Water treatment membrane with gradually-changed hole pattern

Abstract

The utility model relates to the field of treatment membranes, in particular to a hole-type gradient water treatment membrane, which comprises a structural main body, a treatment membrane I and a treatment membrane II are arranged on the structural main body, a limiting frame is arranged between the treatment membrane I and the treatment membrane II, and edge strips are arranged on the peripheries of the treatment membrane I and the treatment membrane II. The fixing frame, the limiting rods, the limiting plates, the connecting plates, the fastening bolts, the bottom plate and the penetrating holes are used in cooperation, the problem that in the replacement and installation process of an existing treatment film, the replacement process is tedious is solved, the treatment film has the advantage of being convenient to replace, and the practicability of the treatment film is improved. According to the utility model, the limiting frame and the edge strips are matched for use, so that the treatment film I and the treatment film II can be prevented from being separated from the fixing frame, the treatment film I and the treatment film II are positioned and supported, and the limiting rod and the limiting plate can be prevented from moving when not needed by the matched use of the through holes; and meanwhile, a fixing effect is achieved.

Description

Technical Field

[0001] The utility model relates to the field of treatment membranes, and particularly relates to a water treatment membrane with gradually changing pore types. Background Art

[0002] Nanofiltration membrane separation is a method of separating, classifying, purifying, and enriching a binary or multicomponent gas or liquid mixture by utilizing the difference in the selective permeation performance of the membrane for each component in the mixture and using external energy or chemical potential difference as the driving force. The membrane pore size is in the nanometer range, and a membrane process suitable for separating dissolved components with a molecular weight of 100 - 1000 and a molecular size of about 1 nm is called nanofiltration.

[0003] During the long-term use of the treatment membrane, it needs to be replaced. However, during the replacement process of the existing treatment membrane, most are installed and fixed through bolts for the sewage treatment membrane, and the replacement process is cumbersome, reducing the practicability of the sewage treatment membrane.

[0004] Therefore, those skilled in the art have provided a water treatment membrane with gradually changing pore types to solve the problems raised in the above background art. Content of the Utility Model

[0005] To solve the above technical problems, the utility model provides a water treatment membrane with gradually changing pore types, including a structural main body. A first treatment membrane and a second treatment membrane are arranged on the structural main body. A limiting frame is arranged between the first treatment membrane and the second treatment membrane. Edge strips are arranged around the first treatment membrane and the second treatment membrane. Fixed frames are arranged on both sides of the first treatment membrane and the second treatment membrane, and several through holes are opened on the fixed frames.

[0006] Preferably: a top plate is arranged at the upper end of the limiting frame, and clamping grooves are opened between the limiting frame and the top plate.

[0007] Preferably: the internal thickness of the clamping groove is the same as the thickness of the first treatment membrane and the second treatment membrane, and the shapes of the first treatment membrane and the second treatment membrane are not limited. A groove body is opened inside the fixed frame, and a limiting rod is slidably connected inside the groove body. A limiting plate is fixed at the upper end of the limiting rod, and two connecting plates are fixed on the limiting rod.

[0008] Preferably: the two connecting plates are arranged with the same structure. A fastening bolt is fixed at the left end of the two connecting plates. The number of through holes is twelve, and they are symmetrically arranged in pairs. The fastening bolt passes through the inside of the through hole for fastening connection. The number of fixed frames is two. Bottom plates are fixed at the bottom of the fixed frames. The number of bottom plates is two and they are symmetrically arranged with each other. The number of the first treatment membrane and the second treatment membrane is two, which is set according to requirements.

[0009] Technical Effects and Advantages of the Utility Model

[0010] 1. By using a combination of a fixing frame, a limiting rod, a limiting plate, a connecting plate, a fastening bolt, a bottom plate, and a perforation, the present utility model solves the problem of the cumbersome replacement process of the existing film handling during replacement and installation. This film handling has the advantage of being easy to replace, improving the practicality of the film handling.

[0011] 2. By using a combination of a limiting frame and a side strip, the present utility model can prevent the first film handling and the second film handling from detaching from the fixing frame, and at the same time plays a role in positioning and supporting the first film handling and the second film handling. By using the perforation provided, it can prevent the limiting rod and the limiting plate from moving when not needed, and at the same time plays a fixing role. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of a pore-gradient water treatment membrane provided by an embodiment of the present application Figure 1 ;

[0013] Figure 2 is a schematic structural diagram of the first film handling in a pore-gradient water treatment membrane provided by an embodiment of the present application;

[0014] Figure 3 is a schematic structural diagram of the limiting frame in a pore-gradient water treatment membrane provided by an embodiment of the present application;

[0015] Figure 4 is a schematic structural diagram of the bottom plate in a pore-gradient water treatment membrane provided by an embodiment of the present application;

[0016] Figure 5 is a schematic structural diagram of the strip-shaped groove in a pore-gradient water treatment membrane provided by an embodiment of the present application;

[0017] Figure 6 is a schematic structural diagram of the limiting rod, the limiting plate, the connecting plate, and the fastening bolt in a pore-gradient water treatment membrane provided by an embodiment of the present application;

[0018] Figure 7 is a pore-gradient water treatment membrane provided by an embodiment of the present application Figure 5 at the structure diagram of location A;

[0019] Figure 8 is a pore-gradient water treatment membrane provided by an embodiment of the present application Figure 3 at the structure diagram of location B.

[0020] In the figure: 1, structural main body; 2, the first film handling; 3, the second film handling; 4, limiting frame; 5, top plate; 6, card slot; 7, side strip; 8, fixing frame; 9, limiting rod; 10, limiting plate; 11, connecting plate; 12, fastening bolt; 13, bottom plate; 14, perforation. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present utility model are given for the purpose of illustration and description, and are not exhaustive or limit the present utility model to the disclosed form. Many modifications and variations will be obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present utility model, and enable those of ordinary skill in the art to understand the present utility model and thus design various embodiments with various modifications suitable for specific purposes.

[0022] Embodiment 1

[0023] Please refer to Figures 1 to 8 , in this embodiment, a hole-profile-gradual water treatment membrane is provided, including a structural main body 1. A first treatment membrane 2 and a second treatment membrane 3 are arranged on the structural main body 1. A limiting frame 4 is arranged between the first treatment membrane 2 and the second treatment membrane 3. A top plate 5 is arranged at the upper end of the limiting frame 4. Slots 6 are formed between the limiting frame 4 and the top plate 5. The inner thickness of the slots 6 is the same as the thickness of the first treatment membrane 2 and the second treatment membrane 3. The shapes of the first treatment membrane 2 and the second treatment membrane 3 are not limited. Edge strips 7 are arranged around the first treatment membrane 2 and the second treatment membrane 3. Fixed frames 8 are arranged on both sides of the first treatment membrane 2 and the second treatment membrane 3. A slot body is formed inside the fixed frame 8. A limiting rod 9 is slidably connected inside the slot body. A limiting plate 10 is fixed at the upper end of the limiting rod 9. Two connecting plates 11 are fixed on the limiting rod 9. The two connecting plates 11 are arranged in the same structure. A fastening bolt 12 is fixed at the left end of the two connecting plates 11. A plurality of through holes 14 are formed in the fixed frame 8. The number of the through holes 14 is twelve, and the through holes 14 are symmetrically arranged in pairs. The fastening bolt 12 is inserted into the inside of the through hole 14 for fastening connection. The number of the fixed frames 8 is two, and a bottom plate 13 is fixed at the bottom of the fixed frame 8. The number of the bottom plates 13 is two and they are symmetrically arranged. The number of the first treatment membrane 2 and the second treatment membrane 3 is two, which is set according to requirements. When in use, when the first treatment membrane 2 and the second treatment membrane 3 need to be installed, the edge strips 7 are first used to limit the first treatment membrane 2 and the second treatment membrane 3, and the first treatment membrane 2, the second treatment membrane 3 and the edge strips 7 are inserted into the position between the two limiting plates 10 inside the fixed frame 8. When the first treatment membrane 2 and the second treatment membrane 3 need to be lifted or lowered, only the fastening bolt 12 on the limiting rod 9 needs to be moved up and down to a proper position, and the fastening bolt 12 is inserted into the through hole 14 and the hole of the limiting rod 9 to adjust the height of the first treatment membrane 2 and the second treatment membrane 3. When the first treatment membrane 2 and the second treatment membrane 3 need to be disassembled, first rotate the fastening bolt 12 counterclockwise to disassemble it, disassemble the edge strips 7, the first treatment membrane 2 and the second treatment membrane 3, and take out the limiting frame 4 to disassemble the two first treatment membranes 2 and the second treatment membranes 3, and the disassembly is convenient;

[0024] The utility model solves the problem of the cumbersome replacement process of the existing film handling during the replacement and installation process by the combined use of a fixing frame 8, a limiting rod 9, a limiting plate 10, a connecting plate 11, a fastening bolt 12, a bottom plate 13 and a perforation 14. The film handling has the advantage of being easy to replace, improving the practicability of the film handling;

[0025] By the combined use of the limiting frame 4 and the side strip 7, the utility model can prevent the first film 2 and the second film 3 from detaching from the fixing frame 8, and at the same time plays a role in positioning and supporting the first film 2 and the second film 3. By the combined use of the provided perforation 14, it can prevent the limiting rod 9 and the limiting plate 10 from moving when not needed, and at the same time plays a fixing role.

[0026] Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art and related fields based on the embodiments of the utility model without creative efforts shall fall within the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model, unless otherwise specified and limited, are implemented according to the conventional means in the art.

Claims

1. A pore-type gradient water treatment membrane, comprising a structural main body (1), characterized in that, A processing film one (2) and a processing film two (3) are arranged on a structure main body (1). A limiting frame (4) is arranged between the processing film one (2) and the processing film two (3). Edge strips (7) are arranged around the processing film one (2) and the processing film two (3). Fixed frames (8) are arranged on both sides of the processing film one (2) and the processing film two (3). A plurality of through holes (14) are formed in the fixed frames (8).

2. The pore-type gradient water treatment membrane according to claim 1, wherein, A top plate (5) is arranged at the upper end of the limiting frame (4). A clamping groove (6) is formed between the limiting frame (4) and the top plate (5).

3. The pore-type gradient water treatment membrane according to claim 2, wherein, The inner thickness of the clamping groove (6) is the same as the thickness of the processing film one (2) and the processing film two (3).

4. The pore-type gradient water treatment membrane according to claim 1, wherein, A groove body is formed inside the fixed frame (8), and a limiting rod (9) is slidably connected inside the groove body.

5. A hole type gradient water treatment membrane according to claim 4, characterized in that, A limiting plate (10) is fixed at the upper end of the limiting rod (9), and two connecting plates (11) are fixed on the limiting rod (9).

6. The pore type gradient water treatment membrane according to claim 5, characterized in that, The two connecting plates (11) are arranged in the same structure. A fastening bolt (12) is fixed at the left end of the two connecting plates (11).

7. A hole-profile-gradual water treatment membrane according to claim 1, wherein, The number of the through holes (14) is twelve, and the through holes (14) are symmetrically arranged in pairs.

8. A pore shape gradient type water treatment membrane according to claim 6, characterized in that, The fastening bolt (12) is inserted into the through hole (14) for fastening connection. The number of the fixed frames (8) is two.

9. The pore-type gradually-varied water treatment membrane according to claim 1, wherein A bottom plate (13) is fixed at the bottom of the fixed frame (8). The number of the bottom plates (13) is two, and they are symmetrically arranged. The number of the processing film one (2) and the processing film two (3) is two.

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