CN211111357U - Advanced wastewater treatment system - Google Patents
Advanced wastewater treatment system Download PDFInfo
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- CN211111357U CN211111357U CN201921547809.0U CN201921547809U CN211111357U CN 211111357 U CN211111357 U CN 211111357U CN 201921547809 U CN201921547809 U CN 201921547809U CN 211111357 U CN211111357 U CN 211111357U
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Abstract
The utility model discloses a waste water advanced treatment system, including two heavy ponds, active carbon adsorption pond, charcoal water separation tank, clean water basin, active carbon regeneration jar, regeneration active carbon knockout drum, catalyst separation tank, active carbon neutralization tank. The water inlet end of the secondary sedimentation tank is used for receiving water treated by the pretreatment system, the water outlet end of the secondary sedimentation tank is connected with the activated carbon adsorption tank through a pipeline, the water outlet end of the activated carbon adsorption tank is connected with the carbohydrate separation tank, the carbohydrate separation tank is provided with two outlet ends, one of the outlet ends is connected with the clean water tank through a pipeline and used for discharging clean water to the clean water tank for temporary storage, the other outlet end is connected with the inlet end of the activated carbon regeneration tank through a pipeline and used for conveying activated carbon to the activated carbon regeneration tank, the feeding port of the activated carbon regeneration tank is connected with the regenerated activated carbon separation tank through a pipeline, and the outlet end of the activated carbon regeneration tank is used for conveying the separated regenerated activated carbon to the regenerated activated carbon separation tank. The utility model discloses has the beneficial effect of reducing water treatment cost.
Description
Technical Field
The utility model relates to a water purification technical field especially relates to a waste water advanced treatment system.
Background
The industrial wastewater refers to wastewater, sewage and waste liquid generated in the industrial production process, and contains industrial production materials, intermediate products and products which are lost along with water, and pollutants generated in the production process. With the rapid development of industry, the variety and quantity of waste water are rapidly increased, the pollution to water bodies is more and more extensive and serious, and the health and the safety of human beings are threatened.
Therefore, the treatment of industrial wastewater is more important than the treatment of municipal sewage for environmental protection. Water pollution is a global problem, water bodies of all countries in the world are polluted to different degrees, the crisis of worldwide water resource shortage is increasingly serious, and the water pollution severity and harm are increasingly deepened. Many countries have established very stringent standards that impose stringent monitoring of substances that have a deleterious effect on the ecosystem and prohibit the use of certain highly hazardous chemicals. Meanwhile, how to improve the efficiency of advanced wastewater treatment and relieve the shortage of water resources has become an important subject of research in the field of water treatment nowadays.
The application of activated carbon in water treatment can be mainly summarized into the following aspects: purification of drinking water source, advanced treatment of municipal sewage and industrial wastewater, wastewater reuse and the like. In these applications, the activated carbon, in addition to deodorizing, decolorizing, and adsorbing common organic substances, can also remove contaminants, such as organic nitrogen, synthetic chemicals (phenol, cyanogen, DDT, BHC, ABS, PCB, pesticides, etc.), etc., that cannot be removed by conventional water treatment processes. The granular active carbon is regenerated after the adsorption capacity is exhausted, the common method is a heating method, and the waste carbon is baked in a regeneration furnace at the temperature of about 850 ℃. The loss of the granular activated carbon is about 5-10% in each regeneration, and the adsorption capacity is gradually reduced. The regeneration efficiency has a great influence on the operating cost (i.e. on the water treatment cost) of the activated carbon filter.
The prior art has the following defects: most of the activated carbon is not recycled, so that the operation cost is increased, and the existing activated carbon regeneration technology has overlarge loss on the activated carbon, influences the adsorption capacity and is not economical.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide a waste water advanced treatment system.
