CN212504219U - Improvement type integration sewage treatment plant - Google Patents

Abstract

The utility model relates to the technical field of sewage treatment, in particular to an improved integrated sewage treatment device, which comprises a treatment box body, a first reflux device and a second reflux device, wherein the treatment box body is arranged on a horizontal plane, an anaerobic zone, an anoxic zone I, an anoxic zone II and a membrane pool are sequentially arranged inside the treatment box body, a water inlet pipe communicated with the anaerobic zone is arranged on the side wall of the treatment box body, a water inlet control valve is arranged on the water inlet pipe, the first reflux device is arranged in the anoxic zone II, the second reflux device is arranged in the membrane pool, the utility model can baffle sewage upwards and downwards to move forwards, the sewage gradually passes through a sludge layer of each small reaction chamber, substrates in the inlet water are fully contacted with microorganisms, the reaction is more sufficient, and the sludge in a rear zone is continuously conveyed to the anaerobic zone and the anoxic zone I under the control of the arranged reflux devices, and the sewage treatment device participates in the water treatment process again, so that the lost sludge is continuously supplemented, the water inlet load is reduced, and the shock resistance of the reaction tank is improved.

Description

Improvement type integration sewage treatment plant

Technical Field

The utility model belongs to the technical field of sewage treatment technique and specifically relates to an improvement type integration sewage treatment plant is related to.

Background

Environmental pollution and climate change are severe, and ammonia nitrogen pollution gradually draws high attention in all aspects. The nitrogen pollution in water body is increasingly serious, the ammonia nitrogen in the sewage at present widely adopts the traditional nitrification-denitrification process, when the process is used for treating the waste water with high ammonia nitrogen and low C/N (such as landfill leachate and nitrified sludge dewatering liquid), the energy consumption is large (nitrification and aeration) and the heterotrophic denitrification needs to add an organic carbon source and add alkali to neutralize the acid generated in the nitrification process, so that the investment and the operation cost are greatly increased.

Adopt all need to adopt dive agitating unit among the prior art to sewage treatment usually to increased certain cost, the operation under the high sludge concentration, mixed liquid backward flow proportion is little, makes individual unit not have concurrently and pushes away the advantage of flowing and mixing, makes pollutant concentration gradient great in the whole flow, and the microorganism can not be in endogenous breathing phase in the activated sludge, makes surplus mud increase volume, can not flow back to sewage treatment moreover, leads to the treatment effect not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improvement type integration sewage treatment plant to solve the technical problem in the above-mentioned background art.

The utility model provides an improvement type integration sewage treatment plant, including handling box, first reflux unit and second reflux unit, it sets up on the horizontal plane to handle the box, it is equipped with an anaerobic zone, anoxic zone one, anoxic zone two and membrane cisterna in proper order to handle incasement portion, be equipped with the inlet tube that is linked together with anaerobic zone on handling box lateral wall, just be equipped with the control flap of intaking on the inlet tube, first reflux unit sets up and first reflux unit is linked together with anaerobic zone in anoxic zone two, second reflux unit sets up in the membrane cisterna and second reflux unit is linked together with anoxic zone one.

Further, the first backflow device comprises a first backflow pump and a first backflow pipe, the first backflow pump is arranged in the anoxic zone two, one end of the first backflow pipe is communicated with the first backflow pump, and the other end of the first backflow pipe penetrates through the anoxic zone one and extends into the anaerobic zone.

Further, second reflux unit includes second backwash pump and second back flow, the second backwash pump sets up in the membrane pond, the one end and the second backwash pump of second back flow are linked together, the other end of second back flow is vertical upwards run through the processing box and is extended to first top of anoxic zone and second back flow and anoxic zone and be linked together.

Furthermore, the anaerobic zone, the anoxic zone I, the anoxic zone II and the membrane pool are communicated with each other, and the anaerobic zone, the anoxic zone I and the anoxic zone II are all in a labyrinth structure.

Furthermore, vertical guide plates are arranged in the anaerobic zone, the anoxic zone I and the anoxic zone II.

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

one of them, the utility model discloses in flow the mud through gravity and dash first check to last check, baffling about it. And finally, the wastewater flows into the membrane pool from the upper part of the anoxic tank II, and is baffled up and down without a submersible stirring device, so that the power consumption and the operating cost are reduced.

And secondly, the utility model discloses in through the vertical guide plate that sets up in anaerobic zone, anoxic zone one and anoxic zone two, divide into the little reaction formula of several series connection with it, every reaction formula all is a relatively independent upflow sludge bed system, and wherein mud exists with the flocculent form.

Thirdly, the utility model discloses in when sewage treatment, rivers are advanced by baffling about the guide plate guide, progressively through the sludge blanket of every little reacting chamber, under same effective volume, make its flow elongated, do not have the short current, the substrate in the influent with the microorganism fully contact, the reaction is comparatively abundant.

Fourthly, the utility model discloses in through the controlling of the reflux unit who sets up, anaerobic zone and anoxic zone are constantly carried to back end mud, participate in water treatment process again, constantly supply the mud that runs off through such mode, reduce the load of intaking, furthest's improvement reaction tank shock resistance keeps certain velocity of flow through the backward flow moreover, makes the sludge blanket be in the suspended state, and limit load in the short time can bear one hundred fifty percent.

And fifthly, the utility model discloses in move under the high sludge concentration of MBR, it is big to mix liquid backward flow proportion, makes the advantage that individual unit has plug flow and mixes concurrently, and pollutant concentration gradient is less in whole flow, and the microorganism is in endogenous breathing phase among the activated sludge for surplus sludge minimizing.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

reference numerals:

the anaerobic treatment device comprises a treatment box body 1, an anaerobic zone 11, an anoxic zone I12, an anoxic zone II 13, a membrane pool 14, a water inlet pipe 15, a water inlet control valve 16, a first reflux device 2, a first reflux pump 21, a first reflux pipe 22, a second reflux device 3, a second reflux pump 31, a second reflux pipe 32 and a vertical guide plate 4.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following description shows, with reference to fig. 1, an embodiment of the present invention provides an improved integrated sewage treatment apparatus, including a treatment tank 1, a first reflux unit 2 and a second reflux unit 3, wherein the treatment tank 1 is disposed on a horizontal plane, the treatment tank is internally provided with an anaerobic zone 11, an anoxic zone one 12, an anoxic zone two 13 and a membrane tank 14 in sequence, a side wall of the treatment tank 1 is provided with a water inlet pipe 15 communicated with the anaerobic zone 11, the water inlet pipe 15 is provided with a water inlet control valve 16, the first reflux unit 2 is disposed in the anoxic zone two 13 and the first reflux unit 2 is communicated with the anaerobic zone 11, the second reflux unit 3 is disposed in the membrane tank 14 and the second reflux unit 3 is communicated with the anoxic zone one 12, and the first reflux unit 2 and the second reflux unit 3 are arranged to convey back-stage sludge to the anaerobic zone 11 and the anoxic zone one 12, the sewage treatment device can continuously supplement lost sludge in the water treatment process, reduce the water inlet load and improve the shock resistance of the reaction tank to the maximum extent.

Specifically, the first backflow device 2 comprises a first backflow pump 21 and a first backflow pipe 22, the first backflow pump 21 is arranged in the anoxic zone two 13, one end of the first backflow pipe 22 is communicated with the first backflow pump 21, the other end of the first backflow pipe 22 penetrates through the anoxic zone one 12 and extends into the anaerobic zone 11, sludge mixed liquid in the membrane pool 14 can be conveyed into the anoxic zone one 12, water treatment is carried out again, lost sludge is replenished continuously, water inflow load is reduced, and impact resistance of the anoxic zone one 12 is improved.

Specifically, the second reflux device 3 comprises a second reflux pump 31 and a second reflux pipe 32, the second reflux pump 31 is arranged in the membrane tank 14, one end of the second reflux pipe 32 is communicated with the second reflux pump 31, the other end of the second reflux pipe 32 vertically penetrates through the treatment tank body 1 upwards and extends to the top of the anoxic zone I12, the second reflux pipe 32 is communicated with the anoxic zone I12, a certain flow rate can be maintained through the arranged second reflux device 3, the sludge blanket is in a suspension state, and the limit load in a short time can bear one hundred fifty percent.

Specifically, the anaerobic zone 11, the anoxic zone I12, the anoxic zone II 13 and the membrane tank 14 are communicated with each other, and the anaerobic zone 11, the anoxic zone I12 and the anoxic zone II 13 are all in a labyrinth structure.

Specifically, all be provided with vertical guide plate 4 in anaerobic zone 11, anoxic zone one 12 and the anoxic zone two 13, separate anaerobic zone 11, anoxic zone one 12 and anoxic zone two 13 into a plurality of vertical flow direction's of establishing ties reaction chamber, when sewage treatment, rivers are passed through the sludge blanket of every little reaction chamber progressively by baffle guide upper and lower baffling, under same effective volume, make its flow lengthen, do not have the short-term flow, improved the substrate in the aquatic and fully contacted with the microorganism, the reaction is comparatively abundant.

The utility model discloses a theory of operation: when the sewage is treated, a water inlet control valve 16 arranged on a water inlet pipe 15 is opened, the sewage flows into an anaerobic zone 11 from the water inlet pipe 15 on the side wall of a treatment box body 1, the sewage rushes into an anoxic zone I12 and an anoxic zone II 13 through gravity flow and is deflected up and down, and finally flows into a membrane tank 14 from the upper part of the anoxic zone II 13, the first reflux pump 21 and the second reflux pump 31 work to continuously reflux the sludge into the anaerobic zone 11 and the anoxic zone I12, participate in the water treatment process again, continuously replenish the lost sludge, reduce the water inlet load, improve the shock resistance of the reaction tank to the maximum extent, the MBR high-concentration sludge treatment system operates under the high-concentration sludge of the MBR, the reflux proportion of mixed liquid is large, so that each unit has the advantages of plug flow and mixing, the concentration gradient of pollutants in the whole process is small, and microorganisms in activated sludge are in an inner yard respirator, so that the residual sludge is reduced.

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 (5)

1. The utility model provides an improvement type integration sewage treatment plant, its characterized in that, is including handling box (1), first reflux unit (2) and second reflux unit (3), it sets up on the horizontal plane to handle box (1), it is equipped with an anaerobic zone (11), anoxic zone (12), anoxic zone two (13) and membrane cisterna (14) in proper order to handle incasement portion, be equipped with inlet tube (15) that are linked together with anaerobic zone (11) on handling box (1) a lateral wall, just be equipped with into water control flap (16) on inlet tube (15), first reflux unit (2) set up in anoxic zone two (13) and first reflux unit (2) are linked together with anaerobic zone (11), second reflux unit (3) set up in membrane cisterna (14) and second reflux unit (3) are linked together with anoxic zone (12).

2. The improved integrated sewage treatment device of claim 1, wherein: the first backflow device (2) comprises a first backflow pump (21) and a first backflow pipe (22), the first backflow pump (21) is arranged in the anoxic zone II (13), one end of the first backflow pipe (22) is communicated with the first backflow pump (21), and the other end of the first backflow pipe (22) penetrates through the anoxic zone I (12) and extends into the anaerobic zone (11).

3. The improved integrated sewage treatment device of claim 1, wherein: the second reflux device (3) comprises a second reflux pump (31) and a second reflux pipe (32), the second reflux pump (31) is arranged in the membrane pool (14), one end of the second reflux pipe (32) is communicated with the second reflux pump (31), the other end of the second reflux pipe (32) vertically penetrates upwards through the treatment box body (1) and extends to the first anoxic zone (12) top, and the second reflux pipe (32) is communicated with the first anoxic zone (12).

4. The improved integrated sewage treatment device of claim 1, wherein: the anaerobic zone (11), the anoxic zone I (12), the anoxic zone II (13) and the membrane tank (14) are communicated with each other, and the anaerobic zone (11), the anoxic zone I (12) and the anoxic zone II (13) are all in a labyrinth structure.

5. The improved integrated sewage treatment device of claim 1, wherein: vertical guide plates (4) are arranged in the anaerobic zone (11), the anoxic zone I (12) and the anoxic zone II (13).

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