CN215654709U

CN215654709U - Nanofiltration membrane for sewage treatment

Info

Publication number: CN215654709U
Application number: CN202122022053.1U
Authority: CN
Inventors: 沈娟; 赵宇辰; 韩娜
Original assignee: Jiangsu Longhua Environmental Technology Co ltd
Current assignee: Jiangsu Longhua Environmental Technology Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-01-28
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a nanofiltration membrane for sewage treatment, which comprises: the utility model discloses a filter membrane filter, including the filter membrane barrel, the filter membrane barrel is provided with the filter membrane barrel, the well inlay of barrel, the barrel inlays in the barrel be equipped with and receive the filter membrane barrel, just the barrel with the top and the bottom of receiving the filter membrane barrel are provided with upper end base and lower end base respectively, the external connection of barrel has out the water connecting pipe, upper end base bottom is provided with the center tube, and the center tube inlays to be established inside receiving the filter membrane barrel, the global of center tube is provided with a plurality of apopores, be provided with the blowdown subassembly on the lower end base, and the lower end base top rotates and is provided with buffering clearance subassembly. According to the utility model, the buffering and cleaning assembly is arranged at the top of the lower end seat, and the water flow sprayed from the water outlet hole on the central tube is buffered by the plurality of blades on the buffering and cleaning assembly, so that the impact damage to the nanofiltration membrane cylinder is prevented, and the service life of the nanofiltration membrane cylinder is prolonged.

Description

Nanofiltration membrane for sewage treatment

Technical Field

The utility model relates to the technical field of nanofiltration membranes, in particular to a nanofiltration membrane for sewage treatment.

Background

Nanofiltration membranes have a pore size of 1nm or more, generally 1 to 2nm, are functional semipermeable membranes that allow the transmission of solvent molecules, certain low molecular weight solutes or low valent ions, and are used for removing organic substances and color in surface water, removing hardness of groundwater, partially removing soluble salts, concentrating fruit juices, separating useful substances in pharmaceuticals, and the like.

If the publication number is CN208389792U, the name is a nanofiltration membrane utility model, the concrete structure of the nanofiltration membrane utility model comprises a central tube, a guide net, a plurality of water production nets and a plurality of membrane layer groups; the guide net is wrapped around the central pipe, and one end of the guide net is axially fixed on the outer wall of the central pipe along the central pipe; the water production net is wrapped around the central pipe and arranged between the guide net and the central pipe; and one membrane layer set is arranged between every two adjacent water production nets, the membrane layer set surrounds and wraps the outside of the central pipe, and the pipe wall of the central pipe is uniformly distributed to form a plurality of water through holes.

Receive filter membrane weak point among the prior art including the above-mentioned application lie in, current receive filter membrane supplies water through the center tube and filters, but the water outlet on the center tube easily appears when supplying water and causes the impact damage to receiving the filter membrane to influence and receive filter membrane filter effect and life, when washing the receive filter membrane simultaneously, only supply water through the center tube and cooperate the blowdown subassembly to carry out the blowdown, the clearance mode is simple, and the clearance effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a nanofiltration membrane for sewage treatment, which aims to overcome the defects in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: a nanofiltration membrane for wastewater-based treatment, comprising: the nanofiltration membrane device comprises a cylinder shell, a nanofiltration membrane cylinder is embedded in the cylinder shell, an upper end seat and a lower end seat are respectively arranged at the top end and the bottom end of the cylinder shell and the nanofiltration membrane cylinder, and a water outlet connecting pipe is connected to the outside of the cylinder shell; the bottom of the upper end seat is provided with a central tube which is embedded in the nanofiltration membrane cylinder, and the peripheral surface of the central tube is provided with a plurality of water outlet holes; the lower end seat is provided with a sewage discharge assembly, the top of the lower end seat is rotatably provided with a buffer cleaning assembly, the bottom of the lower end seat is further provided with a driving mechanism, and the driving mechanism is in transmission connection with the buffer cleaning assembly.

As a further description of the above technical solution:

and a water inlet connecting pipe is connected to the outer part of the upper end seat and is communicated with the central pipe.

As a further description of the above technical solution:

the blowdown subassembly is including setting up the blow off pipe in lower extreme seat bottom central point department of putting, evenly seted up the blowdown interface on the lower extreme seat top week side, and the blowdown interface with the blow off pipe intercommunication, still be connected with the connecting branch pipe on the blow off pipe.

As a further description of the above technical solution:

buffering clearance subassembly includes the carousel, the top of carousel has circularized to arrange a plurality of blades, and is a plurality of the blade distribute with the side all around of center tube.

As a further description of the above technical solution:

an annular frame is fixed between the top ends of the blades and is rotatably connected to the bottom of the upper end seat.

As a further description of the above technical solution:

the bottom of the rotary table is vertically fixed with a connecting shaft, and the connecting shaft penetrates through the sewage discharge pipe and extends to the outer side along the rotary table.

As a further description of the above technical solution:

the driving mechanism comprises a joint seat connected to the outer side of the lower end seat, a driving motor is arranged inside the joint seat, and the driving motor is in transmission connection with the connecting shaft through a coupler.

The utility model provides a nanofiltration membrane for sewage treatment. The method has the following beneficial effects:

this receive filter membrane based on sewage treatment usefulness, top through at the lower extreme seat sets up buffering clearance subassembly, a plurality of blades on the buffering clearance subassembly realize buffering the rivers that apopore sprays on the center tube, prevent to lead to the fact impact damage to receiving the filter membrane barrel, improve the life of receiving the filter membrane barrel, simultaneously when receiving the filter membrane barrel and clear up, can drive buffering clearance subassembly through actuating mechanism and rotate, a plurality of blades on the clearance subassembly drive and receive the inside rivers rotation washing clearance of filter membrane barrel, the realization is washed inside the filter membrane barrel comprehensively, show and improve abluent effect, the life of extension filter membrane barrel.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a nanofiltration membrane for sewage treatment according to the present invention;

FIG. 2 is a schematic structural diagram of a buffer cleaning assembly according to the present invention;

FIG. 3 is a schematic view of the driving mechanism of the present invention;

FIG. 4 is a schematic view of the connection structure of the vane and the turntable.

Illustration of the drawings:

1. a barrel housing; 11. a water outlet connecting pipe; 2. a nanofiltration membrane cylinder; 3. an upper end seat; 31. a water inlet connecting pipe; 32. a central tube; 33. a water outlet hole; 4. a lower end seat; 5. a blowdown assembly; 51. a blow-off pipe; 52. a sewage draining interface; 53. connecting branch pipes; 6. a buffer cleaning assembly; 61. a turntable; 62. a connecting shaft; 63. a blade; 64. an annular frame; 7. a drive mechanism; 71. a joint base; 72. the motor is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a nanofiltration membrane for wastewater-based treatment, comprising: a nanofiltration membrane cylinder 2 is embedded in the cylinder shell 1, an upper end seat 3 and a lower end seat 4 are respectively arranged at the top end and the bottom end of the cylinder shell 1 and the nanofiltration membrane cylinder 2, and a water outlet connecting pipe 11 is connected outside the cylinder shell 1; the bottom of the upper end seat 3 is provided with a central tube 32, the central tube 32 is embedded in the nanofiltration membrane cylinder 2, and the circumferential surface of the central tube 32 is provided with a plurality of water outlet holes 33; be provided with blowdown subassembly 5 on the lower extreme seat 4, and lower extreme seat 4 top is rotated and is provided with buffering clearance subassembly 6, and the bottom of lower extreme seat 4 still is provided with actuating mechanism 7, and actuating mechanism 7 is connected with the transmission of buffering clearance subassembly 6, and the external connection of upper end seat 3 has into water connecting pipe 31, and into water connecting pipe 31 and center tube 32 intercommunication. The buffering cleaning assembly 6 comprises a rotary disc 61, a plurality of blades 63 are annularly arranged at the top of the rotary disc 61, the plurality of blades 63 are distributed on the periphery of the central tube 32, an annular frame 64 is fixed between the top ends of the plurality of blades 63, and the annular frame 64 is rotatably connected to the bottom of the upper end seat 3.

Specifically, barrel casing 1 and receive filter membrane barrel 2 and be both ends and have the cylindric structure of open-ended, barrel casing 1's length is greater than the length of receiving filter membrane barrel 2, it establishes in barrel casing 1 to receive filter membrane barrel 2 to inlay, and be fixed with upper end base 3 between barrel casing 1 and the top of receiving filter membrane barrel 2, upper end base 3 is used for sealing up barrel casing 1 and the top of receiving filter membrane barrel 2, be fixed with lower end base 4 between barrel casing 1 and the bottom of receiving filter membrane barrel 2, seal up barrel casing 1 and the top of receiving filter membrane barrel 2 on the lower end base 4, it has the clearance to receive between filter membrane barrel 2 outside and the barrel casing 1.

This receive filter membrane based on sewage treatment usefulness carries out filtration treatment to sewage when, pour into sewage into center tube 32 through connecting pipe 31 of intaking, then send into sewage by apopore 33 on the center tube 32 and receive inside filter membrane barrel 2, filter through receiving filter membrane barrel 2 and make the water after handling get into between filter membrane barrel 2 outside and the barrel casing 1, 11 discharges of the water connecting pipe of rethread barrel casing 1 outside, top through at end base 4 sets up buffering clearance subassembly 6, a plurality of blades 63 on the buffering clearance subassembly 6 realize carrying out the buffering to apopore 33 water jet on center tube 32, prevent to receive filter membrane barrel 2 and cause the impact damage, improve the life who receives filter membrane barrel 2.

The sewage discharging assembly 5 comprises a sewage discharging pipe 51 arranged at the center of the bottom of the lower end seat 4, a sewage discharging interface 52 is uniformly arranged on the periphery of the top of the lower end seat 4, the sewage discharging interface 52 is communicated with the sewage discharging pipe 51, and a connecting branch pipe 53 is further connected to the sewage discharging pipe 51. The annular frame 64 is rotatably connected to the bottom of the upper base 3, the connecting shaft 62 is vertically fixed to the bottom of the rotary disc 61, and the connecting shaft 62 penetrates through the sewage pipe 51 and extends to the outer side along the rotary disc 61. The driving mechanism 7 comprises a joint seat 71 connected to the outer side of the lower end seat 4, a driving motor 72 is arranged inside the joint seat 71, and the driving motor 72 is in transmission connection with the connecting shaft 62 through a coupler.

When wasing the inside of receiving filter membrane barrel 2, open blowdown subassembly 5's switch, then will wash water through connecting pipe 31 of intaking and pour into the center tube 32, then send into by apopore 33 on the center tube 32 and receive filter membrane barrel 2 inside with wasing water, drive connecting axle 62 through driving motor 72 cooperation shaft coupling and rotate simultaneously, connecting axle 62 drives a plurality of blades 63 on the buffering clearance subassembly 6 and rotates in receiving filter membrane barrel 2 is inside, a plurality of blades 63 drive and receive filter membrane barrel 2 inside rivers rotation washing clearance, the realization is washed 2 insides of receiving filter membrane barrel comprehensively, show and improve abluent effect, the life of extension receiving filter membrane barrel 2, water after the washing enters into blow off pipe 51 through blowdown interface 52, finally discharge through connecting branch pipe 53.

Further, driving motor 72 is two-way rotation motor, realizes through driving motor 72 that a plurality of blades 63 on the drive buffering clearance subassembly 6 are at the inside two-way rotation of nanofiltration membrane barrel 2, further improves the inside clearance effect to nanofiltration membrane barrel 2.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A nanofiltration membrane for sewage treatment is characterized by comprising: the nanofiltration membrane filter comprises a cylinder shell (1), wherein a nanofiltration membrane cylinder (2) is embedded in the cylinder shell (1), an upper end base (3) and a lower end base (4) are respectively arranged at the top end and the bottom end of the cylinder shell (1) and the nanofiltration membrane cylinder (2), and a water outlet connecting pipe (11) is connected to the outside of the cylinder shell (1);

a central pipe (32) is arranged at the bottom of the upper end seat (3), the central pipe (32) is embedded in the nanofiltration membrane cylinder body (2), and a plurality of water outlet holes (33) are formed in the peripheral surface of the central pipe (32);

be provided with blowdown subassembly (5) on lower end seat (4), and lower end seat (4) top is rotated and is provided with buffering clearance subassembly (6), the bottom of lower end seat (4) still is provided with actuating mechanism (7), and actuating mechanism (7) and buffering clearance subassembly (6) transmission are connected.

2. Nanofiltration membrane for sewage treatment according to claim 1, wherein a water inlet connecting pipe (31) is connected to the outside of the upper end seat (3), and the water inlet connecting pipe (31) is communicated with the central pipe (32).

3. The nanofiltration membrane for sewage treatment according to claim 1, wherein the sewage draining assembly (5) comprises a sewage draining pipe (51) arranged at the central position of the bottom of the lower end seat (4), sewage draining connectors (52) are uniformly arranged on the periphery of the top of the lower end seat (4), the sewage draining connectors (52) are communicated with the sewage draining pipe (51), and a connecting branch pipe (53) is further connected to the sewage draining pipe (51).

4. Nanofiltration membrane for sewage treatment according to claim 1, wherein the buffer cleaning assembly (6) comprises a rotary disc (61), the top of the rotary disc (61) is annularly provided with a plurality of blades (63), and the plurality of blades (63) are distributed around the central tube (32).

5. Nanofiltration membrane for sewage treatment according to claim 4, wherein an annular frame (64) is fixed between the top ends of the blades (63), and the annular frame (64) is rotatably connected to the bottom of the upper end seat (3).

6. Nanofiltration membrane for sewage treatment according to claim 4, wherein a connecting shaft (62) is vertically fixed at the bottom of the rotary disc (61), and the connecting shaft (62) penetrates through the sewage pipe (51) and extends to the outside along the rotary disc (61).

7. Nanofiltration membrane for sewage treatment according to claim 6, wherein the driving mechanism (7) comprises a joint seat (71) connected to the outer side of the lower end seat (4), and a driving motor (72) is arranged inside the joint seat (71), and the driving motor (72) is in transmission connection with the connection shaft (62) through a coupler.