CN210001741U - Sewage treatment device - Google Patents
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- CN210001741U CN210001741U CN201921283244.XU CN201921283244U CN210001741U CN 210001741 U CN210001741 U CN 210001741U CN 201921283244 U CN201921283244 U CN 201921283244U CN 210001741 U CN210001741 U CN 210001741U
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Abstract
The utility model provides an sewage treatment plant, relate to sewage treatment's technical field, sewage treatment plant includes the multi-functional bioreactor that sets gradually, inner loop aeration biological filter and ozone catalytic oxidation pond, sewage can be in proper order through multi-functional bioreactor, inner loop aeration biological filter and ozone catalytic oxidation pond are handled, it is poor to have solved the sewage treatment effect, the unable discharge to reach standard technical problem of sewage, sewage is through multi-functional bioreactor, to it decarbonization, denitrogenation and dephosphorization reaction, get rid of in the sewage entering inner loop aeration biological filter of most organic matters through multi-functional bioreactor, get rid of the degradation of trace biochemical nature organic matter in the sewage, reduce ozone input volume in the follow-up ozone catalytic oxidation pond, save running cost, in ozone catalytic oxidation pond, sewage passes through ozone and gets rid of the biochemical pollutant that is difficult to degrade, realize carrying out deep treatment to sewage, guarantee sewage discharge to reach standard.
Description
Technical Field
The utility model relates to a sewage treatment's technical field especially relates to kinds of sewage treatment plant.
Background
The traditional biological nitrogen and phosphorus removal process adopted by petrochemical wastewater treatment plants in China has poor nitrogen and phosphorus removal effect, the treated effluent cannot reach the discharge standard of grade A of pollutant discharge Standard GB18918-2002 of municipal wastewater treatment plants, the corresponding Chemical Oxygen Demand (COD) and the advanced treatment process of nitrogen and phosphorus removal need to be added, and the research adopts a new wastewater treatment process, so that the treated wastewater completely reaches the standard and is discharged imperatively.
The traditional biological nitrogen and phosphorus removal process flow is illustrated as follows: respectively carrying out anaerobic reaction, anoxic reaction and aerobic reaction on the wastewater, firstly carrying out anaerobic phosphorus release by using dissolved organic matters in the wastewater by using phosphorus release bacteria in an anaerobic reaction tank, then enabling the wastewater to enter an anoxic tank, carrying out denitrification reaction by using denitrifying bacteria by using residual soluble organic matters and nitrifying liquid refluxed by an aerobic tank, and finally enabling the wastewater to enter an aerobic tank for phosphorus release, nitrification and oxidation of the residual organic matters; and finally, carrying out sludge-water separation through precipitation, discharging effluent, and discharging precipitated sludge in a phosphorus-rich manner.
The traditional biological dephosphorization and dephosphorization process has the defects that the volume of a reaction tank is large to ensure that the wastewater can fully carry out anaerobic reaction, anoxic reaction and aerobic reaction, the occupied area is large, the cost for small and medium-sized sewage plants is high, and various indexes of treated effluent hardly reach the discharge standard of GB18918-2002 grade A in the discharge Standard of pollutants for municipal Sewage treatment plants.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sewage treatment device to solved the poor unable discharge to reach standard problem of current sewage treatment effect.
The utility model provides a sewage treatment device, include: the sewage can be treated by the multifunctional bioreactor, the internal circulation biological aerated filter and the ozone catalytic oxidation tank in sequence;
the multifunctional bioreactor is used for removing carbon, nitrogen and phosphorus from sewage, the internal circulation biological aerated filter is used for filtering and degrading trace biochemical organic matters in the sewage, the mass transfer efficiency is improved, the trace biochemical organic matters in the sewage are effectively removed, and the ozone catalytic oxidation tank is used for carrying out catalytic degradation treatment on the sewage through ozone.
, the multifunctional bioreactor comprises an anaerobic chamber, an anoxic chamber, a sludge circulation chamber and an aerobic chamber;
the anaerobic chamber, the anoxic chamber and the aerobic chamber are communicated in sequence, so that sewage can carry out anaerobic, anoxic and aerobic reactions in sequence through the anaerobic chamber, the anoxic chamber and the aerobic chamber;
the lower end of the aerobic chamber is communicated with the sludge circulation chamber, so that activated sludge in the aerobic chamber can enter the sludge circulation chamber;
the aerobic chamber is also communicated with the anoxic chamber through a lift pump so that the nitrifying liquid in the aerobic chamber can flow back into the anoxic chamber;
the sludge circulation chamber is communicated with the anaerobic chamber, the sludge circulation chamber is communicated with the anoxic chamber, the sludge circulation chamber is communicated with the aerobic chamber, and sludge in the sludge circulation chamber can respectively flow back to the anaerobic chamber, the anoxic chamber and the aerobic chamber to supplement activated sludge in the anaerobic chamber, the anoxic chamber and the aerobic chamber.
