RFT 11057

Reference filter test rig for cleanable filter media according to ISO 11057:2011, VDI/DIN 3926 (1994 and 2004) and ASTM D6830-02

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RFT 11057

Reference filter test rig for cleanable filter media according to ISO 11057:2011, VDI/DIN 3926 (1994 and 2004) and ASTM D6830-02

Description

With the FilTEq RTF 11057 filter test rig Palas® provides a reliable and economical test system for testing, development and quality control of cleanable filter media.
The filter test stands of the RTF 11057 series are characterized by the highest reproducibility of the test results.
With the RTF 11057 test rigs both standard filter media tests according to all common guidelines (VDI/DIN 3926 (1994 and 2004), ISO 11057:2011, ASTM D6830-02) including ageing can be carried out as well as under customer-specific conditions, depending on the operator's requirements.

This allows individual, realistic tests to be carried out as specified by various process conditions, e.g. in waste incineration plants, in the cement and steel industries, in the wood processing industry, the pharmaceutical industry, the chemical industry and others. These filter media tests can be carried out with different powders from practice, which allows a good correlation of the results to operating conditions. Different media can be optimized or selected for different applications with regard to their structure and surface treatment. Palas® filter test rigs are already used in the international industry with great success.

Optional equipment variants (additional upgrade packages, all packages can be combined):
- PM2.5 package with VSCC measuring cyclone for gravimetric PM2.5 determination
- PM2.5 Package of optical clean gas measurement with Palas Aerosol Spectrometer Promo
- Reverse-flow package for the simulation of cleaning in backwash filters (bag-houses)

- Heated versions for operating temperatures at the filter sample

  • up to 220 °C (standard version made of aluminium, heated)
  • up to 400 °C (standard version made of stainless steel, heated)
  • up to 650 °C (special version on request)

SG3647

Fig.: Vertical main channel and transverse channel with heating modules and laser photometer

The following characteristic data are determined in the test results for the comparative assessment of filter media in a standard test:
  • The pressure loss of the unfiltered filter medium and the development of the residual pressure loss
  • the evolution of the duration of a filtration cycle, i.e. the time between differential pressure controlled cleanings,
  • the weight increase of the filter sample
  • the development of the clean gas dust concentration over the entire course of the experiment
  • the characteristics of the pressure loss curve and the structure of the dust layer remaining on the filter surface
  • for particle measurement in clean gas, in addition to gravimetric measurement, the Promo Aerosol Spectrometer is preferably used
RTF 11057 Software
  • Software MeLab developed for Windows systems on Lab-View basis for plant control and regulation as well as for data acquisition and storage
  • Automated test execution using protocols and scripts
  • Simple individual test execution manually or by adaptation of protocols and scripts
  • Data transfer in Excel templates
  • Standardized or individual evaluation and presentation of the results

Benefits

  • PM2.5 Emission measurement
  • Reference test system ISO 11057
  • Highest reproducibility of the test procedures
  • Different dusts from the practice can be used
  • Extremely flexible system with setting options for all operating parameters in a wide range
  • Quick and easy adjustment of the raw gas concentration
  • Simulation of the garland effect
  • Online measurements of particle size and concentration with the scattered light spectrometer welas® digital
  • Compact design
  • Easy handling, easy cleaning
  • Long maintenance intervals
  • Short set-up time when changing the filter or test dust
  • Proof of the clear function of the individual components and the overall system during the preliminary acceptance test
  • Reliable function
  • Reduces your operating costs

Datasheet

Volume flow Reingas: 0,5 – 5,5 m³/h
Cross Flow: 1 – 11,5 m³/h
Dimensions
approx. 3,500 • 700 • 2,000 mm (H • W • D)
Powder Disperser

Doser: NDF100-B; Mass flow: 20 – 500 g/h, depending on the type of dust
Inflow velocity 0.5 – 5 m/min (others on demand)
Differential pressure measurement -2000 – 2000 Pa
-5000 – 5000 Pa
-20000 – 20000 Pa
Test area of the medium 154 cm² (others and special filter holders on demand)
Aerosols
All dry dispersable powders, e.g. Pural NF, Pural SB, ISO fine/coarse, SAE dusts, ARAMCO, limestone, cement dust, titanium dioxide, carbon black and many more
Compressed air supply


6 – 8 bar
Valve opening times 50 ms to desired
Pressure for pulse jet cleaning to max. 8 bar

Applications

  • Standardized testing of cleanable filter media according to VDI/DIN 3926 (1994 and 2004), ISO 11057:2011 and ASTM D68830-02
  • Filter testing according to the above guidelines, for example at adjusted temperatures, filter inflow velocities, dust types, dust concentrations and cleaning conditions
  • This enables the realisation of individual, realistic tests as specified by various process conditions, e.g. in waste incineration plants, in the cement and steel industries, in the wood processing industry, the pharmaceutical industry, the chemical industry and others
  • Filtration tests with filter samples for quality assurance in the production of filter media, incl. air permeability measurements
  • Determination of PM2.5 emission
  • Air permeability measurements on samples from dusty filter bags

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