Nanofiltration membrane device convenient to clean

Abstract

The utility model provides a nanofiltration membrane device convenient to clean, which comprises a nanofiltration membrane device, the inner side of the nanofiltration membrane device is provided with a nanofiltration membrane body, the top of the nanofiltration membrane body is provided with a butt joint assembly, and the bottom of the nanofiltration membrane body is provided with a disassembly assembly; the butt-joint assembly comprises a butt-joint pipe which is in threaded connection with the top of the nanofiltration membrane body. According to the nanofiltration membrane device convenient to clean, the butt joint pipe is screwed at the top of the nanofiltration membrane body in a threaded mode, then the bottom of the nanofiltration membrane body is fixed to the threaded connector of the liquid inlet pipe at the top of the lifting plate, the nanofiltration membrane body is lifted through the disassembling assembly, and then the two butt joints are in butt joint; through the arrangement of the limiting block and the fixing column, sealing connection of the butt joint pipe and the discharge pipe is completed, the structure is simple and practical, cleaning is convenient, and the problem of poor sealing performance cannot occur after installation.

Description

TECHNICAL FIELD

[0001] The utility model relates to nanofiltration membrane field especially, it relates to a nanofiltration membrane device convenient to wash. BACKGROUND

[0002] Nanofiltration membrane: aperture is above 1nm, generally 1-2nm, it is the functional semipermeable membrane that allows solvent molecule or certain low molecular weight solute or low ion to pass through, it is a special and very promising separation membrane variety, and it is named because can intercept the size about nanometer, is used to remove the organic matter and colority of surface water, removes the hardness of underground water, partially removes the solubility salt, concentrates fruit juice and separates the useful substance in medicine etc.

[0003] Nanofiltration membrane device is a pressure-driven membrane separation technology between reverse osmosis and ultrafiltration, the aperture of nanofiltration membrane is between ultrafiltration membrane and reverse osmosis membrane, so its interception capacity for material is also between the two.

[0004] The working principle of nanofiltration membrane is based on liquid separation under the pressure difference driving, under the action of pressure, salt and small molecule material can pass through nanofiltration membrane, and macromolecular material is intercepted on one side of the membrane, application number: CN202120145792.7 discloses a nanofiltration membrane device convenient to wash, the filter screen is separated from the nanofiltration membrane device by rotating the column to drive the slide rail column to move downward, so that the filter screen is convenient to disassemble and clean, the problem that the disassembly process of the filter screen is complicated is solved, and the efficiency of filter screen cleaning is improved, however, when using the device, although the nanofiltration membrane can be quickly and conveniently disassembled, when installing, it is only reset, it is difficult to guarantee the installation and sealing of the nanofiltration membrane device and the butt joint pipeline, and the seepage may occur.

[0005] Therefore, it is necessary to provide a nanofiltration membrane device convenient to wash to solve the above technical problems. UTILITY MODEL CONTENT

[0006] The utility model provides a nanofiltration membrane device convenient to wash, solves in related technique, the existing part nanofiltration membrane device convenient to wash when using in prior art, there can be sealing not in place after disassembling, leading to the problem of leakage.

[0007] In order to solve the above technical problems, the utility model provides a nanofiltration membrane device convenient to wash, which comprises: a nanofiltration membrane device, a nanofiltration membrane body is arranged on the inner side of the nanofiltration membrane device, an interfacing assembly is arranged on the top of the nanofiltration membrane body, and a disassembly assembly is arranged on the bottom of the nanofiltration membrane body.

[0008] The docking assembly comprises a docking pipe which is screwed to the top of the nanofiltration membrane body, a first docking head is arranged on the top of the circumferential surface of the docking pipe, a second docking head is arranged on the top of the first docking head, and a discharge pipe is fixedly arranged on the inner side of the second docking head;

[0009] The split assembly comprises a guide rail which is horizontally arranged on the inner wall bottom of the nanofiltration membrane device, a sliding block is slidably arranged on the top of the guide rail, a rotating plate is rotatably arranged on the top of the sliding block, a lifting plate is slidably arranged on the inner side of the nanofiltration membrane device and at the bottom of the nanofiltration membrane body, and the bottom of the lifting plate is rotatably connected with the top of the rotating plate.

[0010] Preferably, a limiting ring is arranged on the inner side of the first docking head, a limiting block is slidably arranged on the inner side of the limiting ring, a first spring is arranged on the inner side of the limiting ring, and one end of the first spring close to the docking pipe is fixedly connected with the right side of the limiting block.

[0011] Preferably, a slot is arranged on the inner side of the first docking head, a fixed column is slidably arranged on the inner side of the slot, a second spring is arranged on the right side of the fixed column and on the inner side of the slot, and the fixed column and the right side of the limiting block are provided with an unlocking rod.

[0012] Preferably, a positioning ring is arranged on the bottom of the circumferential surface of the second docking head, and a positioning hole which is matched with the fixed column is arranged on the circumferential surface of the positioning ring.

[0013] Preferably, a drive air cylinder is arranged on the bottom of the inner wall of the nanofiltration membrane device, and the telescopic end on the left side of the drive air cylinder is fixedly connected with the right side of the sliding block.

[0014] Preferably, a liquid inlet pipe is communicated with the top of the lifting plate, and the inner side of the liquid inlet pipe is screwed with the bottom of the circumferential surface of the nanofiltration membrane body.

[0015] Compared with the related art, the nanofiltration membrane device provided by the utility model has the following beneficial effects:

[0016] The utility model provides a nanofiltration membrane device convenient to clean, through the thread of docking pipe is screwed in the top of nanofiltration membrane body, then the bottom of nanofiltration membrane body is fixed at the threaded interface of liquid inlet pipe on the top of lifting plate, through split assembly, nanofiltration membrane body is lifted, and then two docking heads are docked, through the setting of limiting block and fixed column, the sealed connection of docking pipe and discharge pipe is completed, and the structure is simple and practical, convenient to clean, and after installation, the problem of poor sealing performance does not occur. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1A preferred embodiment structure diagram of the nanofiltration membrane device convenient to clean is provided in the utility model.

[0018] Figure 2 For Figure 1 The structure diagram of the second joint part section view is shown in the figure.

[0019] Figure 3 For Figure 2 The structure diagram of the first joint part and the second joint part in the split state is shown in the figure.

[0020] Figure 4 For Figure 1 The lifting plate part structure diagram is shown in the figure.

[0021] Marked in the figure: 1, nanofiltration membrane device; 11, nanofiltration membrane body; 2, docking assembly; 21, docking pipe; 22, first joint; 221, limiting ring; 222, limiting block; 223, first spring; 224, slot; 225, fixed column; 226, second spring; 227, unlocking rod; 23, second joint; 231, positioning ring; 232, positioning hole; 24, discharge pipe; 3, split assembly; 31, guide rail; 32, sliding block; 33, rotating plate; 34, lifting plate; 35, driving cylinder; 36, liquid inlet pipe. DETAILED DESCRIPTION

[0022] The utility model will be further explained in connection with the drawings and embodiments.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 And Figure 4 Among them Figure 1 A preferred embodiment structure diagram of the nanofiltration membrane device convenient to clean is provided in the utility model. Figure 2 For Figure 1 The structure diagram of the second joint part section view is shown in the figure. Figure 3 For Figure 2 The structure diagram of the first joint part and the second joint part in the split state is shown in the figure. Figure 4 For Figure 1 The lifting plate part structure diagram is shown in the figure, a nanofiltration membrane device convenient to clean, comprising: nanofiltration membrane device 1, the inner side of nanofiltration membrane device 1 is provided with nanofiltration membrane body 11, the top of nanofiltration membrane body 11 is provided with docking assembly 2, the bottom of nanofiltration membrane body 11 is provided with split assembly 3.

[0024] The docking assembly 2 comprises a docking pipe 21 screwed on the top of the nanofiltration membrane body 11, a first docking head 22 is arranged on the top of the lateral surface of the docking pipe 21, a second docking head 23 is arranged on the top of the first docking head 22, and a discharge pipe 24 is fixedly arranged on the inner side of the second docking head 23;

[0025] The docking pipe 21 is directly screwed on the top of the nanofiltration membrane body 11, and no water leakage occurs. The first docking head 22 and the second docking head 23 are arranged to realize the mutual communication between the docking pipe 21 and the discharge pipe 24, so as to complete the installation of the nanofiltration membrane body 11 after the nanofiltration membrane body 11 is cleaned.

[0026] The split assembly 3 comprises a guide rail 31 horizontally arranged on the inner bottom wall of the nanofiltration membrane device 1, a sliding block 32 is slidably arranged on the top of the guide rail 31, a rotating plate 33 is rotatably arranged on the top of the sliding block 32, a lifting plate 34 is slidably arranged on the inner side of the nanofiltration membrane device 1 and located at the bottom of the nanofiltration membrane body 11, and the bottom of the lifting plate 34 is rotatably connected with the top of the rotating plate 33.

[0027] The extension of the output end of the driving cylinder 35 drives the sliding block 32 to slide to the left on the top of the guide rail 31, so as to rotate the rotating plate 33, lower the lifting plate 34, and pull the unlocking rod 227 outward by the hand to realize the split of the nanofiltration membrane body 11 and the upper discharge pipe 24, so that the nanofiltration membrane body 11 can be rotated, and then the nanofiltration membrane body 11 is rotated to separate the bottom thereof from the liquid inlet pipe 36, facilitating cleaning.

[0028] The inner side of the first docking head 22 is provided with a limiting ring 221, the inner side of the limiting ring 221 is slidably provided with a limiting block 222, the inner side of the limiting ring 221 is provided with a first spring 223, and one end of the first spring 223 close to the docking pipe 21 is fixedly connected with the right side of the limiting block 222.

[0029] By arranging the first spring 223, when the lifting plate 34 rises, the first docking head 22 and the second docking head 23 are docked, so that the positioning ring 231 penetrates into the inner side of the first docking head 22, and then the first spring 223 pushes out the limiting block 222 to make the limiting block 222 as shown in the figure Figure 2 Stuck on the top of the positioning ring 231 to prevent it from moving out.

[0030] The inner side of the first docking head 22 is provided with a slot 224, the inner side of the slot 224 is slidably provided with a fixed column 225, the right side of the fixed column 225 and the inner side of the slot 224 are provided with a second spring 226, and the right side of the fixed column 225 and the right side of the limiting block 222 are provided with an unlocking rod 227.

[0031] Through the arrangement of the fixed column 225, when the two butt joints butt joint, the second spring 226 pushes out the fixed column 225 to be inserted into the positioning hole 232, further improves the connection stability, realizes the butt joint of the upper and lower pipelines, and can also add a sealing ring between the two pipelines to further ensure the sealing effect.

[0032] The bottom of the second butt joint 23 is provided with a positioning ring 231, and the peripheral side of the positioning ring 231 is provided with a positioning hole 232 matched with the fixed column 225.

[0033] The bottom of the inner wall of the nanofiltration membrane device 1 is provided with a driving cylinder 35, and the left side of the telescopic end of the driving cylinder 35 is fixedly connected with the right side of the sliding block 32.

[0034] The top of the lifting plate 34 is communicated with a liquid inlet pipe 36, and the inner side of the liquid inlet pipe 36 is threadedly connected with the bottom of the peripheral side of the nanofiltration membrane body 11.

[0035] The working principle of the nanofiltration membrane device convenient to clean provided by the utility model is as follows:

[0036] First step: when the nanofiltration membrane body 11 needs to be cleaned, the fixed column 225 is separated from the positioning hole 232 by manually pulling the unlocking rod 227 outward, the limiting block 222 does not limit the positioning ring 231, at this time, the lifting plate 34 is driven to descend by the output end of the driving cylinder 35, so that the top of the nanofiltration membrane body 11 is separated from the discharge pipe 24, at this time, the nanofiltration membrane body 11 can be rotated to make the bottom thereof also separated from the liquid inlet pipe 36, so that the nanofiltration membrane body 11 can be cleaned.

[0037] Second step: when installing, the butt joint pipe 21 is screwed on the top of the nanofiltration membrane body 11, then the bottom of the nanofiltration membrane body 11 is fixed at the threaded interface of the liquid inlet pipe 36 on the top of the lifting plate 34, the nanofiltration membrane body 11 is lifted by the split assembly 3, so that the two butt joints butt joint, the sealing connection of the butt joint pipe 21 and the discharge pipe 24 is completed through the arrangement of the limiting block 222 and the fixed column 225, so that the stability and reliability after installation are realized.

[0038] Compared with the related art, the nanofiltration membrane device convenient to clean provided by the utility model has the following beneficial effects:

[0039] The butt joint pipe 21 is screwed on the top of the nanofiltration membrane body 11, then the bottom of the nanofiltration membrane body 11 is fixed at the threaded interface of the liquid inlet pipe 36 on the top of the lifting plate 34, the nanofiltration membrane body 11 is lifted by the split assembly 3, so that the two butt joints butt joint, the sealing connection of the butt joint pipe 21 and the discharge pipe 24 is completed through the arrangement of the limiting block 222 and the fixed column 225, so that the stability and reliability after installation are realized.

[0040] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A nanofiltration membrane device for ease of cleaning, characterized in that, Include: Nanofiltration membrane device (1), the inner side of the nanofiltration membrane device (1) is provided with a nanofiltration membrane body (11), the top of the nanofiltration membrane body (11) is provided with a docking assembly (2), and the bottom of the nanofiltration membrane body (11) is provided with a split assembly (3); The docking assembly (2) includes a docking pipe (21) screwed to the top of the nanofiltration membrane body (11), a first docking head (22) is arranged on the top of the circumferential surface of the docking pipe (21), a second docking head (23) is arranged on the top of the first docking head (22), and a discharge pipe (24) is fixedly arranged on the inner side of the second docking head (23); The split assembly (3) includes a guide rail (31) transversely arranged on the bottom of the inner wall of the nanofiltration membrane device (1), a sliding block (32) is slidably arranged on the top of the guide rail (31), a rotating plate (33) is rotatably arranged on the top of the sliding block (32), and a lifting plate (34) is slidably arranged on the inner side of the nanofiltration membrane device (1) and located at the bottom of the nanofiltration membrane body (11), and the bottom of the lifting plate (34) is rotatably connected with the top of the rotating plate (33).

2. The nanofiltration membrane device of claim 1, wherein, The inner side of the first docking head (22) is provided with a limiting ring (221), the inner side of the limiting ring (221) is slidably provided with a limiting block (222), the inner side of the limiting ring (221) is provided with a first spring (223), and one end of the first spring (223) close to the docking pipe (21) is fixedly connected with the right side of the limiting block (222).

3. The easy-to-clean nanofiltration membrane device according to claim 2, characterized in that The inner side of the first docking head (22) is provided with a slot (224), the inner side of the slot (224) is slidably provided with a fixed column (225), the right side of the fixed column (225) and located on the inner side of the slot (224) is provided with a second spring (226), and the fixed column (225) and the right side of the limiting block (222) are provided with an unlocking rod (227).

4. The nanofiltration membrane device of claim 3, wherein, The bottom of the circumferential surface of the second docking head (23) is provided with a positioning ring (231), and the circumferential surface of the positioning ring (231) is provided with a positioning hole (232) matched with the fixed column (225).

5. The easy-to-clean nanofiltration membrane device according to claim 1, wherein, The bottom of the inner wall of the nanofiltration membrane device (1) is provided with a drive cylinder (35), and the telescopic end of the left side of the drive cylinder (35) is fixedly connected with the right side of the sliding block (32).

6. The easy-to-clean nanofiltration membrane device according to claim 1, wherein, The top of the lifting plate (34) is communicated with a liquid inlet pipe (36), and the inner side of the liquid inlet pipe (36) is screwed with the bottom of the circumferential surface of the nanofiltration membrane body (11).

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