Interesting facts
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Compression with high-tech
Compressors and fans/blowers
A compressor is a machine that performs mechanical work on a confined gas.
Compressors are used to compress gases.
They increase the pressure and density of the gas. Machines used for transporting gases that perform less compression work are called blowers or fans.
Our compressors and fans meet the highest requirements:
oil-free
ATEX
NEMA
SIL
hermetically gas-tight
reliable
long service life
efficient
economically
The intended use determines the design.
High-performance compressors for every requirement
rotary piston compressor
Applications:
Biogas plants, landfills, and sewage treatment plants (flare blowers, CHP blowers, transport blowers) Special blowers in all industrial sectors Pressure and vacuum applications
Technical specifications:
Pressures 300 - 1,000 mbar gauge
Flow rates 100 - 5,000 m³/h
ATEX 2G/3G for Zones 1 and 2 / IIA, IIB, IIC
Overall efficiency approx. 45 - 50%
Speeds up to approx. 1,000 - 5,000 rpm
Advantages:
- easy to regulate
- Delivery times: 6 - 25 working weeks
Disadvantages:
- high noise level up to 98 dB(A) (high frequency)
- no slippage (not running in its own juices)
- Pre-filtration (recommended)
- medium to poor efficiency
- medium to high price level
- high maintenance effort
screw compressor
Area of application
- Biogas plant, landfill plant, sewage gas plant (flare blower, CHP blower, transport blower)
- Special blowers in all industrial sectors
- Pressure and vacuum application
Technical data
- Pressures 2 - 20 bar overpressure
- Volume flows 100 - 5,000 m3/h
- ATEX 2G/3G for zone 1 and 2 / IIA, IIB, IIC
- Overall efficiency isothermal at approximately 50-65%
- Speeds up to approx. 5,000 rpm
Advantages
- easy to regulate
- dry-running as well as oil-lubricated
Disadvantages
- They usually require clean gas
- high noise level up to 98 dB(A) (high frequency)
- no slippage (not running in its own juices)
- Pre-filtration (recommended)
- medium to high price level
- Delivery time: 10 - 70 working weeks
- high maintenance effort
radial compressor
Area of application
- Biogas plant, landfill plant, sewage gas plant (flare blower, CHP blower, transport blower)
- Special blowers in all industrial sectors
- Pressure and vacuum application
Technical data
- Pressures 80 - 650 mbar gauge
- Volume flow rates 150 - 5,000 m³/h ATEX 2G/3G for Zones 1 and 2 / IIA-IIB-IIC
- Overall efficiency is approximately 40-60%.
- Speeds up to approx. 5,500 rpm
Advantages
- high slippage (running in one's own juices)
- robust machines
- low to medium price level
- ca. 60 - 90 dB(A)
- dry running
Disadvantages
- not easy to regulate
- heavy and large machines
- Delivery times: 6 - 14 working weeks
- poor to medium efficiency
radial compressor
Area of application
- Biogas plant, landfill plant, sewage gas plant (flare blower, CHP blower, transport blower)
- Special blowers in all industrial sectors
- Pressure and vacuum application
Technical data
- Pressures 5 - 170 mbar gauge
- Volume flows 150 - 5,000 m3/h
- ATEX 1G/2G/3G for zone 0, 1 and 2 / IIA-IIB-IIC
- Overall efficiency is approximately 40-55%.
- Speeds up to approx. 6,000 rpm
Advantages
- high slippage (running in one's own juices)
- Robust machines
- low price level
- Delivery times: 2 - 8 working weeks
- ca. 60 - 84 dB(A)
- dry running
Disadvantages
- not easy to regulate
- generally low pressure level
- poor efficiency
radial turbo compressor
Area of application
- Biogas plant, landfill plant, sewage gas plant (flare blower, CHP blower, transport blower)
- Special blowers in all industrial sectors
- Pressure and vacuum application
Technical data
- Pressures 100 - 800 mbar gauge
- Volume flows 150 - 4,000 m3/h
- ATEX 1G/2G/3G for zone 0, 1 and 2 / IIA-IIB-IIC
- Overall efficiency is approximately 60-82%.
- Speeds up to approx. 20,000 rpm
Advantages
- Slippage (running in one's own juices)
- Robust machines
- easy to regulate
- high efficiency
- dry running
Disadvantages
- high noise level up to 104 dB(A)
- medium to high price level
- Delivery times: 10 - 18 working weeks
Rotary vane compressor
Area of application
- Biogas and sewage gas plants (transport and gas injection)
- Special blowers for all industrial sectors
- Pressure and vacuum applications
Technical data
- High pressures 0.5 bar - 4 bar overpressure
- Volume flows 15 - 3,500 m3/h
- ATEX 2G/3G for zone 1 and 2 / IIA-IIB-IIC
- Overall efficiency (isothermal) approx. 55-60%
- Speeds from 950 - 3,000 rpm
Advantages
- easy to regulate
- tolerate very dirty gas
- medium price level
- simple technology
- relatively simple maintenance effort
Disadvantage
- no slippage (not running in its own juices)
- high oil consumption
- high noise level up to 100 dB(A)
- Delivery time: 10 - 20 working weeks
Rotary vane compressor
Area of application
- Biogas and sewage gas plant (transport and gas injection)
- Special blowers in all industrial sectors
- Pressure and vacuum application
Technical data
- High pressures 2 bar - 14 bar overpressure
- Volume flows 60 - 4,500 m3/h
- ATEX 2G/3G for zone 1 and 2 / IIA-IIB-IIC
- Overall efficiency (isothermal) approx. 55 - 65%
- Speeds from 950 - 3,000 rpm
Advantages
- easy to regulate
- simple technology
- low oil consumption
- relatively simple maintenance effort
Disadvantage
- Delivery times: 10 - 80 working weeks
- high price level
- It usually requires clean gas
Side channel blower
Area of application
- Biogas plant, landfill plant, sewage gas plant (flare blower, CHP blower, transport blower)
- Special blowers in all industrial sectors
- Pressure and vacuum application
Technical data
- Pressures 5 - 600 mbar gauge
- Volumenströme 5 - 1.000 m3/h
- ATEX 2G/3G for zone 1 and 2 / IIA, IIB, IIC
- Overall efficiency is approximately 45-50%.
