CN203212431U - Papermaking sewage regeneration system - Google Patents

Papermaking sewage regeneration system Download PDF

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Publication number
CN203212431U
CN203212431U CN 201320111311 CN201320111311U CN203212431U CN 203212431 U CN203212431 U CN 203212431U CN 201320111311 CN201320111311 CN 201320111311 CN 201320111311 U CN201320111311 U CN 201320111311U CN 203212431 U CN203212431 U CN 203212431U
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tower
water
micro
regeneration system
electrolysis stuffing
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CN 201320111311
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陈颖颖
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Abstract

The utility model provides a papermaking sewage regeneration system which has a good wastewater treatment effect and can completely recycle wastewater for production to realize zero emission to the outside. The papermaking sewage regeneration system comprises a water collecting tank, a filtering roller screen machine, a waste pulp collecting tank, a stirring reaction tower, a primary settling tower, a secondary settling tower and a backwater tank, wherein the outlet of the water collecting tank is connected with a water inlet of the filtering roller screen machine through a water pump; a water outlet of the filtering roller screen machine is connected with a water inlet of the stirring reaction tower; a waste pulp outlet of the filtering roller screen machine is connected with a waste pulp inlet of the waste pulp collecting tank; a water outlet of the stirring reaction tower is connected with a water inlet of the primary settling tower; a water outlet of the primary settling tower is connected with a water inlet of the secondary settling tower; a water outlet of the secondary settling tower is connected with the backwater tank through a water pipe; a micro-electrolysis filler cylinder is arranged between the primary settling tower and the secondary settling tower; a micro-electrolysis filler filter layer is arranged below a water inlet in the micro-electrolysis filler cylinder; and a biological filler filter layer is arranged below the micro-electrolysis filler filter layer in the micro-electrolysis filler cylinder.

Description

A kind of papermaking wastewater regeneration system rapidly
Technical field
The utility model relates to a kind of Waste Water Treatment, especially relates to a kind of papermaking wastewater regeneration system rapidly.
Background technology
The sewage quantity of the annual discharging of China is very big, and discharging is few again after treatment, and environment is done a lot of damage, and each big water system of China all produces pollution in various degree, water surrounding severe exacerbation.For a long time, paper waste is one of fast-developing problem of restriction paper industry always, Pollutant levels height in the paper waste, composition is complicated, contains a large amount of paper making raw materials and pharmaceutical chemicals, and oxygen consumption is serious, cause the paper waste difficult treatment, become one of industry of serious environment pollution.If paper waste is directly discharged the meeting serious environment pollution, so must be through purifying treatment.
Existing papermaking wastewater treatment unit comprises the spacing grid maker, the wastewater collection pond, tiltedly net drags for stock tank, settling tank, mud pond for recovering and back pool, the outlet of spacing grid maker connects the entrance in wastewater collection pond, the outlet in wastewater collection pond connects oblique net and drags for stock tank, tiltedly net drags for the outlet connection settling tank entrance of stock tank, the mud discharging mouth of described settling tank connects the entrance of mud pond for recovering, the water outlet of described settling tank connects back pool, during processing, the bulk suspension of waste water or floating dirt enter oblique net and drag for stock tank after the interception of spacing grid maker, tiltedly net drags for and is provided with the oblique net of 70 purposes in the stock tank in order to the fiber fines in the filtered water, impurity, dragging for the waste water that flows out in the stock tank from oblique net enters settling tank and carries out precipitation process, waste water after settling tank is handled flows into the back pool reuse, and the mud in the settling tank then enters the muddy water pond for recovering by mud discharging mouth.This processing materialization treatment system, treatment step is simple, but the waste water quality after handling is bad, can only remove SS and the COD of small portion in the waste water, this mode handle and reuse water, easily deterioration is smelly, and decolorizing effect is not obvious, effectively causes color substance in the degradation water, organic removal rate in the water is low, waste water frothing after the processing is serious, and effluent color dilution is dark, can not remove the colourity of high-concentration sewage, the COD clearance is low, the biodegradability of sewage is low, and the discharging that usually exceeds standard of the COD in the sewage impacts water pollution.
The utility model content
Therefore, at above-mentioned problem, the utility model provides and causes color substance in a kind of effectively degradation water, removes suspended substance in the water, COD clearance height, Biodegradability of Wastewater height, good waste water treatment effect, can all be recovered in production, realize external zero release, reduce and pollute, the papermaking wastewater regeneration system rapidly that saves production cost.
For achieving the above object, the utility model is achieved through the following technical solutions: a kind of papermaking wastewater regeneration system rapidly, comprise water collecting basin, filter the roller screen machine, useless slurry collecting tank, the stirring reaction tower, the one-level settling tower, two-stage precipitation tower and back pool, the outlet of described water collecting basin connects the roller screen machine that filters by water pump, the water outlet of described filtration roller screen machine connects the water-in of stirring reaction tower, the useless slurry outlet of described filtration roller screen machine connects the useless slurry inlet of useless slurry collecting tank, the water outlet of described stirring reaction tower connects the one-level settling tower, the water outlet of described one-level settling tower connects the water-in of two-stage precipitation tower, the water outlet of described two-stage precipitation tower connects back pool by water pipe, water pipe inside between described two-stage precipitation tower and the back pool is provided with and presses down the bubble defoamer, also be provided with the micro-electrolysis stuffing tube between described one-level settling tower and the two-stage precipitation tower, the below that is positioned at water-in in the described micro-electrolysis stuffing tube is provided with the micro-electrolysis stuffing filtering layer, and the below that is positioned at the micro-electrolysis stuffing filtering layer in the described micro-electrolysis stuffing tube also is provided with the biologic packing material filtering layer.
Further improvedly be: described micro-electrolysis stuffing filtering layer comprises in the cylindrical tube of being located on the micro-electrolysis stuffing tube inside circumference wall, the described cylindrical tube and is provided with micro-electrolysis stuffing, top and the bottom of described cylindrical tube are respectively equipped with filter plate, are evenly equipped with the water flowing micropore respectively on described each filter plate.
Further improvedly be: described micro-electrolysis stuffing is iron-carbon micro-electrolysis filler.
Further improvedly be: the below that the top of described two-stage precipitation tower is positioned at water outlet also is provided with activated carbon fiber silk filtering layer.
Further improvedly be: described one-level settling tower comprises tower body, be located at tower lid on the tower body, advance waste pipe, described tower body top is provided with water outlet, described tower body bottom is provided with dirt collecting bucket, described dirt collecting bucket bottom is provided with mud discharging mouth, be provided with in the described tower body and allow the rapid precipitation device of solid particulate rapid precipitation, be positioned at rapid precipitation device bottom in the described tower body and be provided with dashpot, the described water side of advancing waste pipe is passed tower lid and rapid precipitation device successively and is linked to each other with dashpot in the tower body, the described water outlet that advances the water-in connection stirring reaction tower of waste pipe.
Further improvedly be: the middle part that described rapid precipitation device comprises the outside cylinder cylindrical shell that is arranged on sedimentation and filtration tower body inboard and is located at outside cylinder cylindrical shell inboard is provided with for advancing the inner cylindrical tube body that waste pipe inserts perforation, radially tiltingly between described outside cylinder cylindrical shell and the inner cylinder body is evenly equipped with a plurality of buffering precipitation inclined plates.
Further improvedly be: described stirring reaction tower comprises and stirs tower and be located at the whipping appts that stirs in the tower that described whipping appts comprises stir shaft and be distributed in the agitating vane of stir shaft periphery that the bottom of described each agitating vane also is respectively equipped with cocking lever.
By adopting the aforementioned techniques scheme, the beneficial effects of the utility model are: utilize the backwater water quality after this papermaking wastewater regeneration system rapidly is handled good, but make paper waste recirculation utilization after treatment, fully recovering is in production, the external zero release of basic realization, not only can the sewage effluent contaminate environment but also can save the mass production cost, reduced the wasting of resources, can recycle paper waste effectively, pollution to environment drops to minimum, and this treatment unit can also extract useless slurry from sewage, and this useless slurry can be used for the egg holder that the production and transport egg is used, thereby realizes the benefit that the refuse reorganization utilizes.Also be provided with the micro-electrolysis stuffing tube between described one-level settling tower and the two-stage precipitation tower, the bottom that is positioned at water-in in the described micro-electrolysis stuffing tube is provided with the micro-electrolysis stuffing filtering layer, can utilize the micro-electrolysis material self that is filled in the waste water to produce the 1.2V potential difference waste water is carried out electrolysis treatment, to reach the purpose of degradable organic pollutant.After the water flowing, can form countless microbattery systems in the micro-electrolysis stuffing tube, constitute an electric field at its action space.The nascent state that in treating processes, produces [H], Fe2+etc. can with waste water in many component generation redox reactions, such as the chromophoric group that can destroy the coloring matter in the colorful wastewater or auxochrome group, even chain rupture, reach the effect of degradation and decolorization; The Fe2 that generates+further be oxidized to Fe3+, their hydrate has stronger absorption, flocculation activity, particularly after adding the adjusting PH with base value, generate ferrous hydroxide and ferric hydroxide colloid flocculation agent, their adsorptive power is higher than the ferric hydroxide colloid that general medicament hydrolysis obtains far away, the molecule that disperses in a large amount of planar water of energy, metallics and organic macromolecule, its principle of work is based on electrochemistry, oxidation, reduction, the acting in conjunction of physical adsorption and flocculation sediment is handled waste water. have applied widely, treatment effect is good, with low cost, convenient operating maintenance need not consume advantages such as electric power resource.This full mold papermaking wastewater regeneration system rapidly can be used for the processing of difficult degradation high-colour intensity wastewater, not only can reduce COD and colourity significantly, and can improve the biodegradability of waste water greatly.The biologic packing material filtering layer can further improve degradation capability, removes suspended substance in the water, improves the clearance of organic matter of sewage, but makes the COD qualified discharge in the waste water.
Description of drawings
Fig. 1 is the schematic flow sheet of the utility model embodiment.
Fig. 2 is the structural representation of the utility model embodiment one-level settling tower.
Fig. 3 is the structural representation of the utility model embodiment micro-electrolysis stuffing tube.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
Embodiment:
With reference to figure 1 and Fig. 3, present embodiment discloses a kind of papermaking wastewater regeneration system rapidly, comprise water collecting basin 1, filter roller screen machine 2, useless slurry collecting tank 3, stirring reaction tower 4, one-level settling tower 5, two-stage precipitation tower 6 and back pool 7, the outlet of described water collecting basin 1 connects by water pump 11 filters roller screen machine 2 water-ins, the water outlet of described filtration roller screen machine 2 connects the water-in of stirring reaction tower 4, the useless slurry outlet of described filtration roller screen machine 2 connects the useless slurry inlet of useless slurry collecting tank 3, the water outlet of described stirring reaction tower 4 connects the water-in of one-level settling tower 5, the water outlet of described one-level settling tower 5 connects the water-in of two-stage precipitation tower 6, the bottom of described one-level settling tower 5 is provided with sewage draining exit, described sewage draining exit is provided with wash water valve 56, the water outlet of described two-stage precipitation tower 6 connects back pool 7 by water pipe 9, and water pipe 9 inside between described two-stage precipitation tower 6 and the back pool 7 are provided with and press down bubble defoamer 8.Also be provided with micro-electrolysis stuffing tube 10 between described one-level settling tower 5 and the two-stage precipitation tower 6, the below that is positioned at water-in 105 in the described micro-electrolysis stuffing tube 10 is provided with micro-electrolysis stuffing filtering layer 101, the below that is positioned at micro-electrolysis stuffing filtering layer 101 in the described micro-electrolysis stuffing tube 10 also is provided with biologic packing material filtering layer 102, described micro-electrolysis stuffing filtering layer 101 comprises the cylindrical tube of being located on the micro-electrolysis stuffing tube inside circumference wall, be provided with iron-carbon micro-electrolysis filler 103 in the described cylindrical tube, the top of described cylindrical tube and bottom are respectively equipped with filter plate 104, are evenly equipped with the water flowing micropore respectively on described each filter plate.
With reference to figure 2, described one-level settling tower comprises tower body 51, be located at the tower lid 52 on the tower body 51, advance waste pipe 53, described tower body 51 tops are provided with water outlet 511, described tower body 51 bottoms are provided with dirt collecting bucket 54, described dirt collecting bucket 54 bottoms are provided with mud discharging mouth, be provided with in the described tower body 51 and allow the rapid precipitation device 55 of solid particulate rapid precipitation, be positioned at rapid precipitation device 55 bottoms in the described tower body 51 and be provided with dashpot 57, the described water side of advancing waste pipe 53 is passed tower lid 52 and rapid precipitation device 55 successively and is linked to each other with dashpot 57 in the tower body 51, the described water-in that advances waste pipe 53 connects the water outlet of stirring reaction tower 4, the middle part that described rapid precipitation device 55 comprises the outside cylinder cylindrical shell 551 that is arranged on tower body 51 inboards and is located at outside cylinder cylindrical shell 551 inboards is provided with for advancing the inner cylindrical tube body 552 that waste pipe inserts perforation, between described outside cylinder cylindrical shell 552 and the inner cylinder body 551 radially tilting being evenly equipped with cushion precipitation inclined plate 553.Waste water through stirring reaction tower 4 handle the back from advance waste pipe enter in the precipitation tower body by dashpot buffering back to around spread, flow to cat head stably then, sewage is in uphill process, density greater than the suspended solid of water as making filler, fiber fines, inorganic particles such as mud yarn constantly sink and by the rapid precipitation device, accelerate precipitation, per two block buffering precipitation inclined plates of buffering settler are equivalent to a very little settling tank, the solids precipitation time is shortened dramatically, utilize perpendicular stream principle, reach the purpose of rapid precipitation, the water outlet from the sewage that flows through of buffering settler from tower body top flows into pond for recovering.
The below that the top of described two-stage precipitation tower 6 is positioned at water outlet also is provided with activated carbon fiber silk filtering layer.Activated carbon fiber silk filtering layer can carry out treatment and purification to water, remove look, taste removal, organic matter removal, and the suspended substance in the water that dams and biological floe improve effluent characteristics.
Described stirring reaction tower 4 comprises the stirring tower and is located at the whipping appts that stirs in the tower, described whipping appts comprises stir shaft and is distributed in the agitating vane of stir shaft periphery, the bottom of described each agitating vane also is respectively equipped with cocking lever, cocking lever can be widened the stirring scope of whipping appts, make mixing effect better, more even.
Utilize the backwater water quality after this papermaking wastewater regeneration system rapidly is handled good, but make paper waste recirculation utilization after treatment, fully recovering is in production, the external zero release of basic realization, not only can the sewage effluent contaminate environment but also can save the mass production cost, reduced the wasting of resources, can recycle paper waste effectively, pollution to environment drops to minimum, and this treatment unit can also extract useless slurry from sewage, should can be used for the egg holder that the production and transport egg is used by useless slurry, thereby realize the benefit that the refuse reorganization utilizes.Also be provided with the micro-electrolysis stuffing tube between described one-level settling tower and the two-stage precipitation tower, the bottom that is positioned at water-in in the described micro-electrolysis stuffing tube is provided with the micro-electrolysis stuffing filtering layer, can utilize the micro-electrolysis material self that is filled in the waste water to produce the 1.2V potential difference waste water is carried out electrolysis treatment, to reach the purpose of degradable organic pollutant.After the water flowing, can form countless microbattery systems in the micro-electrolysis stuffing tube, constitute an electric field at its action space.The nascent state that in treating processes, produces [H], Fe2+etc. can with waste water in many component generation redox reactions, such as the chromophoric group that can destroy the coloring matter in the colorful wastewater or auxochrome group, even chain rupture, reach the effect of degradation and decolorization; The Fe2 that generates+further be oxidized to Fe3+, their hydrate has stronger absorption, flocculation activity, particularly after adding the adjusting PH with base value, generate ferrous hydroxide and ferric hydroxide colloid flocculation agent, their adsorptive power is higher than the ferric hydroxide colloid that general medicament hydrolysis obtains far away, the molecule that disperses in a large amount of planar water of energy, metallics and organic macromolecule, its principle of work is based on electrochemistry, oxidation, reduction, the acting in conjunction of physical adsorption and flocculation sediment is handled waste water. have applied widely, treatment effect is good, with low cost, convenient operating maintenance need not consume advantages such as electric power resource.This full mold papermaking wastewater regeneration system rapidly can be used for the processing of difficult degradation high-colour intensity wastewater, not only can reduce COD and colourity significantly, and can improve the biodegradability of waste water greatly.The biologic packing material filtering layer can further improve degradation capability, removes suspended substance in the water, improves the clearance of organic matter of sewage, but makes the COD qualified discharge in the waste water.
The above record only for utilizing the embodiment of this origination techniques content, anyly is familiar with modification, the variation that this skill person uses this creation to do, and all belongs to the claim of this creation opinion, and is not limited to those disclosed embodiments.

Claims (7)

1. papermaking wastewater regeneration system rapidly, it is characterized in that: comprise water collecting basin, filter the roller screen machine, useless slurry collecting tank, the stirring reaction tower, the one-level settling tower, two-stage precipitation tower and back pool, the outlet of described water collecting basin connects the roller screen machine that filters by water pump, the water outlet of described filtration roller screen machine connects the water-in of stirring reaction tower, the useless slurry outlet of described filtration roller screen machine connects the useless slurry inlet of useless slurry collecting tank, the water outlet of described stirring reaction tower connects the one-level settling tower, the water outlet of described one-level settling tower connects the water-in of two-stage precipitation tower, the water outlet of described two-stage precipitation tower connects back pool by water pipe, water pipe inside between described two-stage precipitation tower and the back pool is provided with and presses down the bubble defoamer, also be provided with the micro-electrolysis stuffing tube between described one-level settling tower and the two-stage precipitation tower, the below that is positioned at water-in in the described micro-electrolysis stuffing tube is provided with the micro-electrolysis stuffing filtering layer, and the below that is positioned at the micro-electrolysis stuffing filtering layer in the described micro-electrolysis stuffing tube also is provided with the biologic packing material filtering layer.
2. papermaking wastewater regeneration system rapidly according to claim 1, it is characterized in that: described micro-electrolysis stuffing filtering layer comprises in the cylindrical tube of being located on the micro-electrolysis stuffing tube inside circumference wall, the described cylindrical tube and is provided with micro-electrolysis stuffing, top and the bottom of described cylindrical tube are respectively equipped with filter plate, are evenly equipped with the water flowing micropore respectively on described each filter plate.
3. papermaking wastewater regeneration system rapidly according to claim 2, it is characterized in that: described micro-electrolysis stuffing is iron-carbon micro-electrolysis filler.
4. papermaking wastewater regeneration system rapidly according to claim 1, it is characterized in that: the below that the top of described two-stage precipitation tower is positioned at water outlet also is provided with activated carbon fiber silk filtering layer.
5. papermaking wastewater regeneration system rapidly according to claim 1, it is characterized in that: described one-level settling tower comprises tower body, be located at the tower lid on the tower body, advance waste pipe, described tower body top is provided with water outlet, described tower body bottom is provided with dirt collecting bucket, described dirt collecting bucket bottom is provided with mud discharging mouth, be provided with in the described tower body and allow the rapid precipitation device of solid particulate rapid precipitation, be positioned at rapid precipitation device bottom in the described tower body and be provided with dashpot, the described water side of advancing waste pipe is passed tower lid and rapid precipitation device successively and is linked to each other with dashpot in the tower body, the described water outlet that advances the water-in connection stirring reaction tower of waste pipe.
6. papermaking wastewater regeneration system rapidly according to claim 5, it is characterized in that: the middle part that described rapid precipitation device comprises the outside cylinder cylindrical shell that is arranged on sedimentation and filtration tower body inboard and is located at outside cylinder cylindrical shell inboard is provided with for advancing the inner cylindrical tube body that waste pipe inserts perforation, radially tiltingly between described outside cylinder cylindrical shell and the inner cylinder body is evenly equipped with a plurality of buffering precipitation inclined plates.
7. papermaking wastewater regeneration system rapidly according to claim 1, it is characterized in that: described stirring reaction tower comprises the stirring tower and is located at the whipping appts that stirs in the tower, described whipping appts comprises stir shaft and is distributed in the agitating vane of stir shaft periphery that the bottom of described each agitating vane also is respectively equipped with cocking lever.
CN 201320111311 2013-03-12 2013-03-12 Papermaking sewage regeneration system Expired - Fee Related CN203212431U (en)

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CN 201320111311 CN203212431U (en) 2013-03-12 2013-03-12 Papermaking sewage regeneration system

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Application Number Priority Date Filing Date Title
CN 201320111311 CN203212431U (en) 2013-03-12 2013-03-12 Papermaking sewage regeneration system

Publications (1)

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CN203212431U true CN203212431U (en) 2013-09-25

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Application Number Title Priority Date Filing Date
CN 201320111311 Expired - Fee Related CN203212431U (en) 2013-03-12 2013-03-12 Papermaking sewage regeneration system

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CN (1) CN203212431U (en)

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130925

Termination date: 20150312

EXPY Termination of patent right or utility model