, a sludge settling zone, a sludge pipeline, a th lifting system and a sludge guide mechanism are arranged in the sludge circulation chamber;
the lower end of the aerobic chamber is communicated with the sludge circulation chamber through a communication port;
the sludge guide mechanism faces the communication opening and is used for guiding sludge precipitated in the precipitation zone to the bottom of the sludge circulation chamber, and the th lifting system is used for lifting the sludge of the sludge guide mechanism to the sludge pipeline.
, the sludge pipeline comprises a sludge return pipe and a sludge discharge pipe, wherein the sludge return pipe and the sludge discharge pipe are both provided with valves for controlling the sludge concentration of the anaerobic chamber, the anoxic chamber, the aerobic chamber and the sludge circulation chamber;
the sludge circulation chamber is communicated with the anaerobic chamber, the sludge circulation chamber is communicated with the anoxic chamber, and the sludge circulation chamber is communicated with the aerobic chamber through sludge return pipes;
the sludge discharge pipe is used for being communicated with a sludge tank.
, the sludge guide mechanism comprises a sludge guide plate;
the slide mud guide plate is obliquely connected to the communication port and the bottom of the sludge circulation chamber, so that sludge can flow along the slide mud guide plate.
, arranging a plurality of inclined plates in the sludge circulating chamber;
the inclined plates are arranged on the upper side of the sludge guide mechanism and are adjacent to each other, a water outlet channel after sludge precipitation is formed between the inclined plates, and an overflow weir is arranged at the upper end of each inclined plate and used for collecting sewage to be discharged.
, the aerobic chamber comprises a second lifting system and a aeration pipe;
the th aeration pipe is horizontally arranged in the aerobic chamber and is used for providing oxygen supply for microorganisms in the aerobic chamber and increasing disturbance so as to enable the microorganisms to fully react with the wastewater;
the second lifting system is used for enabling sewage to circularly flow in the aerobic chamber.
, the internal circulation biological aerated filter comprises a filling chamber and an aeration lifting system;
the aeration lifting system comprises a power source and a second aeration pipe, the power source is communicated with the second aeration pipe, and the second aeration pipe is arranged in the filler chamber in an isolated manner;
and a plurality of layers of fillers are arranged in the filler chamber.
, an active biochemical filter material is arranged in the filling chamber.
, the catalytic ozonation tank comprises an ozone generator and an ozone aerator pipe;
the ozone generator is communicated with the ozone catalytic oxidation tank through a conveying pipeline, and the ozone aeration pipe is arranged in the ozone catalytic oxidation tank.
The utility model provides a sewage treatment device, sewage is through multi-functional bioreactor, remove carbon to sewage, denitrogenation, remove the phosphorus treatment, most pollutant in getting rid of sewage, sewage through multi-functional bioreactor enters into inner loop aeration biological filter and ozone catalytic oxidation pond in proper order, in inner loop aeration biological filter, with the biochemical organic pollutant of trace in the sewage, reduce ozone input volume in the follow-up ozone catalytic oxidation pond, save the running cost, in ozone catalytic oxidation pond, sewage gets rid of the pollutant that is difficult to biochemical degradation through the hydroxyl radical that ozone or catalysis ozone produced, the realization carries out the advanced treatment to sewage, guarantee sewage discharge to reach standard.
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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a sewage treatment apparatus provided by an embodiment of the present invention;
FIG. 2 is a schematic view of a multifunctional bioreactor provided in an embodiment of the present invention;
FIG. 3 is a side view of a sludge circulation chamber provided in an embodiment of the present invention;
FIG. 4 is a schematic view of an internal circulation biological aerated filter according to an embodiment of the present invention.
