CN207845443U - A kind of rural area decentralized type sewage biological and ecological processing system - Google Patents

Abstract

The utility model discloses a kind of rural area decentralized type sewage biological and ecological processing systems, including anaerobic baffled reactor, mud chamber and artificial swamp, reactor is separated into four reative cells and a return passage by demarcation strip, reative cell is filled with anaerobic grain sludge, return passage opens up refluxing opening, refluxing opening opens up water inlet by reflux pump and the first reative cell unicom, the first reative cell top；Artificial swamp is from top to bottom equipped with soil horizon, volcanic rock biological filter material layer and gravel layer, and soil surface is distributed with oenanthe stolonifera, earthworm is evenly equipped in soil.The utility model increases the height of reactor, saves floor space, suitable for individually being handled in peasant household；Using anaerobic grain sludge, shorten and start the time, improves treatment effeciency；Water outlet is directly entered earthworm artificial swamp without Aerobic Process for Treatment, is transmitted using " loosen the soil " improved effect hydraulic conductivity and dissolved oxygen of earthworm, improves wetland dirt-removing power；Promote biological synergetic clean-up effect, improves Wetland ecological purification efficiency.

Description

A kind of rural area decentralized type sewage biological and ecological processing system

Technical field

The utility model is related to technical field of sewage, and in particular to a kind of rural area decentralized type sewage biological and ecological processing System.

Background technology

Current domestic rural area decentralized type sewage is typically characterised by discharge dispersion, water fluctuation greatly, it is difficult to economical and effective It is included in urban sewage treatment system in ground.There are problems for rural area decentralized type sewage improvement：Existing urban wastewater treatment work Skill and administrative skill are not suitable with the demand of small-sized distributing countryside sewage treating；Part rural sewage treatment process and rural area at present Feature is not mutually suitable, treatment effeciency is relatively low, fluctuation of service；Treatment facility lacks the codes and standards built and checked and accepted；Pollution Attention is not yet received with village runoff pollution in the unordered discharge sanitary sewage in the higher rural area of load, and nitrogen phosphor resource does not have in country sewage It is utilized effectively；Domestic sewage in rural areas not yet establishes discharge standard, lacks the monitoring and evaluation of longtime running effect, and shortage has Imitate Supervision；China not yet establishes the organization and security mechanism of domestic sewage in rural areas improvement.Therefore it builds and is suitble to rural area The small-scale sewage treatment facility of feature, treatment in situ dispersing type point source waste water control is inevitable choice.

The center of gravity of domestic sewage disposal cause is always in the processing of municipal sewage, for suitable for the small-sized of rural feature The technology of sanitary sewage disposal only has part to study, including biological treatment and Ecological Disposal, is in the exploratory stage.It is traditional or single The common drawback of ecological engineering technology is to take up a large area, fluctuation of service, effluent quality difference etc..Municipal sewage plant Experience and single ecological engineering technology can not all solve the problems, such as small rural sanitary sewage disposal.Must by biological method with Ecological engineering organically combines, and could not only save cost and operating cost, but also can reach stable dephosphorization and denitrification effect.

Application No. is a kind of utility model patent of the Chinese patent database of CN201110148294.9 " dispersing type rural areas Domestic sewage processing system and its sewage treatment process " discloses following technical solution：At a kind of dispersed domestic sewage in rural areas Reason system, including sequentially connected anaerobic baffled reactor and composite artificial strengthen wetland, the anaerobic baffle plate reaction Device includes sequentially connected biodegradable area and muddy water settling zone, and it includes sequentially connected water that the composite artificial, which strengthens wetland, Flat drowned flow artificial wet land and vertical current constructed wetland, the filler in the horizontal drowned flow artificial wet land and vertical current constructed wetland Mixture including cobble, gravel, haydite, sand and soil and quick lime.

Above-mentioned technical proposal can be effectively treated country sewage, but the anaerobic baffled reactor of said program and compound Type artificial-strengthening wetland floor space is too big, and in actual treatment, since oxygen content is relatively low inside wetland, denitrogenation dephosphorizing effect Fruit is bad, and wetland needs to regularly replace filler, is not particularly suited for dispersed rural sewage treatment.

Utility model content

The purpose of this utility model is to provide a kind of rural area decentralized type sewage biological and ecological processing system, the processing systems Floor space is small, can make full use of rural ecological resource and rural area decentralized type sewage, stable, high treating effect is effectively treated Can solve the problems, such as small rural sanitary sewage disposal.

