ATEX ventilation and dedusting system

Application in metal grinding line

The customer:

The client is part of a worldwide group that recovers and recycles metals, paper, and trades raw materials. The site where the plant was installed recovered materials from products such as refrigerators, computers and televisions.

Our customer issue:

The company presented a problem of dust production on a line for grinding disused appliances, with the presence of aluminium dusta potentially explosive element.

Gallery

The customer also requested the modification of the pneumatic conveyor system for previously selected materials (aluminium, copper and brass) with the aim of further separating and recovering these products.

The ATEX directive

ATEX symbol

ATEX is the conventional name of the European Union 94/9/EC directive that regulates equipment intended for use in potentially explosive atmospheres, derived from the words ATmosphères and EXplosibles.

Like most of the regulations relating to protection from explosion, the directive distinguishes the risk according to the nature of the hazardous product, and according to the product’s ignition temperature. Tecnosida® designs plants according to this directive.

The proposed solution: 

Following inspection and design, Tecnosida® proposed a system with three purposes:

  1. Local collection at the various exhaust points serving the whole production process;
  2. Installation of cyclone separators to separate and recover the metal dust in the treated airflow;
  3. The installation of a Dustdown® filter certified for use with explosive dusts (ATEX).

Tecnosida® plant is realized in compliance with the BAT (D.MF.01). It reduces the emissions within the limits established by law, solving the problem of our customer.

Dustdown® filter

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