Hi Toptherm EC fan and filter unit from Rittal ensures energy-efficient ventilation RITTAL.

Hi Toptherm EC fan and filter unit from Rittal ensures energy-efficient ventilation RITTAL.

Toptherm EC fan and filter unit

Rittal is offering a more energy-efficient means of ventilating enclosures by supplying electronically commutated (EC) versions of the Toptherm fan and filter unit, in all but the very smallest size.

Using the same diagonal fan technology as the standard variant, Rittal Toptherm EC fan and filter unit is claimed to provide improved performance against static pressure, offering a more constant air throughput and energy savings in excess of 60 per cent over previous models.

Compliance with ongoing energy efficiency guidelines can be met and exceeded by using EC motors, while intelligent control and fan status monitoring is available for larger units.

The risk of component failure in the enclosure is minimised by the direct monitoring of fan speed via a tacho-signal output with a malfunction of failure signal, which prompts immediate action.

Key features and benefits:

• Toptherm provides improved performance against static pressure.
• It offers energy savings in excess of 60 per cent over previous models.
• It exceeds energy efficiency guidelines.
• Infinitely variable speed control offers a means of conserving energy further by operating the fan at a speed determined by the demand for cooling.
• Programmable logic controller may be used to control the fan motor, via a 0–10VDC or pulse-width-modulated signal.
• There is a minimised risk of component failure in the enclosure.

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Hi Product Alert - " Air Flow Meter For Ventilation Monitoring."

Hi - "Airflow meter for ventilation monitoring":

Airflow Meter:

Fluke has introduced the Fluke 922 Airflow Meter, a rugged tool designed to provide an easy-to-use solution for ventilation monitoring and diagnostics applications in the field.

Fluke, supplier of handheld test and measurement equipment, has introduced the Fluke 922 Airflow Meter, a rugged tool designed to provide an easy-to-use solution for ventilation monitoring and diagnostics applications in the field.

Combining differential air pressure, air velocity, and air flow measurements into a single meter, the Fluke 922 enables technicians to conveniently monitor air pressure across key HVAC (heating, ventilation, air conditioning) components and to help maintain a comfortable environment by checking for optimum airflow balance.

The new Fluke 922 Airflow Meter is designed to diagnose ventilation issues.

It enables optimisation of HVAC ventilation settings, the maintenance of correct pressurisation to keep out contaminants, and the monitoring of pressure drop across filters and coils to ensure peak airflow performance and extend equipment life.

The Fluke 922 is suitable for use by facilities maintenance technicians, HVAC contractors and Indoor Air Quality consultants for use in industrial complexes, commercial buildings as well as in institutions such as schools, hospitals, etc.

The Fluke 922 Airflow Meter is compatible with most Pitot tubes, and allows HVAC technicians to enter duct shape and dimensions to maximise measurement accuracy.

It features coloured hoses designed to help users easily interpret air pressure readings; Min/Max/Average/Hold functions for convenient data analysis; a bright, backlit display for clear viewing even in dimly-lit environments; and an automatic power-off function to conserve battery life.

The Fluke 922 is available as a standalone unit with 2 rubber hoses in a soft carry case, or as the Fluke 922/Kit which also includes a 30cm Pitot Tube, a ToolPak magnetic hanger and a hard carry case.

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Hi, - 3 Reasons To Pay Attention, Dust Collectors Exhaust Air.

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Document Content Of; The Handbook For 

Industrial Minerals Mining & Processing.

Table Of Handbook Contents Overview Includes;

1. Fundamentals Of Dust Collection Systems.

2. Wet Spray Systems.

3. Drilling & Blasting.

4. & More...,
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Hi View & Download Mine Ventilation Synopsis Papers, Final Section D.

11. Diesel emissions control.

MSHA’s DPM rule for metal and nonmetal mines. W. H. Pomroy & G.P. Saseen. Click Here To Download .PDF Document.

The effects of ventilation controls and environmental cabs on diesel particulate matter concentrations in some limestone mines. J. D. Noll, L. Patts, & R. Grau.Click Here To Download .PDF Document.

The effects of biodiesel fuel and intake air methane on the emissions of a flameproof diesel power package. M. Gangal, B. Rubeli, D.Young, N. Paas & T. Robson. Click Here To Download .PDF Document.

