CN209906552U - Wastewater treatment system containing ammonia nitrogen - Google Patents
Wastewater treatment system containing ammonia nitrogen Download PDFInfo
- Publication number
- CN209906552U CN209906552U CN201821505132.XU CN201821505132U CN209906552U CN 209906552 U CN209906552 U CN 209906552U CN 201821505132 U CN201821505132 U CN 201821505132U CN 209906552 U CN209906552 U CN 209906552U
- Authority
- CN
- China
- Prior art keywords
- ammonia nitrogen
- tank
- stripping tower
- nitrogen stripping
- tower
- 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
Landscapes
- Physical Water Treatments (AREA)
Abstract
The utility model discloses a wastewater treatment system containing ammonia nitrogen, at least comprising a homogenizing tank, a nanofiltration unit, an ammonia nitrogen stripping tower and a biochemical treatment unit. The homogenizing tank is connected with an ammonia nitrogen stripping tower connected with the biochemical treatment unit through a nanofiltration unit; the top end of the ammonia nitrogen stripping tower is provided with at least one water inlet connected with the nanofiltration unit; the bottom of the ammonia nitrogen stripping tower is provided with at least one water outlet connected with the biochemical treatment unit. The ammonia nitrogen stripping tower is provided with at least one aeration plate which comprises a plurality of through holes and is arranged along the axis of the ammonia nitrogen stripping tower in sequence; the ammonia nitrogen stripping tower is provided with a heater for maintaining the temperature of at least one aeration plate; the ammonia nitrogen stripping tower is provided with at least one layer of packing layer taking zeolite as a substrate. The high-concentration ammonia nitrogen wastewater treated by the system reaches the national first-level discharge standard, and the whole system has economical efficiency and environmental friendliness.
Description
Technical Field
The utility model relates to a water treatment field especially relates to a wastewater treatment system who contains ammonia nitrogen.
Background
In recent years, with the rapid development of industries such as petrochemical industry, electric power industry, metallurgy industry, coal chemical industry and the like, the amount of sewage containing complex components such as reverse osmosis concentrated water, industrial sewage, circulating sewage, part of process drainage and the like generated in the industrial production process is increased year by year, and sewage discharge is an ecological problem to be solved urgently. The wastewater containing ammonia nitrogen has wide source and large discharge, and can generate wastewater containing ammonia nitrogen in fertilizer plants, oil refineries, pharmaceutical factories and the like. The ammonia nitrogen wastewater is discharged into the environment, thereby causing water eutrophication gathered in the natural environment and destroying the ecological environment. The currently adopted discharge standard in China is the integrated wastewater discharge standard, which divides the ammonia nitrogen discharge standard into two stages according to the difference of wastewater discharge areas: the discharge concentration of the first-level standard ammonia nitrogen is less than or equal to 15mg/L, and the discharge concentration of the second-level standard ammonia nitrogen is less than or equal to 25 mg/L.
The commonly used ammonia nitrogen wastewater treatment methods mainly comprise an ion exchange method, a physical and chemical method mainly based on ammonia stripping, chemical precipitation and catalytic cracking, a physical method mainly based on reverse osmosis, distillation and soil irrigation, a biochemical method mainly based on nitrification and algae cultivation and an electrochemical method mainly based on electrocatalysis. For example, the Chinese patent with publication number CN108069548A discloses an electrocatalytic ammonia nitrogen water treatment device. The device comprises a device main body, wherein an electro-catalysis pool is fixedly arranged in the middle of the inside of the device main body, a detection pool is fixedly arranged on one side of the electro-catalysis pool, a filter pool is fixedly arranged on one side of the electro-catalysis pool, and a cover plate is movably arranged on the outer surface of the upper end of the filter pool. The electrocatalytic ammonia-nitrogen water treatment equipment provided by the invention is provided with the waste residue recovery tank, the pH value detector and the reverse osmosis membrane, can be used for recovering discharged waste residues for unified treatment, effectively avoids environment pollution caused by random discharge, and can well detect the pH value in ammonia-nitrogen water, so that workers can conveniently control the addition amount of an oxidant, the consumption of the oxidant is effectively saved, the conversion is more thorough, heavy metal ions can be effectively prevented from permeating, heavy metals in the ammonia-nitrogen water are effectively treated, and a better use prospect is brought.