To achieve the goals above, the technical solution of the utility model is：

A kind of rural area decentralized type sewage biological and ecological processing system, including it is sequentially connected anaerobic baffled reactor, heavy Shallow lake room and artificial swamp, the anaerobic baffled reactor include hollow cavity, demarcation strip and baffle plate, the hollow cavity edge The length, width and height of water (flow) direction are respectively 67.5cm, 15cm and 100cm, and the demarcation strip is fixed with hollow cavity bottom surface along flow side To hollow cavity to be vertically separated into four reative cells and a return passage, i.e. the first reative cell, the second reative cell, third are reacted Room, the 4th reative cell and return passage, the reative cell is interior to be filled with anaerobic grain sludge, and outlet is equipped at the top of the reative cell Mouthful, heating rod is installed inside the reative cell；The baffle plate is fixed reative cell with hollow cavity top surface along water (flow) direction It is separated into downstream room and upstream room, the baffle plate lower edge is equipped with the deflector towards return passage, the deflector and baffling Plate is in 135 °；The return passage bottom offers refluxing opening, the refluxing opening by reflux pump and the first reative cell unicom, First reative cell offers water inlet far from one upper lateral part of mud chamber, and the water inlet passes through water inlet pipe and constant flow pump and storage Bucket connects；The artificial swamp is vertical subsurface flow wetland, and the artificial swamp side is connect with mud chamber, and the other side is set There is water outlet, soil horizon, volcanic rock biological filter material layer and gravel layer, the soil are from top to bottom equipped with successively in the artificial swamp Oenanthe stolonifera is distributed in earth surface, and earthworm is evenly equipped in the soil, and the earthworm density is 200-300/cubic meter.

Compared with prior art, the utility model has the beneficial effects that:

1, the utility model anaerobic baffled reactor increases the height of reactor, saves floor space, is suitable for Setting carries out the independent processing of sewage in peasant household's garden；Using anaerobic grain sludge as seed sludge, startup is shortened Time, system run all right improve treatment effeciency.

2, the artificial swamp of the utility model utilizes the hydraulic conductivity and molten inside " loosening the soil " improved effect of water earthworm The transmission for solving oxygen, improves the function of microorganism, significantly improves the ability of ecological soil and wetland removal pollutant；Promote biology association Same clean-up effect achievees the purpose that improve Wetland ecological purification efficiency.

3, the water outlet of the utility model anaerobic baffled reactor is without Aerobic Process for Treatment, is directly entered earthworm strengthened artificial Wetland can either meet the requirement of pollutant removal, and will not lead to the blocking of wetland.

4, heating rod is provided in the reative cell of the utility model baffled reactor, equilibrium temperature improves anaerobic reaction Rate.

5, one layer of volcanic rock biological filter material layer is provided in the utility model artificial swamp, it is anticorrosive, it is easy to form biology Film improves treatment effeciency.

Further improvement of the utility model scheme is as follows：

In order to ensure preferable flow shape and hydraulic detention time, optionally, the return passage length is 5.5cm, institute It is 15.5cm to state reative cell length, and the downstream room length is 10cm, and the upstream room length is 5.5cm.

In order to further control hydraulic detention time, the deflector lower edge is 2cm with hollow cavity bottom surface distance.

Optionally, the earthworm is peaceful No. two earthworms.

Flow covers soil horizon in order to prevent, influences earthworm living environment, and the artificial swamp soil horizon is connected with overflow Pipe.

In order to obtain better treatment effect, the root length of the oenanthe stolonifera is more than 20cm, the soil layer thickness 25- 40cm, the volcanic rock biological filter material layer and gravel layer are than soil thickness 10cm.

In order to which resource reutilization, detection need and avoid polluting the environment, the gas outlet is connected to the neat device of collection.

In order to which detection data needs, the reative cell bottom surface, which offers, takes mud mouth, and the reative cell circumferential surface offers water intaking Mouthful, the intake ground clearance is 80cm.

Description of the drawings

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar Element or part are generally identified by similar reference numeral.In attached drawing, each element or part might not be according to actual ratios It draws.

Fig. 1 is the structural schematic diagram of the embodiments of the present invention.

Fig. 2 is the structural schematic diagram of the anaerobic baffled reactor of the embodiments of the present invention.

As shown in the figure：

1, anaerobic baffled reactor；2, mud chamber；3, artificial swamp；4, demarcation strip；5, baffle plate；6, hollow cavity； 7, the first reative cell；8, the second reative cell；9, third reative cell；10, the 4th reative cell；11, return passage；12, anaerobic grain is dirty Mud；13, gas outlet；14, collect neat device；15, heating rod；16, downstream room；17, upstream room；18, deflector；19, refluxing opening； 20, reflux pump；21, water inlet；22, constant flow pump；23, water butt；24, water outlet；25, soil horizon；26, volcanic rock biological filter material Layer；27, gravel layer；28, oenanthe stolonifera；29, earthworm；30, overflow pipe；31, intake；32, mud mouth is taken.

