CN209383621U - A kind of sewage disposal system for town domestic sewage purified treatment - Google Patents
A kind of sewage disposal system for town domestic sewage purified treatment Download PDFInfo
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- CN209383621U CN209383621U CN201822180525.4U CN201822180525U CN209383621U CN 209383621 U CN209383621 U CN 209383621U CN 201822180525 U CN201822180525 U CN 201822180525U CN 209383621 U CN209383621 U CN 209383621U
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Abstract
The utility model discloses a kind of sewage disposal systems for town domestic sewage purified treatment, include pumping plant of intaking, the water inlet of water inlet pumping plant is connected with the water outlet of the first sewage conduct, for being discharged into town domestic sewage into water pumping plant, the first elevator pump is equipped in water inlet pumping plant, first elevator pump is connected by the second sewage conduct with grille well, grille well is set to conditioning tank top, the second elevator pump is equipped in conditioning tank, second elevator pump is connected by third sewage conduct with the water inlet of air floatation machine, the water outlet of air floatation machine is connected by the 4th sewage conduct with anaerobic pond, anaerobic pond is connected with anoxic pond, anoxic pond is connected with aerobic tank, aerobic tank is connected with MBR membrane cisterna, MBR membrane cisterna is connected with middle pond, middle pond is connected with drainage pipeline, the water discharge that purified treatment is crossed.The utility model uses MBR sewage treatment process, and wastewater purifying efficiency is good, high to the organic matter in sewage, ammonia, the removal efficiency of nitrogen and phosphorus.
Description
Technical field
It is the utility model relates to technical field of sewage, in particular to a kind of for town domestic sewage purified treatment
Sewage disposal system.
Background technique
Town domestic sewage is mainly the waste water being discharged in resident's daily life, such as house, school, hospital, shop and public affairs
Place etc. altogether, the pollutant in sanitary sewage is mainly organic matter (such as protein, carbohydrate, fat, urea and ammonia nitrogen
Deng) and a large amount of pathogenic microorganisms (such as parasitic ovum and enteric infection virus), it is present in organic matter in sanitary sewage neither
Stablize, be easy corruption and generate stench, at the same bacterium and pathogen using the organic matter in sanitary sewage as nutrition mass propagation,
It can lead to infectious disease from spreading prevalence.
Currently, common sewage water treatment method has physical treatment process, biological degradation method, method of chemical treatment etc., wherein physics
Facture mainly passes through the undissolved pollutant in suspended state in physical action separation, recycling sewage；Biological degradation method
Mainly by the metabolism of microorganism, it is the organic pollutant in sewage in solution, colloid and fine suspended state, turns
Turn to stable, harmless substance；Method of chemical treatment is mainly by chemically reacting and the effect of biography value to separate, remove in sewage is in
Dissolution, colloidal state pollutant or be translated into harmless substance, the above sewage water treatment method is to having in sewage
The treatment effeciency of machine object, ammonia, nitrogen, phosphorus etc. is low, and water quality treatment is difficult to ensure, is unable to reach the water quality row of town sewage purified treatment
Put standard.
Utility model content
In order to overcome defect present in background technique, the utility model provides a kind of at town domestic sewage purification
The sewage disposal system of reason.
To achieve the goals above, the technical solution adopted in the utility model are as follows: one kind is purified for town domestic sewage
The sewage disposal system of processing includes water inlet pumping plant, grille well, conditioning tank, air floatation machine, anaerobic pond, anoxic pond, aerobic tank, MBR
Membrane cisterna, middle pond, sludge-tank and equipment room；
The anaerobic pond and anoxic pond are juxtaposed on the side of sludge-tank；
The aerobic tank is set to the side of anaerobic pond and anoxic pond far from sludge-tank；
The MBR membrane cisterna and conditioning tank are juxtaposed on side of the aerobic tank far from anaerobic pond and anoxic pond.
The grille well is set to side of the MBR membrane cisterna far from aerobic tank；
The middle pond is set to side and conditioning tank side far from aerobic tank of the grille well far from MBR membrane cisterna；
The water inlet pumping plant is set near MBR membrane cisterna, grille well and middle pond；
The equipment room is set near middle pond；
The air floatation machine is set near sludge-tank；
The water inlet of the water inlet pumping plant is connected with the water outlet of the first sewage conduct, for town domestic sewage to be discharged into
Water inlet pumping plant, is equipped with the first elevator pump in the water inlet pumping plant, and first elevator pump passes through the second sewage conduct and grid
Well is connected, and the grille well is set to conditioning tank top, and grille well upper end is concordant with conditioning tank upper end, in the conditioning tank
Equipped with the second elevator pump, second elevator pump is connected by third sewage conduct with the water inlet of air floatation machine, the air floatation machine
Water outlet be connected with anaerobic pond by the 4th sewage conduct, the anaerobic pond is connected with anoxic pond, the anoxic pond with it is aerobic
Pond be connected, the aerobic tank is connected with MBR membrane cisterna, the MBR membrane cisterna pass through self priming pump be connected with middle pond, the middle pond and
Drainage pipeline is connected, and the water that purified treatment is crossed is discharged.
In the above scheme, the sludge-tank by the first sludge pipe respectively with anaerobic pond, anoxic pond, aerobic tank and
MBR membrane cisterna is connected, and sludge pump is additionally provided in the sludge-tank, and the sludge pump will be in sludge-tank by the second sludge pipe
Sludge is discharged and transports outward；
In the above scheme, air blower and medicine machine are equipped in the equipment room, the air blower passes through air hose
Road is connected with aerobic tank and MBR membrane cisterna respectively.
In the above scheme, reflux pump is additionally provided in the MBR membrane cisterna, the reflux pump passes through reflux line and anoxic
Pond is connected.
In the above scheme, the air pipeline includes the first air branch pipe road, the second air branch pipe road and air supervisor
Road, described gas main duct one end are connected with air blower, the other end respectively with the first air branch pipe road and the second air branch pipe road
It is connected；
First air branch pipe road is connected with the aerated conduit for being set to aerobic bottom of pond portion, sets on the aeration tube road
There are several aeration spray heads；
Second air branch pipe road is connected with the aeration tank on the MBR membrane bioreactor being set in MBR membrane cisterna.
In the above scheme, the MBR membrane bioreactor is connected by the first water pipe with self priming pump, and the self priming pump is logical
The second water pipe is crossed to be connected with middle pond.
In the above scheme, be additionally provided with PLC control cabinet in the equipment room, the PLC control cabinet respectively with air floatation machine,
Air blower, medicine machine, the first elevator pump, the second elevator pump, reflux pump and self priming pump electrical connection.
In the above scheme, the self priming pump is set to the top of MBR membrane cisterna or middle pond.
In the above scheme, the horizontal drop between connected two ponds of the anaerobic pond, anoxic pond, aerobic tank and MBR membrane cisterna
At least 0.1m, to be in from stream mode between two ponds that guarantee to be connected.
In the above scheme, the pitch of the grille well is 1mm~3mm.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model uses MBR sewage treatment process, and sewage is flowed into through anaerobic pond, anoxic pond, aerobic tank processing
MBR membrane cisterna can be such that microorganism is completely trapped in bioreactor under the action of MBR membrane bioreactor, guarantee water outlet water
Matter；
(2) the film crown_interception of MBR is lost the nitrifier of slow growth not, and concentration is improved, to improve pair
The removal rate of ammonia nitrogen；
(3) the film crown_interception of MBR is retained down colloid in waste water, macromolecular, microorganism in biochemical reaction
Macromolecular metabolin is also trapped in reactor, this will be helpful to the domestication to microorganism, and such hydraulic detention time is short, but
Sludge retention time greatly prolongs, so that microorganism be made to further increase the removal of organic matter.
Detailed description of the invention
Fig. 1 is the utility model the dirty water decontamination handles station plane figure；
Fig. 2 is the utility model sewage purification processing system structural schematic diagram one；
Fig. 3 is the utility model sewage purification processing system structural schematic diagram two；
Enlarged diagram at A in Fig. 4 the utility model Fig. 2；
Enlarged diagram at B in Fig. 5 the utility model Fig. 2.
In figure: 1, pumping plant of intaking；2, grille well；3, conditioning tank；4, air floatation machine；5, anaerobic pond；6, anoxic pond；7, aerobic
Pond；8, MBR membrane cisterna；8.1, MBR membrane bioreactor；9, middle pond；10, sludge-tank；10.1, sludge pump；11, equipment room；
11.1, air blower；11.2, medicine machine；12.1, the first sewage conduct；12.2, the second sewage conduct；12.3, third sewage pipe
Road；13.1, the first elevator pump；13.2, the second elevator pump；14.1, the first sludge pipe；14.2, the second sludge pipe；15, empty
Feed channel；15.1, the first air branch pipe road；15.2, the second air branch pipe road；15.3, gas main duct；16, reflux pump；17,
Return pipe；18, drainage pipeline；19, self priming pump；20.1, the first water pipe；20.2, the second water pipe；21, aerated conduit；21.1, expose
Gas nozzle.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
It as shown in Figure 1 to Figure 3, is the sewage treatment system provided by the utility model for town domestic sewage purified treatment
System, including water inlet pumping plant 1, grille well 2, conditioning tank 3, air floatation machine 4, anaerobic pond 5, anoxic pond 6, aerobic tank 7, MBR membrane cisterna 8, in
Pond 9, sludge-tank 10 and equipment room 11, in which:
Anaerobic pond 5 and anoxic pond 6 are juxtaposed on the side of sludge-tank 10；
Aerobic tank 7 is set to the side of anaerobic pond 5 and anoxic pond 6 far from sludge-tank 10；
MBR membrane cisterna 8 and conditioning tank 3 are juxtaposed on side of the aerobic tank 7 far from anaerobic pond 5 and anoxic pond 6.
Grille well 2 is set to side of the MBR membrane cisterna 8 far from aerobic tank 7；
Middle pond 9 is set to side and conditioning tank 3 side far from aerobic tank 7 of the grille well 2 far from MBR membrane cisterna 8；
Water inlet pumping plant 1 is set near MBR membrane cisterna 8, grille well 2 and middle pond 9；
Equipment room 11 is set near middle pond 9；
Air floatation machine 4 is set near sludge-tank 10；
The water inlet of water inlet pumping plant 1 is connected with the water outlet of the first sewage conduct 12.1, for arranging town domestic sewage
Enter into water pumping plant 1, the first elevator pump 13.1 is equipped in water inlet pumping plant 1, the first elevator pump 13.1 passes through the second sewage conduct
12.2 are connected with grille well 2, and grille well 2 is set to 3 top of conditioning tank, and 2 upper end of grille well is concordant with 3 upper end of conditioning tank,
The second elevator pump 13.2 is equipped in conditioning tank 3, the second elevator pump 13.2 passes through the water inlet of third sewage conduct 12.3 and air floatation machine 4
Mouth is connected, and the water outlet of air floatation machine 4 is connected by the 4th sewage conduct 12.4 with anaerobic pond 5, and anaerobic pond 5 is connected with anoxic pond 6,
Anoxic pond 6 is connected with aerobic tank 7, and aerobic tank 7 is connected with MBR membrane cisterna 8, and MBR membrane cisterna 8 is connected by self priming pump 19 with middle pond 9,
Middle pond 9 is connected with drainage pipeline 18, and the water that purified treatment is crossed is discharged.
Sludge-tank 10 by the first sludge pipe 14.1 respectively with anaerobic pond 5,8 phase of anoxic pond 6, aerobic tank 7 and MBR membrane cisterna
Even, sludge pump 10.1 is additionally provided in sludge-tank 10, sludge pump 10.1 will be in sludge-tank 10 by the second sludge pipe 14.2
Sludge is discharged and transports outward；
Air blower 11.1 and medicine machine 11.2 are equipped in equipment room 11, air blower 11.1 is distinguished by air pipeline 15
It is connected with aerobic tank 7 and MBR membrane cisterna 8.
