CN218290615U - Inversion multi-point water inflow and backflow sewage treatment device - Google Patents

Abstract

The utility model discloses an invert multiple spot backward flow sewage treatment plant of intaking, include: one-level oxygen deficiency pond water inlet, anaerobism pond body and the good oxygen pond body of one-level, the right-hand member fixed mounting of one-level oxygen deficiency pond water inlet has one-level oxygen deficiency pond body, the lower extreme fixed mounting of one-level oxygen deficiency pond body has the air inlet body, the upside of one-level oxygen deficiency pond water inlet is provided with one-level oxygen deficiency pond redox potentiometer, the upper end fixed mounting of anaerobism pond body has the anaerobism pond water inlet, the upper end fixed mounting of anaerobism pond body has the mixed liquid backward flow water inlet of anaerobism pond, the right-hand member fixed mounting of the good oxygen pond body of one-level has the good oxygen pond air inlet of one-level, the upper end fixed mounting of the good oxygen pond body of one-level has the good oxygen pond of one-level to dissolve the oxygen meter. The inverted multi-point water inlet backflow sewage treatment device is good in treatment effect, green and economical, convenient to operate and manage and capable of achieving standard discharge.

Description

Inversion multi-point water inflow and backflow sewage treatment device

Technical Field

The utility model relates to a relevant technical field of sewage treatment specifically is an invert multiple spot backward flow sewage treatment plant of intaking.

Background

In the sewage treatment, the principle of the treatment process selection is to select a proper sewage treatment mode according to the sewage quantity, the sewage quality and the environmental capacity under the premise of considering economic conditions and management level, and the multipoint water inlet mode can effectively solve the competition of denitrifying bacteria and phosphorus accumulating bacteria on organic substrates.

However, the existing sewage treatment device has the advantages of general treatment effect, higher investment cost and inconvenient operation and management, so that the inverted multi-point water inlet backflow sewage treatment device is provided, and the problems provided in the prior art are solved conveniently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an invert multiple spot backward flow sewage treatment plant of intaking to solve the current sewage treatment plant who provides in the above-mentioned background art, the treatment effect is general, and investment cost is higher, inconvenient problem of carrying out operation management.

In order to achieve the above object, the utility model provides a following technical scheme: an inverted multi-point influent return sewage treatment plant comprising:

the device comprises a primary anoxic tank water inlet, a primary anoxic tank body is fixedly mounted at the right end of the primary anoxic tank water inlet, an air inlet body is fixedly mounted at the lower end of the primary anoxic tank body, and a primary anoxic tank oxidation-reduction potentiometer is arranged on the upper side of the primary anoxic tank water inlet;

the anaerobic tank comprises an anaerobic tank body, wherein an anaerobic tank water inlet is fixedly arranged at the upper end of the anaerobic tank body, and an anaerobic tank mixed liquid backflow water inlet is fixedly arranged at the upper end of the anaerobic tank body;

the device comprises a primary aerobic tank body, wherein a primary aerobic tank air inlet is fixedly arranged at the right end of the primary aerobic tank body, a primary aerobic tank dissolved oxygen meter is fixedly arranged at the upper end of the primary aerobic tank body, and a primary aerobic tank sludge reflux flowmeter is arranged on the right side of the primary aerobic tank dissolved oxygen meter;

the device comprises a secondary anoxic tank body, wherein a primary aerobic tank mixed liquid return port is fixedly arranged at the upper end of the secondary anoxic tank body, and a secondary anoxic tank oxidation-reduction potentiometer is fixedly arranged at the upper end of the secondary anoxic tank body;

the anaerobic/aerobic tank comprises an anaerobic/aerobic tank body, wherein the upper end of the anaerobic/aerobic tank body is fixedly provided with an anaerobic/aerobic tank mixed liquid backflow port, the inner end of the anaerobic/aerobic tank body is provided with elastic three-dimensional filler, and the upper end of the anaerobic/aerobic tank body is fixedly provided with an oxidation-reduction potentiometer body;

the device comprises a secondary aerobic tank body, wherein a secondary aerobic tank air inlet is fixedly arranged at the upper end of the secondary aerobic tank body, a secondary aerobic tank mixed liquid return port is arranged at the left side of the secondary aerobic tank air inlet, and an aerobic tank dissolved oxygen meter body is fixedly arranged at the upper end of the secondary aerobic tank body;

the sedimentation tank, the inner fixed mounting of sedimentation tank has the swash plate, the upper end fixed mounting of sedimentation tank has the right-hand member of manhole, the left end fixed mounting of manhole is in the upper end of one-level oxygen deficiency pond body.

