CN205999246U - A kind of sewage biological treatment system - Google Patents

Abstract

The utility model provides a kind of sewage biological treatment system, belong to technical field of sewage, including anaerobism groove, aeration tank, subsider, the first air lift case and the first air blast, anaerobism groove, aeration tank and subsider are sequentially communicated, the arrival end of the first air lift case passes through the first air lift pipeline communication with subsider, the port of export of the first air lift case passes through pipeline communication with anaerobism groove, one end away from the first air lift case of first air lift pipeline is connected with the first air lift case by pipeline near the bottom of subsider, the first air blast.Its simple structure, good sewage processing effect, activated sludge can be recycled, and sufficiently the utilization rate of resource maximized, reduce use cost, improve economic benefit.

Description

A kind of sewage biological treatment system

Technical field

The utility model is related to technical field of sewage, in particular to a kind of sewage biological treatment system.

Background technology

Existing sewage disposal has a variety of modes, but the treatment effect of sewage is all bad, and can not make full use of Resource, causes the wasting of resources.

Utility model content

The purpose of the utility model embodiment is to provide a kind of sewage biological treatment system, preferably improves above-mentioned asking Topic.

Embodiment of the present utility model is realized in：

Embodiment of the present utility model provides a kind of sewage biological treatment system, including anaerobism groove, aeration tank, sedimentation Groove, the first air lift case and the first air blast, the top of the anaerobism groove are provided with the first water inlet, and the bottom of the anaerobism groove is provided with First delivery port, the bottom of the aeration tank are provided with the second water inlet, and the top of the aeration tank is provided with the second delivery port, described The top of subsider is provided with the 3rd water inlet, and first delivery port is connected by the first communicating pipe with second water inlet, Second delivery port is connected by the second communicating pipe with the 3rd water inlet, the arrival end of the first air lift case with described Subsider passes through the first air lift pipeline communication, and the port of export of the first air lift case passes through pipeline communication, institute with the anaerobism groove One end away from the first air lift case of the first air lift pipeline is stated near the bottom of the subsider, first air blast leads to Piping is connected with the first air lift case.

Optionally, the sewage biological treatment system also includes the second air lift case, the arrival end of the second air lift case with Aeration tank passes through the second air lift pipeline communication, and the port of export of the second air lift case and anaerobism groove pass through pipeline communication, and described the Near the bottom of aeration tank, first air blast is also by pipeline for one end away from the second air lift case of two air lift pipelines Connect with the second air lift case.

Optionally, the sewage biological treatment system also includes the second air blast to aeration tank supply, second drum Blower fan is connected by aerated conduit with aeration tank, and one end away from second air blast of the aerated conduit is near described Two water inlets.

Optionally, the sewage biological treatment system also includes sludge sump, the sludge sump and the first air lift case The port of export passes through pipeline communication.

Optionally, the sewage biological treatment system also includes belt vacuum filter and sump, the belt vacuum Filter passes through pipeline communication with the sludge sump, and the belt vacuum filter passes through pipeline communication, institute with the sump State sump to be provided with and can allow sewage from the sump along pipeline flow-direction by pipeline communication and pipeline with the subsider The check valve of the subsider.

Optionally, the sewage biological treatment system also includes sour tank and alkali tank, and the acid tank is passed through with the anaerobism groove Pipeline communication and pipeline are provided with the first sour pump, and the alkali tank is with the anaerobism groove is by pipeline communication and pipeline is provided with first Alkali pump, is provided with a PH detector in the anaerobism groove, a PH detector is used for detecting pH value and the control in anaerobism groove Make the described first sour pump and first alkali pump.

Optionally, the acid tank is provided with the second sour pump, the alkali tank with the aeration tank by pipeline communication and pipeline With the aeration tank is by pipeline communication and pipeline is provided with the second alkali pump, the 2nd PH detector, institute in the aeration tank, is provided with The 2nd PH detector is stated for detecting the pH value in aeration tank and controlling the described second sour pump and second alkali pump.

Optionally, the sewage biological treatment system also includes clear liquid groove, and the clear liquid groove is connected with the subsider.

Optionally, the first agitator is provided with the subsider.

Optionally, the second agitator is provided with, second agitator is away from first delivery port in the anaerobism groove；Institute State in anaerobism groove and be additionally provided with ORP detector and DO detector.

Embodiment of the present utility model has the advantages that：

The utility model simple structure, good sewage processing effect, activated sludge can be recycled, sufficiently resource Utilization rate is maximized, and is reduced use cost, is improve economic benefit.

Description of the drawings

In order to be illustrated more clearly that the technical scheme of the utility model embodiment, below will be to using needed for embodiment Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.

Fig. 1 is the structural representation of sewage biological treatment system of the present utility model；

Fig. 2 is the structural representation of anaerobism groove；

Fig. 3 is the structural representation of aeration tank；

Fig. 4 is the structural representation of subsider.

In figure reference is：

Anaerobism groove 10, the first bottom 101, the first side wall 102, the first top 103, the first water inlet 104, the first delivery port 105th, the second agitator 106；

Aeration tank 20, the second bottom 201, second sidewall 202, the second top 203, the second water inlet 204, the second delivery port 205；

Subsider 30, the 3rd bottom 301, the 3rd side wall 302, the 3rd water inlet 303, cannelure 304, the 3rd delivery port 305th, the first agitator 306；

First air lift case 40, the first air blast 41, the first communicating pipe 42, the second communicating pipe 43, the second air blast 44, aeration Pipeline 45, the first air lift pipeline 46, the second air lift case 47, the second air lift pipeline 48, sour tank 49, the sour pump 51 of alkali tank 50, first, the One alkali pump 52, a 53, second sour pump 54 of PH detector, the second alkali pump 55, the 2nd PH detector 56；

Clear liquid groove 60, discharge outlet 601；

Sludge sump 70, sump 71, submerged pump 72, belt vacuum filter 73.

Specific embodiment

Purpose, technical scheme and advantage for making the utility model embodiment is clearer, new below in conjunction with this practicality Accompanying drawing in type embodiment, is clearly and completely described to the technical scheme in the utility model embodiment, it is clear that retouched The embodiment that states is a part of embodiment of the utility model, rather than whole embodiments.Generally described in accompanying drawing herein and The component of the utility model embodiment for illustrating can be arranged and be designed with a variety of configurations.

Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art, all Belong to the scope of the utility model protection.

It should be noted that in the case of not conflicting, the embodiment in the utility model and the feature in embodiment can To be mutually combined.

It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then which need not be defined further and explain in subsequent accompanying drawing.

In description of the present utility model, it should be noted that the instruction such as term " top ", " bottom ", " interior ", " outward " Orientation or position relationship are based on orientation shown in the drawings or position relationship, or usually put during the utility model product use The orientation that puts or position relationship, or the usual orientation for understanding of those skilled in the art or position relationship, or the practicality Novel product using when the orientation usually put or position relationship, be for only for ease of description the utility model and simplify description, Rather than indicate or the hint device of indication or element must with specific orientation, with specific azimuth configuration and operation, because This is it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, And it is not intended that indicating or hint relative importance.

In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " sets Put ", should be interpreted broadly " being connected ", " connection ", for example, it may be fixedly connected, or be detachably connected, or integratedly Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

Embodiment：

With reference to shown in Fig. 1, embodiment of the present utility model provides a kind of sewage biological treatment system, including anaerobism groove 10th, aeration tank 20, subsider 30, the first air lift case 40 and the first air blast 41.

With reference to shown in Fig. 2, anaerobism groove 10 is the chamber surrounded by the first bottom 101, the first side wall 102 and the first top 103 Body, the first top 103 are provided with the first water inlet 104, and the position near the first bottom 101 of the first side wall 102 is provided with first and goes out The mouth of a river 105.

With reference to shown in Fig. 3, aeration tank 20 is the chamber surrounded by the second bottom 201, second sidewall 202 and the second top 203 Body, the position near the second bottom 201 of second sidewall 202 are provided with the second water inlet 204, second sidewall 202 near first The position at top 103 is provided with the second delivery port 205.

With reference to shown in Fig. 4, subsider 30 is the chamber with openend surrounded by the 3rd bottom 301 and the 3rd side wall 302 Body, the position of the close openend of the 3rd side wall 302 are provided with the 3rd water inlet 303, the close openend of the 3rd side wall 302 interior Side wall is provided with cannelure 304, and the lateral wall of cannelure 304 is provided with the 3rd delivery port 305.

With reference to shown in Fig. 1, the first delivery port 105 in anaerobism groove 10 is passed through with the second water inlet 204 on aeration tank 20 First communicating pipe 42 connected, and the second delivery port 205 on aeration tank 20 passes through second with the 3rd water inlet 303 on subsider 30 Communicating pipe 43 connects.

All contain a lot of organic pollutions in sanitary sewage and industrial wastewater, if be directly discharged in environment, can be to ring Border pollutes, and therefore sanitary sewage or industrial wastewater will be processed and discharge again.

The organic pollution contained in sanitary sewage and industrial wastewater can pass through anaerobe handle under anaerobic Which carries out decomposition and inversion for inorganic matter.

Anaerobism groove 10 mainly provides Anaerobic Treatment environment for the process of sewage, equipped with the work containing anaerobic bacteria in anaerobism groove 10 Property sludge, sewage added in anaerobism groove 10 from the first water inlet 104, and sewage is decomposed process in anaerobism groove 10 so that sewage In pollutant reduce.

By also containing some pollutants in the sewage after resolution process in anaerobism groove 10, if be directly emitted, Or surrounding environment can be polluted, in order to reduce pollution of the sewage for emitting to environment.Also need to through anaerobism The sewage that groove 10 was processed is processed again.In the present embodiment, arrange aeration tank 20 to reprocess sewage.Anaerobism groove 10 On the first delivery port 105 with the second water inlet 204 on aeration tank 20 by connecting the first communicating pipe 42.So, passing through The sewage that anaerobism groove 10 was processed just can flow into aeration tank 20 along the first communicating pipe 42.In order that the sewage in anaerobism groove 10 is anti- More fully the second agitator 106 should can be set in anaerobism groove 10, the second agitator 106 is positioned close to anaerobism groove 10 Bottom and the first delivery port 105 away from anaerobism groove 10.

Aeration tank 20 mainly provides Aerobic biological process environment for sewage.Contain aerobic microbiological in sewage, in aerobic Under environment, aerobic microbiological resolves into more stable inorganic matter the organic pollution in sewage.

It should be noted that the Aerobic biological process of sewage, needs the continual supply oxygen in aeration tank 20, because Oxygen is the last hydrogen acceptor of organic matter, just because of the transfer of this hydrogen, just discharges energy, becomes bacterium vital movement The energy with synthesis neoblast material.In the present embodiment, using the second air blast 44 oxygen provided in aeration tank 20, second Air blast 44 blow out air be transported in aeration tank 20 by aerated conduit 45, aerated conduit 45 away from the second air blast 44 One end near the second water inlet 204 of aeration tank 20, so, be flowed into the sewage in aeration tank 20 from the second water inlet 204 Will be with the air contact being passed through from aerated conduit 45 so that oxygen sufficiently can be dissolved in sewage, it is the aerobic of sewage Biological treatment provides sufficient oxygen.Meanwhile, the sewage in aeration tank 20 can be filled under the air effect that the second air blast 44 blows out Divide mixing so that aerobic reaction is more abundant.So as to as far as possible the pollutant in sewage be decomposed, it is ensured that be discharged in environment Sewage surrounding environment will not be polluted.

