CN213265907U - Anaerobic ammonia oxidation device for treating chemical wastewater - Google Patents
Anaerobic ammonia oxidation device for treating chemical wastewater Download PDFInfo
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- CN213265907U CN213265907U CN202021522152.5U CN202021522152U CN213265907U CN 213265907 U CN213265907 U CN 213265907U CN 202021522152 U CN202021522152 U CN 202021522152U CN 213265907 U CN213265907 U CN 213265907U
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Abstract
The utility model belongs to the sewage treatment technology, in particular to an anaerobic ammonia oxidation device for treating chemical wastewater, which adopts the technical proposal that the anaerobic ammonia oxidation device comprises an anaerobic ammonia oxidation tower, a plurality of rotary stirring impellers arranged in the anaerobic ammonia oxidation tower, an aeration stirring assembly arranged below the rotary stirring impellers, a water distribution assembly arranged below the aeration stirring assembly, a driving motor for driving the rotary stirring impellers and the aeration stirring assembly to rotate, and an aeration pump communicated with the aeration stirring assembly; the anaerobic ammonia oxidation tower is provided with a water inlet pipe, a water outlet pipe and an exhaust pipe, a plurality of filler screen covers are arranged in the anaerobic ammonia oxidation tower at intervals, suspended fillers are arranged in the filler screen covers, a filler inlet pipe communicated with the filler screen covers is arranged on the side face of the anaerobic ammonia oxidation tower, and the device can enable sewage in the device to be fully stirred, so that the contact area between the sewage and microorganisms is increased, and the denitrification effect of anaerobic ammonia oxidation organisms and the sewage treatment efficiency are improved.
Description
Technical Field
The utility model belongs to the sewage treatment technology, in particular to an anaerobic ammonia oxidation device for treating chemical wastewater.
Background
With the improvement of the living standard of human beings, the rapid increase of population and the rapid development of industry, the discharge amount of sewage is gradually increased, the water environment pollution is increasingly serious, and the nitrogen and phosphorus removal of the sewage becomes a hot point for the research of experts and scholars at home and abroad. The traditional biological denitrification method mainly comprises nitrification-denitrification, and the process mostly adopts a fixed bed operation mode of a tank type structure, so the problems of insufficient contact between filler and sewage, poor removal effect, high investment, large floor area, high civil engineering cost, the need of adding acid and alkali for neutralization and adding a carbon source, the need of large-area aeration, high power consumption, complex structure, troublesome maintenance and management and the like exist. In addition, the existing nitrification-denitrification technology can generate a large amount of sludge, and the sludge bulking problem is easy to occur.
Anammox is a novel biological denitrification technology, and is a biological reaction process for oxidizing ammonia nitrogen into nitrogen by using nitrite as an electron acceptor by anammox bacteria under anaerobic conditions. Because the anaerobic ammonium oxidation bacteria are autotrophic bacteria, no additional organic matter is needed to be added as an electron donor, the cost can be saved, and the secondary pollution can be prevented; the anaerobic ammonia oxidation reaction is a near-neutral reaction, and the biological acid production is very low, so that the cost of a neutralizing agent can be saved; because the anaerobic ammonium oxidation bacteria grow slowly, the sludge yield is extremely low, and the sludge treatment cost can be greatly saved.
However, in the above technology, the filler is not in sufficient contact with the sewage, the denitrification effect is not good, and the reaction efficiency is low, so that the anaerobic ammonia oxidation device is designed, the sewage in the device can be fully stirred, the contact area with the microorganism is increased, and the denitrification effect and the sewage treatment efficiency of the anaerobic ammonia oxidation organism are improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a handle chemical industry waste water and utilize anammox device.
In order to achieve the above object, the utility model provides a following technical scheme: an anaerobic ammonia oxidation device for treating chemical wastewater comprises an anaerobic ammonia oxidation tower, a plurality of rotary stirring impellers arranged in the anaerobic ammonia oxidation tower, an aeration stirring assembly arranged below the rotary stirring impellers, a water distribution assembly arranged below the aeration stirring assembly, a driving motor for driving the rotary stirring impellers and the aeration stirring assembly to rotate, and an aeration pump communicated with the aeration stirring assembly; the anaerobic ammonia oxidation tower is provided with a water inlet pipe, a water outlet pipe and an exhaust pipe, a plurality of filler screen covers arranged at intervals are arranged in the anaerobic ammonia oxidation tower, suspended fillers are arranged in the filler screen covers, and a filler feeding pipe communicated with the filler screen covers is arranged on the side face of the anaerobic ammonia oxidation tower.
The working principle and the beneficial effects are as follows: the sewage is introduced into the water inlet pipe, enters the anaerobic ammonia oxidation tower through the water distribution assembly, simultaneously drives the rotary stirring impeller and the aeration stirring assembly to rotate simultaneously to stir the sewage, carbon dioxide is filled into the anaerobic ammonia oxidation tower through the aeration pump to reduce the oxygen content in the anaerobic ammonia oxidation tower, the anaerobic environment required by the reaction is ensured, and the generated bubbles can stir the sewage, thereby prolonging the reaction time of anaerobic ammonia oxidizing bacteria on the filler and the sewage, improving the denitrification efficiency, leading the sewage to be in contact reaction with the suspended filler in the filler mesh enclosure, compared with the prior art, the suspended filler can not be hit or hit when the rotary stirring impeller and the aeration stirring assembly rotate, avoiding the situation that the suspended filler is hit and damaged, and conveniently increasing the suspended filler through the filler inlet pipe, and the situation that the filler is absent cannot occur.
Preferably, the driving motor is arranged at the top of the anaerobic ammonia oxidation tower and is coaxially and rotatably connected with the plurality of rotary stirring impellers through a motor shaft. Through a plurality of rotatory impeller of driving motor drive rotation simultaneously, compare single rotatory impeller's setting, stirring effect is better, packs the screen panel setting with the suspension simultaneously between two adjacent rotatory impeller to improved the area of contact that sewage and suspension packed, the make full use of space, when the stirring, mixed effect is better.
Preferably, the aeration stirring assembly comprises a main body coaxially and rotatably connected with the motor shaft and a plurality of aeration pipes arranged on the main body, and each aeration pipe is provided with a plurality of aeration holes. Through the setting of above-mentioned structure, the motor shaft drives the main part rotation, and the main part drives the aeration pipe rotation, and the rotatory stirring in limit aeration for the bubble is spiral rising state, can have better stirring effect to sewage, and the bubble that rises simultaneously can also be stirred by rotatory agitating unit, makes carbon dioxide can better integrate into in the sewage, thereby effectively reduces the oxygen content percentage in the sewage.
Preferably, the aeration holes are uniformly arranged along the circumferential direction and the length direction of the aeration pipe at intervals. The setting of above-mentioned structure for the aeration effect is better, and the stirring effect that the bubble produced is also better simultaneously, and is more even.
Preferably, a sludge return pipe and a reflux pump are arranged on the anaerobic ammonia oxidation tower. The sludge at the bottom in the anaerobic ammonia oxidation tower is pumped to the upper part of the anaerobic ammonia oxidation tower through the reflux pump, so that the sludge can be fully circulated in the anaerobic ammonia oxidation tower, the sewage in the anaerobic ammonia oxidation tower can be fully circulated, the contact area with the suspended filler is increased, and the sewage treatment efficiency is improved.
Preferably, the bottom of the anaerobic ammonia oxidation tower is provided with a sludge settling part. The sludge is settled in the sludge settling part, and the sludge return pipe is connected to the bottom of the sludge settling part, so that the sludge can be conveniently extracted.
Preferably, a plurality of temperature sensors and a plurality of heating devices are arranged inside the anaerobic ammonia oxidation tower, and the temperature sensors are in communication connection with the heating devices. A plurality of temperature sensor set up respectively in a plurality of positions of anaerobic ammonia oxidation tower, can detect the temperature in the anaerobic ammonia oxidation tower more accurately, then realize the regulation to the water temperature in the anaerobic ammonia oxidation tower through cooperating with a plurality of heating device, can realize subregion stable control for the temperature in the anaerobic ammonia oxidation tower is more even, makes the microorganism that the suspension packed be in the best reaction temperature all the time, effectively improves sewage treatment efficiency and effect.
Preferably, the water inlet pipe is provided with a filter pipe, and a metal filter screen is arranged in the filter pipe. Large-particle impurities are filtered through a common metal filter screen, and the condition that the inside of a pipeline is blocked is reduced.
Preferably, an air purifying device is arranged on the exhaust pipe. The gas discharged from the exhaust pipe is purified by the air purifying equipment, so that the exhaust pipe meets the emission standard and reduces the environmental pollution.
Preferably, the water distribution assembly comprises a pipeline communicated with the water inlet pipe and a cross-shaped water distribution frame communicated with the pipeline, and a plurality of water distribution holes are formed in the water distribution frame. By adopting the structure, the water distribution is more uniform, and the sewage can be stirred quickly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the rotary connecting sleeve.
FIG. 3 is a schematic structural view of an aeration stirring assembly.
Fig. 4 is a schematic structural view of the water distribution assembly.
In the figure, 1, an anaerobic ammonia oxidation tower; 11. a water inlet pipe; 12. a water outlet pipe; 13. an exhaust pipe; 131. an air purification device; 14. a filler screen; 15. suspending the filler; 16. a filler feed tube; 17. a motor shaft; 18. a sludge return pipe; 19. a sludge settling section; 2. rotating the stirring impeller; 3. an aeration stirring component; 31. a main body; 32. an aeration pipe; 33. an aeration hole; 34. an air tube; 35. rotating the connecting sleeve; 36. an inflation tube; 4. a water distribution component; 41. a pipeline; 42. a water distribution frame; 5. a drive motor; 6. an aeration pump; 7. a reflux pump; 8. a temperature sensor; 9. a heating device; 10. a filter tube; 101. a metal filter screen.
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a handle chemical industry waste water and utilize anammox device includes anammox tower 1 and locates a plurality of rotatory impeller 2 in anammox tower 1, locate aeration stirring subassembly 3 of rotatory impeller 2 below, locate water distribution subassembly 4 of aeration stirring subassembly 3 below, an aeration pump 6 that is used for driving rotatory impeller 2 and the rotatory driving motor 5 of aeration stirring subassembly 3 and communicates with aeration stirring subassembly 3, wherein aeration pump 6 is common equipment on the market, driving motor 5 is common full direct current inverter motor, compare traditional motor power saving more, can conveniently control the rotational speed of rotation axis.
Concretely, the welding has inlet tube 11, outlet pipe 12 and blast pipe 13 on anaerobic ammonia oxidation tower 1, sets up solenoid valve on inlet tube 11, outlet pipe 12 and blast pipe 13 respectively, can conveniently carry out on-off control, be equipped with the filler screen panel 14 that a plurality of intervals set up in anaerobic ammonia oxidation tower 1, be equipped with suspension filler 15 in the filler screen panel 14, anaerobic ammonia oxidation tower 1 side is equipped with the filler inlet pipe 16 with filler screen panel 14 intercommunication, and wherein filler screen panel 14 is common metal or plastics screen panel, and the size of mesh is less than the size of suspension filler 15, prevents effectively that suspension filler 15 from spilling, and does not influence the business turn over of sewage, and suspension filler 15 is the common product in this field, no longer gives unnecessary details here.
Specifically, the driving motor 5 is arranged at the top of the anaerobic ammonia oxidation tower 1, and the driving motor 5 is coaxially and rotatably connected with the plurality of rotating stirring impellers 2 through a motor shaft 17. Through a plurality of rotatory impeller 2 of driving simultaneously rotation of driving motor 5, compare single rotatory impeller 2's setting, stirring effect is better, packs 15 screen panels 14 with the suspension simultaneously and sets up between two adjacent rotatory impeller 2 to improved the area of contact that sewage and suspension packed 15, make full use of space, in the stirring, mixed effect is better.
Specifically, the aeration stirring assembly 3 comprises a main body 31 coaxially and rotatably connected with the motor shaft 17 and a plurality of aeration pipes 32 arranged on the main body 31, wherein each aeration pipe 32 is provided with a plurality of aeration holes 33. Through the setting of above-mentioned structure, motor shaft 17 drives main part 31 rotatory, main part 31 drives the aeration pipe 32 rotation, limit aeration limit rotation stirring, make the bubble be spiral rising state, can have better stirring effect to sewage, the bubble that rises simultaneously still can be stirred by rotatory agitating unit, make carbon dioxide can better integrate into in the sewage, thereby effectively reduce the oxygen content percentage in the sewage, in this embodiment, main part 31 and aeration pipe 32 form the cross, similar with 4 shapes of water distribution subassembly, and when aeration stirring subassembly 3 is rotatory, also can not influence.
As shown in fig. 2, in this embodiment, the bottom of the main body 31 is provided with an air pipe 34 and a rotary connecting sleeve 35, the bottom of the rotary connecting sleeve 35 is inserted with an inflation pipe 34, the inflation pipe 34 is communicated with the aeration pump 6, and since the main body 31 is fixedly connected to the motor shaft 17 and the inflation pipe 34 and the main body 31 can rotate relatively, when the main body 31 rotates, the inflation pipe 34 does not rotate, but the inflation pipe 34 can still provide carbon dioxide for the main body 31.
Specifically, the aeration holes 33 are uniformly spaced along the circumferential direction and the longitudinal direction of the aeration pipe 32. The setting of above-mentioned structure for the aeration effect is better, and the stirring effect that the bubble produced is also better simultaneously, and is more even.
Specifically, a sludge return pipe 18 and a return pump 7 are arranged on the anaerobic ammonia oxidation tower 1. The sludge at the bottom in the anaerobic ammonia oxidation tower 1 is extracted to the upper part of the anaerobic ammonia oxidation tower 1 through the reflux pump 7, so that the sludge can be fully circulated in the anaerobic ammonia oxidation tower 1, the sewage in the anaerobic ammonia oxidation tower 1 can be fully circulated, the contact area with the suspended filler 15 is increased, and the sewage treatment efficiency is improved.
Specifically, the bottom of the anaerobic ammonia oxidation tower 1 is provided with a sludge settling part 19, and the sludge settling part 19 is funnel-shaped. The sludge is settled in the sludge settling part 19, and the sludge return pipe 18 is connected to the bottom of the sludge settling part 19, so that the sludge can be conveniently extracted.
Specifically, a plurality of temperature sensors 8 and a plurality of heating devices 9 are arranged inside the anaerobic ammonia oxidation tower 1, and the temperature sensors 8 and the heating devices 9 are in communication connection. A plurality of temperature sensor 8 set up respectively in a plurality of positions of anaerobic ammonia oxidation tower 1, can detect the temperature in the anaerobic ammonia oxidation tower 1 more accurately, then realize the regulation to temperature in the anaerobic ammonia oxidation tower 1 through cooperating with a plurality of heating device 9, can realize subregion stability control, make the temperature in the anaerobic ammonia oxidation tower 1 more even, make the microorganism that suspension packed on 15 be in the best reaction temperature all the time, effectively improve sewage treatment efficiency and effect.
Specifically, the water inlet pipe 11 is provided with a filter pipe 10, and a metal filter screen 101 is arranged in the filter pipe 10. Large-particle impurities are filtered through a common metal filter screen 101, and the occurrence of the condition of blocking inside a pipeline is reduced.
Specifically, an air purification device 131 is disposed on the exhaust pipe 13. The gas discharged from the exhaust pipe 13 is purified by the air purifying apparatus 131 so that it meets the emission standard, reducing environmental pollution.
Specifically, the water distribution assembly 4 includes a pipe 41 communicated with the water inlet pipe 11 and a cross-shaped water distribution frame 42 communicated with the pipe, and the water distribution frame 42 is provided with a plurality of water distribution holes. By adopting the structure, the water distribution is more uniform, and the sewage can be stirred quickly.
The above-mentioned components which are not described in detail are structures or products which are well known to those skilled in the art, and are not described in detail herein.
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.
By using terms such as the anammox tower 1, the water inlet pipe 11, the water outlet pipe 12, the exhaust pipe 13, the packing screen 14, the suspended packing 15, the packing feed pipe 16, the motor shaft 17, the sludge return pipe 18, the sludge settling section 19, the rotary stirring impeller 2, the aeration stirring component 3, the main body 31, the aeration pipe 32, the aeration hole 33, the air pipe 34, the rotary connecting sleeve 35, the aeration pipe 34, the water distribution component 4, the driving motor 5, the aeration pump 6, the reflux pump 7, the temperature sensor 8, the heating device 9, the filtering pipe 10, the metal filtering net 101, etc., it should be noted that the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, such that an article or system comprising a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (10)
1. An anaerobic ammonia oxidation device for treating chemical wastewater is characterized by comprising an anaerobic ammonia oxidation tower, a plurality of rotary stirring impellers arranged in the anaerobic ammonia oxidation tower, an aeration stirring assembly arranged below the rotary stirring impellers, a water distribution assembly arranged below the aeration stirring assembly, a driving motor for driving the rotary stirring impellers and the aeration stirring assembly to rotate, and an aeration pump communicated with the aeration stirring assembly; the anaerobic ammonia oxidation tower is provided with a water inlet pipe, a water outlet pipe and an exhaust pipe, a plurality of filler screen covers arranged at intervals are arranged in the anaerobic ammonia oxidation tower, suspended fillers are arranged in the filler screen covers, and a filler feeding pipe communicated with the filler screen covers is arranged on the side face of the anaerobic ammonia oxidation tower.
2. The anaerobic ammonia oxidation device for treating chemical wastewater according to claim 1, wherein the driving motor is arranged at the top of the anaerobic ammonia oxidation tower and is coaxially and rotatably connected with the plurality of rotary stirring impellers through a motor shaft.
3. The anaerobic ammonia oxidation device for treating chemical wastewater according to claim 2, wherein the aeration stirring assembly comprises a main body coaxially and rotatably connected with a motor shaft and a plurality of aeration pipes arranged on the main body, and each aeration pipe is provided with a plurality of aeration holes.
4. The anaerobic ammonia oxidation device for treating chemical wastewater according to claim 3, wherein the aeration holes are uniformly spaced along the circumferential direction and the length direction of the aeration pipe.
5. The anaerobic ammonia oxidation device for treating chemical wastewater according to claim 1, wherein a sludge return pipe and a reflux pump are arranged on the anaerobic ammonia oxidation tower.
6. The anaerobic ammonia oxidation device for treating chemical wastewater according to claim 1, wherein a sludge settling part is arranged at the bottom of the anaerobic ammonia oxidation tower.
7. The anaerobic ammonia oxidation device for treating the chemical wastewater as claimed in any one of claims 1 to 6, wherein a plurality of temperature sensors and a plurality of heating devices are arranged in the anaerobic ammonia oxidation tower, and the temperature sensors are in communication connection with the heating devices.
8. The anaerobic ammonia oxidation device for treating chemical wastewater as claimed in any one of claims 1 to 6, wherein a filter pipe is arranged on the water inlet pipe, and a metal filter screen is arranged in the filter pipe.
9. The anaerobic ammonia oxidation device for treating chemical wastewater as claimed in any one of claims 1 to 6, wherein the exhaust pipe is provided with air purification equipment.
10. The anaerobic ammonia oxidation device for treating chemical wastewater according to any one of claims 1 to 6, wherein the water distribution assembly comprises a pipeline communicated with the water inlet pipe and a cross-shaped water distribution frame communicated with the pipeline, and the water distribution frame is provided with a plurality of water distribution holes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021522152.5U CN213265907U (en) | 2020-07-28 | 2020-07-28 | Anaerobic ammonia oxidation device for treating chemical wastewater |
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| CN202021522152.5U CN213265907U (en) | 2020-07-28 | 2020-07-28 | Anaerobic ammonia oxidation device for treating chemical wastewater |
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| CN213265907U true CN213265907U (en) | 2021-05-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113277618A (en) * | 2021-06-11 | 2021-08-20 | 北京大学深圳研究生院 | Device for improving anaerobic ammonia oxidation denitrification effect and operation stability |
| CN113277617A (en) * | 2021-06-11 | 2021-08-20 | 北京大学深圳研究生院 | Novel sewage denitrification device based on anaerobic ammonia oxidation |
| CN113695356A (en) * | 2021-08-26 | 2021-11-26 | 同济大学 | Reactor for reinforcing anaerobic digestion capability of organic solid waste by using biological filler |
-
2020
- 2020-07-28 CN CN202021522152.5U patent/CN213265907U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113277618A (en) * | 2021-06-11 | 2021-08-20 | 北京大学深圳研究生院 | Device for improving anaerobic ammonia oxidation denitrification effect and operation stability |
| CN113277617A (en) * | 2021-06-11 | 2021-08-20 | 北京大学深圳研究生院 | Novel sewage denitrification device based on anaerobic ammonia oxidation |
| CN113695356A (en) * | 2021-08-26 | 2021-11-26 | 同济大学 | Reactor for reinforcing anaerobic digestion capability of organic solid waste by using biological filler |
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