Preferably, the left end fixed mounting of one-level oxygen deficiency pond water inlet has one-level oxygen deficiency pond inflow flowmeter, the upside fixed mounting of one-level oxygen deficiency pond water inlet has anaerobism pond inflow flowmeter.

Preferably, the upper side of the anaerobic tank body is provided with an anaerobic tank oxidation-reduction potentiometer, and the right side of the anaerobic tank oxidation-reduction potentiometer is provided with an anaerobic tank sludge reflux flowmeter.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the anaerobic treatment device is provided with a primary anaerobic tank body and a primary anaerobic tank water inlet flow meter, wherein an aeration device is arranged in the primary anaerobic tank body, organic matters in wastewater are degraded by facultative microorganisms and biomembranes, and meanwhile, nitrate nitrogen is removed by denitrification, and a perforated stirring pipe is selected as a stirring device at the bottom of the anaerobic tank;

2. the anaerobic tank is provided with an anaerobic tank body and an anaerobic tank sludge reflux flowmeter, a perforated water distribution pipe is arranged at the bottom in the anaerobic tank body to ensure that the water inlet of the anaerobic tank is uniform and no sedimentation occurs, and elastic three-dimensional fillers are distributed in the tank body to provide microorganism carriers for anaerobic bacteria;

3. the anaerobic/aerobic tank body is additionally provided with a carbon source adding device and a perforation stirring device, the transformation from the anaerobic state to the aerobic state in the tank is accelerated while the dissolved oxygen content is ensured by perforation stirring, and the undegraded nitrogen and phosphorus are further removed.

Drawings

FIG. 1 is a front view of the cutting structure of the present invention;

FIG. 2 is a schematic view of the flow structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: 1. a water inlet of the first-stage anoxic tank; 2. a primary anoxic tank body; 3. a primary anoxic tank water inlet flow meter; 4. an anaerobic tank water inlet flow meter; 5. a first-stage anoxic tank oxidation-reduction potentiometer; 6. a water inlet of the anaerobic tank; 7. a mixed liquid backflow water inlet of the anaerobic tank; 8. an anaerobic tank body; 9. an oxidation-reduction potentiometer of the anaerobic pool; 10. a sludge reflux flowmeter of the anaerobic pool; 11. an air inlet of the primary aerobic tank; 12. a primary aerobic tank body; 13. a first-stage aerobic tank dissolved oxygen meter; 14. a sludge reflux flowmeter of the primary aerobic tank; 15. a mixed liquid reflux port of the primary aerobic tank; 16. a secondary anoxic tank body; 17. a second-stage anoxic pond oxidation-reduction potentiometer; 18. a mixed liquid return port of the anoxic/aerobic tank; 19. an anoxic/aerobic tank body; 20. elastic three-dimensional filler; 21. a redox potentiometer body; 22. a secondary aerobic tank body; 23. an air inlet of the secondary aerobic tank; 24. a mixed liquid reflux port of the secondary aerobic tank; 25. a dissolved oxygen meter body of the aerobic tank; 26. a sedimentation tank; 27. a sloping plate; 28. an air inlet body; 29. a manhole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an inverted multi-point water inlet backflow sewage treatment device comprises a primary anoxic tank water inlet 1, a primary anoxic tank body 2, a primary anoxic tank water inlet flowmeter 3, an anaerobic tank water inlet flowmeter 4, a primary anoxic tank oxidation-reduction potentiometer 5, an anaerobic tank water inlet 6, an anaerobic tank mixed liquid backflow water inlet 7, an anaerobic tank body 8, an anaerobic tank oxidation-reduction potentiometer 9, an anaerobic tank sludge backflow flowmeter 10, a primary aerobic tank air inlet 11, a primary aerobic tank body 12, a primary aerobic tank dissolved oxygen meter 13, a primary aerobic tank sludge backflow flowmeter 14, a primary aerobic tank mixed liquid backflow port 15, a secondary anoxic tank body 16, a secondary anoxic tank oxidation-reduction potentiometer 17, an anoxic/aerobic tank mixed liquid backflow port 18, an anoxic/aerobic tank body 19, an elastic three-dimensional filler 20, an oxidation-reduction potentiometer body 21, a secondary aerobic tank body 22, a secondary aerobic tank air inlet 23, a secondary aerobic tank mixed liquid backflow port 24, an aerobic tank dissolved oxygen meter body 25, a sedimentation tank 26, an inclined plate 27, a manhole body 28 and a 29, as shown in figures 1, 2, 3 and 4, when the inverted multi-point influent reflux sewage treatment device is used, a primary anoxic tank water inlet 1, a primary anoxic tank influent flow meter 3 and an anaerobic tank influent flow meter 4 are arranged at the outer end of a primary anoxic tank body 2, a primary anoxic tank oxidation-reduction potentiometer 5 is arranged at the upper side of the primary anoxic tank water inlet 1, an air inlet body 28 is fixedly arranged at the lower end of the primary anoxic tank body 2, the primary anoxic tank body 2 is used as a first functional section of the device, the dissolved oxygen content is controlled to be 0.2-0.4mg/L, anoxic reaction is biochemical reaction in which facultative bacteria participate, the facultative bacteria can react under aerobic condition or under anaerobic condition, the anaerobic tank is free of molecular oxygen but has chemical oxygen, an elastic three-dimensional filler 20 is matched in the anaerobic tank, partial organic matters are removed by decomposing facultative bacteria after water flow enters the anaerobic tank, an aeration device is arranged in the anaerobic tank, the organic matters in the wastewater are degraded by facultative microorganisms and a biological film, denitrification is realized to remove nitrate nitrogen, and a perforated stirring pipe is selected as a stirring device at the bottom of the anaerobic tank;

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, an oxidation-reduction potentiometer 9, an anaerobic tank sludge reflux flowmeter 10 and an anaerobic tank mixed liquid reflux water inlet 7 are arranged at the outer end of an anaerobic tank body 8, an anaerobic tank water inlet 6 is fixedly arranged at the upper end of the anaerobic tank body 8, the anaerobic tank body 8 is a biochemical treatment process in which anaerobic bacteria participate, the anaerobic bacteria do not need oxygen, and the oxygen is toxic to the anaerobic bacteria, so that dissolved oxygen in the tank body is required to be equal to zero, ORP and PH in the anaerobic tank are strictly controlled, a perforated water distribution pipe is arranged at the bottom in the anaerobic tank to ensure that water in the anaerobic tank is uniform and does not precipitate, and an elastic three-dimensional filler 20 is arranged in the tank body to provide a microbial carrier for the anaerobic bacteria. Anaerobic decomposition is degraded in four stages: a hydrolysis stage: the macromolecule organic matter can not directly pass through the cell wall of the anaerobic bacteria because of the large molecular volume, and needs to be decomposed into small molecules by extracellular enzyme outside the microorganism, typical organic substances in the wastewater, such as cellulose, are decomposed into cellobiose and glucose by cellulase, starch is decomposed into maltose and glucose, protein is decomposed into short peptide and amino acid, and the decomposed small molecules can enter the cell body through the cell wall to be decomposed in the next step, and the acidification stage: the micromolecule organic matter enters the cell body to be converted into simpler compounds and is distributed outside the cell, the main product of the stage is volatile fatty acid VFA, and meanwhile, partial products such as alcohol, lactic acid, carbon dioxide, hydrogen, ammonia, hydrogen sulfide and the like are generated, and the acetic acid production stage comprises the following steps: at this stage, the product of the last step is further converted into acetic acid, carbonic acid, hydrogen and new cellular material, the methanogenic stage: at this stage, acetic acid, hydrogen, carbonic acid, formic acid and methanol are all converted to methane, carbon dioxide and new cellular material. The stage is also the most important stage of the whole anaerobic process and the rate-limiting stage of the whole anaerobic reaction process;

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a primary aerobic tank dissolved oxygen meter 13 and a primary aerobic tank sludge reflux flowmeter 14 are arranged at the outer end of a primary aerobic tank body 12, a primary aerobic tank air inlet 11 is fixedly arranged at the right end of the primary aerobic tank body 12, degradation of organic matters is realized through the reactions of the above four stages, the primary aerobic tank body 12 is used for degrading the organic matters through two-stage aerobic, the primary aerobic tank body 12 is used for maintaining the dissolved oxygen content in water at about 4mg/l through aeration measures, and is suitable for growth and propagation of aerobic microorganisms, and a microporous membrane aerator is arranged at the bottom of the aerobic tank and is used for continuously supplying oxygen to the aerobic tank, so that the dissolved oxygen concentration is ensured, and the falling of a biological membrane can be realized. The filler is MBBR suspension ball particle filler, and cross flow is uniformly fed into the tank body;

as shown in fig. 1, 2, 3 and 4, a mixed liquid return port 15 of a primary aerobic tank and an oxidation-reduction potentiometer 17 of a secondary anoxic tank are arranged at the outer end of a secondary anoxic tank body 16, the secondary anoxic tank body 16 is used as a water inlet section of a second functional section of the device, the content of dissolved oxygen is controlled to be 0.2-0.4mg/L, anoxic reaction is biochemical reaction involved by facultative bacteria, the facultative bacteria can react under aerobic and anaerobic conditions, molecular oxygen is absent, but combined oxygen exists, an elastic three-dimensional filler 20 is matched in the anoxic tank, water flow is decomposed and part of organic matters are removed under the facultative bacteria after entering the anoxic tank, an aeration device is arranged in the anoxic tank, the facultative microorganisms and a biomembrane are used for degrading organic matters in wastewater nitrogen, denitrification is realized for removing nitrate, a submersible mixer is used as a stirring device at the bottom of the anoxic tank, and two-stage backflow and sludge backflow enter;

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the mixed liquid return port 18 and the oxidation-reduction potentiometer body 21 of the anoxic/aerobic tank are arranged at the outer end of the anoxic/aerobic tank body 19, a carbon source adding device and a perforation stirring device are additionally arranged on the design of the anoxic/aerobic tank body 19, the transformation from the anoxic state to the aerobic state in the tank is accelerated while the perforation stirring ensures the content of dissolved oxygen, the flow is increased due to the return flow of the outer sedimentation tank 26, the dissolved oxygen is gradually increased, the tank body shows the anoxic and aerobic dual states, the undegraded nitrogen and phosphorus are further removed, the elastic three-dimensional filler 20 is arranged in the tank as in the anoxic tank, and the punching stirring is arranged at the bottom of the tank;

as shown in fig. 1, 2, 3 and 4, the elastic three-dimensional filler 20 is an elastic three-dimensional combined filler made of PP and arranged in the aerobic tank at an interval of 100mm, the filler support hanging nylon is composed of 8# channel steel and 12# deformed steel bar, the upper end and the lower end of the filler are uniformly arranged on the filler hanging ribs, the filler provides a good carrier for microbial biofilm formation, and the subsequent microbial growth and demolding are completed on the biological filler device.

As shown in fig. 1, 2, 3 and 4, a second-stage aerobic tank air inlet 23 is fixedly installed at the upper end of a second-stage aerobic tank body 22, a second-stage aerobic tank mixed liquid return port 24 is arranged on the left side of the second-stage aerobic tank air inlet 23, an aerobic tank dissolved oxygen meter body 25 is fixedly installed at the upper end of the second-stage aerobic tank body 22, the second-stage aerobic tank body 22 is used for degrading organic matters through two-stage aerobic, the dissolved oxygen content in water of the second-stage aerobic tank is maintained to be about 4mg/l through aeration measures, the aerobic microorganisms are suitable for growth and propagation, a microporous membrane aerator is installed at the bottom of the aerobic tank, oxygen is continuously conveyed into the aerobic tank, the dissolved oxygen concentration is ensured, and the falling of a biological membrane can be realized. The filler is MBBR suspended ball particle filler, cross flow is uniformly fed into the tank body, COD and BOD reach the standard, and secondary aerobic is arranged mainly for reducing the content of nitrogen and phosphorus.