Also contain sludge components in the sewage that discharges from aeration tank 20, if the sewage containing sludge components is directly arranged Run out, surrounding environment can be polluted.Accordingly, it would be desirable to the sewage to discharging from aeration tank 20 carries out desliming process.? In the present embodiment, arranging subsider 30 carries out desliming process to sewage.The second delivery port 205 and subsider 30 on aeration tank 20 On the 3rd water inlet 303 by connecting the second communicating pipe 43.Sewage from the outflow of aeration tank 20 is by flowing the second communicating pipe 43 Enter in subsider 30, sewage in subsider 30 can natural subsidence, make separation of solid and liquid, in order to prevent 30 bottom of subsider Sludge deposits, and can arrange the first agitator 306 in subsider 30, and the first agitator 306 passes through Motor drive.In subsider The supernatant liquor that separates in 30 can be expelled directly out, and the sludge for being deposited to 30 bottom of subsider can also be discharged and be transported Appointed place is placed.

It should be noted that in order to make full use of water resource, can the upper strata that separated in subsider 30 is clear Liquid is collected, and can arrange clear liquid groove 60 to collect the supernatant liquor in subsider 30, and clear liquid groove 60 is arranged on subsider 30 The 3rd delivery port 305 at.Water in clear liquid groove 60 can be transported to where needing to use water.Certainly, clear liquid groove 60 is filled Water can also be discharged by the discharge outlet 601 of 60 bottom of clear liquid groove afterwards, valve at discharge outlet 601, can be provided with.

Activated sludge in anaerobism groove 10 is constantly reduced with the guild of entering of reaction, and the minimizing of activated sludge can affect anaerobism The resolution process of sewage in groove 10, it is impossible to be met the waste water of requirement.Accordingly, it would be desirable to timing is to supplementing activity in anaerobism groove 10 Sludge, it is ensured that the sewage in anaerobism groove 10 can carry out sufficient resolution process.Sludge in subsider 30 has certain work Property, in order to resource is made full use of, the sludge in subsider 30 can be transported in anaerobism groove 10, be the decomposition in anaerobism groove 10 Reaction provides sufficient activated sludge.In the present embodiment, using the first air lift case 40 the activated sludge of 30 bottom of subsider It is transported in anaerobism groove 10.The arrival end of the first air lift case 40 is connected by the first air lift pipeline 46 with subsider 30, the first gas The port of export of suitcase 40 and anaerobism groove 10 are provided with valve by pipeline communication and pipeline, the first air lift pipeline 46 away from first One end of air lift case 40 is connected with the first air lift case 40 by pipeline near the bottom of subsider 30, the first air blast 41, and first Air blast 41 can make the first air lift case 40 work, in the presence of the first air lift case 40, the activated sludge of 30 bottom of subsider Pipeline between the first air lift pipeline 46 and the first air lift case 40 and anaerobism groove 10 is flowed in anaerobism groove 10.

Certainly, after recycled for multiple times, activity reduces the activated sludge in subsider 30, if continued sludge is defeated It is sent in anaerobism groove 10, does not have any facilitation to the anaerobic reaction in anaerobism groove 10, or even the accumulation of sludge can be caused, and And block pipeline, so, sludge relatively low for the activity in subsider 30 is discharged, is also contained in the sludge of 30 bottom of subsider Large quantity of moisture, if directly the sludge containing large quantity of moisture being expelled directly out, being not only inconvenient to transport, can also cause dirt to environment Dye.Mud discharging can be carried out processed in sludge sump 70.In the present embodiment, by the first air lift case 40 sedimentation , in sludge sump 70, the port of export of the first air lift case 40 is with sludge sump 70 by pipeline communication and pipe for the mud discharging of 30 bottom of groove Road is provided with valve, and the sludge of 30 bottom of subsider can be along first gas pipeline and first in the presence of the first air lift case 40 Pipeline between air lift case 40 and sludge sump 70 flows into sludge sump 70.Sludge in sludge sump 70 passes through natural subsidence, makes solid-liquid Separate, then the liquid in sludge sump 70 and sludge can be discharged.

