Industrial plant for drying and/or conditioning flexible laminar surfaces

Abstract

An industrial plant for drying and / or conditioning (1) flexible laminar surfaces comprising an operating tunnel (2) mainly developing according to a linear direction (Z) and provided with air conditioning devices (3) and / or traction organs suitable to act on the flexible laminar surfaces so as to dry them and / or spread them according to predetermined treatment and / or tensioning cycles, a plurality of support frames (4), each of which suitable to receive at least one of the flexible laminar surfaces so as to keep it in a spread and vertical position, moving means (5), operatively connected with the support frames (4) in order to convey them along the linear direction (Z) according to a predefined speed within the operative tunnel (2), to allow drying and / or tensioning of the flexible laminar surfaces, and outside the operative tunnel (2) to allow discharging of the flexible laminar surfaces dried and / or tensioned in a working cycle and loading of the flexible laminar surfaces to be dried and / or tensioned in the following processing cycle. In particular, the industrial drying plant comprises a buffer loading station (6), arranged upstream the operative tunnel (2) with which it communicates, suitable to integrally receive a pre-established group (7) of the support frames (4) before the pre-established group (7) itself of support frames (4) is transferred in bulk within the operative tunnel (2) by the moving means (5), in such a way that the support frames (4) of the pre-established group (7) simultaneously reach the inside of the operating tunnel (2) and the flexible laminar surfaces supported by the support frames (4) of the pre-established group (7) are simultaneously subjected to the processing of the air conditioning devices.

Description

technical field [0001] The present invention relates to an industrial plant for drying and / or conditioning flexible laminated surfaces, such as animal hides (or hides) treated in the tanning industry, which are usually but not exclusively Wet hides undergoing retanning, dyeing and oil bleeding in machines called drums, or hides that are still partially soaked with moisture, must be stabilized by an operation known in the jargon of the art as conditioning. Background technique [0002] As is well known, the drying or dehydration of flexible laminated surfaces such as leather in the tanning industry is a very important process which usually takes place in the central step of the entire tanning production process, where the leather already has a semi-finished connotation, drying them The purpose is to remove excess water accumulated in previous work steps. [0003] When they have to undergo the work of drying or dehydrating, the hides have in fact been subjected to at least ch...

AI Technical Summary

Problems solved by technology

[0017] It cannot be ignored that the necessity for companies to process different batches of flexible laminated surfaces (e.g. leather) in the same industrial drying equipment amplifies the problems that have plagued the prior art regarding the uniformity of treatment of flexible laminated surfaces by such equipment, This problem leads to inefficiencies in production

[0018] The last but not the least disadvantage of the prior art industrial equipment for drying flexible laminated surfaces is represented by the fact that in some known implementations it is found that the operating tunnels are located in various successive internal drying chambers The thermal-moisture subdivision is only theoretical, and the processing conditions in a given chamber inevitably and only limitedly affect the conditions in adjacent chambers, since the different inner chambers communicate directly with each other: even this aspect leads to the already Lack of uniformity in leather treatment in drying equipment

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