Specific implementation mode

The embodiment of technical solutions of the utility model is described in detail below in conjunction with attached drawing.Following embodiment is only For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and this practicality cannot be limited with this Novel protection domain.

It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this reality The ordinary meaning understood with novel one of ordinary skill in the art.

In the description of the present application, it is to be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important Property or implicitly indicate the quantity of indicated technical characteristic.The meaning of " plurality " is two in the description of the present invention, More than, unless otherwise specifically defined.

In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.

In this application unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.

Fig. 1 is the structural schematic diagram of the embodiments of the present invention, and Fig. 2 is the anaerobic baffled of the embodiments of the present invention The structural schematic diagram of plate reactor.

As depicted in figs. 1 and 2, a kind of rural area decentralized type sewage biological and ecological processing system provided in this embodiment, including Sequentially connected anaerobic baffled reactor 1, mud chamber 2 and artificial swamp 3.

Anaerobic baffled reactor 1 includes hollow cavity 6, demarcation strip 4 and baffle plate 5, and hollow cavity is along water (flow) direction Length, width and height be respectively 67.5cm, 15cm and 100cm.

Demarcation strip 4 and 6 bottom surface of hollow cavity fix along water (flow) direction hollow cavity 6 is vertically separated into four reative cells and One return passage, i.e. the first reative cell 7, the second reative cell 8, third reative cell 9, the 4th reative cell 10 and return passage 11, reflux Room length is 5.5cm, and reative cell length is 15.5cm.

Baffle plate 5 is fixed with 6 upper surface of hollow cavity reative cell being separated into downstream room 16 and upstream room along water (flow) direction 17, in order to ensure preferable hydraulic detention time, the width of downstream room 16 is 10cm, and the width of upstream room is 5.5cm.Baffle plate 5 lower edges are equipped with deflector 18, and deflector 18 is towards water (flow) direction setting with baffle plate 5 in 135 ° of angles.In order to ensure preferable water The lower edge of power residence time, deflector 18 are 2cm with a distance from 6 bottom surface of hollow cavity.

Anaerobic grain sludge 12 is filled in reative cell, the top of reative cell offers gas outlet 13, gas outlet 13 It is connected to the neat device 14 of collection, is also equipped with heating rod 15 in reative cell, heating rod 15 ensure that anaerobic reaction temperature.

In order to easy to detect, reactor bottom, which offers, takes mud mouth 32, and reactor top offers intake 31, intake 31 terrain clearances are 80cm.

First reative cell 7 offers water inlet 21 far from 11 side of return passage, and it is 90cm that water inlet 21 is liftoff away from ground.Water inlet Mouth 21 is connect by water inlet pipe with constant flow pump 22 and water butt 23.

11 bottom of return passage offers refluxing opening 19, and refluxing opening 19 is connect by reflux pump 20 with water inlet pipe.Return passage 11 Far from reative cell side and 2 unicom of mud chamber, in the present embodiment 2 side of mud chamber directly with 11 top unicom of return passage, separately Side and 3 unicom of artificial swamp.

Water outlet 24 is arranged in 3 side of artificial swamp and 2 unicom of mud chamber, the other side.Artificial swamp 3 is vertical subsurface flow formula people Work wetland, artificial swamp 3 are from top to bottom disposed with soil horizon 3, volcanic rock biological filter material layer 26 and gravel layer 27, wherein soil 3 thickness of earth layer is 30 centimetres, and 26 thickness of the biological filter bed of material is 40cm, and gravel layer thickness is 40cm.

3 surface grafting of soil horizon has oenanthe stolonifera 28, and the root length of oenanthe stolonifera 28 is 25 centimetres.In soil horizon 3 also simultaneously It is evenly equipped with earthworm 29, for earthworm 29 using peace two, density is 200-300/cubic meter.

Soil horizon 3 is also associated with overflow pipe 30, impact of the heavy rain to system when overflow pipe 30 prevents rainy season, while protecting earthworm The living environment of earthworm 29, when heavy rain causes hydraulic loading excessive, sewage can directly flow away from overflow pipe 30, to protect this sewage Processing system is from impact.

A kind of rural area decentralized type sewage biological and ecological processing system provided in this embodiment, anaerobic baffled reactor 1 increase The height for having added reactor, saves floor space, is suitable for the independent processing that the setting in peasant household's garden carries out sewage；Using Anaerobic grain sludge 12 shortens the time of startup as seed sludge, and system run all right improves treatment effeciency.

