CN219429816U - Intelligent MBR distributed rural sewage treatment equipment - Google Patents

Abstract

The utility model relates to intelligent MBR distributed rural sewage treatment equipment, which comprises a box body, a water inlet pipeline and a water outlet pipeline which are respectively arranged on the box body, a plurality of compartment plates arranged in the box body and an aeration system, wherein the water inlet pipeline and the water outlet pipeline are respectively arranged on the box body; wherein the plurality of compartment plates divide the internal space of the box body into an intelligent operation compartment, and a first-stage anoxic compartment, an aerobic compartment, a second-stage anoxic compartment, an MBR membrane pond, a sludge storage compartment and a clean water pond which are sequentially communicated between the water inlet pipeline and the water outlet pipeline; the aeration system comprises a fan, one end of the aeration system is communicated with the fan, and the other end of the aeration system is respectively extended to the first-stage anoxic bin, the aerobic bin, the second-stage anoxic bin and the aeration shunt in the MBR membrane pond. Compared with the prior art, the utility model has the advantages of convenient installation and operation, high integration degree, low running cost, convenient hoisting and transportation, full utilization of space, small occupied area and the like, and can effectively solve the rural sewage treatment problem.

Description

Intelligent MBR distributed rural sewage treatment equipment

Technical Field

The utility model belongs to the technical field of sewage treatment, and relates to intelligent MBR distributed rural sewage treatment equipment.

Background

The village and town sewage has the following characteristics: domestic sewage is the main part of rural sewage, and the pollutant species is less, the concentration is lower. According to the characteristics of good biodegradability of rural sewage, but scattered village distribution, the rural sewage is difficult to collect, and the small and medium-sized integrated treatment equipment becomes an effective treatment method for domestic rural sewage.

The rural domestic sewage has the advantages of small water quantity, dispersed discharge, complex water quality, high concentrated treatment capital cost and operation cost, large energy consumption and complex management.

The existing integrated equipment in the market mostly adopts the sewage treatment process of the traditional A/0+ sedimentation tank, namely an anoxic tank, an aerobic tank, a sedimentation tank, a clean water tank and matched equipment are integrated in an integrated device. Sedimentation tanks are generally in the form of inclined plates/pipes.

The existing integrated equipment has the following problems:

the sedimentation effect is poor. Due to the limitation of the transportation height of the integrated equipment, the traditional sludge storage cannot be adopted; if inclined plate/inclined pipe sedimentation is adopted, activated sludge is easy to adhere to the inclined pipe/inclined plate during long-term operation, so that the blockage is caused;

the treatment effect is unstable. The activated sludge concentration of the aerobic tank is low, and is easily influenced by impact load, so that effluent pollutants exceed the standard;

the MBR membrane can retain the activated sludge for a long time, so that the MBR membrane is easy to block to influence the clean water output efficiency, and finally the problem that the clean water cannot flow out can be caused;

the activated sludge method has larger sludge yield and needs to discharge the sludge manually and periodically.

In conclusion, the existing integrated equipment has the defects of unstable treatment effect, inconvenient operation and maintenance, large sludge discharge amount and the like. At present, the integrated village and town sewage treatment equipment which can efficiently remove various pollutants is lacked, and has the advantages of stable operation, small mud yield, simple operation management and high automation degree.

Disclosure of Invention

The utility model aims to provide sewage treatment equipment, which has the advantages of convenience in installation and operation, high integration degree, low running cost, convenience in hoisting and transportation, full utilization of space, small occupied area and the like, and can effectively solve the rural sewage treatment problem.

The aim of the utility model can be achieved by the following technical scheme:

a sewage treatment apparatus includes

A case;

the water inlet pipeline and the water outlet pipeline are respectively arranged on the box body;

the plurality of compartment plates are arranged in the box body, divide the space in the box body into an intelligent operation room, and are sequentially communicated with a first-stage anoxic compartment, an aerobic compartment, a second-stage anoxic compartment, an MBR membrane pond, a sludge storage compartment and a clean water pond between the water inlet pipeline and the water outlet pipeline; and

the aeration system comprises a fan, and an aeration shunt, wherein one end of the aeration shunt is communicated with the fan, and the other end of the aeration shunt is respectively extended into the first-stage anoxic bin, the aerobic bin, the second-stage anoxic bin and the MBR membrane pond.

Further, the device also comprises a first aeration assembly, wherein the first aeration assembly comprises an intermittent aeration pipeline arranged at the bottom of the first-stage anoxic bin, and a first gas flow regulating valve arranged between the aeration shunt and the intermittent aeration pipeline.

As the preferable technical scheme, the intermittent aeration pipelines are distributed at the bottom of the first-stage anoxic bin in a rectangular shape, and microporous aeration is adopted, so that the activity of microorganisms can be increased by using the microporous aeration, and the treatment efficiency is improved.

Further, the device also comprises a second aeration assembly, wherein the second aeration assembly comprises an aeration disc arranged at the bottom of the aerobic bin and a second gas flow regulating valve arranged between the aeration shunt and the aeration disc.

As the preferable technical proposal, the aeration mode in the aerobic bin is the arrangement of the aeration disc by adjusting the gas flow of the aeration disc. In general, the dissolved oxygen at the tail end of the aeration quantity aerobic bin can be regulated and controlled according to the gas flow regulating valves.

Further, a box door is arranged on the box body, and an observation window and an air exchanging grid are arranged on the box door.

Further, spherical filler and filler filter screens are arranged in the first-stage anoxic bin, the aerobic bin and the second-stage anoxic bin.

Further, the partition plate is provided with a through-flow port, and the first-stage anoxic bin, the aerobic bin, the second-stage anoxic bin, the MBR membrane pond and the clean water pond are sequentially communicated through the through-flow port, and the sludge storage bin is communicated with the MBR membrane pond.

Further, along the sewage flowing direction, adjacent through-flow openings are arranged on the corresponding partition plates in a staggered manner up and down.

Further, a filter screen is arranged at the position of the overflow port.

Further, a central water distribution pipe is arranged at the center of the sludge storage bin and connected with the sludge storage bin and the MBR membrane pond through a flow port pipeline.

Further, the top of the first-stage anoxic bin is provided with a water distribution pipeline communicated with the water inlet pipeline and a plurality of water distribution pipe branches communicated with the water distribution pipeline.

Compared with the prior art, the utility model has the following characteristics:

the process adopts an MBR membrane process, and the membrane has high interception effect on sludge, so that on one hand, the SS concentration of effluent is reduced, and the effluent is ensured to reach the standard; on the other hand, the microorganism concentration in the equipment is greatly increased, so that the pollutant removal efficiency is improved. The anoxic tank and the aerobic tank of the equipment adopt the MBBR technology, so that the spherical filler is added, the microbial activity is increased, the sludge yield is reduced, and the pollutant removal efficiency is improved. The automation control system increases the intellectualization of the equipment, and can realize remote control and the like. The two-stage A/O process can improve the adaptability of the equipment to different water quality conditions of water inflow, and can be suitable for low-concentration water inflow conditions and high-concentration water inflow conditions.

Drawings

FIGS. 1 and 2 are axial views of the overall external structure of an intelligent MBR distributed rural sewage treatment device according to the present utility model;

FIG. 3 is a top view of the internal structure of an intelligent MBR distributed rural sewage treatment device according to the present utility model;

FIG. 4 is a partial cross-sectional view of the intelligent inter-operating room;

FIGS. 5 and 6 are axial views of the internal structure of an intelligent MBR distributed rural sewage treatment device according to the present utility model;