Firstly, an oxidant is introduced into the equipment, and the harm of chemical substances generated by the oxidant to a water body is also considered in the subsequent sewage treatment; secondly, the whole device has huge power consumption and low economic performance by adopting an electrochemical method. Therefore, there is a need for an economical ammonia nitrogen-containing wastewater treatment system which can directly discharge treated wastewater.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a wastewater treatment system containing ammonia nitrogen. The ammonia nitrogen-containing wastewater treatment system at least comprises a homogenizing tank, a nanofiltration unit, an ammonia nitrogen stripping tower and a biochemical treatment unit. Wherein the ammonia nitrogen stripping tower is provided with at least one aeration plate which comprises a plurality of through holes and is arranged along the axial direction of the ammonia nitrogen stripping tower in sequence; the ammonia nitrogen stripping tower is provided with a heater for maintaining the temperature of the at least one aeration plate.
According to a preferred embodiment, the top end of the ammonia nitrogen stripping tower is provided with at least one water inlet, so that the ammonia nitrogen stripping tower is connected with the nanofiltration unit through the water inlet; the bottom of the ammonia nitrogen stripping tower is provided with at least one water outlet so that the ammonia nitrogen stripping tower is connected with the biochemical treatment unit through the water outlet.
According to a preferred embodiment, the ammonia nitrogen stripping tower is provided with at least one layer of filler layer taking zeolite as a substrate.
According to a preferred embodiment, the homogenizing tank is provided with a first PH detector for measuring the PH of the incoming wastewater and/or a first temperature detector for measuring the temperature of the incoming wastewater; and/or the homogenizing pool is provided with a second PH detector for measuring the PH of the discharged wastewater and/or a second temperature detector for measuring the discharged wastewater; and/or the homogenizing tank is provided with an aerator pipe which is connected with an aerator and contains a plurality of through holes.
According to a preferred embodiment, the nanofiltration unit is connected to a concentrate tank by means of a pipe.
According to a preferred embodiment, the ammonia nitrogen stripping tower is connected with an ammonia nitrogen recovery tower through a first fan; and/or the biochemical treatment unit is connected with the ammonia nitrogen recovery tower through a second fan; and/or the homogenizing tank is connected with the ammonia nitrogen recovery tower through a third fan.
According to a preferred embodiment, the ammonia nitrogen recovery tower is connected with the dosing tank through a dosing pump.
According to a preferred embodiment, the biochemical treatment unit is an aerobic aeration tank containing activated sludge provided with a third PH detector, a third temperature detector and/or an oxygen concentration detector.
According to a preferred embodiment, the biochemical treatment unit is connected to the ammonia resin exchanger based on a large-pore resin by means of a pipe.
According to a preferred embodiment, the homogenization tank is further connected with a pretreatment unit comprising a sequencing batch sedimentation tank and/or a sludge recovery tank; wherein, the waste material inlet of the homogenizing tank is connected with the waste material outlet of the sequencing batch sedimentation tank through a pipeline; the sequencing batch sedimentation tank comprises at least one pre-sedimentation tank, and the at least one pre-sedimentation tank is connected in series and/or in parallel; the sludge recovery tank comprises a sludge concentration tank, a dewatering centrifuge and/or a sludge tank; the sludge concentration tank, the dewatering centrifuge and/or the sludge tank are sequentially connected in series; the sludge concentration tank is connected with the sequencing batch sedimentation tank through a sludge pump.
The utility model provides an contain waste water treatment system of ammonia nitrogen, this concrete advantage has:
(1) the system comprises an aeration device, and ammonia nitrogen is removed through the interaction between the aeration device and the sewage. The method does not need to add any oxidant, only needs to add alkali, and the product of the alkali has little pollution to the environment, such as NaOH is added into a homogenizing pool, and the product of the NaOH is water.
(2) The zeolite is used as the filler of the ammonia nitrogen stripping tower, and can be regenerated according to the physical adsorption effect of the zeolite, so that the method has high economy.
(3) The ammonia nitrogen content after the treatment of the whole system is less than 5mg/L, and reaches the national first-level discharge standard.
