CN109879528A - Processing method and system of the domestic sewage in rural areas from driving landscape ecological - Google Patents
Processing method and system of the domestic sewage in rural areas from driving landscape ecological Download PDFInfo
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- CN109879528A CN109879528A CN201910123554.3A CN201910123554A CN109879528A CN 109879528 A CN109879528 A CN 109879528A CN 201910123554 A CN201910123554 A CN 201910123554A CN 109879528 A CN109879528 A CN 109879528A
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Abstract
The present invention provides the processing method and system of a kind of oneself driving landscape ecological of domestic sewage in rural areas, and system includes automatic control system, and automatic control system is electrically connected with solar power supply apparatus；Sewage detection device, is electrically connected with automatic control system；Sewage-treatment plant, including collecting-tank, biochemical conditioning tank, A/O biochemistry pool, with nitrated in position denitrification filter bed, discharge pond and frequency-variable controller；Frequency-variable controller is electrically connected with automatic control system；Chemicals dosing plant is electrically connected with automatic control system.Method and system of the invention greatly shortens residence time of domestic sewage in rural areas during biochemical treatment, solves the problems, such as that rural domestic sewage treatment hardly possible, stable effluent quality are up to standard, later maintenance application fee is low, occupied area is small, improves operational efficiency, reduces cost；Landscape plant is loaded on filter bed simultaneously, nutriment in waste water is not only can absorb, also agrees with rural environments landscape, and ordorless odor dispersion, meet beautiful rural construction requirements.
Description
Technical field
The present invention relates to field of environment engineering technology, it particularly relates to which a kind of domestic sewage in rural areas is raw from driving landscape
The processing method and system of state.
Background technique
Cut-off up to the present, data show China live 200,000,000 peasant household, nearly 800,000,000 people.Since the eighties in last century
Show so far, Rural Water Pollution predicament delay for many years, there is the situation to grow in intensity.Country sewage mainly has following spy
Point: 1. relative distribution, water are smaller.General rural area peasant household inhabitation is more dispersed, and single household number is relatively smaller, the sanitary sewage of generation
Amount is also smaller, and the concentration of pollutant is relatively low in sanitary sewage.2. variation coefficient is big.The rule of life of villager is more consistent, dirty
Discharge amount morning of water, noon, than daytime, other periods are big the period in the evening, and the displacement at night is small, in some instances it may even be possible to stop
The case where, have the characteristics that amplitude of variation is big, discontinuous.3. collecting more difficult.Sanitary sewage discharge in rural area more divides
It dissipates, it is most of there is no drainage pipeline networks, it is big to collect difficulty.4. rural area Technological Economy weak foundation, the shortage of capital and professional skill
Art personnel, it is difficult to guarantee day-to-day operation and the maintenance of sewage treatment facility.These features of domestic sewage in rural areas, lead to its specification
Changing to administer is stranded difficult, and the whole nation only organizational system village sanitary sewage less than 10% is handled at present, and handling rate is low, it would be highly desirable to change
It is kind.
Country changes project vigorously supporting new rural village water, and the processing of country sewage has become China's comprehensive environmental improvement
Important component.The sewage treatment starting evening in China, development are fast, the characteristics of for different regions domestic sewage in rural areas, at present
The technique of use mainly has artificial swamp method, biochemical treatment process, MBR film etc..On sewage treatment process, artificial swamp construction at
The case where this is low, but treatment effect slow effect, takes up a large area, and longtime running will appear blocking；Biochemical Treatment is good, takes up an area
Area is small, but processing and late maintenance cost are higher；MBR film process standard is high, quick, but there is also need periodically to carry out film
It cleans and replaces, the problem that operation cost is high.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For above-mentioned technical problem in the related technology, the present invention proposes that a kind of domestic sewage in rural areas drives landscape ecological certainly
The processing method and system of change can be fast the problems such as solving current rural domestic sewage treatment hardly possible, slow effect, block for a long time
Fast efficiently starting and intensive treatment domestic sewage in rural areas, realize collaboration removal and the deep purifying of pollutant, in inexpensive condition
It is lower to obtain good treatment effect.
To realize the above-mentioned technical purpose, the technical scheme of the present invention is realized as follows:
On the one hand, the present invention provides the processing systems that a kind of domestic sewage in rural areas drives landscape ecological certainly, comprising:
The first end of automatic control system, the automatic control system is electrically connected with solar power supply apparatus；
Sewage detection device, the sewage detection device are electrically connected with the second end of the automatic control system；
Sewage-treatment plant, including be sequentially communicated collecting-tank, biochemical conditioning tank, A/O biochemistry pool, with nitrated in position denitrification
Filter bed, discharge pond and frequency-variable controller；
The first end of the frequency-variable controller is electrically connected with the third end of the automatic control system；
Chemicals dosing plant, the chemicals dosing plant are electrically connected with the 4th end of the automatic control system.
Further, the filler of the same nitrated in position denitrification filter bed includes the filler being made of GY-3 type filler matrix
Layer；Contain pseudo xanthomonas, Sphingomonas, Comamonas Cordycepps and Hyphomicrobium in the GY-3 type filler matrix
The microorganism of section.
Further, the solar power supply apparatus includes:
Solar controller, the first end of the solar controller are electrically connected with the automatic control system；
Solar panels, the solar panels are electrically connected with the second end of the solar controller；
Battery, the battery are electrically connected with the third end of the solar controller.
Further,
The second end of the frequency-variable controller is electrically connected with sludge reflux pump, Aeration fan and sewage pump respectively, and
The sewage pump is connected with the water distribution pipe network at the top of the same nitrated in position denitrification filter bed of the sewage disposal system, described
Aeration fan is connected with the gas distribution pipe network at the top of the same nitrated in position denitrification filter bed of the sewage disposal system.
Further, the GY-3 type filler matrix by 90~95 parts of primary filler matrix, is discarded according to parts by weight
After 5~10 parts of iron filings, 5~10 parts of adsorbent material mixing, stablize culture two days；The primary filler matrix is by by mineralising
It cultivates and is prepared in nitrobacteria culture medium after rubbish and haydite mixing；The mass ratio of the mineralized waste and haydite is 1:
(3~7).
Further, the chemicals dosing plant includes:
Dosing controller, the first end of the dosing controller are electrically connected with the automatic control system；
Dosing metering pump, the dosing metering pump are electrically connected with the second end of the dosing controller.
Further, the chemicals dosing plant is arranged above biochemical conditioning tank.
Further, the sewage detection device is provided with multiple groups, and sewage detection device described in every group includes a flow
Sensor, a fluid level controller and a PH measuring instrument；Wherein, the flow sensor and the fluid level controller are separately positioned on
The biochemical conditioning tank of sewage disposal system, in nitrated in position denitrification filter bed and dosing metering pump, the PH measuring instrument is respectively provided with
In biochemical conditioning tank, with the water outlet of nitrated in position denitrification filter bed and dosing metering pump；The institute of sewage detection device described in every group
Flow sensor, the fluid level controller and the PH measuring instrument is stated to be electrically connected with the second end of the automatic control system.
Further, grille well is provided in the collecting-tank.
Further, the water outlet of the A/O biochemistry pool is by water distributor water distribution uniformity in same nitrated in position denitrification filter bed
Upper layer.
Further, the water outlet of the same nitrated in position denitrification filter bed is connected to discharge pond all the way, and another way passes through sludge
Reflux pump is connected to A/O biochemistry pool water inlet.
Further,
A touch screen, the touch screen and the 5th of the automatic control system are additionally provided in the automatic control system
End electrical connection.
It is of the present invention to cultivate at room temperature, in air；By cultivating, it can be achieved that following effect: making microorganism
It is attached to adsorbent material surface, the effect of adsorbent material is not only absorption and support, and in terms of biodegradable pollutant
It plays a role.The primary filler matrix incubation is as follows: mineralized waste and haydite being mixed and are placed on nitrobacteria culture
90~150S of soaking and stirring in base is mixed；Every three days, fresh nitrobacteria culture medium is replaced to mix, it is complete after culture 10 days
At.By cultivating, it can be achieved that following effect: 1, in right amount improve bacterial abundance, 2, microorganism is made to be attached to haydite surface, haydite
Effect be not only to adsorb and support, and also play a role in terms of biodegradable pollutant.The nitrobacteria culture medium
It can be conventional nitrobacteria culture medium.Preferably, the nitrobacteria culture medium are as follows: by ammonium sulfate 100~
300mg, 20~40mg of sodium bicarbonate, 0.05~2g of dipotassium hydrogen phosphate, 100~300mg of magnesium sulfate, 0.1~2mg of copper sulphate, sulphur
Sour 0.3~3mg of zinc and water 1L mixing after, adjust pH be 7~8 to get.The adsorbent material is activated coke or semicoke or active powdered carbon
Or combinations thereof；The adsorbent material partial size is 1~4mm.Adsorbent material adsorbs the organic matter in rural domestic waste, and promotion has
The residence time of machine object is promoted conducive to the degradation efficiency of the organic matter in waste water；The aperture of adsorbent material is bigger, is conducive to micro- life
The attachment of object.Preferably, the porosity of the GY-3 type filler matrix is 25~35%, and bulk density is 0.9~1.5g/cm3。
Preferably, the porosity is 30%, and bulk density is 0.9~1.5g/cm3.Preferably, false in the GY-3 type filler matrix
Xanthomonas Pseudoxanthomonas (affiliated Xanthomonas campestris section Xanthomonadaceae), Sphingomonas
Sphingomonas (affiliated sphingolipid unit cell Cordycepps Sphingomonadaceae), Comamonas Cordycepps Comamonadaceae and
Hyphomicrobiaceae Hyphomicrobiaceae abundance is respectively 12.73~15.69%, 12.29~15.52%, 8.82~
11.03% and 6.40~9.95%.The mineralized waste is to have filled 5~40 years in landfill yard, and it is big to reject wherein particle
In the stone of 10mm, cullet, not degradable rubber plastic and wooden stick, stationery, the mineralising rubbish of moisture content 20~36%
Rubbish；The microorganism of pseudo xanthomonas in the mineralized waste, Sphingomonas, Comamonas Cordycepps and Hyphomicrobiaceae
Abundance is respectively 12.73%, 12.29%, 8.82% and 6.40%.The haydite can be arbitrary haydite, can also refer to grain
Diameter is in 6~13mm, bulk density 0.9-1.5g/cm3, porosity be 0.3~0.7 haydite.The haydite is in spheroid shape.
The haydite can be by by clay powder, silica, calcium oxide or zeolite etc., high temperature after mixing with foaming agent, pore creating material, water
What calcining was prepared.Preferably, the discarded iron filings through overpickling, wash, dry processing after it is i.e. usable；The discarded iron
The granularity of bits is 5~10mm.
Further, the same nitrated in position denitrification filter bed further include gas distribution pipe, water distributor, landscape plant layer, soil horizon,
Supporting layer and drainage pipeline；The water distributor is evenly distributed in landscape plant layer, and the soil horizon is arranged in landscape plant layer
Between GY-3 type filler matrix layer, side of the GY-3 type filler matrix layer far from soil horizon is arranged in the supporting layer；It is described
Drainage pipeline is arranged between the supporting layer；It is provided on the drainage pipeline and collects hole, the water distributor is provided with draining
Hole.Preferably, water distributor parallelly distribute on, internal diameter 20mm, the spacing between water distributor is 1m two-by-two.Drainage pipeline uniformly divides
Bottom of the cloth in supporting layer, parallelly distribute on, internal diameter 20cm, the spacing of drainpipe between any two are 1m.Pollutant is gone
Except effect increases with the increase of filter bed height, between 60-80mm, treatment effect reaches most GY-3 type filler matrix layer height
High level, 90% or more ammonia nitrogen removal frank, 85% or more COD removal rate, when filter bed height is more than 1m, treatment effect reaches stable
Value.
Preferably, the landscape plant is Manila grass, Taiwan green grass level ground, reed, cattail, rush, calamus, beauty
Any of several broadleaf plants, wild rice stem, cyperus alternifolius, thaliadeabata, vetiver, water hyacinth, Eichhornia crassipes, duckweed, hyacinth, lotus, water lily, is expired at wilson iris
Jiang Hong, water lettuce, eel grass, black algae, waterweed, watermifoil, nutgrass flatsedge, dryland willow, metasequoia, taxodium ascendens or combinations thereof etc., every square metre with
Kind amount is 10-15 grams.The soil horizon is 0.3-0.5 meters high, and soil is more smooth, without containing stone and other sundries in soil
Deng.Preferably, the supporting layer includes the minerals coagulation such as rubble, cobble or gravel；Minerals in the supporting layer are solidifying
The partial size for tying object (rubble, cobble or gravel etc.) is 1~5cm.Preferably, the GY-3 type filler matrix layer is with a thickness of filter bed height
0.4~0.9 times of degree.Preferably, 0.01~0.2 times with a thickness of filter bed height of the supporting layer.The GY-3 type filler
Hypothallus with a thickness of 0.6m~1.0m；The supporting layer with a thickness of 30~50mm.Preferably, sewage load and filter bed
Area ratio is 1:1-3:1, a height of 0.9-1.5m, and specific ratio need to be carried out according to the population and influent concentration that Sewage Disposal is related to
Selection.
On the other hand, the present invention provides a kind of processing method of oneself driving landscape ecological of domestic sewage in rural areas, including such as
Lower step:
1) it after by domestic sewage in rural areas by pretreatment, biochemical adjusting, is handled using A/O technique；
2) domestic sewage in rural areas handled through step 1) enters the same nitrated in position denitrification for being provided with GY-3 type filler matrix
It is handled in filter bed；
3) concentrated water of the domestic sewage in rural areas handled through step 2) drains into landfill yard or return step 1)；Purified water reaches
Mark discharge；
Contain pseudo xanthomonas, Sphingomonas, Comamonas Cordycepps and life in the GY-3 type filler matrix
The microorganism of silk germ section.
Further, the pretreatment, which refers to, carries out primary filter, removal grease and adsorption filtration for domestic sewage in rural areas.
This process is retained the part hard-degraded substance in domestic sewage in rural areas, grease is removed, bulky grain and microorganism
It is absorbed and filter, conducive to the processing of subsequent filter bed, avoids resulting in blockage to filter bed.
Further, in the A/O technical process, addition methanol maintains continuing for technique as nutriment.
Further, biochemical adjust is directed to by adding flocculant in pretreated domestic sewage in rural areas, removing
Phosphorus agent, staticly settles after the completion；The substance of precipitating is discharged through bottom of pond, and supernatant is transferred to downstream.The flocculant added
Journey is as follows: sequentially adding acid mineral high polymer coagulant, organic polymer coargulator, acid mineral high polymer coagulant has
The concentration that adds of machine high polymer coagulant is respectively 100-2000ppm, 1~5ppm.The acid mineral flocculating polymer medicament
For bodied ferric sulfate, aluminium polychloride or combinations thereof.The organic polymer flocculation medicament is cationic polyacrylamide or yin
Cationic polyacrylamide.The dephosphorization reagent is added according to situation phosphorous in waste water, is lightened the burden for subsequent filter.
Further, before the purified water discharge, detection COD situation is discharged if up to standard；If it does not meet the standards, then it returns
Returning step 1) takes A/O technique to handle again.If pH is too low in waste water, then adds liquid alkaline or milk of lime into waste water before discharge
PH6~9 are adjusted, high polymer coagulant, qualified discharge after flocculating setting are added.Preferably, the high polymer coagulant is poly- third
Acrylamide.The additive amount of the high polymer coagulant is 1~10ppm.
The GY-3 type filler matrix contains pseudo xanthomonas Pseudoxanthomonas (affiliated Xanthomonas campestris section
Xanthomonadaceae), Sphingomonas Sphingomonas (affiliated sphingolipid unit cell Cordycepps
Sphingomonadaceae), Comamonas Cordycepps Comamonadaceae is (for example, Comamonas terrigena, aquatic feathering list
Born of the same parents bacterium, Comamonas testosteroni etc.) and Hyphomicrobiaceae Hyphomicrobiaceae all have stronger ammoxidation function,
Processing for subsequent domestic sewage in rural areas provides good basis, directlys adopt mineralized waste and is cultivated with haydite, removes complexity from
It the step of cumbersome inoculation, culture functional microorganism, is simple and efficient.
Pseudo xanthomonas, Sphingomonas, Hyphomicrobiaceae can be organic in efficient degradation domestic sewage in rural areas
Matter purifies domestic sewage in rural areas；
Comamonas Cordycepps can effectively reduce organic matter in domestic sewage in rural areas, such as cellulose, ammonia and nitrogen organic etc.；
Comamonas Cordycepps and Hyphomicrobiaceae effectively can carry out deodorization etc. to domestic sewage in rural areas.
The same nitrated in position denitrification filter bed of setting provided by the invention, has effects that as follows:
(1) firstly, the filler matrix (referring to GY-3 type) during the cultivation process, is sufficiently mixed culture medium with material,
So that functional microorganism is attached to haydite surface rapidly in incubation, entered inside haydite by porous structure, and then is quickly rich
Collect functional microorganism, is conducive to subsequent efficient removal pollutant；Haydite in the filler matrix can increase the skeleton structure of matrix,
Filter bed is effectively avoided as sedimentation and clogging caused by compacting, to significantly improve the water resistant in the course of work during the work time
Power impact capacity；Microbe in filler matrix, which has, to be intercepted and suction-operated, and the porous bring of haydite compared with
Bigger serface is conducive to the aggregation of microorganism and the formation of biomembrane, and then promotes biomembrane to the katabolism function of pollutant
Energy；Filler matrix increases lower water speed, is not changing processing water since the presence of haydite increases the porosity of compounded mix
Under the premise of, occupied area can be reduced by increasing filter bed height.In addition, the mineralized waste itself in filler matrix have compared with
Bigger serface, loose structure, preferable hydraulic conductivity and permeance property can be conducive to the processing of sanitary sewage.
(2) it secondly, some pollutants in the discarded iron filings, active carbon and domestic sewage in rural areas react, can mention
The biodegradability of high sanitary sewage (domestic sewage in rural areas pH value is typically in the range of between 6.5-7.5)；With the corrosion oxygen of iron
Change enhancing, the part ammonia nitrogen in waste water is oxidized removal；Ferrous ion realized under microbial action it is dual to ammonia nitrogen, phosphorus etc. into
Row removal, reduces the COD and ammonia nitrogen of sanitary sewage；
(3) top layer plantation plant cold-resistant, it is drought-enduring, resistance to step on, heat-resisting well developed root system, be easy to grow.In addition to smooth beauty, also
The N and P that a part can be absorbed, remove stink.
Compared with the prior art, the advantages of the present invention are as follows:
A kind of domestic sewage in rural areas provided by the invention is from the processing method for driving landscape ecological, first by locating in advance
Reason, suspended matter, the larger particles in domestic sewage in rural areas are filtered, in case subsequent cause etc. to influence on biochemical treatment；It is logical
Cross addition flocculant and carry out precipitation process, can by organic matter, heavy metal ion of charged particle, degradation in sanitary sewage etc. into
Row is stablized, and flocculation sedimentation is formed, and provides condition for subsequent filtering；It, will be in sanitary sewage by same nitrated in position denitrification filter bed
Organic matter, ammonia nitrogen etc. carry out microbial degradation, some substances difficult to degrade and some large particulate matters are filtered in filter bed,
Make a large amount of Absorption Growths of microorganism simultaneously, and biochemical reaction can starting rapidly and efficiently, in the rural domestic waste that can degrade
Organic matter, ammonia nitrogen, moreover it is possible to which Adsorption foul smell can remove 80%~90% ammonia nitrogen substantially, quickly reduce COD, will live
Some free radicals in sewage are decomposed, and the coloration of sanitary sewage is reduced, and remove foul smell, are reached and are further lowered ammonia nitrogen, COD
And the effect of BOD, and then reach discharge standard.
The processing system of domestic sewage in rural areas provided by the invention based on GY-3 type filler matrix, firstly, processing system
It has the advantages that filter bed, filter bed have the advantages that filler matrix layer, hypothallus are located at middle part, is conducive to absorption organic matter, mentions
The time of microbial degradation is risen, in addition supporting layer can effectively support entire filter bed, conducive to the discharge of the good water of subsequent processing.Its
Secondary, in special filter bed filler matrix, the microorganism proportion processing domestic sewage in rural areas by science, it is dirty to be conducive to removal ammonia nitrogen
Dye reduces effluent color dilution, greatly promotes effluent quality.Third, soil horizon and landscape plant layer not only may filter that bulky grain is organic
Object, and be able to carry out oxidation ammonia nitrogen substances, moreover it is possible to adsorb microorganism, degradation of organic substances, and meanwhile it is seamless with rural environments landscape
Linking meets beautiful rural construction and requires.4th, the system of Driven by Solar Energy is grasped using microcomputer automatic control system
To make, does not need labor management and maintenance, low-carbon, energy-saving and environmental protection had both efficiently used the nature energy, and had also reduced operating cost,
Improve rural domestic sewage treatment degree.5th, top layer plantation plant cold-resistant, it is drought-enduring, resistance to step on, heat-resisting well developed root system, easily
In growth；In addition to smooth beauty, the N and P of a part can also be absorbed, stink is removed.
Processing method of the invention greatly shortens residence time of domestic sewage in rural areas during biochemical treatment, solves agriculture
The problem of village's sanitary sewage disposal hardly possible, stable effluent quality is up to standard, and later maintenance application fee is low, and occupied area is small, improves
Operational efficiency reduces cost；Load landscape plant on filter bed simultaneously, not only can absorb nutriment in waste water, also with rural ring
Border landscape agrees with, and ordorless odor dispersion, meets beautiful rural construction requirements.Rural area environmental protection professional people can be directed to
Just few problem realizes Sewage Disposal fully automatic operation, and without artificial special guard, and maintenance workload is seldom.
Processing system and processing method of the present invention start quick (the micro- life of function when handling domestic sewage in rural areas
The function of microorganism can be fast implemented after object enrichment), structure is simple, and convenient for construction, device requirement is few, and easy to operate, operation is steady
Fixed, maintenance cost is low, avoids secondary pollution, securely and reliably, effective to improve bacteria bed blocking and the high problem of operating cost, prolongs
The long running service life improves practicability simultaneously, and ammonia nitrogen removal frank reaches 90% or more, COD removal rate and reaches at 85% or more, BOD
Reason reaches 75% or more, COD aqueous concentration less than 20mg/L, and ammonia nitrogen aqueous concentration is less than 1mg/L.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the processing system schematic diagram of the preferred embodiment of the present invention.In Fig. 1, A: water inlet, B: water outlet.
Fig. 2 is the system connection schematic diagram of the processing system of the preferred embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
The pollution problem of domestic sewage in rural areas employed in following embodiment causes very to the ecological environment on periphery
Bad influence.
Embodiment 1
GY-3 type filler matrix, preparation process are as follows:
1) selection has filled 5~40 years in landfill yard, and reject wherein particle greater than the stone of 10mm, cullet, not
After the sundries such as degradable rubber plastic and wooden stick, stationery, the mineralized waste of moisture content 20~36%；The mineralized waste
Middle pseudo xanthomonas, Sphingomonas, Comamonas Cordycepps Comamonadaceae and Hyphomicrobiaceae
Hyphomicrobiaceae abundance is up to 12.73%, 12.29%, 8.82% and 6.40% respectively.
2) selection is in spheroid shape, and partial size is in 6~13mm, bulk density 0.9-1.5g/cm3, porosity be 0.3~
0.7 haydite；
3) in mass ratio it is 1:(3~7 by mineralized waste and haydite) it mixes to be placed on to impregnate in nitrobacteria culture medium and stir
150S is mixed, is mixed；Every three days, it replaces fresh nitrobacteria culture medium to mix, after culture 10 days, completes primary filler base
Matter；Pseudo xanthomonas, Sphingomonas, Comamonas Cordycepps and Hyphomicrobiaceae abundance in the primary filler matrix
Respectively 12.73~15.69%, 12.29~15.52%, 8.82~11.03% and 6.40~9.95%.The nitrobacteria
Culture medium are as follows: by ammonium sulfate 300mg, sodium bicarbonate 40mg, dipotassium hydrogen phosphate 0.05g, magnesium sulfate 100mg, copper sulphate 0.1mg,
Zinc sulfate 0.3mg and water 1L mixing after, adjust pH be 7~8 to get.
4) screening partial size is handled discarded iron filings with 13% dilute hydrochloric acid in the discarded iron filings of 5~10mm, removes iron
After rust, cleaning is dried stand-by.It is stand-by to screen adsorbent material of the partial size in 1~4mm.Adsorbent material can be activated coke.
5) according to parts by weight, by 90~95 parts of primary filler matrix, discarded 5~10 parts of iron filings, 5~10 parts of adsorbent material
Carry out it is uniformly mixed, culture stablize 2 days after, complete the preparation of filler matrix.
The porosity of gained filler matrix is 25~35%, and bulk density is 0.9~1.5g/cm3.In the filler matrix
Xanthomonas, sphingolipid Pseudomonas, Comamonas Cordycepps and Hyphomicrobiaceae abundance be respectively 12.73~15.69%,
12.29~15.52%, 8.82~11.03% and 6.40~9.95%.
Embodiment 2
A kind of same nitrated in position denitrification filter bed, the same nitrated in position denitrification filter bed successively include from top to bottom water distribution
Pipe, filler matrix layer, supporting layer and the drainage pipeline being made of filler matrix described in embodiment 1 further include being arranged in filter bed
The gas distribution pipe that inside is distributed indirectly；The drainage pipeline is arranged between the supporting layer；Receipts are provided on the drainage pipeline
Collect hole；The gas distribution pipe upper end is higher by same nitrated in position denitrification filter bed surface, and lower end passes through filler matrix layer and extends to support
Layer, the spacing between gas distribution pipe is 1m two-by-two；Water distributor is evenly distributed on same nitrated in position denitrification filter bed surface, parallelly distribute on,
Its internal diameter is 20mm, and the spacing between water distributor is 1m two-by-two；Drainage pipeline is evenly distributed on supporting layer bottom, parallelly distribute on,
Its internal diameter is 20cm, and the spacing of drainpipe between any two is 1m；The removal effect of pollutant is with same nitrated in position denitrification filter bed
The increase of height and increase, for filler matrix layer height between 60-80mm, treatment effect reaches peak, ammonia nitrogen removal frank 90%
More than, 85% or more COD removal rate, when same nitrated in position denitrification filter bed height is more than 1m, treatment effect reaches stationary value；
The supporting layer includes the minerals coagulation such as rubble, cobble or gravel；Minerals condensation in the supporting layer
The partial size of object (rubble, cobble or gravel etc.) is 1~5cm；
The filler matrix layer is with a thickness of 0.4~0.9 times of same nitrated in position denitrification filter bed height.Preferably, described to hold
Hold in the palm 0.01~0.2 times with a thickness of same nitrated in position denitrification filter bed height of layer.Above-mentioned same nitrated in position denitrification filter bed, preferably
, the height of the same nitrated in position denitrification filter bed is 0.9m~1.5m；The filler matrix layer with a thickness of 0.6m~1.0m；
The supporting layer with a thickness of 30~50mm.Preferably, sewage load and the area ratio with nitrated in position denitrification filter bed are 1:
1-3:1, a height of 0.9-1.5m, specific ratio need to be selected according to sewage treatment process and concentration of wastewater.
Embodiment 3
Processing system of the domestic sewage in rural areas from driving landscape ecological, comprising:
The first end of automatic control system 11, the automatic control system 11 is electrically connected with solar power supply apparatus；
Sewage detection device, the sewage detection device are electrically connected with the second end of the automatic control system 11；
Sewage-treatment plant, including be sequentially communicated collecting-tank 1, biochemical conditioning tank 2, A/O biochemistry pool 3, described in embodiment 2
Same nitrated in position denitrification filter bed 5, discharge pond 4 and frequency-variable controller 20；The first end of the frequency-variable controller 20 and it is described from
The third end of autocontrol system 11 is electrically connected；
Chemicals dosing plant, the chemicals dosing plant are electrically connected with the 4th end of the automatic control system 11.
The solar power supply apparatus includes:
Solar controller 12, the first end of the solar controller 12 are electrically connected with the automatic control system 11；
Solar panels 13, the solar panels 13 are electrically connected with the second end of the solar controller 12；
Battery 14, the battery 14 are electrically connected with the third end of the solar controller 12；It is supplied by solar energy
Electric installation power supply, the solar controller 12 convert electric energy for the solar energy that the solar energy electroplax obtains, are stored in institute
It states in battery 14；
The second end of the frequency-variable controller 20 is electric with sludge reflux pump 21, Aeration fan 22 and sewage pump 23 respectively
Connection, and the sewage pump 23 and the water distribution pipe network phase at the top of the same nitrated in position denitrification filter bed of the sewage disposal system
Connection, the Aeration fan 22 are connected with the gas distribution pipe network at the top of the same nitrated in position denitrification filter bed of the sewage disposal system
It is logical.
The chemicals dosing plant includes:
Dosing controller 15, the first end of the dosing controller 15 are electrically connected with the automatic control system 11；
Dosing metering pump 16, the dosing metering pump 16 are electrically connected with the second end of the dosing controller 15；
The chemicals dosing plant is arranged above biochemical conditioning tank 2；
The sewage detection device is provided with multiple groups, sewage detection device described in every group include a flow sensor 17,
One fluid level controller 18 and a PH measuring instrument 19；Wherein, the flow sensor 17 and the fluid level controller 18 are respectively set
In the biochemical conditioning tank 2 of sewage disposal system, in nitrated in position denitrification filter bed 5 and dosing metering pump 16, the PH measuring instrument
19 are arranged at biochemical conditioning tank 2, with the water outlet of nitrated in position denitrification filter bed 5 and dosing metering pump 16；Sewage described in every group
The flow sensor 17, the fluid level controller 18 and the PH measuring instrument 19 of detection device with the automatic control be
The second end of system is electrically connected.
Grille well is provided in the collecting-tank 1；
The water outlet of the A/O biochemistry pool 3 is by water distributor water distribution uniformity on the upper layer of same nitrated in position denitrification filter bed 5；
The water outlet of the same nitrated in position denitrification filter bed 5 is connected to discharge pond 4 all the way, and another way passes through sludge reflux pump 21
It is connected to 3 water inlet of A/O biochemistry pool；
It is additionally provided with a touch screen in the automatic control system 11, the of the touch screen and the automatic control system
The electrical connection of five ends.The automation control to the Driven by Solar Energy Intelligent sewage processing system is realized by the touch screen, entirely
Automatically it manages and maintains, low-carbon energy-saving environmental protection had both efficiently used the nature energy, and also reduced operating cost, improves operation and sets
Standby control refines level, improves various Wastewater Treatment Intelligent degree.
It is operated using programmable automatic control system, is not needed labor management and maintenance, low-carbon, energy-saving and environmental protection,
Both the nature energy had been efficiently used, operating cost is also reduced, has improved Wastewater Treatment Intelligent degree, can be widely applied to each
Kind sewage treatment environment meets national standard draining water quality requirement.The frequency control is controlled by the automatic control system
Device carries out automatically controlling the working condition of the sewage pump in the Aeration fan and collecting-tank on filter bed, realizes sewage
The automation of processing system, reduces operating cost, improves the stabilization of various Wastewater Treatment Intelligent degree and effluent quality
Property.
By the automatic control system by the flow sensor and the fluid level controller obtain biochemical conditioning tank,
Change with the fluid flow and liquid level of nitrated in position denitrification filter bed and dosing metering pump, and water quality is carried out by the PH measuring instrument
PH measurement and display；Dosing metering pump can also be controlled by the dosing controller to carry out adding water treatment agent.
Processing system of the invention, is powered by solar power supply apparatus, by automatic control system control to aeration wind
Machine, sewage pump, sludge reflux pump working condition carry out automatically controlling, reduce operating cost, improve life in the countryside
Sewage treatment degree is realized and carries out automatic processing to the sanitary sewage of collection, automatically manages and maintains, low-carbon energy-saving ring
It protects, had both efficiently used the nature energy, and also reduced operating cost, and improved rural domestic sewage treatment degree.
The specific course of work is as follows:
The pretreatment that domestic sewage in rural areas is subjected to primary filter, removes grease and adsorption filtration；
Flocculant, the biochemical adjusting of dephosphorization agent progress are added, is staticly settled after the completion；The substance of precipitating is discharged through bottom of pond, on
Clear liquid is transferred to downstream, is handled using A/O technique；
Domestic sewage in rural areas through A/O process enters the same nitrated in position denitrification filter for being provided with GY-3 type filler matrix
It is handled in bed；
The concentrated water of processed domestic sewage in rural areas, which drains into landfill yard or returns, takes A/O technique to handle again；After purification
Water qualified discharge；
In treatment process, solar panels obtain solar energy and are converted to electric energy, are stored in battery；
Storage battery power supply is to automatic control system；The frequency control in sewage-treatment plant is controlled by automatic control system
Device, frequency-variable controller controls sludge reflux pump, Aeration fan, sewage pump, so that domestic sewage in rural areas is flowed, in turn
It is handled in entire sewage-treatment plant；The sewage quality condition of the automatic detection processing of sewage detection device；Chemicals dosing plant is realized
Automatically sewage is handled in each processing links.
The technique of actual treatment is briefly described:
Pretreatment: the domestic sewage in rural areas of generation imports the conditioning tank that catchments through dedicated collection conduit, by agitating device
Effect, some soluble bulky grains are broken up, the burden of subsequent filter is reduced；It will be some difficult to degrade by mechanical grille
Substance and bulky grain are retained；Grease in sanitary sewage is removed by oil separator, conducive to subsequent biochemical treatment effeciency
It improves, effectively prevents the generation of foam；Detection reaches certain water level in collecting-tank, and starting sewage pump is pumped into biochemical tune
Pond is saved, is handled by flocculant, dephosphorization agent processing, then through A/O biochemistry pool, it can be achieved that COD concentration sharp fall；
Biochemical treatment: being discharged into filter bed for processed domestic sewage in rural areas, is evenly distributed on filter bed surface by water distributor,
Absorption through microbial degradation, adsorbent material in filler matrix in filter bed effectively removes organic in rubbish sanitary sewage
Object and ammonia nitrogen, meanwhile, haydite and adsorbent material in filler matrix can be used as the support frame of filler matrix, guarantee under filter bed
Water speed increases porosity simultaneously；Iron filings therein can not only remove part ammonia nitrogen, and can play the role of support frame；At sewage
Reason station treating capacity and the area ratio of filter bed are 1:1, a height of 1.3m, and wherein the thickness of filler is about 0.9m, and compounded mix accumulation is close
Degree is 1.3；This process can avoid secondary pollution without adding any reagent and carbon source；
It is discharged through detection COD situation if up to standard by the domestic sewage in rural areas after separation；If it does not meet the standards, then collection is returned
It is handled again in pond.If pH is too low in waste water before filtering, then liquid alkaline is added into waste water or milk of lime adjusts pH6~9, is added
Increase molecular flocculant, qualified discharge after flocculating setting.Preferably, the high polymer coagulant is polyacrylamide.The height
The additive amount of molecular flocculant is 1~10ppm.
Embodiment 4
Jiangxi Province Wannian County domestic sewage in rural areas, water quality such as table 1, sewage treatment scale are 10m3/d.Using this hair
After the reason of daylight, effluent quality (table 2) reaches " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) one comprehensively
Grade A target limit value, and overall process hardly needs the i.e. certifiable system stable operation of additional energy.Meanwhile green vegetation and week
Side rural environment is well agreed with, and the foul odour distributed without traditional wastewater treatment process, and landscape ecological effect is deep by periphery
Resident welcomes.
Table 1: Wannian County domestic sewage in rural areas water quality (10m3/ d) unit: mg/litre (except pH)
| Item argument | Influent concentration value | Effluent criteria |
| COD | 250~350 | 50 |
| BOD | 150~200 | 10 |
| Ammonia nitrogen | ≧20 | 5(8) |
| SS | ≧100 | 10 |
| Total nitrogen | ≧30 | 15 |
| Total phosphorus | ≧5 | 0.5 |
| PH | 6-9 | 6-9 |
Table 2 is using based on of the invention 10000 years certain sanitary sewage disposal engineering actual effect
| Locate index | The present embodiment |
| COD removal rate (%) | >80 |
| Effluent COD concentration (mg/L) | <20 |
| BOD removal rate (%) | 95 |
| It is discharged BOD concentration (mg/L) | <7 |
| Ammonia nitrogen removal frank (%) | >75 |
| It is discharged ammonia nitrogen concentration (mg/L) | <5 |
| SS removal rate (%) | >93 |
| SS aqueous concentration (mg/L) | <7 |
| Total tp removal rate (%) | >90 |
| It is discharged total phosphorus concentration (mg/L) | <0.5 |
Removal rate parameter selection explanation: above five kinds of parameters are to influence water quality key value, so only when calculating removal rate
COD/SS/ ammonia nitrogen/parameter of total nitrogen/total phosphorus five is chosen to be analyzed.
Embodiment 5
Shangrao domestic sewage in rural areas, water quality such as table 3, sewage treatment scale are 25m3/d.After present invention processing,
Effluent quality (table 4) reaches " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) level-one A target limit comprehensively
Value, and overall process hardly needs the i.e. certifiable system stable operation of additional energy.Meanwhile green vegetation and surrounding rural environment
The foul odour for well agreeing with, and distributing without traditional wastewater treatment process, landscape ecological effect are welcome by nearby residents deeply.
Table 3: certain domestic sewage in rural areas influent concentration and Effluent criteria list position: mg/litre (except pH)
| Item argument | Influent concentration value | Effluent criteria |
| COD | 300 | 50 |
| BOD | 170 | 10 |
| Ammonia nitrogen | 25 | 5(8) |
| SS | 110 | 10 |
| Total nitrogen | 27 | 15 |
| Total phosphorus | 7 | 0.5 |
| PH | 7.8 | 6-9 |
Table 4 is using based on sanitary sewage disposal engineering actual effect in Shangrao of the invention
| Locate index | The present embodiment |
| COD removal rate (%) | 91.67 |
| Effluent COD concentration (mg/L) | 25 |
| BOD removal rate (%) | 94.82 |
| It is discharged BOD concentration (mg/L) | 8.8 |
| Ammonia nitrogen removal frank (%) | 85.2 |
| It is discharged ammonia nitrogen concentration (mg/L) | 3.7 |
| Nitrogen removal rate (%) | 70.37 |
| It is discharged total nitrogen concentration (mg/L) | 8 |
| SS removal rate (%) | 92.72 |
| SS aqueous concentration (mg/L) | 8 |
| Total tp removal rate (%) | 99.9 |
| It is discharged total phosphorus concentration (mg/L) | 0.07 |
Removal rate parameter selection explanation: above five kinds of parameters are to influence water quality key value, so only when calculating removal rate
COD/SS/ ammonia nitrogen/parameter of total nitrogen/total phosphorus five is chosen to be analyzed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. the processing system that a kind of domestic sewage in rural areas drives landscape ecological certainly characterized by comprising
The first end of automatic control system, the automatic control system is electrically connected with solar power supply apparatus；
Sewage detection device, the sewage detection device are electrically connected with the second end of the automatic control system；
Sewage-treatment plant, including be sequentially communicated collecting-tank, biochemical conditioning tank, A/O biochemistry pool, filter with nitrated in position denitrification
Bed, discharge pond and frequency-variable controller；
The filler of the same nitrated in position denitrification filter bed includes the packing layer being made of GY-3 type filler matrix；The GY-3 type is filled out
Expect the microorganism containing pseudo xanthomonas, Sphingomonas, Comamonas Cordycepps and Hyphomicrobiaceae in matrix；
The first end of the frequency-variable controller is electrically connected with the third end of the automatic control system；
Chemicals dosing plant, the chemicals dosing plant are electrically connected with the 4th end of the automatic control system.
2. the processing system that domestic sewage in rural areas according to claim 1 drives landscape ecological certainly, which is characterized in that
The solar power supply apparatus includes:
Solar controller, the first end of the solar controller are electrically connected with the automatic control system；
Solar panels, the solar panels are electrically connected with the second end of the solar controller；
Battery, the battery are electrically connected with the third end of the solar controller；
The second end of the frequency-variable controller is electrically connected with sludge reflux pump, Aeration fan and sewage pump respectively, and described
Sewage pump is connected with the water inlet pipe network at the top of the same nitrated in position denitrification filter bed of the sewage disposal system, the aeration
Blower is connected with the gas distribution pipe network at the top of the same nitrated in position denitrification filter bed of the sewage disposal system.
3. the processing system that domestic sewage in rural areas according to claim 1 drives landscape ecological certainly, which is characterized in that
The GY-3 type filler matrix by 90~95 parts of primary filler matrix, discarded 5~10 parts of iron filings, is inhaled according to parts by weight
After 5~10 parts of enclosure material mixing, stablize culture two days；The primary filler matrix is by mixing mineralized waste and haydite
It cultivates and is prepared in nitrobacteria culture medium afterwards；The mass ratio of the mineralized waste and haydite is 1:(3~7).
4. the processing system that domestic sewage in rural areas according to claim 3 drives landscape ecological certainly, which is characterized in that
The same nitrated in position denitrification filter bed further includes gas distribution pipe, water distributor, landscape plant layer, soil horizon, supporting layer and draining
Pipeline；
The water distributor is evenly distributed in landscape plant layer, and the soil horizon is arranged in landscape plant layer and GY-3 type filler base
Between matter layer, side of the GY-3 type filler matrix layer far from soil horizon is arranged in the supporting layer；
The drainage pipeline is arranged between the supporting layer；It is provided on the drainage pipeline and collects hole, the water distributor is set
It is equipped with drainage hole；
The top of same nitrated in position denitrification filter bed is arranged in the gas distribution pipe；
The landscape plant includes Manila grass, Taiwan green grass level ground, reed, cattail, rush, calamus, canna, chrysanthemum kite
Tail, wild rice stem, cyperus alternifolius, thaliadeabata, vetiver, water hyacinth, Eichhornia crassipes, duckweed, hyacinth, lotus, water lily, Azolla imbricata, water are floating
Lotus, eel grass, black algae, waterweed, watermifoil, nutgrass flatsedge, dryland willow, metasequoia, taxodium ascendens or combinations thereof.
5. the processing system that domestic sewage in rural areas according to claim 4 drives landscape ecological certainly, which is characterized in that
The chemicals dosing plant includes:
Dosing controller, the first end of the dosing controller are electrically connected with the automatic control system；
Dosing metering pump, the dosing metering pump are electrically connected with the second end of the dosing controller；
The chemicals dosing plant is arranged above biochemical conditioning tank；
The sewage detection device is provided with multiple groups, and sewage detection device described in every group includes a flow sensor, a liquid level
Controller and a PH measuring instrument；Wherein, the flow sensor and the fluid level controller are separately positioned on sewage disposal system
Biochemical conditioning tank, in nitrated in position denitrification filter bed and dosing metering pump, the PH measuring instrument be arranged at biochemical conditioning tank,
With the water outlet of nitrated in position denitrification filter bed and dosing metering pump；The flow sensor of sewage detection device described in every group,
The fluid level controller and the PH measuring instrument are electrically connected with the second end of the automatic control system.
6. the processing system that domestic sewage in rural areas according to claim 5 drives landscape ecological certainly, which is characterized in that
Grille well is provided in the collecting-tank；
The water outlet of the A/O biochemistry pool is by water distributor water distribution uniformity on the upper layer of same nitrated in position denitrification filter bed；
The water outlet of the same nitrated in position denitrification filter bed is connected to discharge pond all the way, and another way is connected to A/O by sludge reflux pump
Biochemistry pool water inlet；
A touch screen, the 5th end electricity of the touch screen and the automatic control system are additionally provided in the automatic control system
Connection.
7. a kind of method handled with any processing system of claim 1~6 domestic sewage in rural areas, special
Sign is, includes the following steps:
1) it after by domestic sewage in rural areas by pretreatment, biochemical adjusting, is handled using A/O technique；
2) domestic sewage in rural areas handled through step 1) enters the same nitrated in position denitrification filter bed for being provided with GY-3 type filler matrix
Middle processing；
3) concentrated water of the domestic sewage in rural areas handled through step 2) drains into landfill yard or return step 1)；Purified water row up to standard
It puts；
It is micro- containing pseudo xanthomonas, Sphingomonas, Comamonas Cordycepps and raw silk in the GY-3 type filler matrix
The microorganism of Cordycepps.
8. the method for processing according to claim 7, which is characterized in that it is described pretreatment refer to by domestic sewage in rural areas into
Row primary filter, removal grease and adsorption filtration；In the A/O technical process, methanol is added as nutriment to maintain work
Skill continues.
9. the method for processing according to claim 7, which is characterized in that biochemical adjust is directed to after pretreatment
Domestic sewage in rural areas in add flocculant, dephosphorization agent, staticly settle after the completion；The substance of precipitating is discharged through bottom of pond, supernatant
It is transferred to downstream.
10. the method for processing according to claim 7, which is characterized in that before the purified water discharge, detect COD
Situation is discharged if up to standard；If it does not meet the standards, then return step 1) take A/O technique to handle again.
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| CN112456727A (en) * | 2020-10-21 | 2021-03-09 | 湖南青涟环保科技有限公司 | Online monitoring system of sewage treatment station |
| CN113603313A (en) * | 2021-09-13 | 2021-11-05 | 中电建生态环境设计研究有限公司 | Low-energy-consumption ecological utilization and treatment system for rural rain sewage |
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| CN111453922A (en) * | 2020-04-16 | 2020-07-28 | 江苏建筑职业技术学院 | Self-driven landscape ecological treatment method and system for rural domestic sewage |
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| CN113603313A (en) * | 2021-09-13 | 2021-11-05 | 中电建生态环境设计研究有限公司 | Low-energy-consumption ecological utilization and treatment system for rural rain sewage |
| CN113603313B (en) * | 2021-09-13 | 2023-05-12 | 中电建生态环境设计研究有限公司 | Low-energy-consumption rural rainwater and sewage ecological utilization treatment system |
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