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Paper and plastic separation technology of waste paper aluminum plastic composite packaging materials

A composite packaging material, paper-plastic separation technology, applied in the direction of solid separation, plastic recycling, mechanical material recycling, etc., can solve the problems of insufficient recycling of products, low product purity, and insufficient separation, and achieve high recycling rate , Improve recycling rate, save cleaning time

Active Publication Date: 2017-01-04
漳州市陆海环保产业开发有限公司
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AI Technical Summary

Problems solved by technology

At present, the main problems in the paper-aluminum-plastic separation technology of Tetra Pak are that the separation is not thorough enough to result in low product purity, the separation process system is not perfect, the recovery of products is not comprehensive enough, and the separation process cannot be industrialized.

Method used

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  • Paper and plastic separation technology of waste paper aluminum plastic composite packaging materials
  • Paper and plastic separation technology of waste paper aluminum plastic composite packaging materials

Examples

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Embodiment example

[0016] Implementation case: Xiamen Luhai Environmental Protection Co., Ltd. The daily processing capacity of raw materials in the paper-plastic separation process is 200t / day (wet weight, moisture content about 40%), and the current moisture content of the produced aluminum-plastic film is <50%; the pulp output is 24t / day (moisture content: about 68%, Equivalent dry weight of about 4t).

[0017] Such as figure 1 As shown, a paper, aluminum and plastic waste slag separation device according to the present invention mainly includes a material feeding module, a flotation module, a material removal and slag removal module, and an overflow circulation module.

[0018] 1) The feeding and mixing module is mainly composed of main components such as the water inlet pipe 4, the feed port 3, and the propeller 2 (2 groups). The water inlet pipe sends the water body into the flotation tank through the water pump outside the reservoir In 13, the feed port 3 is set above the water inlet pi...

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Abstract

The invention discloses a paper and plastic separation technology of waste paper aluminum plastic composite packaging materials. The technology comprises two modules of slurry breaking selection and washing concentration, paper and plastic separation and washing can be conveniently carried out on composite packaging materials of tetra pak and the like, paper in the packaging materials is separated out of the paper and aluminum plastic composite materials in a paper slurry manner, no secondary pollution exists in the process, cleaning water can be subject to efficient segmental treatment and recycling through a sewage recycling system, the use amount of water is greatly reduced, and the aims of energy saving and emission reducing are achieved; the separated paper slurry enters the next slurry washing concentration module, and through coarse paper removing purification, cleaning, concentration wiping and other working procedures of paper slurry, paper is efficiently recycled. An aluminum plastic film remaining after paper slurry removal is conveyed to an aluminum plastic separation technology system, through the joint effect of continuous gravity floatation and micro bubble floatation, waste disintegrating slag is separated, and the recycling utilization rate of the plastic broken film is improved.

Description

technical field [0001] The invention relates to a process method for separating paper and plastic in waste paper-aluminum-plastic composite packaging, in particular to a process method for separating paper and plastic in waste Tetra Pak. Background technique [0002] In recent years, with the continuous development of the global economy, the market demand for fruit drinks and milk in various countries has continued to increase, and Tetra Pak waste such as soft drink bags and milk boxes has also increased, which has caused certain pressure on the environment and resources. . Recycling waste paper-aluminum-plastic composite packaging materials is an important way to regenerate resources. Recycling and reusing the main components such as aluminum, paper, and plastic in Tetra Pak can not only relieve environmental pressure, but also bring economic benefits to related companies. Huge economic benefits; due to the large differences in the properties of paper, plastic, aluminum fo...

Claims

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Application Information

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IPC IPC(8): B03B9/06B03D1/00
CPCB03B9/06B03D1/00Y02W30/52Y02W30/62
Inventor 江凤凤钱庆荣段杰郑而同王华谢奕斌王智峰
Owner 漳州市陆海环保产业开发有限公司
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