The figure shows 11-multifunctional bioreactor, 12-internal circulation aeration biological filter, 13-ozone catalytic oxidation tank, 111-anaerobic chamber, 112-anoxic chamber, 113-sludge circulation chamber, 114-aerobic chamber, 115- th lifting system, 116-sludge guide mechanism, 117-sludge return pipe, 118-sludge discharge pipe, 119-inclined plate, 1110-second lifting system, 1111- th aeration pipe, 121-filling chamber, 122-aeration lifting system, 131-ozone generator and 132-ozone aeration pipe.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it is obvious that the described embodiments are partial embodiments of , but not all embodiments.
As shown in fig. 1-4, the utility model provides a sewage treatment device, which comprises: a multifunctional bioreactor 11, an internal circulation aeration biological filter 12 and an ozone catalytic oxidation tank 13; the multifunctional bioreactor 11, the internal circulation biological aerated filter 12 and the ozone catalytic oxidation tank 13 are arranged in sequence, and sewage can be treated by the multifunctional bioreactor 11, the internal circulation biological aerated filter 12 and the ozone catalytic oxidation tank 13 in sequence.
Sewage passes through the multifunctional bioreactor 11, decarbonize, denitrify, dephosphorize and treat sewage, get rid of most pollutants in sewage, sewage through the multifunctional bioreactor enters into the internal circulation aeration biological filter 12 and the ozone catalytic oxidation pond 13 in proper order, in the internal circulation aeration biological filter 12, get rid of trace biochemical organic pollutants in sewage, reduce ozone input volume in the subsequent ozone catalytic oxidation pond 13, save running cost, in the ozone catalytic oxidation pond 13, sewage gets rid of pollutants that are difficult to biochemical degradation through ozone, realize carrying out advanced treatment to sewage, guarantee sewage discharge up to standard.
Wherein, sewage enters from the upper end of the multifunctional bioreactor 11 through the water pump, flows into the lower end of the internal circulation biological aerated filter 12 from the upper end of the multifunctional bioreactor 11 after carbon removal, nitrogen removal and phosphorus removal reaction in the multifunctional bioreactor 11, carries out the internal circulation biochemical reaction of the sewage, and enters into the ozone catalytic oxidation tank 13 through the upper end of the internal circulation biological aerated filter 12 to carry out the ozone catalytic oxidation reaction.
The internal circulation biological aerated filter 12 is mainly used for removing harmful substances in sewage such as trace biochemical organic matters, suspended matters and the like, and is used for collecting biological oxidation and intercepting suspended solids to be bodies, so that the ozone adding amount in a subsequent ozone catalytic oxidation process is saved, the suspended matters are prevented from wrapping a catalyst to cause catalyst inactivation, and the internal circulation biological aerated filter has better economical efficiency and practicability for the subsequent process.
And compared with the common activated sludge, the biological aerated filter has the advantages of high organic load, small occupied area, low investment, no sludge expansion, high oxygen transmission efficiency and good effluent quality.
The multifunctional bioreactor 11 comprises an anaerobic chamber 111, an anoxic chamber 112, a sludge circulation chamber 113 and an aerobic chamber 114 which are arranged in sequence; the lower end of the aerobic chamber 114 is communicated with the sludge circulation chamber 113, the aerobic chamber 114 is communicated with the anoxic chamber 112, and sludge in the sludge circulation chamber 113 can respectively flow back to the anaerobic chamber 111, the anoxic chamber 112 and the aerobic chamber 114; the upper end of the aerobic chamber 114 is communicated with the internal circulation biological aerated filter 12.
The sludge circulation chamber 113 deposits the sludge in the aerobic chamber 114 and is controlled by the valve to be lifted and conveyed back to the anaerobic chamber 111, the anoxic chamber 112 and the aerobic chamber 114 respectively, and the nitrified liquid contained in the aerobic chamber 114 can be lifted and returned to the anoxic chamber 112 by the pump, so that the denitrification efficiency is improved.
Specifically, sewage and sludge returned from the sludge circulation chamber 113 firstly enter the anaerobic chamber 111 for anaerobic reaction, phosphorus accumulating bacteria in the sludge perform anaerobic phosphorus release by using dissolved organic matters in the raw sewage, then sludge-water mixed liquor returned from the lower end of the sewage and the aerobic chamber 114 enters the anoxic chamber 112, denitrifying bacteria in the anoxic chamber 112 perform denitrification by using the residual organic matters and nitrate in the returned mixed liquor, after the denitrification reaction is completed, the sewage enters the aerobic chamber 114, activated sludge in the aerobic chamber performs nitrification to convert ammonia nitrogen in the wastewater into nitrate, meanwhile, phosphorus accumulating bacteria perform aerobic phosphorus absorption, most of the residual biochemical organic matters are oxidized by aerobic bacteria in the aerobic chamber 114 and circularly enter the sludge circulation chamber 113 for sludge-water separation, relatively clear water is discharged from the upper end into the internal circulation aeration biological filter 12, and part of the precipitated sludge is circularly returned to the anaerobic chamber 111, the anoxic chamber 112 and the aerobic chamber 114, and part of the residual sludge is discharged.
