CN216445204U - Water environment chemical balance treatment device for supplying reclaimed water - Google Patents
Water environment chemical balance treatment device for supplying reclaimed water Download PDFInfo
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- CN216445204U CN216445204U CN202123253379.1U CN202123253379U CN216445204U CN 216445204 U CN216445204 U CN 216445204U CN 202123253379 U CN202123253379 U CN 202123253379U CN 216445204 U CN216445204 U CN 216445204U
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Abstract
The utility model discloses a water environment chemical equilibrium treatment device for supplying reclaimed water, which comprises: the water body purification device comprises a microalgae purification system and a microorganism purification system; the filtering device is connected with the downstream of the water body purifying device, a filtering medium is arranged in the filtering device, and a first back-flushing water inlet and a first back-flushing water outlet are formed in the filtering device; the cracking and liquefying device is connected with the downstream of the filtering device and comprises a microwave wall breaking processing device and a high-pressure liquefying processing device; and the phosphorus removal device is connected to the downstream of the cracking liquefaction device, phosphorus removal adsorption filler is arranged in the phosphorus removal device, and the generated filtrate finally flows back to the microbial purification system. The 'bacteria-algae coupling' technology can be applied to the water environment supplemented by the reclaimed water, the water body in the water environment can be purified under the photosynthesis of the microalgae, the denitrification effect of microorganisms is improved by recycling and utilizing the biomass resources of the microalgae, and the ecological balance of the water environment is accelerated.
Description
Technical Field
The utility model belongs to the technical field of water environment treatment, and particularly relates to a water environment chemical balance treatment device for supplying reclaimed water.
Background
With the continuous improvement of sewage treatment technology, the use of reclaimed water as supply water for rivers and lakes has become an important approach for solving the shortage of water resources. Although various methods are adopted to reduce the content of nitrogen and phosphorus in the water discharged from a water plant, the problem of nutrient salt accumulation still exists after the reclaimed water enters the landscape water body, and the frequent outbreak of 'water bloom' is caused by the mass propagation of algae. In recent years, the country continuously strengthens the treatment and restoration of the aquatic ecological environment, so that maintaining the water chemical balance of the aquatic ecological environment after the supply of the reclaimed water becomes a problem to be solved urgently for constructing a good aquatic ecological environment system.
At present, the following problems generally exist in the application of reclaimed water: firstly, the content of organic matters in the regenerated water is low, most of the organic matters are difficult to degrade, and the organic matters are not beneficial to denitrification of microorganisms; secondly, the biomass ratio of microalgae and microorganisms is difficult to reasonably regulate, and secondary pollution of water is easily caused; thirdly, the recovery and disposal of the algae in the reclaimed water. In view of these problems, there are certain obstacles and challenges to applying the "bacteria-algae coupling technology" to the construction system of the reclaimed water environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a water environment chemical balance treatment device for supplying reclaimed water, which is provided with a water body purification device with a microalgae purification system and a microorganism purification system, a filtering device capable of realizing algae-laden water separation, a cracking liquefaction device with a microwave wall breaking treatment device and a high-pressure liquefaction treatment device and a phosphorus removal device capable of removing phosphorus from a liquefaction product, wherein the water body purification device and the microorganism purification system are sequentially arranged along a treatment direction.
In order to achieve the above object, the present invention provides an apparatus for treating a reclaimed water supply by chemical equilibrium in an aqueous environment, the apparatus comprising:
the water body purification device comprises a microalgae purification system and a microorganism purification system;
the filtering device is connected with the downstream of the water body purifying device, a filtering medium is arranged in the filtering device, and a first backwashing water inlet and a first backwashing water outlet are formed in the filtering device;
the cracking and liquefying device is connected with the downstream of the filtering device and comprises a microwave wall breaking treatment device and a high-pressure liquefying treatment device;
and the phosphorus removal device is connected with the downstream of the cracking liquefaction device, and phosphorus removal adsorption packing is arranged in the phosphorus removal device.
Optionally, the upper portion of little algae clean system is provided with first water inlet and first inoculation mouth, the upper portion of little biological purification system is provided with second water inlet and second inoculation mouth, little biological purification system's lower part is provided with first drainage hole, little biological purification system's lower part is provided with second drainage hole, second drainage hole is connected with water environment, little biological purification system with be provided with first agitator and second agitator in the little biological purification system respectively.
Optionally, the regenerated water in the water environment is connected to the first water inlet through a first pipeline, a first valve is arranged on the first pipeline, and the first drain port is connected to the filtering device.
Optionally, a third water inlet and the first backwashing water outlet are arranged at the upper part of the filtering device, a third water outlet and the first backwashing water inlet are arranged at the lower part of the filtering device, the filtering device is connected with the water purifying device through a second pipeline, and a second valve and a first metering pump are arranged on the second pipeline.
Optionally, the first back-flushing water outlet is connected with the cracking and liquefying device, and the first back-flushing water inlet is connected with a water environment.
Optionally, a fourth water inlet in the upper part of the microwave wall breaking treatment device is connected with the first back-flushing water outlet of the filtering device, a fourth water outlet in the lower part of the microwave wall breaking treatment device is connected with a fifth water inlet in the upper part of the high-pressure liquefaction sealing device, and a fifth water outlet is arranged in the lower part of the high-pressure liquefaction sealing device.
Optionally, the microwave wall breaking treatment device is connected with the filtering device through a third pipeline, and a third valve and a second metering pump are arranged on the third pipeline.
Optionally, the phosphorus removal device is connected with a liquefied product output end of the cracking liquefaction device, a sixth water inlet is formed in the upper portion of the phosphorus removal device, a sixth water outlet and a second backwashing water inlet are formed in the lower portion of the phosphorus removal device, the second backwashing water inlet is connected with the water environment, and a second backwashing water outlet is further formed in the phosphorus removal device.
Optionally, the phosphorus removal device is connected to a liquefied product output end of the cracking liquefaction device through a fourth pipeline, the fourth pipeline is provided with a fourth valve and a third metering pump, the sixth water outlet is connected to the microbial purification system through a fifth pipeline, and the fifth pipeline is provided with a fifth valve and a fourth metering pump.
Optionally, the second backwashing water outlet is connected with a phosphorus recovery device.
The utility model provides a water environment chemical balance treatment device for supplying reclaimed water, which has the beneficial effects that: the device is provided with a water body purification device with a microalgae purification system and a microorganism purification system, a filtering device capable of realizing algae-laden water separation, a cracking liquefaction device with a microwave wall breaking treatment device and a high-pressure liquefaction treatment device and a phosphorus removal device capable of removing phosphorus from a liquefaction product, which are sequentially arranged along a treatment direction, and multiple treatments of reclaimed water are formed through the devices, so that the treatment effect is improved; the device can apply the 'bacteria-algae coupling' technology to the water environment supplied by the reclaimed water, the microalgae are propagated and metabolized in the illumination environment, the nutritive salt in the water body is absorbed and purified, and the fixation of carbon dioxide in the air is realized; by extracting and applying the microalgae biomass carbon source, the problem of insufficient organic matter content in the regenerated water environment is solved, the denitrification of microorganisms is improved, and the ecological balance of the water environment is accelerated.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic structural diagram of an environmental chemical equilibrium treatment apparatus for supplying reclaimed water according to an embodiment of the present invention.
Description of reference numerals:
1. a water body purification device; 2. a microalgae purification system; 3. a microbial decontamination system; 4. a filtration device; 5. a filter medium; 6. a first backwash water inlet; 7. a first backwash water outlet; 8. a cracking liquefaction device; 9. a microwave wall breaking treatment device; 10. a high-pressure liquefaction treatment device; 11. a phosphorus removal device; 12. dephosphorization adsorption packing; 13. a first water inlet; 14. a first inoculation port; 15. a second water inlet; 16. a second inoculation port; 17. a first venting port; 18. a second vent; 19. a first stirrer; 20. a second agitator; 21. a first pipeline; 22. a first valve; 23. a third water inlet; 24. a third water outlet; 25. a second pipeline; 26. a second valve; 27. a first metering pump; 28. a fourth water inlet; 29. a fourth water outlet; 30. a fifth water inlet; 31. a fifth water outlet; 32. a third pipeline; 33. a third valve; 34. a second metering pump; 35. a sixth water inlet; 36. a sixth water outlet; 37. a second backwash water inlet; 38. a second backwash water outlet; 39. a fourth pipeline; 40. a fourth valve; 41. a third metering pump; 42. a fifth pipeline; 43. a fifth valve; 44. and a fourth metering pump.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
As shown in fig. 1, the present invention provides a water environment chemical equilibrium treatment apparatus for supplying reclaimed water, comprising:
the water body purification device 1, the water body purification device 1 comprises a microalgae purification system 2 and a microorganism purification system 3;
the filtering device 4 is connected to the downstream of the water body purifying device 1, a filtering medium 5 is arranged in the filtering device 4, and a first backwashing water inlet 6 and a first backwashing water outlet 7 are arranged on the filtering device 4;
the cracking and liquefying device 8 is connected with the downstream of the filtering device 4, and the cracking and liquefying device 8 comprises a microwave wall breaking processing device 9 and a high-pressure liquefying processing device 10;
and the phosphorus removal device 11 is connected with the downstream of the cracking liquefaction device 8, and phosphorus removal adsorption packing 12 is arranged in the phosphorus removal device 11.
Specifically, the water purification device 1, the filtration device 4, the cracking liquefaction device 8 and the dephosphorization device 11 are sequentially arranged from upstream to downstream, microalgae and microorganisms can be inoculated in the microalgae purification system 2 and the microorganism purification system 3 respectively, the application of the bacteria-algae coupling technology in the water environment supplied with reclaimed water is realized, the purified water passing through the water purification device 1 enters the filtration device 4, algae-water separation is carried out in the filtration device 4, the concentrated algae liquid flows into the cracking liquefaction device 8 again, a high-carbon-nitrogen-ratio liquefaction product is obtained under the treatment effect of the microwave wall breaking treatment device 9 and the high-pressure liquefaction treatment device 10 in the cracking liquefaction device 8, the liquefaction product enters the dephosphorization device 11 to carry out dephosphorization, and the filtrate after dephosphorization flows back to the microorganism purification system 3.
Optionally, the upper portion of the microalgae purification system 2 is provided with a first water inlet 13 and a first inoculation port 14, the upper portion of the microorganism purification system 3 is provided with a second water inlet 15 and a second inoculation port 16, the lower portion of the microalgae purification system 2 is provided with a first air vent 17, the lower portion of the microorganism purification system 3 is provided with a second air vent 18, the second air vent 18 is connected with the water environment, and the inside of the microalgae purification system 2 and the inside of the microorganism purification system 3 are respectively provided with a first stirrer 19 and a second stirrer 20.
Specifically, the reclaimed water in the reclaimed water supply water environment can respectively enter the microalgae evolution system 2 and the microorganism purification system 3 through the first water inlet 13 and the second water inlet 15, the first inoculation port 14 and the second inoculation port 16 are respectively used for inoculating microalgae and microorganisms into the microalgae purification system 2 and the microorganism purification system 3, the microalgae can adopt chlorella, the microorganisms can adopt denitrifying bacteria, the first emptying port 17 is used for discharging purified water, and the second emptying port 18 is used for being connected with the water environment.
Optionally, the regenerated water in the water environment is connected to the first water inlet 13 through a first pipeline 21, a first valve 22 is arranged on the first pipeline 21, and the first drain port 17 is connected to the filtering device 4.
Specifically, the purified water discharged through the first drain port 17 is conveyed to the filtering device 4 through the second pipeline 25, and the algae-laden water is separated in the filtering device 4.
Optionally, the upper part of the filtering device 4 is provided with a third water inlet 23 and a first backwashing water outlet 7, the lower part of the filtering device 4 is provided with a third water outlet 24 and a first backwashing water inlet 6, the filtering device 4 is connected with the water purifying device 1 through a second pipeline 25, and the second pipeline 25 is provided with a second valve 26 and a first metering pump 27.
Specifically, the filtering medium 5 in the filtering device 4 can realize separation of algae and water in the purified water body, filtrate flows back to the water environment, microalgae is retained in the filtering medium 5, and the algae liquid is discharged into the cracking and liquefying device 8 through the third pipeline 32 after being backflushed.
Optionally, the first back-flushing water outlet 7 is connected with the cracking liquefaction device 8, the first back-flushing water inlet 6 is connected with the water environment, and the filter medium 5 can be volcanic rock.
Specifically, the filter device 4 is backwashed by using the regenerated water in the water environment to obtain the concentrated algae solution.
Optionally, a fourth water inlet 28 at the upper part of the microwave wall-breaking treatment device 9 is connected with the first back-flushing water outlet 7 of the filtering device 4, a fourth water outlet 29 at the lower part of the microwave wall-breaking treatment device 9 is connected with a fifth water inlet 30 at the upper part of the high-pressure liquefaction sealing device 10, and a fifth water outlet 31 is arranged at the lower part of the high-pressure liquefaction sealing device 10.
Specifically, algae cells are cracked and liquefied in a cracking and liquefying device 8 through a physical technology (microwave wall breaking and high-pressure liquefaction) to obtain a liquefied product with a high carbon-nitrogen ratio; the liquefied product is discharged through a fifth water outlet 31 and enters a phosphorus removal device 11 for phosphorus removal.
Optionally, the microwave wall-breaking treatment device 9 is connected to the filtering device 4 through a third pipeline 32, and a third valve 33 and a second metering pump 34 are disposed on the third pipeline 32.
Specifically, the first back-flushing water outlet 7 of the filtering device 4 is connected to the fourth water inlet 28 at the upper part of the microwave wall-breaking treatment device 9 through a third pipeline 32.
Optionally, the phosphorus removal device 11 is connected to a liquefied product output end of the cracking liquefaction device 8, a sixth water inlet 35 is disposed at an upper portion of the phosphorus removal device 11, a sixth water outlet 36 and a second backwashing water inlet 37 are disposed at a lower portion of the phosphorus removal device 11, the second backwashing water inlet 37 is connected to the water environment, and a second backwashing water outlet 38 is further disposed on the phosphorus removal device 11.
Specifically, the liquefied product discharged from the fifth water outlet 31 enters the phosphorus removal device 11 through the sixth water inlet 35, phosphorus in the liquefied product is adsorbed by the phosphorus removal adsorbing filler 12 filled in the phosphorus removal device 11, and the generated filtrate flows back to the microbial purification system 3 through the sixth water outlet 36.
Optionally, the phosphorus removal device 11 is connected to the liquefied product output end of the cracking and liquefying device 8 through a fourth pipeline 39, the fourth pipeline 39 is provided with a fourth valve 40 and a third metering pump 41, the sixth water outlet 36 is connected to the microbial purification system 3 through a fifth pipeline 42, and the fifth pipeline 42 is provided with a fifth valve 43 and a fourth metering pump 44.
Specifically, the liquefied product discharged from the fifth water outlet 31 passes through the fourth pipeline 39 and then enters the phosphorus removal device 11 through the sixth water inlet 35; the filtrate of the phosphorus removal device 11 flows back to the microorganism purification system 3 through the fifth pipeline 42, and the filtrate is used as a carbon source to provide a material basis for denitrification and denitrification of the microorganisms.
Optionally, a second backwash water outlet 38 is connected to the phosphorus recovery device.
Specifically, the phosphorus-containing liquefied product discharged from the second backwash water outlet 38 enters a phosphorus recovery device, and the phosphorus-containing liquefied product obtained by the phosphorus recovery device can be extracted and converted into hydroxyapatite.
In summary, when the water environment chemical equilibrium treatment device for supplying reclaimed water is used, reclaimed water in the water environment for supplying reclaimed water is input into the water body purification device 1, the reclaimed water purification device is inoculated with microorganisms and microalgae, and nitrogen-containing compounds in the water environment are denitrified by denitrification with microorganisms (such as denitrifier) to form N-containing compounds2Or N2The O form is vented to the atmosphere. Utilizing photosynthesis of microalgae (such as chlorella)Determining CO in air2Nitrogen and phosphorus nutrient salts in the water environment are absorbed and purified in the process of microalgae propagation and metabolism; the purified water body enters a filtering device 4, algae-laden water is separated in the filtering device 4, and filtrate flows back to the water environment to be used as a water supply source; the microalgae is intercepted in the filter medium 5, the algae liquid is discharged into a cracking liquefying device 8 after back washing, and algae cells are cracked and liquefied in the cracking liquefying device 8 through a physical technology (microwave wall breaking and high-pressure liquefying) to obtain a liquefied product with high carbon-nitrogen ratio; and discharging the liquefied product into a phosphorus removal device 11 for phosphorus removal, adsorbing phosphorus in the liquefied product by using a phosphorus removal adsorbent, refluxing the generated filtrate into a microbial purification system 3, extracting the obtained phosphorus-containing liquefied product, and converting the phosphorus-containing liquefied product into hydroxyapatite.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. An environmental chemical equilibrium treatment plant for the supply of reclaimed water, the plant comprising:
the water body purification device comprises a microalgae purification system and a microorganism purification system;
the filtering device is connected with the downstream of the water body purifying device, a filtering medium is arranged in the filtering device, and a first backwashing water inlet and a first backwashing water outlet are formed in the filtering device;
the cracking and liquefying device is connected with the downstream of the filtering device and comprises a microwave wall breaking treatment device and a high-pressure liquefying treatment device;
and the phosphorus removal device is connected with the downstream of the cracking liquefaction device, and phosphorus removal adsorption packing is arranged in the phosphorus removal device.
2. The aquatic environment chemical equilibrium processing apparatus for regenerated water supply according to claim 1, wherein the upper portion of the microalgae purification system is provided with a first water inlet and a first inoculation port, the upper portion of the microorganism purification system is provided with a second water inlet and a second inoculation port, the lower portion of the microalgae purification system is provided with a first air vent, the lower portion of the microorganism purification system is provided with a second air vent, the second air vent is connected with the aquatic environment, and the microalgae purification system and the microorganism purification system are respectively provided with a first stirrer and a second stirrer therein.
3. The aquatic environment chemical equilibrium treatment apparatus for reclaimed water supply according to claim 2, wherein the reclaimed water in the aquatic environment is connected to the first water inlet through a first pipeline, the first pipeline is provided with a first valve, and the first drain port is connected to the filtering apparatus.
4. The aquatic environment chemical equilibrium treatment apparatus for reclaimed water supply according to claim 1, wherein the upper portion of said filtering apparatus is provided with a third water inlet and said first backwashing water outlet, the lower portion of said filtering apparatus is provided with a third water outlet and said first backwashing water inlet, said filtering apparatus is connected to said water purifying apparatus by a second pipeline, and said second pipeline is provided with a second valve and a first metering pump.
5. The aquatic environment chemical equilibrium treatment apparatus for regenerated water supply of claim 4 wherein the first back-flush water outlet is connected to the pyrolysis liquefaction unit and the first back-flush water inlet is connected to the aquatic environment.
6. The environmental chemical equilibrium treatment apparatus for supplying regenerated water as claimed in claim 1, wherein a fourth water inlet at the upper part of the microwave wall-breaking treatment apparatus is connected to the first back-flushing water outlet of the filtering apparatus, a fourth water outlet at the lower part of the microwave wall-breaking treatment apparatus is connected to a fifth water inlet at the upper part of the high-pressure liquefaction sealing apparatus, and a fifth water outlet is provided at the lower part of the high-pressure liquefaction sealing apparatus.
7. The environmental chemical equilibrium treatment plant for supplying reclaimed water as defined in claim 6, wherein the microwave wall-breaking treatment plant is connected to the filtering device via a third pipeline, and a third valve and a second metering pump are disposed on the third pipeline.
8. The water environment chemical equilibrium treatment device for supplying reclaimed water as claimed in claim 1, wherein the phosphorus removal device is connected to the output end of the liquefied product of the cracking liquefaction device, a sixth water inlet is provided at the upper part of the phosphorus removal device, a sixth water outlet and a second back flush water inlet are provided at the lower part of the phosphorus removal device, the second back flush water inlet is connected to the water environment, and a second back flush water outlet is further provided at the phosphorus removal device.
9. The aquatic environment chemical balance processing device for reclaimed water supply of claim 8, wherein the phosphorus removal device is connected with the liquefied product output end of the cracking liquefaction device through a fourth pipeline, a fourth valve and a third metering pump are arranged on the fourth pipeline, the sixth water outlet is connected with the microbial purification system through a fifth pipeline, and a fifth valve and a fourth metering pump are arranged on the fifth pipeline.
10. The aquatic environment chemical equilibrium treatment plant of claim 8 wherein said second backwash water outlet is connected to a phosphorus recovery device.
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| CN202123253379.1U CN216445204U (en) | 2021-12-22 | 2021-12-22 | Water environment chemical balance treatment device for supplying reclaimed water |
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| CN202123253379.1U CN216445204U (en) | 2021-12-22 | 2021-12-22 | Water environment chemical balance treatment device for supplying reclaimed water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116119827A (en) * | 2022-12-12 | 2023-05-16 | 北京城市排水集团有限责任公司 | Bacteria-algae synergistic carbon fixation denitrification system and treatment method |
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2021
- 2021-12-22 CN CN202123253379.1U patent/CN216445204U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116119827A (en) * | 2022-12-12 | 2023-05-16 | 北京城市排水集团有限责任公司 | Bacteria-algae synergistic carbon fixation denitrification system and treatment method |
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