CN211419721U

CN211419721U - Immersed anaerobic MBR (membrane bioreactor) membrane treatment equipment

Info

Publication number: CN211419721U
Application number: CN201921539235.2U
Authority: CN
Inventors: 邵梅生; 许敏; 毛拴成
Original assignee: Jiangsu Qingquan Environmental Protection Group Co ltd
Current assignee: Jiangsu Qingquan Environmental Protection Group Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-09-04
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses an submergence formula anaerobism MBR membrane treatment facility belongs to the sewage treatment field, including anaerobic reactor, sewage treatment ware, immersed membrane module, aeration pipe, circulating pipe and marsh gas collecting pipe, immersed membrane module installs in the sewage treatment ware, anaerobic reactor's top is equipped with the marsh gas discharge pipe, is equipped with the connecting pipe on the marsh gas discharge pipe, and the one end of aeration pipe is connected on immersed membrane module, and the other end of aeration pipe is equipped with the aeration pump, and the connecting pipe is connected with the aeration pump, and circulating pipe and marsh gas collecting pipe's both ends are equallyd divide and are do not communicate on anaerobic reactor and sewage treatment ware, are equipped with the drain pipe on the immersed membrane module, are equipped with the suction pump on the drain pipe, still are equipped with the mud discharge pipe between anaerobic reactor and the sewage treatment ware, are. The utility model discloses a marsh gas erodees the MBR membrane element to not only having guaranteed that the MBR membrane goes out water stably, still having reduced area, reduced the running cost.

Description

Immersed anaerobic MBR (membrane bioreactor) membrane treatment equipment

Technical Field

The utility model belongs to the technical field of the plastics processing equipment and specifically relates to an submergence formula anaerobism MBR membrane treatment facility is related to.

Background

MBR membranes are commonly used in aerobic processes because they require air scouring to avoid fouling of the membrane surface. The traditional process mostly adopts A2O + MBR. Submerged anaerobic MBR membrane treatment equipment is a technology combining membrane separation technology and anaerobic biological treatment units. But due to low membrane flux of submerged anaerobic MBR membranes, clogging is easy. Anaerobic MBR membrane treatment equipment is different from traditional MBR membrane treatment equipment, and traditional MBR membrane treatment equipment adopts a large amount of air to wash the membrane surface, can reduce the dirty stifled of membrane surface to membrane flux is also great. The anaerobic process does not require oxygen and therefore cannot be flushed with air.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an submergence formula anaerobism MBR membrane treatment facility is in order to solve the problem that proposes in the above-mentioned background art.

The utility model provides an immersed anaerobic MBR membrane treatment device, which comprises an anaerobic reactor, a sewage treatment device, an immersed membrane assembly, an aeration pipe, a circulating water pipe and a methane collecting pipe, wherein the anaerobic reactor and the sewage treatment device are arranged at intervals, the immersed membrane assembly is arranged in the sewage treatment device, the top of the anaerobic reactor is provided with the methane discharging pipe, the methane discharging pipe is provided with a connecting pipe which is vertically arranged, one end of the aeration pipe runs through the sewage treatment device and is connected on the immersed membrane assembly, the other end of the aeration pipe is provided with an aeration pump, the connecting pipe is connected with the aeration pump, the two ends of the circulating water pipe and the methane collecting pipe are respectively communicated on the anaerobic reactor and the sewage treatment device, the immersed membrane assembly is provided with a drain pipe, one end of the drain pipe runs through the sewage treatment device, and the drain pipe is provided with, and a sludge discharge pipe for communicating the anaerobic reactor and the sewage treatment device is also arranged between the anaerobic reactor and the sewage treatment device, and a circulating pump and a sludge discharge pipe are arranged on the sludge discharge pipe.

