CN219079228U

CN219079228U - MBR membrane module easy to clean

Info

Publication number: CN219079228U
Application number: CN202222768065.3U
Authority: CN
Inventors: 石川; 杨芳; 程杨明; 汪朝晖; 汪效祖; 崔朝亮
Original assignee: Chuzhou Jiuying Film Technology Co ltd
Current assignee: Chuzhou Jiuying Film Technology Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-05-26
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses an MBR membrane module easy to clean, which comprises: membrane shell, diaphragm, fixed shell, connecting rod, its characterized in that: each diaphragm is formed by transversely arranging a plurality of groups of diaphragm wires, the upper ends of the plurality of diaphragms are fixed in a diaphragm shell, the lower ends of the plurality of diaphragms are fixed in a fixed shell, a through hole is formed in the bottom of the fixed shell, and the bottoms of the plurality of diaphragms are detachably connected through a connecting rod through the through hole. On one hand, the utility model is not easy to deposit sludge hardening at the root in the use process. On the other hand, when the membrane module root is polluted, only the connecting rod needs to be taken out, the lower end of the membrane module is free to be opened, and impurities such as sludge at the membrane module root are easily removed through cleaning operations such as aeration, so that the whole membrane module is not required to be removed from the membrane frame, the operation is simple and convenient, the cleaning efficiency is improved, and the labor cost is saved.

Description

MBR membrane module easy to clean

Technical Field

The utility model relates to the technical field of MBR ultrafiltration membranes, in particular to an MBR membrane module easy to clean.

Background

In the running process of the ultrafiltration membrane equipment, the ultrafiltration membrane equipment is driven by a certain pressure to carry out filtration work, and along with continuous filtration of the ultrafiltration membrane equipment, pollutants are easily adsorbed and accumulated on the membrane surface layer (outside) and the membrane hole (internal structure) to block the membrane hole or form a filter cake layer on the surface of the membrane wire due to concentration polarization, so that pollution and blockage are gradually generated, and the water yield is gradually reduced. In general, in order to ensure the normal operation of the membrane module, contaminants are discharged through physical and chemical cleaning.

At present, MBR membranes adopt fixed glue casting at two ends of a plurality of membrane wires inside a membrane shell to form a curtain-type membrane assembly, and then are arranged on a membrane frame. The membrane wires in the membrane shell are large in filling density, the roots of the membrane wires are fixed together through pouring sealant, gaps are not formed between the membrane wires, and in the using and cleaning process, the water treatment process is controlled inaccurately or water supply is suddenly increased, so that the water treatment quantity is suddenly increased, at the moment, impurities such as sludge are easy to form hardening on the surfaces and the roots of the membrane wires, and impurities in the curtain-type membrane assembly and the root hardening are not easy to remove due to common aeration and backwashing. The curtain type membrane module can only be detached from the membrane frame for flushing, so that the membrane module is complex to disassemble and assemble, time and labor are wasted, the engineering quantity is large, and the cleaning efficiency is seriously affected.

Disclosure of Invention

The utility model aims to provide an MBR membrane module easy to clean, which solves the problems that an MBR membrane is easy to pollute and the membrane module is required to be detached from a membrane frame for flushing after the MBR membrane is polluted in the prior art, and is time-consuming and labor-consuming.

In order to solve the technical problems, the utility model provides the following technical scheme: an easy-to-clean MBR membrane module comprising: the membrane shell, the inside of membrane shell is provided with a plurality of groups of diaphragms and the diaphragm comprises a plurality of groups of membrane silk transverse arrangement, fixed connection between diaphragm and the membrane shell, a plurality of groups the bottom of diaphragm all is provided with fixed shell and fixed connection between fixed shell and the diaphragm, the bottom of fixed shell is provided with the through-hole, the inside of through-hole is provided with the connecting rod.

Preferably, the connecting rods are matched with the through holes, and the connecting rods penetrate through the groups of through holes.

Preferably, a plurality of grooves are formed in the connecting rod, and two ends of the connecting rod are fixedly connected with the outer membrane frame.

Preferably, the number of the grooves is 1 or more.

Preferably, the spacing of the grooves is 0.1-30cm.