Vale Inco’s international search to curtail diesel emissions . J.S. Stachulak & B.R. Conard. Click Here To Download .PDF Document.

Use of baseline personal DPM exposure data for mine ventilation planning- A South African Journey. B. K. Belle. Click Here To Download .PDF Document.

DPM dispersion study using CFD for underground metal/nonmetal mines. Yi Zheng & Jerry C. Tien. Click Here To Download .PDF Document.

Planning to meet the required DPM concentration levels in underground mines – a calibration model. K. Osei-Boakye, P.. Mousset-Jones & K. Kins. Click Here To Download .PDF Document.

Diesel particulate filters – the safe approach to a project, case study. D. F. O’Connor, J. Stachulak & M. Bond.Click Here To Download .PDF Document.

Near real time monitoring of diesel particulate matter in underground mines. S. Janisko & J. Noll. Click Here To Download .PDF Document.

Using electrostatic precipitation to control diesel exhaust particulate emissions. A. Farnoud, C. Huang & A. J. Armendariz. Click Here To Download .PDF Document.

Managing diesel particle emissions through engine maintenance - an Australian perspective. P. Anyon. Click Here To Download .PDF Document.

12. Mine fires.

Directing responses to mine fires and explosions. J.E. Urosek & K.S. Diederich. Click Here To Download .PDF Document.

Control of a sulfide ore thermal event in a drawpoint at PT Freeport Indonesia’s DOZ Mine, Papua, Indonesia. I.M. Loomis, S.Hughes, K. Osborne, J. Basyuni & E. Samosir. Not Available To Download .PDF Document.

Challenges in undertaking inertisation of fires in underground mines. D. S. Gillies & H. W. Wu. Click Here To Download .PDF Document.

Conveyor belt entry fire hazards and control. H. Verakis & M. Hockenberry. Click Here To Download .PDF Document.

Ten years of conducting level 1 simulated emergency exercises in Queensland’s underground coal mines. M. Watkinson & D. M. Brady. Click Here To Download .PDF Document.

Use of automated micro gas chromatograph to monitor mine atmospheres during mine emergencies. B.K. Blashich, W.J. Francart & M.D. Calhoun. Click Here To Download .PDF Document.

Mobile gas laboratory for responding to mine fires and explosions. M. P. Valoski. Click Here To Download .PDF Document.

The role of gas monitoring in the prevention and treatment of mine fires . D. M. Brady. Click Here To Download .PDF Document.

Assessment of stability of flow in a modified mine ventilation network considering a presence of fire hazards. W. Dziurzy?ski, J. Krawczyk & J. Kruczkowski. Click Here To Download .PDF Document.

Evaluation of deep-seated crib block fire tests. M.A. Trevits, A.C. Smith, J.E. Urosek & M.P. Valoski. Click Here To Download .PDF Document.

Experimental research on the behavior of ventilation air around shafts during a fire.M. Inoue, Y. Hidaka, M. Yamakami, N. Hatakeyama, T. Sakai & A. Okuzono. Click Here To Download .PDF Document.

13. General ventilation design and monitoring.

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Atmospheric monitoring systems for very large mines. A. E. Ketler. Click Here To Download .PDF Document.

Using the K.I.S.S. principle in ventilation modeling. T. R. Paquin. Click Here To Download .PDF Document.

Study on the performance of ventiflex ducting and couplings. L. M. Anisdahl, B. Johansson & K. Thoen. Click Here To Download .PDF Document.

A database of ventilation friction factors for Quebec underground mines . K. Fytas & C. Gagnon. Click Here To Download .PDF Document.

14. Other.

Ventilation efficiency is it cost effective?. D. R Chalmers. Click Here To Download .PDF Document.

Developments in real time personal diesel particulate monitoring in mines. H. W. Wu & A. D. S. Gillies. Click Here To Download .PDF Document.

Reducing dust exposure from contaminated work clothing with a stand-alone cleaning system. A.B. Cecala, D.E. Pollock, J.A. Zimmer, A.D. O’Brien & W.R. Fox. Click Here To Download .PDF Document.

Real-time measurements of diesel EC and TC in a Nevada Gold Mine with photoacoustic and dusttrak instruments: Comparison with NIOSH 5040 filter results. W. P. Arnott, I. J. Arnold, P. Mousset-Jones, K. Kins & S. Shaff. Click Here To Download .PDF Document.

Respirable Dust Control Workshop conducted by: CDC - National Institute of Occupational Safety and Health- Pittsburgh Research Laboratory staff and invited guests (*This is a 21mb file so please be patient as it may take a minute to open). Click Here To Download .PDF Document.

Strategies and Technologies to Reduce Miners Exposure to Diesel Particulate Matter and Gases.  Workshop conducted by: CDC - National Institute of Occupational Safety and Health- Pittsburgh Research Laboratory staff and invited guests (*This is a 11mb file so please be patient as it may take a minute to open). Click Here To Download .PDF Document.

*Note: View Previous Blog Publications Of Posts For Sections Covering Previously Related Mining Content. You May View The Blog Archive To Access The Links Or View The Links Below;

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Hi View & Download Mine Ventilation Synopsis Papers, Section C.

3. Spontaneous combustion.

The application of nitrogen to control a spontaneous combustion event during a longwall face salvage. J.R. Leeming, S.R. Hunneyball, S. Jobling & P.R. Shead. Click Here to download .PDF File.

Effects of ventilation and gob characteristics on spontaneous heating in longwall gob areas. L. Yuan & A.C. Smith. Click Here to download .PDF File.

Effect of intrinsic coal properties on self-heating rates. B.B. Beamish & A. Arisoy. Click Here to download .PDF File.

Bulk-scale laboratory experiments of re-entering a sealed heating. W.K. Hitchcock & B.B. Beamish. Click Here to download .PDF File.

A study of the gases produced by the oxidation of bulk coal under laboratory conditions. W.K. Hitchcock, D. Cliff & B. B. Beamish. Click Here to download .PDF File.

Problems with determining oxygen deficiencies for use in ratios used for assessing spontaneous combustion activity. D. M. Brady. Click Here to download .PDF File.

The positive pressure chamber. J. P. Brady, S. Burra & B. R. Calderwood. Click Here to download .PDF File.

4. Heat and humidity.

A comparison of globe, wet and dry temperature and humidity measuring devices available for heat stress assessment. S. Hardcastle & K. Butler. Click Here to download .PDF File.

Design and construction of a surface air cooling and refrigeration installation at a South African mine. R.W. Wilson & A. Pieters. Click Here to download .PDF File.

A review of heat issues in underground metalliferous mines. T. Payne & R. Mitra. Click Here to download .PDF File.

A heat study and the modelling of future climatic conditions at Vale Inco’s Coleman/McCreedy East Mine. C. K. Kocsis, S.G. Hardcastle & B. Keen. Click Here to download .PDF File.

5. Miner’s act and mine seals.

Use of belt air in underground coal mines — with special emphasis on TSP recommendations. J. C. Tien & F. Calizaya. Click Here to download .PDF File.

An update on the use of explosion resistant seals in the United States. C. R. Stephan & J. E. Urosek. Click Here to download .PDF File.

Sealing design. D. R Chalmers. Click Here to download .PDF File.

Comparison of the transverse load capacities of various block ventilation stoppings under arch loading conditions. T. M. Barczak & T. J. Batchler. Click Here to download .PDF File.

A simplified approach to coal mine seal design. M. M. Gadde, D.A. Beerbower & J. A. Rusnak. Click Here to download .PDF File.

Impact of deformable materials and convergence on the transverse load capacity of mine ventilation stoppings. T. J. Batchler & T. M. Barczak. Click Here to download .PDF File.

6. Numerical modeling.

Turbulent diffusion coefficient in mine airways. N. P. Widodo, K. Sasaki, Y. Sugai, R.S. Sayoga & Risono. Click Here to download .PDF File.

Numerical simulation of ventilation air flow in underground mine workings . S.M. Aminossadati & K. Hooman. Click Here to download .PDF File.

Narrow vein shrinkage stope ventilation measurement using tracer gas and numerical simulation. G. Arpa, K. Sasaki & Y. Sugai. Click Here to download .PDF File.

