CN212669332U

CN212669332U - Integration MBR effluent treatment plant

Info

Publication number: CN212669332U
Application number: CN202021358525.XU
Authority: CN
Inventors: 王候兵; 李强; 姚远; 朱海燕; 陈刚; 熊向阳
Original assignee: China Urban Construction Design and Research Institute Co Ltd
Current assignee: China Urban Construction Design and Research Institute Co Ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-03-09
Anticipated expiration: 2030-07-10

Abstract

The utility model relates to a MBR waste water treatment device field discloses an integrated MBR waste water treatment device, the integrated MBR waste water treatment device comprises an anoxic tank, an aerobic tank, a clean water tank and a device room, and further comprises a first interval and a second interval, wherein the anoxic tank and the aerobic tank are positioned in the first interval, the clean water tank and the device room are positioned in the second interval, the aerobic tank is arranged at the bottom of the first interval for an L-shaped box body, the anoxic tank is arranged above the aerobic tank for a rectangular box body, an aeration zone is arranged in the aerobic tank below the anoxic tank, an MBR zone is arranged in the aerobic tank on the left side or the right side of the anoxic tank, the MBR zone is positioned between the anoxic tank and the second interval, and an MBR membrane component is arranged in the MBR zone; the anoxic tank is a water inlet area and is communicated with an aeration area of the aerobic tank, and the MBR area of the aerobic tank is respectively communicated with the anoxic tank and the clean water tank.

Description

Integration MBR effluent treatment plant

Technical Field

The utility model relates to a MBR effluent treatment plant field specifically relates to an integration MBR effluent treatment plant.

Background

With the development of economic society, the sewage treatment industry in China is in a rapid development period, which is reflected in the aspects of expansion of sewage treatment capacity, improvement of sewage treatment efficiency, increase of sewage treatment total amount and the like. The water treatment environment-friendly equipment industry is driven to develop rapidly, and various water treatment equipment comes out endlessly. The MBR integrated equipment has the characteristics of wide application range, strong adaptability, strong separation and interception functions, capability of filtering harmful microorganisms, small occupied area of the equipment, stable water outlet and the like, and has larger and larger occupied proportion in the market of the existing water treatment equipment and good development prospect.

Specifically, MBR trends include the following three points: first, the equipment structure is more compact in design and construction, thereby reducing floor space and increasing flexibility. Secondly, various traditional treatment process characteristics are referred to, and various processes are subjected to technical fusion, so that equipment upgrading and innovation are realized, and sewage treatment efficiency is further improved. Thirdly, the operation of the equipment adopts the modern information technology, so that the processing technology is promoted to develop towards the direction of centralization, automation and intellectualization, and the comprehensive use performance is enhanced.

Therefore, the conventional MBR equipment has the problems that the structure is not compact enough in design and construction and the flexibility is not high; the cost of equipment manufacture, investment, operation and the like is high; insufficient automation and intelligence, poor comprehensive use performance and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects existing in the prior art and provide an integrated MBR wastewater treatment device.

The utility model discloses the purpose is realized through following technical scheme:

the integrated MBR wastewater treatment equipment comprises an anoxic tank, an aerobic tank, a clean water tank, an equipment room, a first interval and a second interval, wherein the anoxic tank and the aerobic tank are positioned in the first interval, the clean water tank and the equipment room are positioned in the second interval, the aerobic tank is an L-shaped box body and is arranged at the bottom of the first interval, the anoxic tank is a rectangular box body and is arranged above the aerobic tank, an aeration zone is arranged in the aerobic tank below the anoxic tank, an MBR zone is arranged in the aerobic tank on the left side or the right side of the anoxic tank, the MBR zone is positioned between the anoxic tank and the second interval, and an MBR membrane assembly is arranged in the MBR zone; the anoxic tank is a water inlet area and is communicated with an aeration area of the aerobic tank, and the MBR area of the aerobic tank is respectively communicated with the anoxic tank and the clean water tank.

Furthermore, the bottom of the anoxic tank is provided with a perforated aeration pipe for stirring the anoxic tank.

Further, the aeration zone comprises an aeration pipe arranged at the bottom of the aerobic tank and a valve for adjusting the air volume.

Further, the MBR membrane module is an MBR curtain type membrane module, the MBR curtain type membrane module is provided with a guide rail for replacing a membrane curtain, and the bottom, the left side and the right side of the MBR curtain type membrane module are respectively provided with a gas cleaning pipeline, a gas stripping reflux pump and a gas stripping sludge discharge pump.

Furthermore, the clean water tank is a water production cache area of the MBR membrane module and can provide back washing for the MBR area, and the volume of the clean water tank meets the back washing water quantity of the MBR membrane module of 2-5 minutes.

Furthermore, the clean water tank is communicated with the MBR membrane assembly through a water outlet pipeline and a back flush pipeline, and the water outlet pipeline and the back flush pipeline are the same pipeline.

Furthermore, emptying grooves are formed in the bottoms of the first interval and the second interval, and pipelines are pre-buried in the emptying grooves and used for discharging water.

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

in the utility model, the anoxic tank and the aerobic tank are respectively integrated in the first region, and the clean water tank and the equipment room are integrated in the second region, so that the equipment can be more compact in structure and construction, and the occupied area is reduced; specifically, the anoxic tank and the aerobic tank which are positioned in the first interval are respectively a rectangular box body and an L-shaped box body, and the MBR membrane module can be embedded into the anoxic tank and the aerobic tank in the matching mode, so that an aeration zone and an MBR zone in the anoxic tank and the aerobic tank are all integrated in the first interval, and the space is utilized to the maximum extent. Compare among the prior art oxygen deficiency pond, good oxygen pond, clean water basin and equipment room are for connecting gradually, the utility model discloses well first interval arrange the structure that has adopted rectangle box, L type box for aeration zone, MBR district in oxygen deficiency pond, good oxygen pond are the annular and arrange in first interval, and waste water can constantly circulate in first interval under the effect of pump sending, discharge again until final treatment finishes.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive laboriousness.

FIG. 1 is a schematic structural diagram of an integrated MBR wastewater treatment device.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is a sectional view taken along line B-B in fig. 1.

The system comprises a first interval 1, a second interval 2, a gas cleaning pipeline 3, a gas stripping reflux pump 4, a gas stripping sludge discharge pump 5, an anoxic tank 11, an aerobic tank 12, a clean water tank 21, an equipment room 22, a perforated aeration pipe 111, an aeration zone 121, an MBR zone 122, a liquid level controller 211, an aeration pipe 1211 and an MBR membrane module 1221.

Detailed Description

The invention will be further described with reference to specific embodiments, wherein the drawings are designed solely for the purpose of illustration and not as a definition of the limits of the patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

As shown in fig. 1 to 3, the present embodiment provides an integrated MBR wastewater treatment apparatus, including an anoxic tank 11, an aerobic tank 12, a clean water tank 21 and an equipment room 22, the integrated MBR wastewater treatment apparatus further includes a first section 1 and a second section 2, the anoxic tank 11 and the aerobic tank 12 are located in the first section 1, the clean water tank 21 and the equipment room 22 are located in the second section 2, the aerobic tank 12 is an L-shaped box body and is disposed at the bottom of the first section 1, the anoxic tank 11 is a rectangular box body and is disposed above the aerobic tank 12, an aeration zone 121 is disposed in the aerobic tank 12 below the anoxic tank 11, an MBR zone 122 is disposed in the aerobic tank 12 on the left or right of the anoxic tank 11, and the MBR zone 122 is located between the anoxic tank 11 and the second section 2, and an MBR membrane module 1221 is disposed in the MBR zone 122; wherein, the anoxic tank 11 is a water inlet area and is communicated with the aeration area 121 of the aerobic tank 12, and the MBR area 122 of the aerobic tank 12 is respectively communicated with the anoxic tank 11 and the clean water tank 21.

