CN107200432A - A kind of integrated rural domestic sewage processing method - Google Patents
A kind of integrated rural domestic sewage processing method Download PDFInfo
- Publication number
- CN107200432A CN107200432A CN201710421650.7A CN201710421650A CN107200432A CN 107200432 A CN107200432 A CN 107200432A CN 201710421650 A CN201710421650 A CN 201710421650A CN 107200432 A CN107200432 A CN 107200432A
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- China
- Prior art keywords
- room
- sludge
- processing method
- sewage
- mud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
The present invention proposes a kind of integrated rural domestic sewage processing method, including：S1, sewage is discharged into the coarse grid room being sequentially arranged from inside to outside；S2, the sewage for treating coarse grid room are discharged into thin grid room, and row buffering regulation is entered to sewage；S3, by overflow manner, the water after being handled in thin grid room is discharged into MBR film process room；S4, by overflow manner, the water after being handled in MBR film process room is discharged into oxidizing chamber；S5, in thin grid room bottom the first mud discharging mouth is set, the second mud discharging mouth is set in MBR film process room bottom, the 3rd mud discharging mouth is set in oxidizing chamber bottom, three mud discharging mouths lead to the mud room of chambers bottom, mud room is used to accept the sludge in sewage.The method of the present invention has the advantages that energy consumption is low, take up an area small, efficiency high.
Description
Technical field
The present invention relates to sewage disposal technology, more particularly, to a kind of integrated rural domestic sewage processing method.
Background technology
Mainly there is kitchen in the source of domestic sewage in rural areas, takes a shower, washs and flush the toilet, its quantity, composition, pollutant concentration
It is relevant with the habits and customs of urban residents, living standard and water consumption.In general, domestic sewage in rural areas has following features：
Content of organics is higher, and biodegradability is good, and the poisonous and harmful substance content such as heavy metal is low, and water quality and quantity fluctuation is big.
For the drinking water safety problem in rural area remote geographic location area, construction Large Water Works solution route is concentrated not cut
It is actual.The characteristics of country sewage emission source is that discharge capacity is little, and emission point is scattered, passes through extensive pipe network and collects sewage concentration
Had any problem to medium-and-large-sized sewage treatment plant, and it is uneconomical.But be such as allowed to free discharge, then environment is affected greatly.Pin
To problem above, the conventional integrated MBR membrane treatment appts for the treatment of technology, are intake using single-point at present.Sewage disposal is each anti-
Area is answered not set strict partition typically, sewage is easy to reach each functional areas in processing procedure Zhong Ge areas microorganism, due to other properties
Microorganism mixing interference, cause can not to reach required reaction condition in each functional areas short time, so as to add sewage
The volume for the treatment of region.Existing sewage integrated treatment equipment is not perfect enough, with outlet effect is not high enough, quality is heavy, volume
Greatly, the shortcomings of filter material replacement is complicated.
The content of the invention
In view of the shortcomings of the prior art, the present invention proposes a kind of small-sized integrated treatment method for rural sewage, including：
S1, sewage is discharged into the coarse grid room being sequentially arranged from inside to outside；
S2, the sewage for treating coarse grid room are discharged into thin grid room, and row buffering regulation is entered to sewage；
S3, by overflow manner, the water after being handled in thin grid room is discharged into MBR film process room；
S4, by overflow manner, the water after being handled in MBR film process room is discharged into oxidizing chamber；
S5, thin grid room bottom set the first mud discharging mouth, MBR film process room bottom set the second mud discharging mouth, in oxygen
Change room bottom and the 3rd mud discharging mouth is set, three mud discharging mouths lead to the mud room of chambers bottom, and mud room is used to accept sewage
In sludge.
Beneficial effects of the present invention include：
Method proposed by the present invention has the advantages that energy consumption is low, efficiency high.
The present invention utilizes Action of Gravity Field, has carried out overflow and blowdown mud, and microkinetic, reduction are used in sewage disposal process
Operating cost, life in the countryside custom of more fitting.
Brief description of the drawings
Fig. 1 is the longitudinal sectional drawing of the processing equipment of the present invention；
Fig. 2 is the transverse cross-sectional view of the processing equipment of the present invention；
Fig. 3 is the aeration spray head layout of the processing equipment in Fig. 1；
Fig. 4 is the flow chart of the processing method of the present invention.
Wherein：1- tank bodies, 2- coarse racks, 3- fine facks, 4-MBR film process room, 5- oxidizing chambers, 6- waterproof bulkheads, 7- expose
Gas blowout head, 8- mud rooms, 9- tank bodies leg, 10- enter sewage pipe, 11- and enter sewage tube valve, the overfalls of 12- first, 13- second
Overfall, the overfalls of 14- the 3rd, 15- air pumps, 16- air inlet pipe, the mud discharging mouths of 17- the 3rd, the valves of 18- the 3rd, the spoil disposals of 19- second
Mouth, the valves of 20- second, the mud discharging mouths of 21- first, the valves of 22- first, the total mud discharging mouths of 23-, 24- total valves, the sludge of 25- the 3rd incline
Swash plate, the second sludge of 26- hang plate, the first sludge of 27- hang plate, the total spoil disposal hang plates of 28-, 29- backing plates.
Embodiment
Embodiments of the present invention are described with reference to the accompanying drawings, wherein identical part is presented with like reference characters.
In the case where not conflicting, the technical characteristic in following embodiments and embodiment can be mutually combined.
The present invention is described in detail with specific implementation case below in conjunction with the accompanying drawings.
First embodiment
As shown in Figure 1 and Figure 2, equipment of the invention includes：Tank body 1 and mud room 8.The tank body 1 is from from inside to outside successively
It is separated into coarse grid room 2, thin grid room 3, MBR film process room 4 and oxidizing chamber 5.Tank body 1 be preferably cylinder, using steel plate as
Material is made, and adds anticorrosive paint surface treatment.The mud room 8 is located at the lower section of tank body 1, is left after accepting the processing water of tank body 1
Spot, and discharge by total mud discharging mouth 23.
Coarse grid room 2 is located at the centre of tank body 1, and coarse grid room 2 is connected on sewage pipe 10, sewage pipe 10 and is provided with sewage
Tube valve 11.Open into sewage tube valve 11, sewage enters coarse grid room 2 via sewage pipe 10.The aperture of coarse rack 2 is for example
Can be 25*25mm.
Thin grid room 3 is located in the outside of coarse grid room 2, and parcel coarse grid room 2 is used between thin grid room 3 and coarse grid room 2
Coarse grid is separated.The aperture 10*10mm of fine fack room 3, the purpose that fine fack room 3 is set be sewage is carried out preliminary sedimentation and
Row buffering regulation is entered to the flow of subsequent treatment sewage.The top of fine fack room 3 is provided with the first overfall 12, the first overfall 12
Lead to MBR film process room 4.
MBR film process room 4 is located at the thin outside of grid room 3, wraps up the sewage in thin grid room 3, fine fack room 3 via first
In the overflow of overfall 12 to MBR film process room 4.The side on the top of MBR film process room 4 is provided with the second overfall 13, second
Overfall 13 leads to oxidizing chamber 5.After sewage in MBR film process room 4 is purified through MBR technology, the sewage of preliminary purification is again through
In the overflow of two overfall 13 to oxidizing chamber 5.
Oxidizing chamber 5 is located at the outside of MBR film process room 4, parcel MBR film process room 4.MBR film process room 4 and oxidizing chamber 5 it
Between separated using waterproof bulkhead 6.The inside of oxidizing chamber 5, which is filled with polyurethane sponge filler, filler, the microorganism that itches.Polyurethane
Sponge filler provides the contact surface area of attachment position, increase sewage and aerobic bacteria for aerobic bacteria, and then improves sewage disposal effect
Rate.Sewage in oxidizing chamber 5 obtains sewage up to standard after the aerobic microbiological effect on polyurethane sponge filler.Oxidizing chamber 5
Top (polyurethane sponge filler top) has the 3rd overfall 14, and the 3rd overfall 14 leads to the external world.After oxidized room 5 is handled
Permitted discharge supply reuse via the overflow of the 3rd overfall 14 to the external world.
Alternatively, the bottom of the first overfall 12 of fine fack room 3 is higher than the second overfall 13 of MBR film process room 4
Top, top of the bottom higher than the 3rd overfall 14 of oxidizing chamber 5 of the second overfall 13 of MBR film process room 4.This three
The vertical layer position arrangement of the overfall of person contributes to current by the Action of Gravity Field of itself, from the overflow of fine fack room 3 to MBR
Film process room 4, from the overflow of MBR film process room 4 to oxidizing chamber 5, and from the overflow of oxidizing chamber 5 to the external world.
The top of MBR film process room 4 and the top of oxidizing chamber 5 are provided with overfall.The transverse layers position arrangement of this overfall
Contribute to sewage in process chamber, oxidizing chamber flowing, there are more chances to be contacted with the filler inside process chamber, oxidizing chamber, and then
The degree of purification of sewage disposal can be improved.
In addition, the thin bottom of grid room 3 is provided with the first sludge hang plate 27 of two truncated cone-shapeds, the first sludge hang plate 27
Lower section is provided with the first mud discharging mouth 21, and the first mud discharging mouth 21 is provided with the first valve 22.First mud discharging mouth 21 leads to mud room 8.
The bottom of MBR film process room 4 is provided with the second sludge hang plate 26 of two truncated cone-shapeds, the second sludge hang plate 26
Side is provided with the second mud discharging mouth 19, and the second mud discharging mouth 19 is provided with the second valve 20.Second mud discharging mouth 19 leads to mud room 8.
The bottom of oxidizing chamber 5 is provided with the 3rd sludge hang plate 25 of two truncated cone-shapeds, and the lower section of the 3rd sludge hang plate 25 is set
There is the 3rd mud discharging mouth 17, the 3rd mud discharging mouth 17 is provided with the 3rd valve 18.3rd mud discharging mouth 17 leads to mud room 8.
Pass through the first mud discharging mouth 21 of thin grid room 3, the second mud discharging mouth 19 of MBR film process room 4, the 3rd of oxidizing chamber 5 the
The spot of processing is expelled to mud room 8 from mud discharging mouth in mud discharging mouth 17, each process chamber.Sludge in mud room 8 eventually through
Total mud discharging mouth 23 is discharged to the external world, carries out other utilizations.The bottommost of mud room 8 is provided with total sludge hang plate of reverse frustoconic
28, total bottom of sludge hang plate 28 is provided with total mud discharging mouth 23, and total mud discharging mouth is provided with total valve 24.
Alternatively, the first sludge hang plate 27, the second sludge hang plate 26, the 3rd sludge hang plate 25 and total sludge are tilted
The angle of inclination of plate 28 is 30 degree, is easy to sludge to be discharged outdoor by self gravitation and will not extra space-consuming.
In addition, in the lower section of coarse grid room 2, thin grid room 3, MBR film process room 4 and oxidizing chamber 5, at described four
Reason room is provided with aerator, and the aerator includes air inlet pipe 16 and aeration spray head 7, and aeration spray head 7 is arranged on air inlet pipe
On 16, positioned in each process chamber.Air inlet pipe 16 is connected with air pump 15, so that air can enter each by aeration spray head 7
Individual process chamber.The aerator and the MBR film process room 4 and oxidizing chamber 5, and distance is 10-20cm between ground.
Alternatively, air inlet pipe 16 is connected to inside tank body 1 by backing plate 29.
It is alternatively possible to set four air inlet pipe 16, four branch air inlet pipe 16 are using the kernel of section of tank body 1 as common connection
Point, and angle is in 90 ° two-by-two, as shown in Figure 3.The arrangement of this aeration spray head contributes to gas in sewage, has
Beneficial to the aerobic effect of aerobic microbiological, and then improve sewage treating efficiency.
In the present invention, using the working operating mode of " intermittent aerating ", it is aerated between duration 10min-30min.
In addition, the bottom of tank body 1 of the present invention is provided with tank body leg 9 to be supported.
Alternatively, it is contemplated that country sewage water quality and equipment manufacturing cost, the equipment of invention takes the most frequently used pvdf membrane in market,
According to application experience in water quality and engineering, sanitary sewage design flux chooses 20L/m2H, equipment running temperature be -10 DEG C~
50℃。
Domestic consumption takes 85L/d per capita in rural area, and each household counts hydraulic retention, equipment waterpower of the invention in by four mental arithmetics
Load takes 400L/d, COD≤300mg/L, BOD5≤150mg/L, ρ (SS)≤150mg/L, ρ (TN)≤40mg/L, ρ (NH3-N)
≤ 35mg/L, ρ (TP)≤4.5mg/L, pH=6~9.
Alternatively, equipment size of the invention：The high 0.4m of tank body 1, the length and width of tank body 1 are 1m.The coarse grid of coarse rack room 2
Diameter 0.1m, the bottom surface length of side 0.2m of fine fack room 3, the length of side of MBR film process room 4 is 0.6m, and the length of side of oxidizing chamber 5 is 1.0m.
Consider rural residence habit, be square by tank design, be well suited to put, and space availability ratio is bigger.
Beneficial effects of the present invention can be confirmed from application example in detail below：
The equipment of the present invention is mutually sought in Jixian, tianjin Municipality Liu has carried out trial operation in villager family, CODcr in sewage
300mg/L, NH3-N 45mg/L, TN 45mg/L, TP 3.2mg/L, through present invention reason, hydraulic load is 400-500L/d, is gone out
Water CODcr is less than 50mg/L, and NH3-N is less than 3mg/L, and TN is less than 15mg/L, and TP is less than 0.5mg/L.Purifier effluent quality
Stable, purifier water outlet reaches《Urban wastewater treatment firm sewage drainage standard (GB18918-2002)》One-level B.
Second embodiment
In yet another embodiment of the present invention, a kind of small-sized integrated treatment method for rural sewage is proposed.Such as
Shown in Fig. 4, method of the invention includes：
S1, sewage is discharged into the coarse grid room 2 being sequentially arranged from inside to outside.Wherein, coarse grid room 2 is connected to sewage pipe
10。
S2, the sewage for treating coarse grid room 2 are discharged into thin grid room 3, and row buffering regulation is entered to sewage.
Thin grid room 3 is located in the outside of coarse grid room 2, and parcel coarse grid room 2 is used between thin grid room 3 and coarse grid room 2
Coarse grid is separated.Thin grid room 3 carries out preliminary sedimentation to sewage and the flow to subsequent treatment sewage enters row buffering regulation.
S3, by overflow manner, the water after being handled in thin grid room 3 is discharged into MBR film process room 4.
MBR film process room 4 is located at the thin outside of grid room 3, wraps up the sewage in thin grid room 3, fine fack room 3 via thereon
In the overflow of first overfall 12 in portion to MBR film process room 4.
S4, by overflow manner, the water after being handled in MBR film process room 4 is discharged into oxidizing chamber 5.
The side on the top of MBR film process room 4 is provided with the second overfall 13, and the second overfall 13 leads to oxidizing chamber 5.
Polyurethane sponge filler is filled with oxidizing chamber 5, sewage disposal is carried out.
Oxidizing chamber 5 is located at the outside of MBR film process room 4, parcel MBR film process room 4.The inside of oxidizing chamber 5 is filled with polyurethane
There is the microorganism that itches on sponge filler, filler.Polyurethane sponge filler provides attachment position for aerobic bacteria, increase sewage with it is aerobic
The contact surface area of bacterium, and then improve sewage treating efficiency.Sewage in oxidizing chamber 5 is through aerobic micro- on polyurethane sponge filler
After biological agent, sewage up to standard is obtained.
S5, the thin bottom of grid room 3 set the first mud discharging mouth 21, the bottom of MBR film process room 4 set the second mud discharging mouth
19, the 3rd mud discharging mouth 17 is set in the bottom of oxidizing chamber 5, three mud discharging mouths lead to the mud room 8 of chambers bottom, mud room 8
For accepting the sludge in sewage.
S6, in the thin bottom of grid room 3 first sludge hang plate 27 is set, sets second dirty in the bottom of MBR film process room 4
Mud hang plate 26, sets the 3rd sludge hang plate 25, in favor of the discharge of deposit in the bottom of oxidizing chamber 5.Three spoil disposals
Mouth is located on three sludge hang plates respectively.
S7, the lower section in coarse grid room 2, thin grid room 3, MBR film process room 4 and oxidizing chamber 5, through described four processing
Room is provided with aerator.The aerator includes air inlet pipe 16 and aeration spray head 7, and aeration spray head 7 is arranged on air inlet pipe 16
On, positioned in each process chamber.Aerator can include four air inlet pipe 16, and right-angled intersection is set.
Coarse grid room 2, thin grid room 3, MBR film process room 4, oxidizing chamber 5, the other specification of mud room 8 are implemented with first
Mode is identical, repeats no more.Those skilled in the art can be combined according to teachings of the present application.
Embodiment described above, is the present invention more preferably embodiment, those skilled in the art is at this
The usual variations and alternatives carried out in the range of inventive technique scheme all should be comprising within the scope of the present invention.
Claims (10)
1. a kind of integrated rural domestic sewage processing method, it is characterised in that including：
S1, sewage is discharged into the coarse grid room being sequentially arranged from inside to outside；
S2, the sewage for treating coarse grid room are discharged into thin grid room, and row buffering regulation is entered to sewage；
S3, by overflow manner, the water after being handled in thin grid room is discharged into MBR film process room；
S4, by overflow manner, the water after being handled in MBR film process room is discharged into oxidizing chamber；
S5, thin grid room bottom set the first mud discharging mouth, MBR film process room bottom set the second mud discharging mouth, in oxidizing chamber
Bottom sets the 3rd mud discharging mouth, and three mud discharging mouths lead to the mud room of chambers bottom, and mud room is used to accept in sewage
Sludge.
2. integrated rural domestic sewage processing method according to claim 1, it is characterised in that
Polyurethane sponge filler is filled with oxidizing chamber, sewage disposal is carried out.
3. integrated rural domestic sewage processing method according to claim 1, it is characterised in that
The first sludge hang plate is set in thin grid room bottom, the second sludge hang plate is set in MBR film process room bottom, in oxygen
Change room bottom and the 3rd sludge hang plate is set, three mud discharging mouths are located on three sludge hang plates respectively.
4. integrated rural domestic sewage processing method according to claim 1, it is characterised in that also include：
In the lower section of coarse grid room, thin grid room, MBR film process room and oxidizing chamber, aeration dress is set through this four process chambers
Put.
5. integrated rural domestic sewage processing method according to claim 4, it is characterised in that
The aerator includes air inlet pipe and aeration spray head, and aeration spray head is arranged in air inlet pipe, positioned in each process chamber
It is interior.
6. integrated rural domestic sewage processing method according to claim 5, it is characterised in that
Four air inlet pipe are set, and one end is connected jointly, and angle is in 90 ° two-by-two.
7. integrated rural domestic sewage processing method according to claim 4, it is characterised in that
Aerator uses the working operating mode of intermittent aerating, and aeration duration is between 10-30 minutes.
8. integrated rural domestic sewage processing method according to claim 5, it is characterised in that
Air inlet pipe is connected to inside chambers by backing plate.
9. integrated rural domestic sewage processing method according to claim 5, it is characterised in that
The bottom of mud room is provided with total sludge hang plate of reverse frustoconic, and total sludge hang plate bottom is provided with total mud discharging mouth.
10. integrated rural domestic sewage processing method according to claim 5, it is characterised in that
First sludge hang plate, the second sludge hang plate, the angle of inclination of the 3rd sludge hang plate and total sludge hang plate are 30
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710421650.7A CN107200432A (en) | 2017-06-07 | 2017-06-07 | A kind of integrated rural domestic sewage processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710421650.7A CN107200432A (en) | 2017-06-07 | 2017-06-07 | A kind of integrated rural domestic sewage processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107200432A true CN107200432A (en) | 2017-09-26 |
Family
ID=59907216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710421650.7A Pending CN107200432A (en) | 2017-06-07 | 2017-06-07 | A kind of integrated rural domestic sewage processing method |
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| Country | Link |
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| CN (1) | CN107200432A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112624499A (en) * | 2020-12-10 | 2021-04-09 | 农业农村部环境保护科研监测所 | Integrated single-family and household-connected rural domestic sewage treatment method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105198168A (en) * | 2015-10-25 | 2015-12-30 | 北京工业大学 | A2/O-MBR-biological contact oxidation pond dual-sludge high-efficiency denitrifying phosphorus removal device and method |
| CN106045227A (en) * | 2016-08-01 | 2016-10-26 | 安徽泛亚环保科技有限公司 | Miniature integrated domestic sewage treatment equipment |
-
2017
- 2017-06-07 CN CN201710421650.7A patent/CN107200432A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105198168A (en) * | 2015-10-25 | 2015-12-30 | 北京工业大学 | A2/O-MBR-biological contact oxidation pond dual-sludge high-efficiency denitrifying phosphorus removal device and method |
| CN106045227A (en) * | 2016-08-01 | 2016-10-26 | 安徽泛亚环保科技有限公司 | Miniature integrated domestic sewage treatment equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112624499A (en) * | 2020-12-10 | 2021-04-09 | 农业农村部环境保护科研监测所 | Integrated single-family and household-connected rural domestic sewage treatment method |
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| CB02 | Change of applicant information |
Address after: No. 31 Fukang Road, Nankai District, Tianjin City, 300191 Applicant after: Environmental Protection Research and Monitoring Institute of the Ministry of Agriculture and Rural Areas Address before: No. 31 Fukang Road, Nankai District, Tianjin City, 300191 Applicant before: Agro-Environmental Protection Institute of Ministry of Agriculture |
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Application publication date: 20170926 |
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