CN207347250U - A kind of multifunction ecological filter bed for rural scattered domestic sewage processing - Google Patents
A kind of multifunction ecological filter bed for rural scattered domestic sewage processing Download PDFInfo
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- CN207347250U CN207347250U CN201721318232.7U CN201721318232U CN207347250U CN 207347250 U CN207347250 U CN 207347250U CN 201721318232 U CN201721318232 U CN 201721318232U CN 207347250 U CN207347250 U CN 207347250U
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Abstract
Sewage treatment field is the utility model is related to, in particular to a kind of multifunction ecological filter bed for rural scattered domestic sewage processing.A kind of multifunction ecological filter bed for rural scattered domestic sewage processing, including oxygen-rich layer, anoxic layer and the anaerobic layer being sequentially arranged from top to bottom；Oxygen-rich layer is provided with aerobic microbiological；Anoxic layer is provided with anoxic microorganism, and anaerobic layer is provided with anaerobe.Oxygen-rich layer, anoxic layer and the anaerobic layer being sequentially arranged, the floor space for the multifunction ecological filter bed of rural scattered domestic sewage processing is few, it can be achieved that the integrated treatment of dispersant type domestic wastewater, cost is low, and operation is simple, and management is easy；To sewage quality, water fluctuation it is adaptable, anti-load impact ability is strong, and stability is good；, it can be achieved that high-efficient denitrification and dephosphorization while dirty Organic substance in water is removed, while also there is good removal effect to the heavy metal in sewage.
Description
Technical field
Sewage treatment field is the utility model is related to, is used in particular to one kind at rural scattered domestic sewage
The multifunction ecological filter bed of reason.
Background technology
With the continuous improvement of life in the countryside level and developing rapidly for livestock and poultry breeding industry, the water consumption and sewage in rural area are produced
Raw amount is in rising trend.Since current most domestic sewage in rural areas sources disperse, supporting processing equipment falls behind, it is most of without
Any processing is just directly discharged into river, lake, causes black smelly, Hu Ku of river eutrophication occur, at least partially through changing excrement
Permeate the ground after the simple process of pond, the drinking water quality safety of serious threat to rural area, and then endanger ecological environment and people
Body health.
Therefore, inventor has invented a kind of multifunction ecological filter bed for rural scattered domestic sewage processing.
Utility model content
The purpose of this utility model is to provide it is a kind of for rural scattered domestic sewage processing multifunction ecological filter bed,
It aims to solve the problem that sewage discharge, causes Hu Ku the problems such as eutrophication occur.
The utility model provides a kind of technical solution：
A kind of multifunction ecological filter bed for rural scattered domestic sewage processing, at rural scattered domestic sewage
The multifunction ecological filter bed of reason includes oxygen-rich layer, anoxic layer and the anaerobic layer being sequentially arranged from top to bottom；Oxygen-rich layer is provided with
Oxygen animalcule；Anoxic layer is provided with anoxic microorganism, and anaerobic layer is provided with anaerobe.
In the other embodiment of the utility model, above-mentioned oxygen-rich layer is filled with first vector, aerobic microbiological biofilm in
First vector；Anoxic layer is filled with Second support, and anoxic microorganism colonization is in Second support；Anaerobic layer is filled with the 3rd carrier,
Anaerobe biofilm is in the 3rd carrier.
In the other embodiment of the utility model, the particle diameter of above-mentioned first vector is more than the particle diameter of Second support, and second
The particle diameter of carrier is more than the particle diameter of the 3rd carrier.
In the other embodiment of the utility model, the above-mentioned complex ecological filter for rural scattered domestic sewage processing
Bed further includes water distribution layer, and sewage can enter oxygen-rich layer by water distribution layer.
In the other embodiment of the utility model, the bottom of above-mentioned water distribution layer is provided with metalling, and sewage can be by broken
Rock layers enter oxygen-rich layer.
In the other embodiment of the utility model, above-mentioned water distribution layer further includes water distributor, and sewage can be disperseed by water distributor
Oxygen-rich layer is entered by metalling afterwards.
In the other embodiment of the utility model, the above-mentioned complex ecological filter for rural scattered domestic sewage processing
Bed further includes vegetable layer, and vegetable layer is arranged between water distribution layer and oxygen-rich layer.
In the other embodiment of the utility model, separate layer, separate layer are provided between above-mentioned oxygen-rich layer and anoxic layer
Including non-woven geotextile, stainless (steel) wire, active carbon fiber fabrics one or more.
In the other embodiment of the utility model, the above-mentioned complex ecological filter for rural scattered domestic sewage processing
The water outlet of bed is arranged at the bottom of anaerobic layer.
In the other embodiment of the utility model, above-mentioned water outlet is provided with filtering layer, and filtering layer includes the nothing set gradually
Spin geotextiles, stainless (steel) wire and active carbon fiber fabrics.
What the utility model embodiment provided is used for the beneficial of the multifunction ecological filter bed of rural scattered domestic sewage processing
Effect is：
Oxygen-rich layer, anoxic layer and the anaerobic layer being sequentially arranged, the compound life for rural scattered domestic sewage processing
The floor space of state filter bed is few, it can be achieved that the integrated treatment of dispersant type domestic wastewater, cost is low, and operation is simple, and management is easy；
To sewage quality, water fluctuation it is adaptable, anti-load impact ability is strong, and stability is good；Removing dirty Organic substance in water
At the same time, it can be achieved that high-efficient denitrification and dephosphorization, while also there is good removal effect to the heavy metal in sewage.
In addition, the multifunction ecological filter bed for rural scattered domestic sewage processing is provided with water distribution layer and vegetable layer, carry
Dissolved oxygen content in high sewage, while strengthening the reoxygenation effect of oxygen-enriched bed by way of waterflooding-fall dry alternate run, without
Extra aeration, has saved energy consumption.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the multifunction ecological filter bed for being used for rural scattered domestic sewage processing that the utility model embodiment one provides
Structure diagram；
Fig. 2 is the structure diagram for the oxygen-rich layer that the utility model embodiment one provides；
Fig. 3 is the anoxic layer that the utility model embodiment one provides and the structure diagram of anaerobic layer；
Fig. 4 is the multifunction ecological filter bed for being used for rural scattered domestic sewage processing that the utility model embodiment two provides
Structure diagram.
Icon：100- is used for the multifunction ecological filter bed of rural scattered domestic sewage processing；110- oxygen-rich layers；111- first
Carrier；112- separate layers；120- anoxic layers；121- Second supports；130- anaerobic layers；The 3rd carriers of 131-；132- water outlets；
133- supporting layers；140- water distribution layers；141- water distributors；150- vegetable layers；200- is used for rural scattered domestic sewage processing
Multifunction ecological filter bed.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the utility model embodiment, it is to be understood that term " on ", " under ", etc. the orientation of instruction or
Position relationship be based on orientation shown in the drawings or position relationship, or the utility model product using when the side usually put
Position or position relationship, or the orientation that usually understands of those skilled in the art or position relationship, be for only for ease of description this
Utility model and simplifying describes, rather than instruction or implies that signified equipment or element must have specific orientation, with specific
Azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or hint
Relative importance.
In the description of the utility model embodiment, it is also necessary to explanation, unless otherwise clearly defined and limited, art
Language " setting ", " installation ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or
It is integrally connected；It can be directly connected, can also be indirectly connected by intermediary, can be the company inside two elements
It is logical.For the ordinary skill in the art, it can understand that above-mentioned term is specific in the utility model with concrete condition
Implication.
Embodiment one
Fig. 1 is the multifunction ecological filter bed for being used for rural scattered domestic sewage processing that the utility model embodiment one provides
100 structure diagram.Referring to Fig. 1, present embodiments provide a kind of for the compound of rural scattered domestic sewage processing
Ecological filter bed 100, the multifunction ecological filter bed 100 for rural scattered domestic sewage processing includes what is be sequentially arranged from top to bottom
Oxygen-rich layer 110, anoxic layer 120 and anaerobic layer 130；Oxygen-rich layer 110 is provided with aerobic microbiological；Anoxic layer 120 is provided with scarce
Oxygen animalcule, anaerobic layer 130 are provided with anaerobe.
Fig. 2 is the structure diagram for the oxygen-rich layer 110 that the utility model embodiment one provides, referring to Fig. 2, oxygen-rich layer
110 are filled with first vector 111, and above-mentioned aerobic microbiological biofilm is in first vector 111.
Specifically, first vector 111 by particle diameter be respectively 0.5~1mm, 2~5mm mountain sand, coral sand form, and mountain sand
Volume ratio with coral sand is 2:1.In the present embodiment, the biofilm mode of first vector 111 is as follows：First vector 111 is used
After tap water is cleaned up and dried, the activated sludge of sewage plant aerobic reaction tank is derived from every 1L first vectors 111 addition 10L
(mixed genetic-neural network 3500mg/L, sludge settling ratio 25%), is stirred at room temperature with the speed of 40r/min
10min, then filters out first vector 111 with sieve and completes biofilm.
Further, the first vector 111 in oxygen-rich layer 110 enters anoxic layer 120 in order to prevent, in the present embodiment,
The bottom of oxygen-rich layer 110 is provided with separate layer 112, and separate layer 112 is by non-woven geotextile, stainless (steel) wire, activated carbon fibre layer of cloth
Layer is set, and in detail, separate layer 112 is followed successively by non-woven geotextile, stainless (steel) wire, active carbon fiber fabrics and nonwoven from top to bottom
Geotextiles.
It is understood that in the other embodiment of the utility model, first vector 111 can also be that other particles carry
Body, such as rubble etc..Separate layer 112 may be alternatively provided as other modes, such as is only made of supporting network and non-woven geotextile etc..
The particle diameter of first vector 111 is relatively large, and permeable pressure head fluctuating range is smaller, is not easy to plug.First vector 111 exists
The pollutant such as waterflooding phase, organic matter, nitrogen, phosphorus, heavy metal in sewage is attracted to 111 surface of first vector, due in sewage
Containing more dissolved oxygen, the aerobic microbiological being attached in the biomembrane in first vector 111 can be in this period degraded part
Pollutant；Falling dry spell, the oxygen in air is quickly entered in the gap of oxygen-rich layer 110, is attached to 111 surface of first vector
Aerobic microbiological starts a large amount of decomposing organic matters under sufficient oxygen environment, while most of ammoniacal nitrogen is in nitrococcus, nitrification
Nitrite nitrogen or nitrate nitrogen are converted under the action of bacterium.Further, since coral sand can discharge calcium carbonate into sewage, can be nitrous
Change and nitrifying process provides necessary basicity, the process is more smoothly occurred.After falling dry spell, oxygen-rich layer 110 is again
Secondary to enter the waterflooding phase, the amounts of residual contamination being partly attached in first vector 111 can flow into anoxic layer 120 with water.
Fig. 3 is the anoxic layer 120 and the structure diagram of anaerobic layer 130 that the utility model embodiment one provides, and is referred to
Fig. 3.
In detail, anoxic layer 120 is filled with Second support 121, and anoxic microorganism colonization is in Second support 121；In detail,
In the present embodiment, Second support 121 by particle diameter be respectively 0.3~0.8mm, 1~2mm mountain sand, shell sand form, and mountain sand
Volume ratio with shell sand is 4：1.The mode of 121 biofilm of Second support is as follows：Second support 121 is cleaned up with tap water
And after drying, activated sludge (the mixed liquor suspension that 10L is derived from sewage plant hypoxia response pond is added in every 1L Second supports 121
Solid concentration is 4700mg/L, sludge settling ratio 35%), 10min, Ran Houyong are stirred at room temperature with the speed of 40r/min
Sieve filters out Second support 121, that is, completes biofilm.
From the above, the bottom of anoxic layer 120 is provided with by non-woven geotextile, stainless (steel) wire, active carbon fiber fabrics layer by layer
The separate layer (not marked in figure) of setting.
The particle diameter of Second support 121 is less than the particle diameter of first vector 111, can effectively reduce the entrance of air, be microorganism
Anaerobic environment is created, while also can preferably retain small molecule contaminants.Organic matter, nitrogen, phosphorus in anoxic layer 120, sewage,
The pollutants such as heavy metal are further adsorbed, and wherein nitrite nitrogen, nitrate nitrogen are supplied as electron acceptor, organic carbon source as electronics
Body, the denitrifying bacterium for being attached to 121 surface of Second support under anoxic conditions are reduced to gaseous nitrogen.Due in anoxic layer 120
Still contain a small amount of oxygen, and organic carbon source and hydraulic detention time are insufficient, denitrification nothing in the anoxic layer 120
Method thoroughly carries out, and sewage needs to be for further processing into anaerobic layer 130.
Anaerobic layer 130 is filled with the 3rd carrier 131, and anaerobe biofilm is in the 3rd carrier 131.In the present embodiment,
3rd carrier 131 by particle diameter be respectively 0.2~0.5mm, 0.5~1mm mountain sand, sponge iron form, and the body of mountain sand, sponge iron
Product is than being 7：1.
It is understood that in the other embodiment of the utility model, above-mentioned 3rd carrier 131 can also be other materials
The filler material of material, the utility model are not limited it.
The mode of 3rd carrier, 131 biofilm anaerobe is as follows：3rd carrier 131 is cleaned up and shone with tap water
After dry, the activated sludge (mixed liquor suspended solid, MLSS that 10L is derived from sewage plant anaerobic reation pool is added in every the 3rd carriers 131 of 1L
Concentration is 6000mg/L, sludge settling ratio 53%), 10min is stirred at room temperature with the speed of 40r/min, then uses sieve
The 3rd carrier 131 is filtered out, that is, completes biofilm.
Anaerobic layer 130 uses the thinner mountain sand of particle diameter and sponge iron as carrier, can due to sponge iron loose and porous inner surface
Remaining dissolved oxygen, makes the bed be in good anaerobic state in rapid consumption water body.Under anaerobic, denitrifying bacterium into
Nitrite nitrogen, nitrate-nitrogen reduction are gaseous nitrogen by one step, while autotrophic denitrification bacterium utilizes using nitrate nitrogen as electron acceptor
The Fe (II) that sponge iron produces in Water treatment carries out iron autotrophic denitrification as electron donor, so as to fulfill efficient denitrification.
At the same time, Fe (II), Fe (III) and its hyrate that sponge iron rot produces, have the effects such as absorption, precipitation, flocculation, can
The content of nitrogen and phosphorous in sewage is further reduced, so as to strengthen the multifunction ecological filter bed for rural scattered domestic sewage processing
100 Nitrogen/Phosphorus Removal.
Correspondingly, the bottom of anaerobic layer 130 is also equipped with by non-woven geotextile, stainless (steel) wire, active carbon fiber fabrics layer by layer
The separate layer (not marked in figure) of setting.
Multifunction ecological filter bed 100 for rural scattered domestic sewage processing is additionally provided with for accepting anaerobic layer 130
Supporting layer 133, the right side of supporting layer 133 is provided with water outlet 132.133 thickness of supporting layer is 5cm, is pressed using rubble and haydite
According to mass ratio 1：3 are uniformly mixed, and rubble, haydite particle diameter are respectively 5~10mm, 2~4mm.
In the other embodiment of the utility model, water outlet 132 is provided with filtering layer (not shown), filtering layer include according to
Non-woven geotextile, stainless (steel) wire and the active carbon fiber fabrics of secondary setting.Further, the filtering layer is by non-woven geotextile, stainless
Steel mesh and active carbon fiber fabrics are arranged layer by layer to be formed.In the present embodiment, the upstream position of water outlet 132 sets nonwoven geotechnique
Cloth, then sets active carbon fiber fabrics, and the downstream position of water outlet 132 sets stainless (steel) wire.
Referring to Fig. 1, in the present embodiment, in order to make the oxygen content into the sewage of oxygen-rich layer 110 more, at this
In embodiment, the multifunction ecological filter bed 100 for rural scattered domestic sewage processing further includes water distribution layer 140, vegetable layer
150, water distribution layer 140 is arranged on vegetable layer 150, and vegetable layer 150 is arranged on oxygen-rich layer 110, sewage is passed through cloth
Water layer 140, vegetable layer 150 enter oxygen-rich layer 110.
In detail, in the present embodiment, 140 bottom of water distribution layer is equipped with web plate, and metalling, the grain of rubble are equipped with web plate
Footpath is 2~3cm.
In order to make sewage be homogeneously dispersed in whole 140 bottom of water distribution layer, water distribution layer 140 further includes water distributor 141, water distribution
After sewage is sprayed onto rubble layer surface by device 141, the contact surface with air is added, so that the dissolved oxygen contained in sewage
Amount rise, is conducive to follow-up Aerobic biological process.
Water distribution layer 140 can not only increase the dissolved oxygen content in sewage, moreover it is possible to reduce sewage by the effect of metalling
Hydraulic blow to follow-up bed, can also retain the impurity such as particle diameter is larger in sewage floating material or suspended matter, prevent follow-up bed
The blocking of layer.The impurity retained on periodic cleaning metalling is needed, prevents the blocking of water distribution layer 140, it is ensured that outside air can have
Effect enters follow-up bed.
150 wall body of vegetable layer is made of transparent glass, and 150 bottom of vegetable layer is equipped with thick undertaking layer, using rubble and
Cobblestone is according to mass ratio 2：1 is uniformly mixed, and rubble, cobblestone particle diameter are respectively 5~8mm, 5~10mm.Accept on layer
Side's plantation has water plant, and the water plant of the present embodiment uses Monochoria vaginalis.Due to the photosynthesis of plant, in vegetable layer 150
Oxygen content it is of a relatively high, sewage enter vegetable layer 150 after, during Monochoria vaginalis blade face, stalk are fallen, dissolved oxygen content
Further increase.Meanwhile Monochoria vaginalis can be removed in sewage during growth metabolism by the effect such as absorption and sorption and enrichment
Partial organic substances, nitrogen, phosphorus, the pollutant such as heavy metal, reach certain purifying water effect.
Hold it is above-mentioned, sewage from vegetable layer 150 outflow after, into oxygen-rich layer 110.
It is understood that in the other embodiment of the utility model, for rural scattered domestic sewage processing
Multifunction ecological filter bed 100 can not also set water distribution layer 140 and vegetable layer 150；Alternatively, at rural scattered domestic sewage
The multifunction ecological filter bed 100 of reason sets any one in water distribution layer 140 and vegetable layer 150.
What the utility model embodiment provided is used for the master of the multifunction ecological filter bed 100 of rural scattered domestic sewage processing
Advantage is wanted to be：
Oxygen-rich layer 110, anoxic layer 120 and the anaerobic layer 130 being sequentially arranged, for rural scattered domestic sewage processing
Multifunction ecological filter bed 100 floor space it is few, it can be achieved that the integrated treatment of dispersant type domestic wastewater, cost is low, operation letter
Single, management is easy；To sewage quality, water fluctuation it is adaptable, anti-load impact ability is strong, and stability is good；Going to decontaminate
, it can be achieved that high-efficient denitrification and dephosphorization while Organic substance in water, while also there is good removal effect to the heavy metal in sewage.
In addition, the multifunction ecological filter bed 100 for rural scattered domestic sewage processing is provided with water distribution layer 140 and vegetation
Layer 150, improves the dissolved oxygen content in sewage, while strengthening the reoxygenation of oxygen-enriched bed by way of waterflooding-fall dry alternate run
Effect, without extra aeration, has saved energy consumption.
The multifunction ecological filter bed for being used for rural scattered domestic sewage processing provided using the utility model embodiment one
The mixed liquor of a number of scattered rural household's life sewage of 100 pairs of Sichuan Chengdu Xi Puzhen is handled, these sanitary sewages come
Source mainly includes bath sewage, kitchen sewage, toilet-flushing sewage etc., further, since the stable breeding of part peasant household has domestic animals and fowls, generates
Punching circle sewage, N, P concentration are higher contained by Animal fecal pollution, also containing micro heavy metal.After tested, agriculture used in the present embodiment
The water quality index of village's sanitary sewage is as follows：COD (CODcr) concentration is 185.4~307.9mg/L, ammonia nitrogen (NH3- N) it is dense
It is 38.1~45.3mg/L to spend for 29.8~35.4mg/L, total nitrogen (TN) concentration, and total phosphorus (TP) concentration is 3.2~5.6mg/L,
Cu, Fe, Zn concentration are respectively that 10.9~35.8,5.9~22.6,7.2~30.6 μ g/L, pH are 6.5~8.1.
In filter bed 2 cycles of operation daily, each cycle 12h, each cycle is by waterflooding and falls dry two stages and forms, wherein
Waterflooding phases-time is 3h, and it is 9h, hydraulic load 0.5m to fall dry phases-time3/(m2·d).Daily 2nd periodic duty terminates
When, take out water and detect its CODcr、NH3- N, the content of TN, TP, Cu, Fe, Zn and pH.Wherein, CODcrUsing potassium dichromate method
Measure, NH3- N is measured using Berthelot spectrophotometry, and TN is surveyed using alkaline chitinase resolution ultraviolet spectrophotometry
Fixed, TP uses Ammonium Molybdate Spectrophotometric Method for Determination, and Cu, Fe, Zn use atomic absorption spectroscopy determination, and pH value uses glass
Glass determination of electrode.
Operation result is shown, after the multifunction ecological filter bed 100 handled for rural scattered domestic sewage is handled, is gone out
Water CODcrConcentration is 5.2~13.5mg/L, and removal rate is 95.6%~97.2%, average removal rate 96.3%；Water outlet NH3-N
Concentration is 0.5~1.2mg/L, and removal rate is 96.5%~98.6%, average removal rate 97.6%；Water outlet TN concentration is 2.7
~3.9mg/L, removal rate are 90.8%~92.9%, average removal rate 91.7%；Water outlet TP concentration is 0.1~0.4mg/L, is gone
Except rate is 92.3%~97.4%, average removal rate 94.8%；Water outlet Cu, Fe, Zn concentration is 0 μ g/L, and removal rate is
100%；Water outlet pH value is 7.2~7.9.Therefore, answering for rural scattered domestic sewage processing provided by the utility model
Ecological filter bed 100 are closed, not only can effectively remove the pollutants such as organic matter in sewage, nitrogen, phosphorus, while also have to heavy metal
Good removal effect.
Embodiment two
Fig. 4 is the multifunction ecological filter bed for being used for rural scattered domestic sewage processing that the utility model embodiment two provides
200 structure diagram.Referring to Fig. 4, present embodiments provide a kind of for the compound of rural scattered domestic sewage processing
Ecological filter bed 200, the multifunction ecological filter bed 200 and embodiment provided in this embodiment for rural scattered domestic sewage processing
The main distinction of one multifunction ecological filter bed 100 for being used for rural scattered domestic sewage processing provided is：For rural area point
It is different with the position relationship of vegetable layer 150 to dissipate the water distribution layer 140 in the multifunction ecological filter bed 200 of formula sanitary sewage disposal.
Referring to Fig. 4, in the present embodiment, water distribution layer 140 is arranged at intervals with vegetable layer 150, filtered by water distribution layer 140
Water afterwards enters vegetable layer 150 by pipeline, then sequentially enters oxygen-rich layer 110, anoxic layer 120 and anaerobic layer 130 again.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of multifunction ecological filter bed for rural scattered domestic sewage processing, it is characterised in that described for rural area point
Dissipate oxygen-rich layer, anoxic layer and anaerobic layer that the multifunction ecological filter bed of formula sanitary sewage disposal includes being sequentially arranged from top to bottom；
The oxygen-rich layer is provided with aerobic microbiological；The anoxic layer is provided with anoxic microorganism, and it is micro- that the anaerobic layer is provided with anaerobism
Biology.
2. the multifunction ecological filter bed according to claim 1 for rural scattered domestic sewage processing, it is characterised in that
The oxygen-rich layer is filled with first vector, and the aerobic microbiological biofilm is in the first vector；The anoxic layer is filled with the
Two carriers, the anoxic microorganism colonization is in the Second support；The anaerobic layer is filled with the 3rd carrier, the micro- life of anaerobism
Thing biofilm is in the 3rd carrier.
3. the multifunction ecological filter bed according to claim 2 for rural scattered domestic sewage processing, it is characterised in that
The particle diameter of the first vector is more than the particle diameter of the Second support, and the particle diameter of the Second support is more than the 3rd carrier
Particle diameter.
4. it is used for the multifunction ecological filter bed of rural scattered domestic sewage processing according to claim 1-3 any one of them, its
It is characterized in that, the multifunction ecological filter bed for rural scattered domestic sewage processing further includes water distribution layer, and sewage can pass through
The water distribution layer enters the oxygen-rich layer.
5. the multifunction ecological filter bed according to claim 4 for rural scattered domestic sewage processing, it is characterised in that
The bottom of the water distribution layer is provided with metalling, and the sewage can enter the oxygen-rich layer by the metalling.
6. the multifunction ecological filter bed according to claim 5 for rural scattered domestic sewage processing, it is characterised in that
The water distribution layer further includes water distributor, and the sewage is entered described oxygen-enriched by the metalling after being disperseed by the water distributor
Layer.
7. the multifunction ecological filter bed according to claim 4 for rural scattered domestic sewage processing, it is characterised in that
The multifunction ecological filter bed for rural scattered domestic sewage processing further includes vegetable layer, and the vegetable layer is arranged at described
Between water distribution layer and the oxygen-rich layer.
8. the multifunction ecological filter bed according to claim 1 for rural scattered domestic sewage processing, it is characterised in that
Separate layer is provided between the oxygen-rich layer and the anoxic layer, the separate layer includes non-woven geotextile, stainless (steel) wire, activity
The one or more of carbon fiber sheet.
9. the multifunction ecological filter bed according to claim 1 for rural scattered domestic sewage processing, it is characterised in that
The water outlet of the multifunction ecological filter bed for rural scattered domestic sewage processing is arranged at the bottom of the anaerobic layer.
10. the multifunction ecological filter bed according to claim 9 for rural scattered domestic sewage processing, its feature exists
In the water outlet is provided with filtering layer, and the filtering layer includes non-woven geotextile, stainless (steel) wire and the activated carbon fibre set gradually
Cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721318232.7U CN207347250U (en) | 2017-10-13 | 2017-10-13 | A kind of multifunction ecological filter bed for rural scattered domestic sewage processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721318232.7U CN207347250U (en) | 2017-10-13 | 2017-10-13 | A kind of multifunction ecological filter bed for rural scattered domestic sewage processing |
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| CN207347250U true CN207347250U (en) | 2018-05-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109336246A (en) * | 2018-12-20 | 2019-02-15 | 烟台和盛康洁环保科技有限公司 | A kind of family unpowered sewage disposal device |
-
2017
- 2017-10-13 CN CN201721318232.7U patent/CN207347250U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109336246A (en) * | 2018-12-20 | 2019-02-15 | 烟台和盛康洁环保科技有限公司 | A kind of family unpowered sewage disposal device |
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