1-ventilation grille, 2-box door, 3-box body, 4-water inlet return pipe, 5-mud discharge pipe, 6-water inlet pipeline, 7-water outlet pipeline, 8-gas pipeline interface, 9-overflow pipe, 10-hoisting component, 11-first signal line inlet, 12-second signal line inlet, 13-water distribution pipe branch, 14-top rainwater discharge port, 15-clean water tank upper cover plate, 16-back flush pump, 17-electric control cabinet, 18-clean water tank, 19-sludge storage bin, 20-central water distribution pipe, 21-water distribution pipeline, 22-overflow pipe quick connection, 23-first-stage anoxic bin, 24-intermittent aeration pipeline, 25-aerobic bin, 26-aeration disc, 27-gas flow regulating valve, 28-second-stage anoxic bin intermittent aeration pipeline, 29-second-stage anoxic bin, 30-MBR membrane tank, 31-membrane component, 32-nitrifying liquid, 33-nitrifying liquid reflux system, 34-intelligent operation room, 35-suction back flush system, 36-sludge reflux system, 37-aeration system, 38-first and 39-second dosing pump and third dosing pump.

Detailed Description

The utility model will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present utility model, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present utility model is not limited to the following examples.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. 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 utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the following embodiments or examples, unless otherwise specified, functional components or structures are indicated as conventional components or structures employed in the art to achieve the corresponding functions.

In order to solve the rural sewage treatment problem and improve the treatment efficiency and effect, the utility model provides an intelligent MBR distributed rural sewage treatment device, the structure of which is shown in figures 1, 2, 3, 4, 5 and 6, and comprises an intelligent operation room 34, a box body 3, an aeration system 37, a sludge reflux system 36, a nitrifying liquid reflux system 33, a suction and back flushing system 35, a water inlet pipeline 6 and a water outlet pipeline 7, wherein an intelligent electric control cabinet 17 is arranged in the intelligent operation room 34 and has the functions of data remote transmission and remote control operation equipment, an acrylic glass observation window and a ventilation grid 1 are arranged on a box door 2, a plurality of compartment plates are arranged in the box body 3 to divide the internal space of the box body 3 into a first-stage anoxic compartment 23, an aerobic compartment 25, a second-stage anoxic compartment 29, an MBR membrane tank 30, a sludge storage compartment 19 and a clean water tank 18 which are sequentially connected, the aeration system 37 is composed of a fan, an aeration first branch and an aeration second branch, wherein one ends of the aeration first branch and the aeration second branch are respectively connected with the fan through pipelines, the other ends of the aeration first branch and the aeration second branch are respectively connected with a first aeration component and a second aeration component which are respectively arranged in the first-stage anoxic bin 23 and the aerobic bin 25, the second-stage anoxic bin 29 and the MBR membrane pond 30, one end of the water inlet pipeline 6 is connected with an external water source to be treated, the other end of the water inlet pipeline 6 is connected with the first-stage anoxic bin 23, one end of the water outlet pipeline 7 is connected with the clean water pond 18, the other end of the water outlet pipeline is connected with the outside, spherical fillers for adhesion of microorganisms are uniformly distributed in the first-stage anoxic bin 23, the aerobic bin 25 and the second-stage anoxic bin 29, so that the microbial activity is increased, the sludge yield is reduced, and the pollutant removal efficiency is improved. In addition, the first-stage anoxic bin 23, the aerobic bin 25 and the second-stage anoxic bin 29 are respectively provided with a filler filter screen.

In some embodiments, the suction and backwash system 35 is used for membrane module cleaning and includes backwash pump 16 and suction pump disposed within the intelligent operation compartment 34 and backwash or suction piping connected at one end to the backwash pump 16 or suction pump and extending at the other end to the primary anoxic tank 23, the aerobic tank 25, the secondary anoxic tank 29, and the MBR membrane tank 30.

