CN115466005A - High-salt high-ammonia nitrogen sewage treatment device and method - Google Patents
High-salt high-ammonia nitrogen sewage treatment device and method Download PDFInfo
- Publication number
- CN115466005A CN115466005A CN202210937996.3A CN202210937996A CN115466005A CN 115466005 A CN115466005 A CN 115466005A CN 202210937996 A CN202210937996 A CN 202210937996A CN 115466005 A CN115466005 A CN 115466005A
- Authority
- CN
- China
- Prior art keywords
- inner cylinder
- sewage
- treatment device
- ammonia nitrogen
- sewage treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a high-salt high-ammonia nitrogen sewage treatment device and a method. Pumping high-salt high-ammonia nitrogen sewage into a water storage tank, adjusting the pH value, transferring the sewage into a treatment device for biochemical reaction, allowing the sewage after the biochemical reaction to enter a degassing tank for gas-water separation, allowing a part of the sewage discharged from the degassing tank to enter a settling tank for mud-water separation, allowing a part of the sewage to return to the treatment device through a nitrate liquid reflux pump for denitrification reaction, allowing settled sludge from the bottom of the settling tank to enter an anoxic zone in the treatment device through a sludge reflux pump for biochemical reaction, and discharging clear water discharged from the settling tank after reaching the standard. The reactor structure of the sewage treatment device can reduce the overall height-diameter ratio of the reactor, save energy consumption and has high efficiency of removing ammonia nitrogen, total nitrogen and COD. All unit devices in the sewage treatment method are hermetically treated, so that collection and treatment of malodorous gas are facilitated, and no secondary pollution is caused.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a high-salinity high-ammonia nitrogen sewage treatment device and method.
Background
High-salt ammonia nitrogen sewage belongs to the type of wastewater which is extremely difficult to treat, and ammonia nitrogen is ammonium ion (NH) in water body 4 + ) And free ammonia. On one hand, the ammonia nitrogen is rich in nitrogen, so that the eutrophication phenomenon of the water body is easily caused, the insufficient dissolved oxygen in the water is caused, and the growth and the propagation of aquatic organisms are hindered. On the other hand, free ammonia in the ammonia nitrogen has larger toxic action on organisms, and the toxicity is enhanced along with the rising of water temperature and pH. The ammonia nitrogen sewage is mainly generated in the industrial exploitation and production processes of the food industry, the petrochemical industry, the rare earth mining industry, the chemical fertilizer, the textile printing and dyeing industry and the like. The industrial discharged sewage has complex components and contains a large amount of inorganic pollutants, such as toxic and harmful metal ions, acid, alkali, salt, suspended matters and the like with high content. Wherein, the high salinity (the salt mass fraction is at least 1 percent) has certain influence on the treatment efficiency of ammonia nitrogen。
At present, enterprises mainly adopt a physicochemical method to treat high-salinity wastewater, so that the method has the disadvantages of large occupied area, high investment, high treatment cost, great economic burden on the enterprises and certain cost increase. In addition, the method for treating the high-salt ammonia nitrogen sewage also comprises an intensified chemical coagulating sedimentation method and an advanced oxidation method, and the two methods also have the defects of low efficiency, high operating cost and high investment.
Disclosure of Invention
The invention aims to solve the problems of low efficiency and high operating cost of the existing high-salt ammonia nitrogen sewage treatment equipment and provides a high-salt high-ammonia nitrogen sewage treatment device and a high-salt high-ammonia nitrogen sewage treatment method.
In order to solve the technical problems, the invention adopts the technical scheme that: a high-salt high-ammonia nitrogen sewage treatment device comprises a reactor main body, a first inner cylinder, a second inner cylinder, a third inner cylinder, a guide cylinder and an aeration disc;
the guide cylinder is arranged at the central position in the reactor main body, and the first inner cylinder, the second inner cylinder and the third inner cylinder are sequentially sleeved outside the guide cylinder from inside to outside;
the lower end of the first inner cylinder is connected with the bottom of the reactor main body, the side wall of the lower end of the first inner cylinder is provided with a sieve mesh, a gap is formed between the lower ends of the second inner cylinder and the third inner cylinder and the bottom of the reactor main body, and the upper end surfaces of the second inner cylinder and the third inner cylinder are lower than the upper end surface of the first inner cylinder;
anoxic zones are formed inside the guide cylinder and between the first inner cylinder and the guide cylinder, aerobic zones are formed between the first inner cylinder and the second inner cylinder, between the second inner cylinder and the third inner cylinder and between the third inner cylinder and the side wall of the reactor main body, and settling zones are formed above the second inner cylinder and the third inner cylinder;
the aeration disc is of an annular structure and is positioned below an annular area between the second inner cylinder and the third inner cylinder, and a plurality of aerators are uniformly distributed on the upper end face of the aeration disc;
the treatment device also comprises a saltpeter liquid return pipe, a sludge return pipe, a water inlet pipe and a water outlet, wherein the upper ends of the saltpeter liquid return pipe, the sludge return pipe and the water inlet pipe are arranged in the guide cylinder, the lower ends of the saltpeter liquid return pipe, the sludge return pipe and the water inlet pipe extend out of the reactor body, and the water outlet is arranged on the side wall of the upper part of the reactor body.
The high-salt high-ammonia nitrogen sewage treatment device is further optimized as follows: and a lifting stirrer is arranged at a position close to the bottom in the guide cylinder.
The high-salt high-ammonia nitrogen sewage treatment device is further optimized as follows: the ratio of the inner radius to the outer radius of the guide shell of the anoxic zone is 0.5-1:1.
The high-salt high-ammonia nitrogen sewage treatment device is further optimized as follows: the ratio of the area of the upflow zone to the area of the downflow zone in the aerobic zone is 0.8-1.2.
The high-salt high-ammonia nitrogen sewage treatment device is further optimized as follows: each aerator on the aeration disc can be independently controlled.
The high-salt high-ammonia nitrogen sewage treatment device is further optimized as follows: the area ratio of the aerobic zone to the anoxic zone is 1-3:1.
The high-salt high-ammonia nitrogen sewage treatment device is further optimized as follows: a safety port, a first exhaust port and a second exhaust port are arranged on a top cover of the reactor main body, and the first exhaust port is connected with a defoaming facility.
The high-salt high-ammonia nitrogen sewage treatment device is further optimized as follows: the bottom of the reactor is provided with a first sewage draining port and a second sewage draining port, the first sewage draining port is communicated to the aerobic zone, and the second sewage draining port is communicated to the anoxic zone.
The sewage treatment device has the following beneficial effects:
1. the sewage treatment device is an efficient reactor with an anoxic zone and an aerobic zone coupled, a biological carrier is filled in the aerobic zone, aerobic sludge can grow a biological membrane in the biological carrier through acclimation culture, the biological membrane can greatly improve the nitration reaction of ammonia nitrogen, the ammonia nitrogen in sewage is efficiently converted into nitrate, and meanwhile, the aerobic treatment efficiency of the saline sewage is stable. In the anoxic zone, because the aerobic zone provides stable nitrate radicals, the denitrification reaction is thorough, the nitrate radicals are decomposed into nitrogen by denitrifying bacteria, and ammonia nitrogen in the high-salinity sewage is removed.
2. The aerobic zone carrier in the sewage treatment device has good fluidization performance, and the traditional three-phase biological fluidized bed has to adopt a larger height-diameter ratio under the condition of not refluxing in order to ensure the sufficient fluidization of the carrier. The reactor of the invention can realize good fluidization of the carrier as long as the area of the upflow zone is proper (the upflow zone is too small to cause bubble polymerization) and a certain superficial gas velocity is ensured. Meanwhile, the carriers circularly flow between the upflow zone and the downflow zone, the friction and the shearing force are basically the same, the carrier layering phenomenon in the traditional three-phase fluidized bed is avoided, the carrier fluidization has good uniformity, and the good growth of the biological membrane is very favorable.
3. The aerobic zone in the sewage treatment device has high oxygen mass transfer efficiency, all gas in the traditional three-phase biological fluidized bed escapes from the top of the reactor, while in the reactor of the invention, liquid circularly flows between the upflow zone and the downflow zone, the circulating liquid carries some small bubbles in the upflow tube into the downflow zone, only part of the gas escapes from the top, so that the gas-liquid contact time is prolonged, and the oxygen utilization efficiency is higher.
4. The reactor of the sewage treatment device is easy to amplify, design and install, the reactor can ensure that the aerobic zone is similar to the test result after being amplified and designed by controlling parameters such as the air speed, the liquid circulation speed and the like of the upflow zone, and compared with the existing aerobic fluidized bed reactor with multiple guide cylinders coupled, the number of the guide cylinders is obviously reduced, and the design and the installation are easier.
5. The reactor structure of the sewage treatment device can reduce the overall height-diameter ratio of the reactor, save energy consumption, and the unit equipment has small occupied area and high efficiency of removing ammonia nitrogen, total nitrogen and COD.
A high-salt high-ammonia nitrogen sewage treatment method comprises the following steps: pumping high-salt high-ammonia nitrogen sewage into a water storage tank by a pump, adjusting the pH value, transferring the sewage into the treatment device by a water inlet pump for biochemical reaction, allowing the sewage after the biochemical reaction to enter a degassing tank for gas-water separation, allowing part of the sewage discharged from the degassing tank to enter a settling tank for mud-water separation, allowing part of the sewage to return to the treatment device by a nitrate liquid reflux pump for denitrification reaction, allowing the settled sludge from the bottom of the settling tank to enter an anoxic zone in the treatment device by a sludge reflux pump for biochemical reaction, and discharging clear water discharged from the settling tank after reaching the standard.
The high-salt high-ammonia nitrogen sewage treatment method is further optimized as follows: the pH value of the sewage is adjusted to 7-8 in a water storage tank.
The sewage treatment method of the invention has the following beneficial effects:
1. when the treatment method of the invention is used for treating high-salt high-ammonia nitrogen sewage, the high-salt production sewage does not need to be diluted (namely, the salinity of the high-salt sewage is reduced), and the high-salt high-ammonia nitrogen sewage can be directly subjected to biochemical treatment.
2. All unit devices in the sewage treatment method are hermetically treated, so that collection and treatment of malodorous gas are facilitated, and secondary pollution is avoided.
Drawings
FIG. 1 is a schematic view showing the internal structure of a sewage treatment apparatus (front view) according to the present invention;
FIG. 2 is a schematic view showing the internal structure of a sewage treatment apparatus according to the present invention (top view);
FIG. 3 is a schematic diagram showing the labeling of the inner radius and the outer radius of the guide shell in the anoxic zone in the sewage treatment plant according to the present invention;
FIG. 4 is a schematic diagram showing the area of the upflow zone and the area of the downflow zone of the aerobic zone in the sewage treatment apparatus according to the present invention;
FIG. 5 is a schematic diagram showing the labeling of the area of the aerobic zone and the area of the anoxic zone in the sewage treatment apparatus according to the present invention;
FIG. 6 is a schematic view of a process flow of the sewage treatment method of the present invention;
the labels in the figure are:
1. a reactor body;
2. a first inner cylinder;
3. a second inner barrel;
4. a third inner cylinder;
5. a draft tube;
6. a stirrer;
7. nitrate solution reflux pipe;
8. a sludge return pipe;
9. a water inlet pipe;
10. an aeration disc;
11A, a first drain outlet;
11B and a second sewage draining outlet;
12. screening holes;
13. a water outlet;
14. a top cover;
15. a safety vent;
16. a first exhaust port;
17. a second exhaust port;
18. a water storage tank;
19. a processing device;
20. a degassing tank;
21. and (5) a settling tank.
Detailed Description
For a better understanding of the present invention, the following examples are included to further illustrate the present invention, but the present invention is not limited to the following examples.
< high-salt high-ammonia nitrogen sewage treatment plant >
As shown in fig. 1 and 2: a high-salt high-ammonia nitrogen sewage treatment device comprises a reactor main body 1, a first inner cylinder 2, a second inner cylinder 3, a third inner cylinder 4, a guide cylinder 5 and an aeration disc 10.
The guide shell 5 is arranged at the central position in the reactor main body 1, and the first inner cylinder 2, the second inner cylinder 3 and the third inner cylinder 4 are sequentially sleeved outside the guide shell 5 from inside to outside. A gap is arranged between the lower end surface of the guide shell 5 and the bottom of the reactor main body 1, and the upper end surface of the guide shell 5 is lower than the upper end surface of the first inner cylinder 2.
An aerobic zone is formed between the first inner cylinder 2 and the second inner cylinder 3, between the second inner cylinder 3 and the third inner cylinder 4 and between the third inner cylinder 4 and the side wall of the reactor main body 1.
The lower end of the first inner cylinder 2 is connected with the bottom of the reactor main body 1, the side wall of the lower end of the first inner cylinder 2 is provided with a sieve pore 12, and sewage after denitrification treatment enters the aerobic zone through the sieve pore 12. A gap is arranged between the lower ends of the second inner cylinder 3 and the third inner cylinder 4 and the bottom of the reactor main body 1, and the upper end surfaces of the second inner cylinder 3 and the third inner cylinder 4 are lower than the upper end surface of the first inner cylinder 2.
Anoxic zones are formed inside the guide cylinder 5 and between the first inner cylinder 2 and the guide cylinder 5, wherein a flow descending zone is formed between the inner wall of the first inner cylinder 2 and the outer wall of the guide cylinder 5, an flow ascending zone is formed inside the guide cylinder 5, and a lifting type stirrer 6 is arranged at a position, close to the bottom, inside the guide cylinder 5. The treatment device 19 further comprises a nitrate liquid return pipe 7, a sludge return pipe 8, a water inlet pipe 9 and a water outlet 13, wherein the water outlet 13 is arranged on the upper side wall of the reactor main body 1, sewage is collected and discharged out of the reactor through the water outlet 13, and the water outlet 13 is a water outlet for normal operation of the reactor. The upper ends of the nitrate liquid reflux pipe 7, the sludge reflux pipe 8 and the water inlet pipe 9 are arranged in the guide shell 5, and the lower ends extend out of the reactor main body 1. This provides partial power for the promotion of sewage in the draft tube, saves power consumption. Meanwhile, sewage and nitrifying liquid return water are quickly and uniformly mixed with denitrifying biological bacteria, so that the impact of water inflow is reduced, the mass transfer efficiency is improved, and the reaction efficiency is improved.
As the area of the upper part of the aerobic zone is increased and the flow speed is reduced, a settling zone is formed above the second inner cylinder 3 and the third inner cylinder 4, the biological carrier and the sludge are separated from the sewage, the carrier and the sludge return to the aerobic zone to continuously participate in biochemical reaction, and the carrier mainly circularly flows between an upflow zone and a downflow zone of the aerobic zone.
The aeration disc 10 is of an annular structure and is positioned below an annular area between the second inner cylinder 3 and the third inner cylinder 4, a plurality of aerators are uniformly distributed on the upper end face of the aeration disc, and each aerator on the aeration disc 10 can be independently controlled so as to selectively open part of the aerators for aeration according to actual requirements.
The top cover 14 of the reactor body 1 is provided with a safety port 15, a first exhaust port 16 and a second exhaust port 17, and the first exhaust port 16 is connected with a defoaming facility. The defoaming facility can clear away the foam in the settling zone, guarantee the liquid level height in the reactor, maintain reactor normal operating.
The bottom of the reactor main body 1 is provided with a first sewage draining port 11A and a second sewage draining port 11B, the first sewage draining port 11A is communicated to the aerobic zone, the second sewage draining port 11B is communicated to the anoxic zone, the two sewage draining ports are respectively used for draining sewage in the aerobic zone and the anoxic zone, and the two sewage draining ports are mainly used for draining sewage during parking and overhauling of the device.
The ratio of the inner radius to the outer radius of the guide shell 5 in the anoxic zone is 0.5-1:1, wherein the inner radius of the guide shell 5 is shown as a in fig. 3, and the outer radius is the value obtained by subtracting the inner radius of the guide shell from the radius of the anoxic zone, as shown as b in fig. 3.
The area ratio of the upflow region to the downflow region in the aerobic region is 0.8-1.2. The area of the aerobic zone ascending flow area refers to the area indicated by c in fig. 4 (a single-oblique line area), and the area of the aerobic zone descending flow area refers to the area indicated by d in fig. 4 (a double-oblique line area).
The area ratio of the aerobic zone to the anoxic zone is 1-3:1, the area of the aerobic zone is the area indicated by e in figure 5 (double-oblique line area), the area of the anoxic zone is the area indicated by f in figure 5 (single-oblique line area), and the structural characteristics can improve the efficiency of removing ammonia nitrogen, total nitrogen and COD of the reactor.
< method for treating high-salt high-ammonia nitrogen sewage >
As shown in fig. 6: a high-salt high-ammonia nitrogen sewage treatment method is characterized in that high-salt high-ammonia nitrogen sewage is pumped into a water storage tank 18 by a pump, the pH value of the high-salt high-ammonia nitrogen sewage is adjusted to 7-8, then the high-salt high-ammonia nitrogen sewage is transferred into a treatment device 19 according to claim 1 by a water inlet pump to carry out biochemical reaction, the sewage enters a degassing tank 20 to carry out gas-water separation after the biochemical reaction, a part of the sewage discharged from the degassing tank 20 enters a settling tank 21 to carry out mud-water separation, a part of the sewage returns to the treatment device 19 by a nitrate liquid reflux pump to carry out denitrification reaction, the settled sludge from the bottom of the settling tank 21 enters an anoxic zone in the treatment device 19 by a sludge reflux pump to carry out the biochemical reaction continuously, and clear water discharged from the settling tank 21 reaches the standard and is discharged.
The sewage has high salt, high ammonia nitrogen, high total nitrogen and COD, the reaction time is 28 hours, the reaction efficiency is greatly improved compared with the existing high-salt sewage treatment time of 60-100 hours, and the water quality indexes of the effluent of each device are recorded in the following table.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. The utility model provides a high salt high ammonia nitrogen sewage treatment plant which characterized in that: comprises a reactor main body (1), a first inner cylinder (2), a second inner cylinder (3), a third inner cylinder (4), a guide cylinder (5) and an aeration disc (10);
the guide cylinder (5) is arranged at the central position in the reactor main body (1), and the first inner cylinder (2), the second inner cylinder (3) and the third inner cylinder (4) are sequentially sleeved outside the guide cylinder (5) from inside to outside;
the lower end of the first inner cylinder (2) is connected with the bottom of the reactor main body (1), the side wall of the lower end of the first inner cylinder (2) is provided with sieve pores (12), a gap is reserved between the lower ends of the second inner cylinder (3) and the third inner cylinder (4) and the bottom of the reactor main body (1), and the upper end surfaces of the second inner cylinder (3) and the third inner cylinder (4) are lower than the upper end surface of the first inner cylinder (2);
anoxic zones are formed inside the guide cylinder (5) and between the first inner cylinder (2) and the guide cylinder (5), aerobic zones are formed between the first inner cylinder (2) and the second inner cylinder (3), between the second inner cylinder (3) and the third inner cylinder (4) and between the third inner cylinder (4) and the side wall of the reactor main body (1), and settling zones are formed above the second inner cylinder (3) and the third inner cylinder (4);
the aeration disc (10) is of an annular structure, is positioned below an annular area between the second inner cylinder (3) and the third inner cylinder (4), and is uniformly distributed with a plurality of aerators on the upper end surface;
the treatment device (19) further comprises a saltpeter liquid return pipe (7), a sludge return pipe (8), a water inlet pipe (9) and a water outlet (13), wherein the upper ends of the saltpeter liquid return pipe (7), the sludge return pipe (8) and the water inlet pipe (9) are arranged in the guide cylinder (5), the lower ends of the saltpeter liquid return pipe, the sludge return pipe (8) and the water inlet pipe (9) extend out of the reactor main body (1) to be arranged, and the water outlet (13) is arranged on the upper side wall of the reactor main body (1).
2. The high-salinity high-ammonia nitrogen sewage treatment device according to claim 1, characterized in that: and a lifting stirrer (6) is arranged in the guide cylinder (5) and close to the bottom.
3. The high-salt high-ammonia nitrogen sewage treatment device according to claim 1, characterized in that: the ratio of the inner radius to the outer radius of the guide shell (5) of the anoxic zone is 0.5-1:1.
4. The high-salinity high-ammonia nitrogen sewage treatment device according to claim 1, characterized in that: the ratio of the area of the upflow zone to the area of the downflow zone in the aerobic zone is 0.8-1.2.
5. The high-salinity high-ammonia nitrogen sewage treatment device according to claim 1, characterized in that: each aerator on the aeration disc (10) can be controlled independently.
6. The high-salt high-ammonia nitrogen sewage treatment device according to claim 1, characterized in that: the area ratio of the aerobic zone to the anoxic zone is 1-3:1.
7. The high-salinity high-ammonia nitrogen sewage treatment device according to claim 1, characterized in that: a safety port (15), a first exhaust port (16) and a second exhaust port (17) are arranged on a top cover (14) of the reactor main body (1), and the first exhaust port (16) is connected with a defoaming facility.
8. The high-salinity high-ammonia nitrogen sewage treatment device according to claim 1, characterized in that: the reactor is characterized in that a first sewage draining port (11A) and a second sewage draining port (11B) are arranged at the bottom of the reactor main body (1), the first sewage draining port (11A) is communicated to the aerobic zone, and the second sewage draining port (11B) is communicated to the anoxic zone.
9. A high-salt high-ammonia nitrogen sewage treatment method is characterized in that: pumping high-salt high-ammonia nitrogen sewage into a water storage tank (18) by a pump, adjusting the pH value, transferring the sewage into the treatment device (19) of claim 1 by a water inlet pump to carry out biochemical reaction, introducing the sewage into a degassing tank (20) to carry out gas-water separation after the biochemical reaction, introducing a part of the sewage discharged from the degassing tank (20) into a settling tank (21) to carry out mud-water separation, returning a part of the sewage into the treatment device (19) by a nitrate liquid reflux pump to carry out denitrification reaction, introducing settled sludge from the bottom of the settling tank (21) into an anoxic zone in the treatment device (19) by a sludge reflux pump to carry out biochemical reaction continuously, and discharging clear water discharged from the settling tank (21) after reaching the standard.
10. The method for treating high-salt high-ammonia nitrogen sewage according to claim 9, characterized by comprising the following steps: the pH value of the sewage is adjusted to 7-8 in a water storage tank (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210937996.3A CN115466005A (en) | 2022-08-05 | 2022-08-05 | High-salt high-ammonia nitrogen sewage treatment device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210937996.3A CN115466005A (en) | 2022-08-05 | 2022-08-05 | High-salt high-ammonia nitrogen sewage treatment device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115466005A true CN115466005A (en) | 2022-12-13 |
Family
ID=84367726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210937996.3A Pending CN115466005A (en) | 2022-08-05 | 2022-08-05 | High-salt high-ammonia nitrogen sewage treatment device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115466005A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001070982A (en) * | 1999-08-31 | 2001-03-21 | Japan Science & Technology Corp | Method and apparatus for cleaning wastewater |
| CN1626460A (en) * | 2003-12-09 | 2005-06-15 | 中国科学院成都生物研究所 | Bioreactor for treating wastewater |
| CN203639230U (en) * | 2013-12-25 | 2014-06-11 | 徐州工程学院 | Air-lift inner circulation combined filler bioreactor |
| CN205241349U (en) * | 2015-12-11 | 2016-05-18 | 重庆阁林环保科技有限公司 | AO microdilatancy fluidized bed integration equipment |
| CN109160672A (en) * | 2018-08-21 | 2019-01-08 | 海南大学 | A method of high ammonia-nitrogen wastewater advanced nitrogen and mud decrement are realized based on free ammonia (FA) processing sludge |
| JP2022001368A (en) * | 2021-06-29 | 2022-01-06 | 南京大学 | Organic nitrogen wastewater treatment system and method |
-
2022
- 2022-08-05 CN CN202210937996.3A patent/CN115466005A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001070982A (en) * | 1999-08-31 | 2001-03-21 | Japan Science & Technology Corp | Method and apparatus for cleaning wastewater |
| CN1626460A (en) * | 2003-12-09 | 2005-06-15 | 中国科学院成都生物研究所 | Bioreactor for treating wastewater |
| CN203639230U (en) * | 2013-12-25 | 2014-06-11 | 徐州工程学院 | Air-lift inner circulation combined filler bioreactor |
| CN205241349U (en) * | 2015-12-11 | 2016-05-18 | 重庆阁林环保科技有限公司 | AO microdilatancy fluidized bed integration equipment |
| CN109160672A (en) * | 2018-08-21 | 2019-01-08 | 海南大学 | A method of high ammonia-nitrogen wastewater advanced nitrogen and mud decrement are realized based on free ammonia (FA) processing sludge |
| JP2022001368A (en) * | 2021-06-29 | 2022-01-06 | 南京大学 | Organic nitrogen wastewater treatment system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100422211B1 (en) | Management Unit and Method of Foul and Waste Water | |
| CN210001741U (en) | Sewage treatment device | |
| CN213202742U (en) | Kitchen garbage anaerobic digestion natural pond liquid processing apparatus | |
| CN114084950A (en) | Slaughtering and meat processing industrial wastewater treatment device and operation method thereof | |
| CN113087321A (en) | Container formula electro-Fenton biochemical pond MBR membrane allies oneself with uses water treatment system | |
| CN112299653A (en) | Efficient denitrification treatment method for kitchen wastewater | |
| CN105060482A (en) | Apparatus for treating coking wastewater through immobilized MBR autotroph nitrogen removal, and method thereof | |
| CN109485151B (en) | Device and process for treating wastewater from production of ethylene glycol from synthesis gas | |
| CN110054349A (en) | A kind of economical dyeing waste water denitrogenation processing system | |
| CN112794581B (en) | Concentric cylinder type sewage treatment device and technology for synchronously realizing sludge in-situ reduction and pollutant removal | |
| CN215102672U (en) | Concentric cylinder type sewage treatment device capable of synchronously realizing sludge in-situ reduction and pollutant removal | |
| CN115466005A (en) | High-salt high-ammonia nitrogen sewage treatment device and method | |
| CN214244097U (en) | High concentration landfill leachate's processing system | |
| CN212770323U (en) | Tank type biological deep purification device for sewage | |
| CN110451635B (en) | Biological treatment system and method for high-salt high-organic matter industrial wastewater | |
| CN209352631U (en) | A kind of electric field-enhanced type anaerobic ammonium oxidation apparatus | |
| CN111499123A (en) | Tank type biological deep purification device for sewage | |
| CN215365092U (en) | High organic nitrogen waste water anaerobic ammoniation processing apparatus | |
| CN220132034U (en) | Novel combined process treatment device for treating maleic anhydride wastewater | |
| CN218115230U (en) | Treatment device for circulating cooling water | |
| CN211999364U (en) | Wool spinning printing and dyeing wastewater treatment system | |
| CN218810837U (en) | Automatic allocation type biological denitrification device for high-organic high-ammonia-nitrogen wastewater treatment | |
| CN204779216U (en) | AO sewage treatment's mud -water separation system | |
| CN214060241U (en) | Sewage advanced denitrification treatment system based on biological synergism | |
| CN104129843B (en) | A kind of waste disposal plant and operating procedure thereof adopting continous way biomembrance process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |