CN215208689U

CN215208689U - Small-size flexible membrane subassembly suitable for sewage treatment

Info

Publication number: CN215208689U
Application number: CN202120898961.4U
Authority: CN
Inventors: 谭新爱; 张超奇; 李昌谦; 刘嘉华
Original assignee: Dayu Environmental Protection Tianjin Co ltd
Current assignee: Dayu Rural Environmental Infrastructure Operation Service Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-12-17
Anticipated expiration: 2031-04-28

Abstract

The utility model provides a small flexible membrane component suitable for sewage treatment, a plurality of membrane elements and a plurality of socket sealing rings are sleeved on the outer wall of a central water collecting pipe and are alternately arranged, and the membrane elements are fixedly connected with the central water collecting pipe, the utility model is used for fixed membrane element, first baffle of central collector pipe both ends rigid coupling respectively and second baffle, install first dead lever, second dead lever between first baffle and the second baffle respectively, first dead lever, second dead lever respectively with every membrane element rigid coupling, central collector pipe both ends are still installed water collecting nozzle, end cap respectively, a be applicable to the small-size flexible membrane subassembly of sewage treatment, select advanced, reasonable, reliable processing technology for use, have installation dismantlement easy operation, management operation convenient to use, take up an area of for a short time, the expense is low, the membrane group independent assortment arranges, the style is nimble, can extensively be used for in rural sewage treatment integration equipment.

Description

Small-size flexible membrane subassembly suitable for sewage treatment

Technical Field

The utility model belongs to the technical field of sewage treatment, especially, relate to a be applicable to small-size flexible membrane subassembly of sewage treatment.

Background

MBR membrane biotechnology was originally proposed by Smith et al in the United states in the last 60 th century, is a brand-new technology organically combining membrane separation technology and biological sewage treatment technology, replaces a secondary sedimentation tank and a subsequent flocculation filtration system in the traditional activated sludge process, and is a reliable technology for realizing sewage recycling, wherein the effluent treated by a sewage treatment project built by adopting MBR technology completely meets the first-class A limit value of the national discharge standard and reaches the reclaimed water reuse standard.

The MBR process has high effluent standard and stably reaches the standard; the system has the advantages of high automation degree, realization of remote monitoring, modular design, compact structure, small occupied area and the like, and is applied to rural domestic sewage treatment systems. At present, 90 percent of membrane products for rural sewage treatment equipment in the market are hollow fiber membranes, and the membrane has the characteristics of high filling density, small occupied area, capability of on-line backwashing, low purchasing cost, short service life, poor pollution resistance and the like; compared with a hollow fiber membrane, the flat membrane is applied to the market by less than 10 percent, but has the characteristics of strong anti-fouling capability, long service life, high purchasing cost, large occupied area and the like; the flexible membrane developed based on the flat membrane has the advantages of the two membranes, has the characteristics of high filling density, small occupied area, moderate pollution resistance, low purchasing cost and the like, and is particularly suitable for rural sewage treatment project systems.

Disclosure of Invention

In view of this, the utility model aims at providing a be applicable to small-size flexible membrane module of sewage treatment to overcome prior art and take up an area of big, the cost is high, the unable independent assortment of membrane group arranges, the problem that the flexibility is low.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a be applicable to small-size flexible membrane subassembly of sewage treatment, including central collector pipe, the membrane element, the socket joint sealing ring, water collecting nozzle, the end cap, first dead lever, the second dead lever, first baffle and second baffle, central collector pipe outer wall cup joints a plurality of membrane elements and a plurality of socket joint sealing ring, and both set up in turn, and membrane element and central collector pipe rigid coupling, be used for fixed membrane element, central collector pipe both ends rigid coupling first baffle and second baffle respectively, install first dead lever between first baffle and the second baffle respectively, the second dead lever, first dead lever, the second dead lever respectively with every membrane element rigid coupling, water collecting nozzle, still install respectively at central collector pipe both ends.

Furthermore, the small flexible membrane component suitable for sewage treatment further comprises a first limiting part and a second limiting part of a spool-shaped structure, the outer wall of the first fixing rod is provided with the plurality of first limiting parts at equal intervals, the second fixing rod is externally provided with the plurality of second limiting parts, the left end of each membrane element is provided with a first limiting hole for fixedly connecting one first limiting part, and the right end of each membrane element is provided with a second limiting hole for fixedly connecting one second limiting part.

Furthermore, the small flexible membrane component suitable for sewage treatment also comprises a first rubber gasket, a second rubber gasket and a third rubber gasket, one end of a central water collecting pipe sequentially penetrates through the third rubber gasket, a first baffle plate and a first rubber gasket and then is provided with a water collecting nozzle, the other end of the central water collecting pipe sequentially penetrates through the third rubber gasket, the second baffle plate and a first rubber gasket and then is provided with a plug, two ends of a first fixed rod are respectively connected with the first baffle plate and the second baffle plate through first nuts, a second rubber gasket is respectively arranged between the first fixed rod and the first baffle plate and between the first fixed rod and the second baffle plate, two ends of a second fixed rod are respectively connected with the first baffle plate and the second baffle plate through second nuts, a second rubber gasket is respectively arranged between the second fixed rod and the first baffle plate and between the second fixed rod and the second baffle plate, the first fixing rod and the second fixing rod are respectively positioned at the left side and the right side of the central water collecting pipe.

Furthermore, the top surface of the socket sealing ring is alternately provided with a plurality of water passing grooves and slots along the inner ring direction, the bottom surface of the socket sealing ring is provided with a plurality of lugs which are in one-to-one correspondence with the slots along the inner ring direction, the slots between two adjacent sealing rings are embedded with the lugs, a plurality of water through holes are equidistantly arranged on the inner wall of the socket sealing ring, and the cross section of each water through hole is of an arc-shaped structure.

Furthermore, the membrane element comprises a first membrane, a flow guide net and a second membrane which are sequentially arranged from top to bottom, and the first membrane, the flow guide net and the second membrane are welded into an integral structure by adopting eddy current.

Furthermore, the first baffle plate and the second baffle plate are both made of PVC.

Furthermore, the first limiting part and the second limiting part are made of PE polyethylene materials.

Furthermore, the water collecting nozzle and the plug are made of PP polypropylene.

Furthermore, the central water collecting pipe is made of PVC polyvinyl chloride.

Compared with the prior art, a be applicable to small-size flexible membrane subassembly of sewage treatment have following beneficial effect:

(1) a be applicable to small-size flexible membrane subassembly of sewage treatment chooses for use advanced, reasonable, reliable processing technology, have installation dismantlement easy operation, management operation convenient to use, take up an area of for a short time, the expense is low, the membrane group independent assortment arranges, the pattern is nimble, can extensively be used for among the rural sewage treatment integration equipment.

(2) A be applicable to small-size flexible membrane subassembly of sewage treatment, confirm film element packing density through first locating part and second locating part, and structural the effect that plays reduction material quantity, reduce cost.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic view of a small flexible membrane module suitable for sewage treatment according to an embodiment of the present invention;

FIG. 2 is a sectional view of a small flexible membrane module for wastewater treatment according to an embodiment of the present invention;

fig. 3 is an enlarged cross-sectional view a according to an embodiment of the present invention;

fig. 4 is an enlarged cross-sectional view B according to an embodiment of the present invention;

fig. 5 is a first schematic view of a female seal ring according to an embodiment of the present invention;

fig. 6 is a second schematic view of the socket sealing ring according to the embodiment of the present invention.

Description of reference numerals:

1-a central water collection pipe; 2-a membrane element; 3-a first limit piece; 4-socket sealing ring; 41-limber holes; 42-a bump; 43-slot; 44-passing through a water tank; 5-water collecting nozzle; 6-plug; 7-a first fixing rod; 8-a second fixing rod; 9-a first baffle; 10-a second baffle; 11-a first rubber gasket; 12-a second rubber gasket; 13-third rubber gasket.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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 by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 6, a small flexible membrane module suitable for sewage treatment includes: the central water collecting pipe 1, the membrane element 2, the socket sealing ring 4, the water collecting nozzle 5, the plug 6, the first fixing rod 7, the second fixing rod 8, the first baffle 9 and the second baffle 10 (the first baffle 9 and the second baffle 10 are both of plate-shaped structures and are simple in structure and can be obtained by numerical control hole cutting), the membrane element 2 and the socket sealing ring 4 are sleeved on the outer wall of the central water collecting pipe 1 and are alternately arranged, the membrane element 2 is fixedly connected with the central water collecting pipe 1 and is used for fixing the membrane element 2, the first baffle 9 and the second baffle 10 are fixedly connected with two ends of the central water collecting pipe 1 respectively, the first fixing rod 7 and the second fixing rod 8 are respectively installed between the first baffle 9 and the second baffle 10, the first fixing rod 7 and the second fixing rod 8 are fixedly connected with each membrane element 2 respectively, the water collecting nozzle 5 and the plug 6 are also installed at two ends of the central water collecting pipe 1 respectively and are both in threaded connection, and the advanced water collecting nozzle 5 and the plug 6 are selected, Reasonable and reliable treatment process, simple operation of installation and disassembly, convenient management, operation and use, small occupied area, low cost, free combination and arrangement of membrane groups and flexible style, can be widely applied to rural sewage treatment integrated equipment, carries out welding tightness test before use, carries out air tightness test on the welding strength of the first membrane and the second membrane of the membrane element 2 and the welding tightness of the membrane stack by adopting professional detection equipment, and meets the design requirement of a detection result.

