CN211871553U - Activated sludge and scenedesmus tandem type continuous flow reactor - Google Patents
Activated sludge and scenedesmus tandem type continuous flow reactor Download PDFInfo
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- CN211871553U CN211871553U CN202020311554.4U CN202020311554U CN211871553U CN 211871553 U CN211871553 U CN 211871553U CN 202020311554 U CN202020311554 U CN 202020311554U CN 211871553 U CN211871553 U CN 211871553U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses an activated sludge and scenedesmus tandem type continuous flow reactor, which relates to the technical field of municipal sewage treatment, and comprises a plurality of activated sludge ponds and a plurality of scenedesmus ponds, wherein activated sludge is placed in the activated sludge ponds, scenedesmus is placed in the scenedesmus ponds, and a plurality of activated sludge ponds and a plurality of scenedesmus ponds are sequentially connected in series and communicated; the scenedesmus pond comprises a first scenedesmus pond and a second scenedesmus pond, the front end of the first scenedesmus pond is connected with a first activated sludge pond, a second activated sludge pond is connected between the first scenedesmus pond and the second scenedesmus pond, and a third activated sludge pond is arranged behind the second scenedesmus pond; the first activated sludge tank is provided with a water inlet, and the third activated sludge tank is provided with a water outlet. The utility model discloses realize getting rid of nitrogen phosphorus and organic matter in the municipal sewage simultaneously under the continuous flow.
Description
Technical Field
The utility model relates to the technical field of municipal sewage treatment, in particular to an activated sludge and scenedesmus series continuous flow reactor.
Background
In the current municipal sewage treatment, the traditional processes of aeration, nitrification, denitrification and the like have lower removal rate of nitrogen and phosphorus in water, and particularly have difficult achievement of better denitrification effect on municipal sewage with low carbon-nitrogen ratio.
At present, the nitrogen and phosphorus removal effect can be enhanced by adding drugs or using an adsorbent, but the methods are expensive or cause secondary pollution in the water body.
Therefore, it is desirable to provide a serial continuous flow reactor with activated sludge and Scenedesmus to solve the above problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an active sludge and scenedesmus serial-type continuous flow reactor to solve the above-mentioned problem that exists among the prior art, realize getting rid of nitrogen phosphorus and organic matter in the municipal sewage simultaneously under the continuous flow.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides an activated sludge and scenedesmus tandem type continuous flow reactor, which comprises a plurality of activated sludge ponds and a plurality of scenedesmus ponds, wherein activated sludge is placed in the activated sludge ponds, scenedesmus is placed in the scenedesmus ponds, and the activated sludge ponds and the scenedesmus ponds are sequentially communicated in series; the scenedesmus pond comprises a first scenedesmus pond and a second scenedesmus pond, the front end of the first scenedesmus pond is connected with a first activated sludge pond, a second activated sludge pond is connected between the first scenedesmus pond and the second scenedesmus pond, and a third activated sludge pond is arranged behind the second scenedesmus pond; the first activated sludge tank is provided with a water inlet, and the third activated sludge tank is provided with a water outlet.
Preferably, the activated sludge is loaded on ceramsite, and the scenedesmus is settleable scenedesmus.
Preferably, the upper end of the first activated sludge tank is filled with water, and the lower end of the first activated sludge tank is filled with water.
Preferably, the water is discharged from the lower end of the first scenedesmus pool and the upper end of the first scenedesmus pool.
Preferably, the upper end of the second activated sludge tank is filled with water, and the lower end of the second activated sludge tank is filled with water.
Preferably, the water is discharged from the lower end of the second scenedesmus pool.
Preferably, the upper end of the third activated sludge tank is filled with water, and the lower end of the third activated sludge tank is filled with water.
The utility model discloses for prior art gain following technological effect:
1. the scenedesmus obtained by screening has good settleability, so that continuous flow is realized, and the cost caused by harvesting is avoided being reduced;
2. the good assimilation capability of scenedesmus on nitrogen and phosphorus is utilized, so that the removal efficiency of nitrogen and phosphorus in municipal sewage is greatly improved;
3. dissolved oxygen generated by scenedesmus is supplied to bacteria in the activated sludge for use, so that the cost of aeration is avoided;
4. the characteristics of heterotrophic activated sludge are utilized to remove the original organic matters in the municipal sewage and the organic matters generated by the scenedesmus photosynthesis.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a series continuous flow reactor of activated sludge and Scenedesmus algae according to the present invention;
FIG. 2 is a top view of the inventive activated sludge and Scenedesmus tandem continuous flow reactor;
wherein, 1, a first activated sludge tank; 2. a first grid algae pond; 3. a second activated sludge basin; 4. a second grid algae pond, 5, a third activated sludge pond, 6, a water inlet, 7 and a water outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
As shown in fig. 1-2, this embodiment provides a serial continuous flow reactor for activated sludge and scenedesmus, which includes a plurality of activated sludge ponds and a plurality of scenedesmus ponds, wherein activated sludge is placed in the activated sludge ponds, scenedesmus is placed in the scenedesmus ponds, and the activated sludge ponds and the scenedesmus ponds are sequentially connected in series and communicated; the scenedesmus pond comprises a first scenedesmus pond 2 and a second scenedesmus pond 4, the front end of the first scenedesmus pond 2 is connected with a first activated sludge pond 1, a second activated sludge pond 3 is connected between the first scenedesmus pond 2 and the second scenedesmus pond 4, and a third activated sludge pond 5 is arranged behind the second scenedesmus pond 4; the upper end of the first activated sludge pond 1 is provided with a water inlet 6, and the lower end of the third activated sludge pond 5 is provided with a water outlet 7.
In the first activated sludge tank 1 in the embodiment, the raw water passes through the first tank, the upper end of the first tank is filled with water, the lower end of the first tank is filled with water, the water is discharged directly into the first diatom tank 2, and the built-in ceramsite is used as a carrier to prevent the loss of the activated sludge.
The first grid algae pond 2 is used for leading raw water to pass through the second pond, the lower end is used for leading water to enter, the upper end is used for leading water to exit, and the effluent directly enters the second activated sludge pond 3;
a second activated sludge tank 3, wherein raw water passes through a third tank, water enters from the upper end and exits from the lower end, the structure of the second activated sludge tank is the same as that of the first activated sludge tank 1, and the effluent directly enters a second scenedesmus tank 4;
the second grid algae pond 4 is a fourth pond through which raw water passes, the lower end of the fourth pond is used for feeding water, the upper end of the fourth pond is used for discharging water, and the discharged water directly enters a third activated sludge pond 5;
the third activated sludge tank 5 is a fifth tank through which raw water passes, adopts the structure that the upper end of the fifth tank is used for water inlet and the lower end of the fifth tank is used for water outlet, and is the last stage of the reactor, and the structure of the fifth tank is the same as that of the first activated sludge tank 1.
The embodiment also discloses a sewage treatment method by using the activated sludge and scenedesmus tandem type continuous flow reactor, which comprises the following steps:
step one, the screened settleable scenedesmus is used for removing nitrogen and phosphorus in sewage and providing dissolved oxygen;
step two, loading common activated sludge on the ceramsite for removing organic matters in the municipal sewage;
and step three, respectively placing the scenedesmus and the activated sludge loaded by the ceramsite in a scenedesmus tank and an activated sludge tank which are connected in series, so that nitrogen, phosphorus and organic matters in the municipal sewage can be removed simultaneously under continuous flow.
The utility model adopts autotrophic scenedesmus to assimilate nitrogen and phosphorus elements in water, thereby greatly improving the removal rate of nitrogen and phosphorus in water; and for organic matters in water and organic matters generated when scenedesmus assimilate nitrogen and phosphorus, heterotrophic activated sludge is used for removing, and dissolved oxygen is generated by photosynthesis when microalgae assimilate nitrogen and phosphorus, so that the cost of aeration of an activated sludge tank is avoided.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (7)
1. The serial continuous flow reactor of activated sludge and scenedesmus is characterized in that: the activated sludge treatment device comprises a plurality of activated sludge ponds and a plurality of scenedesmus ponds, wherein activated sludge is placed in the activated sludge ponds, scenedesmus is placed in the scenedesmus ponds, and the activated sludge ponds and the scenedesmus ponds are sequentially communicated in series; the scenedesmus pond comprises a first scenedesmus pond and a second scenedesmus pond, the front end of the first scenedesmus pond is connected with a first activated sludge pond, a second activated sludge pond is connected between the first scenedesmus pond and the second scenedesmus pond, and a third activated sludge pond is arranged behind the second scenedesmus pond; the first activated sludge tank is provided with a water inlet, and the third activated sludge tank is provided with a water outlet.
2. The activated sludge and scenedesmus series continuous flow reactor of claim 1, characterized in that: the activated sludge is loaded on the ceramsite, and the scenedesmus is settleable scenedesmus.
3. The activated sludge and scenedesmus series continuous flow reactor of claim 1, characterized in that: the upper end of the first activated sludge tank is provided with water inlet and the lower end of the first activated sludge tank is provided with water outlet.
4. The activated sludge and scenedesmus series continuous flow reactor of claim 3, characterized in that: and the lower end of the first scenedesmus pool is filled with water and the upper end of the first scenedesmus pool is filled with water.
5. The activated sludge and scenedesmus series continuous flow reactor of claim 4, characterized in that: and the upper end of the second activated sludge tank is provided with water inlet and the lower end is provided with water outlet.
6. The activated sludge and scenedesmus series continuous flow reactor of claim 5, characterized in that: and the lower end of the second scenedesmus pool is filled with water and the upper end of the second scenedesmus pool is filled with water.
7. The activated sludge and scenedesmus series continuous flow reactor of claim 6, characterized in that: and the upper end of the third activated sludge tank is provided with water inlet and the lower end is provided with water outlet.
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| CN202020311554.4U CN211871553U (en) | 2020-03-13 | 2020-03-13 | Activated sludge and scenedesmus tandem type continuous flow reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111233159A (en) * | 2020-03-13 | 2020-06-05 | 南昌航空大学 | Activated sludge and scenedesmus tandem type continuous flow reactor and sewage treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111233159A (en) * | 2020-03-13 | 2020-06-05 | 南昌航空大学 | Activated sludge and scenedesmus tandem type continuous flow reactor and sewage treatment method |
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