CN208182789U - A kind of efficient domestic sewage treatment device - Google Patents
A kind of efficient domestic sewage treatment device Download PDFInfo
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- CN208182789U CN208182789U CN201820276506.9U CN201820276506U CN208182789U CN 208182789 U CN208182789 U CN 208182789U CN 201820276506 U CN201820276506 U CN 201820276506U CN 208182789 U CN208182789 U CN 208182789U
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Abstract
The utility model discloses a kind of efficient domestic sewage treatment device, the device high treating effect, stable water outlet, operating cost is low.The efficient domestic sewage treatment device of the utility model, its main structure includes outer tank body, inner tank body, aerating system, it is successively divided by partition by anaerobic zone, level-one anoxic zone, level-one aerobic zone, second level anoxic zone, second level aerobic zone, three-level anoxic zone, three-level aerobic zone and sterile zones between the outer tank body and inner tank body, is interconnected between each area by overcurrent mouth；The inner tank body is settling zone；Fill biological suspended packing in the aerobic zone；The sterile zones setting contact-segment and conversion zone.
Description
Technical field
The utility model relates to a kind of sewage-treatment plants, and in particular to a kind of efficient domestic sewage treatment device.
Background technique
With the development of the social economy, continuous improvement of people's living standards, the tens million of tons of the sanitary sewage generated daily,
Most of rural area lacks special collection treatment measures, lacks extensive pipe network collection system, sanitary sewage is caused to be directly discharged into
Water body, caused by pollute it is also more serious.Currently, using tradition A2Integration apparatus based on/O biochemical process can play de-
The effect of nitrogen dephosphorization, but itself there is also certain limitation, denitrogenation can not reach good effect with dephosphorization simultaneously, thus
Cause effluent quality fluctuation bigger, it is regular not up to standard the problems such as occur, it is same that this below standard sewage is discharged into water body
It will lead to the appearance of various water environmental problems.Sanitary sewage has become the main pollution source in Rural Areas at Present area, therefore needs
The simple and easy device of one kind is developed to solve domestic sewage in rural areas pollution problem.
Summary of the invention
The utility model in view of the above-mentioned problems, providing a kind of high-efficient denitrification and dephosphorization integrated sewage treating apparatus, the dress
Set high treating effect, stable water outlet, operating cost is low.
The technical scheme adopted by the utility model is
The efficient domestic sewage treatment device of the utility model, main structure include outer tank body, inner tank body, aeration system
It is aerobic by partition to be successively divided into anaerobic zone, level-one anoxic zone, level-one between outer tank body and inner tank body by system for it
Area, second level anoxic zone, second level aerobic zone, three-level anoxic zone, three-level aerobic zone and sterile zones are mutually connected between each area by overcurrent mouth
It is logical；The inner tank body is settling zone；Fill biological suspended packing in the aerobic zone；The described sterile zones setting contact-segment with
Conversion zone.
The efficient domestic sewage treatment device of the utility model, further technical solution are the anaerobic zones, lack
Oxygen area, the total effective volume ratio in aerobic zone are 1~3:1~3:3~8.
The efficient domestic sewage treatment device of the utility model, further technical solution can also be the level-one
Anoxic zone, second level anoxic zone, the effective volume ratio between three-level anoxic zone are 1~2:1~2:1~2.
The efficient domestic sewage treatment device of the utility model, further technical solution can also be each area
Between interconnected by overcurrent mouth, overcurrent mouth dimension D N20~DN200.
The efficient domestic sewage treatment device of the utility model, further technical solution can also be the precipitating
Area surface loading 0.5m3/m2.s~2.0m3/m2.s, using sloping plate deposition, inclined tube diameter 50mm~100mm, length 800mm~
1200mm, 45 °~60 ° of level inclination.
The efficient domestic sewage treatment device of the utility model, further technical solution can also be the biology
Floating stuffing entirety dosing rate is 20%~50%, and wherein biological suspended packing material is polyethylene, good hydrophilic property, specific surface area
800m2/m3~1500m2/m3, 0.98~1.02g/cm of specific gravity3。
The efficient domestic sewage treatment device of the utility model, further technical solution can also be the aeration
System uses boring aeration, and anoxic zone and aerobic zone share a set of aerating system, is aerated opening diameter 1mm~10mm, gas-water ratio
10~50:1 carries out rationally control air quantity by valve.
The efficient domestic sewage treatment device of the utility model, further technical solution can also be the disinfection
The contact-segment and conversion zone volume fraction in area are 1~2:1.5~2, and 30~50min of total residence time, chlorine dosage is 5~40mg/
L；U-tube is taken in contact-segment and conversion zone water inlet, water outlet is arranged in conversion zone top, at the top of the conversion zone 100mm~
Dosing central tube, diameter DN50~DN200 is arranged in 500mm, contact-segment.
