar
- supply voltages for three-phase current up to 690V, for direct current up to 1,100V
- any temperature between outlet temperature and inlet temperature can be approached exactly
- mass flow fluctuations from 0 to 100% are possible with exact control of the outlet temperature
Some examples of manufactured electric heaters
01. electric heater for gases
Process Data
- Fluid: Natural gas mixture
- Flow rate: 16.250 bis / up to 4.500 Nm³/h
- Inlet temperature: 35 max. 125
- Outlet temperature: 300°C .
- Process pressure: 40 bis/up to 85 bar g
02. Electric heater for air
Application:
- Medium: Air
- Application: Super heat of air
- Inlet temperature: 270°C
- Outlet temperature: 530 °C
- Power: 2760 kW
- Protection class: IP 54
03. Electric heater for nitrogen or steam
Application:
- Medium: Nitrogen or steam
- Inlet temperature: min. 40°C max. 125°C
- Outlet temperature: 295°C / 260°C
- Power : 360 kW
04. Electric heater for air
Application:
- Medium: Nitrogen or steam
- Inlet temperature: min. 40°C max. 125°C
- Outlet temperature: 295°C / 260°C
- Зower : 360 kW
05. Electric heater for air / gas mixture
Application:
- Medium: air
- Inlet temperature: min. 40°C max. 125°C
- Outlet temperature: 300 °C
- Power: 325 kW
06. Electric heater for air
Application:
- Medium: Air and Gas
- Inlet temperature: min. 40°C max. 125°C
- Outlet temperature: 350 °C
- Power: 485 kW
07. Electric heater for air
Application:
- Medium: air
- Inlet temperature: min. 40°C max. 125°C
- Outlet temperature: 300 °C
- Power: 325 kW
08. Electric heater for air
Application:
- Medium: air
- Inlet temperature: min. 40°C max. 125°C
- Outlet temperature: 300 °C
- Power: 325 kW
09. Electric heater for air
Application:
- Medium: air
- Inlet temperature: 20°C
- Outlet temperature: 80 °C
- Power: 7 kW
10. Electric heater for air
Application:
- Medium: air
- Inlet temperature: 20°C
- Outlet temperature: 700 °C
- Power: 1000 kW
11. Electric heater for steam
Application:
- Medium: steam
- Holdtemperature: 350°C
- Power: 24 kW
12. Electric heater for steam
Application:
- Medium: steam
- Holdtemperature: 350°C
- Power: 24 kW
13. Electric heater for hydrogen
Application:
- Medium: Hydrogen
- Inlet temperature: min. 20°C
- Outlet temperature: 190 °C
- Power: 24 kW
- Protection: II 2G EExe IIC T1, IP 66
15. Electric heater for air
Application:
- Medium: Air
- Application: Process gas air heater via gas burner
- Inlet temperature: min. 70°C
- Outlet temperature: 350 °C
- Power: 410 kW
- Protection: IP 54 / II 2G EExe IIC T6 for gas line
16. Electric heater for air
Application:
- Medium: Air
- Inlet temperature: min. 80°C
- Outlet temperature: 150 °C
- Power: 60 kW
- Protection: II 2G EExe IIC T2, IP 66
17. Electric heater for air
Application:
- Medium: Air
- Inlet temperature: min. 80°C
- Outlet temperature: 150 °C
- Power: 60 kW
- Protection: II 2G EExe IIC T2, IP 66
18. Electric heater for nitrogen
Application:
- Medium: Nitrogen
- Application: heat up of regeneration gas
- Inlet temperature: min. 40°C
- Outlet temperature: 300 °C
- Power: 1150 kW
- Protection: II 2G EExe IIC T3; IP 66
19. Electric heater for natural gas or steam
Application:
- Medium: Natural gas or steam
- Application: heat up of process gas / heat on
- Inlet temperature: 280 / 200°C
- Outlet temperature: 580 / 750 °C
- Power: 4x 34 = 136 kW
- Protection: II 2G EExe IIC T3; IP 66
21. Electric heater for steam
Application:
- Medium: Steam
- Application: Super heat of steam
- Inlet temperature: 300°C
- Outlet temperature: 560 °C
- Power: 330 kW
- Protection: IP 54
22. Electric heater for oil
Application:
- Shell side: oil
- Tube side: Water
- Application: Oil Cooler
- Inlet temperature: 95°C Oil
- Inlet temperature: 20°C Water
- Outlet temperature: 45°C Oil
- Outlet temperature: 30°C Water
- Power: 25 kW
23. Electric heater for air and nitrogen
Application:
- Medium: Air + Nitrogen
- Application: Heat up of medium
- Inlet temperature: 70°C
- Outlet temperature: 1050°C
- Power: 3x 8 kW = 24W
- Protection: IP 54
24. Electric heater for air
Application:
- Medium: Air
- Application: Super heat of air
- Inlet temperature: 270°C
- Outlet temperature: 530°C
- Power: 2760 kW
- Protection: IP 54