CN217939766U

CN217939766U - Composite film rolling unit and filter element

Info

Publication number: CN217939766U
Application number: CN202221549309.2U
Authority: CN
Inventors: 祝美娟
Original assignee: Hangzhou Subruichi Technology Co ltd
Current assignee: Hangzhou Subruichi Technology Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-12-02
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses a composite rolling membrane unit and a filter element, which comprises a folding membrane, wherein the membrane is provided with a separation layer and a supporting layer, and the membrane is folded inwards by the separation layer and outwards by the supporting layer; a water inlet grid is arranged in the folded membrane and is in contact with the separation layer of the membrane; folding diaphragm surface is equipped with the broken line, diaphragm and the graticule mesh of intaking are followed the broken line fifty percent discount, and the diaphragm inside of fifty percent discount is equipped with produces the water net, and the diaphragm inside of fifty percent discount scribbles glue. The utility model discloses can improve the play water speed of dense water to a certain extent, dense water goes out the water speed and improves the back, and the water velocity of intaking also can improve thereupon to improve the water purification efficiency of membrane unit.

Description

Composite film rolling unit and filter element

Technical Field

The utility model relates to a water purification technology field, in particular to compound book system membrane unit and filter core.

Background

Because the quality of water in the environment is easily polluted because of reasons such as industrial production, the demand of people to the drinking water quality is improving gradually, a large amount of reverse osmosis and nanofiltration water purification equipment has appeared on the market at present, impurity in to rivers is filtered through the filter core to the pure water that output people's needs is used for people's production and life.

When the existing filter element is used, when water flows in a flow channel of the filter element, the flow speed can be gradually reduced, particularly, the speed of concentrated water in water outlet can be reduced, so that the water inlet speed is reduced, the water purification efficiency of the filter element is low, and the problem of how to improve the water purification efficiency of the filter element is urgently solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a membrane unit and filter core are rolled up to compound. The utility model discloses can improve the velocity of water outlet and the velocity of water inflow of dense water to a certain extent to improve the water purification efficiency of filter core.

The technical scheme of the utility model: the composite rolling membrane unit comprises a folded membrane, wherein the membrane is provided with a separation layer and a supporting layer, and the membrane is folded inwards by the separation layer and outwards by the supporting layer; a water inlet grid is arranged in the folded membrane and is in contact with the separation layer of the membrane; folding diaphragm surface is equipped with the broken line, diaphragm and the graticule mesh of intaking are followed the broken line fifty percent discount, and the diaphragm inside of fifty percent discount is equipped with produces the water net, and the diaphragm inside of fifty percent discount scribbles glue.

In the composite rolled film unit, the film sheet is folded in half along the short side and folded in a manner of overlapping the long side.

In the above-mentioned composite rolling film unit, the folding line is a connecting line of the middle points of the long sides of the folded film.

In the above-mentioned composite rolling membrane unit, the membrane may be one of a microfiltration membrane, an ultrafiltration membrane, a nanofiltration membrane and a reverse osmosis membrane.

In the composite rolling film unit, the glue is smeared on the long side of the opening side of the folded film and the short side of the opening side of the folded film.

A filter element made of the composite rolling membrane unit comprises a central tube with a cavity, wherein the surface of the central tube is provided with a plurality of through holes communicated with the cavity; the surface of the central pipe is connected with a water production grid, the membrane unit is placed on the water production grid, and the membrane unit and the water production grid are rolled on the surface of the central pipe; and the membrane unit is coated with a sealant.

In the filter element, the sealant comprises a long glue line arranged along the long side of the folded membrane unit, and two short glue lines arranged along the short sides of the two sides of the folded membrane unit, wherein two ends of the long glue line are respectively connected with the two short glue lines to form a U-shaped structure, and the opening direction of the U-shaped structure is opposite to the folding opening direction of the membrane; produce and be equipped with two side glue lines on the water grid, the folding department of side glue line with the diaphragm begins to extend to the both sides of producing the water grid.

In the filter element, the rolling direction of the membrane unit and the water producing grid is parallel to the folding line direction of the membrane.

In the filter element, the filter element is provided with a water inlet surface and a pure water outlet surface, wherein the water inlet surface is positioned on the folding opening side of the diaphragm, and the pure water outlet surface is positioned on the opening side of the U-shaped structure; the water inlet surface is used for water inlet, and the pure water outlet surface is used for discharging pure water.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, the membrane unit includes folding diaphragm, and folding diaphragm surface is equipped with the broken line, diaphragm and the fifty percent discount of net edge broken line of intaking, and the inside water net that produces that is equipped with of diaphragm of fifty percent discount, when intaking, rivers get into from the side opening part of membrane unit fifty percent discount position, and dense water flows out from the fifty percent discount opening part of membrane unit, has shortened the flow path of dense water, improves the play water speed of dense water to a certain extent, and after dense water play water speed improved, the stream speed of intaking also can improve thereupon to improve the water purification efficiency of membrane unit; the filter core that constitutes by above-mentioned membrane unit, when using, the inside concentrated water flow path of filter core can shorten for concentrated water can flow from the periphery of filter core more fast, and then makes the speed of intaking also can obtain promoting, finally improves the water purification efficiency of filter core.

2. In the utility model, the filter element is provided with a water inlet surface and a pure water outlet surface, wherein the water inlet surface is positioned at the opening side of the folding film 1, and the pure water outlet surface is positioned at the opening side of the U-shaped structure; the face of intaking is used for intaking, and pure water play water face is used for the pure water of discharging, and during the in-service use, rivers enter into the filter core from the face of intaking, and dense water passes through the peripheral outflow of filter core, and the pure water goes out the surface of water from the pure water of filter core and flows out, can realize intaking from the terminal surface through above-mentioned structure, and the effect of terminal surface play pure water, the rivers of intaking and play pure water are all concentrated more, conveniently with the leading-in filter core of rivers, also convenient collection to filter core exhaust pure water.

3. The utility model discloses in, the diaphragm can be one of micro-filtration membrane, milipore filter, receive among filter membrane, the reverse osmosis membrane, can filter the quality of water of different grade type, enlarges the application scope of membrane unit.

Drawings

Fig. 1 is a schematic view of the folding of a membrane sheet according to the present invention;

FIG. 2 is an assembly view of the diaphragm and the water inlet grid of the present invention;

FIG. 3 is a schematic structural view of the middle membrane unit of the present invention when it is not folded in half;

fig. 4 is a schematic view of a diagonal line in the present invention;

FIG. 5 is a schematic view of the membrane unit of the present invention folded in half;

FIG. 6 is a schematic view of the connection of the center tube to the water producing grid of the present invention;

FIG. 7 is an assembly view of the mesomembrane unit and the water producing grid of the present invention;

FIG. 8 is a schematic view of the application of the sealant of the present invention;

FIG. 9 is a schematic view of glue application in the present invention;

FIG. 10 is a schematic view showing the flow direction of pure water on the membrane unit according to the present invention;

FIG. 11 is a schematic view showing the flow direction of pure water inside the membrane unit according to the present invention;

FIG. 12 is a schematic view of the flow direction of concentrated water in the membrane unit according to the present invention;

FIG. 13 is a schematic view of the flow direction of the feed water and concentrate in the filter element of the present invention;

fig. 14 is a schematic view showing the flow direction of pure water in the filter element according to the present invention.

The labels in the figures are: 1-a membrane; 1 a-a separation layer; 1 b-a support layer; 2-a water inlet grid; 3-glue; 4-fold line pairs; 5-producing a water net; 6-a central tube; 7-a through hole; 8-a cavity; 9-sealing glue; 91-long glue lines; 92-short glue lines; 93-side glue lines; 10-water producing grid.

Detailed Description

The present invention will be further described with reference to the drawings and examples, which should not be construed as a limitation to the present invention.

Example (b): a composite rolling membrane unit, as shown in fig. 1 and fig. 2, including a folded membrane 1, where the membrane 1 is folded in half along a short edge and folded in a manner of overlapping a long edge, the membrane 1 may be one of a microfiltration membrane, an ultrafiltration membrane, a nanofiltration membrane and a reverse osmosis membrane, and can filter different types of water, so as to expand the application range of the membrane unit, the membrane 1 has a separation layer 1a and a support layer 1b, and the membrane 1 is folded with the separation layer 1a inward and the support layer 1b outward; as shown in the attached figure 3, a water inlet grid 2 is arranged inside the folded membrane 1, and the water inlet grid 2 is in contact with a separation layer 1a of the membrane 1; as shown in figure 4, folding diaphragm 1 surface is equipped with broken line 4, broken line 4 is the line of the long limit midpoint in folding diaphragm 1 both sides, as shown in figure 5, diaphragm 1 and water inlet graticule mesh 2 are along the broken line 4 fifty percent discount, and the diaphragm 1 inside of fifty percent discount is equipped with produces the water net 5, as shown in figure 9, and the diaphragm 1 inside of fifty percent discount scribbles glue 3, glue 3 scribbles on diaphragm 1 folding opening side long limit and the fifty percent discount opening side short side of diaphragm 1.

A filter core made of the composite rolling membrane unit is shown in figure 6, and comprises a central tube 6 with a cavity 8, wherein the surface of the central tube 6 is provided with a plurality of through holes 7 communicated with the cavity 8; the surface of the central tube 6 is connected with a water producing grid 10, and it should be noted that the surface of the central tube 6 can be connected with a plurality of water producing grids 10, as shown in fig. 7, the membrane units are placed on the water producing grid 10, and the membrane units and the water producing grid 10 are rolled on the surface of the central tube 6, and the rolling direction of the membrane units and the water producing grid 10 is parallel to the folding line direction of the membrane sheet 1; as shown in fig. 8, the film unit is coated with a sealant 9, the sealant 9 includes a long glue line 91 arranged along the long side of the folded film unit, and also includes two short glue lines 92 arranged along the short sides of the two sides of the folded film unit, two ends of the long glue line 91 are respectively connected with the two short glue lines 92 to form a U-shaped structure, and the opening direction of the U-shaped structure is opposite to the folding opening direction of the membrane 1; two side rubber lines 93 are arranged on the water producing grid net 10, and the side rubber lines 93 extend to two sides of the water producing grid net 10 from the folding position of the membrane 1.

As shown in fig. 12, the water flow enters from the folded open side of the membrane unit, and the concentrate flows in the membrane unit to the side away from the central tube 6, and as shown in fig. 10 and 11, the pure water flows in the membrane unit to the open side of the U-shaped structure.

As shown in fig. 13 and 14, the filter element has a water inlet surface and a pure water outlet surface, wherein the water inlet surface is located at the folding opening side of the membrane 1, and the pure water outlet surface is located at the opening side of the U-shaped structure; the face of intaking is used for intaking, and pure water play water face is used for the pure water of discharging, and during the in-service use, rivers enter into the filter core from the face of intaking in, and dense water passes through the peripheral outflow of filter core, and the pure water flows out from the pure water play surface of filter core, can realize intaking from the terminal surface through above-mentioned structure, and the effect of terminal surface play pure water, and the rivers of intaking and play pure water are all concentrated more, conveniently with the leading-in filter core of rivers, also convenient collection to filter core exhaust pure water.

And, because the membrane unit sets up on water production graticule mesh 10 after the fifty percent discount, when intaking, rivers get into from the side opening part of the membrane unit fifty percent discount position that is close to center tube 6, dense water flows out from the fifty percent discount opening part that the center tube 6 was kept away from to the membrane unit, has shortened the flow path of dense water, improves the play water speed of dense water to a certain extent, and dense water goes out the water speed and improves the back, and the water velocity of intaking also can improve thereupon to improve the water purification efficiency of filter core.

Claims

1. The compound membrane unit of rolling up, its characterized in that: the membrane comprises a folded membrane sheet (1), wherein the membrane sheet (1) is provided with a separation layer (1 a) and a support layer (1 b), and the membrane sheet (1) is folded inwards by the separation layer (1 a) and outwards by the support layer (1 b); a water inlet grid (2) is arranged inside the folded membrane (1), and the water inlet grid (2) is in contact with a separation layer (1 a) of the membrane (1); folding diaphragm (1) surface is equipped with broken line (4), diaphragm (1) and water inlet graticule mesh (2) are followed broken line (4) fifty percent discount, and diaphragm (1) inside of fifty percent discount is equipped with produces water net (5), and diaphragm (1) inside of fifty percent discount scribbles glue (3).

2. The composite rolled film unit of claim 1, wherein: the diaphragm (1) is folded along the folding of the short edges and the overlapping of the long edges.

3. The composite rolled film unit of claim 1, wherein: the folding line (4) is a connecting line of the middle points of the long edges at the two sides of the folded film (1).

4. The composite rolled film unit of claim 1, wherein: the membrane (1) can be one of a microfiltration membrane, an ultrafiltration membrane, a nanofiltration membrane and a reverse osmosis membrane.

5. The composite rolled film unit of claim 1, wherein: glue (3) is smeared on the long side of the opening side of the folded film sheet (1) and the short side of the opening side of the folded film sheet (1).

6. A filter element made of composite rolled membrane units according to any one of claims 1-5, wherein: the device comprises a central tube (6) with a cavity (8), wherein the surface of the central tube (6) is provided with a plurality of through holes (7) communicated with the cavity (8); the surface of the central pipe (6) is connected with a water producing grid (10), the membrane unit is placed on the water producing grid (10), and the membrane unit and the water producing grid (10) are rolled on the surface of the central pipe (6); the membrane unit is coated with a sealant (9).

7. The filter cartridge of claim 6, wherein: the sealant (9) comprises a long sealant line (91) arranged along the long side after the film unit is folded in half and two short sealant lines (92) arranged along the short sides at the two sides after the film unit is folded in half, the two ends of the long sealant line (91) are respectively connected with the two short sealant lines (92) to form a U-shaped structure, and the opening direction of the U-shaped structure is opposite to the folding opening direction of the diaphragm (1); produce and be equipped with two side rubber lines (93) on water graticule mesh (10), side rubber line (93) begin to extend to the both sides of producing water graticule mesh (10) with the folding department of diaphragm (1).

8. The cartridge of claim 6, wherein: the rolling direction of the membrane unit and the water producing grid (10) is parallel to the folding line direction of the membrane (1).

9. The filter cartridge of claim 7, wherein: the filter element is provided with a water inlet surface and a pure water outlet surface, wherein the water inlet surface is positioned on the folding opening side of the diaphragm (1), and the pure water outlet surface is positioned on the opening side of the U-shaped structure; the water inlet surface is used for water inlet, and the pure water outlet surface is used for discharging pure water.