CN218741287U - Reverse osmosis membrane element and reverse osmosis water purification unit - Google Patents

Abstract

The utility model discloses a reverse osmosis membrane element and reverse osmosis water purification equipment, which comprises a shell and a filter element assembly arranged in the shell, wherein the filter element assembly comprises a central tube and a reverse osmosis membrane surrounding the peripheral side of the central tube; an interaction end and a positioning end are respectively arranged on two sides of the shell, a sealing plate is arranged at a position where the inner side of the shell is contacted with the positioning end, a water inlet, a pure water outlet and a concentrated water outlet are arranged on the interaction end, a water inlet channel and a concentrated water channel are arranged inside the shell on the outer side of the reverse osmosis membrane, the water inlet channel is connected with the water inlet, the concentrated water channel is connected with the concentrated water outlet, a concentrated water cover is arranged on the concentrated water outlet, and a one-way plugging piece is arranged on the concentrated water cover; and the side wall of the central pipe is provided with a water collecting hole. The utility model discloses can let reverse osmosis membrane element obtain good fixed effect in the device to can effectively reduce the ion concentration of first cup of water.

Description

Reverse osmosis membrane element and reverse osmosis water purification unit

Technical Field

The utility model relates to a water purification unit technical field, concretely relates to reverse osmosis membrane element and reverse osmosis water purification unit.

Background

With the improvement of life quality and sanitary requirements, people have higher and higher requirements on water quality, especially on two aspects of taste and sanitary indexes. The water purifying equipment can remove particle impurities, colloid and residual chlorine in tap water through a reasonable and efficient pretreatment system, then remove microorganisms such as bacteria and viruses and most heavy metal ions harmful to human bodies by using a reverse osmosis technology, and the water purified by the water purifying equipment can be directly used as water for producing food, dairy products, wines and beverages. The reverse osmosis membrane filter element can filter impurities such as organic matters, colloid, bacteria, viruses and the like in raw water, and particularly has extremely high filtering efficiency on impurities such as inorganic salt, heavy metal ions and the like, so that the reverse osmosis membrane filter element forms a core component of water purifying equipment.

However, the reverse osmosis membrane element is positioned and installed before being used in the whole water purifying equipment, and a positioning device is not arranged on a general element, so that the positioning precision is poor during installation, errors are easy to occur, meanwhile, if the water purifying equipment needs to completely replace raw water and concentrated water in the equipment when in standby, a large amount of pure water is needed to be washed, and if the water purifying equipment does not replace the raw water and the concentrated water, the ion concentration of the first cup of water is influenced, and resources are wasted.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a reverse osmosis membrane element and reverse osmosis water purification unit can let reverse osmosis membrane element obtain good fixed effect in the device to can effectively reduce the ionic concentration of first cup of water.

In order to solve the technical problem, the utility model provides a reverse osmosis membrane element, which comprises a shell and a filter element assembly arranged in the shell, wherein the filter element assembly comprises a central tube and a reverse osmosis membrane surrounding the central tube; an interaction end and a positioning end are respectively arranged on two sides of the shell, a sealing plate is arranged at a position where the inner side of the shell is contacted with the positioning end, a water inlet, a pure water outlet and a concentrated water outlet are arranged on the interaction end, a water inlet channel and a concentrated water channel are arranged inside the shell on the outer side of the reverse osmosis membrane, the water inlet channel is connected with the water inlet, the concentrated water channel is connected with the concentrated water outlet, a concentrated water cover is arranged on the concentrated water outlet, and a one-way plugging piece is arranged on the concentrated water cover; and a water collecting hole is formed in the side wall of the central pipe.

Further, an installation groove is formed in the outer side face of the interaction end.

Furthermore, a positioning groove is formed in the positioning end.

Further, the thickness of the tube wall of the central tube is 4-6 mm.

A reverse osmosis water purification apparatus comprising any one of the reverse osmosis membrane elements.

The utility model has the advantages that: 1. the positioning end arranged on the shell and the mounting groove arranged on the interaction end can be used for accurately positioning the position of the element during mounting, so that the mounting and placing precision of the element is ensured;

2. the arrangement of the one-way plugging piece can prevent the problem that the ion concentration of initial water exceeds the standard when the water purifying equipment is closed for a long time.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

The reference numbers in the figures illustrate: 1. a housing; 2. a central tube; 3. a reverse osmosis membrane; 4. an interactive end; 5. A positioning end; 6. a sealing plate; 7. a water inlet; 8. a pure water outlet; 9. a concentrated water outlet; 10. A water inlet channel; 11. a concentrated water channel; 12. a concentrate cover; 13. a one-way plugging member; 14. a water collection hole; 15. mounting grooves; 16. and (6) positioning a groove.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.

Referring to fig. 1, an embodiment of a reverse osmosis membrane 3 element of the present invention includes a housing 1 and a filter element assembly disposed in the housing 1, wherein the filter element assembly includes a central tube 2 and a reverse osmosis membrane 3 surrounding the central tube 2; an interaction end 4 and a positioning end 5 are respectively arranged on two sides of the shell 1, a sealing plate 6 is arranged at a position where the inner side of the shell 1 is contacted with the positioning end 5, a water inlet 7, a pure water outlet 8 and a concentrated water outlet 9 are arranged on the interaction end 4, a water inlet channel 10 and a concentrated water channel 11 are arranged inside the shell 1 on the outer side of the reverse osmosis membrane 3, the water inlet channel 10 is connected with the water inlet 7, the concentrated water channel 11 is connected with the concentrated water inlet, a concentrated water cover 12 is arranged on the concentrated water inlet, and a one-way plugging piece 13 is arranged on the concentrated water cover 12; the side wall of the central tube 2 is provided with a water collecting hole 14.

During the use, one-way shutoff piece 13 is articulated with dense water cover 12, also produce the malleation when the device normally intakes, dense water is discharged through dense mouth of a river by dense water passageway 11 outflow this moment, one-way shutoff piece 13 is washed away by rivers, also one-way shutoff piece 13 does not play a role in this time, dense water passageway 11 is opened, produce the back pressure when the device, water gets into dense water passageway 11 from dense mouth of a river when, one-way shutoff piece 13 blocks up dense water passageway 11 because gravity action nature whereabouts, form the effect of sealing dense water passageway 11.

Be provided with mounting groove 15 on the 4 lateral surfaces of interaction end, be provided with constant head tank 16 on the location end 5, the installation positioning accuracy of whole component is guaranteed to the setting of mounting groove 15 and constant head tank 16 head to tail to can not shift when using.

The thickness of the central tube 2 is 4-6 mm, and the overall water passing effect is not affected by the thinness.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims (5)

1. A reverse osmosis membrane element comprising a housing and a filter element assembly disposed within the housing, the filter element assembly comprising a central tube and a reverse osmosis membrane surrounding the central tube;

an interaction end and a positioning end are respectively arranged on two sides of the shell, a sealing plate is arranged at a position where the inner side of the shell is contacted with the positioning end, a water inlet, a pure water outlet and a concentrated water outlet are arranged on the interaction end, a water inlet channel and a concentrated water channel are arranged inside the shell on the outer side of the reverse osmosis membrane, the water inlet channel is connected with the water inlet, the concentrated water channel is connected with the concentrated water outlet, a concentrated water cover is arranged on the concentrated water outlet, and a one-way plugging piece is arranged on the concentrated water cover;

and a water collecting hole is formed in the side wall of the central pipe.

2. The reverse osmosis membrane element of claim 1, wherein an attachment slot is provided on an outer side of the interactive end.

3. The reverse osmosis membrane element of claim 1, wherein said retaining end is provided with a retaining groove.

4. The reverse osmosis membrane element of claim 1, wherein the central tube has a wall thickness of 4 to 6 millimeters.

5. A reverse osmosis water purification apparatus comprising the reverse osmosis membrane element of any one of claims 1 to 4.

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