The artificial swamp 3 of the present embodiment utilizes the hydraulic conductivity and dissolved oxygen inside " loosening the soil " improved effect of earthworm 29 Transmission, improve the function of microorganism, significantly improve ecological soil and wetland removal pollutant ability；It is net to promote biological synergetic Change effect, achievees the purpose that improve Wetland ecological purification efficiency.

The water outlet of anaerobic baffled reactor 1 of the present embodiment is directly entered the people of the reinforcing of earthworm 29 without Aerobic Process for Treatment Work wetland 3 can either meet the requirement of pollutant removal, and will not lead to the blocking of wetland.

Heating rod 15 is provided in the reative cell of the anaerobic baffled reactor 1 of the present embodiment, equilibrium temperature improves anaerobism Reaction rate.

One layer of volcanic rock biological filter material layer 26 is provided in the artificial swamp 3 of the present embodiment, it is anticorrosive, it is easy to form biology Film improves treatment effeciency.

The effluent quality testing result of the present embodiment is as follows：It is discharged COD (COD) 56mg/L, water outlet ammonia nitrogen 5mg/ L is discharged total nitrogen (TN) 15mg/L, is discharged total phosphorus (TP) 0.91mg/L, and effluent quality meets country-level B standard.

In the specification of the utility model, numerous specific details are set forth.It is to be appreciated, however, that the reality of the utility model Applying example can put into practice without these specific details.In some instances, well known method, knot is not been shown in detail Structure and technology, so as not to obscure the understanding of this description.

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 spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combines and combination.

Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.

Claims (8)

1. a kind of rural area decentralized type sewage biological and ecological processing system, which is characterized in that including sequentially connected anaerobic baffle plate Reactor, mud chamber and artificial swamp, the anaerobic baffled reactor include hollow cavity, demarcation strip and baffle plate, described Hollow cavity is respectively 67.5cm, 15cm and 100cm along the length, width and height of water (flow) direction, and the demarcation strip is solid with hollow cavity bottom surface It is fixed that hollow cavity is vertically separated into four reative cells and a return passage, i.e. the first reative cell, the second reaction along water (flow) direction Room, third reative cell, the 4th reative cell and return passage, the reative cell is interior to be filled with anaerobic grain sludge, the reaction ceiling Portion is equipped with gas outlet, and heating rod is equipped with inside the reative cell；The baffle plate will be fixed with hollow cavity top surface to react Room is separated into downstream room and upstream room along water (flow) direction, and the baffle plate lower edge is equipped with the deflector towards return passage, described Deflector is in 135 ° with baffle plate；The return passage bottom offers refluxing opening, and the refluxing opening passes through reflux pump and described the One reative cell unicom, first reative cell offer water inlet far from one upper lateral part of mud chamber, and the water inlet passes through water inlet Pipe is connect with constant flow pump and water butt；The artificial swamp is vertical subsurface flow wetland, the artificial swamp side and precipitation Room connects, and the other side is equipped with water outlet, and soil horizon, volcanic rock biological filter material layer are from top to bottom equipped with successively in the artificial swamp And oenanthe stolonifera is distributed in gravel layer, the soil surface, and earthworm is evenly equipped in the soil, the earthworm density is 200-300 A/cubic meter.

2. a kind of rural area decentralized type sewage biological and ecological processing system according to claim 1, which is characterized in that described time Flow chamber length is 5.5cm, and the reative cell length is 15.5cm, and the downstream room length is 10cm, and the upstream room length is 5.5cm。

3. a kind of rural area decentralized type sewage biological and ecological processing system according to claim 1, which is characterized in that described to lead Flowing plate lower edge is 2cm with hollow cavity bottom surface distance.

4. a kind of rural area decentralized type sewage biological and ecological processing system according to claim 1, which is characterized in that the earthworm Earthworm is peaceful No. two earthworms.

5. a kind of rural area decentralized type sewage biological and ecological processing system according to claim 1, which is characterized in that the people Work wetland soil layer is connected with overflow pipe.

6. a kind of rural area decentralized type sewage biological and ecological processing system according to claim 1, which is characterized in that the water The root length of celery is more than 20cm, and the soil layer thickness is 25-40cm, and the volcanic rock biological filter material layer and gravel layer are equal Than soil thickness 10cm.

7. a kind of rural area decentralized type sewage biological and ecological processing system according to claim 1, which is characterized in that it is described go out Gas port is connected to the neat device of collection.

8. a kind of rural area decentralized type sewage biological and ecological processing system according to claim 1, which is characterized in that described anti- It answers room bottom surface to offer and takes mud mouth, the reative cell circumferential surface offers intake, and the intake ground clearance is 80cm.