In order to solve the technical problem, the utility model discloses a following technical scheme:
an advanced wastewater treatment system comprises a secondary sedimentation tank, wherein the water inlet end of the secondary sedimentation tank is used for receiving water treated by a pretreatment system, the water outlet end of the secondary sedimentation tank is connected with an activated carbon adsorption tank through a pipeline, the water outlet end of the activated carbon adsorption tank is connected with a carbohydrate separation tank, the carbohydrate separation tank is provided with two outlet ends, one of the outlet ends is connected with a clean water tank through a pipeline and used for discharging clean water to the clean water tank for temporary storage, the other outlet end is connected with the inlet end of an activated carbon regeneration tank through a pipeline and used for conveying activated carbon to the activated carbon regeneration tank, the activated carbon regeneration tank is provided with a feeding port for feeding a catalyst, the outlet end of the activated carbon regeneration tank is connected with a regenerated activated carbon separation tank through a pipeline and used for conveying the separated regenerated activated carbon to the regenerated activated carbon separation tank, and the regenerated activated carbon separation tank is provided with two outlet ends, one of them exit end pipe connection separation catalyst jar of keeping in, another exit end connection regeneration active carbon jar of keeping in, regeneration active carbon jar pipe connection of keeping in the activated carbon adsorption pond is used for transporting regeneration active carbon toward the nature carbon adsorption pond.
As the preferred technical scheme, the preliminary treatment system includes the categorised collecting pit, preliminary treatment pond, the equalizing basin of synthesizing of pipe connection in proper order, categorised collecting pit is established to a plurality of and every all connects the inlet tube and collects waste water alone according to the different types of waste water, still including hydrolysis acidification pond, hydrolysis acidification sedimentation tank, UASB pond, UASB sedimentation tank, A pond, O pond, the hydrolysis acidification pond passes through pipe connection equalizing basin to receive the water that comes from the equalizing basin after adjusting, the hydrolysis acidification pond is linked together through first overflow pipe and hydrolysis acidification sedimentation tank, the hydrolysis acidification sedimentation tank is linked together through the connecting pipe that is provided with the elevator pump and UASB pond, the UASB pond is linked together through second overflow pipe and UASB sedimentation tank, the UASB sedimentation tank is linked together through third overflow pipe and A pond, the A pond is linked together through fourth overflow pipe and O pond, the O pond through fifth overflow pipe with two sink the pond and be linked together, be provided with dive mixer in the hydrolysis-acidification pond, hydrolysis-acidification sedimentation tank connects hydrolysis-acidification pond through first return line, be equipped with first mud backwash pump on the first return line, be provided with water-locator, three-phase separator in the UASB pond, UASB sedimentation tank passes through second back flow connection UASB pond, be equipped with second mud backwash pump on the second return line, be provided with dive mixer and jet aerator in the A pond, two sink the pond and connect the A pond through the third return line, be equipped with third mud backwash pump on the third return line.
According to the technical scheme, the jet aerator comprises an ejector main body, a nozzle is installed in the ejector main body, a throat section is connected to the front end of the ejector main body, the ejector main body is connected with one end of a first water inlet pipe, the other end of the first water inlet pipe is connected with one end of a second water inlet pipe, the other end of the second water inlet pipe is communicated with a pool A, a jet pump is arranged on the second water inlet pipe, a water valve is arranged on the second water inlet pipe, the ejector main body is connected with one end of a first air inlet pipe, the other end of the first air inlet pipe is connected with one end of a second air inlet pipe, a fan is connected with the other end of the second air inlet pipe, an air valve is arranged on the second air inlet pipe, the first water inlet pipe and the first air inlet pipe are connected through a plurality of reinforcing members, and the first air.
As a preferred technical scheme, the first water inlet pipe is connected with the second water inlet pipe through a flange;
the first air inlet pipe is connected with the second air inlet pipe through a flange.
According to the preferable technical scheme, the liftable support comprises a telescopic left support plate and a telescopic right support plate, the left support plate is connected with the right support plate through a cross rod, a first clamp used for installing the first water inlet pipe is arranged on the left support plate, and a second clamp used for installing the first air inlet pipe is arranged on the right support plate.
As a preferred technical scheme, the left support plate is connected with a fixed mounting plate through a connecting rod.
Preferably, the plurality of stiffeners are parallel to each other.
As a preferred technical scheme, the number of the reinforcing members is 2-8.
As a preferred technical scheme, the fan is a variable frequency fan.
The utility model discloses compare with traditional effluent disposal system, the utility model has the following characteristics and advantage:
1. the traditional activated carbon adsorption method has the advantages of short saturation time, generation of a large amount of hazardous wastes and increase of treatment cost. The process can greatly reduce the emission of the active carbon and reduce the treatment cost by regenerating the active carbon.
2. In the traditional FENTON reaction or other oxidation methods, because the effluent concentration is lower and the reaction efficiency is low, and the separated saturated activated carbon is subjected to coupling and oxidation reaction, the concentration of pollutants is enriched to be higher, the oxidation efficiency of residues is further improved, and the reaction efficiency, the dosage and the operation cost are greatly reduced.
3. Compared with the traditional deep treatment method, the concentration is enriched, the reaction water amount is reduced, the volume of the reactor is greatly reduced, and the occupied area and the investment are both reduced.
4. The catalyst can be recycled.
5. In the method, the activated carbon can be replaced by resin to treat the effluent of the secondary sedimentation tank, and the resin adsorbs substances in the wastewater and is recycled after desorption and regeneration, so that the treatment cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of an advanced wastewater treatment system of the present invention;
FIG. 2 is a schematic structural diagram of a pretreatment system of the advanced wastewater treatment system of the present invention;
FIG. 3 is a schematic structural diagram of an ejector of the advanced wastewater treatment system of the present invention;
FIG. 4 is a top view of a liftable rack of the advanced wastewater treatment system of the present invention;
FIG. 5 is a front view of the left support plate of the advanced wastewater treatment system of the present invention.
In the figure, 1 is a classification collecting tank, 2 is a pretreatment tank, 3 is a comprehensive adjusting tank, 4 is a hydrolysis acidification tank, 5 is a hydrolysis acidification sedimentation tank, 6 is a UASB tank, 7 is a UASB sedimentation tank, 8 is a tank, 9 is an O tank, 10 is a secondary sedimentation tank, 11 is a first overflow pipe, 12 is a lift pump, 13 is a connecting pipe, 14 is a second overflow pipe, 15 is a third overflow pipe, 16 is a fourth overflow pipe, 17 is a submersible mixer, 18 is a first return pipe, 19 is a first sludge return pump, 20 is a second return pipe, 21 is a second sludge return pump, 22 is a submersible mixer, 23 is a jet aerator, 23-1 is an ejector main body, 23-2 is a nozzle, 23-3 is a throat, 23-4 is a first water inlet pipe, 23-5 is a second water inlet pipe, 23-6 is a cross bar, 23-7 is a jet pump, 23-8 is a water valve, 23-9 is a first air inlet pipe, 23-10 is a second air inlet pipe, 23-11 is a fan, 23-12 is an air valve, 23-13 is a reinforcing member, 23-14 is a liftable support, 23-15 is a flange, 23-16 is a left support plate, 23-17 is a right support plate, 23-18 is a first clamp, 23-19 is a second clamp, 23-20 is a connecting rod, 23-21 is a fixed mounting plate, 24 is a third return pipe, 25 is a third sludge return pump, 26 is a fifth overflow pipe, 27 is an activated carbon adsorption tank, 28 is a carbohydrate separation tank, 29 is a clean water tank, 30 is an activated carbon regeneration tank, 31 is a regenerated activated carbon separation tank, 32 is a separation catalyst temporary storage tank, and 33 is a regenerated activated carbon temporary storage tank.
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1, an advanced wastewater treatment system comprises a secondary sedimentation tank 10, wherein a water inlet end of the secondary sedimentation tank 10 is used for receiving water treated by a pretreatment system, a water outlet end of the secondary sedimentation tank is connected with an activated carbon adsorption tank 27 through a pipeline, a water outlet end of the activated carbon adsorption tank 27 is connected with a carbohydrate separation tank 28, the carbohydrate separation tank 28 is provided with two outlet ends, one outlet end of the carbohydrate separation tank 28 is connected with a clean water tank 29 through a pipeline for discharging clean water to the clean water tank 29 for temporary storage, the other outlet end of the carbohydrate separation tank is connected with an inlet end of an activated carbon regeneration tank 30 through a pipeline for conveying activated carbon to the activated carbon regeneration tank 30, the activated carbon regeneration tank 30 is provided with a feeding port for feeding a catalyst, the outlet end of the activated carbon regeneration tank 30 is connected with a regenerated activated carbon separation tank 31 through a pipeline for conveying the separated regenerated activated carbon to the regenerated activated carbon separation tank 31, the regenerated active carbon separation tank 31 has two outlet ends, one of which is connected with a separation catalyst temporary storage tank 32 through a pipeline, the other outlet end is connected with a regenerated active carbon temporary storage tank 33, the regenerated active carbon temporary storage tank 33 is connected with a pipeline, and the active carbon adsorption tank 27 is used for conveying regenerated active carbon to the active carbon adsorption tank 27.