In some specific embodiments, a first flow passage is arranged on a partition plate for separating the first-stage anoxic bin 23 and the aerobic bin 25, and a filter screen is arranged on the partition plate. In addition, the first-stage anoxic bin 23 is also internally provided with an overflow pipe 9, and by arranging the overflow pipe 9, when the overflow port is blocked, a certain liquid level can be maintained and redundant sewage can be rapidly discharged. In addition, the top of the overflow pipe 9 is provided with an observation port corresponding to the box cover, and the size of the observation port can be selected to be 100mm multiplied by 100mm.

In some specific embodiments, the intelligent operation room 34 is internally provided with an intelligent electric control cabinet 17, which has the functions of data remote transmission, remote control operation equipment and the like, and the door 2 of the intelligent operation room is provided with an acrylic glass observation window and a ventilation grid 1, wherein the size of the ventilation grid can be 300mm multiplied by 300mm.

In some embodiments, the box 3 is further provided with a lifting assembly 10, which is a standard container corner fitting, and is welded and fixed to the box 1.

In some specific embodiments, a second water passing port is arranged on a partition plate for separating the aerobic bin 25 and the second-stage anoxic bin 29, and a filter screen is arranged on the partition plate.

In some specific embodiments, the first aeration assembly comprises a first-stage anoxic bin intermittent aeration pipeline 24 positioned at the bottom of the first-stage anoxic bin 23 and a plurality of independent gas flow regulating valves 27 for regulating, wherein the first-stage anoxic bin intermittent aeration pipeline 24 is uniformly distributed at the bottom of the anoxic bin 23 in a rectangular shape, and micro-pore aeration is adopted, so that the activity of microorganisms can be increased by utilizing micro-aeration, and the treatment efficiency is improved.

In some embodiments, the aeration disc aeration system includes an aeration disc 26 at the bottom of the aerobic bin 25 and a plurality of independent gas flow regulating valves for controlling and regulating the aeration disc 6.

Here, by adjusting the gas flow of the aeration disc system, the aeration mode in the aerobic bin 25 is that of the aeration disc 26. In general, the dissolved oxygen at the end of the aeration aerobic bin 25 can be regulated and controlled according to the gas flow regulating valves.

In some specific embodiments, a third water passing port is arranged on a partition plate for separating the second-stage anoxic bin 29 and the MBR membrane tank 30, and a filler filter screen is arranged on the third water passing port, and the third water passing port is positioned at the lower part of the MBR membrane tank 30;

a fourth water passing port is arranged on a partition plate for separating the MBR membrane pond 30 from the sludge storage bin 19, a central water distribution pipe 20 is further arranged at the central position of the sludge storage bin 19, and the fourth water passing port is connected with the central water distribution pipe 20 through a pipeline.

In some specific embodiments, the upper part of the first-stage anoxic bin 23 is also provided with a plurality of water distribution pipe branches 13 connected with the water distribution pipeline 21, the water distribution pipeline 21 is uniformly divided into three branches, the center distance of each branch is 500mm, and by arranging the water distribution pipe branches 13, the hydraulic power can be controlled to uniformly prevent the local excessive impact and the high load, and the dead angle phenomenon can be effectively prevented.

In some specific embodiments, a nitrifying liquid circulation loop is further connected in the MBR membrane tank 30, and the other end of the water circulation loop is connected back to the first-stage anoxic bin 23.

In some specific embodiments, the bottom of the sludge storage bin 19 is further connected with a sludge discharge pipe 5 communicated with the outside, and a sludge return pipeline, which returns sludge to the first-stage anoxic bin 23 through a pump body arranged in the intelligent operation room 34, so as to realize internal return.

In some specific embodiments, the first-stage anoxic bin 23, the aerobic bin 25, the second-stage anoxic bin 29, the MBR membrane tank 30, the sludge storage bin 19 and the upper side are provided with building block plate type box doors, so that membrane assembly replacement, overhaul and operation and maintenance operations are facilitated, meanwhile, the top of the clean water tank 33 is also provided with a clean water tank upper cover plate 15 which can be opened in a turnover manner, and a detection system mounting bracket can be arranged in the clean water tank 33 and is provided with a water quality on-line detection system for detecting the quality of upper clean water flowing into the clean water tank 33. The installation support of the water quality on-line detection system can be used for expanding and installing an on-line detection instrument, feeding back the water quality of the effluent of the equipment and the dissolved oxygen condition of the aerobic bin 25 in real time, and providing a basis for the adjustment of the technological parameters of the equipment.

