Reverse osmosis membrane shell end cover plate

Abstract

The utility model provides a reverse osmosis membrane shell end cover plate, relates to the technical field, and solves the problems that the existing reverse osmosis membrane shell end cover is easy to leak, corrodes a base and affects the service life. The membrane end sealing structure comprises a membrane end and a membrane end base, a water outlet connecting hole matched with the clear liquid outlet end of a membrane core is axially formed in a connecting column in a penetrating mode, the membrane end base is arranged at the position, located at the lower end of a blocking ring, of the connecting column in a sleeving mode, and at least two outer sealing ring installation grooves are formed in the outer wall of the blocking ring. An outer sealing ring matched with the outer sealing ring mounting groove is arranged on the outer sealing ring mounting groove, an inner sealing ring mounting groove is formed in the inner wall of one end, close to the membrane core, of the water outlet connecting hole, and an inner sealing ring matched with the inner sealing ring mounting groove is arranged on the inner sealing ring mounting groove. The sealing device has the advantages that the overall sealing effect can be improved, corrosion can be avoided when leakage occurs, the overall service life is prolonged, and the sealing device can be conveniently mounted and dismounted.

Description

Technical Field

[0001] The utility model relates to the technical field, in particular to an end cover plate of a reverse osmosis membrane shell. Background Art

[0002] The existing reverse osmosis membrane shell end cover is sealed with a single sealing ring, and the base is made of aluminum. Due to the high reverse osmosis pressure, about 30bra, leakage is prone to occur when a single sealing ring is used under high pressure. After liquid leakage, due to the high salt content of the liquid, the aluminum and salt react and expand in volume, which easily corrodes the base, making the expanded base difficult to remove. In severe cases, destructive removal is required. Utility Model Content

[0003] The utility model aims to solve the problem that the existing reverse osmosis membrane shell end cover is sealed by a single sealing ring and the base is made of aluminum, which is prone to leakage and corrosion of the base, thus shortening the service life.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A reverse osmosis membrane shell end cover, comprising a membrane end head and a membrane end head base, wherein the membrane end head is detachably mounted in the bottom of the membrane shell, and is characterized in that: the membrane end head comprises a blocking ring and a connecting column, the blocking ring is arranged on the middle outer wall of the connecting column, one end of the connecting column is connected to the clear liquid outlet end of the membrane core in the membrane shell, the connecting column is axially penetrated to open a water outlet connecting hole which is mutually compatible with the clear liquid outlet end of the membrane core, the membrane end head base is sleeved on the connecting column at the lower end of the blocking ring, at least two outer sealing ring mounting grooves are opened on the outer wall of the blocking ring, outer sealing rings which are compatible therewith are arranged on the outer sealing ring mounting grooves, an inner sealing ring which is compatible therewith is arranged on the inner wall of the water outlet connecting hole close to one end of the membrane core, and an inner sealing ring which is compatible therewith is arranged on the inner sealing ring mounting groove.

[0006] A further improvement is that: the membrane end base is a stainless steel base.

[0007] A further improvement is that a clamping ring is provided on the outer edge of the bottom of the membrane end base, and the clamping ring is matched with the mounting groove of the inner wall of the membrane shell.

[0008] A further improvement is that a plurality of clamping ring connecting screw holes and taking screw holes are arranged on the outer surface of the clamping ring.

[0009] A further improvement is that one end of the connecting column is connected to the clear liquid outlet end of the membrane core through a thrust flange.

[0010] A further improvement is that a pipeline connection thread is provided on the outer peripheral surface of the other end of the connecting column.

[0011] A further improvement is that the blocking ring and the connecting column are integrally formed.

[0012] A further improvement is that: the outer wall of the connecting column located at the bottom surface of the membrane end base is provided with a buckle installation groove, and a stainless steel buckle adapted thereto is provided in the buckle installation groove.

[0013] Compared with the existing technology, the above technical solution has the following beneficial effects:

[0014] The overall sealing effect can be improved by multiple layers of sealing rings inside and outside. At the same time, the base of the membrane end is made of stainless steel, which can avoid corrosion when leakage occurs and improve the overall service life. It can be detachably installed through the cooperation of the clamping ring and the clamping groove, and the screw holes can be used for convenient installation and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the connection structure of the utility model with the membrane core and the membrane shell;

[0017] Figure 2 It is a structural schematic diagram of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the middle membrane end 5 of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the membrane end base 6 of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the stainless steel buckle 7 in the utility model;

[0021] Figure 6 It is a schematic diagram of the structure of the outer sealing ring 8 in the utility model;

[0022] Figure 7 It is a structural schematic diagram of the inner sealing ring 9 in the utility model.

[0023] Explanation of the accompanying drawings: membrane shell 1, membrane core 2, thrust flange 3, mounting slot 4, membrane end 5, membrane end base 6, stainless steel clip 7, outer sealing ring 8, inner sealing ring 9, pipeline connection thread 51, clip mounting groove 52, outer sealing ring mounting groove 53, inner sealing ring mounting groove 54, water outlet connecting hole 55, blocking ring 56, connecting column 57, mounting hole 61, snap ring 62, snap ring connecting screw hole 63, taking screw hole 64. DETAILED DESCRIPTION

