CN210764470U

CN210764470U - Reverse osmosis membrane assembly with multiple water inlet channels

Info

Publication number: CN210764470U
Application number: CN201921412787.7U
Authority: CN
Inventors: 王桂林
Original assignee: Shenzhen Romer Environment Treatment Co ltd
Current assignee: Shenzhen Romer Environment Treatment Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-06-16
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a reverse osmosis membrane subassembly of a plurality of inlet channels, including reverse osmosis working layer and center tube, reverse osmosis working layer twines on the center tube, reverse osmosis working layer includes the base member water passing layer by the porous material preparation and arranges the base member crosses the reverse osmosis membrane of two sides in water passing layer, it produces the water hole to have arranged one on the center tube, N reverse osmosis working layer passes through a plurality of water passing holes of producing on the center tube pipe wall with produce water hole intercommunication, N is greater than or equal to 1, former water hole has still been arranged on the center tube, former water hole is linked together through a plurality of raw water via holes on the pipe wall and the space between two adjacent reverse osmosis working layers, and this device has the efficient advantage of raw water desalination.

Description

Reverse osmosis membrane assembly with multiple water inlet channels

Technical Field

The utility model relates to a raw water desalination device, in particular to a reverse osmosis membrane component of a water inlet channel.

Background

A raw water desalting device on the market comprises a reverse osmosis working layer and a central pipe, wherein the reverse osmosis working layer is flaky and wraps the central pipe. The reverse osmosis working layer generally comprises at least three layers, the middle layer is a matrix water passing layer made of porous materials and plays a supporting role, and the upper surface and the lower surface of the middle layer are respectively paved with a reverse osmosis membrane. The central tube is provided with an axial raw water hole, the center of the central tube is provided with an axial central hole, after raw water enters from the raw water hole, the raw water enters a gap formed by two adjacent reverse osmosis working layers through a plurality of raw water through holes on the tube wall, then, when the raw water pressure exceeds the reverse osmosis pressure, produced water in the raw water enters a matrix water passing layer of the reverse osmosis working layers through a reverse osmosis membrane, then enters the central hole of the central tube through a produced water through hole on the tube wall, and is communicated with the outside, so that produced water is obtained. However, in the raw water desalination device, because the raw water inlet waterway is small, after the reverse osmosis working layers are wound in multiple layers, the effect of desalinating raw water by the reverse osmosis working layers close to the outside is poor, and the raw water desalination efficiency of the whole raw water desalination device is low.

SUMMERY OF THE UTILITY MODEL

The invention of the utility model aims to: aiming at the problem that the raw water desalination efficiency of a raw water desalination device in the prior art is low, a reverse osmosis membrane component of a water inlet channel is provided.

In order to realize the purpose, the utility model discloses a technical scheme be:

the utility model provides a reverse osmosis membrane subassembly of a plurality of inlet channels, includes reverse osmosis roll membrane piece and center tube, reverse osmosis roll membrane piece winding is in on the center tube, reverse osmosis roll membrane piece includes the matrix water passing layer of being made by porous material and arranges the reverse osmosis membrane face of two sides in matrix water passing layer, arranged on the center tube and produced the water hole, its characterized in that, N reverse osmosis roll membrane piece is through a plurality of water production via holes on the center tube pipe wall with produce the water hole intercommunication, N is greater than or equal to 1, still arranged 2 at least former water holes on the center tube, former water hole is linked together through a plurality of former water via holes on the pipe wall and the space between two adjacent reverse osmosis roll membranes, has arranged into water and has separated the net between two reverse osmosis roll membrane pieces.

Preferably, the cross section of the water generating hole is a straight-line-shaped hole.

Furthermore, two ends of the straight-line-shaped hole are respectively communicated with one reverse osmosis working layer, and the two raw water holes are arranged on two sides of the straight-line-shaped hole. The beneficial effects are that: the double-channel structure with simple structure has the advantage of high raw water desalination efficiency.

Preferably, the section of the water producing hole is a cross-shaped hole.

Furthermore, four ends of the cross-shaped hole are respectively communicated with one reverse osmosis working layer, and 4 raw water holes are respectively arranged on four image limit positions of the cross-shaped hole. The beneficial effects are that: the cross structure is simple and easy to process, the number of the 4 channels is moderate, and the device has the advantage of improving the raw water desalination efficiency.

Generally, a water inlet separation net is arranged between two adjacent reverse osmosis working layers. The beneficial effects are that: the water inlet separation net separates two adjacent reverse osmosis working layers and forms a water inlet channel.

Optionally, the cross section of the raw water hole is a straight-line-shaped hole.

Optionally, the cross section of the raw water hole is a cross-shaped hole.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the raw water desalination efficiency is high. To the raw water desalination device with the same volume, because the utility model discloses a many inlet channels, be close to outside reverse osmosis working layer and also can obtain more abundant utilization, the desalination efficiency of raw water obtains obviously improving.

2. Simple structure, high efficiency and low cost.

Drawings

Fig. 1 is a schematic view of the cross-sectional structure of the water producing hole of the present invention.

Fig. 2 is a schematic view of the cross-sectional structure of the water producing hole of the present invention.

FIG. 3 is a schematic cross-sectional view of a reverse osmosis membrane sheet.

Fig. 4 is a schematic cross-sectional view of the raw water hole of the present invention.

Fig. 5 is a schematic cross-sectional view of the raw water hole of the present invention.

The labels in the figure are: 1-central tube, 2-reverse osmosis working layer, 3-water inlet separation net, 4-water production hole, 5-water production via hole, 6-raw water hole, 7-raw water via hole, 21-reverse osmosis membrane, 22-matrix water passing layer, 221-base layer and 222-water passing layer.

Detailed Description

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

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

The utility model provides a reverse osmosis membrane module of inlet channel, is the column structure, and figure 1 shows the structural schematic diagram of cross-section, including reverse osmosis working layer 2 and

center tube

1, 2 reverse osmosis working layer 2 twines on the center tube 1, reverse osmosis working layer 2 includes the base member water passing layer 22 of making by porous material and arranges reverse osmosis membrane 21 of two sides of base member water passing layer 22, has arranged one on the center tube 1 and has produced water hole 4, and it is "one" style of calligraphy hole to produce water hole 4 cross-section, and "one" style of calligraphy hole both ends communicate a reverse osmosis working layer 2 respectively, and two former water holes 6 are arranged "one" style of calligraphy hole both sides. Reverse osmosis working layer 2 through a plurality of on the pipe wall of center tube 1 produce water via hole 5 with produce water hole 4 intercommunication, still arranged 2 former water holes 6 on the center tube 1, former water hole 6 is linked together through the space between a plurality of former water via hole 7 on the pipe wall and two adjacent reverse osmosis working layers 2. And a water inlet separation net 3 is arranged between the two reverse osmosis working layers 2. As shown in fig. 3, the reverse osmosis roll sheet 2 is composed of a reverse osmosis membrane 21, a base layer 221, and a permeate layer 222.

When the reverse osmosis membrane works, raw water enters the raw water holes 6 and enters a space formed by the water inlet separation net 3 through the raw water through holes 7, and the water inlet separation net 3 plays a role in separating two adjacent reverse osmosis working layers 2 and forming a raw water channel in the middle. When the pressure of raw water contained in the space of the water inlet separation net 3 is higher than the reverse osmosis pressure, the produced water in the raw water passes through the reverse osmosis membrane 21 and enters the matrix water passing layer 22, and the matrix water passing layer 22 is made of a porous material, plays a role in supporting and forms a channel for the produced water to flow; the produced water entering the matrix water passing layer 22 enters the water producing hole 4 through the water producing hole 5, and the water producing hole 4 is communicated with the outside of the system, so that the produced water is obtained.

Example 2

The utility model provides a reverse osmosis membrane module of inlet channel, is the columnar structure, and figure 2 shows the structure schematic diagram of cross-section, including reverse osmosis working layer 2 and

center tube

1, 4 reverse osmosis working layer 2 twines on the center tube 1, reverse osmosis working layer 2 includes the base member water passing layer 22 of making by porous material and arranges the reverse osmosis membrane 21 of two sides of base member water passing layer 22, has arranged one on the center tube 1 and has produced water hole 4, and it is "ten" style of calligraphy hole 4 cross-section to produce water hole, and four ends of "ten" style of calligraphy hole communicate a reverse osmosis working layer 2 respectively, and 4 raw water holes 6 are arranged respectively four like spacing in "ten" style of calligraphy hole. Reverse osmosis working layer 2 through a plurality of on the pipe wall of center tube 1 produce water via hole 5 with produce water hole 4 intercommunication, still arranged 4 former water holes 6 on the center tube 1, former water hole 6 is linked together through the space between a plurality of former water via hole 7 on the pipe wall and two adjacent reverse osmosis working layers 2. And a water inlet separation net 3 is arranged between the two reverse osmosis working layers 2. As shown in fig. 3, the reverse osmosis roll sheet 2 is composed of a reverse osmosis membrane 21, a base layer 221, and a permeate layer 222.

Example 3

The utility model provides a reverse osmosis membrane module of inlet channel, is the columnar structure, and figure 4 shows the structure schematic diagram of cross-section, including reverse osmosis working layer 2 and

center tube

1, 2 reverse osmosis working layer 2 twines on center tube 1, reverse osmosis working layer 2 includes the matrix water passing layer of making by porous material and arranges the reverse osmosis membrane of two sides of matrix water passing layer 22, has arranged one on the center tube 1 and has produced water hole 4, produces water hole 4 and communicates reverse osmosis working layer 2, and former water hole 6 is "a" style of calligraphy hole. The reverse osmosis working layer 2 is communicated with the water production holes 4 through a plurality of water production through holes 5 on the pipe wall of the central pipe 1, as shown in fig. 3, the reverse osmosis rolling film piece 2 is composed of a reverse osmosis film 21, a base layer 221 and a water passing layer 222.

Example 4

The utility model provides a reverse osmosis membrane module of inlet channel, is the columnar structure, and figure 5 shows the structure schematic diagram of cross-section, including reverse osmosis working layer 2 and

center tube

1, 4 reverse osmosis working layer 2 twines on the center tube 1, reverse osmosis working layer 2 includes the matrix water passing layer of making by porous material and arranges the matrix crosses the reverse osmosis membrane of water layer two sides, has arranged 4 on the center tube 1 and has produced water hole 4, produces reverse osmosis working layer 2 of water hole 4 intercommunication, and 6 cross-sections in raw water hole are "ten" style of calligraphy hole, and raw water passageway is connected respectively to four ends in "ten" style of calligraphy hole. . As shown in fig. 3, the reverse osmosis roll sheet 2 is composed of a reverse osmosis membrane 21, a base layer 221, and a permeate layer 222.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A reverse osmosis membrane assembly with multiple water inlet channels comprises reverse osmosis membrane rolling pieces (2) and a central tube (1), wherein the reverse osmosis membrane rolling pieces (2) are wound on the central tube (1), each reverse osmosis membrane rolling piece (2) comprises a matrix water passing layer (22) made of porous materials and reverse osmosis membrane surfaces (21) arranged on two side surfaces of the matrix water passing layer, a water production hole (4) is arranged on the central tube (1), the reverse osmosis membrane rolling assembly is characterized in that N reverse osmosis membrane rolling pieces (2) are communicated with the water production hole (4) through multiple water production through holes (5) in the tube wall of the central tube (1), N is larger than or equal to 1, at least 2 raw water holes (6) are further arranged on the central tube (1), and the raw water holes (6) are communicated with gaps between two adjacent reverse osmosis membrane rolling pieces (2) through multiple raw water through holes (7) in the tube wall, a water inlet separation net (3) is arranged between the two reverse osmosis rolling membrane sheets (2).

2. The reverse osmosis membrane assembly with multiple water inlet channels as claimed in claim 1, wherein the cross section of the water production hole (4) is a straight hole.

3. The reverse osmosis membrane assembly with multiple water inlet channels as claimed in claim 2, wherein two ends of the straight hole are respectively communicated with the reverse osmosis membrane rolling piece (2), and two raw water holes (6) are arranged on two sides of the straight hole.

4. The reverse osmosis membrane assembly with multiple water inlet channels as claimed in claim 1, wherein the cross section of the water production hole (4) is a cross-shaped hole.

5. The reverse osmosis membrane assembly with multiple water inlet channels as claimed in claim 4, wherein four ends of the cross-shaped holes are respectively communicated with the reverse osmosis membrane rolling pieces (2), and 4 raw water holes (6) are respectively arranged on four quadrant limits of the cross-shaped holes.

6. The reverse osmosis membrane assembly with multiple water inlet channels as claimed in claim 1, wherein the cross section of the raw water hole (6) is a straight hole.

7. The reverse osmosis membrane assembly with multiple water inlet channels as claimed in claim 1, wherein the cross section of the raw water hole (6) is a cross-shaped hole.