In some specific embodiments, the whole device is further provided with an intelligent operation room 34, and a medicine storage barrel, a first medicine adding pump 38, a second medicine adding pump 39, a third medicine adding pump 40, an intelligent electric control cabinet 17 and the like are arranged in the intelligent operation room 34, wherein the intelligent electric control cabinet 17 is used for placing an equipment electric control system, a power supply device and the like so as to realize equipment intelligent, remote transmission and control functions.

Meanwhile, the device is also provided with a water circulation system which is respectively and independently connected with the first-stage anoxic bin 23, the MBR membrane tank 30, the sludge storage bin 19, the clean water tank 18 and the intelligent operation room 34. The water circulation systems are independently connected, wherein the water circulation system inlet and outlet of the intelligent operation room 34 are both arranged in the clean water tank 18, so that the upper clean water layer is used for carrying out on-line detection on SS in the clean water tank 18, and the water is discharged from the water outlet pipeline 7 when the discharge standard is met.

In some specific embodiments, the tank 3 is further provided with a water inlet return pipe 4, a gas pipeline interface 8, a cable inlet 11, a signal line cable inlet 12 and an overflow pipe quick connection 22, wherein the water inlet return pipe 4 is branched through two pipelines to adjust the water inlet flow; the gas pipeline interface 8 is used for stripping the supernatant of the sludge pool and is connected with an internal fan of the device; the cable, the first signal line inlet 11 and the second signal line inlet 12 are used as equipment power supplies and signal line inlets and are connected with an equipment electric cabinet; the overflow pipe quick connection 22 is used as an external connection port of the overflow pipe 9 and is connected with an adjusting tank.

In some embodiments, the top of the tank 3 is also provided with a roof rainwater drain 14 in communication with a sludge storage bin 19.

The above embodiments may be implemented singly or in any combination of two or more.

The above embodiments are described in more detail below in connection with specific examples.

Examples:

in combination with the water treatment device in any of the above embodiments, the object of treatment in this example is that domestic sewage is collected in a regulating tank by a pipe network, pumped by a lift pump, and enters a water distribution pipeline 21 at the top of a first-stage anoxic bin 23 from a water inlet pipeline 9, and the water amount is controlled to be 2.1m ³ The first-stage anoxic bin 23 is subjected to aeration stirring through a first-stage anoxic bin intermittent aeration pipeline 24; then sewage enters the aerobic bin 25 through the first water passing port, and the aerobic bin 25 is aerated by adopting an aeration disc aeration system; then the sewage enters a second-stage anoxic bin 29 through a second water outlet, and the second-stage anoxic bin 29 is aerated and stirred through a second-stage anoxic bin intermittent aeration pipeline 28; and then enters the MBR membrane tank 30 through a third water passing port. A nitrifying liquid reflux system 33 is arranged in the membrane pond, and comprises a submersible pump and a nitrifying liquid reflux pipe 32 which is communicated with the submersible pump and the first-stage anoxic bin 23, and nitrifying liquid in the MBR membrane pond 30 can be refluxed to the first-stage anoxic bin 23 for denitrification through the nitrifying liquid reflux system 33; a sludge reflux pipe is arranged at the bottom of the MBR membrane tank 30 and is connected with a sludge reflux system 36 of the intelligent operation room 34, so that the sludge at the bottom of the MBR membrane tank 30 is refluxed to the first-stage anoxic bin 23; the membrane module 31 is disposed in the MBR membrane tank 30, and any MBR membrane module in the prior art can be adopted, and preferably, an aeration pipe is further disposed on the membrane module for membrane scouring; an MBR membrane tank aeration system is also independently arranged at the bottom of the MBR membrane tank 30 outside the membrane component 31 for aeration; the MBR membrane tank 30 is provided with a liquid level meterThe pressure sensor is used for ensuring the water level of the MBR membrane tank 30 and preventing the suction and back flushing system 35 from being empty; under the action of the suction system 35, the sewage in the MBR membrane tank 30 is intercepted by the membrane module 31, and filtered clean water flows into the clean water tank 18 and then is discharged out of the device.

