CN204058177U - A kind of deep treatment system of papermaking wastewater - Google Patents
A kind of deep treatment system of papermaking wastewater Download PDFInfo
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- CN204058177U CN204058177U CN201420398161.6U CN201420398161U CN204058177U CN 204058177 U CN204058177 U CN 204058177U CN 201420398161 U CN201420398161 U CN 201420398161U CN 204058177 U CN204058177 U CN 204058177U
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- Treatment Of Water By Oxidation Or Reduction (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
A kind of deep treatment system of papermaking wastewater, comprises suction well, thin barrier, aeration tank; Aeration tank divides two-way to connect second pond and integrated equipment for wastewater treatment respectively, is provided with safe pool after second pond, is also provided with intermediate pool and line mixer before integrated equipment for wastewater treatment, after be provided with sterilization equipment, sterilization equipment connect clean water basin; Integrated equipment for wastewater treatment, by mixing pit, flocculation tank, tube settler, filtering basin and back-purge system integration, realizes the integrated for the treatment of process.Technique effect of the present utility model is: by adding flocculation agent mixing, reaction, precipitation, filtration procedure, most of suspended solids can be removed, water outlet is met be back to the water quality requirement of production plant, avoid the original waste pipe of large-scale redevelopment, just can reach effluent standard amount.
Description
Technical field
The utility model relates to technical field of waste water processing, particularly a kind of deep treatment system of papermaking wastewater.
Background technology
Paper waste is large, seriously polluted because of quantity discharged, has become the most important thing in water treatment.Particularly after industrial scale expands, the factory effluent total release of enterprise still must maintain previous level, therefore, and reuse after needing, on original sewage treatment equipment basis, advanced treatment is carried out to effluent part, reduce wastewater discharge, to reach the object of the comprehensive regulation, recycling.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of deep treatment system of papermaking wastewater.
The technical solution of the utility model is: a kind of deep treatment system of papermaking wastewater, comprises suction well, thin barrier, aeration tank; Aeration tank divides two-way to connect second pond and integrated equipment for wastewater treatment respectively, is provided with safe pool after second pond, is also provided with intermediate pool and line mixer before integrated equipment for wastewater treatment, after be provided with sterilization equipment, sterilization equipment connect clean water basin; Described integrated equipment for wastewater treatment, by mixing pit, flocculation tank, tube settler, filtering basin and back-purge system integration, realizes the integrated for the treatment of process.
Described line mixer belongs to mixing equipment, and by volume pump, flocculation agent PAC, PAM are added people in line mixer, the flocculation reaction in integrated treatment facility is prepared.
Described mixing pit is stirred by the agitator that change speed motor drives and reaches mixed effect.
Described tube settler is that the polypropylene inclined tube of 35 mm, water distributing area, exhalant region and perforation sludge-discharge pipe are formed primarily of internal diameter.
The water distribution of described tube settler adopts anisotropic flow to arrange.
Described tube settler adopts zig-zag water leg.
Described tube settler adopts perforated pipe spoil disposal.
Described filtering basin mainly comprise water outlet weir notch, filtering layer, water inlet pipe and rising pipe etc., and described water outlet weir notch adopts zig-zag weir notch, can roll over dress, and described filtering layer adopts hard coal, quartz sand, coarse sand 3 metafiltration layer.
Described sterilization equipment utilizes chlorine dioxide generator to produce dioxide peroxide to the water sterilization after process.
Technique effect of the present utility model is: by adding flocculation agent mixing, reaction, precipitation, filtration procedure, most of suspended solids can be removed, water outlet is met be back to the water quality requirement of production plant, avoid the original waste pipe of large-scale redevelopment, just can reach effluent standard amount.
Accompanying drawing explanation
Fig. 1 is the utility model schematic flow sheet.
In figure: 1 suction well; 2 thin barriers; 3 aeration tanks; 4 second ponds; 5 safe pool; 6 intermediate pools; 7 line mixers; 8-1 mixing pit; 8-2 flocculation tank; 8-3 tube settler; 8-4 filtering basin; 8-5 back-purge system; 9 sterilization equipments; 10 clean water basin.
Embodiment
As shown in Figure 1, a kind of deep treatment system of papermaking wastewater of the utility model, comprises suction well 1, thin barrier 2, aeration tank 3; 3 points, aeration tank two-way connects second pond 4 and integrated equipment for wastewater treatment respectively, is provided with safe pool 5 after second pond 4, is also provided with intermediate pool 6 and line mixer 7 before integrated equipment for wastewater treatment, after be provided with sterilization equipment 9, sterilization equipment 9 connects clean water basin 10; Described integrated equipment for wastewater treatment, by mixing pit 8-1, flocculation tank 8-2, tube settler 8-3, filtering basin 8-4 and back-purge system 8-5 integration, realizes the integrated for the treatment of process.
First paper waste is introduced suction well 1, fiber and large suspension gravel is tackled again through thin barrier 2, aeration tank 3 and second pond 4 are main bodys of raw wastewater treatment system biological processing unit, first allow waste water enter aeration tank 3 and adopt Aerobic biological process, enter second pond 4 mud to be again separated, to clarify, discharge finally by safe pool 5.In aeration tank, there is a large amount of cotton fibre causes the settling velocity of second pond slack-off, have impact on water treatment effect, thus the waste water that part processes through aeration tank 3 is caused integrated equipment for wastewater treatment, the waste water recycling after process.Waste water is first mixed by line mixer 7, and by volume pump, flocculation agent PAC, PAM are added people in line mixer 7, the flocculation reaction in integrated treatment facility is prepared.Flocculation agent PAC, PAM are added to through line mixer 7 the mixing pit 8-1 entering integrated equipment for wastewater treatment after pending waste water, and the agitator stirring driven through change speed motor makes them fully contact.Divide water introducing tube settler 8-3 out from aeration tank 3 again, carry out advanced treatment.When inclined tube district local hydraulic skewness, make current too high at some inclined tube place flow velocity, so just there will be the phenomenon that alumen ustum rises, so that occur that outlet effect ratio does not have inclined tube also poor.For this reason, the water distribution of tube settler 8-3 adopts anisotropic flow to arrange, makes water distribution more even.In order to make exhalant region catchment equably, adopt zig-zag water leg.Mud accumulation area height is determined according to sludge quantity, heavy mud concentration and sludge discharge way etc., and this equipment adopts perforated pipe spoil disposal.The waste water crossed through tube settler 8-3 advanced treatment introduces filtering basin 8-4 filtration, utilize micro-coagulation and filtration principle to catch colloidalmaterial remaining in waste water, adsorb, filtration treatment, the content of Organic Pollutants in Wastewater can be reduced further, to the turbidity of waste water and the reduction of colourity effective especially, also suspended substance can be made to be reduced to extremely low level, to improve the clarity of water outlet.Filtration is the critical process before sterilization process, to ensureing that water quality has important effect.Filtering basin 8-4 mainly comprises water outlet weir notch, filtering layer, water inlet pipe and rising pipe etc., and water outlet weir notch adopts zig-zag weir notch, can roll over dress.Filtering layer adopts hard coal, quartz sand, coarse sand 3 metafiltration layer.Integration apparatus is also provided with back-purge system 8-5, in order to remove the dirt retained in filtrate, filtering basin 8-4 is restored one's working ability, back flushing enters bottom filtering basin 8-4 and enters coarse sands layer, quartz sand layer, anthracite coal measure successively by large resistance underdrain system, the wash dirt stayed in filtration procedure is fallen, then enter water leg from water outlet weir notch, discharge dirt.Finally, in order to the object making the waste water after process reach reuse, to the water disinfection after filtration.Utilize chlorine dioxide generator to produce dioxide peroxide, carry out disinfection in the water after its logical people's process, the clear water after sterilization enters clean water basin 10 reuse.
Claims (3)
1. a deep treatment system of papermaking wastewater, comprises suction well, thin barrier, aeration tank; Aeration tank divides two-way to connect second pond and integrated equipment for wastewater treatment respectively, safe pool is provided with after second pond, intermediate pool and line mixer is also provided with before integrated equipment for wastewater treatment, after be provided with sterilization equipment, sterilization equipment connects clean water basin, it is characterized in that, described integrated equipment for wastewater treatment, by mixing pit, flocculation tank, tube settler, filtering basin and back-purge system integration, realizes the integrated for the treatment of process.
2. a kind of deep treatment system of papermaking wastewater according to claims 1, is characterized in that, described tube settler adopts perforated pipe spoil disposal.
3. a kind of deep treatment system of papermaking wastewater according to claims 1, is characterized in that, described sterilization equipment utilizes chlorine dioxide generator to produce dioxide peroxide to the water sterilization after process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398161.6U CN204058177U (en) | 2014-07-18 | 2014-07-18 | A kind of deep treatment system of papermaking wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420398161.6U CN204058177U (en) | 2014-07-18 | 2014-07-18 | A kind of deep treatment system of papermaking wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204058177U true CN204058177U (en) | 2014-12-31 |
Family
ID=52199731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420398161.6U Expired - Fee Related CN204058177U (en) | 2014-07-18 | 2014-07-18 | A kind of deep treatment system of papermaking wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204058177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107522327A (en) * | 2017-09-30 | 2017-12-29 | 中铁第四勘察设计院集团有限公司 | The oxidation integrated papermaking wastewater treatment device of electric flocculation precipitate high grade |
-
2014
- 2014-07-18 CN CN201420398161.6U patent/CN204058177U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107522327A (en) * | 2017-09-30 | 2017-12-29 | 中铁第四勘察设计院集团有限公司 | The oxidation integrated papermaking wastewater treatment device of electric flocculation precipitate high grade |
| CN107522327B (en) * | 2017-09-30 | 2020-08-18 | 中铁第四勘察设计院集团有限公司 | Electric flocculation-precipitation-advanced oxidation integrated papermaking wastewater treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20180718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |