CN214051172U

CN214051172U - Spiral roll type reverse osmosis membrane element

Info

Publication number: CN214051172U
Application number: CN202022783850.7U
Authority: CN
Inventors: 徐娟
Original assignee: Jiangsu Alex Hua Tian Environment Technology Co ltd
Current assignee: Jiangsu Alex Hua Tian Environment Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-27
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to the technical field of reverse osmosis water purification, and discloses a spiral roll type reverse osmosis membrane element, which comprises a membrane shell, wherein the top of the membrane shell is provided with an end cover, and the bottom of the membrane shell is provided with a tail cover; the membrane comprises a membrane shell and is characterized in that a plurality of reverse osmosis membranes are wound inside the membrane shell, wherein a connection membrane is wound inside the reverse osmosis membrane on the innermost layer, a waste water drainage tube is wound inside the connection membrane, and a central tube is arranged inside the waste water drainage tube. This spiral roll formula reverse osmosis membrane element sets up the pure water outlet through using on the end cover, sets up the dense water export on the tail-hood, and pure water and waste water are separately flowing at both ends when using like this, need not be to the further part of applying of spiral roll formula reverse osmosis membrane, just can make pure water and waste water separation discharge, have practiced thrift the cost, directly cup joint together through using center tube and waste water drainage tube, can directly cup joint when production, easy operation, convenient to detach.

Description

Spiral roll type reverse osmosis membrane element

Technical Field

The utility model relates to a reverse osmosis water purification technical field specifically is a spiral roll formula reverse osmosis membrane element.

Background

The reverse osmosis membrane is an artificial semipermeable membrane with certain characteristics and is made by simulating a biological semipermeable membrane, and is a core component of a reverse osmosis technology. The principle of reverse osmosis is that under the action of the osmotic pressure higher than that of the solution, other substances are separated from water based on the fact that the substances cannot permeate a semipermeable membrane. The membrane aperture of the reverse osmosis membrane is very small, so that the membrane aperture can effectively remove dissolved salts, colloids, microorganisms, organic matters and the like in water, the spiral roll type reverse osmosis membrane element is also called a roll type reverse osmosis membrane element and is a common element in the water treatment technology, the spiral roll type reverse osmosis membrane element generally comprises a cylindrical pressure container serving as a shell, a central pipe with a plurality of holes, and a plurality of layers of reverse osmosis separation membranes and diversion nets which are alternately stacked and wound on the central pipe are arranged in the spiral roll type reverse osmosis membrane element, when the existing spiral roll type reverse osmosis membrane is used, pure water and waste water flow out at the same end, so that the pure water and the waste water can be separated and discharged only by further applying parts to the spiral roll type reverse osmosis membrane, the manufacturing trouble and the cost waste water are wasted, the assembly trouble is caused, and the pure water pipe and the waste water pipe cannot be directly sleeved together during production.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art in the above-mentioned background art, the utility model provides a spiral roll formula reverse osmosis membrane element to overcome the current spiral roll formula reverse osmosis membrane element that proposes in the above-mentioned background art, pure water and waste water flow in same end when using, need just enable pure water and waste water separation discharge to the further part of applying of spiral roll formula reverse osmosis membrane like this, the extravagant manufacturing is troublesome like this, the extravagant cost, and it is troublesome to assemble at pure water pipe and waste water pipe, can not directly cup joint shortcoming together when producing.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a spiral wound reverse osmosis membrane element comprises a membrane shell, wherein an end cover is arranged at the top of the membrane shell, and a tail cover is arranged at the bottom of the membrane shell;

the membrane comprises a membrane shell and is characterized in that a plurality of reverse osmosis membranes are wound inside the membrane shell, wherein a connection membrane is wound inside the reverse osmosis membrane on the innermost layer, a waste water drainage tube is wound inside the connection membrane, and a central tube is arranged inside the waste water drainage tube.

As an optimal technical solution of the utility model: the inner walls of the end cover and the tail cover are connected with a plurality of connecting plates; every the one end that the end cover and the tail-hood were kept away from to the connecting plate all is connected with the waste water drainage tube, uses a plurality of connecting plates fixed reverse osmosis membrane more easily.

As an optimal technical solution of the utility model: the waste water drainage tube is provided with a plurality of waste water outlets at one end of the tail cover; a pure water outlet is formed in one end of the central tube at the end cover, and the end, far away from the pure water outlet, of the central tube is closed and sealed; the waste water drainage tube is kept away from the closed seal of the one end of a plurality of waste water exports, uses the separation of pure water export and waste water export, the reutilization of the pure water of being convenient for.

Furthermore, a plurality of wastewater drainage holes are formed in two ends of the wastewater drainage tube; and each wastewater drainage hole is uniformly arranged along the two ends of the wastewater drainage tube.

Furthermore, a plurality of pure water inlets are formed in the two end walls of the central pipe; each pure water inlet penetrates through two end walls of the central pipe.

Furthermore, the central pipe is arranged on the inner wall of the wastewater drainage pipe, and the wastewater drainage pipe is provided with a hole matched with each pure water inlet; each pure water inlet penetrates through the side wall of the waste water drainage pipe and extends to the outer side wall of the waste water drainage pipe.

The theory of operation, this spiral roll formula reverse osmosis membrane element, when needs use, at first with the cladding of membrane shell on a plurality of reverse osmosis membrane pieces, the diaphragm is connected in reverse osmosis membrane piece one deck reverse osmosis membrane piece cladding of innermost portion, connect the diaphragm cladding on the waste water drainage tube, the center tube cup joints in the waste water drainage tube, introduce waste water in the waste water drainage tube through waste water drainage hole, waste water discharge through the waste water export of tail-hood, introduce the center tube with the pure water through the pure water import, discharge the pure water through the pure water export.

The relevant modules referred to in the present application are all hardware system modules or functional modules combining computer software programs or protocols with hardware in the prior art, and the computer software programs or protocols referred to by the functional modules are all known in the art per se, and are not improvements of the present application; the improvement of the application is the interaction relation or the connection relation among all the modules, namely, the integral structure of the system is improved, so as to solve the corresponding technical problems to be solved by the application.

(III) advantageous effects

The utility model provides a spiral roll formula reverse osmosis membrane element possesses following beneficial effect:

(1) this spiral roll formula reverse osmosis membrane element sets up the pure water export through using on the end cover, sets up the dense water export on the tail-hood, and pure water and waste water are separately flowing at both ends when using like this, need not be to the further part of applying of spiral roll formula reverse osmosis membrane, just can make pure water and waste water separation discharge, have saved the manufacturing cost, have practiced thrift the cost.

(2) This spiral roll formula reverse osmosis membrane element directly cup joints through using center tube and waste water drainage tube, can directly cup joint together easy operation, convenient to detach when production.

Drawings

FIG. 1 is a schematic structural view of the spiral-wound reverse osmosis membrane element of the present invention;

FIG. 2 is a schematic view of a partial parsing structure of a reverse osmosis membrane of the spiral roll type reverse osmosis membrane element of the present invention;

FIG. 3 is a schematic front view of the end cap and the tail cap of the spiral wound reverse osmosis membrane element of the present invention;

FIG. 4 is a schematic view of the structure of the wastewater drainage tube of the spiral reverse osmosis membrane element of the present invention;

fig. 5 is a schematic view of the central tube of the spiral-wound reverse osmosis membrane element of the present invention.

In the figure: the membrane comprises a membrane shell 1, an end cover 2, a tail cover 3, a wastewater outlet 4, a central pipe 5, a connecting plate 6, a pure water outlet 7, a reverse osmosis membrane 8, a connecting membrane 9, a wastewater drainage pipe 10, a wastewater drainage hole 11 and a pure water inlet 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-5, the present invention provides a spiral wound reverse osmosis membrane element;

according to the figure 1, the spiral wound reverse osmosis membrane element comprises a membrane shell 1, wherein the top of the membrane shell 1 is provided with an end cover 2, and the bottom of the membrane shell 1 is provided with a tail cover 3;

according to fig. 2, the inside of the membrane housing 1 is wrapped with a plurality of reverse osmosis membrane sheets 8, wherein the inside of the innermost reverse osmosis membrane sheet 8 is wrapped with a connection membrane sheet 9, the inside of the connection membrane sheet 9 is wrapped with a wastewater drainage tube 10, and the inside of the wastewater drainage tube 10 is provided with a central tube 5.

As shown in fig. 3, a preferred embodiment of the present invention is: the inner walls of the end cover 2 and the tail cover 3 are connected with a plurality of connecting plates 6; one end of each connecting plate 6, which is far away from the end cover 2 and the tail cover 3, is connected with a wastewater drainage tube 10; the waste water drainage tube 10 is provided with a plurality of waste water outlets 4 at one end of the tail cover 3; a pure water outlet 7 is formed in one end, away from the pure water outlet 7, of the central pipe 5 at one end of the end cover 2, and the end, away from the pure water outlet 7, of the central pipe 5 is closed and sealed; the waste water drainage tube 10 is closed and sealed at one end far away from the waste water outlets 4, and by using the device, a pure water outlet is arranged on the end cover, and a concentrated water outlet is arranged on the tail cover, so that pure water and waste water can flow out from two separated ends.

As a preferred technical solution of the present invention, as shown in fig. 4 and 5: a plurality of wastewater drainage holes 11 are formed at two ends of the wastewater drainage tube 10; and each wastewater drainage hole 11 is uniformly formed along both ends of the wastewater drainage tube 10. The two end walls of the central pipe 5 are provided with a plurality of pure water inlets 12; each pure water inlet 12 penetrates through the two end walls of the central pipe 5, the central pipe 5 is installed on the inner wall of the waste water drainage pipe 10, and the waste water drainage pipe 10 is provided with a hole matched with each pure water inlet 12.

It should be noted that, in the present invention, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be understood in a broad sense, and may be, for example, either fixedly or detachably connected; or indirectly through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A spiral wound reverse osmosis membrane element comprises a membrane shell (1), and is characterized in that an end cover (2) is arranged at the top of the membrane shell (1), and a tail cover (3) is arranged at the bottom of the membrane shell (1);

the membrane comprises a membrane shell (1) and is characterized in that a plurality of reverse osmosis membranes (8) are wound inside the membrane shell (1), a connecting membrane (9) is wound inside the reverse osmosis membrane (8) on the innermost layer, a waste water drainage tube (10) is wound inside the connecting membrane (9), and a central tube (5) is arranged inside the waste water drainage tube (10).

2. A spiral wound reverse osmosis membrane element according to claim 1, wherein a plurality of connection plates (6) are connected to the inner wall of the end cover (2) and the tail cover (3);

one end of each connecting plate (6), which is far away from the end cover (2) and the tail cover (3), is connected with a waste water drainage tube (10).

3. A spiral wound reverse osmosis membrane element according to claim 1, wherein the waste water draft tube (10) is provided with a plurality of waste water outlets (4) at one end of the tail cap (3);

and a pure water outlet (7) is formed in one end of the end cover (2) of the central pipe (5).

4. The spiral wound reverse osmosis membrane element according to claim 1, wherein a plurality of waste water drainage holes (11) are opened at both ends of the waste water drainage tube (10);

and each wastewater drainage hole (11) is uniformly arranged along the two ends of the wastewater drainage tube (10).

5. Spiral wound reverse osmosis membrane element according to claim 1, characterised in that the central tube (5) is provided with a number of pure water inlets (12) at both end walls;

each pure water inlet (12) penetrates through the two end walls of the central pipe (5).

6. The spiral wound reverse osmosis membrane element according to claim 1, wherein the central pipe (5) is installed on the inner wall of the waste water drainage pipe (10), and the waste water drainage pipe (10) is provided with a hole adapted to each pure water inlet (12);

each pure water inlet (12) penetrates through the side wall of the waste water drainage pipe (10) and extends to the outer side wall of the waste water drainage pipe (10).

7. A spiral wound reverse osmosis membrane element according to claim 1 or 3, characterised in that the end of the central tube (5) remote from the pure water outlet (7) is closed;

one end of the waste water drainage pipe (10) far away from the plurality of waste water outlets (4) is closed and sealed.