Machining wastewater treatment technology

A wastewater treatment and mechanical processing technology, applied in water/sewage treatment, flotation water/sewage treatment, water/sewage multi-stage treatment, etc., can solve the problems of complex water quality and inability to discharge directly, and achieve stable effluent quality, reduce Organic load and the effect of saving infrastructure costs

Active Publication Date: 2016-05-18
WUZHOU HUAHONG SEWAGE TREATMENT CO LTD
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  • Abstract
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Problems solved by technology

The water quality is complex and cannot be discharged directly

Method used

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  • Machining wastewater treatment technology

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Embodiment Construction

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] The mechanical processing wastewater treatment process of the present invention, the specific process steps are as follows:

[0025] (1) Pretreatment: The waste water enters the grid pool to intercept large particulate matter through the grid to avoid blockage caused by large particulate matter entering the sewage treatment system. Then it flows into the adjustment tank to balance the water quality and quantity, so that the waste water can enter the subsequent treatment unit evenly.

[0026] By adjusting the setting of the pool, the water quality and quantity can be fully balanced, so that the sewage can enter the subsequent treatment unit more evenly, improve the impact resistance of the whole system, and reduce the design scale of the treatment unit. Helps to reduce operating costs and the impact of water quality fluctuations. Considering the l...

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Abstract

The invention provides a machining wastewater treatment technology. The machining wastewater treatment technology comprises steps as follows: after wastewater passes through a grid pool and large-particle substances are intercepted, the wastewater enters a demulsification pool and is subjected to demulsification for phosphorous removal, then enters an air floatation machine for air floatation separation, enters an anaerobic pool, an anoxic pool and an aerobic pool sequentially for biochemical treatment, enters a sedimentation pool for solid-liquid separation and is finally filtered, sterilized and discharged when up to the standard. The machining wastewater treatment technology adopts a simple procedure and is low in operating cost, the operation is safe and reliable, and the water quality is stable and reaches the standard.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to a process for treating wastewater from mechanical processing. Background technique [0002] The main source of mechanical processing wastewater is metal wastewater such as iron-containing wastewater from workshop manufacturing. Acidic, high COD, poor biodegradability. The water quality is more complex and cannot be directly discharged. Mechanical processing water consumption is huge, and how to use wastewater for recycling is a difficult engineering problem. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a process for treating mechanical processing wastewater with simple process, low operating cost, safe and reliable operation, and stable water quality. [0004] In order to achieve the above object, in the processing technology of mechanical processing wastewater of the present invention, after the wastewater passes through the grid tank ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
CPCC02F1/001C02F1/24C02F1/5236C02F3/30C02F9/00
Inventor 林金华林泰成
Owner WUZHOU HUAHONG SEWAGE TREATMENT CO LTD
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