CN105906150A - Sewage treatment system and technology for river ways in city - Google Patents
Sewage treatment system and technology for river ways in city Download PDFInfo
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- CN105906150A CN105906150A CN201610397064.9A CN201610397064A CN105906150A CN 105906150 A CN105906150 A CN 105906150A CN 201610397064 A CN201610397064 A CN 201610397064A CN 105906150 A CN105906150 A CN 105906150A
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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
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F3/30—Aerobic and anaerobic processes
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a sewage treatment system for river ways in a city. The system comprises a sewage pond, a stop net for filtering away suspension and chemical matter in sewage, an adjusting pond, a concrete pond, a settling pond, an anaerobic pond, an aerobic pond, an anoxia pond and a filter device. Microbial flora is added into the anaerobic pond. Nitrosomas and nitromonas are added into the aerobic pond. Denitrification bacteria are added into the anoxia pond. A filter layer, an adsorption layer, a filler layer and a heavy metal absorption layer are sequentially arranged in the filter device from bottom to top. The top of the filter device is connected with a micro-ecological filter pond through a drain pipe. By means of the sewage treatment system and a technology for river ways in the city, water body conditions are analyzed, and ecological regulation and control are achieved; by means of the method of combining exogenous pollution control, endogenous pollution control and micro-ecological system repair, the pollution problem of river ways in the city can be effectively solved, and a good pollution treatment effect is achieved. The invention further discloses the sewage treatment technology for river ways in the city.
Description
Technical field
The present invention relates to the technical field of sewage disposal, particularly relate to a kind of sewage disposal to city inland river road
System and sewage treatment process.
Background technology
Along with expanding economy and the propelling of urbanization process, trade effluent and sanitary sewage discharge capacity also by
Year is incremented by, and the enterprise of general city inland river road periphery is numerous, has Leather Factory, used oil processing factory, Electroplate Factory
Deng serious pollution industrial allocation, these enterprises are substantially heavily contaminated enterprise, such as leather waste water, tool
Have that water quality and quantity fluctuation is big, concentration of suspension high, easily corrupt, produce contaminant capacity big, waste water Nitrogen-and Phosphorus-containing, sulfur
The toxic compounds such as compound and cadmium.And the greasy dirt of used oil factory reveals the pollution to water body the most seriously, base
Every 1L machine oil in basis, can polluted-water area 100000 square metres, cause the isolating oxygen of water body, and
The natural degradation cycle of greasy dirt is the longest；Electroplating wastewater not only has soda acid change, and administers and the most thoroughly can
Pollute containing cyanide, ammonia, salicylic acid, heavy metal etc..These high COD, ammonia nitrogen, sulfide, weights
The pollution of metal etc., not only can direct polluted-water, and owing to these pollutant the most all have biological poison
Evil property, fundamentally destroys the ecological balance of water body.And the sanitary sewage of neighbouring resident is due to comprehensive raw
Live the not in place of sewage network, and domestic pollution also can be drained in interior river course, and the most serious affects water body
Self-purification capacity.
Since biochemical wastewater treatment technology with activated sludge process as representative is set up, it has been all that to remove carbon containing organic
Thing is the sewage second-level biochemical treatment of core.Its water quality level processing water be only capable of reaching BOD520mg/L,
SS20mg/L, and in raw sewage, ammonia nitrogen and phosphorus only have fraction to synthesize for cell.In recent years, China clearly carries
Go out sewage treatment plant GB18918-2002 to be reached " urban wastewater treatment firm pollutant emission standard "
The requirement of level A, this standard is close with the recycled water standard of many users.Water quality engineer is in transformation and upgrades
When former B-grade sewage processes water or newly-built regeneration effluent water factory, the most just get used to first carrying out sewage second-level process,
Carrying out deep purifying again, consider that it processes technique and flow process respectively, then simple combination is got up, and reaches regeneration
Water water quality or one-level A standard.Do not purify from raw sewage to recycled water at the beginning of design and carry out whole process and examine
Consider.Therefore, in each unit structures, removal kind and the load of pollutant occurs unreasonable, no the most unavoidably
In place of economy even mistake, this allows for existing urban wastewater treatment and there is technological process length, unit collocation
Unreasonable, investment and the problem such as operating cost is high.
Existing sewage disposal system is varied, mainly has chemical method, biological method and physical chemistry side
Method and use the sewage disposal system that these methods build, but for the ammonia nitrogen in interior river course, sulfide, weight
The pollution of metal etc., treatment effeciency is low, and effluent quality does not all reach standard.
Summary of the invention
Based on above the deficiencies in the prior art, technical problem solved by the invention be to provide a kind of efficiently,
The stable sewage disposal system to city inland river road and sewage treatment process, by exogenous pollution control,
The method that contaminating endogenous controls and microecosystem reparation combines, can effectively solve the problem that city inland river road
Pollution problem, obtains preferable pollution treatment effect.
