CN211946661U - Novel efficient membrane bioreactor - Google Patents

Abstract

The utility model discloses a novel high-efficiency membrane bioreactor, which comprises a filter cartridge, a membrane biological reaction cartridge and a water storage disinfection box; a plurality of filter plates are arranged above the filter grid in the filter cylinder at intervals; the membrane biological reaction cylinder is internally provided with a membrane biological reaction device, the membrane biological reaction device comprises guide layer plates which are sequentially connected end to end from top to bottom, an activated carbon adsorption layer is arranged below each guide layer plate in the membrane biological reaction cylinder, and the upper part of the membrane biological reaction cylinder is communicated with the top of the water storage disinfection tank through an overflow pipe. The utility model filters and intercepts large particles with different sizes in sewage in sequence by arranging the filtering grids and the multilayer filter plates, and collects the large particles in a unified way through the sewage collecting tank, and the guide layer plate guides the entering sewage to pass through the membrane channels in the multilayer guide layer plate and fully contact with biological particles for a plurality of times, thereby enhancing the biological reaction effect; the sewage after the membrane reaction is reintroduced into the membrane biological reaction cylinder to be contacted with the multi-layer activated carbon filter layer, so that the sewage treatment efficiency is increased.

Description

Novel efficient membrane bioreactor

Technical Field

The utility model relates to the field of sewage treatment, in particular to a novel high-efficiency membrane bioreactor.

Background

China is a water-deficient country, and sewage treatment and recycling are effective measures for developing and utilizing water resources. The sewage recycling is to treat urban sewage and industrial sewage by a membrane bioreactor and other equipment, and then use the treated sewage for non-drinking purposes such as greening, flushing, ornamental water body supplementing and the like, and use clean water for high water quality requirements such as drinking and the like. Urban sewage and industrial sewage can be obtained nearby, long-distance water delivery can be omitted, near treatment is realized, water resources are fully utilized, and meanwhile, sewage is treated nearby, and sewage leakage caused by the sewage in the long-distance delivery process can be prevented, so that underground water sources are polluted. Sewage reuse has been widely adopted in many water-deficient areas of the world, and is considered as the most practical technology for sewage treatment in the 21 st century.

A Membrane Bioreactor (MBR) is a new type of wastewater treatment system that combines Membrane separation technology and biological treatment technology. The membrane component replaces a secondary sedimentation tank at the tail end of the traditional biological treatment technology, the concentration of the high-activity sludge is kept in a bioreactor, the organic load of biological treatment is improved, the occupied area of a sewage treatment facility is reduced, and the excess sludge amount is reduced by keeping low sludge load. Active sludge and macromolecular organic matters in water are intercepted mainly by utilizing membrane separation equipment.

The prior membrane bioreactor has poor impurity interception effect in the early stage, and the intercepted impurities are inconvenient to treat; in the biological reaction stage, the contact area between biological particles and sewage is small, the sewage filtering effect is poor, the reaction is usually carried out for a long time before entering the next stage, and the water treatment efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel high-efficiency membrane bioreactor to solve the problems in the background technology.

In order to achieve the above object, the utility model provides a following technical scheme: a novel high-efficiency membrane bioreactor comprises a filter cylinder and a membrane biological reaction cylinder, wherein a water storage disinfection tank is arranged between the filter cylinder and the membrane biological reaction cylinder; a water inlet is formed in one side of the bottom of the filter cartridge, a filter grid is arranged above the water inlet in the filter cartridge, and a plurality of filter plates are sequentially arranged above the filter grid at intervals from top to bottom in the filter cartridge; the top of the filter cylinder is connected with the top of the membrane biological reaction cylinder through a first water guide pipe, a first water pump is installed on the first water guide pipe, a membrane biological reaction device is installed in the membrane biological reaction cylinder and comprises guide layer plates which are sequentially connected end to end from top to bottom, activated carbon adsorption layers are respectively installed below the guide layer plates in the membrane biological reaction cylinder, the bottom and the top of the membrane biological reaction cylinder are communicated through a second water guide pipe, and a second water pump is installed on the second water guide pipe; one side of the upper part of the membrane biological reaction cylinder is communicated with the top of the water storage disinfection tank through an overflow pipe, and the bottom of the water storage disinfection tank is provided with a water outlet.

Preferably, a medicine adding opening is formed in the side surface of the water storage disinfection box.

Preferably, the filter is the circular arc curved surface structure of upwards arching, and a plurality of filtration pores have been seted up on the filter surface, and the aperture of the filtration pore on each layer filter reduces by supreme down in proper order, and the blowdown opening has been seted up respectively at the filter both ends.

Preferably, the bottom of the filter cartridge is provided with a communicated sewage collecting tank, and one side of the sewage collecting tank is provided with a sewage draining outlet.

Preferably, the water conservancy diversion plywood is hollow circular arc curved surface structure, and its concave surface is up, and the water conservancy diversion plywood includes the inlet guide housing and the outlet of lower extreme of the trumpet-shaped structure of upper end, and each layer water conservancy diversion plywood end to end body coupling, and the outlet of upper strata water conservancy diversion plywood is arranged in directly over the inlet guide housing of lower floor's water conservancy diversion plywood, and the inlet guide housing and the terminal intercommunication of first aqueduct of the water conservancy diversion plywood of the superiors.

Preferably, the middle part of the diversion layer plate is provided with a membrane channel, and biological particles are filled in the membrane channel.

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

1. the utility model discloses a set up the filter screen in the cartridge filter, to debris interception such as fibre, sediment, waste paper in the sewage, set up the multilayer filter, filter the interception to the big particulate matter of equidimension not in the sewage in proper order to the impurity that the blowdown opening through filter both ends sees through the impurity of interception and falls into the dirty pond of collection and unify and collect, conveniently intercepts the processing of debris, has guaranteed the filter effect that gets into the sewage of next processing link simultaneously.

2. The utility model arranges the integrally connected multi-layer diversion layer plates on the membrane biological reaction cylinder, leads the entering sewage to pass through the membrane channels in the multi-layer diversion layer plates and to be fully contacted with biological particles for a plurality of times, thereby enhancing the biological reaction effect; meanwhile, sewage after membrane reaction is reintroduced into the membrane biological reaction cylinder by using the water pump to be contacted with the multi-layer activated carbon filter layer for adsorption treatment, the space in the same membrane biological reaction cylinder is reasonably utilized for multiple reactions, and the sewage treatment efficiency is increased.

3. The utility model discloses set up the water storage disinfect box between cartridge filter and membrane biological reaction section of thick bamboo for receive the water that overflows after the active carbon treatment, further disinfection handles, each link does not influence each other, advances gradually layer upon layer, guarantees sewage treatment effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the filter grid according to the present invention;

FIG. 3 is a schematic view of the filter plate according to the present invention;

fig. 4 is a schematic view of a concrete structure of the flow guiding laminate of the present invention.

In the figure: 1. a filter cartridge; 2. a membrane bioreaction cylinder; 3. a water storage disinfection tank; 4. a water inlet; 5. filtering the grating; 6. a filter plate; 7. a filtration pore; 8. a blowdown port; 9. a sewage collecting tank; 10. a sewage draining outlet; 11. a first water conduit; 12. a first water pump; 13. a diversion layer plate; 14. a water inlet guide cover; 15. a water outlet; 16. a membrane channel; 17. an activated carbon adsorption layer; 18. a second water conduit; 19. a second water pump; 20. an overflow pipe; 21. and (7) a water outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a novel high-efficiency membrane bioreactor comprises a filter cartridge 1 and a membrane biological reaction cartridge 2, wherein a water storage disinfection tank 3 is arranged between the filter cartridge 1 and the membrane biological reaction cartridge 2; a water inlet 4 is formed in one side of the bottom of the filter cartridge 1, a filter grid 5 is arranged above the water inlet 4 in the filter cartridge 1, and a plurality of filter plates 6 are sequentially arranged above the filter grid 5 in the filter cartridge 1 at intervals from top to bottom; the top of the filter cylinder 1 is connected with the top of the membrane biological reaction cylinder 2 through a first water guide pipe 11, a first water pump 12 is installed on the first water guide pipe 11, a membrane biological reaction device is installed in the membrane biological reaction cylinder 2 and comprises guide layer plates 13 which are sequentially connected end to end from top to bottom, an activated carbon adsorption layer 17 is respectively installed below each guide layer plate 13 in the membrane biological reaction cylinder 2, the bottom and the top of the membrane biological reaction cylinder 2 are communicated through a second water guide pipe 18, and a second water pump 19 is installed on the second water guide pipe 18; one side of the upper part of the membrane biological reaction cylinder 2 is communicated with the top of the water storage disinfection tank 3 through an overflow pipe 20, and the bottom of the water storage disinfection tank 3 is provided with a water outlet 21.

Further, a medicine adding opening is formed in the side face of the water storage disinfection box 3.

Further, the filter 6 is the circular arc curved surface structure of upwards arching, and a plurality of filtration pores 7 have been seted up on the filter 6 surface, and the aperture of the filtration pore 7 on each layer filter 6 reduces by supreme down in proper order, and blowdown opening 8 has been seted up respectively at 6 both ends of filter.

Further, the bottom of the filter cartridge 1 is provided with a communicated sewage collecting tank 9, and one side of the sewage collecting tank 9 is provided with a sewage discharge outlet 10.

Further, the diversion layer plate 13 is a hollow circular arc curved surface structure, the concave surface of the diversion layer plate is upward, the diversion layer plate 13 comprises a water inlet guide cover 14 of a trumpet-shaped structure at the upper end and a water outlet 15 at the lower end, the diversion layer plates 13 at all layers are integrally connected end to end, the water outlet 15 of the diversion layer plate 13 at the upper layer is arranged right above the water inlet guide cover 14 of the diversion layer plate 13 at the lower layer, and the water inlet guide cover 14 of the diversion layer plate 13 at the uppermost layer is communicated with the tail end of the first water guide.

Further, a membrane channel 16 is arranged in the middle of the diversion layer plate 13, and biological particles are filled in the membrane channel 16.

The working principle is as follows: by water inlet 4 to cartridge filter 1 internal water, under the suction effect of first water pump 12, sewage flows up, earlier through filtering grid 5, fibre in the sewage, dregs, debris such as waste paper are intercepted, pass through each layer filter 6 again, the particulate matter in multiple different apertures is filtered the interception, and the impurity that sees through the blowdown opening 7 at filter 6 both ends with the interception sees through and falls into the dirty pond of collection 9 in unified the collection, conveniently intercept the processing of debris, guaranteed the filter effect who gets into the sewage of next processing link simultaneously.

The filtered sewage enters the membrane biological reaction cylinder 2 through the first water guide pipe 11, enters the membrane biological reaction device through the water inlet guide cover 14 of the uppermost guide layer plate 13, is guided to pass through the membrane channels 16 in the plurality of guide layer plates 13 and fully contacts with biological particles for a plurality of times, and is finally discharged into the bottom of the membrane biological reaction cylinder 2 through the water outlet 15 of the lowermost guide layer plate 13, so that the biological reaction effect is enhanced; under the suction effect of the second water pump 19, the water at the bottom of the membrane biological reaction cylinder 2 enters the outside of the membrane biological reaction device in the membrane biological reaction cylinder 2 again through the second water guide pipe 18, and is adsorbed through the multi-layer activated carbon adsorption layer 17, so that the space in the same membrane biological reaction cylinder 2 is reasonably utilized for multiple reactions, and the sewage treatment efficiency is increased.

The adsorbed water is gradually increased in the membrane biological reaction cylinder 2 and finally enters the water storage disinfection box 3 through the overflow pipe 20 for further disinfection treatment, all links are not affected with each other, and the sewage treatment effect is ensured by progressive treatment layer by layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A novel high-efficiency membrane bioreactor is characterized by comprising a filter cylinder (1) and a membrane biological reaction cylinder (2), wherein a water storage disinfection box (3) is arranged between the filter cylinder (1) and the membrane biological reaction cylinder (2); a water inlet (4) is formed in one side of the bottom of the filter cartridge (1), a filter grid (5) is installed above the water inlet (4) in the filter cartridge (1), and a plurality of filter plates (6) are sequentially installed above the filter grid (5) in the filter cartridge (1) at intervals from top to bottom; the top of the filter cylinder (1) is connected with the top of the membrane biological reaction cylinder (2) through a first water guide pipe (11), a first water pump (12) is installed on the first water guide pipe (11), a membrane biological reaction device is installed in the membrane biological reaction cylinder (2), the membrane biological reaction device comprises flow guide layer plates (13) which are sequentially connected end to end from top to bottom, activated carbon adsorption layers (17) are respectively installed below the flow guide layer plates (13) in each layer in the membrane biological reaction cylinder (2), the bottom and the top of the membrane biological reaction cylinder (2) are communicated through a second water guide pipe (18), and a second water pump (19) is installed on the second water guide pipe (18); one side of the upper part of the membrane biological reaction cylinder (2) is communicated with the top of the water storage disinfection tank (3) through an overflow pipe (20), and a water outlet (21) is arranged at the bottom of the water storage disinfection tank (3).

2. The novel high efficiency membrane bioreactor of claim 1, wherein: the side surface of the water storage disinfection box (3) is provided with a medicine adding opening.

3. The novel high efficiency membrane bioreactor of claim 1, wherein: the filter (6) is the circular arc curved surface structure that upwards arches, and a plurality of filtration pores (7) have been seted up on filter (6) surface, and the aperture of filtration pore (7) on each layer filter (6) reduces by supreme down in proper order, and blowdown opening (8) have been seted up respectively at filter (6) both ends.

4. The novel high efficiency membrane bioreactor of claim 1, wherein: the bottom of the filter cartridge (1) is provided with a communicated sewage collecting tank (9), and one side of the sewage collecting tank (9) is provided with a sewage draining outlet (10).

5. The novel high efficiency membrane bioreactor of claim 1, wherein: diversion layer board (13) are hollow circular arc curved surface structure, and its concave surface is up, and diversion layer board (13) are including intaking guide housing (14) and outlet (15) of lower extreme of the trumpet-shaped structure of upper end, and each layer diversion layer board (13) end to end body coupling, and the inlet guide housing (14) of lower floor diversion layer board (13) is arranged in outlet (15) of upper strata diversion layer board (13) directly over, and the inlet guide housing (14) and the terminal intercommunication of first aqueduct (11) of superiors diversion layer board (13).

6. The novel high efficiency membrane bioreactor of claim 1, wherein: and a membrane channel (16) is arranged in the middle of the diversion layer plate (13), and biological particles are filled in the membrane channel (16).

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