CN213446711U

CN213446711U - Distributed integrated MBBR sewage treatment device

Info

Publication number: CN213446711U
Application number: CN202022004645.6U
Authority: CN
Inventors: 许斌; 吴庆
Original assignee: Jiangsu Jinboya Environmental Protection Equipment Co ltd
Current assignee: Jiangsu Jinboya Environmental Protection Equipment Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-06-15
Anticipated expiration: 2030-09-14

Abstract

A distributed integrated MBBR sewage treatment device belongs to the technical field of sewage treatment and comprises three box bodies which are arranged in sequence, wherein every two adjacent box bodies are connected through a communicating pipe, the inner cavity of the first box body is divided into an A box chamber and a B box chamber by a partition plate, the inner cavity of the second box body is set as a C box chamber, and the inner cavity of the third box body is divided into a D box chamber, an E box chamber and an F box chamber in sequence by partition plates; the box A chamber is set as an anoxic tank, and a grid water passing hole is formed in the upper part of a partition plate between the box A chamber and the box B chamber; the B box chamber and the C box chamber are set as MBBR aerobic tanks, aerators are arranged at the bottoms of the B box chamber and the C box chamber, and MBBR suspended fillers are fully distributed in the B box chamber and the C box chamber; the D box chamber is set as an inclined tube sedimentation tank, the E box chamber is set as a flocculation sedimentation tank, the E box chamber is set as an equipment room, and a fan for supplying air to an aerator is arranged in the E box chamber. The utility model discloses under the condition of satisfying sewage treatment water quality of water requirement, optimize technology structure, reduction in production cost shortens construction cycle.

Description

Distributed integrated MBBR sewage treatment device

Technical Field

The utility model belongs to the technical field of sewage treatment, especially, relate to a distributed integration MBBR sewage treatment plant.

Background

In the process of industrial development and urbanization, human activities produce a large amount of industrial sewage and domestic sewage, and due to pollution and shortage of water resources, the sewage needs to be treated and reused so as to reduce waste of water resources and protect ecological environment.

At present, integrated sewage treatment equipment is produced according to sewage treatment. When the treated water volume is great, it means that the integrated sewage treatment equipment box is also great, can't realize the production in the factory usually, can't satisfy the transportation requirement. The on-site manufacture of the integrated equipment increases various costs of people, materials, machines and the like, and the manufacture period is long; in addition, the sewage treatment effect and efficiency of the existing equipment are also to be improved.

Disclosure of Invention

An object of the utility model is to overcome the not enough of above-mentioned technique, provide a distributed integration MBBR sewage treatment plant, aim at satisfying under the condition that sewage treatment goes out water quality of water requirement, optimize process structure, reduction in production cost shortens construction cycle.

In order to realize the purpose of the utility model, the utility model adopts the technical scheme that:

a distributed integrated MBBR sewage treatment device comprises three box bodies which are arranged in sequence, and every two adjacent box bodies are connected through a communicating pipe, and the distributed integrated MBBR sewage treatment device is characterized in that the inner cavity of a first box body is divided into an A box chamber and a B box chamber through a partition plate, the inner cavity of a second box body is set as a C box chamber, and the inner cavity of a third box body is divided into a D box chamber, an E box chamber and an F box chamber in sequence through partition plates; the box A chamber is set as an anoxic tank and is provided with a water inlet pipe, and the upper part of a partition plate between the box A chamber and the box B chamber is provided with a grid water through hole; the B box chamber and the C box chamber are set as MBBR aerobic tanks, aerators are arranged at the bottoms of the B box chamber and the C box chamber, and MBBR suspended fillers are fully distributed in the B box chamber and the C box chamber; the D box chamber is set as an inclined tube sedimentation tank, an inclined tube layer is arranged at the middle upper part in the D box chamber, a first sludge discharge tube for discharging deposited sludge is arranged at the bottom of the D box chamber, a first connecting tube is arranged in the D box chamber, one end of the first connecting tube is connected with a communicating tube between the second box body and the third box body, the other end of the first connecting tube extends into the lower part of the inclined tube layer, a first water outlet weir is arranged at the top part in the D box chamber, and the first water outlet weir is communicated with the E box chamber through a second connecting tube; the E tank chamber is set as a flocculation sedimentation tank, a mixer is arranged on the second connecting pipe and is connected with a flocculant dosing pipe, a second water outlet weir is arranged at the top of the E tank chamber and discharges water outwards through a water purification pipe, and a second sludge discharge pipe which discharges flocculation sediments is arranged at the bottom of the E tank chamber; the F box chamber is arranged as an equipment room, and a fan for supplying air to the aerator is arranged in the F box chamber.

The utility model discloses a further improvement lies in, the indoor liquid backwash pump that nitrifies that is equipped with of C case, nitrify the liquid backwash pump and pass through the back flow and be connected with A case room, nitrify liquid and pass through back flow to A case room oxygen deficiency pond, form the internal reflux, nitrify liquid and take place denitrification in the oxygen deficiency pond, reach the purpose of denitrogenation.

The utility model discloses a further improvement lies in, the indoor aerator that also is equipped with of A case makes dissolved oxygen concentration < 0.5mg/L in the pond to make the interior sewage treatment disturbance state of pond, prevent sludge sedimentation.

The utility model discloses a further improvement lies in, the aerator is rubber membrane micropore aerator.

The utility model discloses a further improvement lies in, pipe chute layer below No. one connecting tube tip is for facing towards D case indoor wall and ascending 45 play water structure, reduces the velocity of flow to cause the disturbance to bottom deposit mud in the velocity of flow of water too fast.

The utility model discloses a further improvement lies in, a mud pipe and No. two mud pipes sharing a dredge pump row mud.

The utility model discloses a further improvement lies in, the length of box is 6 a 3m high.

The utility model has the advantages that:

(1) the distributed box body structure is assembled into a complete process structure on site, so that factory modularized manufacturing is realized, transportation is convenient, cost is reduced, and construction period is shortened. According to the water quality requirement of effluent, the combination of various process structures can be flexible and changeable.

(2) By using the MBBR technology, the sludge age is prolonged, the amount of return sludge and the amount of excess sludge are reduced, and a sludge return pump is not required. The sludge load in the biochemical tank is enhanced, the volume of the biochemical tank is reduced, and the volume of the sludge storage tank is reduced. The breeding of dominant bacteria is ensured, the sludge bulking is inhibited, and the effluent quality is more stable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the device comprises a box body 1, a communicating pipe 2, a box chamber A3, a box chamber B4, a box chamber C5, a box chamber D6, a box chamber E7, a box chamber F8, a water inlet pipe 9, a partition plate 10, a grid water through hole 11, an aerator 12, an MBBR suspended filler 13, an inclined pipe layer 14, a first sludge discharge pipe 15, a first connecting pipe 16, a first water outlet weir 17, a second connecting pipe 18, a mixer 19, a flocculant dosing pipe 20, a second water outlet weir 21, a water purification pipe 22, a second sludge discharge pipe 23, a fan 24, a nitrification liquid reflux pump 25 and a reflux pipe 26.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, a distributed integrated MBBR sewage treatment device comprises three tank bodies 1 which are arranged in sequence, wherein every two adjacent tank bodies 1 are connected through a communicating pipe 2, the inner cavity of the tank body 1 is divided into an a tank chamber 3 and a B tank chamber 4 by a partition plate 10 in the first tank body 1, the inner cavity of the second tank body 1 is set as a C tank chamber 5, and the inner cavity of the tank body 1 is divided into a D tank chamber 6, an E tank chamber 7 and an F tank chamber 8 in sequence by a partition plate 10 in the third tank body 1; the box chamber A3 is set as an anoxic tank and is provided with a water inlet pipe 9, the upper part of a partition plate 10 between the box chamber A3 and the box chamber B4 is provided with a grid water through hole 11, and the grid water through hole 11 has the functions of water passing on one hand and preventing the MBBR suspended filler 13 from entering an anoxic zone on the other hand; the B box chamber 4 and the C box chamber 5 are set as MBBR aerobic tanks, the bottom parts of the B box chamber 4 and the C box chamber 5 are provided with aerators 12, MBBR suspended fillers 13 are fully distributed in the B box chamber 4 and the C box chamber 5, the aerators 12 oxygenate the tanks, so that microorganisms in the tanks keep normal physiological activities, the MBBR suspended fillers 13 are arranged in an aeration environment to form moving bed biofilms, the requirements of carbonization, nitrification and denitrification reactions are met, different effluent water quality standards including strict requirements of nitrogen and phosphorus removal can be met, the concentration of dissolved oxygen in the tanks is more than 2-3 mg/L by the aerators 12, and the normal growth, falling and updating of the biofilms are ensured; the D box chamber 6 is set as an inclined tube sedimentation tank, an inclined tube layer 14 is arranged at the middle upper part in the D box chamber 6, a first sludge discharge tube 15 for discharging deposited sludge is arranged at the bottom, a first connecting tube 16 is arranged in the D box chamber 6, one end of the first connecting tube 16 is connected with the communicating tube 2 between the second box body 1 and the third box body 1, the other end of the first connecting tube extends into the lower part of the inclined tube layer 14, a first effluent weir 17 is arranged at the top in the D box chamber 6, and the first effluent weir 17 is communicated with the E box chamber 7 through a second connecting tube 18; the E box chamber 7 is set as a flocculation sedimentation tank, a mixer 19 is arranged on the second connecting pipe 18, the mixer 19 is connected with a flocculating agent dosing pipe 20, the chemicals are fully mixed with the inclined pipe sedimentation water through the mixer 19, larger flocs are formed in the flocculation sedimentation tank and are precipitated, suspended matters in water are further reduced, a second water outlet weir 21 is arranged at the top in the E box chamber 7, the second water outlet weir 21 discharges water outwards through a water purifying pipe 22, and a second sludge discharge pipe 23 for discharging flocculated sediments is arranged at the bottom in the E box chamber 7; the F box chamber 8 is set as an equipment room, a fan 24 for supplying air to the aerator 12 is arranged in the F box chamber 8, and an electric control cabinet, instrument equipment and the like (not shown in the figure) are also arranged in the F box chamber 8, so that the integrated automatic operation management of the equipment is realized.

A nitrifying liquid reflux pump 25 is arranged in the tank chamber C5, the nitrifying liquid reflux pump 25 is connected with the tank chamber A3 through a reflux pipe 26, nitrifying liquid flows to the anoxic tank of the tank chamber A3 through the reflux pipe 26 to form internal reflux, and the nitrifying liquid is subjected to denitrification reaction in the anoxic tank to achieve the aim of removing nitrogen.

An aerator 12 is also arranged in the A box chamber 3, so that the concentration of dissolved oxygen in the tank is less than 0.5mg/L, the sewage treatment in the tank is in a disturbed state, and the sludge precipitation is prevented.

The aerator 12 is a rubber membrane microporous aerator 12.

The end part of the first connecting pipe 16 below the inclined pipe layer 14 is of a water outlet structure facing the inner wall of the D box chamber 6 and facing upwards by 45 degrees, so that the flow speed is reduced, and disturbance to bottom deposited sludge caused by too high water flow speed is prevented.

The first sludge discharge pipe 15 and the second sludge discharge pipe 23 share one sludge discharge pump for discharging sludge.

The length, width and height of the box body 1 are 6, 3 and 3 m.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. A distributed integrated MBBR sewage treatment device comprises three box bodies which are arranged in sequence, and every two adjacent box bodies are connected through a communicating pipe, and the distributed integrated MBBR sewage treatment device is characterized in that the inner cavity of a first box body is divided into an A box chamber and a B box chamber through a partition plate, the inner cavity of a second box body is set as a C box chamber, and the inner cavity of a third box body is divided into a D box chamber, an E box chamber and an F box chamber in sequence through partition plates; the box A chamber is set as an anoxic tank and is provided with a water inlet pipe, and the upper part of a partition plate between the box A chamber and the box B chamber is provided with a grid water through hole; the B box chamber and the C box chamber are set as MBBR aerobic tanks, aerators are arranged at the bottoms of the B box chamber and the C box chamber, and MBBR suspended fillers are fully distributed in the B box chamber and the C box chamber; the D box chamber is set as an inclined tube sedimentation tank, an inclined tube layer is arranged at the middle upper part in the D box chamber, a first sludge discharge tube for discharging deposited sludge is arranged at the bottom of the D box chamber, a first connecting tube is arranged in the D box chamber, one end of the first connecting tube is connected with a communicating tube between the second box body and the third box body, the other end of the first connecting tube extends into the lower part of the inclined tube layer, a first water outlet weir is arranged at the top part in the D box chamber, and the first water outlet weir is communicated with the E box chamber through a second connecting tube; the E tank chamber is set as a flocculation sedimentation tank, a mixer is arranged on the second connecting pipe and is connected with a flocculant dosing pipe, a second water outlet weir is arranged at the top of the E tank chamber and discharges water outwards through a water purification pipe, and a second sludge discharge pipe which discharges flocculation sediments is arranged at the bottom of the E tank chamber; the F box chamber is arranged as an equipment room, and a fan for supplying air to the aerator is arranged in the F box chamber.

2. The distributed integrated MBBR sewage treatment plant of claim 1, wherein a nitrifying liquid reflux pump is arranged in the C tank chamber, and the nitrifying liquid reflux pump is connected with the A tank chamber through a reflux pipe.

3. The decentralized integrated MBBR sewage treatment plant according to claim 1, wherein an aerator is also arranged in said A tank chamber.

4. The decentralized integrated MBBR sewage treatment plant according to claim 1 or 3, wherein said aerator is a rubber membrane micro-porous aerator.

5. The decentralized and integrated MBBR sewage treatment plant according to claim 1, wherein the end of the first connecting pipe below the inclined pipe layer is a water outlet structure facing the inner wall of the D-box chamber and facing upwards by 45 degrees.

6. The decentralized integrated MBBR sewage treatment plant according to claim 1, wherein said first sludge discharge pipe and said second sludge discharge pipe share one sludge discharge pump for discharging sludge.

7. The decentralized integrated MBBR sewage treatment plant of claim 1, wherein the tank has a length, width and height of 6 x 3 m.