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Cleaning process and production line of PET (polyethylene terephthalate) bottle sheets

A bottle flake and process technology, applied in the field of PET bottle flake cleaning process and its production line, can solve the problem of difficult removal of pollutant sources, and achieve the effects of improving energy utilization rate, reducing processing cost and improving product quality

Inactive Publication Date: 2014-03-19
福建鑫华股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The main purpose of the present invention is to provide a PET bottle flake cleaning process, which has the characteristics of meeting the requirements of subsequent production and processing, improving product quality, saving energy and reducing consumption, and reducing production and processing costs, and at the same time solves the problem of impurities in existing PET recycled bottles. , The problem that the sources of pollutants are extensive and difficult to remove

Method used

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  • Cleaning process and production line of PET (polyethylene terephthalate) bottle sheets
  • Cleaning process and production line of PET (polyethylene terephthalate) bottle sheets
  • Cleaning process and production line of PET (polyethylene terephthalate) bottle sheets

Examples

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Comparison scheme
Effect test

Embodiment 1

[0043] The invention relates to a cleaning process for PET bottle flakes. After the PET bottle is opened, the whole bottle pre-cleaning device initially removes impurities, the label-removing device removes the label, the sorting device removes bottles of different colors and non-PET material bottles, and the manual sorting platform Manual sorting, crushing by crushing device, hot washing in hot cooking pot, neutralization in neutralization tank, rinsing by rinsing device, spin-drying, drum drying, mixing, weighing and packaging.

[0044] It should be noted that the water used for the initial impurity removal of the whole bottle pre-cleaning device involved in the present invention comes from the water after hot washing in the hot cooking pot at a temperature of 60-80°C after being diluted and adjusted to a pH of 8-9. Alkaline water; the purpose of choosing alkaline water with a pH of 8-9 after the temperature of 60-80°C after hot washing in the hot cooking pot is to ensure wat...

Embodiment 2

[0062] The invention relates to a cleaning process for PET bottle flakes. After the PET bottle is opened, the whole bottle pre-cleaning device initially removes impurities, the label-removing device removes the label, the sorting device removes bottles of different colors and non-PET material bottles, and the manual sorting platform Manual sorting, crushing by crushing device, hot washing in hot cooking pot, neutralization in neutralization tank, rinsing by rinsing device, spin-drying, drum drying, mixing, weighing, and packaging.

[0063] It should be noted that the water used for the initial impurity removal of the whole bottle pre-cleaning device involved in the present invention comes from the water after hot washing in the hot cooking pot at a temperature of 60-80°C after being diluted and adjusted to a pH of 8-9. Alkaline water; the purpose of choosing alkaline water with a pH of 8-9 after the temperature of 60-80°C after hot washing in the hot cooking pot is to ensure wa...

Embodiment 3

[0081] The invention relates to a cleaning process for PET bottle flakes. After the PET bottle is opened, the whole bottle pre-cleaning device initially removes impurities, the label-removing device removes the label, the sorting device removes bottles of different colors and non-PET material bottles, and the manual sorting platform Manual sorting, crushing by crushing device, hot washing in hot cooking pot, neutralization in neutralization tank, rinsing by rinsing device, spin-drying, drum drying, mixing, weighing, and packaging.

[0082] It should be noted that the water used for the initial impurity removal of the whole bottle pre-cleaning device involved in the present invention comes from the water after hot washing in the hot cooking pot at a temperature of 60-80°C after being diluted and adjusted to a pH of 8-9. Alkaline water; the purpose of choosing alkaline water with a pH of 8-9 after the temperature of 60-80°C after hot washing in the hot cooking pot is to ensure wa...

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Abstract

The invention discloses a cleaning process and a production line of PET (polyethylene terephthalate) bottle sheets. The cleaning process comprises the following steps of unpacking PET bottles, carrying out primary impurity removing by utilizing a whole bottle pre-cleaning device, removing labels from the PET bottles by utilizing a label removing device, removing heterochromous bottles and the bottles which are not made of PET materials by utilizing a sorting device, carrying out manual sorting by using a manual sorting platform, crushing by utilizing a crushing device, carrying out thermal cleaning by utilizing a thermal boiling boiler, neutralizing by utilizing a neutralizing tank, rinsing by utilizing a rinsing device, carrying out spin drying, drying by utilizing a drying cylinder, mixing, weighing and packaging, thus finishing the cleaning. According to the cleaning process, in full consideration of problem that too many impurities and pollutants exist in recycled PET bottles, various devices in a production process are adaptively transformed to be fit for the cleaning of the PET bottle sheets; the bottle sheets produced by utilizing the cleaning process and the production line can completely meet subsequent production and processing requirements, and the quality of the bottle sheets is improved; by utilizing a steam recycling system and the continuous spin-drying and drying operations, the energy utilization ratio can be greatly improved, the subsequent production and processing costs are lowered, and the cleaning process and the production line have wide social generalization significances.

Description

technical field [0001] The invention relates to the field of cleaning PET bottle flakes, in particular to a PET bottle flake cleaning process and a production line thereof. Background technique [0002] As we all know, in recent years, with the surge of the global population, the consumption of various plastic bottles has also increased significantly. Among them, due to the stable and excellent chemical properties of PET and good physical properties, the consumption of PET bottles has increased sharply worldwide. Facing the rapidly changing waste PET bottles, the waste PET bottle recycling industry urgently needs to promote the industrialization, scale and mechanization of waste PET bottle recycling. Because the material of the body of the bottle is different from that of the label attached to the bottle and the bottle cap --- the bottle body is usually PET, and the label is made of PVC, PE, PP and other materials, which caused problems in the recycling process. increase i...

Claims

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Application Information

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IPC IPC(8): B29B17/00B29B17/02B29B17/04B08B3/10B08B3/08
CPCY02W30/52Y02W30/62
Inventor 吴端王山英何碧明田雨胜
Owner 福建鑫华股份有限公司
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