The efficient domestic sewage treatment device of the utility model, further technical solution can also be described efficient
Sewage treatment unit is using multistage water inlet, and intake 1.5~2:1 of ratio~2:1~2, guarantees subsequent carbon source supply and cancels
Interior reflux.
The beneficial effects of the utility model are as follows:
The efficient domestic sewage treatment device of the utility model takes multi-section water-inlet, and the mode of multistage operation solves often
The shortcomings that rule integration apparatus goes out water unstable, can guarantee that stable water outlet is up to standard.The device uses multistage multi-section water-inlet mode,
It can guarantee the carbon source supply of subsequent nitrification denitrogenation, strengthened denitrification effect.Aerobic zone adds biological suspended packing, improves biochemical anti-
The sludge loading answered optimizes pond body volume, reduces occupied area.Sterile zones are divided into contact-segment and conversion zone, wherein contact-segment
Dosing central tube is set, for placing disinfection tablet, realizes that sedimentation basin water outlet is contacted with the effective of disinfection tablet, water outlet enters anti-later
Section is answered sufficiently to react, qualified discharge.The utility model flows back in cancelling, and saves energy consumption, reduces operating cost, and the utility model
Can on the ground or underground place, be not necessarily to personal management, only need part-time staff's periodic maintenance.Integration degree is high for single unit system, size
Small, transhipment is convenient.
Detailed description of the invention
Fig. 1 is utility model structural schematic diagram；
Fig. 2 is sterile zones structural schematic diagram.
In figure: 1, outer tank body, 2, inner tank body, 3, partition, 4, anaerobic zone, 5, level-one anoxic zone, 6, level-one aerobic zone, 7, two
Grade anoxic zone, 8, second level aerobic zone, 9, three-level anoxic zone, 10, three-level aerobic zone, 11, sterile zones, 12, overcurrent mouth, 13, precipitating
Area, 14, biological suspended packing, 15, contact-segment, 16, conversion zone, 17, U-tube, 18, dosing central tube, 19, water outlet.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples, device scheme is as follows in embodiment:
As shown in Figure 1, 2, the efficient domestic sewage treatment device of the utility model, main structure include that outer tank body 1 is (straight
Diameter 1m) and inner tank body 2 (inner tank body diameter 0.35m), it is successively divided by partition 3 between outer tank body 1 and inner tank body 2 and is detested
Oxygen area 4, level-one anoxic zone 5, level-one aerobic zone 6, second level anoxic zone 7, second level aerobic zone 8, three-level anoxic zone 9, three-level aerobic zone
10, sterile zones 11；It is interconnected between each area by overcurrent mouth 12；Inner tank body 2 is used as settling zone 13, and inclined plate is arranged in settling zone 13
Area；Biological suspended packing 14 is filled in the aerobic zone, and contact-segment 15 and conversion zone 16 is arranged in the sterile zones 11, wherein tank
Body uses carbon steel anticorrosion structure.The anaerobic zone, anoxic zone, the total effective volume ratio in aerobic zone are 1:1:3, the level-one
Anoxic zone, second level anoxic zone, the effective volume ratio between three-level anoxic zone are 1:1:1.
Wherein, the aerator is that anoxic zone and aerobic zone share, by being rationally arranged to be regulated and controled with valve, so that
Whole system maintains optimal dissolved oxygen concentration.Biological suspended packing 14 is filled in the aerobic zone, biological suspended packing is whole
Dosing rate is 40%, and biological suspended packing material is polyethylene, good hydrophilic property, specific surface area 1000m2/m3, specific gravity 0.98g/
cm3, the carrier that filler adheres to as microorganism effectively increases sludge concentration, with higher processing load, reduction land occupation face
Product.
The settling zone 13 uses sloping plate deposition, settling zone surface loading 0.8m3/m2.h, inclined tube diameter 80mm, length
1000mm, 60 ° of level inclination, sludge bucket is arranged in bottom, and configuration reflux pump realizes exteenal reflux and regular spoil disposal, especially for small
The equipment of water, utility value with higher.
Contact-segment 15 and conversion zone 16 is arranged in the sterile zones 11, and contact-segment and conversion zone volume fraction are 1:1.5, contact
Dosing central tube 18 is set in section 16, and disinfection tablets are placed in dosing central tube 18, after sewage comes into full contact with medicament, are passed through
U-tube 17 enters the reaction zone of contact pars infrasegmentalis and passes through 19 qualified discharge of water outlet sufficiently after reaction；Always stop sterile zones
Stay time 40min, chlorine dosage 20mg/L；Water outlet is arranged in conversion zone top, and apart from 300mm at the top of conversion zone, contact-segment is set
Set dosing central tube, diameter DN150.
In the present embodiment, sewage realizes multi-section water-inlet, partially enters anaerobic zone 4, passes through the water inlet level-one of overcurrent mouth 12 later
Anoxic zone 5, level-one aerobic zone 6, second level anoxic zone 7, second level aerobic zone 8, three-level anoxic zone 9, three-level aerobic zone 10 carry out biochemistry
Reaction；Another part is directly entered second level anoxic zone 7, enters subsequent reactions system later；Last part enters three-level anoxic
Area 9 carries out subsequent reactions.Carbon source needed for last two-part water inlet mainly supplements subsequent denitrification reaction, is closed by valve
Reason is allocated, and realizes the coordinated operation of whole system.The water outlet of three-level aerobic zone 10 enters 13 mud-water separation of center precipitation area
Later, supernatant water outlet enters sterile zones 11, realizes that disinfection qualified discharge, the sludge of 13 bottom of settling zone enter sludge bucket, leads to
The reflux pump for crossing configuration realizes exteenal reflux and regular spoil disposal.
The present embodiment in application, influent COD in 350mg/L, ammonia nitrogen 40mg/L, total phosphorus 10mg/L, using above-mentioned efficient life
Sewage-treatment plant living is handled, and effluent quality reaches " urban wastewater treatment firm pollutant emission standard " level-one A standard.
Claims (9)
1. a kind of efficient domestic sewage treatment device, main structure includes outer tank body, inner tank body, aerating system, feature
It is aerobic to be between the outer tank body and inner tank body to be successively divided into it by partition anaerobic zone, level-one anoxic zone, level-one
Area, second level anoxic zone, second level aerobic zone, three-level anoxic zone, three-level aerobic zone and sterile zones are mutually connected between each area by overcurrent mouth
It is logical；The inner tank body is settling zone；Fill biological suspended packing in the aerobic zone；The described sterile zones setting contact-segment with
Conversion zone.
2. efficient domestic sewage treatment device according to claim 1, it is characterised in that the anaerobic zone, anoxic zone,
The total effective volume ratio in aerobic zone is 1~3:1~3:3~8.
3. efficient domestic sewage treatment device according to claim 1, it is characterised in that the level-one anoxic zone, second level
Effective volume ratio between anoxic zone, three-level anoxic zone is 1~2:1~2:1~2.
4. efficient domestic sewage treatment device according to claim 1, it is characterised in that by overcurrent between each area
Mouth interconnects, overcurrent mouth dimension D N20~DN200.
5. efficient domestic sewage treatment device according to claim 1, it is characterised in that the settling zone surface loading
0.5m3/m2.s~2.0m3/m2.s, using sloping plate deposition, inclined tube diameter 50mm~100mm, length 800mm~1200mm are horizontal
45 °~60 ° of inclination angle.
6. efficient domestic sewage treatment device according to claim 1, it is characterised in that the biological suspended packing is whole
Body dosing rate is 20%~50%.
7. efficient domestic sewage treatment device according to claim 1, it is characterised in that the aerating system is used and worn
Hole aeration, anoxic zone and aerobic zone share a set of aerating system, are aerated opening diameter 1mm~10mm, 10~50:1 of gas-water ratio.
8. efficient domestic sewage treatment device according to claim 1, it is characterised in that the contact-segment of the sterile zones
It is 1~2:1.5~2 with conversion zone volume fraction, 30~50min of total residence time, chlorine dosage is 5~40mg/L；Contact-segment with
U-tube is taken in conversion zone water inlet, water outlet is arranged in conversion zone top, and apart from 100mm~500mm at the top of conversion zone, contact-segment is set
Set dosing central tube, diameter DN50~DN200.
9. efficient domestic sewage treatment device according to claim 1, it is characterised in that at the efficient sanitary sewage
Device is managed using multistage water inlet, intake 1.5~2:1 of ratio~2:1~2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820276506.9U CN208182789U (en) | 2018-02-27 | 2018-02-27 | A kind of efficient domestic sewage treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820276506.9U CN208182789U (en) | 2018-02-27 | 2018-02-27 | A kind of efficient domestic sewage treatment device |
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| CN208182789U true CN208182789U (en) | 2018-12-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112978917A (en) * | 2019-12-18 | 2021-06-18 | 秦皇岛荣德环境工程有限公司 | HEST series high-efficiency energy-saving domestic sewage treatment device |
-
2018
- 2018-02-27 CN CN201820276506.9U patent/CN208182789U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112978917A (en) * | 2019-12-18 | 2021-06-18 | 秦皇岛荣德环境工程有限公司 | HEST series high-efficiency energy-saving domestic sewage treatment device |
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