As shown in fig. 1, 2, 3 and 4, after anaerobic and aerobic treatment, the mixed liquid automatically flows into a sedimentation tank 26, gravity sedimentation removes suspended matters in the sewage, an inclined plate 27 is fixedly installed at the inner end of the sedimentation tank 26, a carbon steel anticorrosion central water distribution pipe at the right end DN200 of a manhole 29 is fixedly installed at the upper end of the sedimentation tank 26, water enters from the upper part, a bell mouth is arranged at the lower part, water flows after entering from the upper part are reflected by the bell mouth and evenly dispersed from the periphery of the bell mouth to realize even water inlet, an inclined plate 27 filler bracket is installed in the sedimentation tank 26, welding firmness of all welding joints is checked, the bracket strength is enough to bear the weight of the filler, after the anticorrosion treatment is completed on the surface of the bracket, the inclined pipe filler is welded and each inclined pipe filler is packaged as an independent welding unit according to a welding method of the inclined pipe filler, one unit is 1m2 after the welding is completed, and the welded and then the welded and placed on the filler bracket to form an integral sedimentation tank 26, so as to complete a series of operations of the inverted multi-point water inlet backflow sewage treatment device, which is not described in detail in this specification and belongs to the prior art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (3)

1. The utility model provides an invert multiple spot inflow backward flow sewage treatment plant which characterized in that: the method comprises the following steps:

the device comprises a primary anoxic tank water inlet (1), a primary anoxic tank body (2) is fixedly mounted at the right end of the primary anoxic tank water inlet (1), an air inlet body (28) is fixedly mounted at the lower end of the primary anoxic tank body (2), and a primary anoxic tank oxidation-reduction potentiometer (5) is arranged on the upper side of the primary anoxic tank water inlet (1);

the anaerobic tank comprises an anaerobic tank body (8), wherein an anaerobic tank water inlet (6) is fixedly arranged at the upper end of the anaerobic tank body (8), and an anaerobic tank mixed liquid backflow water inlet (7) is fixedly arranged at the upper end of the anaerobic tank body (8);

the device comprises a primary aerobic tank body (12), wherein a primary aerobic tank air inlet (11) is fixedly arranged at the right end of the primary aerobic tank body (12), a primary aerobic tank dissolved oxygen meter (13) is fixedly arranged at the upper end of the primary aerobic tank body (12), and a primary aerobic tank sludge reflux flowmeter (14) is arranged on the right side of the primary aerobic tank dissolved oxygen meter (13);

the device comprises a secondary anoxic tank body (16), wherein a primary aerobic tank mixed liquid return port (15) is fixedly mounted at the upper end of the secondary anoxic tank body (16), and a secondary anoxic tank oxidation-reduction potentiometer (17) is fixedly mounted at the upper end of the secondary anoxic tank body (16);

the anaerobic/aerobic pool comprises an anaerobic/aerobic pool body (19), wherein the upper end of the anaerobic/aerobic pool body (19) is fixedly provided with an anaerobic/aerobic pool mixed liquid return opening (18), the inner end of the anaerobic/aerobic pool body (19) is provided with an elastic three-dimensional filler (20), and the upper end of the anaerobic/aerobic pool body (19) is fixedly provided with an oxidation-reduction potentiometer body (21);

a secondary aerobic tank body (22), wherein a secondary aerobic tank air inlet (23) is fixedly arranged at the upper end of the secondary aerobic tank body (22), a secondary aerobic tank mixed liquid return port (24) is arranged at the left side of the secondary aerobic tank air inlet (23), and an aerobic tank dissolved oxygen meter body (25) is fixedly arranged at the upper end of the secondary aerobic tank body (22);

sedimentation tank (26), the inner fixed mounting of sedimentation tank (26) has swash plate (27), the upper end fixed mounting of sedimentation tank (26) has the right-hand member of manhole (29), the left end fixed mounting of manhole (29) is in the upper end of one-level oxygen deficiency pond body (2).

2. The inverted multi-point influent return sewage treatment plant of claim 1 wherein: the left end fixed mounting of one-level oxygen deficiency pond water inlet (1) has one-level oxygen deficiency pond flowmeter of intaking (3), the upside fixed mounting of one-level oxygen deficiency pond water inlet (1) has anaerobism pond flowmeter of intaking (4).

3. The inverted multi-point influent return sewage treatment plant of claim 1 wherein: the anaerobic tank is characterized in that an anaerobic tank oxidation-reduction potentiometer (9) is arranged on the upper side of the anaerobic tank body (8), and an anaerobic tank sludge backflow flowmeter (10) is arranged on the right side of the anaerobic tank oxidation-reduction potentiometer (9).

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