Complete-reclaiming process of down wastewater and special feather fishing machine without driving force

A hair removal machine and driving force technology, applied in the direction of biological water/sewage treatment, flotation water/sewage treatment, water/sewage multi-stage treatment, etc., can solve the problems of sludge load reduction, management difficulties, waste, etc., to achieve Effect of reducing processing load and ensuring normal operation

Active Publication Date: 2010-07-07
浙江省机电设计研究院有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] According to the method of treating rough washing water and recovering fine washing water, although the amount of treated water is relatively reduced and the investment in civil construction facilities is relatively low, the disadvantages are: ① the pollution concentration of rough washing water is high, and the treatment difficulty increases; ② the B/C ratio of fine washing water It is relatively low and unfavorable for biochemical treatment; ③ even if part of the excess 50% of the fine washing water is used for greening or sanitary flushing water, a considerable part is discharged, which still causes certain water pollution and waste of water resources; ④ A large amount of water must be replenished every day for fine wash

Method used

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  • Complete-reclaiming process of down wastewater and special feather fishing machine without driving force
  • Complete-reclaiming process of down wastewater and special feather fishing machine without driving force
  • Complete-reclaiming process of down wastewater and special feather fishing machine without driving force

Examples

Experimental program
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Effect test

Embodiment

[0049] A large down product factory discharges 6,000 tons of waste water per day, and the influent water quality indicators:

[0050]

[0051] treatment techniques such as figure 1 The flow shown:

[0052] 1) The washing water, drying water and other waste water of each production line are introduced into the grit chamber through open ditch and hidden pipes to deposit mud and sand;

[0053] 2) The water in the grit chamber is lifted by the pump, and after the fine suspended matter such as down flakes is picked up by the hair scooping machine, it enters the regulating tank;

[0054]3) Pre-aeration is carried out in the regulating tank to fully homogenize the water quality and quantity;

[0055] 4) The effluent from the regulating tank flows into the air flotation tank by itself to remove a large amount of tiny suspended solids in the wastewater, so as to reduce the load of subsequent biochemical treatment;

[0056] 5) The effluent from the air flotation tank flows into th...

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PUM

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Abstract

The invention discloses a complete-reclaiming process of down wastewater and a special feather fishing machine without driving force. A grit basin, a balance tank, a floatation tank, a biological contact oxidation tank, a secondary sedimentation tank, a clarifying basin, a no-value sand filter, a disinfection tank, a sludge thickening tank, a feather fishing machine without driving force specially used for reclaiming process, and the like are adopted to process wastewater. The complete-reclaiming process has low processing cost and good processing effect and realizes zero emission and down reclaiming.

Description

technical field [0001] The invention relates to a process for treating sewage, in particular to a process for treating eiderdown wastewater containing high-concentration organic matter and special equipment. Background technique [0002] For down washing, first pour clean water into the washing machine equipped with down, and at the same time add detergent and hydrogen peroxide for the first washing. After washing, drain the water, and then inject clean water again. 1 rough wash, 10 fine washes. Due to the addition of detergent and deodorant in the rough washing process, the pollution concentration of the discharged water is high, and the CODcr is as high as 1000-2500mg / L, which is a high-concentration organic wastewater, while the fine washing water has a large amount of water and a relatively low concentration, with a CODcr of 200 ~500mg / L. In order to save water resources, a considerable number of enterprises in my country's down industry currently use the method of treat...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F1/40C02F1/24C02F3/34C02F11/12
Inventor 陈寅生许猛李宏伟罗立贤谢尚祺
Owner 浙江省机电设计研究院有限公司
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