The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.

Claims (10)

1. Intelligent MBR distributed rural sewage treatment device, which is characterized by comprising

A case (3);

the water inlet pipeline (6) and the water outlet pipeline (7) are respectively arranged on the box body (3);

the plurality of compartment plates are arranged in the box body (3) and divide the internal space of the box body (3) into an intelligent operation room (34), and a first-stage anoxic compartment (23), an aerobic compartment (25), a second-stage anoxic compartment (29), an MBR membrane tank (30), a sludge storage compartment (19) and a clean water tank (18) which are sequentially communicated between the water inlet pipeline (6) and the water outlet pipeline (7); and

the aeration system (37) comprises a fan, and an aeration shunt, wherein one end of the aeration shunt is communicated with the fan, and the other end of the aeration shunt is respectively extended into the first-stage anoxic bin (23), the aerobic bin (25), the second-stage anoxic bin (29) and the MBR membrane tank (30).

2. The intelligent MBR distributed rural sewage treatment equipment according to claim 1, further comprising a first aeration assembly, wherein the first aeration assembly comprises an intermittent aeration pipeline (24) arranged at the bottom of the first-stage anoxic bin (23), and a first gas flow regulating valve arranged between the aeration shunt and the intermittent aeration pipeline (24).

3. The intelligent MBR distributed rural sewage treatment equipment according to claim 1, further comprising a second aeration assembly, wherein the second aeration assembly comprises an aeration disc (26) arranged at the bottom of the aerobic bin (25), and a second gas flow regulating valve arranged between the aeration shunt and the aeration disc (26).

4. The intelligent MBR distributed rural sewage treatment device according to claim 1, wherein the first-stage anoxic bin (23), the aerobic bin (25) and the second-stage anoxic bin (29) are respectively provided with spherical filler and a filler filter screen.

5. The intelligent MBR distributed rural sewage treatment equipment according to claim 1, wherein the partition plate is provided with a through-flow port, and the first-stage anoxic bin (23), the aerobic bin (25), the second-stage anoxic bin (29), the MBR membrane tank (30) and the clean water tank (18) are sequentially communicated through the through-flow port, and the sludge storage bin (19) is communicated with the MBR membrane tank (30).

6. The intelligent MBR distributed rural sewage treatment equipment according to claim 5, wherein adjacent overflow ports are arranged on corresponding partition plates in a staggered manner up and down along the sewage flow direction.

7. The intelligent MBR distributed rural sewage treatment device according to claim 5, wherein a filter screen is arranged at the overflow port.

8. The intelligent MBR distributed rural sewage treatment equipment according to claim 5, wherein a central water distribution pipe (20) is arranged in the center of the sludge storage bin, and the central water distribution pipe (20) is connected with a through-flow port pipeline between the sludge storage bin (19) and the MBR membrane tank (30).

9. The intelligent MBR distributed rural sewage treatment equipment according to claim 1, wherein the top of the first-stage anoxic bin (23) is provided with a water distribution pipeline (21) communicated with the water inlet pipeline (6) and a plurality of water distribution pipe branches (13) communicated with the water distribution pipeline (21).

10. The intelligent MBR distributed rural sewage treatment equipment according to claim 1, wherein the box body (3) is provided with a box door (2), and the box door (2) is provided with an observation window and a ventilation grid (1).