CN105174456B - A kind of domestic sewage purification system of unpowered aeration - Google Patents
A kind of domestic sewage purification system of unpowered aeration Download PDFInfo
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- CN105174456B CN105174456B CN201510647040.XA CN201510647040A CN105174456B CN 105174456 B CN105174456 B CN 105174456B CN 201510647040 A CN201510647040 A CN 201510647040A CN 105174456 B CN105174456 B CN 105174456B
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Abstract
The invention discloses a kind of domestic sewage purification system of unpowered aeration, including system for anaerobic treatment, and/Aerobic Process for Treatment system, system for anaerobic treatment is connected with simultaneous/Aerobic Process for Treatment system by sewage pipe, system for anaerobic treatment is connected with feed pipe, and/Aerobic Process for Treatment system is connected with outlet pipe, gas storage storehouse is provided with described and/Aerobic Process for Treatment system, gas storage storehouse is connected with system for anaerobic treatment by gas storage storehouse communicating pipe, gas storage storehouse is connected with simultaneous/Aerobic Process for Treatment system by aeration tube, air communication pipe is provided with gas storage storehouse, air communication pipe upper end and air communication, lower end is located above the lowest water level of gas storage storehouse.The present invention is in the case of not additionaling power source, make full use of biogas pressure caused by its front end anaerobic system bioprocess, by increasing easy aeration linked system, the power for making its be aerated as rear end, sewage disposal system rear end simultaneous oxygen and it is aerobic during carry out micro- aeration.
Description
Technical field
The present invention relates to a kind of domestic sewage purification system of unpowered aeration, villages and small towns resident living sewage is primarily adapted for use in
Decentralized processing.
Background technology
Domestic sewage in rural areas is one of important sources of Rural Water Pollution.At present, especially in southwest, the peasant household in China
Based on living scattered, if if building the purifying domestic sewage facility concentrated, required drainage pipeline networks input is larger, and cost performance is not
Height, therefore, the small-scale sewage purifier of single household is one of major way of purifying domestic sewage of rural areas in our country.Rural area
Area processing sanitary sewage is mainly with the correlation techniques such as methane-generating pit, septic tank, domestic sewage purifying tank, artificial swamp
Reason, prior art also relates to many correlation techniques, as Chinese patent " CN201510231637 " discloses a kind of sanitary sewage
Processing method, publication date 2015-08-12, it includes tank, the barnyard grass being planted in tank or rice, barnyard grass or
The cavity volume of the root interwoven full water groove of rice, sanitary sewage enter the root of the barnyard grass to interweave or rice, Ran Houcong from water inlet
Delivery port flows out, and the solids and nutriment in sewage are absorbed by the root of barnyard grass or rice, so as to complete sanitary sewage
Processing.The invention has that cost is low, can effectively adapt to the advantages of current and change of water quality.And for example Chinese patent
A kind of " CN201520268661 " open small-sized integrated domestic sewage treatment device, for 2015-08-26, it includes filter to publication date
Pond, sewage regulating reservoir, contact-oxidation pool, sterilization pool, ventilation duct, blower fan etc.；Filter tank, sewage regulating reservoir, contact-oxidation pool, sterilization
Chi Sichi is arranged in juxtaposition, and filter tank side is provided with water inlet pipe；Sterilization pool side is provided with outlet pipe；Ventilation duct is deep into contact-oxidation pool
It is internal.The small-sized integrated domestic sewage treatment device integrates biodegradable sewage sedimentation, oxidation sterilizing, can not only be effectively clear
Except the pollutant in sewage, and economical operation, shock resistance concentration ability is strong, and treatment effeciency is high, and management and maintenance is convenient.
However, existing rural domestic sewage treatment system is still not ideal enough in terms of the effect of denitrogenation dephosphorizing.At sewage
The biological removal of nitrogen phosphorus process of reason needs anaerobic-aerobic-and oxygen alternately, although some purification facilitys are provided with aerator,
But these aeration process have no small energy consumption, it is necessary to additionaling power.Reality, which is that fuel in China's rural areas is in short supply, to be showed
Shape, the domestic sewage purification device of motorless single household are more suitable for rural area use.Therefore, how in the feelings without additionaling power
It is oxygenated under condition in pond, makes to form anaerobic-aerobic-and the alternate environment of oxygen in pond, improve Nitrogen/Phosphorus Removal and sewage water outlet
Water quality, it is a problem for needing to solve on current China's rural domestic sewage treatment.
The content of the invention
It is an object of the invention to overcome above mentioned problem existing for prior art, there is provided a kind of life of unpowered aeration is dirty
Water purification system.The present invention is made full use of caused by its front end anaerobic system bioprocess in the case of not additionaling power source
Biogas pressure, by increasing easy aeration linked system, make its power as rear end aeration, in sewage disposal system rear end
Simultaneous oxygen and it is aerobic during carry out micro- aeration.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of domestic sewage purification system of unpowered aeration, it is characterised in that：Including system for anaerobic treatment, and/it is aerobic
Processing system, system for anaerobic treatment are connected with simultaneous/Aerobic Process for Treatment system by sewage pipe, and system for anaerobic treatment is connected with charging
Pipe, and/Aerobic Process for Treatment system are connected with outlet pipe, and gas storage storehouse, gas storage storehouse and anaerobism are provided with described and/Aerobic Process for Treatment system
Processing system is connected by gas storage storehouse communicating pipe, and gas storage storehouse is connected with simultaneous/Aerobic Process for Treatment system by aeration tube, and gas storage is set in storehouse
Air communication pipe, air communication pipe upper end and air communication are equipped with, lower end is located above the lowest water level of gas storage storehouse.
The air distribution plate to entering and the air of/Aerobic Process for Treatment system is distributed is provided with described and/Aerobic Process for Treatment system
With the air entrapment groove coordinated with air distribution plate, air distribution plate is located at aeration tube exit.
The air entrapment groove is multiple, and the movement locus of the air after being distributed respectively along air distribution plate is distributed.
The system for anaerobic treatment is the anaerobic fermentation portion of methane-generating pit or domestic sewage purifying tank, system for anaerobic treatment
Depth-width ratio is not less than 4.
The system for anaerobic treatment includes anaerobic fermentation body and is arranged on to be used for the biogas for storing biogas on anaerobic fermentation body
Cover, biogas delivery pipe is connected with biogas cover.
The section in the gas storage storehouse is in inverted-triangular, and its hypotenuse is not less than 45 with horizontal angle αo, the volume in gas storage storehouse
For the 20-50% of biogas cover dischargeable capacity.
The air communication pipe lower end is located at 20-30mm on the lowest water level of gas storage storehouse.
The gas storage storehouse communicating pipe mouth of pipe in system for anaerobic treatment to be located at system for anaerobic treatment storage methane quantity maximum
When liquid level below 50-100mm, the mouth of pipe in gas storage storehouse is located at gas storage orlop portion, and gas storage storehouse connection bore is at least
50mm。
The width of rebate of the air entrapment groove is advisable for 100-250mm, and its center angle theta is 120o—150o, air section
The lower surface of groove is stayed to be provided with a diameter of 2-5mm blind hole.
The aeration tube mouth of pipe is located at more than the air communication pipe lower end mouth of pipe at least 30mm, caliber 20-30mm, aeration tube
On be provided with check-valves.
Using the advantage of the invention is that：
First, the present invention takes full advantage of pressure difference caused by biogas in anaerobic system, realizes in the situation without additionaling power
Under follow-up simultaneous/aerobic system is aerated, whole process only need normal fermentation and using biogas i.e. can be achieved, without additionally
Energy resource consumption and management.
2nd, in the present invention, sewage carries out the removal of organic pollution in system for anaerobic treatment, simultaneous/good in follow-up offer
The bioprocess of denitrogenation dephosphorizing is carried out in oxygen processing system, than traditional Unpowered sewage processing facilities Nitrogen/Phosphorus Removal more
Good, effluent quality is more preferably.
3rd, in the present invention, the entrapping tank of entrapped air is added in simultaneous/Aerobic Process for Treatment system so that the air energy of exposure
More permanent is rested in simultaneous/Aerobic Process for Treatment system, and to microorganism, more the time with air contact, guarantee reaction are entered completely
OK.Meanwhile the microorganism of different population can be adhered to the difference of oxygen concentration on air entrapment groove so that system can be biological more
Sample more horn of plenty, treatable pollutant kind are more extensive.
4th, in the present invention, a part of gas storage system and gas distribution system need to only be increased in the sewage disposal system of comparative maturity
System, the cost transformed and built are relatively low.Because without additionaling power, operating cost is relatively low, is easy to push away in China rural area
Wide and use.
To sum up, the present invention sufficiently make use of at leading portion anaerobism by the connection of air gas storage storehouse and corresponding communicating pipe
Pressure difference caused by reason system biogas is to the back-end and/Aerobic Process for Treatment system is exposed into air, and by retaining facility by exposed air
Stay in back-end system, the oxygen of abundance is provided for reaction below.The present invention is in the case of without additionaling power, to scattered
The simultaneous oxygen of formula processing system/aerobic part has blasted air, enhances the effect of its denitrogenation dephosphorizing, improves effluent quality, and
Construction, operation and the management of whole system are relatively simple, are suitable for applying in the regional distributed unpowered of energy scarcity
In sewage-treatment plant.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention
In figure mark for：1st, system for anaerobic treatment, 2 and/Aerobic Process for Treatment system, 3, sewage pipe, 4, gas storage storehouse, 5, gas storage
Storehouse communicating pipe, 6, air communication pipe, 7, aeration tube, 8, check-valves, 9, air distribution plate, 10, air entrapment groove, 11, biogas cover, 12,
Biogas delivery pipe, 13, feed pipe, 14, outlet pipe.
Embodiment
Embodiment 1
A kind of domestic sewage purification system of unpowered aeration, including system for anaerobic treatment 1 and/Aerobic Process for Treatment system 2,
System for anaerobic treatment 1 is connected with simultaneous/Aerobic Process for Treatment system 2 by sewage pipe 3, and system for anaerobic treatment 1 is connected with feed pipe 13,
And/Aerobic Process for Treatment system 2 is connected with outlet pipe 14, and gas storage storehouse 4, the He of gas storage storehouse 4 are provided with described and/Aerobic Process for Treatment system 2
System for anaerobic treatment 1 is connected by gas storage storehouse communicating pipe 5, and gas storage storehouse 4 is connected with simultaneous/Aerobic Process for Treatment system 2 by aeration tube 7,
Air communication pipe 6, the upper end of air communication pipe 6 and air communication are provided with gas storage storehouse 4, lower end is located at the lowest water level of gas storage storehouse 4
Top.
In the present embodiment, it is provided with described and/Aerobic Process for Treatment system 2 and is carried out to entering the air that simultaneous/Aerobic Process for Treatment is 2
The air distribution plate 9 of distribution and the air entrapment groove 10 coordinated with air distribution plate 9, air distribution plate 9 are located at the exit of aeration tube 7.
In the present embodiment, the air entrapment groove 10 is multiple, the movement locus of the air after being distributed respectively along air distribution plate 9
Distribution.
In the present embodiment, the system for anaerobic treatment 1 is the anaerobic fermentation portion of methane-generating pit or domestic sewage purifying tank, is detested
The depth-width ratio of oxygen processing system 1 is not less than 4.
In the present embodiment, the system for anaerobic treatment 1 includes anaerobic fermentation body and is arranged on anaerobic fermentation body to be used to deposit
The biogas cover 11 of biogas is stored up, biogas delivery pipe 12 is connected with biogas cover 11.
In the present embodiment, the section in the gas storage storehouse 4 is in inverted-triangular, and its hypotenuse is not less than 45 with horizontal angle αo,
The volume in gas storage storehouse 4 is the 20-50% of the dischargeable capacity of biogas cover 11.
In the present embodiment, the lower end of air communication pipe 6 is located at 20-30mm on the lowest water level of gas storage storehouse 4.
In the present embodiment, gas storage storehouse communicating pipe 5 mouth of pipe in system for anaerobic treatment 1 be located at system for anaerobic treatment 1
50-100mm below liquid level when storing methane quantity maximum, the mouth of pipe in gas storage storehouse 4 are located at the bottom of gas storage storehouse 4, and gas storage storehouse connects
The internal diameter of siphunculus 5 is at least 50mm.
In the present embodiment, the width of rebate of the air entrapment groove 10 is advisable for 100-250mm, and its center angle theta is
120o—150o, the lower surface of air entrapment groove 10 is provided with a diameter of 2-5mm blind hole.
In the present embodiment, the mouth of pipe of the aeration tube 7 is located at more than the lower end mouth of pipe of air communication pipe 6 at least 30mm, and caliber is
20-30mm, check-valves 8 is provided with aeration tube 7.
Embodiment 2
As illustrated, a kind of domestic sewage purification system of unpowered aeration, system be broadly divided into system for anaerobic treatment 1,
And/Aerobic Process for Treatment system 2, sewage is flowed by sewage pipe 3 between two systems, and/Aerobic Process for Treatment system 2 in gas storage is set
Storehouse 4, using system for anaerobic treatment 1 and gas storage storehouse 4 is connected gas storage storehouse communicating pipe 5, air communication pipe 6 is set in gas storage storehouse 4 and exposed
Tracheae 7, check-valves 8 is set on aeration tube 7, air distribution plate 9 is set around the outlet of aeration tube 7, meanwhile, and/Aerobic Process for Treatment system 2 in
Air entrapment groove 10 is set.Caused biogas is stored in biogas cover 11 in system for anaerobic treatment 1, defeated by biogas delivery pipe 12
Send and utilize, sewage enters processing system by feed pipe 13, after the completion of processing, passes through the discharge system of outlet pipe 14.
The system for anaerobic treatment 1 can be traditional methane-generating pit, or the anaerobic fermentation portion of domestic sewage purifying tank
Point, unsuitable too low, the depth-width ratio of system of organic matter of sewage content in the system（H/L）4, during ensureing biogas storage should be not less than
There are enough water-heads to be aerated.
Gas storage storehouse 4 is inverted-triangular in described and/Aerobic Process for Treatment system 2, and its hypotenuse is not less than 45 with horizontal angle αo,
The volume in gas storage storehouse 4 is the 20-50% of the dischargeable capacity of anaerobic part biogas cover 11.The upper end of air communication pipe 6 in storehouse connects with air
Logical, lower end is located at 20-30mm on the lowest water level of gas storage storehouse 4.The mouth of pipe of aeration tube 7 is located at more than the lower end mouth of pipe of air communication pipe 8
At least 30mm, caliber are that 20-30mm or so is advisable, and check-valves should be installed on aeration tube 7, prevents the aqueous reflux of oxygen compatibility pool from entering
Gas storage storehouse.
Gas storage storehouse communicating pipe 5 mouth of pipe in system for anaerobic treatment 1 setting height should be located at the system storage biogas
50-100mm below liquid level when measuring maximum, its mouth of pipe in gas storage storehouse should be located at gas storage orlop portion, and its internal diameter cannot be less than
50mm, avoid blocking.
The width W of air entrapment groove 10 is advisable for 100-250mm, and its center angle theta is 120oTo 150oIt is advisable, can be
A diameter of 2-5mm blind hole is beaten in its lower surface, to retain more air, more retention plates can be arranged near air distribution plate, to fill
Divide the retention air that air distribution plate exposes.
The domestic sewage purification system is that small-sized household is used or joint household domestic sewage purification system, its total dischargeable capacity are little
In 30m3。
Embodiment 3
A kind of optimal design-aside of the system is to use methane-generating pit the depth-width ratio of the system takes 5, rear for system for anaerobic treatment
The air gas storage storehouse of del is set in continuous simultaneous/Aerobic Process for Treatment system, and its hypotenuse takes 60 with horizontal sextant angle αo, gas storage storehouse 4
Volume be the 30% of biogas cover dischargeable capacity, the mouth of pipe of air communication pipe 6 in storehouse is located at 20mm on the lowest water level of gas storage storehouse.
The mouth of pipe of aeration tube 7 is located at the lower end mouth of pipe above 40mm of air communication pipe 6, and caliber takes 25mm.It is empty in simultaneous/Aerobic Process for Treatment system
The width of gas entrapping tank 10 takes 200mm to be advisable, and its center angle theta takes 130O,A diameter of 3mm blind hole is beaten in its lower surface.
When sewage has just enter into system for anaerobic treatment 1, now fermentation just proceeds by, substantially without biogas in biogas cover 11,
The air pressure of system for anaerobic treatment 1 is relatively low, water level in air gas storage storehouse 4 is located at below the lower end mouth of pipe of air communication pipe 6, air passes through
The pipe enters gas storage storehouse 4.As fermentation is carried out, biogas gradually increases in system for anaerobic treatment 1, air pressure increase so that air stores up
Water level rises in storage 4, and after water flooding crosses the 6 lower end mouth of pipe of air communication pipe, gas storage storehouse 4 turns into a closed system.With
The continuous increase of biogas air pressure, the water level in gas storage storehouse 4 rises, so as to which the air of storage in gas storage storehouse 4 be led to by aeration tube 7
Enter into simultaneous/Aerobic Process for Treatment system 2.Into and/the air of Aerobic Process for Treatment system 2 by the distribution of air distribution plate 9, flow to each sky
Gas entrapping tank 10, air entrapment groove 10 will retain most of gas passed through, and gas is rested in simultaneous/Aerobic Process for Treatment system 2,
Reacted with microorganism, realize denitrogenation dephosphorizing process.Meanwhile on air entrapment groove 10 due to oxygen distribution concentration difference and
Tend to adhere to different types of microorganism, abundant biotic population will make and/Aerobic Process for Treatment system 2 is to various dirts in waste water
It is more preferable to contaminate thing degradation property, to the well adapting to property of fluctuation of water quantity and quality.
After biogas produces a period of time, biogas is sent to user by biogas delivery pipe 12 and used.With biogas
Consumption, the air pressure of system for anaerobic treatment 1 gradually reduces, and the water level in gas storage storehouse 4 also decreases, when dropping under air communication pipe 6
When under end pipe mouth, air reenters gas storage storehouse, and whole aerating system revert to initial conditions, will enter with the generation of biogas
Row next round is aerated.
Obviously, one of ordinary skill in the art is according to the technological know-how and customary means grasped, in accordance with the above
Content, the diversified forms for not departing from basic fundamental thought of the present invention can also be made, these formal conversion are in the present invention
Protection domain within.
Claims (10)
- A kind of 1. domestic sewage purification system of unpowered aeration, it is characterised in that：Including system for anaerobic treatment（1）And/aerobic Processing system（2）, system for anaerobic treatment（1）With simultaneous/Aerobic Process for Treatment system（2）Pass through sewage pipe（3）Connection, system for anaerobic treatment （1）It is connected with feed pipe（13）, and/Aerobic Process for Treatment system（2）It is connected with outlet pipe（14）, described and/Aerobic Process for Treatment system（2） Inside it is provided with gas storage storehouse（4）, gas storage storehouse（4）And system for anaerobic treatment（1）Pass through gas storage storehouse communicating pipe（5）Connection, gas storage storehouse（4） With simultaneous/Aerobic Process for Treatment system（2）Pass through aeration tube（7）Connection, gas storage storehouse（4）Inside it is provided with air communication pipe, air communication pipe （6）Upper end and air communication, lower end are located at gas storage storehouse（4）Above lowest water level；The aeration tube（7）The mouth of pipe is located at air communication Pipe（6）More than the lower end mouth of pipe at least 30mm.
- A kind of 2. domestic sewage purification system of unpowered aeration according to claim 1, it is characterised in that：It is described and/ Aerobic Process for Treatment system（2）Inside it is provided with the air distribution plate to entering and the air of/Aerobic Process for Treatment system is distributed（9）With with cloth Gas plate（9）The air entrapment groove of cooperation（10）, air distribution plate（9）Positioned at aeration tube（7）Exit.
- A kind of 3. domestic sewage purification system of unpowered aeration according to claim 2, it is characterised in that：The air Entrapping tank（10）To be multiple, respectively along air distribution plate（9）The movement locus distribution of air after distribution.
- A kind of 4. domestic sewage purification system of unpowered aeration according to claim 3, it is characterised in that：The anaerobism Processing system（1）For the anaerobic fermentation portion of methane-generating pit or domestic sewage purifying tank, system for anaerobic treatment（1）Depth-width ratio it is not small In 4.
- A kind of 5. domestic sewage purification system of unpowered aeration according to claim 4, it is characterised in that：The anaerobism Processing system（1）Including anaerobic fermentation body and it is arranged on the biogas cover on anaerobic fermentation body for storing biogas（11）, biogas cover （11）On be connected with biogas delivery pipe（12）.
- A kind of 6. domestic sewage purification system of unpowered aeration according to claim 5, it is characterised in that：The gas storage Storehouse（4）Section be in inverted-triangular, its hypotenuse is not less than 45 with horizontal angle αo, gas storage storehouse（4）Volume be biogas cover （11）The 20-50% of dischargeable capacity.
- A kind of 7. domestic sewage purification system of unpowered aeration according to claim 6, it is characterised in that：The air Communicating pipe（6）Lower end is located at gas storage storehouse（4）20-30mm on lowest water level.
- A kind of 8. domestic sewage purification system of unpowered aeration according to claim 7, it is characterised in that：The gas storage Storehouse communicating pipe（5）In system for anaerobic treatment（1）In the mouth of pipe be located at system for anaerobic treatment（1）Store liquid level during methane quantity maximum Following 50-100mm, in gas storage storehouse（4）In the mouth of pipe be located at gas storage storehouse（4）Bottom, gas storage storehouse communicating pipe（5）Internal diameter is at least 50mm。
- A kind of 9. domestic sewage purification system of unpowered aeration according to claim 8, it is characterised in that：The air Entrapping tank（10）Width of rebate be 100-250mm, its center angle theta is 120o—150o, air entrapment groove（10）Lower surface It is provided with a diameter of 2-5mm blind hole.
- A kind of 10. domestic sewage purification system of unpowered aeration according to claim 9, it is characterised in that：The exposure Tracheae（7）Caliber is 20-30mm, aeration tube（7）On be provided with check-valves（8）.
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| CN201510647040.XA CN105174456B (en) | 2015-10-09 | 2015-10-09 | A kind of domestic sewage purification system of unpowered aeration |
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| CN201510647040.XA CN105174456B (en) | 2015-10-09 | 2015-10-09 | A kind of domestic sewage purification system of unpowered aeration |
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| CN105174456B true CN105174456B (en) | 2017-12-01 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106976961B (en) * | 2017-04-25 | 2023-07-21 | 农业部沼气科学研究所 | Aeration slow-release device |
| CN115304162B (en) * | 2022-08-17 | 2023-06-02 | 武汉东碧环保科技有限公司 | Rural domestic sewage treatment device and sewage treatment method |
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| CN202390434U (en) * | 2011-09-14 | 2012-08-22 | 农业部沼气科学研究所 | Biogas generating device for discharging sand through automatic flow |
| JP2013193003A (en) * | 2012-03-16 | 2013-09-30 | Chiyoda Kako Kensetsu Kk | Treatment method and treatment system of plant wastewater |
| CN203346385U (en) * | 2013-06-20 | 2013-12-18 | 高密市恒阳环保工程有限公司 | Device for automatically residues from methane tanks without power |
| CN205170492U (en) * | 2015-10-09 | 2016-04-20 | 农业部沼气科学研究所 | Domestic sewage purification system of unpowered aeration |
-
2015
- 2015-10-09 CN CN201510647040.XA patent/CN105174456B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202390434U (en) * | 2011-09-14 | 2012-08-22 | 农业部沼气科学研究所 | Biogas generating device for discharging sand through automatic flow |
| JP2013193003A (en) * | 2012-03-16 | 2013-09-30 | Chiyoda Kako Kensetsu Kk | Treatment method and treatment system of plant wastewater |
| CN203346385U (en) * | 2013-06-20 | 2013-12-18 | 高密市恒阳环保工程有限公司 | Device for automatically residues from methane tanks without power |
| CN205170492U (en) * | 2015-10-09 | 2016-04-20 | 农业部沼气科学研究所 | Domestic sewage purification system of unpowered aeration |
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Application publication date: 20151223 Assignee: Chengdu Zhongnong Energy and Environmental Engineering Design Co., Ltd. Assignor: Methane Scientific Research Inst., Ministry of Agriculture Contract record no.: 2018510000079 Denomination of invention: Domestic sewage purification system capable of realizing unpowered aeration Granted publication date: 20171201 License type: Exclusive License Record date: 20181225 |
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Change date: 20190725 Contract record no.: 2018510000079 License type after: General permission License type before: Exclusive license |