In the embodiment, the anoxic tank 11 and the aerobic tank 12 are respectively integrated in the first section 1, and the clean water tank 21 and the equipment room 22 are integrated in the second section 2, so that the equipment is more compact in structure and construction, and the occupied area is reduced; specifically, the anoxic tank 11 and the aerobic tank 12 in the first zone 1 are respectively a rectangular box body and an L-shaped box body, and the MBR membrane modules can be embedded in the above-mentioned matching mode, so that the

aeration zones

121 and 122 in the anoxic tank 11 and the aerobic tank 12 are all integrated in the first zone 1, thereby maximally utilizing the space.

Compared with the prior art that the anoxic tank, the aerobic tank, the clean water tank and the equipment are sequentially connected, in the embodiment, the first section 1 is arranged by adopting a rectangular box body and an L-shaped box body, so that the aeration zone 121 and the MBR zone 122 in the anoxic tank 11 and the aerobic tank 12 are annularly arranged in the first section 1, and wastewater can continuously circulate in the first section 1 under the pumping action until the final treatment is finished and then is discharged. The process combination of the anoxic tank, the aerobic tank aeration and the aerobic tank MBR area is adopted, so that the upgrading and innovation of equipment are realized, and the sewage treatment efficiency is further improved.

In a similar way, the second interval 2 can also refer to the first interval and arrange in this application, clean water basin 21 and equipment room 22 also can overlap/make up in the space, wherein equipment room 22 can be furnished with automatic control equipment, membrane cleaning medicine pond, add the medicine pump, produce the water pump, the backwash pump, fan equipment, disinfecting equipment, the flowmeter, equipment such as electric valve, thereby open and stop the full automatic operating condition who realizes equipment through the relevant equipment of automatic control equipment automatic control, make whole equipment realize automated control, reduce cost of labor and operating cost.

As a preferable scheme of this embodiment, the bottom of the anoxic tank 11 is provided with a perforated aeration pipe 111 for stirring the anoxic tank 11, and the stirring of the anoxic tank 11 can be effectively performed by adjusting the gas amount, so as to reduce mechanical stirring and reduce energy consumption.

In this embodiment, the aerobic tank 12 is an L-shaped box, and the anoxic tank 11 is a rectangular box disposed above the L-shaped box and adjacent to two surfaces of the L-shaped box, so the arrangement of the aeration zone 121 and the MBR zone 122 is correspondingly different, specifically according to the circulation direction of the wastewater.

Specifically, the bottom of the anoxic tank 11 is communicated with the aerobic tank 12, the water enters the aeration zone 121 of the aerobic tank 12, the water is pushed to the MBR zone 122 after passing through the aeration zone 121, a part of the water enters the clean water tank 21 after being treated by the MBR membrane module, and the other part of the water flows back to the anoxic zone 11.

Accordingly, the aeration zone 121 includes an aeration pipe 1211 disposed at the bottom of the aerobic tank and a valve for air volume adjustment, which may be an electromagnetic valve, a check valve, an adjusting valve, or the like. MBR membrane module 1221 is MBR curtain formula membrane module, and this MBR curtain formula membrane module is equipped with the guide rail and is used for changing the membrane curtain, the bottom, the left side and the right side of MBR curtain formula membrane module are equipped with gas cleaning pipeline 3, air stripping backwash pump 4 and air stripping mud pump 5 respectively, and wherein air stripping backwash pump 4 adjusts the backward flow through adjusting tolerance, and air stripping mud pump 5 adjusts the mud displacement through adjusting tolerance.

The layout of the clean water tank 21 and the equipment room 22 in the second zone 2 of this embodiment is as follows:

the clean water tank 21 is a water production buffer area of the MBR membrane module 1221 and can provide back washing for the MBR area 122, the volume of the clean water tank 21 meets the back washing water quantity of the MBR membrane module 1221 divided by 2-5, and a liquid level controller 211 is arranged in the clean water tank 21 and used for controlling the start and stop of a water production pump and a back washing pump. The clean water tank 21 is communicated with the MBR membrane module 122 through a water outlet pipeline and a backwashing pipeline, in order to further save space, the water outlet pipeline and the backwashing pipeline are the same pipeline, and equipment instruments such as a flowmeter, a pressure transmitter, an adjusting valve and the like are arranged on the pipeline, so that the water production and backwashing functions can be controlled through the equipment instruments.

The equipment room 22 is provided with automatic control equipment, a membrane cleaning medicine pool, a medicine feeding pump, a water producing pump, a backwashing pump, fan equipment, disinfection equipment, a flow meter, an electric valve and other equipment, and the automatic control equipment automatically controls the start and stop of the relevant equipment so as to realize the full-automatic running state of the equipment, and the equipment belongs to conventional equipment of integrated MBR wastewater treatment equipment and is not described in detail herein.

The embodiment integrates all related equipment in the equipment room 22, which is convenient for maintenance, and the equipment room 22 and the clean water basin 21 are integrated in the second section 2, so that the equipment is more compact in structure and construction, and the occupied area is reduced.

As a preferred scheme of this embodiment, emptying grooves (not shown in the figure) are formed in the bottoms of the first interval 1 and the second interval 2, and are used for emptying water through pre-buried pipelines in the emptying grooves, and specifically, the emptying grooves can be formed between the bottom plates of the first interval 1 and the second interval 2 and equipment placed on the bottom plates, internal thread pre-buried pipes are arranged in the emptying grooves, external thread plugs are arranged, so that space can be effectively saved, transportation is facilitated, and all water in the tank can be emptied.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. The utility model provides an integration MBR waste water treatment equipment, includes oxygen deficiency pond (11), good oxygen pond (12), clean water basin (21) and equipment room (22), its characterized in that still includes first interval (1) and second interval (2), oxygen deficiency pond (11) and good oxygen pond (12) are located first interval (1), clean water pond (21) and equipment room (22) are located second interval (2), good oxygen pond (12) are the bottom of L type box setting in first interval (1), oxygen deficiency pond (11) are the rectangle box setting in good oxygen pond (12) top, are located good oxygen pond (12) of oxygen deficiency pond (11) below are equipped with aeration zone (121), are located be equipped with MBR district (122) in good oxygen pond (12) on the left side or the right side of oxygen deficiency pond (11), and MBR district (122) are located between oxygen deficiency pond (11) and second interval (2), an MBR membrane module (1221) is arranged in the MBR area (122); the anoxic tank (11) is a water inlet area and is communicated with an aeration area (121) of the aerobic tank (12), and an MBR area (122) of the aerobic tank (12) is respectively communicated with the anoxic tank (11) and the clean water tank (21).

2. The integrated MBR wastewater treatment plant according to claim 1, wherein the bottom of the anoxic tank (11) is provided with a perforated aeration pipe (111) for stirring the anoxic tank (11).

3. The integrated MBR wastewater treatment plant according to claim 1, wherein the aeration zone (121) comprises an aeration pipe (1211) arranged at the bottom of the aerobic tank (12) and a valve for air volume adjustment.

4. The integrated MBR wastewater treatment equipment as claimed in claim 1, wherein the MBR membrane module (1221) is an MBR curtain membrane module provided with guide rails for replacing a membrane curtain, and the bottom, the left side and the right side of the MBR curtain membrane module are respectively provided with a gas cleaning pipeline (3), a gas stripping reflux pump (4) and a gas stripping sludge pump (5).

5. The integrated MBR wastewater treatment equipment as claimed in claim 1, wherein the clean water tank (21) is a water production buffer area of an MBR membrane module (1221) and is capable of providing back flushing for the MBR area (122), and the volume of the clean water tank (21) is sufficient for 2-5 minutes of back flushing water of the MBR membrane module (1221).

6. The integrated MBR wastewater treatment equipment as set forth in claim 1, wherein the clean water tank (21) is communicated with the MBR membrane module (1221) through a water outlet pipeline and a back flush pipeline, and the water outlet pipeline and the back flush pipeline are the same pipeline.

7. The integrated MBR wastewater treatment equipment according to claim 1, wherein emptying grooves are formed at the bottoms of the first section (1) and the second section (2), and pipelines are pre-buried in the emptying grooves for discharging water.