Application of MULTIFLUX for air, heat and moisture flow simulations. G. Danko & D. Bahrami. Click Here to download .PDF File.

Verification and calibration of ventilation network models. F. H. von Glehn, W. M. Marx & S. J. Bluhm. Click Here to download .PDF File.

Study on the effects of scrubber operation on the face ventilation. A. M. Wala, S. Vytla, G. Huang & C. D. Taylor. Click Here to download .PDF File.

Numerical simulation on diffusion phenomena in mine airways by using a method of discrete tracer movements. K. Sasaki, A. Widiatmojo, N. P. Widodo, G. Arpa & Y. Sugai. Click Here to download .PDF File.

An experimental and numerical study of two-way splits and junctions in mine airways. R.K. Jade & B.S. Sastry. Click Here to download .PDF File.

7. Coal mine methane.

Thermal oxidation of coal mine ventilation air methane. J. M. Somers & H. L. Schultz. Click Here to download .PDF File.

Use of infrared sensors for monitoring methane in underground mines. C.D. Taylor, J.E. Chilton & A.L. Martikainen. Click Here to download .PDF File.

Advances in grid-based numerical modeling techniques for improving gas management in coal mines. C.Ö. Karacan, TX. Ren & R. Balusu. Click Here to download .PDF File.

Artificial neural networks to determine ventilation emissions and optimum degasification strategies for longwall mines. C.Ö. Karacan & G.V.R. Goodman. Click Here to download .PDF File.

Horizontal directional drilling implementation at MIMOSA Mines. Mario Santillan. Click Here to download .PDF File.

8. Mine dust.

Effects of sintered metal diesel particulate filter system on diesel aerosols and nitric oxides in mine air. A. D. Bugarski, G. H. Schnakenberg, Jr. & E. Cauda. Click Here to download .PDF File.

Effectiveness of a water curtain utilized for dust control on continuous miner sections. D.M. Tomko, & M.J. Schultz. Click Here to download .PDF File.

Analysis of particulate contamination in personal dust monitor sampling. J. C. Volkwein. Click Here to download .PDF File.

The application of an improved multi-scale computational modelling techniques to predict fugitive dust dispersion and deposition within and from surface mining operations. I.S. Lowndes, S.A. Silvester, S.W. Kingman & D.M. Hargreaves. Click Here to download .PDF File.

Improving the performance of fan-powered dust collectors in stone cutting applications. G.J. Chekan, A.B. Cecala, D.E. Pollock, & J.A. Zimmer. Click Here to download .PDF File.

Dust control in room-and pillar coal mining using continuous miners: Additional field evaluations. Y.P. Chugh, A. Patwardhan , H.G. Gurley & R.C. Carty. Click Here to download .PDF File.

Air filtration technology for respirable dust control in room-and-pillar mining. Y.P. Chugh, A. Patwardhan , H.G. Gurley & R.C. Carty. Click Here to download .PDF File.

Inconsistency in gravimetric sampling pumps and cyclones. R.J.R. Cornelissen. Click Here to download .PDF File.

9. Tunnel ventilation.

Fires in vehicular tunnels. I.J. Duckworth. Click Here to download .PDF File.

Ventilation and atmosphere control inside a 3-bar compressed air TBM heading. B.R. Zernich & M.A. Krulc. Click Here to download .PDF File.

Ventilation of the Northern Mujsky Railway Tunnel. S.G. Gendler. Click Here to download .PDF File.

The application of vertically-mounted jet fans in ventilation shafts for a rail overbuild. R.E. Ray. Click Here to download .PDF File.

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10. Mine fans.

Energy savings on mine ventilation fans using ‘Quick-Win’ Hermit Crab Technology-A perspective. B. K. Belle. Click Here to download .PDF File.

Understanding fan test standards and ventilation system performance. K.J. Lownie. Click Here to download .PDF File.

Main fan energy management. J.J.L. du Plessis & W.M. Marx. Click Here to download .PDF File.

Operation of large underground fans at Kidd Mine – progressing through the challenges. K. Hortin & G. Bekkers. Click Here to download .PDF File.

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Future Post Publication Release Of Hi Mine It Series Includes Section 3 Publication Content Includes Of Diesel Emissions Control, Mine Fires, General Ventilation & Design Monitoring, & Other.