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A high-temperature paint stripping device and paint stripping method for discarded pop cans

A technology for removing paint from discarded pop-top cans, which is applied in the field of high-temperature paint-removing and high-temperature paint-removing devices for discarded pop-top pop-top cans. It can solve problems such as the inability to remove carbides on the surface of pop-top pop-top cans, and achieve the effects of shortening processing time, saving energy, and saving costs.

Active Publication Date: 2021-05-25
XIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a high-temperature paint stripping device for discarded pop cans, which solves the problem that the existing paint stripping devices for discarded pop cans cannot remove carbides on the surface of pop cans

Method used

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  • A high-temperature paint stripping device and paint stripping method for discarded pop cans
  • A high-temperature paint stripping device and paint stripping method for discarded pop cans
  • A high-temperature paint stripping device and paint stripping method for discarded pop cans

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] Step 1. Clean the discarded pop cans, cut them into discs with a diameter of 0.5 cm, conduct thermogravimetric analysis on the discarded pop cans discs, and determine that the temperature range for high-temperature paint removal is within the range of 20°C to 650°C;

[0067] Step 2. Cut the discarded cans into pieces of 3cm×3cm and clean them. During the cleaning process, add detergent and stir to remove sugar stains and dust remaining on the surface of the discarded cans. Dry the cleaned pieces at a temperature of 80°C. Dried, remove the moisture and set aside.

[0068] Step 3. Weigh the discarded pop can fragments after the pretreatment in step 2, and record it as M 1 , and then place it in the rotary reaction chamber 2 for high-temperature paint removal treatment;

[0069] Wherein, the high-temperature paint stripping temperature is 500° C., and the paint stripping time is 20 minutes.

[0070] Step 4. Rotate and oscillate the rotary reaction chamber 2 in step 3, os...

Embodiment 2

[0075] Step 1. Clean the discarded pop cans, cut them into discs with a diameter of 0.5 cm, conduct thermogravimetric analysis on the discarded pop cans discs, and determine that the temperature range for high-temperature paint removal is within the range of 20°C to 650°C;

[0076] Step 2. Cut the discarded cans into pieces of 3cm×3cm and clean them. During the cleaning process, add detergent and stir to remove sugar stains and dust remaining on the surface of the discarded cans. Dry the cleaned pieces at a temperature of 80°C. Dried, remove the moisture and set aside.

[0077] Step 3. Weigh the discarded pop can fragments after the pretreatment in step 2, and record it as M 1 , and then place it in the rotary reaction chamber 2 for high-temperature paint removal treatment;

[0078] Wherein, the high-temperature paint stripping temperature is 520° C., and the paint stripping time is 20 minutes.

[0079] Step 4. Rotate and oscillate the rotary reaction chamber 2 in step 3, os...

Embodiment 3

[0085] Step 1. Clean the discarded pop cans, cut them into discs with a diameter of 0.5 cm, conduct thermogravimetric analysis on the discarded pop cans discs, and determine that the temperature range for high-temperature paint removal is within the range of 20°C to 650°C;

[0086] Step 2. Cut the discarded cans into pieces of 3cm×3cm and clean them. During the cleaning process, add detergent and stir to remove sugar and dust remaining on the surface of the discarded cans. Dry the cleaned pieces at 100°C Dried, ready to use after removing water;

[0087] Step 3. Weigh the discarded pop can fragments after the pretreatment in step 2, and record it as M 1 , and then place it in the rotary reaction chamber 2 for high-temperature paint removal treatment;

[0088] Among them, the high-temperature paint stripping temperature is 540° C., and the paint stripping time is 20 minutes.

[0089] Step 4. Rotate and oscillate the rotary reaction chamber 2 in step 3, oscillate the surface c...

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Abstract

A high-temperature paint removal device for discarded pop cans disclosed by the present invention comprises a box body, a temperature control panel and a rotation speed control panel are respectively arranged on the outer wall of the box body, a rotating reaction chamber is arranged in the box body, and a heating wire is arranged on the inner wall of the rotating reaction reaction chamber , the temperature control panel is connected with the heating wire, the rotating reaction chamber is connected with a motor, and the motor is connected with the speed control panel. The diameter of the upper opening of the collection chamber is not smaller than the diameter of the lower opening of the rotating reaction chamber; the problem that the existing high-temperature paint stripping device for discarded pop cans cannot remove surface carbides is solved, and the invention also discloses a high-temperature paint stripping method for discarded pop cans, which solves the problem of existing The paint removal method for discarded pop cans has weak treatment capacity, and it is difficult to remove surface carbides and will cause secondary pollution.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloy regeneration devices, relates to a high-temperature paint stripping device for discarded pop cans, and also relates to a method for using the paint stripping device to perform high-temperature paint stripping on discarded pop cans. Background technique [0002] Aluminum cans are light, beautiful, easy to use and easy to carry, and are one of the most popular packaging materials in the beverage packaging industry in the world today. At present, the world consumes about 150 billion pop cans every year, and consumes more than 2 million tons of aluminum alloy, accounting for about 15% of the world's total aluminum consumption. Since pop cans are used and discarded, a large amount of waste and old aluminum pop can resources have been generated. The existing raw materials for aluminum pop cans are mainly high-quality 3004 / 3104 aluminum alloys, and there is only a small amount of loss during use,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09B3/00B09B5/00
Inventor 王武孝罗京兆刘雪雍
Owner XIAN UNIV OF TECH
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