The sewage enters the anaerobic chamber 111 from the upper end of the anaerobic chamber 111 by being lifted by a lifting pump, and an elastic filler can be arranged in the anaerobic chamber 111, so that the sewage can perform sufficient anaerobic phosphorus release in the anaerobic chamber 111. Sewage enters the anoxic chamber 112 from the lower end of the anaerobic chamber 111, sludge (if necessary, supplemented sludge) in the sludge circulation chamber 113 is input into the upper end of the anoxic chamber 112, and nitrate which flows back in the aerobic chamber 114 is introduced into the lower end of the anoxic chamber for denitrification.
Wherein, the internal circulation biological aerated filter 12 and the ozone catalytic oxidation tank 13 both need to be cleaned regularly, and excess sludge generated by biochemistry and slime generated by ozone sterilization are respectively removed by adopting an air-water two-dimensional pulse backwashing technology.
The utility model discloses a sewage treatment plant adopt the mode that biochemistry and materialization combined together, full play sewage treatment plant's combination advantage, mainly get rid of total nitrogen to sewage in the multifunctional bioreactor 11, the getting rid of total phosphorus release and most organic pollutant, interior circulation aeration biological filter 12 utilizes the characteristics that self mass transfer efficiency is high to advance steps get rid of micro biochemical degradation pollutant in the sewage, thereby reduce the input volume of ozone in follow-up ozone catalytic oxidation pond 13, save the running cost, ozone catalytic oxidation pond 13 oxidizes sewage, the part that is difficult to biochemical degradation among the main degradation pollutant, thereby guarantee sewage discharge to reach standard, it is specific, the pollutant that is difficult to biochemical degradation in the sewage then gets rid of through ozone or hydroxyl radical oxidation in the heterogeneous ozone catalytic oxidation pond 13, guarantee sewage discharge to reach standard.
Preferably, a sludge pipeline, an th lifting system 115 and a sludge guide mechanism 116 are arranged in the sludge circulation chamber 113, the lower end of the aerobic chamber 114 is communicated with the sludge circulation chamber 113 through a communication port, the sludge guide mechanism 116 faces the communication port and is used for guiding the sludge flowing into the aerobic chamber 114 to the bottom of the sludge circulation chamber 113, and the th lifting system 115 is used for lifting the sludge of the sludge guide mechanism 116 to the sludge pipeline.
Through be provided with hoist system 115 and mud guiding mechanism 116 in sludge circulation room 113, mud guiding mechanism 116 leads the mud that produces in the aerobic chamber 114 and flows back to the bottom of sludge circulation room 113, and carry mud to the sludge conduit through hoist system 115, flow back or discharge mud through the sludge conduit, the mud concentration in anaerobic chamber 111, oxygen deficiency room 112 and aerobic chamber 114 can be guaranteed to the mud of backward flow, and then improve the reaction effect in each reaction chamber, thereby improve the interior sewage decarbonization of multi-functional bioreactor 11, denitrogenation, the dephosphorization effect.
The th lifting system 115 can comprise an air pump and a pipeline, wherein the air pump pumps the sludge from the sludge guide mechanism 116 into the pipeline, the sludge is lifted from the end of the pipeline to the end of the pipeline , and the sludge is controlled to flow back to the anaerobic chamber 111, the anoxic chamber 112 and the aerobic chamber 114 from the end of the pipeline through a valve .
Wherein, the upper end of the sludge circulation chamber 113 is provided with an effluent weir, so that the precipitated sewage is discharged to the next treatment unit through the effluent weir.
Preferably, the sludge piping includes a sludge return pipe 117 and a sludge discharge pipe 118; the sludge return pipe 117 is used for being communicated with the anaerobic chamber 111, the anoxic chamber 112 and the aerobic chamber 114 respectively, and the sludge discharge pipe 118 is used for being communicated with a sludge pond.
