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Granular material treatment unit having a heat-regeneration group

A processing unit, technology for granular materials, applied in the direction of heating to dry solid materials, heating devices, drying solid materials, etc.

Inactive Publication Date: 2009-04-15
MORETTO SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, this type of installation involves considerable heat dissipation, which occurs at least in the connecting pipes between the hopper and the heat exchange group, and even good insulation arranged around the connecting pipes cannot reduce this to a certain Below the limit

Method used

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  • Granular material treatment unit having a heat-regeneration group
  • Granular material treatment unit having a heat-regeneration group
  • Granular material treatment unit having a heat-regeneration group

Examples

Experimental program
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Embodiment Construction

[0032] Referring to the above-mentioned figures, there is shown a processing unit 1 for granular material, such as granular plastic material, comprising a support structure S, a silo or hopper 2 defining at least one receiving container 3 for granular material, which can be loaded by The nozzle 4 feeds and discharges the granular material through a discharge nozzle or delivery nozzle 5 which is arranged in the lower region of the silo.

[0033] Furthermore, at least one supply of a process gas medium, such as air or the inert gas nitrogen, is arranged internally, in particular on the heat exchanger unit. One or more gas medium outlets are arranged on the top of the processing unit. According to the illustrated embodiment, the supply means comprise a supply line or duct 6, such as an elbow element, which extends from the top of the silo downwards to the lower region of the silo, where it communicates with a distributor 6a of the process gaseous medium. Unicom.

[0034] The pr...

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Abstract

The present invention relates to a granular material treatment unit, comprising: a support structure (S); a silo or hopper (2) delimiting a receiving cavity (3) for a granular material, which has an upper loading mouth (4), a lower unloading mouth (5) for the granular material; at least one feeding duct (6, 6a) for a treatment gas means leading to a lower area of said receiving cavity (3). The treatment unit also includes at least one heat-exchanging group (8) located on top of the receiving cavity (3) so that it is hit, in use, by the treatment gas means delivered by the at least one feeding duct (6, 6a) and rising along the receiving cavity (3).

Description

technical field [0001] The invention relates to a granular material treatment unit with a heat regeneration unit. Background technique [0002] Description of currently preferred examples [0003] In the description and claims of the present invention, the term "granular material" means a material classified as a material naturally composed of particulate matter, a material obtained by a grinding process (such as known regrind products) and a powder. [0004] It is often necessary to perform various operations on particular plastic granular materials, such as dehumidifying or drying the granular material prior to use in a molding press to make it suitable for continuous processing and / or handling operations. [0005] To perform this operation, granular material is loaded and held in a silo or "hopper" for a predetermined period of time. A hot and dehumidified gaseous medium such as dry hot air or an inert gas, usually nitrogen, is passed through the silo. [0006] After t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B3/02B29B13/06
CPCF26B21/04F26B23/002F26B17/1425Y02P70/10B29B13/065B29B9/16B29B15/00
Inventor 兰纳托·莫雷托
Owner MORETTO SPA