FR2711998A1 - Process for recycling waste paper for an ecological and economical insulating objective - Google Patents

Abstract

Process for recycling waste: "waste paper", cardboard, newspapers, magazines, catalogues, periodicals, etc; characterised in that it consists in performing the following operations: a) shredding of this waste and removal of plastic and metallic substances b) bath c) press d) inserting all this waste into a shredder after the sorting out and removal of plastic and metallic substances to obtain shreds and an agglomerate. Application to the elimination of stocks of paper waste.

Description

- 1 - The present invention indicates a possibility of recycling the

  "old paper", cardboard, newspapers, magazines, catalogs, reviews, ...

  in the manufacture of an insulator which allows immediate use for

  indoor and outdoor use.

  Insulators are available on the market, but they are toxic when

  handling or polluting in the event of fire.

  My process allows to get clean, healthy, practical to use: they can be covered following: plaster, paint, fabric, wood, ... Production line 1st step: The "old paper" is sorted so to separate

  all plastic, metallic substances, ...

  2nd step: The "old paper" is taken to a shredder

  from which they emerge in the form of shreds.

  3rd step: These shreds are poured into a tank containing a water repellant (there 3%), a flame retardant (15 to 25%), paper glue (5 to 15%) and water ... and possibly, depending on demand ,

natural dyes.

  - water repellent allowing impermeability - fire retardant: non-flammability - paper glue used to secure all of the

  shreds so as to form a compact, solid body.

  In this tank, a mixer makes it possible to homogenize the whole

of the different components.

  4th stage: This agglomerate falls into bottomless bins (formwork type) of interior dimensions 60 / 150cm and are conveyed to the press via a wire conveyor belt

  which allows a first filtration.

  These bins each have two sides (widths) varying in height so as to obtain different thicknesses

4,6,8,10cm according to request.

  th step: The press coming to compress the agglomerate makes it possible to obtain a panel of 60 / 150cm and the liquid resulting from this compression is returned to the mixer: the overflow

  of agglomerate will be re-injected into the next tank.

  6th stage: The panel obtained (soaked and not wet) is taken to a storage room where it will undergo drying by ventilation: natural if the weather conditions allow it

  or electric if not.

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