Wherein, the sludge return pipe 117 is respectively communicated with the anaerobic chamber 111, the anoxic chamber 112 and the aerobic chamber 114, so as to realize that part of sludge flows back into the anaerobic chamber 111, the anoxic chamber 112 and the aerobic chamber 114, and the sludge discharge pipe 118 discharges part of sludge into the sludge tank, thereby ensuring the carbon, nitrogen and phosphorus removal effects of sewage in the multifunctional bioreactor 11.
Preferably, the sludge guide mechanism 116 includes a sludge guide plate; a sludge guide plate is obliquely connected to the communication port and the bottom of the sludge circulation chamber 113 so that the settled sludge can be collected along the sludge guide plate.
The sludge in the aerobic chamber 114 is precipitated on the sludge circulation chamber 113 through an inclined plate by a sludge guide plate connected with the communication port and the bottom of the sludge circulation chamber 113, and is collected by the sludge guide plate, and the sludge after precipitation and collection flows back to the anaerobic chamber 111, the anoxic chamber 112 and the aerobic chamber 114 through the steam stripping of an -th lifting system 115.
Wherein, the horizontal plane of the bottom of smooth mud deflector and mud circulation room 113 becomes the acute angle setting to make mud can follow the smooth bottom that flows into mud circulation room 113 of smooth mud deflector, deposit the collection effect better.
Preferably, a sloping plate 119 is further provided in the sludge circulation chamber 113, and the sloping plate 119 is positioned above the sludge guide 116.
Through the swash plate 119 that sets up in the mud circulation room 113 being located the upside of mud guiding mechanism 116, realize getting into mud-water mixture in mud circulation room 113 and at the in-process that rises, mud along the swash plate landing sediment, rivers slowly rise to the overflow weir, guarantee the effect of deposiing of mud.
Wherein, the quantity of swash plate 119 can be a plurality of, and a plurality of swash plate equipartition intervals set up, and the both ends of every pipe chute can incline respectively and connect in sludge circulation room 113, and the clearance between adjacent swash plate 119 forms sewage passageway.
Preferably, the aerobic chamber 114 comprises a second lifting system 1110 and an -th aeration pipe 1111, the -th aeration pipe 1111 is horizontally arranged in the aerobic chamber 114 and supplies oxygen to the microorganisms in the aerobic chamber 114 and increases disturbance so that the microorganisms and the wastewater can fully react, and the second lifting system 1110 provides power through air so as to circulate the wastewater in the aerobic chamber.
Through the second lifting system 1110 vertically arranged in the aerobic chamber 114, the sewage circularly flows in a large proportion in the aerobic chamber 114, and the sewage treatment effect is ensured.
Wherein, the number of the th aeration pipe 1111 can be a plurality, and a plurality of th aeration pipes 1111 are all horizontally arranged in the aerobic chamber 114 in parallel.
Wherein, an air pump is arranged outside the aerobic chamber 114, is used for being respectively connected with the th aeration pipe 1111 and the second lifting system 1110, and is mainly used for providing an oxygen source for the th aeration pipe 1111 and providing lifting power for the second lifting system 1110.
Preferably, the internal circulation biological aerated filter 12 comprises a filler chamber 121 and an aeration lifting system 122; the aeration lifting system 122 comprises a power source and a second aeration pipe, wherein the power source is communicated with the second aeration pipe, and the second aeration pipe is arranged in the filler chamber 121 and is isolated from the filler; the packing chamber 121 is provided with a plurality of layers of packing.
The sewage is subjected to full internal circulation reaction 12 with the multi-layer fillers through the filler chamber 121 of the internal circulation biological aerated filter 12 by the aeration lifting system 122, so that the efficient pollutant removal effect is ensured.
Wherein, the compressed air compressed by the compressed air tank is used for backwashing the internal circulation biological aerated filter.
Preferably, an active biochemical filter material is disposed in the packing chamber 121.
The active biochemical filter material is arranged in the packing chamber 121, so that the contact efficiency of sewage and microorganisms is increased, the mass transfer efficiency is improved, and pollutants in the wastewater are further subjected to steps of oxidation treatment.
The active biochemical filter material can be an active ceramsite filter material, and is a baking-free ceramsite which is processed by using fly ash and furnace slag as main production raw materials through series processes of stirring, balling, curing, low-temperature drying, cooling and the like, and has the advantages of high porosity, large specific surface area, stable chemical property and strong adsorption capacity.
The active biochemical filter material can be arranged in multiple layers from bottom to top along the filling chamber 121, and the multiple layers are arranged in sequence to ensure the sewage treatment effect.
Preferably, the ozone catalytic oxidation tank 13 comprises an ozone generator 131 and an ozone aeration pipe 132; the ozone generator 131 is communicated with the ozone catalytic oxidation tank 13 through a conveying pipeline, and the ozone aeration pipe 132 is arranged in the ozone catalytic oxidation tank 13.
Ozone generated by the ozone generator 131 is conveyed to the ozone catalytic oxidation tank 13 through a conveying pipeline to be communicated, so that ozone in the sewage is uniformly mixed and reacted in the ozone catalytic oxidation tank 13, and the treatment effect of the sewage in the ozone catalytic oxidation tank 13 is improved through the ozone aeration pipe 132.
Wherein, the air is compressed, cooled and pressure swing adsorbed, and then the ozone generated by the ozone generator 131 is transported into the ozone catalytic oxidation tank 13.
Wherein, the non-purified air is conveyed to the bottom of the ozone catalytic oxidation tank 13 through the compressed air tank and is used for backwashing the ozone catalytic oxidation tank 13.
It is worth to mention that the second aeration pipe and the aeration pipe 1111 can be power sources, which reduces the economic cost.
To sum up, the utility model provides a sewage treatment device, sewage passes through the anaerobism that multifunctional bioreactor 11's anaerobic chamber 111, oxygen deficiency room 112 and aerobic chamber 114 built, oxygen deficiency and aerobic environment, remove the ammonia nitrogen in the sewage, total nitrogen, total phosphorus and most organic pollutant, realize synchronous nitrification-denitrification, and the mud through the deposit in the sludge circulation room 113 flows back to anaerobic chamber 111, oxygen deficiency room 112 and aerobic chamber 114, and the mixed nitrification liquid in the aerobic chamber 114 also can flow back to oxygen deficiency room 112, improve denitrification efficiency, the multifunctional bioreactor 11 of integrated form reduces the holistic area of sewage treatment device; the sewage passing through the multifunctional bioreactor enters the internal circulation biological aerated filter 12 and the ozone catalytic oxidation tank 13 through the overflow weir of the sludge circulation chamber 113, the internal circulation biological aerated filter 12 and the ozone catalytic oxidation tank 13 are sequentially treated, the sewage is deeply treated, trace biochemical organic matters and pollutants which are difficult to degrade biochemically are degraded and removed in the sewage, and the sewage is ensured to be discharged up to the standard.
Finally, it should be noted that: 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 depart from the spirit and scope of the present invention.
Claims (10)
- The sewage treatment device is characterized by comprising a multifunctional bioreactor, an internal circulation biological aerated filter and an ozone catalytic oxidation tank which are arranged in sequence, wherein sewage can be treated by the multifunctional bioreactor, the internal circulation biological aerated filter and the ozone catalytic oxidation tank in sequence;the multifunctional bioreactor is used for removing carbon, nitrogen and phosphorus from sewage, the internal circulation aeration biological filter is used for filtering and degrading trace biochemical organic matters in sewage, and the ozone catalytic oxidation tank is used for carrying out catalytic degradation treatment on sewage through ozone.
- 2. The wastewater treatment apparatus of claim 1, wherein the multifunctional bioreactor comprises an anaerobic chamber, an anoxic chamber, a sludge circulation chamber, and an aerobic chamber;the anaerobic chamber, the anoxic chamber and the aerobic chamber are communicated in sequence, so that sewage can carry out anaerobic, anoxic and aerobic reactions in sequence through the anaerobic chamber, the anoxic chamber and the aerobic chamber;the lower end of the aerobic chamber is communicated with the sludge circulation chamber, so that activated sludge in the aerobic chamber can enter the sludge circulation chamber;the aerobic chamber is also communicated with the anoxic chamber through a lift pump so that the nitrifying liquid in the aerobic chamber can flow back to the anoxic chamber;the sludge circulation chamber is communicated with the anaerobic chamber, the sludge circulation chamber is communicated with the anoxic chamber, the sludge circulation chamber is communicated with the aerobic chamber, and sludge in the sludge circulation chamber can respectively flow back to the anaerobic chamber, the anoxic chamber and the aerobic chamber to supplement activated sludge in the anaerobic chamber, the anoxic chamber and the aerobic chamber.