Preferably, the membrane is embedded into the membrane shell and is fixedly connected with the membrane shell in a sealing manner through pouring sealant.

Preferably, the diaphragm is embedded into the fixed shell and is fixedly connected with the fixed shell in a sealing manner through pouring sealant.

Advantageous effects

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, one ends of a plurality of groups of diaphragms are glued and cast in the film shell and sealed, and the other ends of the plurality of groups of diaphragms are respectively provided with a fixed shell for fixing and sealing, and the fixed shells are fixedly connected with the film frame through connecting rods. On one hand, the membrane component structure is not easy to deposit impurities such as sludge at the root in the use process. On the other hand, when the membrane module root is polluted, only the connecting rod needs to be taken out, the lower end of the membrane module is free to be opened, and impurities such as sludge at the membrane module root are easily removed through cleaning operations such as aeration, so that the whole membrane module is not required to be removed from the membrane frame, the operation is simple and convenient, the cleaning efficiency is improved, and the labor cost is saved.

Drawings

FIG. 1 is a schematic of an MBR membrane module.

Fig. 2 is a schematic front view of the connecting rod.

Fig. 3 is a schematic view of an MBR membrane module connected by a connecting rod.

Fig. 4 is an enlarged view of a portion of the connection rod and through hole assembly.

The drawings are as follows: 1. membrane filaments; 2. a membrane shell; 3. a fixed case; 4. a through hole; 5. a connecting rod; 6. a groove.

Detailed Description

The technical scheme of the utility model is described in detail below with reference to the accompanying drawings.

See fig. 1-4: an easy-to-clean MBR membrane module comprising: the membrane shell 2, the inside of membrane shell 2 is provided with a plurality of membrane of group and each piece membrane comprises a plurality of membrane silk transverse arrangement of group, fixed connection between diaphragm 1 and the membrane shell 2, a plurality of groups each piece of diaphragm bottom of diaphragm 1 all is provided with fixed shell 3 and fixed connection between fixed shell 3 and the diaphragm 1, contain 1-10 rows of transverse arrangement's membrane silk in the fixed shell, and the bottom of fixed shell 3 is provided with through-hole 4, the quantity of through-hole can be a plurality of, the inside of through-hole 4 is provided with connecting rod 5.

The membranes are connected at one end through the connecting rod 5, a certain gap exists between the membranes, and impurities such as sludge are not easy to deposit.

Further, as shown in fig. 3: the connecting rods 5 are matched with the through holes 4, and the connecting rods 5 penetrate through the groups of through holes 4.

The mutual matching between the connecting rod 5 and the through hole 4 means that the cross section of the connecting rod is identical to the shape of the through hole and ensures that the connecting rod 5 can be passed through or taken out of the through hole 4.

Further, as shown in fig. 2-4: the inside of connecting rod 5 is provided with a plurality of recess 6 and connecting rod 5 passes through recess 6 and through-hole 4 fixed connection, and the quantity of recess is no less than 1, and the interval of recess is 0.1-30cm. The two ends of the connecting rod are fixedly connected with the external film frame or are fixed by adopting bolts, clamping grooves, retaining sheets and the like. When the root of the MBR membrane component is polluted and needs to be cleaned, the membrane is free to scatter after the connecting rod 5 is taken out from the through hole 4, so that the cleaning is convenient.

Further, the membrane is embedded into the membrane shell 2 and is fixedly connected with the membrane shell 2 in a sealing manner through pouring sealant. The diaphragm is embedded into the fixed shell 3 and is fixedly connected with the fixed shell 3 in a sealing manner through pouring sealant. The membrane is connected with the water collecting pipe after being connected with the membrane shell 2 through glue casting.

Further, a through hole may be provided inside the fixed case 3.

Further, the through hole 4 may be circular, square, or triangular.

A manufacturing method of an MBR membrane module easy to clean comprises the following steps:

(1) Sealing and plugging holes on two ends of the membrane wire to be glue-cast by using an adhesive so as to prevent pouring sealant from entering the hollow interior of the membrane wire during subsequent glue casting;

in this embodiment, the adhesive is one or more of paraffin, silica gel, epoxy resin, and polyurethane;

(2) Transversely arranging the membrane wires after hole blocking into M rows, longitudinally arranging the membrane wires into N rows, and respectively embedding two ends of the membrane wires into the fixed shell;

wherein M is between 1 and 1000, and N is between 1 and 10. In this embodiment, M is between 1 and 500 and N is between 1 and 3. The fixing shell is made of plastics with certain strength such as upvc and ABS.