[0024] See also Figure 1-Figure 7 As shown, the technical solution adopted in this specific embodiment is: a reverse osmosis membrane shell, including a membrane shell 1, a membrane core 2 is installed in the membrane shell 1, and a mounting slot 4 is provided on the bottom inner wall of the membrane shell 1; a reverse osmosis membrane shell end cover plate, including a membrane end head 5 and a membrane end head base 6, the membrane end head 5 is detachably installed in the bottom of the membrane shell 1, the membrane end head 5 includes a blocking ring 56 and a connecting column 57, the blocking ring 56 is arranged on the middle outer wall of the connecting column 57, and one end of the connecting column 57 is connected to the clear liquid outlet end of the membrane core 2 in the membrane shell 1 The connecting column 57 is axially penetrated to form a water outlet connecting hole 55 which is compatible with the clear liquid outlet end of the membrane core 2. The membrane end base 6 is sleeved on the connecting column 57 at the lower end of the blocking ring 56. The outer wall of the blocking ring 56 is provided with at least two outer sealing ring mounting grooves 53, and the outer sealing ring mounting grooves 53 are provided with outer sealing rings 8 which are compatible with them. The inner wall of the water outlet connecting hole 55 close to one end of the membrane core 2 is provided with an inner sealing ring mounting groove 54, and the inner sealing ring mounting groove 54 is provided with an inner sealing ring 9 which is compatible with it.

[0025] Wherein, the membrane end base 6 is a stainless steel base.

[0026] Wherein, a clamping ring 62 is arranged on the outer edge of the bottom of the membrane end base 6 , and the clamping ring 62 is matched with the inner wall mounting groove 4 of the membrane shell 1 .

[0027] The outer surface of the clamping ring 62 is provided with a plurality of clamping ring connecting screw holes 63 and taking screw holes 64. The clamping ring 62 is detachably connected to the installation slot 4 through the clamping ring connecting screw holes 63 and the bolts, and the setting of the taking screw holes 64 can facilitate the installation of the membrane end 5.

[0028] The water outlet connection hole 55 is used to connect with the clear liquid outlet of the membrane core 2 .

[0029] One end of the connecting column 57 is connected to the clear liquid outlet end of the membrane core 2 through the thrust flange 3 .

[0030] The outer peripheral surface of the other end of the connecting column 57 is provided with a pipeline connection thread 51. The membrane end head 5 is connected to the external pipeline through the pipeline connection thread 51.

[0031] The blocking ring 56 and the connecting column 57 are integrally formed.

[0032] The connecting column 57 is located at the bottom surface of the membrane end base 6 and has a buckle installation groove 52 on its outer wall, and a stainless steel buckle 7 adapted thereto is arranged in the buckle installation groove 52 .

[0033] The working principle of the utility model is as follows: a plurality of outer sealing ring mounting grooves are provided on the outer wall of the blocking ring of the membrane end and matched with the corresponding outer sealing rings, and an inner sealing ring mounting groove is provided on the inner wall of the water outlet connecting hole of the membrane end and matched with the corresponding inner sealing ring. The overall sealing effect can be improved by multiple layers of multiple sealing rings. At the same time, the base of the membrane end is made of stainless steel, which can avoid corrosion when leakage occurs and improve the overall service life. It can be detachably installed by matching the clamping ring and the clamping groove, and can be easily installed and disassembled by matching with the screw holes.

[0034] The above shows and describes the basic principle and main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents. Anything not described in detail in the utility model is a well-known technology of those skilled in the art.

Claims

1. A reverse osmosis membrane shell end cover plate, comprising a membrane end head and a membrane end head base, wherein the membrane end head is detachably mounted in the bottom of the membrane shell, characterized in that: The membrane end head includes a blocking ring and a connecting column, the blocking ring is arranged on the outer wall in the middle part of the connecting column, one end of the connecting column is connected to the clear liquid outlet end of the membrane core in the membrane shell, the connecting column is axially penetrated with a water outlet connecting hole that is compatible with the clear liquid outlet end of the membrane core, the membrane end head base is sleeved on the connecting column at the lower end of the blocking ring, at least two outer sealing ring mounting grooves are opened on the outer wall of the blocking ring, outer sealing rings that are compatible with them are arranged on the outer sealing ring mounting grooves, an inner sealing ring mounting groove is arranged on the inner wall of the water outlet connecting hole close to one end of the membrane core, and an inner sealing ring that is compatible with it is arranged on the inner sealing ring mounting groove.

2. A reverse osmosis membrane shell end cover according to claim 1, characterized in that: The membrane end base is a stainless steel base.

3. The reverse osmosis membrane shell end cover plate according to claim 1, characterized in that: A clamping ring is arranged on the outer edge of the bottom of the membrane end base, and the clamping ring is matched with the mounting groove of the inner wall of the membrane shell.

4. A reverse osmosis membrane shell end cover plate according to claim 3, characterized in that: The outer surface of the clamping ring is provided with a plurality of clamping ring connecting screw holes and taking screw holes.

5. The reverse osmosis membrane shell end cover plate according to claim 1, characterized in that: One end of the connecting column is connected to the clear liquid outlet end of the membrane core through a thrust flange.

6. A reverse osmosis membrane shell end cover plate according to claim 5, characterized in that: The outer peripheral surface of the other end of the connecting column is provided with a pipeline connecting thread.

7. The reverse osmosis membrane shell end cover plate according to claim 1, characterized in that: The blocking ring and the connecting column are integrally formed.

8. The reverse osmosis membrane shell end cover plate according to claim 1, characterized in that: The outer wall of the connecting column located at the bottom surface of the membrane end base is provided with a buckle installation groove, and a stainless steel buckle adapted thereto is provided in the buckle installation groove.

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