CN215886721U

CN215886721U - MBR combination formula sewage treatment plant

Info

Publication number: CN215886721U
Application number: CN202122216662.0U
Authority: CN
Inventors: 龚云霄; 刘锐; 李平
Original assignee: Hubei Haohua Environmental Protection Technology Co ltd
Current assignee: Hubei Haohua Environmental Protection Technology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-22
Anticipated expiration: 2031-09-14

Abstract

The utility model provides a MBR combination formula sewage treatment plant, belongs to sewage treatment technical field, and it includes: the device comprises a tank body, a water inlet mechanism, a blast mechanism, a membrane bioreactor and a water outlet mechanism; the left end and the right end in the tank body for treating sewage are respectively provided with two partition plates, and the tank body is divided into a pre-reaction area, a facultative area and a membrane filtration area from left to right; the water outlet end of the water inlet mechanism penetrates through the tank body and extends into the pre-reaction zone; the air blowing mechanism comprises an air blower and an air outlet pipe connected to the air blower, and the air outlet end of the air outlet pipe penetrates through the tank body and extends into the facultative oxygen area; the membrane bioreactor is arranged in the membrane filtering area and is used for treating the sewage in the area; the water outlet mechanism comprises a water production pump and a water outlet pipe connected to the water outlet end of the water production pump, and the water production pump is connected with the membrane processor and used for pumping water treated by the membrane processor and conveying the water out of the tank body through the water outlet pipe. The treatment device is simple in structure, convenient to operate, capable of rapidly and stably treating domestic sewage, high in efficiency, strong in capacity, capable of ensuring standard drainage, energy-saving and environment-friendly.

Description

MBR combination formula sewage treatment plant

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to an MBR (membrane bioreactor) combined type sewage treatment device.

Background

With the increasingly strict requirements of the country on the environmental quality, the upgrading and the transformation of sewage treatment are trending, and the existing discharge standard cannot meet the current situation in China. However, the prior decentralized domestic sewage treatment technology in China is mainly the traditional process such as a biological contact oxidation method, a biological filter, a biological rotating disc, an artificial wetland, a stable pond and the like or the combination of the processes, the treatment effect is limited, and the quality of the effluent is difficult to ensure.

Therefore, there is a need to design an MBR combined sewage treatment apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to avoid the problem, an MBR combined type sewage treatment device is provided, and the MBR combined type sewage treatment device is simple in structure, convenient to operate, high in efficiency and strong in capacity, can treat domestic sewage quickly and stably, ensures standard drainage, and is energy-saving and environment-friendly.

The utility model provides an MBR combined type sewage treatment device, which comprises: the device comprises a tank body, a water inlet mechanism, a blast mechanism, a membrane bioreactor and a water outlet mechanism;

the left end and the right end in the tank body for treating sewage are respectively provided with two partition plates, the lower ends of the partition plates are fixed at the bottom of the tank body, the upper ends of the partition plates extend towards the top of the tank body, and the tank body is divided into a pre-reaction zone, a facultative zone and a membrane filtration zone from left to right;

the water outlet end of the water inlet mechanism penetrates through the tank body and extends into the pre-reaction zone, and the water inlet mechanism is used for conveying sewage into the pre-reaction zone;

the air blowing mechanism comprises an air blower and an air outlet pipe connected to the air blower, and the air outlet end of the air outlet pipe penetrates through the tank body and extends into the facultative oxygen area to convey air into the facultative oxygen area;

the membrane bioreactor is arranged in the membrane filtering area and is used for treating the sewage in the area;

the water outlet mechanism comprises a water production pump and a water outlet pipe connected to the water outlet end of the water production pump, and the water production pump is connected with the membrane processor and used for pumping water treated by the membrane processor and conveying the water out of the tank body through the water outlet pipe.

Preferably, the water inlet mechanism comprises a pretreatment tank, a grid, a sewage lifting pump and a water inlet pipe, wherein the grid is arranged in the pretreatment tank and used for filtering the entering sewage, the sewage lifting pump is arranged in the pretreatment tank, and the water outlet end of the sewage lifting pump is connected with the water inlet pipe and used for lifting the sewage filtered by the grid and conveying the sewage to the pre-reaction zone through the water inlet pipe.

Preferably, the bottom of the grid is rotatably arranged in the pretreatment tank, the upper end of the grid is connected with an adjusting line, and the adjusting line is wound and unwound through a winding mechanism.