Drawings
FIG. 1 is a schematic block diagram of a wastewater treatment system containing ammonia and nitrogen provided by the present invention; and
FIG. 2 is a schematic diagram of an optimized structure of an ammonia nitrogen stripping tower of an ammonia nitrogen-containing wastewater treatment system provided by the utility model.
List of reference numerals
10: the homogenizing tank 17: concentrated water tank
11: a nanofiltration unit 121: exhaust port
12: ammonia nitrogen stripping tower 122: water inlet
13: the biochemical processing unit 123: packing layer
14: ammonia resin exchanger 124: water outlet
15: an ammonia nitrogen recovery tower 125: heating device
16: the preprocessing unit 126: aeration plate
Detailed Description
The following detailed description is made with reference to the accompanying drawings.
In the description of the present invention, the terms "first", "second", "third" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first," "second," "third," and so forth may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "inner", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present invention, the term "detachably" is one of bonding, key connection, screw connection, pin connection, snap connection, hinge connection, clearance fit, or transition fit. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Example 1
Ammonia nitrogen is removed from the wastewater containing ammonia nitrogen by the following chemical equation:
according to the chemical principle, when OH is reacted—When the reaction is excessive, the reaction is carried out to the right side of the equation, and the ammonia nitrogen element in the solution is mainly NH3The molecule is present. The equation also has the influence of the environmental temperature, when the temperature rises, the reaction is carried out to the right of the equation, and the ammonia nitrogen element in the solution is mainly NH3The molecule is present. Based on the chemical principle the utility model provides a wastewater treatment system containing ammonia nitrogenAnd (4) a system.
The utility model relates to an embodiment that waste water treatment system that contains ammonia nitrogen proposed, including homogeneity pond 10 at least, receive filtration unit 11, ammonia nitrogen and blow off tower 12 and biochemical treatment unit 13, homogeneity pond 10 blows off tower 12 through receiving filtration unit 11 and the ammonia nitrogen of being connected with biochemical treatment unit 13 and is connected. Wherein, the top end of the ammonia nitrogen stripping tower 12 is provided with at least one water inlet 122 connected with the nanofiltration unit 11. The bottom end of the ammonia nitrogen stripping tower 12 is provided with at least one water outlet 124 connected with the biochemical treatment unit 13. As shown in fig. 2, preferably, the top end of the ammonia nitrogen stripping tower 12 is provided with a water inlet 122. The bottom end of the ammonia nitrogen stripping tower 12 is provided with a water outlet 124. The top end of the ammonia nitrogen stripping tower 12 can also be provided with 2, 3 or more water inlets 122. The bottom end of the ammonia nitrogen stripping tower 12 can also be provided with 2, 3 or more water outlets 124.
Preferably, the ammonia nitrogen stripping tower 12 is provided with at least one aeration plate 126 containing a plurality of through holes and arranged in sequence along the axis of the ammonia nitrogen stripping tower 12. The ammonia nitrogen stripping tower 12 is provided with a heater 125 for maintaining the temperature of at least one aeration plate. As shown in fig. 2, preferably, the ammonia nitrogen stripping tower 12 is provided with three aeration plates 126 which are provided with a plurality of through holes and are arranged in sequence along the axis of the ammonia nitrogen stripping tower 12. The ammonia nitrogen stripping tower 12 is provided with at least one heater 125 for maintaining the temperature of the aeration plate. The ammonia nitrogen stripping tower 12 can also be provided with 1, 2, 4 or even more aeration plates 126. The ammonia nitrogen stripping tower 12 is provided with a heater 125 for maintaining the temperature of the aeration plate. The ammonia nitrogen stripping tower 12 can also be provided with 2, 3 or more heaters 125. The heater 125 may be one or more of an electric heater, a water bath heater, and an electromagnetic heater. The heater 125 is connected with the ammonia nitrogen stripping tower 12 in a welding mode. The heating pipe of the heater 125 is inserted into the body of the aeration plate 126 in a plug-in manner.
The aeration plate 126 is provided with a plurality of through holes, when the liquid containing ammonia nitrogen flows through the aeration plate 126, the liquid generates disturbance effect and heating effect of the heating pipe due to the throttling of the through holes, so that NH in the liquid3And volatilizing.
Preferably, the ammonia nitrogen stripping tower 12 is provided with at least one layer of filler layer 123 taking zeolite as a substrate. As shown in fig. 2, the ammonia nitrogen stripping tower 12 is provided with a filler layer 123 with zeolite as a substrate. The ammonia nitrogen stripping tower 12 can also be provided with 1 layer, 2 layers or even more layers of filling layers 123 taking zeolite as a substrate. The zeolite has strong function of adsorbing ammonia nitrogen because the negative charge of the anion lattice of the zeolite is not coincident with the positive charge of the balancing cation in space. The ammonia nitrogen stripping tower 12 is provided with a filler layer 123 taking zeolite as a substrate, so that ammonia nitrogen can be pre-absorbed, and the workload of the aeration plate is reduced. Meanwhile, ammonia nitrogen is absorbed by the zeolite in a physical form, the structure of the zeolite cannot be damaged, and the zeolite can be regenerated, so that the zeolite is used as a filler, and the cost can be reduced.
Preferably, the ammonia nitrogen stripping tower 12 comprises a tower body cylinder, an upper end enclosure, a lower end enclosure, a first skirt, a first lifting lug and a first manhole. The upper end enclosure is connected with the upper end of the tower body cylinder through a flange. The water inlet 122 is connected with the upper seal head in an expansion joint mode. The exhaust port 121 is connected with the upper end enclosure in an expansion connection mode. The lower end enclosure is connected with the lower end of the tower body cylinder through the end enclosure. The water outlet 124 is connected with the lower sealing head in an expansion mode. The aeration plate 126 is connected with the inner wall of the tower barrel in a plugging mode. The first skirt is connected with the outer wall of the lower end of the tower body cylinder in a welded mode. The first lifting lug is connected with the upper end enclosure in a welding mode. The middle section of the tower body cylinder is provided with a first manhole, and the opening is reinforced by an equal-area method. The packing layer 123 is connected with the tower body cylinder in an inserting mode.
Preferably, the homogenizing tank 10 is provided with a first PH detector for measuring the PH of the incoming wastewater and/or a first temperature detector for measuring the temperature of the incoming wastewater; and/or the homogenizing tank 10 is provided with a second PH detector for measuring the PH of the discharged wastewater and/or a second temperature detector for measuring the discharged wastewater. The ammonia nitrogen blows and takes off tower 12 and has stronger sensitivity to the pH value of liquid, consequently, monitors liquid pH value in the homogeneity pond 10, and homogeneity pond 10 is provided with the first PH detector that is used for measuring supplied materials waste water PH promptly, and homogeneity pond 10 is provided with the second PH detector that is used for measuring ejection of compact waste water PH. The PH value of the discharged wastewater entering the ammonia nitrogen stripping tower 12 is preferably between 10.5 and 11.5, which is most beneficial to ammonia nitrogen stripping. Preferably, in a homogenizing tank12 pre-removing ammonia nitrogen by a physical method, and adopting a plurality of homogenizing tanks 10 and an aeration pipe which is connected with an aerator and comprises a plurality of through holes. The aerator adopts one of an air blower and a centrifugal machine, supplies air into the homogenizing tank 10 through an aerator pipe, enables the homogenizing tank 10 to generate water flow, and enables NH3And (4) discharging. Monitoring the temperature of the incoming wastewater and the temperature of the outgoing wastewater is beneficial to NH3And (4) discharging.
Preferably, the nanofiltration unit 11 is provided with a concentrate port connected to the concentrate tank 17. The nanofiltration unit 11 is provided with a water production port connected with the water inlet 122 of the ammonia nitrogen stripping tower 12 through a pipeline. The nanofiltration unit 11 is mainly composed of nanofiltration membrane elements, which are built in the nanofiltration chamber and are functional semipermeable membranes allowing solvent molecules or some low molecular weight solutes or low valence ions to permeate. NH of the incoming wastewater under the action of the nanofiltration membrane in the nanofiltration unit 114 +The low-valence ions can pass through and are discharged into the ammonia nitrogen stripping tower 12 through a water production port. The macromolecules and high-valence ions are intercepted and discharged into a concentrated water tank 17 through a concentrated water port. The concentrate tank 17 serves as a buffer tank for subsequent concentrate treatment, which may include one or more of concentrate salting treatment, chelating treatment, and sun-drying treatment.
