CN214141759U - High-efficient good oxygen nitration device - Google Patents
High-efficient good oxygen nitration device Download PDFInfo
- Publication number
- CN214141759U CN214141759U CN202023212728.0U CN202023212728U CN214141759U CN 214141759 U CN214141759 U CN 214141759U CN 202023212728 U CN202023212728 U CN 202023212728U CN 214141759 U CN214141759 U CN 214141759U
- Authority
- CN
- China
- Prior art keywords
- reaction tank
- pipe
- dosing
- water
- water inlet
- 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.)
- Active
Links
Images
Classifications
-
- 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
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a high-efficient good oxygen nitration device relates to sewage treatment technical field, include: reaction tank main part device, medicine system, tail gas processing system, aeration systems, row's mud system, autonomous system. The main body device is provided with a water inlet area, a biological filler area, micropore distribution aeration, inclined plate sedimentation, backflow, sludge discharge and water outlet. The automatic control system comprises pH control, DO control, water inlet flow control, backflow water flow control and sludge discharge control. The activated sludge, the suspended filler, the combined filler/elastic filler and the inclined plate sedimentation are arranged in the main body tank from bottom to top, sewage respectively passes through the accelerated aerobic nitrification of an activated sludge method, a biofilm method, a fixed bed biofilm formation and sedimentation in the same reaction tank, the ammonia nitrogen removal rate is more than 85 percent, and the treatment effect is excellent.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a high-efficiency aerobic nitrification device.
Background
Excessive ammonia nitrogen discharged into water body can cause eutrophication of water body, the ornamental value of water body is reduced, and nitrate and nitrite generated by oxidation can influence the health of aquatic organisms and even human beings. The ammonia nitrogen treatment is commonly carried out by a stripping method, a chemical precipitation method and a biological method, wherein the stripping process needs to adjust the pH value of wastewater, and needs to add a large amount of alkali, wherein each kilogram of NH4 +The N treatment cost is 1.8-10 yuan, scaling is easy to generate, secondary pollution is generated, effluent cannot reach the standard and is discharged, and a further treatment process is needed; adding phosphate and magnesium salt into ammonia nitrogen wastewater by a chemical precipitation method to enable ammonia nitrogen, phosphate and magnesium salt in the wastewater to generate insoluble magnesium ammonium phosphate precipitate (MgNH)4PO4·6H2O) to achieve the aim of removing ammonia nitrogen in the wastewater, and has large medicament dosage and high treatment cost, wherein each kilogram of NH4 +The treatment cost of-N is 50-70 yuan, and phosphorus pollution to wastewater can be caused. The biological method has the advantages that: can remove various nitrogen compounds, can thoroughly degrade ammonia nitrogen, has a total ammonia nitrogen removal rate of over 95 percent, and has small secondary pollution and low operation cost.
In recent years, in the process of sewage treatment, biological methods are widely applied due to the reasons of simple process, strong treatment capacity, flexible operation and the like, and new process technologies such as partial nitrification and denitrification, synchronous nitrification and denitrification and anaerobic ammonia oxidation are created. The new process has strict control on environmental factors and relatively narrow application range, and the engineering application of the new process is hindered to a certain extent. At present, the aerobic nitrification process is relatively widely applied to engineering, but the multiplication time of ammonia oxidizing bacteria is 8 hours to several days, the multiplication time of nitrifying bacteria is 10 hours to several days, a common commercially available nitrifying bacteria agent takes effect after being added for 24 hours, and effluent reaches the standard after 3-7 days, so that the aerobic nitrification rate is influenced to a great extent; in a treatment system with large water flow, the nitrifying flora is seriously lost, so that the nitrification efficiency is lower. Therefore, it is necessary to develop and design a device for efficiently and stably immobilizing nitrifying bacteria, increasing the concentration of the bacteria in an aerobic nitrification system and further increasing the aerobic nitrification rate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient good oxygen nitration device, aim at solving the above-mentioned problem that proposes.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-efficient good oxygen nitrifies device, this high-efficient good oxygen nitrifies device includes reaction tank, its characterized in that: the cylinder is designed into to the reaction tank main part, and the cone is designed into to the bottom, and reaction tank upper portion is provided with the weir, there is thin grid at the weir both ends, the outlet pipe is connected on the right side, it gets into next processing unit to go out water through the drain valve, the back flow is connected in the left side, the back flow is through adjustable water flowmeter connection inlet tube, set up the three-layer fixed network in the middle of the reaction tank, have the combination to pack between the fixed network, be equipped with the swash plate group on, the reaction tank lower part is equipped with the suspension and packs, activated sludge, aeration systems, the reaction tank left side is equipped with water intake system, the reaction tank bottom is equipped with row mud system, set up a sample connection under the middle part of the reaction tank lateral wall, be connected with the sample valve.
Preferably, the reaction tank is provided with an automatic control system which comprises control sites such as pH control, DO control, water inlet flow control, backflow water flow control, sludge discharge control and the like, the pH control is controlled by associating pH electrode monitoring with a dosing metering pump, and the DO control is controlled by associating DO electrode monitoring with a gas flow meter.
Preferably, the outer wall of the reaction tank is made of a heat insulation material.
Preferably, the water inlet system comprises a water inlet pipe and a water inlet metering pump.
Preferably, the aeration system comprises an aeration pump, a microporous aeration pipe and a gas flowmeter.
Preferably, the sludge discharge system is provided with a sludge discharge pipe and a sludge pump.
Preferably, the reaction tank is provided with a dosing system which comprises a dosing storage tank, a dosing pipe and a dosing metering pump, the dosing pipe is communicated with the middle lower part of the reaction tank from the top, the dosing storage tank is fixed at the end of the dosing pipe far away from the reaction tank, and the dosing metering pump is fixed outside the dosing pipe.
Preferably, the reaction tank is provided with a tail gas treatment system which comprises an exhaust pipe, an exhaust valve and a gas purification device.
The utility model has the advantages that:
1. the utility model discloses an utilize the swash plate group can effectively hold back in the high-efficient good oxygen device of nitrifying and nitrify mud, reduce the suspended solid in the aquatic, improve sludge concentration in the system, have the dual function of good oxygen nitration and sedimentation tank simultaneously.
2. The sewage respectively passes through the efficient aerobic nitrification of an activated sludge method, a biomembrane method, a 'fixed bed' membrane hanging and precipitation in the same reaction tank, the ammonia nitrogen removal rate is more than 85 percent, and the treatment effect is better.
3. The utility model discloses a go out water reflux system, effectively dilute newly intaking in the pollutant concentration, prolonged hydraulic retention period to a certain extent, the guarantee goes out water quality of water.
4. The utility model designs a tail gas treatment system, reduces volatilizing of harmful gas in the sewage treatment process.
Drawings
FIG. 1 is a schematic structural view of the high-efficiency aerobic nitrification apparatus of the present invention;
wherein: 1-a water inlet metering pump; 2-water inlet pipe; 3-a sampling port; 4-a sampling valve; 5-a return pipe; 6-adjustable water flow meter; 7-fine grating; 8-outer wall; 9-granular sludge; 10-suspended fillers; 11-combination/elastomeric fillers; 12-a sloping plate; 13-adding a medicine storage tank; 14-a medicine feeding pipe; 15-dosing a metering pump; 16-a sludge discharge pipe; 17-a sludge pump; 18-microporous aeration pipes; 19-a gas flow meter; 20-an aeration device; 21-pH electrode; 22-DO electrode; 23-fixing the net; 24-a water outlet pipe; 25-a drain valve; 26-an exhaust pipe; 27-an exhaust valve; 28-a gas purification device; a-pH control; b-DO control; c-controlling the water inlet flow; d-controlling the flow of the reflux water; e-sludge discharge control.
Detailed Description
In order to further understand the contents, features and functions of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
Referring to FIG. 1, a high-efficiency aerobic nitrification apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
The high-efficiency aerobic nitrification device comprises a reaction tank, wherein the main body of the reaction tank is designed into a cylinder, the bottom of the reaction tank is designed into a cone, the upper part of the reaction tank is provided with a drainage weir, two ends of the drainage weir are provided with thin grids 7, the right side of the drainage weir is connected with a water outlet pipe 24, the outlet water enters a next treatment unit through a drainage valve 25, the left side of the reaction tank is connected with a backflow pipe 5, the backflow pipe is connected with a water inlet pipe 2 through an adjustable water flowmeter 6, the middle of the reaction tank is provided with three layers of fixed nets 23, a combined filler 11 is arranged between the fixed nets, an inclined plate group 12 is arranged on the fixed nets, the lower part of the reaction tank is provided with a suspended filler 10, activated sludge 9 and an aeration system, the left side of the reaction tank is provided with a water inlet system, the bottom of the reaction tank is provided with a sludge discharge system, a sampling port 3 is arranged in the side wall of the reaction tank, the sampling valve 4 is connected, and the sampling port can monitor the water quality index in the system at regular time; wherein, the suspension filler adopts one or a combination of a plurality of polyethylene, polypropylene, polyurethane foam and suspension balls; wherein the combined filler is one or a combination of a multi-hair platy combined filler and an imported yarn three-dimensional biofilm elastic filler and a semi-soft filler; wherein the activated sludge is one or two of the combination of activated sludge in an aerobic tank of the same kind of sewage treatment plant and aerobic nitrification sludge.
In this embodiment, the controller is selected as required, for example, a computer is used for control, the controller may set control sites such as pH monitoring and controlling a, DO monitoring and controlling b, water inflow controlling c, water backflow controlling d, sludge discharge controlling e, and the like as required, the pH controlling a uses the pH electrode 21 for monitoring and controlling the dosing pump 15 in association, and the DO controlling b uses the DO electrode 22 for monitoring and controlling the gas flowmeter 19 in association, so as to reduce manual operation and facilitate data monitoring and operation management.
In this embodiment, the outer wall 8 of reaction tank adopts insulation material, adopt conventional insulation material to make can, improve the heat preservation effect, even when ambient temperature is lower, also can ensure the sewage treatment efficiency of equipment.
In this embodiment, water inlet system includes inlet tube 2 and intake metering pump 1, and the inlet tube setting leans on at reaction tank side bottom, and the model of the suitable range of water flow selection according to the design of intake metering pump needs to possess the function that water flow was adjusted and was monitored actual water flow.
In the embodiment, the aeration system comprises an aeration pump 20, a microporous aeration pipe 18 and a gas flow meter 19, wherein the aeration pump 20 can be a conventional aeration device; the microporous aeration pipe 18 adopts a variable microporous aeration hose.
In this embodiment, the sludge discharge system is provided with a sludge discharge pipe 16 and a sludge pump 17, the sludge pump 17 is of a conventional type, sludge is regularly discharged, sludge is collected in the cone and pumped out through the sludge discharge pipe 16, and the smooth discharge of residual sludge is guaranteed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A high-efficiency aerobic nitrification device is characterized by comprising a reaction tank, wherein the main body of the reaction tank is designed into a cylinder, the bottom of the reaction tank is designed into a cone, a water discharge weir is arranged on the upper part of the reaction tank, fine grids (7) are arranged at the two ends of the water discharge weir, a water outlet pipe (24) is connected on the right side, effluent enters a next treatment unit through a water discharge valve (25), a backflow pipe (5) is connected on the left side and is connected with a water inlet pipe (2) through an adjustable water flowmeter (6), three layers of fixing nets (23) are arranged in the middle of the reaction tank, combined fillers (11) are arranged between the fixing nets, an inclined plate group (12) is arranged on the fixing nets, suspended fillers (10), activated sludge (9) and an aeration system are arranged on the lower part of the reaction tank, a water inlet system is arranged on the left side of the reaction tank, a sludge discharge system is arranged at the bottom of the reaction tank, and a sampling port (3) is arranged in the side wall of the reaction tank under the lower part, a sampling valve (4) is connected.
2. The high-efficiency aerobic nitrification device according to claim 1, wherein the reaction tank is provided with an automatic control system comprising a pH control site (a), a DO control site (b), a water inlet flow control site (c), a water return flow control site (d) and a sludge discharge control site (e), the pH control site (a) is monitored by a pH electrode (21) and is controlled in association with a dosing pump (15), and the DO control site (b) is monitored by a DO electrode (22) and is controlled in association with a gas flow meter (19).
3. The high-efficiency aerobic nitrification device according to claim 1, wherein the outer wall (8) of the reaction tank is made of heat-insulating material.
4. The high-efficiency aerobic nitrification device according to claim 1, wherein the water inlet system comprises a water inlet pipe (2) and a water inlet metering pump (1).
5. The high-efficiency aerobic nitrification apparatus according to claim 1, wherein the aeration system comprises an aeration pump (20), a microporous aeration pipe (18) and a gas flow meter (19).
6. The high-efficiency aerobic nitrification device according to claim 1, wherein the sludge discharge system is provided with a sludge discharge pipe (16) and a sludge pump (17).
7. The high-efficiency aerobic nitrification device according to claim 1, wherein the reaction tank is provided with a dosing system, which comprises a dosing storage tank (13), a dosing pipe (14) and a dosing metering pump (15), the dosing pipe (14) is communicated to the middle lower part of the reaction tank from the top, the dosing storage tank (13) is fixed at the end of the dosing pipe (14) far away from the reaction tank, and the dosing metering pump (15) is fixed outside the dosing pipe (14).
8. The high-efficiency aerobic nitrification device according to claim 1, wherein the reaction tank is provided with a tail gas treatment system comprising a vent pipe (26), a vent valve (27) and a gas purification device (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023212728.0U CN214141759U (en) | 2020-12-28 | 2020-12-28 | High-efficient good oxygen nitration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023212728.0U CN214141759U (en) | 2020-12-28 | 2020-12-28 | High-efficient good oxygen nitration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214141759U true CN214141759U (en) | 2021-09-07 |
Family
ID=77542046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023212728.0U Active CN214141759U (en) | 2020-12-28 | 2020-12-28 | High-efficient good oxygen nitration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214141759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349260A (en) * | 2021-11-23 | 2022-04-15 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Multi-medium aeration integrated sewage treatment device and sewage treatment method |
-
2020
- 2020-12-28 CN CN202023212728.0U patent/CN214141759U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349260A (en) * | 2021-11-23 | 2022-04-15 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Multi-medium aeration integrated sewage treatment device and sewage treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101870540B (en) | System and method for treating nitrogen and phosphorus in urban sewage | |
| CN102452768A (en) | Denitrifying phosphorus removal-anammox-shortcut nitrification integrated baffled reaction equipment | |
| CN109502750B (en) | Functional green top type sewage regeneration ultra-clean treatment process | |
| CN105330018A (en) | Urban sewage treatment device and method for quick realization of partial nitrification based on free nitrous acid inhibition | |
| CN102115296A (en) | Novel multi-cell denitrifying membrane bioreactor | |
| CN108249559A (en) | The culture operation method of the continuous-flow aerobic granular sludge of sanitary sewage is handled under a kind of room temperature | |
| CN101186390A (en) | Anaerobic-anoxic oxidation pitch technique denitrification dephosphorization device and method | |
| CN105502826A (en) | Efficient nitrogen and phosphorus removal waste water treatment process and device | |
| CN102583743A (en) | Dual-sludge denitrification dephosphorizing and denitrifying A/A-O device and method | |
| CN106219904A (en) | A kind of denitrification dephosphorization system for the treatment of of Power Industrial Recirculating Cooling Water | |
| CN104176824A (en) | Ammonium nitrate wastewater biochemical treatment device and operation method thereof | |
| CN214141759U (en) | High-efficient good oxygen nitration device | |
| CN103435220A (en) | Coupled A[2]O suspended filler process and cloth media filter integrated nitrogen and phosphorus removal device and method | |
| CN101633545A (en) | Integrated biological and ecological cooperative sewage treatment reactor | |
| CN104986854B (en) | Sludge reflux control system, method and sewage disposal system | |
| RU2466104C2 (en) | Station for biological treatment of waste water (versions) | |
| CN210683343U (en) | Rural domestic sewage MBR integration processing apparatus | |
| CN105753251B (en) | Sewage disposal system and sewage water treatment method | |
| CN101633532A (en) | Nitrogen removal processing method and nitrogen removal processing apparatus | |
| CN106430586A (en) | Enhanced nitrogen-removing A/O flow-separating biochemical pond | |
| CN102424503A (en) | Method for treating high-concentration nitrogen-containing waste water and reactor for realizing the same | |
| KR100336484B1 (en) | A Soil Clothing-Style Contact Oxidation Apparatus with Recycle of Nitrified Liquid and Contact Oxidation Method of Using the Same | |
| CN214243929U (en) | Sewage treatment plant of AAO + MBBR + MBR technology | |
| CN105254030B (en) | A kind of BioDopp biochemical reactors for low carbon-nitrogen ratio sewage denitrogenation | |
| CN205133257U (en) | A bioDopp biochemical reactor that is used for low carbon -nitrogen ratio sewage denitrogenation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |