CN214612077U

CN214612077U - Wastewater treatment membrane bioreactor

Info

Publication number: CN214612077U
Application number: CN202120723843.XU
Authority: CN
Inventors: 王文浪
Original assignee: Shanghai Beifan Environmental Protection Technology Co ltd
Current assignee: Shanghai Beifan Environmental Protection Technology Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-05
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses a wastewater treatment membrane bioreactor, which comprises a reactor body, wherein the upper end of the reactor body is provided with a reaction tank, a rotating cavity is arranged in the reactor body, and the rotating cavity is positioned below the reaction tank; trigger mechanism, the vertical first bull stick that sets up in the rotation intracavity of trigger mechanism, the lower extreme of first bull stick extends to the external world, the upper end of first bull stick extends to the reaction tank in, first bull stick is located the first gear of part fixedly connected with in the rotation chamber, it is vertical to be equipped with the second bull stick to rotate the intracavity. The device mixes through the stirring of stirring rod and aeration, improves the aeration effect for the aeration is more abundant, and filters waste water many times, makes the effect of waste water treatment better, and through SST membrane module, can be with the effectual getting rid of Mg (OH) and partial organic matter in the waste water.

Description

Wastewater treatment membrane bioreactor

Technical Field

The utility model relates to the field of wastewater treatment, in particular to a wastewater treatment membrane bioreactor.

Background

The membrane bioreactor is a novel ecological wastewater treatment system organically combining a membrane separation technology and a biological treatment technology, keeps high active sludge concentration in the bioreactor, improves biological treatment organic load, and reduces the amount of excess sludge by keeping low sludge load;

when the aeration chamber of the prior membrane bioreactor performs aeration work, the aeration effect is goodGenerally, aeration is insufficient, treatment work in later period is influenced, an aeration tank does not have the function of primary filtering of sewage, so that more impurities are deposited in the aeration tank, and more impurities are wrapped on a membrane component when the membrane component is filtered, so that the working efficiency of the membrane component is influenced, and an existing biological membrane has no anti-pollution layer, so that Mg (OH) cannot be effectively removed₂And a portion of the organic matter.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art, and provides a wastewater treatment membrane bioreactor, which mixes the stirring and the aeration of a stirring rod, improves the aeration effect, ensures that the aeration is more sufficient, filters wastewater for a plurality of times, ensures that the wastewater treatment effect is better, and can filter the Mg (OH) in the wastewater through an SST membrane component₂And a part of organic matters are effectively removed.

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

a membrane bioreactor for wastewater treatment comprises a reactor body, wherein the upper end of the reactor body is provided with a reaction tank, a rotating cavity is arranged in the reactor body, and the rotating cavity is positioned below the reaction tank;

the reactor comprises a rotating cavity, a triggering mechanism, a first rotating rod, a second rotating rod, a first gear, a second gear, a motor and a second rotating rod, wherein the triggering mechanism is vertically arranged on the first rotating rod in the rotating cavity, the lower end of the first rotating rod extends to the outside, the upper end of the first rotating rod extends into the reaction tank, the part of the first rotating rod, which is positioned in the rotating cavity, is fixedly connected with the first gear, the rotating cavity is vertically provided with the second rotating rod, two ends of the second rotating rod are respectively and rotatably connected with the inner top and the inner bottom of the rotating cavity, the second rotating rod is fixedly connected with the second gear, which is meshed with the first gear, the lower end of the reactor body is provided with the motor, and the tail end of an output shaft of the motor extends into the rotating cavity and is rotatably connected with the second rotating rod;

aeration equipment constructs, aeration equipment constructs including two puddlers of fixed connection on being located the reaction tank first bull stick, the air channel has been seted up to the lower extreme of first bull stick, two all be equipped with the intercommunication chamber in the puddler, two the intercommunication chamber all communicates with the air channel, two a plurality of bleeder vents that communicate with the reaction tank have all been seted up on the inner wall in intercommunication chamber, rotary joint is installed to the lower extreme of first bull stick, lets in the air channel through the aeration pipe with oxygen, and a plurality of bleeder vents on the rethread intercommunication chamber are discharged into in the waste water.

Preferably, still include membrane module mechanism, membrane module mechanism includes that the level sets up two fixed plates in the reaction tank, two both ends all with the left and right sides inner wall fixed connection of reaction tank about the fixed plate, vertically in the reaction tank be equipped with a plurality of biomembranes, it is a plurality of the upper and lower both ends of biomembrane respectively with for fixed plate fixed connection, the biomembrane of this reactor is gore antipollution type SST membrane module.

Preferably, the device further comprises a first filtering mechanism, wherein the filtering mechanism comprises a screen plate horizontally arranged in the reaction tank, the screen plate is fixedly connected with the inner wall of the reaction tank, and the screen plate can have a certain filtering effect on the wastewater.

Preferably, the inner wall of the right side of the reaction tank is provided with a water outlet communicated with the outside, and a manual valve is mounted on the water outlet and can be opened or closed manually.

Preferably, still include the second filter mechanism, the second filter mechanism includes the netted hollow plate of fixed connection in the delivery port, be equipped with the active carbon in the netted hollow plate, waste water can pass through the active carbon in the netted hollow plate of delivery port when flowing out.

Preferably, the plurality of air holes are internally provided with a one-way valve which can ensure that the plurality of air holes only give vent to air and do not feed water.

Compared with the prior art, the utility model, its beneficial effect does:

1. be provided with aeration mechanism, let in the air channel with oxygen through the aeration pipe in, in a plurality of bleeder vents on the rethread intercommunication chamber discharged into the waste water, increase the contact effect with waste water to cooperate with the stirring of a plurality of puddlers, increase the effect of aeration, make the aeration more abundant.

2. The reactor is provided with a membrane component mechanism, and the biological membrane of the reactor is a Goll anti-pollution SST membrane component, and the membrane component has the greatest advantage of having an anti-pollution layer and effectively removing Mg (OH) and partial organic matters in wastewater.

3. The two filtering mechanisms are arranged, when waste water is poured into the reaction tank, the screen plate can have a certain filtering effect on the waste water, and a large amount of impurities are attached to the upper surface of the membrane component during filtering, so that the working efficiency of the membrane component is effectively prevented from being influenced; after the treatment is completed, the manual valve can be opened, and when the wastewater flows out, the wastewater can pass through the active carbon in the net-shaped hollow plate on the water outlet, so that the peculiar smell in the sewage is adsorbed by the active carbon, and the influence on the working environment caused by the heavier peculiar smell in the aeration tank is prevented.

Drawings

FIG. 1 is a schematic structural view of a wastewater treatment membrane bioreactor of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a perspective view of the biofilm module of fig. 1.

In the figure: the bioreactor comprises a reactor body 1, a reaction tank 2, a rotating cavity 3, a screen plate 4, a first rotating rod 5, a first gear 6, a second rotating rod 7, a second gear 8, a motor 9, an air channel 10, a stirring rod 11, a communicating cavity 12, air holes 13, a rotating joint 14, a reticular hollow plate 15, a fixed plate 16 and a biological membrane 17.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, a membrane bioreactor for wastewater treatment comprises a reactor body 1, a reaction tank 2 is arranged at the upper end of the reactor body 1, a rotating cavity 3 is arranged in the reactor body 1, and the rotating cavity 3 is positioned below the reaction tank 2;

the reaction tank comprises a trigger mechanism, wherein the trigger mechanism is vertically arranged on a first rotating rod 5 in a rotating cavity 3, the lower end of the first rotating rod 5 extends to the outside, the upper end of the first rotating rod 5 extends into a reaction tank 2, a part of the first rotating rod 5, which is positioned in the rotating cavity 3, is fixedly connected with a first gear 6, a second rotating rod 7 is vertically arranged in the rotating cavity 3, two ends of the second rotating rod 7 are respectively and rotatably connected with the inner top and the inner bottom of the rotating cavity 3, a second gear 8 meshed with the first gear 6 is fixedly connected onto the second rotating rod 7, a motor 9 is installed at the lower end of the reactor body 1, the tail end of an output shaft of the motor 9 extends into the rotating cavity 3 and is rotatably connected with the second rotating rod 7, a water outlet communicated with the outside is formed in the inner wall of the right side of the reaction tank 2, a manual valve is installed on the water outlet, and the manual valve can be manually opened or closed;

aeration equipment, aeration equipment includes two puddlers 11 of fixed connection on being located reaction tank 2 first bull stick 5, air channel 10 has been seted up to the lower extreme of first bull stick 5, all be equipped with intercommunication chamber 12 in two puddlers 11, two intercommunication chambers 12 all communicate with air channel 10, all set up a plurality of bleeder vents 13 with reaction tank 2 intercommunication on the inner wall of two intercommunication chambers 12, all install the check valve in a plurality of bleeder vents 13, the check valve can ensure that a plurality of bleeder vents 13 are given vent to anger, do not intake, rotary joint 14 is installed to the lower extreme of first bull stick 5, let in air channel 10 through the aeration pipe with oxygen, in a plurality of bleeder vents 13 on the rethread intercommunication chamber 12 discharge waste water, increase the contact effect with waste water, and cooperate with the stirring of a plurality of puddlers 11, the effect of increase, make the aeration more abundant.

Wherein, still include membrane module mechanism, membrane module mechanism includes two fixed plates 16 that the level set up in reaction tank 2, both ends all with the left and right sides inner wall fixed connection of reaction tank 2 about two fixed plates 16, vertically in the reaction tank 2 be equipped with a plurality of biomembranes 17, the upper and lower both ends of a plurality of biomembranes 17 respectively with for fixed plate 16 fixed connection, biomembrane 17 of this reactor is gor antipollution type SST membrane module, the biggest advantage of this membrane module is to have the antipollution layer, can be with Mg (OH) in the waste water₂And a part of organic matters are effectively removed.

Wherein, still include first filter mechanism, filter mechanism includes the otter board 4 of level setting in reaction tank 2, otter board 4 and reaction tank 2's inner wall fixed connection, otter board 4 can have certain filtering action to waste water, can effectually prevent that the membrane module is when filtering, a large amount of impurity are adhered to the upper surface, influence membrane module work efficiency, still include second filter mechanism, second filter mechanism includes fixed connection at the intraoral netted hollow plate 15 of delivery port, be equipped with the active carbon in netted hollow plate 15, waste water when flowing, can pass through the delivery port and go up the interior active carbon of netted hollow plate 15, adsorb the peculiar smell in the sewage through the active carbon, it is heavier to prevent the aeration tank peculiar smell, influence operational environment.

When the reactor is used, wastewater is firstly poured into the reaction tank 2 through the notch of the reaction tank 2, when the wastewater is poured into the reaction tank 2, the screen plate 4 has a certain filtering effect on the wastewater, and a large amount of impurities are effectively prevented from being attached to the upper surface of the membrane module during filtering, so that the working efficiency of the membrane module is influenced;

after the wastewater is poured, a motor 9 is opened, an aeration pipe is connected to the lower end of a rotary joint 14, the motor 9 drives a second rotating rod 7 to rotate, the second rotating rod 7 drives a second gear 8 to rotate, the second gear 8 drives a first gear 6 meshed with the second gear to rotate, the first gear 6 drives a first rotating rod 5 to rotate, the first rotating rod 5 drives two stirring rods 11 to rotate, oxygen is introduced into a ventilation groove 10 through an aeration pipe and then is discharged into the wastewater through a plurality of air holes 13 in a communication cavity 12, the contact effect with the wastewater is increased, and the stirring effect of the stirring rods 11 is matched, so that the aeration effect is increased, and the aeration is more sufficient;

the biological membrane 17 of the reactor is a Goll anti-pollution SST membrane component, and the membrane component has the greatest advantage of having an anti-pollution layer and can be used for treating Mg (OH) in wastewater₂And part of organic matters are effectively removed;

after the treatment is completed, the manual valve can be opened, and when the wastewater flows out, the wastewater can pass through the activated carbon in the net-shaped hollow plate 15 on the water outlet, so that the peculiar smell in the sewage is adsorbed by the activated carbon, and the influence on the working environment caused by the heavy peculiar smell in the aeration tank is prevented.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A membrane bioreactor for wastewater treatment, comprising:

the reactor comprises a reactor body (1), wherein a reaction tank (2) is formed in the upper end of the reactor body (1), a rotating cavity (3) is formed in the reactor body (1), and the rotating cavity (3) is positioned below the reaction tank (2);

a trigger mechanism, a first rotating rod (5) vertically arranged in the rotating cavity (3), the lower end of the first rotating rod (5) extends to the outside, the upper end of the first rotating rod (5) extends into the reaction tank (2), the part of the first rotating rod (5) positioned in the rotating cavity (3) is fixedly connected with a first gear (6), a second rotating rod (7) is vertically arranged in the rotating cavity (3), two ends of the second rotating rod (7) are respectively and rotatably connected with the inner top and the inner bottom of the rotating cavity (3), a second gear (8) meshed with the first gear (6) is fixedly connected to the second rotating rod (7), the lower end of the reactor body (1) is provided with a motor (9), and the tail end of an output shaft of the motor (9) extends into the rotating cavity (3) and is rotatably connected with a second rotating rod (7);

aeration equipment constructs, aeration equipment constructs two puddlers (11) on being located reaction tank (2) first bull stick (5) including fixed connection, air channel (10) have been seted up to the lower extreme of first bull stick (5), two all be equipped with intercommunication chamber (12), two in puddler (11) intercommunication chamber (12) all communicate with air channel (10), two all set up bleeder vent (13) a plurality of and reaction tank (2) intercommunication on the inner wall in intercommunication chamber (12), rotary joint (14) are installed to the lower extreme of first bull stick (5).

2. The membrane bioreactor for wastewater treatment according to claim 1, further comprising a membrane module mechanism, wherein the membrane module mechanism comprises two fixing plates (16) horizontally arranged in the reaction tank (2), the left and right ends of the two fixing plates (16) are fixedly connected with the inner walls of the left and right sides of the reaction tank (2), a plurality of biological membranes (17) are vertically arranged in the reaction tank (2), and the upper and lower ends of the plurality of biological membranes (17) are respectively fixedly connected with the fixing plates (16).

3. A membrane bioreactor for treating waste water according to claim 1, further comprising a first filtering means, wherein the filtering means comprises a screen plate (4) horizontally disposed in the reaction tank (2), and the screen plate (4) is fixedly connected with the inner wall of the reaction tank (2).

4. The membrane bioreactor for wastewater treatment according to claim 1, wherein a water outlet communicated with the outside is formed in the inner wall of the right side of the reaction tank (2), and a manual valve is installed on the water outlet.

5. The membrane bioreactor for wastewater treatment according to claim 4, further comprising a second filtering mechanism, wherein the second filtering mechanism comprises a reticular hollow plate (15) fixedly connected in the water outlet, and activated carbon is arranged in the reticular hollow plate (15).

6. The membrane bioreactor for wastewater treatment according to claim 1, wherein a plurality of said air holes (13) are installed with a one-way valve.