CN214088183U

CN214088183U - MBR membrane biological denitrification's device

Info

Publication number: CN214088183U
Application number: CN202120022885.0U
Authority: CN
Inventors: 司圆圆; 李德豪; 陈兴汉; 王洁; 陈志国; 张和芳; 韦梅; 余美玲
Original assignee: Yangjiang Polytechnic
Current assignee: Yangjiang Polytechnic
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-08-31
Anticipated expiration: 2031-01-06

Abstract

The utility model belongs to the technical field of sewage treatment, and discloses a MBR membrane biological denitrification device, which comprises a sewage tank, wherein one side of the sewage tank is provided with a sewage inlet, one side of the sewage inlet, which is far away from the sewage tank, is provided with a gate valve, the inner wall of the sewage tank is welded with a first underframe and a second underframe, and the first underframe and the second underframe are respectively provided with two frames which are arranged in a shape like a Chinese character 'jing', the surface walls of the first underframe and the second underframe are provided with a first membrane frame and a second membrane frame, and the first membrane frame and the second membrane frame are respectively provided with two frames, the utility model supports the first membrane frame and the second membrane frame through the first underframe and the second underframe, wherein the first underframe and the second underframe are directly welded on the side wall of the sewage tank, the first membrane frame and the second membrane frame can not touch the bottom end of the sewage tank after being installed, and the welding position of the first underframe and the second underframe is arranged in the upper area of an impurity accumulation position, the inner wall of the sewage pool keeps horizontal, and no dead angle exists during cleaning.

Description

MBR membrane biological denitrification's device

Technical Field

The utility model belongs to the technical field of sewage treatment, concretely relates to MBR membrane biological denitrification's device.

Background

Along with the development of science and technology, inevitable can bring the drawback, for example to the pollution problem of environment, in order to solve present sewage to the pollution of environment, get rid of the nitrogen in the sewage, the more common solution has the MBR membrane bioreactor of use, MBR membrane bioreactor is the novel attitude effluent disposal system that membrane separation technique and biological treatment technique organic combination, replace traditional biological treatment technique terminal secondary sedimentation pond with the membrane module, keep high active sludge concentration in the bioreactor, improve biological treatment organic load, thereby reduce sewage treatment facility area, and reduce the excess sludge volume through keeping low sludge load, mainly utilize to immerse active sludge and the macromolecular organic matter that membrane separation equipment in the aerobic biological pond held back inslot. The concentration of the activated sludge in the membrane bioreactor system can be increased to 8000-plus 10,000mg/L, even higher, the sludge age can be prolonged to more than 30 days, and the MBR membrane bioreactor can effectively remove nitrogen in the sewage.

Current MBR bioreactor is when using, the harmful substance in membrane silk absorption sewage wherein, the clear water of filter department, but under the long-time use, membrane silk table wall can a lot of impurity of adhesion, impurity can form the jelly after long-time the long-time save reaction, the clearance that pure water washing can not be fine, the time influence filter effect of having of a specified duration, and the membrane silk passes through the bottom of direct mount at the effluent water sump, when clean effluent water sump, the region of support low side produces the dead angle easily, inconvenient clearance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device of biological denitrogenation of MBR membrane to solve the inconvenient clearance of current MBR membrane silk and the problem that is difficult to the clearance in effluent water sump bottom dead angle.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a device of MBR membrane biological denitrification, includes the effluent water sump, sewage entry has been seted up to effluent water sump one side, and sewage entry keeps away from one side of effluent water sump and installs the gate valve, the inner wall welding of effluent water sump has first chassis and second chassis, and first chassis and second chassis all are provided with two, are "well" word form and arrange, the table wall of first chassis and second chassis is provided with first membrane frame and second membrane frame, and just first membrane frame and second membrane frame all are provided with two, are "well" word form and arrange.

Preferably, a longitudinal support is arranged above the first film frame and the second film frame, and a top end transverse frame is arranged above the longitudinal support.

Preferably, the inner side of the top end cross frame is provided with a water collecting main pipe, and a membrane connecting block is arranged below the water collecting main pipe.

Preferably, the hooks are installed on two sides of the membrane connecting block, MBR membrane yarns are installed at the bottom end of the membrane connecting block, and water holes are formed in the MBR membrane yarns.

Preferably, the table wall of MBR membrane silk is provided with the clearance strip, and the inner wall of clearance strip has seted up the fenestra, fenestra and MBR membrane silk phase-match, the pivot in addition is all installed to the both sides of clearance strip, and one side of pivot is installed and is hung the knot, hang and detain and couple phase-match.

Preferably, the top of collecting main is connected with the outlet pipe, and the top of outlet pipe is connected with the fortune water pipe, the one end that the outlet pipe was kept away from to the fortune water pipe is provided with the clear water entry, and the clear water entry is kept away from one side of fortune water pipe and is provided with the clean water pond.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses a first frame and second frame have been supported first membrane frame and second membrane frame, and wherein first frame and second frame beading can not touch the bottom of effluent water sump after the installation of first membrane frame and second membrane frame at the lateral wall of effluent water sump, and its first frame and second frame welded position are regional in the top that impurity piled up the department, and the effluent water sump inner wall keeps the level, does not have the dead angle during clearance.

(2) The utility model discloses set up through the couple with hang and detain and installed the clearance strip, and the inside of clearance strip has seted up the fenestra, the fenestra is hugged closely at the table wall of MBR membrane silk, and when MBR membrane silk live time overlength, when the table wall adsorbs too much impurity, the clearance strip that slides carries out the physical cleaning to impurity to clearance MBR membrane silk table wall's impurity avoids influencing the drainage effect because impurity is too much.

Drawings

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

fig. 2 is a top view of the first chassis and the second chassis of the present invention;

FIG. 3 is a top view of the cleaning strip of the present invention;

fig. 4 is a diagonal view of the inventive MBR membrane filaments;

FIG. 5 is an enlarged view of the point A of FIG. 1 according to the present invention;

in the figure: 1. a gate valve; 2. a sewage inlet; 3. a longitudinal support; 4. MBR membrane filaments; 5. a water collecting main pipe; 6. a water outlet pipe; 7. hooking; 8. a water conveying pipe; 9. a clean water tank; 10. a clear water inlet; 11. film connecting blocks; 12. a first chassis; 13. a sewage tank; 14. a first film frame; 15. a second film frame; 16. a second chassis; 17. a top end cross frame; 18. hanging and buckling; 19. a rotating shaft; 20. cleaning the strips; 21. a membrane pore; 22. and a water through hole.

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. 1-5, the present invention provides the following technical solutions: the utility model provides a device of MBR membrane biological denitrification, including effluent water sump 13, effluent water inlet 2 has been seted up to effluent water sump 13 one side, and effluent water inlet 2 keeps away from one side of effluent water sump 13 and installs gate valve 1, the inner wall welding of effluent water sump 13 has first chassis 12 and second chassis 16, and first chassis 12 and second chassis 16 all are provided with two, be "well" word form and arrange, first chassis 12 and second chassis 16 from the crisscross welded of effluent water sump 13 lateral wall can let the bottom of effluent water sump 13 not have any tie point, be in planar state, and impurity can sink to the bottom of effluent water sump 13 in the sewage, it is very convenient during the clearance, do not clear up the dead angle, the table wall of first chassis 12 and second chassis 16 is provided with first membrane frame 14 and second membrane frame 15, and first membrane frame 14 and second membrane frame 15 all are provided with two, be "well" word form and arrange.

Further, the longitudinal supports 3 are arranged above the first membrane frame 14 and the second membrane frame 15, the longitudinal supports 3 enable the MBR membrane filaments 4 to be vertical in the sewage tank 13, the contact area between the MBR membrane filaments and sewage is increased, the sewage single-removing efficiency is higher, and the top end transverse frame 17 is arranged above the longitudinal supports 3.

Furthermore, a water collecting main pipe 5 is arranged on the inner side of the top end cross frame 17, the water collecting main pipe 5 collects water collected in the MBR membrane wires 4 together, and a membrane connecting block 11 is arranged below the water collecting main pipe 5.

Specifically, connect the both sides of membrane piece 11 and all install couple 7, and connect the bottom of membrane piece 11 to install MBR membrane silk 4, MBT membrane silk 4 adopts PVDF as the membrane material, and even coating has outstanding physical stability and chemical stability on crossing water hole 22 surface, and water hole 22 has been seted up to MBR membrane silk 4's inside.

It is worth to explain that the surface wall of MBR membrane silk 4 is provided with clearance strip 20, and the inner wall of clearance strip 20 has seted up the fenestra 21, and fenestra 21 and MBR membrane silk 4 phase-match, and pivot 19 is still installed in the both sides of clearance strip 20, and one side of pivot 19 is installed and is hung knot 18, hangs knot 18 and couple 7 phase-match, hangs knot 18 and detains on couple 7, makes the condition that cleaning strip 20 dropped can be being fixed in the below that connects membrane piece 11, avoids cleaning strip 20.

Further, the top of collecting main 5 is connected with outlet pipe 6, and the top of outlet pipe 6 is connected with fortune water pipe 8, and the one end that outlet pipe 6 was kept away from to fortune water pipe 8 is provided with clear water entry 10, and clear water entry 10 keeps away from one side of fortune water pipe 8 and is provided with clean water basin 9, takes out the sewage after the cleanness in clean water basin 9, can be used for other effects, has reduced the pollution that sewage brought.

The utility model discloses a theory of operation and use flow: when the utility model is used, the gate valve 1 is opened, sewage with treatment is put into the sewage tank 13 from the sewage inlet 2, the first membrane frame 14 and the second membrane frame 15 are put above the first chassis 12 and the second chassis 16, so that no dead angle can appear at the bottom end of the sewage tank 13, the sewage tank is very convenient to clean, the open water inlet channel of the MBR membrane filaments 4 can overcome the impact of high suspended matters and organic matters to remove the matters with larger particle diameters such as suspended matters, bacteria, colloid and particles in water, so as to clean impurities in the sewage, filter out clean water, then send the clean water to the header pipe 5 from the water through the water holes 22, the clean water moves to the water conveying pipe 8 through the water outlet pipe 6 under the action of air pressure, finally, the clean water is discharged into the clean water tank 9 from the clean water inlet 10, the turbidity is close to zero, the interception effect of the membrane is realized, so that microorganisms are completely intercepted in the sewage tank, a plurality of colloidal impurities can be attached to the surface wall of the MBR membrane filaments 4 after long-time use, ordinary washing efficiency is not high, influence purification efficiency, take off on couple 7 and hang knot 18, then slip the bottom from MBR membrane silk 4's top with plot strip 20, because MBR membrane silk is hugged closely to the fenestra 21, consequently, can fall the whole clearance of the gelatineous impurity of table wall, compare traditional manual clearance, its clean effect is better, and clean efficiently, the clearance is accomplished the back, it clears up strip 20 to shift up, rotate pivot 19, it can to hang knot 18 and hang on couple 7.

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

1. The utility model provides a device of MBR membrane biological denitrification, includes effluent water sump (13), its characterized in that: sewage inlet (2) have been seted up to effluent water sump (13) one side, and sewage inlet (2) keep away from one side of effluent water sump (13) and install gate valve (1), the inner wall welding of effluent water sump (13) has first chassis (12) and second chassis (16), and just first chassis (12) and second chassis (16) all are provided with two, are "well" word form and arrange, the table wall of first chassis (12) and second chassis (16) is provided with first membrane frame (14) and second membrane frame (15), and just first membrane frame (14) and second membrane frame (15) all are provided with two, are "well" word form and arrange.

2. The MBR membrane biological denitrification device of claim 1, wherein: the upper parts of the first film frame (14) and the second film frame (15) are provided with longitudinal supports (3), and top end cross frames (17) are arranged above the longitudinal supports (3).

3. The MBR membrane biological denitrification device of claim 2, wherein: the inner side of the top end transverse frame (17) is provided with a water collecting main pipe (5), and a membrane connecting block (11) is arranged below the water collecting main pipe (5).

4. The MBR membrane biological denitrification device of claim 3, wherein: connect the both sides of membrane piece (11) and all install couple (7), and connect the bottom of membrane piece (11) to install MBR membrane silk (4), water hole (22) have been seted up to the inside of MBR membrane silk (4).

5. The MBR membrane biological denitrification device of claim 4, wherein: the utility model discloses a MBR membrane silk, including MBR membrane silk (4), the table wall of MBR membrane silk (4) is provided with clearance strip (20), and the inner wall of clearance strip (20) has seted up fenestra (21), fenestra (21) and MBR membrane silk (4) phase-match, pivot (19) in addition are all installed to the both sides of clearance strip (20), and one side of pivot (19) is installed and is hung knot (18), hang knot (18) and couple (7) phase-match.

6. The MBR membrane biological denitrification device of claim 3, wherein: the top of collecting main pipe (5) is connected with outlet pipe (6), and the top of outlet pipe (6) is connected with fortune water pipe (8), the one end that outlet pipe (6) were kept away from in fortune water pipe (8) is provided with clear water entry (10), and the one side that fortune water pipe (8) were kept away from in clear water entry (10) is provided with clean water basin (9).