Inorganic flat ultrafiltration membrane flushing device

Abstract

The utility model relates to the technical field of brine treatment, in particular to an inorganic flat plate ultrafiltration membrane flushing device which comprises a shell, an inorganic flat plate ultrafiltration membrane, a connecting mechanism, a forward flushing mechanism and a reverse flushing mechanism, the inorganic flat ultrafiltration membrane is connected with the shell through a connecting mechanism, the connecting mechanism comprises an upper connecting seat, an upper elastic element, a lower connecting seat and a lower elastic element, the upper connecting seat is fixedly connected with the shell, and the upper connecting seat is located above the inorganic flat ultrafiltration membrane; the forward flushing mechanism is used for flushing the inorganic flat ultrafiltration membrane; the reverse flushing mechanism is used for flushing the inorganic flat plate ultrafiltration membrane, the inorganic flat plate ultrafiltration membrane can elastically vibrate through up-down arrangement of the forward and reverse flushing mechanisms and an elastic structure in the connecting mechanism, blockages are removed through forward water flow from top to bottom and reverse water flow from bottom to top, and the cleaning efficiency is improved through bidirectional shearing force; and the inorganic flat ultrafiltration membrane is allowed to generate multidirectional micro-amplitude vibration under the impact of flushing water flow.

Description

Technical Field

[0001] This utility model relates to the field of brine treatment technology, and in particular to an inorganic flat-plate ultrafiltration membrane flushing device. Background Technology

[0002] Inorganic flat-plate ultrafiltration membrane technology is widely used in water treatment, but membrane fouling remains a key factor limiting its efficiency and lifespan. Traditional cleaning methods mainly include chemical soaking, backwashing, and aeration rinsing. However, these methods have significant drawbacks: chemical cleaning: high cost of chemicals, easy residue causing secondary pollution, and frequent use can damage the membrane material; mechanical vibration cleaning: existing vibration devices mostly use rigid connections, which can easily lead to stress concentration and damage to the membrane structure. Utility Model Content

[0003] The technical problem to be solved by this utility model is: in order to overcome the problems of high cost of reagents, easy residue causing secondary pollution, frequent use damaging membrane materials, and the rigid connection of vibration devices, which easily leads to stress concentration and damage to the membrane structure, an inorganic flat sheet ultrafiltration membrane flushing device is provided.

[0004] The technical solution adopted by this utility model to solve its technical problem is: an inorganic flat plate ultrafiltration membrane flushing device, including a shell and an inorganic flat plate ultrafiltration membrane, a connecting mechanism, a forward flushing mechanism and a reverse flushing mechanism arranged in the shell;

[0005] The inorganic flat-plate ultrafiltration membrane is connected to the housing via a connecting mechanism. The connecting mechanism includes an upper connecting seat, an upper elastic element, a lower connecting seat, and a lower elastic element. The upper connecting seat is fixedly connected to the housing and is located above the inorganic flat-plate ultrafiltration membrane. One end of the upper elastic element is connected to the upper connecting seat, and the other end is connected to the top surface of the inorganic flat-plate ultrafiltration membrane. The lower connecting seat is fixedly connected to the housing and is located below the inorganic flat-plate ultrafiltration membrane. One end of the lower elastic element is connected to the lower connecting seat, and the other end is connected to the bottom surface of the inorganic flat-plate ultrafiltration membrane.

[0006] The forward flushing mechanism is used to flush the inorganic flat sheet ultrafiltration membrane, and the forward flushing mechanism is located above the inorganic flat sheet ultrafiltration membrane;

[0007] The reverse flushing mechanism is used to flush the inorganic flat sheet ultrafiltration membrane. The reverse flushing mechanism is located below the inorganic flat sheet ultrafiltration membrane. The arrangement of the forward and reverse flushing mechanisms and the elastic structure inside the connecting mechanism enable the inorganic flat sheet ultrafiltration membrane to vibrate elastically. The forward water flow from top to bottom and the reverse water flow from bottom to top remove the blockage. The bidirectional shear force improves the cleaning efficiency and allows the inorganic flat sheet ultrafiltration membrane to generate multi-directional micro-amplitude vibrations under the impact of the flushing water flow.

[0008] To address the issue of low vibration amplitude in inorganic flat-plate ultrafiltration membranes, a further connection mechanism is included, comprising a water storage tank and a reset element. The water storage tank is rotatably connected to the inorganic flat-plate ultrafiltration membrane. The water storage tank is used to receive liquid and rotates to empty the liquid after reaching a threshold. One end of the reset element is connected to the water storage tank, and the other end is connected to the inorganic flat-plate ultrafiltration membrane.