Preferably, the ammonia nitrogen stripping tower 12 is connected with the ammonia nitrogen recovery tower 15 through a first fan. One end of the blower is connected with the exhaust port 121 through an ammonia waste gas pipeline. And/or the biochemical treatment unit 13 is connected with the ammonia nitrogen recovery tower 15 through a second fan; and/or the homogenizing tank 10 is connected with an ammonia nitrogen recovery tower 15 through a third fan. The first fan, the second fan and the third fan are one of a centrifuge and a blower.
Preferably, the ammonia nitrogen recovery tower 15 is connected with the dosing tank through a dosing pump. Ammonia molecules removed from the ammonia nitrogen stripping tower 12, the biochemical treatment unit 13 and the homogenizing tank 10 enter an ammonia nitrogen recovery tower 15. The medicament in the medicament adding pool is sulfuric acid or hydrochloric acid. The sulfuric acid or the hydrochloric acid is pumped into the ammonia nitrogen recovery tower 15 through a dosing pump. NH in an ammonia nitrogen recovery tower 153Reacting with sulfuric acid or hydrochloric acid to produce ammonium sulfate or ammonium chloride.
Preferably, the ammonia nitrogen recovery tower 15 adopts a plate tower structure. The ammonia nitrogen recovery tower 15 comprises a tower body, a top seal head, a bottom seal head, a tower plate, a spray head, a liquid inlet, a medicine feeding port and a discharge port. The top seal head is connected with the upper end of the tower body through a flange respectively. The bottom seal head is connected with the lower end of the tower body through a flange. The liquid inlet and the medicine feeding port are respectively connected with the top seal head in an expansion joint mode. The tower plate is connected with the inner wall of the tower body in an inserting mode. The spray head is connected with the top head in a threaded mode. The discharge port is connected with the bottom seal head in an expansion joint mode. The ammonia nitrogen recovery tower 15 is provided with a second skirt, a second lifting lug and a second manhole. The second skirt is welded to the bottom head. The second lug welds in the head. The second manhole is arranged at the middle section of the tower body and is reinforced at the opening by an equal-area method. The spray head is connected with a spray pump which is arranged outside the ammonia nitrogen recovery tower 15 through a water spray pipeline.
Preferably, the biochemical treatment unit 13 is an aerobic aeration tank containing activated sludge provided with a third PH detector, a third temperature detector and/or an oxygen concentration detector. The activated sludge process is a main method for biologically treating wastewater mainly containing activated sludge. The activated sludge process is to continuously introduce air into the wastewater; sludge-like flocs formed by the reproduction of aerobic microorganisms after a certain period of time. The microorganisms mainly including zoogloea inhabit on the microbial pool, and have strong capability of adsorbing and oxidizing organic matters. The third PH detector, the third temperature detector and the oxygen concentration detector are used for detecting the PH value, the temperature and the oxygen concentration in the aerobic aeration tank, so that the whole aerobic aeration tank is in a controlled state, and ammonia nitrogen is favorably removed. The aerobic aeration tank comprises a tank body, an aeration system and a water inlet and a water outlet. The aeration system can be a blast aeration system comprising an aeration fan and an aeration pipe, and can also be a mechanical aeration system adopting a motor to drive an impeller to rotate.
Preferably, the biochemical treatment unit 13 is connected to the ammonia resin exchanger 14 using a large-pore resin as a substrate through a pipe. To remove the remaining nitrogen species, an ammonia resin exchanger was used, using a large pore size resin of 13x molecular sieve. The exchange resin may also be a large pore size resin of 14x or 15x molecular sieve. The ammonia resin consists of three parts: the three-dimensional space structure comprises a network framework of a three-dimensional space structure, an ionizable functional group connected to the framework and exchangeable ions adsorbed on the functional group.
