CN205974053U - Sewage treatment device - Google Patents
Sewage treatment device Download PDFInfo
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- CN205974053U CN205974053U CN201620974558.4U CN201620974558U CN205974053U CN 205974053 U CN205974053 U CN 205974053U CN 201620974558 U CN201620974558 U CN 201620974558U CN 205974053 U CN205974053 U CN 205974053U
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- sewage
- mud
- treatment plant
- treatment
- filter
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Abstract
The utility model is suitable for a sewage treatment technical field provides a sewage treatment device, including the sewage collection device that is used for collecting wastewater, be used for to the sewage of collecting activated sludge treatment's aeration treatment device carries out and be used for with the mud that the aeration treatment device produced carries out dehydration's filter pressing device, sewage collection device, aeration treatment device and filter pressing device connect in order, just filter pressing device with sewage collection device connects, sewage treatment device is still right including being used for the mud that the aeration treatment device produced carries out the sludge treatment equipment that electric chemical oxidation handled, sludge treatment equipment connect in the aeration treatment device with between the filter pressing device. The mud that produces the aeration treatment device through sludge treatment equipment carries out earlier electric chemical oxidation before handling and handles carrying out the filter -pressing, is CO2 and H2O with the organic matter oxidation in the mud, has realized the decrement of insoluble matter in the mud to the water separation capability of mud has been improved.
Description
Technical field
This utility model belongs to technical field of sewage, more particularly, to a kind of sewage-treatment plant.
Background technology
With the continuous expansion of expanding economy and population size, sewage quantity produced by mankind's activity increases year by year, by
Produced by sewage disposal, mud also constantly increases therewith.At present, activated sludge treatment method is the sewage being most widely used
Processing method, but the maximum drawback of the method is system needs constantly outwards to discharge a large amount of mud.And mud is by multiple
Microbial population is constituted with the Organic substance adsorbing on zoogloea and inorganic matters, containing extremely large amount of moisture, also there is difficult biology
The Organic substance of degraded, heavy metal, other salt and a small amount of cause of disease parasitic ovum and microorganism etc., composition is extremely complex.If place
Reason is improper will to cause secondary pollution, the threat serious to environment structure.
Sewage treatment process main at present be the mud that sewage disposal is produced carry out successively concentrating, digest, stabilisation,
After dehydration, dried are innoxious, are directly filled or burned.Mud handling capacity is larger, which results in the follow-up of sewage
Process costly, account for investing the 30-60% with operating cost, processing cost is larger；Mud after process directly enters to fill out
Bury or burn, also have certain pollution to environment.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of sewage-treatment plant it is intended to improve existing dirt
Water treatment technology, reduces sludge yield, thus reducing processing cost.
This utility model is achieved in that a kind of sewage-treatment plant, fills including the sewage collecting for collecting sewage
Put, be used for the sewage collected being carried out with the aeration treatment apparatus of active sludge treatment and for producing described aeration treatment apparatus
Mud carry out the filter-pressing device of processed, described sewage collection equipment, aeration treatment apparatus and filter-pressing device are sequentially connected with,
And described filter-pressing device is connected with described sewage collection equipment, described sewage-treatment plant is also included for described Air Exposure
The mud that device produces carries out the sludge treatment equipment of electrochemicial oxidation, and described sludge treatment equipment is connected to described aeration
Between processing meanss and described filter-pressing device.
Further, described sewage-treatment plant also includes the interpolation dress adding electrolyte in described sludge treatment equipment
Put, described adding set is connected with described sludge treatment equipment.
Further, described electrolyte for mass concentration be 30% NaOH or KOH solution.
Further, the mud that described sewage-treatment plant also includes described aeration treatment apparatus are produced carries out place of settling
The settler of reason, described settler is connected between described aeration treatment apparatus and described sludge treatment equipment.
Further, described sewage-treatment plant also includes being reclaimed for the lower mud that described filter-pressing device is produced
Lower mud retracting device, described lower mud retracting device is connected with described filter-pressing device.
Further, described sludge treatment equipment includes electrolysis cells and electrolytic catalysis groove, and described electrolysis cells include sun
Pole plate and minus plate, described positive plate and minus plate are arranged in parallel in described electrolytic catalysis groove.
Further, the spacing between described positive plate and described minus plate is 2-3cm.
Further, described positive plate and minus plate are the titanium-matrix electrode of netted ruthenium iridium oxide coating.
Further, described electrolytic catalysis groove includes water intaking valve, outlet valve and overfall.
Further, the material of described electrolytic catalysis groove is transparent PVC plate.
This utility model compared with prior art, has the beneficial effects that：The sewage-treatment plant that this utility model provides, leads to
Cross sludge treatment equipment and the mud that aeration treatment apparatus produce first carried out electrochemicial oxidation before carrying out filter pressing process,
Oxidation operation in mud is CO2And H2O it is achieved that in mud insoluble matters decrement, and improve the dehydration of mud
Ability.After processing through sewage-treatment plant 100, mud decrement reaches 20-25%, and excess sludge composition and structure also become
Change, sludge settling performance is also improved.
Brief description
Fig. 1 is the structural representation of the sewage-treatment plant that this utility model embodiment provides.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
Referring to Fig. 1, a kind of sewage-treatment plant 100 providing for this utility model embodiment, including for collecting sewage
Sewage collection equipment 1, for the sewage collected being carried out with the aeration treatment apparatus 2 of active sludge treatment and for by described exposure
The mud that Flash Gas Compression Skid System produces carries out the filter-pressing device 6 of processed.Sewage collection equipment 1, aeration treatment apparatus 2 and filter pressing
Device 6 is sequentially connected with, and filter-pressing device 6 is connected with sewage collection equipment 1.Sewage-treatment plant 100 is also included for aeration
The mud that processing meanss 2 produce carries out the sludge treatment equipment 4 of electrochemicial oxidation, and sludge treatment equipment 4 is connected to aeration
Between processing meanss 2 and filter-pressing device 6.
Specifically, filter-pressing device 6 can be plate type pressure filter, convenient operation.Described electrochemicial oxidation has at two kinds
Reason process：One be pollutant in mud under voltage effect directly with electrode contact generation electron transfer；Two is in electrode
Surface produces the oxidizing species with high potential first, such as OH, OH2·、O2 -Deng free radical, they have good oxygen
Change current potential, the organic matter degradation in mud is fallen.The organic pollution containing in itself in mud can carry out above two and process
Journey, generates small molecule CO2And H2O；Microorganism in mud is then under applied voltage effect, and the cell wall of microorganism breaks
Split, make the organic substance dissolutions (lysises) such as Cytoplasm in cell, contain in mud after these organic substance dissolutions and in itself
Some Organic substances are oxidized to CO by the high potential active substance of generation in electrolytic process2And H2O.
Aeration treatment apparatus 2 are produced by the sewage-treatment plant 100 that the present embodiment provides by sludge treatment equipment 4
Mud first carried out electrochemicial oxidation before carrying out filter pressing process, and the oxidation operation in mud is CO2And H2O, realizes
The decrement of insoluble matters in mud, and improve the water separation capability of mud.After processing through sewage-treatment plant 100, mud
Decrement reaches 20-25%, and excess sludge composition and structure also change, and sludge settling performance is also improved.
Sewage-treatment plant 100 also includes adding the adding set 5 of electrolyte, adding set 5 in sludge treatment equipment 4
It is connected with sludge treatment equipment 4.Described electrolyte for mass concentration be 30% NaOH or KOH solution.By adding described electricity
The PH of described mud is adjusted to 9～12 by solution matter.The electrolyte adding plays certain alkali lysises, works in coordination with electrochemistry further
The lysises of oxidation, and produce the OH of strong oxidizing property in electrolytic process, difficult degradation in non-selectivity ground oxidized sludge
Organic substance.
The mud that sewage-treatment plant 100 also includes that described aeration treatment apparatus 2 are produced carries out the precipitation of precipitation process
Device 3, settler 3 is connected between aeration treatment apparatus 2 and sludge treatment equipment 4.By produce through aeration treatment apparatus 2
Mud carries out the electrochemicial oxidation of sludge treatment equipment 4 again after first carrying out precipitation process, facilitate electrochemicial oxidation
The carrying out of process.
Sewage-treatment plant 100 also includes the lower mud retracting device being reclaimed for the lower mud that filter-pressing device 6 is produced
7, lower mud retracting device 7 is connected with filter-pressing device 6.Mud after the electrochemicial oxidation through sludge treatment equipment 4, composition and
Structure all changes, thus improving the dewatering of mud.Carry out filter-press dehydration process being passed through filter-pressing device 6
When, the lower mud water content obtaining can be reduced to less than 60%.Lower mud water content is relatively low, can be used after reclaiming.
Specifically, sludge treatment equipment 4 includes electrolysis cells and electrolytic catalysis groove (not shown), described electrolysis cells
Including positive plate and minus plate, described positive plate and minus plate are arranged in parallel in described electrolytic catalysis groove.Described positive plate with
Spacing between described minus plate is 2-3cm.Sludge treatment equipment 4 also includes 6-24V DC source, preferably 20-24V unidirectional current
Source, in conjunction with described supply voltage, by adjusting the spacing between positive plate and described minus plate, can make electroxidation processing procedure
Efficiency improves further.
Specifically, it is connected with pneumatic diaphragm pump between sludge treatment equipment 4 and settler 3；Described electrolytic catalysis groove bag
Include water intaking valve, outlet valve and overfall.
Specifically, described positive plate and minus plate are the titanium-matrix electrode of netted ruthenium iridium oxide coating.Described electrolysis is urged
The material changing groove is transparent PVC plate.
Sewage disposal is carried out using the sewage-treatment plant 100 that the present embodiment provides, step is as follows：
Collect pending sewage using sewage collection equipment 1, process through aeration treatment apparatus 2 and settler 3, obtain
Waste water be expelled directly out；Described settler 3 adopts sludge settling concentration basin；
Afterwards, the mud of acquisition enters in sludge treatment equipment 4, and wherein, the initial sludge concentration of described mud
(MLSS) it is 10000mg/L-25000mg/L；
Sludge treatment equipment 4 is docked sludge settling concentration basin, opens water intaking valve, start pneumatic diaphragm pump, mud is by dirt
Mud precipitation concentration pond is delivered in electrolytic catalysis groove through pneumatic diaphragm pump；When in electrolytic catalysis groove, liquid level reaches overfall and stablizes
Water intaking valve is closed during circulation；Open adding set 5 and add electrolyte, adjust pH to specified parameter；
Open DC source, control electrolytic parameter, after electrolysis a period of time, open outlet valve, convey to filter-pressing device 6
Excess sludge；
Open filter-pressing device 6, carry out filter-press dehydration process, after filter pressing finishes, lower mud is beaten after collecting through lower mud retracting device
Bag is placed, then in addition Commercial cultivation；The filter pressing water producing enters and carries out new round process in sewage collection equipment 1.
Sludge yield, by the use of sludge treatment equipment, can be reduced by the sewage-treatment plant that this utility model provides
20-25%, reduces follow-up mud handling capacity, thus reducing processing cost.Additionally, after processing through sludge treatment equipment
Mud carries out filter-press dehydration again, its water content can be reduced to less than 60%, and can carry out production and application, thus realizing waste profit
With.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in this utility model
Protection domain within.
Claims (10)
1. a kind of sewage-treatment plant, including the sewage collection equipment for collecting sewage, for living to the sewage collected
Property the aeration treatment apparatus of Treatment of Sludge and the mud for producing described aeration treatment apparatus carry out the filter pressing of processed
Device, described sewage collection equipment, aeration treatment apparatus and filter-pressing device are sequentially connected with, and described filter-pressing device and described sewage
Collection device connects it is characterised in that described sewage-treatment plant also includes the dirt for producing to described aeration treatment apparatus
Mud carries out the sludge treatment equipment of electrochemicial oxidation, and described sludge treatment equipment is connected to described aeration treatment apparatus and institute
State between filter-pressing device.
2. sewage-treatment plant as claimed in claim 1 is it is characterised in that described sewage-treatment plant is also included to described dirt
Add the adding set of electrolyte, described adding set is connected with described sludge treatment equipment in mud processing meanss.
3. sewage-treatment plant as claimed in claim 2 is it is characterised in that described electrolyte is 30% for mass concentration
NaOH or KOH solution.
4. sewage-treatment plant as claimed in claim 1 is it is characterised in that described sewage-treatment plant is also included to described exposure
The mud that Flash Gas Compression Skid System produces carries out the settler of precipitation process, and described settler is connected to described aeration treatment apparatus
And described sludge treatment equipment between.
5. sewage-treatment plant as claimed in claim 1 is it is characterised in that described sewage-treatment plant is also included for institute
State the lower mud retracting device that the lower mud of filter-pressing device generation is reclaimed, described lower mud retracting device is with described filter-pressing device even
Connect.
6. the sewage-treatment plant as described in claim 1 to 5 any one is it is characterised in that described sludge treatment equipment bag
Include electrolysis cells and electrolytic catalysis groove, described electrolysis cells include positive plate and minus plate, described positive plate and minus plate are in parallel
It is arranged in described electrolytic catalysis groove.
7. sewage-treatment plant as claimed in claim 6 is it is characterised in that between described positive plate and described minus plate
Away from for 2-3cm.
8. sewage-treatment plant as claimed in claim 6 is it is characterised in that described positive plate and minus plate are netted ruthenium iridium
The titanium-matrix electrode of oxide coating.
9. sewage-treatment plant as claimed in claim 6 is it is characterised in that described electrolytic catalysis groove includes water intaking valve, water outlet
Valve and overfall.
10. sewage-treatment plant as claimed in claim 6 is it is characterised in that the material of described electrolytic catalysis groove is transparent PVC
Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620974558.4U CN205974053U (en) | 2016-08-29 | 2016-08-29 | Sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620974558.4U CN205974053U (en) | 2016-08-29 | 2016-08-29 | Sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205974053U true CN205974053U (en) | 2017-02-22 |
Family
ID=58038016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620974558.4U Active CN205974053U (en) | 2016-08-29 | 2016-08-29 | Sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205974053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698068A (en) * | 2021-09-01 | 2021-11-26 | 广西民族大学 | Method for circularly conditioning and dehydrating sludge |
-
2016
- 2016-08-29 CN CN201620974558.4U patent/CN205974053U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698068A (en) * | 2021-09-01 | 2021-11-26 | 广西民族大学 | Method for circularly conditioning and dehydrating sludge |
| CN113698068B (en) * | 2021-09-01 | 2023-08-22 | 广西民族大学 | Sludge circulation conditioning and dewatering method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |