CN207108618U - Biological filter dam - Google Patents

Abstract

The utility model discloses biological filter dam.The biological filter dam, including a filtrate body；One vegetable layer, it is grown in an outer surface of the filtrate body；With a microbe stuffing layer, growth has the microorganism for being intended for membrane biological reaction, is arranged on another outer surface of the filtrate body.Biological filter dam of the present utility model, included microbe stuffing layer can utilize membrane bioreaction reply water body purification, and the included outer surface for being grown in the filtrate body can be purified using root system to water body, thus achieve higher treatment effeciency.

Description

Biological filter dam

Technical field

The technical field of black-odor river sewage draining exit sewage disposal is the utility model is related to, in particular to biological filter dam.

Background technology

With the fast development of social economy, urban river, lake due to it is undressed industry and sanitary sewage it is direct It is discharged into, loads of nutrition sharply increases, and eutrophication is extremely serious, so as to cause a large amount of consumption of Dissolved Oxygen in Water, causes water Body anoxic and darkly smelly state, make the whole ecosystem crisis occur.Major part urban waterway in China's has existed black smelly at present Phenomenon, the black smelly phenomenon in China river appear in creek in Shanghai earliest, subsequent Nanjing, Suzhou, the inland river etc. in Guangzhou.Recent decades Come, the scope and degree of China's black and odorous water are constantly aggravated, and in the most of city section in the whole nation, flow through the water body of busy areas The overwhelming majority is by different degrees of pollution, and degradation improves year by year.According to incompletely statistics, have in China's urban water-body 40% has black and odorous water.On April 16th, 2015, country promulgated《Water prevention and cure of pollution action plan》--- " ensureing with all strength In water ecological environment safety " one, Special attention will be given to " regulation city black and odorous water ", control source is taken to cut dirt, garbage-cleaning, desilting The measures such as dredging, restoration of the ecosystem, increase black and odorous water management.It is required that municipality directly under the Central Government, provincial capital, cities specifically designated in the state plan built-up areas Black and odorous water will be substantially eliminated before the end of the year 2017.

In the prior art, the improvement generally use biofilter administered to black-odor river, biofilter is by rubble or modeling The biological treatment structures that material products filler is formed.Sewage and the microbial film gap-contact grown on filler surface, make sewage It is purified.Because biomembrane group kind is single, cause filter tank limited to the treatment effeciency of sewage.

Utility model content

In view of this, the purpose of the utility model embodiment is to provide a kind of biological filter dam, and the biological filter dam is to sewage With higher treatment effeciency.

A kind of biological filter dam, including a filtrate body；One vegetable layer, it is grown in an outer surface of the filtrate body；It is micro- with one Biologic packing material layer, growth have the microorganism for being intended for membrane biological reaction, are arranged on another outer surface of the filtrate body.

Further, the filtrate body includes stone layer, haydite layer and the volcano rock stratum being cascading.

Further, the thickness of the stone layer is 15~25mm.

Further, the thickness of the haydite layer is 7~13mm.

Further, the thickness of the volcano rock stratum is 3~7mm.

Further, haydite layer is flyash ceramic granulosa.

Further, the outer layer of the microbe stuffing layer has been stacked pervious bed.

Further, the pervious bed is filter pulp layer.

Further, the vegetable layer is water plant layer.

Further, in addition to house the filter mesh layer of pervious bed and the microbe stuffing layer.

Of the present utility model ecological filter bed, included microbe stuffing layer can utilize membrane bioreaction reply water body purification, The included outer surface for being grown in the filtrate body can be purified using root system to water body, thus achieve higher place Manage efficiency.

To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and Accompanying drawing appended by cooperation, is described in detail below.

Brief description of the drawings

, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment Accompanying drawing be briefly described, it should be understood that, the following drawings illustrate only some embodiments of the utility model, therefore should The restriction to scope is counted as, for those of ordinary skill in the art, on the premise of not paying creative work, also Other related accompanying drawings can be obtained according to these accompanying drawings.

Fig. 1 shows the structure chart on the biological filter dam that the embodiment of the utility model one is provided.

Main element symbol description：

100- biological filters dam；

20- filtrate bodies；

21- stone layers；

22- haydite layers；

23- volcano rock stratums；

40- vegetable layers；

60- microbe stuffing layers；

80- pervious beds；

90- filter mesh layers.

Embodiment

For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings State.Preferred embodiment is given in accompanying drawing.But it can be realized in many different forms, however it is not limited to be retouched herein The embodiment stated.On the contrary, the purpose for providing these embodiments is made to the disclosure of which more thorough and comprehensive.

The term used in the various embodiments of the disclosure is only used for describing the purpose of specific embodiment and not anticipated In the various embodiments of the limitation disclosure.As used herein, singulative is intended to also include plural form, unless context is clear Chu it is indicated otherwise.Unless otherwise defined, all terms (including the technical term and scientific terminology) tool being otherwise used herein There is the implication identical implication that the various embodiment one skilled in the art with the disclosure are generally understood that.The term (term such as limited in the dictionary typically used) is to be interpreted as having and the situational meaning in correlative technology field Identical implication and the implication with Utopian implication or overly formal will be not construed as, unless in the various of the disclosure It is clearly defined in embodiment.

In description of the present utility model, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", " preceding ", The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on Orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction or dark Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right Limitation of the present utility model.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be Combined in an appropriate manner in any one or more embodiments or example.

In description of the present utility model, unless otherwise prescribed with restriction, it is necessary to explanation, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be mechanical connection or the company of electrical connection or two element internals It is logical, can be joined directly together, can also be indirectly connected by intermediary, for the ordinary skill in the art, can To understand the concrete meaning of above-mentioned term as the case may be.

The statement (" first ", " second " etc.) used in the various embodiments of the disclosure can be modified in various implementations Various element in example, but respective sets can not be limited into element.For example, presented above be not intended to limit the suitable of the element Sequence and/or importance.The purpose presented above for being only used for differentiating an element and other elements.For example, the first user fills Put and indicate different user device with second user device, although the two is all user's set.For example, each of the disclosure is not being departed from In the case of the scope of kind embodiment, the first element is referred to alternatively as the second element, and similarly, the second element is also referred to as first Element.

It should be noted that：, can be by the first composition member if an element ' attach ' to another element by description Part is directly connected to the second element, and " connection " the 3rd can be formed between the first element and the second element Element.On the contrary, when an element " being directly connected to " is arrived into another element, it will be appreciated that be in the first element And second be not present the 3rd element between element.

In addition, indefinite article " one kind " before the utility model key element or component and "one" to key element or the quantity of component It is required that (i.e. occurrence number) unrestriction.Therefore "one" or " one kind " should be read as including one or at least one, and The key element or component of singulative also include plural form, unless the obvious purport of the quantity refers to singulative.

Refer to Fig. 1.The biological filter dam 100 of the utility model embodiment, including a filtrate body 20；One vegetable layer 40, it is raw Grow in an outer surface of filtrate body 20；With a microbe stuffing layer 60, growth has the microorganism for being intended for membrane biological reaction, if Put in another outer surface of filtrate body 20.

In above-described embodiment, included microbe stuffing layer 60 can utilize membrane bioreaction reply water body purification, included The outer surface for being grown in filtrate body 20 water body can be purified using root system, thus achieve higher treatment effeciency.

The shape of above-mentioned filtrate body 20 is not construed as limiting, such as can be similar to the trapezoidal of river levee, the appearance of filtrate body 20 Face is that have top surface and two side faces to be formed, and top surface refers to the one side that relative position is in ground, and side refers to adjacent with top surface Outer surface." outer surface " of foregoing " vegetable layer 40 is grown in an outer surface of the filtrate body 20 " can be filtrate body 20 Top surface；" another outer surface " of foregoing " microbe stuffing layer 60 is arranged on another outer surface of the filtrate body 20 " can be The two side faces of filtrate body 20.

Filtrate body 20 can fill any structure to be formed using filtrate.According to the difference of filtrate, material body can include according to The secondary stone layer 21 being stacked, haydite layer 22 and volcano rock stratum 23.Pay attention to, here, it is multiple to have Rotating fields to be stacked Object (such as film etc.) stack manner on another one surface is fitted in using one.It is sequentially overlapped and is arranged to A, B, C, D Example, refer to that an A surface sets B, B surface to set C, C surface to set D, i.e., according to a direction (such as from up to Under), A, B, C, D are arranged in order.

Stone layer 21, it is to be understood that bottommost, the i.e. position closest to ground can be laid in.Stone layer 21 Function as bed course.Stone layer 21 can include rubble.Here, rubble is through machinery by natural rock, cobble or ore Crush, be sieved into, particle diameter is more than 4.75mm rock particles.Rubble is preferably formed for cobblestone is broken.Herein, goose ovum Stone is the by-product for exploiting yellow ground, because shape is gained the name like goose ovum.Cobblestone is derived from and lived through as a kind of pure natural stone material After crustal movement before 10000000 year in the sandstone mountain as caused by ancient riverbed protuberance, mountain torrents impact, flowing water handling process experiencing In constantly extrude, rub and formed.Cobblestone can gather materials on the spot, and the planktonic algae pair such as diatom accompanying by cobblestone Sewage plays catharsis.

It is the referring to property of thickness of stone layer 21 15~25mm, such as 15mm, 16mm, 18mm, 20mm, 22mm, 24mm Or 25mm etc., preferably 20mm.

It is the referring to property of thickness of haydite layer 22 7~13mm, such as 7mm, 7.5mm, 8mm, 10mm, 11mm, 12.5mm Or 13mm, preferably 10mm etc..

Above-mentioned, the volcanic rock of volcano rock stratum 23 is also known as effusive rock (Effusive rock), belongs to magmatic rock (igneous rock) The rock that the effect such as one kind, the magma that is sprayed when being volcanic action, volcanism is condensed, diagenesis, compacting is formed.Volcanic rock can preferably be Basalt, basalt category basic volcanic rocks, by the porous stone material formed after volcano eruption, it is of great rarity.Gushed out during eruption The magma come has gas slag, solid magma, and temperature and pressure declines rapidly, chemically and physically changed, so magma is just Become basalt.Contain substantial amounts of silicon, potassium, sodium, iron, magnesium, 26 kinds of mineral elements, Yi Jitong, zinc, chromium, nickel, manganese etc..

It is the referring to property of thickness of volcano rock stratum 23 3~7mm, such as 3mm, 3.5mm, 4mm, 5mm, 6mm or 7mm etc..

Term " membrane biological reaction " refers to film being combined the Selective Separation of dusty gas with biodegradation, microorganism It is attached to Nets impregnated film surface and forms biomembrane, film both sides is respectively gas phase and liquid phase, the pollution in waste gas Material reaches biofilm surface by film and is degraded by microorganisms.Bacterium and fungi containing high concentration, pass through pumping in membrane reactor Bacterium and fungi are back to use in biological reaction tank, is suitable to processing hydroaropic substance using bacterium and fungi is suitable to processing hydrophobicity The characteristic of material, the reaction of bacteria-fungal combined biological is constructed, inoculated bacteria and fungi go respectively in the different zones of reaction Different types of pollutant in removing exhaust gas.

It is understood that microbe stuffing layer 60 includes microbe stuffing and the micro- life being dropped in microbe stuffing Thing.Microbe stuffing can use known form, such as can be inorganic filler, and such as conventional inorganic filler has：, coke, Quartz sand, activated carbon, expansion alumino-silicate etc.).Can also be organic polymer filler, for example, it is polystyrene, polyvinyl chloride, poly- Propylene PE, various types of resins, plastics (including all kinds of foamed materials), fiber etc..Shape as biofilter material can be granular, no Regular granular, fiberglass or plastics, activated carbon grain, plastic optical fibre class shape, cellular or corrugated plate shape, spherical lightweight etc..Herein, Particulate filler can be inorganic or quartz sand.Its rough surface, is easy to aufwuch, and it is strong to retain the ability of suspended contaminant, lacks Point is that resistance is big, is easily blocked.Irregular particulate filler can be Ha Kaideng balls (Hacketten) and polyhedron empty ball etc., can use Ceramic graphite, plastics or metal are made, feature be it is simple in construction, it is cheap, but fluid distrbution is uneven.Activated carbon grain：Compare table Area is big, and hole is more.Plastic optical fibre class filler is light, hard, but surface is smooth, and voidage is small, not easy to be filmed.Cellular or ripple The material of line plate-like fillers can be fiberglass or plastics (polyethylene polystyrene and polypropylene etc.), and its voidage is high, structure Simply, light but intensity is high, and antiseptic property is good, aging biology is easy to come off etc. primary disadvantage is that biology filler surface life It is long whard to control with the balance that comes off, it is difficult to obtain the spherical lightweight of homogeneous flow velocity in filler.Spherical lightweight is to use clay.

Significantly improved in order that obtaining microorganism with the compatibility of microorganism filtrate, so as to greatly reduce microorganism in filler Surface attachment grows difficulty, and forming the time of biofilm can shift to an earlier date, it is possible to provide a kind of such as Chinese patent Organism compatibility filling described in CN106430527A, it is specially：A kind of organism compatibility filling, its composition and parts by weight For：15~20 parts of methacrylic acid-beta-hydroxy ethyl ester, 1.5~3 parts of graphene oxide, 1~2 part of crosslinking agent, 15~20 parts of gelatin, 3~5 parts of enzymatic activity conditioning agent, 0.5~2 part of modifier for processing, 0.5~1 part of macromolecular adhesive, biologic packing material particle 55~ 80 parts, 5~8 parts of plasticizer, the density of the organism compatibility filling is 0.93~0.98g/cm3.Enzymatic activity conditioning agent is Refer to Fe²⁺Compound, Cu²⁺Compound, Mn²⁺Compound, Ca²⁺Compound or Zn²⁺Compound.Modifier for processing is Refer at least one of stearate, stearic acid.Crosslinking agent refers to epoxychloropropane, divinylbenzene, N, N- di-2-ethylhexylphosphine oxides third At least one of acrylamide.Methacrylic acid-beta-hydroxy ethyl ester, the mass ratio of graphene oxide are 10：(1~5).Macromolecule glue Glutinous agent refers at least one of polyamide-based, polyesters, polyurethanes.Biologic packing material particle is by macromolecule polymer material system Into organic polymer biologic packing material particle, the macromolecule polymer material be selected from polypropylene, polyethylene, polyamide, polyester, Any one in polyvinyl chloride.Plasticizer is preferably compound adjacent benzene class plasticizer.The preparation side of the organism compatibility filling Method is including step：Step 1: the gelatin is pressed 1：The solid-liquid ratio of (1~10) is dissolved in 50 DEG C of ultra-pure water, is then added The enzymatic activity conditioning agent, modifier for processing, form solution；Step 2: graphene oxide is placed in deionized water, aoxidize Graphene and the mass ratio of deionized water are 1：(5~10), ultrasonic disperse processing, are prepared into graphene oxide dispersion；Then Methacrylic acid-beta-hydroxy ethyl ester, graphene oxide dispersion, crosslinking agent are dissolved in 3~20 parts 50 DEG C of ultra-pure water, stirring is equal It is even, reaction time 5h；The suspension obtained after reaction is centrifuged, the sediment obtained after separation is cleaned dry with ultra-pure water Only, it is added in solution made from step 1, stirs, obtains mixture；Step 3: continuously stir bar in 60~120rpm Under part, macromolecular adhesive is slowly added into the mixture of step 2, forms mixed mortar；Step 4: 10 times will be diluted Plasticizer uniformly spill several times in the surface of biologic packing material particle；Then the biologic packing material particle is immersed into the mixed of step 3 In rubber alloy slurry, until mixed mortar is adhered to the surface of biologic packing material particle, taken out after being impregnated with, cool solidification, 80 DEG C of dryings, system Obtain organism compatibility filling.

The aerobic or anaerobic type microorganism that can be known in the art as the microorganism of microbe stuffing layer 60, such as can Inorganic molecules can be decomposed by the saccharomycete that is decomposed to organic matter, lactic acid bacteria, mould, black-koji mould, monascus ruber etc. Nitrobacteria, sulfide-oxidizing enzyme etc..

Above-mentioned vegetable layer 40 can be all have the plant of preferable purified water, such as can include with watermifoil, calamus, It is the water plant of representative in Scirpus tabernaemontani, canna, cyperus alternifolius, hornwort.

The outer layer of microbe stuffing layer 60 has been stacked pervious bed 80.Here, pervious bed 80 refers to water can be allowed to pass through Without allowing suspension bulky grain to pass through element.Pervious bed 80 can include filter pulp layer, porous fibre etc..The generally signified mistake of filter pulp Filter pulp (screen pack) refers to air filtration.Filter pulp is divided into four types according to the difference of material, filtrate：Synthetic fibers filter cotton, Non-woven fabrics filter cotton, glass fiber filter cotton, activated carbon filter cotton.Filter pulp can be synthetic fibers filter cotton, non-woven fabrics filtering Cotton, glass fiber filter cotton or activated carbon filter cotton etc. form.

In order to provide the skeleton of filtrate body 20, can also include to house the pervious bed 80 and microbe stuffing layer 60 Filter mesh layer 90.Here, filter screen can be gabion box.Herein, gabion box is malleable low by improved corrosion, high intensity, tool Carbon steel wire or cladding PVC above steel wire are formed using machinery braiding, and the box-structure being made using the net is exactly stone Cage net cage.According to ASTM and EN standards, used mild steel wire diameter is according to engineering design requirements and different.It is typically in the range of Between 2.0-4.0mm, the tensile strength of the gabion netting wire is no less than 38kg/m2, and coat of metal weight is generally greater than 245g/m2, The edge linear diameter of gabion mesh sheet is typically greater than sealike colour.The length that its two-wire is twisted part cannot be less than 50mm. to protect The coat of metal and PVC coating for demonstrate,proving twisting part steel splitting silk are not damaged.

As the form of other alternative filter screen, it can also be snakeskin bag, gunny etc., i.e., building stones are placed on snakeskin In bag, gunny etc..

Biological filter dam 100 of the present utility model has the advantage that：

1st, acted on using biological filter dam 100, form it into drop system, increase the oxygenation of film reaction, form biology Diversity ecological recycle system.

2nd, intensive treatment system globe area filtrate body 20 adsorb, plant absorption and technology of biological membrane.

3rd, drop stream construction system is combined, makes water body flow, realizes aeration aerating.

4th, vegetable layer 40 largely absorbs dirty water pollutant, reduces the natural ecosystem of rivers and recovers load.

5th, the anaerobic bacteria input by microbe stuffing layer 60 and aerobic bacteria collective effect, greatly increase processing load, performance It is reliable and stable.

It is above-mentioned not address part, suitable for prior art.

Although the more possibility for having used the term for representing structure, being not precluded from using other terms above.Use These terms are used for the purpose of more easily describing and explaining essence of the present utility model；It is construed as any additional Limitation all disagreed with the utility model spirit.

It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be described with power The protection domain that profit requires is defined.

Claims (10)

1. a kind of biological filter dam, it is characterised in that including a filtrate body；One vegetable layer, it is grown in an appearance of the filtrate body Face；With a microbe stuffing layer, growth has the microorganism for being intended for membrane biological reaction, is arranged on the another outer of the filtrate body Surface.

2. biological filter dam according to claim 1, it is characterised in that the filtrate body includes the building stones being cascading Layer, haydite layer and volcano rock stratum.

3. biological filter dam according to claim 2, it is characterised in that the thickness of the stone layer is 15~25mm.

4. biological filter dam according to claim 2, it is characterised in that the thickness of the haydite layer is 7~13mm.

5. biological filter dam according to claim 2, it is characterised in that the thickness of the volcano rock stratum is 3~7mm.

6. biological filter dam according to claim 2, it is characterised in that the haydite layer is flyash ceramic granulosa.

7. biological filter dam according to claim 1, it is characterised in that the outer layer of the microbe stuffing layer has been stacked Pervious bed.

8. biological filter dam according to claim 7, it is characterised in that the pervious bed is filter pulp layer.

9. biological filter dam according to claim 1, it is characterised in that the vegetable layer is water plant layer.

10. biological filter dam according to claim 7, it is characterised in that also include to house the pervious bed and micro- life The filter mesh layer of thing packing layer.