In order to solve above-mentioned technical problem, the skill of the sewage disposal system to city inland river road that the present invention uses
Art scheme is: a kind of sewage disposal system to city inland river road, including cesspool, in filter sewage
Float and chemical substance intercept net, for adjusting the adjustment pond of sewage PH value, adding at Combined sewage
Reason agent and ferrous sulfate agent carry out the coagulating basin of coagulation with sewage, carry out the sedimentation tank of solid-liquid separation, wherein,
Described sewage disposal system also includes the anaerobic pond being connected with described sedimentation tank, and be connected with described anaerobic pond is good
The anoxic pond that oxygen pond is connected with described Aerobic Pond, the defecator being connected with described anoxic pond, described anoxia
Water in pond is connected with the bottom of described defecator by water inlet pipe；In adjusting pond, the pH value of sewage is adjusted
Whole for 9-11；Described Combined sewage inorganic agent includes magnesium oxide, aluminum sulfate, sodium carbonate and polyacrylamide；
The described net that intercepts uses rustless steel steel wire, is filled with bulky grain biozeolite, position in described rustless steel steel wire
On the rustless steel steel wire of side, described adjustment pond, tying-up has biogenic emission bag；It is added with micro-in described anaerobic pond
Biological bacteria, adds Nitrosomas and Nitromonas, is added with denitrifying bacterium in described anoxic pond in described Aerobic Pond；
Filter course, adsorption layer, packing layer and Metal uptake layer it is sequentially provided with from top to bottom in described defecator,
The top of described defecator is connected by drain pipe has Tiny ecosystem filtering ponds, in described Tiny ecosystem filtering ponds
It is provided with ecological matrix and the water plant having soaked bacterium solution；Quartz sand filter media and ceramic filtering it is provided with in described filter course
Material, is provided with resin and activated carbon, is provided with spiral high-efficiency biologic packing material in described packing layer in described adsorption layer,
It is provided with graininess in described Metal uptake layer and is saturated with active zeolite and the biopolymer material of biologic water cleaner
Material granule.
Described water plant is one or more in Herba Lythri Salicariae, wilson iris, again power flower and Canna generalis Bailey.
Being configured with a sludge pump bottom described sedimentation tank, described sludge pump is connected with filter press, described heavy
Mud in pond, shallow lake enters described filter press after sludge pump pressurizes.
As the improvement of technique scheme, power aerator, described power are installed in described Aerobic Pond
Aerator is submersible type plugflow aeration machine.
As the improvement of such scheme, the water seepage after described filter press processes is transported to via return duct
Described cesspool processes again.
It is preferred that also be provided with microbial bacterial agent in described Aerobic Pond.
For achieving the above object, the sewage of a kind of sewage disposal system to city inland river road that the present invention uses
Process technique is as follows:
One, sewage is incorporated in cesspool；
Two, sewage enters into adjustment pond by intercepting net, intercepts net and intercepts the foreign material in sewage, separately
Outward, the bulky grain biozeolite in rustless steel steel wire when sewage is netted by intercepting, bulky grain biology boils
Stone forms the poisonous and harmful heavy metallic in living filter zones absorption, degraded sewage and high sewage chemical material；
Sewage, through the biogenic emission bag of rustless steel steel wire side, causes the microorganism of local by biogenic emission bag
Enrichment, accelerates the decomposition of pollutant；
Three, will go into and adjust the pH value of sewage in pond and be adjusted to 9-11；
Four, in coagulating basin, first add ferrous sulfate agent, stirring, allow ferrous sulfate agent with after step 3
Sewage mixing；In coagulating basin, add Combined sewage inorganic agent again, quickly stir, formed in waiting to stir
After suspension floccule body liquid limpid with sewage separates substantially, at low rate mixing, phased out stirring；
Five, by quiet for the sewage in step 4 heavy in sedimentation tank, then by sludge pump by bottom sedimentation tank
Mud delivers to filter press；Then the upper clear liquid in sedimentation tank is sequentially introduced into anaerobic pond, Aerobic Pond and
Anoxic pond；
Six, acting on the warp in the environment of anaerobism of the organic nitrogen in water body by microbial bacteria in anaerobic pond
Anaerobic reaction is converted into ammonia nitrogen；Through nitrification under the effect of ammonia nitrogen Nitrosomas in Aerobic Pond and Nitromonas
Reaction is converted into nitrate nitrogen, after in anoxic pond in the environment of anoxia, occur anti-under the effect of denitrifying bacterium
Nitrate-nitrogen reduction is become N2 to discharge water body by nitration reaction, thus reaches the purpose of denitrogenation；
Seven, the water body after step 6 processes enters in defecator by water inlet pipe, at defecator
Pass sequentially through filter course, adsorption layer, packing layer and Metal uptake layer the most from top to bottom, by filter course
Quartz sand filter media and ceramic filter material, adsorption layer in resin and spiral high-efficiency in activated carbon, packing layer
Graininess in biologic packing material and Metal uptake layer is also saturated with active zeolite and the biology of biologic water cleaner
Macromolecule material particle, processes water body further；
Eight, the drain pipe through the top of defecator of the water body after processing further enters into Tiny ecosystem mistake
Filter tank, then by the ecological matrix in Tiny ecosystem filtering ponds and water plant, water body is carried out restoration of the ecosystem；
Nine, the purification Water circulation that will obtain.
Preferably, in step 5, the water seepage after filter press processes is transported to described via return duct
Cesspool processes again, is cleared by removing factory by mud collected in sedimentation tank.
In step 6, by the phosphate absorbed in water body a large amount of under the effect of microbial bacteria in Aerobic Pond,
That synthesize self and nucleic acid and ATP, inverse Concentraton gradient excessive consumption phosphorus synthesis energy storage is in internal, at Aerobic Pond
Power aerator is inside set during sewage disposal, carries out aeration, be not only farthest oxygen supplement,
And the current promoted spray to top layer or the water surface from bottom.Supply by stirring aeration on water body top layer or bottom
Oxygen, promotes current to circulate continuously, makes to be sufficiently mixed contact, fully between Organic substance, microorganism and oxygen
Reaction.
Implement the embodiment of the present invention, have the advantages that the dirt to city inland river road using the present invention
Water treatment system and technique, pass sequentially through cesspool, interception net, adjustment pond, coagulating basin, sedimentation tank, detest
Oxygen pond, Aerobic Pond, anoxic pond and defecator, inhaled by the bulky grain biozeolite in rustless steel steel wire
Attached, degraded sewage in poisonous and harmful heavy metallic and high sewage chemical material, caused by biogenic emission bag
The microorganism enrichment of local, accelerates the decomposition of pollutant.In coagulating basin, add Combined sewage inorganic agent join
Close ferrous sulfate agent and there is when pH value is 9-11 the strongest cohesiveness, absorption affinity and seizure heavy metal ion
Ability, by seizing the electric charge of various colloids existed with metal hydroxides, fine by turbid solution
Ion condensation becomes fine and close, stable graininess Alumen, effectively goes removing heavy metals and deodorization, increases water quality clear
Clear degree, then by sludge pump, the mud bottom sedimentation tank is delivered to filter press, the mud collected is entrusted
Qualified removing factory clears.Acting on the organic nitrogen in water body in anaerobism by microbial bacteria in anaerobic pond
Environment in be converted into ammonia nitrogen through anaerobic reaction；Ammonia nitrogen Nitrosomas in Aerobic Pond and the effect of Nitromonas
Lower be converted into nitrate nitrogen through nitration reaction, after in anoxic pond in the environment of anoxia, at the work of denitrifying bacterium
Become N2 to discharge water body nitrate-nitrogen reduction with lower generation anti-nitration reaction, thus reach the purpose of denitrogenation, logical
Cross anaerobic pond, acted on by the hydrolysis acidification of anaerobic zone etc., improve the biodegradability of waste water, then pass through
Aerobic Pond, is further decomposed by aerobic microbiological and is absorbed, simultaneously by micro-life in Aerobic Pond
The effect of thing bacterium is issued to the purpose of dephosphorization.The present invention passes through filtering layer, the adsorption layer in defecator again, fills out
Water body is processed by the bed of material and Metal uptake layer further, and arranges immersion in Tiny ecosystem filtering ponds
The ecological matrix of bacterium solution and water plant, carry out in-situ immobilization and lifting to processing system, process be significantly increased
Self-purification function, thus reach pollutant in situ transfer, the purpose that water quality promotes, the present invention to city inland river
The sewage disposal system in road and process-monitor analyzing water body situation, ecological regulation and control, by exogenous pollution control,
The method that contaminating endogenous controls and microecosystem reparation combines, can effectively solve the problem that city inland river road
Pollution problem, obtains preferable pollution treatment effect.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing of embodiment will be made letter below
Singly introduce.
Fig. 1 is the structural representation of the sewage disposal system to city inland river road of the preferred embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
As it is shown in figure 1, the sewage disposal system to city inland river road of the present invention include cesspool 10, for
In filter sewage float and chemical substance intercept net 20, for adjust sewage PH value adjustment pond 30,
Add Combined sewage inorganic agent and ferrous sulfate agent and sewage to carry out the coagulating basin 40 of coagulation, carry out solid-liquid and divide
From sedimentation tank 50, described sewage disposal system also includes the anaerobic pond 60 being connected with described sedimentation tank 50,
The anoxic pond 80 that the Aerobic Pond 70 being connected with described anaerobic pond 60 is connected with described Aerobic Pond 70, with described
The defecator 90 that anoxic pond 80 connects, the water in described anoxic pond 80 filters dress by water inlet pipe with described
Put the bottom connection of 90.
Wherein, the pH value of sewage is adjusted to 9-11, described Combined sewage inorganic agent in adjusting pond 30
Including magnesium oxide, aluminum sulfate, sodium carbonate and polyacrylamide, Combined sewage inorganic agent coordinates ferrous sulfate
Agent has the strongest cohesiveness, absorption affinity and seizure heavy metal ion ability when pH value is 9-11, passes through
Seize the electric charge of the various colloids existed with metal hydroxides, the fine ion condensation in turbid solution is become
For fine and close, stable graininess Alumen, owing to the Alumen produced exists with graininess, it is difficult to float, and heavy
Reduction of speed degree is fast, and sedimentation velocity relatively conventional process agent can improve 2-4 times, and due to slaine, stabilizer absorption
Complexing, has preferable stability, effectively goes removing heavy metals and deodorization, clarity of increasing water quality.
It addition, the interception net 20 of the present invention uses rustless steel steel wire, it is filled with big in described rustless steel steel wire
Granular biological zeolite, the poisonous and harmful heavy metallic adsorb, degraded in sewage and high sewage chemical material, position
On the rustless steel steel wire of side, described adjustment pond 30, tying-up has biogenic emission bag, causes office by biogenic emission
The microorganism enrichment in portion, accelerates the decomposition of pollutant.
Through coagulating basin 40 and the effect of sedimentation tank 50, in sedimentation tank 50, form mud, pass through sedimentation tank
Mud is delivered to filter press 51 by the sludge pump bottom 50, further, through described filter press 51
Water seepage after process is transported to described cesspool 10 via return duct and processes.
Typically, nitrogen is the most several with organic nitrogen, ammonia nitrogen, nitrate nitrogen, nitrite nitrogen etc. in the middle of water body
Form exists, and can inversion of phases, the dissolving in the middle of water body mutually by biological chemistry action in the middle of water body
Oxygen is sufficient, and in the case of water body self-purification ability is preferable, mostly nitrogen is presented in nitrate nitrogen and organic nitrogen.
In the present invention, in anaerobic pond 60, it is added with microbial bacteria, in Aerobic Pond 70, adds Nitrosomas and nitric acid
Bacterium, is added with denitrifying bacterium in anoxic pond 80, by the effect of microbial bacteria water body in anaerobic pond 60
In organic nitrogen in the environment of anaerobism, be converted into ammonia nitrogen through anaerobic reaction；Ammonia nitrogen nitrous in Aerobic Pond 70
Acid bacterium and Nitromonas effect under be converted into nitrate nitrogen through nitration reaction, after in anoxic pond 80 ring of anoxia
In border, occur anti-nitration reaction that nitrate-nitrogen reduction is become N under the effect of denitrifying bacterium2Discharge water body, from
And reach the purpose of denitrogenation.
It addition, the phosphorus typically existence form in water body is phosphate.Microbial bacterial agent is under conditions of aerobic
Phosphate can not only be absorbed in a large number, that synthesize self and nucleic acid and ATP, again can inverse Concentraton gradient excessive consumption
Phosphorus synthesis energy storage is in internal, then assists the absorption of the iris action with ecological matrix, water plant and aquatic animal
Effect, reaches the purpose of dephosphorization.The major way of dephosphorization has:
Free state P elements in bed mud top layer and water body forms phosphatoptosis by the effect of microbial bacterial agent
To river bed, it it is the ingredient of bed mud mineralized layer.
Part P elements in bed mud top layer and water body can also enter in microbial body by microorganism food chain,
Realize transfer and the abatement of phosphorus.
The research and development of microbial bacterial agent at present have obtained the hugest progress, for microorganism ecological remediation technology
Microbial inoculum possessed effective, advantages such as the suitability is strong, and resistance to soiling is high and degradation efficiency is strong, and must be through
Cross security credential just can use.The microorganism thrown in can not only improve water quality, moreover it is possible to solves bed mud problem,
Can effectively remove the organic matter in river water body and bed mud.The microorganism formulation added can play pioneer population
Effect, indigenous microorganism can be driven jointly to improve river and to gush microflora, improve its bio-diversity, build
Vertical optimum ecological balance, improves self-purification capacity, fundamentally solves river and gushes black smelly pollution problem.
In the sewage disposal system in the city inland river road of invention, in Aerobic Pond 70, it is provided with microbial bacterial agent,
It is issued to the purpose of dephosphorization by the effect of microbial bacteria in Aerobic Pond 70.
In the Aerobic Pond 70 of the present invention, being provided with power aerator in Aerobic Pond 70, described power exposes
Device of air is submersible type plugflow aeration machine, and when submersible type plugflow aeration machine runs in water, its basic function is not
It is only farthest oxygen supplement, and the current promoted spray to top layer or the water surface from bottom.By at water body
Top layer or bottom stirring aeration oxygen supply, promote current circulate continuously, make Organic substance, microorganism and oxygen it
Between be sufficiently mixed contact, fully react.
Filter course, adsorption layer, packing layer and a huge sum of money it is sequentially provided with from top to bottom in the defecator 90 of the present invention
Belonging to absorbed layer, the top of described defecator is connected by drain pipe Tiny ecosystem filtering ponds 91, described micro-
Ecological matrix and water plant it is provided with in eco-filtration pond 91；Quartz sand filter media and pottery it is provided with in described filter course
Filtrate, is provided with resin and activated carbon in described adsorption layer, be provided with spiral high-efficiency biology and fill out in described packing layer
Material, is provided with graininess and is saturated with the active zeolite of biologic water cleaner and biological high score in described Metal uptake layer
Sub-material granule, is processed water body further by defecator 90.
The ecological matrix having soaked bacterium solution used in the inventive solutions is not general artificial carrier,
A kind of high-tech biologic packing material having patent protection efficiently, it have huge biological contact surface long-pending,
Fine three-dimensional surface structure and suitable surface adsorption electric charge, can develop that Biomass is huge, species abundant,
The microbiologic population that activity is high, and by the pollutant in the metabolism efficient degradation water of microorganism.With
Conventional filler is compared, and this ecological matrix suitability is strong, is used in percolate and administers and can work very well,
It is used in during black-odor river is administered the most masterly.The ecological matrix having soaked bacterium solution can provide up to
The biological attachment surface area of 245m2/m2, provides huge for the growth of the microorganism such as mushroom, algae in water, breeding
Big space, makes the Biomass of microbiologic population and bio-diversity maximize development, thus for realizing efficiently
Microbiologic population provides basic condition, it is achieved the fast decoupled to pollutant, and accelerates the life to polluted-water
State is repaired, is rebuild.Ecological matrix provides carrier for growth of microorganism, makes biological flora in river course, is soaking
The ecological matrix surface of bacterium solution forms biomembrane through biological enrichment naturally, is taken the photograph by the vital movement of microorganism
Take the pollutant in sewage, as alimentation and assimilated, the polluter decomposing, removing in water,
So that polluted-water is repaired.After using our efficient ecological base technology in practice, ecological base table
When face biomembrane grows into certain thickness, form micro-A/O environment on ecological matrix surface, for nitrification, denitrification
Suitable condition is created in bacterial community breeding, removes ammonia nitrogen and denitrification effect is especially good.
The present invention uses ecological matrix also to have while effectively repairing polluted-water in Tiny ecosystem filtering ponds 91
Following features: the function such as shipping and flood discharge of not affecting river；Do not destroy river and gush (water body) ecosystem；
It is particularly suitable for inland river, area, Pearl River Delta and gushes flow condition complicated and changeable；Specific surface area is big, and voidage is high；Raw
Thing stability is strong, not dissolution, release harmful substance.In suitable environment, (such as rivers and lakes water body is repaiied
Multiple, domestic sewage treatment etc.), on efficient ecological base, inorganic nitrogen multiple in water can be utilized by the algae of growth,
In photosynthetic process and assimilation process subsequently, gradually forming various itrogenous organic substance, algae again can be the end of by
Dwell animal and Fish eat, thus reach to remove efficiently the purpose of total nitrogen.
More specifically, the water plant used in Tiny ecosystem filtering ponds 91 is Herba Lythri Salicariae, wilson iris, again
One or more in power flower and Canna generalis Bailey, give full play to the self-purification capacity of water body, with river training water quality:
1) adsorb, filter, precipitation: aquatic plants growth is vigorous, well developed root system, contacts shape with water body
Become large-area filter course.During sluggish flow, particle is blocked and settles, and enters on its surface again simultaneously
Row ion exchanges, integrate, adsorb and precipitation etc., and insoluble colloid is adsorbed by root system, the zoogloea handle of coagulation
Suspended organic matter and metabolism product settle down.
2) Absorption: water plant in process of production by absorb, utilize the N in a large amount of water, P,
The nutrient substance such as Organic substance, reach the effect of purifying water body.Not only by root absorption deposit
Nutritive salt, but also the nutritive salt in water can be absorbed by stem and leaf, water plant can also pass through surrounding
Exchange adsorption heavy metal.The water plant being enriched a large amount of pollutant is removed by gathering in, turning the modes such as cultivation,
Thus reach the effect of purifying water body.
3) assosting effect of microorganism: water plant is made by plant branch and the gas transmission of root system, release
With, the oxygen in the oxygen produced by photosynthesis or air is delivered to root system, and a part passes through root system to root district
Release, forms the microenvironment of oxidation state around, strengthens growth and the breeding of root district aerobic microbiological, from
And promote organic decomposition, contribute to the growth of nitrifier and denitrifying bacterium, improve the clearance of nitrogen.
Thus reach the effect of purifying water body.
1, wilson iris: Iridaceae Jris, perennial very water type aquatic herbaceous plant.Plant is tall and big, has
Fertile thick root stock.Phyllopodium is raw, sword shape, long 60-120cm, and middle veinclearing shows, and has horizontal netted veins.Florescence
The 5-6 month, scape is higher than leaf, brightly yellowish color, scape 8-12cm.In really phase 6～August, capsule is elongated, inside has kind
Subnumber grain.Seed brown, has corner angle.Leaf is emerald green, sword shape, and pattern is bright-coloured, and flower state is beautiful, the most considerable
The most considerable flower of leaf, is the tender sons of the flowering marsh plants in water feature design, and ornamental value is high.To COD in water body,
TN, TP all have preferable removal effect.
2, power is spent again: Marantaceae Thalia belongs to, and perennial very pasture and water are originally.Leaf egg shape lanceolar, powder blue,
Edge purple, long 50cm, wide 25cm.Compound raceme, spends little, violet.Herb has white lead,
Anthocaulus may be up to more than 2m.Plant division method is used in breeding, and the spring was advisable to summer.It is suitable for flower garden wetland, pond
Or it is large-scale potted plant.TN, TP are had higher clearance.
3, Canna generalis Bailey: Cannaceae Canna generalis Bailey belongs to, perennial napiform root herbage flower.Plant height up to 100～150cm,
Rhizome is loose；Aerial stem of plant meat, not branch.Stem and leaf tool white lead, leaf alternate, roomy, long ellipticity drapes over one's shoulders pin
Shape.Oblong.Raceme is extracted out from stem top, and Hua Jing directly stretches up to 20cm, petal, has four pieces of lobes
Stamen.Pattern has milky white, cadmium yellow, orange, orange, pink, bright red, purplish red, secondary color speckle etc. more than 50
Individual kind.The florescence north 6～October (northern)；South is annual.There is higher enrichment to go decapacitation to N, P
Power.
4, Herba Lythri Salicariae: Lythraceae Lythrum, perennial humidogene draft.Stem is upright, up to about 1m,
Four prismatics or six prismatics, by white pubescence.Leaf is verticillate to life or 3, narrow lanceolar, and long 3.5～6.5cm,
Wide 8～15mm, tip is the most blunt or short point, base portion circle or heart-shaped, the most slightly embraces stem.Raceme top is raw；
Flower both sexes, are born in lobate bract axil for several bunches；Calyx tubular, long 6～8mm, 12 vertical ribs of outer tool,
Sliver 6, triangle, appendage is linear, is longer than calyx lobes, about 1.5～2mm；Petal 6, aubergine,
Oblong, base portion wedge shape；Stamen 12,6 length 6 are short；Ovary stockless, Room 2, style is cylindric, stigma
Head.Capsule is oval, is entirely wrapped in calyx, and time ripe, 2 lobes split；Seed is most, tiny.Florescence 7～8
Month.Herba Lythri Salicariae has preferable removal ability to BOD, TP.As shown in the table, embody each water plant
Ecological characteristic:
Water plant absorbs the P elements of the different valence state with absorption and also achieves phosphorus by superfluous cutting off of plant
Remove.Water plant passes through plant branch and the gas transmission of root system, release action, is produced by photosynthesis
Oxygen in raw oxygen or air is delivered to root system, and a part is discharged to root district by root system, formed around
The microenvironment of oxidation state, strengthens growth and the breeding of root district aerobic microbiological, thus promotes organic point
Solve, contribute to the growth of nitrifier and denitrifying bacterium.
Further, in river course, naturally occurring the microbial bacteria of abundant species, enormous amount, central contains
Substantial amounts of clear up river course organic pollution, promote river course purify useful dominant bacteria.Bed mud is gathered from river course,
And from by the analysis of the indigenous microorganism flora river bottom mud, detect, separate, screen, cultivate, from
In select various useful dominant bacteria.Technology is educated again again, it would be beneficial to the quantity enrichment of dominant bacteria increases by purification.
External microorganism, indigenous microorganism etc. are had by compound compatibility specified microorganisms, by microorganism directed expansion,
Amount reproduction on the spot, utilizes the indigenous advantage flora that indigenous microorganism separates, screening obtains to carry out taming, training
Support, produce and there is biological desilting microbial inoculum and the biological water purification microbial inoculum of powerful decomposing pollutant ability, efficiently take off
Nitrogen microbial inoculum, efficient polyP bacteria agent.
The present invention can also be by throwing in biological desilting microbial inoculum, biological water purification microbial inoculum, efficient denitrification microbial inoculum and height
Effect polyP bacteria agent has stronger precipitation adhesive ability, carrier itself and the microorganism anchored on carrier and is difficult to
Run off, though in the river of water flowing, river gush, lakes and marhshes, reservoir and the seabeach of flood tide ebb, the ground such as bay
Side, it is also possible to play good effect.Even if this product is in the deepest waters, bottom, the end also can be sunk to
Organic pollution in mud particularly mud scum is effectively decomposed, dissolve after, the ecosystem of polluted-water
Starting to obtain repair and reconstruction, hydrobiological food chain is the most gradually repaired, and arises that after tens days
Many aquatiles, reach the black effect such as smelly of water purification, oxygen supplement, elimination, water quality be improved significantly, typically
In the case of the organic pollution thrown in after 3 months in river bottom mud top layer of microbial inoculum be basically eliminated.
Correspondingly, a kind of sewage treatment process to city inland river road that the present invention proposes, specifically comprise the following steps that
One, sewage is incorporated in cesspool 10；
Two, sewage enters into adjustment pond by intercepting net 20, intercepts net 20 and blocks the foreign material in sewage
Cut, it addition, bulky grain biozeolite in rustless steel steel wire when sewage is by intercepting net 20, big
Grain biozeolite forms the poisonous and harmful heavy metallic in living filter zones absorption, degraded sewage and high sewage
Learn material；Sewage, through the biogenic emission bag of rustless steel steel wire side, causes local by biogenic emission bag
Microorganism enrichment, accelerate pollutant decomposition；
Three, will go into and adjust the pH value of sewage in pond 30 and be adjusted to 9-11；
Four, in coagulation 40 pond, first add ferrous sulfate agent, stirring, allow ferrous sulfate agent with through step 3
After sewage mixing；In coagulating basin 40, add Combined sewage inorganic agent again, quickly stir, in waiting to stir
After formation suspension floccule body liquid limpid with sewage separates substantially, at low rate mixing, phased out stirring；
Five, by quiet for the sewage in step 4 heavy in sedimentation tank 50, then by sludge pump by bottom sedimentation tank
Mud deliver to filter press 51；Then the upper clear liquid in sedimentation tank 50 is sequentially introduced into anaerobic pond 60,
Aerobic Pond 70 and anoxic pond 80；
Six, acting on the organic nitrogen in water body in the environment of anaerobism by microbial bacteria in anaerobic pond 60
It is converted into ammonia nitrogen through anaerobic reaction；Pass through under the effect of ammonia nitrogen Nitrosomas in Aerobic Pond 70 and Nitromonas
Nitration reaction is converted into nitrate nitrogen, after in anoxic pond 80 in the environment of anoxia, under the effect of denitrifying bacterium
Occur anti-nitration reaction that nitrate-nitrogen reduction becomes N2 discharge water body, thus reach the purpose of denitrogenation；
Seven, the water body after step 6 processes enters in defecator 90 by water inlet pipe, is filtering dress
Filter course, adsorption layer, packing layer and Metal uptake layer is passed sequentially through from top to bottom, by filtering in putting 90
Spiral in quartz sand filter media in Ceng and the resin in ceramic filter material, adsorption layer and activated carbon, packing layer
Graininess in high-performance bio filler and Metal uptake layer and be saturated with biologic water cleaner active zeolite and
Bioabsorbable polymer material granule, processes water body further；
Eight, the drain pipe through the top of defecator 90 of the water body after processing further enters into Tiny ecosystem
Filtering ponds 91, then by the ecological matrix in Tiny ecosystem filtering ponds 91 and water plant, water body is carried out restoration of the ecosystem；
Nine, the purification Water circulation that will obtain.
Preferably, in step 5, the water seepage after filter press 51 processes is transported to institute via return duct
State cesspool 10 to process again, mud collected in sedimentation tank 50 is cleared by removing factory.
Use the sewage disposal system to city inland river road of the present invention and technique, pass sequentially through cesspool 10,
Intercept net 20, adjust pond 30, coagulating basin 40, sedimentation tank 50, anaerobic pond 60, Aerobic Pond 70, anoxic pond
80 and defecator 90, adsorbed by the bulky grain biozeolite in rustless steel steel wire, in degraded sewage
Poisonous and harmful heavy metallic and high sewage chemical material, cause the Enrichment by Microorganisms of local by biogenic emission
Collection, accelerates the decomposition of pollutant.In coagulating basin 40, add Combined sewage inorganic agent coordinate ferrous sulfate agent
There is the strongest cohesiveness, absorption affinity and seizure heavy metal ion ability when pH value is 9-11, by taking by force
Remove the electric charge of the various colloids existed with metal hydroxides, the fine ion condensation in turbid solution is become
Fine and close, stable graininess Alumen, effectively goes removing heavy metals and deodorization, clarity of increasing water quality, then passes through
Mud bottom sedimentation tank 50 is delivered to filter press 51 by sludge pump, entrusts qualified clear by the mud collected
Except factory clears.In anaerobic pond 60 by the effect of microbial bacteria the organic nitrogen in water body at the environment of anaerobism
Middle it is converted into ammonia nitrogen through anaerobic reaction；Warp under the effect of ammonia nitrogen Nitrosomas in Aerobic Pond 70 and Nitromonas
Cross nitration reaction and be converted into nitrate nitrogen, after in anoxic pond 80 in the environment of anoxia, in the effect of denitrifying bacterium
Nitrate-nitrogen reduction is become N by lower generation anti-nitration reaction2Discharge water body, thus reach the purpose of denitrogenation, pass through
Anaerobic pond, is acted on by the hydrolysis acidification of anaerobic zone etc., improves the biodegradability of waste water, then passes through
Oxygen pond, is further decomposed by aerobic microbiological and is absorbed, simultaneously by micro-life in Aerobic Pond 70
The effect of thing bacterium is issued to the purpose of dephosphorization.The present invention again by the filtering layer in defecator 90, adsorption layer,
Water body is processed by packing layer and Metal uptake layer further, and arranges life in Tiny ecosystem filtering ponds 91
State base and water plant, carry out in-situ immobilization and lifting to processing system, and the self-cleaning of processing system is significantly increased
Function, thus reach pollutant in situ transfer, the purpose that water quality promotes, the present invention to city inland river road
Sewage disposal system and process-monitor analyzing water body situation, ecological regulation and control, by exogenous pollution control, interior
The method that source contact scar controls and microecosystem reparation combines, can effectively solve the problem that the dirt in city inland river road
Dye problem, obtains preferable pollution treatment effect.
Use the sewage disposal system to city inland river road of the present invention and technique, can reach following standard:
The restoration of the ecosystem phase: water quality leading indicator reaches: the V of water environment quality standard (GB3838-2002)
Class water quality or V class water quality requirements above, pH value 6-9, COD≤40mg/L, dissolved oxygen >=2mg/L,
BOD≤10mg/L, ammonia nitrogen≤2.0mg/L, total phosphorus (in terms of P)≤0.4mg/L on the five.
2) organoleptic indicator reaches: eliminates black and odorous water, progressively recovers the natural ecological environment that river is gushed.
2, safeguard the operation phase:
1) water quality leading indicator reaches: water environment quality standard (GB3838-2002) reach V class water quality
Or V class water quality requirements above, pH value 6-9, COD≤40mg/L, dissolved oxygen >=2mg/L, life on the five
Thing oxygen demand≤10mg/L, ammonia nitrogen≤2.0mg/L, total phosphorus (in terms of P)≤0.4mg/L.
Above disclosed only presently preferred embodiments of the present invention, can not limit the present invention with this certainly
Interest field, the equivalent variations therefore made according to the claims in the present invention, still belong to the model that the present invention is contained
Enclose.
Claims (10)
1. the sewage disposal system to city inland river road, including cesspool, suspends in filter sewage
Thing and chemical substance intercept net, for adjusting the adjustment pond of sewage PH value, adding Combined sewage inorganic agent
Carry out the coagulating basin of coagulation with ferrous sulfate agent and sewage, carry out the sedimentation tank of solid-liquid separation, it is characterised in that:
Described sewage disposal system also includes the anaerobic pond being connected with described sedimentation tank, and be connected with described anaerobic pond is good
The anoxic pond that oxygen pond is connected with described Aerobic Pond, the defecator being connected with described anoxic pond, described anoxia
Water in pond is connected with the bottom of described defecator by water inlet pipe；
In adjusting pond, the pH value of sewage is adjusted to 9-11；Described Combined sewage inorganic agent include magnesium oxide,
Aluminum sulfate, sodium carbonate and polyacrylamide；
The described net that intercepts uses rustless steel steel wire, is filled with bulky grain biozeolite in described rustless steel steel wire,
It is positioned at tying-up on the rustless steel steel wire of side, described adjustment pond and has biogenic emission bag；
It is added with microbial bacteria in described anaerobic pond, in described Aerobic Pond, adds Nitrosomas and Nitromonas, institute
It is added with denitrifying bacterium in stating anoxic pond；
Filter course, adsorption layer, packing layer and Metal uptake it is sequentially provided with from top to bottom in described defecator
Layer, the top of described defecator is connected by drain pipe Tiny ecosystem filtering ponds, and described Tiny ecosystem filters
Ecological matrix and the water plant having soaked bacterium solution it is provided with in pond；Quartz sand filter media and pottery it is provided with in described filter course
Ceramic filter material, is provided with resin and activated carbon in described adsorption layer, be provided with spiral high-efficiency biological in described packing layer
Filler, is provided with graininess and is saturated with active zeolite and the biology height of biologic water cleaner in described Metal uptake layer
Molecular material granule.
2. the sewage disposal system to city inland river road as claimed in claim 1, it is characterised in that: described
Water plant is one or more in Herba Lythri Salicariae, wilson iris, again power flower and Canna generalis Bailey.
3. the sewage disposal system to city inland river road as claimed in claim 1, it is characterised in that: described
Being configured with a sludge pump bottom sedimentation tank, described sludge pump is connected with filter press, in described sedimentation tank
Mud enters described filter press after sludge pump pressurizes.
4. the sewage disposal system to city inland river road as described in any one of claims 1 to 3, its feature
Being: be provided with power aerator in described Aerobic Pond, described power aerator is that submersible type plug-flow exposes
Mechanism of qi.
5. the sewage disposal system to city inland river road as claimed in claim 3, it is characterised in that: through institute
State the water seepage after filter press processes to be transported to described cesspool via return duct and process again.
6. the sewage disposal system to city inland river road as claimed in claim 1, it is characterised in that: described
Microbial bacterial agent it is provided with in Aerobic Pond.
7. the sewage treatment process to city inland river road, it is characterised in that comprise the following steps:
One, sewage is incorporated in cesspool；
Two, sewage enters into adjustment pond by intercepting net, intercepts net and intercepts the foreign material in sewage, separately
Outward, the bulky grain biozeolite in rustless steel steel wire when sewage is netted by intercepting, bulky grain biology boils
Stone forms the poisonous and harmful heavy metallic in living filter zones absorption, degraded sewage and high sewage chemical material；
Sewage, through the biogenic emission bag of rustless steel steel wire side, causes the microorganism of local by biogenic emission bag
Enrichment, accelerates the decomposition of pollutant；
Three, will go into and adjust the pH value of sewage in pond and be adjusted to 9-11；
Four, in coagulating basin, first add ferrous sulfate agent, stirring, allow ferrous sulfate agent with after step 3
Sewage mixing；In coagulating basin, add Combined sewage inorganic agent again, quickly stir, formed in waiting to stir
After suspension floccule body liquid limpid with sewage separates substantially, at low rate mixing, phased out stirring；
Five, by quiet for the sewage in step 4 heavy in sedimentation tank, then by sludge pump by bottom sedimentation tank
Mud delivers to filter press；Then the upper clear liquid in sedimentation tank is sequentially introduced into anaerobic pond, Aerobic Pond and
Anoxic pond；
Six, acting on the warp in the environment of anaerobism of the organic nitrogen in water body by microbial bacteria in anaerobic pond
Anaerobic reaction is converted into ammonia nitrogen；Through nitrification under the effect of ammonia nitrogen Nitrosomas in Aerobic Pond and Nitromonas
Reaction is converted into nitrate nitrogen, after in anoxic pond in the environment of anoxia, occur anti-under the effect of denitrifying bacterium
Nitrate-nitrogen reduction is become N2 to discharge water body by nitration reaction, thus reaches the purpose of denitrogenation；
Seven, the water body after step 6 processes enters in defecator by water inlet pipe, at defecator
Pass sequentially through filter course, adsorption layer, packing layer and Metal uptake layer the most from top to bottom, by filter course
Quartz sand filter media and ceramic filter material, adsorption layer in resin and spiral high-efficiency in activated carbon, packing layer
Graininess in biologic packing material and Metal uptake layer is also saturated with active zeolite and the biology of biologic water cleaner
Macromolecule material particle, processes water body further；
Eight, the drain pipe through the top of defecator of the water body after processing further enters into Tiny ecosystem mistake
Filter tank, then by the ecological matrix having soaked bacterium solution in Tiny ecosystem filtering ponds and water plant, water body is given birth to
State is repaired；
Nine, the purification Water circulation that will obtain.
8. the sewage treatment process to city inland river road as claimed in claim 7, it is characterised in that: in step
In rapid five, the water seepage after filter press processes is transported to described cesspool via return duct and processes,
Mud collected in sedimentation tank is cleared by removing factory.
9. the sewage treatment process to city inland river road as claimed in claim 7, it is characterised in that: in step
In rapid six, by the phosphate absorbed in water body a large amount of under the effect of microbial bacteria in Aerobic Pond, synthesis is certainly
Body and nucleic acid and ATP, inverse Concentraton gradient excessive consumption phosphorus synthesis energy storage is in internal.
10. the sewage treatment process to city inland river road as claimed in claim 7, it is characterised in that:
In step 6, power aerator is set in Aerobic Pond during sewage disposal, carries out aeration.
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