(3) Pouring sealant for glue casting is respectively poured into the fixing shell, the height of the poured pouring sealant is lower than that of the fixing shell, and the film wire and the fixing shell are fixedly sealed through glue casting. Forming a curtain type membrane after the pouring sealant is solidified;

in this embodiment, the pouring sealant is one or more of silica gel, epoxy resin and polyurethane.

(4) Cutting off the end part of the fixing shell at one end of the membrane to expose the filtering membrane hole of the membrane wire for producing water during filtering;

(5) One end of each of the plurality of membrane cut-open fixing shells is adhered together by using an adhesive, so that the fixing shells are fixedly and hermetically connected;

(6) Embedding one end of the fixed shell into the membrane shell, and sealing the fixed shell and the membrane shell by using pouring sealant

The connecting rod installation process comprises the following steps: as shown in fig. 1-4; firstly, the connecting rod 5 passes through the through hole 4, then, the groove 6 of the connecting rod 5 is rotated downwards, the through hole 4 is clamped in the groove 6 of the connecting rod for fixed connection, the connecting rod 5 connects the through holes 4 of a plurality of MBR membrane modules together, at the moment, the upper end and the lower end of the membrane modules are all orderly arranged, and finally, the MBR membrane modules are installed on a membrane frame for use.

The disassembly process comprises the following steps: the connecting rod 5 is lifted upwards, the connecting rod 5 is rotated, the connecting rod 5 is taken out from the through hole, and at the moment, the lower end of the MBR membrane component is in a free-dispersed umbrella shape.

Easy cleaning principle: the membrane upper end in the MBR membrane module is glued and cast and fixed inside the membrane shell 2, and each piece of membrane is provided with a fixed shell 3 which is fixedly connected through a connecting rod 5, and a certain gap exists at the lower end of the membrane module, so that impurities such as sludge are not easy to deposit. When the pollution takes place, take out connecting rod 5 from the through-hole, MBR membrane module lower extreme will freely scatter, through cleaning operations such as aeration, get rid of impurity such as MBR membrane module root mud very easily, need not to demolish whole MBR membrane module from the membrane frame, easy and simple to handle improves cleaning efficiency, practices thrift the cost of labor.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the specific embodiments described above, and that the above specific embodiments and descriptions are provided for further illustration of the principles of the present utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims. The scope of the utility model is defined by the claims and their equivalents.

Claims

1. An easily wash MBR membrane module, its characterized in that: comprising the following steps: the membrane shell (2), the inside of membrane shell (2) is provided with a plurality of groups of diaphragms and diaphragm by a plurality of membrane silk transverse arrangement constitution, fixed connection between diaphragm (1) and membrane shell (2), a plurality of groups the bottom of diaphragm (1) all is provided with fixed shell (3) and fixed connection between fixed shell (3) and the diaphragm (1), the bottom of fixed shell (3) is provided with through-hole (4), the inside of through-hole (4) is provided with connecting rod (5).

2. The easy-to-clean MBR membrane assembly of claim 1, wherein: the connecting rod (5) penetrates through the plurality of groups of through holes (4).

3. The easy-to-clean MBR membrane assembly of claim 1, wherein: the inside of connecting rod (5) is provided with recess (6).

4. The easy-to-clean MBR membrane assembly of claim 3, wherein: the interval of the grooves is 0.1-30cm.

5. The easy-to-clean MBR membrane assembly of claim 3, wherein: the number of the grooves is more than or equal to 1.

6. The easy-to-clean MBR membrane assembly of claim 1, wherein: the membrane is embedded into the membrane shell and is fixedly connected with the membrane shell (2) in a sealing way through pouring sealant.

7. The easy-to-clean MBR membrane assembly of claim 1, wherein: the diaphragm is embedded into the fixed shell (3) and is fixedly connected with the fixed shell (3) in a sealing manner through pouring sealant.