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Waste rubber regeneration method and device

A regeneration device and waste rubber technology, applied in the direction of plastic recycling, recycling technology, etc., can solve the problems of uneven heating of rubber powder particles, overheating of rubber materials, high efficiency, etc., and achieve high reusable value, low noise pollution, and high efficiency Effect

Inactive Publication Date: 2015-06-03
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention adopts the complementary heating mode of microwave electromagnetic combination, and utilizes the combined complementary heating mode of the microwave section from inside to outside and the electromagnetic section from outside to inside to overcome the problems existing in a single device, with high efficiency and low energy consumption; There is a screw stirring propulsion device, which can solve the problems of uneven heating inside and outside the rubber powder particles, overheating of the rubber part, stickiness, smoke and even carbonization in the regeneration process of traditional microwave and electromagnetic devices.

Method used

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  • Waste rubber regeneration method and device
  • Waste rubber regeneration method and device

Examples

Experimental program
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Effect test

Embodiment 1

[0028] Example 1: Microwave (screw stirring propulsion) + electromagnetic (material axis spiral propulsion)

[0029] Take 30-40 mesh waste tire whole tire rubber powder as an example. Take the quantitative mixed rubber powder and add it to a microwave desulfurization device through the feeding device, and regenerate it under 2450MHz, 800W microwave radiation, control the temperature between 160-180°C, and control the screw motor speed at 500-900r / min. After desulfurization and regeneration for 6 minutes, it is directly discharged into the feed port of the second-stage electromagnetic desulfurization device through the outlet of the first-stage microwave desulfurization device. The heating power is 2KW, the temperature is controlled between 160-180°C, and the speed of the screw motor is controlled at 500-900r / min. Continue to desulfurize and regenerate for 8 minutes under the same conditions. After the regeneration is completed, the discharge port of the second-stage electro...

Embodiment 2

[0030] Example 2: microwave (screw stirring propulsion) + electromagnetic (material axis spiral propulsion)

[0031] Take 30-40 mesh waste tire whole tire rubber powder as an example. Take the quantitative mixed rubber powder and add it to a microwave desulfurization device through the feeding device, and regenerate it under 2450MHz, 800W microwave radiation, control the temperature between 160-180°C, and control the screw motor speed at 500-900r / min. After desulfurization and regeneration for 5.5 minutes, it is directly discharged into the feed port of the second-stage electromagnetic desulfurization device through the outlet of the first-stage microwave desulfurization device. The heating power is 2KW, the temperature is controlled between 160-180°C, and the speed of the screw motor is controlled at 500-900r / min. Under the conditions, desulfurization and regeneration continued for 8.5 minutes. After the regeneration is completed, the discharge port of the second-stage ele...

Embodiment 3

[0032] Example 3: Microwave (screw stirring propulsion) + electromagnetic (material axis spiral propulsion)

[0033] Take 30-40 mesh waste tire whole tire rubber powder as an example. Take the quantitative mixed rubber powder and add it to a microwave desulfurization device through the feeding device, and regenerate it under 2450MHz, 800W microwave radiation, control the temperature between 160-180°C, and control the screw motor speed at 500-900r / min. Desulfurization and regeneration takes 6.5 minutes, and it is directly discharged into the inlet of the second-stage electromagnetic desulfurization device through the outlet of the first-stage microwave desulfurization device. The heating power is 2KW, the temperature is controlled between 160-180°C, and the speed of the screw motor is controlled at 500-900r / min. Under the conditions, desulfurization and regeneration continued for 7.5 minutes. After the regeneration is completed, the discharge port of the second-stage electro...

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Abstract

The invention relates to a waste rubber regeneration method and device. The method is implemented through steps as follows: smashed vulcanized rubber granules are subjected to first-section microwave and second-section electromagnetic heating by a microwave-electromagnetic combined desulfurization device for desulfurization, the desulfurized vulcanized rubber granules directly enter a feeding port of an extruder from a discharge port of an electromagnetic desulfurization device and are subjected to plastification, cooling and filtering through the extruder, and finally, the whole process is completed. The device sequentially comprises the following parts: a feeding machine, a first-section microwave desulfurization device, a second-section electromagnetic desulfurization device, the extruder, a filtering device and a packaging device. The method and the device have the advantages that the production efficiency is high, the cost is low, the application range is wide, industrial production can be realized, the environment-friendly effect of the production process is good, and two efficient energy-saving heating manners are complementarily combined, so that defects of an original desulfurization method can be overcome, and efficiency and economy of the rubber regeneration process are greatly improved.

Description

technical field [0001] The invention relates to a method and a device for recycling technology of waste rubber, in particular to a method for desulfurization and regeneration of waste vulcanized rubber and a complete set of equipment for efficiently and continuously producing high-quality regenerated rubber. Background technique [0002] At present, tens of millions of tons of waste rubber are not fully utilized in my country every year, and hundreds of tons of rubber raw materials are imported from abroad every year. According to the country's sustainable development concept of "reduction, reuse, recycling and harmlessness", the recycling of waste rubber resources is one of the major measures to implement sustainable development and ensure economic growth; it is to turn waste into treasure , turning harm into profit, preventing waste rubber pollution, and an important way to protect the environment: it is a means to develop circular economy, reduce waste rubber, make it har...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J11/10
CPCY02W30/62
Inventor 辛振祥李琳侯占峰
Owner QINGDAO UNIV OF SCI & TECH
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