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Organic glass waste degradation process with high thermal efficiency

A technology of plexiglass and thermal efficiency, which is applied in organic chemistry, preparation of organic compounds, chemical industry, etc., can solve problems such as the tight combination between the inner cavity of aluminum alloy profiles and the inner lining of steel, so as to improve the efficiency of heat utilization and solve the problem of heat utilization low rate effect

Pending Publication Date: 2022-01-25
CHENGDU PENGZHOU ZHONGYOU ACRYLIC
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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 process for degrading plexiglass waste with high thermal efficiency, and to solve the problem that the existing aluminum alloy profile cavity and steel lining are not tightly combined

Method used

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  • Organic glass waste degradation process with high thermal efficiency

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A process for degrading plexiglass waste with high thermal efficiency, comprising the following steps:

[0041] (1) Put the plexiglass waste into the storage bin after descaling, and transport it into the cracking furnace by a screw conveyor;

[0042] (2) Through the material distributor in the cracking furnace, the organic glass waste is evenly distributed in the cracking furnace, so that the organic glass waste can be more fully contacted with the heating pipe in the cracking furnace;

[0043] (3) The heating tubes are distributed in the pyrolysis furnace in a ring shape, and the heating medium used by the heating tubes is heat transfer oil and molten salt, and the heating medium is heated to 400° C. through the heating medium heater;

[0044] (4) The heating medium circulates in the heating tube, and the heating time is 8 hours. During heating, the plexiglass waste is stirred by a stirrer, so that the plexiglass waste is heated more evenly. The stirring method is con...

Embodiment 2

[0048] A process for degrading plexiglass waste with high thermal efficiency, comprising the following steps:

[0049] (1) Put the plexiglass waste into the storage bin after descaling, and transport it into the cracking furnace by a screw conveyor;

[0050] (2) Through the material distributor in the cracking furnace, the organic glass waste is evenly distributed in the cracking furnace, so that the organic glass waste can be more fully contacted with the heating pipe in the cracking furnace;

[0051] (3) The heating tubes are distributed in the cracking furnace in a ring shape, and the heating medium used by the heating tubes is heat transfer oil and molten salt, and the heating medium is heated up to 420° C. through the heating medium heater;

[0052] (4) The heating medium circulates in the heating tube, and the heating time is 9 hours. During heating, the plexiglass waste is stirred by a stirrer, so that the plexiglass waste is heated more evenly. The stirring method is c...

Embodiment 3

[0056] A process for degrading plexiglass waste with high thermal efficiency, comprising the following steps:

[0057] (1) Put the plexiglass waste into the storage bin after descaling, and transport it into the cracking furnace by a screw conveyor;

[0058] (2) Through the material distributor in the cracking furnace, the organic glass waste is evenly distributed in the cracking furnace, so that the organic glass waste can be more fully contacted with the heating pipe in the cracking furnace;

[0059] (3) The heating tubes are annularly distributed in the cracking furnace, and the heating medium used by the heating tubes is heat transfer oil and molten salt, and the heating medium is heated to 390° C. through the heating medium heater;

[0060] (4) The heating medium circulates in the heating tube, and the heating time is 10 hours. During heating, the plexiglass waste is stirred by a stirrer, so that the plexiglass waste is heated more evenly. The stirring method is continuou...

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Abstract

The invention discloses an organic glass waste degradation process with high thermal efficiency, belongs to the technical field of organic glass production, and aims to solve the problems that the heat utilization rate is low and energy conservation and environmental protection are not enough when existing organic glass waste is recovered and degraded. The method comprises the following steps: (1) descaling organic glass waste, putting the organic glass waste into a storage bin, and conveying the organic glass waste into a cracking furnace through a screw conveyor; (2) uniformly distributing the organic glass waste through a material distributor; (3) annularly distributing a heating pipe in a cracking furnace, adopting heat conduction oil and molten salt as a heating medium, and heating the heating medium to 400 DEG C; (4) circulating the heating medium in the heating pipe to heat the organic glass waste for 8-10 h, and stirring through a stirrer during heating; (5) vaporizing methyl methacrylate in the organic glass waste by heating, discharging the vaporized methyl methacrylate from the cracking furnace, and condensing the vaporized methyl methacrylate through a condenser to obtain a methyl methacrylate liquid; and (6) discharging the cracked waste residue through a residue discharging device, and then collecting the waste residue. The process is suitable for organic glass waste degradation.

Description

technical field [0001] The invention belongs to the technical field of organic glass production, and in particular relates to a process for degrading organic glass waste with high thermal efficiency. Background technique [0002] Plexiglass has been widely used in life. The raw material for producing plexiglass is usually plexiglass oil. There are usually two ways to obtain plexiglass oil, one is to melt oil, and the other is to melt waste plexiglass. The method of melting waste plexiglass to obtain plexiglass oil can reduce the consumption of petroleum resources and realize the recycling of waste plexiglass, which has become an important method for the manufacture of plexiglass oil. [0003] Recycling and utilization of waste plexiglass can not only reduce oil consumption, but also realize the reuse of waste plexiglass, which is in line with the national waste resource recycling policy. The main way to recycle waste plexiglass is to use heating to melt waste plexiglass t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62D3/40C07C67/333C07C67/52C07C69/54A62D101/28
CPCA62D3/40C07C67/333C07C67/52A62D2101/28C07C69/54Y02P20/10
Inventor 徐洪良
Owner CHENGDU PENGZHOU ZHONGYOU ACRYLIC
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