Reflux pump 16 is additionally provided in MBR membrane cisterna 8, reflux pump 16 is connected by reflux line 17 with anoxic pond 6.
Air pipeline 15 includes the first air branch pipe road 15.1, the second air branch pipe road 15.2 and gas main duct 15.3,
15.3 one end of gas main duct is connected with air blower 11.1, the other end respectively with the first air branch pipe road 15.1 and the second air branch
Pipeline 15.2 is connected；
As shown in figure 4, the first air branch pipe road 15.1 is connected with the aerated conduit 21 for being set to 7 bottom of aerobic tank, exposing
Feed channel 21 is equipped with several aeration spray heads 21.1；
Second air branch pipe road 15.2 is with the aeration tank on the MBR membrane bioreactor 8.1 being set in MBR film 8 (in figure
It is not shown) it is connected.
MBR membrane bioreactor 8.1 is connected by the first water pipe 20.1 with self priming pump 19, as shown in figure 5, self priming pump 19 is logical
The second water pipe 20.2 is crossed to be connected with middle pond 9.
Be additionally provided with PLC control cabinet (not shown) in equipment room 11, the PLC control cabinet respectively with air floatation machine 4, drum
Blower 11.1, medicine machine 11.2, the first elevator pump 13.1, the second elevator pump 13.2, reflux pump 16 and self priming pump 19 are electrically connected,
To realize full-automatic operation.
Wherein, self priming pump 19 is set to the top of MBR membrane cisterna 8 or middle pond 9.
Wherein, the horizontal drop between connected two ponds of anaerobic pond 5, anoxic pond 6, aerobic tank 7 and MBR membrane cisterna 8 is at least
0.1m, to be in from stream mode between two ponds that guarantee to be connected.
Wherein, the pitch of grille well 2 is 3mm, the suspended matter and floating material for being greater than 3mm for intercepting diameter, after guaranteeing
The normal operation of continuous sewage disposal system；
It is come together in conditioning tank 3 through the processed sanitary sewage of grille well 1, sewage is made to carry out water quality water in conditioning tank 3
Amount is adjusted, while conditioning tank 3 be in anaerobic environment, carries out anaerobic fermentation to sewage, the biodegradability of lifting sewage, for sewage into
Enter biochemistry pool to prepare.
Wherein, the sewage in conditioning tank 3 is delivered in air floatation machine 4 through the second elevator pump 13.2, and air floatation machine 4 can produce in water
Raw a large amount of micro air bubble, makes sewage and micro air bubble be mixed to form air-water mixture, due between air-water mixture and liquid
Density imbalance, generate a pressure vertically upward, air-water mixture made to float, micro air bubble adheres in floating-upward process
On solid suspension, by solid suspension support to the water surface, and maintains on the water surface, float on the surface under the support of bubble
Intermittent scrape in slag chute of solid suspension is discharged outside pond, and sewage after processing is conveyed by the 4th sewage conduct 12.4
Into anaerobic pond 5.
Wherein, anaerobic pond 5 is in anaerobic state, can make organic matter that hydrolysis, acidification occur, and in the work of anaerobe
Macromolecule organic is decomposed with lower reinforcing, effectively makes a large amount of difficult organic matter degradation lower-molecular substances decomposed in sewage,
COD, BOD are reduced, while can effectively remove part phosphorus；
It is flowed into anoxic pond 6 through the processed sewage of anaerobic pond 5, work of the nitrate nitrogen in anoxic pond 6 in denitrifying bacteria
With lower generation anti-nitration reaction, generates nitrogen and discharge into the atmosphere, complete denitrogenation；
Aerobic tank 7 is flowed into through the processed sewage of anoxic pond 6, aerobic bacteria is to be with the oxygen dissolved in water in aerobic tank 7
Electron acceptor carries out aerobic respiration by electron donor of carbon source, and final product is with CO2Based on water, ammonia, nitrogen are in aerobic environment
In, nitration reaction occurs under the action of Nitrosomas and Nitromonas, is converted to nitrate nitrogen；
It is flowed into MBR membrane cisterna 8 through the processed sewage of aerobic tank 7, MBR membrane bioreactor is equipped in MBR membrane cisterna 8
8.1, under the swabbing action of self priming pump 19, clear water enters through the micropore on the film wire surface on MBR membrane bioreactor 8.1
Self priming pump 19 is simultaneously discharged into middle pond 9 by the second water pipe 20.2, while the film on MBR membrane bioreactor 8.1 in order to prevent
Silk table area tires out sludge, is equipped with aeration tank (not shown) in 8.1 bottom of MBR membrane bioreactor, air blower 11.1 passes through
Second air branch pipe road 15.2 is aerated through aeration tank to MBR membrane bioreactor 8.1, to the film on MBR membrane bioreactor 8.1
Silk is washed away, to keep the cleaning on film wire surface.
