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Thin film multistage energy-saving drying method and system

A drying system and multi-stage technology, which is applied in the field of film multi-stage energy-saving drying method and system, can solve the problems of damaged film and film drying, and achieve the effects of not easy loss, energy saving, and improved drying effect

Inactive Publication Date: 2016-12-14
山东莱芜新甫冠龙塑料机械有限公司
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  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The oven for drying after the film is coated with liquid, if the electric heating tube is used for direct heating (including various heating tubes), the film will be damaged; if the hot air is used, the film will not be dried online

Method used

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  • Thin film multistage energy-saving drying method and system
  • Thin film multistage energy-saving drying method and system
  • Thin film multistage energy-saving drying method and system

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Embodiment Construction

[0032] In a specific embodiment of the present invention, a film multi-stage energy-saving drying method is provided, comprising the following steps:

[0033] 1. Make the film run vertically from bottom to top;

[0034] Starting from the bottom and going up and down, the following processes are carried out in sequence in the closed space in the middle:

[0035] a. From the lower end, double-sided electric heating and drying is carried out on the upward film;

[0036] b. Double-sided hot air drying of the running film after electric heating and drying;

[0037] c. In step b, the hot air runs upwards, and the hot air continues to dry both sides of the film;

[0038] d. Double-sided ordinary air drying is performed on the running film after hot air drying.

[0039] In the multi-stage energy-saving drying method of the film in this specific embodiment, the film is sequentially subjected to double-sided electric heating drying, double-sided hot air drying, and double-sided ordin...

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Abstract

The invention discloses a thin film multistage energy-saving drying method and system. The thin film multistage energy-saving drying method comprises the steps that a thin film is made to operate in the fixed direction; and the thin film in the operating process is sequentially subjected to double-surface electric heating and drying, double-surface hot air drying and double-surface common air drying. The thin film multistage energy-saving drying system comprises a direct heating type part, an indirect heating and blowing part, a drying box part and an auxiliary blowing part and can conduct double-surface electric heating and drying, double-surface hot air drying and double-surface common air drying on the thin film in sequence. According to the thin film multistage energy-saving drying method and system, double-surface multi-mode drying can be conducted on the thin film, heat is not prone to being lost in the drying process, the drying effect can be improved, the thin film drying time is shortened, and energy sources are saved; and meanwhile, the thin film cannot be damaged.

Description

technical field [0001] The invention belongs to the field of film drying, in particular to a film multi-stage energy-saving drying method and system. Background technique [0002] The external coating film has been rapidly developed in my country since 2010 due to its advantages such as long dripping and defogging duration, high light transmittance, good transparency, and fast heating. However, if the film is not dried after coating the liquid, the product quality cannot be guaranteed, the production efficiency is particularly low, and the production environment is not easy to maintain. Therefore, the film must be dried after being coated with liquid. [0003] In the oven for drying after the film is coated with liquid, if the electric heating tube is used for direct heating (including various heating tubes), the film will be damaged; if the hot air is used, the film will not be dried online. Contents of the invention [0004] The technical problem to be solved by the pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D3/02B05D3/04
CPCB05D3/0281B05D3/0413
Inventor 孟国胡延波张心明吕雪梅
Owner 山东莱芜新甫冠龙塑料机械有限公司
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