CN209923146U

CN209923146U - MBR integration sewage treatment device

Info

Publication number: CN209923146U
Application number: CN201920517159.9U
Authority: CN
Inventors: 黄顾; 贺群策; 凌湘
Original assignee: Hunan Water Source Environmental Protection Science Technology Co Ltd
Current assignee: Hunan Water Source Environmental Protection Science Technology Co Ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-10
Anticipated expiration: 2029-04-17

Abstract

The utility model discloses a MBR integration sewage treatment device, including the equipment shell, the one end of equipment shell is provided with the water intaking valve, and the other end of equipment shell is provided with the outlet valve, grid pond, anaerobism pond, MBR membrane treatment pond and buffer tank have set gradually between water intaking valve and the outlet valve, the upper end in anaerobism pond is provided with suction pump and silt processing apparatus, the mud in suction pump will anaerobism pond is taken out to silt processing apparatus, the bottom in buffer tank is provided with the resorption pump through the water pipe, and the other end of resorption pump is located anaerobism pond bottom. The utility model utilizes the scraper to clean the filter grating, and removes the blockage accumulated in the grating tank and the bonding material on the filter grating at one time; the sludge inside the anaerobic tank is cleaned through the sludge treatment device, the cleaning mode is simple and tidy, the service life of the MBR membrane component is prolonged, and the practical effect is obvious.

Description

MBR integration sewage treatment device

Technical Field

The utility model relates to a sewage treatment device technical field specifically is MBR integration sewage treatment device.

Background

MBR is a new type of wastewater treatment system that organically combines membrane separation technology and biological treatment technology. The membrane component replaces a terminal secondary sedimentation tank of the traditional biological treatment technology, the concentration of high-activity sludge is kept in a bioreactor, the organic load of biological treatment is improved, the occupied area of sewage treatment facilities is reduced, the excess sludge amount is reduced by keeping low sludge load, and the active sludge and macromolecular organic matters in a retention tank of membrane separation equipment immersed in an aerobic biological tank are mainly utilized. The concentration of the activated sludge in the membrane bioreactor system can be increased to 8000-10000 mg/L or even higher. The membrane bioreactor can retain microorganisms with longer generation period due to effective interception effect, can realize deep purification of sewage, simultaneously nitrifying bacteria can be fully propagated in the system, and the nitrification effect is obvious.

The MBR integrated sewage treatment equipment is generally provided with a grating area, an anaerobic and/or aerobic area and an MBR membrane group area, and after the grating area in the conventional MBR integrated sewage treatment equipment runs for a period of time, different degrees of blockages can be accumulated, so that the membrane treatment speed of the MBR membrane group area is reduced; when the MBR integrated sewage treatment equipment is used for a long time, a large amount of sludge can be accumulated in the anaerobic tank, the treatment is difficult, and the membrane flux of an MBR membrane group area can be reduced after the MBR integrated sewage treatment equipment is continuously used. For this reason, we propose MBR integrated sewage treatment equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an MBR integration sewage treatment device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: MBR integration sewage treatment device, including the equipment shell, the one end of equipment shell is provided with the water intaking valve, and the other end of equipment shell is provided with the outlet valve, grid pond, anaerobism pond, MBR membrane treatment pond and buffer tank have set gradually between water intaking valve and the outlet valve, the upper end in anaerobism pond is provided with mud pump and sludge treatment device, mud pump takes out the silt in the anaerobism pond to sludge treatment device, the bottom in buffer tank leads to the water pipe and is provided with the resorption pump, and the other end of resorption pump is located anaerobism pond bottom.

Preferably, the top both sides in grid pond all are provided with a plurality of groups supporting seat, and all be provided with the synchronizing wheel on the supporting seat, the homonymy the synchronizing wheel surface transmission is connected with the conveying chain, and every is relative two sets of be provided with the pivot between the synchronizing wheel, and the external surface mounting of pivot is provided with the lifting rope roller, and one of them is a set of the one end of pivot is connected with first motor, the inside in grid pond is provided with the filtration grid of complex group, the inner wall bottom in filtration grid and grid pond is provided with the scraper blade, and the upper end of scraper blade is provided with two sets of steel cables of symmetry, the initiating terminal of steel cable is fixed on the lifting rope roller on its top.

Preferably, the bottom in anaerobism pond is provided with the second motor that stirs the fan and drive stirring fan, the inner wall in anaerobism pond is close to bottom position department and is provided with and takes out the mud pipe, and take out the other end and the mud pump intercommunication of mud pipe, be provided with out the water passageway between anaerobism pond and the MBR membrane treatment pond.

Preferably, the sludge treatment device comprises a support frame, a plurality of groups of linearly arranged press plates are arranged between the support frames, one end of each support frame is communicated with a sludge inlet pipe, one end of each sludge inlet pipe is communicated with the center of each press plate, the other end of each sludge inlet pipe is communicated with a sludge pump, the edge of each press plate is provided with a hydraulic rod and a hydraulic machine for driving the hydraulic rod, a sliding fixture block fixed on the support frame is arranged in the middle of the two ends of the outer surface of each press plate, spring chains are fixedly arranged at the positions, close to the upper ends, of the two ends of the outer surface of each press plate, hoses are arranged at the positions, close to the lower ends, of the two ends of the outer surface of each press plate, one end.

Preferably, the pressing plate comprises a single plate and a plurality of groups of double plates, and one end of the outer surface of the single plate is fixedly connected with the hydraulic rod.

Preferably, the double plates comprise a filter frame and filter cloth, the filter cloth is arranged at both ends of the filter frame, and the filter cloth is fixedly connected with the filter cloth of the other group of double plates.

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

1. cleaning the filter grating by using a scraper, and removing the blockage accumulated in the grating tank and the bonding objects on the filter grating at one time;

2. the sludge in the anaerobic tank is cleaned through the sludge treatment device, the cleaning mode is simple and tidy, and the service life of the MBR membrane component is prolonged;

through above-mentioned two aspects, this MBR integration sewage treatment device degree of automation is high, and the maximize reduces the bulky material of water itself, reduces the use burden of MBR membrane module, reduces the work load that artificial silt was handled to the clearance mode is simple, has simple structure, convenient to use, excellent in use effect's advantage.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the MBR integrated sewage treatment device of the utility model;

FIG. 2 is a side view of the interior of the grid tank of the MBR integrated sewage treatment device of the present invention;

FIG. 3 is a front structural view of the interior of a grating tank of the MBR integrated sewage treatment device of the utility model;

FIG. 4 is a mounting structure diagram of an anaerobic tank and a sludge treatment device of the MBR integrated sewage treatment equipment of the utility model;

FIG. 5 is a front structural view of a sludge treatment device of the MBR integrated sewage treatment equipment of the utility model;

FIG. 6 is an internal structure view of a sludge treatment device of the MBR integrated sewage treatment equipment of the utility model;

FIG. 7 is the pressing plate structure of the MBR integrated sewage treatment device.

In the figure: 1. an equipment housing; 2. a water inlet valve; 3. a water outlet valve; 4. a grid tank; 41. filtering the grating; 42. a squeegee; 43. a steel cord; 44. a supporting seat; 45. a synchronizing wheel; 46. a conveyor chain; 47. a rotating shaft; 48. a rope lifting roller; 49. a first motor; 5. an anaerobic tank; 51. a second motor; 52. a stirring fan; 53. a mud pumping pipe; 54. a water outlet channel; 6. an MBR membrane treatment tank; 7. a buffer pool; 8. a sludge treatment device; 801. a support frame; 802. a mud inlet pipe; 803. pressing a plate; 803a, double plate; 803a1, filter frame; 803a2, filter cloth; 803b, a single plate; 804. sliding the clamping block; 805. a spring chain; 806. a hydraulic press; 807. a hydraulic lever; 808. a water outlet pipe; 809. an air inlet pipe; 810. a hose; 9. a back suction pump; 10. a mud pump.

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.

Referring to fig. 1-7, the present invention provides a technical solution:

the MBR integrated sewage treatment device in the embodiment, as shown in FIG. 1, comprises a device shell 1, a water inlet valve 2 is arranged at one end of the device shell 1, and the other end of the equipment shell 1 is provided with a water outlet valve 3, sewage enters from a water inlet valve 2, large-volume impurities are filtered by a grating tank 4 in sequence, organic matters in the wastewater are removed by an anaerobic tank 5, the wastewater is further treated by an MBR membrane treatment tank 6 and is detected by a buffer tank 7, clean water is released from the water outlet valve 3, the upper end of the anaerobic tank 5 is provided with a mud pump 10 and a sludge treatment device 8, the mud pump 10 pumps sludge in the anaerobic tank 5 to the sludge treatment device 8 for sludge treatment, the bottom end of the buffer tank 7 is provided with a suck-back pump 9 through a water pipe, and the other end of the resorption pump 9 is positioned at the bottom end of the anaerobic tank 5, and unqualified water quality monitoring in the buffer tank 7 continues to enter the anaerobic tank 5 for continuous treatment.

As shown in fig. 2 and 3, a plurality of groups of supporting seats 44 are disposed on both sides of the top end of the grating pool 4, each supporting seat 44 is provided with a synchronizing wheel 45, the outer surface of the synchronizing wheel 45 on the same side is in transmission connection with a transmission chain 46, a rotating shaft 47 is disposed between every two groups of synchronizing wheels 45, a rope lifting roller 48 is fixedly disposed on the outer surface of the rotating shaft 47, one end of one group of rotating shaft 47 is connected with a first motor 49, a plurality of groups of filter gratings 41 are disposed inside the grating pool 4, scrapers 42 are disposed at the bottom ends of the inner walls of the filter gratings 41 and the grating pool 4, two groups of symmetrical steel ropes 43 are disposed at the upper ends of the scrapers 42, and the starting ends of the steel.

And starting the first motor 49, wherein the first motor 49 drives a group of rotating shafts 47 and synchronizing wheels 45 to rotate, other synchronizing wheels 45 rotate sequentially through the transmission of the conveying chain 46 so as to drive the rope lifting rollers 48 to rotate, so that the steel ropes 43 and the scraping plates 42 move upwards, and when the scraping plates 42 move upwards, the scraping plates 42 lift sediment between the filter grids 41 and the grid pond 4 to the upper end of the grid pond 4 and then remove the sediment.

As shown in fig. 4, a stirring fan 52 and a second motor 51 for driving the stirring fan 52 are disposed at the bottom end of the anaerobic tank 5, a sludge pumping pipe 53 is disposed at a position close to the bottom end of the inner wall of the anaerobic tank 5, the other end of the sludge pumping pipe 53 is communicated with the sludge pumping pump 10, and a water outlet channel 54 is disposed between the anaerobic tank 5 and the MBR membrane treatment tank 6.

When sludge cleaning is performed, in order to prevent sludge at the bottom end of the anaerobic tank 5 from being condensed, the second motor 51 is started to stir the anaerobic tank 5, so that sludge and water inside the anaerobic tank 5 are mixed, and the sludge and water mixture is pumped to the sludge treatment device 8 through the sludge pumping pipe 53 under the action of the sludge pumping pump 10.

As shown in fig. 5, the sludge treatment apparatus 8 includes a support frame 801, a plurality of sets of pressing plates 803 arranged linearly are arranged between the support frames 801, one end of the support frame 801 is communicated with a sludge inlet pipe 802, one end of the sludge inlet pipe 802 is communicated with the center of the pressing plate 803, the other end of the sludge inlet pipe 802 is communicated with the sludge pump 10, one end of the edge set of pressing plates 803 is provided with a hydraulic press 806 for driving a hydraulic rod 807 and the hydraulic rod 807, a sliding fixture block 804 fixed on the support frame 801 is arranged in the middle of the two ends of the outer surface of the pressing plate 803, spring chains 805 are fixedly mounted at the positions of the two ends of the outer surface of the pressing plate 803 close to the upper end, two ends of the outer surface of the pressing plate 803 close to the lower end are provided with hoses.

As shown in fig. 6, the pressing plate 803 includes a single plate 803b and a plurality of sets of double plates 803a, and one end of the outer surface of the single plate 803b is fixedly connected to a hydraulic rod 807.

As shown in fig. 7, the double plate 803a includes a filter frame 803a1 and a filter cloth 803a2, both ends of the filter frame 803a1 are provided with filter cloths 803a2, and the filter cloth 803a2 is fixedly connected with the filter cloth 803a2 of the other set of double plates 803 a.

The hydraulic rod 807 pushes the single plate 803b to drive the plural sets of double plates 803a to move towards the fixed end of the support 801 on the support 801, the mud-water inlet pipe 802 starts to enter the mud-water mixture, the mud-water mixture enters the press plate 803 and enters between the filter cloths 803a2, after the whole filter cloth 803a2 is filled with the mud-water mixture, the hydraulic rod 807 continues to push the single plate 803b to the maximum extent, in the pressing process, part of water is removed from the mud-water mixture, the mud-water mixture enters the water outlet pipe 808 through the hose 810 at one end and returns to the anaerobic tank 5, at this time, the air inlet pipe 809 starts to enter compressed air through the hose 810 at the other end through the compression device, the compressed air enters the press plate 803 through the hose 810 to change the last water removed from the mud-water mixture into filter residue, the water enters the water outlet pipe 808 through the hose 810 and returns to the anaerobic tank 5, when the end, the press plates 803 are sequentially separated, and sludge between the filter cloths 803a2, which is then pressed into slag, automatically falls out.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

MBR integration sewage treatment device, including equipment shell (1), its characterized in that: the one end of equipment shell (1) is provided with water intaking valve (2), and the other end of equipment shell (1) is provided with outlet valve (3), grid pond (4), anaerobism pond (5), MBR membrane treatment pond (6) and buffer pool (7) have set gradually between water intaking valve (2) and outlet valve (3), the upper end in anaerobism pond (5) is provided with dredge pump (10) and silt processing apparatus (8), dredge pump (10) are taken out the silt in anaerobism pond (5) to silt processing apparatus (8), the bottom of buffer pool (7) is provided with resorption pump (9) through the water pipe, and the other end of resorption pump (9) is located anaerobism pond (5) bottom.
2. The MBR-integrated sewage treatment device of claim 1, wherein: a plurality of groups of supporting seats (44) are arranged on both sides of the top end of the grating tank (4), the supporting seats (44) are provided with synchronizing wheels (45), the outer surfaces of the synchronizing wheels (45) on the same side are in transmission connection with a transmission chain (46), a rotating shaft (47) is arranged between every two groups of synchronizing wheels (45), and the outer surface of the rotating shaft (47) is fixedly provided with a rope lifting roller (48), one end of one group of the rotating shafts (47) is connected with a first motor (49), a plurality of groups of filtering grids (41) are arranged in the grid pool (4), the bottom ends of the inner walls of the filtering grids (41) and the grid pools (4) are provided with scrapers (42), and the upper end of the scraper (42) is provided with two symmetrical groups of steel ropes (43), the starting end of the steel rope (43) is fixed on a rope lifting roller (48) at the top end of the steel rope.
3. The MBR-integrated sewage treatment device of claim 1, wherein: the bottom in anaerobism pond (5) is provided with second motor (51) of stirring fan (52) and drive stirring fan (52), the inner wall in anaerobism pond (5) is close to bottom position department and is provided with and draws mud pipe (53), and the other end and the mud pump (10) intercommunication of drawing mud pipe (53), be provided with out water passageway (54) between anaerobism pond (5) and MBR membrane treatment pond (6).
4. The MBR-integrated sewage treatment device of claim 1, wherein: the sludge treatment device (8) comprises support frames (801), a plurality of groups of pressing plates (803) which are linearly arranged are arranged between the support frames (801), one end of each support frame (801) is communicated with a sludge inlet pipe (802), one end of each sludge inlet pipe (802) is communicated with the center of each pressing plate (803), the other end of each sludge inlet pipe (802) is communicated with a sludge pump (10), one end of each pressing plate (803) with one edge is provided with a hydraulic rod (807) and a hydraulic machine (806) for driving the hydraulic rod (807), a sliding fixture block (804) fixed on each support frame (801) is arranged in the middle of the two ends of the outer surface of each pressing plate (803), spring chains (805) are fixedly installed at the positions, close to the upper ends, of the two ends of the outer surface of each pressing plate (803), hoses (810) are arranged at the positions, close to the lower ends, of the two ends of the outer surface of each pressing plate (, and the other end of the hose (810) is communicated with an air inlet pipe (809).
5. The MBR-integrated sewage treatment device of claim 4, wherein: the pressing plate (803) comprises a single plate (803b) and a plurality of groups of double plates (803a), and one end of the outer surface of the single plate (803b) is fixedly connected with a hydraulic rod (807).
6. The MBR-integrated sewage treatment device of claim 5, wherein: the double plates (803a) comprise filter frames (803a1) and filter cloth (803a2), the filter cloth (803a2) is arranged at both ends of each filter frame (803a1), and the filter cloth (803a2) is fixedly connected with the filter cloth (803a2) of the other group of double plates (803 a).