CN216155688U

CN216155688U - Water treatment system combining biological rotating disc and MBR (membrane bioreactor)

Info

Publication number: CN216155688U
Application number: CN202121249949.7U
Authority: CN
Inventors: 田润丰; 夏溪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2022-04-01
Anticipated expiration: 2031-06-05

Abstract

The utility model discloses a water treatment system combining a biological rotating disc and an MBR (membrane bioreactor), which relates to the field of sewage treatment and comprises a concrete sedimentation tank, an anoxic tank, a first treatment device, a second treatment device and a sewage disinfection device, wherein the water outlet end of the concrete sedimentation tank is connected with the water inlet end of the anoxic tank through a pipeline; after the treatment system in the scheme is used, the COD of the effluent is less than 30mg/L, BOD is less than 5mg/L, ammonia nitrogen is less than 1.5mg/L, TP is less than 0.5mg/L, SS is almost 0, the removal rate of the final BOD COD can at least reach more than 95%, and the use effect is good.

Description

Water treatment system combining biological rotating disc and MBR (membrane bioreactor)

Technical Field

The utility model relates to the field of sewage treatment, in particular to a water treatment system combining a biological rotating disc and an MBR (membrane bioreactor).

Background

Along with the continuous development of society, people pay more and more attention to the environmental protection, especially to water pollution, in recent years, various water purification methods are endless, traditional physical purification is changed to modern more environment-friendly and efficient biological purification, but the water purification effect is single; at present, the most used biological rotating disc process is a biological sewage treatment technology by a biological membrane method, which is artificial reinforcement of sewage irrigation and land treatment, and the method mainly uses organisms such as bacteria, fungus microorganisms, protozoa and the like to grow and breed on a biological rotating disc filler carrier to form membranous biological sludge, namely a biological membrane; the biological rotating disk process adopts the paper laminated corrugated plate as the rotating disk body, has the advantages of flexible design, convenient installation, simple operation, reliable system, low operation and running cost and the like, and a water layer formed on the surface of the rotating disk can absorb dissolved oxygen from air without aeration and sludge backflow.

However, the treatment effect of the sewage treatment system is not ideal, and the precipitation effect is not good enough during sewage precipitation treatment, which finally affects the sewage treatment efficiency, therefore, the utility model provides the water treatment system combining the biological rotating disc and the Membrane Bioreactor (MBR), wherein the MBR is a novel water treatment technology combining the membrane separation unit and the biological treatment unit, and the ultrafiltration membrane is used for replacing a secondary sedimentation tank, so that the sewage treatment device for sludge solid-liquid separation is realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a water treatment system combining a biological rotating disc and an MBR (membrane bioreactor). the effect of sewage treatment and purification is greatly improved by matching a first treatment device and a second treatment device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a water treatment system that biological rotating disk, MBR combined together, includes concrete sedimentation tank, oxygen deficiency pond, first processing apparatus, second processing apparatus and sewage degassing unit, the play water end of concrete sedimentation tank is connected through the end of intaking in pipeline and oxygen deficiency pond, the play water end in oxygen deficiency pond is connected through the end of intaking of pipeline and first processing apparatus, the play water end of first processing apparatus is connected through the end of intaking of pipeline and second processing apparatus, the play water end of second processing apparatus is connected through the end of intaking of pipeline and sewage degassing unit.

Preferably, the first treatment device is a biological rotating disc, and the second treatment device is an MBR membrane reaction tank.

Preferably, the concrete sedimentation tank comprises a concrete tank body, a water inlet pipe and a water outlet pipe are respectively arranged on two sides of the concrete tank body, and a sewage treatment mechanism capable of moving transversely is mounted on the concrete tank body.

Preferably, the sewage treatment mechanism comprises mounting plates respectively fixed at two ends of the concrete pool body, a transverse rectangular guide rod and a rack are fixed between the two mounting plates, and the rack is positioned below the rectangular guide rod;

be located and be fixed with driving motor on the left mounting panel, and driving motor's output is fixed with and rotates the horizontal threaded rod of installing between two mounting panels, the internal thread removes the seat in threaded sleeve joint on the threaded rod, and the internal thread removes the seat slip suit on the rectangle guide bar, install rotatable rabbling mechanism on the internal thread removes the seat.

Preferably, rabbling mechanism is including being fixed in the bearing frame of internal thread removal seat front side, and vertical rotating tube is installed through the bearing rotation in the bearing frame, the fixed and intercommunication in upper end of rotating tube has a storage section of thick bamboo, and the lower extreme of rotating tube is fixed with the puddler, and the lower extreme equipartition of rotating tube has the discharge opening, fixed cover is equipped with the gear on the rotating tube, and gear and rack toothing, is provided with the valve that is located the gear below on the rotating tube.