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

the utility model discloses an anaerobic reactor lets sewage carry out anaerobic reaction in it and produces marsh gas, through carrying out the aeration operation to marsh gas, lets marsh gas wash the MBR membrane element of immersed membrane module to it is stable not only to have guaranteed that the MBR membrane goes out water, has still reduced area, reduces the running cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a partial cross-sectional view of the present invention;

reference numerals: the anaerobic reactor 1, a biogas discharge pipe 11, a connecting pipe 111, a sludge discharge pipe 12, a circulating pump 13, a sludge discharge pipe 14, a sewage treatment device 2, an immersed membrane module 3, a drain pipe 31, a suction pump 311, an aeration pipe 4, an aeration pump 41, a circulating water pipe 5 and a biogas collecting pipe 6.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

Referring to fig. 1 to 2, an embodiment of the present invention provides an immersed anaerobic MBR membrane treatment device, including an anaerobic reactor 1, a sewage treatment device 2, an immersed membrane module 3, an aeration pipe 4, a circulating water pipe 5 and a biogas collecting pipe 6, wherein the anaerobic reactor 1 and the sewage treatment device 2 are arranged at an interval, the immersed membrane module 3 is installed in the sewage treatment device 2, the top of the anaerobic reactor 1 is provided with a biogas discharge pipe 11, the biogas discharge pipe 11 is provided with a vertically arranged connecting pipe 111, one end of the aeration pipe 4 penetrates through the sewage treatment device 2 and is connected to the immersed membrane module 3, the other end of the aeration pipe 4 is provided with an aeration pump 41, the connecting pipe 111 is connected to the aeration pump 41, both ends of the circulating water pipe 5 and the biogas collecting pipe 6 are respectively communicated to the anaerobic reactor 1 and the sewage treatment device 2, the submerged membrane module 3 is provided with a drain pipe 31, one end of the drain pipe 31 penetrates through the sewage treatment device 2, the drain pipe 31 is provided with a suction pump 311, a sludge discharge pipe 12 for communicating the anaerobic reactor 1 and the sewage treatment device 2 is further arranged between the anaerobic reactor 1 and the sewage treatment device 2, and the sludge discharge pipe 12 is provided with a circulating pump 13 and a sludge discharge pipe 14.

The utility model discloses a theory of operation: sewage is led into an anaerobic reactor 1, the anaerobic reactor 1 carries out anaerobic reaction on the sewage to generate methane, the methane is collected and recycled through a methane discharge pipe 11, part of the methane is pumped into an immersed membrane component 3 through an aeration pump 41 to wash an MBR membrane element, the methane overflowing from a sewage processor 2 enters the anaerobic reactor 1 through a methane collection pipe 6 to be recycled, the sewage in the immersed membrane component 3 is filtered by an MBR membrane, the filtered sewage is pumped out from the drain pipe 31 by the suction pump 311, the sewage to be treated can be automatically supplemented into the sewage treatment device 2 by the circulating pump 13, the sludge impurities generated by the treatment of the immersed membrane module 3 and the sewage form a mixed liquid, the mixed liquid is returned to the anaerobic reactor 1 through the circulation pump 13 and the sludge discharge pipe 12, and during the return, sludge can be discharged from the sludge discharge pipe 14.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An immersed anaerobic MBR membrane treatment device is characterized in that: the anaerobic reactor comprises an anaerobic reactor (1), a sewage treatment device (2), an immersed membrane component (3), an aeration pipe (4), a circulating water pipe (5) and a methane collecting pipe (6), wherein the anaerobic reactor (1) and the sewage treatment device (2) are arranged at intervals, the immersed membrane component (3) is installed in the sewage treatment device (2), a methane discharge pipe (11) is arranged at the top of the anaerobic reactor (1), a connecting pipe (111) which is vertically arranged is arranged on the methane discharge pipe (11), one end of the aeration pipe (4) penetrates through the sewage treatment device (2) and is connected onto the immersed membrane component (3), an aeration pump (41) is arranged at the other end of the aeration pipe (4), the connecting pipe (111) is connected with the aeration pump (41), and the circulating water pipe (5) and the two ends of the methane collecting pipe (6) are respectively communicated with the anaerobic reactor (1) and the sewage treatment device (2), the anaerobic reactor is characterized in that a drain pipe (31) is arranged on the immersed membrane component (3), one end of the drain pipe (31) penetrates through the sewage treatment device (2), a suction pump (311) is arranged on the drain pipe (31), a sludge discharge pipe (12) for communicating the anaerobic reactor (1) and the sewage treatment device (2) is further arranged between the anaerobic reactor (1) and the sewage treatment device, and a circulating pump (13) and a sludge discharge pipe (14) are arranged on the sludge discharge pipe (12).