CN110304796A - A kind of the river row's mouth water purification system and method for suitable high-concentration and low-concentration variation - Google Patents
A kind of the river row's mouth water purification system and method for suitable high-concentration and low-concentration variation Download PDFInfo
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- CN110304796A CN110304796A CN201910641906.4A CN201910641906A CN110304796A CN 110304796 A CN110304796 A CN 110304796A CN 201910641906 A CN201910641906 A CN 201910641906A CN 110304796 A CN110304796 A CN 110304796A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- 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
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- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
It include integrated prefabricated pumping plant, fine fack, mud film coupled biological catalysis system, preformed precipitate system, two sections of settling systems, sludge dehydration device and sludge-tank the present invention relates to a kind of river row's mouth water purification system of suitable high-concentration and low-concentration variation and method, the system；System of the invention, with stronger resistance to overload shock ability, larger feature water body is differed suitable for nearly concentration at a specified future date, such as suitable for high strength domestic sewage, the sewage of combined system row the saliva body and a variety of various concentration gradients of initial rainwater, low concentration river water body of intermediate concentration, synchronizing realizes elimination black and odorous water, and purified water body main indicator can reach the standard of surface water IV class water；It provides a favorable security for river training water quality, increase hydrodynamic force, recovery the ability of the river self-purification.
Description
Technical field
The present invention relates to sewage treatment fields more particularly to a kind of river of suitable high-concentration and low-concentration variation to arrange mouth water body purification
System and method.
Background technique
With the development of urbanization process, river pollution is got worse, mainly since in line sewage, shunting are not thorough,
The water bodys such as rain sewage, initial rainwater are directly entered caused by river by arranging mouth；Such water body is rich in each pollutant, causes after entering river
A large amount of consumption of Dissolved Oxygen in Water, cause water hypoxia and darkly smelly state, collapse the entire ecosystem, while pollutant
It is difficult to degrade, is deposited on bed mud, form serious river water body pollution.
River Pai Kou is broadly divided into types, row's saliva bodies such as rainwater row mouth, combined system row mouth, environmental protection facility discharge outlet and is derived from
Upstream rain sewage network Wrong, missing, hybrid junction, the factors such as rain sewage diversion is not thorough, the overflow of combined system pipe network and initial rainwater are formed
Water body, have the characteristics that water is unstable, water concentration height is uneven.
Current common river row mouth water body treating method, which mainly has, to be perfected pipe network, cuts a dirt and receive pipe, rain sewage diversion, rainwater tune
It stores, the measures such as bypass processing on the spot of row's mouth, is limited wherein perfecting pipe network and cutting dirt and receive pipe by urban development planning, be related to road and change
The influences such as expansion, Urban House Demolition, pipe network and sewage plant load can not be solved effectively in a short time；Rainwater storage is related to land used, at purification
The influence of the factors such as reason is difficult to fast onset；Row's mouth bypasses treatment process on the spot and generallys use A2O technique, MBR technique, MBBR work
The techniques such as skill, biological aerated filter process, contact oxidation technology, due to the features such as water is unstable, water concentration height is uneven,
Control measures are caused to be unable to stable operation, it is difficult to reach ideal effect.
Summary of the invention
The purpose of the present invention is to provide a kind of rivers of suitable high-concentration and low-concentration variation to arrange mouth water purification system and method,
Solve the processing problem of the uneven river row's saliva body of water concentration height.
To achieve the above object, the invention adopts the following technical scheme:
A kind of river row's mouth water purification system of suitable high-concentration and low-concentration variation, comprising:
Integrated prefabricated pumping plant；
Fine fack, the water outlet of the integrated prefabricated pumping plant and the water inlet of fine fack connect；
Mud film coupled biological catalysis system, the mud film coupled biological catalysis system includes plug-flow aeration tank, the pulling flow type
Filler is filled in aeration tank；The water outlet of the fine fack and the water inlet of plug-flow aeration tank connect；
Preformed precipitate system, the water inlet of the preformed precipitate system and the water outlet of plug-flow aeration tank connect；
The water inlet of two sections of settling systems, two sections of settling systems is connect with the water outlet of preformed precipitate system；
Sludge dehydration device, the sludge dehydration device are connect with the mud discharging mouth of two sections of settling systems；
Sludge-tank, is provided with sludge reflux pump in preformed precipitate system sludge pond, the mud discharging mouth of the preformed precipitate system and dirty
Mud sump connection, the sludge reflux pump are connect with the inlet end of plug-flow aeration tank and sludge dehydration device respectively.
Preferably, the filling rate of the filler is 30%-70%, and the height of filler is 2.0-2.5m, and the diameter of filler is
The specific surface area of 50mm, filler are greater than 3200m2/m3。
Preferably, the preformed precipitate system is the interior rectangular sedimentation tank for setting mud scraper.
Preferably, two sections of settling systems are magnetic-coagulation settling apparatus.
Invention also provides a kind of rivers of suitable high-concentration and low-concentration variation to arrange mouth water body purification method, including following step
It is rapid:
1) river row's saliva body is introduced into integrated prefabricated pumping plant, then sent into fine fack, remove the partial suspended thing in water body；
2) water body after fine fack flow to mud film coupled biological catalysis system, and mud film coupled biological catalysis system uses pulling flow type
Activated sludge process is combined with biofilm, by sludge reflux pump by the activity sludge reflux from preformed precipitate system to mud film
The water inlet end of coupled biological catalysis system is mixed with water inlet, and muddy water mixed solution flows through filler along water (flow) direction, in activated sludge
Microbial flora is adhered on filler, biofilm forms biomembrane；The activated sludge generated by the domestication of mud film coupling mechanism, breeding
And the pollution factor in microbial flora removal water body；
3) through mud film coupled biological catalysis system, treated that muddy water mixed solution flow to that preformed precipitate system carries out preformed precipitate, preformed precipitate
Supernatant afterwards flows into two sections of settling systems and carries out secondary precipitation, and the supernatant after secondary precipitation is up to standard to be discharged into river water body；
4) activated sludge of preformed precipitate be discharged into sludge-tank storage concentration, sludge reflux pump by the activity sludge reflux of partial concentration extremely
Mud film coupled biological catalysis system, the activated sludge of remainder concentration, which is sent to sludge dehydration device, to be carried out dehydrating；It is secondary
The sludge of precipitating, which is sent to sludge dehydration device, to be carried out dehydrating.
The beneficial effects of the present invention are:
The present invention is a kind of organic integration of river row's saliva body purification techniques of suitable high-concentration and low-concentration variation, and row's saliva body is led to
Cross integrated prefabricated pumping plant be promoted to fine fack filtering suspended matter after, water body enters in mud film coupled biological catalysis system, utilize
The activated sludge and microbial flora that the domestication of mud film coupling mechanism, breeding generate carry out purification of water quality, purified muddy water mixing
Liquid carries out mud-water separation by preformed precipitate, and water body after separation removes TP and SS by two sections of settling systems, standard water discharge, limpid
It is transparent, it is discharged into river river training water quality, increases hydrodynamic force.
Since the position city river Pai Kou is by urban planning and influence on development, occupation area of equipment critical constraints, the present invention
In secondary settling tank use two-part precipitate combination technique, secondary settling tank hydraulic surface loading can be improved, shorten precipitating tank waterpower
Residence time reduces the overall occupied area of secondary settling tank.
System of the invention has stronger resistance to overload shock ability, is suitable for nearly concentration at a specified future date and differs larger feature water
Body, such as it is suitable for the combined system row's saliva body and initial rainwater, low concentration river water body of high strength domestic sewage, intermediate concentration
The sewage of a variety of various concentration gradients, synchronizing realizes elimination black and odorous water, and purified water body main indicator can reach earth's surface
The standard of water IV class water；It provides a favorable security for river training water quality, increase hydrodynamic force, recovery the ability of the river self-purification.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
In figure: the integrated prefabricated pumping plant of 1-, 2- fine fack, 3- mud film coupled biological catalysis system, 31- aerating system, 32- are filled out
Material, 4- preformed precipitate system, 41- mud scraper, 42- sludge funnel, bis- sections of settling systems of 5-, 51- sludge funnel, 6- sludge dewatering dress
It sets, 7- sludge-tank, 71- sludge reflux pump, 72- return pipe, the river 8-.
Specific embodiment
With reference to embodiment and attached drawing the present invention will be further described:
A kind of river row's mouth water purification system of suitable high-concentration and low-concentration variation shown in referring to Fig.1, comprising: integrated prefabricated
Pumping plant 1, fine fack 2, mud film coupled biological catalysis system 3,4, two sections of settling systems 5 of preformed precipitate system, sludge dehydration device 6 and
Sludge-tank 7.
Integrated prefabricated pumping plant 1 is existing integrated complete equipment, and inside setting, which crushes grid, can effectively crush water body
In large volume suspended matter, powder particle diameter is in 6-12mm.
The water outlet of integrated prefabricated pumping plant 1 is connect with the water inlet of fine fack 2, and fine fack 2 is set to the coupling life of mud film
The water inlet of object catalysis system 3, fine fack 2 are used to intercept fine suspension particle, prevent aftertreatment systems unit from blocking,
The grid spacing of fine fack is advisable in 3-5mm.
3 main body of mud film coupled biological catalysis system of the present embodiment is plug-flow aeration tank, filling in plug-flow aeration tank
There is filler 32, filler 32 is high-performance catalytic oxidation filler, and filling rate 30%-70%, the height of filler is 2.0-2.5m, filler
Diameter be 50mm, the specific surface area of filler is greater than 3200m2/m3。
The aerating system 31 of plug-flow aeration tank can connect plate-type aerator, high pressure whirlpool blower using high pressure whirlpool blower
Using super-strength die casting aluminium material, the small air quantity of power is big, occupied area is small, easy of integration；Separate unit occupied area about 0.2-0.35m2,
Air quantity 250-340m3/h。
ABS material, service area 0.8-1.0m can be used in plate-type aerator2/, 80-100 microns of diaphragm average pore,
Air mass flow 2-8m3/ h/, sufficiently increases carbonated drink and contact ratio, ensure that Dissolved Oxygen in Water content reaches 3-5mg/l.
The preformed precipitate system 4 of the present embodiment is the interior rectangular sedimentation tank for setting mud scraper 41, the water inlet of preformed precipitate system 4
With the water outlet of plug-flow aeration tank connect, the activated sludge after preformed precipitate is leaked by the sludge that mud scraper 41 is collected to bottom
Bucket 42, is then discharged by static pressure sludge pipe.
The waterpower surface loading 1.8-2.5m of rectangular sedimentation tank3/m2H, control water outlet SS is 60-80mg/L, is met dirty
Mud reflux, and reduce the occupied area of sedimentation basin.
Two sections of settling systems 5 of the present embodiment are magnetic-coagulation settling apparatus, and magnetic-coagulation settling apparatus specifically can be with reference to existing
There is technology, the water inlet of two sections of settling systems 5 is connect with the water outlet of preformed precipitate system 4, by adding magnetic powder, PAC, PAM medicine
Agent is separated by solid-liquid separation the water outlet of preformed precipitate system 4, removes suspended matter and TP in water body.
Sludge dehydration device 6 is the corollary equipment with two sections of settling systems 5, sludge dehydration device 6 and two sections of settling systems 5
The sludge funnel 51 of bottom connects, and excess sludge is dehydrated, dewatered moisture percentage in sewage sludge about 70-80% can be transported to outside
Afforestation company is used as cultivation soil/Nutrition Soil.
Sludge-tank 7 is brick mix structure pond body, and sludge reflux pump 71 is arranged in inside, and 7 pond body of sludge-tank storage volume is not less than
The 10min of sludge reflux pump 71 promotes the volume of water, and the static pressure sludge pipe of preformed precipitate system 4 connects sludge-tank 7, sludge reflux pump
71 are connect by return pipe 72 with the inlet end of plug-flow aeration tank, are recycled, return sludge ratio 20-100%；Simultaneously
Sludge reflux pump 71 connects sludge dehydration device 6, and excess sludge is dehydrated.
According to the water body purification method of above system, specifically includes the following steps:
1, river row's saliva body is introduced into integrated prefabricated pumping plant 1, then pumped into fine fack 2, remove the suspension rubbish in water body
The suspended matters such as rubbish, hair and fibrous material.
2, through fine fack 2, treated that water body flow to mud film coupled biological catalysis system 3, and water body is urged in mud film coupled biological
The hydraulic detention time of change system 3 is 4-6 hours.
Mud film coupled biological catalysis system 3 is combined using plug-flow type active sludge method with biofilm, is returned by sludge
Stream pump 71 is mixed by the water inlet end of the activity sludge reflux from preformed precipitate system 4 to mud film coupled biological catalysis system 3 and water inlet
(control sludge concentration is 1.5-4.5g/L) is closed, muddy water mixed solution flows through filler along water (flow) direction, the microorganism in activated sludge
Flora adheres on filler, biofilm forms biomembrane；The activated sludge generated by the domestication of mud film coupling mechanism, breeding and micro- life
Object flora removes COD, BOD in water body5, the pollution factors such as ammonia nitrogen, purifying water body.
3, through mud film coupled biological catalysis system 3, treated that muddy water mixed solution flow to that preformed precipitate system 4 carries out preformed precipitate,
Supernatant after preformed precipitate flows into two sections of settling systems 5 and carries out secondary precipitation, and the supernatant after secondary precipitation is up to standard to be discharged into river
In water body 8.
4, the activated sludge of preformed precipitate is discharged into the storage concentration of sludge-tank 7, and sludge reflux pump 71 is dirty by the activity of partial concentration
Mud is back to mud film coupled biological catalysis system 3, and the activated sludge of remainder concentration, which is sent to sludge dehydration device 6, to be dehydrated
Processing；The sludge of secondary precipitation equally send to sludge dehydration device 6 and is carried out dehydrating, at the sludge outward transport after dehydration and drying
It sets.
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (5)
1. mouth water purification system is arranged in a kind of river of suitable high-concentration and low-concentration variation, it is characterised in that: include:
Integrated prefabricated pumping plant；
Fine fack, the water outlet of the integrated prefabricated pumping plant and the water inlet of fine fack connect；
Mud film coupled biological catalysis system, the mud film coupled biological catalysis system includes plug-flow aeration tank, the pulling flow type
Filler is filled in aeration tank；The water outlet of the fine fack and the water inlet of plug-flow aeration tank connect；
Preformed precipitate system, the water inlet of the preformed precipitate system and the water outlet of plug-flow aeration tank connect；
The water inlet of two sections of settling systems, two sections of settling systems is connect with the water outlet of preformed precipitate system；
Sludge dehydration device, the sludge dehydration device are connect with the mud discharging mouth of two sections of settling systems；
Sludge-tank, is provided with sludge reflux pump in preformed precipitate system sludge pond, the mud discharging mouth of the preformed precipitate system and dirty
Mud sump connection, the sludge reflux pump are connect with the inlet end of plug-flow aeration tank and sludge dehydration device respectively.
2. mouth water purification system is arranged in a kind of river of suitable high-concentration and low-concentration variation according to claim 1, feature exists
In: the filling rate of the filler is 30%-70%, and the height of filler is 2.0-2.5m, and the diameter of filler is 50mm, the ratio table of filler
Area is greater than 3200m2/m3。
3. mouth water purification system is arranged in a kind of river of suitable high-concentration and low-concentration variation according to claim 1, feature exists
In: the preformed precipitate system is the interior rectangular sedimentation tank for setting mud scraper.
4. mouth water purification system is arranged in a kind of river of suitable high-concentration and low-concentration variation according to claim 1, feature exists
In: two sections of settling systems are magnetic-coagulation settling apparatus.
5. mouth water body purification method is arranged in a kind of river of suitable high-concentration and low-concentration variation according to claim 1, feature exists
In: the following steps are included:
1) river row's saliva body is introduced into integrated prefabricated pumping plant, then sent into fine fack, remove the partial suspended thing in water body；
2) water body after fine fack flow to mud film coupled biological catalysis system, and mud film coupled biological catalysis system uses pulling flow type
Activated sludge process is combined with biofilm, by sludge reflux pump by the activity sludge reflux from preformed precipitate system to mud film
The water inlet end of coupled biological catalysis system is mixed with water inlet, and muddy water mixed solution flows through filler along water (flow) direction, in activated sludge
Microbial flora is adhered on filler, biofilm forms biomembrane；The activated sludge generated by the domestication of mud film coupling mechanism, breeding
And the pollution factor in microbial flora removal water body；
3) through mud film coupled biological catalysis system, treated that muddy water mixed solution flow to that preformed precipitate system carries out preformed precipitate, preformed precipitate
Supernatant afterwards flows into two sections of settling systems and carries out secondary precipitation, and the supernatant after secondary precipitation is up to standard to be discharged into river water body；
4) activated sludge of preformed precipitate be discharged into sludge-tank storage concentration, sludge reflux pump by the activity sludge reflux of partial concentration extremely
Mud film coupled biological catalysis system, the activated sludge of remainder concentration, which is sent to sludge dehydration device, to be carried out dehydrating；It is secondary
The sludge of precipitating, which is sent to sludge dehydration device, to be carried out dehydrating.
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| CN201910641906.4A CN110304796A (en) | 2019-07-16 | 2019-07-16 | A kind of the river row's mouth water purification system and method for suitable high-concentration and low-concentration variation |
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Citations (5)
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|---|---|---|---|---|
| US5342522A (en) * | 1991-11-18 | 1994-08-30 | Tauw Milieu B.V. | Method for the treatment of sewage |
| CN102583736A (en) * | 2012-01-30 | 2012-07-18 | 湖北君集水处理有限公司 | Sewage biochemical treatment process and device utilizing active sludge and biological membrane combined circulating flow |
| CN105110569A (en) * | 2015-09-16 | 2015-12-02 | 中国电建集团成都勘测设计研究院有限公司 | Contact oxidation sewage treatment system and contact oxidation sewage treatment technology |
| CN105906052A (en) * | 2016-06-08 | 2016-08-31 | 广东省工程技术研究所 | Coupling anaerobic sludge acidogenesis mud-film two-phase composite A/A/O system and technology |
| CN109205807A (en) * | 2018-09-10 | 2019-01-15 | 安徽国祯环保节能科技股份有限公司 | A kind of the water quality method for improving and system of river black and odorous water |
-
2019
- 2019-07-16 CN CN201910641906.4A patent/CN110304796A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5342522A (en) * | 1991-11-18 | 1994-08-30 | Tauw Milieu B.V. | Method for the treatment of sewage |
| CN102583736A (en) * | 2012-01-30 | 2012-07-18 | 湖北君集水处理有限公司 | Sewage biochemical treatment process and device utilizing active sludge and biological membrane combined circulating flow |
| CN105110569A (en) * | 2015-09-16 | 2015-12-02 | 中国电建集团成都勘测设计研究院有限公司 | Contact oxidation sewage treatment system and contact oxidation sewage treatment technology |
| CN105906052A (en) * | 2016-06-08 | 2016-08-31 | 广东省工程技术研究所 | Coupling anaerobic sludge acidogenesis mud-film two-phase composite A/A/O system and technology |
| CN109205807A (en) * | 2018-09-10 | 2019-01-15 | 安徽国祯环保节能科技股份有限公司 | A kind of the water quality method for improving and system of river black and odorous water |
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| Title |
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| 北京市环境保护科学研究院等: "《三废处理工程技术手册：废水卷》", 30 April 2000, 北京：化学工业出版社 * |
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Application publication date: 20191008 |