The embodiment of the utility model provides a mainly be to handling the back water that can discharge up to standard and carry out processing once more. The system can be used for advanced treatment of sewage with poor biodegradability and further removing the non-biochemical part COD.
During specific implementation, activated carbon (both granules and powder) is added into effluent of the secondary sedimentation tank for adsorption, carbon-water separation is carried out after adsorption is finished, clear water enters the next step of process or is directly discharged, and saturated activated carbon enters a regeneration system for regeneration.
The separation of the activated carbon and the water is realized through the carbohydrate separation tank 28, the specific mode can be a standing and precipitating mode, after the separation, clear water is conveyed to the clear water tank 29 through a pipeline for temporary storage, and the activated carbon enters the activated carbon regeneration tank 30. The activated carbon regeneration tank 30 is a reaction tank for activated carbon regeneration oxidation.
At present, the regeneration of the activated carbon can be realized by adopting a wet oxidation method, a homogeneous phase FENTON oxidation method and a low-temperature wet oxidation process. After regeneration, the activated carbon is separated. The catalyst is recycled or solidified and discharged, and the regenerated liquid enters a biochemical system for treatment. And the separated activated carbon is recycled after storage.
The wet oxidation regeneration method is a process of oxidatively decomposing organic substances adsorbed on saturated carbon in a liquid phase state by using air or pure oxygen under a high-temperature and high-pressure condition according to a wet combustion principle. The regeneration conditions are generally 200-250 ℃ and 3-7 MPa, the regeneration time (the time from the temperature rise to the regeneration temperature and the time to the reaction end) is mostly controlled within 60 minutes, the organic matters adsorbed on the activated carbon are effectively decomposed, the regeneration efficiency of the activated carbon is further improved, and the catalyst is also applied to the method.
The low-temperature wet oxidation method is the same as the wet oxidation method, but the regeneration conditions are different, the regeneration temperature is generally 110-140 ℃, the pressure is 0.81MPa, the reaction temperature and pressure are lower than those of the wet oxidation method, the material requirements of main reaction equipment are slightly lower, and carbon steel can be adopted, so the method is economic in investment and operation cost.
The reaction mechanism of the homogeneous FENTON oxidation method is as follows: fe3+First and H2O2Acting to produce Fe2+And HO2 -， Fe2+And HO2 -Respectively with H2O2The reaction produces a more oxidizing HO-，HO-Attack organic RH and generate free radical reaction to reach the aim of oxidizing and degrading organic.
Example 2:
the embodiment of the present invention, please refer to fig. 2, which is based on embodiment 1, a pretreatment system is added, and the first step treatment is mainly performed on industrial wastewater, which mainly comprises a classification collecting tank 1, a pretreatment tank 2, and a comprehensive adjusting tank 3, wherein the classification collecting tank 1 is sequentially connected by pipes, each classification collecting tank 1 is provided with a plurality of water inlet pipes, and each water inlet pipe is connected to separately collect wastewater according to different types of wastewater, and the present invention further comprises a hydrolysis acidification tank 4, a hydrolysis acidification settling tank 5, a UASB tank 6, a UASB settling tank 7, an a tank 8, an O tank 9, and a secondary settling tank 10, wherein the hydrolysis acidification tank 4 is connected to the comprehensive adjusting tank 3 by pipes to receive water adjusted by the comprehensive adjusting tank 3, the hydrolysis acidification tank 4 is connected to the hydrolysis acidification settling tank 5 by a first overflow pipe 11, the hydrolysis acidification settling tank 5 is connected to the UASB tank 6 by a connecting pipe 13 provided with a lift pump 12, the UASB pond 6 is linked together through second overflow pipe 14 and UASB sedimentation tank 7, the UASB sedimentation tank 7 is linked together through third overflow pipe 15 and A pond 8, A pond 8 is linked together through fourth overflow pipe 16 and O pond 9, O pond 9 sinks pond 10 through fifth overflow pipe 26 and two and is linked together, be provided with dive mixer 17 in the hydrolytic acidification pond 4, hydrolytic acidification sedimentation tank 5 is connected hydrolytic acidification pond 4 through first backflow pipe 18, be equipped with first sludge reflux pump 19 on the first backflow pipe 18, be provided with water-locator, three-phase separator in the UASB pond 6, the UASB sedimentation tank 7 connects UASB pond 6 through second backflow pipe 20, be equipped with second sludge reflux pump 21 on the second backflow pipe 20, be provided with dive mixer and jet aerator 23 in the A pond 8, two sink ponds 10 connect A pond 8 through third backflow pipe 24, and a third sludge return pump 25 is arranged on the third return pipe 24.
The embodiment of the utility model provides a during concrete implementation, categorised collecting pit 1 is established to a plurality of and every and all connects the inlet tube and collect waste water alone according to the different types of waste water, and preliminary treatment pond 2 carries out the preliminary treatment according to the waste water of difference according to current water treatment technology, synthesizes adjusting pool 3 and mainly plays the regulating action of pH, and conventional processing method is throwing the regulator. Water that comes out through synthesizing equalizing basin 3 loops through hydrolysis acidification tank 4, hydrolysis acidification sedimentation tank 5, UASB pond 6, UASB sedimentation tank 7, A pond 8, O pond 9, two heavy ponds 10 carry out water treatment, except that carrying out the exchange of water through elevator pump 13 between hydrolysis acidification sedimentation tank 5 and the UASB pond 6, it shifts through the overflow pipe to carry out between other ponds, water when certain pond in reaches the height of overflow pipe, enter into next pond promptly and carry out water treatment. The hydrolysis acidification sedimentation tank 5 is connected with the hydrolysis acidification tank 4 through a first return pipe 18, the UASB sedimentation tank 7 is connected with the UASB tank 6 through a second return pipe 20, the secondary sedimentation tank 10 is connected with the A tank 8 through a third return pipe 24, and each return pipe is provided with a return pump to further reduce the toxic effect of the wastewater by a large reflux ratio. Part of effluent (containing NO2 or NO3) of the secondary sedimentation tank flows back to the UASB, anaerobic ammonia oxidation can be realized by controlling dissolved oxygen and nitrification/nitrosation backflow, and the backflow amount can be adjusted according to actual requirements. Under the treatment method, compared with the traditional AO system, the added carbon source can be reduced by 60-80%. The jet aerator 23 arranged in the tank A can directly take water in the tank A, so that air cannot enter, and the flow loss and pump damage caused by cavitation are avoided.
The jet aerator 23 shown in fig. 3 comprises an ejector main body 23-1, a nozzle 23-2 is installed in the ejector main body 23-1, the front end of the ejector main body 23-1 is connected with a throat section 23-3, the ejector main body 23-1 is connected with one end of a first water inlet pipe 23-4, the other end of the first water inlet pipe 23-4 is connected with one end of a second water inlet pipe 23-5, the other end of the second water inlet pipe 23-5 is connected with a pool A8, a jet pump 23-7 is arranged on the second water inlet pipe 23-5, a water valve 23-8 is arranged on the second water inlet pipe 23-5, the ejector main body 23-1 is connected with one end of a first air inlet pipe 23-9, the other end of the first air inlet pipe 23-9 is connected with one end of a second air inlet pipe 23-10, the other end of the second air inlet pipe 23-10 is connected with a fan 23-11, an air valve 23-12 is arranged on the second air inlet pipe 23-10, the first water inlet pipe 23-4 is connected with the first air inlet pipe 23-9 through a plurality of reinforcing members 23-13, and the first air inlet pipe 23-4 and the first water inlet pipe 23-9 are installed on a liftable bracket 23-14. The first inlet pipe 23-4 is connected to the second inlet pipe by means of a flange 23-15. The first air inlet pipe 23-9 is connected with the second air inlet pipe through a flange 23-15. The plurality of reinforcement members 23-13 are parallel to each other.