Preferably, the air blowing mechanism further comprises a feeding box, the air outlet pipe is connected with the feeding box, and materials are added into the air outlet pipe.

Preferably, the membrane filtration zone is provided with a sludge reflux pump, the sludge reflux pump is connected with a reflux pipe, and the sludge in the membrane filtration zone is conveyed to the pre-reaction zone and the facultative anaerobic zone through the reflux pipe.

Preferably, the air outlet pipe is connected with an air outlet branch pipe, and the air outlet end of the air outlet branch pipe is arranged below the membrane bioreactor.

Preferably, the water outlet end of the water outlet pipe extends into the water collecting tank, and the lower end of the water collecting tank is provided with a water outlet.

Compared with the prior art, the utility model has the following beneficial effects: simple structure, the simple operation, the ability fast and stable handles domestic sewage, and is efficient, and the ability reinforce ensures can drainage up to standard, and is energy-concerving and environment-protective.

Drawings

FIG. 1 is a schematic structural diagram of an MBR combined sewage treatment unit according to a preferred embodiment of the present invention;

the reference numbers illustrate:

1. a tank body 11, a partition plate 12, a pre-reaction zone 13, a facultative zone 14 and a membrane filtration zone,

2. a water inlet mechanism 21, a treatment tank 22, a grid 23, a sewage lifting pump 24, a water inlet pipe 25 and an adjusting line,

3. an air blowing mechanism 31, an air blower 32, an air outlet pipe 33, a charging box 34 and an air outlet branch pipe,

4. a membrane bioreactor for a biological fluid, a membrane bioreactor,

5. a water outlet mechanism 51, a water producing pump 52, a water outlet pipe,

6. a sludge return pump 61, a return pipe,

7. a water collecting tank 71 and a water outlet.

Detailed Description

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the present embodiment provides an MBR combined sewage treatment device, including: the device comprises a tank body 1, a water inlet mechanism 2, a blower 31 mechanism 3, a membrane bioreactor 4 and a water outlet mechanism 5.

The tank body 1 is used for treating sewage, two partition plates 11 are respectively arranged at the left end and the right end in the tank body 1, the lower ends of the partition plates 11 are fixed at the bottom of the tank body 1, the upper ends of the partition plates extend towards the top of the tank body 1, and the tank body 1 is divided into a pre-reaction zone 12, a facultative zone 13 and a membrane filtration zone 14 from left to right. The sewage level in each area exceeds the partition plate 11, and the sewage can flow between the two adjacent areas.

As shown in FIG. 1, the water outlet end of the water inlet mechanism 2 passes through the tank 1 and extends into the pre-reaction zone 12, and is used for feeding sewage into the pre-reaction zone 12. Wherein, the water inlet mechanism 2 comprises a pretreatment tank 21, a grid 22, a sewage lifting pump 23 and a water inlet pipe 24, the grid 22 is arranged in the pretreatment tank 21 and used for filtering the entering sewage, the sewage lifting pump 23 is arranged in the pretreatment tank 21, and the water outlet end of the sewage lifting pump is connected with the water inlet pipe 24 and used for lifting the sewage filtered by the grid 22 and conveying the sewage to the pre-reaction zone 12 through the water inlet pipe 24. The bottom of the grid 22 is rotatably arranged in the pretreatment tank 21, the upper end of the grid 22 is connected with an adjusting line 25, and the adjusting line 25 is wound and unwound through a winding mechanism.

The domestic sewage collected by the pipeline enters a pretreatment tank 21, is filtered by a grid 22 to remove larger solid particulate matters in the sewage, and is lifted by a sewage lifting pump 23 to enter the pre-reaction zone 12 through a water inlet pipe 24. Wherein grid 22 is adjustable during angle in sewage treatment pond 21, receive and releases adjusting wire 25 through winding mechanism, and then adjusts grid 22 angle, is convenient for carry out prefiltration to sewage, simultaneously, when grid 22 rotates, has certain stirring effect to the sewage in preliminary treatment pond 21, improves filtration efficiency and can effectively prevent its interior sewage excessive deposit, influences sewage lift pump 23 and extracts the promotion.

As shown in FIG. 1, the wastewater entering the pre-reaction zone 12 is deposited therein, and when the liquid level exceeds the height of the partition plate 11, the relatively clear liquid in the upper layer overflows the partition plate 11 into the facultative zone 13. Meanwhile, the air blower 31 mechanism 3 comprises an air blower 31 and an air outlet pipe 32 connected to the air blower 31, and the air outlet end of the air outlet pipe 32 penetrates through the tank body 1 and extends into the facultative oxygen region 13 to convey air into the facultative oxygen region 13; oxygen required by the reaction is provided in the sewage treatment system, and various pollutants in the sewage are removed through the degradation of microorganisms. The air blower 31 mechanism 3 further comprises a feeding box 33, the air outlet pipe 32 is connected with the feeding box 33, materials are added into the air outlet pipe 32, the reaction degradation speed in the air outlet pipe is increased, and the sewage treatment efficiency is improved.

Meanwhile, the membrane bioreactor 4 is arranged in the membrane filtering area 14 and is used for treating the sewage in the area, and solid-liquid separation can be completely realized through the filtering action of the membrane, so that the effluent turbidity is ensured to be extremely low, and various pollutants in the sewage are further removed through the filtering action of the membrane. The treated water can be directly discharged after reaching the standard, and the residual small amount of organic pollution can be reused for farmland fertilization after being dried.

The membrane filtration zone 14 is provided with the sludge return pump 6, the sludge return pump 6 is connected with the return pipe 61, the sludge in the membrane filtration zone 14 is conveyed to the pre-reaction zone 12 and the facultative anaerobic zone 13 through the return pipe 61, the sludge deposited in the sludge is pumped back to the pre-reaction zone 12 or the facultative anaerobic zone 13 through the sludge return pump 6 for treatment again, and the treatment efficiency is improved.

Meanwhile, the air outlet pipe 32 is connected with an air outlet branch pipe 34, and the air outlet end of the air outlet branch pipe 34 is arranged below the membrane bioreactor 4, so that the treatment efficiency and the treatment speed of the membrane filtration zone 14 are improved.

As shown in fig. 1, the water outlet mechanism 5 comprises a water producing pump 51 and a water outlet pipe 52 connected to the water outlet end of the water producing pump 51, wherein the water producing pump 51 is connected to the membrane processor and is used for pumping the water treated by the membrane processor and delivering the water out of the tank 1 through the water outlet pipe 52. The water outlet end of the water outlet pipe 52 extends into the water collecting tank 7, and the lower end of the water collecting tank 7 is provided with a water outlet 71. Water after membrane separation handles is discharged through the extraction of play water mechanism 5, and wherein, header tank 7 can be collected the water that discharges, is convenient for detect whether up to standard, ensures that the water that discharges reaches emission standard.

The treatment device is simple in structure, convenient to operate, capable of rapidly and stably treating domestic sewage, high in efficiency, strong in capacity, capable of ensuring standard drainage, energy-saving and environment-friendly.

Novel solutions, not limitations thereof; while the utility model has been described in detail and with reference to the foregoing embodiments, it will 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a MBR combination formula sewage treatment plant which characterized in that includes: the device comprises a tank body, a water inlet mechanism, a blast mechanism, a membrane bioreactor and a water outlet mechanism;

2. The MBR combined sewage treatment plant of claim 1, wherein: the mechanism of intaking includes preliminary treatment pond, grid, sewage elevator pump and inlet tube, and the grid setting is in preliminary treatment pond for filter the sewage that gets into, and the sewage elevator pump setting is in preliminary treatment pond, and its play water end and inlet tube connection are used for promoting and carry to the pre-reaction zone through the inlet tube through the filterable sewage of grid.

3. The MBR combined sewage treatment plant of claim 2, wherein: the bottom of the grid is rotatably arranged in the pretreatment tank, the upper end of the grid is connected with a regulating wire, and the regulating wire is wound and unwound through a winding mechanism.

4. The MBR combined sewage treatment plant of claim 1, wherein: the air blowing mechanism further comprises a feeding box, the air outlet pipe is connected with the feeding box, and materials are added into the air outlet pipe.

5. The MBR combined sewage treatment plant of claim 1, wherein: the membrane filtration zone is provided with a sludge reflux pump which is connected with a reflux pipe, and the sludge in the membrane filtration zone is conveyed to the pre-reaction zone and the facultative anaerobic zone through the reflux pipe.

6. The MBR combined sewage treatment plant of claim 1, wherein: the air outlet pipe is connected with an air outlet branch pipe, and the air outlet end of the air outlet branch pipe is arranged below the membrane bioreactor.

7. The MBR combined sewage treatment plant of claim 1, wherein: the water outlet end of the water outlet pipe extends into the water collecting tank, and the lower end of the water collecting tank is provided with a water outlet.