[0009] To address the issue of inconsistent deflection direction of the water storage tank, a further improvement is made where the water storage tank deflects outwards even when it is empty of liquid.

[0010] The upper connector has an upper receiving groove on its bottom surface for accommodating the upper elastic element, and the upper elastic element is located in the upper receiving groove.

[0011] The bottom surface of the lower connector is provided with a lower receiving groove to accommodate the lower elastic element, and the lower elastic element is located in the lower receiving groove.

[0012] The device further includes a forward flushing mechanism comprising a forward water pump and a forward flushing pipe, wherein the output end of the forward water pump and the input end of the forward flushing pipe are connected, the forward water pump is located outside the housing, and the forward flushing pipe is located inside the housing.

[0013] The device further includes a backwashing mechanism comprising a backwash pump and a backwash pipe, wherein the output end of the backwash pump and the input end of the backwash pipe are connected, the backwash pump is located outside the housing, and the backwash pipe is located inside the housing.

[0014] The inorganic flat-plate ultrafiltration membrane washing device further includes an aeration mechanism, which includes an aeration disc located inside the housing and below the inorganic flat-plate ultrafiltration membrane.

[0015] The beneficial effects of this utility model are as follows: The inorganic flat sheet ultrafiltration membrane flushing device provided by this utility model enables the inorganic flat sheet ultrafiltration membrane to vibrate elastically through the vertical arrangement of the forward and reverse flushing mechanisms and the elastic structure inside the connecting mechanism. The forward water flow from top to bottom and the reverse water flow from bottom to top remove blockages. The bidirectional shear force improves the cleaning efficiency and allows the inorganic flat sheet ultrafiltration membrane to generate multi-directional micro-amplitude vibrations under the impact of the flushing water flow. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the inorganic flat-sheet ultrafiltration membrane of this utility model.

[0019] In the diagram: 1. Shell, 11. Ventilation hood, 2. Inorganic flat plate ultrafiltration membrane, 3. Connecting mechanism, 31. Upper connecting seat, 311. Upper receiving groove, 32. Upper elastic element, 33. Lower connecting seat, 331. Lower receiving groove, 34. Lower elastic element, 35. Water storage tank, 36. Reset element, 4. Forward flushing mechanism, 41. Forward water pump, 42. Forward flushing pipe, 5. Backward flushing mechanism, 51. Backward water pump, 52. Backward flushing pipe, 6. Aeration mechanism, 61. Air tank. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0021] like Figure 1 This is a schematic diagram of the structure of the present invention. An inorganic flat sheet ultrafiltration membrane flushing device includes a housing 1 and an inorganic flat sheet ultrafiltration membrane 2, a connecting mechanism 3, a forward flushing mechanism 4 and a reverse flushing mechanism 5 arranged in the housing 1.

[0022] like Figure 2 As shown, the inorganic flat-plate ultrafiltration membrane 2 is connected to the housing 1 through the connecting mechanism 3. The connecting mechanism 3 includes an upper connecting seat 31, an upper elastic element 32, a lower connecting seat 33, and a lower elastic element 34. The upper connecting seat 31 is fixedly connected to the housing 1 and is located above the inorganic flat-plate ultrafiltration membrane 2. One end of the upper elastic element 32 is connected to the upper connecting seat 31, and the other end is connected to the top surface of the inorganic flat-plate ultrafiltration membrane 2. The lower connecting seat 33 is fixedly connected to the housing 1 and is located below the inorganic flat-plate ultrafiltration membrane 2. One end of the lower elastic element 34 is connected to the lower connecting seat 33, and the other end is connected to the bottom surface of the inorganic flat-plate ultrafiltration membrane 2.

[0023] The top surface of the housing 1 has a ventilation hood 11.

[0024] like Figure 1 As shown, the forward flushing mechanism 4 is used to flush the inorganic flat sheet ultrafiltration membrane 2, and the forward flushing mechanism 4 is located above the inorganic flat sheet ultrafiltration membrane 2; the reverse flushing mechanism 5 is used to flush the inorganic flat sheet ultrafiltration membrane 2, and the reverse flushing mechanism 5 is located below the inorganic flat sheet ultrafiltration membrane 2. The arrangement of the forward and reverse flushing mechanisms and the elastic structure inside the connecting mechanism 3 enable the inorganic flat sheet ultrafiltration membrane 2 to vibrate elastically. The forward water flow from top to bottom and the reverse water flow from bottom to top remove the blockage. The bidirectional shear force improves the cleaning efficiency and allows the inorganic flat sheet ultrafiltration membrane 2 to generate multi-directional micro-amplitude vibrations under the impact of the flushing water flow.

[0025] like Figure 2As shown, the connecting mechanism 3 includes a water storage tank 35 and a reset element 36. The water storage tank 35 is rotatably connected to the inorganic flat plate ultrafiltration membrane 2. The water storage tank 35 is used to receive liquid and rotates to pour out the liquid after reaching the threshold. One end of the reset element 36 is connected to the water storage tank 35 and the other end is connected to the inorganic flat plate ultrafiltration membrane 2. Periodic water storage and pouring generate pulse vibration, which, together with the upper elastic element 32 and the lower elastic element 34, forms a composite vibration mode, thereby increasing the vibration amplitude of the inorganic flat plate ultrafiltration membrane.

[0026] When the water tank 35 is empty, it is deflected outwards. The angle of the water tank 35 can be 5°-20° to ensure the water storage capacity and trigger threshold.

[0027] The bottom surface of the upper connecting seat 31 is provided with an upper receiving groove 311 for accommodating the upper elastic element 32. The upper elastic element 32 is located in the upper receiving groove 311 to prevent the upper elastic element 32 from being stuck by external impurities, limit the vibration stroke, and avoid excessive deformation.

[0028] The bottom surface of the lower connecting seat 33 is provided with a lower receiving groove 331 for accommodating the lower elastic element 34. The lower elastic element 34 is located in the lower receiving groove 331 to prevent the lower elastic element 34 from being stuck by external impurities, limit the vibration stroke, and avoid excessive deformation.

[0029] like Figure 1 As shown, the forward flushing mechanism 4 includes a forward water pump 41 and a forward flushing pipe 42. The output end of the forward water pump 41 is connected to the input end of the forward flushing pipe 42. The forward water pump 41 is located outside the housing 1, and the forward flushing pipe 42 is located inside the housing 1.

[0030] like Figure 1 As shown, the backwashing mechanism 5 includes a backwash pump 51 and a backwash pipe 52. The output end of the backwash pump 51 is connected to the input end of the backwash pipe 52. The backwash pump 51 is located outside the housing 1, and the backwash pipe 52 is located inside the housing 1.

[0031] like Figure 1 As shown, the inorganic flat-plate ultrafiltration membrane washing device also includes an aeration mechanism 6, which includes an aeration disc located inside the housing 1 and below the inorganic flat-plate ultrafiltration membrane 2. The aeration mechanism 6 also includes an air tank 61, the output end of which is connected to the input end of the aeration disc.

[0032] Work process:

[0033] Inorganic flat sheet ultrafiltration membrane fixation: The inorganic flat sheet ultrafiltration membrane is elastically suspended in the shell by the upper and lower elastic elements 32 and 34, and is in a stable tensile state.

[0034] The liquid to be treated enters from the housing and is filtered through the micropores of the inorganic flat sheet ultrafiltration membrane 2 under pressure, while pollutants are trapped on the membrane surface.

[0035] Rinsing stage: The forward water pump 41 starts and sprays clean water / cleaning solution from above the membrane through the forward rinsing pipe 42. The water flow impacts the surface of the inorganic flat sheet ultrafiltration membrane 2 from top to bottom, peeling off loose surface pollutants. The impact force causes the inorganic flat sheet ultrafiltration membrane 2 to move downward, stretching the upper elastic element 32 and compressing the lower elastic element 34, storing elastic potential energy. At the moment the rinsing stops, the elastic element releases energy, causing the inorganic flat sheet ultrafiltration membrane 2 to rebound upward, generating high-frequency micro-amplitude vibration.

[0036] The reverse water pump 51 starts, spraying the cleaning solution from below the membrane upward through the reverse flushing pipe 52. The reverse water flow penetrates the membrane pores, removing deep-seated contaminants. The impact force pushes the inorganic flat sheet ultrafiltration membrane upward, compressing the upper elastic element 32 and stretching the lower elastic element 34, thus accumulating elastic potential energy again.

[0037] During the rinsing process, some water flows into the water storage tank 35. As the water volume increases, the upper elastic element 32 is stretched and the lower elastic element 34 is compressed, storing elastic potential energy. The center of gravity of the water storage tank 35 gradually shifts. When the water volume in the water storage tank 35 reaches the threshold, the water storage tank 35 rotates around the outer side of the housing 1 due to gravity imbalance. After the water in the water storage tank 35 is emptied, the lower elastic element 34 releases the accumulated elastic potential energy, thereby enabling the inorganic flat plate ultrafiltration membrane 2 to generate a larger amplitude, thereby improving the effect of removing pollutants or impurities on the inorganic flat plate ultrafiltration membrane 2.

[0038] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. An inorganic flat-sheet ultrafiltration membrane rinsing device, characterized in that, It includes a housing (1) and an inorganic flat sheet ultrafiltration membrane (2) arranged in the housing (1), a connecting mechanism (3), a forward flushing mechanism (4) and a reverse flushing mechanism (5); The inorganic flat-plate ultrafiltration membrane (2) is connected to the housing (1) via a connecting mechanism (3). The connecting mechanism (3) includes an upper connecting seat (31), an upper elastic element (32), a lower connecting seat (33), and a lower elastic element (34). The upper connecting seat (31) is fixedly connected to the housing (1). The upper connecting seat (31) is located above the inorganic flat-plate ultrafiltration membrane (2). One end of the upper elastic element (32) is connected to the upper connecting seat (31), and the other end is connected to the top surface of the inorganic flat-plate ultrafiltration membrane (2). The lower connecting seat (33) is fixedly connected to the housing (1). The lower connecting seat (33) is located below the inorganic flat-plate ultrafiltration membrane (2). One end of the lower elastic element (34) is connected to the lower connecting seat (33), and the other end is connected to the bottom surface of the inorganic flat-plate ultrafiltration membrane (2). The forward flushing mechanism (4) is used to flush the inorganic flat sheet ultrafiltration membrane (2), and the forward flushing mechanism (4) is located above the inorganic flat sheet ultrafiltration membrane (2); The backwashing mechanism (5) is used to wash the inorganic flat sheet ultrafiltration membrane (2), and the backwashing mechanism (5) is located below the inorganic flat sheet ultrafiltration membrane (2).

2. The inorganic flat-sheet ultrafiltration membrane flushing device as described in claim 1, characterized in that: The connecting mechanism (3) includes a water storage tank (35) and a reset element (36). The water storage tank (35) is rotatably connected to the inorganic flat plate ultrafiltration membrane (2). The water storage tank (35) is used to receive liquid and rotate to pour out the liquid after reaching the threshold. One end of the reset element (36) is connected to the water storage tank (35), and the other end is connected to the inorganic flat plate ultrafiltration membrane (2).

3. The inorganic flat-sheet ultrafiltration membrane flushing device as described in claim 2, characterized in that: The water storage tank (35) is deflected outwards when there is no liquid inside.

4. The inorganic flat-sheet ultrafiltration membrane flushing device as described in claim 2, characterized in that: The bottom surface of the upper connecting seat (31) is provided with an upper receiving groove (311) for accommodating the upper elastic element (32), and the upper elastic element (32) is located in the upper receiving groove (311); The bottom surface of the lower connecting seat (33) is provided with a lower receiving groove (331) for accommodating the lower elastic element (34), and the lower elastic element (34) is located in the lower receiving groove (331).

5. The inorganic flat-sheet ultrafiltration membrane flushing device as described in claim 1, characterized in that: The forward flushing mechanism (4) includes a forward water pump (41) and a forward flushing pipe (42). The output end of the forward water pump (41) and the input end of the forward flushing pipe (42) are connected. The forward water pump (41) is located outside the housing (1), and the forward flushing pipe (42) is located inside the housing (1).

6. The inorganic flat-sheet ultrafiltration membrane flushing device as described in claim 1, characterized in that: The backwashing mechanism (5) includes a backwashing pump (51) and a backwashing pipe (52). The output end of the backwashing pump (51) and the input end of the backwashing pipe (52) are connected. The backwashing pump (51) is located outside the housing (1), and the backwashing pipe (52) is located inside the housing (1).

7. The inorganic flat-sheet ultrafiltration membrane flushing device as described in claim 1, characterized in that: The inorganic flat-plate ultrafiltration membrane flushing device also includes an aeration mechanism (6), which includes an aeration disc located inside the housing (1) and below the inorganic flat-plate ultrafiltration membrane (2).

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