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Method for producing wine label base paper by fourdrinier vat paper machine

A large cylinder, paper machine technology, applied in paper machine, pulp raw material addition process, paper making, etc., can solve problems affecting coating uniformity, coating machine shutdown for cleaning, low surface strength of paper sheets, etc., to reduce lint The problem of powder falling and coating sticking, improving the smoothness and gloss of the front surface, and increasing the amount of surface glue

Active Publication Date: 2021-07-09
SHANDONG RENFENG SPECIAL MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the paper is dried in a large vat, the high-temperature rapid drying reduces the initial bonding force of the paper fiber, resulting in a low surface strength. When the wine label base paper is coated by downstream customers, it is easy to leak glue and stick to the coating back roller. powder, affecting the uniformity of coating, and ultimately affecting the effect of aluminum plating and printing. In severe cases, the coating machine will be shut down for cleaning

Method used

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  • Method for producing wine label base paper by fourdrinier vat paper machine
  • Method for producing wine label base paper by fourdrinier vat paper machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] The production process of the fourdrinier paper machine for producing wine label base paper is as follows: pulp plate→chain plate conveying→pulper→discharging tank→refiner→pulp forming tank→machining tank→flushing Pulp pump → pressure screen → headbox → wire section → press section → vat → sizing machine → group vat → calender → coiling section → rewinding → packaging and storage;

[0049] in:

[0050] (1) Ratio of pulp board: 30% of bleached kraft softwood pulp, 70% of bleached kraft hardwood pulp;

[0051] (2) Refining process: After the pulp plates are mixed evenly, three DD720 double disc mills are used for pulping in series. Temperature 43°SR, wet weight 3.5g;

[0052] (3) Adding filler and slurry to the pulper for mixing and refining, the addition is 200 liters / ton of pulp;

[0053] (4) Add cationic starch in the pipeline between the slurry forming tank and the pre-processing tank;

[0054] (5) Add wet strength agent and AKD at the inlet of the slurry pump;

...

Embodiment 2

[0081] The production process of the fourdrinier paper machine for producing wine label base paper is as follows: pulp plate→chain plate conveying→pulper→discharging tank→refiner→pulp forming tank→machining tank→flushing Pulp pump → pressure screen → headbox → wire section → press section → vat → sizing machine → group vat → calender → coiling section → rewinding → packaging and storage;

[0082] in:

[0083] (1) Ratio of pulp board: 40% of bleached kraft softwood pulp, 60% of bleached kraft hardwood pulp;

[0084] (2) Refining process: After the pulp plates are mixed evenly, three DD720 double disc mills are used for pulping in series. Temperature 45°SR, wet weight 2.5g;

[0085] (3) Adding filler and slurry to the pulper for mixing and refining, the addition is 200 liters / ton of pulp;

[0086] (4) Add cationic starch in the pipeline between the slurry forming tank and the pre-processing tank;

[0087] (5) Add wet strength agent and AKD at the inlet of the slurry pump;

...

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Abstract

The invention belongs to the technical field of papermaking, and particularly relates to a method for producing wine label base paper by a fourdrinier vat paper machine. The method for producing the wine label base paper by the fourdrinier vat paper machine comprises the following production process flows of pulp board, chain board conveying, pulper, discharging pool, pulping machine, pulp forming pool, front pool, pulp flushing pump, pressure screen , pulp flowing box, net part, squeezing part, vat, sizing machine, vat assembling, calender, winding part, rewinding, packaging and warehousing. The vat is used for ironing the paper sheet, meanwhile, the novel film transfer sizing process is adopted, the strength of the front and back surfaces of the paper sheet is improved, the front and back surfaces of the paper sheet are further modified through a double-pressing-area soft calender, finally the high strength of the front and back surfaces is obtained, and the problems that powder falling and roller sticking are prone to occurring in the coating process of wine label body paper produced by the vat paper machine are solved, and the normal coating and aluminum plating requirements of users are met.

Description

technical field [0001] The invention belongs to the technical field of papermaking, and in particular relates to a method for producing wine label base paper by a fourdrinier large-cylinder paper machine. Background technique [0002] The base paper of wine label paper produced by Fourdrinier paper machine has the advantages of high smoothness on the front side of the paper and fine paper quality and good gloss; after coating and overpressure, the wine label paper has high gloss and clear printing pattern after vacuum aluminizing lifelike. However, when the paper is dried in a large vat, the high-temperature rapid drying reduces the initial bonding force of the paper fiber, resulting in a low surface strength. When the wine label base paper is coated by downstream customers, it is easy to leak glue and stick to the coating back roller. Powder will affect the uniformity of coating, and ultimately affect the effect of aluminum plating and printing. In severe cases, the coatin...

Claims

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Application Information

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IPC IPC(8): D21H11/04D21F11/02D21H17/13D21H17/17D21H17/28D21H17/34D21H17/36D21H19/10D21H21/16D21H21/20D21H23/22D21H23/78D21G1/00
CPCD21H11/04D21F11/02D21H21/16D21H19/10D21H17/28D21H17/36D21H17/34D21H17/17D21H21/20D21H17/13D21H23/22D21H23/78D21G1/00
Inventor 王帅徐家东宋佃凤
Owner SHANDONG RENFENG SPECIAL MATERIALS
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