Treatment system for electronic waste and application of system

A technology for electronic waste and waste gas treatment, which is applied in the direction of gas treatment, dispersed particle separation, combined device, etc., can solve the problem of incomplete treatment of volatile organic compounds, and achieve the effect of simple structure, low equipment cost and low operation cost

Pending Publication Date: 2019-12-03
荆门格林循环电子废弃物处置有限公司 +1
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Problems solved by technology

[0004] In view of this, the main purpose of the present invention is to provide a waste gas treatment system for electronic waste recycling, which solves the problem of incomplete treatment of volatile organic compounds in waste gas generated in the process of electronic waste recycling in the prior art

Method used

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  • Treatment system for electronic waste and application of system
  • Treatment system for electronic waste and application of system
  • Treatment system for electronic waste and application of system

Examples

Experimental program
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Effect test

experiment example

[0046] The discharged purified gas is detected, and according to the detection data, it can be seen that the system of the present invention can treat the VOCs waste gas of the baking plate through the process of hot lye spray absorption + high-efficiency degreaser degreasing + photocatalytic decomposer decomposition. In VOCs (volatile organic compounds) less than 1000mg / m 3 When the export VOCs content is less than 10mg / m 3 .

[0047] Compared with the prior art, the present invention aims at the characteristics that the waste gas generated in the recycling process of electronic waste contains both low-boiling point components and high-boiling point oils, and develops hot lye spray absorption + high-efficiency degreaser to remove oil + light The combined exhaust gas treatment process of catalytic decomposition realizes a more effective treatment of volatile organic compounds in the exhaust gas generated during the recycling of electronic waste; at the same time, the system a...

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Abstract

The invention discloses a treatment system for waste gas during electronic waste recycling. The system includes a spray absorption device, a degreaser, a photocatalytic decomposer and a fan; and the spray absorption tower, the degreaser, the photocatalytic decomposer and the fan are connected in sequence through pipelines. The invention develops a combined waste-gas treatment process of hot alkaliliquid spray absorption + high-efficiency removal of oil components by the degreaser + photocatalytic decomposition aiming at the characteristics that the waste gas generated in the electronic wasterecycling process contains low-boiling-point components and high-boiling-point oil components to realize more effective treatment of volatile organic compounds in the waste gas generated in the electronic waste recycling process; and at the same time, the system has the characteristics of a simple structure, low equipment costs, and low operating costs.

Description

technical field [0001] The invention belongs to the technical field of waste gas treatment, and in particular relates to a waste gas treatment system for recycling electronic waste and its application. Background technique [0002] The composition of electronic waste is complex, and more than half of the materials are harmful to human body, and some are even highly toxic. For example, a computer has more than 700 components, half of which contain various toxic chemicals such as mercury, arsenic, and chromium; electronic products such as televisions, refrigerators, and mobile phones also contain heavy metals such as lead, chromium, and mercury, causing Environmental pollution threatens the health of local residents; but at the same time, electronic waste contains a large amount of metal resources, especially precious metals, whose grade is dozens or even hundreds of times that of natural mineral deposits, and the recycling cost is generally lower than that of mining Natural ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/18B01D53/86B01D53/44B01D50/00
CPCB01D53/007B01D53/1487B01D53/185B01D53/8687B01D2257/708B01D2259/804B01D50/20
Inventor 许开华鲁习金
Owner 荆门格林循环电子废弃物处置有限公司
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