Preferably, COD, hard ions and suspended matters are treated before ammonia nitrogen treatment in order to reduce the operation load of the device. The homogenizing tank 10 is also connected to a pre-treatment unit 16 comprising a sequencing batch settling tank and/or a sludge recovery tank. Wherein, the waste material inlet of the homogenizing tank 10 is connected with the waste material outlet of the sequencing batch sedimentation tank through a pipeline. The sequencing batch type sedimentation tank comprises at least one pre-sedimentation tank, and the at least one pre-sedimentation tank is connected in series and/or in parallel; the sludge recovery tank comprises a sludge concentration tank, a dewatering centrifuge and/or a sludge tank. The sludge concentration tank, the dewatering centrifuge and/or the sludge tank are connected in series in sequence. The sludge concentration tank is connected with the sequencing batch sedimentation tank through a sludge pump. The sequencing batch sedimentation tank comprises a pre-sedimentation tank. The sequencing batch settling tank may also include two, three or more pre-settling tanks. The pre-sedimentation tanks can be connected in series, can also be connected in parallel, and can also be connected in series after being connected in parallel or in series after being connected in parallel.
The ammonia nitrogen content of the high-concentration ammonia nitrogen-containing wastewater treated by the system is lower than 5mg/L, and the high-concentration ammonia nitrogen-containing wastewater reaches the national first-level discharge standard.
It should be noted that the above-mentioned embodiments are exemplary, and that those skilled in the art, having benefit of the present disclosure, may devise various arrangements that are within the scope of the present disclosure and that fall within the scope of the invention. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.
Claims (10)
1. A wastewater treatment system containing ammonia and nitrogen at least comprises a homogenizing tank (10), a nanofiltration unit (11), an ammonia nitrogen stripping tower (12) and a biochemical treatment unit (13), and is characterized in that the homogenizing tank (10) is connected with the ammonia nitrogen stripping tower (12) connected with the biochemical treatment unit (13) through the nanofiltration unit (11);
wherein the ammonia nitrogen stripping tower (12) is provided with at least one aeration plate (126) which is provided with a plurality of through holes and is arranged along the axial direction of the ammonia nitrogen stripping tower (12) in sequence; the ammonia nitrogen stripping tower (12) is provided with a heater (125) for maintaining the temperature of the at least one aeration plate (126);
wherein the heating pipe of the heater (125) is inserted into the body of the aeration plate (126) in a plug-in manner.
2. The ammonia nitrogen-containing wastewater treatment system according to claim 1, wherein the ammonia nitrogen stripping tower (12) is provided with at least one water inlet (122) at the top end thereof, so that the ammonia nitrogen stripping tower (12) is connected with the nanofiltration unit (11) through the water inlet (122); the bottom end of the ammonia nitrogen stripping tower (12) is provided with at least one water outlet (124) so that the ammonia nitrogen stripping tower (12) is connected with the biochemical treatment unit (13) through the water outlet.
3. The ammonia nitrogen-containing wastewater treatment system according to claim 2, wherein the ammonia nitrogen stripping tower (12) is provided with at least one zeolite-based packing layer (123).
4. The ammonia nitrogen-containing wastewater treatment system according to claim 3, wherein the homogenizing tank (10) is provided with a first PH detector for measuring the PH of the incoming wastewater and/or a first temperature detector for measuring the temperature of the incoming wastewater; and/or
The homogenizing tank (10) is provided with a second PH detector for measuring the PH of the discharged wastewater and/or a second temperature detector for measuring the discharged wastewater; and/or
The homogenizing tank (10) is provided with an aerator pipe which is connected with an aerator and contains a plurality of through holes.
5. The ammonia nitrogen-containing wastewater treatment system according to claim 4, wherein the nanofiltration unit (11) is connected to a concentrate tank (17) by a pipeline.
6. The ammonia nitrogen-containing wastewater treatment system according to claim 5, wherein the ammonia nitrogen stripping tower (12) is connected with an ammonia nitrogen recovery tower (15) through a first fan; and/or
The biochemical treatment unit (13) is connected with the ammonia nitrogen recovery tower (15) through a second fan; and/or
The homogenizing tank (10) is connected with the ammonia nitrogen recovery tower (15) through a third fan.
7. The ammonia nitrogen-containing wastewater treatment system according to claim 6, wherein the ammonia nitrogen recovery tower (15) is connected with the dosing tank through a dosing pump.
8. The ammonia nitrogen-containing wastewater treatment system according to claim 7, wherein the biochemical treatment unit (13) is an aerobic aeration tank containing activated sludge provided with a third pH detector, a third temperature detector and/or an oxygen concentration detector.
