CN217921568U

CN217921568U - Inside and outside combination formula of microfiltration membrane washes filter equipment

Info

Publication number: CN217921568U
Application number: CN202221742769.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Beijing Heguang Dongsheng Environmental Protection Technology Co ltd
Current assignee: Beijing Heguang Dongsheng Environmental Protection Technology Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-11-29
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses an inside and outside combined type washing and filtering device for a microfiltration membrane, which comprises a device shell, wherein a microfiltration membrane and a flow impeller are arranged inside the device shell, the flow impeller pushes a water body to move in the device shell, and the solid particles attached to the outer surface of the microfiltration membrane are washed away by water flow stirred by the flow impeller, so that the washing work of the outside of the microfiltration membrane is realized; through the work of the water pump, the water body is filtered by the micro-filtration membrane and then is discharged from the water outlet; be provided with the second connecting pipe between a plurality of connecting pipes, be provided with the third connecting pipe between second connecting pipe and the second conduit, the water pump utilizes the water after a plurality of outlet filters, washes one or more microfiltration membrane wherein from inside to outside, realizes the inside work of washing of microfiltration membrane. The device has compact structure, does not need to additionally increase internal flushing equipment, and reduces investment and maintenance operation cost.

Description

Inside and outside combination formula of microfiltration membrane washes filter equipment

Technical Field

The utility model relates to a microfiltration membrane filter equipment technical field, the concrete field is a filtration device is washed to interior outer combination formula of microfiltration membrane.

Background

At present, various filtering membranes are widely used in application scenes requiring filtering in industrial and domestic sewage and wastewater or other industrial fields. According to the form of the membrane, the membrane comprises a flat membrane, a tubular membrane, a roll-type membrane and a hollow fiber membrane; there are microfiltration Membrane (MF), ultrafiltration membrane (UF), nanofiltration membrane (NF) and reverse osmosis membrane (RO) according to the pore size of the micropores, and the microfiltration membrane generally means a filtration membrane having a filtration pore size of 0.1 to 1 μm. The film-forming materials are classified into inorganic films and organic polymer films, the inorganic films are classified into ceramic films and metal films, and the organic polymer films are classified into natural polymer films and synthetic polymer films. The filtration membrane is subject to clogging during use and needs to be cleaned in various ways.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inside and outside combination formula of microfiltration membrane washes filter equipment to the interior external washing is carried out to the microfiltration membrane to simple and convenient form, improves the microfiltration membrane result of use.

In order to achieve the above object, the utility model provides a following technical scheme: the inside and outside combined type microfiltration membrane washing and filtering device comprises a device shell, wherein a microfiltration membrane and a flow impeller are arranged inside the device shell, the flow impeller pushes a water body to move in the device, and solid particles attached to the outer surface of the microfiltration membrane are washed by water flow stirred by the flow impeller so as to realize washing work on the outside of the microfiltration membrane; the device comprises a device shell, and is characterized in that a water pump is arranged on the outer side of the device shell, two water inlet ends and two water outlet ends of the water pump are respectively connected with a first water pipeline and a second water pipeline, first connecting pipes are connected to the first water pipeline and the second water pipeline, the first connecting pipes are connected with a micro-filtration membrane, water outlets are formed in the end portions of the first connecting pipes, water is discharged from the water outlets after being filtered by the micro-filtration membrane through the operation of the water pump, second connecting pipes are arranged among the connecting pipes, a third connecting pipe is arranged between the second connecting pipes and the second water pipeline, valves are arranged on the first water pipeline, the second water pipeline, the first connecting pipes, the second connecting pipes and the third connecting pipes, and the water pump can flush one or more micro-filtration membranes from inside to outside by utilizing water filtered by the water outlets, so that the internal flushing work of the micro-filtration membranes is realized.

Preferably, the flow pusher pushes the water body to move in the device shell, so as to flush solid particles attached to the microfiltration membrane, and the microfiltration membrane can be flushed and filtered while being in a dynamic process.

Preferably, the first water pipe is connected with two first connecting pipes, the second water pipe is connected with one first connecting pipe, the valve on one first connecting pipe connected with the first water pipe is a valve six, the valve on the first connecting pipe connected with the second water pipe is a valve four, the valves on the two second connecting pipes are a valve one and a valve two, respectively, and the valves on the two third connecting pipes are a valve three and a valve five, respectively.

Preferably, the valves located in the first water pipeline and the second water pipeline are a water inlet valve and a water discharge valve respectively.

Preferably, a sewage draining valve is arranged at the bottom of the device shell and used for draining sewage at the bottom of the device shell.

Compared with the prior art, the beneficial effects of the utility model are that: a micro-filtration membrane and a flow pusher are arranged in the device, the flow pusher pushes a water body to move in the device, and the water flow stirred by the flow pusher washes solid particles attached to the outer surface of the micro-filtration membrane to realize the washing work of the outer part of the micro-filtration membrane; the device outside is provided with the water pump, two of water pump advance, it is connected with first conduit and second conduit respectively to go out the water end, all be connected with first connecting pipe on first conduit and the second conduit, first connecting pipe is connected with the microfiltration membrane, the tip of first connecting pipe is provided with the outlet, work through the water pump, the water discharges from the outlet after the microfiltration membrane filters, be provided with the second connecting pipe between a plurality of connecting pipes, be provided with the third connecting pipe between second connecting pipe and the second conduit, first conduit, the second conduit, first connecting pipe, all be provided with the valve on second connecting pipe and the third connecting pipe, the water pump utilizes the water after a plurality of outlets filter, wash one or more microfiltration membrane among them from inside to outside, realize the inside washing work of microfiltration membrane.

Drawings

FIG. 1 is a front view of the main structure of the present invention;

fig. 2 is a left side view of the main structure of the present invention.

In the figure: 1-device shell, 2-microfiltration membrane, 3-flow pusher, 4-water pump, 5-first water pipeline, 6-first water pipeline, 7-first connecting pipe, 8-water outlet, 9-second connecting pipe, 10-third connecting pipe, 111-water inlet valve, 112-water discharge valve, 113-valve I, 114-valve II, 115-valve III, 116-valve IV, 117-valve V, 118-valve VI and 12-sewage discharge valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Example (b):

referring to fig. 1-2, the present invention provides the following technical solutions: a microfiltration membrane internal and external combined type flushing and filtering device comprises a device shell 1, wherein a microfiltration membrane 2 and a flow impeller 3 are arranged inside the device shell 1, the flow impeller 3 pushes a water body to move in the device shell 1, and solid particles attached to the outer surface of the microfiltration membrane 2 are flushed by water flow stirred by the flow impeller 3, so that the flushing work on the outer part of the microfiltration membrane is realized; a water pump 4 is arranged on the outer side of the device shell 1, two water inlet and outlet ends of the water pump 4 are respectively connected with a first water conveying pipeline 5 and a second water conveying pipeline 6, the first water conveying pipeline 5 and the second water conveying pipeline 6 are both connected with a first connecting pipe 7, the first connecting pipe 7 is connected with the micro-filtration membrane 2, a water outlet 8 is arranged at the end part of the first connecting pipe 7, water is discharged from the water outlet 8 after being filtered by the micro-filtration membrane 2 through the work of the water pump 4, a second connecting pipe 9 is arranged between the connecting pipes 7, and a third connecting pipe 10 is arranged between the second connecting pipe 9 and the second water conveying pipeline 6, the device is characterized in that valves are arranged on the first water conveying pipeline 5, the second water conveying pipeline 6, the first connecting pipe 7, the second connecting pipe 9 and the third connecting pipe 10, the water pump 4 utilizes water filtered by the water outlets 8 to flush one or more microfiltration membranes 2 from inside to outside, so that the internal flushing work of the microfiltration membranes is realized, the device is compact in structure, no additional internal flushing equipment is needed, the investment and maintenance operation cost is reduced, particularly, the impeller 3 pushes a water body to move in the device shell 1 to flush solid particles attached to the microfiltration membranes 2, and the microfiltration membranes 2 can be flushed and filtered while being dynamically processed.

Specifically, the first water pipe 5 is connected with two first connecting pipes 7, the second water pipe 6 is connected with one first connecting pipe 7, the valve on one first connecting pipe 7 connected with the first water pipe 5 is a valve six 118, the valve on the first connecting pipe 7 connected with the second water pipe 6 is a valve four 116, the valves on the two second connecting pipes 9 are a valve first 113 and a valve second 114, respectively, and the valves on the two third connecting pipes 10 are a valve third 115 and a valve fifth 117, respectively.

Specifically, the valves located in the first water pipe 5 and the second water pipe 6 are a water inlet valve 111 and a water outlet valve 112, respectively.

Specifically, the bottom of the device is provided with a sewage valve 12, and the sewage valve 12 is used for sewage at the bottom of the device.

The working principle is as follows: a microfiltration membrane 2 and a flow impeller 3 are arranged inside the device shell 1, a water body is pushed to move in the device shell 1 through the flow impeller 3, and solid particles attached to the outer surface of the microfiltration membrane 2 are washed by water flow stirred by the flow impeller 3, so that the external washing work of the microfiltration membrane is realized; the device comprises a shell 1, a water pump 4 is arranged on the outer side of the shell, two water inlet and outlet ends of the water pump 4 are respectively connected with a first water pipeline 5 and a second water pipeline 6, a first connecting pipe 7 is connected to the first water pipeline 5 and the second water pipeline 6, the first connecting pipe 7 is connected with a microfiltration membrane 2, a water outlet 8 is formed in the end portion of the first connecting pipe 7, the water pump 4 works to enable water to be discharged from the water outlet 8 after being filtered by the microfiltration membrane 2, a second connecting pipe 9 is arranged between the connecting pipes 7, a third connecting pipe 10 is arranged between the second connecting pipe 9 and the second water pipeline 6, the first water pipeline 5, the second water pipeline 6, the first connecting pipe 7, the second connecting pipe 9 and the third connecting pipe 10 are respectively provided with a valve, the water pump 4 utilizes the water filtered by the water outlets 8 to wash one or more microfiltration membranes 2 from inside to outside, and the interior washing work of the microfiltration membranes is achieved.

The specific working process is as follows:

and (3) filtering and draining: and the third valve 115, the fourth valve 116, the fifth valve 117 and the sixth valve 118 are closed, the water inlet valve 111, the water discharge valve 112, the first valve 113 and the second valve 114 are opened, and at the moment, the water filtered in the microfiltration membrane 2 is discharged from the water discharge valve 112 through the process pipeline shown in the figure 1 by the water pump 4.

And (3) washing the interior of the microfiltration membrane:

as shown in FIG. 1, when the microfiltration membrane 2 connected to the first drain port 8 (left side) is internally flushed, the second valve 114, the third valve 115 and the sixth valve 118 are opened, and the rest is closed, so that the water flows through the water pump 4 to flush the microfiltration membrane 2.

As shown in fig. 1, when the internal back flushing is performed on the microfiltration membrane 2 connected to the second (middle) drainage port 8 (middle), the method is performed in a "two-suction and one-flushing" manner, the water inlet valve 111, the valve four 116, and the valve six 118 are opened, the remaining valves are closed, and the water flow flushes the microfiltration membrane 2 from inside to outside through the water pump 4, so that the internal flushing operation of the microfiltration membrane is realized.

As shown in fig. 1, when the microfiltration membrane 2 connected to the third drain port 8 (right side) is internally flushed, the water inlet valve 111, the first valve 113, and the fifth valve 117 are opened, and the rest are closed, so that the water flow passes through the water pump 4 to internally flush the microfiltration membrane 2.

The number of the water outlets 8 is not limited to 3, and the switching mode for flushing different microfiltration membranes 2 includes various combination modes such as ' two-suction and one-flushing ', three-suction and one-flushing ', four-suction and one-flushing ', more-suction and less-flushing '.

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 inner and outer combined type washing and filtering device of the micro-filtration membrane is characterized in that: the device comprises a device shell (1), wherein a microfiltration membrane (2) and a flow impeller (3) are arranged inside the device shell (1), and a water body is pushed to move in the device shell (1) through the flow impeller (3); the device is characterized in that a water pump (4) is arranged on the outer side of the device shell (1), two water inlet ends and two water outlet ends of the water pump (4) are respectively connected with a first water conveying pipeline (5) and a second water conveying pipeline (6), first connecting pipes (7) are connected to the first water conveying pipeline (5) and the second water conveying pipeline (6), the first connecting pipes (7) are connected with the micro-filtration membrane (2), water outlets (8) are formed in the end portions of the first connecting pipes (7), second connecting pipes (9) are arranged between the first connecting pipes (7), third connecting pipes (10) are arranged between the second connecting pipes (9) and the second water conveying pipeline (6), and valves are arranged on the first water conveying pipeline (5), the second water conveying pipeline (6), the first connecting pipes (7), the second connecting pipes (9) and the third connecting pipes (10).

2. The microfiltration membrane internal-external combined flushing and filtering device according to claim 1, wherein: the water body is pushed to move in the device shell (1) by the flow pusher (3).

3. The microfiltration membrane internal-external combined flushing and filtering device according to claim 1, wherein: the spatial structure of the device shell (1) is three-dimensional or horizontal; the appearance structure is characterized by being one of a cuboid, an elliptic cylinder and a sphere; the used material is one of stainless steel, carbon steel or glass fiber reinforced plastic; the structure form is one of open type, closed type, independent type, vehicle-mounted type or traction type.

4. The combined inner and outer microfiltration membrane flushing and filtering device according to claim 1, wherein: the first water conveying pipeline (5) is connected with two first connecting pipes (7), and the second water conveying pipeline (6) is connected with one first connecting pipe (7).

5. The microfiltration membrane internal-external combined flushing and filtering device according to claim 1, wherein: the valves positioned in the first water conveying pipeline (5) and the second water conveying pipeline (6) are a water inlet valve (111) and a water discharge valve (112) respectively.

6. The microfiltration membrane internal-external combined flushing and filtering device according to claim 2, wherein the flow impeller (3) can be one of a jet device, an agitator or a submersible pump, the flow impeller (3) pushes water to move in the device shell (1), and the microfiltration membrane (2) can be flushed and filtered while being washed outside in a dynamic process, so that particles are prevented from blocking the surface of the microfiltration membrane, and the filtering efficiency is improved.

7. The combined inner and outer microfiltration membrane washing and filtering device according to claim 1, wherein the interior washing operation of the microfiltration membrane is realized by switching between valves and washing one or more microfiltration membranes (2) from inside to outside by the water pump (4) using water filtered by a plurality of water outlets.

8. The microfiltration membrane internal-external combined flushing and filtering device according to claim 1, wherein the valve is one of a solenoid valve, an electric valve, a manual ball valve or a manual butterfly valve.