Preferably, a controller is fixed on the mounting plate on the left side, and the output end of the controller is electrically connected with the driving motor.

Preferably, the storage cylinder is made of transparent materials, and a detachable cover is sleeved at the upper end of the storage cylinder.

Compared with the prior art, this scheme uses through the cooperation of the first processing apparatus and the second processing apparatus that set up, make sewage treatment purifying effect good, and it is using with concrete sedimentation tank, oxygen deficiency pond and sewage degassing unit cooperation, make processing system's play water COD be less than 30mg/L, BOD is less than 5mg/L, ammonia nitrogen is less than 1.5mg/L, TP is less than 0.5mg/L, SS is 0 almost, final BOD COD's clearance all can reach more than 95% at least, excellent in use effect.

Drawings

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

Fig. 2 is a schematic view of a concrete settling tank of the present invention.

Fig. 3 is a schematic view of the gear arrangement of the present invention.

Reference numbers in the figures: 1 concrete sedimentation tank, 2 oxygen deficiency ponds, 3 first processing apparatus, 4 second processing apparatus, 5 sewage degassing unit, 6 concrete cell bodies, 7 mounting panels, 8 driving motor, 9 threaded rods, 10 racks, 11 internal thread shifting seats, 12 bearing blocks, 13 rotating pipes, 14 discharge holes, 15 storage barrels, 16 gears, 17 rectangular guide rods, 18 controllers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to FIGS. 1-3;

example one

The utility model provides a water treatment system that biological rotating disk, MBR combined together, includes concrete sedimentation tank 1, oxygen deficiency pond 2, first processing apparatus 3, second processing apparatus 4 and sewage degassing unit 5, the play water end of concrete sedimentation tank 1 is connected through the end of intaking of pipeline with oxygen deficiency pond 2, the play water end of oxygen deficiency pond 2 is connected through the end of intaking of pipeline with first processing apparatus 3, the play water end of first processing apparatus 3 is connected through the end of intaking of pipeline with second processing apparatus 4, the play water end of second processing apparatus 4 is connected through the end of intaking of pipeline with sewage degassing unit 5, first processing apparatus 3 is biological rotating disk, just second processing apparatus 4 is MBR membrane reaction tank.

Example two

A water treatment system combining a biological rotating disc and an MBR (membrane bioreactor), on the basis of an embodiment I, a concrete sedimentation tank 1 comprises a concrete tank body 6, a water inlet pipe and a water outlet pipe are respectively arranged on two sides of the concrete tank body 6, a sewage treatment mechanism capable of moving transversely is mounted on the concrete tank body 6, the sewage treatment mechanism comprises mounting plates 7 respectively fixed at two ends of the concrete tank body 6, a transverse rectangular guide rod 17 and a rack 10 are fixed between the two mounting plates 7, and the rack 10 is positioned below the rectangular guide rod 17; be located and be fixed with driving motor 8 on the left mounting panel 7, and driving motor 8's output is fixed with and rotates the horizontal threaded rod 9 of installing between two mounting panels 7, threaded rod 9 is gone up the screw and has been cup jointed internal thread removal seat 11, and internal thread removal seat 11 slip suit is on rectangle guide bar 17, promptly on the internal thread removal seat set up with guide bar 17 assorted guiding hole, make the guide bar 17 cover establish in the guiding hole to realize that whole internal thread seat 11 can slide along guide bar 17, simultaneously install rotatable rabbling mechanism on the internal thread removal seat 11.

In this embodiment, rabbling mechanism is including being fixed in the bearing frame 12 of the 11 front sides of internal thread removal seat, rotates through the bearing in the bearing frame 12 and installs vertical rotating tube 13, the upper end of rotating tube 13 is fixed and is linked together there is storage cylinder 15, and the lower extreme of rotating tube 13 is fixed with the puddler, and the lower extreme equipartition of rotating tube 13 has discharge opening 14, fixed cover is equipped with gear 16 on the rotating tube 13, and gear 16 and rack 10 meshing, is provided with the valve that is located the gear 16 below on the rotating tube 13.

The controller 18 is fixed on the mounting plate 7 on the left side, the model of the controller 18 is ATMEGA16, the output end of the controller 18 is electrically connected with the driving motor 8, the storage barrel 15 is made of transparent materials, and the upper end of the storage barrel 15 is sleeved with a detachable cover.

The working principle is as follows: when the device is used, a liquid sewage flocculating agent is added into the storage cylinder 15, then the valve is opened, at the moment, the flocculating agent enters the sewage in the concrete tank body 6 through the rotating pipe 13 and the discharge hole 14, so that the sewage can be treated and is convenient to precipitate, meanwhile, the threaded rod 9 can be driven to rotate by controlling the work of the driving motor 8 through the operation controller 18, the arranged internal thread moving seat 11 transversely moves to drive the rotating pipe 13 and the stirring rod to transversely move under the action of the threads, at the moment, the flocculating agent can be added into different positions in the concrete tank body 6, and the using effect is good. In addition, when the rotating pipe 13 lateral shifting, because gear 16 and rack 10 meshing for gear 16 can rotate and drive rotating pipe 13 rotation, and then makes the puddler of rotating pipe 13 lower extreme rotate, and then can stir the interior sewage of concrete cell body 6, excellent in use effect makes follow-up sedimentation effectual, helps the processing of sewage.

In addition, this scheme uses through the cooperation of the first processing apparatus 3 that sets up and second processing apparatus 4 for sewage treatment purifying effect is good, and it uses with concrete sedimentation tank 1, oxygen deficiency pond 2 and the cooperation of sewage degassing unit 5, makes processing system's play water COD be less than 30mg/L, BOD is less than 5mg/L, ammonia nitrogen is less than 1.5mg/L, TP is less than 0.5mg/L, SS is 0 almost, final BOD COD's clearance all can reach more than 95% at least.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a water treatment system that biological rotating disk, MBR combined together, its characterized in that, includes concrete sedimentation tank (1), oxygen deficiency pond (2), first processing apparatus (3), second processing apparatus (4) and sewage degassing unit (5), the play water end of concrete sedimentation tank (1) is connected through the end of intaking of pipeline with oxygen deficiency pond (2), the play water end of oxygen deficiency pond (2) is connected through the end of intaking of pipeline with first processing apparatus (3), the play water end of first processing apparatus (3) is connected through the end of intaking of pipeline with second processing apparatus (4), the play water end of second processing apparatus (4) is connected through the end of intaking of pipeline with sewage degassing unit (5).

2. A combined biological rotating disc and MBR water treatment system according to claim 1, wherein the first treatment device (3) is a biological rotating disc, and the second treatment device (4) is an MBR membrane reaction tank.

3. The combined biological rotating disk and MBR water treatment system according to claim 1 or 2, wherein the concrete sedimentation tank (1) comprises a concrete tank body (6), a water inlet pipe and a water outlet pipe are respectively arranged at two sides of the concrete tank body (6), and a sewage treatment mechanism capable of moving transversely is mounted on the concrete tank body (6).

4. The MBR (biological rotating disc and MBR) combined water treatment system as claimed in claim 1, wherein the sewage treatment mechanism comprises mounting plates (7) respectively fixed at two ends of the concrete tank body (6), a transverse rectangular guide rod (17) and a rack (10) are fixed between the two mounting plates (7), and the rack (10) is positioned below the rectangular guide rod (17);

be located and be fixed with driving motor (8) on left mounting panel (7), and the output of driving motor (8) is fixed with and rotates horizontal threaded rod (9) of installing between two mounting panels (7), threaded rod (9) are gone up the thread sleeve and are had internal thread removal seat (11), and internal thread removal seat (11) slip suit is on rectangle guide bar (17), install rotatable rabbling mechanism on the internal thread removal seat (11).

5. The water treatment system combining the biological rotating disc and the MBR, as recited in claim 4, wherein the stirring mechanism comprises a bearing seat (12) fixed at the front side of the internal thread moving seat (11), a vertical rotating tube (13) is rotatably installed in the bearing seat (12) through a bearing, a material storage cylinder (15) is fixed and communicated at the upper end of the rotating tube (13), a stirring rod is fixed at the lower end of the rotating tube (13), discharge holes (14) are uniformly distributed at the lower end of the rotating tube (13), a gear (16) is fixedly sleeved on the rotating tube (13), the gear (16) is meshed with the rack (10), and a valve positioned below the gear (16) is arranged on the rotating tube (13).

6. A bio-disc MBR (membrane bioreactor) combined water treatment system according to claim 4, wherein a controller (18) is fixed on the mounting plate (7) at the left side, and the output end of the controller (18) is electrically connected with the driving motor (8).

7. The combined biological rotating disk and MBR water treatment system according to claim 5, wherein the storage cylinder (15) is made of transparent material, and a removable cover is sleeved on the upper end of the storage cylinder (15).