hfiltration case histories

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Case Histories

Just three filtres to improove the aereospace company working conditions,

Just three filtres to increase their production volume.

A LITTLE COSTS AND HIGH RESULTS

TREATED AREAS

PAVILLON

FOREHOLD

AFTERHOLD

LANDING GEAR

BOX WING

TREATED AREAS

TREATED AREAS

The operators were forced to perform multiple drilling operation by hand with lubrificant oil mist in compressed air. As a result, different areas of the fuselage were quickly filled by fog and the working conditions were very bad. In this working conditions they were often forced to stop working damaging the production capability of the all company.Hfiltration Srl easily solved this problem

PROBLEM

TECHNICAL DIFFICULTIES:

For each new aircraft, an important part of our system needed to be disassembled and reassembled.We needed a large number of aspirations points without the opportunity of fixing to the ground and without possibility to use telescopic arms. Moreover the pipe sliding into different parts of the aircraft was very complicatedIn the end the customer need level was very high

STRUCTURE OF THE ISTALLATION

SUGGESTED SOLUTIONS:

3 MIST COMPACT: One MC06 installed outside and two MC02 inside the flight hall.A network of rigid net installed and fixed. A set of flexible rigid pipe, and removable suction nozzles installed in different parts of the aircraft. For each nozzle was requested rate 1000 m3 / h.

All setting activities were done without disturbing the operators, without making too much noise, disassembling and reassembling ..... A large number of Production Manager (were making so many request for changes at any time). Finally, the first line had been installed in July 2013 and the other two had been installed in March 2014

All setting activities were done without disturbing the operators, without making too much noise, disassembling and reassembling .A large number of Production Manager (were making so many request for changes at any time).

Finally, the first line had been installed in July 2013 and the other two had been installed in March 2014

HFiltration in Metco Spa: Success not dust!

To solve the dust problems in Metco S.r.l., a company specialized in the raw materials sale,

our team has developed an ad hoc solution for the dust suction and the filtration coming from loading and unloading operations.

As a result it was created a carbon steel plant compound by a set of devices marked and certified CE: with the following elements a purifier self-cleaning cartridge suitable for outdoor installation; a centrifugal fan for a single inlet and high yield with an electric motor; a collector system for the loading and unloading area fitted with an hood extractor in carbon steel; Stack made with galvanized steel complete with protection net and cable for the sample test; an electric panel for the managing of our a centrifugal fan with inverter.

In addition, we take care of all fittings and wiring.

All engineering services and product is provided in accordance with the rule UNI EN ISO 9001: 2000.

TECHNICAL CHARACTERISTICS FILTERFlow rate m³/h 50.000Total Filter surface m² 960Outlet dust concentration mg/Nm³ ≤ 5Installed power kW 55

Project Technical Design

Collector System for the loading and unloading operations fitted with an hood extractor in carbon steel;

Watch our video in Youtube

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AIR FILTRATION TEST: GRAPHITE

GRAPHITE IS A SEVERE TEST FOR ANY KIND OF FILTRATION SYSTEMS

The tool action generates a really high volume of ultra fine powder and the presence of this kind of ultra thin dust could be an high risk for all workers health

Moreover this kind of dust could strongly aggravate the machine tool productivity.

These photos show the 'working environment before of the installation of our filter

HFiltration Srl has proudly solved this problem in Switzerland,

in the first manufacturing area in the biggest company worldwide in the graphite and carbon based products processing.

In this Unit, in Bodio, a filtration system was already existing but it was totally inadequate, in fact it was barely enough to filter just one of the three cells involved in the working process.

AN OLD FILTRATION SYSTEM

As a result we designed and supplied a plant able to ensure a clean and breathable environment in all three areas

THE NEW FILTER

Pulse-Jet’ Bag Filter type HJL-Cart-25-165-15

TECHNICAL CHARACTERISTICS FILTERFlow rate m³/h 50.000Total Filter surface m² 990Outlet dust concentration mg/Nm³ ≤ 2Installed power kW 55

THE NEW FILTER

Pulse-Jet’ Bag Filter type HJL-Cart-25-165-15

In the first area, where the mineral arrives in really big blocks and the workers resize it with shears, there was an incredible generation of dust.

We found an environment dirty, slippery and unbreathable where the Graphite working process were strongly putting in danger all operators health.

AREA 1

These conditions were really putting in danger all operators health.

Consequently we placed a large number of capturing points as close as possible to the pollutant source, in such a way to avoid to put the operator in between the pollutant and the filtration system

OUR SOLUTION

CAPTURING POINTS

AREAS 2 - 3

In the areas 2-3, where the material handling process was going on and all the loading and unloading operations were taking place the atmosphere was completely unbreathable.

As a result, we found all critical points and we put a large number of capturing points providing them with an on off damper

CAPTURING POINTS

Project Technical Design

AREAS 2 - 3

Watch our video in Youtube

https://www.youtube.com/watch?v=WWztYCzmPZA

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HFiltration s.r.l.Via Firenze, 69 - 20025 Legnano - MI - ItalyTel. +39 0331 52.74.03Fax: +39 0331 52.74.84 e-mail : commerciale@hfiltration.it www.hfiltration.it

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