- Speeds up to approx. 5,000 rpm
Advantages
- easy to regulate
- low price level
- Delivery times: 2 - 8 working weeks
- dry running
Disadvantages
- high noise level up to 99 dB(A) (high frequency)
- no slippage (not running in its own juices)
- Pre-filtration (recommended)
- poor efficiency
Piston compressor
Area of application
- Biogas plant, landfill plant, sewage gas plant (flare blower, CHP blower, transport blower)
- Special blowers in all industrial sectors
- Pressure and vacuum application
Technical data
- Pressures 5 - 200 bar overpressure
- Volume flows 15 - 800 m3/h
- ATEX 2G/3G for zone 1 and 2 / IIA, IIB, IIC
- Overall efficiency is approximately 50-65%.
Advantages
- hermetically gas-tight
- easy to regulate
- medium to high efficiencies
- dry running
- Noises up to approx. 92 dB(A) hard impacts
Disadvantages
- no slippage (not running in its own juices)
- Pre-filtration (recommended)
- poor efficiency
- relatively high price level
- Delivery times approximately 15 - 70 working weeks
- high price level
Conclusion
All listed compressors and compressors are justified:
They are tailored to their specific applications in terms of efficiency and acquisition costs. Availability and operating costs also depend heavily on the specific application. For these reasons, no general statement can be made about the suitability of a particular compressor or blower type.
Compactable substances
hydrogen
Hydrogen is the chemical element with the lowest density and the symbol H. Molecular hydrogen (H₂) is about 14.4 times less dense than air.
This results in changed boundary conditions for compressors and compressors; especially regarding compression, sealing and embrittlement of the materials.
biogas
Biogas is a high-energy gas mixture produced during the natural decomposition of organic material in the absence of air. Manure, organic waste, or energy crops are fermented in digesters (fermenters) in biogas plants using microorganisms.
Main component: Methane (CH₄) at 50-60% and CO₂ at 35-50%.
wood gas
Combustible gas with a calorific value of approximately 8500 kJ/m³, obtained through wood gasification (pyrolysis). The so-called "dry distillation" of wood was formerly also used to produce methanol.
Primarily used as synthesis gas or also through energetic use in combustion.
Synthesis gases
Gas mixture that is used in the broadest sense for synthesis (e.g., the mixture of nitrogen and hydrogen for ammonia synthesis).
More precisely: industrially produced gas mixtures that mainly contain carbon monoxide and hydrogen, along with varying amounts of other gases.
Biomethane
Methane that is not of fossil origin, but is produced technically or naturally from biogenic substances and is a component of biogas (synonym biomethane).
Application: Production of electricity and heat in combined heat and power plants (CHP), gas heat pumps, fuel cells and as fuel for vehicles.
natural gas
A flammable, naturally occurring gas mixture consisting mainly of energy-rich methane (>99%).
As a fossil fuel, it is mainly used for building heating, as a heat supplier for thermal processes in commerce and industry, for electricity generation and as fuel for ships and motor vehicles.
The table lists the most common gases according to their density. Density of dry gases, unless otherwise stated, measured at 1.01325 bar pressure and 0°C temperature.
| Wasserstoff | 0,08988 | H₂ |
| Helium | 0,178 | He |
| Leuchtgas | 0,55 | H₂, CH₄ & CO |
| Methan | 0,717 | CH₄ |
| Ammoniak | 0,771 | NH₃ |
| Neon | 0,84 | Ne |
| Wasserdampf | 0,88 | H₂O |
| Wasserdampf bei 100 °C | 0,598 | H₂O |
| Acetylen | 1,171 | C₂H₂ |
| Luft bei 20 °C | 1,204 | - |
| Kohlenmonoxid | 1,25 | CO |
| Stickstoff | 1,251 | N₂ |
| Ethylen | 1,261 | C₂H₄ |
| Luft bei 0 °C (trocken ?) | 1,292 | - |
| Luft (CO₂-frei) | 1,293 | - |
| Stickstoffmonoxid | 1,34 | NO |
| Ethan | 1,356 | C₂H₆ |
| Sauerstoff | 1,429 | O₂ |
| Fluor | 1,695 | F₂ |
| Argon | 1,784 | Ar |
| Propen | 1,915 | C₃H₆ |
| Kohlenstoffdioxid | 1,977 | CO₂ |
| Lachgas | 1,978 | N₂O |
| Propan | 2,019 | C₃H₈ |
| Ozon | 2,22 | O₃ |
| Methylchlorid | 2,307 | CH₃Cl |
| n-Butan | 2,703 | C₄H₁₀ |
| Schwefeldioxid | 2,926 | SO₂ |
| Chlor | 3,214 | Cl₂ |
| Krypton | 3,479 | Kr |
| Xenon | 5,897 | Xe |
| Wolframhexafluorid | 12,7 | WF₆ |