- 3. The sewage treatment device of claim 2, wherein a sludge settling zone, a sludge pipeline, an th lifting system and a sludge guide mechanism are arranged in the sludge circulation chamber;the lower end of the aerobic chamber is communicated with the sludge circulation chamber through a communication port;the sludge guide mechanism faces the communication opening and is used for guiding sludge precipitated in the precipitation zone to the bottom of the sludge circulation chamber, and the th lifting system is used for lifting the sludge of the sludge guide mechanism to the sludge pipeline.
- 4. The wastewater treatment apparatus according to claim 3, wherein the sludge conduit comprises a sludge return pipe and a sludge discharge pipe, and the sludge return pipe and the sludge discharge pipe are provided with valves for controlling the sludge concentration in the anaerobic chamber, the anoxic chamber, the aerobic chamber and the sludge circulation chamber;the sludge circulation chamber is communicated with the anaerobic chamber, the sludge circulation chamber is communicated with the anoxic chamber, and the sludge circulation chamber is communicated with the aerobic chamber through sludge return pipes;the sludge discharge pipe is used for being communicated with a sludge tank.
- 5. The wastewater treatment apparatus according to claim 3, wherein the sludge guide mechanism comprises a sludge guide plate;the slide mud guide plate is obliquely connected to the communication port and the bottom of the sludge circulation chamber, so that sludge can flow along the slide mud guide plate.
- 6. The sewage treatment device according to claim 3, wherein an inclined plate is further provided in the sludge circulation chamber, and the number of the inclined plates is plural;the inclined plates are arranged on the upper side of the sludge guide mechanism and are adjacent to each other, a water outlet channel after sludge precipitation is formed between the inclined plates, and an overflow weir is arranged at the upper end of each inclined plate and used for collecting sewage to be discharged.
- 7. The wastewater treatment plant of claim 2, wherein the aerobic chamber comprises a second lifting system and an aeration pipe;the th aeration pipe is horizontally arranged in the aerobic chamber and is used for providing oxygen supply for microorganisms in the aerobic chamber and increasing disturbance so as to enable the microorganisms to fully react with the wastewater;the second lifting system is used for enabling sewage to circularly flow in the aerobic chamber.
- 8. The wastewater treatment apparatus according to claim 1, wherein the internal circulation biological aerated filter comprises a filler chamber and an aeration lift system;the aeration lifting system comprises a power source and a second aeration pipe, the power source is communicated with the second aeration pipe, and the second aeration pipe is arranged in the filler chamber in an isolated manner;and a plurality of layers of fillers are arranged in the filler chamber.
- 9. The wastewater treatment apparatus according to claim 8, wherein the filler chamber is provided with an active biochemical filter material.
- 10. The wastewater treatment apparatus according to claim 1, wherein the ozone catalytic oxidation tank comprises an ozone generator and an ozone aeration pipe;the ozone generator is communicated with the ozone catalytic oxidation tank through a conveying pipeline, and the ozone aeration pipe is arranged in the ozone catalytic oxidation tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283244.XU CN210001741U (en) | 2019-08-08 | 2019-08-08 | Sewage treatment device |
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| CN201921283244.XU CN210001741U (en) | 2019-08-08 | 2019-08-08 | Sewage treatment device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111302574A (en) * | 2020-04-28 | 2020-06-19 | 河南迪诺环保科技股份有限公司 | Device and method for treating industrial sewage and river by combining ozone with super-dissolved outgassing |
| CN111732281A (en) * | 2020-07-07 | 2020-10-02 | 江苏港大环保有限公司 | Integrated sewage treatment device |
| CN114133100A (en) * | 2021-11-08 | 2022-03-04 | 中机国际工程设计研究院有限责任公司 | Organic wastewater treatment system |
-
2019
- 2019-08-08 CN CN201921283244.XU patent/CN210001741U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111302574A (en) * | 2020-04-28 | 2020-06-19 | 河南迪诺环保科技股份有限公司 | Device and method for treating industrial sewage and river by combining ozone with super-dissolved outgassing |
| CN111732281A (en) * | 2020-07-07 | 2020-10-02 | 江苏港大环保有限公司 | Integrated sewage treatment device |
| CN114133100A (en) * | 2021-11-08 | 2022-03-04 | 中机国际工程设计研究院有限责任公司 | Organic wastewater treatment system |
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