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Electroplating waste gas comprehensive treatment device and process

A technology for comprehensive treatment and waste gas treatment, which is applied to combined devices, electrolysis components, and electrolysis processes.

Active Publication Date: 2013-08-28
QINGDAO HAOCHEN ENVIRONMENT HYGIENE MONITORING
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  • Application Information

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Problems solved by technology

The current exhaust gas operation facilities of the enterprises in the existing park mainly adopt self-operation control, manual dosing and artificial control of dosing time. It is very likely that the waste gas will be caused by untimely dosing, too much or too little Issues such as non-compliance

Method used

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  • Electroplating waste gas comprehensive treatment device and process
  • Electroplating waste gas comprehensive treatment device and process

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Embodiment Construction

[0018] Further description will be given below in combination with specific embodiments.

[0019] A comprehensive treatment device for electroplating waste gas, including a plating tank waste gas treatment system and an organic waste gas treatment system. The plating tank waste gas treatment system includes a gas collection hood 2 arranged above the plating tank 1. The mist treatment tower 4 is connected, and the pipeline is connected with a closed first-level spray treatment box 5 in the acid mist treatment tower 4. The top of the first-level spray treatment box 5 is provided with a spray device 7, and the bottom is provided with a plurality of side belts. The ventilation pipe 9 of the air hole 8, the ventilation pipe 9 communicates with the acid mist treatment tower 4, and the acid mist treatment tower 4 is provided with a multi-stage spray device 7 above the primary spray treatment box 5, so the spray devices 7 all pass through The pump is connected with the absorption liqu...

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Abstract

The invention relates to an electroplating waste gas comprehensive treatment device and an electroplating waste gas comprehensive treatment process. The electroplating waste gas comprehensive treatment device comprises a plating tank waste gas treatment system and an organic waste gas treatment system; the electroplating waste gas comprehensive treatment process comprises the following steps of: feeding a waste gas generated by each plating tank, a waste gas generated in a paint spraying process and organic waste gas generated in an electrophoresis drying process to an acid mist treatment tower or a purifying treatment tower for absorbing and treating after respective pre-treatment; spraying the waste gases to a spraying device in a primary spraying treatment box for spraying and atomizing; moving down the atomized waste gases along a ventilating tube under the pushing of continuously fed-in gases, wherein the ventilating tube is under an absorption liquid level; separating the gases into fine gas bubbles by virtue of gas pores; spraying and treating the gases treated by the absorption liquid by a secondary spraying device and a tertiary spraying device when the gases overflow out of the liquid level and are exhausted in an exhaustion port direction; and finally exhausting the treated gases from a gas exhaustion barrel. The electroplating waste gas comprehensive treatment device and the electroplating waste gas comprehensive treatment process disclosed by the invention can be used for comprehensively treating various waste gases according to the complex and various characteristics of waste gases in the electroplating enterprises, so that the treatment effect and the treatment efficiency are greatly improved, and therefore, an important path is provided for the environment-friendly work of the electroplating enterprises.

Description

technical field [0001] The invention relates to a waste gas comprehensive treatment device and process, belonging to the technical field of environmental protection. Background technique [0002] Electroplating enterprises mainly focus on galvanizing and decorative chrome plating, with a small amount of jewelry electroplating, electrophoretic paint, and spray paint. According to the electroplating process of each enterprise and the raw materials used, the main types of waste gas generated are: acid-base mist, chromic acid mist, hydrogen cyanide, and organic waste gas. The current exhaust gas operation facilities of the enterprises in the existing park mainly adopt self-operation control, manual dosing and artificial control of dosing time. It is very likely that the waste gas will be caused by untimely dosing, too much or too little non-compliance issues. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior ...

Claims

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Application Information

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IPC IPC(8): B01D53/76B01D53/78B01D50/00C25D21/04
Inventor 王辉刘丽娥薛彩莲
Owner QINGDAO HAOCHEN ENVIRONMENT HYGIENE MONITORING
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