In order to rationally utilize the water resource that separates in sludge sump 70, and the water that sludge sump 70 is separated is carried out Filter further, sump 71 can be set, sump 71 passes through pipeline communication with sludge sump 70, separates in sludge sump 70 Water can by discharge of pipes in sump 71.Certainly, the water in sump 71 can also be re-delivered to subsider 30 In filtered, while can also be rinsed to subsider 30.In order to the water in sump 71 is transported to subsider In 30, submerged pump 72 can be set in sump 71, submerged pump 72 is provided with by pipeline communication and pipeline with subsider 30 Check valve, submerged pump 72 can be transported to the water in sump 71 in subsider 30.

Also contain some moisture in sedimentation separation sludge out in sludge sump 70, for the ease of focusing on to sludge, Make the moisture in sludge few as far as possible, further processed can be carried out to the sludge that discharges in sludge sump 70.Can set Belt vacuum filter 73 is put to the further processed of sludge.Belt vacuum filter 73 and sludge sump 70 are connected by pipeline Logical, the sludge in sludge sump 70 can be along pipeline in belt vacuum filter 73.After belt vacuum filter 73 is filtered Sludge moisture content relatively low, can directly transport, be placed into appointed place.The water that belt vacuum filter 73 is obtained after filtering can , by discharge of pipes in sump 71, to be then transported in subsider 30 by submerged pump 72 again and be filtered.

It should be noted that the sludge contained in sewage has partly precipitated to the bottom of aeration tank 20 in aeration tank 20 Portion, the sludge of 20 bottom of aeration tank can form local anaerobic environment through accumulation after a while, can be defeated for this partial sludge Deliver in anaerobism groove 10, be that anaerobism groove 10 provides sufficient activated sludge.In the present embodiment, the second air lift case 47 is set exposure The sludge of 20 bottom of air drain is delivered in anaerobism groove 10, and the arrival end of the second air lift case 47 passes through the second stripping tube with aeration tank 20 Road 48 is connected, and the port of export of the second air lift case 47 and anaerobism groove 10 pass through pipeline communication, the second air lift pipeline 48 away from second One end of air lift case 47 is connected with the first air blast 41 also by pipeline near the bottom of aeration tank 20, the second air lift case 47.

In anaerobism groove 10, the acid-base value of solution can affect the anaerobic reaction in anaerobism groove 10, the acid-base value meeting in aeration tank 20 Aerobic reaction in impact aeration tank 20.In order to ensure in anaerobism groove 10 and aeration tank 20 sufficiently to decompose sewage Process, need to keep suitable acid-base value.Aerobic reaction and anaerobic reaction can all cause the change of solution acid alkalinity, therefore, when When acid-base value portion satisfaction in anaerobism groove 10 or aeration tank 20 is required, acid or alkali in needing to anaerobism groove 10 or aeration tank 20, is added Require meet anaerobism groove 10 or the acid-base value in aeration tank 20.In the present embodiment, sour tank 49 and alkali tank 50, sour tank are set 49 are provided with the first sour pump 51 with anaerobism groove 10 by pipeline communication and pipeline, alkali tank 50 and anaerobism groove 10 by pipeline communication and Pipeline is provided with the first alkali pump 52, is provided with a PH detector 53 in anaerobism groove 10, and a PH detector 53 is used for detecting anaerobism PH value in groove 10 and the first sour pump 51 and the first alkali pump 52 is controlled to work.

Certainly, sour tank 49 is provided with the second sour pump 54, alkali tank 50 and aeration with aeration tank 20 by pipeline communication and pipeline Groove 20 is by pipeline communication and pipeline is provided with the second alkali pump 55, is provided with the 2nd PH detector 56 in aeration tank 20, and the 2nd PH is examined Surveying instrument 56 is used for detecting the pH value in aeration tank 20 and controlling the second sour pump 54 and the second alkali pump 55 to work.

ORP detector and DO detector is also provided with anaerobism groove 10, can so be allowed staff grasp at any time and be detested Reaction environment in oxygen groove 10.

DO detector can also be provided with aeration tank 20, can so allow staff grasp at any time anti-in aeration tank 20 Answer environment.

Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.All of the present utility model spirit and principle Within, any modification, equivalent substitution and improvement that is made etc., should be included within protection domain of the present utility model.

Claims (10)

1. a kind of sewage biological treatment system, it is characterised in that including anaerobism groove, aeration tank, subsider, the first air lift case and One air blast, the top of the anaerobism groove are provided with the first water inlet, and the bottom of the anaerobism groove is provided with the first delivery port, the exposure The bottom of air drain is provided with the second water inlet, and the top of the aeration tank is provided with the second delivery port, and the top of the subsider is provided with 3rd water inlet, first delivery port are connected by the first communicating pipe with second water inlet, second delivery port with 3rd water inlet was connected by the second communicating pipe, and the arrival end of the first air lift case passes through the first gas with the subsider Pipeline communication is carried, the port of export of the first air lift case passes through pipeline communication with the anaerobism groove, the first air lift pipeline Near the bottom of the subsider, first air blast passes through pipeline and described first for one end away from the first air lift case Air lift case is connected.

2. sewage biological treatment system according to claim 1, it is characterised in that the sewage biological treatment system is also wrapped The second air lift case is included, the arrival end of the second air lift case passes through the second air lift pipeline communication, second air lift with aeration tank The port of export of case passes through pipeline communication with anaerobism groove, and one end away from the second air lift case of the second air lift pipeline is close The bottom of aeration tank, first air blast are connected with the second air lift case also by pipeline.

3. sewage biological treatment system according to claim 1, it is characterised in that the sewage biological treatment system is also wrapped The second air blast to aeration tank supply is included, second air blast is connected by aerated conduit with aeration tank, the aeration tube The one end away from second air blast in road is near second water inlet.

4. sewage biological treatment system according to claim 1, it is characterised in that the sewage biological treatment system is also wrapped Sludge sump is included, the sludge sump passes through pipeline communication with the port of export of the first air lift case.

5. sewage biological treatment system according to claim 4, it is characterised in that the sewage biological treatment system is also wrapped Belt vacuum filter and sump is included, the belt vacuum filter passes through pipeline communication, the belt with the sludge sump Vacuum filter passes through pipeline communication with the sump, and the sump is with the subsider by pipeline communication and pipeline Be provided with can allow sewage from the sump along subsider described in pipeline flow-direction check valve.

6. sewage biological treatment system according to claim 1, it is characterised in that the sewage biological treatment system is also wrapped Include sour tank and alkali tank, the acid tank and the anaerobism groove are provided with the first sour pump by pipeline communication and pipeline, the alkali tank with The anaerobism groove is by pipeline communication and pipeline is provided with the first alkali pump, is provided with a PH detector in the anaerobism groove, described First PH detector is used for detecting the pH value in anaerobism groove and controlling the described first sour pump and first alkali pump.

7. sewage biological treatment system according to claim 6, it is characterised in that the acid tank is passed through with the aeration tank Pipeline communication and pipeline are provided with the second sour pump, and the alkali tank is with the aeration tank is by pipeline communication and pipeline is provided with second Alkali pump, is provided with the 2nd PH detector in the aeration tank, the 2nd PH detector is used for detecting pH value and the control in aeration tank Make the described second sour pump and second alkali pump.

8. sewage biological treatment system according to claim 1, it is characterised in that the sewage biological treatment system is also wrapped Clear liquid groove is included, the clear liquid groove is connected with the subsider.

9. sewage biological treatment system according to claim 1, it is characterised in that be provided with the first stirring in the subsider Device.

10. sewage biological treatment system according to claim 1, it is characterised in that be provided with second in the anaerobism groove and stir Device is mixed, second agitator is away from first delivery port；

ORP detector and DO detector is additionally provided with the anaerobism groove.