Membrane element size adapter

Abstract

The utility model discloses a membrane element size adapter, which comprises an air expansion shaft and two end cover bodies, the two end cover bodies are respectively embedded at two ends of the air expansion shaft, the two end cover bodies are symmetrically arranged, each end cover body comprises an end cover inner ring and an end cover outer ring, one end of each end cover inner ring is fixed with the surface of the corresponding end cover outer ring, and the other end of each end cover inner ring is fixed with the surface of the corresponding end cover outer ring. The end cover inner ring is connected with the pipe body in an embedded mode, four clamping grooves which are annularly distributed at equal intervals are formed in the surface of the end cover inner ring, the inflatable shaft comprises the pipe body and inflatable blocks fixed to the inner wall of the pipe body, and the inflatable blocks are connected with the clamping grooves in an embedded mode. The end cover bodies are embedded in the two ends of the inflatable shaft, the inflatable blocks are inflated after being connected with inflation equipment through the inflation inlets, the inflatable blocks are embedded into the clamping grooves after being inflated and expanded, the fixing stability is improved, the adapters are arranged on the outer sides of 2540 (2.5 inches) and 4040 (4 inches) membrane elements in a sleeving mode, the overall diameter of the adapters is changed into 8 inches, the end cover bodies can be matched with 8040 membrane element equipment, and the service life of the adapters is prolonged. And the economic investment of test equipment of manufacturers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of reverse osmosis membranes, in particular to a membrane element size adapter. Background Art

[0002] Reverse osmosis technology has a wide range of applications, a variety of products, and a variety of product sizes. Different sizes of equipment are required for different sizes of membrane elements.

[0003] At present, manufacturers or testing institutions need to prepare multiple types of testing equipment, which takes up a lot of space and has high equipment purchase, use and maintenance costs. Therefore, a membrane element size adapter is proposed. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the shortcomings of the prior art, the utility model provides a membrane element size adapter, which solves the problem that the existing membrane elements have many models and different sizes.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a membrane element size adapter, including an inflatable shaft and an end cover body, wherein two end cover bodies are provided and are respectively embedded at the two ends of the inflatable shaft, the two end cover bodies are symmetrically arranged and the end cover bodies include an end cover inner ring and an end cover outer ring, one end of the end cover inner ring is fixed to the surface of the end cover outer ring, the end cover inner ring is embedded in the tube body and the surface of the end cover inner ring is provided with four annular equidistantly distributed grooves, the inflatable shaft includes a tube body and an inflatable block fixed to the inner wall of the tube body, and the inflatable block is embedded in the groove.

[0008] As a further preferred embodiment of the present invention, there are five groups of air expansion blocks, and four air expansion blocks are arranged in each group, and the four air expansion blocks are distributed equidistantly in a ring shape.

[0009] As a further preferred embodiment of the present invention, an inner sealing ring groove is provided on the surface of the outer ring of the end cover, and an outer sealing ring groove is provided on the side wall of the outer ring of the end cover.

[0010] As a further preferred embodiment of the present invention, inner sealing ring grooves 2 corresponding to the inner sealing ring groove 1 are respectively formed at both ends of the tube body.

[0011] As a further preferred embodiment of the present invention, the material of the tube body and the inflatable shaft is one of PI plastic and PPS plastic.

[0012] (III) Beneficial effects

[0013] The utility model provides a membrane element size adapter, which has the following beneficial effects:

[0014] The utility model has an end cover body embedded in both ends of the air expansion shaft, and the air expansion block is inflated after being connected to the air inflation device through the air inflation port. After the air expansion block is inflated, it is embedded in the card slot to improve the stability of the fixation. The adapter is set on the outside of the 2540 (2.5 inches) and 4040 (4 inches) membrane elements to make the overall diameter become 8 inches, which can be adapted to the 8040 membrane element equipment. The equipment has strong adaptability and reduces the economic investment of the manufacturer's testing equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the overall structural diagram of the membrane element size adapter of the utility model;

[0016] Figure 2 This is a structural diagram of the end cover body of the utility model;

[0017] Figure 3 This is a structural diagram of the inflatable shaft of the utility model;

[0018] Figure 4 It is a cross-sectional view of the inflatable shaft of the utility model.

[0019] In the figure: 101, end cover body; 102, slot; 103, end cover outer ring; 104, inner sealing ring groove 1; 105, outer sealing ring groove; 106, end cover inner ring; 201, inflatable shaft; 202, tube body; 203, inflation port; 204, inner sealing ring groove 2; 205, inflatable block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4The embodiment of the utility model provides a technical solution: a membrane element size adapter, including an inflatable shaft 201 and an end cover body 101, two end cover bodies 101 are provided and are respectively embedded at the two ends of the inflatable shaft 201, the two end cover bodies 101 are symmetrically arranged and the end cover body 101 includes an end cover inner ring 106 and an end cover outer ring 103, one end of the end cover inner ring 106 is fixed to the surface of the end cover outer ring 103, the end cover inner ring 106 is embedded and connected with the tube body 202, and the surface of the end cover inner ring 106 is provided with four annular equidistantly distributed grooves 102, the inflatable shaft 201 includes a tube body 202 and an inflatable block fixed to the inner wall of the tube body 202, and the inflatable block is embedded and connected with the groove 102. The inner ring 106 of the end cap is 6 inches in length, 5 inches in outer diameter, and 4 inches or 2.5 inches in inner diameter; the outer ring 103 of the end cap is 3 inches in length, 8 inches in outer diameter, and 4 inches or 2.5 inches in inner diameter; the outer diameter of the tube body 202 is 8 inches, the inner diameter is 5 inches, and the length is 34 inches.

[0022] As a further improvement, there are five groups of air expansion blocks and four air expansion blocks are arranged in each group. The four air expansion blocks are equidistantly distributed in a ring shape. After being inflated, the air expansion blocks are embedded in the slots 102 to fix the end cover inner ring 106 from four directions.

[0023] As a further improvement, an inner sealing ring groove 104 is provided on the surface of the end cover outer ring 103, an outer sealing ring groove 105 is provided on the side wall of the end cover outer ring 103, and a sealing ring is installed in the outer sealing ring groove 105 to improve the sealing performance.

[0024] As a further improvement, inner sealing ring grooves 204 corresponding to the inner sealing ring grooves 104 are respectively provided at both ends of the tube body 202, and a sealing ring is installed between the inner sealing ring grooves 104 and 204 to improve the sealing performance.

[0025] As a further improvement, the material of the tube body 202 and the inflatable shaft 201 is one of PI plastic and PPS plastic.

[0026] Working principle: install a sealing ring on the water inlet end of the membrane element; put the end cover on the water inlet end of the membrane element, and put the inner sealing ring into the inner sealing ring groove of the end cover; put the membrane element into the air shaft 201 until the end cover is close to the air shaft 201; after the other end cover is installed with the inner sealing ring, it is installed on the other side of the air shaft 201; rotate the end covers on both sides to make the air block 205 fit into the air slot 102; inflate at the inflation port 203 to make the air block 205 press against the end cover and the membrane element; put the outer sealing ring on the outer sealing ring groove 105 of the end cover at the water inlet end; install the membrane element into the testing equipment for testing.

[0027] The utility model includes 101, end cover body; 102, card slot; 103, end cover outer ring; 104, inner sealing ring groove 1; 105, outer sealing ring groove; 106, end cover inner ring; 201, air expansion shaft; 202, tube body; 203, inflation port; 204, inner sealing ring groove 2; 205, air expansion block. All the components are universal standard parts or components known to those skilled in the art. Their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. The utility model solves the problem that manufacturers or testing institutions need to prepare more The problem of various types of testing equipment occupying a large space and having high equipment purchase, use and maintenance costs is solved by the utility model. Through the combination of the above components, the end cover body of the utility model is embedded in the two ends of the air expansion shaft, and the air expansion block is inflated after being connected to the air inflation device through the inflation port. After the air expansion block is inflated, it is embedded in the card slot to improve the stability of the fixation. The adapter is set on the outside of the 2540 (2.5 inches) and 4040 (4 inches) membrane elements to make the overall diameter become 8 inches, which can be adapted to the 8040 membrane element equipment. The equipment has strong adaptability and reduces the economic investment of the manufacturer's testing equipment.

[0028] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A membrane element size adapter, comprising an inflatable shaft (201) and an end cover body (101), Features: Two end cover bodies (101) are provided and are respectively embedded at the two ends of the inflatable shaft (201). The two end cover bodies (101) are symmetrically arranged and the end cover bodies (101) include an end cover inner ring (106) and an end cover outer ring (103). One end of the end cover inner ring (106) is fixed to the surface of the end cover outer ring (103). The end cover inner ring (106) is embedded and connected to the tube body (202). The surface of the end cover inner ring (106) is provided with four annular equidistantly distributed grooves (102). The inflatable shaft (201) includes a tube body (202) and an inflatable block (205) fixed to the inner wall of the tube body (202). The inflatable block (205) is embedded and connected to the groove (102).

2. A membrane element size adapter according to claim 1, Features: There are five groups of the air expansion blocks (205), and four air expansion blocks (205) are arranged in each group. The four air expansion blocks (205) are distributed in an annular shape and at equal intervals.

3. A membrane element size adapter according to claim 1, Features: An inner sealing ring groove (104) is provided on the surface of the end cover outer ring (103), and an outer sealing ring groove (105) is provided on the side wall of the end cover outer ring (103).

4. A membrane element size adapter according to claim 1, Features: The two ends of the tube body (202) are respectively provided with inner sealing ring grooves 2 (204) corresponding to the inner sealing ring groove 1 (104).

5. A membrane element size adapter according to claim 1, Features: The material of the tube body (202) and the inflatable shaft (201) is one of PI plastic and PPS plastic.

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