The jet aerator in the utility model has the advantages that:
1. can promote support, reinforcement and support and ensure the stability of ejector installation to accessible flange joint is dismantled and is maintained at any time, and can customize according to the pond shape of difference.
2. Each group of ejectors is provided with an independent control valve, the flow can be accurately distributed under complex conditions, and the aeration capacity can be distributed according to process conditions, water inlet load and the like.
3. Different materials can be selected according to different conditions, including gas-liquid interface corrosion prevention, so as to ensure the durability of the material.
4. The performance parameters of the nozzles, the throats, the gaps, the angles and the like of each model are determined through CFD simulation and large-scale test, deep optimization is conducted on the aspects of water quantity, gas pressure boosting and the like, and the highest energy efficiency ratio is ensured.
In the present embodiment, a specific structure of the liftable support 23-14 is provided, as shown in fig. 3 and 4, the liftable support 23-14 includes a telescopic left support plate 23-16 and a telescopic right support plate 23-17, the left support plate 23-16 is connected to the right support plate 23-17 through a cross rod 23-6, a first clamp 23-18 for mounting the first water inlet pipe is provided on the left support plate 23-16, and a second clamp 23-19 for mounting the first air inlet pipe is provided on the right support plate 23-17. The left support plate 23-16 is connected with a fixed mounting plate 23-21 through a connecting rod 23-20. In the present embodiment, as shown in fig. 5, the left support plate 23-16 is composed of a plurality of support plates, the support plate with a small diameter can be sleeved in the support plate with a large diameter, each support plate is provided with a screw hole, and the left support plate can be stretched and retracted by sleeving and matching with a bolt.
The utility model discloses a system applies to the clearance that certain chemical industry enterprise regarded as the sewage treatment station as shown in table 1 and table 2.
TABLE 1 COD removal Rate Table
Wherein COD refers to chemical oxygen demand in mg/L, and the blank of the table indicates that COD in the pond was not detected on the day.
TABLE 2 Ammonia nitrogen removal Rate table
Wherein, the data in the table indicates the ammonia nitrogen content, the unit is mg/L, and the blank of the table indicates that the ammonia nitrogen content in the pool is not detected on the same day.
TABLE 3 maximum allowable emission maximum concentration of the second type of pollutants
The clean water tank is used for temporarily storing water discharged from the secondary sedimentation tank, and the COD content in the water in the clean water tank in the table 1 is concentrated between 80 and 95, so that the water meets the first-level discharge standard in the second-class pollutant wastewater discharge standard of China. Referring to table 2, the content of ammonia nitrogen in the finally discharged wastewater is only 2019.2.2-2019.2.5, 2019.2.8 and 2019.3.13 and is more than 10, the highest content of ammonia nitrogen is not more than 14, the rest of ammonia nitrogen is less than 10, the lowest content of ammonia nitrogen is 1, and the ammonia nitrogen completely meets the first-level discharge standard in the national second-class pollutant wastewater discharge standard. Therefore, the water quality treated by the system completely meets the national primary discharge standard of wastewater, and the water treatment effect is good.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (9)
1. An advanced wastewater treatment system comprises a secondary sedimentation tank, wherein the water inlet end of the secondary sedimentation tank is used for receiving water treated by a pretreatment system, the water outlet end of the secondary sedimentation tank is connected with an activated carbon adsorption tank through a pipeline, the water outlet end of the activated carbon adsorption tank is connected with a carbohydrate separation tank, the advanced wastewater treatment system is characterized in that the carbohydrate separation tank is provided with two outlet ends, one outlet end of the carbohydrate separation tank is connected with a clean water tank through a pipeline and used for discharging clean water to the clean water tank for temporary storage, the other outlet end of the carbohydrate separation tank is connected with the inlet end of an activated carbon regeneration tank through a pipeline and used for conveying activated carbon to the activated carbon regeneration tank, the activated carbon regeneration tank is provided with a feeding port for feeding a catalyst, the outlet end of the activated carbon regeneration tank is connected with a regenerated activated carbon separation tank through a pipeline and used for conveying the separated regenerated activated carbon to the regenerated activated carbon separation tank, and the regenerated activated carbon separation, one of them exit end pipe connection separation catalyst jar of keeping in, another exit end connection regeneration active carbon jar of keeping in, regeneration active carbon jar pipe connection of keeping in the activated carbon adsorption pond is used for transporting regeneration active carbon toward the nature carbon adsorption pond.