9. The ammonia nitrogen-containing wastewater treatment system according to claim 8, wherein the biochemical treatment unit (13) is connected to the ammonia resin exchanger (14) based on a large-pore resin through a pipe.
10. The ammonia nitrogen-containing wastewater treatment system according to claim 9, wherein the homogenizing tank (10) is further connected to a pretreatment unit (16) comprising a sequencing batch sedimentation tank and/or a sludge recovery tank;
wherein, a waste inlet of the homogenizing tank (10) is connected with a waste outlet of the sequencing batch sedimentation tank through a pipeline; the sequencing batch sedimentation tank comprises at least one pre-sedimentation tank, and the at least one pre-sedimentation tank is connected in series and/or in parallel;
the sludge recovery tank comprises a sludge concentration tank, a dewatering centrifuge and/or a sludge tank; the sludge concentration tank, the dewatering centrifuge and/or the sludge tank are sequentially connected in series; the sludge concentration tank is connected with the sequencing batch sedimentation tank through a sludge pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821505132.XU CN209906552U (en) | 2018-09-14 | 2018-09-14 | Wastewater treatment system containing ammonia nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821505132.XU CN209906552U (en) | 2018-09-14 | 2018-09-14 | Wastewater treatment system containing ammonia nitrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209906552U true CN209906552U (en) | 2020-01-07 |
Family
ID=69027993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821505132.XU Active CN209906552U (en) | 2018-09-14 | 2018-09-14 | Wastewater treatment system containing ammonia nitrogen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209906552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113582426A (en) * | 2021-09-14 | 2021-11-02 | 常州市新港热电有限公司 | Process method of device for removing ammonia nitrogen from desulfurization wastewater of power plant |
-
2018
- 2018-09-14 CN CN201821505132.XU patent/CN209906552U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113582426A (en) * | 2021-09-14 | 2021-11-02 | 常州市新港热电有限公司 | Process method of device for removing ammonia nitrogen from desulfurization wastewater of power plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102107988B (en) | Phenol-amine wastewater treatment and recycling method and device | |
| CN101337750A (en) | Reclamation and comprehensive treatment method for paper-making waste water | |
| CN202576161U (en) | Sewage treatment and regenerative cycle utilization plant | |
| WO2023072097A1 (en) | Fenton process and ceramic membrane filtering-integrated sewage treatment unit | |
| CN205528213U (en) | High salt industrial waste water that contains divides salt zero discharge system | |
| KR20130131613A (en) | Device to cohere and to dispose of wastes water | |
| CN211471143U (en) | Printing and dyeing waste liquid recycling device | |
| CN110713282A (en) | Laboratory organic waste liquid treatment method and system | |
| CN203360192U (en) | Treatment device for difficultly degradable industrial wastewater | |
| CN101913689A (en) | Multifunctional high-efficiency sewage-treating reactor | |
| Ba et al. | Anode boundary layer extraction strategy for H+–OH–separation in undivided electrolytic cell: modeling, electrochemical analysis, and water softening application | |
| CN209906552U (en) | Wastewater treatment system containing ammonia nitrogen | |
| CN204097291U (en) | A kind of Laboratory Waste Water Treatment system | |
| CN101913688A (en) | Multifunctional high-efficiency sewage treatment system with zero discharge | |
| CN105293787B (en) | A kind of cold rolling alkalescence waste discharge advanced treatment recycling technique system and method | |
| CN205347067U (en) | Chemistry pail pack washing wastewater's modularization processing system | |
| CN116282714A (en) | Decontamination waste liquid treatment system and treatment method based on electrolysis and reverse osmosis | |
| CN201785231U (en) | Multifunctional high-efficiency sewage treatment reactor | |
| CN212799964U (en) | Industrial wastewater treatment device | |
| CN201729700U (en) | Multifunctional efficient sewage treatment zero release system | |
| CN210796097U (en) | Container formula landfill leachate processing system | |
| CN212403883U (en) | Wastewater treatment equipment | |
| CN211198959U (en) | Hazardous waste leachate treatment system | |
| CN210595684U (en) | Leachate treatment integrated equipment | |
| CN209010325U (en) | A kind of complete processing equipment of Wastewater in Biologic Pharmacy zero-emission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |