CN115991540B - Autotrophic denitrification sewage treatment equipment - Google Patents
Autotrophic denitrification sewage treatment equipment Download PDFInfo
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- CN115991540B CN115991540B CN202310286132.4A CN202310286132A CN115991540B CN 115991540 B CN115991540 B CN 115991540B CN 202310286132 A CN202310286132 A CN 202310286132A CN 115991540 B CN115991540 B CN 115991540B
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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 invention discloses autotrophic denitrification sewage treatment equipment which comprises a tank body capable of treating sewage, wherein the tank body is integrally cylindrical, a first circular groove is formed in the tank body, a rotatable filter plate, a deoxidization filler layer and a denitrification filler layer are sequentially arranged in the first circular groove from bottom to top, and a separation part is further vertically arranged in the first circular groove. According to the sewage treatment device, sewage in the sewage tank flows to the water inlet area under the action of the separation component, the sewage is enabled to pass through the filter plate, the deoxidization filler layer and the denitrification filler layer, the aim of sewage denitrification is achieved, and finally the sewage is discharged into the clean water tank through the first clean water pipe, meanwhile, part of clean water in the clean water tank is flushed into the first circular groove through the second clean water pipe, the filter plate, the deoxidization filler layer and the denitrification filler layer are flushed, and the flushed sewage enters the sewage tank through the second sewage pipe, so that the sewage denitrification treatment and flushing operations can be adopted at the same time, and the sewage treatment efficiency is improved.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to autotrophic denitrification sewage treatment equipment.
Background
The nitrogen pollutants are one of key factors for inducing eutrophication of water, and reducing the nitrogen content in sewage has important significance for environmental protection.
Patent document with publication number of CN114560559A and the name of autotrophic denitrification sewage treatment equipment discloses autotrophic denitrification sewage treatment equipment, which is characterized by comprising an autotrophic denitrification tank; a denitrification filler layer is arranged in the autotrophic denitrification tank, the filler of the denitrification filler layer comprises a self-active denitrification and dephosphorization carrier material, and the self-active denitrification and dephosphorization carrier material comprises a sulfur-containing carrier, a weakly alkaline mineral material, an iron-based material and a microorganism growth promoter; the weakly alkaline mineral material, the iron-based material and the microorganism growth promoter are filled in the sulfur-containing carrier in a dispersing way; the sulfur-containing carrier is a porous carrier material loaded with sulfur.
The technical scheme can obtain higher denitrification efficiency and stable denitrification effect, so that the denitrification efficiency of the sewage treatment equipment can be effectively improved, and the synchronous dephosphorization effect can be obtained, but the inventor discovers that the following defects exist in the technical scheme:
after sewage is treated for a period of time, the autotrophic denitrification tank can be used for flushing the denitrification filler layer and the deoxidization filler layer by adopting a flushing mechanism so as to keep the sewage denitrification treatment efficiency, but in the flushing process, the autotrophic denitrification tank is required to stop the sewage treatment, namely, the autotrophic denitrification tank cannot be used for simultaneously carrying out the sewage denitrification treatment and flushing operation, so that the sewage treatment efficiency is reduced.
Disclosure of Invention
The invention aims to provide autotrophic denitrification sewage treatment equipment which can simultaneously adopt the operations of sewage denitrification treatment and flushing and improve the sewage treatment efficiency.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an autotrophic denitrification sewage treatment device, includes the cell body that can be to sewage treatment, the cell body is whole to be the cylinder form, first circular slot has been seted up in the cell body, rotatable filter plate, deoxidization filler layer and denitrification filler layer have been set gradually from bottom to top in the first circular slot still vertical being provided with partition member in the first circular slot, partition member is equal filter plate, deoxidization filler layer and denitrification filler layer, partition member can with first circular slot is divided into two at least independent spaces, through drive member control rotation on filter plate, deoxidization filler layer and denitrification filler layer for independent space is corresponding rotatory, sewage treatment device still includes effluent water sump and clean water sump, the effluent water sump pass through first sewage pipe and second sewage pipe with first circular slot intercommunication, the clean water sump all is provided with the valve that has the function of opening and closing on each pipeline through first clean water pipe and second clean water pipe intercommunication.
Preferably, the tank body is provided with three annular grooves, the annular grooves are communicated with the first circular groove, and the filter plate, the deoxidizing filler layer and the denitrifying filler layer are respectively connected with the three annular grooves in a sliding manner through limiting rings.
Preferably, the partition member includes a plurality of partition plates fixedly connected to the filter plate, the deoxidizing filler layer, and the denitrifying filler layer, respectively.
Preferably, the driving component comprises a second circular groove formed in the tank body, the second circular groove is located below the first circular groove, a rotating motor is fixedly installed in the second circular groove, and an output shaft of the rotating motor extends upwards and is transmitted into the first circular groove and is fixedly connected with the partition plate.
Preferably, the filter plate is circular and is matched with the first circular groove, a plurality of filter holes are formed in the filter plate, the filter plate is separated from the bottom of the first circular groove by a certain distance, a water inlet area is formed, and the water inlet area is communicated with the first sewage pipe and the second sewage pipe.
Preferably, the deoxidizing filler layer is round and is matched with the first round groove, and the deoxidizing filler layer is made of sponge iron and is separated from the filter plate by a certain distance.
Preferably, the denitrification filler layer comprises a fixed part, the fixed part is provided with at least two fixed chambers, a self-active denitrification and dephosphorization carrier is arranged in the fixed chambers, the self-active denitrification and dephosphorization carrier comprises a sulfur-containing carrier, a weak alkaline mineral material, an iron-based material and a microorganism growth promoter, the denitrification filler layer is separated from the top of the first circular groove by a certain distance to form a water outlet area, and the water outlet area is communicated with the first water purifying pipe and the second water purifying pipe.
Preferably, the fixed part is a disc, the fixed containing chambers on the disc are semicircular, the two fixed containing chambers are symmetrically arranged on the disc, and the self-active denitrification and dephosphorization carrier arranged in the fixed containing chambers is limited by the limiting component.
Preferably, the limiting component comprises four rectangular grooves and four slotted holes, wherein the four rectangular grooves and the four slotted holes are formed in the disc, the corresponding rectangular grooves are communicated with the corresponding slotted holes, the rectangular grooves are provided with rectangular plates in an adapting mode, through holes are formed in the rectangular plates, two corresponding rectangular plates are fixedly connected with baffle plates together, the baffle plates are inserted into the through holes and the slotted holes through bolts, and the baffle plates press the self-active denitrification and dephosphorization carrier.
Preferably, the top of the tank body is openable, a hydraulic cylinder is fixedly arranged on the outer wall of the tank body, and an output shaft of the hydraulic cylinder is fixedly connected with the top of the tank body.
Compared with the prior art, the invention has the beneficial effects that:
according to the sewage treatment device, under the action of the separation component, the first sewage pipe and the second sewage pipe are not communicated with each other in the first circular groove, so that sewage in the sewage tank flows to the water inlet area, the sewage passes through the filter plate, the deoxidization filler layer and the denitrification filler layer, the aim of sewage denitrification is achieved, and finally the sewage is discharged into the water purifying tank through the first water purifying pipe, meanwhile, part of purified water in the water purifying tank is flushed into the first circular groove through the second water purifying pipe, the filter plate, the deoxidization filler layer and the denitrification filler layer are flushed, and the flushed sewage enters the sewage tank through the second sewage pipe, so that the sewage denitrification treatment and flushing operations can be simultaneously adopted, and the sewage treatment efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of an autotrophic denitrification nitrogen removal sewage treatment device according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of a tank body in autotrophic denitrification sewage treatment equipment;
FIG. 3 is a schematic diagram of the construction of denitrification filler layer in an autotrophic denitrification sewage treatment device according to the present invention;
fig. 4 is a schematic diagram showing the structural decomposition among the disc, the baffle and the bolt in the autotrophic denitrification sewage treatment device.
In the figure:
10. a cell body; 11. a first circular groove; 12. a filter plate; 13. a deoxidizing filler layer; 14. a denitrification filler layer; 15. a first sewer pipe; 16. a second sewer pipe; 17. a first water purifying pipe; 18. a second water purifying pipe;
20. a ring groove; 21. a limiting ring; 22. a partition plate; 23. a second circular groove; 24. filtering holes; 25. a self-active denitrification and dephosphorization carrier; 26. a disc; 27. rectangular grooves; 28. a slot hole; 29. a rectangular plate; 210. a through hole; 211. a baffle; 212. a plug pin;
30. a hydraulic cylinder; 31. and rotating the motor.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
Referring to fig. 1 to 4, an autotrophic denitrification sewage treatment device comprises a tank body 10 capable of treating sewage, wherein the tank body 10 is integrally cylindrical, a first circular groove 11 is formed in the tank body 10, a rotatable filter plate 12, a deoxidizing filler layer 13 and a denitrification filler layer 14 are sequentially arranged in the first circular groove 11 from bottom to top, a separation part is vertically arranged in the first circular groove 11, the separation part equally divides the filter plate 12, the deoxidizing filler layer 13 and the denitrification filler layer 14, the separation part can divide the first circular groove 11 into at least two independent spaces, the rotation of the filter plate 12, the deoxidizing filler layer 13 and the denitrification filler layer 14 is controlled through a driving part, the independent spaces are correspondingly rotated, the sewage treatment device further comprises a sewage tank and a clean water tank, the sewage tank is communicated with the first circular groove 11 through a first clean water pipe 17 and a second clean water pipe 18, and the first circular groove 11 are communicated, and valves with opening and closing functions are respectively arranged on the respective pipelines.
Wherein the lagoons and the clean water lagoons are not shown in the drawings, but are prior art containers for temporary storage of sewage and clean water;
under the action of the separation component, the first sewage pipe 15 and the second sewage pipe 16 are not communicated with each other in the first circular groove 11, the first water purifying pipe 17 and the second water purifying pipe 18 are not communicated with each other in the first circular groove 11, so that sewage in the sewage tank flows to a water inlet area, the entered sewage can be subjected to preliminary filtration treatment through the filter plate 12, dissolved oxygen in the sewage can be effectively removed through the deoxidization filler layer 13, the influence of the dissolved oxygen on denitrification is reduced, the purpose of sewage denitrification is achieved through the deoxidization filler layer 14, and finally the sewage is discharged into the water purifying tank through the first water purifying pipe 17, meanwhile, part of the purified water in the water purifying tank is flushed into the first circular groove 11 through the second water purifying pipe 18, the filter plate 12, the deoxidization filler layer 13 and the deoxidization filler layer 14 are flushed, and the flushed sewage enters the sewage tank through the second sewage pipe 16, so that the operation of denitrification treatment and flushing of the sewage can be simultaneously adopted, and the sewage treatment efficiency is improved;
it should be noted that, the controller may be used to electronically control the four valves on the first sewage pipe 15, the second sewage pipe 16, the first clean water pipe 17 and the second clean water pipe 18, and control the opening and closing of the valves on each pipeline according to the process flow; a water pump can be arranged in the clean water tank, so that the flushing force in the flushing flow is enhanced.
Further, the tank body 10 is provided with three ring grooves 20, the ring grooves 20 are communicated with the first circular groove 11, and the filter plate 12, the deoxidizing filler layer 13 and the denitrification filler layer 14 are respectively connected with the three ring grooves 20 in a sliding manner through limiting rings 21.
The inner diameter of the ring groove 20 is the same as the diameter of the first circular groove 11, the outer diameter of the ring groove 20 is smaller than the diameter of the tank body 10, and the heights of the filter plate 12, the deoxidizing filler layer 13 and the denitrifying filler layer 14 in the first circular groove 11 can be determined by the arrangement of the ring groove 20 and the limiting ring 21.
Further, the partition member includes a plurality of partition plates 22, and the plurality of partition plates 22 are fixedly connected to the filter sheet 12, the deoxidizing filler layer 13, and the denitrification filler layer 14, respectively.
Referring to fig. 2, the respective heights of the plurality of partition plates 22 are different and mainly adapted to the distances between the filter plate 12, the deoxidizing filler layer 13, and the denitrifying filler layer 14, the distances between the filter plate 12 and the top of the first circular groove 11, and the distances between the denitrifying filler layer 14 and the bottom of the first circular groove 11.
Further, the driving component includes a second circular groove 23 formed in the tank body 10, the second circular groove 23 is located below the first circular groove 11, a rotating motor 31 is fixedly installed in the second circular groove 23, the rotating motor 31 is in the prior art, and an output shaft of the rotating motor 31 extends upwards and is transferred into the first circular groove 11 and is fixedly connected with the partition plate 22.
Further, the filter plate 12 is circular in shape and is matched with the first circular groove 11, a plurality of filter holes 24 are formed in the filter plate 12, a distance is formed between the filter plate 12 and the bottom of the first circular groove 11, and a water inlet area is formed and communicated with the first sewage pipe 15 and the second sewage pipe 16.
Further, the deoxidizing filler layer 13 is round and is matched with the first round groove 11, and the deoxidizing filler layer 13 is made of sponge iron and is separated from the filter plate 12 by a certain distance.
Specifically, when the sewage containing dissolved oxygen passes through the deoxidizing filler layer 13, oxygen in the sewage and iron can be rapidly and thoroughly oxidized due to the existence of iron element and the loose porous internal structure, so that the influence of the dissolved oxygen on the denitrification effect is reduced.
Further, the denitrification filler layer 14 comprises a fixed part, the fixed part is provided with at least two fixed chambers, the self-active denitrification and dephosphorization carrier 25 is arranged in the fixed chambers, the self-active denitrification and dephosphorization carrier 25 comprises a sulfur-containing carrier, a weak alkaline mineral material, an iron-based material and a microorganism growth promoter, the denitrification filler layer 14 is separated from the top of the first circular groove 11 by a certain distance to form a water outlet area, and the water outlet area is communicated with the first water purifying pipe 17 and the second water purifying pipe 18.
Further, the fixing part is a disc 26, the fixing chambers on the disc 26 are semicircular, the two fixing chambers are symmetrically arranged on the disc 26, and the self-active denitrification and dephosphorization carrier 25 arranged in the fixing chambers is limited by the limiting component.
Further, the limiting component comprises four rectangular grooves 27 and four slotted holes 28 formed in the disc 26, the corresponding rectangular grooves 27 are communicated with the corresponding slotted holes 28, the rectangular grooves 27 are provided with rectangular plates 29 in an adapting mode, through holes 210 are formed in the rectangular plates 29, the two corresponding rectangular plates 29 are fixedly connected with baffle plates 211 together, the baffle plates 211 are inserted into the through holes 210 and the slotted holes 28 through bolts 212, and the baffle plates 211 press the self-active denitrification and dephosphorization carrier 25.
The pin 212 may be heavy to prevent the baffle 211 from being flushed out of the fixed volume by bottom-up water flow.
Further, the top of the tank body 10 is openable, a hydraulic cylinder 30 is fixedly arranged on the outer wall of the tank body 10, and an output shaft of the hydraulic cylinder 30 is fixedly connected with the top of the tank body 10.
When the self-activated denitrification and dephosphorization carrier 25 needs to be replaced, the hydraulic cylinder 30 is started to drive the top of the tank body 10 to move upwards, the plug 212 is taken, so that the baffle 211 is separated from the fixed volume chamber, the new self-activated denitrification and dephosphorization carrier 25 is replaced, and the baffle 211 and the plug 212 are reused to prevent the self-activated denitrification and dephosphorization carrier 25 from separating from the fixed volume chamber.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The autotrophic denitrification sewage treatment equipment is characterized by comprising a tank body (10) capable of treating sewage, wherein the tank body (10) is integrally cylindrical, a first circular groove (11) is formed in the tank body (10), a rotatable filter plate (12), a deoxidizing filler layer (13) and a denitrification filler layer (14) are sequentially arranged in the first circular groove (11) from bottom to top, a separation part is vertically arranged in the first circular groove (11), the separation part equally divides the filter plate (12), the deoxidizing filler layer (13) and the denitrification filler layer (14), the separation part can divide the first circular groove (11) into at least two independent spaces, the rotation of the filter plate (12), the deoxidizing filler layer (13) and the denitrification filler layer (14) is controlled through a driving part, the sewage treatment equipment further comprises a sewage tank and a pool, the sewage tank is communicated with the first circular groove (11) through a first sewage pipe (15) and a second sewage pipe (16), the sewage tank is communicated with the first circular groove (11) through a second water pipe (17), and the clean water tank (17) is communicated with the first circular groove (17) through the first water pipe and the second circular groove (17) through the clean water pipe;
the filter plate (12) is round and is matched with the first round groove (11), a plurality of filter holes (24) are formed in the filter plate, the filter plate (12) is separated from the bottom of the first round groove (11) by a certain distance to form a water inlet area, and the water inlet area is communicated with the first sewage pipe (15) and the second sewage pipe (16);
the deoxidizing filler layer (13) is round and is matched with the first round groove (11), and the deoxidizing filler layer (13) is made of sponge iron and is separated from the filter plate (12) by a certain distance;
the denitrification filler layer (14) comprises a fixed part, the fixed part is provided with at least two fixed chambers, a self-active denitrification and dephosphorization carrier (25) is arranged in the fixed chambers, the self-active denitrification and dephosphorization carrier (25) comprises a sulfur-containing carrier, a weak alkaline mineral material, an iron-based material and a microorganism growth promoter, the denitrification filler layer (14) is separated from the top of the first circular groove (11) by a certain distance to form a water outlet area, and the water outlet area is communicated with the first water purifying pipe (17) and the second water purifying pipe (18);
under the effect of the separation component, the first sewage pipe (15) and the second sewage pipe (16) are not communicated with each other in the first circular groove (11), the first water purifying pipe (17) and the second water purifying pipe (18) are not communicated with each other in the first circular groove (11), so that sewage in the sewage pool flows to a water inlet area, the sewage is denitrified through the filter plate, the deoxidizing filler layer (13) and the denitrifying filler layer (14), the aim of denitrifying the sewage is achieved, and finally the sewage is discharged into the water purifying pool through the first water purifying pipe (17), meanwhile, part of purified water in the water purifying pool is flushed into the first circular groove (11) through the second water purifying pipe (18), the filter plate, the deoxidizing filler layer (13) and the denitrifying filler layer (14) are flushed, the flushed sewage enters the sewage pool through the second sewage pipe (16), and the operation of denitrifying treatment and flushing of the sewage can be simultaneously adopted, so that the sewage treatment efficiency is improved.
2. The autotrophic denitrification sewage treatment device according to claim 1, wherein the tank body (10) is provided with three annular grooves (20), the annular grooves (20) are communicated with the first circular groove (11), and the filter plate (12), the deoxidizing filler layer (13) and the denitrification filler layer (14) are respectively connected with the three annular grooves (20) in a sliding mode through limiting rings (21).
3. An autotrophic denitrification sewage treatment apparatus according to claim 1, wherein the partition member comprises a plurality of partition plates (22), and the plurality of partition plates (22) are fixedly connected to the filter plate (12), the deoxidizing filler layer (13) and the denitrification filler layer (14), respectively.
4. An autotrophic denitrification sewage treatment apparatus according to claim 3, wherein the driving member comprises a second circular groove (23) formed in the tank body (10), the second circular groove (23) is located below the first circular groove (11), a rotating motor (31) is fixedly installed in the second circular groove (23), and an output shaft of the rotating motor (31) extends upwards and is transmitted into the first circular groove (11) and is fixedly connected with the partition plate (22).
5. The autotrophic denitrification nitrogen removal sewage treatment device according to claim 1, wherein the fixed part is a disc (26), the fixed chambers on the disc (26) are semicircular, the two fixed chambers are symmetrically arranged on the disc (26), and the self-active nitrogen and phosphorus removal carrier (25) arranged in the fixed chambers is limited by the limiting component.
6. The autotrophic denitrification sewage treatment device according to claim 5, wherein the limiting component comprises four rectangular grooves (27) and four slotted holes (28) formed in the disc (26), the corresponding rectangular grooves (27) and the corresponding slotted holes (28) are mutually communicated, the rectangular grooves (27) are provided with rectangular plates (29) which are matched, the rectangular plates (29) are provided with through holes (210), two corresponding rectangular plates (29) are fixedly connected with baffle plates (211) together, and the baffle plates (211) are inserted into the through holes (210) and the slotted holes (28) through bolts (212) so that the baffle plates (211) press the self-active denitrification and dephosphorization carrier (25).
7. The autotrophic denitrification sewage treatment device according to claim 6, wherein the top of the tank body (10) is openable, a hydraulic cylinder (30) is fixedly arranged on the outer wall of the tank body (10), and an output shaft of the hydraulic cylinder (30) is fixedly connected with the top of the tank body (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310286132.4A CN115991540B (en) | 2023-03-23 | 2023-03-23 | Autotrophic denitrification sewage treatment equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310286132.4A CN115991540B (en) | 2023-03-23 | 2023-03-23 | Autotrophic denitrification sewage treatment equipment |
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| CN115991540A CN115991540A (en) | 2023-04-21 |
| CN115991540B true CN115991540B (en) | 2023-06-02 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3391057B2 (en) * | 1993-09-03 | 2003-03-31 | 栗田工業株式会社 | Biological nitrogen removal equipment |
| EP2998009A1 (en) * | 2014-09-22 | 2016-03-23 | Brüggert, Hannelore | Filter assembly |
| CN210974086U (en) * | 2019-11-25 | 2020-07-10 | 上海生迈缘生物科技有限公司 | Efficient biological autotrophic denitrification nitrogen removal system |
| CN111635076B (en) * | 2020-06-10 | 2022-09-16 | 新地环保技术有限公司 | Sulfur autotrophic denitrification treatment tank and treatment method of salt-containing wastewater |
| WO2021253409A1 (en) * | 2020-06-19 | 2021-12-23 | 中清信益环境(南京)有限公司 | Efficient denitrification filtering pool system and operating method |
| CN214400156U (en) * | 2020-11-26 | 2021-10-15 | 湖南鑫远环境科技股份有限公司 | Biological nitrogen and phosphorus removal device of town domestic sewage MBBR + MBR |
| CN218435212U (en) * | 2022-09-16 | 2023-02-03 | 湖南科技大学 | Automatic stamping cleaning nitration reaction treatment device in waste water |
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