2. The advanced wastewater treatment system according to claim 1, characterized in that: the pretreatment systems includes categorised collecting pit, preliminary treatment pond, the integrated control pond that the pipeline connected gradually, categorised collecting pit is established to a plurality of and every all connects the inlet tube, collects waste water alone according to waste water different types, still includes hydrolysis acidification pond, hydrolysis acidification sedimentation tank, UASB pond, UASB sedimentation tank, A pond, O pond, the hydrolysis acidification pond passes through pipe connection integrated control pond to receive the water that comes from the integrated control pond after adjusting, the hydrolysis acidification pond is linked together through first overflow pipe and hydrolysis acidification sedimentation tank, the hydrolysis acidification sedimentation tank is linked together through the connecting pipe that is provided with the elevator pump and UASB pond, the UASB pond is linked together through second overflow pipe and UASB sedimentation tank, the UASB sedimentation tank is linked together through third overflow pipe and A pond, the A pond is linked together through fourth overflow pipe and O pond, O pond through fifth overflow pipe with two sedimentation tanks are linked together, be provided with the dive mixer in the hydrolytic acidification pond, hydrolytic acidification sedimentation tank connects hydrolytic acidification pond through first back flow pipe, be equipped with first sludge reflux pump on the first back flow pipe, be provided with water-locator, three-phase separator in the UASB pond, the UASB sedimentation tank passes through second back flow connection UASB pond, be equipped with second sludge reflux pump on the second back flow pipe, be provided with the dive mixer in the A pond, the interior efflux aerator of O pond, the A pond is connected through the third back flow to two heavy ponds, be equipped with third sludge reflux pump on the third back flow.
3. The advanced wastewater treatment system according to claim 2, characterized in that: the jet aerator comprises an ejector main body, a nozzle is installed in the ejector main body, a throat is connected to the front end of the ejector main body, one end of a first water inlet pipe is connected to the ejector main body, one end of a second water inlet pipe is connected to the other end of the first water inlet pipe, the other end of the second water inlet pipe is communicated with a pool A, a jet pump is arranged on the second water inlet pipe, a water valve is arranged on the second water inlet pipe, one end of the first air inlet pipe is connected to the ejector main body, one end of a second air inlet pipe is connected to the other end of the first air inlet pipe, a fan is connected to the other end of the second air inlet pipe, an air valve is arranged on the second air inlet pipe, the first water inlet pipe and the first air inlet pipe are connected through a plurality of reinforcing members, and the first air inlet.
4. The advanced wastewater treatment system according to claim 3, characterized in that: the first water inlet pipe is connected with the second water inlet pipe through a flange;
the first air inlet pipe is connected with the second air inlet pipe through a flange.
5. The advanced wastewater treatment system according to claim 3, characterized in that: the liftable support comprises a telescopic left support plate and a telescopic right support plate, the left support plate is connected with the right support plate through a cross rod, a first fixture for installing the first water inlet pipe is arranged on the left support plate, and a second fixture for installing the first air inlet pipe is arranged on the right support plate.
6. The advanced wastewater treatment system according to claim 5, characterized in that: the left support plate is connected with a fixed mounting plate through a connecting rod.
7. The advanced wastewater treatment system according to claim 3, characterized in that: the plurality of stiffeners are parallel to each other.
8. The advanced wastewater treatment system according to claim 7, characterized in that: the reinforcement is 2 ~ 8.
9. The advanced wastewater treatment system according to claim 3, characterized in that: the fan is a variable frequency fan.
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| CN201921547809.0U CN211111357U (en) | 2019-09-17 | 2019-09-17 | Advanced wastewater treatment system |
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| CN201921547809.0U CN211111357U (en) | 2019-09-17 | 2019-09-17 | Advanced wastewater treatment system |
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