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Reeling waste water deep treating method and apparatus

A technology for the advanced treatment of silk reeling wastewater, which is applied in the fields of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., and can solve the problem of high frequency of backwashing (generally need backwashing once a day, operation Troublesome management, short working cycle, etc., to achieve the effect of improving treatment efficiency, large pollutant holding capacity, and prolonging service life

Active Publication Date: 2014-02-19
GUANGXI CHUNHUI ENVIRONMENTAL PROTECTION ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the "pressure contact oxidation tower", the proliferating sludge produced by the degradation of COD and the suspended solids drawn from the adjustment tank are very easy to block the filter layer of the "biological filter tower" and "activated carbon tower", resulting in short working cycle and backwashing. Disadvantages of high frequency (generally need to backwash once a day), troublesome operation and management

Method used

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  • Reeling waste water deep treating method and apparatus
  • Reeling waste water deep treating method and apparatus
  • Reeling waste water deep treating method and apparatus

Examples

Experimental program
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Effect test

Embodiment 1

[0038] Embodiment one: a kind of silk reeling wastewater advanced treatment method, comprises the following steps:

[0039] A. The silk reeling waste water first passes through the grid well 1 to remove floating matter, and then enters the anaerobic pool 2, where wood chaff charcoal is put into the anaerobic pool, and wood chaff charcoal can be added continuously or intermittently. For: 1m 3 Add 0.05-5kg wood chaff charcoal to the silk reeling wastewater, and the wastewater enters the anaerobic tank 2 to remove nitrate nitrogen and degrade part of COD under the action of anaerobic bacteria.

[0040] B. The effluent from the anaerobic tank enters the aerobic contact oxidation tank 3. Wood chaff charcoal is put into the aerobic contact oxidation tank. The wood chaff charcoal can be added continuously or intermittently. The input amount of wood chaff charcoal is: 1m 3 Add 0.05-5kg of wood chaff charcoal to the silk reeling wastewater, and the wastewater enters the aerobic contac...

Embodiment 2

[0050] Embodiment 2: A kind of silk reeling waste water advanced treatment device, comprises grid well 1, anaerobic pond 2, aerobic contact oxidation pond 3, sedimentation pond 4, anaerobic filter 7, multi-functional biological activated carbon tower 8 connected successively And the clear water tank 11, the bottom of the sedimentation tank 4 is communicated with the sludge disposal discharge system 16 or the anaerobic tank or / and the aerobic contact oxidation tank through the sludge pump 15, and the described sedimentation tank 4 is connected with the anaerobic tank by the lift pump 6 Oxygen filter 7 communicates, and the described aerobic contact oxidation tank and the multifunctional biological activated carbon tower are provided with the aeration air distribution pipe that is supplied with oxygen by blower 5 .

[0051] The anaerobic filter 7 includes a housing and a sump 71, a filter head 72 and a filter material 73 arranged in the housing from top to bottom in sequence. The...

experiment example

[0063]Experimental example: a scale is a silk reeling enterprise of 20 groups, and the daily reeling water consumption is 2100 tons. According to the reeling wastewater advanced treatment method and device construction recycling project of the present invention, the operating capacity is 41KW, and the daily operation is 17 hour, assuming that the electricity price is 0.6 yuan / KW.h, the running electricity cost per ton of water is only: 0.18 yuan. The water quality before and after treatment is as follows:

[0064]

[0065] The treated water is clear and transparent, which can fully meet the needs of silk reeling.

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Abstract

The invention relates to a reeling waste water deep treating method and an apparatus, the method comprises the following steps: A) the reeling waste water is passed through a grating well, then enters into an anaerobic pond, sawdust carbon is put into the anaerobic pond; B) effluent from the anaerobic pond enters into an aerobic contacting oxidation pond, the sawdust carbon is put into the anaerobic contacting oxidation pond; C) effluent from the anaerobic contacting oxidation pond enters into a sedimentation pond; naturally deposited activated sludge containing sawdust carbon is directly discharged or performed with backflow to the above anaerobic pond or / and aerobic contacting oxidation pond, a supernatant is lifted in the sedimentation pond to an anaerobic filter for treating; D) effluent from the anaerobic filter enters into a multifunctional biological active carbon tower; and E) effluent from the multifunctional biological active carbon tower enters into a clean water pond for recycling or directly discharging in a silk reeling workshop. The method and the apparatus have the advantages of low operation cost, high circular reuse rate, good water quality, simple operation management and the like, utilization rate of water resource can be increased, pollution of reeling waste water on environment can be mitigated, and the silkworm industry has a good and fast development.

Description

technical field [0001] The invention relates to a method and device for advanced treatment of wastewater, in particular to a method and device for advanced treatment of silk reeling wastewater, which are suitable for the treatment of reclaimed water of low-concentration organic wastewater. Background technique [0002] Silk reeling enterprises are large water users, and the water consumption for producing 1 ton of white factory silk is about 1,200 tons. Among them, about 1,050 tons are used for silk reeling, about 50 tons for by-product processing, and about 100 tons for boiler water consumption, boiler water film dust removal and domestic water. As for silk reeling wastewater, at present, most domestic enterprises either directly discharge the wastewater after a little treatment, or directly discharge the sewage into the river without any treatment at all, which not only wastes a lot of water resources, but also causes direct pollution to the environment, which is not condu...

Claims

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Application Information

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IPC IPC(8): C02F9/14
Inventor 邓海涛
Owner GUANGXI CHUNHUI ENVIRONMENTAL PROTECTION ENG
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