Wherein, sludge-tank 10 is used to store the sludge in anaerobic pond 5, anoxic pond 6, aerobic tank 7 and MBR membrane cisterna 8, and
Periodically the sludge in pond is discharged and transports outward processing by the sludge pump 10.1 in sludge-tank 10.
Wherein, it processes sewage through MBR membrane cisterna 8 to be transported in middle pond 9 by self priming pump 19, at this time in middle pond 9
Water meets water quality discharge standard, carries out gravity flow discharge by drainage pipeline 18, also can be used for the backwash of MBR membrane cisterna 8 or carries out agriculture
Field irrigation etc..
The above is only the embodiments of the present invention, are not intended to limit the scope of the utility model, all to utilize this
Equivalent process transformation made by the description of utility model is directly or indirectly applied in other correlative technology fields,
Similarly in the scope of patent protection of the utility model.
Claims (10)
1. a kind of sewage disposal system for town domestic sewage purified treatment, which is characterized in that comprising water inlet pumping plant (1),
Grille well (2), conditioning tank (3), air floatation machine (4), anaerobic pond (5), anoxic pond (6), aerobic tank (7), MBR membrane cisterna (8), middle pond
(9), sludge-tank (10) and equipment room (11)；
The anaerobic pond (5) and anoxic pond (6) are juxtaposed on the side of sludge-tank (10)；
The aerobic tank (7) is set to the side of anaerobic pond (5) and anoxic pond (6) far from sludge-tank (10)；
The MBR membrane cisterna (8) and conditioning tank (3) are juxtaposed on one of aerobic tank (7) far from anaerobic pond (5) and anoxic pond (6)
Side；
The grille well (2) is set to the side of MBR membrane cisterna (8) far from aerobic tank (7)；
The middle pond (9) is set to grille well (2) side and conditioning tank (3) far from MBR membrane cisterna (8) far from aerobic tank (7)
Side；
The water inlet pumping plant (1) is set to MBR membrane cisterna (8), near grille well (2) and middle pond (9)；
The equipment room (11) is set near middle pond (9)；
The air floatation machine (4) is set near sludge-tank (10)；
The water inlet of water inlet pumping plant (1) is connected with the water outlet of the first sewage conduct (12.1), for urban life is dirty
Water is discharged into water pumping plant (1), is equipped with the first elevator pump (13.1) in the water inlet pumping plant (1), first elevator pump
(13.1) it is connected by the second sewage conduct (12.2) with grille well (2), the grille well (2) is set to conditioning tank (3) top,
And grille well (2) upper end is concordant with conditioning tank (3) upper end, is equipped with the second elevator pump (13.2) in the conditioning tank (3), it is described
Second elevator pump (13.2) is connected by third sewage conduct (12.3) with the water inlet of air floatation machine (4), the air floatation machine (4)
Water outlet is connected by the 4th sewage conduct (12.4) with anaerobic pond (5), and the anaerobic pond (5) is connected with anoxic pond (6), described
Anoxic pond (6) is connected with aerobic tank (7), and the aerobic tank (7) is connected with MBR membrane cisterna (8), and the MBR membrane cisterna (8) passes through self-priming
Pump (19) is connected with middle pond (9), and the middle pond (9) is connected with drainage pipeline (18), and the water that purified treatment is crossed is discharged.
2. the sewage disposal system according to claim 1 for town domestic sewage purified treatment, which is characterized in that institute
State sludge-tank (10) by the first sludge pipe (14.1) respectively with anaerobic pond (5), anoxic pond (6), aerobic tank (7) and MBR film
Pond (8) is connected, and is additionally provided in the sludge-tank (10) sludge pump (10.1), and the sludge pump (10.1) passes through the second sludge pipe
Sludge in sludge-tank (10) is discharged and is transported outward by road (14.2).
3. the sewage disposal system according to claim 1 for town domestic sewage purified treatment, which is characterized in that
Air blower (11.1) and medicine machine (11.2) are equipped in the equipment room (11), the air blower (11.1) passes through air pipeline
(15) it is connected respectively with aerobic tank (7) and MBR membrane cisterna (8).
4. the sewage disposal system according to claim 3 for town domestic sewage purified treatment, which is characterized in that
It is additionally provided with reflux pump (16) in the MBR membrane cisterna (8), the reflux pump (16) passes through reflux line (17) and anoxic pond (6) phase
Even.
5. the sewage disposal system according to claim 3 for town domestic sewage purified treatment, which is characterized in that institute
Stating air pipeline (15) includes the first air branch pipe road (15.1), the second air branch pipe road (15.2) and gas main duct
(15.3), described gas main duct (15.3) one end is connected with air blower (11.1), the other end respectively with the first air branch pipe road
(15.1) it is connected with the second air branch pipe road (15.2)；
First air branch pipe road (15.1) is connected with the aerated conduit (21) for being set to aerobic tank (7) bottom, in the exposure
Feed channel (21) is equipped with several aeration spray heads (21.1)；
Exposure on second air branch pipe road (15.2) and the MBR membrane bioreactor (8.1) being set in MBR membrane cisterna (8)
Air drain is connected.
6. the sewage disposal system according to claim 5 for town domestic sewage purified treatment, which is characterized in that institute
It states MBR membrane bioreactor (8.1) and is connected with self priming pump (19) by the first water pipe (20.1), the self priming pump (19) passes through the
Two water pipes (20.2) are connected with middle pond (9).
7. the sewage disposal system according to claim 4 for town domestic sewage purified treatment, which is characterized in that
Be additionally provided with PLC control cabinet in the equipment room (11), the PLC control cabinet respectively with air floatation machine (4), air blower (11.1) plus
Medicine equipment (11.2), the first elevator pump (13.1), the second elevator pump (13.2), reflux pump (16) and self priming pump (19) electrical connection.
8. the sewage disposal system according to claim 1 for town domestic sewage purified treatment, which is characterized in that institute
State the top that self priming pump (19) is set to MBR membrane cisterna (8) or middle pond (9).
9. the sewage disposal system according to claim 1 for town domestic sewage purified treatment, which is characterized in that institute
The horizontal drop stated between connected two ponds of anaerobic pond (5), anoxic pond (6), aerobic tank (7) and MBR membrane cisterna (8) is at least 0.1m,
To be in from stream mode between two ponds that guarantee to be connected.
10. the sewage disposal system according to claim 1 for town domestic sewage purified treatment, which is characterized in that
The pitch of the grille well (2) is 1mm~3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201822180525.4U CN209383621U (en) | 2018-12-25 | 2018-12-25 | A kind of sewage disposal system for town domestic sewage purified treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822180525.4U CN209383621U (en) | 2018-12-25 | 2018-12-25 | A kind of sewage disposal system for town domestic sewage purified treatment |
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| CN209383621U true CN209383621U (en) | 2019-09-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437492A (en) * | 2018-12-25 | 2019-03-08 | 武汉念元环境科技有限公司 | Sewage disposal system for town domestic sewage purified treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437492A (en) * | 2018-12-25 | 2019-03-08 | 武汉念元环境科技有限公司 | Sewage disposal system for town domestic sewage purified treatment |
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