As shown in fig. 2-3, a small flexible membrane module suitable for sewage treatment further includes a first limiting member 3 and a second limiting member of a spool-shaped structure, a plurality of first limiting members 3 are equidistantly arranged on an outer wall of a first fixing rod 7, a plurality of second limiting members are respectively arranged on an outer wall of a second fixing rod 8, a first limiting hole for fixedly connecting one first limiting member 3 is arranged at a left end of each membrane element 2, a second limiting hole for fixedly connecting one second limiting member is arranged at a right end of each membrane element 2, the first limiting member 3 and the second limiting member are both used for providing limiting action for the membrane element 2, the filling density of the membrane element 2 is determined by the first limiting member 3 and the second limiting member, and the effects of reducing material consumption and cost are achieved structurally;

a small-sized flexible membrane component suitable for sewage treatment further comprises a first rubber gasket 11, a second rubber gasket 12 and a third rubber gasket 13 (playing a sealing role), one end of a central water collecting pipe 1 sequentially penetrates through the third rubber gasket 13, a first baffle 9 and a water collecting nozzle 5 installed behind the first rubber gasket 11, the other end of the central water collecting pipe 1 sequentially penetrates through the third rubber gasket 13, a second baffle 10 and a plug 6 installed behind the first rubber gasket 11, two ends of a first fixing rod 7 are respectively connected with the first baffle 9 and the second baffle 10 through first nuts, a second rubber gasket 12 is respectively arranged between the first fixing rod 7 and the first baffle 9 and between the first fixing rod 7 and the second baffle 10, two ends of a second fixing rod 8 are respectively connected with the first baffle 9 and the second baffle 10 through second nuts, and a part between the second fixing rod 8 and the first baffle 9, A second rubber gasket 12 is respectively arranged between the second fixing rod 8 and the second baffle 10, the first fixing rod 7 and the second fixing rod 8 are respectively arranged at the left side and the right side of the central water collecting pipe 1, and the first limiting part 3, the second limiting part, the first nut, the second nut, the first baffle 9 and the second baffle 10 are used for compressing the film elements 2.

As shown in fig. 5-6, the top surface of the socket sealing ring 4 is alternately provided with a plurality of water passing grooves 44 and slots 43 along the inner ring direction, the bottom surface of the socket sealing ring 4 is provided with a plurality of projections 42 corresponding to the slots 43 one by one along the inner ring direction, the slots 43 between two adjacent sealing rings 4 are embedded with the projections 42, the inner wall of the socket sealing ring 4 is equidistantly provided with a plurality of water through holes 41, the cross section of each water through hole 41 is of an arc structure, the slots 43 and the projections 42 are mainly tightly pressed, so that sludge is prevented from entering from the central hole of the diaphragm 2 (the central hole of the diaphragm 2 for passing through the projections 42 and the central water collecting pipe 1), and the water passing grooves 44 can effectively guide flow.

As shown in fig. 1-2, the membrane element 2 comprises a first membrane, a flow guide net and a second membrane which are sequentially arranged from top to bottom, and the first membrane, the flow guide net and the second membrane are welded into an integral structure by adopting an eddy current; the first membrane and the second membrane are both made of PVDF (polyvinylidene fluoride), so that the filtering quality is ensured; the first baffle 9 and the second baffle 10 are both made of PVC (polyvinyl chloride), so that the stability is ensured; the first limiting piece 3 and the second limiting piece are both made of PE polyethylene materials;

the water collecting nozzle 5 and the plug 6 are made of PP polypropylene, have chemical resistance, heat resistance, electrical insulation, good high-wear-resistance processing performance and the like, are hexagonal structures, and can be conveniently mounted and dismounted; the central water collecting pipe 1 is made of PVC polyvinyl chloride.

The utility model discloses a theory of operation: the staff leads to the collecting channel behind the water collecting nozzle 5 earlier, the water pump is installed to the collecting channel play water end, then throw into a sewage pond with a small-size flexible membrane subassembly suitable for sewage treatment, sewage filters through membrane element 2 earlier, after membrane element 2 filters sewage, the sewage after the filtration passes through the water passing groove 44 in inserting the sealing ring 4 with membrane element 2 is connected, water passing groove 44 will filter the water and collect central collecting pipe 9 in through the hole of crossing that is equipped with on central collecting pipe 9, the staff can pass through the suction of water pump, thereby with the sewage after the filtration treatment from central collecting pipe 9, after the water collecting nozzle 5, the water collecting channel income water end of flowing through in proper order, finally collect the sewage after the filtration treatment from the play water end of collecting channel, accomplish the work of producing water after the sewage filters.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a be applicable to small-size flexible membrane subassembly of sewage treatment which characterized in that: comprises a central water collecting pipe (1), membrane elements (2), socket sealing rings (4), a water collecting nozzle (5), a plug (6), a first fixing rod (7), a second fixing rod (8), a first baffle plate (9) and a second baffle plate (10), wherein a plurality of water passing holes are arranged on the outer wall of the central water collecting pipe (1) in a staggered manner, the outer wall of the central water collecting pipe (1) is sleeved with the membrane elements (2) and the socket sealing rings (4) and is alternately arranged, the membrane elements (2) are fixedly connected with the central water collecting pipe (1) and are used for fixing the membrane elements (2), the two ends of the central water collecting pipe (1) are fixedly connected with the first baffle plate (9) and the second baffle plate (10) respectively, the first fixing rod (7) and the second fixing rod (8) are respectively arranged between the first membrane element (9) and the second baffle plate (10), the first fixing rod (7) and the second fixing rod (8) are fixedly connected with each membrane element (2) respectively, the two ends of the central water collecting pipe (1) are respectively provided with a water collecting nozzle (5) and a plug (6).

2. The small-sized flexible membrane module suitable for sewage treatment according to claim 1, wherein: the device is characterized by further comprising a first limiting part (3) and a second limiting part which are of spool-shaped structures, wherein a plurality of first limiting parts (3) are equidistantly arranged on the outer wall of a first fixing rod (7), a plurality of second limiting parts are arranged on the outer wall of a second fixing rod (8), a first limiting hole for fixedly connecting one first limiting part (3) is formed in the left end of each membrane element (2), and a second limiting hole for fixedly connecting one second limiting part is formed in the right end of each membrane element (2).

3. The small-sized flexible membrane module suitable for sewage treatment according to claim 1, wherein: the water collecting device also comprises a first rubber gasket (11), a second rubber gasket (12) and a third rubber gasket (13), one end of a central water collecting pipe (1) sequentially penetrates through the third rubber gasket (13), a first baffle (9) and a first rubber gasket (11) to be installed with a water collecting nozzle (5), the other end of the central water collecting pipe (1) sequentially penetrates through the third rubber gasket (13), a second baffle (10) and a first rubber gasket (11) to be installed with a plug (6), two ends of a first fixing rod (7) are respectively connected with the first baffle (9) and the second baffle (10) through first nuts, a second rubber gasket (12) is respectively arranged between the first fixing rod (7) and the first baffle (9) and between the first fixing rod (7) and the second baffle (10), two ends of a second fixing rod (8) are respectively connected with the first baffle (9) and the second baffle (10) through second nuts, and a second rubber gasket (12) is respectively arranged between the second fixing rod (8) and the first baffle (9) and between the second fixing rod (8) and the second baffle (10), and the first fixing rod (7) and the second fixing rod (8) are respectively positioned at the left side and the right side of the central water collecting pipe (1).

4. The small-sized flexible membrane module suitable for sewage treatment according to claim 1, wherein: the top surface of the socket sealing ring (4) is alternately provided with a plurality of water passing grooves and slots along the inner ring direction, the bottom surface of the socket sealing ring (4) is provided with a plurality of lugs in one-to-one correspondence with the slots along the inner ring direction, the slots and the lugs between every two adjacent socket sealing rings (4) are embedded, a plurality of water through holes are arranged on the inner wall of the socket sealing ring (4) at equal intervals, and the cross section of each water through hole is of an arc-shaped structure.

5. The small-sized flexible membrane module suitable for sewage treatment according to claim 1, wherein: the membrane element (2) comprises a first membrane, a flow guide net and a second membrane which are sequentially arranged from top to bottom, and the first membrane, the flow guide net and the second membrane are welded into a whole by adopting an eddy current.

6. The small-sized flexible membrane module suitable for sewage treatment according to claim 1, wherein: the first baffle (9) and the second baffle (10) are both made of PVC.

7. The small-sized flexible membrane module suitable for sewage treatment according to claim 2, wherein: the first limiting part (3) and the second limiting part are both made of PE polyethylene materials.

8. The small-sized flexible membrane module suitable for sewage treatment according to claim 1, wherein: the water collecting nozzle (5) and the plug (6) are made of PP polypropylene.

9. The small-sized flexible membrane module suitable for sewage treatment according to claim 1, wherein: the central water collecting pipe (1) is made of PVC polyvinyl chloride.