Process and equipment for deacidifying whole paper document

A deacidification and paper technology, applied in the post-processing of waste paper, etc., can solve the problems of paper document damage, low paper stiffness, paper bending and collapse, and achieve the effect of eliminating damage, reducing damage and deacidification. Good results

Pending Publication Date: 2020-10-30
NANJING MUSEUM
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Problems solved by technology

Although the deacidification solution can be allowed to enter the pages of the entire paper document, and the deacidification solution is evenly distributed in the paper document, however, for a large number of paper documents with low stiffness, the use of this vertical clamping paper document and The method of rotating and spraying the deacidification solution can easily lead to bending and folding of the paper pages during the soaking and deacidification process of the paper documents, and the deacidification solution cannot evenly enter the inside of the entire paper document pages, which affects the uniformity of the deacidification effect; When the deacidification solution is separated from the pap

Method used

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  • Process and equipment for deacidifying whole paper document

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Embodiment 1

[0038] This embodiment provides a process for soaking and deacidifying the entire paper document 1 by using an organic suspension type deacidification solution (hereinafter referred to as "deacidification solution"), which mainly includes the following steps:

[0039] S1. Separate the entire paper document 1 from the middle page, place the entire paper document 1 on a horizontal fixed frame with its back upwards, and be constrained to position it; When the deacidification solution is separated from the paper documents, the pages in the separated state will naturally sag under the influence of their own weight, and the paper will not bend, collapse and overlap;

[0040] S2. The fixed frame is placed in a sealable deacidification tank together with paper documents;

[0041]S3. Inject the organic suspension type deacidification solution into the airtight deacidification tank, so that the deacidification solution is completely immersed in the paper documents;

[0042] S4. Dischar...

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Abstract

The invention discloses a process and equipment for deacidification protection of a whole paper document, belongs to the technical field of collection document protection, and can perform soaking typedeacidification protection on the acidified whole paper document, in particular to an acidified paper document with low paper stiffness. The process and the equipment have the advantages that the damage caused by bending and folding of the paper in the soaking and deacidifying process of the soft paper can be eliminated; an effective channel is provided for the deacidification liquid to flow in the paper literature page, the problem of directional flow of the deacidification liquid in the whole paper literature page is solved, an alkaline deacidification medium is promoted to be uniformly distributed on the paper page, the deacidification effect is good, and the practicability is high.

Description

technical field [0001] The invention belongs to the technical field of library document protection, and relates to a process and equipment for deacidifying entire paper documents, in particular to the deacidification protection of acidified paper documents with low paper stiffness. Background technique [0002] The deacidification of the entire paper document has experienced the technical practice and application of gas phase deacidification, aqueous alkaline deacidification solution soaking deacidification, organic solution type deacidification solution soaking deacidification, organic suspension type deacidification solution soaking deacidification, From the safety analysis of environmental protection, the use of organic suspension type deacidification solution soaked in deacidification, the paper literature paper does not expand and deform, the deacidification medium has no flammable and explosive properties, does not pollute the environment, has no peculiar smell, and is ...

Claims

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Application Information

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IPC IPC(8): D21H25/18
CPCD21H25/18
Inventor 张金萍郑冬青张玉芝蒋弼
Owner NANJING MUSEUM
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